Hair removal instrument hand tool and hair removal instrument

Abstract

The invention relates to the technical field of depilation instruments, in particular to a depilation instrument hand tool and a depilation instrument. The hair removal instrument hand tool comprises a light source mechanism, the light source mechanism comprises a heat conduction insulating part and a light emitting assembly, the heat conduction insulating part is arranged on the side, opposite to the light emitting direction, of the light emitting assembly, a liquid passing cavity is formed in the heat conduction insulating part, and cooling liquid flows through the liquid passing cavity to dissipate heat of the light emitting assembly. The cooling liquid does not make direct contact with the light-emitting assembly for cooling, light emitted by the light-emitting assembly does not penetrate through the cooling liquid to cause energy loss, light-emitting power does not need to be increased to make up energy loss, the light-emitting requirement can be met with low power, heat production is reduced due to the fact that the light-emitting power is reduced, and the light-emitting efficiency is improved. The hair removal instrument hand tool has the advantages that heat can be dissipated in time due to reduction of generated heat, the hair removal instrument hand tool does not need to work intermittently to wait for heat dissipation and cooling, hair removal efficiency is improved, the requirement for the size of the hair removal instrument hand tool is lowered due to reduction of the light-emitting power requirement, and the hair removal instrument hand tool can be miniaturized at the household level.

Description

[Technical field]

[0001] The invention relates to the technical field of hair removal devices, in particular to a hair removal device hand tool and a hair removal device. [Background technology]

[0002] The light source of the hair removal device handpiece will release a large amount of heat when it is in operation. The existing heat dissipation methods of the hair removal device handpiece mainly include water cooling and air cooling. At present, water cooling often uses the method of coolant flowing directly through the light source to take away the heat. However, due to the certain distance between the light source and the light-transmitting part, the coolant flows directly through the light source, so that the light emitted by the light source needs to pass through the coolant before reaching the light-transmitting part. The light emitted by the light source will produce energy loss in the process of passing through the coolant, which will greatly reduce the hair removal efficiency of the hair removal device handpiece. In order to ensure the hair removal effect, a high-power light source is required to make up for the energy loss. Blindly increasing the light-emitting power will cause a large amount of heat to be generated and cannot be dissipated in time. The hair removal device handpiece can only work intermittently to wait for heat dissipation and cooling, resulting in low hair removal efficiency. The user needs to wait for heat dissipation and cooling, and the user's hair removal needs cannot be met immediately; the high-power energy requirement of the hair removal device also inevitably increases the size of the hair removal device handpiece, limiting the actual use scenario of the hair removal device handpiece to large equipment in professional institutions, and it is difficult to achieve miniaturization at the home level. [Summary of the invention]

[0003] In order to solve the above problems, the present invention provides a hair removal device hand tool and a hair removal device.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a hair removal device handpiece, the hair removal device handpiece includes a light source mechanism, the light source mechanism includes a heat-conductive insulating member and a light-emitting component, the direction in which the light-emitting component emits light from the hair removal device handpiece is defined as a light-emitting direction, the heat-conductive insulating member is arranged on the side of the light-emitting component that is away from the light-emitting direction, the heat-conductive insulating member is provided with a liquid cavity, and a coolant flows through the liquid cavity to dissipate heat for the light-emitting component.

[0005] Preferably, a light source installation position is provided on a side of the heat-conductive insulating member facing the light emitting direction, and the light-emitting component is provided at the light source installation position.

[0006] Preferably, the light source installation position is a light source groove, the light source groove is concave toward the liquid passage cavity, and the light emitting component is at least partially disposed in the light source groove.

[0007] Preferably, the light-emitting assembly comprises a reflective cup and a light-emitting member, the light-emitting member is at least partially disposed in the reflective cup, and the reflective cup is at least partially disposed in the light source groove.

[0008] Preferably, the liquid passage cavity is provided with a raised portion corresponding to the light source groove.

[0009] Preferably, the thickness range between the light source groove and the liquid passing cavity is 0.5 mm - 5 mm.

[0010] Preferably, the light emitting element, the reflecting cup, and the light source groove are sequentially and closely arranged.

[0011] Preferably, the light emitting element is a pulsed xenon lamp, the pulsed xenon lamp includes an anode, a cathode, and a trigger electrode, the anode and the cathode are arranged at both ends of the pulsed xenon lamp, and the trigger electrode is arranged between the anode and the cathode.

[0012] Preferably, the reflecting cup is the trigger electrode.

[0013] Preferably, a wire passing hole is formed in the heat conducting and insulating member, and the wire passing hole communicates with the side of the heat conducting and insulating member close to the light emitting element and the outside of the heat conducting and insulating member.

[0014] Preferably, a wiring post is arranged on the side of the reflecting cup facing the wire passing hole, and at least part of the wiring post penetrates into the wire passing hole.

[0015] Preferably, the light source mechanism further includes a light transmissive member, a refrigeration sheet, and a liquid cooling plate. The light transmissive member is arranged in the light emitting direction. The refrigeration sheet is arranged on at least one side of the light transmissive member, and the liquid cooling plate is arranged on the side of the refrigeration sheet away from the light transmissive member. An overcurrent channel is formed in the liquid cooling plate.

[0016] Preferably, the number of the refrigeration sheets and the liquid cooling plates is two groups. The two refrigeration sheets are respectively arranged on opposite sides of the light transmissive member. The coolant flows through the overcurrent channels corresponding to the two liquid cooling plates respectively or flows through the overcurrent channels corresponding to the two liquid cooling plates in sequence to dissipate heat from the liquid cooling plates.

[0017] Preferably, when the coolant flows through the overcurrent channels corresponding to the two liquid cooling plates respectively, the light source mechanism further includes a liquid inlet nozzle and a flow dividing member. The liquid inlet nozzle, the flow dividing member, and the overcurrent channel are sequentially communicated. The flow dividing member is provided with a flow dividing channel, and both ends of the flow dividing channel are communicated with the overcurrent channels corresponding to the two liquid cooling plates respectively.

[0018] Preferably, the light source mechanism further includes a light transmissive member bracket sleeved on the light transmissive member. One of the sides of the light transmissive member bracket and the flow dividing member close to each other is provided with a limiting block, and the other is provided with a corresponding limiting hole.

[0019] Preferably, one of the ports defining the corresponding relationship between the diversion channel and the flow-through channel is a docking male end, and the other is a docking female end. The docking male end and the docking female end are cooperatively connected. A receiving groove is formed on the side surface where the docking male end is located. The receiving groove is disposed outside the docking male end, and a docking seal is provided in the receiving groove.

[0020] Preferably, the coolant flows through the flow-through channel and the liquid passage cavity in sequence to dissipate heat from the light transmissive member and the light emitting assembly in sequence.

[0021] Preferably, the coolant flows through the liquid passage cavity and the flow-through channel in sequence to dissipate heat from the light emitting assembly and the light transmissive member in sequence.

[0022] Preferably, the coolant flows through the flow-through channel and the liquid passage cavity respectively to dissipate heat from the light transmissive member and the light emitting assembly respectively.

[0023] Preferably, the flow-through channel includes at least one flow-through sub-channel and / or the flow-through channel includes at least one bending portion.

[0024] Preferably, the volume of the liquid passage cavity is greater than the volume of the flow-through channel.

[0025] Preferably, a sealing cushion layer is provided between the liquid cooling plate and the thermally conductive insulating member. The sealing cushion layer is provided with cushion through holes, and the cushion through holes communicate the flow-through channel and the liquid passage cavity.

[0026] Preferably, the light source mechanism further includes a sealing sleeve, and the sealing sleeve is sleeved on the light transmissive member.

[0027] Preferably, a sleeve eaves is provided at one end of the sealing sleeve facing the light emitting direction, and the sleeve eaves extends along the direction away from the light transmissive member.

[0028] Preferably, the sealing sleeve is a silicone sealing sleeve.

[0029] Preferably, the light source mechanism further includes a light filtering member, and the light filtering member is disposed between the light emitting assembly and the light transmissive member.

[0030] Preferably, a light source cavity is defined by enclosing the inner wall of the light filtering member and the light source groove, and the light source cavity does not pass liquid.

[0031] Preferably, the light source mechanism further includes a sealing sleeve, and the sealing sleeve is sleeved on the light transmissive member. A gap is left between the light filtering member and the light transmissive member, and one end of the sealing sleeve close to the light filtering member seals the gap.

[0032] Preferably, at least one surface of the thermally conductive insulating member where the light source groove is provided includes a thermally conductive insulating surface.

[0033] Preferably, the thermally conductive insulating surface is a ceramic surface.

[0034] Preferably, the thermally conductive insulating member is provided with a liquid passing hole communicating the current-carrying channel and the liquid passing cavity. The light source mechanism further includes a liquid outlet nozzle disposed on a side of the thermally conductive insulating member away from the light source mounting position. A baffle is provided in the liquid passing cavity between the liquid outlet nozzle and the liquid passing hole, and a gap is left between the cavity surface of the liquid passing cavity close to the light source mounting position and the baffle.

[0035] Preferably, the hair removal device handpiece includes a preset first gear and / or a preset second gear and / or a preset third gear. The energy output range of the preset first gear is 5-15 J, and the flash interval is 0.1 s-0.3 s; the energy output range of the preset second gear is 15-25 J, and the flash interval is 0.3 s-0.5 s; the energy output range of the preset third gear is 25-35 J, and the flash interval is 0.5 s-1 s.

[0036] Preferably, the thermally conductive insulating member includes a first sub-member and a second sub-member, and the first sub-member and the second sub-member enclose to form the liquid passing cavity.

[0037] Preferably, the first sub-member and the second sub-member are arranged in sequence along the direction close to the light-emitting component, and at least the second sub-member of the first sub-member and the second sub-member is a ceramic bracket.

[0038] Preferably, the ceramic bracket is an alumina ceramic bracket.

[0039] Preferably, a first sealing member is provided between the first sub-member and the second sub-member.

[0040] Preferably, the light-emitting component is an LED and / or a laser.

[0041] Preferably, the light source groove includes a groove bottom and two groove walls. The two groove walls are disposed on both sides of the groove bottom. The reflecting cup includes a cup bottom and a cup wall. The cup bottom and the cup wall are respectively in corresponding fit with the groove bottom and the groove walls, and the light-emitting component is in fit with the cup bottom.

[0042] Preferably, the radial wrapping angle defining the fit between the light-emitting component and the cup bottom is α, and 120°≤α≤180°.

[0043] Preferably, the groove bottom and the cup bottom are concentric circular arcs with the axis of the light-emitting component as the center.

[0044] Preferably, the light source mechanism further includes an electrical conductor disposed on the thermally conductive insulating member, and the electrical conductor is electrically connected to the light-emitting component.

[0045] Preferably, at least part of the conductive member is attached to the thermally conductive insulating member.

[0046] Preferably, the side surface where the conductive member is attached to the thermally conductive insulating member is defined as the attachment surface, and the proportion of the area where the conductive member is attached to the thermally conductive insulating member in the area of the attachment surface is not less than 10%.

[0047] Preferably, the thermally conductive insulating member includes an extension portion provided on both sides of the liquid passage cavity. The extension portion includes an extension protrusion corresponding to the light source groove, and at least part of the conductive member is attached to the extension protrusion.

[0048] Preferably, the extension portion is provided with a slot, and at least part of the conductive member is inserted into the slot.

[0049] Preferably, the thermally conductive insulating member includes a first component and a second component. The first component and the second component are detachably connected. The slot is provided on the second component, and the first component is provided with a limiting member that abuts against the conductive member.

[0050] Preferably, the conductive member is a conductive copper sheet.

[0051] Preferably, a circuit board is provided on the side of the thermally conductive insulating member opposite to the light-emitting direction, and the circuit board is electrically connected to the light-emitting component.

[0052] Preferably, the flow rate of the coolant is 0.2 - 0.6 L / min.

[0053] To solve the above technical problems, the present invention provides another technical solution as follows: A hair removal device, which includes a heat dissipation device, a liquid pumping device, and the above-mentioned hair removal device handpiece, and the heat dissipation device, the liquid pumping device, and the hair removal device handpiece are connected in sequence.

[0054] Preferably, the heat dissipation device includes a coolant, and the coolant includes a liquid containing antifreeze.

[0055] Preferably, the liquid pumping device includes a gear pump.

[0056] Compared with the prior art, the hair removal device handpiece and the hair removal device provided by the present invention have the following beneficial effects:

[0057] 1. The hair removal device handpiece in an embodiment of the present invention includes a light source mechanism. The light source mechanism includes a heat-conducting and insulating member and a light-emitting component. The direction in which the light-emitting component emits light from the hair removal device handpiece is defined as the light-emitting direction. The heat-conducting and insulating member is arranged on the side of the light-emitting component facing away from the light-emitting direction. The heat-conducting and insulating member is provided with a liquid passage cavity, and a coolant flows through the liquid passage cavity to dissipate heat from the light-emitting component. By providing that the light source mechanism includes a heat-conducting and insulating member and a light-emitting component, the heat-conducting and insulating member is arranged on the side of the light-emitting component facing away from the light-emitting direction, the heat-conducting and insulating member is provided with a liquid passage cavity, and a coolant flows through the liquid passage cavity to dissipate heat from the light-emitting component. The light-emitting component and the liquid passage cavity are separated by the cavity wall of the liquid passage cavity. The coolant does not directly contact the light-emitting component to take away the heat of the light-emitting component, but flows through the liquid passage cavity to take away the heat conducted through the cavity wall of the liquid passage cavity by the light-emitting component. Since the coolant does not directly contact the light-emitting component for cooling, the light emitted by the light-emitting component will not have the problem of energy loss caused by passing through the coolant. Therefore, the energy conversion rate of the electrical energy input to the hair removal device handpiece into the output hair removal energy is relatively high, the hair removal device handpiece has a high energy utilization rate, there is no need to increase the light-emitting power of the light-emitting component to make up for energy loss, it can meet the light-emitting requirements with a lower power, the reduction of the light-emitting power makes the heat generated by the light-emitting component also decrease, the reduction of heat generation enables the heat to be dissipated in time, the hair removal device handpiece will not have leakage flashes, nor does it need to work intermittently to wait for heat dissipation and cooling. The hair removal device handpiece can achieve continuous hair removal without waiting, thereby improving the hair removal efficiency, and the reduction of the light-emitting power requirement makes the volume requirement of the hair removal device handpiece decrease, and the hair removal device handpiece can be miniaturized to the household level.

[0058] 2. A light source mounting position is arranged on the side of the heat-conducting and insulating member facing the light-emitting direction in an embodiment of the present invention, and the light-emitting component is arranged at the light source mounting position. By arranging a light source mounting position on the side of the heat-conducting and insulating member facing the light-emitting direction and arranging the light-emitting component at the light source mounting position, the light-emitting component realizes direct contact with the heat-conducting and insulating member, and can transfer the heat from the light-emitting component to the heat-conducting and insulating member in the form of heat conduction, improving the heat dissipation efficiency.

[0059] 3. The light source mounting position in an embodiment of the present invention is a light source groove, the light source groove is recessed into the liquid passage cavity, and at least part of the light-emitting component is arranged in the light source groove. Since the light source groove is recessed into the liquid passage cavity, it can provide a accommodating space for the light-emitting component. At least part of the light-emitting component is arranged in the light source groove, and the light source groove plays a role of accommodating, fixing and protecting the light-emitting component. Moreover, since the light source groove is recessed into the liquid passage cavity, the back surface of the light source groove forms a corresponding protrusion in the liquid passage cavity, which can also increase the heat-conducting contact area, thereby improving the heat dissipation efficiency.

[0060] 4. The light-emitting component in an embodiment of the present invention includes a reflector cup and a light-emitting element. At least part of the light-emitting element is disposed within the reflector cup, and at least part of the reflector cup is disposed within the light source groove. By providing that the light-emitting component includes a reflector cup and a light-emitting element, with at least part of the light-emitting element disposed within the reflector cup, the reflector cup can refract the light rays in the non-light-emitting direction of the light-emitting element so that they can also be emitted along the light-emitting direction, enabling the light emitted by the light-emitting element to be efficiently utilized and emitted as much as possible from the light-emitting direction, thereby improving the hair removal efficiency of the hair removal device handpiece. The positional relationship between the reflector cup and the light source groove can establish a heat conduction path for heat to conduct from the reflector cup to the light source groove.

[0061] 5. In an embodiment of the present invention, the liquid passage cavity is provided with a raised portion corresponding to the light source groove. Due to the raised shape, the raised portion can effectively increase the heat dissipation contact area between the back surface of the light source groove and the coolant within the liquid passage cavity, enabling the heat at the light source groove to be conducted to the liquid passage cavity through a larger heat dissipation contact area and improving the heat dissipation efficiency.

[0062] 6. In an embodiment of the present invention, the thickness range between the light source groove and the liquid passage cavity is 0.5 mm - 5 mm. Since the light source groove is used to accommodate the light-emitting element and the temperature change range of the light-emitting element is relatively large, the thickness range of 0.5 mm - 5 mm between the light source groove and the liquid passage cavity can both prevent the geometric shape of the light source groove from being deformed due to heat when the thickness is too thin, and avoid reducing the speed and efficiency of heat conduction from the light source groove to the liquid passage cavity when the thickness is too thick.

[0063] 7. In an embodiment of the present invention, the light-emitting element, the reflector cup, and the light source groove are sequentially and closely arranged. The sequential and close arrangement of the light-emitting element, the reflector cup, and the light source groove eliminates the air gap, and the air gap is a poor conductor of heat. Thus, the reflector cup not only plays a role in concentrating light but also can efficiently conduct the heat of the light-emitting element to the light source groove, forming a complete and efficient heat conduction path and improving the heat conduction efficiency.

[0064] 8. In an embodiment of the present invention, the light-emitting element is a pulsed xenon lamp, and the pulsed xenon lamp includes an anode, a cathode, and a trigger electrode. The anode and the cathode are disposed at both ends of the pulsed xenon lamp, and the trigger electrode is disposed between the anode and the cathode. By providing that the pulsed xenon lamp includes three electrodes, namely an anode, a cathode, and a trigger electrode, the pulsed xenon lamp can adopt an external trigger mode to achieve a better trigger effect and a longer service life.

[0065] 9. In an embodiment of the present invention, the reflector cup serves as the trigger electrode. By providing that the reflector cup serves as the trigger electrode, the reflector cup not only reflects light but also conducts electricity. There is no need to use an external trigger by winding a trigger wire around the light-emitting element, avoiding the reduction in heat conduction efficiency caused by the gap between the light-emitting element and the reflector cup due to the winding of the trigger wire around the light-emitting element, and ensuring the close fit between the reflector cup and the light-emitting element, thereby improving the heat conduction efficiency between the two.

[0066] 10. A wire through-hole is formed in the heat-conducting and insulating member in an embodiment of the present invention. The wire through-hole communicates the side of the heat-conducting and insulating member close to the light-emitting member and the outside of the heat-conducting and insulating member. When the light-emitting member uses a pulsed xenon lamp, the pulsed xenon lamp includes an anode, a cathode, and a trigger electrode. The wire electrically connected to the outside of the heat-conducting and insulating member can reach the side of the heat-conducting and insulating member close to the light-emitting member through the wire through-hole, and the trigger electrode is electrically connected to an external trigger signal source through the wire penetrating the wire through-hole.

[0067] 11. A terminal is provided on the side of the reflector cup facing the wire through-hole in an embodiment of the present invention. At least part of the terminal is disposed in the wire through-hole. By providing a terminal on the side of the reflector cup facing the wire through-hole and at least part of the terminal being disposed in the wire through-hole, it is convenient for the external circuit to be electrically connected to the reflector cup through the terminal, and the wire through-hole also protects the terminal, ensuring the stability of the electrical connection.

[0068] 12. The light source mechanism in an embodiment of the present invention further includes a light-transmitting member, a refrigeration sheet, and a liquid cooling plate. The light-transmitting member is disposed in the light-emitting direction. The refrigeration sheet is disposed on at least one side of the light-transmitting member. The liquid cooling plate is disposed on the side of the refrigeration sheet away from the light-transmitting member, and a flow-through channel is formed in the liquid cooling plate. The light-transmitting member disposed in the light-emitting direction functions to guide light, cool, and protect the skin. Through the arrangement of the light-transmitting member, the refrigeration sheet, and the liquid cooling plate, with a flow-through channel formed in the liquid cooling plate, the refrigeration sheet can efficiently absorb the heat on the light-transmitting member and conduct it to the liquid cooling plate, and the cooling liquid flowing through the flow-through channel formed in the liquid cooling plate takes away this heat. The above heat conduction path arrangement has a high heat dissipation efficiency and effectively prevents the temperature of the light-transmitting member from being too high.

[0069] 13. The number of the refrigeration sheets and the liquid cooling plates in an embodiment of the present invention is two groups. The two refrigeration sheets are respectively disposed on opposite sides of the light-transmitting member, and the cooling liquid respectively flows through the corresponding flow-through channels of the two liquid cooling plates or sequentially flows through the corresponding flow-through channels of the two liquid cooling plates to dissipate heat from the liquid cooling plates. By setting the number of the refrigeration sheets and the liquid cooling plates to two groups, with a refrigeration sheet and a liquid cooling plate disposed on each of the opposite sides of the light-transmitting member, heat can be dissipated from both sides of the light-transmitting member, improving the heat dissipation efficiency. For the cooling method of the liquid cooling plate by the cooling liquid, either the two liquid cooling plates are independent of each other, and the cooling liquid simultaneously flows into the two liquid cooling plates for cooling respectively, or the two liquid cooling plates are interconnected, and the cooling liquid flows through the two liquid cooling plates sequentially for heat dissipation.

[0070] 14. In one embodiment of the present invention, when the coolant flows through the flow channels corresponding to the two liquid cooling plates respectively, the light source mechanism further includes a liquid inlet nozzle and a diverter, the liquid inlet nozzle, the diverter and the flow channel are connected in sequence, and the diverter is provided with a diverter channel, and the two ends of the diverter channel are respectively connected with the flow channels corresponding to the two liquid cooling plates. Since the diverter is provided with a diverter channel, and the two ends of the diverter channel are respectively connected with the flow channels corresponding to the two liquid cooling plates, the coolant enters the diverter channel from the liquid inlet nozzle for diversion, and flows through the flow channels of the liquid cooling plates on both sides to take away the heat of the cooling plate. The double flow channels enable the coolant to efficiently and evenly take away the heat transferred from the light-transmitting member to the liquid cooling plate from both sides of the light-transmitting member.

[0071] 15. The light source mechanism in one embodiment of the present invention further comprises a light-transmitting member bracket, which is sleeved on the light-transmitting member, and a limiting block is provided on one of the sides where the light-transmitting member bracket and the diverter member are close to each other, and a corresponding limiting hole is provided on the other side. The light-transmitting member bracket is sleeved on the light-transmitting member to limit and protect the light-transmitting member, and the limiting blocks and limiting holes are provided on the sides where the light-transmitting member bracket and the diverter member are close to each other, respectively, so that the light-transmitting member bracket and the diverter member can be mutually engaged, and the positional relationship between the two can be limited.

[0072] 16. In one embodiment of the present invention, one of the ports defining the corresponding ports of the shunt channel and the flow passage is a docking male end, and the other is a docking female end. The docking male end and the docking female end are connected in cooperation. A receiving groove is provided on the side where the docking male end is located. The receiving groove is arranged on the outside of the docking male end. A docking seal is arranged in the receiving groove. The ports corresponding to the shunt channel and the flow passage are respectively connected in cooperation as the docking male end and the docking female end. Since a receiving groove is provided on the side where the docking male end is located. The receiving groove is arranged on the outside of the docking male end. A docking seal is arranged in the receiving groove. When the docking male end and the docking female end are connected in cooperation, the docking seal on the outside of the docking male end can play a sealing role to prevent the coolant from leaking at the connection between the shunt channel and the flow passage, thereby ensuring the integrity and sealing of the connection between the shunt channel and the flow passage.

[0073] 17. In one embodiment of the present invention, the coolant flows through the flow channel and the liquid chamber in sequence to dissipate heat for the light-transmitting component and the light-emitting component in sequence. Since the heat of the light-transmitting component is conducted from the cooling plate to the liquid cooling plate, and the heat of the light-emitting component is conducted from the wall of the liquid chamber to the liquid chamber, the heat is eventually taken away by the coolant flowing through the flow channel and the liquid chamber in sequence, so that the heat of the light-transmitting component and the light-emitting component can be dissipated in time. Since the light-transmitting component will directly trigger the hair removal device handpiece to stop to dissipate heat in order to prevent burns when the temperature is too high, which has a negative impact on the user experience, by setting the coolant to flow through the flow channel and the liquid chamber in sequence, the coolant is first cooled through the flow channel and then cooled through the liquid chamber. The cooling sequence uses the coolant that flows through the flow channel first and then through the liquid chamber, which has a lower initial cooling temperature for the light-transmitting component, can take away more heat from the light-transmitting component, improve the heat dissipation efficiency of the flow channel for cooling the light-transmitting component, and prevent the light-transmitting component from stopping due to excessive temperature. The light-transmitting component is cooled first and then the light-emitting component. The light-emitting component with a higher instantaneous temperature during operation is cooled later in the order of cooling, thereby ensuring that the temperature of the coolant is still lower than the temperature of the liquid cavity when flowing through the liquid cavity, and being able to effectively take away the heat of the liquid cavity, so that the heat dissipation of the light-transmitting component and the light-emitting component can be carried out smoothly and evenly; and the order of cooling the light-emitting component after the light-transmitting component can not only cool the light-emitting component, but also ensure that the electrode still has sufficient electron emission capacity after the temperature of the light-emitting component drops, thereby ensuring the stability of the light-emitting component. Through the above-mentioned settings, the hair removal device handpiece can work continuously, the heat can be dissipated in time, and there is no need for intermittent work for cooling, so that uninterrupted high-speed hair removal can be achieved, the user's hair removal needs are met immediately, and the user experience is significantly improved.

[0074] 18. In one embodiment of the present invention, the coolant flows through the liquid cavity and the flow channel in sequence to dissipate heat to the light-emitting component and the light-transmitting member in sequence. By setting the coolant to flow through the liquid cavity and the flow channel in sequence, the heat of the light-emitting component and the light-transmitting member can be taken away by the coolant in sequence through the liquid cavity and the flow channel.

[0075] 19. In one embodiment of the present invention, the coolant flows through the flow channel and the liquid cavity respectively to dissipate heat for the light-transmitting member and the light-emitting component respectively. By setting the coolant to flow through the flow channel and the liquid cavity respectively, the heat dissipation of the light-transmitting member and the light-emitting component does not interfere with each other, and the coolant can take away the heat of the light-transmitting member and the light-emitting component through the flow channel and the liquid cavity respectively.

[0076] 20. The overflow channel in an embodiment of the present invention includes at least one overflow sub-channel and / or the overflow channel includes at least one bending portion. By setting that the overflow channel includes at least one overflow sub-channel and / or the overflow channel includes at least one bending portion, the coolant is divided into multiple paths inside the liquid cooling plate and / or flows along an S-shaped repeatedly turning-back path, increasing the flow path length of the coolant inside the liquid cooling plate, and increasing the surface area and time of contact between the coolant and the liquid cooling plate, thereby effectively improving the heat dissipation performance.

[0077] 21. The volume of the liquid passing cavity in an embodiment of the present invention is greater than the volume of the overflow channel. The fact that the volume of the liquid passing cavity is greater than the volume of the overflow channel enables the coolant to have a longer heat exchange time and a larger heat dissipation contact area when flowing through the liquid passing cavity, improving the heat dissipation efficiency at the position where the coolant flows through the liquid passing cavity.

[0078] 22. A sealing cushion layer is provided between the liquid cooling plate and the heat-conducting insulating member in an embodiment of the present invention. The sealing cushion layer is provided with cushion through-holes, and the cushion through-holes connect the overflow channel and the liquid passing cavity. The sealing cushion layer is arranged between the liquid cooling plate and the heat-conducting insulating member, which can play a sealing role to prevent the coolant from leaking through the gap at the contact surface between the liquid cooling plate and the heat-conducting insulating member, improving the safety of the operation of the hair removal device handpiece. The cushion through-holes connect the overflow channel and the liquid passing cavity, enabling the coolant to flow smoothly from the overflow channel into the liquid passing cavity.

[0079] 23. The light source mechanism in an embodiment of the present invention further includes a sealing sleeve, and the sealing sleeve is sleeved on the light-transmitting member. By sleeving the sealing sleeve on the light-transmitting member, the sealing sleeve can play a role in keeping the light-transmitting member cold, enabling the light-transmitting member to have a better cooling effect.

[0080] 24. An eaves is provided at one end of the sealing sleeve facing the light-emitting direction, and the eaves extends along the direction away from the light-transmitting member. By providing an eaves at one end of the sealing sleeve facing the light-emitting direction and the eaves extending along the direction away from the light-transmitting member, the gap assembled between one side of the light-emitting direction of the light-transmitting member and the outer housing of the hair removal device handpiece can be sealed, preventing gels, dust, water, etc. used during hair removal from entering the hair removal device handpiece.

[0081] 25. The sealing sleeve in an embodiment of the present invention is a silica gel sealing sleeve. The silica gel sealing sleeve has excellent heat resistance, elasticity and insulation properties. It can not only withstand a relatively high temperature without deformation and damage, but also deform to fill the gap to ensure the sealing property, and at the same time can improve the safety during use.

[0082] 26. The light source mechanism in an embodiment of the present invention further includes a light filter, which is disposed between the light-emitting component and the light-transmitting component. By arranging the light filter between the light-emitting component and the light-transmitting component, the light emitted by the light-emitting component is filtered by the light filter and then emitted through the light-transmitting component, so that the output spectrum of the light emitted from the light-transmitting component meets the hair removal requirements, and the spectrum that does not meet the requirements can be filtered out to achieve the hair removal effect.

[0083] 27. The light filter and the inner wall of the light source groove in an embodiment of the present invention enclose and define a light source cavity, and the light source cavity does not pass liquid. Compared with the conventional light source water-cooling structure where the light source cavity passes liquid, the light source cavity not passing liquid can avoid the energy loss when the light emitted by the light-emitting component passes through the coolant, and at the same time, it also improves the safety of preventing electric leakage.

[0084] 28. The light source mechanism in an embodiment of the present invention further includes a sealing sleeve, which is sleeved on the light-transmitting component. There is a gap between the light filter and the light-transmitting component, and one end of the sealing sleeve close to the light filter seals the gap. By setting one end of the sealing sleeve close to the light filter to seal the gap between the light filter and the light-transmitting component, a sealed space is formed, avoiding the energy loss caused by the condensation of the gas near the light filter and the light-transmitting component when it liquefies due to cooling and stays in the gap between the light filter and the light-transmitting component, and further improving the light output effect.

[0085] 29. At least one surface of the heat-conducting and insulating component in an embodiment of the present invention that is disposed on the light source groove includes a heat-conducting and insulating surface. By making at least one surface of the heat-conducting and insulating component disposed on the light source groove include a heat-conducting and insulating surface, on the one hand, the light source groove can efficiently transfer heat to the liquid-passing cavity side by virtue of its good heat-conducting performance, and on the other hand, it can play an insulating role, improving the safety of the hair removal device handpiece.

[0086] 30. The heat-conducting and insulating surface in an embodiment of the present invention is a ceramic surface. Ceramic is a typical representative in heat-conducting and insulating materials. Due to the relatively low linear expansion coefficient of the ceramic material of the ceramic surface, when the temperature of the hair removal device handpiece changes greatly during operation and non-operation, the ceramic surface provided by the ceramic bracket can ensure dimensional stability even under a large temperature difference because of its good dimensional stability, so that the structure of the light source mechanism is stable. The ceramic material also has good insulating properties, improving the safety of using the hair removal device handpiece.

[0087] 31. In one embodiment of the present invention, the heat-conducting insulating member is provided with a liquid hole connecting the flow channel and the liquid cavity, and the light source mechanism is also provided with a liquid outlet nozzle, which is connected to the liquid cavity, and a baffle is provided between the liquid outlet nozzle and the liquid hole of the liquid cavity, and a gap is left between the cavity surface of the liquid cavity near the light source installation position and the baffle. Since the liquid outlet nozzle is connected to the liquid cavity, a baffle is provided between the liquid outlet nozzle and the liquid hole of the liquid cavity, and the baffle changes the flow direction of the coolant from the liquid hole to the liquid outlet nozzle, and a gap is left between the cavity surface of the liquid cavity near the light source installation position and the baffle, so that the coolant flows to the liquid outlet nozzle through the gap after being blocked by the baffle, so that the coolant flows as close to the cavity surface of the liquid cavity near the light source installation position as possible in the liquid cavity, which can improve the heat dissipation efficiency. The positional relationship between the baffle and the gap increases the flow path length of the coolant flowing from the liquid hole to the liquid outlet nozzle, so that the heat exchange process in the liquid cavity is more sufficient, and the heat dissipation efficiency is further improved.

[0088] 32. The hair removal device handpiece in one embodiment of the present invention includes a preset first gear and / or a preset second gear and / or a preset third gear. The preset first gear outputs energy in the range of 5-15J, and the flash interval is 0.1s-0.3s; the preset second gear outputs energy in the range of 15-25J, and the flash interval is 0.3s-0.5s; the preset third gear outputs energy in the range of 25-35J, and the flash interval is 0.5s-1s. By setting the preset first gear and / or the preset second gear and / or the preset third gear, different energy output and flash interval gears can be provided to meet the diverse hair removal needs of users. The present invention uses a coolant flow through the liquid cavity to carry away the heat conducted by the light-emitting component through the cavity wall of the liquid cavity, thereby avoiding the energy loss caused by the light passing through the coolant. It has a high energy utilization rate and is not restricted by the heat dissipation problem during continuous and rapid hair removal. Even if an output energy of 25-35J is used for lighting, the flash interval can be as low as 0.5s-1s, thereby realizing continuous and high-speed hair removal, improving hair removal efficiency, and greatly improving the user's hair removal experience.

[0089] 33. In one embodiment of the present invention, the heat-conducting insulating member includes a first sub-member and a second sub-member, and the first sub-member and the second sub-member are enclosed to form a liquid passage cavity. The liquid passage cavity is enclosed by the first sub-member and the second sub-member, so that the manufacturing process of the liquid passage cavity is simple, and the manufacturing difficulty and manufacturing cost can be reduced.

[0090] 34. In an embodiment of the present invention, the first component and the second component are arranged in sequence along the direction close to the light-emitting component. At least the second component of the first component and the second component is a ceramic bracket. Since the first component and the second component are arranged in sequence along the direction close to the light-emitting component, and the second component is arranged on the side closer to the light-emitting component, the heat of the light-emitting component needs to be conducted to the liquid passage cavity through the second component, and there is coolant passing through the liquid passage cavity. Therefore, at least the second component needs to meet the heat conduction and insulation characteristics. The ceramic bracket has high thermal conductivity, can quickly conduct and dissipate the heat of the light-emitting component, and improve the heat conduction efficiency; the ceramic bracket also has electrical insulation, which improves the safety of using the hair removal device handle.

[0091] 35. The ceramic bracket in an embodiment of the present invention is an alumina ceramic bracket. Alumina ceramic has a relatively high thermal conductivity, which enables the ceramic bracket made of alumina ceramic to effectively conduct and dissipate heat; and alumina ceramic as an insulating material can effectively isolate the circuit and prevent electric leakage.

[0092] 36. A first sealing member is arranged between the first component and the second component in an embodiment of the present invention. By arranging the first sealing member between the first component and the second component, it can fill the gap when the first component and the second component are assembled, play a sealing role, prevent the coolant from leaking out of the liquid passage cavity, and improve the use safety.

[0093] 37. The light-emitting component in an embodiment of the present invention is an LED and / or a laser. The LED as a light-emitting component has the advantages of long service life, large light-emitting area, low cost, and good stability; the laser can quickly act on a large area of skin and improve the hair removal efficiency.

[0094] 38. The light source groove in an embodiment of the present invention includes a groove bottom and two groove walls. The two groove walls are arranged on both sides of the groove bottom. The reflecting cup includes a cup bottom and a cup wall. The cup bottom and the cup wall are respectively in corresponding contact with the groove bottom and the groove walls, and the light-emitting component is in contact with the cup bottom. By arranging the light-emitting component in contact with the cup bottom and the cup bottom in contact with the groove bottom, the light-emitting component, the reflecting cup and the light source groove are in direct contact. The heat at the light-emitting component can be conducted to the groove bottom of the light source groove through the cup bottom of the reflecting cup by heat conduction, and then conducted to the cavity surface of the liquid passage cavity on the back of the light source groove, and finally taken away by the coolant flowing through the liquid passage cavity. The cup wall can reflect the light in the non-light-emitting direction emitted by the light-emitting component and convert and concentrate it into the light in the light-emitting direction; the cup wall is in corresponding contact with the groove wall, so that the heat received by the cup wall can be conducted to the groove wall, and then conducted to the cavity surface of the liquid passage cavity on the back of the groove wall, increasing the heat dissipation contact area and improving the heat dissipation efficiency.

[0095] 39. In an embodiment of the present invention, the radial wrapping angle defining the fitting of the light-emitting element to the bottom of the cup is α, where 120° ≤ α ≤ 180°. When the radial wrapping angle of the light-emitting element fitting to the bottom of the cup is too small, the contact between the light-emitting element and the reflecting cup is not sufficient enough. When the heat is conducted from the light-emitting element to the reflecting cup, the contact area is restricted, resulting in insufficient heat dissipation performance. When the radial wrapping angle of the light-emitting element fitting to the bottom of the cup is too large, the cup wall will cause blocking interference in the light-emitting direction of the light-emitting element, affecting the normal light emission of the light emitted by the light-emitting element and reducing the light energy utilization efficiency. By setting the value range of the radial wrapping angle to be not greater than 180° and not less than 120°, a balance can be achieved between the heat dissipation efficiency and the light energy utilization efficiency. It can not only ensure that there is enough contact area between the light-emitting element and the reflecting cup for heat conduction, but also not block the normal light emission of the light emitted by the light-emitting element.

[0096] 40. In an embodiment of the present invention, the bottom of the groove and the bottom of the cup are concentric circular arcs with the axis of the light-emitting element as the center of the circle. By setting the shapes of the bottom of the groove and the bottom of the cup to be circular arcs, and the centers of the corresponding circular arcs of the bottom of the groove and the bottom of the cup coincide with the axis of the light-emitting element, forming concentric circular arcs, the shapes of the bottom of the groove and the bottom of the cup can be matched, and they can fit tightly on the whole surface. The inner surface of the bottom of the cup completely fits the light-emitting element, and the tightly fitting contact surface excludes the air gap. Air is a poor conductor of heat, so the heat conduction efficiency from the light-emitting element to the bottom of the groove via the bottom of the cup can be improved, thus conducting heat evenly and efficiently.

[0097] 41. In an embodiment of the present invention, the light source mechanism further includes a conductive member, which is arranged on the thermally conductive insulating member and is electrically connected to the light-emitting element. By setting the conductive member to be electrically connected to the light-emitting element and arranging the conductive member on the thermally conductive insulating member, a new heat conduction path is added. The conductive member not only has electrical conductivity but also has good thermal conductivity. The heat of the light-emitting element can be conducted to the conductive member connected to it. Since the conductive member is arranged on the thermally conductive insulating member, the heat can be further conducted to the thermally conductive insulating member, thus establishing a heat conduction path from the light-emitting element via the conductive member to the thermally conductive insulating member. The conductive member not only plays the role of electrical conduction to electrically connect the light-emitting element, but also plays the role of heat conduction, adding a new heat conduction path. The establishment of this heat conduction path makes the way of conducting the heat generated by the light-emitting element to the thermally conductive insulating member more diversified, and can conduct heat more evenly and comprehensively, avoiding the structural defect of uneven heat dissipation capacity at the light-emitting element due to the overly single heat dissipation path, and can further improve the heat dissipation efficiency to a higher level.

[0098] 42. In one embodiment of the present invention, the conductive member is at least partially attached to the thermally conductive insulating member. Since the conductive member is at least partially attached to the thermally conductive insulating member, the contact relationship between the conductive member and the thermally conductive insulating member is ensured. Whether the conductive member is partially attached to the thermally conductive insulating member or the conductive member is entirely attached to the thermally conductive insulating member, heat can be conducted from the conductive member to the thermally conductive insulating member.

[0099] 43. In one embodiment of the present invention, the side surface where the conductive member is attached to the thermally conductive insulating member is defined as the attachment surface, and the proportion of the area where the conductive member is attached to the thermally conductive insulating member in the area of the attachment surface is not less than 10%. By setting the proportion of the area where the conductive member is attached to the thermally conductive insulating member in the area of the attachment surface to be not less than 10%, it is ensured that there is sufficient attachment area for conducting the heat of the conductive member to the thermally conductive insulating member for heat dissipation, preventing the attachment area from becoming a limiting factor for heat dissipation efficiency.

[0100] 44. In one embodiment of the present invention, the thermally conductive insulating member includes an extension portion, the extension portion is provided on both sides of the liquid passage cavity, the extension portion includes an extension convex portion corresponding to the light source groove, and the conductive member is at least partially attached to the extension convex portion. By providing that the thermally conductive insulating member includes an extension portion, the extension portion is provided on both sides of the liquid passage cavity, the extension portion includes an extension convex portion corresponding to the light source groove, and the convex shape of the extension convex portion corresponds to the depression of the light source groove, a structural space is provided for accommodating the light source groove in the extension portion. The convex shape of the extension convex portion has a larger heat dissipation contact area, which is beneficial to heat conduction; the conductive member being at least partially attached to the extension convex portion enables the heat of the light emitting member to be conducted to the extension convex portion via the conductive member, and then to be taken away by the coolant flowing through the liquid passage cavity via the thermally conductive insulating member, further improving the heat dissipation efficiency.

[0101] 45. In one embodiment of the present invention, the extension portion is provided with a slot, and the conductive member is at least partially inserted into the slot. By providing a slot in the extension portion and the conductive member being at least partially inserted into the slot, the slot can fix the conductive member, preventing the conductive member from loosening due to external force and causing poor contact, and enabling the connection relationship between the conductive member and the light emitting member to be more firm.

[0102] 46. In one embodiment of the present invention, the thermally conductive insulating member includes a first component and a second component, the first component and the second component are detachably connected, the slot is provided on the second component, and the first component is provided with a limiting member that abuts against the conductive member. By providing that the thermally conductive insulating member includes a first component and a second component, and the first component and the second component are detachably connected, the first component and the second component can be disassembled and separated for facilitating the assembly of the conductive member. Since the slot is provided on the second component, when the conductive member cooperates with the slot, the first component is connected to the second component, and the limiting member abutting against the conductive member enables the limiting member to fixedly constrain the positional relationship of the conductive member, keeping the connection relationship between the conductive member and the light emitting member stable and avoiding the problem of poor contact caused by loosening.

[0103] 47. In an embodiment of the present invention, the conductive member is a conductive copper sheet. The copper material of the conductive copper sheet not only has good electrical conductivity, reduces heat generation with a low resistivity, improves the power usage efficiency, and fully realizes the electrical connection between the light-emitting member and the external circuit, but also has excellent thermal conductivity, and can quickly conduct the heat at the end of the light-emitting member connected thereto to the thermally conductive insulating member for cooling.

[0104] 48. In an embodiment of the present invention, a circuit board is provided on the side of the thermally conductive insulating member opposite to the light-emitting direction, and the circuit board is electrically connected to the light-emitting assembly. By providing the circuit board on the side of the thermally conductive insulating member opposite to the light-emitting direction, the circuit board does not affect the normal light emission of the hair removal device handpiece. The circuit board is electrically connected to the light-emitting assembly, enabling the circuit board to control the working state of the light-emitting assembly.

[0105] 49. In an embodiment of the present invention, the flow rate of the coolant is 0.2 - 0.6 L / min. By setting the flow rate range of the coolant at 0.2 - 0.6 L / min, the coolant has a sufficient circulation speed, improves the heat exchange efficiency, and timely takes away the heat of the hair removal device handpiece.

[0106] 50. A hair removal device in an embodiment of the present invention includes a heat dissipation device, a liquid pumping device, and the above-mentioned hair removal device handpiece, and the heat dissipation device, the liquid pumping device, and the hair removal device handpiece are connected in sequence. The heat dissipation device, the liquid pumping device, and the hair removal device handpiece are connected in sequence to form a circulating heat exchange path. When the hair removal device handpiece performs hair removal operations, the liquid pumping device pumps the coolant into the hair removal device handpiece for heat dissipation in a cyclic manner, and then dissipates heat through the heat dissipation device for cooling use.

[0107] 51. The heat dissipation device in an embodiment of the present invention includes a coolant, and the coolant includes a liquid containing antifreeze. Since the hair removal device may face a low-temperature environment during the conversion between different sites, the coolant including a liquid containing antifreeze can prevent the coolant from solidifying and stopping flowing in a low-temperature environment, and avoid damage to the cooling pipeline of the hair removal device caused by the volume increase due to solidification.

[0108] 52. The liquid pumping device in an embodiment of the present invention includes a gear pump. The gear pump has a relatively long lift, can provide strong power for the cooling circulation of the coolant; the characteristic of the gear pump with water and electricity separation also increases the safety of use.

Description of the Drawings

[0109] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0110] Figure 1 Schematic diagram of the three-dimensional structure of the hair removal device handpiece provided by the first embodiment of the present invention Figure 1 .

[0111] Figure 2 Schematic diagram of the cross-sectional structure of the hair removal device handpiece provided by the first embodiment of the present invention Figure 1 .

[0112] Figure 3 Schematic diagram of the exploded structure of the hair removal device handpiece provided by the first embodiment of the present invention Figure 1 .

[0113] Figure 4 Is Figure 2 An enlarged view of the structure of part A in

[0114] Figure 5 Schematic diagram of the three-dimensional structure of the cooperation between the pulsed xenon lamp and the reflector cup of the hair removal device handpiece provided by the first embodiment of the present invention

[0115] Figure 6 Schematic diagram of the cross-sectional structure of the hair removal device handpiece provided by the first embodiment of the present invention Figure 2 .

[0116] Figure 7 Schematic diagram of the cross-sectional structure of the hair removal device handpiece provided by the first embodiment of the present invention Figure 3 .

[0117] Figure 8 Schematic diagram of the three-dimensional structure of some components of the hair removal device handpiece provided by the first embodiment of the present invention

[0118] Figure 9 Schematic diagram of the cross-sectional structure of the flow splitter and the liquid cooling plate of the hair removal device handpiece provided by the first embodiment of the present invention

[0119] Figure 10 Schematic diagram of the exploded structure of the flow splitter and the liquid cooling plate of the hair removal device handpiece provided by the first embodiment of the present invention

[0120] Figure 11 Schematic diagram of the cross-sectional structure of the liquid cooling plate of the hair removal device handpiece provided by the first embodiment of the present invention

[0121] Figure 12 Schematic diagram of the cross-sectional structure of the hair removal device handpiece provided by the first embodiment of the present invention Figure 4 .

[0122] Figure 13 Schematic diagram of the cross-sectional structure of the hair removal device handpiece provided by the first embodiment of the present invention Figure 5 .

[0123] Figure 14It is a schematic cross-sectional structure diagram of the cooperation between the reflecting cup and the light-emitting component of the hair removal device handpiece provided by the first embodiment of the present invention.

[0124] Figure 15 Is Figure 3 An enlarged view of the structure of part B in

[0125] Figure 16 It is a schematic three-dimensional structure diagram of the cooperation between the heat-conducting and insulating component, the conductive component and the light-emitting component of the hair removal device handpiece provided by the first embodiment of the present invention.

[0126] Figure 17 It is a partial cross-sectional structure schematic diagram of the hair removal device handpiece provided by the first embodiment of the present invention Figure 1 .

[0127] Figure 18 It is a partial cross-sectional structure schematic diagram of the hair removal device handpiece provided by the first embodiment of the present invention Figure 2 .

[0128] Figure 19 It is a schematic three-dimensional structure diagram of the hair removal device handpiece provided by the first embodiment of the present invention Figure 2 .

[0129] Figure 20 It is an exploded structure schematic diagram of the hair removal device handpiece provided by the first embodiment of the present invention Figure 2 .

[0130] Figure 21 It is a schematic three-dimensional structure diagram of the hair removal device provided by the second embodiment of the present invention.

[0131] Figure 22 It is a schematic cross-sectional structure diagram of the water drain of the hair removal device provided by the second embodiment of the present invention.

[0132] Figure 23 It is a schematic cross-sectional structure diagram of the hair removal device provided by the second embodiment of the present invention.

[0133] Figure 24 Is Figure 23 An enlarged view of the structure of part C in

[0134] Figure 25 It is a partial schematic three-dimensional structure diagram of the hair removal device provided by the second embodiment of the present invention.

[0135] Explanation of the reference numerals in the drawings:

[0136] 1. Hair removal device handpiece; 100. Hair removal device;

[0137] 10. Light source mechanism; 11. Heat-conducting and insulating part; 12. Light-emitting part; 13. Light-transmitting part; 14. Refrigeration sheet; 15. Liquid cooling plate; 16. Flow-dividing part; 17. Sealing cushion layer; 18. Conductive part; 20. Heat dissipation device; 21. Water drain; 22. Liquid return pipe; 23. Fan; 30. Liquid pumping device; 31. Liquid supply pipe; 32. Pump; 40. Light-emitting component; 60. Epilator base; 70. Handpiece housing; 71. Circuit board;

[0138] 110. Light source installation position; 111. First sub-component; 112. Second sub-component; 113. Liquid passing cavity; 114. Light source groove; 115. Light source cavity; 116. Extension part; 117. Wire passing hole; 121. Pulse xenon lamp; 122. Reflector cup; 131. Light-filtering part; 132. Sealing sleeve; 133. Light-transmitting part bracket; 151. Current-carrying channel; 161. Flow-dividing channel; 162. Liquid inlet nozzle; 163. Limiting hole; 164. Accommodating groove; 165. Docking seal; 171. Pad through-hole; 181. Fitting surface; 211. Fin assembly; 212. Cooling pipe;

[0139] 1111. Limiting part; 1112. Liquid outlet nozzle; 1121. Liquid passing hole; 1122. First seal; 1131. Baffle; 1132. Bulge; 1141. Groove bottom; 1142. Groove wall; 1161. Extension convex part; 1162. Slot; 1211. Anode; 1212. Cathode; 1213. Trigger electrode; 1220. Terminal; 1222. Cup bottom; 1223. Cup wall; 1321. Sleeve eaves; 1331. Limiting block; 1511. Bending part; 1512. Docking female end; 1513. Current-carrying sub-channel; 1611. Docking male end.

Detailed implementation manners

[0140] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific implementation examples described herein are only used to explain the present invention and are not used to limit the present invention.

[0141] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0142] In the present invention, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit that the indicated device, element or component must have a specific orientation, or be constructed and operated in a specific orientation.

[0143] Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present invention can be understood according to the specific circumstances.

[0144] In addition, the terms "mount", "set", "provided with", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0145] Please refer to Figures 1 to 4 , the first embodiment of the present invention provides a hair removal device handpiece 1. The hair removal device handpiece 1 includes a light source mechanism 10. The light source mechanism 10 includes a heat-conducting and insulating member 11 and a light-emitting component 40. The direction in which the light-emitting component 40 emits light from the hair removal device handpiece 1 is defined as the light-emitting direction. The heat-conducting and insulating member 11 is disposed on the side of the light-emitting component 40 opposite to the light-emitting direction. The heat-conducting and insulating member 11 is provided with a liquid passage cavity 113, and a coolant flows through the liquid passage cavity 113 to dissipate heat from the light-emitting component 40.

[0146] Understandably, by setting the light source mechanism 10 to include a heat-conducting insulating member 11 and a light-emitting component 40, the heat-conducting insulating member 11 is disposed on the side of the light-emitting component 40 facing away from the light-emitting direction. The heat-conducting insulating member 11 is provided with a liquid passage cavity 113, and a coolant flows through the liquid passage cavity 113 to dissipate heat from the light-emitting component 40. The light-emitting component 40 and the liquid passage cavity 113 are separated by the cavity wall of the liquid passage cavity 113. The coolant does not directly contact the light-emitting component 40 to take away the heat of the light-emitting component 40, but flows through the liquid passage cavity 113 to take away the heat conducted by the light-emitting component 40 through the cavity wall of the liquid passage cavity 113. Since the coolant does not directly contact the light-emitting component 40 for cooling, the light emitted by the light-emitting component 40 will not have the problem of energy loss caused by passing through the coolant. Therefore, the energy conversion rate of the input electric energy of the hair removal device handpiece 1 into the output hair removal energy is relatively high, the hair removal device handpiece 1 has a high energy utilization rate, and there is no need to increase the light-emitting power of the light-emitting component 40 to make up for the energy loss. It can meet the light-emitting requirements with a lower power. The reduction of the light-emitting power makes the heat generated by the light-emitting component 40 also decrease accordingly. The reduction of heat generation enables the heat to be dissipated in time. The hair removal device handpiece 1 will not have leakage flashes, nor does it need to work intermittently to wait for heat dissipation and cooling. The hair removal device handpiece 1 can achieve continuous high-speed hair removal without waiting, thereby improving the hair removal efficiency. And the reduction of the light-emitting power requirement reduces the volume requirement of the hair removal device handpiece 1, and the hair removal device handpiece 1 can be miniaturized to the household level.

[0147] It should be noted that the definition of the heat-conducting and insulating member 11 means that at least part of the structure between the side of the heat-conducting and insulating member 11 close to the light-emitting component 40 and the cavity surface of the liquid passage cavity 113 close to the light-emitting component 40 has heat-conducting characteristics and insulating characteristics. Thus, based on the heat-conducting characteristics, the heat of the light-emitting component 40 can be conducted from the side of the heat-conducting and insulating member 11 close to the light-emitting component 40 to the cavity surface of the liquid passage cavity 113 close to the light-emitting component 40, and the coolant flowing through the liquid passage cavity 113 can take away the heat. At the same time, based on the insulating characteristics, an open circuit is formed between the light-emitting component 40 and the liquid passage cavity 113 to prevent conduction between the light-emitting component 40 and the liquid passage cavity 113. Optionally, as a specific implementation manner, the heat-conducting and insulating member 11 may have heat-conducting and insulating characteristics as a whole. As a variation, the heat-conducting and insulating member 11 may also have part of the structure with heat-conducting and insulating characteristics between the side of the heat-conducting and insulating member 11 close to the light-emitting component 40 and the cavity surface of the liquid passage cavity 113 close to the light-emitting component 40, conduct the heat of the light-emitting component 40 from the side of the heat-conducting and insulating member 11 close to the light-emitting component 40 to the cavity surface of the liquid passage cavity 113 close to the light-emitting component 40, and at the same time form an open circuit between the light-emitting component 40 and the liquid passage cavity 113 to prevent the light-emitting component 40 from leaking electricity to the liquid passage cavity 113. As another variation, the heat-conducting and insulating member 11 may also have part of the structure with heat-conducting characteristics between the side of the heat-conducting and insulating member 11 close to the light-emitting component 40 and the cavity surface of the liquid passage cavity 113 close to the light-emitting component 40, which can conduct the heat of the light-emitting component 40 from the side of the heat-conducting and insulating member 11 close to the light-emitting component 40 to the cavity surface of the liquid passage cavity 113 close to the light-emitting component 40. In addition, there is part of the structure with insulating characteristics between the side of the heat-conducting and insulating member 11 close to the light-emitting component 40 and the cavity surface of the liquid passage cavity 113 close to the light-emitting component 40, forming an open circuit between the light-emitting component 40 and the liquid passage cavity 113 to prevent the light-emitting component 40 from leaking electricity to the liquid passage cavity 113.

[0148] It should be noted that in the prior art, since the coolant directly flows through the light source for heat dissipation, the light emitted by the light source will pass through the coolant, resulting in energy loss. Therefore, in order to reduce energy loss, only transparent and colorless pure water can be used as the coolant, and antifreeze cannot be added. Otherwise, the antifreeze will further increase the energy loss because of its color. The lack of antifreeze in the coolant may cause the coolant to freeze and damage the internal pipeline due to extremely cold environments during equipment transportation and storage, damaging the equipment. In the technical solution of the present invention, the coolant does not directly contact the light-emitting component 40 for cooling, but flows through the liquid passage cavity 113 to take away the heat conducted by the light-emitting component 40 through the cavity wall of the liquid passage cavity 113. Therefore, the light emitted by the light-emitting component 40 will not have the problem of energy loss caused by passing through the coolant. Antifreeze can be added to the coolant at will, effectively preventing the coolant from freezing and stopping flowing in a low-temperature environment, and avoiding damage to the cooling pipeline caused by the freezing and volume expansion.

[0149] It should be noted that, because the coolant in the technical solution of the present invention does not directly contact the light emitting component 40 for cooling, the light emitted by the light emitting component 40 will not pass through the coolant and cause energy loss. The energy efficiency ratio of the hair removal device handpiece 1 is 5 to 6 times that of the existing technical solution that uses the coolant to directly flow through the light source to dissipate heat. When the hair removal device handpiece 1 of the present invention uses a flash capacitor with a capacitance of 3500μF / 360V, the actual charging voltage is 320V, and the residual voltage after discharge is 70V. Based on the capacitor energy storage formula The flash capacitor releases 170.625J of energy, and the measured hair removal energy output by the hair removal device handpiece 1 is 35J, and the energy efficiency ratio of the hair removal device is 20.5%. In contrast, the existing technical solution in which the coolant directly flows through the light source for heat dissipation uses a flash capacitor with a capacitance of 36000μF / 450V, which is actually charged to 420V and has a residual voltage of 70V after discharge. Based on the capacitor energy storage formula The flash capacitor releases 3087J of energy, and the maximum energy indicated in the specification is 120J, corresponding to an energy efficiency ratio of 3.887%. Therefore, the energy efficiency ratio of the hair removal device handpiece 1 of the present invention is 5 to 6 times the energy efficiency ratio of the technical solution that uses coolant to directly flow through the light source to dissipate heat. The huge improvement in energy efficiency ratio enables the hair removal device handpiece 1 to meet the lighting requirements with lower power. The power reduction reduces the heat generated by the light-emitting component 40, and the reduced heat generation allows the heat to be dissipated in time. The hair removal device handpiece 1 can achieve continuous high-speed hair removal, and the heat dissipation power is sufficient to take away the heat generated by continuous high-speed flashes. There is no need for intermittent work to wait for heat dissipation and cooling, which greatly improves the hair removal efficiency. The huge improvement in energy efficiency ratio also further reduces the requirements for light-emitting power and heat dissipation, thereby reducing manufacturing costs, reducing the size of the equipment, and achieving miniaturization at the household level.

[0150] It should be noted that the heat dissipation power of the semiconductor refrigeration chip used to take away the heat conducted by the light-emitting component 40 through the heat-conducting insulating member 11 cannot be compared with the heat dissipation power corresponding to the heat conducted by the light-emitting component 40 through the cavity wall of the liquid cavity 113 by the cooling liquid flow through the liquid cavity 113 of the present invention, and it is far from meeting the heat dissipation demand of the hair removal device handpiece 1 for continuous operation and uninterrupted hair removal. The heat dissipation power of the semiconductor refrigeration chip is only a few watts. In the face of such a weak heat dissipation capacity, a large amount of heat generated by continuous flashes will be retained in the device in large quantities, thereby causing flash leakage, and it is necessary to stop working and cool down before it can be used, and continuous and uninterrupted high-speed hair removal cannot be achieved. If you insist on using inefficient semiconductor refrigeration chips to dissipate heat, only by increasing the size of the semiconductor refrigeration chip to increase the heat dissipation power, the size of the hair removal device handpiece 1 will inevitably increase, making the hair removal device bulky and bloated, and unable to achieve home-level miniaturization.

[0151] Optionally, the coolant is a coolant with a high specific heat capacity such as water or an aqueous solution of ethylene glycol, an oil-based coolant, or an electronic fluorinated liquid.

[0152] Please refer to Figures 2 to 4 , further, a light source mounting position 110 is provided on one side of the heat-conducting and insulating member 11 facing the light-emitting direction, and the light-emitting assembly 40 is disposed at the light source mounting position 110.

[0153] It can be understood that by providing the light source mounting position 110 on one side of the heat-conducting and insulating member 11 facing the light-emitting direction and disposing the light-emitting assembly 40 at the light source mounting position 110, the light-emitting assembly 40 is in direct contact with the heat-conducting and insulating member 11, and heat can be transferred from the light-emitting assembly 40 to the heat-conducting and insulating member 11 in the form of heat conduction, improving the heat dissipation efficiency.

[0154] Please refer to Figures 2 to 4 , further, the light source mounting position 110 is a light source groove 114, the light source groove 114 is recessed into the liquid passage cavity 113, and at least a part of the light-emitting assembly 40 is disposed in the light source groove 114.

[0155] It can be understood that since the light source groove 114 is recessed into the liquid passage cavity 113, a receiving space can be provided for the light-emitting assembly 40. At least a part of the light-emitting assembly 40 is disposed in the light source groove 114, and the light source groove 114 plays a role in accommodating, fixing, and protecting the light-emitting assembly 40. Moreover, since the light source groove 114 is recessed into the liquid passage cavity 113, the corresponding protrusion formed by the back surface of the light source groove 114 in the liquid passage cavity 113 can also increase the heat conduction contact area, thereby improving the heat dissipation efficiency.

[0156] Optionally, at least a part of the light-emitting assembly 40 is disposed in the light source groove 114. It can be either that the entire light-emitting assembly 40 is disposed in the light source groove 114 or that a part of it is exposed outside the light source groove 114 for easy electrical connection.

[0157] Please continue to refer to Figures 2 to 4 , further, the light-emitting assembly 40 includes a reflecting cup 122 and a light-emitting element 12. At least a part of the light-emitting element 12 is disposed in the reflecting cup 122, and at least a part of the reflecting cup 122 is disposed in the light source groove 114.

[0158] It can be understood that by disposing at least a part of the light-emitting element 12 in the reflecting cup 122 and at least a part of the reflecting cup 122 in the light source groove 114, the reflecting cup 122 can refract the light rays of the light-emitting element 12 in the non-light-emitting direction so that they can also be emitted along the light-emitting direction, enabling the light emitted by the light-emitting element 12 to be efficiently utilized and emitted as much as possible from the light-emitting direction, thereby improving the hair removal efficiency of the hair removal device handpiece 1. At least a part of the reflecting cup 122 being disposed in the light source groove 114 can establish a heat conduction path for heat to be conducted from the reflecting cup 122 to the light source groove 114.

[0159] Optionally, the light-emitting component 12 is at least partially disposed within the reflector cup 122. It can be that the entire light-emitting component 12 is disposed within the reflector cup 122, or it can be that both ends of the light-emitting component 12 extend outside the reflector cup 122, facilitating electrical connection to an external circuit.

[0160] Optionally, the reflector cup 122 is at least partially disposed within the light source groove 114. It can be that the entire reflector cup 122 is disposed within the light source groove 114, or it can be that the reflector cup 122 partially extends into the heat-conducting insulating member 11, facilitating electrical connection to an external circuit.

[0161] Please continue to refer to Figures 2 to 4 , Further, a raised portion 1132 corresponding to the light source groove 114 is provided in the liquid passage cavity 113.

[0162] It can be understood that due to the raised shape, the raised portion 1132 can effectively increase the heat dissipation contact area between the back surface of the light source groove 114 and the coolant within the liquid passage cavity 113, enabling the heat of the light-emitting assembly 40 to be conducted to the liquid passage cavity 113 over a larger area, thereby improving the heat dissipation efficiency.

[0163] Please continue to refer to Figures 2 to 4 , Further, the thickness range between the light source groove 114 and the liquid passage cavity 113 is 0.5 mm - 5 mm.

[0164] It can be understood that since the light source groove 114 is used to accommodate the light-emitting component 12 and the temperature change range of the light-emitting component 12 is relatively large, a thickness range of 0.5 mm - 5 mm between the light source groove 114 and the liquid passage cavity 113 can prevent the geometric shape of the light source groove 114 from deforming due to heat when the thickness is too thin, and can also avoid reducing the speed and efficiency of heat conduction from the light source groove 114 to the liquid passage cavity 113 when the thickness is too thick.

[0165] Specifically, as a preferred embodiment, the thickness between the light source groove 114 and the liquid passage cavity 113 is 2 mm.

[0166] Please continue to refer to Figures 2 to 4 , Further, the light-emitting component 12, the reflector cup 122, and the light source groove 114 are sequentially and conformally disposed.

[0167] When the light-emitting component 12, the reflector cup 122, and the light source groove 114 are sequentially and conformally disposed, air gaps are eliminated. Since air gaps are poor conductors of heat, the reflector cup 122 not only serves to concentrate light but can also efficiently conduct the heat of the light-emitting component 12 to the light source groove 114, forming a complete and efficient heat conduction path and improving the heat conduction efficiency.

[0168] Please refer to Figure 3 and Figure 5, Further, the light-emitting component 12 is a pulsed xenon lamp 121. The pulsed xenon lamp 121 includes an anode 1211, a cathode 1212, and a trigger electrode 1213. The anode 1211 and the cathode 1212 are disposed at both ends of the pulsed xenon lamp 121, and the trigger electrode 1213 is disposed between the anode 1211 and the cathode 1212.

[0169] It should be noted that for the selection of the trigger electrode 1213 of the pulsed xenon lamp 121, a wire can be wound as the trigger electrode 1213, or the function of the trigger electrode 1213 can be achieved by relying on the reflector 122 to be attached to the pulsed xenon lamp 121. It can be understood that by providing that the pulsed xenon lamp 121 includes three electrodes, namely an anode 1211, a cathode 1212, and a trigger electrode 1213, the pulsed xenon lamp 121 can adopt an external trigger method, achieving a better trigger effect and a longer service life.

[0170] Optionally, the pulsed xenon lamp 121 can be arranged as a single lamp tube or a double lamp tube.

[0171] Please refer to Figure 2 , Figure 4 and Figure 5 , Further, the reflector 122 serves as the trigger electrode 1213.

[0172] It can be understood that by providing the reflector 122 as the trigger electrode 1213, the reflector 122 not only reflects light but also conducts electricity. There is no need to use a trigger wire wound outside the light-emitting component 12 for external triggering, avoiding a decrease in the heat conduction efficiency due to a gap between the light-emitting component 12 and the reflector 122 caused by winding the trigger wire outside the light-emitting component 12, and ensuring that the reflector 122 and the light-emitting component 12 are closely attached, thereby improving the heat conduction efficiency between the two.

[0173] Please refer to Figure 6 , Further, a wire passing hole 117 is formed in the heat-conducting and insulating member 11, and the wire passing hole 117 communicates with the side of the heat-conducting and insulating member 11 close to the light-emitting component 12 and the outside of the heat-conducting and insulating member 11.

[0174] It can be understood that when the light-emitting component 12 adopts a pulsed xenon lamp 121, which includes an anode 1211, a cathode 1212, and a trigger electrode 1213, a wire electrically connected to the outside of the heat-conducting and insulating member 11 can reach the side of the heat-conducting and insulating member 11 close to the light-emitting component 12 through the wire passing hole 117, and the trigger electrode 1213 is electrically connected to an external trigger signal source through a wire passing through the wire passing hole 117.

[0175] Please continue to refer to Figure 6 , Further, a terminal 1220 is provided on the side of the reflector 122 facing the wire passing hole 117, and at least a part of the terminal 1220 is inserted into the wire passing hole 117.

[0176] Understandably, by providing a terminal 1220 on the side of the reflector cup 122 facing the wire passing hole 117, and the terminal 1220 is at least partially inserted into the wire passing hole 117, it is convenient for an external circuit to be electrically connected to the reflector cup 122 through the terminal 1220. The wire passing hole 117 also protects the terminal 1220 and ensures the stability of the electrical connection.

[0177] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 7 , further, the light source mechanism 10 further includes a light transmissive member 13, a Peltier cooler 14 and a liquid cooling plate 15. The light transmissive member 13 is arranged in the light emitting direction. The Peltier cooler 14 is arranged on at least one side of the light transmissive member 13. The liquid cooling plate 15 is arranged on the side of the Peltier cooler 14 away from the light transmissive member 13. An overcurrent channel 151 is defined in the liquid cooling plate 15.

[0178] Understandably, the light transmissive member 13 arranged in the light emitting direction serves to conduct light, cool, and protect the skin. By arranging the light transmissive member 13 in the light emitting direction, the Peltier cooler 14 is arranged on at least one side of the light transmissive member 13, the liquid cooling plate 15 is arranged on the side of the Peltier cooler 14 away from the light transmissive member 13, and the overcurrent channel 151 is defined in the liquid cooling plate 15, the Peltier cooler 14 can efficiently absorb the heat on the light transmissive member 13 and conduct it to the liquid cooling plate 15. The coolant flows through the overcurrent channel 151 defined in the liquid cooling plate 15 to carry away this heat. The above heat conduction path has a high heat dissipation efficiency, fully takes away the heat of the light transmissive member 13, and effectively prevents the temperature of the light transmissive member 13 from being too high.

[0179] Optionally, the material of the light transmissive member 13 is any one of sapphire crystal, quartz glass, and glass.

[0180] Please refer to Figure 2 , Figure 3 and Figure 7 , further, the number of the Peltier coolers 14 and the liquid cooling plates 15 is two groups. The two Peltier coolers 14 are respectively arranged on the opposite sides of the light transmissive member 13. The coolant flows through the corresponding overcurrent channels 151 of the two liquid cooling plates 15 respectively or flows through the corresponding overcurrent channels 151 of the two liquid cooling plates 15 in sequence to dissipate heat from the liquid cooling plates 15.

[0181] Understandably, by providing the number of the Peltier coolers 14 and the liquid cooling plates 15 as two groups, and a Peltier cooler 14 and a liquid cooling plate 15 are arranged on each of the opposite sides of the light transmissive member 13, heat can be dissipated from both sides of the light transmissive member 13, improving the heat dissipation efficiency. For the cooling method of the liquid cooling plates 15 by the coolant, the two liquid cooling plates 15 can be independent of each other, and the coolant flows into the two liquid cooling plates 15 simultaneously for cooling, or the two liquid cooling plates 15 can be interconnected, and the coolant flows through the two liquid cooling plates 15 in sequence for heat dissipation. There is no limitation here.

[0182] Please continue to combine with Figure 2 、 Figure 3 and Figure 7 Furthermore, when the coolant flows through the flow channels 151 corresponding to the two liquid cooling plates 15 respectively, the light source mechanism 10 further includes a liquid inlet nozzle 162 and a flow dividing member 16. The liquid inlet nozzle 162, the flow dividing member 16 and the flow channels 151 are connected in sequence. The flow dividing member 16 is provided with a flow dividing channel 161, and both ends of the flow dividing channel 161 are respectively connected to the flow channels 151 corresponding to the two liquid cooling plates 15.

[0183] It can be understood that since the flow dividing member 16 is provided with the flow dividing channel 161 and both ends of the flow dividing channel 161 are respectively connected to the flow channels 151 corresponding to the two liquid cooling plates 15, the coolant enters the flow dividing channel 161 from the liquid inlet nozzle 162 for flow division, and flows through the flow channels 151 of the two liquid cooling plates 15 on both sides to take away the heat of the cooling sheet 14. The double flow channels 151 enable the coolant to efficiently and uniformly take away the heat transferred from the light transmitting member 13 to the liquid cooling plate 15 from both sides of the light transmitting member 13.

[0184] Please combine with Figure 3 and Figure 8 Furthermore, the light source mechanism 10 further includes a light transmitting member support 133. The light transmitting member support 133 is sleeved on the light transmitting member 13. One of the mutually adjacent sides of the light transmitting member support 133 and the flow dividing member 16 is provided with a limiting block 1331, and the other is provided with a corresponding limiting hole 163.

[0185] It can be understood that the light transmitting member support 133 sleeved on the light transmitting member 13 plays a role in limiting and protecting the light transmitting member 13. The limiting block 1331 and the limiting hole 163 are respectively provided on the mutually adjacent sides of the light transmitting member support 133 and the flow dividing member 16, which can enable the light transmitting member support 133 and the flow dividing member 16 to be clamped with each other and play a role in defining their positional relationship.

[0186] It should be noted that the limiting block 1331 and the limiting hole 163 can be arranged such that the light transmitting member support 133 is provided with the limiting block 1331 and the flow dividing member 16 is provided with the corresponding limiting hole 163; or the light transmitting member support 133 is provided with the limiting hole 163 and the flow dividing member 16 is provided with the corresponding limiting block 1331.

[0187] Please combine with Figure 3 、 Figure 9 and Figure 10 Furthermore, one of the ports corresponding to the flow dividing channel 161 and the flow channel 151 is defined as a docking male end 1611, and the other is defined as a docking female end 1512. The docking male end 1611 and the docking female end 1512 are cooperatively connected. A receiving groove 164 is formed on the side surface where the docking male end 1611 is located. The receiving groove 164 is arranged outside the docking male end 1611, and a docking seal 165 is arranged in the receiving groove 164.

[0188] Understandably, the ports of the shunt channel 161 corresponding to the overcurrent channel 151 are respectively used as the male docking end 1611 and the female docking end 1512 for mating connection. Since a receiving groove 164 is formed on the side where the male docking end 1611 is located, the receiving groove 164 is arranged outside the male docking end 1611, and a docking seal 165 is arranged in the receiving groove 164. When the male docking end 1611 and the female docking end 1512 are mated and connected, the docking seal 165 outside the male docking end 1611 can prevent the coolant from leaking at the connection between the shunt channel 161 and the overcurrent channel 151, ensuring the integrity and tightness of the connection between the shunt channel 161 and the overcurrent channel 151.

[0189] It should be noted that the settings of the male docking end 1611 and the female docking end 1512 can be such that the port of the shunt channel 161 is the male docking end 1611 and the corresponding port of the overcurrent channel 151 is the female docking end 1512; or the port of the shunt channel 161 is the female docking end 1512 and the corresponding port of the overcurrent channel 151 is the male docking end 1611.

[0190] Specifically, as a preferred embodiment, both the male docking end 1611 and the female docking end 1512 are annular, and the diameter of the male docking end 1611 is less than or equal to the diameter of the female docking end.

[0191] Please refer to Figure 2 and Figure 7 , and further, the coolant flows through the overcurrent channel 151 and the liquid passing cavity 113 in sequence to dissipate heat from the light transmissive member 13 and the light emitting assembly 40 in sequence.

[0192] Understandably, since the heat of the light-transmitting member 13 is conducted by the Peltier cooler 14 to the liquid-cooling plate 15, and the heat of the light-emitting assembly 40 is conducted by the cavity wall of the liquid passage cavity 113 to the liquid passage cavity 113, these heats are finally carried away by the coolant flowing through the flow channel 151 and the liquid passage cavity 113 in sequence, so that the heats of the light-transmitting member 13 and the light-emitting assembly 40 can be dissipated in time. Since the light-transmitting member 13 will directly trigger the hair removal instrument handle 1 to stop for heat dissipation in order to prevent scalding when the temperature is too high, which has a negative impact on the user experience. By arranging the coolant to flow through the flow channel 151 and the liquid passage cavity 113 in sequence, the coolant first passes through the flow channel 151 for cooling and then passes through the liquid passage cavity 113 for cooling. The cooling sequence of the coolant flowing through the flow channel 151 first and then the liquid passage cavity 113 has a lower initial cooling temperature for the light-transmitting member 13, can carry away more heat on the light-transmitting member 13, improves the heat dissipation efficiency of the flow channel 151 for cooling the light-transmitting member 13, and prevents the hair removal instrument handle 1 from stopping due to the too high temperature of the light-transmitting member 13. Cooling the light-transmitting member 13 first and then the light-emitting assembly 40 places the cooling sequence of the light-emitting assembly 40 with a relatively high instantaneous temperature during operation behind, so as to ensure that the coolant temperature is still lower than the temperature of the liquid passage cavity 113 when flowing through the liquid passage cavity 113, can effectively carry away the heat of the liquid passage cavity 113, and enables the heat dissipation of the light-transmitting member 13 and the light-emitting assembly 40 to be carried out smoothly and evenly; and the cooling sequence of the light-emitting assembly 40 after the light-transmitting member 13 can not only cool the light-emitting assembly 40, but also ensure that the electrode still has sufficient electron-emitting ability after the temperature of the light-emitting assembly 40 drops, ensuring the stability of the operation of the light-emitting assembly 40. Through the above settings, the hair removal instrument handle 1 can continuously work, the heat can be dissipated in time, there is no need to work intermittently for cooling, continuous high-speed hair removal can be achieved, the hair removal needs of users are immediately met, and the user experience is significantly improved.

[0193] Please combine Figure 2 and Figure 12 , further, the coolant flows through the liquid passage cavity 113 and the flow channel 151 in sequence to dissipate heat from the light-emitting assembly 40 and the light-transmitting member 13 in sequence.

[0194] Understandably, by arranging the coolant to flow through the liquid passage cavity 113 and the flow channel 151 in sequence, the heats of the light-emitting assembly 40 and the light-transmitting member 13 can be carried away by the coolant through the liquid passage cavity 113 and the flow channel 151 in sequence.

[0195] Please combine Figure 2 and Figure 13 , further, the coolant flows through the flow channel 151 and the liquid passage cavity 113 respectively to dissipate heat from the light-transmitting member 13 and the light-emitting assembly 40 respectively.

[0196] Understandably, by setting the coolant to flow through the flow-through channel 151 and the liquid passage cavity 113 respectively, the heat dissipation of the light-transmitting member 13 and the light-emitting component 40 does not interfere with each other. The coolant can take away the heat of the light-transmitting member 13 and the light-emitting component 40 via the flow-through channel 151 and the liquid passage cavity 113 respectively.

[0197] Please refer to Figure 7 and Figure 11 , furthermore, the flow-through channel 151 includes at least one flow-through sub-channel 1513 and / or the flow-through channel 151 includes at least one bending portion 1511.

[0198] Understandably, by setting the flow-through channel 151 to include at least one flow-through sub-channel 1513 and / or the flow-through channel 151 to include at least one bending portion 1511, each time the original straight flow direction of the flow-through channel 151 changes, a bending portion 1511 is formed, so that the coolant is divided into multiple paths and / or flows along an S-shaped repeatedly folded-back path within the liquid cooling plate 15, increasing the flow path length of the coolant within the liquid cooling plate 15, increasing the surface area and time of contact between the coolant and the liquid cooling plate 15, and enabling the coolant to fully exchange heat with the liquid cooling plate 15 within the flow-through channel 151, thereby effectively improving the heat dissipation performance.

[0199] Please refer to Figure 7 , furthermore, the volume of the liquid passage cavity 113 is larger than the volume of the flow-through channel 151.

[0200] Understandably, the fact that the volume of the liquid passage cavity 113 is larger than the volume of the flow-through channel 151 enables the coolant to have a longer heat exchange time and a larger heat dissipation contact area when flowing through the liquid passage cavity 113, improving the heat dissipation efficiency at the location where the coolant flows through the liquid passage cavity 113.

[0201] Please refer to Figure 2 , Figure 3 and Figure 8 , furthermore, a sealing cushion layer 17 is provided between the liquid cooling plate 15 and the heat-conducting and insulating member 11, and the sealing cushion layer 17 is provided with a cushion through-hole 171, and the cushion through-hole 171 communicates the flow-through channel 151 and the liquid passage cavity 113.

[0202] Understandably, the sealing cushion layer 17 is provided between the liquid cooling plate 15 and the heat-conducting and insulating member 11, which can play a sealing role to prevent the coolant from leaking through the gap at the contact surface between the liquid cooling plate 15 and the heat-conducting and insulating member 11, improving the safety of the operation of the hair removal device handpiece 1. The cushion through-hole 171 communicates the flow-through channel 151 and the liquid passage cavity 113, enabling the coolant to flow smoothly from the flow-through channel 151 into the liquid passage cavity 113.

[0203] Please refer to Figure 2 and Figure 3, Further, the light source mechanism 10 further includes a sealing sleeve 132, and the sealing sleeve 132 is sleeved on the light transmissive member 13.

[0204] It can be understood that by sleeving the sealing sleeve 132 on the light transmissive member 13, the sealing sleeve 132 can play a role in keeping the light transmissive member 13 cold, so that the light transmissive member 13 can have a better cooling effect.

[0205] Please continue to refer to Figure 2 and Figure 3 , Further, a sleeve eaves 1321 is provided at one end of the sealing sleeve 132 facing the light emitting direction, and the sleeve eaves 1321 extends along the direction away from the light transmissive member 13.

[0206] It can be understood that by providing a sleeve eaves 1321 at one end of the sealing sleeve 132 facing the light emitting direction and the sleeve eaves 1321 extending along the direction away from the light transmissive member 13, the gap between the light transmissive member 13 on the light emitting direction side and the outer housing of the hair removal device handpiece 1 can be sealed, preventing gel, dust, water, etc. used during hair removal from entering the hair removal device handpiece 1.

[0207] Further, the sealing sleeve 132 is a silicone sealing sleeve.

[0208] It can be understood that the silicone sealing sleeve has excellent heat resistance, elasticity and insulation. It can not only withstand a relatively high temperature without deformation or damage, but also deform to fill the gap to ensure tightness. At the same time, it can also improve the safety during use.

[0209] Please refer to Figures 2 to 4 , Further, the light source mechanism 10 further includes a light filtering member 131, and the light filtering member 131 is disposed between the light emitting assembly 40 and the light transmissive member 13.

[0210] It can be understood that by disposing the light filtering member 131 between the light emitting assembly 40 and the light transmissive member 13, the light emitted by the light emitting assembly 40 is filtered by the light filtering member 131 and then emitted through the light transmissive member 13, so that the output spectrum of the light emitted from the light transmissive member 13 meets the hair removal requirements, and the spectrum that does not meet the requirements can be filtered out to achieve the hair removal effect.

[0211] Please continue to refer to Figures 2 to 4 , Further, the light filtering member 131 and the inner wall of the light source groove 114 enclose and define a light source cavity 115, and no liquid passes through the light source cavity 115.

[0212] It can be understood that compared with the conventional light source water cooling structure where no liquid passes through the light source cavity 115, it can avoid the energy loss when the light emitted by the light emitting assembly 40 passes through the coolant, and at the same time can also prevent electric leakage and improve the safety during use.

[0213] Please continue to refer to Figures 2 to 4Furthermore, the light source mechanism 10 also includes a sealing sleeve 132, which is sleeved on the light-transmitting member 13, leaving a gap between the filter 131 and the light-transmitting member 13, and the sealing sleeve 132 seals the gap at one end close to the filter 131.

[0214] It can be understood that by arranging the sealing sleeve 132 near one end of the filter 131 to seal the gap between the filter 131 and the light-transmitting element 13, a sealed space is formed, which avoids the problem that the gas near the filter 131 and the light-transmitting element 13 is cooled and liquefied and retained in the gap between the filter 131 and the light-transmitting element 13, resulting in the light emitted by the light-emitting element 12 suffering energy loss due to condensed liquid when passing through the gap, which can further improve the light-emitting effect; at the same time, it can also avoid the accumulation of condensed water and the outflow of conduction to cause safety accidents.

[0215] Please continue to combine Figures 2 to 4 Furthermore, at least one side of the heat-conducting insulating member 11 where the light source groove 114 is disposed includes a heat-conducting insulating surface.

[0216] It can be understood that by making at least one side of the heat-conducting insulating member 11 where the light source slot 114 is provided include a heat-conducting insulating surface, the light source slot 114 can, on the one hand, utilize good thermal conductivity to efficiently transfer heat to the side of the liquid chamber 113, and on the other hand, can play an insulating role, thereby improving the safety of the hair removal device handpiece 1.

[0217] Further, as a preferred embodiment, the thermally conductive insulating surface is a ceramic surface.

[0218] Understandably, ceramic is a typical representative of thermally conductive insulating materials. The ceramic surface has a low linear expansion coefficient. When the hair removal device handpiece 1 is working and not working, the temperature changes greatly. The ceramic surface set by the ceramic bracket can ensure the dimensional stability under a large temperature difference because of its good dimensional stability, thereby making the structure of the light source mechanism 10 stable. The ceramic material also has good insulation properties, which improves the safety of the hair removal device handpiece 1.

[0219] Please combine Figure 2 , Figure 3 and Figure 7 Furthermore, the heat-conducting insulating member 11 is provided with a liquid passage hole 1121 connecting the flow channel 151 and the liquid passage cavity 113. The light source mechanism 10 is also provided with a liquid outlet nozzle 1112, which is connected to the liquid passage cavity 113. The liquid passage cavity 113 is provided with a baffle 1131 between the liquid outlet nozzle 1112 and the liquid passage hole 1121. A gap is left between the cavity surface of the liquid passage cavity 113 close to the light source mounting position 110 and the baffle 1131.

[0220] Understandably, since the liquid outlet nozzle 1112 communicates with the liquid passing cavity 113, a baffle 1131 is provided in the liquid passing cavity 113 between the liquid outlet nozzle 1112 and the liquid passing hole 1121. The baffle 1131 changes the flow direction of the coolant that originally flowed straight from the liquid passing hole 1121 to the liquid outlet nozzle 1112. There is a gap between the cavity surface of the liquid passing cavity 113 close to the light source mounting position 110 and the baffle 1131, enabling the coolant to flow as closely as possible along the cavity surface of the liquid passing cavity 113 close to the light source mounting position 110, which can improve the heat dissipation efficiency. The positional relationship between the baffle 1131 and the gap increases the flow path length of the coolant flowing from the liquid passing hole 1121 to the liquid outlet nozzle 1112, making the heat exchange process in the liquid passing cavity 113 more sufficient and further improving the heat dissipation efficiency.

[0221] Please refer to Figure 1 , further, the hair removal device handpiece 1 includes a preset first gear and / or a preset second gear and / or a preset third gear. The range of the output energy of the preset first gear is 5 - 15 J, and the flash interval is 0.1 s - 0.3 s; the range of the output energy of the preset second gear is 15 - 25 J, and the flash interval is 0.3 s - 0.5 s; the range of the output energy of the preset third gear is 25 - 35 J, and the flash interval is 0.5 s - 1 s.

[0222] Understandably, by setting the preset first gear and / or the preset second gear and / or the preset third gear, different energy output and flash interval gears can be provided to meet the diverse hair removal needs of users. In the present invention, the coolant flows through the liquid passing cavity 113 to take away the heat conducted through the cavity wall of the liquid passing cavity 113 by the light emitting component 40, avoiding the energy loss caused by light passing through the coolant. It has a high energy utilization rate and is not restricted by the heat dissipation problem during continuous high-speed hair removal. The heat generated by continuous high-speed flashing can be dissipated in time, and a small flash interval can be maintained. Even when using the gear with an output energy of 25 - 35 J for lighting, the flash interval can be as low as 0.5 s - 1 s, achieving continuous high-speed hair removal and improving the hair removal efficiency, greatly enhancing the user's hair removal experience.

[0223] Specifically, as a preferred implementation manner, the MCU provided on the main PCBA controls the opening and closing time of the IGBT to determine the flash interval duration.

[0224] Please combine Figure 2 and Figure 3 , further, the heat conducting and insulating member 11 includes a first sub-member 111 and a second sub-member 112, and the first sub-member 111 and the second sub-member 112 enclose to form the liquid passing cavity 113.

[0225] Understandably, the liquid passage cavity 113 is formed by enclosing the first component 111 and the second component 112, so that the manufacturing and forming process of the liquid passage cavity 113 is simple, and the manufacturing difficulty and cost can be reduced.

[0226] Optionally, the first component 111 and the second component 112 can be enclosed and arranged in a direction parallel to the light output direction, or can be enclosed and arranged in a direction perpendicular to the light output direction, which is not limited herein.

[0227] Please continue to combine Figure 2 and Figure 3 , furthermore, the first component 111 and the second component 112 are arranged in sequence along the direction close to the light-emitting component 40, and at least the second component 112 of the first component 111 and the second component 112 is a ceramic bracket.

[0228] Understandably, since the first component 111 and the second component 112 are arranged in sequence along the direction close to the light-emitting component 40, and the second component 112 is arranged on the side closer to the light-emitting component 40, the heat of the light-emitting component 40 needs to be conducted to the liquid passage cavity 113 through the second component 112, and there is coolant passing through the liquid passage cavity 113. Therefore, at least the second component 112 needs to meet the heat conduction and insulation characteristics. The ceramic bracket has high thermal conductivity and can quickly conduct and dissipate the heat of the light-emitting component 40 to improve the heat conduction efficiency; the ceramic bracket also has electrical insulation, which improves the safety of using the hair removal device handpiece 1.

[0229] Optionally, both the first component 111 and the second component 112 can be made of ceramic material, that is, the whole heat conduction and insulation component is made of ceramic material; or the second component can be made of ceramic material, and the first component 111 does not have to be made of ceramic material, and the first component 111 can be made of high-temperature and hydrolysis-resistant material.

[0230] Furthermore, the ceramic bracket is an alumina ceramic bracket.

[0231] Understandably, alumina ceramic has a relatively high thermal conductivity coefficient, which enables the ceramic bracket made of alumina ceramic to effectively conduct and dissipate heat; and alumina ceramic can effectively isolate the circuit as an insulating material to prevent electric leakage.

[0232] Please refer to Figure 2 , furthermore, a first seal 1122 is arranged between the first component 111 and the second component 112.

[0233] Understandably, by arranging the first seal 1122 between the first component 111 and the second component 112, the gap can be filled during the assembly of the first component 111 and the second component 112, playing a sealing role to prevent the coolant from leaking out of the liquid passage cavity 113 and improving the use safety.

[0234] Please combineFigure 2 and Figure 3 Further, the light-emitting member 12 is an LED and / or a laser.

[0235] Understandably, as the light-emitting member 12, the LED has the advantages of long service life, large light-emitting area, low cost, and good stability; the laser can quickly act on a large area of skin to improve the hair removal efficiency.

[0236] Please refer to Figures 2 to 4 Further, the light source groove 114 includes a groove bottom 1141 and two groove walls 1142. The two groove walls 1142 are arranged on both sides of the groove bottom 1141. The reflecting cup 122 includes a cup bottom 1222 and a cup wall 1223. The cup bottom 1222 and the cup wall 1223 are respectively in corresponding contact with the groove bottom 1141 and the groove walls 1142, and the light-emitting member 12 is in contact with the cup bottom 1222.

[0237] Understandably, by arranging the light-emitting member 12 in contact with the cup bottom 1222 and the cup bottom 1222 in contact with the groove bottom 1141, the light-emitting member 12, the reflecting cup 122, and the light source groove 114 are in direct contact. The heat at the light-emitting member 12 can be conducted through the cup bottom 1222 of the reflecting cup 122 to the groove bottom 1141 of the light source groove 114 by heat conduction, and then conducted to the cavity surface of the liquid passing cavity 113 on the back of the light source groove 114, and finally taken away by the coolant flowing through the liquid passing cavity 113. The cup wall 1223 can reflect the light in the non-light-emitting direction emitted by the light-emitting member 12 and convert and concentrate it into the light in the light-emitting direction; the cup wall 1223 is in corresponding contact with the groove wall 1142, so that the heat received by the cup wall 1223 can be conducted to the groove wall 1142, and then conducted to the cavity surface of the liquid passing cavity 113 on the back of the groove wall 1142, increasing the heat dissipation contact area and improving the heat dissipation efficiency.

[0238] Please refer to Figure 2 、 Figure 4 and Figure 14 Further, the radial wrapping angle defining the contact between the light-emitting member 12 and the cup bottom 1222 is α, and 120° ≤ α ≤ 180°.

[0239] Understandably, when the radial wrapping angle at which the light-emitting element 12 fits against the bottom of the cup 1222 is too small, the contact between the light-emitting element 12 and the reflecting cup 122 is insufficient. When heat is conducted from the light-emitting element 12 to the reflecting cup 122, the contact area is restricted, resulting in insufficient heat dissipation performance. When the radial wrapping angle at which the light-emitting element 12 fits against the bottom of the cup 1222 is too large, the cup wall 1223 will cause blocking interference in the light-emitting direction of the light-emitting element 12, affecting the normal light emission of the light emitted by the light-emitting element 12 and reducing the light energy utilization efficiency. By setting the value range of the radial wrapping angle to be not greater than 180° and not less than 120°, a balance can be achieved between the heat dissipation efficiency and the light energy utilization efficiency. This can not only ensure that there is sufficient contact area between the light-emitting element 12 and the reflecting cup 122 for heat conduction but also prevent blocking interference with the normal light emission of the light emitted by the light-emitting element 12.

[0240] It should be noted that since the light-emitting element 12 fits against the bottom of the cup 1222 and there is a gap with the cup wall 1223, in the radial cross-section, the two ends where the bottom of the cup 1222 contacts the cup wall 1223 become the critical points for whether the light-emitting element 12 is wrapped by the reflecting cup 122. These two ends are defined as end A and end B respectively, and the center point of the light-emitting element 12 is point O. Taking point O as the vertex of the radial wrapping angle and the connecting lines of OA and OB as the two sides of the radial wrapping angle, a radial wrapping angle α is formed, where 120° ≤ α ≤ 180°.

[0241] Specifically, as a preferred implementation, both the bottom of the cup 1222 and the cup wall 1223 are arc-shaped, and the curvature of the bottom of the cup 1222 is greater than that of the cup wall 1223. By setting both the bottom of the cup 1222 and the cup wall 1223 to be arc-shaped, and since the bottom of the cup 1222 fits against the light-emitting element 12, with the distance between the two ends where the bottom of the cup 1222 contacts the cup wall 1223 determined, the arc-shaped bottom of the cup 1222 can increase the heat dissipation contact area. And the greater curvature of the bottom of the cup 1222 than that of the cup wall 1223 causes the cup wall 1223 to expand outward compared to the bottom of the cup 1222, avoiding blocking interference in the light-emitting direction of the light-emitting element 12 and preventing obstruction to the normal light emission of the light emitted by the light-emitting element 12.

[0242] Please combine Figure 4 and Figure 14 , further, the bottom of the groove 1141 and the bottom of the cup 1222 are concentric arc-shaped, with the center of the concentric arc-shaped being the axis of the light-emitting element 12.

[0243] Understandably, by setting the shapes of the bottom of the groove 1141 and the bottom of the cup 1222 to be arc-shaped, and the centers of the corresponding arc shapes of the bottom of the groove 1141 and the bottom of the cup 1222 to coincide with the axis of the light-emitting member 12, forming concentric arc shapes, it is possible to make the shapes of the bottom of the groove 1141 and the bottom of the cup 1222 match, and they fit tightly and seamlessly over the entire surface. The inner surface of the bottom of the cup 1222 completely fits the light-emitting member 12, and the closely fitting contact surface excludes air gaps. Air is a poor conductor of heat. Therefore, the heat conduction efficiency from the light-emitting member 12 to the bottom of the groove 1141 via the bottom of the cup 1222 can be improved, thereby conducting heat evenly and efficiently.

[0244] Please refer to Figure 1 , Figure 3 , Figures 15 - 18 , further, the light source mechanism 10 further includes a conductive member 18. The conductive member 18 is disposed on the thermally conductive insulating member 11, and the conductive member 18 is electrically connected to the light-emitting member 12.

[0245] Understandably, by setting the conductive member 18 to be electrically connected to the light-emitting member 12 and disposing the conductive member 18 on the thermally conductive insulating member 11, a new heat conduction path is added. The conductive member 18 not only has electrical conductivity but also has good thermal conductivity. The heat of the light-emitting member 12 can be conducted to the conductive member 18 connected thereto. Since the conductive member 18 is disposed on the thermally conductive insulating member 11, the heat can be further conducted to the thermally conductive insulating member 11, thereby establishing a heat conduction path from the light-emitting member 12 via the conductive member 18 to the thermally conductive insulating member 11. The conductive member 18 not only plays an electrical connection role to electrically connect the light-emitting member 12 but also plays a role in heat conduction, adding a new heat conduction path. The establishment of this heat conduction path makes the way of conducting the heat generated by the light-emitting member 12 to the thermally conductive insulating member 11 more diversified, and can conduct heat more evenly and comprehensively, avoiding the structural defect of uneven heat dissipation capacity at the light-emitting member 12 due to too single a heat dissipation path, and can further improve the heat dissipation efficiency to a higher level.

[0246] Please refer to Figure 17 and Figure 18 , further, at least a part of the conductive member 18 is in contact with the thermally conductive insulating member 11.

[0247] Understandably, since at least a part of the conductive member 18 is in contact with the thermally conductive insulating member 11, the contact relationship between the conductive member 18 and the thermally conductive insulating member 11 is ensured. Whether a part of the conductive member 18 is in contact with the thermally conductive insulating member 11 or the entire conductive member 18 is in contact with the thermally conductive insulating member 11, the heat conduction process from the conductive member 18 to the thermally conductive insulating member 11 can be realized.

[0248] It should be noted that at least a part of the conductive member 18 being in contact with the thermally conductive insulating member 11 includes that the conductive member 18 is in contact with the thermally conductive insulating member 11 in a completely contacting or partially contacting manner.Figure 17 It shows that the conductive member 18 is attached to the thermally conductive insulating member 11 in a partial attachment manner; Figure 18 It shows that the conductive member 18 is attached to the thermally conductive insulating member 11 in a full attachment manner. No matter which attachment method is adopted, as long as the contact between the conductive member 18 and the thermally conductive insulating member 11 is achieved, the heat of the light-emitting member 12 can be conducted to the thermally conductive insulating member 11 through the conductive member 18.

[0249] Please combine Figure 3 and Figure 15 , and further, define the side surface where the conductive member 18 is attached to the thermally conductive insulating member 11 as the attachment surface 181, and the proportion of the area where the conductive member 18 is attached to the thermally conductive insulating member 11 in the area of the attachment surface 181 is not less than 10%.

[0250] It can be understood that by setting the proportion of the area where the conductive member 18 is attached to the thermally conductive insulating member 11 in the area of the attachment surface 181 to be not less than 10%, it is ensured that there is enough attachment area for conducting the heat of the conductive member 18 to the thermally conductive insulating member 11 for heat dissipation, preventing the attachment area from becoming a limiting factor for heat dissipation efficiency.

[0251] Please combine Figure 3 , Figure 15 and Figure 16 , and further, the thermally conductive insulating member 11 includes an extension portion 116, the extension portion 116 is arranged on both sides of the liquid passage cavity 113, the extension portion 116 includes an extension convex portion 1161 corresponding to the light source groove 114, and the conductive member 18 is at least partially attached to the extension convex portion 1161.

[0252] It can be understood that by setting the thermally conductive insulating member 11 to include the extension portion 116, the extension portion 116 is arranged on both sides of the liquid passage cavity 113, the extension portion 116 includes the extension convex portion 1161 corresponding to the light source groove 114, the convex shape of the extension convex portion 1161 corresponds to the depression of the light source groove 114, which provides a structural space for accommodating the light source groove 114 at the extension portion 116. The convex shape of the extension convex portion 1161 has a larger heat dissipation contact area, which is beneficial to heat conduction; the conductive member 18 being at least partially attached to the extension convex portion 1161 enables the heat of the light-emitting member 12 to be conducted to the extension convex portion 1161 through the conductive member 18, and then conducted to the liquid passage cavity 113 in the thermally conductive insulating member 11, and finally taken away by the coolant flowing through the liquid passage cavity 113, further improving the heat dissipation efficiency.

[0253] Please continue to combine Figure 3 , Figure 15 and Figure 16 , and further, the extension portion 116 is provided with a slot 1162, and the conductive member 18 is at least partially inserted into the slot 1162.

[0254] Understandably, by providing the slot 1162 in the epitaxial portion 116, the conductive member 18 is at least partially inserted into the slot 1162, such that the slot 1162 can fix the conductive member 18, preventing the conductive member 18 from loosening due to external force and causing poor contact, enabling the connection between the conductive member 18 and the light-emitting member 12 to be more firm, and ensuring a stable and reliable conductive and heat-conductive path between the conductive member 18 and the light-emitting member 12.

[0255] Please continue to combine Figure 3 、 Figure 15 and Figure 16 , further, the heat-conductive and insulating member 11 includes a first sub-member 111 and a second sub-member 112, the first sub-member 111 and the second sub-member 112 are detachably connected, the slot 1162 is provided on the second sub-member 112, and the first sub-member 111 is provided with a limiting member 1111, and the limiting member 1111 abuts against the conductive member 18.

[0256] Understandably, by providing the heat-conductive and insulating member 11 including the first sub-member 111 and the second sub-member 112, and the first sub-member 111 and the second sub-member 112 being detachably connected, it is possible to disassemble and separate the first sub-member 111 and the second sub-member 112 for facilitating the assembly of the conductive member 18. Since the slot 1162 is provided on the second sub-member 112, when the conductive member 18 cooperates with the slot 1162, the first sub-member 111 is connected to the second sub-member 112, and the limiting member 1111 abuts against the conductive member 18, so that the limiting member 1111 can fixedly constrain the positional relationship of the conductive member 18, keeping the connection between the conductive member 18 and the light-emitting member 12 stable and avoiding the problem of poor contact due to loosening.

[0257] Please combine Figure 3 and Figure 16 , further, the conductive member 18 is a conductive copper sheet.

[0258] Understandably, the copper material of the conductive copper sheet not only has good electrical conductivity, reduces heat generation with a low resistivity and improves the power usage efficiency, fully realizing the electrical connection between the light-emitting member 12 and the external circuit, but also, with its excellent heat-conductive performance, can quickly conduct the heat at the end of the light-emitting member 12 connected thereto to the heat-conductive and insulating member 11 for cooling.

[0259] Please combine Figure 19 、 Figure 20 and Figure 24 , further, a circuit board 71 is provided on the side of the heat-conductive and insulating member 11 opposite to the light-emitting direction, and the circuit board 71 is electrically connected to the light-emitting assembly 40.

[0260] Understandably, by arranging the circuit board 71 on the side opposite to the light-emitting direction of the heat-conducting insulating member 11, the circuit board 71 will not affect the normal light emission of the hair removal device handpiece 1. The circuit board 71 is electrically connected to the light-emitting component 40, enabling the circuit board 71 to control the working state of the light-emitting component 40.

[0261] Optionally, the hair removal device handpiece 1 is provided with a handpiece housing 70. The circuit board 71 and the light source mechanism 10 are both arranged inside the handpiece housing 70, and the handpiece housing 70 plays a role in accommodating and protecting the circuit board 71 and the light source mechanism 10.

[0262] Please refer to Figure 2 and Figure 7 , and further, the flow rate of the coolant is 0.2 - 0.6 L / min.

[0263] Understandably, setting the flow rate range of the coolant at 0.2 - 0.6 L / min enables the coolant to have sufficient circulation speed, improves the heat exchange efficiency, and timely takes away the heat of the hair removal device handpiece 1.

[0264] Preferably, as a specific embodiment, the flow rate of the coolant is 0.4 - 0.45 L / min.

[0265] Please refer to Figures 21 to 25 , the second embodiment of the present invention provides a hair removal device 100, which includes a heat dissipation device 20, a liquid pumping device 30, and a hair removal device handpiece 1. The heat dissipation device 20, the liquid pumping device 30, and the hair removal device handpiece 1 are connected in sequence.

[0266] Preferably, as a specific embodiment, the heat dissipation device 20 includes a water radiator 21, a liquid return pipe 22, and a fan 23. The liquid pumping device 30 includes a liquid delivery pipe 31 and a pump 32; the liquid return pipe 22, the water radiator 21, the pump 32, and the liquid delivery pipe 31 are connected in sequence. The liquid delivery pipe 31 and the liquid return pipe 22 are respectively connected to the liquid inlet nozzle 162 and the liquid outlet nozzle 1112; the water radiator 21 includes a fin assembly 211 and a cooling pipe 212 disposed inside the fin assembly 211. The fan 23 disposed on one side of the fin assembly 211 can blow air or suck air to dissipate heat from the fin assembly 211. When the hair removal device 100 operates, the liquid pumping device 30 pumps the coolant into the liquid inlet nozzle 162 through the liquid delivery pipe 31. The coolant flows through the flow channel 151 and the liquid passing cavity 113 to dissipate heat from the light-transmitting member 13 and the light-emitting component 40 in sequence. At this time, the coolant absorbs heat, and then flows through the liquid return pipe 22 to the cooling pipe 212 of the water radiator 21. The heat of the coolant is transferred to the fin assembly 211 through the cooling pipe 212. The fan 23 blows air or sucks air to dissipate heat from the fin assembly 211 to dissipate the heat. At this time, the heat of the coolant is dissipated, and is pumped into the liquid inlet nozzle 162 again by the pump 32 to circulate repeatedly.

[0267] Optionally, the hair removal device 100 further includes a hair removal device base 60. The heat dissipation device 20 and the liquid pumping device 30 are disposed within the hair removal device base 60, and the hair removal device base 60 serves to accommodate and protect the heat dissipation device 20 and the liquid pumping device 30.

[0268] Please continue to refer to Figures 21 to 25 , furthermore, the heat dissipation device 20 includes a coolant, and the coolant includes a liquid containing antifreeze.

[0269] It can be understood that since the hair removal device 100 may face a low-temperature environment during the conversion process in different venues, the coolant including a liquid containing antifreeze can prevent the coolant from solidifying and stopping flowing in a low-temperature environment, avoiding damage to the cooling pipeline of the hair removal device 100 caused by the increase in volume due to solidification.

[0270] Please continue to refer to Figures 21 to 25 , furthermore, the liquid pumping device 30 includes a gear pump.

[0271] It can be understood that the pump 32 in the liquid pumping device 30 is a gear pump. The gear pump has a relatively long lift and can provide strong power for the cooling circulation of the coolant; the characteristic of the gear pump with water and electricity separation also increases the safety of use.

[0272] Compared with the prior art, the hair removal device handpiece and the hair removal device provided by the present invention have the following beneficial effects:

[0273] 1. The handpiece of a hair removal device in an embodiment of the present invention includes a light source mechanism. The light source mechanism includes a heat-conducting and insulating member and a light-emitting component. The direction in which the light-emitting component emits light from the handpiece of the hair removal device is defined as the light-emitting direction. The heat-conducting and insulating member is arranged on the side of the light-emitting component facing away from the light-emitting direction. The heat-conducting and insulating member is provided with a liquid passage cavity, and a coolant flows through the liquid passage cavity to dissipate heat from the light-emitting component. By providing that the light source mechanism includes a heat-conducting and insulating member and a light-emitting component, the heat-conducting and insulating member is arranged on the side of the light-emitting component facing away from the light-emitting direction, the heat-conducting and insulating member is provided with a liquid passage cavity, and a coolant flows through the liquid passage cavity to dissipate heat from the light-emitting component. The light-emitting component and the liquid passage cavity are separated by the cavity wall of the liquid passage cavity. The coolant does not directly contact the light-emitting component to take away the heat of the light-emitting component, but flows through the liquid passage cavity to take away the heat conducted by the light-emitting component through the cavity wall of the liquid passage cavity. Since the coolant does not directly contact the light-emitting component for cooling, the light emitted by the light-emitting component will not have the problem of energy loss caused by passing through the coolant. Therefore, the energy conversion rate of the electrical energy input into the handpiece of the hair removal device into the output hair removal energy is relatively high, the handpiece of the hair removal device has a high energy utilization rate, there is no need to increase the light-emitting power of the light-emitting component to make up for the energy loss, it can meet the light-emitting requirements with a lower power, the reduction of the light-emitting power makes the heat generated by the light-emitting component also decrease, the reduction of heat generation enables the heat to be dissipated in time, the handpiece of the hair removal device will not have leakage flashes, nor does it need to work intermittently to wait for heat dissipation and cooling. The handpiece of the hair removal device can achieve continuous hair removal without waiting, thereby improving the hair removal efficiency. And the reduction of the light-emitting power requirement reduces the volume requirement of the handpiece of the hair removal device, and the handpiece of the hair removal device can be miniaturized to the household level.

[0274] 2. A light source mounting position is arranged on the side of the heat-conducting and insulating member facing the light-emitting direction, and the light-emitting component is arranged at the light source mounting position. By arranging a light source mounting position on the side of the heat-conducting and insulating member facing the light-emitting direction and arranging the light-emitting component at the light source mounting position, the light-emitting component realizes direct contact with the heat-conducting and insulating member, and can transfer heat from the light-emitting component to the heat-conducting and insulating member in the form of heat conduction, improving the heat dissipation efficiency.

[0275] 3. The light source mounting position in an embodiment of the present invention is a light source groove, the light source groove is concave into the liquid passage cavity, and at least part of the light-emitting component is arranged in the light source groove. Since the light source groove is concave into the liquid passage cavity, it can provide a receiving space for the light-emitting component. At least part of the light-emitting component is arranged in the light source groove. The light source groove plays a role in accommodating, fixing and protecting the light-emitting component. Moreover, since the light source groove is concave into the liquid passage cavity, the corresponding protrusion formed by the back surface of the light source groove in the liquid passage cavity can also increase the heat-conducting contact area, thereby improving the heat dissipation efficiency.

[0276] 4. The light-emitting component in an embodiment of the present invention includes a reflector cup and a light-emitting element. The light-emitting element is at least partially disposed within the reflector cup, and the reflector cup is at least partially disposed within the light source groove. By providing that the light-emitting component includes a reflector cup and a light-emitting element, with the light-emitting element at least partially disposed within the reflector cup, the reflector cup can refract the light rays in the non-light-emitting direction of the light-emitting element, enabling them to also be emitted along the light-emitting direction, so that the light emitted by the light-emitting element can be efficiently utilized and emitted as much as possible from the light-emitting direction, thereby improving the hair removal efficiency of the hair removal device handpiece. The positional relationship between the reflector cup and the light source groove can establish a heat conduction path for heat to conduct from the reflector cup to the light source groove.

[0277] 5. A raised portion corresponding to the light source groove is provided in the liquid passage cavity in an embodiment of the present invention. Due to the raised shape of the raised portion, the heat dissipation contact area between the back surface of the light source groove and the coolant in the liquid passage cavity can be effectively increased, enabling the heat at the light source groove to be conducted to the liquid passage cavity through a larger heat dissipation contact area, thereby improving the heat dissipation efficiency.

[0278] 6. The thickness range between the light source groove and the liquid passage cavity in an embodiment of the present invention is 0.5 mm - 5 mm. Since the light source groove is used to accommodate the light-emitting element and the temperature change range of the light-emitting element is relatively large, the thickness range of 0.5 mm - 5 mm between the light source groove and the liquid passage cavity can prevent the geometric shape of the light source groove from being deformed due to heat when the thickness is too thin, and can also avoid reducing the speed and efficiency of heat conduction from the light source groove to the liquid passage cavity when the thickness is too thick.

[0279] 7. The light-emitting element, the reflector cup, and the light source groove are sequentially and closely arranged in an embodiment of the present invention. The sequential and close arrangement of the light-emitting element, the reflector cup, and the light source groove eliminates the air gap, and the air gap is a poor conductor of heat. Thus, the reflector cup not only plays a role in concentrating light but also can efficiently conduct the heat of the light-emitting element to the light source groove, forming a complete and efficient heat conduction path and improving the heat conduction efficiency.

[0280] 8. The light-emitting element in an embodiment of the present invention is a pulsed xenon lamp. The pulsed xenon lamp includes an anode, a cathode, and a trigger electrode. The anode and the cathode are disposed at both ends of the pulsed xenon lamp, and the trigger electrode is disposed between the anode and the cathode. By providing that the pulsed xenon lamp includes three electrodes, namely an anode, a cathode, and a trigger electrode, the pulsed xenon lamp can adopt an external trigger method to achieve a better trigger effect and a longer service life.

[0281] 9. The reflector cup is the trigger electrode in an embodiment of the present invention. By providing that the reflector cup serves as the trigger electrode, the reflector cup not only reflects light but also conducts electricity. There is no need to use an external trigger by winding a trigger wire around the light-emitting element, avoiding the reduction in heat conduction efficiency caused by the gap between the light-emitting element and the reflector cup due to the winding of the trigger wire around the light-emitting element, and ensuring the close fit between the reflector cup and the light-emitting element, thereby improving the heat conduction efficiency between the two.

[0282] 10. In a heat-conducting and insulating member according to an embodiment of the present invention, a wire passing hole is formed, and the wire passing hole communicates with the side of the heat-conducting and insulating member close to the light-emitting member and the outside of the heat-conducting and insulating member. When the light-emitting member is a pulsed xenon lamp, the pulsed xenon lamp includes an anode, a cathode, and a trigger electrode. A wire electrically connected to the outside of the heat-conducting and insulating member can reach the side of the heat-conducting and insulating member close to the light-emitting member through the wire passing hole, and the trigger electrode is electrically connected to an external trigger signal source through the wire passing through the wire passing hole.

[0283] 11. A terminal is provided on the side of the reflecting cup facing the wire passing hole, and at least part of the terminal is inserted into the wire passing hole. By providing a terminal on the side of the reflecting cup facing the wire passing hole and at least part of the terminal being inserted into the wire passing hole, it is convenient for an external circuit to be electrically connected to the reflecting cup through the terminal, and the wire passing hole also protects the terminal, ensuring the stability of the electrical connection.

[0284] 12. The light source mechanism according to an embodiment of the present invention further includes a light-transmitting member, a refrigeration sheet, and a liquid-cooling plate. The light-transmitting member is arranged in the light-emitting direction. A refrigeration sheet is arranged on at least one side of the light-transmitting member, and a liquid-cooling plate is arranged on the side of the refrigeration sheet away from the light-transmitting member. An over-flow channel is formed in the liquid-cooling plate. The light-transmitting member arranged in the light-emitting direction functions to conduct light, cool, and protect the skin. Through the arrangement of the light-transmitting member, the refrigeration sheet, and the liquid-cooling plate, with an over-flow channel formed in the liquid-cooling plate, the refrigeration sheet can efficiently absorb the heat on the light-transmitting member and conduct it to the liquid-cooling plate, and the cooling liquid flowing through the over-flow channel formed in the liquid-cooling plate takes away this heat. The above heat conduction path arrangement has a high heat dissipation efficiency and effectively prevents the temperature of the light-transmitting member from being too high.

[0285] 13. The number of the refrigeration sheets and the liquid-cooling plates in an embodiment of the present invention is two groups. The two refrigeration sheets are respectively arranged on opposite sides of the light-transmitting member, and the cooling liquid respectively flows through the corresponding over-flow channels of the two liquid-cooling plates or sequentially flows through the corresponding over-flow channels of the two liquid-cooling plates to dissipate heat from the liquid-cooling plates. By setting the number of the refrigeration sheets and the liquid-cooling plates to two groups, with a refrigeration sheet and a liquid-cooling plate arranged on each of the opposite sides of the light-transmitting member, heat can be dissipated from both sides of the light-transmitting member, improving the heat dissipation efficiency. For the cooling method of the liquid-cooling plates by the cooling liquid, either the two liquid-cooling plates are independent of each other, and the cooling liquid simultaneously flows into the two liquid-cooling plates for cooling respectively, or the two liquid-cooling plates are interconnected, and the cooling liquid flows through the two liquid-cooling plates sequentially for heat dissipation.

[0286] 14. In one embodiment of the present invention, when the coolant flows through the flow channels corresponding to the two liquid cooling plates respectively, the light source mechanism further includes a liquid inlet nozzle and a diverter, the liquid inlet nozzle, the diverter and the flow channel are connected in sequence, and the diverter is provided with a diverter channel, and the two ends of the diverter channel are respectively connected with the flow channels corresponding to the two liquid cooling plates. Since the diverter is provided with a diverter channel, and the two ends of the diverter channel are respectively connected with the flow channels corresponding to the two liquid cooling plates, the coolant enters the diverter channel from the liquid inlet nozzle for diversion, and flows through the flow channels of the liquid cooling plates on both sides to take away the heat of the cooling plate. The double flow channels enable the coolant to efficiently and evenly take away the heat transferred from the light-transmitting member to the liquid cooling plate from both sides of the light-transmitting member.

[0287] 15. The light source mechanism in one embodiment of the present invention further comprises a light-transmitting member bracket, which is sleeved on the light-transmitting member, and a limiting block is provided on one of the sides where the light-transmitting member bracket and the diverter member are close to each other, and a corresponding limiting hole is provided on the other side. The light-transmitting member bracket is sleeved on the light-transmitting member to limit and protect the light-transmitting member, and the limiting blocks and limiting holes are provided on the sides where the light-transmitting member bracket and the diverter member are close to each other, respectively, so that the light-transmitting member bracket and the diverter member can be mutually engaged, and the positional relationship between the two can be limited.

[0288] 16. In one embodiment of the present invention, one of the ports defining the corresponding ports of the shunt channel and the overflow channel is a docking male end, and the other is a docking female end. The docking male end and the docking female end are connected in cooperation. A receiving groove is provided on the side where the docking male end is located. The receiving groove is arranged on the outside of the docking male end. A docking seal is arranged in the receiving groove. The ports corresponding to the shunt channel and the overflow channel are respectively connected in cooperation as the docking male end and the docking female end. Since a receiving groove is provided on the side where the docking male end is located. The receiving groove is arranged on the outside of the docking male end. A docking seal is arranged in the receiving groove. When the docking male end and the docking female end are connected in cooperation, the docking seal on the outside of the docking male end can play a sealing role to prevent the coolant from leaking at the connection between the shunt channel and the overflow channel, thereby ensuring the integrity and sealing of the connection between the shunt channel and the overflow channel.

[0289] 17. In one embodiment of the present invention, the coolant flows through the flow channel and the liquid chamber in sequence to dissipate heat for the light-transmitting member and the light-emitting component in sequence. Since the heat of the light-transmitting member is conducted from the cooling plate to the liquid cooling plate, and the heat of the light-emitting component is conducted from the wall of the liquid chamber to the liquid chamber, the heat is eventually taken away by the coolant flowing through the flow channel and the liquid chamber in sequence, so that the heat of the light-transmitting member and the light-emitting component can be dissipated in time. Since the light-transmitting member will directly trigger the hair removal device handpiece to stop to dissipate heat in order to prevent burns when the temperature is too high, which has a negative impact on the user experience, the coolant is set to flow through the flow channel and the liquid chamber in sequence, so that the coolant is first cooled through the flow channel and then cooled through the liquid chamber. The cooling sequence uses the coolant that flows through the flow channel first and then through the liquid chamber, which has a lower initial cooling temperature for the light-transmitting member, can take away more heat from the light-transmitting member, improve the heat dissipation efficiency of the flow channel for cooling the light-transmitting member, and prevent the light-transmitting member from stopping due to excessive temperature. The light-transmitting component is cooled first and then the light-emitting component. The light-emitting component with a higher instantaneous temperature during operation is cooled later in the order of cooling, thereby ensuring that the temperature of the coolant is still lower than the temperature of the liquid cavity when flowing through the liquid cavity, and being able to effectively take away the heat of the liquid cavity, so that the heat dissipation of the light-transmitting component and the light-emitting component can be carried out smoothly and evenly; and the order of cooling the light-emitting component after the light-transmitting component can not only cool the light-emitting component, but also ensure that the electrode still has sufficient electron emission capacity after the temperature of the light-emitting component drops, thereby ensuring the stability of the light-emitting component. Through the above-mentioned settings, the hair removal device handpiece can work continuously, the heat can be dissipated in time, and there is no need for intermittent work for cooling, so that uninterrupted high-speed hair removal can be achieved, the user's hair removal needs are met immediately, and the user experience is significantly improved.

[0290] 18. In one embodiment of the present invention, the coolant flows through the liquid cavity and the flow channel in sequence to dissipate heat to the light-emitting component and the light-transmitting member in sequence. By setting the coolant to flow through the liquid cavity and the flow channel in sequence, the heat of the light-emitting component and the light-transmitting member can be taken away by the coolant in sequence through the liquid cavity and the flow channel.

[0291] 19. In one embodiment of the present invention, the coolant flows through the flow channel and the liquid cavity respectively to dissipate heat for the light-transmitting member and the light-emitting component respectively. By setting the coolant to flow through the flow channel and the liquid cavity respectively, the heat dissipation of the light-transmitting member and the light-emitting component does not interfere with each other, and the coolant can take away the heat of the light-transmitting member and the light-emitting component through the flow channel and the liquid cavity respectively.

[0292] 20. The overflow channel in an embodiment of the present invention includes at least one overflow sub-channel and / or the overflow channel includes at least one bending portion. By providing that the overflow channel includes at least one overflow sub-channel and / or the overflow channel includes at least one bending portion, the coolant is divided into multiple paths inside the liquid cooling plate and / or flows along an S-shaped repeatedly turning-back path, increasing the flow path length of the coolant inside the liquid cooling plate, increasing the surface area and time of contact between the coolant and the liquid cooling plate, thereby effectively improving the heat dissipation performance.

[0293] 21. The volume of the liquid passing cavity in an embodiment of the present invention is greater than the volume of the overflow channel. The fact that the volume of the liquid passing cavity is greater than the volume of the overflow channel enables the coolant to have a longer heat exchange time and a larger heat dissipation contact area when flowing through the liquid passing cavity, improving the heat dissipation efficiency at the place where the coolant flows through the liquid passing cavity.

[0294] 22. A sealing cushion layer is provided between the liquid cooling plate and the heat-conducting insulating member in an embodiment of the present invention. The sealing cushion layer is provided with cushion through-holes, and the cushion through-holes connect the overflow channel and the liquid passing cavity. The sealing cushion layer is provided between the liquid cooling plate and the heat-conducting insulating member, which can play a sealing role to prevent the coolant from leaking through the gap at the contact surface between the liquid cooling plate and the heat-conducting insulating member, improving the safety of the operation of the hair removal device handpiece. The cushion through-holes connect the overflow channel and the liquid passing cavity, enabling the coolant to flow smoothly from the overflow channel into the liquid passing cavity.

[0295] 23. The light source mechanism in an embodiment of the present invention further includes a sealing sleeve, and the sealing sleeve is sleeved on the light-transmitting member. By sleeving the sealing sleeve on the light-transmitting member, the sealing sleeve can play a role in keeping the light-transmitting member cold, enabling the light-transmitting member to have a better cooling effect.

[0296] 24. A sleeve eaves is provided at one end of the sealing sleeve facing the light-emitting direction, and the sleeve eaves extends along the direction away from the light-transmitting member. By providing a sleeve eaves at one end of the sealing sleeve facing the light-emitting direction and the sleeve eaves extending along the direction away from the light-transmitting member, the gap assembled between one side of the light-emitting direction of the light-transmitting member and the outer shell of the hair removal device handpiece can be sealed, preventing gels, dust, water, etc. used during hair removal from entering the hair removal device handpiece.

[0297] 25. The sealing sleeve in an embodiment of the present invention is a silicone sealing sleeve. The silicone sealing sleeve has excellent heat resistance, elasticity and insulation properties. It can not only withstand a relatively high temperature without deformation and damage, but also deform to fill the gap to ensure the sealing performance. At the same time, it can also improve the safety during use.

[0298] 26. The light source mechanism in an embodiment of the present invention further includes a light filter, which is disposed between the light-emitting component and the light-transmitting component. By arranging the light filter between the light-emitting component and the light-transmitting component, the light emitted by the light-emitting component is filtered by the light filter and then emitted through the light-transmitting component, so that the output spectrum of the light emitted from the light-transmitting component meets the requirements for hair removal, and the spectrum that does not meet the requirements can be filtered out to achieve the hair removal effect.

[0299] 27. The light filter and the inner wall of the light source groove in an embodiment of the present invention enclose and define a light source cavity that does not pass liquid. Compared with the conventional light source water-cooling structure where the light source cavity passes liquid, the light source cavity not passing liquid can avoid the energy loss when the light emitted by the light-emitting component passes through the coolant, and at the same time, it also improves the safety of preventing electric leakage.

[0300] 28. The light source mechanism in an embodiment of the present invention further includes a sealing sleeve, which is sleeved on the light-transmitting component. There is a gap between the light filter and the light-transmitting component, and one end of the sealing sleeve close to the light filter seals the gap. By setting one end of the sealing sleeve close to the light filter to seal the gap between the light filter and the light-transmitting component, a sealed space is formed, avoiding the energy loss caused by the condensation of the gas near the light filter and the light-transmitting component when it liquefies due to cooling and stays in the gap between the light filter and the light-transmitting component, and further improving the light output effect.

[0301] 29. At least one surface of the heat-conducting and insulating member disposed in the light source groove in an embodiment of the present invention includes a heat-conducting and insulating surface. By making at least one surface of the heat-conducting and insulating member disposed in the light source groove include a heat-conducting and insulating surface, on the one hand, the light source groove can efficiently transfer heat to the liquid-passing cavity side by virtue of its good heat-conducting performance, and on the other hand, it can play an insulating role, improving the safety of the hair removal device handpiece.

[0302] 30. The heat-conducting and insulating surface in an embodiment of the present invention is a ceramic surface. Ceramics are a typical representative in heat-conducting and insulating materials. Due to the relatively low linear expansion coefficient of the ceramic material of the ceramic surface, when the temperature of the hair removal device handpiece changes greatly during operation and non-operation, the ceramic surface provided by the ceramic bracket can ensure dimensional stability even under a large temperature difference due to its good dimensional stability, so that the structure of the light source mechanism is stable. The ceramic material also has good insulating properties, improving the safety of using the hair removal device handpiece.

[0303] 31. In one embodiment of the present invention, the heat-conducting insulating member is provided with a liquid hole connecting the flow channel and the liquid cavity, and the light source mechanism is also provided with a liquid outlet nozzle, which is connected to the liquid cavity, and a baffle is provided between the liquid outlet nozzle and the liquid hole of the liquid cavity, and a gap is left between the cavity surface of the liquid cavity near the light source installation position and the baffle. Since the liquid outlet nozzle is connected to the liquid cavity, a baffle is provided between the liquid outlet nozzle and the liquid hole of the liquid cavity, and the baffle changes the flow direction of the coolant from the liquid hole to the liquid outlet nozzle, and a gap is left between the cavity surface of the liquid cavity near the light source installation position and the baffle, so that the coolant flows to the liquid outlet nozzle through the gap after being blocked by the baffle, so that the coolant flows as close to the cavity surface of the liquid cavity near the light source installation position as possible in the liquid cavity, which can improve the heat dissipation efficiency. The positional relationship between the baffle and the gap increases the flow path length of the coolant flowing from the liquid hole to the liquid outlet nozzle, so that the heat exchange process in the liquid cavity is more sufficient, and the heat dissipation efficiency is further improved.

[0304] 32. The hair removal device handpiece in one embodiment of the present invention includes a preset first gear and / or a preset second gear and / or a preset third gear. The preset first gear outputs energy in the range of 5-15J, and the flash interval is 0.1s-0.3s; the preset second gear outputs energy in the range of 15-25J, and the flash interval is 0.3s-0.5s; the preset third gear outputs energy in the range of 25-35J, and the flash interval is 0.5s-1s. By setting the preset first gear and / or the preset second gear and / or the preset third gear, different energy output and flash interval gears can be provided to meet the diverse hair removal needs of users. The present invention uses a coolant flow through the liquid cavity to carry away the heat conducted by the light-emitting component through the cavity wall of the liquid cavity, thereby avoiding the energy loss caused by the light passing through the coolant. It has a high energy utilization rate and is not restricted by the heat dissipation problem during continuous and rapid hair removal. Even if an output energy of 25-35J is used for lighting, the flash interval can be as low as 0.5s-1s, thereby realizing continuous and high-speed hair removal, improving hair removal efficiency, and greatly improving the user's hair removal experience.

[0305] 33. In one embodiment of the present invention, the heat-conducting insulating member includes a first sub-member and a second sub-member, and the first sub-member and the second sub-member are enclosed to form a liquid passage cavity. The liquid passage cavity is enclosed by the first sub-member and the second sub-member, so that the manufacturing process of the liquid passage cavity is simple, and the manufacturing difficulty and manufacturing cost can be reduced.

[0306] 34. In one embodiment of the present invention, the first component and the second component are arranged in sequence along the direction close to the light-emitting component. At least the second component among the first component and the second component is a ceramic bracket. Since the first component and the second component are arranged in sequence along the direction close to the light-emitting component, and the second component is arranged on the side closer to the light-emitting component, the heat of the light-emitting component needs to be conducted to the liquid passage cavity through the second component, and there is coolant passing through the liquid passage cavity. Therefore, at least the second component needs to meet the heat conduction and insulation characteristics. The ceramic bracket has high thermal conductivity and can quickly conduct and dissipate the heat of the light-emitting component, improving the heat conduction efficiency; the ceramic bracket also has electrical insulation, improving the safety of using the hair removal device handpiece.

[0307] 35. The ceramic bracket in one embodiment of the present invention is an alumina ceramic bracket. Alumina ceramic has a relatively high thermal conductivity, which enables the ceramic bracket made of alumina ceramic to effectively conduct and dissipate heat; and alumina ceramic can effectively isolate the circuit as an insulating material to prevent electric leakage.

[0308] 36. A first sealing member is arranged between the first component and the second component in one embodiment of the present invention. By arranging the first sealing member between the first component and the second component, it can fill the gap when the first component and the second component are assembled, play a sealing role, prevent the coolant from leaking out of the liquid passage cavity, and improve the use safety.

[0309] 37. The light-emitting member in one embodiment of the present invention is an LED and / or a laser. The LED as the light-emitting member has the advantages of long service life, large light-emitting area, low cost, and good stability; the laser can quickly act on a large area of skin, improving the hair removal efficiency.

[0310] 38. The light source groove in one embodiment of the present invention includes a groove bottom and two groove walls. The two groove walls are arranged on both sides of the groove bottom. The reflecting cup includes a cup bottom and a cup wall. The cup bottom and the cup wall are respectively in corresponding contact with the groove bottom and the groove walls, and the light-emitting member is in contact with the cup bottom. By arranging the light-emitting member in contact with the cup bottom and the cup bottom in contact with the groove bottom, the light-emitting member, the reflecting cup, and the light source groove are in direct contact. The heat at the light-emitting member can be conducted through the cup bottom of the reflecting cup to the groove bottom of the light source groove by heat conduction, and then conducted to the cavity surface of the liquid passage cavity on the back of the light source groove, and finally taken away by the coolant flowing through the liquid passage cavity. The cup wall can reflect the light in the non-light-emitting direction emitted by the light-emitting member and convert and concentrate it into the light in the light-emitting direction; the cup wall is in corresponding contact with the groove wall, so that the heat received by the cup wall can be conducted to the groove wall, and then conducted to the cavity surface of the liquid passage cavity on the back of the groove wall, increasing the heat dissipation contact area and improving the heat dissipation efficiency.

[0311] 39. In an embodiment of the present invention, the radial wrapping angle defining the fit between the light-emitting element and the bottom of the cup is α, where 120° ≤ α ≤ 180°. When the radial wrapping angle between the light-emitting element and the bottom of the cup is too small, the contact between the light-emitting element and the reflecting cup is not sufficient, and the contact area is restricted when heat is conducted from the light-emitting element to the reflecting cup, resulting in insufficient heat dissipation performance. When the radial wrapping angle between the light-emitting element and the bottom of the cup is too large, the cup wall will cause blocking interference in the light-emitting direction of the light-emitting element, affecting the normal light emission of the light emitted by the light-emitting element and reducing the light energy utilization efficiency. By setting the value range of the radial wrapping angle to be not greater than 180° and not less than 120°, a balance can be achieved between the heat dissipation efficiency and the light energy utilization efficiency. It can not only ensure that there is sufficient contact area between the light-emitting element and the reflecting cup for heat conduction, but also not block the normal light emission of the light emitted by the light-emitting element.

[0312] 40. In an embodiment of the present invention, the bottom of the groove and the bottom of the cup are concentric circular arcs with the axis of the light-emitting element as the center of the circle. By setting the shapes of the bottom of the groove and the bottom of the cup to be circular arcs, and the centers of the corresponding circular arcs of the bottom of the groove and the bottom of the cup coincide with the axis of the light-emitting element, forming concentric circular arcs, the shapes of the bottom of the groove and the bottom of the cup can be matched, and they can fit tightly on the whole surface. The inner surface of the bottom of the cup completely fits the light-emitting element, and the tightly fitting contact surface excludes the air gap. Air is a poor conductor of heat, so the heat conduction efficiency from the light-emitting element through the bottom of the cup to the bottom of the groove can be improved, thereby conducting heat evenly and efficiently.

[0313] 41. In an embodiment of the present invention, the light source mechanism further includes a conductive member, which is arranged on the thermally conductive insulating member and is electrically connected to the light-emitting element. By setting the conductive member to be electrically connected to the light-emitting element and arranging the conductive member on the thermally conductive insulating member, a new heat conduction path is added. The conductive member not only has conductivity but also good thermal conductivity. The heat of the light-emitting element can be conducted to the conductive member connected to it. Since the conductive member is arranged on the thermally conductive insulating member, the heat can be further conducted to the thermally conductive insulating member, thereby establishing a heat conduction path from the light-emitting element through the conductive member to the thermally conductive insulating member. The conductive member not only plays the role of electrical conduction to electrically connect the light-emitting element, but also plays the role of heat conduction, adding a new heat conduction path. The establishment of this heat conduction path makes the way of conducting the heat generated by the light-emitting element to the thermally conductive insulating member more diversified, and can conduct heat more evenly and comprehensively, avoiding the structural defect of uneven heat dissipation capacity at the light-emitting element due to the overly single heat dissipation path, and can further improve the heat dissipation efficiency to a higher level.

[0314] 42. In an embodiment of the present invention, the conductive member is at least partially attached to the thermally conductive insulating member. Since the conductive member is at least partially attached to the thermally conductive insulating member, the contact relationship between the conductive member and the thermally conductive insulating member is ensured. Whether the conductive member is partially attached to the thermally conductive insulating member or the conductive member is entirely attached to the thermally conductive insulating member, heat can achieve the heat conduction process from the conductive member to the thermally conductive insulating member.

[0315] 43. In an embodiment of the present invention, the side surface where the conductive member is attached to the thermally conductive insulating member is defined as the attachment surface, and the proportion of the area where the conductive member is attached to the thermally conductive insulating member in the area of the attachment surface is not less than 10%. By setting the proportion of the area where the conductive member is attached to the thermally conductive insulating member in the area of the attachment surface to be not less than 10%, it is ensured that there is sufficient attachment area for conducting the heat of the conductive member to the thermally conductive insulating member for heat dissipation, preventing the attachment area from becoming a limiting factor for heat dissipation efficiency.

[0316] 44. In an embodiment of the present invention, the thermally conductive insulating member includes an extension portion, the extension portion is arranged on both sides of the liquid passage cavity, the extension portion includes an extension convex portion corresponding to the light source groove, and the conductive member is at least partially attached to the extension convex portion. By providing that the thermally conductive insulating member includes an extension portion, the extension portion is arranged on both sides of the liquid passage cavity, the extension portion includes an extension convex portion corresponding to the light source groove, and the convex shape of the extension convex portion corresponds to the depression of the light source groove, it provides a structural space for accommodating the light source groove in the extension portion. The convex shape of the extension convex portion has a larger heat dissipation contact area, which is beneficial to heat conduction; the conductive member being at least partially attached to the extension convex portion enables the heat of the light emitting member to be conducted through the conductive member to the extension convex portion, and then be taken away by the coolant flowing through the liquid passage cavity via the thermally conductive insulating member, further improving the heat dissipation efficiency.

[0317] 45. In an embodiment of the present invention, the extension portion is provided with a slot, and the conductive member is at least partially inserted into the slot. By providing a slot in the extension portion and the conductive member being at least partially inserted into the slot, the slot can play a role in fixing the conductive member, preventing the conductive member from loosening due to external force and causing poor contact, and enabling the connection relationship between the conductive member and the light emitting member to be more firm.

[0318] 46. In an embodiment of the present invention, the thermally conductive insulating member includes a first component and a second component, the first component and the second component are detachably connected, the slot is arranged on the second component, and the first component is provided with a limiting member that abuts against the conductive member. By providing that the thermally conductive insulating member includes a first component and a second component, and the first component and the second component are detachably connected, it is possible to disassemble and separate the first component and the second component for facilitating the assembly of the conductive member. Since the slot is arranged on the second component, when the conductive member cooperates with the slot, the first component is connected to the second component, and the limiting member abutting against the conductive member enables the limiting member to achieve a fixed constraint on the positional relationship of the conductive member, keeping the connection relationship between the conductive member and the light emitting member stable and avoiding problems of poor contact caused by loosening.

[0319] 47. In one embodiment of the present invention, the conductive member is a conductive copper sheet. The copper material of the conductive copper sheet not only has good electrical conductivity, reduces heat generation with a low resistivity, improves the power usage efficiency, and fully realizes the electrical connection between the light-emitting member and the external circuit, but also has excellent thermal conductivity, and can quickly conduct the heat at the end of the light-emitting member connected thereto to the thermally conductive insulating member for cooling.

[0320] 48. In one embodiment of the present invention, a circuit board is provided on the side of the thermally conductive insulating member opposite to the light-emitting direction, and the circuit board is electrically connected to the light-emitting assembly. By providing the circuit board on the side of the thermally conductive insulating member opposite to the light-emitting direction, the circuit board will not affect the normal light emission of the hair removal device handpiece. The circuit board is electrically connected to the light-emitting assembly, so that the circuit board can control the working state of the light-emitting assembly.

[0321] 49. In one embodiment of the present invention, the flow rate of the coolant is 0.2 - 0.6 L / min. By setting the flow rate range of the coolant at 0.2 - 0.6 L / min, the coolant has sufficient circulation speed, improves the heat exchange efficiency, and timely takes away the heat of the hair removal device handpiece.

[0322] 50. The hair removal device in one embodiment of the present invention includes a heat dissipation device, a liquid pumping device, and the above-mentioned hair removal device handpiece, and the heat dissipation device, the liquid pumping device, and the hair removal device handpiece are connected in sequence. The heat dissipation device, the liquid pumping device, and the hair removal device handpiece are connected in sequence to form a circulating heat exchange path. When the hair removal device handpiece performs hair removal operations, the liquid pumping device pumps the coolant into the hair removal device handpiece for heat dissipation in a cyclic manner, and then dissipates heat through the heat dissipation device for cooling use.

[0323] 51. The heat dissipation device in one embodiment of the present invention includes a coolant, and the coolant includes a liquid containing antifreeze. Since the hair removal device may face a low-temperature environment during the conversion process in different sites, the coolant including a liquid containing antifreeze can prevent the coolant from solidifying and stopping flowing in a low-temperature environment, and avoid damage to the cooling pipeline of the hair removal device caused by solidification and volume increase.

[0324] 52. The liquid pumping device in one embodiment of the present invention includes a gear pump. The gear pump has a relatively long lift, can provide strong power for the cooling circulation of the coolant; the characteristic of the gear pump with water and electricity separation also increases the safety of use.

[0325] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A hair removal device handpiece, characterized in that, The hair removal device handpiece includes a light source mechanism. The light source mechanism includes a heat-conducting and insulating member and a light-emitting component. The direction in which the light-emitting component emits light from the hair removal device handpiece is defined as the light-emitting direction. The heat-conducting and insulating member is arranged on the side of the light-emitting component facing away from the light-emitting direction. The heat-conducting and insulating member is provided with a liquid passage cavity, and a coolant flows through the liquid passage cavity to dissipate heat from the light-emitting component.

2. The hair removal device handpiece according to claim 1, wherein: On the side of the heat-conducting and insulating member facing the light-emitting direction, a light source mounting position is provided, and the light-emitting component is arranged at the light source mounting position.

3. The hair removal device handpiece according to claim 2, characterized in that: The light source mounting position is a light source groove, and the light source groove is recessed into the liquid passage cavity, and at least part of the light-emitting component is arranged in the light source groove.

4. The hair removal device handpiece according to claim 3, characterized in that: The light-emitting component includes a reflector cup and a light-emitting element. At least part of the light-emitting element is arranged in the reflector cup, and at least part of the reflector cup is arranged in the light source groove.

5. The hair removal device handpiece according to claim 3, wherein: The liquid passage cavity is provided with a raised portion corresponding to the light source groove.

6. The hair removal device handpiece according to claim 3, wherein: The thickness range between the light source groove and the liquid passage cavity is 0.5 mm - 5 mm.

7. The hair removal device handpiece according to claim 4, characterized in that: The light-emitting element, the reflector cup, and the light source groove are sequentially and closely arranged.

8. The hair removal device handpiece according to claim 4, characterized in that: The light-emitting element is a pulsed xenon lamp. The pulsed xenon lamp includes an anode, a cathode, and a trigger electrode. The anode and the cathode are arranged at both ends of the pulsed xenon lamp, and the trigger electrode is arranged between the anode and the cathode.

9. The hair removal device handpiece according to claim 8, characterized in that: The reflector cup serves as the trigger electrode.

10. The hair removal device handpiece according to claim 9, characterized in that: A wire passing hole is formed in the heat-conducting and insulating member, and the wire passing hole communicates with the side of the heat-conducting and insulating member close to the light-emitting element and the outside of the heat-conducting and insulating member.

11. The hair removal device handpiece according to claim 10, wherein: On the side of the reflector cup facing the wire passing hole, a wiring post is provided, and at least part of the wiring post is inserted into the wire passing hole.

12. The hair removal device handpiece according to claim 3, characterized in that: The light source mechanism further includes a light-transmitting member, a refrigeration sheet, and a liquid cooling plate. The light-transmitting member is arranged in the light-emitting direction. The refrigeration sheet is arranged on at least one side of the light-transmitting member, and the liquid cooling plate is arranged on the side of the refrigeration sheet away from the light-transmitting member. An over-flow channel is formed in the liquid cooling plate.

13. The hair removal device handpiece according to claim 12, characterized in that: The number of the refrigeration sheets and the liquid cooling plates is two. The two refrigeration sheets are respectively arranged on opposite sides of the light-transmitting member, and the coolant respectively flows through the corresponding over-flow channels of the two liquid cooling plates or sequentially flows through the corresponding over-flow channels of the two liquid cooling plates to dissipate heat from the liquid cooling plates.

14. The hair removal device handpiece according to claim 13, wherein: When the coolant respectively flows through the corresponding over-flow channels of the two liquid cooling plates, the light source mechanism further includes a liquid inlet nozzle and a flow splitting member. The liquid inlet nozzle, the flow splitting member, and the over-flow channel are sequentially communicated. The flow splitting member is provided with a flow splitting channel, and both ends of the flow splitting channel are respectively communicated with the corresponding over-flow channels of the two liquid cooling plates.

15. The hair removal device handpiece according to claim 14, characterized in that: The light source mechanism further includes a light-transmitting member bracket. The light-transmitting member bracket is sleeved on the light-transmitting member. One of the side surfaces of the light-transmitting member bracket and the flow splitting member close to each other is provided with a limiting block, and the other is provided with a corresponding limiting hole.

16. The hair removal device handpiece according to claim 14, wherein: One of the ports of the flow splitting channel corresponding to the over-flow channel is defined as a docking male end, and the other is defined as a docking female end. The docking male end and the docking female end are cooperatively connected. A receiving groove is formed on the side surface where the docking male end is located. The receiving groove is arranged outside the docking male end, and a docking sealing member is arranged in the receiving groove.

17. The hair removal device handpiece according to claim 12, characterized in that: The coolant flows through the flow-through channel and the liquid passage cavity in sequence to dissipate heat from the light-transmitting member and the light-emitting component in sequence.

18. The hair removal device handpiece according to claim 12, wherein: The coolant flows through the liquid passage cavity and the flow-through channel in sequence to dissipate heat from the light-emitting component and the light-transmitting member in sequence.

19. The hair removal device handpiece according to claim 12, characterized in that: The coolant flows through the flow-through channel and the liquid passage cavity respectively to dissipate heat from the light-transmitting member and the light-emitting component respectively.

20. The hair removal device handpiece according to claim 12, characterized in that: The flow-through channel includes at least one flow-through sub-channel and / or the flow-through channel includes at least one bent portion.

21. The hair removal device handpiece according to claim 12, characterized in that: The volume of the liquid passage cavity is larger than the volume of the flow-through channel.

22. The hair removal device handpiece according to claim 12, characterized in that: A sealing cushion layer is provided between the liquid cooling plate and the thermally conductive insulating member. The sealing cushion layer is provided with cushion through-holes, and the cushion through-holes communicate the flow-through channel and the liquid passage cavity.

23. The hair removal device handpiece according to claim 12, characterized in that: The light source mechanism further includes a sealing sleeve, and the sealing sleeve is sleeved on the light-transmitting member.

24. The hair removal device handpiece according to claim 23, wherein: One end of the sealing sleeve facing the light-emitting direction is provided with a sleeve eaves, and the sleeve eaves extends along the direction away from the light-transmitting member.

25. The hair removal device handpiece according to claim 23, wherein: The sealing sleeve is a silica gel sealing sleeve.

26. The hair removal device handpiece according to claim 12, wherein: The light source mechanism further includes a light filtering member, and the light filtering member is provided between the light-emitting component and the light-transmitting member.

27. The hair removal device handpiece according to claim 26, wherein: The light filtering member and the inner wall of the light source groove enclose and define a light source cavity, and the light source cavity does not pass liquid.

28. The hair removal device handpiece according to claim 26, wherein: The light source mechanism further includes a sealing sleeve, and the sealing sleeve is sleeved on the light-transmitting member. A gap is left between the light filtering member and the light-transmitting member, and one end of the sealing sleeve close to the light filtering member seals the gap.

29. The hair removal device handpiece according to claim 3, characterized in that: At least one surface of the light source groove provided with the thermally conductive insulating member includes a thermally conductive insulating surface.

30. The hair removal device handpiece according to claim 29, wherein: The thermally conductive insulating surface is a ceramic surface.

31. The hair removal device handpiece according to claim 12, wherein: The thermally conductive insulating member is provided with a liquid passage hole communicating the flow-through channel and the liquid passage cavity. The light source mechanism is further provided with a liquid outlet nozzle, and the liquid outlet nozzle communicates with the liquid passage cavity. A baffle is provided in the liquid passage cavity between the liquid outlet nozzle and the liquid passage hole, and a gap is left between the cavity surface of the liquid passage cavity close to the light source installation position and the baffle.

32. The hair removal device handpiece according to claim 1, wherein: The hair removal device handpiece includes a preset first gear and / or a preset second gear and / or a preset third gear. The energy output range of the preset first gear is 5-15 J, and the flash interval is 0.1 s-0.3 s; The energy output range of the preset second gear is 15-25 J, and the flash interval is 0.3 s-0.5 s; the energy output range of the preset third gear is 25-35 J, and the flash interval is 0.5 s-1 s.

33. The hair removal device handpiece according to claim 1, wherein: The thermally conductive insulating member includes a first sub-member and a second sub-member, and the first sub-member and the second sub-member enclose to form the liquid passage cavity.

34. The hair removal device handpiece according to claim 33, characterized in that: The first sub-member and the second sub-member are arranged in sequence along the direction close to the light-emitting component. At least the second sub-member of the first sub-member and the second sub-member is a ceramic bracket.

35. The hair removal device handpiece according to claim 34, wherein: The ceramic bracket is an alumina ceramic bracket.

36. The hair removal device handpiece according to claim 33, characterized in that: A first sealing member is provided between the first sub-member and the second sub-member.

37. The hair removal device handpiece according to claim 4, characterized in that: The light-emitting component is an LED and / or a laser.

38. The hair removal device handpiece according to claim 7, characterized in that: The light source groove includes a groove bottom and two groove walls. The two groove walls are arranged on both sides of the groove bottom. The reflecting cup includes a cup bottom and a cup wall. The cup bottom and the cup wall are respectively in corresponding fit with the groove bottom and the groove walls, and the light-emitting component is in fit with the cup bottom.

39. The hair removal device handpiece according to claim 38, characterized in that: Define the radial wrapping angle where the light-emitting part fits with the bottom of the cup as α, and 120° ≤ α ≤ 180°.

40. The hair removal device handpiece according to claim 38, wherein: The bottom of the groove and the bottom of the cup are concentric circular arcs, and the concentric circular arcs are centered on the axis of the light-emitting part.

41. The hair removal device handpiece according to claim 4, wherein: The light source mechanism further includes a conductive part, the conductive part is arranged on the heat-conducting insulating part, and the conductive part is electrically connected to the light-emitting part.

42. The hair removal device handpiece according to claim 41, wherein: At least part of the conductive part fits with the heat-conducting insulating part.

43. The hair removal device handpiece according to claim 42, characterized in that: Define the side surface where the conductive part fits with the heat-conducting insulating part as the fitting surface, and the proportion of the area where the conductive part fits with the heat-conducting insulating part in the area of the fitting surface is not less than 10%.

44. The hair removal device handpiece according to claim 41, wherein: The heat-conducting insulating part includes an extension part, the extension part is arranged on both sides of the liquid passing cavity, the extension part includes an extension convex part corresponding to the light source groove, and at least part of the conductive part fits with the extension convex part.

45. The hair removal device handpiece according to claim 44, characterized in that: The extension part is provided with a slot, and at least part of the conductive part is inserted into the slot.

46. The hair removal device handpiece according to claim 45, characterized in that: The heat-conducting insulating part includes a first sub-part and a second sub-part, the first sub-part and the second sub-part are detachably connected, the slot is arranged on the second sub-part, and the first sub-part is provided with a limiting part, and the limiting part abuts against the conductive part.

47. The hair removal device handpiece according to claim 41, characterized in that: The conductive part is a conductive copper sheet.

48. The hair removal device handpiece according to claim 1, wherein: A circuit board is arranged on the side of the heat-conducting insulating part opposite to the light-emitting direction, and the circuit board is electrically connected to the light-emitting component.

49. The hair removal device handpiece according to claim 1, wherein: The flow rate of the coolant is 0.2 - 0.6 L / min.

50. A hair removal device, characterized in that: The hair remover includes a heat dissipation device, a liquid pumping device and a hair remover handpiece according to any one of claims 1 - 49, and the heat dissipation device, the liquid pumping device and the hair remover handpiece are connected in sequence.

51. The hair removal device according to claim 50, wherein: The heat dissipation device includes a coolant, and the coolant includes a liquid containing antifreeze.

52. The hair removal device according to claim 50, wherein: The liquid pumping device includes a gear pump.

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