Handle and temperature control system of beauty instrument

Abstract

The utility model provides a beauty instrument handle and temperature control system. The beauty instrument handle and temperature control system comprises a handheld part, a circuit board is arranged in the handheld part, the handheld part is detachably connected with a treatment head, a connecting piece is arranged in the handheld part, a first ventilation pipeline is arranged in the middle of the connecting piece, and a wind power driving device is arranged at an air inlet of the first ventilation pipeline; the treatment head is detachably connected with the handheld part through the connecting piece; the treatment head comprises a shell, a second ventilation pipeline is arranged in the shell, a connecting plate is arranged on one side of an air inlet of the second ventilation pipeline, a heat dissipation assembly is arranged on the other side of the air inlet of the second ventilation pipeline, and a heat conduction piece, a refrigeration piece, a treatment piece and a protection film are sequentially arranged below the heat dissipation assembly. A plurality of temperature sensors and a plurality of electrode points are arranged on the treatment sheet; according to the utility model, through temperature control and current transmission, the beauty treatment effect can be improved, the detachable structure is convenient for a user to clean and maintain, and the sanitation and the performance of the equipment are kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical equipment, especially to a handle of a beauty instrument. BACKGROUND

[0002] Some beauty instrument technologies mainly focus on providing non-invasive skin treatment to promote collagen production, enhance skin care product absorption, promote cell vitality and tighten skin, etc. These devices usually include temperature control functions to ensure that the temperature on the skin remains stable, avoiding overheating or overcooling, thereby improving the safety and comfort of treatment. Many existing beauty instruments rely on natural air cooling for heat dissipation, which has limited heat dissipation capacity, especially when the device generates a large amount of heat, the effect of air cooling is not ideal, and the device temperature cannot be quickly and effectively reduced. Some devices have complex structures, making it difficult for heat dissipation components to contact the heat source or the heat dissipation path is too long, resulting in reduced heat dissipation efficiency.

[0003] With the continuous growth of the demand for non-invasive skin treatment in the beauty industry, the performance requirements for beauty instruments are becoming increasingly stringent. The existing natural air cooling heat dissipation method not only has difficulty meeting the requirements in terms of heat dissipation rate when facing high-power operation of beauty instruments, but also is prone to problems such as internal component aging and performance degradation due to heat accumulation, which seriously restricts the treatment effect and service life of beauty instruments. In addition, the complex structural design makes the heat dissipation path circuitous and the heat transfer blocked, further exacerbating the heat dissipation dilemma, and innovative heat dissipation technology is urgently needed to break through the bottleneck. SUMMARY

[0004] The technical problem to be solved by the utility model is that many existing beauty instruments rely on natural air cooling for heat dissipation, which has limited heat dissipation capacity, especially when the device generates a large amount of heat, the effect of air cooling is not ideal, and the device temperature cannot be quickly and effectively reduced. Some devices have complex structures, making it difficult for heat dissipation components to contact the heat source or the heat dissipation path is too long, resulting in reduced heat dissipation efficiency.

[0005] The utility model provides a kind of beauty instrument handle to solve above-mentioned technical problems, including hand-held part, circuit board is equipped in the hand-held part, the hand-held part is detachably connected with treatment head, connecting piece is equipped in the hand-held part, first ventilation duct is equipped in the middle of connecting piece, wind power drive device is equipped in the first ventilation duct air inlet;The treatment head is detachably connected with hand-held part by connecting piece;The treatment head includes shell, second ventilation duct is equipped in the shell, connecting plate is equipped in the first ventilation duct air inlet side, and the other side is equipped with heat dissipation component, heat dissipation component is sequentially equipped with heat conduction sheet, refrigeration sheet, treatment sheet, protective film below;Several temperature sensors and several electrode points are equipped on the treatment sheet;Circuit board is connected with wind power drive device, temperature sensor, electrode point respectively;Second ventilation duct air inlet is connected with the first ventilation duct air outlet.

[0006] Preferably, the side of the connecting piece in contact with the connecting plate is an inclined surface, and the other side is a vertical surface, the middle of the connecting piece is provided with a first ventilation duct, a plurality of power pins evenly arranged are arranged in the groove of the lower part of the inclined surface of the connecting piece, the power pins are electrically connected with the electrode points through the treatment head, and limiting devices are arranged on both sides of the connecting piece.

[0007] Preferably, the first ventilation duct in the connecting piece includes a wind collecting duct and a wind blowing duct, the diameter of the wind collecting duct is greater than that of the wind blowing duct, the air inlet of the wind collecting duct is connected with the wind power drive device, the air outlet of the wind collecting duct is connected with the air inlet of the wind blowing duct, and the air inlet of the wind blowing duct is connected with the air inlet of the second ventilation duct.

[0008] Preferably, the limiting device includes an elastic button and a limiting rod, the limiting rod is provided with an elastic button, and the limiting rod is L-shaped and clamped with the connecting plate.

[0009] Preferably, the air inlet of the second ventilation duct is smaller than the air outlet, support plates are arranged on both sides of the air outlet of the second ventilation duct, the middle of the support plate is provided with a heat dissipation component, and the air inlet end of the heat dissipation component is opposite to the air outlet of the second ventilation duct.

[0010] Preferably, the heat dissipation component includes a plurality of evenly and parallel arranged heat dissipation fins, the heat dissipation fins are connected with each other to form a heat dissipation surface at the bottom, the channel formed between the heat dissipation fins is an air outlet, and the top surface of the heat dissipation fin is opposite to the air outlet of the second ventilation duct.

[0011] Preferably, the connecting plate is provided with a clamping groove on both sides, and the clamping groove is matched with the limiting rod in the limiting device.

[0012] Preferably, the shell is provided with a plurality of evenly arranged heat dissipation openings on both sides, the air duct in the heat dissipation opening is inclined downward, and the heat dissipation opening is opposite to the air outlet of the heat dissipation component.

[0013] The temperature control system of the cosmetic instrument is applied to the handle of the cosmetic instrument, and comprises a control unit, a temperature signal acquisition unit and a refrigeration unit.

[0014] Preferably, the control unit comprises a circuit board and a controller mounted on the circuit board; the temperature signal acquisition unit comprises a plurality of temperature sensors electrically connected to the controller; and the refrigeration unit comprises a wind-driven device, a first ventilation duct, a second ventilation duct, a heat dissipation assembly, a heat conduction sheet and a refrigeration sheet, wherein the wind-driven device is electrically connected to the controller.

[0015] The hand-held part provided by the embodiment of the application is ergonomically optimized, has a natural contour that matches the hand holding action, and has good slip resistance and corrosion resistance, such as a high-strength engineering plastic with special texture treatment, thereby effectively improving the stability and comfort of user operation, reducing fatigue after long time use, and ensuring the durability of the device in various use environments.

[0016] The connecting piece provided by the embodiment of the application has a smooth arc line design for the transition between the inclined surface and the vertical surface, and the angle of the inclined surface is calculated and simulated to optimize the stability and reliability of the mechanical structure while ensuring the convenient plugging and unplugging of the treatment head. The power supply pins in the lower groove of the inclined surface are made of high-purity copper alloy material and have gold plating treatment on the surface, thereby having excellent conductivity and oxidation resistance, and the arrangement interval is optimized to ensure accurate docking with the electrode points of the treatment head and realize stable and efficient electrical signal transmission. The inner wall of the air collecting duct in the first ventilation duct is designed in a streamline shape to optimize the airflow direction according to the principle of aerodynamics and reduce air resistance. The elastic button of the limiting device is made of high-elasticity rubber material, has comfortable touch and sensitive feedback, the limiting rod is made of high-strength aluminum alloy material and has anodizing treatment on the surface to enhance wear resistance and corrosion resistance. The cooperation tolerance between the limiting rod and the connecting plate clamping groove is controlled within a very small range to ensure the firmness and position accuracy of the treatment head after installation, thereby effectively preventing the treatment head from loosening or falling off due to device vibration or accidental collision.

[0017] The treatment head provided by the embodiment of the present application is characterized in that the shell is made of light-weight and high-strength aluminum alloy material, is formed through precise numerical control processing technology, and has good heat dissipation performance and electromagnetic shielding effect. The number, size and distribution position of the heat dissipation openings on both sides of the shell are optimized through simulation analysis and experimental verification, the downward inclination angle of the air duct is 30°-45°, which ensures smooth exhaust of the heat dissipation airflow and effectively prevents external dust and impurities from flowing into the equipment, thereby ensuring the cleanliness and stable operation of the equipment. The second ventilation pipeline is designed in a variable-diameter manner, the diameter gradient curve from the air inlet to the air outlet is determined according to the principle of fluid mechanics, which improves the air flow rate while reducing the airflow noise. The inner surface is smooth, which reduces air friction resistance and further improves heat dissipation efficiency. The support plate is made of high-temperature-resistant and high-strength engineering plastic material, which is integrally formed with the shell through a special injection molding process, thereby ensuring stable support and precise positioning of the heat dissipation assembly. The heat dissipation fins of the heat dissipation assembly are made of aluminum alloy material with high thermal conductivity, and the surface is treated with fine micro-grooves to effectively increase the heat dissipation area and heat exchange efficiency. The spacing between the heat dissipation fins is optimized to ensure sufficient ventilation space while preventing airflow turbulence, thereby ensuring that heat can be quickly and evenly dissipated. The heat conduction fins are made of copper-based composite material, which has high thermal conductivity and good thermal stability, and can quickly conduct the heat generated by the treatment piece to the heat dissipation assembly and the refrigeration piece. The refrigeration piece is selected from high-performance semiconductor refrigeration chips, and the refrigeration power, efficiency and temperature control precision are strictly selected and tested, which can realize precise and rapid refrigeration adjustment according to different treatment modes and skin temperature feedback, thereby effectively protecting the skin from overheating damage. The treatment piece is made of medical-grade stainless steel material, and the surface is treated with special polishing and antibacterial treatment. The electrode points are designed in an inlaid manner and are flush with the surface of the treatment piece, thereby ensuring uniform distribution and stable conduction of the current and avoiding scratching or stinging the skin. The protective film is made of high-transparency, soft and biocompatible organic silicon material, and the thickness is controlled to be 0.1-0.2 mm, which can effectively isolate the treatment piece and the skin to prevent cross infection, and can also minimize the influence on the transmission of treatment energy and temperature sensing

[0018] The temperature control system part of the beauty instrument provided by the embodiment of the present application is characterized in that the controller of the control unit is made of an intelligent chip, and is provided with multiple preset treatment modes and temperature control algorithms, such as adaptive fuzzy control algorithm and PID temperature control algorithm. The temperature control parameters can be automatically adjusted according to the skin type, treatment site and use habit of different users, thereby realizing individualized and accurate temperature management. Meanwhile, the controller has perfect fault diagnosis and alarm functions, can monitor the working state of each component of the equipment in real time, such as speed abnormality of the air-driven device, signal deviation of the temperature sensor and working failure of the refrigeration piece, and can timely remind the user through sound and light alarm, thereby ensuring the safe and reliable operation of the equipment.

[0019] The temperature sensor of the temperature signal acquisition unit adopts a high-precision and high-sensitivity thermistor sensor, which has a measurement accuracy of ±0.3°C and a response time of less than 0.5 seconds. The installation position of the sensor is optimized and uniformly distributed at key parts of the treatment sheet, which can accurately and timely collect the temperature changes of the treatment area and transmit the temperature signals to the controller through a shielded cable, ensuring the stability and anti-interference of signal transmission.

[0020] The working mechanism of each component of the refrigeration unit is further optimized. The wind-driven device adopts a brushless DC motor, which has the advantages of high speed, low noise, and long service life. Its speed can be accurately adjusted within the range of 1000-5000 rpm, forming a closed-loop control with the controller, and adjusting the wind speed in real time according to the temperature feedback. The connection between the first and second ventilation pipes uses a silicone seal ring with good sealing performance to prevent air leakage and ensure stable air transmission. The heat dissipation assembly, heat dissipation fins, and refrigeration sheet are filled with high-efficiency heat-conducting silicone grease to reduce thermal resistance and improve heat conduction efficiency. The entire refrigeration unit can quickly and stably achieve refrigeration and heat dissipation functions under different environmental temperatures and treatment load conditions, ensuring that the treatment head temperature always stays within a safe and effective treatment range.

[0021] The bottom of multiple evenly arranged heat dissipation fins is connected to form an efficient heat dissipation surface, which can quickly conduct and dissipate heat. In combination with the design of the heat dissipation port, not only the number, size, and distribution position, but also the internal air duct is inclined downward by 30°-45°. This inclined design is based on the principle of aerodynamics, which makes the heat dissipation airflow form a natural downward guide when it is discharged, effectively preventing heat backflow and ensuring that heat can be smoothly and quickly discharged from the equipment. During long-term operation of the equipment, even if a large amount of heat is generated, the internal temperature of the equipment can still be controlled within a safe range, effectively protecting the internal circuit board and other precision circuit elements from high-temperature damage, significantly extending the service life of the equipment, and reducing the risk of equipment failure caused by overheating.

[0022] The heat dissipation assembly and the ventilation pipe system work closely together. The air collection pipe in the first ventilation pipe is designed with a large diameter, which can efficiently collect a large amount of airflow generated by the wind-driven device, and then accurately guide the airflow to the second ventilation pipe through the gradually tapered air injection pipe. The variable-diameter design of the air inlet of the second ventilation pipe is smaller than the air outlet, which further accelerates the airflow speed, so that the airflow can more effectively carry away heat when passing through the heat dissipation assembly. The entire ventilation and heat dissipation system forms an efficient airflow circulation and heat dissipation channel, ensuring that the equipment can maintain a stable low-temperature operating environment under various working intensities, providing a solid guarantee for the continuous and reliable operation of the equipment.

[0023] Temperature sensors play a crucial role in the temperature monitoring of the treatment head. Multiple high-precision temperature sensors are evenly distributed on the treatment piece, with a measurement accuracy of ±0.3°C. These sensors can accurately sense the temperature changes in the treatment area in real time. The sensors use thermistor technology, with a response time of less than 0.5 seconds, allowing them to quickly transmit temperature data to the controller on the circuit board. The controller has an intelligent temperature control algorithm, such as a hybrid algorithm combining adaptive fuzzy control and PID temperature control. This algorithm can quickly and accurately determine whether the temperature deviates from the preset safety range based on real-time data from the temperature sensors. Once the temperature approaches or exceeds the set upper threshold, the controller will immediately activate a series of temperature adjustment measures. For example, it can precisely control the speed of the wind-driven device to increase ventilation and enhance heat dissipation; at the same time, it can adjust the cooling power of the cooling piece as needed to quickly lower the temperature of the treatment piece. Through this dynamic and accurate temperature control mechanism, skin burns caused by excessive temperature during treatment are effectively prevented, greatly improving the safety of the treatment, allowing users to enjoy beauty treatments without worrying about skin safety issues.

[0024] The detachable connection between the treatment head and the handheld part brings great convenience to users and expands the functionality of the device. The connection structure integrates mechanical locking and electrical connection. The connection between the connecting piece and the connecting plate of the treatment head is achieved through the cooperation of the inclined surface and the vertical surface. The angle of the inclined surface is optimized to facilitate the insertion and removal of the treatment head, while the vertical surface ensures the stability of the connection. In terms of electrical connection, the power pins in the inclined surface of the connecting piece are made of high-purity copper alloy and are gold-plated, providing excellent conductivity and oxidation resistance. The arrangement of the power pins is precisely matched with the electrode points in the treatment head, allowing for quick and stable electrical connection when the treatment head is installed. At the same time, the limiting device on both sides of the connecting piece adopts a combination of elastic buttons and L-shaped limiting rods. The elastic buttons are easy to operate and comfortable to the touch. When pressed, the limiting rods can move up and down along the support column. The limiting rods are tightly fitted into the clamping grooves on both sides of the connecting plate. The shape and size of the clamping grooves are carefully designed, with a small tolerance, ensuring that the treatment head is accurately and stably installed after installation, effectively preventing the treatment head from falling off or moving due to accidental impact or vibration during use. This reliable detachable connection design allows users to easily replace the treatment head according to different beauty treatment needs, such as skin tightening, relaxation and repair, deep cleaning, etc. Different treatment heads can integrate different technical modules, such as specific wavelength light therapy modules and different energy level radio frequency modules, greatly increasing the applicability and functional diversity of the device, meeting the individual needs of users in different beauty stages and different skin conditions, and enabling the device to provide one-stop multi-beauty treatment services.

[0025] The design of the cooling sheet and the protective film fully considers the comfort of the user during the treatment process. The cooling sheet uses a high-performance semiconductor cooling chip, and its cooling power, efficiency and temperature control accuracy are strictly screened and tested. During the treatment process, the cooling sheet can quickly and stably adjust the temperature of the treatment sheet according to the feedback of the temperature sensor and the preset treatment temperature requirement, so as to keep the temperature in an appropriate low temperature range, effectively reducing the burning sensation and discomfort that the skin may produce during the cosmetic treatment. For example, during the radio frequency skin tightening treatment, the radio frequency energy will cause the skin temperature to rise, at which time the cooling sheet starts the cooling function in time to maintain the skin surface temperature in an optimal temperature interval that can promote collagen production without causing the user to feel too hot and painful. The protective film is made of silicone material with high permeability, softness and biocompatibility, and the thickness is accurately controlled at 0.1-0.2mm. This material not only effectively isolates the treatment sheet from the skin to prevent cross infection, but also maximally reduces the influence on the treatment energy transmission and temperature perception. Its soft texture closely adheres to the skin and does not cause additional friction or compression to the skin during the treatment process, so that the user feels comfortable and gentle skin contact experience, improves the user's acceptance and satisfaction of the cosmetic treatment, and makes the whole cosmetic treatment process more pleasant and easy. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a three-dimensional view of a handheld skin cosmetic instrument.

[0027] Figure 2 is an internal structure diagram of a cosmetic instrument handle.

[0028] Figure 3 is an exploded view of a treatment head and a connecting piece of a cosmetic instrument handle.

[0029] Figure 4 is a three-dimensional view of a connecting piece of a cosmetic instrument handle.

[0030] Figure 5 is a sectional view of a connecting piece of a cosmetic instrument handle.

[0031] Figure 6 is a three-dimensional view of the internal structure of a treatment head of a cosmetic instrument handle.

[0032] Figure 7 is a side view of the internal structure of a treatment head of a cosmetic instrument handle.

[0033] Figure 8 is a three-dimensional view of a treatment head of a cosmetic instrument handle.

[0034] Figure 9 , One A control diagram of a temperature control system of a cosmetic instrument.

[0035] As shown in the figure: 1, hand-held part; 2, treatment head; 201, connecting plate; 202, second ventilation duct; 203, heat dissipation assembly; 204, heat conduction sheet; 205, refrigeration sheet; 206, protective film; 207, temperature sensor; 208, electrode point; 209, clamping groove; 210, treatment sheet; 3, power supply pin; 4, circuit board; 5, limiting device; 6, wind-driven device; 7, connecting piece; 701, first ventilation duct; 7011, air blowing duct; 7012, air collecting duct; 8, heat dissipation opening; 9, controller; 10, control unit; 11, temperature signal acquisition unit; 12, refrigeration unit. DETAILED DESCRIPTION

[0036] The specific embodiments of the present application will be further described below with reference to the accompanying drawings. The same parts are denoted by the same reference numerals in the drawings.

[0037] It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular part.

[0038] In order to make the content of the present application more easily understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

[0039] In combination with the accompanying drawings, Figures 1-9 As shown in the figure: 1, hand-held part; 2, treatment head; 201, connecting plate; 202, second ventilation duct; 203, heat dissipation assembly; 204, heat conduction sheet; 205, refrigeration sheet; 206, protective film; 207, temperature sensor; 208, electrode point; 209, clamping groove; 210, treatment sheet; 3, power supply pin; 4, circuit board; 5, limiting device; 6, wind-driven device; 7, connecting piece; 701, first ventilation duct; 7011, air blowing duct; 7012, air collecting duct; 8, heat dissipation opening; 9, controller; 10, control unit; 11, temperature signal acquisition unit; 12, refrigeration unit.

[0040] The treatment head 2 is detachably connected with the hand-held part 1 through the connecting piece 7; this design makes the treatment head replaceable according to different treatment needs, increasing the flexibility and applicability of the equipment.

[0041] The treatment head 2 includes a shell, the shell is provided with a second ventilation duct 202, the second ventilation duct 202 is provided with a connecting plate 201 on one side of the air inlet and a heat dissipation assembly 203 on the other side. The air inlet of the second ventilation duct 202 is connected with the air outlet of the first ventilation duct 701, forming an air flow channel, which helps to dissipate heat and keep the equipment cool.

[0042] The heat dissipation assembly 203 is sequentially provided with a heat conduction sheet 204, a refrigeration sheet 205, a treatment sheet 210, and a protective film 206; the treatment sheet 210 is provided with a plurality of temperature sensors 207 and a plurality of electrode points 208; the circuit board 4 is connected with the wind-driven device 6, the temperature sensors 207, and the electrode points 208 respectively;

[0043] The temperature sensors 207 monitor the temperature of the treatment sheet 210 and transmit data to the controller on the circuit board 4, and the controller adjusts the operation of the wind-driven device 6 according to the temperature data to control the temperature of the device. The circuit board 4 is connected with the electrode points 208, and the electrode points 208 transmit current to perform electrotherapy or other beauty treatments that require current. The refrigeration sheet 205 includes a transparent crystal refrigeration sheet, a ceramic substrate hot surface refrigeration sheet, a VC (Vapor Chambers) heat conduction plate, and an RC12-4-01LS semiconductor refrigeration sheet.

[0044] The above scheme has the following advantages: through temperature control and current transmission, the effect of beauty treatment can be improved; the refrigeration sheet 205 and the protective film 206 can protect the skin from overheating; the heat dissipation assembly 203 and the heat conduction sheet 204 help to dissipate heat, reduce overheating of the device, and improve the durability and service life of the device; the temperature sensors 207 can prevent the device from overheating and reduce the risk of burns; the detachable treatment head 2 can be replaced according to different treatment needs, providing more treatment options; since the treatment head 2 is detachable, it is convenient for users to clean and maintain the device, maintaining the hygiene and performance of the device.

[0045] Further, one side of the connecting piece 7 in contact with the connecting plate 201 is an inclined surface, and the other side is a vertical surface; the middle of the connecting piece 7 is provided with a first ventilation duct 701; a plurality of power pins 3 are arranged in the groove at the lower part of the inclined surface of the connecting piece 7; the power pins 3 are electrically connected with the electrode points 208 through the treatment head 2, wherein the power pins 3 are used to electrically connect the circuit board 4 of the handheld part 1 with the electrode points 208 of the treatment head 2. The electrical connection realized by the power pins 3 can control the current transmitted to the electrode points 208, realizing accurate beauty treatment.

[0046] The connecting piece 7 is provided with a limiting device 5 on both sides. The limiting device 5 includes a resilient button and a limiting rod, the limiting rod is provided with a resilient button, and the limiting rod is L-shaped and is clamped with the connecting plate 201. The limiting device 5 ensures the correct installation of the treatment head 2 and limits its movement, preventing the treatment head from shifting or falling off during use, ensuring the stability of the connection. The connecting plate 201 is provided with a clamping groove 209 on both sides, which cooperates with the limiting rod in the limiting device.

[0047] The connecting piece 7 is connected to the handheld part 1 and the treatment head 2, ensuring electrical and mechanical connection of the two.

[0048] The first ventilation pipe 701 in the connecting piece 7 includes a wind collecting pipe 7012 and a wind blowing pipe 7011, the diameter of the wind collecting pipe 7012 is larger than that of the wind blowing pipe 7011, the wind inlet of the wind collecting pipe 7012 is connected to the wind power driving device 6, the wind outlet of the wind collecting pipe 7012 is connected to the wind inlet of the wind blowing pipe 7011, and the wind inlet of the wind blowing pipe 7011 is connected to the wind inlet of the second ventilation pipe 202.

[0049] The wind collecting pipe 7012 is used to collect the wind generated by the wind power driving device 6, and the wind blowing pipe 7011 guides the wind collected by the wind collecting pipe 7012 to the second ventilation pipe 202 of the treatment head 2. The design of the wind collecting pipe 7012 and the wind blowing pipe 7011 makes the wind power more effectively collected and distributed, optimizing the utilization efficiency of the wind power.

[0050] The above scheme works as follows: the wind power driving device 6 generates wind power in the handheld part 1, the generated wind power enters through the wind inlet of the wind collecting pipe 7012, and since the diameter of the wind collecting pipe 7012 is larger than that of the wind blowing pipe 7011, it can collect more wind, the wind outlet of the wind collecting pipe 7012 is connected to the wind inlet of the wind blowing pipe 7011, the wind power is distributed from the wind collecting pipe 7012 to the wind blowing pipe 7011, the wind blowing pipe 7011 transmits the wind power from the connecting piece 7 to the second ventilation pipe 202 of the treatment head 2, and through the second ventilation pipe 202, the wind power reaches the heat dissipation assembly 203, helping to dissipate heat and keep the device cool.

[0051] The wind inlet of the second ventilation pipe 202 is smaller than the wind outlet, which helps to increase the air flow rate and improve the heat dissipation efficiency. The wind outlet of the second ventilation pipe 202 is provided with support plates on both sides, the support plates are provided with heat dissipation assemblies 203 in the middle, the support plates are used to fix and support the heat dissipation assemblies 203, and the wind inlet end of the heat dissipation assembly 203 corresponds to the wind outlet of the second ventilation pipe 202. The heat dissipation assembly 203 includes a plurality of evenly and parallel arranged heat dissipation fins, the heat dissipation fins are connected to each other at the bottom to form a heat dissipation surface, the channels formed between the heat dissipation fins are the wind outlets, and the top surface of the heat dissipation fins corresponds to the wind outlet of the second ventilation pipe 202.

[0052] The working process of the second ventilation pipe 202 and the heat dissipation assembly 203: when the wind-driven device 6 works, air is sucked in through the first ventilation pipe 701, then enters the air inlet of the second ventilation pipe 202 through the air outlet of the connecting piece 7, and flows through the second ventilation pipe 202, and since the air inlet is smaller than the air outlet, the air flow rate increases, which helps to improve the heat dissipation efficiency. The air flow passes through the heat dissipation assembly 203, and the heat dissipation assembly 203 is designed so that the air flow can effectively take away heat, and the air inlet of the heat dissipation assembly 203 is opposite to the air outlet of the second ventilation pipe 202, so as to ensure that the air flow directly passes through the heat dissipation fins, and the heat dissipation fins dissipate heat through conduction and convection.

[0053] The shell is provided with a plurality of evenly arranged heat dissipation openings 8 on both sides, and the air ducts in the heat dissipation openings 8 are inclined downward and correspond to the air outlets of the heat dissipation assembly 203.

[0054] The working process of the utility model: when the beauty instrument works, the wind-driven device 6 generates wind power in the handheld part 1, and air is transported from the handheld part 1 to the second ventilation pipe 202 of the treatment head 2 through the first ventilation pipe 701, the heat generated during the working process of the treatment head 2 is conducted to the refrigeration fin 205 through the heat conduction fin 204, and then is transmitted to the heat dissipation assembly 203 by the refrigeration fin 205, the heat dissipation fins of the heat dissipation assembly 203 are designed to help heat dissipation, the channels formed between the heat dissipation fins serve as air outlets to discharge heat, the heat dissipation openings 8 correspond to the air outlets of the heat dissipation assembly 203, and the downward inclined design of the air ducts enables the heat dissipated by the heat dissipation assembly 203 to be smoothly discharged through the heat dissipation openings 8, thereby avoiding accumulation in the treatment head 2.

[0055] The utility model has the advantages of:

[0056] The designed heat dissipation assembly 203 and heat dissipation opening 8 and the inclined air duct design realize efficient heat dissipation, and protect the internal circuit and the skin of the user.

[0057] The cooperation of the temperature sensor 207 and the circuit board 4 can realize real-time monitoring and adjustment of the temperature of the treatment head, prevent scalding and excessive heating, and improve the safety of treatment.

[0058] The detachable connection design of the treatment head 2 and the handheld part 1 makes it simple to replace the treatment head according to different treatment needs, and increases the applicability and flexibility of the equipment.

[0059] The design of the refrigeration fin 205 and the protective film 206 can reduce the discomfort of the skin during treatment and improve the comfort of the user.

[0060] A cosmetic instrument temperature control system, the handle of the cosmetic instrument, comprising a control unit 10, a temperature signal acquisition unit 11, a refrigeration unit 12, the control unit 10 is electrically connected with the temperature signal acquisition unit 11, the refrigeration unit 12. The control unit includes a circuit board 4 and a controller 9 installed on the circuit board 4; the temperature signal acquisition unit 11 includes several temperature sensors 207, the temperature sensors 207 are electrically connected with the controller 9; the refrigeration unit 12 includes a wind-driven device 6, a first ventilation duct 701, a second ventilation duct 202, a heat dissipation assembly 203, a heat conduction sheet 204, a refrigeration sheet 205, the wind-driven device 6 is electrically connected with the controller 9.

[0061] The temperature control process of the cosmetic instrument temperature control system is as follows:

[0062] 1. Start the cosmetic instrument: when the handle of the cosmetic instrument is started, the circuit board 4 and the controller 9 in the control unit 10 start working.

[0063] 2. Temperature monitoring: several temperature sensors 207 in the temperature signal acquisition unit 11 start monitoring the temperature of the treatment head 2, and these sensors are distributed on the treatment sheet 210.

[0064] 3. Data transmission: the temperature sensors 207 transmit the monitored temperature data to the controller 9.

[0065] 4. Temperature control: the controller 9 judges whether the temperature needs to be adjusted according to the received temperature data. If the temperature is too high, the controller 9 will start or increase the running speed of the wind-driven device 6 to enhance heat dissipation.

[0066] 5. Wind-driven: the wind-driven device 6 starts working, and air is transported from the hand-held part 1 to the treatment head 2 through the first ventilation duct 701 and the second ventilation duct 202.

[0067] 6. Heat dissipation: air flows through the heat dissipation assembly 203, the heat conduction sheet 204 and the refrigeration sheet 205, helping to dissipate the heat generated by the treatment head 2.

[0068] 7. Temperature adjustment: if the temperature needs to be lowered, the controller 9 will adjust the working state of the refrigeration sheet 205 to achieve rapid cooling.

[0069] 8. Continuous monitoring and adjustment: the controller 9 continuously monitors the data of the temperature sensors 207 and adjusts the wind-driven device 6 and the refrigeration sheet 205 in real time to keep the temperature of the treatment head 2 within the appropriate range.

[0070] Wherein, at the start of the beauty instrument, the controller 9 first carries out initialization detection on the air-driven device 9, ensures that the motor operates normally and the rotating speed is stable at the preset minimum rotating speed. During the treatment process, the controller 9 compares and analyzes the temperature data fed back by the temperature sensor 207 with the preset temperature threshold value. When the temperature approaches or exceeds the upper threshold value, the controller calculates the required wind speed increment by using the PID algorithm, accurately adjusts the input voltage or pulse width modulation (PWM) signal of the brushless DC motor through the driving circuit, gradually increases the rotating speed of the air-driven device 9, so as to enhance the heat dissipation effect. When the temperature falls back to the safe range, the rotating speed is gradually reduced to an appropriate level according to the corresponding algorithm, so as to realize dynamic and accurate adjustment of the wind speed, and effectively balance the relationship between heat dissipation demand and equipment energy consumption, noise control.

[0071] Wherein, the heat dissipation assembly 203 dissipates heat after receiving heat conduction from the heat conduction sheet 204 through the heat dissipation sheet and the air convection heat exchange. At the same time, the refrigeration sheet 205 produces refrigeration effect under the regulation of the controller 9 according to the temperature requirement of the treatment sheet 210. The cold surface of the refrigeration sheet 205 absorbs heat from the treatment sheet, and the hot surface transmits heat to the heat dissipation assembly 203. In this process, by optimizing the material, structure and ventilation condition of the heat dissipation sheet, and accurately controlling the refrigeration power and working time of the refrigeration sheet, dynamic balance between heat dissipation and refrigeration is realized, so as to ensure that the temperature of the treatment sheet is stable within the set treatment temperature range. For example, when the temperature of the treatment sheet increases, the refrigeration sheet 205 increases the refrigeration power, and at the same time, the heat dissipation assembly 203 increases the heat dissipation speed; when the temperature decreases, the refrigeration and heat dissipation parameters are adjusted accordingly, so that the whole system is always in a high-efficiency and stable heat balance state.

[0072] Wherein, when the treatment head 2 is replaced, the user first presses the elastic buttons on both sides of the connecting piece, so that the limiting rod is separated from the clamping groove of the connecting plate, and then the old treatment head 2 is pulled out gently. When installing the new treatment head 2, the connecting plate 201 of the treatment head 2 is aligned with the inclined surface of the connecting piece 7, inserted along the guide direction, until the crisp sound of the limiting rod clamping into the clamping groove is heard, to ensure that the treatment head is installed in place. During the replacement process, the power of the beauty instrument should be turned off to avoid electric shock or equipment damage due to misoperation. At the same time, the surface of the new treatment head should be clean and undamaged before installation, and the electrode points should be in good contact with the power supply pins, so as to ensure the normal operation and treatment effect of the equipment.

[0073] For example, in the skin tightening treatment mode, the controller 9 presets a higher treatment temperature range, such as 40-45℃. In the initial stage of treatment, the air-driven device 6 operates at a lower speed, and the refrigeration fin 205 is in a low-power refrigeration state. As the treatment progresses, the temperature sensor 207 monitors the temperature of the treatment fin 210 in real time. When the temperature approaches or exceeds the upper threshold, the controller 9 gradually increases the speed of the air-driven device 6 and appropriately increases the refrigeration power of the refrigeration fin 205 to stabilize the temperature within the set range. For example, in the soothing repair treatment mode, the preset temperature range is lower, such as 35-40℃. The initial working state and adjustment strategy of the air-driven device 9 and the refrigeration fin 205 are adjusted accordingly to meet the specific requirements of different treatment modes for temperature control, ensuring the effectiveness and safety of the treatment effect.

[0074] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0075] The utility model and its implementation mode are described above, and this description is not restrictive, and the embodiment shown in the drawings is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, without creative design, similar structure modes and embodiments similar to the technical scheme should belong to the protection scope of the utility model.

Claims

1. A handle of a cosmetic instrument, comprising a hand-held part (1), a circuit board (4) is arranged in the hand-held part (1), characterized in that: The handheld part (1) is detachably connected with a treatment head (2), the handheld part (1) is internally provided with a connecting piece (7), the connecting piece (7) is internally provided with a first ventilation pipeline (701), the first ventilation pipeline (701) is provided with a wind power driving device (6) at an air inlet; The treatment head (2) is detachably connected with the handheld part (1) through the connecting piece (7); The treatment head (2) comprises a shell, the shell is internally provided with a second ventilation pipeline (202), the second ventilation pipeline (202) is provided with a connecting plate (201) at one side of an air inlet, and is provided with a heat dissipation assembly (203) at the other side, the heat dissipation assembly (203) is sequentially provided with a heat conduction sheet (204), a refrigeration sheet (205), a treatment sheet (210) and a protective film (206) below; The treatment sheet (210) is provided with a plurality of temperature sensors (207) and a plurality of electrode points (208); the circuit board (4) is connected with the wind power driving device (6), the temperature sensors (207) and the electrode points (208) respectively; The air inlet of the second ventilation pipeline (202) is connected with the air outlet of the first ventilation pipeline (701).

2. The handle of claim 1, wherein: One side of the connecting piece (7) in contact with the connecting plate (201) is an inclined surface, and the other side is a vertical surface, the connecting piece (7) is internally provided with the first ventilation pipeline (701), a plurality of power supply pins (3) are arranged in the groove of the lower part of the inclined surface of the connecting piece (7), the power supply pins (3) are electrically connected with the electrode points (208) through the treatment head (2), and the connecting piece (7) is provided with a limiting device (5) at two sides.

3. The handle of claim 1 or 2, wherein: The first ventilation pipeline (701) in the connecting piece (7) comprises a wind collecting pipeline (7012) and a wind spraying pipeline (7011), the diameter of the wind collecting pipeline (7012) is greater than that of the wind spraying pipeline (7011), the air inlet of the wind collecting pipeline (7012) is connected with the wind power driving device (6), the air outlet of the wind collecting pipeline (7012) is connected with the air inlet of the wind spraying pipeline (7011), and the air inlet of the wind spraying pipeline (7011) is connected with the air inlet of the second ventilation pipeline (202).

4. The handle of claim 2, wherein: The limiting device (5) comprises an elastic button and a limiting rod, the limiting rod is provided with the elastic button, and the limiting rod is in L-shaped and clamped with the connecting plate (201).

5. The handle of claim 1, wherein: The air inlet of the second ventilation pipeline (202) is smaller than the air outlet, the air outlet of the second ventilation pipeline (202) is provided with a supporting plate at two sides, the supporting plate is internally provided with the heat dissipation assembly (203), and the air inlet end of the heat dissipation assembly (203) is opposite to the air outlet of the second ventilation pipeline (202).

6. The handle of claim 1 or 5, wherein: The heat dissipation assembly (203) comprises a plurality of evenly and parallel arranged heat dissipation sheets, the heat dissipation sheets are connected with each other at the bottom to form a heat dissipation surface, the channel formed between the heat dissipation sheets is an air outlet, and the top surface of the heat dissipation sheet is opposite to the air outlet of the second ventilation pipeline (202).

7. The handle of claim 1, wherein: The shell is provided with a plurality of evenly arranged heat dissipation openings (8) at two sides, the air duct in the heat dissipation opening (8) is inclined downward, and the heat dissipation opening is opposite to the air outlet of the heat dissipation assembly (203).

8. The handle of claim 4, wherein: The connecting plate (201) is provided with clamping grooves (209) on both sides, which are matched with limiting rods in the limiting device.

9. A temperature control system for a cosmetic device, the system comprising: The handle is applied to the cosmetic instrument as claimed in any one of claims 1 to 8, comprising a control unit (10), a temperature signal acquisition unit (11), and a refrigeration unit (12), wherein the control unit (10) is electrically connected with the temperature signal acquisition unit (11) and the refrigeration unit (12).

10. The temperature control system of a cosmetic instrument according to claim 9, characterized in that: The control unit comprises a circuit board (4) and a controller (9) installed on the circuit board (4); The temperature signal acquisition unit (11) comprises a plurality of temperature sensors (207), which are electrically connected with the controller (9); The refrigeration unit (12) comprises a wind-driven device (6), a first ventilation duct (701), a second ventilation duct (202), a heat dissipation assembly (203), a heat conduction sheet (204), and a refrigeration sheet (205), wherein the wind-driven device (6) is electrically connected with the controller (9).

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