A charger housing with a sealed metal type for efficient heat dissipation

Abstract

The present invention discloses a charger housing with a closed metal type and high-efficiency heat dissipation, which includes a power charging mechanism. A heat dissipation and protection mechanism is arranged outside the power charging mechanism. The power charging mechanism includes a current output box, and a voltage control box is arranged at one end of the current output box. The heat dissipation and protection mechanism includes a first connection component. One end of the first connection component is connected to a second connection component. A third connection component is also fixedly installed at the end of the first connection component away from the second connection component. The first connection component includes a protective outer housing, and a first heat-conducting inner housing is fixedly connected inside the protective outer housing. The charger housing designed by the present invention is composed of a power charging mechanism and a heat dissipation and protection mechanism. Among them, the heat dissipation and protection mechanism utilizes the high heat conductivity and corrosion resistance of the metal shielding cover, and through the ventilation grooves on the protective outer housing, the high-temperature heat generated by the components in the power charging mechanism can be dissipated in a heat conduction manner, thereby achieving effective heat dissipation.

Description

Technical Field

[0001] The present invention relates to the technical field of chargers, and particularly to a charger housing with a sealed metal structure for efficient heat dissipation. Background Art

[0002] With the development of technology, the demand for various industrial equipment is increasing day by day. Among them, chargers, as an important part of industrial equipment, are also in growing demand. The performance of chargers directly affects the operating stability and service life of industrial equipment. Therefore, the design and manufacture of chargers are crucial. In the design of chargers, the design of the charger housing is one of the keys. It not only needs to protect the internal components but also needs to consider the heat dissipation problem to ensure the stable operation of the charger. In addition, since chargers are usually used in harsh environments, such as high temperature, high humidity, dust, etc., the charger housing also needs to have good waterproof and dustproof performance.

[0003] The existing housings of power charging devices are mainly made of plastic or metal materials, and usually achieve heat dissipation by opening holes or installing fans. However, this design cannot effectively handle the heat generated by the internal components of the charger, resulting in poor heat dissipation effect. At the same time, this housing design cannot effectively isolate the high temperature of the external environment and the overheating and heat conduction problems caused by the charger itself during operation, which is prone to the risk of fire. Especially when used in high-temperature weather in summer, not only is the heat dissipation efficiency low, but it may also cause potential safety hazards due to overheating inside the power charging device, and it cannot meet the dual requirements of people for high heat dissipation performance and high safety of charging devices.

[0004] Based on this, we propose a charger housing with a sealed metal structure for efficient heat dissipation to solve the above-mentioned problems. Summary of the Invention

[0005] The purpose of the present invention is to provide a charger housing with a sealed metal structure for efficient heat dissipation, and solve the problems in the background art that the existing housings of power charging devices have poor heat dissipation effect in high-temperature weather in summer, are difficult to isolate external high temperature, and there are fire hazards due to poor heat dissipation of internal components.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A charger housing with a sealed metal structure for efficient heat dissipation, including a power charging mechanism, a heat dissipation and protection mechanism is arranged outside the power charging mechanism. The power charging mechanism includes a current output box, and a voltage control box is arranged at one end of the current output box. The heat dissipation and protection mechanism includes a first connection component, a second connection component is connected to one end of the first connection component, and a third connection component is also fixedly installed at the end of the first connection component away from the second connection component;

[0008] The first connection component includes a protective outer casing, inside which a first heat-conducting inner casing is fixedly connected. Two installation cavities are provided inside the first heat-conducting inner casing. A plurality of first heat-dissipating fins are also distributed around the outer wall of the first heat-conducting inner casing. A metal heat-conducting frame is installed inside the protective outer casing. A plurality of fin slots are provided around the inner wall of the metal heat-conducting frame. A heat-conducting tube body is connected inside the metal heat-conducting frame. The heat-conducting tube body is arranged in a reciprocating and bending manner inside the metal heat-conducting frame. Sealing slots are also provided around both ends of the protective outer casing;

[0009] The current output box and the voltage control box are respectively arranged inside the installation cavity. A plurality of the first heat-dissipating fins are arranged corresponding to a plurality of fin slots, so as to be fixedly installed inside the protective outer casing through the first heat-conducting inner casing;

[0010] The third connection component includes a water cooler filled with a coolant inside. Refrigeration elements are installed on both sides of the inner wall of the water cooler. Two one-way valves are installed in the middle of the water cooler. A heat exchange tube body is arranged between the two one-way valves. The heat exchange tube body is connected to the heat-conducting tube body through the two one-way valves in a through manner. An adjusting capillary tube is also arranged in the middle of the heat exchange tube body;

[0011] The interiors of the heat exchange tube body and the heat-conducting tube body are both filled with water, and dichloromethane is also filled inside the heat exchange tube body and the heat-conducting tube body.

[0012] Based on the above technical features, the charger casing of the present invention combines a power charging mechanism and a heat dissipation and protection mechanism. Through the metal heat-conducting frame and the heat-conducting tube body filled with water and dichloromethane, efficient heat dissipation is achieved. When the inside of the charger overheats, gaseous dichloromethane cools down by absorbing heat and forms a high-density gas layer to isolate oxygen and prevent fire, thus meeting the requirements of high heat dissipation performance and high safety.

[0013] Preferably, in the above-mentioned charger casing with hermetic metal type and high heat dissipation, metal shielding covers are installed on one side of both the current output box and the voltage control box. A power cord is connected to one end of the current output box. A charging socket is also provided on the side of the current output box close to the power cord. Two connection ends are respectively connected to the inner sides of the current output box and the voltage control box. Two connection end holes are respectively provided at one end of the two metal shielding covers. The connection end holes and the connection ends are in plug-in fit. The installation cavity matches the structure of the metal shielding cover, and the installation cavity and the metal shielding cover are in transitional fit.

[0014] Based on the above technical features, in this solution, through the structural design of the transition fit between the installation cavity and the metal shielding cover, and the metal shielding cover is made of die-cast aluminum material. Die-cast aluminum is a high-strength and lightweight metal material with good thermal conductivity and corrosion resistance. It can seal and install the power charging mechanism inside the heat dissipation and protection mechanism, and can also dissipate the high-temperature heat generated by the electrical components inside the power charging mechanism in the form of heat conduction.

[0015] Preferably, in the above charger housing of a hermetic metal type with high-efficiency heat dissipation, a first ventilation groove is opened on one side of the metal heat conduction frame close to the fin slot, and a second ventilation groove is also penetrated and opened between the first ventilation groove and the protective outer housing.

[0016] Based on the above technical features, in this solution, through the first ventilation groove and the second ventilation groove added on the metal heat conduction frame, the high-temperature heat generated by the electrical components can be dissipated in the form of heat conduction by using the protective outer housing and the first heat conduction inner housing.

[0017] Preferably, in the above charger housing of a hermetic metal type with high-efficiency heat dissipation, the heat conduction tube body includes multiple groups of connecting elbows. One side of the multiple groups of connecting elbows is provided with a diversion groove opening. A fluoropolymer film covers the opening of the diversion groove opening. A gas container is arranged outside the diversion groove opening, and a pressure relief valve is also arranged on one side outside the gas container.

[0018] Based on the above technical features, in this solution, through the fluoropolymer film added at the opening of the diversion groove opening, the fluoropolymer film uses polytetrafluoroethylene film in the prior art. Polytetrafluoroethylene film has strong hydrophobicity and chemical stability, enabling it to effectively block the penetration of water bodies and liquid dichloromethane. And polytetrafluoroethylene film also has a microporous structure and high air permeability, so that gaseous dichloromethane in a high-pressure state can enter the inside of the gas container.

[0019] Preferably, in the above charger housing of a hermetic metal type with high-efficiency heat dissipation, sealing plates are arranged around one side of the water cooler and the second connection component. The sealing plates are matched with the sealing slots in structure. The sealing plates and the sealing slots are in a snap-fit. A water cooling power supply is also installed on one side of the water cooler away from the sealing plates.

[0020] Based on the above technical features, in this solution, through the structural design of the snap-fit between the sealing plates and the sealing slots, the second connection component and the third connection component can be hermetically connected to both ends of the first connection component.

[0021] Preferably, in the above charger housing with a sealed metal type and high-efficiency heat dissipation, an impeller is rotatably connected inside the adjusting capillary tube, a micro motor is installed on one side of the outside of the adjusting capillary tube, the output end of the micro motor is in transmission connection with the impeller, and a current induction switch is further arranged on the top of the micro motor.

[0022] Based on the above technical features, in this solution, a current induction switch is installed on the top of the micro motor, and the status indicator light, the refrigeration element and the current induction switch are all connected by electrical signals. The current induction switch adopts a resistive current sensor in the prior art. A constant current threshold is set in the resistive current sensor. When the current generated by the micro motor is measured to exceed this set value, the current induction switch can control the status indicator light and the refrigeration element to start running. Similarly, when the current generated by the micro motor is measured not to exceed this set value, the current induction switch can control the status indicator light and the refrigeration element to shut down, so that the heat dissipation protection mechanism can charge according to the power supply.

[0023] Preferably, in the above charger housing with a sealed metal type and high-efficiency heat dissipation, a power quantity display is installed on the outside of the water-cooled power supply, a charging port is arranged at the bottom of one side of the water-cooled power supply close to the power quantity display, and status indicator lights are respectively connected to both sides of the charging port. The status indicator lights, the refrigeration element and the current induction switch are all connected by electrical signals.

[0024] Based on the above technical features, in this solution, through the design of electrical signal connection between the status indicator light, the refrigeration element and the current induction switch, when the status indicator lights installed on both sides of the charging port are powered on and running, the user can judge the circulation of water and dichloromethane in the heat exchange tube body and the heat conduction tube body, as well as the operation of the refrigeration element for cooling the coolant through the lights emitted by the status indicator lights. When the refrigeration elements installed on both sides of the inner wall of the water cooler are powered on and running, the coolant filled inside the water cooler can be cooled.

[0025] The present invention provides a charger housing with a sealed metal type and high-efficiency heat dissipation, having the following technical key points and beneficial effects:

[0026] 1. Under normal working temperature, the charger housing of the present invention effectively manages the heat generated by the power charging mechanism through its heat dissipation protection mechanism. The heat generated by the electronic components inside the power charging mechanism is first transferred to the metal heat conduction frame through the first heat conduction inner housing. The metal heat conduction frame is designed with a first ventilation groove and a second ventilation groove. These ventilation grooves form natural convection with the protective outer housing, spontaneously dissipating the heat to the external environment. This design utilizes the high heat conduction performance of the metal to ensure the stable operation of the power charging device at normal temperature and maintain the appropriate working temperature of the electronic components.

[0027] 2. When the internal temperature of the charger rises and exceeds the normal operating range, the water body and dichloromethane in the heat conduction tube start to play their roles. As the temperature rises, dichloromethane begins to vaporize, forming high-pressure gas, which pushes the water body to circulate between the heat conduction tube and the heat exchange tube. This process forms a closed loop through two groups of one-way valves, accelerating the transfer and dissipation of heat. At the same time, the impeller in the thin tube rotates under the flow impact of the water body and dichloromethane, driving the micro-motor to rotate synchronously, generating current. The current induction switch monitors this current and controls the status indicator light and the refrigeration element according to the preset threshold, realizing the automatic regulation of the heat dissipation system to cope with the sudden high temperature inside the power charging device, and ensuring the safety of the operation of electronic components at the same time.

[0028] 3. In the extreme case where a fault occurs inside the power charging device, leading to a sharp rise in temperature, the dichloromethane in the heat conduction tube will quickly vaporize and expand, forming high-pressure gas. If the cooling effects of natural heat dissipation and the refrigeration element are not sufficient to control the temperature, the pressure relief valve will be triggered, releasing the high-pressure gas into the gas collection container. The gaseous dichloromethane enters the gas collection container through the fluorinated polymer membrane, forming a high-density gas layer, isolating oxygen, inhibiting the combustion and spread of flames. At the same time, the volatility of dichloromethane helps to absorb heat and reduce the local temperature, achieving the fire extinguishing effect. This design not only improves the heat dissipation performance of the power charging device itself, but also enhances the safety of the power charging device during charging use, ensuring its safe use under extreme high temperature conditions, and preventing accidents such as fires caused by a sharp rise in temperature due to faults inside the power charging device.

[0029] 4. As can be seen from the above, through the innovatively designed heat dissipation and protection structure, the present invention overcomes the heat dissipation limitations of the traditional charger shell. Under normal temperature, it uses the metal heat conduction frame and ventilation slots to dissipate heat spontaneously, ensuring the temperature stability of the device under normal conditions. When the temperature rises and the heat dissipation demand cannot be met, the water body and dichloromethane in the heat conduction tube vaporize and circulate to achieve secondary heat absorption and cooling, avoiding the accumulation of high temperature. If an ultra-high temperature situation occurs, the gaseous dichloromethane further releases pressure and isolates oxygen to achieve the fire extinguishing effect, inhibiting the occurrence and spread of fires, thus significantly improving the safety of the charging device. This design not only improves the heat dissipation efficiency, especially under high temperature and overheat conditions, but also enhances the fire prevention ability of the device, meeting the dual requirements of modern power charging devices for high heat dissipation performance and high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is the overall structural schematic diagram of the present invention;

[0031] Figure 2 is the split schematic diagram of the power charging mechanism in the present invention;

[0032] Figure 3Schematic diagram of the disassembly of the heat dissipation and protection mechanism in the present invention;

[0033] Figure 4 Schematic diagram of the disassembly of the first connection component in the present invention;

[0034] Figure 5 Schematic diagram of the disassembly of the current output box in the present invention;

[0035] Figure 6 Schematic diagram of the structure of the protective outer housing in the present invention;

[0036] Figure 7 Schematic diagram of the structure of the connecting elbow pipe in the present invention;

[0037] Figure 8 Schematic diagram of the structure of the first heat-conducting inner housing in the present invention;

[0038] Figure 9 Schematic diagram of the disassembly structure of the third connection component in the present invention;

[0039] Figure 10 Schematic diagram of the internal cross-section of the water cooler in the present invention;

[0040] Figure 11 Schematic diagram of the structure of the adjusting fine pipe in the present invention;

[0041] Figure 12 Schematic diagram of the structure of the water-cooled power supply in the present invention;

[0042] Figure 13 Schematic diagram of the distribution structure of the heat-conducting pipe body in the present invention;

[0043] Figure 14 Partial schematic diagram of the positions of the first ventilation groove and the heat-conducting pipe body in the present invention;

[0044] Figure 15 Schematic diagram of the structure of the second heat-conducting inner housing in the present invention.

[0045] In the figure:

[0046] 1. Power charging mechanism; 2. Heat dissipation and protection mechanism; 3. Current output box;

[0047] 31. Metal shielding cover; 32. Power cord; 33. Charging socket; 34. Connection end; 35. Connection end hole;

[0048] 4. Voltage control box; 5. First connection component;

[0049] 51. Protective outer housing;

[0050] 511. Metal heat-conducting frame; 5111. First ventilation groove; 5112. Second ventilation groove;

[0051] 512, fin slots;

[0052] 513, heat conduction tube body; 5131, connecting elbow; 5132, flow guiding groove opening; 5133, fluorinated polymer film; 5134, gas container; 5135, pressure relief valve;

[0053] 514, sealing slot;

[0054] 52, first heat conduction inner shell; 521, installation cavity; 522, first heat dissipation fin;

[0055] 53, second heat conduction inner shell; 531, second heat dissipation fin;

[0056] 6, second connection component; 7, third connection component;

[0057] 71, water cooler; 711, coolant; 712, refrigeration element; 713, check valve;

[0058] 714, heat exchange tube body; 7141, water body; 7142, dichloromethane;

[0059] 715, regulating capillary tube; 7151, impeller; 7152, micro motor; 7153, current induction switch;

[0060] 72, sealing plug board;

[0061] 73, water cooling power supply; 731, power display; 732, charging port; 733, status indicator light. Detailed implementation manners

[0062] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0063] The charger housing designs used in existing high-end industrial equipment usually incorporate multiple heat dissipation methods and fire prevention measures. The application of these designs fully demonstrates the importance of ensuring the safety and stability of equipment in complex environments. The modern industrial environment, especially extreme conditions such as high temperature, high humidity, and high dust, poses a severe challenge to the reliability of equipment. To address these challenges, multiple heat dissipation and fire prevention designs have become indispensable technical means.

[0064] In specific applications, the effectiveness of these designs has been proven multiple times. However, there are still some potential safety hazards. If not taken seriously, they may pose a threat to the safety of equipment and even personnel. For example:

[0065] In a high-temperature environment, if the heat generated inside the device cannot be dissipated in a timely and effective manner, it may cause overheating of internal components, which may further lead to equipment failure or spontaneous combustion. This is particularly evident in large-scale equipment that operates continuously for a long time. If the heat dissipation design is insufficient or the heat dissipation channels are blocked, the risk of overheating will increase significantly.

[0066] In a high-humidity environment, the accumulation of moisture inside the device housing may cause a short circuit in the internal circuit board, resulting in equipment damage or fire. Therefore, moisture-proof design measures such as sealed housings, the use of internal desiccants, and surface coating treatment of circuit boards are crucial.

[0067] In a flammable and explosive environment, if the fireproof design of the charger housing is not perfect, electrical faults inside the device may cause sparks, leading to explosions or fires. Such hazards are common in dangerous environments such as chemical plants and mines. Therefore, strict fireproof designs must be adopted, such as using flame-retardant materials, adding fireproof partitions, and automatic fire extinguishing devices.

[0068] Through multiple heat dissipation and fireproof designs, these hazards can be controlled and mitigated to a certain extent, but the design still needs to be continuously optimized and improved, especially during the application of new materials and new technologies to cope with more complex and changeable environmental challenges.

[0069] Embodiment 1: Please refer to Figures 1 to 14 , the present invention provides a technical solution for a charger housing with a closed metal type and high-efficiency heat dissipation:

[0070] It includes a power charging mechanism 1, and a heat dissipation and protection mechanism 2 is arranged outside the power charging mechanism 1. The power charging mechanism 1 includes a current output box 3, and a voltage control box 4 is arranged at one end of the current output box 3. The heat dissipation and protection mechanism 2 includes a first connection component 5, a second connection component 6 is connected to one end of the first connection component 5, and a third connection component 7 is also fixedly installed at the end of the first connection component 5 away from the second connection component 6;

[0071] The first connection component 5 includes a protective housing body 51, a first heat-conducting inner housing body 52 is fixedly connected inside the protective housing body 51. Two installation cavities 521 are opened inside the first heat-conducting inner housing body 52. A plurality of first heat dissipation fins 522 are also distributed around the outer wall of the first heat-conducting inner housing body 52. A metal heat-conducting frame 511 is installed inside the protective housing body 51. A plurality of fin slots 512 are opened around the inner wall of the metal heat-conducting frame 511. A heat-conducting tube body 513 is connected inside the metal heat-conducting frame 511. The heat-conducting tube body 513 is arranged in a reciprocating and curved manner inside the metal heat-conducting frame 511. Sealing slots 514 are also opened around both ends of the protective housing body 51;

[0072] The current output box 3 and the voltage control box 4 are respectively arranged inside the installation cavity 521. A plurality of groups of first heat dissipation fins 522 are arranged corresponding to a plurality of groups of fin slots 512, so as to be fixedly installed inside the protective outer shell 51 through the first heat conduction inner shell 52;

[0073] The third connection component 7 includes a water cooler 71. The inside of the water cooler 71 is filled with a coolant 711. Refrigeration elements 712 are installed on both sides of the inner wall of the water cooler 71. Two one-way valves 713 are installed in the middle of the water cooler 71. An exchange tube body 714 is arranged between the two one-way valves 713. The exchange tube body 714 is connected through the two one-way valves 713 to both ends of the heat conduction tube body 513 in a through manner. An adjusting thin tube 715 is further arranged in the middle of the exchange tube body 714; it should be noted that the heat conduction tube body 513 is arranged in a circulating and bending manner inside the metal heat conduction frame 511 (as Figure 13 shown), and both ends of the heat conduction tube body 513 extend into the inside of the water cooler 71 and are communicated with the exchange tube body 714 inside the water cooler 71 through two one-way valves 713. And according to the actual use requirements, corresponding sealing measures are ensured at the connection of the two (such as completing the connection through the cooperation of external fixing appliances and gaskets).

[0074] The inside of the exchange tube body 714 and the heat conduction tube body 513 are both filled with a water body 7141. The inside of the exchange tube body 714 and the heat conduction tube body 513 are also filled with dichloromethane 7142. Therefore, it can be understood as a mixed liquid of dichloromethane 7142 and the water body 7141.

[0075] During operation, the heat-conducting tube body 513 is connected to the heat-exchanging tube body 714 through two groups of one-way valves 713. The interiors of the heat-conducting tube body 513 and the heat-exchanging tube body 714 are both filled with a water body 7141 and an appropriate amount of dichloromethane 7142. When the high-temperature heat generated by the internal electrical components of the power charging mechanism 1 is transferred to the metal heat-conducting frame 511 through the first heat-conducting inner shell 52, the metal heat-conducting frame 511 can also conduct the heat to the water body 7141 and dichloromethane 7142 through the internally installed heat-conducting tube body 513, capable of dissipating the high-temperature heat generated by the internal electrical components of the power charging mechanism 1. The dichloromethane 7142 in this solution is in a liquid state at normal temperature and is insoluble in water. When the temperature rises to about 40 °C, it will vaporize, transform into a gaseous state, and gradually form a high pressure. Due to continuous heat absorption, the dichloromethane 7142 in the heat-conducting tube body 513 vaporizes due to the temperature increase at this time, and the internal air pressure increases, thereby squeezing the water body 7141 in the heat-conducting tube body 513 to make it flow into the interior of the low-pressure heat-exchanging tube body 714. The heat-conducting tube body 513 and the heat-exchanging tube body 714 form a closed loop through the one-way valve 713, and the water body 7141 and dichloromethane 7142 can circulate between the heat-conducting tube body 513 and the heat-exchanging tube body 714 according to the pressure difference (accelerating the heat absorption effect). When the water body 7141 and dichloromethane 7142 flow in the pipeline, the impact force generated by them drives the impeller 7151 inside the regulating capillary tube 715 to rotate, and the impeller 7151 drives the micro motor 7152 to rotate synchronously through transmission connection.

[0076] As an embodiment of the present invention, as Figures 5 to 7 shown, metal shielding covers 31 are installed on one side of both the current output box 3 and the voltage control box 4. One end of the current output box 3 is connected to a power cord 32. A charging socket 33 is further provided on one side of the current output box 3 close to the power cord 32. Two groups of connection ends 34 are connected to the inner sides of both the current output box 3 and the voltage control box 4. Two connection end holes 35 are respectively opened at one end of the two groups of metal shielding covers 31. The connection end holes 35 and the connection ends 34 are in plug-in fit. The installation cavity 521 is matched with the structure of the metal shielding cover 31, and the installation cavity 521 and the metal shielding cover 31 are in transitional fit.

[0077] A first ventilation groove 5111 is opened on one side of the metal heat-conducting frame 511 close to the fin slot 512, and a second ventilation groove 5112 is also penetrated between the first ventilation groove 5111 and the protective outer shell 51.

[0078] The heat-conducting tube body 513 includes multiple groups of connecting elbows 5131. A diversion groove opening 5132 is opened on one side of the multiple groups of connecting elbows 5131. The opening of the diversion groove opening 5132 is covered with a fluoropolymer film 5133. A gas receiver 5134 is arranged outside the diversion groove opening 5132, and a pressure relief valve 5135 is further arranged on one side outside the gas receiver 5134.

[0079] During operation, the heat dissipation and protection mechanism 2 is connected to the first heat-conducting inner housing 52 fixedly installed inside the protective outer housing 51. Since there is an interference fit between the installation cavity 521 and the metal shielding cover 31, and the metal shielding cover 31 is made of die-cast aluminum material, which is a high-strength and lightweight metal material with good thermal conductivity and corrosion resistance, the power charging mechanism 1 can be hermetically installed inside the heat dissipation and protection mechanism 2. Due to the use of die-cast aluminum material and fin structure, die-cast aluminum material of grade A380 can be selected, with a tensile strength of 270 - 370 MPa, a yield strength of 100 - 200 MPa, an elongation rate of 10% - 20%, and a hardness of 90 - 120 HB, having good mechanical properties and corrosion resistance; through the charger housing designed by the present invention, full sealing can be achieved. On the one hand, it can effectively protect the electronic components of the charger, and on the other hand, it can prevent dust or moisture from entering the inside of the charger, improving the waterproof and dustproof performance of the charger. The full-sealing design can also prevent the internal components of the charger from being directly exposed to the air, and at the same time, in cooperation with the heat dissipation measures of the equipment of the present invention, the service life of the charger is extended. The heat dissipation and protection mechanism 2 can also dissipate the high-temperature heat generated by the internal electrical components of the power charging mechanism 1 in the form of heat conduction through the first ventilation groove 5111 and the second ventilation groove 5112 opened in the metal heat-conducting frame 511.

[0080] As an embodiment of the present invention, as Figures 9 to 12 shown, sealing inserts 72 are provided around the periphery of one side of the water cooler 71 and the second connection assembly 6. The sealing inserts 72 are matched with the sealing slots 514 in structure, and there is a snap-fit between the sealing inserts 72 and the sealing slots 514. A water-cooled power supply 73 is also installed on the side of the water cooler 71 away from the sealing inserts 72.

[0081] An impeller 7151 is rotatably connected inside the adjusting tube 715. A micro motor 7152 is installed on the outer side of the adjusting tube 715. The output end of the micro motor 7152 is in transmission connection with the impeller 7151. A current induction switch 7153 is also provided on the top of the micro motor 7152.

[0082] A power display 731 is installed on the outer side of the water-cooled power supply 73. A charging port 732 is provided at the bottom of the water-cooled power supply 73 near the power display 731. Status indicator lights 733 are respectively connected to both sides of the charging port 732. The status indicator lights 733, the refrigeration element 712, and the current induction switch 7153 are all in electrical signal connection.

[0083] During operation, when the water body 7141 and dichloromethane 7142 circulate inside the heat-conducting tube body 513 and the heat-exchanging tube body 714 under the influence of the air pressure difference, since the impact force generated by the flowing water body 7141 and dichloromethane 7142 is greater than the frictional resistance of the impeller 7151, when the flowing water body 7141 and dichloromethane 7142 pass through the adjusting capillary tube 715, they can drive the impeller 7151 installed inside the adjusting capillary tube 715 to rotate. Moreover, the impeller 7151 is in transmission connection with the output end of the micro motor 7152. The rotating impeller 7151 can drive the micro motor 7152 to rotate synchronously. The micro motor 7152 uses a hand-cranked generator in the prior art. When the magnet on the rotor of the hand-cranked generator rotates, a changing magnetic field is generated around the stator coil, resulting in an induced electromotive force in the coil and generating an electric current. Cooperating with the current induction switch 7153 installed on the top of the micro motor 7152, and the status indicator light 733, the refrigeration element 712 and the current induction switch 7153 are all in electrical signal connection. The current induction switch 7153 can monitor the current generated by the micro motor 7152 and control the on / off states of the status indicator light 733 and the refrigeration element 712 according to the set current threshold value.

[0084] Embodiment 2: The present invention also provides a second heat-conducting inner shell 53, as Figure 15 shown. The difference from Embodiment 1 is the different positions and configurations of the heat-conducting inner shell and the heat dissipation fins installed thereon. Specifically, in actual production and application, there are various heat dissipation shells. For example, for the second heat-conducting inner shell 53 provided by the present invention, multiple second heat dissipation fins are provided on the second heat-conducting inner shell 53. Specifically, in the same way as above, the current output box 3 and the voltage control box 4 can also be installed in the second heat-conducting inner shell 53. The second heat-conducting inner shell 53 is provided with second heat dissipation fins 531. Similarly, based on the positions and configurations of the second heat-conducting inner shell 53 and the second heat dissipation fins 531, the arrangement, positions and sizes of the protective shell 51 and the heat-conducting tube body 513 inside the protective shell body 51 and the configurations, sizes and position distributions of other cooperating technical features are adaptively modified to meet the use of the second heat-conducting inner shell 53 and the second heat dissipation fins 531 of the present invention. Based on the technical ideas, principles and spirits of the present invention, the present invention is applicable to heat dissipation shells and heat dissipation fins with different configurations to achieve the rationality, applicability and novelty of the overall technical solution. The present invention is not limited to any configuration of the heat dissipation shell, the shape of the heat dissipation fins and the set positions. Although the embodiments of the present invention have been shown and described, for those skilled in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

[0085] Working principle: 1. When the power charging device is used in a normal temperature environment:

[0086] The charger housing designed in the present invention is composed of a power charging mechanism 1 and a heat dissipation and protection mechanism 2. The heat dissipation and protection mechanism 2 includes a first connection component 5, a second connection component 6, and a third connection component 7. The first heat-conducting inner housing 52 of the protective outer housing 51 is tightly connected to the power charging mechanism 1 to form a closed structure. The metal shielding cover 31 is made of die-cast aluminum material, with high strength, light weight, good thermal conductivity, and corrosion resistance. Through the first ventilation slots 5111 and the second ventilation slots 5112 on the metal heat-conducting frame 511, the high-temperature heat inside the power charging mechanism 1 can be communicated with the outside air through heat conduction for spontaneous heat dissipation. This heat dissipation method can meet the heat dissipation requirements of the charger at normal temperature, ensure that the device maintains a stable temperature during normal operation, and avoid overheating.

[0087] 2. When the power charging device is used in a high-temperature environment:

[0088] When a large amount of heat is generated by the electronic components inside the power charging mechanism 1 and the temperature rises to a level where it cannot be dissipated in time through spontaneous heat dissipation, the heat conduction system in the heat dissipation and protection mechanism 2 starts to perform secondary heat absorption and cooling treatment. At this time, the metal heat-conducting frame 511 conducts the heat to the water body 7141 and dichloromethane 7142 through the heat-conducting tube body 513. Dichloromethane 7142 is in a liquid state at normal temperature. When the temperature rises to about 40 °C, dichloromethane 7142 vaporizes to form high pressure, and the water body 7141 is squeezed into the low-pressure heat exchange tube body 714 through the pressure difference. The water body 7141 and dichloromethane 7142 circulate between the heat-conducting tube body 513 and the heat exchange tube body 714 through the one-way valve 713, further improving the heat dissipation efficiency. When dichloromethane 7142 vaporizes and flows with the water body 7141, the impact force generated by the flow drives the impeller 7151 to rotate, driving the micro-motor 7152 to generate electricity. The current induction switch 7153 controls the operation of the status indicator light 733 and the refrigeration element 712 according to the current. After the refrigeration element 712 is turned on, it can cool the coolant 711 to accelerate the heat dissipation process.

[0089] 3. When the power charging device is used in an ultra-high temperature environment:

[0090] In the case where the temperature of the power charging mechanism 1 rises sharply due to faults such as overheating or short - circuit, the internal temperature may rise rapidly, exceeding the conventional heat dissipation capacity of the heat dissipation protection mechanism. At this time, the dichloromethane 7142 in the heat conduction tube body 513 quickly vaporizes and expands, forming a higher air pressure. When the gaseous dichloromethane 7142 cannot be effectively cooled back to the liquid state, it will pass through the fluorinated polymer membrane 5133, enter the gas collection container 5134, and be released through the pressure relief valve 5135. This high - density gaseous dichloromethane 7142 can form a gas layer that isolates oxygen inside the charger, thus effectively inhibiting the combustion and spread of flames. At the same time, the volatility of gaseous dichloromethane gives it a strong heat absorption capacity, which can further reduce the local temperature, achieve the fire - extinguishing effect, and prevent the spread of the fire. In addition, dichloromethane 7142 has good chemical stability, which can reduce the risk of chemical reactions or accidents, meet the heat dissipation requirements of the charging device under ultra - high temperature conditions, and ensure the safety of the device.

[0091] It should be noted that the pressure relief value of the pressure relief valve 5135 is preset. The fluorinated polymer membrane 5133 uses a polytetrafluoroethylene membrane in the prior art. The fluorinated polymer membrane has strong hydrophobicity and chemical stability, enabling it to effectively block the penetration of the water body 7141 and liquid dichloromethane 7142. Moreover, the fluorinated polymer membrane also has a microporous structure and high air permeability, allowing the high - pressure gaseous dichloromethane 7142 to enter the interior of the gas collection container 5134.

Claims

1. A sealed metal charger housing with high efficiency heat dissipation, comprising a power charging mechanism, a heat dissipation protection mechanism is arranged outside the power charging mechanism, the power charging mechanism comprises a current output box, a voltage control box is arranged at one end of the current output box, characterized in that: The heat dissipation protection mechanism comprises a first connecting component, one end of the first connecting component is connected to the second connecting component, and the end of the first connecting component away from the second connecting component is also fixedly mounted with a third connecting component; The first connection assembly includes a protective outer shell, a first heat-conducting inner shell is fixedly connected to the interior of the protective outer shell, two groups of installation cavities are opened inside the first heat-conducting inner shell, multiple groups of first heat dissipation fins are distributed around the outer wall of the first heat-conducting inner shell, a metal heat-conducting frame is installed inside the protective outer shell, multiple groups of fin slots are opened around the inner wall of the metal heat-conducting frame, a heat-conducting pipe body is connected to the interior of the metal heat-conducting frame, and the heat-conducting pipe body is arranged in a reciprocating bending manner inside the metal heat-conducting frame, and sealing slots are opened around both ends of the protective outer shell; The current output box and the voltage control box are respectively arranged inside the installation cavity, and the plurality of groups of the first heat dissipation fins are arranged corresponding to the plurality of groups of fin slots so as to be fixedly installed inside the protective outer shell through the first heat-conducting inner shell; The third connection assembly includes a water cooler, the interior of the water cooler is filled with coolant, refrigeration elements are installed on both sides of the inner wall of the water cooler, two groups of one-way valves are installed in the middle of the water cooler, a heat exchange tube body is arranged between the two groups of one-way valves, the heat exchange tube body is connected with both ends of the heat conduction tube body through the two groups of one-way valves, and an adjusting capillary is also arranged in the middle of the heat exchange tube body; The interiors of the heat exchange tube body and the heat conduction tube body are filled with water and dichloromethane; The heat-conducting pipe body includes a plurality of connecting elbows, one side of each of which is provided with a flow guide slot, the opening of each of which is covered with a fluorinated polymer film, a gas container is disposed outside the flow guide slot, and a pressure relief valve is also disposed on the outer side of the gas container.

2. A sealed metal charger housing with high efficiency heat dissipation according to claim 1, characterized in that: A metal shielding cover is installed on one side of the current output box and the voltage control box, a power cord is connected to one end of the current output box, and a charging socket is also provided on the side of the current output box close to the power cord. Two groups of connection terminals are connected to the inner sides of the current output box and the voltage control box, and two groups of connection terminal holes are respectively opened at one end of the two groups of metal shielding covers, and the connection terminal holes are plug-fitted with the connection terminals, the installation cavity matches the metal shielding cover structure, and the installation cavity and the metal shielding cover are transitionally matched.

3. The sealed metal charger housing with high efficiency heat dissipation according to claim 1, characterized in that: A first ventilation slot is provided on one side of the metal heat-conducting frame close to the fin slot, and a second ventilation slot is provided between the first ventilation slot and the protective outer shell.

4. The sealed metal charger housing with high efficiency heat dissipation according to claim 1, characterized in that: The water cooler and one side of the second connecting component are all surrounded by sealing plug plates, the sealing plug plates match the sealing slot structure, the sealing plug plates and the sealing slot are snap-fitted, and a water-cooled power supply is also installed on the side of the water cooler away from the sealing plug plates.

5. The sealed metal charger housing with high efficiency heat dissipation according to claim 4, characterized in that: The inner part of the regulating capillary is rotatably connected with an impeller, a micro motor is installed on the outer side of the regulating capillary, an output end of the micro motor is transmission-connected to the impeller, and a current sensing switch is also arranged on the top of the micro motor.

6. The sealed metal charger housing with high efficiency heat dissipation according to claim 5, characterized in that: A power display is installed on the outside of the water-cooled power supply. A charging port is set at the bottom of one side of the water-cooled power supply close to the power display. Status indicator lights are respectively connected to both sides of the charging port. The status indicator lights, the cooling element and the current sensing switch are all connected by electrical signals.

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