Automobile charging pile connector cooling mechanism

By combining a water pump circulating condenser and a fan system to create a cooling mechanism, the high temperature problem at the charging pile connector is solved, achieving safe and reliable temperature control and equipment protection.

CN223864705UActive Publication Date: 2026-02-03HEFEI JISHUN NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202422586841.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2026-02-03
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

Existing charging pile connectors, when charging at high power, rely solely on the blower assembly to supply outside air for cooling, which is ineffective and leads to excessively high temperatures, posing a safety hazard.

Method used

The cooling mechanism combines a water pump circulating condenser and a fan system, cooling through heat conduction and convection. It uses a temperature sensor and PLC controller for automatic adjustment, and a filter screen protection system to prevent small animals from entering.

Benefits of technology

It effectively reduces the temperature of the charging pile connector, improves charging efficiency, extends equipment life, and prevents small animals from entering and protecting internal components.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223864705U_ABST
    Figure CN223864705U_ABST
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Abstract

The utility model relates to the field of charging pile heat dissipation, and discloses an automobile charging pile connector cooling mechanism which comprises a shell, a water pump is installed on the inner bottom face of the shell, a condenser is installed on the inner bottom face of the shell, a supporting block is installed on the inner bottom face of the shell, and a water tank is installed on the top face of the supporting block. A fixing hole is formed in the left side of the water tank, a condensation pipe is arranged in the water tank, one end of the condensation pipe penetrates through the fixing hole and is fixedly communicated with the condenser, a water outlet hole is formed in the right lower side of the water tank, a water outlet pipe is installed in the water outlet hole, and a water inlet hole is formed in the right upper side of the water tank. According to the utility model, water in the water tank is continuously circulated by the water outlet pipe and the water inlet pipe through the water pump, heat on the charging wire is transferred out in a heat conduction mode, and the heat on the charging wire can be taken away by water circulation of the water tank in the shell.
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Description

Technical Field

[0001] This utility model relates to the field of heat dissipation technology for charging piles, specifically a cooling mechanism for the connector of an automobile charging pile. Background Technology

[0002] As a promising green transportation tool, new energy vehicles are becoming increasingly popular. Charging stations, as a crucial supporting facility, play a vital role in the entire charging process, and their performance and stability are paramount. During charging station operation, the heat generated by the current flowing through the station can cause the connector temperature to rise, affecting charging efficiency, potentially damaging the equipment, and even leading to safety accidents. Therefore, to ensure the safety and stability of the charging process, a vehicle charging station connector cooling mechanism has been developed. This mechanism is designed to effectively reduce the temperature of the connector, improve charging efficiency, and extend the equipment's lifespan.

[0003] According to Chinese Patent No. CN220764111U, a cooling mechanism for a charging pile connector includes a housing and a charging gun disposed on the side of the housing. The side wall of the housing is provided with a heat dissipation structure that can be fixed and cools the charging gun. The heat dissipation structure includes an external box, a blower assembly, a limiting part, and wing plates. The external box is fixedly connected to the housing. The blower assembly is installed on the side wall of the housing and blows air into the housing cavity. The limiting part is fixedly installed inside the housing cavity. The charging gun is inserted into the limiting part. Several wing plates are provided on the wall of the limiting part.

[0004] In the above solution, the blower assembly sends outside cold air into the outer box and impacts each wing plate. The wing plates increase the contact area between the charging gun placed in the limiting part and the cold air. However, the above solution still has the following disadvantages: Although this method can cool down the charging pile connector to a certain extent, the circuit of the charging pile connector will become too hot when the charging power is too high. If only the blower assembly is used to send outside air into the outer box, the cooling effect may be poor. Utility Model Content

[0005] The purpose of this invention is to provide a cooling mechanism for car charging pile connectors, in order to solve the problem that when the charging power is too high, the circuit of the charging pile connector will become too hot. If only the blower assembly is used to send outside air into the external box, the cooling effect may be poor.

[0006] To achieve the above-mentioned utility model objectives, the present utility model adopts the following technical solution: a cooling mechanism for a car charging pile connector, comprising a housing, a water pump installed on the inner bottom surface of the housing, a condenser installed on the inner bottom surface of the housing, a support block installed on the inner bottom surface of the housing, a water tank installed on the top surface of the support block, a fixing hole opened on the left side of the water tank, a condenser pipe installed inside the water tank, one end of the condenser pipe passing through the fixing hole and connected and fixed to the condenser, a water outlet opened on the lower right side of the water tank, an water outlet pipe installed inside the water outlet, and a water inlet opened on the upper right side of the water tank, an water inlet pipe installed inside the water inlet.

[0007] Preferably, a temperature sensor is installed on one side of the water tank, and the detection end of the temperature sensor is inserted into the water tank. A PLC controller is installed on the inner wall of one side of the outer casing. Several air inlet slots are opened on the rear side of the outer casing. A fixing frame is installed on the inner wall of the air inlet slots. A drive motor is installed on the fixing frame. A fan blade is installed on the output end of the drive motor. Several first filters are installed on the rear side of the outer casing, and the first filters correspond to the several air inlet slots.

[0008] Preferably, two air outlet slots are provided on the front of the outer casing, and a second filter screen is installed on the outer wall of the two air outlet slots.

[0009] Preferably, a third fixing strip is installed on the inner rear wall of the outer casing, the water inlet pipe is connected to the third fixing strip, a second fixing strip is installed on the inner rear wall of the outer casing, and the water outlet pipe is connected to the second fixing strip.

[0010] Preferably, two fixing holes are provided on the top surface of the outer casing, and the water outlet pipe and the water inlet pipe are connected to the two fixing holes in sequence.

[0011] Preferably, a fixing plate is installed on the bottom of the outer casing, and a first fixing strip is installed on the fixing plate.

[0012] Compared with existing technologies, the vehicle charging pile connector cooling mechanism that adopts the above technical solution has the following beneficial effects:

[0013] 1. During use, the water in the tank is continuously circulated by the water pump through the outlet and inlet pipes, transferring heat from the charging cable through heat conduction. The temperature sensor monitors the internal temperature of the casing. When the internal temperature of the water tank exceeds a preset threshold, the temperature sensor sends a signal to the PLC controller. Upon receiving the signal, the PLC controller issues a start command. This command activates the condenser, which lowers the water temperature by inserting the condenser tube into the water in the tank. The water in the tank is then continuously circulated by the water pump through the outlet and inlet pipes. This water circulation within the casing effectively removes heat from the charging cable.

[0014] II. During use, when the temperature of the water tank inside the casing cannot be lowered by the condenser, the temperature sensor sends a signal to the PLC controller. Upon receiving the signal, the PLC controller issues a start command, activating the drive motor. The drive motor, through the rotating fan blades, continuously blows outside air towards the water tank to achieve cooling. When the temperature inside the casing drops to a safe range, the temperature sensor sends a signal to the PLC controller again. Upon receiving the signal, the PLC controller issues a pause command, causing the drive motor and condenser to stop working. When the temperature inside the casing exceeds a preset threshold, the drive motor and condenser resume operation, thereby saving electricity.

[0015] Thirdly, during use, a first filter is installed at the air inlet and a second filter is installed at the air outlet to intercept rodents or other small animals, preventing them from entering the casing and protecting the internal parts from damage. Workers can disassemble the unit through the first and second filters, facilitating regular maintenance of the drive motor and fan blades. Attached Figure Description

[0016] Figure 1 This is a perspective view of an embodiment.

[0017] Figure 2 This is a schematic diagram showing the disassembly of the water tank in an embodiment.

[0018] Figure 3 This is a split schematic diagram of the air inlet slot in an embodiment.

[0019] Figure 4 This is a schematic diagram of the disassembly of the air outlet duct in an embodiment.

[0020] In the diagram: 1. Outer casing; 2. Water pump; 3. Condenser; 4. Support block; 5. Water tank; 6. Condenser pipe; 7. Fixing hole; 8. Water outlet; 9. Water inlet; 10. Water inlet pipe; 11. Water outlet pipe; 12. Temperature sensor; 13. PLC controller; 14. Air inlet slot; 15. Air outlet slot; 16. Drive motor; 17. Fan blade; 18. Fixing frame; 19. First filter screen; 20. Third fixing strip; 21. Second fixing strip; 22. Fixing plate; 23. First fixing strip; 24. Second filter screen; 25. Connection hole. Detailed Implementation

[0021] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0022] like Figures 1-4As shown, a cooling mechanism for a car charging pile connector includes a housing 1, a water pump 2 installed on the inner bottom surface of the housing 1, a condenser 3 installed on the inner bottom surface of the housing 1, a support block 4 installed on the inner bottom surface of the housing 1, a water tank 5 installed on the top surface of the support block 4, a fixing hole 7 opened on the left side of the water tank 5, a condenser pipe 6 installed inside the water tank 5, one end of the condenser pipe 6 passing through the fixing hole 7 and connected and fixed to the condenser 3, a water outlet 8 opened on the lower right side of the water tank 5, a water outlet pipe 11 installed inside the water outlet 8, and a water inlet 9 opened on the upper right side of the water tank 5, a water inlet pipe 10 installed inside the water inlet 9.

[0023] During use, the water outlet pipe 11 and the water inlet pipe 10 continuously circulate the water in the water tank 5 through the water pump 2, transferring heat from the charging cable through heat conduction. The temperature sensor 12 monitors the internal temperature of the outer casing 1. When the internal temperature of the water tank 5 exceeds a preset threshold, the temperature sensor 12 sends a signal to the PLC controller 13. Upon receiving the signal from the temperature sensor 12, the PLC controller 13 issues a start command. This command activates the condenser 3, which lowers the water temperature by inserting the condenser pipe 6 into the water in the water tank 5. The water in the water tank 5 is then continuously circulated by the water pump 2 through the water outlet pipe 11 and the water inlet pipe 10. At this time, the water circulation in the water tank 5 inside the outer casing 1 can remove the heat from the charging cable.

[0024] like Figures 1-4 As shown, a temperature sensor 12 is installed on one side of the water tank 5, and the detection end of the temperature sensor 12 is inserted into the water tank 5. A PLC controller 13 is installed on the inner wall of one side of the outer casing 1. Several air inlet slots 14 are opened on the rear side of the outer casing 1. A fixing frame 18 is installed on the inner wall of the air inlet slot 14. A drive motor 16 is installed on the fixing frame 18. A fan blade 17 is installed on the output end of the drive motor 16. Several first filters 19 are installed on the rear side of the outer casing 1, and the first filters 19 correspond to the several air inlet slots 14.

[0025] During operation, when the temperature of the water tank 5 inside the casing 1 cannot be reduced by the condenser 3, the temperature sensor 12 sends a signal to the PLC controller 13. Upon receiving the signal, the PLC controller 13 issues a start command, activating the drive motor 16. The drive motor 16, through the rotating fan blades 17, continuously blows outside air towards the water tank 5 to achieve cooling. When the temperature inside the casing 1 drops to a safe range, the temperature sensor 12 sends a signal to the PLC controller 13 again. Upon receiving the signal, the PLC controller 13 issues a pause command, causing the drive motor 16 and the condenser 3 to stop working. When the temperature inside the casing 1 exceeds a preset threshold, the drive motor 16 and the condenser 3 resume operation, thereby saving electricity.

[0026] like Figures 1-4As shown, two air outlet slots 15 are opened on the front of the outer casing 1, and a second filter screen 24 is installed on the outer wall of the two air outlet slots 15. A third fixing strip 20 is installed on the inner rear wall of the outer casing 1, and the water inlet pipe 10 is connected to the third fixing strip 20. A second fixing strip 21 is installed on the inner rear wall of the outer casing 1, and the water outlet pipe 11 is connected to the second fixing strip 21. Two connecting holes 25 are opened on the top surface of the outer casing 1, and the water outlet pipe 11 and the water inlet pipe 10 are connected to the two connecting holes 25 in sequence. A fixing plate 22 is installed on the bottom of the outer casing 1, and a first fixing strip 23 is installed on the fixing plate 22.

[0027] During use, a first filter 19 is installed at the air inlet slot 14, and a second filter 24 is installed at the air outlet slot 15 to intercept rodents or other small animals, preventing them from entering the interior of the casing 1 and protecting the interior from damage. Workers can disassemble the first filter 19, facilitating regular maintenance of the fan blades 17.

[0028] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A cooling mechanism for a car charging station connector, comprising a housing (1), characterized in that, A water pump (2) is installed on the inner bottom surface of the outer shell (1), a condenser (3) is installed on the inner bottom surface of the outer shell (1), a support block (4) is installed on the inner bottom surface of the outer shell (1), a water tank (5) is installed on the top surface of the support block (4), a fixing hole (7) is opened on the left side of the water tank (5), a condenser pipe (6) is installed inside the water tank (5), one end of the condenser pipe (6) passes through the fixing hole (7) and is connected and fixed to the condenser (3), a water outlet hole (8) is opened on the lower right side of the water tank (5), a water outlet pipe (11) is installed inside the water outlet hole (8), a water inlet hole (9) is opened on the upper right side of the water tank (5), and a water inlet pipe (10) is installed inside the water inlet hole (9).

2. The vehicle charging pile connector cooling mechanism according to claim 1, characterized in that: A temperature sensor (12) is installed on one side of the water tank (5), and the detection end of the temperature sensor (12) is inserted into the water tank (5). A PLC controller (13) is installed on the inner wall of one side of the outer shell (1). Several air inlet slots (14) are opened on the rear side of the outer shell (1). A fixing frame (18) is installed on the inner wall of the air inlet slot (14). A drive motor (16) is installed on the fixing frame (18). A fan blade (17) is installed on the output end of the drive motor (16). Several first filters (19) are installed on the rear side of the outer shell (1). The first filters (19) correspond to the several air inlet slots (14).

3. The vehicle charging pile connector cooling mechanism according to claim 1, characterized in that: Two air outlet slots (15) are provided on the front of the outer casing (1), and a second filter screen (24) is installed on the outer wall of the two air outlet slots (15).

4. The vehicle charging pile connector cooling mechanism according to claim 1, characterized in that: A third fixing strip (20) is installed on the inner rear wall of the outer casing (1), and the water inlet pipe (10) is connected to the third fixing strip (20). A second fixing strip (21) is installed on the inner rear wall of the outer casing (1), and the water outlet pipe (11) is connected to the second fixing strip (21).

5. The vehicle charging pile connector cooling mechanism according to claim 1, characterized in that: Two connection holes (25) are provided on the top surface of the outer shell (1), and the water outlet pipe (11) and the water inlet pipe (10) are connected to the two connection holes (25) in sequence.

6. The vehicle charging pile connector cooling mechanism according to claim 1, characterized in that: A fixing plate (22) is installed on the bottom of the outer shell (1), and a first fixing strip (23) is installed on the fixing plate (22).

Citation Information

Patent Citations

  • Charging pile connector cooling mechanism

    CN220764111U