Integrated charging gun liquid cooling device

Abstract

The utility model discloses an integrated charging gun liquid cooling device, which belongs to the technical field of charging gun cooling, is used for cooling a charging gun wire, and comprises a liquid storage component, and the liquid storage component is communicated with the charging gun wire and is used for storing a cooling medium; the heat dissipation component is positioned at the bottom of the liquid storage component and is communicated with the liquid storage component; and the power part is positioned in the liquid storage part and is used for driving the cooling medium to circularly flow. All the components are integrated on the heat dissipation component in a direct and indirect mode, the arrangement mode is simple in overall structure, connectors and connecting pipes between all the components can be saved, therefore, the occupied space and the manufacturing cost are further reduced, the structure is more compact, and meanwhile the overall attractiveness of the device can be greatly improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of charging gun cooling, in particular to an integrated charging gun liquid cooling device. BACKGROUND

[0002] With the continuous expansion of the electric vehicle market and the increasing demand for charging, liquid cooling charging gun technology will play an increasingly important role in the future. Liquid cooling charging gun technology will further improve charging efficiency and safety to meet the demand of electric vehicle owners for fast charging; its principle is to effectively remove heat generated during the charging process through a liquid circulation system to achieve fast and stable charging; the liquid cooling charging gun usually contains a small-diameter cable, which internally integrates a liquid cooling cable (including DC+, DC-, one ground wire and several signal lines) and a cooling liquid circulation system. The cooling liquid is generally driven by a circulating pump and circulates inside the liquid cooling cable to remove heat generated during the charging process, ensuring stable charging gun body temperature and improving charging efficiency and safety.

[0003] As Figure 1 , the existing liquid cooling device of the charging gun needs to be provided with a connecting joint and a connecting pipe to communicate with each other between the liquid storage part 1, the power part 3 and the heat dissipation part 2, which not only leads to a complex overall structure, but also increases the overall volume, and the overall structure arrangement is messy and not beautiful. CONTENT OF THE INVENTION

[0004] The application provides an integrated liquid cooling device for a charging gun to solve the problems of complex structure and high space occupancy of the existing liquid cooling device for a charging gun. The following technical solutions are adopted:

[0005] The integrated liquid cooling device for a charging gun is used for heat dissipation of a charging gun cable and comprises a liquid storage part, which is in communication with the charging gun cable and is used for storing a cooling medium.

[0006] A heat dissipation part is arranged at the bottom of the liquid storage part and is in communication with the liquid storage part.

[0007] A power part is arranged in the liquid storage part and is used for driving the cooling medium to circulate and flow.

[0008] Preferably, a partition plate is arranged in the liquid storage part, which divides the liquid storage part into a first liquid storage tank and a second liquid storage tank connected with the inlet and outlet of the heat dissipation part, respectively.

[0009] Preferably, the liquid storage part is respectively provided with an inlet and an outlet connected with the charging gun cable.

[0010] Preferably, the power part is arranged in the second liquid storage tank.

[0011] Preferably, at least one air guiding component is further installed outside the heat dissipating component.

[0012] Preferably, the heat dissipating component is a heat exchanger.

[0013] Preferably, a detecting component is further included for detecting the temperature of the cooling medium in the first and second liquid storage tanks respectively.

[0014] Preferably, a liquid level switch and an air exhaust valve are further provided on the liquid storage component, and the air exhaust valve is used for exhausting air in the liquid storage component.

[0015] An observing component is used for observing the liquid level of the cooling medium in the liquid storage component.

[0016] Preferably, a control component is further included, which is arranged on the side of the heat dissipating component and located on one side of the liquid outlet.

[0017] Preferably, a handle component is further included, which is arranged outside the liquid storage component.

[0018] The beneficial effects of the present application compared with the prior art are:

[0019] The components are integrated on the heat dissipating component in a direct or indirect manner, which has a simple overall structure, can save the connection heads and connection pipes between the components, has a more compact structure, thereby reducing the occupied space and manufacturing cost, and greatly improving the overall appearance of the device. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structural schematic view of the prior art;

[0021] Figure 2 is a front view of the present application;

[0022] Figure 3 is a right view of the present application;

[0023] Figure 4 is a partial sectional view of the present application Figure 2 .

[0024] In the drawings:

[0025] 1. liquid storage component, 10. partition, 11. first liquid storage tank, 12. second liquid storage tank; 100. liquid inlet, 200. liquid outlet;

[0026] 2. heat dissipating component;

[0027] 3. power component, 31. mounting flange;

[0028] 4. air guiding component;

[0029] 5. detection means, 51 first detection means, 52 second detection means;

[0030] 6. control means; 7. exhaust valve, 8. observation means, 9. liquid level switch. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings of the present application. Obviously, the embodiments described in the present application are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Reference Figures 1 to 4 The present application is further described as follows:

[0033] The integrated charging gun liquid cooling device is used for cooling the charging line, which comprises a liquid storage part 1, a heat dissipation part 2 and a power part 3. The liquid storage part 1 is communicated with the charging gun line for storing cooling medium. The heat dissipation part 2 is located at the bottom of the liquid storage part 1 and is communicated with the liquid storage part 1 for cooling the cooling medium in the liquid storage part 1. The power part 3 is located in the liquid storage part 1 and is used for circulating the cooling medium. The cooling medium can be water, silicon oil or other cooling medium. The power part 3 can be arranged in the liquid storage part 1 through the mounting flange 31.

[0034] Compared with the prior art, the arrangement of the present application does not need additional connecting pipes between the parts, saves the connecting joint and connecting pipe between the liquid storage part 1 and the heat dissipation part 2, has a more compact overall structure, further reduces the space occupied by the device as a whole, has a reasonable overall structure arrangement, and has a more beautiful appearance.

[0035] In the embodiment, the liquid storage part 1 is provided with a partition plate 10, which divides the liquid storage part 1 into a first liquid storage tank 11 and a second liquid storage tank 12 connected with the inlet and outlet of the heat dissipation part 2 respectively. The partition plate 10 can be a heat insulation plate for blocking the flow and heat exchange of the cooling medium in the first liquid storage tank 11 and the second liquid storage tank 12.

[0036] The first liquid storage tank 11 is provided with an inlet 100, and the second liquid storage tank 12 is provided with an outlet 200, the inlet 100 and the outlet 200 are respectively communicated with the charging gun wire to form a liquid cooling circuit; the cooling medium (hot medium) after heat exchange of the charging gun wire enters the first liquid storage tank 11 through the inlet 100, and the second liquid storage tank 12 is used for receiving the cooling medium (cold medium) after heat dissipation of the heat dissipation component 2; the outlet 200 and the second liquid storage tank 12 are communicated through the power component 3; the first liquid storage tank 11 and the second liquid storage tank 12 can store the hot medium and the cold medium separately, and can supplement the cooling medium in the liquid cooling circuit in time during operation, so as to avoid the influence of the lack of cooling medium on the cooling effect of the charging gun wire.

[0037] The inlet 100 and the outlet 200 each include a plurality of joints for connecting with the charging gun wire, and the number of the joints is not limited and can be increased or decreased according to the use condition.

[0038] It can be understood that the first liquid storage tank 11, the heat dissipation component 2, the second liquid storage tank 12 and the power component 3 are connected in sequence and communicated with the charging gun wire through the inlet 100 and the outlet 200 to form a closed-loop liquid cooling circuit.

[0039] During operation, the power component 3 drives the cooling medium to circulate in the liquid cooling circuit, the heat of the charging gun wire is taken away by the cooling medium and flows into the first liquid storage tank 11, when the cooling medium in the first liquid storage tank 11 passes through the heat dissipation component 2, the heat is dissipated to the air and the temperature of the cooling medium is reduced, and the cooling medium flows back to the second liquid storage tank 12 for driving circulation by the power component.

[0040] The power component 3 is arranged in the second liquid storage tank 12. The second liquid storage tank 12 stores the cold medium, and the power component 3 can avoid overheating and damage during operation, thereby improving the overall service life.

[0041] At least one air guiding component 4 is further arranged outside the heat dissipation component 2. The air guiding component 4 can be a fan, which can reduce the cost under the premise of meeting the heat dissipation requirement; the fan can be in the form of air suction or air blowing to forcibly exchange heat with the heat dissipation component 2, thereby improving the heat dissipation efficiency of the heat dissipation component 2 and further improving the heat dissipation and cooling effect of the charging gun wire.

[0042] In this embodiment, the heat dissipation component 2 is a heat exchanger for exchanging heat with the flowing air outside to reduce the temperature of the cooling medium flowing inside.

[0043] Also include detection components 5, said detection components 5 for detecting the temperature of the cooling medium in the first liquid tank 11 and the second liquid tank 12 respectively. Wherein, the detection components 5 include a first detection component 51 for detecting the temperature of the cooling medium in the first liquid tank 11, and a second detection component 52 for detecting the temperature of the cooling medium in the second liquid tank 12; the first detection component 51 and the second detection component 52 are both temperature sensors.

[0044] The liquid storage component 1 is also provided with a liquid level switch 9 and an exhaust valve 7, said exhaust valve 7 is used to remove the air in the liquid storage component 1; the setting of the exhaust valve 7 can timely discharge the air in the liquid storage component 1, avoid the air carried in the cooling medium flowing in the liquid cooling circuit, and improve the heat dissipation effect of the charging gun line.

[0045] Also include observation components 8, said observation components 8 are liquid level observation tubes, used for observing the liquid level of the cooling medium in the liquid storage component 1. In order for the user to master the liquid level of the cooling medium in the liquid storage component 1 in real time; in order to ensure that the device can operate stably.

[0046] Also include control components 6, said control components 6 are provided on the side of the heat dissipation component 2, located on one side of the liquid outlet 200; because the temperature on one side of the liquid outlet 200 is lower, it can protect the control components 6 from overheating damage. The control components 6 control the power components 3 and the air guiding components 4 to work according to the feedback temperature of the detection components 5; in order to ensure the heat dissipation effect.

[0047] In order to facilitate the carrying of the device; also include handle components, said handle components are provided outside the liquid storage component 1; through the handle components, the integrated charging gun liquid cooling device can be easily carried or moved.

Claims

1. An integrated charging gun liquid cooling device is used to dissipate heat from the charging gun wires. It features: A liquid storage component is included, the liquid storage component is connected to the charging gun line and is used to store cooling medium; a heat dissipation component located at the bottom of the liquid storage component, the heat dissipation component being in communication with the liquid storage component; A power component is located in the liquid storage component, and the power component is used to drive the cooling medium to circulate.

2. The integrated charging gun liquid cooling device according to claim 1, characterized in that: A partition is provided in the liquid storage component, and the partition divides the liquid storage component into a first liquid storage tank and a second liquid storage tank respectively connected to the inlet and outlet of the heat dissipation component.

3. The integrated charging gun liquid cooling device according to claim 1, characterized in that: The liquid storage component is respectively provided with a liquid inlet and a liquid outlet connected to the charging gun line.

4. The integrated charging gun liquid cooling device according to claim 2, characterized in that: The power component is arranged in the second liquid storage tank.

5. The integrated charging gun liquid cooling device according to claim 1, characterized in that: At least one air inducing component is further installed outside the heat dissipation component.

6. The integrated charging gun liquid cooling device according to claim 1, characterized in that: The heat dissipation component is a heat exchanger.

7. The integrated charging gun liquid cooling device according to claim 2, characterized in that: It also includes a detection component, which is used to detect the temperature of the cooling medium in the first liquid storage tank and the second liquid storage tank respectively.

8. The integrated charging gun liquid cooling device according to claim 1, characterized in that: The liquid storage component is also provided with a liquid level switch and an exhaust valve, and the exhaust valve is used to remove the air in the liquid storage component; An observation component is used to observe the liquid level of the cooling medium in the liquid storage component.

9. The integrated charging gun liquid cooling device according to claim 3, characterized in that: It also includes a control component, which is arranged on the side of the heat dissipation component and located on one side of the liquid outlet.

10. The integrated charging gun liquid cooling device according to claim 1, characterized in that: It also includes a handle component, which is arranged outside the liquid storage component.

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