Liquid-cooled electric vehicle charging pile

Abstract

The utility model discloses a liquid-cooled electric automobile charging pile, which comprises a cabinet and a refrigerating machine, the refrigerating machine is arranged at the top of the cabinet, the front side and the rear side of the cabinet are respectively provided with a front door and a rear door, and a liquid-cooled charging module, a power distribution module, an input bus copper bar, a wire inlet switch and a direct-current bus are arranged in the cabinet. The liquid cooling charging module, the power distribution module, the input bus copper bar and the wire inlet switch are all close to the front door, the direct current bus is close to the rear door, and a cooling liquid inlet and a cooling liquid outlet of the refrigerating machine are communicated with an inlet and an outlet of the liquid cooling charging module through a fluid pipeline. According to the utility model, the heat exchange and conduction speed can be improved, and the internal layout of the cabinet is reasonable.

Description

Technical Field

[0001] The utility model relates to a non-vehicle-mounted charging pile for an electric vehicle, in particular to a liquid-cooled electric vehicle charging pile. Background Art

[0002] With the development of electric vehicle technology, non-on-board charging piles have also become popular. The traditional charging method is affected by the heat problem and limits the charging speed. It is difficult to quickly discharge the heat generated during the charging process, causing the heat to accumulate and rise in the charging pile, making it difficult to ensure the efficient charging process. The existing technology uses the method of opening grids and adding fans, which not only has low heat exchange efficiency, but also directly reduces the performance of rainproof, dustproof, and insect-proof if the number of grids and fans is increased. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a liquid-cooled electric vehicle charging pile which can improve the speed of heat exchange and conduction and has a reasonable layout inside the cabinet in view of the deficiencies in the prior art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions.

[0005] A liquid-cooled electric vehicle charging pile comprises a cabinet and a refrigerator, wherein the refrigerator is installed on the top of the cabinet, and a front door and a rear door are respectively provided on the front and rear sides of the cabinet. A liquid-cooled charging module, a power distribution module, an input busbar copper bar, an incoming line switch and a DC bus are provided in the cabinet, wherein the liquid-cooled charging module, the power distribution module, the input busbar copper bar and the incoming line switch are all close to the front door, and the DC bus is close to the rear door, and the coolant inlet and outlet of the refrigerator are connected to the inlet and outlet of the liquid-cooled charging module through a fluid pipeline.

[0006] Preferably, the inlet and outlet of the liquid-cooled charging module are respectively provided with pipeline quick connectors, and the fluid pipeline is plug-connected and connected to the pipeline quick connectors.

[0007] Preferably, a surge protector and a miniature circuit breaker are provided in the cabinet, and both the surge protector and the miniature circuit breaker are close to the front door, and both the surge protector and the miniature circuit breaker are located below the input busbar copper bar and the incoming line switch.

[0008] Preferably, a copper bar support base is included, the copper bar support base is located below the DC bus, and an output copper bar is installed on the copper bar support base.

[0009] Preferably, a door panel roller is provided at the lower end of the rear door, and the door panel roller is in rolling cooperation with the cabinet.

[0010] Preferably, a coolant filling port is provided on the top of the refrigerator.

[0011] Preferably, at least two hanging rings are provided on the top of the refrigerator.

[0012] Preferably, an emergency stop button and an LED light bar are provided on the front door.

[0013] In the liquid-cooled electric vehicle charging pile disclosed by the utility model, the liquid-cooled charging module and the power distribution module arranged in the cabinet are close to the front door, so that the components with large heat generation inside the cabinet are close to the water cooling pipeline, and the input bus copper bar, the incoming line switch and the DC bus are arranged below the liquid-cooled charging module and the power distribution module, so that the internal space of the cabinet is more reasonably laid out. On this basis, the utility model fixes the refrigerator on the top of the cabinet, and the refrigerator is connected to the liquid-cooled charging module through the fluid pipeline, so that a coolant circulation passage is formed between the refrigerator and the liquid cooling pipeline of the liquid-cooled charging module, which greatly improves the cooling and temperature reduction effect of the liquid-cooled charging module, and makes the heat in the cabinet quickly conduct outward. Compared with the prior art, the utility model can significantly improve the heat exchange and conduction speed, and at the same time, the internal layout of the cabinet is reasonable, which can effectively improve the charging efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an exploded view of the liquid-cooled electric vehicle charging pile of the utility model;

[0015] Figure 2 This is the local structure of the liquid-cooled electric vehicle charging pile of the utility model Figure 1 ;

[0016] Figure 3 This is the local structure of the liquid-cooled electric vehicle charging pile of the utility model Figure 2 . DETAILED DESCRIPTION

[0017] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments.

[0018] The utility model discloses a liquid-cooled electric vehicle charging pile, combined with Figures 1 to 3 As shown, it includes a cabinet 1 and a refrigerator 2, the refrigerator 2 is installed on the top of the cabinet 1, and the front and rear sides of the cabinet 1 are respectively provided with a front door 3 and a rear door 4, and the cabinet 1 is provided with a liquid cooling charging module 5, a power distribution module 6, an input bus copper bar 7, an incoming line switch 8 and a DC bus 9, the liquid cooling charging module 5, the power distribution module 6, the input bus copper bar 7 and the incoming line switch 8 are all close to the front door 3, the DC bus 9 is close to the rear door 4, and the coolant inlet and outlet of the refrigerator 2 are connected to the inlet and outlet of the liquid cooling charging module 5 through a fluid pipeline 10.

[0019] In the above structure, the liquid-cooled charging module 5 and the power distribution module 6 arranged in the cabinet 1 are close to the front door 3, so that the components with large heat generation inside the cabinet 1 are close to the water cooling pipeline. At the same time, the input bus copper bar 7, the incoming line switch 8 and the DC bus 9 are arranged below the liquid-cooled charging module 5 and the power distribution module 6, so that the internal space of the cabinet 1 is more reasonably laid out. On this basis, the utility model fixes the refrigerator 2 on the top of the cabinet 1, and the refrigerator 2 is connected to the liquid-cooled charging module 5 through the fluid pipeline 10, so that a coolant circulation passage is formed between the refrigerator 2 and the liquid cooling pipeline of the liquid-cooled charging module 5, which greatly improves the cooling effect of the liquid-cooled charging module 5, and makes the heat in the cabinet 1 quickly conduct outward. Compared with the prior art, the utility model can significantly improve the heat exchange and conduction speed. At the same time, the internal layout of the cabinet is reasonable, which can effectively improve the charging efficiency.

[0020] In order to facilitate the assembly of the fluid pipeline 10, in this embodiment, the inlet and outlet of the liquid-cooled charging module 5 are respectively provided with pipeline quick connectors 11, and the fluid pipeline 10 is plugged and connected with the pipeline quick connectors 11. In this embodiment, the provision of the pipeline quick connectors 11 also facilitates cleaning and maintenance work.

[0021] As a preferred embodiment, a surge protector 12 and a miniature circuit breaker 13 are provided in the cabinet 1, and both the surge protector 12 and the miniature circuit breaker 13 are close to the front door 3, and both the surge protector 12 and the miniature circuit breaker 13 are located below the input busbar copper bar 7 and the incoming line switch 8. The surge protector 12 can provide surge protection for the AC power on the input side, and the miniature circuit breaker 13 is provided to automatically cut off the power for protection when the working current is too large.

[0022] Adjacent to the rear door 4 , this embodiment includes a copper busbar support base 14 , which is located below the DC busbar 9 , and an output copper busbar 15 is mounted on the copper busbar support base 14 .

[0023] In order to facilitate opening and closing of the rear door 4 , in the present embodiment, a door panel roller 16 is provided at the lower end of the rear door 4 , and the door panel roller 16 is in rolling cooperation with the cabinet 1 .

[0024] See also Figure 1 As shown, a coolant filling port 17 is provided on the top of the refrigerator 2. In practical applications, the coolant can be regularly added according to design requirements to ensure that a sufficient amount of coolant is circulated and transported in the fluid pipeline 10.

[0025] In order to facilitate the lifting of the refrigerator 2 , in this embodiment, at least two lifting rings 18 are provided on the top of the refrigerator 2 .

[0026] As a preferred embodiment, an emergency stop button 19 and an LED light strip 20 are provided on the front door 3 .

[0027] In the liquid-cooled electric vehicle charging pile disclosed by the utility model, the charging module part adopts liquid cooling to dissipate heat, and the heat generated is effectively taken away by the flow of coolant in the pipeline, and the heat generated inside the module is transferred to the fin radiator. Under this design, the liquid-cooled charging module and electrical accessories inside the charging pile are completely isolated from the external environment, so a higher level of protection can be achieved, and the reliability of the system is improved.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the technical scope of the present invention should be included in the scope of protection of the present invention.

Claims

1. A liquid-cooled electric vehicle charging pile, characterized in that: The invention comprises a cabinet (1) and a refrigerator (2), wherein the refrigerator (2) is installed on the top of the cabinet (1), and the cabinet (1) is provided with a front door (3) and a rear door (4) on the front and rear sides respectively. The cabinet (1) is provided with a liquid cooling charging module (5), a power distribution module (6), an input bus copper bar (7), an incoming line switch (8) and a DC bus (9), wherein the liquid cooling charging module (5), the power distribution module (6), the input bus copper bar (7) and the incoming line switch (8) are all close to the front door (3), and the DC bus (9) is close to the rear door (4). The cooling liquid inlet and outlet of the refrigerator (2) are connected to the inlet and outlet of the liquid cooling charging module (5) via a fluid pipeline (10).

2. The liquid-cooled electric vehicle charging pile according to claim 1, characterized in that: The inlet and outlet of the liquid-cooled charging module (5) are respectively provided with pipeline quick connectors (11), and the fluid pipeline (10) is plugged and connected to the pipeline quick connector (11).

3. The liquid-cooled electric vehicle charging pile according to claim 1, characterized in that: A surge protector (12) and a miniature circuit breaker (13) are provided in the cabinet (1); the surge protector (12) and the miniature circuit breaker (13) are both close to the front door (3), and the surge protector (12) and the miniature circuit breaker (13) are both located below the input busbar copper bar (7) and the incoming line switch (8).

4. The liquid-cooled electric vehicle charging pile according to claim 1, characterized in that: It comprises a copper busbar support base (14), the copper busbar support base (14) is located below the DC busbar (9), and an output copper busbar (15) is mounted on the copper busbar support base (14).

5. The liquid-cooled electric vehicle charging pile according to claim 1, characterized in that: A door panel roller (16) is provided at the lower end of the rear door (4), and the door panel roller (16) is in rolling cooperation with the cabinet (1).

6. The liquid-cooled electric vehicle charging pile according to claim 1, characterized in that: The top of the refrigerator (2) is provided with a coolant filling port (17).

7. The liquid-cooled electric vehicle charging pile according to claim 1, characterized in that: At least two hanging rings (18) are provided on the top of the refrigerator (2).

8. The liquid-cooled electric vehicle charging pile according to claim 1, characterized in that: The front door (3) is provided with an emergency stop button (19) and an LED light strip (20).

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