CN218172039U - Direct current fills electric pile with liquid cooling system - Google Patents

Abstract

The utility model relates to the field of charging devices, and discloses a DC charging pile with a liquid cooling system, which includes a base, an outer shell is fixedly arranged on the upper end surface of the base, and an isolation cover is fixedly arranged inside the outer shell. The inside of the cover is fixed with a charging module, and the front surface of the housing is provided with two charging heads, both of which are electrically connected to the charging module through wires, and the outer end of the charging module is provided with a water-cooled The upper end surface of the isolation cover is fixedly provided with a water tank, one side of the water tank is fixedly connected with a water pump, the upper end surface of the housing is fixedly provided with a cover plate, and the lower end surface of the cover plate is fixedly provided with a cooling pipe, The cooling pipe consists of flat pipes connected by a plurality of U-shaped connecting pipes. In the utility model, a liquid cooling system composed of a water cooling jacket, a cooling pipe, a water pump and a water tank is arranged inside, which can efficiently dissipate heat through the circulation of the cooling liquid, and has a strong heat dissipation effect.

Description

A DC charging pile with a liquid cooling system

technical field

The utility model relates to the field of charging piles, in particular to a DC charging pile with a liquid cooling system.

Background technique

With the widespread use of electric vehicles, the charging piles of early electric vehicles were all AC charging piles with slow charging speed, and the charging piles currently under construction are all DC charging piles with fast charging speed.

When the DC charging pile is charging, its internal charging module will generate a lot of heat. In order to prevent the danger of overheating, the current DC charging piles will be equipped with heat dissipation devices, but most of them simply use fans for air cooling. , the cooling efficiency is not high enough. Therefore, those skilled in the art provide a DC charging pile with a liquid cooling system to solve the problems raised in the background art above.

Utility model content

The purpose of this utility model is to solve the shortcomings in the prior art, and propose a DC charging pile with a liquid cooling system. The charging pile is equipped with a water cooling jacket, cooling pipe, water pump and water tank inside The liquid cooling system can efficiently dissipate heat through the circulation of coolant, and has a strong heat dissipation effect.

In order to achieve the above object, the utility model provides the following technical solutions:

A DC charging pile with a liquid cooling system, comprising a base, the upper end of the base is fixedly provided with a housing, the inside of the housing is fixedly provided with an isolation cover, and the inside of the isolation cover is fixedly provided with a charging module. The front end of the housing is provided with two charging heads, and the two charging heads are electrically connected to the charging module through wires;

The outer end of the charging module is covered with a water cooling jacket, the upper end surface of the isolation cover is fixedly provided with a water tank, one side of the water tank is fixedly connected with a water pump, and the upper end surface of the housing is fixedly provided with a cover plate. The lower end surface of the cover plate is fixedly provided with cooling pipes, the cooling pipes are composed of flat pipes connected by a plurality of U-shaped connecting pipes, and the two ends of the cooling pipes are respectively fixedly provided with water inlet pipes and water outlet pipes;

Through the above technical solution, the liquid cooling system composed of water cooling jacket, cooling pipe, water pump, and water tank enables the DC charging pile to efficiently dissipate heat through the circulation of cooling liquid when in use, and has a strong heat dissipation effect.

Further, both sides of the casing are rotatably provided with inspection doors, the rear end surfaces of the two inspection doors are fixed with a plurality of cooling fans, and the outer surfaces of the two inspection doors are fixed with air vents;

Through the above technical solution, the heat dissipation fan can discharge the hot air in the casing through the ventilation opening through the rotation of the blades.

Further, the water cooling jacket includes a cooling box, the inner side of the cooling box is fixedly provided with a heat conduction plate, and the two ends of the cooling box are fixedly connected to the water inlet pipe and the output end of the water pump through the water return pipe and the water delivery pipe respectively;

Through the above technical proposal, the coolant in the water tank is pumped into the inside of the cooling tank through the water pump, and enters the cooling pipe through the water return pipe, so that the coolant circulates.

Further, the heat conduction plate is closely attached to the charging module, and the heat conduction plate is made of red copper;

Through the above technical solution, the heat conduction plate made of red copper has good thermal conductivity.

Further, a cooling fan is fixedly embedded inside the cover plate, and the cooling fan and the cooling pipe are attached to each other and the wind direction is to blow outward;

Through the above technical solution, the cooling fan can quickly cool down the cooling pipe, thereby reducing the temperature of the cooling liquid inside it.

Further, the four corners of the upper end surface of the cover plate are fixedly connected with a support frame, and the upper end of the support frame is fixedly connected with a rain shield;

Through the above technical solution, the rain shield can block rainwater and prevent rainwater from falling into the cooling fan.

Further, a water pipe is fixedly connected between the water outlet pipe and the water tank;

Through the above technical scheme, the cooling liquid in the cooling pipe is returned to the water tank through the water pipe.

Further, the cooling pipe is made of copper;

Through the above technical solution, the cooling pipe made of red copper has strong thermal conductivity, which is convenient for cooling liquid to dissipate heat.

The utility model has the following beneficial effects:

1. The utility model proposes a DC charging pile with a liquid cooling system. A liquid cooling system composed of a water cooling jacket, a cooling pipe, a water pump and a water tank is installed inside the casing, so that the DC charging pile can pass through when in use. The circulation of the cooling liquid efficiently dissipates heat, and the heat dissipation effect is strong, thereby preventing the temperature of the charging pile from being too high during charging, preventing internal components from being damaged due to high temperature, and effectively extending the service life of the charging pile.

2. The utility model proposes a DC charging pile with a liquid cooling system, which can protect the internal charging module through the set isolation sleeve, isolate the connecting pipeline of the liquid cooling system, and prevent the pipeline from leaking and damaging the charging module. , strong safety, and can also cooperate with the shell to form a double-layer protective structure, which makes the charging pile have high structural strength and strong impact resistance.

3. The utility model proposes a DC charging pile with a liquid cooling system. By setting a cooling fan and a cooling fan, the air circulation speed in the casing can be effectively increased, and the temperature of the charging pile can be reduced. The cooling fan can also Accelerate the cooling speed of the coolant, thereby further improving the heat dissipation effect, and the heat dissipation ability is strong.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a DC charging pile with a liquid cooling system proposed by the utility model;

Figure 2 is a schematic diagram of the internal structure of a DC charging pile with a liquid cooling system proposed by the utility model;

Fig. 3 is a structural schematic diagram of a cooling pipe of a DC charging pile with a liquid cooling system proposed by the present invention;

Fig. 4 is a structural schematic diagram of a water cooling jacket of a DC charging pile with a liquid cooling system proposed by the present invention.

illustration:

1. Base; 2. Shell; 3. Cover plate; 4. Cooling fan; 5. Support frame; 6. Rain shield; 7. Inspection door; 8. Ventilation port; , charging module; 12, water cooling jacket; 13, water tank; 14, cooling pipe; 15, water pipe; 16, water pump; 17, return pipe; 18, cooling fan; 19, water pipe; 20, flat pipe; 21, U 22, water inlet pipe; 23, water outlet pipe; 24, cooling box; 25, heat conduction plate.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Figures 1-4, an embodiment provided by the utility model: a DC charging pile with a liquid cooling system, including a base 1, the upper end surface of the base 1 is fixed with a casing 2, and the inside of the casing 2 is fixed with a The isolation cover 10 has a charging module 11 fixed inside the isolation cover 10 , and two charging heads 9 are mounted on the front surface of the housing 2 , and the two charging heads 9 are electrically connected to the charging module 11 through wires.

The outer end of the charging module 11 is provided with a water-cooling jacket 12, the upper end surface of the isolation cover 10 is fixedly provided with a water tank 13, one side of the water tank 13 is fixedly connected with a water pump 16, and the upper end surface of the housing 2 is fixedly provided with a cover plate 3, the cover plate The lower end surface of 3 is fixedly provided with a cooling pipe 14, and the cooling pipe 14 is composed of flat pipes 20 connected by a plurality of U-shaped connecting pipes 21. A water inlet pipe 22 and a water outlet pipe 23 are fixedly arranged at both ends respectively.

Both sides of the casing 2 are provided with access doors 7 for rotation, and the rear end surfaces of the two access doors 7 are fixedly provided with a plurality of cooling fans 18, and the outer surfaces of the two access doors 7 are fixedly provided with air vents 8, cooling fans 18 The hot air in the housing 2 can be discharged from the vent 8 through the rotation of the blades. The water cooling jacket 12 includes a cooling box 24. The inner side of the cooling box 24 is fixedly provided with a heat conducting plate 25. The two ends of the cooling box 24 pass through the return pipe 17 and the The water delivery pipe 19 is fixedly connected with the water inlet pipe 22 and the output end of the water pump 16. The coolant in the water tank 13 is pumped into the inside of the cooling box 24 through the water pump 16, and enters the cooling pipe 14 through the return pipe 17, thereby circulating the coolant. The heat conducting plate 25 and the The charging module 11 is closely attached, and the heat conduction plate 25 is made of red copper. The heat conduction plate 25 made of red copper has good thermal conductivity, and the inside of the cover plate 3 is fixedly provided with a cooling fan 4 embedded therein. The cooling fan 4 and the cooling pipe 14 are mutually connected. Fitting the wind direction to blow outwards, the cooling fan 4 can quickly cool down the cooling pipe 14, thereby reducing the temperature of the cooling liquid inside it. The rain shield 6 is fixedly connected, and the rain shield 6 can block rainwater and prevent rainwater from falling into the cooling fan 4. A water pipe 15 is fixedly connected between the outlet pipe 23 and the water tank 13, and the cooling liquid of the cooling pipe 14 is provided by the water pipe 15. Back to the water tank 13, the cooling pipe 14 is made of red copper, and the cooling pipe 14 made of red copper has strong thermal conductivity, which is convenient for cooling liquid to dissipate heat.

Working principle: when the device is in use, the water tank 13 and each connecting pipeline are filled with coolant, and the coolant in the water tank 13 is pumped into the water cooling jacket 12 through the water delivery pipe 19 through the water pump 16, so that the coolant absorbs the charging module 11 The heat generated during work, the coolant enters the cooling tube 14, and the cooling fluid is quickly cooled by the wind force of the cooling fan 4. At the same time, the curved design of the cooling tube 14 and the flat tube 20 can also facilitate the heat dissipation of the coolant, and then cool The liquid returns to the water tank 13, thereby completing the circulation of the cooling liquid. Compared with the simple wind heat dissipation, the charging pile is equipped with a circulating liquid cooling system, which has a stronger heat dissipation effect.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (8)

1. A DC charging pile with a liquid cooling system, comprising a base (1), characterized in that: the upper end surface of the base (1) is fixedly provided with a housing (2), and the inside of the housing (2) is fixed An isolation cover (10) is provided, and a charging module (11) is fixedly arranged inside the isolation cover (10), and two charging heads (9) are mounted on the front face of the housing (2), and the two The charging heads (9) are electrically connected to the charging module (11) through wires; The outer end of the charging module (11) is provided with a water cooling jacket (12), the upper end surface of the isolation cover (10) is fixedly provided with a water tank (13), and one side of the water tank (13) is fixedly connected with a water pump (16), the upper end surface of the housing (2) is fixedly provided with a cover plate (3), and the lower end surface of the cover plate (3) is fixedly provided with a cooling pipe (14), and the cooling pipe (14) is passed through It consists of flat pipes (20) connected by a plurality of U-shaped connecting pipes (21), and the two ends of the cooling pipe (14) are respectively fixedly provided with a water inlet pipe (22) and a water outlet pipe (23). 2. A DC charging pile with a liquid cooling system according to claim 1, characterized in that: both sides of the housing (2) are rotatably provided with inspection doors (7), and the two inspection doors The rear end surfaces of (7) are all fixedly provided with a plurality of cooling fans (18), and the outer surfaces of the two inspection doors (7) are all fixedly provided with air vents (8). 3. A DC charging pile with a liquid cooling system according to claim 1, characterized in that: the water cooling jacket (12) includes a cooling box (24), and the inner side of the cooling box (24) is fixedly arranged There is a heat conduction plate (25), and the two ends of the cooling box (24) are fixedly connected to the water inlet pipe (22) and the output end of the water pump (16) through the water return pipe (17) and the water delivery pipe (19) respectively. 4. A DC charging pile with a liquid cooling system according to claim 3, characterized in that: the heat conducting plate (25) is closely attached to the charging module (11), and the heat conducting plate (25) is formed by Made of copper. 5. A DC charging pile with a liquid cooling system according to claim 1, characterized in that: a cooling fan (4) is fixedly embedded inside the cover plate (3), and the cooling fan ( 4) and the cooling pipe (14) are attached to each other and the wind direction is outward blowing. 6. A DC charging pile with a liquid cooling system according to claim 1, characterized in that: the four corners of the upper end surface of the cover plate (3) are fixedly connected with support frames (5), and the support The upper end of frame (5) is fixedly connected with rain shield (6). 7. The DC charging pile with a liquid cooling system according to claim 1, characterized in that: a water pipe (15) is fixedly connected between the water outlet pipe (23) and the water tank (13). 8. The DC charging pile with liquid cooling system according to claim 1, characterized in that: the cooling pipe (14) is made of red copper.

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