Integrated cooling liquid supply and storage unit

Abstract

The utility model discloses an integrated cooling liquid supply and storage unit which comprises a liquid storage tank, a power device and a heat exchange assembly, a liquid outlet is formed in the liquid storage tank, the power device is connected with the liquid outlet and used for extracting cooling liquid in the liquid storage tank and conveying the cooling liquid out of the liquid outlet, and the heat exchange assembly communicates with the interior of the liquid storage tank. The heat exchange assembly is used for conveying the cooling liquid subjected to heat exchange into the liquid storage tank for storage, and the power device and the heat exchange assembly are both integrated in the liquid storage tank; the power device and the heat exchange assembly are both arranged in the liquid storage tank, so that the power device and the heat exchange assembly are embedded in the liquid storage tank, meanwhile, the space of a pipeline between the liquid storage tank and the heat exchange assembly and between the liquid storage tank and the power device does not need to be reserved, and the liquid storage tank, the power device and the heat exchange assembly are integrated, so that the volume of a cooling liquid supply and storage unit can be greatly reduced; therefore, the occupied area of the charging pile is reduced.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of charging piles, in particular to an integrated cooling liquid supply and storage unit. BACKGROUND

[0002] In order to shorten the charging time, a super charging pile with large current is provided, however, the large current charging can cause the temperature of the charging gun terminal and cable conductor to rapidly rise, in order to meet the heat dissipation requirement of the gun cable, a low-temperature liquid cooling solution, i.e. a compressor, a condenser, an evaporator and an expansion valve, need to be provided. The cooling liquid supply and storage unit as a part of the charging pile generally comprises a liquid storage tank and a pump, the existing cooling liquid supply and storage unit and other parts of the charging pile are separately arranged in the interior of the charging pile, and installation space needs to be reserved for the pipeline for mutual communication between the parts, which can cause the charging pile to have a large volume and occupy a large area in the limited space. Due to the limitation of the volume of the existing charging pile, the traditional separated heat exchange assembly design cannot meet the increasingly stringent space arrangement requirement, therefore, the cooling liquid supply and storage unit with a smaller volume has a strong market demand. CONTENT OF THE UTILITY MODEL

[0003] The application provides an integrated cooling liquid supply and storage unit to solve the problems of large volume and large occupied space of the existing charging pile, and adopts the following technical scheme:

[0004] The integrated cooling liquid supply and storage unit comprises a liquid storage tank, a power device and a heat exchange assembly, at least one liquid outlet is arranged on the liquid storage tank, the power device is used for pumping the cooling liquid in the liquid storage tank out of the liquid outlet, the heat exchange assembly is connected with the interior of the liquid storage tank and is used for conveying the heat-exchanged cooling liquid into the liquid storage tank for storage, and the power device and the heat exchange assembly are integrated with the liquid storage tank.

[0005] The liquid storage tank, the power unit and the heat exchange assembly are integrated, so that the occupied space of the cooling liquid supply and storage unit can be greatly reduced.

[0006] Preferably, the power device is arranged in the liquid storage tank and located at the bottom of the liquid storage tank, and the axis of the power device is parallel to the length direction of the liquid storage tank; the power device is embedded in the liquid storage tank, the cooling liquid in the liquid storage tank can be directly pumped without pipeline connection, and the occupied space is further reduced.

[0007] Preferably, a cover plate is arranged at the top of the liquid storage tank, and the heat exchange assembly is connected with the cover plate and the liquid storage tank to be integrated.

[0008] Further preferably, the heat exchange assembly is arranged at the bottom of the cover plate and located in the liquid storage tank; the heat exchange assembly is embedded in the liquid storage tank, and the cooled liquid can be directly discharged into the liquid storage tank without pipeline connection, thereby reducing the occupied space.

[0009] Further preferably, the heat exchange assembly is provided with an inlet one and an outlet one for the cooling liquid to enter and exit, and an inlet two and an outlet two for the refrigerant to enter and exit.

[0010] Preferably, the cover plate is provided with a filling port and a gas discharge port for discharging gas in the liquid storage tank, and the gas discharge port is provided with a gas discharge valve.

[0011] Preferably, the liquid storage tank is provided with a pressure stabilizing sensor and the liquid outlet, and an observation tube connected to the liquid storage tank, and the liquid outlet is connected to the power device.

[0012] The application has the following beneficial effects:

[0013] The application integrates the liquid storage tank, the heat exchange assembly and the power device into one, embeds the heat exchange assembly and the power device in the liquid storage tank, and avoids reserving the pipeline space for connecting the liquid storage tank, the heat exchange assembly and the power device, thereby greatly reducing the volume of the cooling liquid supply unit and the occupied space of the charging pile. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the internal structure of the application.

[0015] In the drawings:

[0016] 00, liquid storage tank, 10, liquid outlet, 11, temperature and pressure sensor, 12, observation tube;

[0017] 01, power device;

[0018] 02, heat exchange assembly, 21, inlet one, 22, outlet one, 23, inlet two, 24, outlet two;

[0019] 03, cover plate, 31, filling port, 32, gas discharge valve, 33, liquid level temperature sensor. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings of the application. Obviously, the embodiments described in the application are only part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0021] In combination with Figure 1To further illustrate the present application, the integrated cooling liquid supply and storage unit includes a liquid storage tank 00, a power device 01 and a heat exchange assembly 02, the power device 01 and the heat exchange assembly 02 are integrated on the liquid storage tank 00, at least one liquid outlet 10 is provided on the liquid storage tank 00, the power device 01 is connected to the liquid outlet 10 for pumping the cooling liquid in the liquid storage tank 00 out of the liquid outlet 10, the heat exchange assembly 02 is connected to the inside of the liquid storage tank 00 for conveying the cooled cooling liquid into the liquid storage tank 00, wherein the power device 01 can be a pump, and the heat exchange assembly can be an evaporator; in this embodiment, the liquid storage tank 00 is a square structure; of course, it can also be other shapes. Integrating the heat exchange assembly 02 and the power device 01 with the liquid storage tank 00 can greatly reduce the occupied space of each component, thereby reducing the volume of the charging pile.

[0022] In combination Figure 1 The power device 01 is arranged in the liquid storage tank 00 and located at the bottom of the liquid storage tank 00, and the axis of the power device is arranged in parallel with the length direction of the liquid storage tank 00. This arrangement can embed the power device 01 in the liquid storage tank 00, which is smaller in volume; the power device 01 is arranged in the liquid storage tank 00, and the liquid outlet end of the power device 01 is connected to the liquid outlet 10; in use, the liquid inlet end of the power device 01 directly pumps the cooling liquid from the liquid storage tank 00, and after being pressurized by the power device 01, the cooling liquid is conveyed out through the liquid outlet 10.

[0023] A cover plate 03 is provided on the top of the liquid storage tank 00 and connected to the heat exchange assembly 02, integrating the liquid storage tank 00 and the heat exchange assembly 02. The heat exchange assembly 02 can be arranged on the top of the cover plate 03, i.e. on the top of the liquid storage tank 00, or on the bottom of the cover plate 03; in this embodiment, the heat exchange assembly 02 is arranged on the bottom of the cover plate 03, i.e. embedded in the liquid storage tank 00; the heat exchange assembly 02 is integrated with the liquid storage tank 00, which is smaller in volume; wherein the size of the heat exchange assembly 02 can be adjusted according to the heat dissipation requirement.

[0024] The heat exchange assembly 02 is provided with an inlet one 21 and an outlet one 22 for the cooling liquid to enter and exit, and an inlet two 23 and an outlet two 24 for the refrigerant to enter and exit. In use, the cooling liquid enters the heat exchange assembly 02 through the inlet one 21 and flows into the liquid storage tank 00 through the outlet one 22; the refrigerant enters the heat exchange assembly 02 through the inlet two 23 and flows out through the outlet two 24 after heat exchange with the cooling liquid; the cooling liquid cooled by the heat exchange assembly 02 flows directly into the liquid storage tank 00 through the outlet one 22.

[0025] Compared with the prior art, the power device 01 and the heat exchange assembly 02 are integrated with the liquid storage tank 00, and the heat exchange assembly 02 and the power device 01 are embedded in the liquid storage tank 00, so that the cooling liquid supply and storage unit is more compact, and the occupied space is greatly reduced; the cooling liquid after heat exchange by the heat exchange assembly 02 directly flows into the liquid storage tank 00 through the outlet one 22, the power device 01 can directly extract the cooling liquid from the liquid storage tank 00, and meanwhile, the pipelines connecting the liquid storage tank 00 with the outlet one and the power device 01 can be omitted, the space for the pipelines is not needed, the volume of the cooling liquid supply and storage unit can be further reduced, and the occupied area of the charging cabinet is reduced.

[0026] The cover plate 03 is further provided with a filling port 31 and an exhaust port, the exhaust port is provided with an exhaust valve 32 to prevent the internal pressure of the liquid storage tank 00 from being too high, and the gas in the liquid storage tank 00 can be discharged; the filling port 31 can facilitate supplement of the cooling liquid to the liquid storage tank 00 when the cooling liquid in the liquid storage tank 00 is insufficient, and the exhaust port and the filling port 31 can also be arranged at other positions of the liquid storage tank, for example, the side of the liquid storage tank.

[0027] The side of the liquid storage tank 00 is provided with an observation tube 12, a temperature and pressure sensor 11 and the liquid outlet 10; the observation tube 12 is in communication with the inside of the liquid storage tank 00 and is used for observing the liquid level of the cooling liquid in the liquid storage tank 00; the temperature and pressure sensor 11 is used for detecting the temperature of the cooling liquid in the liquid storage tank 00 and the pressure in the inside of the liquid storage tank 00; in some embodiments, a liquid level temperature sensor 33 can also be arranged to monitor the liquid level and the temperature in the liquid storage tank 00 in real time, so that the internal pressure, temperature and liquid level of the liquid storage tank 00 are ensured to be in a normal range.

Claims

1. An integrated coolant supply and reservoir unit, characterized by: The application relates to a cooling liquid storage tank, which comprises a liquid storage tank, a power device and a heat exchange component, wherein at least one liquid outlet is arranged on the liquid storage tank, the power device is used for pumping the cooling liquid in the liquid storage tank to the liquid outlet, the heat exchange component is connected with the inside of the liquid storage tank and is used for conveying the heat-exchanged cooling liquid into the liquid storage tank, and the power device and the heat exchange component are integrated with the liquid storage tank. The power device is arranged in the liquid storage tank and is located at the bottom of the liquid storage tank, and the axis of the power device is parallel to the length direction of the liquid storage tank. The top of the liquid storage tank is provided with a cover plate, and the heat exchange component is connected with the cover plate and the liquid storage tank to be integrated. The heat exchange component is provided with an inlet one and an outlet one for the inlet and outlet of the cooling liquid and an inlet two and an outlet two for the inlet and outlet of the refrigerant.

2. The integrated coolant supply and reservoir unit of claim 1, wherein: The heat exchange component is arranged at the bottom of the cover plate and is located in the liquid storage tank.

3. The integrated coolant supply and reservoir unit of claim 1, wherein: The cover plate is provided with a filling port and a gas exhaust port for discharging the gas in the liquid storage tank, and the gas exhaust port is provided with a gas exhaust valve.

4. The integrated coolant supply and reservoir unit of claim 1, wherein: The side of the liquid storage tank is provided with a pressure stabilizing sensor and the liquid outlet, and an observation tube connected with the liquid storage tank, and the liquid outlet is connected with the power device.

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