电池包排液系统和车辆

Abstract

本公开涉及一种电池包排液系统和车辆，本电池包排液系统包括电池包本体、排液阀和高度调节机构，所述电池包本体内部设置有腔室，所述排液阀连接于所述电池包本体的底部，所述排液阀的进口与所述腔室连通，所述高度调节机构设置为能够调整所述电池包本体的部分位置的水平高度，所述电池包本体设置有所述排液阀的位置为第一位置，所述电池包排液系统包括排液状态，在所述排液状态，所述第一位置朝下倾斜设置。本电池包排液系统通过设置的高度调节机构，在排液状态，将第一位置的水平高度降低，使得液体从电池包本体的其他位置流向第一位置，然后经排液阀排出到外界，避免液体残留，从而保证电池包的安全性。

Claims

1. A battery pack draining system, characterized by, include: A battery pack body, wherein a cavity is provided inside the battery pack body; A drain valve is connected to the bottom of the battery pack body, the inlet of the drain valve is connected to the chamber, and the outlet of the drain valve is connected to the external environment. A height adjustment mechanism is provided, which is configured to adjust the horizontal height of a portion of the battery pack body so that the battery pack body is tilted. The first position is where the drain valve is located on the battery pack body. The battery pack drain system includes a drain state in which the first position is tilted downwards.

2. The battery pack draining system of claim 1, wherein, The battery pack drainage system also includes a detection sensor and a control unit. The detection sensor is connected to the battery pack body and disposed in the chamber. The detection sensor is used to detect leakage in the chamber. The detection sensor and the height adjustment mechanism are both electrically connected to the control unit. The control unit is used to control the operation of the height adjustment mechanism to adjust the horizontal height of a portion of the battery pack body.

3. The battery pack drainage system according to claim 2, characterized in that, The chamber is provided with a plurality of detection sensors, which are spaced apart, and some of the detection sensors are located at the first position.

4. The battery pack drainage system according to claim 1, characterized in that, The battery pack body includes a housing and individual battery cells; The housing includes a frame and a support beam. The frame has a receiving space. The support beam is connected to the frame and divides the receiving space into at least two chambers. The battery cell is disposed in the chamber. Each chamber is provided with at least two drain valves, which are spaced apart.

5. The battery pack liquid drain system of claim 4, wherein, The box body is provided with a first end and a second end. The first end of the box body is closer to the front of the vehicle than the second end of the box body, and the second end of the box body is closer to the rear of the vehicle than the first end of the box body. At least one of the drain valves is disposed at the first end of the housing, and at least one of the drain valves is disposed at the second end of the housing.

6. The battery pack bleed system of claim 5, wherein, The support beam extends along the front-rear direction of the vehicle and is close to the middle of the frame. Wherein, the drain valve located at the first end of the housing is closer to the support beam than the drain valve located at the second end of the housing; or, The drain valve located at the second end of the housing is closer to the support beam than the drain valve located at the first end of the housing; or, The drain valve located at the second end of the housing and the drain valve located at the first end of the housing are both far away from the support beam.

7. The battery pack bleed system of claim 5, wherein, Each chamber is provided with two drain valves, one drain valve located at the first end of the housing and the other drain valve located at the second end of the housing; or... Each chamber is provided with four drain valves, two of which are located at the first end of the housing and the other two at the second end of the housing.

8. The battery pack bleed system of claim 1, wherein, The battery pack body includes a housing; The housing includes a frame and a base plate. The base plate is connected to the bottom of the frame and is horizontally positioned. The top surface of the base plate is used for liquid flow. The top surface of the base plate is provided with a first area and a second area. The drain valve is connected to the base plate and is located on the first area. The horizontal height of the first area is lower than that of the second area, so that the liquid flows from the second area to the first area.

9. The battery pack bleed system of claim 8, wherein, The first area and the second area are close to the edge of the base plate.

10. The battery pack bleed system of claim 1, wherein, The battery pack body includes a housing; The enclosure includes a frame and a base plate, with the base plate connected to the bottom of the frame; The battery pack drainage system also includes an adsorption element, which is connected to the base plate and disposed in the chamber. One end of the adsorption element is close to the drainage valve, and the adsorption element is used to adsorb and guide the liquid to the drainage valve.

11. The battery pack bleed system of claim 10, wherein, The top surface of the base plate is provided with a liquid guiding groove, the adsorption element is disposed in the liquid guiding groove, the adsorption element extends along the extending direction of the liquid guiding groove, and one end of the liquid guiding groove is connected to the inlet of the drain valve.

12. The battery pack bleed system of claim 10, wherein, The adsorption element is configured as a capillary assembly, each capillary assembly comprising several capillary tubes, each capillary tube having an inner diameter of less than 0.5 mm.

13. The battery pack bleed system of any one of claims 1-12, wherein, The height adjustment mechanism is configured as a variable suspension system for the vehicle, which is used to change the height of the front and / or rear of the vehicle so that the battery pack body is tilted.

14. A vehicle characterized by comprising: Includes the battery pack drainage system as described in any one of claims 1-13.

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