A battery pack convenient for quick replacement

Abstract

The utility model discloses a battery pack convenient to quick replacement, including the shell, be provided with battery module in the shell, the shell includes the shell of upper end opening and the end cover of covering the shell upper end, the side of shell is provided with first handle, be provided with second handle and socket on the end cover, battery module sets up in the shell, socket with battery module electricity is connected, the advantage is helpful to reduce the operation difficulty.

Description

Technical Field

[0001] This utility model belongs to the field of power battery technology, and in particular relates to a battery pack that is easy to replace quickly. Background Technology

[0002] With the rapid development of the express delivery and food delivery industries, the demand for electric vehicles is increasing. Traditional electric vehicles mostly use lead-acid batteries as their power source. However, lead-acid batteries not only have a small capacity but also degrade quickly, making them unable to effectively support the long-term operation of electric vehicles.

[0003] Although lithium-ion batteries have high energy density and have become a new development trend, both lead-acid and lithium-ion batteries generally use plug-in charging for replenishment. This method of replenishment often takes 8-12 hours to complete. The larger the battery capacity, the longer the charging time, which still cannot effectively meet the long-term operation of electric vehicles under the high frequency and high power requirements.

[0004] Therefore, battery swapping has gradually emerged in the market, such as the battery swapping battery pack disclosed in application number CN2024212443955. This method provides rapid power replenishment for electric vehicles by replacing the battery pack instead of plugging it in for charging. Replacing the battery pack requires the user to pick it up and put it down. However, the battery pack itself is relatively heavy and long, and the handle is located on the side of the battery pack. When carrying it, the center of gravity of the battery pack is far from the hand, which will cause the battery pack to be unstable during transportation and increase the difficulty of operation. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a battery pack that is easy to replace quickly, which helps to reduce the difficulty of operation.

[0006] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a battery pack that is easy to replace quickly includes a shell, a battery module is disposed inside the shell, the shell includes a housing with an opening at the top and an end cap covering the upper end of the housing, a first handle is provided on the side of the housing, a second handle and a socket are provided on the end cap, the battery module is disposed inside the housing, and the socket is electrically connected to the battery module.

[0007] Preferably, the housing is made of aluminum and the end cap is made of plastic.

[0008] Preferably, the side of the housing is provided with a raised strip extending in the vertical direction, and the lower end of the raised strip is provided with an inclined guide surface, and the first handle is fixedly connected to the raised strip.

[0009] Preferably, the first handle is a telescopic handle.

[0010] Preferably, the protruding strip is provided with a strip-shaped groove extending in the vertical direction, the strip-shaped groove penetrating the upper and lower end faces of the protruding strip.

[0011] Preferably, the end cap is stepped, with the upper end of the end cap recessed downward to form a U-shaped groove and a clearance groove. The second handle is accommodated in the groove and rotatably connected to the inner wall of the groove. The clearance groove is connected to the middle section of the groove. An installation opening is provided on the stepped surface of the end cap, and the socket is located at the installation opening.

[0012] Preferably, the clearance groove is located on the side of the recess away from the socket.

[0013] Preferably, the socket is detachably connected to a connector, and the connector is connected to a cable.

[0014] Preferably, the battery module includes a cell assembly, a protection board, and a BDU, with the protection board covering the upper end of the cell assembly and the BDU fixedly disposed on the upper surface of the protection board.

[0015] Compared with the prior art, the advantages of this utility model are:

[0016] 1. By setting a first handle and a second handle on the battery pack shell, users can first take out the battery pack through the second handle and then carry the battery pack through the first handle. Since the first handle is located on the side of the shell, the distance between the center of gravity of the battery pack and the hand can be greatly reduced, reducing swaying during the carrying process, resulting in better stability and helping to reduce the difficulty of operation.

[0017] 2. The casing is made of aluminum and the end caps are made of plastic. This reduces weight while ensuring overall rigidity, making it easier for users to pick up, put down and move. At the same time, the aluminum casing has good thermal conductivity, which helps to improve the heat dissipation efficiency of the battery pack. Furthermore, the protrusions on the side of the casing improve the local structural strength. When the user moves the battery pack through the first handle, the casing on that side is less likely to deform, which helps to extend the service life. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0020] Figure 3 This is a partial structural schematic diagram of the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of the end cap of this utility model.

[0022] In the diagram: 1. Outer shell; 11. Housing; 12. End cap; 121. Groove; 122. Clearance groove; 123. Mounting port; 2. Battery module; 21. Cell assembly; 22. Protection board; 23. BDU; 3. First handle; 4. Second handle; 5. Socket; 6. Raised strip; 61. Angled guide surface; 62. Strip groove; 7. Connector; 8. Cable. Detailed Implementation

[0023] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] Example 1: As Figure 1 and Figure 2 As shown, a battery pack that is easy to replace quickly includes a housing 1, and a battery module 2 is disposed inside the housing 1. The housing 1 includes a shell 11 with an opening at the top and an end cap 12 covering the top of the shell 11. A first handle 3 is provided on the side of the shell 11, and a second handle 4 and a socket 5 are provided on the end cap 12. The battery module 2 is disposed inside the shell 11, and the socket 5 is electrically connected to the battery module 2.

[0026] The housing 11 is preferably made of aluminum, i.e., aluminum housing, and the end cap 12 is preferably made of plastic, i.e., plastic end cap. This reduces weight while ensuring overall rigidity, making it easier for users to pick up, put down, and move. At the same time, the aluminum component has good thermal conductivity, which helps to improve the heat dissipation efficiency of the battery pack.

[0027] Example 2: Figure 3 As shown, the rest of the parts are the same as in Embodiment 1, except that the side of the housing 11 is provided with a protruding strip 6 extending in the vertical direction, and the lower end of the protruding strip 6 is provided with an inclined guide surface 61. The first handle 3 is fixedly connected to the protruding strip 6. By adding the protruding strip 6, the local structural strength is improved. When the user carries the battery pack through the first handle 3, the housing 11 on this side is less likely to deform, which helps to extend the service life. Preferably, the protruding strip 6 is also made of aluminum.

[0028] In this embodiment, the first handle 3 is a telescopic handle. When not in use, the first handle 3 is attached to the surface of the protrusion 6, which occupies little space. When in use, the handle can extend to cooperate with the user's hand, which helps to reduce the space occupation rate.

[0029] In this embodiment, the protruding strip 6 is provided with a strip groove 62 extending in the vertical direction. The strip groove 62 penetrates the upper and lower end faces of the protruding strip 6, which helps to reduce weight and save materials. At the same time, it can also increase the contact area with air at this point and improve heat dissipation performance.

[0030] Example 3: Figure 2 and Figure 4 As shown, the rest of the parts are the same as in Embodiment 1, except that the end cap 12 is stepped, and the upper end of the end cap 12 is recessed downward to form a U-shaped groove 121 and a clearance groove 122. The second handle 4 is accommodated in the groove 121 and is rotatably connected to the inner wall of the groove 121. The clearance groove 122 is connected to the middle section of the groove 121. An installation port 123 is provided on the stepped surface of the end cap 12, and the socket 5 is provided at the installation port 123. The second handle 4 is also U-shaped.

[0031] In this embodiment, the clearance groove 122 is located on the side of the groove 121 away from the socket 5. The user contacts the middle of the second handle 4 through the clearance groove 122 and flips the second handle 4 up, so that the clearance groove 122 is located on the side of the groove 121 away from the socket 5, ensuring that the hand will not approach the location of the socket 5 when the second handle 4 is flipped up.

[0032] In this embodiment, a connector 7 is detachably connected to the socket 5, and a cable 8 is connected to the connector 7. Preferably, the connector 7 is a type of automotive high-voltage connector 7 disclosed in application number CN2024229006310, which is designed to prevent accidental contact and has both quick plugging / unplugging and locking functions, as well as power and signal transmission functions.

[0033] In this technical solution, the stepped design can ensure the structural strength of the second handle 4. When the user takes out or puts out the battery pack through the second handle 4, the end cover 12 is not easily damaged. The step surface is relatively low, forming a space for the connector 7 to be accommodated. After connecting the connector 7, the change in the overall height of the structure is small, so that it can be compactly installed on the electric vehicle.

[0034] Example 4: Figure 2 As shown, the rest is the same as in Embodiment 1, except that the battery module 2 includes a cell assembly 21, a protection board 22, and a BDU 23. The protection board 22 covers the upper end of the cell assembly 21, and the BDU 23 is fixedly mounted on the upper surface of the protection board 22. By adopting a master-slave integrated protection board 22, a compatibility design is achieved, ensuring that the battery pack is suitable for various two-wheeled delivery vehicles and three-wheeled and four-wheeled express delivery vehicles.

[0035] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the implementation of the present invention is not limited to the above-described manner. Any improvements made by adopting the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution of the present invention to other occasions without modification, are all within the protection scope of the present invention.

Claims

1. A battery pack that is easy to replace quickly, comprising a housing (1), wherein a battery module (2) is disposed within the housing (1), characterized in that: The outer casing (1) includes a housing (11) with an opening at the top and an end cap (12) covering the upper end of the housing (11). A first handle (3) is provided on the side of the housing (11), and a second handle (4) and a socket (5) are provided on the end cap (12). The battery module (2) is disposed inside the housing (11), and the socket (5) is electrically connected to the battery module (2).

2. The battery pack for easy and quick replacement according to claim 1, characterized in that: The housing (11) is made of aluminum, and the end cap (12) is made of plastic.

3. The battery pack for easy and quick replacement according to claim 2, characterized in that: The side of the housing (11) is provided with a protrusion (6) extending in the vertical direction, and the lower end of the protrusion (6) is provided with an inclined guide surface (61). The first handle (3) is fixedly connected to the protrusion (6).

4. A battery pack for easy and quick replacement according to claim 1 or 3, characterized in that: The first handle (3) is a telescopic handle.

5. A battery pack for easy and quick replacement according to claim 3, characterized in that: The protruding strip (6) is provided with a strip groove (62) extending in the vertical direction, and the strip groove (62) penetrates the upper and lower end faces of the protruding strip (6).

6. A battery pack for easy and quick replacement according to claim 1, characterized in that: The end cap (12) is stepped, and the upper end of the end cap (12) is recessed downward to form a U-shaped groove (121) and a relief groove (122). The second handle (4) is accommodated in the groove (121) and is rotatably connected to the inner wall of the groove (121). The relief groove (122) is connected to the middle section of the groove (121). An installation port (123) is provided on the stepped surface of the end cap (12), and the socket (5) is located at the installation port (123).

7. A battery pack for easy and quick replacement according to claim 6, characterized in that: The clearance groove (122) is located on the side of the groove (121) away from the socket (5).

8. A battery pack for easy and quick replacement according to claim 1, characterized in that: A connector (7) is detachably connected to the socket (5), and a cable (8) is connected to the connector (7).

9. A battery pack for easy and quick replacement according to claim 1, characterized in that: The battery module (2) includes a cell assembly (21), a protection board (22) and a BDU (23). The protection board (22) covers the upper end of the cell assembly (21), and the BDU (23) is fixedly disposed on the upper surface of the protection board (22).

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