Battery shell, battery and battery pack

Abstract

The invention relates to the technical field of batteries, in particular to a battery shell, a battery and a battery pack. The battery pack comprises a battery shell and a plurality of batteries installed in the battery shell, cushion layers are arranged between the batteries and the inner wall of the battery shell, the battery shell is movably installed at the bottom of the frame chassis, C-shaped arms are movably installed on the two sides of the bottom of the frame chassis respectively, and the battery shell is installed between the two C-shaped arms in a sliding mode; the battery shell is composed of two shells which are oppositely spliced and combined together; the battery is a cylindrical cell battery; the frame chassis is connected with the C-shaped arms through the two connecting rods, the two ends of the connecting rods are rotationally connected with the frame chassis and the C-shaped arms correspondingly, the connecting rods are controlled to rotate, so that the battery shell is separated from the bottom of the frame chassis, and at the moment, the battery shell can slide between the two C-shaped arms; therefore, the battery pack can be quickly and safely separated from the frame.

Description

Technical Field

[0001] This invention relates to the field of battery technology, and more specifically, to a battery casing, a battery, and a battery pack. Background Technology

[0002] An existing battery pack application with application number CN202180020691.X discloses the use of multiple mounting features to connect the battery casing and the battery cell support, thereby enabling the replacement of battery cells with different configurations and allowing for flexible combination of battery products. The battery pack includes a casing with cavities; the battery pack includes a battery cell support with a first bracket and a second bracket; the first bracket and the second bracket support multiple battery cells therebetween; based on the size of the multiple battery cells supported between the first bracket and the second bracket, the battery cell support can be configured in different configurations; multiple mounting features are used between the casing and the battery cell support in the battery pack; the multiple mounting features are configured to alternatively fix the battery cell support with different configurations to the casing; however, the battery pack obtained by adopting the above solution does not have the ability to quickly and safely detach from the vehicle frame. Summary of the Invention

[0003] To achieve the goal of enabling rapid and safe disengagement from the vehicle frame, the present invention adopts the following technical solution:

[0004] The purpose of this invention is to provide a solution for movably mounting a battery pack on the outer side of the bottom of a vehicle chassis. In the event of abnormally high battery pack temperatures, the battery pack can be detached from the bottom of the vehicle chassis to enable a quick and safe detachment operation from the vehicle frame.

[0005] To achieve the above objectives, the present invention provides a battery pack, including a battery casing and a plurality of batteries installed inside the battery casing, wherein a pad is provided between the batteries and the inner wall of the battery casing.

[0006] The battery casing of this application consists of two oppositely spliced ​​and combined casings.

[0007] The battery in this application is a cylindrical cell battery.

[0008] In this application, the battery casing is movably installed at the bottom of the vehicle frame chassis, and C-shaped arms are movably installed on both sides of the bottom of the vehicle frame chassis, with the battery casing slidably installed between the two C-shaped arms.

[0009] The chassis is connected to the C-arm via two links. The two ends of the links are rotatably connected to the chassis and the C-arm, respectively. By controlling the rotation of the links, the battery casing is separated from the bottom of the chassis. At this time, the battery casing can slide between the two C-arms to allow the battery pack to be quickly and safely detached from the chassis. Attached Figure Description

[0010] The following figures are intended only to illustrate and explain the present invention, wherein:

[0011] Figure 1 This is a schematic diagram of the structure of the battery, battery pack, and battery casing of the present invention;

[0012] Figure 2 This is a schematic diagram of the vehicle chassis, housing, and C-arm 31 of the present invention;

[0013] Figure 3 This is a schematic diagram of the drive module, C-arm, and connecting rod of the present invention;

[0014] Figure 4 This is a schematic diagram of the C-shaped arm, connecting rod, and drive end of the present invention;

[0015] Figure 5 This is a schematic diagram of the structure of the air-cooling channel I, air-cooling channel II, and groove of the present invention.

[0016] In the figure: chassis 11; drive module 12; housing 21; padding 22; battery 23; air-cooling channel I 24; air-cooling channel II 25; groove 26; filter screen 27; C-arm 31; connecting rod 32; drive end 33. Detailed Implementation

[0017] In order to enable a quick and safe detachment operation from the vehicle frame, the present invention provides a battery pack, including a battery casing and a plurality of batteries 23 installed inside the battery casing, wherein a padding layer 22 is provided between the batteries 23 and the inner wall of the battery casing.

[0018] The padding layer 22 is divided into a plate-shaped padding layer and an annular padding layer. The plate-shaped padding layer is located on the upper and lower sides of the battery 23, and the annular padding layer is located on the periphery of the battery 23, reducing the probability of damage to the internal batteries when the battery pack is impacted.

[0019] The battery casing of this application consists of two shells 21 joined together in opposite directions.

[0020] The battery 23 in this application is a cylindrical cell battery.

[0021] The following describes specific embodiments of the present invention.

[0022] Reference Figure 1-2 The following is an embodiment illustrating the rapid and safe detachment of the battery pack provided by the present invention from the vehicle frame:

[0023] The battery casing of this application is movably installed at the bottom of the chassis 11. C-shaped arms 31 are movably installed on both sides of the bottom of the chassis 11, and the battery casing is slidably installed between the two C-shaped arms 31.

[0024] The bottom of the chassis 11 has a groove that can fit into the top of the battery casing.

[0025] The chassis 11 is connected to the C-arm 31 via two links 32. The chassis 11, the C-arm 31 and the two links 32 together form a parallelogram mechanism.

[0026] The two ends of the connecting rod 32 are rotatably connected to the chassis 11 and the C-shaped arm 31, respectively. By controlling the rotation of the connecting rod 32, the battery casing is separated from the bottom groove of the chassis 11. At this time, the battery casing can slide between the two C-shaped arms 31 so that the battery can be quickly and safely detached from the chassis.

[0027] Reference Figure 1-4 The illustration shows an embodiment of the battery pack provided by the present invention, in which changing the position of the drive module 12 causes the drive end 33 to be moved, thereby driving multiple connecting rods 32 to rotate synchronously:

[0028] A drive module 12 is slidably mounted on the chassis 11 of this application, and a drive end 33 is integrally formed on the connecting rod 32. The drive end 33 is positioned as follows: Figure 3 The state shown is embedded in the driver module 12.

[0029] The sliding of the drive module 12 on the chassis 11 can be controlled by an electric telescopic rod or a gear motor. By changing the position of the drive module 12, the drive end 33 is moved, causing multiple connecting rods 32 to rotate synchronously, so that the battery casing is separated from the bottom groove of the chassis 11.

[0030] The drive module 12 is vertically slidably installed with a limiting tooth plate, which is engaged with the limiting tooth groove in the chassis 11 to increase the position locking effect of the drive module 12 on the chassis 11.

[0031] Reference Figure 1-2 and Figure 5 The following illustration shows an embodiment of the battery pack provided by the present invention that is naturally cooled as the vehicle is in motion:

[0032] The battery casing of this application is provided with a cooling channel, and a filter 27 is installed at the end of the cooling channel. The filter 27 is embedded in the groove 26 at the end of the battery casing, which increases the firmness of the filter 27 and the edge protection effect of the filter 27.

[0033] The air-cooling channel extends in the same direction as the vehicle's driving direction. The air-cooling channel is divided into air-cooling channel I 24 and air-cooling channel II 25. Air-cooling channel I 24 and air-cooling channel II 25 are respectively curved and straight trajectories. The curved channel extends in the middle of the housing 21, and the straight channel extends at the edge of the housing 21. During vehicle operation, airflow passes through air-cooling channel I 24 and air-cooling channel II 25 to naturally cool the battery pack, reduce the operating temperature of the battery pack, and improve the equipment's performance.

Claims

1. A battery pack, comprising a battery casing and a plurality of batteries (23) installed inside the battery casing, wherein a pad (22) is provided between the batteries (23) and the inner wall of the battery casing, characterized in that: The battery casing is movably mounted on the bottom of the chassis (11).

2. The battery pack according to claim 1, characterized in that: C-shaped arms (31) are movably installed on both sides of the bottom of the chassis (11), and the battery casing is slidably installed inside the C-shaped arms (31).

3. The battery pack according to claim 2 or 1, characterized in that: The battery casing is composed of two oppositely joined shells (21).

4. The battery pack according to claim 2, characterized in that: The chassis (11) is connected to the C-arm (31) via two connecting rods (32), and the two ends of the connecting rods (32) are rotatably connected to the chassis (11) and the C-arm (31) respectively.

5. The battery pack according to claim 4, characterized in that: A drive module (12) is slidably mounted on the chassis (11), and a drive end (33) is integrally formed on the connecting rod (32), which is embedded in the drive module (12).

6. The battery pack according to claim 1, characterized in that: The pad (22) is divided into a plate-shaped pad and an annular pad. The plate-shaped pad is located on the upper and lower sides of the battery (23), and the annular pad is located on the periphery of the battery (23).

7. The battery pack according to claim 1, characterized in that: The battery casing is provided with an air-cooling channel, and a filter screen (27) is installed at the end of the air-cooling channel.

8. The battery pack according to claim 7, characterized in that: The filter (27) is embedded in a groove (26) installed at the end of the battery casing.

9. The battery pack according to claim 5, characterized in that: The drive module (12) is vertically slidably installed with a limiting tooth plate, which is engaged with the limiting tooth groove in the chassis (11).

10. The battery pack according to claim 1, characterized in that: The battery (23) is a cylindrical cell battery.

Images