Lithium battery box

Abstract

The utility model discloses a lithium battery box. The lithium battery box comprises a detachable cover, a battery cell assembly, a BMS (Battery Management System) protection plate and a partition plate, the partition plate is located in the lithium battery box and divides the internal space of the lithium battery box into a first accommodating bin and a second accommodating bin; the BMS protection plate is located on one side of the partition plate, and the BMS protection plate is located in the first containing bin; an opening is formed in one side of the outer side wall of the lithium battery box and located above the BMS protection plate. The cover is positioned in the opening; and the battery cell assembly is positioned in the second accommodating bin. And when the BMS protection plate is damaged, the cover can be opened, and the BMS protection plate in the first accommodating bin is independently disassembled and replaced, so that the battery can work normally, the maintenance time cost of the lithium battery box is reduced, and the maintenance process of the lithium battery box is simplified.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery box. Background Art

[0002] Currently, the BMS protection board in the lithium battery box on the market is generally installed together with the battery cells and other parts in the lithium battery box. When the BMS protection board is damaged, since the BMS protection board is installed together with the battery cells and other parts, the entire lithium battery box needs to be disassembled and the BMS protection board and the battery cells and other parts need to be separated before the damaged BMS protection board can be replaced with a new one, which increases the maintenance time and cost of the lithium battery box and complicates the maintenance process of the lithium battery box. Utility Model Content

[0003] In order to overcome the problems existing in the related art, the utility model provides a lithium battery box. When the BMS protection board is damaged, the cover can be opened and the BMS protection board located in the first storage compartment can be removed and replaced separately, and the battery can then work normally, reducing the maintenance time cost of the lithium battery box and simplifying the maintenance process of the lithium battery box.

[0004] When the battery BMS fails and cannot be remotely repaired and powered on, the negative terminal is electrically connected to the backup negative terminal, thereby reducing the cost of battery use.

[0005] The utility model provides a lithium battery box, which includes a detachable cover, a battery core assembly, a BMS protection plate and a partition;

[0006] The partition is located in the lithium battery box, and the partition divides the internal space of the lithium battery box into a first accommodating compartment and a second accommodating compartment;

[0007] The BMS protection plate is located on one side of the partition, and the BMS protection plate is located in the first containing compartment;

[0008] An opening is provided on one side of the outer wall of the lithium battery box, and the opening is located above the BMS protection plate;

[0009] The cover is located within the opening;

[0010] The battery cell assembly is located in the second accommodating compartment.

[0011] Furthermore, the lithium battery box is provided with N negative terminals and N positive terminals, where N is an integer greater than or equal to 1.

[0012] Furthermore, a spare negative terminal is provided on one side of the lithium battery box;

[0013] A spare negative terminal cover is provided on the spare negative terminal, and the spare negative terminal cover covers the spare negative terminal.

[0014] Furthermore, the spare negative terminal cover is bolted to one side of the lithium battery box.

[0015] Furthermore, the lithium battery box also includes a GPS locator;

[0016] The GPS locator is located on the inner wall of the cover;

[0017] The GPS locator is connected to the cover.

[0018] Furthermore, a fixing piece is provided outside the lithium battery box.

[0019] The utility model provides a lithium battery box. When the BMS protection board is damaged, the cover can be opened and the BMS protection board located in the first accommodating compartment can be removed and replaced separately, and the battery can then work normally, thereby reducing the maintenance time cost of the lithium battery box and simplifying the maintenance process of the lithium battery box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.

[0021] Figure 1 A schematic structural diagram of a lithium battery box provided in Example 1 of the present utility model;

[0022] Figure 2 This is a schematic structural diagram of the other side of a lithium battery box provided in Example 1 of the present utility model;

[0023] Figure 3 A schematic diagram of the partial structure of a lithium battery box provided in Example 1 of the present utility model;

[0024] Figure 4 A schematic structural diagram of an opening provided in Example 1 of the present utility model;

[0025] Figure 5 A schematic structural diagram of a lithium battery box provided in Example 2 of the present utility model;

[0026] Figure 6 A schematic structural diagram of the backup negative terminal provided in the second embodiment of the present utility model;

[0027] Figure 7 A schematic diagram of the structure of the BMS protection board provided in the second embodiment of the present utility model;

[0028] Figure 8 This is a schematic structural diagram of the partition provided in Example 2 of the present utility model. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] Please refer to Figures 1 to 4 The present invention provides a lithium battery box, comprising a detachable cover 1, a battery cell assembly, a BMS protection plate 2, and a partition 3; the partition 3 is located inside the lithium battery box, and the partition 3 divides the internal space of the lithium battery box into a first accommodating compartment and a second accommodating compartment; the BMS protection plate 2 is located on one side of the partition 3, and the BMS protection plate 2 is located in the first accommodating compartment; an opening 101 is provided on one side of the outer wall of the lithium battery box, and the opening 101 is located above the BMS protection plate 2; the cover 1 is located in the opening 101; and the battery cell assembly is located in the second accommodating compartment.

[0031] Specifically, BMS is the full name of Battery Management System in English and the full name of Battery Management System in Chinese. It is mainly used for intelligent management and maintenance of batteries, monitoring the status of batteries, preventing batteries from overcharging and over-discharging, thereby extending the battery life.

[0032] The BMS protection board 2 is used to manage and maintain the battery, ensuring stable and normal operation of the battery; the partition 3 is used to divide the internal space of the lithium battery box into a first accommodating compartment and a second accommodating compartment. When the BMS protection board 2 is damaged, since the BMS protection board 2 is located on one side of the partition 3, the BMS protection board 2 is located in the first accommodating compartment. The cover 1 can be opened and the BMS protection board 2 located in the first accommodating compartment can be removed and replaced separately, and the battery can work normally, reducing the maintenance time cost of the lithium battery box and simplifying the maintenance process of the lithium battery box.

[0033] Furthermore, the lithium battery box is provided with N negative terminals 4 and N positive terminals 5, wherein N is an integer greater than or equal to 1.

[0034] Furthermore, a spare negative terminal 6 is provided on one side of the lithium battery box; a spare negative terminal cover 61 is provided on the spare negative terminal 6 , and the spare negative terminal cover 61 covers the spare negative terminal 6 .

[0035] Furthermore, the spare negative terminal cover 61 is connected to one side of the lithium battery box by bolts.

[0036] Specifically, if the battery's BMS fails and cannot be remotely repaired and powered on, the battery can be operated normally by electrically connecting the negative terminal 4 to the backup negative terminal 6, thereby reducing the battery's operating costs. The backup negative terminal cover 61 is used to protect the backup negative terminal 6 from damage caused by external factors such as corrosion and pressure. If the battery's BMS fails and cannot be remotely repaired and powered on, the bolts between the backup negative terminal cover 61 and one side of the lithium battery box are removed, and the negative terminal is electrically connected to the backup negative terminal, and the battery can be operated normally.

[0037] Furthermore, the lithium battery box also includes a GPS locator 7; the GPS locator 7 is located on the inner wall of the cover 1; and the GPS locator 7 is connected to the cover 1.

[0038] Specifically, the GPS in the GPS locator 7 stands for Global Positioning System in English and Global Positioning System in Chinese. The GPS locator 7 is used to locate the position of the battery. When the lithium battery box is stolen, the GPS locator 7 can send a positioning signal. After the user uses a signal receiver to receive the positioning signal, he can know the specific location of the lithium battery box.

[0039] Furthermore, a fixing part 8 is provided outside the lithium battery box.

[0040] Specifically, the fixing parts 8 are used to fix the lithium battery box into the battery vehicle. The number of the fixing parts 8 is greater than or equal to two. The number of the fixing parts 8 is set to ensure that the fixing parts 8 can be fixed into the battery vehicle.

[0041] An embodiment of the present utility model provides a lithium battery box. When the BMS protection board 2 is damaged, since the BMS protection board 2 is located on one side of the partition 3 and the BMS protection board 2 is located in the first accommodating compartment, the cover 1 can be opened and the BMS protection board 2 located in the first accommodating compartment can be removed and replaced separately, and the battery can then work normally, thereby reducing the maintenance time cost of the lithium battery box and simplifying the maintenance process of the lithium battery box. When the battery BMS fails and cannot be remotely repaired and powered on, the negative terminal 4 is electrically connected to the spare negative terminal 6, and the battery can work normally, thereby reducing the use cost of the battery.

[0042] Example 2

[0043] According to user needs, please refer to Figures 5 to 8The present invention provides another lithium battery box, comprising a detachable cover 1, a battery cell assembly, a BMS protection plate 2, a partition 3, a negative terminal 4, a positive terminal 5, a spare negative terminal 6, a spare negative terminal cover 61, a GPS locator 7, a fixing member 8, and an opening 101. Compared with the first embodiment, the second embodiment only adjusts the size and shape of the lithium battery box; the number and position of the negative terminal 4 and the positive terminal 5 are adjusted; the position of the battery cell assembly, the spare negative terminal 6, the spare negative terminal cover 61, the BMS protection plate 2, the GPS locator 7, and the fixing member 8 are adjusted; the size, shape, and position of the cover 1, the opening 101, and the partition 3 are adjusted; since the second embodiment adopts all the technical solutions of the first embodiment, it has at least the beneficial effects brought by the technical solutions of the first embodiment, which will not be repeated here.

[0044] In addition, the lithium battery box provided in the embodiment of the present invention is introduced in detail above. Specific examples are used herein to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core idea of the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A lithium battery box, characterized in that: The lithium battery box includes a detachable cover, a battery cell assembly, a BMS protection plate and a separator; The partition is located in the lithium battery box, and the partition divides the internal space of the lithium battery box into a first accommodating compartment and a second accommodating compartment; The BMS protection plate is located on one side of the partition, and the BMS protection plate is located in the first containing compartment; An opening is provided on one side of the outer wall of the lithium battery box, and the opening is located above the BMS protection plate; The cover is located within the opening; The battery cell assembly is located in the second accommodating compartment.

2. The lithium battery box according to claim 1, characterized in that: The lithium battery box is provided with N negative terminals and N positive terminals, wherein N is an integer greater than or equal to 1.

3. The lithium battery box according to claim 1, characterized in that: A spare negative terminal is provided on one side of the lithium battery box; A spare negative terminal cover is provided on the spare negative terminal, and the spare negative terminal cover covers the spare negative terminal.

4. The lithium battery box according to claim 3, characterized in that: The spare negative terminal cover is connected to one side of the lithium battery box with bolts.

5. The lithium battery box according to claim 1, characterized in that: The lithium battery box also includes a GPS locator; The GPS locator is located on the inner wall of the cover; The GPS locator is connected to the cover.

6. The lithium battery box according to claim 1, characterized in that: A fixing piece is provided outside the lithium battery box.

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