Automobile starting lithium battery pack with automatic heating function

Abstract

The automobile starting lithium battery pack with the automatic heating function comprises a bottom shell, an upper cover and battery cell modules, the upper cover is installed on the top of the bottom shell, the battery cell modules are installed in the bottom shell and the upper cover through bolts, and each battery cell module comprises fixing plates which are symmetrically arranged in parallel. A plurality of battery packs are installed between the two fixing plates, and heating pieces are installed between the battery packs and the fixing plates and between the adjacent battery packs; the battery cell support, the fixing plate and the screw are used for fixing, so that the battery cells can be effectively protected and fixed, the battery is prevented from shaking during vehicle movement and on a complex road surface, the battery cells are combined according to a corresponding mode in the assembling process to form the required battery module, the heating piece is installed in the battery pack, the battery pack can be used in a low-temperature environment, and the battery pack is convenient to use. And multi-scene use.

Description

Technical Field

[0001] The utility model relates to the technical field of power lithium-ion batteries, in particular to a car starting lithium battery pack with an automatic heating function. Background Art

[0002] Lithium battery is a widely used power source. It usually uses multiple single cells in series and parallel combination according to the voltage and capacity requirements of the load. The voltage is increased by series connection and the capacity is increased by parallel connection. The single cell use is gradually shifting to modularization and assembled into large-capacity battery packs, which are gradually used in electric vehicles and energy storage.

[0003] When the vehicle is in motion or on complex roads, the battery is prone to shaking. At the same time, when used in a low-temperature environment, the overall performance of the lithium battery module is affected, which in turn causes the electric vehicle to be unable to be used normally. Utility Model Content

[0004] The problem solved by the utility model is to provide a car starting lithium battery pack with automatic heating function, which solves the problem that the battery is prone to shaking when the vehicle is moving and on complex roads, and the overall performance of the lithium battery module is affected when used in a low temperature environment, thereby causing the electric car to be unable to be used normally.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A car starting lithium battery pack with automatic heating function comprises a bottom shell, an upper cover and a battery module, wherein the upper cover is installed on the top of the bottom shell, the battery module is installed inside the bottom shell and the upper cover by bolts, the battery module comprises symmetrically parallel fixed plates, and a plurality of battery packs are installed between two fixed plates, heating plates are installed between the battery packs and the fixed plates and between adjacent battery packs, mounting plates are installed on the top sides of the two fixing plates, a BMS is installed on the mounting plate, and the BMS is electrically connected to the battery pack by connecting copper bars.

[0007] Preferably, two terminals are installed on the upper cover, and the two terminals are respectively a positive terminal and a negative terminal, and threaded holes are opened on the terminals.

[0008] Preferably, a folding handle is rotatably mounted on the upper cover.

[0009] Preferably, the battery pack comprises a cell holder, in which a plurality of cells are installed.

[0010] Preferably, screws are passed through the fixing plate and the battery cell bracket, and the screws are connected to nuts.

[0011] The beneficial effects of the utility model are:

[0012] The battery cells can be effectively protected and fixed by using battery cell brackets, fixing plates and screws to prevent the battery from shaking during vehicle movement and on complex roads. During the assembly process, the battery cells can be combined in a corresponding manner to form the required battery module.

[0013] A heating plate is installed inside the battery pack, so it can be used in low temperature environments and in multiple scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the battery cell module of the utility model.

[0017] Legend:

[0018] 1. Bottom shell; 2. Upper cover; 3. Battery module; 4. Terminal; 5. Folding handle; 6. Fixing plate; 7. Battery bracket; 8. Battery; 9. Heating plate; 10. Mounting plate; 11. BMS; 12. Connecting copper busbar; 13. Screw. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Specific examples are given below.

[0021] See also Figure 1 to Figure 3A lithium battery pack for starting a car with an automatic heating function comprises a bottom shell 1, an upper cover 2 and a battery module 3. The upper cover 2 is installed on the top of the bottom shell 1. The bottom shell 1 and the upper cover 2 are designed with ABS+PC flame-retardant materials, which can be effectively waterproof and flame-retardant to ensure battery safety. The battery module 3 is installed inside the bottom shell 1 and the upper cover 2 by bolts. The battery module 3 comprises a fixing plate 6 symmetrically arranged in parallel, and a plurality of battery packs are installed between the two fixing plates 6. A heating plate 9 is installed between the battery pack and the fixing plate 6 and between adjacent battery packs. The two A mounting plate 10 is installed on the top side of the fixing plate 6, a BMS 11 is installed on the mounting plate 10, and the BMS 11 is electrically connected to the battery pack through a connecting copper bus 12. The battery pack includes a cell holder 7, and a plurality of cells 8 are installed in the cell holder 7. A screw 13 runs through the fixing plate 6 and the cell holder 7, and the screw 13 is connected to a nut, which can effectively protect the cell 8 and fix the cell 8 to prevent the battery from shaking during vehicle movement and on complex roads. In the assembly process, the cell 8 is combined in a corresponding manner to form a required battery module.

[0022] Two terminals 4 are installed on the upper cover 2, and the two terminals 4 are respectively a positive terminal and a negative terminal. The terminals 4 are provided with threaded holes and can be used for multiple purposes. A folding handle 5 is rotatably installed on the upper cover 2 to facilitate hand-carrying and transporting the entire lithium battery pack.

[0023] The battery pack, the heating plate 9 and the fixing plate 6 are arranged in parallel, and the screws 13 are passed through and connected with the nuts to complete the fixation, and then the mounting plate 10 and the BMS 11 are installed to complete the assembly of the battery cell module 3, and the battery cell module 3 is installed in the bottom shell 1 and covered with the upper cover 2.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A car starting lithium battery pack with automatic heating function, characterized in that: The invention comprises a bottom shell (1), an upper cover (2) and a battery module (3), wherein the upper cover (2) is installed on the top of the bottom shell (1), the battery module (3) is installed inside the bottom shell (1) and the upper cover (2) by means of bolts, the battery module (3) comprises a fixing plate (6) symmetrically arranged in parallel, and a plurality of battery packs are installed between two fixing plates (6), heating plates (9) are installed between the battery pack and the fixing plate (6) and between adjacent battery packs, a mounting plate (10) is installed on the top side of the two fixing plates (6), a BMS (11) is installed on the mounting plate (10), and the BMS (11) is electrically connected to the battery pack via a connecting copper busbar (12).

2. The car starting lithium battery pack with automatic heating function according to claim 1, characterized in that: Two terminals (4) are installed on the upper cover (2), and the two terminals (4) are respectively a positive terminal and a negative terminal, and threaded holes are provided on the terminals (4).

3. The car starting lithium battery pack with automatic heating function according to claim 2, characterized in that: A folding handle (5) is rotatably mounted on the upper cover (2).

4. The car starting lithium battery pack with automatic heating function according to claim 3, characterized in that: The battery pack comprises a battery cell support (7), and a plurality of battery cells (8) are installed in the battery cell support (7).

5. The car starting lithium battery pack with automatic heating function according to claim 4, characterized in that: The fixing plate (6) and the battery cell support (7) are penetrated by a screw rod (13), and the screw rod (13) is connected to a nut.

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