Integrated square lithium ion battery module

Abstract

This utility model discloses an integrated square lithium-ion battery module for integrating square lithium-ion batteries into a group. It includes an insulating cover, a battery sampling integration unit, a busbar, an integrated upper bracket, square lithium-ion batteries, and an integrated lower bracket. The integrated upper bracket is located above the square lithium-ion batteries, and the integrated lower bracket is located below them, clamping the square lithium-ion batteries together. The busbar is fixed to the integrated upper bracket. One end of the busbar is connected to the output terminal of the square lithium-ion battery, and the other end is connected to the battery sampling integration unit. The insulating cover is disposed on one side of the square lithium-ion battery and fixed to the upper bracket. This utility model has the function of integrating multiple square lithium-ion batteries into a safe and reliable standard voltage battery module. Furthermore, the designed plastic upper and lower brackets can expand or decrease the voltage by adding or removing cycle interruptions to meet the needs of different voltage platforms.

Description

Technical Field

[0001] This utility model relates to the field of lithium-ion battery module technology, specifically to an integrated square lithium-ion battery module. Background Technology

[0002] Lithium-ion batteries offer advantages over traditional lead-acid batteries, including higher energy density, smaller size, and longer cycle life, leading to their widespread use in various electronic devices and new energy vehicles. In practical applications, to increase the battery voltage to meet relevant international communication power standards, multiple lithium-ion batteries need to be connected in series.

[0003] However, some problems exist during use: on the one hand, the status of each battery needs to be monitored in real time to ensure the safe and stable operation of the battery pack; on the other hand, in terms of structural design, the product must have good insulation to avoid safety accidents and equipment damage caused by short circuits and other situations.

[0004] Therefore, it is necessary to design an integrated square lithium-ion battery module to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by designing an integrated square lithium-ion battery module. This module integrates multiple square lithium-ion batteries into a safe and reliable standard voltage battery module. Furthermore, the designed integrated plastic upper and lower brackets can be used to expand or reduce the voltage by adding or removing cycle breaks to meet the needs of different voltage platforms. The specific technical solution is as follows:

[0006] An integrated square lithium-ion battery module is provided for integrating square lithium-ion batteries into a group, including an insulating cover, a battery sampling integration unit, a busbar, an integrated upper bracket, a square lithium-ion battery, and an integrated lower bracket. The integrated upper bracket is located above the square lithium-ion battery, and the integrated lower bracket is located below the square lithium-ion battery. The integrated upper bracket and the integrated lower bracket are arranged vertically opposite each other and together clamp the square lithium-ion battery. The busbar is located on the side of the integrated upper bracket facing the square lithium-ion battery and is fixed to the integrated upper bracket. One end of the busbar is connected to the output terminal of the square lithium-ion battery, and the other end is connected to the battery sampling integration unit. The insulating cover is located on the side of the integrated upper bracket away from the square lithium-ion battery and is fixed to the integrated upper bracket.

[0007] Preferably, the battery sampling integration unit includes a connector, a nickel plate, a temperature sensor, and a circuit board. The connector, nickel plate, and temperature sensor are all connected to the circuit board. The side of the nickel plate facing away from the circuit board is connected to the surface of the busbar facing the integrated upper bracket, so that the battery sampling integration unit is fixed to the busbar by the nickel plate.

[0008] Preferably, the lower surface of the busbar is fixedly connected to the output electrode of the square lithium-ion battery by welding, and the upper surface of the busbar is fixedly connected to the battery sampling integration unit by welding.

[0009] Preferably, both the integrated upper bracket and the integrated lower bracket are made of plastic.

[0010] Compared with the closest existing technology, the technical solution provided by this utility model has the following beneficial effects:

[0011] This utility model discloses an integrated square lithium-ion battery module, which integrates multiple square lithium-ion batteries into a safe and reliable standard voltage battery module. The square lithium-ion batteries are fixed by clamping from the top and bottom. The integrated design makes the overall structure compact, reduces loose connections between components, improves the integrity and stability of the module, and facilitates installation, transportation and use. It can meet the needs of battery module integration in practical applications. At the same time, the designed integrated plastic upper bracket and lower bracket can expand or reduce the voltage by adding or removing cycle isolation to meet the needs of different voltage platforms. Attached Figure Description

[0012] Figure 1 A schematic diagram of an integrated square lithium-ion battery module structure;

[0013] Explanation of reference numerals in the attached diagram: 1. Insulating cover; 2. Battery sampling integrated unit; 3. Busbar; 4. Connector; 5. Integrated upper bracket; 6. Square lithium-ion battery; 7. Integrated lower bracket; 8. Temperature sensor; 9. Circuit board; 10. Nickel sheet. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0015] Please see Figure 1 This utility model provides a technical solution:

[0016] An integrated square lithium-ion battery module is disclosed for integrating square lithium-ion batteries into a group. It includes an insulating cover 1, a battery sampling integration unit 2, a busbar 3, an integrated upper bracket 5, square lithium-ion batteries 6, and an integrated lower bracket 7. The integrated upper bracket 5 is located above the square lithium-ion batteries 6, and the integrated lower bracket 7 is located below the square lithium-ion batteries 6. The integrated upper bracket 5 and integrated lower bracket 7 are arranged vertically opposite each other and together clamp the square lithium-ion batteries 6. The busbar 3 is located on the side of the integrated upper bracket 5 facing the square lithium-ion batteries 6 and is fixed to the integrated upper bracket 5. One end of the busbar 3 is connected to the output terminal of the square lithium-ion batteries 6, and the other end is connected to the battery sampling integration unit 2. The insulating cover 1 is located on the side of the integrated upper bracket 5 away from the square lithium-ion batteries 6 and is fixed to the integrated upper bracket 5 to form protection for the battery module. This integrated square lithium-ion battery module has the function of integrating multiple square lithium-ion batteries 6 into a safe and reliable standard voltage battery module.

[0017] Furthermore, the battery sampling integrated unit 2 includes a connector 4, a nickel plate 10, a temperature sensor 8, and a circuit board 9. The connector 4, nickel plate 10, and temperature sensor 8 are all connected to the circuit board 9. The side of the nickel plate 10 facing away from the circuit board 9 is connected to the surface of the busbar 3 facing the integrated upper bracket 5, so that the battery sampling integrated unit 2 is fixed to the busbar 3 by the nickel plate 10. The circuit board 9 collects the voltage of the square lithium-ion battery 6, and the temperature sensor 8 collects the temperature of the square lithium-ion battery 6.

[0018] Furthermore, the lower surface of busbar 3 is fixedly connected to the output electrode of the square lithium-ion battery 6 by welding, realizing the series connection of multiple square lithium-ion batteries and effectively improving the voltage of the battery module. The upper surface of busbar 3 is fixedly connected to the battery sampling integration unit 2 by welding, ensuring the stability of signal transmission between the sampling unit and the battery and guaranteeing the accuracy of the sampling data.

[0019] Furthermore, both the integrated upper bracket 5 and the integrated lower bracket 7 are made of plastic. Using plastic, the square lithium-ion battery 6 is fixed by clamping from both ends. The plastic material has good insulation properties, preventing short circuits between the battery and the bracket, thus ensuring the electrical safety of the module. Simultaneously, these two brackets are designed with cyclic isolation, allowing for voltage expansion or reduction by increasing or decreasing the cyclic isolation to meet the needs of different voltage platforms. The above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still make modifications or equivalent substitutions to the specific implementation of this utility model. Any modifications or equivalent substitutions that do not depart from the spirit and scope of this utility model are within the protection scope of the pending claims of this utility model.

Claims

1. An integrated square lithium-ion battery module for integrating square lithium-ion batteries into a pack, characterized in that: It includes an insulating cover, a battery sampling integrated unit, a busbar, an integrated upper bracket, a square lithium-ion battery, and an integrated lower bracket; the integrated upper bracket is located above the square lithium-ion battery, and the integrated lower bracket is located below the square lithium-ion battery. The integrated upper bracket and the integrated lower bracket are arranged opposite each other and together clamp the square lithium-ion battery. The busbar is located on the side of the integrated upper bracket facing the square lithium-ion battery and is fixed to the integrated upper bracket; one end of the busbar is connected to the output terminal of the square lithium-ion battery, and the other end is connected to the battery sampling integration unit; the insulating cover is located on the side of the integrated upper bracket away from the square lithium-ion battery and is fixed to the integrated upper bracket.

2. The integrated square lithium-ion battery module according to claim 1, characterized in that: The battery sampling integration unit includes a connector, a nickel plate, a temperature sensor, and a circuit board. The connector, nickel plate, and temperature sensor are all connected to the circuit board. The side of the nickel plate facing away from the circuit board is connected to the surface of the busbar facing the integrated upper bracket, so that the battery sampling integration unit is fixed to the busbar by the nickel plate.

3. The integrated square lithium-ion battery module according to claim 1, characterized in that: The lower surface of the busbar is fixedly connected to the output electrode of the square lithium-ion battery by welding, and the upper surface of the busbar is fixedly connected to the battery sampling integration unit by welding.

4. The integrated square lithium-ion battery module according to claim 1, characterized in that: Both the integrated upper bracket and the integrated lower bracket are made of plastic.

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