CN219536406U

CN219536406U - Circuit management board for charging and discharging power battery

Info

Publication number: CN219536406U
Application number: CN202320675342.8U
Authority: CN
Inventors: 邹丽香; 包刘杰; 王军英; 杨妍
Original assignee: Juyi Suzhou New Power Co ltd
Current assignee: Juyi Suzhou New Power Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-15
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to the technical field of power battery circuit boards, in particular to a circuit management board for charging and discharging a power battery. The LED interface seat, the NTC interface seat, the first battery core interface seat and the second battery core interface seat are electrically connected with an integrated circuit on the PCB body; the top surface front end of PCB board body is equipped with a plurality of welded terminals, and communication interface is installed to one side at PCB board body top. The beneficial effects of the utility model are as follows: through carrying out the installation of ordering in proper order with each interface seat on the PCB board body, not only be convenient for make the access operation of each interface seat and external wire, improvement that simultaneously can be maximize carries out the installation operation of interface seat on the PCB board body, can carry out classified installation to the interface seat of different grade moreover, improves the convenience when the wiring subsequently.

Description

Circuit management board for charging and discharging power battery

Technical Field

The utility model relates to the technical field of power battery circuit boards, in particular to a circuit management board for charging and discharging a power battery.

Background

The BMS protection board carries out charge and discharge management on the lithium battery pack through the power Mosfet switch, and carries out intelligent balance on the electric quantity of each power cell in the process of charging, so that the situation of overcharge and overdischarge of a single power cell is prevented, the service life of the lithium battery pack is greatly prolonged, and the lithium battery pack is prevented from being damaged due to overcharge or overdischarge; when the existing BMS battery management board is used, the interface seats installed on the board body of the existing BMS battery management board are arranged in disorder, so that convenience of external wires in electric connection is affected, meanwhile, the interface seats are not convenient to install in a classified mode, and convenience of the BMS battery management board in electric connection is greatly affected.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: when the existing BMS battery management board is used, the interface seats installed on the board body of the existing BMS battery management board are arranged in disorder, so that convenience of external wires in electric connection is affected, meanwhile, the interface seats are not convenient to install in a classified mode, and convenience of the BMS battery management board in electric connection is greatly affected.

In order to solve the problems, the utility model adopts the following technical scheme: the circuit management board comprises a PCB body, wherein an LED interface seat, an NTC interface seat I, a battery core interface seat II and an NTC interface seat II are sequentially arranged at the rear end of the top surface of the PCB body from left to right, and the LED interface seat, the NTC interface seat I, the battery core interface seat II and the NTC interface seat II are electrically connected with an integrated circuit on the PCB body;

the top surface front end of PCB board body is equipped with a plurality of welded terminals, communication interface is installed to one side at PCB board body top.

The beneficial effects of the utility model are as follows: through carrying out the installation of ordering in proper order with each interface seat on the PCB board body, not only be convenient for make the access operation of each interface seat and external wire, improvement that simultaneously can be maximize carries out the installation operation of interface seat on the PCB board body, can carry out classified installation to the interface seat of different grade moreover, improves the convenience when the wiring subsequently.

The utility model adopts the technical scheme that: and a plurality of pins are welded at equal intervals on the bottoms of the first battery cell interface seat and the second battery cell interface seat.

The beneficial effects of the improvement are as follows: the first and second battery core interface seats are convenient to electrically connect with the PCB body through the pins, and the stability of electric signal receiving is convenient to realize.

As a further improvement of the present utility model, the technical problem to be solved is: if the anti-pulling effect of the communication interface after being electrically connected with the external socket is poor, the stability of connection between the communication interface and the external socket and the stability of signal transmission can be affected.

In order to solve the technical problems, the utility model further adopts the following technical scheme: the top of the communication interface is provided with an inclined clamping strip in a protruding mode.

The beneficial effects of the improvement are as follows: the clamping strip is convenient to improve the stability of the clamping connection and the stability of signal transmission when the communication interface is connected with the external plug-in socket.

As a further improvement of the present utility model, the technical problem to be solved is: the interface seat and the external plug seat are arranged at the plug interface, a gap can be formed between the interface seat and the external plug seat, and after the interface seat is used for a long time, water vapor in air can rust the conductive seat inside the interface seat through the gap.

In order to solve the technical problems, the utility model further adopts the following technical scheme: and a layer of sealant layer is arranged on the inner walls of the LED interface seat, the NTC interface seat, the first battery cell interface seat, the second NTC interface seat, the LOT module interface seat, the communication interface and the welding terminal.

The beneficial effects of the improvement are as follows: through setting up the sealant layer, be convenient for improve waterproof effect and leakproofness and compactness after each interface seat is connected with outside interface.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

fig. 2 is a schematic diagram of a two-dimensional structure of a battery cell interface seat according to the present utility model;

fig. 3 is a schematic diagram of a two-dimensional structure of an NTC interface holder according to the present utility model;

FIG. 4 is a schematic diagram of a three-dimensional structure of an LOT module interface seat according to the present utility model;

fig. 5 is a schematic perspective view of a communication interface according to the present utility model.

The character labels in the figure are shown as 1, a PCB body; 2. an LED interface seat; 3. an NTC interface seat I; 4. a first electric core interface seat; 5. a second electric core interface seat; 6. an NTC interface seat II; 7. a LOT module interface seat; 8. a communication interface; 9. welding terminals; 10. pins.

Detailed Description

In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.

Example 1:

as shown in fig. 1-5, a circuit management board for charging and discharging a power battery comprises a PCB board body 1, wherein an LED interface seat 2, an NTC interface seat 3, a first battery cell interface seat 4, a second battery cell interface seat 5 and an NTC interface seat 6 are sequentially installed at the rear end of the top surface of the PCB board body 1 from left to right, and the LED interface seat 2, the NTC interface seat 3, the first battery cell interface seat 4, the second battery cell interface seat 5 and the NTC interface seat 6 are electrically connected with an integrated circuit on the PCB board body 1; the front end of the top surface of the PCB body 1 is provided with a plurality of welding terminals 9, one side of the top of the PCB body 1 is provided with a communication interface 8, and the communication of the communication interface 8 supports RS485 (485A/485B) or RS232 (TXD/RXD). NTC interface mount one 3 and NTC interface mount two 6 support 103AT by default. Through carrying out the installation of ordering in proper order with each interface seat on the PCB board body, not only be convenient for make the access operation of each interface seat and external wire, improvement that simultaneously can be maximize carries out the installation operation of interface seat on the PCB board body, can carry out classified installation to the interface seat of different grade moreover, improves the convenience when the wiring subsequently.

Example 2:

further optimizing on the basis of the embodiment: as shown in fig. 1-5, a circuit management board for charging and discharging a power battery comprises a PCB board body 1, wherein an LED interface seat 2, an NTC interface seat 3, a first battery cell interface seat 4, a second battery cell interface seat 5 and an NTC interface seat 6 are sequentially installed at the rear end of the top surface of the PCB board body 1 from left to right, and the LED interface seat 2, the NTC interface seat 3, the first battery cell interface seat 4, the second battery cell interface seat 5 and the NTC interface seat 6 are electrically connected with an integrated circuit on the PCB board body 1; the top surface front end of PCB board body 1 is equipped with a plurality of welded terminals 9, and communication interface 8 is installed to one side at PCB board body 1 top. The bottoms of the first battery cell interface seat 4 and the second battery cell interface seat 5 are welded with a plurality of pins 10 at equal intervals. The first and second battery core interface seats are convenient to electrically connect with the PCB body through the pins, and the stability of electric signal receiving is convenient to realize. The top of the communication interface 8 is provided with an inclined clamping strip in a protruding mode. The clamping strip is convenient to improve the stability of the clamping connection and the stability of signal transmission when the communication interface is connected with the external plug-in socket.

Example 3:

further optimizing on the basis of the embodiment: as shown in fig. 1-5, a circuit management board for charging and discharging a power battery comprises a PCB board body 1, wherein an LED interface seat 2, an NTC interface seat 3, a first battery cell interface seat 4, a second battery cell interface seat 5 and an NTC interface seat 6 are sequentially installed at the rear end of the top surface of the PCB board body 1 from left to right, and the LED interface seat 2, the NTC interface seat 3, the first battery cell interface seat 4, the second battery cell interface seat 5 and the NTC interface seat 6 are electrically connected with an integrated circuit on the PCB board body 1; the top surface front end of PCB board body 1 is equipped with a plurality of welded terminals 9, and communication interface 8 is installed to one side at PCB board body 1 top. The bottoms of the first battery cell interface seat 4 and the second battery cell interface seat 5 are welded with a plurality of pins 10 at equal intervals. The top of the communication interface 8 is provided with an inclined clamping strip in a protruding mode. The LED interface seat 2, the NTC interface seat 3, the first battery core interface seat 4, the second battery core interface seat 5, the second NTC interface seat 6, the LOT module interface seat 7, the communication interface 8 and the inner wall of the welding terminal 9 are all provided with a layer of sealant layer. Through setting up the sealant layer, be convenient for improve waterproof effect and leakproofness and compactness after each interface seat is connected with outside interface.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that, due to the limited text expressions, there is virtually no limit to the specific structure, and that, for a person skilled in the art, modifications, alterations and combinations of these features may be made in a suitable manner without departing from the principles of the present utility model; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.

Claims

1. The utility model provides a circuit management board for power battery charge and discharge, includes PCB board body (1), its characterized in that: the rear end of the top surface of the PCB body (1) is sequentially provided with an LED interface seat (2), an NTC interface seat I (3), a battery core interface seat I (4), a battery core interface seat II (5) and an NTC interface seat II (6) from left to right, and the LED interface seat (2), the NTC interface seat I (3), the battery core interface seat I (4), the battery core interface seat II (5) and the NTC interface seat II (6) are electrically connected with an integrated circuit on the PCB body (1);

the PCB board body (1) top surface front end is equipped with a plurality of welded terminal (9), communication interface (8) are installed to one side at PCB board body (1) top.

2. A circuit management board for power battery charging and discharging as defined in claim 1, wherein: and a plurality of pins (10) are welded at equal intervals on the bottoms of the first battery cell interface seat (4) and the second battery cell interface seat (5).

3. A circuit management board for power battery charging and discharging as defined in claim 1, wherein: the top of the communication interface (8) is provided with an inclined clamping strip in a protruding mode.

4. A circuit management board for power battery charging and discharging as defined in claim 1, wherein: the LED interface seat (2), the NTC interface seat (3), the first battery cell interface seat (4), the second battery cell interface seat (5), the second NTC interface seat (6), the LOT module interface seat (7), the communication interface (8) and the inner wall of the welding terminal (9) are all provided with a layer of sealant layer.