CN213459861U

CN213459861U - UPS lithium battery system architecture

Info

Publication number: CN213459861U
Application number: CN202022857402.7U
Authority: CN
Inventors: 张怀
Original assignee: Wuhu Churui Intelligent Technology Co ltd
Current assignee: Wuhu Churui Intelligent Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-06-15
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to a UPS lithium battery system framework, including battery case, electricity core module, BMU circuit board, group battery clamp plate, battery positive pole utmost point post and battery negative pole utmost point post, the battery case comprises battery case upper cover plate, battery case base, battery case left side board and battery case right side board, and battery case base is U type structure, and its upper portion is equipped with battery case upper cover plate, and both sides are equipped with battery case left side board and battery case right side board; the battery cell module is fixed on the battery box base through the battery pack pressing plate, the upper cover plate of the battery box is provided with a groove, the groove is used for being installed on the BMU circuit board, the upper cover plate of the battery box is also provided with two holes, and the two holes are respectively used for installing a battery anode pole column and a battery cathode pole column. The system can realize rapid and high-power discharge, timely, real-timely and rapidly transmit information of all the single batteries to the main controller, and the digital and information management of the batteries is realized by matching the BMS battery management system on the main controller, so that the reliability of the UPS system is improved.

Description

UPS lithium battery system architecture

Technical Field

The utility model relates to a lithium cell technical field, concretely relates to be used for UPS (uninterrupted power source) lithium cell system framework.

Background

With the development of information technology, UPS power supplies have also been rapidly developed as main energy supply equipment, the power supply technology is a basic guarantee for computer network and information construction, UPS uninterruptible power supply equipment is also an important equipment for informatization and national defense safety, and the reliability directly determines whether the equipment can stably and safely operate. The lithium battery, especially the lithium iron phosphate battery, has the advantages of high working voltage, large energy density, long cycle life, good safety performance, small self-discharge rate and no memory effect, and is widely applied to various energy storage devices.

The in-process that current UPS lithium cell group was used, because every battery itself respectively differs, each electric core also respectively differs in the inside electric core module of battery, and the voltage, electric current, internal resistance and the temperature isoparametric of every battery are also different in the UPS working process, consequently, can cause battery life to reduce, mains voltage is unstable, maintain and test inconvenient and have certain potential safety hazard in the UPS use.

In summary, the conventional UPS has certain drawbacks, and therefore, it is very necessary to design and improve the structure of the UPS lithium battery system, and implement informatization control to improve the reliability and the service life of the battery.

Disclosure of Invention

An object of the utility model is to provide a UPS lithium cell system framework to improve shortcomings such as current UPS lithium cell fault repair is inconvenient, stability and reliability are poor, information-based control degree is low and the voltage balance precision is not enough.

The utility model provides a UPS lithium battery system framework, including battery case, electricity core module, BMU circuit board, group battery clamp plate, battery anodal utmost point post and battery negative pole utmost point post, the battery case comprises battery case upper cover plate, battery case base, battery case left side board and battery case right side board, and battery case base is U type structure, and its upper portion is equipped with battery case upper cover plate, and both sides are equipped with battery case left side board and battery case right side board; the battery cell module is fixed on the battery box base through the battery pack pressing plate, the battery box upper cover plate is provided with a groove, the groove is used for installing a BMU circuit board, the battery box upper cover plate is also provided with two holes, and the two holes are respectively used for installing a battery anode pole and a battery cathode pole.

The utility model discloses in, electric core module comprises a plurality of electricity core, and the positive pole and the negative pole of every electricity core are connected to corresponding anodal busbar and negative bus bar respectively, and anodal busbar links to each other with the anodal utmost point post of battery, and the negative bus bar links to each other with the negative pole utmost point post of battery.

The utility model discloses in, anodal busbar sheath is installed outward to anodal busbar, and the negative pole busbar protective sheath is installed outward to the negative pole busbar.

The utility model discloses in, be equipped with Reset switch, BMU status indicator lamp, dial switch and CAN communication/do the communication series interface between node series connection/module on the BMU circuit board.

The utility model discloses in, BMU status indicator lamp is including operation pilot lamp and trouble lamp.

The utility model discloses in, be equipped with the carrying handle rope on the battery case upper cover plate.

In the utility model, the BMU circuit board is connected with the sensor to collect the temperature data of the battery core; the electric cores in the electric core module are connected in series, and the connecting part of every two adjacent electric cores leads out a lead to a corresponding chip pin on the BMU circuit board so as to realize the management and control of the chip on the voltage.

The beneficial effects of the utility model reside in that:

1. fast high power discharge;

2. the lead-acid battery is referenced in overall dimension, convenient to update, install and maintain and high in universality;

3, the BMU chip adopts a high-precision battery front-end acquisition chip, so that the speed is high, the error is small, and the anti-electromagnetic interference is realized;

4. the CAN bus is adopted for communication, data communication has no master-slave division, and the system has good timeliness and high reliability.

Drawings

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is a diagram of a BMU circuit board;

reference numbers in the figures: 1. a battery anode pole; 2. a battery cathode post; a BMU circuit board; 4. a positive busbar sheath; 5. a negative busbar sheath; 6. a handle rope is lifted; 7. a battery box upper cover plate; 8. a battery pack pressing plate; 9. a battery cell module; 10. a battery box base; 11 a right side plate of the battery box; 12 a left side plate of the battery box; a Reset switch; a BMU status indicator light; 15. a dial switch; CAN communication/trunk node serial connection/inter-module communication serial connection interface.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. The embodiments described herein are only a part of the disclosure, and other embodiments without inventive labor, which are within the scope of the present invention, will be apparent to those of ordinary skill in the art.

Example 1: as shown in fig. 1, the device comprises a battery box, a battery cell module 9, a BMU circuit board 3, a battery pack pressing plate 8, a battery anode post 1 and a battery cathode post 2. The battery case comprises battery case upper cover plate 7, battery case base 10, battery case left side board 11 and battery case right side board 12, and wherein, battery case base 10 is the U-shaped structure, and trilateral and the battery case left side board 11 or the battery case right side board 12 that correspond of left surface or right flank contact, and electric core module 9 comprises many electric cores, and rated voltage 24V, capacity 50Ah are fixed in inside the battery case by group battery clamp plate 8. The positive pole and the negative pole of each electric core are led out and collected to the corresponding positive busbar and the corresponding negative busbar, a positive busbar sheath 4 and a negative busbar sheath 5 are arranged outside the positive busbar and the negative busbar, and a battery box upper cover plate 7 is provided with a battery positive pole post 1 and a battery negative pole post 2 which are connected with the busbars led out from the electric core module 9.

As shown in fig. 1 and 2, the BMU circuit board 3 is mounted at a corresponding position on the upper cover plate 7 of the battery box, and a high-precision battery front-end acquisition chip is used to connect with a sensor for measuring parameters such as battery internal resistance, battery temperature, and voltage, so as to monitor the state of each battery cell. A Reset switch 13 is arranged on a BMU circuit board 3 and used for resetting equipment, a status indicator lamp 14 is used for displaying the running status and the fault status of the BMU, a dial switch 15 is used for setting the communication address of the BMU, and a CAN communication/trunk node series/inter-module communication series interface 16 is arranged and used for sending battery status information to a superior battery control unit.

Claims

1. A UPS lithium battery system architecture is characterized by comprising a battery box, a battery cell module, a BMU circuit board, a battery pack pressing plate, a battery anode pole and a battery cathode pole, wherein the battery box consists of a battery box upper cover plate, a battery box base, a battery box left side plate and a battery box right side plate; the battery cell module is fixed on the battery box base through the battery pack pressing plate, the upper cover plate of the battery box is provided with a groove, the groove is used for being installed on a BMU circuit board, the upper cover plate of the battery box is also provided with two holes, and the two holes are respectively used for installing a battery anode pole and a battery cathode pole.

2. The architecture of claim 1, wherein the cell module comprises a plurality of cells, wherein a positive electrode and a negative electrode of each cell are respectively connected to a corresponding positive busbar and a corresponding negative busbar, the positive busbar is connected to a positive post of the battery, and the negative busbar is connected to a negative post of the battery.

3. The architecture of claim 2, wherein a positive busbar shield is mounted to the positive busbar and a negative busbar shield is mounted to the negative busbar.

4. The architecture of claim 1, wherein a Reset switch, a BMU status indicator light, a dial switch, and a CAN communication/trunk node serial/inter-module communication serial interface are disposed on the BMU circuit board.

5. The architecture of claim 4, wherein the BMU status lights include run and fault lights.

6. The architecture of claim 1, wherein a handle cord is disposed on the battery case upper cover.