CN202918019U - Lithium ion power battery emergency power supply unit - Google Patents

Lithium ion power battery emergency power supply unit Download PDF

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Publication number
CN202918019U
CN202918019U CN 201220593026 CN201220593026U CN202918019U CN 202918019 U CN202918019 U CN 202918019U CN 201220593026 CN201220593026 CN 201220593026 CN 201220593026 U CN201220593026 U CN 201220593026U CN 202918019 U CN202918019 U CN 202918019U
Authority
CN
China
Prior art keywords
management system
power supply
charge
lithium ion
battery management
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220593026
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Chinese (zh)
Inventor
田晓辉
徐林
轩慧娉
田雨晨
李杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aviation Lithium Battery Co Ltd
Original Assignee
China Aviation Lithium Battery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aviation Lithium Battery Co Ltd filed Critical China Aviation Lithium Battery Co Ltd
Priority to CN 201220593026 priority Critical patent/CN202918019U/en
Application granted granted Critical
Publication of CN202918019U publication Critical patent/CN202918019U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model relates to a lithium ion power battery emergency power supply unit, comprising a lithium ion power battery pack, a charge and discharge module, a battery management system and an operation bench. The battery management system is in communication with the operation bench. A control terminal of the battery management system is in connection with the charge and discharge module; the battery management system is in connection with the battery pack. The utility model employs a lithium ion power battery as a power supply source emergency power supply system; through organic connection of the battery management system, the charge and discharge module and the communication system and a control strategy formed according to artificial commands and battery pack state analysis, the use performance of a lithium ion battery can be raised, emergency power supply functions can be realized and system operation reliability is guaranteed.

Description

A kind of lithium-ion-power cell emergency power supply unit
Technical field
The utility model relates to a kind of lithium-ion-power cell emergency power supply unit, belongs to technical field of lithium ion.
Background technology
At present, emergency power supply has been widely used in architectural electricity field and special emergency service occasion.He eliminated because of unexpected outage to the normal orders of life of people, study, particularly produce the impact that brings, reduced or remitted economic loss.But the battery that present emergency power supply uses is lead-acid full sealed non-maintenance storage battery, lead-acid battery has seriously polluted, energy density is low, the shortcomings such as the crash time is short, therefore develop environmental protection, efficiently, the lithium ion battery of cleaning more and more is taken seriously, and be put in the national Eleventh Five-Year Plan scientific and technical development program, yet at present that is that all right is ripe as the application of emergency power supply for lithium ion battery, lithium ion battery has volume, specific energy is high, the advantage that service life cycle is long, but different from the lead-acid battery emergency power supply is, lithium ion battery can not super-charge super-discharge, therefore in order to bring into play the advantage of lithium ion battery, must design be fit to the software and hardware of itself characteristic.
The utility model content
The purpose of this utility model provides a kind of lithium-ion-power cell emergency power supply unit, the problem that causes performance of lithium ion battery to reduce owing to super-charge super-discharge to solve present lithium ion battery.
The utility model provides a kind of lithium-ion-power cell emergency power supply unit for solving the problems of the technologies described above, this emergency power supply unit comprises the lithium ion battery group, charge-discharge modules and battery management system BMS, charge-discharge modules is arranged on lithium ion battery group two ends, the control end of charge-discharge modules links to each other with the output of the BMS of cell tube system, battery management system is used for according to the state of battery pack charge-discharge modules being controlled, described emergency power supply unit also comprises operating desk, be provided with communication interface on the described battery management system BMS, this battery management system BMS is by its communication interface and operating desk communication connection.
Described battery management system comprises voltage collector, current collector, Temperature sampler and master control borad, the input of voltage collector, current collector and Temperature sampler links to each other with the lithium ion battery group, output links to each other with the input of master control borad, and the output of master control borad links to each other with the control end of charge-discharge modules.
Described charge-discharge modules comprises charger and discharge channel, the input of charger links to each other with civil power or other power-supply device, output links to each other with the lithium ion battery group, control end links to each other with battery management system, the input of discharge channel links to each other with the lithium ion battery group, and output links to each other with civil power or other power-supply devices.
Communicate to connect by RS485 between described battery management system BMS and the operating desk.
The beneficial effects of the utility model are: the utility model adopts the lithium ion battery of energy density height, environment-friendly and green to replace lead-acid battery, has improved the cost performance of emergency power supply; Pass through battery management system, organic connection of charge-discharge modules and communication system, the control strategy that cooperation forms according to manual command and battery pack state analysis, improve the serviceability of lithium ion battery, realized the function of emergency power supply, and guaranteed the device reliability of operation, system adopts modularized design, simple and clear, easily assembling maintains easily use.
Description of drawings
Fig. 1 is lithium-ion-power cell emergency power supply unit structured flowchart of the present utility model;
Fig. 2 is the battery management system structured flowchart among the utility model embodiment;
Fig. 3 is the structured flowchart of the charge-discharge modules in this use new embodiment.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
The embodiment of a kind of lithium-ion-power cell emergency power supply unit of the present utility model
As shown in Figure 1, the lithium-ion-power cell emergency power supply unit comprises operating desk, battery management system BMS, the lithium-ion-power cell group, charge-discharge modules and civil power or other power supply, operating desk is by RS485 and battery management system BMS communication connection, battery management system BMS links to each other with the lithium-ion-power cell group, the lithium-ion-power cell group links to each other with civil power or other power supply by charge-discharge modules, wherein the structure of battery management system BMS as shown in Figure 2, comprise current collector, voltage collector, Temperature sampler and master board, current collector, the input of voltage collector and Temperature sampler links to each other with the lithium-ion-power cell group, output links to each other with master board
Its course of work is as follows: at first, (operating personnel) determine whether charge to battery charging in the emergency power supply or with great electric current according to current task or electric load situation, and send order by RS485 communication to battery management system, perhaps order battery management system to work in automatic mode according to the battery situation; Secondly, battery management system detects battery operated situation in real time, by data acquisition board battery data is gathered, the voltage, the temperature that comprise cell, the parameter such as battery voltage and electric current, supplemental characteristic is uploaded to master control borad, master control borad is finished the analyzing and processing to battery pack information, and in conjunction with the external world's order that receives, the corresponding control strategy of final formation is controlled charge-discharge modules then, controls its charge mode and output voltage current value, accomplish the charging optimization to battery, namely can be full of and not overcharge; When emergency power supply needs supplying power for outside, charge mode in the battery management system meeting charge closing module, initiatively open discharge channel, the transformation time weak point can reach continuously every conversion, management system detects battery status in real time simultaneously, and state parameter can be sent to operating desk by RS485, make the operator grasp in real time battery information.

Claims (4)

1. lithium-ion-power cell emergency power supply unit, this emergency power supply unit comprises the lithium ion battery group, charge-discharge modules and battery management system BMS, charge-discharge modules is arranged on lithium ion battery group two ends, the control end of charge-discharge modules links to each other with the output of the BMS of cell tube system, battery management system BMS is used for according to the state of battery pack charge-discharge modules being controlled, it is characterized in that: described emergency power supply unit also comprises operating desk, be provided with communication interface on the described battery management system BMS, this battery management system BMS is by its communication interface and operating desk communication connection.
2. lithium-ion-power cell emergency power supply unit according to claim 1, it is characterized in that: described battery management system BMS comprises voltage collector, current collector, Temperature sampler and master control borad, the input of voltage collector, current collector and Temperature sampler links to each other with the lithium ion battery group, output links to each other with the input of master control borad, and the output of master control borad links to each other with the control end of charge-discharge modules.
3. lithium-ion-power cell emergency power supply unit according to claim 2, it is characterized in that: described charge-discharge modules comprises charger and discharge channel, the input of charger links to each other with civil power or other power-supply device, output links to each other with the lithium ion battery group, control end links to each other with battery management system, the input of discharge channel links to each other with the lithium ion battery group, and output links to each other with civil power or other power-supply devices.
4. according to claim 1,2 or 3 described lithium-ion-power cell emergency power supply units, it is characterized in that: communicate to connect by RS485 between described battery management system BMS and the operating desk.
CN 201220593026 2012-11-12 2012-11-12 Lithium ion power battery emergency power supply unit Expired - Fee Related CN202918019U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220593026 CN202918019U (en) 2012-11-12 2012-11-12 Lithium ion power battery emergency power supply unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220593026 CN202918019U (en) 2012-11-12 2012-11-12 Lithium ion power battery emergency power supply unit

Publications (1)

Publication Number Publication Date
CN202918019U true CN202918019U (en) 2013-05-01

Family

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Family Applications (1)

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CN 201220593026 Expired - Fee Related CN202918019U (en) 2012-11-12 2012-11-12 Lithium ion power battery emergency power supply unit

Country Status (1)

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CN (1) CN202918019U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106671909A (en) * 2016-06-30 2017-05-17 深圳市华思旭科技有限公司 A method and device for executing battery clamp action
USRE49976E1 (en) 2016-06-30 2024-05-21 Shenzhen Carku Technology Co., Ltd. Battery clamp
USRE50619E1 (en) 2013-01-07 2025-10-07 Shenzen Carku Technology Co., Ltd. Emergency power source

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE50619E1 (en) 2013-01-07 2025-10-07 Shenzen Carku Technology Co., Ltd. Emergency power source
CN106671909A (en) * 2016-06-30 2017-05-17 深圳市华思旭科技有限公司 A method and device for executing battery clamp action
CN106671909B (en) * 2016-06-30 2023-01-31 深圳市华思旭科技有限公司 Battery clamp action execution method and device
USRE49976E1 (en) 2016-06-30 2024-05-21 Shenzhen Carku Technology Co., Ltd. Battery clamp

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP02 Change in the address of a patent holder

Address after: 471003 Henan city of Luoyang province high tech Development Zone Binhe Road No. 66

Patentee after: China Aviation Lithium Battery Co., Ltd.

Address before: 471003 Henan high tech Zone in Luoyang City, Spring City Road No. 16

Patentee before: China Aviation Lithium Battery Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130501

Termination date: 20181112