CN106602178A - Lithium battery heating system - Google Patents

Lithium battery heating system Download PDF

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Publication number
CN106602178A
CN106602178A CN201710013070.4A CN201710013070A CN106602178A CN 106602178 A CN106602178 A CN 106602178A CN 201710013070 A CN201710013070 A CN 201710013070A CN 106602178 A CN106602178 A CN 106602178A
Authority
CN
China
Prior art keywords
unit
chip
lithium battery
heating
main control
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.)
Pending
Application number
CN201710013070.4A
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Chinese (zh)
Inventor
王俊
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.)
Yangzhou Xing Tong Lithium Technology Co Ltd
Original Assignee
Yangzhou Xing Tong Lithium Technology 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 Yangzhou Xing Tong Lithium Technology Co Ltd filed Critical Yangzhou Xing Tong Lithium Technology Co Ltd
Priority to CN201710013070.4A priority Critical patent/CN106602178A/en
Publication of CN106602178A publication Critical patent/CN106602178A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/637Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/657Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571Resistive heaters
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention discloses a lithium battery heating system comprising a temperature signal collection unit, a main control unit and a first heating unit, wherein the temperature signal collection unit and the first heating unit are respectively connected with the main control unit. Compared with the prior art, the lithium battery heating system provided by the invention uses the temperature signal collection unit to collect a temperature parameter close to a battery panel, if the temperature parameter is lower than a value set by the main control unit, the main control unit drives the first heating unit to heat so as to improve the temperature of the battery panel, and thus the problem that the charging speed of a lithium battery is reduced in cold weather is solved.

Description

A kind of lithium battery heating system
Technical field
The present invention relates to lithium cell charging technical field, more particularly to a kind of lithium battery heating system.
Background technology
Because " running of the battery under zero degree low temperature is unsatisfactory, and this has been long-standing problem, traditional battery Serious kwh loss is can suffer from subfreezing temperature, so as to cause the charging rate under arctic weather to slow down, In order to compensate " cold damage " problem caused for energy, heat-preservation cotton can be increased in set of cells, the so required set of cells for using is just Become increasing, while increased product cost.
The content of the invention
The present invention provides a kind of lithium battery heating system, is filled under arctic weather with solving lithium battery of the prior art Electric speed slows down, and in order to compensate " cold damage " problem caused for energy, heat-preservation cotton can be increased in set of cells, causes to use Set of cells just become increasing, while increase product cost technical problem.
The technical scheme is that what is be achieved in that:
A kind of lithium battery heating system, including temperature signal collection unit, main control unit and the first heating unit, it is described Temperature signal collection unit is connected respectively main control unit with the first heating unit, and the system also includes that cell plate voltage collection is single Unit, the second heating unit, the cell plate voltage collecting unit and the second heating unit are connected respectively main control unit, and described first Heating unit and the second heating unit are same heating unit.
Preferably, the main control unit adopts chip LM2904DRG3, the 1IN+ connection temperature signal collections of the chip Unit, the 1OUT of chip connects the first heating unit, chip 2IN+ connection cell plate voltage collecting units, the 2OUT connections of chip Second heating unit, the VCC of chip connects power supply, and GND, 1IN-, 2IN- of chip are grounded respectively.
Preferably, the temperature signal collection unit adopts thermal resistance temperature sensor.
Preferably, the cell plate voltage collecting unit includes voltage acquisition node, resistance R14, the resistance being sequentially connected in series The other end connection chip 2IN+ of R12, the resistance R12.
Preferably, switching diode 1N4148 and voltage stabilizing are connected with turn between the resistance R14 and voltage acquisition node Pipe 1N4734, wherein, the reverse cut-off end of resistance R14 connecting valve diode 1N4148, voltage acquisition node connection stabilivolt The reverse cut-off end of 1N4734.
Compared with prior art, the invention has the advantages that:
The lithium battery heating system of the present invention, using temperature signal collection unit the temperature parameter near cell panel is gathered, If the temperature parameter can then drive the first heating unit heats less than the value set by main control unit, main control unit, to improve The temperature of cell panel, so as to solve the problems, such as arctic weather under lithium cell charging speed slow down.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the schematic block circuit diagram of lithium battery heating system of the present invention;
Fig. 2 is the circuit theory diagrams of lithium battery heating system of the present invention;
Fig. 3 is the circuit theory diagrams of main control unit of the present invention.
In figure:Temperature signal collection unit 1, main control unit 2, the first heating unit 3, cell plate voltage collecting unit 4, the Two heating units 5.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1 to Figure 2, a kind of lithium battery heating system, including temperature signal collection unit 1, main control unit 2 and First heating unit 3, the temperature signal collection unit 1 is connected respectively main control unit 2 with the first heating unit 3.The system Also include cell plate voltage collecting unit 4, the second heating unit 5, first heating unit 3 can be with the second heating unit 5 Same heating unit, the cell plate voltage collecting unit 4 is connected respectively main control unit 2, the temperature with the second heating unit 5 Signal gathering unit 1 respectively sends the temperature signal of respective collection, cell plate voltage signal with cell plate voltage collecting unit 4 To main control unit 2, then main control unit 2 compares above-mentioned Signal Regulation processing and amplifying with temperature and voltage reference value, if The signal of collection is below reference value, then drive corresponding heating unit to work respectively, and the temperature reference value that the system is arranged is 4 DEG C, the first heating unit 3 starts heating automatically when less than this temperature, and cell plate voltage can gather the electricity between 6V-32V Pressure signal.The voltage reference value that the system is arranged is 8V, and heating automatically is started when the voltage of cell panel is less than 8V, is passed through Change temperature reference value and cell plate voltage can change the size of the cut-in voltage of the size and cell panel of collection external temperature. The main control unit 2 adopts chip LM2904DRG3, such as Fig. 3, output driving part that the first heating list is driven using AOS MOS Unit 3 or the heating work of the second heating unit 5, reach to the purpose of lithium battery heating.If the heater of driving more high current can To change the MOS of more high standard, the 1IN+ connection temperature signal collections unit 1 of the chip, the 1OUT connections first of chip add Hot cell 3, chip 2IN+ connection cell plate voltages collecting unit 4, the 2OUT of chip connects the second heating unit 5, the VCC of chip Power supply is connect, GND, 1IN-, 2IN- of chip are grounded respectively.The temperature signal collection unit 1 adopts thermal resistance temperature sensor. The cell plate voltage collecting unit 4 includes voltage acquisition node, resistance R14, the resistance R12 being sequentially connected in series, the resistance R12 The other end connection chip 2IN+.Switching diode 1N4148 is connected with turn between the resistance R14 and voltage acquisition node With stabilivolt 1N4734, wherein, the reverse cut-off end of resistance R14 connecting valve diode 1N4148, voltage acquisition node connection The reverse cut-off end of stabilivolt 1N4734, is formed using stabilivolt 1N4734 and switching diode 1N4148 combination settings.If The voltage of cell panel does not reach the reverse cut-in voltages of stabilivolt 1N4734 and would not turn on, and such cell panel collecting part would not Work, reduces the purpose of loss.
Knowable to the structure and principle of the comprehensive present invention, the lithium battery heating system of the present invention, using temperature signal collection list Temperature parameter near unit's collection cell panel, if the temperature parameter is less than the value set by main control unit, main control unit then can Drive the first heating unit heats, to improve the temperature of cell panel, so as to solve arctic weather under lithium cell charging speed The problem for slowing down.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.

Claims (5)

1. a kind of lithium battery heating system, it is characterised in that including temperature signal collection unit, main control unit and the first heating Unit, the temperature signal collection unit is connected respectively main control unit with the first heating unit, and the system also includes cell panel Voltage acquisition unit, the second heating unit, the cell plate voltage collecting unit is connected respectively master control list with the second heating unit Unit, first heating unit and the second heating unit are same heating unit.
2. a kind of lithium battery heating system according to claim 1, it is characterised in that the main control unit adopts chip LM2904DRG3, the 1IN+ connection temperature signal collection units of the chip, the 1OUT of chip connects the first heating unit, chip 2IN+ connects cell plate voltage collecting unit, and the 2OUT of chip connects the second heating unit, and the VCC of chip connects power supply, chip GND, 1IN-, 2IN- are grounded respectively.
3. a kind of lithium battery heating system according to claim 4, it is characterised in that the temperature signal collection unit is adopted Use thermal resistance temperature sensor.
4. a kind of lithium battery heating system according to claim 3, it is characterised in that the cell plate voltage collecting unit Including the voltage acquisition node, resistance R14, the resistance R12 that are sequentially connected in series, the other end connection chip 2IN+ of the resistance R12.
5. a kind of lithium battery heating system according to claim 4, it is characterised in that the resistance R14 and voltage acquisition It is connected with switching diode 1N4148 and stabilivolt 1N4734 between node in turn, wherein, resistance R14 connecting valve diodes The reverse cut-off end of 1N4148, voltage acquisition node connects the reverse cut-off end of stabilivolt 1N4734.
CN201710013070.4A 2017-01-09 2017-01-09 Lithium battery heating system Pending CN106602178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710013070.4A CN106602178A (en) 2017-01-09 2017-01-09 Lithium battery heating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710013070.4A CN106602178A (en) 2017-01-09 2017-01-09 Lithium battery heating system

Publications (1)

Publication Number Publication Date
CN106602178A true CN106602178A (en) 2017-04-26

Family

ID=58582669

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710013070.4A Pending CN106602178A (en) 2017-01-09 2017-01-09 Lithium battery heating system

Country Status (1)

Country Link
CN (1) CN106602178A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101651325A (en) * 2008-08-15 2010-02-17 上海益而益电器制造有限公司 Electric leakage detection protector
WO2013079983A1 (en) * 2011-12-02 2013-06-06 Rimac Automobili D.O.O. System and process for mantaining of working temeperature of battery cells for starter accumulators in vehicles
CN103390778A (en) * 2012-05-08 2013-11-13 海洋王照明科技股份有限公司 LED light fixture and lithium battery heating circuit thereof
CN103560304A (en) * 2013-11-19 2014-02-05 东风汽车公司 Heating control method of power battery pack of electric vehicle
CN205104589U (en) * 2015-10-13 2016-03-23 江苏华富储能新技术股份有限公司 A heating control circuit for lithium ion battery
CN105826619A (en) * 2015-01-05 2016-08-03 北京长城华冠汽车科技有限公司 Constant-temperature thermal management system for lithium-ion power battery pack

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101651325A (en) * 2008-08-15 2010-02-17 上海益而益电器制造有限公司 Electric leakage detection protector
WO2013079983A1 (en) * 2011-12-02 2013-06-06 Rimac Automobili D.O.O. System and process for mantaining of working temeperature of battery cells for starter accumulators in vehicles
CN103390778A (en) * 2012-05-08 2013-11-13 海洋王照明科技股份有限公司 LED light fixture and lithium battery heating circuit thereof
CN103560304A (en) * 2013-11-19 2014-02-05 东风汽车公司 Heating control method of power battery pack of electric vehicle
CN105826619A (en) * 2015-01-05 2016-08-03 北京长城华冠汽车科技有限公司 Constant-temperature thermal management system for lithium-ion power battery pack
CN205104589U (en) * 2015-10-13 2016-03-23 江苏华富储能新技术股份有限公司 A heating control circuit for lithium ion battery

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Application publication date: 20170426

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