CN107785964A - A kind of charging and discharging lithium battery temperature safety control system - Google Patents
A kind of charging and discharging lithium battery temperature safety control system Download PDFInfo
- Publication number
- CN107785964A CN107785964A CN201711049436.XA CN201711049436A CN107785964A CN 107785964 A CN107785964 A CN 107785964A CN 201711049436 A CN201711049436 A CN 201711049436A CN 107785964 A CN107785964 A CN 107785964A
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- China
- Prior art keywords
- lithium battery
- temperature
- module
- block
- battery group
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of charging and discharging lithium battery temperature safety control system, including：In lithium battery group discharge and recharge, control module obtains the temperature of lithium battery block in lithium battery group by temperature detecting module, and the temperature for counting lithium battery block in lithium battery group is more than the lithium battery number n of preset temperature value, control module is by n compared with predetermined number threshold value m, as n >=m, the lithium battery that control module instruction control refrigerating module is more than preset temperature value to temperature in lithium battery group cools；As n ＜ m, the temperature that the temperature of lithium battery block in lithium battery group is more than lithium battery block in the lithium battery and lithium battery group of preset temperature value by control module instruction control location swap module is exchanged less than the position of the lithium battery of preset temperature value, wherein, the number of lithium battery block is k in lithium battery group, and m≤k/2.
Description
Technical field
The present invention relates to lithium battery control technology field, more particularly to a kind of charging and discharging lithium battery temperature safety control system
System.
Background technology
At present, high-power lithium battery group is quickly grown, and corresponding caused temperature, heat dissipation problem also emerge therewith, by
In lithium battery group be all the connection in series-parallel through many batteries to form, therefore how battery places in lithium battery group, to closing
It is important, because temperature has a significant impact to the life-span of battery.Because lithium battery group is when carrying out discharge and recharge, thermal current is according to physics
Property to upstream or because mechanism arrange so that thermal current can not disperse and concentrate on inside, and cause block meeting inside lithium battery group
Battery Core block temperature than being stacked on bottom or outside is higher by some, and such result will cause to cause difference because temperature is different
Aging phenomenon.Furthermore the temperature that objective environment also results in lithium battery group is different, such as the lithium battery block of certain part may
Because direct sunlight whether, and have the difference in temperature.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of charging and discharging lithium battery temperature safety control system
System；
A kind of charging and discharging lithium battery temperature safety control system proposed by the present invention, it is characterised in that including：
Temperature detecting module, for obtaining the temperature of lithium battery block in lithium battery group；
Module is exchanged in position, for lithium battery block locations in lithium battery group to be exchanged；
Refrigerating module, for cooling to lithium battery block in lithium battery group；
Control module is connected with temperature detecting module, location swap module and refrigerating module respectively；
In lithium battery group discharge and recharge, control module obtains lithium battery block in lithium battery group by temperature detecting module
Temperature, and the temperature for counting lithium battery block in lithium battery group is more than the lithium battery block number n of preset temperature value, control module
By n compared with predetermined number threshold value m, as n >=m, control module instruction control refrigerating module is to temperature in lithium battery group
Lithium battery block more than preset temperature value is cooled；As n ＜ m, control module instruction controls location swap module by lithium
The temperature of lithium battery block is more than the lithium battery block of preset temperature value and lithium battery block temperature in lithium battery group in battery pack
Position less than the lithium battery block of preset temperature value is exchanged, wherein, the number of lithium battery block is k in lithium battery group,
And m≤k/2.
Preferably, in addition to alarm modules, it is connected with control module, alarm modules are used to be sent according to control module instruction
Alert notification；
Control refrigerating module is instructed to lithium battery block of the temperature in lithium battery group more than preset temperature value in control module
After the preset time to be cooled, control module obtains the temperature of lithium battery block in lithium battery group by temperature detecting module,
And the temperature for counting lithium battery block in lithium battery group is more than the lithium battery block number n of preset temperature value, as n >=m, control
Module instruction control alarm modules send alert notification.
Preferably, in addition to display module, it is connected with temperature detecting module, display module is used to show temperature inspection to user
Survey the temperature of lithium battery block in the lithium battery group that module obtains.
Preferably, the temperature detecting module includes multiple temperature detection submodules, and temperature detection submodule uses temperature
Sensor obtains the temperature of lithium battery block in lithium battery group.
Preferably, the refrigerating module includes at least one cooling submodule.
In the present invention, in lithium battery group discharge and recharge, control module obtains lithium in lithium battery group by temperature detecting module
The temperature of battery block, and the temperature for counting lithium battery block in lithium battery group is more than the lithium battery block number of preset temperature value
N, control module is by n compared with predetermined number threshold value m, and as n >=m, control module instruction control refrigerating module is to lithium electricity
Temperature is cooled more than the lithium battery block of preset temperature value in the group of pond；As n ＜ m, control module instruction control position is mutual
Change the mold block and the temperature of lithium battery block in lithium battery group is more than the lithium battery block of preset temperature value and lithium electricity in lithium battery group
The position that pond block temperature is less than the lithium battery block of preset temperature value is exchanged, in this way, in lithium battery group discharge and recharge, it is right
The temperature of lithium battery block is monitored in lithium battery group, and the temperature of the lithium battery block in lithium battery group more than half is too high
When, lithium battery group is cooled down, prevent lithium battery in lithium battery block because temperature is too high and aging or impaired, in lithium electricity
When temperature in the group of pond less than the lithium battery block of half is too high, by the too high lithium battery block of temperature and normothermic lithium electricity
Pond block carries out position exchange, too high so as to solve the temperature of the lithium battery block less than half.
Brief description of the drawings
Fig. 1 is a kind of module diagram of charging and discharging lithium battery temperature safety control system proposed by the present invention.
Embodiment
Reference picture 1, a kind of charging and discharging lithium battery temperature safety control system proposed by the present invention, including：
Temperature detecting module, for obtaining the temperature of lithium battery block in lithium battery group, the temperature detecting module includes
Multiple temperature detection submodules, temperature detection submodule obtain the temperature of lithium battery block in lithium battery group using temperature sensor
Degree.
In concrete scheme, each lithium battery block in lithium battery group can be directed to and be correspondingly arranged a temperature sensor,
To obtain the temperature of each lithium battery block in lithium battery group.
Module is exchanged in position, for lithium battery block locations in lithium battery group to be exchanged.
Refrigerating module, for cooling to lithium battery block in lithium battery group, the refrigerating module includes at least one
Cool down submodule.
In concrete scheme, each lithium battery block in lithium battery group can be directed to and be correspondingly arranged a cooling submodule,
To cool to lithium battery block in lithium battery group.
Control module is connected with temperature detecting module, location swap module and refrigerating module respectively；
In lithium battery group discharge and recharge, control module obtains lithium battery block in lithium battery group by temperature detecting module
Temperature, and the temperature for counting lithium battery block in lithium battery group is more than the lithium battery block number n of preset temperature value, control module
By n compared with predetermined number threshold value m, as n >=m, control module instruction control refrigerating module is to temperature in lithium battery group
Lithium battery block more than preset temperature value is cooled；As n ＜ m, control module instruction controls location swap module by lithium
The temperature of lithium battery block is more than the lithium battery block of preset temperature value and lithium battery block temperature in lithium battery group in battery pack
Position less than the lithium battery block of preset temperature value is exchanged, wherein, the number of lithium battery block is k in lithium battery group,
And m≤k/2.
In concrete scheme, the temperature of lithium battery block in lithium battery group is obtained, counts lithium battery block in lithium battery group
Temperature be more than preset temperature value lithium battery block number n, as n >=m, illustrate in lithium battery group more than half lithium electricity
When the temperature of pond block is too high, lithium battery group is cooled down, prevent lithium battery in lithium battery block because temperature is too high and
Aging is impaired；It is when the temperature less than the lithium battery block of half in lithium battery group is too high, temperature is too high as n ＜ m
Lithium battery block carries out position exchange with normothermic lithium battery block, so as to solve the temperature of the lithium battery block less than half
Spend height.
Alarm modules, it is connected with control module, alarm modules are used to send alert notification according to control module instruction；
Control refrigerating module is instructed to lithium battery block of the temperature in lithium battery group more than preset temperature value in control module
After the preset time to be cooled, control module obtains the temperature of lithium battery block in lithium battery group by temperature detecting module,
And the temperature for counting lithium battery block in lithium battery group is more than the lithium battery block number n of preset temperature value, as n >=m, control
Module instruction control alarm modules send alert notification.
In concrete scheme, after temperature cools more than the lithium battery block of preset temperature value in lithium battery group
In preset time, the temperature of lithium battery block in lithium battery group is obtained again, when refrigerating module cooling is invalid, is issued the user with
Safety alarm, cooling failure is prevented, causes lithium battery group because of high temperature failure,
Display module, it is connected with temperature detecting module, display module is used to show what temperature detecting module obtained to user
The temperature of lithium battery block in lithium battery group.
In concrete scheme, obtaining in lithium battery group after the temperature of lithium battery block, showing temperature inspection to user in real time
The temperature of lithium battery block in the lithium battery group that module obtains is surveyed, facilitates user to understand lithium battery group internal temperature.
In present embodiment, in lithium battery group discharge and recharge, control module obtains lithium battery group by temperature detecting module
The temperature of interior lithium battery block, and the temperature for counting lithium battery block in lithium battery group is more than the lithium battery block of preset temperature value
Number n, control module is by n compared with predetermined number threshold value m, and as n >=m, control module instruction controls refrigerating module pair
Temperature is cooled more than the lithium battery block of preset temperature value in lithium battery group；As n ＜ m, control module instruction control bit
Put and exchange module by the temperature of lithium battery block in lithium battery group more than in the lithium battery block and lithium battery group of preset temperature value
The position that lithium battery block temperature is less than the lithium battery block of preset temperature value is exchanged, in this way, in lithium battery group discharge and recharge
When, the temperature of lithium battery block in lithium battery group is monitored, the temperature of the lithium battery block of half is exceeded in lithium battery group
When spending high, lithium battery group is cooled down, prevent lithium battery in lithium battery block because temperature is too high and aging or impaired,
It is when temperature less than the lithium battery block of half in lithium battery group is too high, the too high lithium battery block of temperature and temperature is normal
Lithium battery block carry out position exchange, so as to solve less than half lithium battery block temperature it is too high.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
- A kind of 1. charging and discharging lithium battery temperature safety control system, it is characterised in that including：Temperature detecting module, for obtaining the temperature of lithium battery block in lithium battery group；Module is exchanged in position, for lithium battery block locations in lithium battery group to be exchanged；Refrigerating module, for cooling to lithium battery block in lithium battery group；Control module is connected with temperature detecting module, location swap module and refrigerating module respectively；In lithium battery group discharge and recharge, control module obtains the temperature of lithium battery block in lithium battery group by temperature detecting module Degree, and the temperature for counting lithium battery block in lithium battery group is more than the lithium battery block number n of preset temperature value, control module will N is compared with predetermined number threshold value m, and as n >=m, control module instruction control refrigerating module is big to temperature in lithium battery group Cooled in the lithium battery block of preset temperature value；As n ＜ m, control module instruction control location swap module is electric by lithium The temperature of lithium battery block is small more than the lithium battery block of preset temperature value and lithium battery block temperature in lithium battery group in the group of pond Exchanged in the position of the lithium battery block of preset temperature value, wherein, the number of lithium battery block is k in lithium battery group, and m ≤k/2。
- 2. charging and discharging lithium battery temperature safety control system according to claim 1, it is characterised in that also including alarm mould Block, it is connected with control module, alarm modules are used to send alert notification according to control module instruction；Instruct control refrigerating module to be more than temperature in lithium battery group the lithium battery block of preset temperature value in control module to carry out After the preset time of cooling, control module obtains the temperature of lithium battery block in lithium battery group by temperature detecting module, and unites The temperature for counting lithium battery block in lithium battery group is more than the lithium battery block number n of preset temperature value, as n >=m, control module Instruction control alarm modules send alert notification.
- 3. charging and discharging lithium battery temperature safety control system according to claim 1, it is characterised in that also include display mould Block, it is connected with temperature detecting module, display module is used to show lithium electricity in the lithium battery group of temperature detecting module acquisition to user The temperature of pond block.
- 4. charging and discharging lithium battery temperature safety control system according to claim 1, it is characterised in that the temperature detection Module includes multiple temperature detection submodules, and temperature detection submodule obtains lithium battery area in lithium battery group using temperature sensor The temperature of block.
- 5. charging and discharging lithium battery temperature safety control system according to claim 1, it is characterised in that the refrigerating module Including at least one cooling submodule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049436.XA CN107785964A (en) | 2017-10-31 | 2017-10-31 | A kind of charging and discharging lithium battery temperature safety control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049436.XA CN107785964A (en) | 2017-10-31 | 2017-10-31 | A kind of charging and discharging lithium battery temperature safety control system |
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| Publication Number | Publication Date |
|---|---|
| CN107785964A true CN107785964A (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711049436.XA Withdrawn CN107785964A (en) | 2017-10-31 | 2017-10-31 | A kind of charging and discharging lithium battery temperature safety control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088424A1 (en) * | 2018-10-30 | 2020-05-07 | 中兴通讯股份有限公司 | Charge and discharge control method and apparatus for terminal, and storage medium and electronic apparatus |
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| CN202817134U (en) * | 2012-09-20 | 2013-03-20 | 雷通科技发展有限公司 | Charging device with over-temperature protection function and charging system |
| CN104362595A (en) * | 2014-11-10 | 2015-02-18 | 深圳市卓能新能源科技有限公司 | Battery pack power supply circuit capable of achieving over-temperature protection |
| US20160118697A1 (en) * | 2010-02-03 | 2016-04-28 | Samsung Sdi Co., Ltd. | Battery system and driving method thereof |
| CN106876826A (en) * | 2017-03-30 | 2017-06-20 | 清华大学 | Lithium battery group temperature equalization control system |
| CN106898837A (en) * | 2015-12-21 | 2017-06-27 | 加百裕工业股份有限公司 | The temperature detecting management method and system of lithium battery |
-
2017
- 2017-10-31 CN CN201711049436.XA patent/CN107785964A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160118697A1 (en) * | 2010-02-03 | 2016-04-28 | Samsung Sdi Co., Ltd. | Battery system and driving method thereof |
| CN202817134U (en) * | 2012-09-20 | 2013-03-20 | 雷通科技发展有限公司 | Charging device with over-temperature protection function and charging system |
| CN104362595A (en) * | 2014-11-10 | 2015-02-18 | 深圳市卓能新能源科技有限公司 | Battery pack power supply circuit capable of achieving over-temperature protection |
| CN106898837A (en) * | 2015-12-21 | 2017-06-27 | 加百裕工业股份有限公司 | The temperature detecting management method and system of lithium battery |
| CN106876826A (en) * | 2017-03-30 | 2017-06-20 | 清华大学 | Lithium battery group temperature equalization control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020088424A1 (en) * | 2018-10-30 | 2020-05-07 | 中兴通讯股份有限公司 | Charge and discharge control method and apparatus for terminal, and storage medium and electronic apparatus |
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Application publication date: 20180309 |