CN109687554A - A kind of charge protection system and method for portable intelligent battery pack - Google Patents
A kind of charge protection system and method for portable intelligent battery pack Download PDFInfo
- Publication number
- CN109687554A CN109687554A CN201910057102.XA CN201910057102A CN109687554A CN 109687554 A CN109687554 A CN 109687554A CN 201910057102 A CN201910057102 A CN 201910057102A CN 109687554 A CN109687554 A CN 109687554A
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- Prior art keywords
- battery pack
- voltage
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- temperature
- battery
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Classifications
-
- 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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- 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
- H02J7/0034—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using reverse polarity correcting or protecting circuits
-
- 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
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/00302—Overcharge protection
-
- 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
- H02J7/00304—Overcurrent protection
Abstract
The present invention provides a kind of charge protection system and method for portable intelligent battery pack; temperature detection is carried out using two independent temperature detecting units; and pass through the protection of battery pack main control unit, balanced unit; can battery temperature rise during effective monitoring lithium battery pack charge or discharge, it is dangerous caused by prevention and treatment battery pack overheat；There are also charging over-voltage, overcurrent protection, electric voltage reverse-connection protection, charging overvoltage protection implements the two poles of the earth protection, and the first order inputs over-voltage TVS protection, the detection of the second pole over-voltage detection unit, and programmed protection can securely and effectively carry out battery charging.
Description
Technical field
The present invention relates to battery pack charge protection technical field, further say it is a kind of portable intelligent battery pack charging
The implementation method of protection technique.
Background technique
Turned using such as portable charging type electric, the user of emergency light and laptop etc equipment focuses on making whenever and wherever possible
With the portability of these equipment.There is provided portable devices key element is reusable rechargeable battery.User wishes longer
Time in can persistently use equipment, therefore not only have higher requirements to the capacity of battery, to the safe handling of battery, there are also more
High request, therefore present design uses high-capacity lithium battery group, and is equipped with perfect battery assembly module charge and discharge control and circuit
Defencive function, it is therefore an objective to which the guarantee client secure of maximum possible uses lithium electric equipment.
The progress of lithium battery power management techniques makes it possible multiple lithium batteries in series and parallel using can mention in this way
For voltage and current needed for device, desired function is realized.Lithium battery power management techniques are not only to battery simultaneously
Balanced management is carried out, some security monitoring functions itself are also equipped with.
Lithium battery pack is in use, it is understood that there may be charging voltage is improper, false voltage, and the extreme cases such as reversal connection go out
It is existing；High power discharge or use environment when the temperature is excessively high, there is also situations such as battery temperature rises, these require to consider
It arrives, and does safeguard measure appropriate, ensure client's personal safety.
Therefore, it is necessary to a kind of cell charge protection technology is developed, it can be effective while executing battery charging
Ground is protected to the case where being abnormal charging, ensures the security of the lives and property of client.
Summary of the invention
The present patent application provides the charge protection system and method for portable intelligent battery pack, can fill in lithium battery pack
When electric, safeguard protection is provided.
To achieve the goals above, using following technical scheme: the charge protection system of portable intelligent battery pack includes:
Battery pack main control unit is responsible for the data acquisition of various protection inputs, judgement, control output；Battery pack balanced unit and temperature
Sampling unit is responsible for battery voltage sampling and Balance route and temperature detection；Battery voltage sampling unit, for single battery electricity
Pressure sampling and multiple batteries series connection total voltage detection；Battery pack voltage input, over-voltage, overcurrent, reverse connecting protection unit；Battery pack is filled
Electric controlled switch unit.
Preferably, battery pack main control unit uses but is not limited to STM32F103 microcontroller.
Preferably, battery pack balanced unit uses but is not limited to OZ3710 battery management chip.
Preferably, temperature sampling unit, using two independent temperature sampling units respectively to cell-temperature monitoring, monitoring
Circuit board and battery pack internal temperature, when abnormal temperature, the battery pack controlled switch unit that charges is closed, and protects battery pack.
Preferably, two independent temperature sampling units are NTC1 temperature sampling unit, NTC2 temperature sampling unit, NTC1
Temperature sampling unit is installed close to battery, for monitoring single battery temperature, the corresponding exception temperature of NTC1 temperature sampling unit
Control of the degree alarm from battery pack balanced unit, is communicated by IIC and informs battery pack main control unit；NTC2 temperature sampling unit
Temperature detection data be directly accessed battery pack main control unit.
Preferably, NTC1 temperature sampling unit carries out temperature sampling, is the sample circuit accessed by a thermal resistance, by
The detection of OZ3710 battery management chip obtains battery temperature and changes corresponding voltage value, and OZ3710 battery management chip passes through IIC
Communication informs that battery pack main control unit, battery pack main control unit are handled by program, calculates corresponding battery temperature real value,
As temperature alarming, the foundation of starting protection movement.
Preferably, NTC2 temperature sampling unit, NTC2 temperature sampling unit mainly monitor temperature inside circuit board and battery pack
Degree, the method for NTC2 temperature sampling unit sampling are also the sample circuit accessed by a thermal resistance, NTC2 temperature sampling list
The corresponding voltage output of temperature of member is directly accessed the port PBO of battery pack main control unit STM32F103 microcontroller, acquisition electricity
Press data.
As described above, NTC1 temperature sampling unit, which closes NTC2 temperature sampling unit, forms independent twice safeguard protection machine
System, monitors the abnormal temperature of battery pack in real time, observes exception, drives battery pack charging controlled switch unit to close immediately, protects
Protect battery pack.
It preferably, further include two-way voltage detecting, voltage detecting passes through battery voltage sampling unit detection charging electricity all the way
Pressure, and by data access battery pack main control unit；Another way voltage detecting is by the data access battery of battery voltage sampling unit
Data communication is transmitted to battery pack main control unit again by packet balanced unit, battery pack balanced unit, these voltages can be used as equilibrium
Foundation can also be used as voltage protection reference conditions.
Preferably, the battery voltage sampling unit includes: series connection total voltage detection unit, single battery voltage sample list
Member detects the total voltage of charging voltage and battery pack wherein series connection total voltage detection unit is directly accessed battery pack main control unit,
If any exception, protection control instruction is issued by battery pack main control unit；Single battery voltage sampling unit is balanced single by battery pack
Member is responsible for the precise voltage of each batteries of detection, and provides battery balanced function, and data are sent to electricity by IIC communication
Pond packet main control unit analytical calculation, takes corresponding movement by battery pack main control unit.
Preferably, series connection total voltage detection unit includes charging voltage detection and battery voltage detection two parts, charging again
Voltage detecting charges input voltage, excessively high too low all charge protector to be caused to act；Battery voltage detection reaction is electricity
Pond total voltage, voltage reach full electric condition, stop charging, brownout, and electric discharge stops.
Preferably, battery pack voltage input, over-voltage, overcurrent, reverse connecting protection unit guarantee charging safety from hardware design,
It include: to input positive rectifier diode D1, TVS, varistor, fuse, positive rectifier diode has unidirectional voltage conduction
Function prevents from being reversely connected；TVS, varistor prevent surge voltage and charging over-voltage from endangering circuit bring from hardware design；
3A fuse is charging overcurrent protection.
Preferably, battery pack charging controlled switch unit uses field-effect tube, which is one by battery pack master
The high-power field effect pipe of unit driving is controlled, the access of conducting with shutdown charging voltage is responsible for.
The charge protection method of portable intelligent battery pack, comprising the following steps:
(1) charging access；
(2) battery pack voltage input, over-voltage, overcurrent, reverse connecting protection cell operation protect charging system；
(3) it such as detects voltage, judges voltage value, such as overtension or too low charge closing；
(3) voltage such as detected is normal, temperature sampling cell operation, charge closing when temperature anomaly；
(4) such as temperature detection value is normal, battery voltage sampling unit monitors cell voltage, if cell voltage has filled
It is full, terminate charging, otherwise continues to charge.
Beneficial effects of the present invention: the lithium battery pack charge protection system and implementation method of the present patent application, using two
Independent temperature detecting unit carries out temperature detection, and passes through the protection of battery pack main control unit, balanced unit, can effective monitoring
Battery temperature rise during lithium battery pack charge or discharge, prevention and treatment battery pack overheat are caused dangerous；There are also charging over-voltage, overcurrents to protect
Shield, electric voltage reverse-connection protection, charging overvoltage protection implement the two poles of the earth protection, and the first order inputs over-voltage TVS protection,
The detection of second pole over-voltage detection unit, programmed protection can securely and effectively carry out battery charging.
Detailed description of the invention
Fig. 1 is to schematically illustrate multiple batteries packet charge protection structural block diagram according to the present invention；
Fig. 2 is to schematically illustrate multiple batteries packet charge protector composition block diagram according to the present invention；
Fig. 3 is to show multiple batteries packet charge protection control flow chart according to the present invention.
Appended drawing reference:
110 battery pack voltage inputs, over-voltage, overcurrent, reverse connecting protection unit；
120 battery packs charging controlled switch unit；
130 battery pack main control units；
140 NTC2 temperature sampling units；
150 battery pack balanced units and temperature sampling unit；
160 battery voltage sampling units；
310 charging voltage Overvoltage protecting units；330 charging voltage sampling units；340 series connection total voltage sampling units；
350 single battery voltage sampling units.
Specific embodiment
As shown in Figure 1 it is found that the charge protection system of portable intelligent battery pack includes: battery pack master control battery pack master control
Unit 130 is responsible for the data acquisition of various protection inputs, judgement, control output；
Battery pack balanced unit and temperature sampling unit 150 are responsible for battery voltage sampling and Balance route and temperature detection；
Battery voltage sampling unit 160, for single battery voltage sample and multiple batteries series connection total voltage detection；
Battery pack voltage input, over-voltage, overcurrent, reverse connecting protection unit 110；
Battery pack charge controlled switch unit 120, battery pack voltage input, over-voltage, overcurrent, reverse connecting protection unit 110 with
Battery pack charging controlled switch unit 120 connects, and battery pack charging controlled switch unit 120 receives battery pack master control battery pack master
The instruction for controlling unit 130, is switched on or off charging voltage.
Preferably, battery pack main control unit 130 uses STM32F103 microcontroller.
Preferably, battery pack balanced unit uses OZ3710 battery management chip.
Preferably, temperature sampling unit, using two independent temperature sampling units respectively to cell-temperature monitoring, monitoring
Circuit board and battery pack internal temperature, when abnormal temperature, the battery pack controlled switch unit 120 that charges is closed, and protects battery pack.
Preferably, two independent temperature sampling units are NTC1 temperature sampling unit, NTC2 temperature sampling unit 140,
NTC1 temperature sampling unit is installed close to battery, and for monitoring single battery temperature, NTC1 temperature sampling unit is corresponding different
Control of the normal temperature alarm from battery pack balanced unit passes through IIC and communicates informing battery pack main control unit 130；NTC2 temperature
The temperature detection data of sampling unit 140 are directly accessed battery pack main control unit 130.
Preferably, NTC1 temperature sampling unit carries out temperature sampling, is the sample circuit accessed by a thermal resistance, by
The detection of OZ3710 battery management chip obtains battery temperature and changes corresponding voltage value, and OZ3710 battery management chip passes through IIC
Communication informs that battery pack main control unit 130, battery pack main control unit 130 are handled by program, calculates corresponding battery temperature
Real value, as temperature alarming, the foundation of starting protection movement.
Preferably, NTC2 temperature sampling unit 140, NTC2 temperature sampling unit 140 mainly monitor circuit board and battery pack
Internal temperature, the method for sampling of NTC2 temperature sampling unit 140 are also the sample circuit accessed by a thermal resistance, NTC2 temperature
The corresponding voltage output of temperature of degree sampling unit 140 is directly accessed battery pack main control unit 130, is into figure
The port PB0 of STM32F103 microcontroller, collection voltages data.
As described above, NTC1 temperature sampling unit, which closes NTC2 temperature sampling unit 140, forms independent twice safeguard protection
Mechanism monitors the abnormal temperature of battery pack in real time, observes exception, and battery pack charging controlled switch unit 120 is driven to close immediately
It closes, protects battery pack.
Preferably, the battery voltage sampling unit 160 includes: that series connection total voltage detection unit, single battery voltage are adopted
Sample unit 350 detects charging voltage and battery wherein series connection total voltage detection unit is directly accessed battery pack main control unit 130
The total voltage of packet issues protection control instruction by battery pack main control unit 130 if any exception；Single battery voltage sampling unit
350 are responsible for detecting the precise voltage of each batteries by battery pack balanced unit, and provide battery balanced function, and data are led to
It crosses IIC communication and is sent to 130 analytical calculation of battery pack main control unit, corresponding movement is taken by battery pack main control unit 130.
Preferably, series connection total voltage detection unit includes charging voltage detection and battery voltage detection two parts, charging again
Voltage detecting charges input voltage, excessively high too low all charge protector to be caused to act；Battery voltage detection reaction is electricity
Pond total voltage, voltage reach full electric condition, stop charging, brownout, and electric discharge stops.
It preferably, further include two-way voltage detecting, voltage detecting passes through the detection charging of battery voltage sampling unit 160 all the way
Voltage, and by data access battery pack main control unit 130；Another way voltage detecting is by the data of battery voltage sampling unit 160
Battery pack balanced unit is accessed, data communication is transmitted to battery pack main control unit 130 again by battery pack balanced unit, these voltages can
Can also be used as voltage protection reference conditions as balanced foundation.
With reference to Fig. 2, battery pack voltage input, over-voltage, overcurrent, reverse connecting protection unit 110 guarantee charging from hardware design
Safety, comprising: input positive rectifier diode D1, TVS, varistor, fuse, positive rectifier diode has unidirectional voltage
Function is connected, prevents from being reversely connected；TVS, varistor prevent surge voltage and charging over-voltage to circuit bring from hardware design
Harm；Fuse is charging overcurrent protection.
Preferably, battery pack charging controlled switch unit 120 uses field-effect tube, which is one by battery pack
The high-power field effect pipe that main control unit 130 drives is responsible for the access of conducting with shutdown charging voltage.
Charging voltage is protected by diode D1 into charging voltage overvoltage protection battery pack main control unit 130, then by overcurrent
Protect fuse (3A FUSE), enter back into battery pack charging controlled switch unit 120, battery pack charge controlled switch unit 120 by
The elements such as field-effect tube and diode D2 are constituted, and receive the instruction control of battery pack main control unit 130, by battery pack main control unit
The port PA1 of 130 (STM32F103) issues on-off instruction.
Referring to Fig. 2, battery pack charging voltage sampling unit 330 detects charging voltage, and data are via battery pack main control unit
Battery pack main control unit 130 is sent into 130 port PAO；Total voltage sampling unit 340 of connecting detects battery total voltage, data warp
Battery pack main control unit 130 is sent by the port PA4 of battery pack main control unit 130；Single battery voltage sampling unit 350 acquires
Single battery voltage, data are sent to battery pack master control via battery pack balanced unit and temperature sampling unit 150, by IIC communication
Unit 130 after battery pack main control unit 130 receives these information of voltage, is analyzed, is handled, and judgement takes corresponding protection dynamic
Make, electric voltage exception will stop charging/discharging function.
9. the charge protection method of portable intelligent battery pack, comprising the following steps:
(1) charging access；
(2) battery pack voltage input, over-voltage, overcurrent, reverse connecting protection cell operation protect charging system；
(3) it such as detects voltage, judges voltage value, such as overtension or too low charge closing；
(3) voltage such as detected is normal, temperature sampling cell operation, charge closing when temperature anomaly；
(4) such as temperature detection value is normal, battery voltage sampling unit monitors cell voltage, if cell voltage has filled
It is full, terminate charging, otherwise continues to charge.
Further, referring to Fig. 3, charging is accessed, and process control starts, and S100 is the reversed protection of charging voltage, if connect
Instead, battery charging does not work, this is a kind of protection situation.
Charging access, process control start, and S200 is the excessively high protection of charging voltage, if overtension, TVS, and pressure-sensitive member
The movement such as part, protects charging system, this is a kind of protection situation.
Charging access, process control start, and S400 is charging current overcurrent protection, if charging current is excessive, fuse
Charging system is protected in fusing, this is a kind of protection situation.
Charging access, process control start, and program S300 operation detects charging voltage, judges whether charging voltage is normal
(S500 link) will all be opened and be protected if charging voltage is excessively high or too low, charge closing；Voltage is normal, and continuation is held down
Line program (S600 link).
S600 link is to execute program, NTC temperature is detected, if NTC1 temperature sampling unit and NTC2 temperature sampling unit
140 temperature are excessively high or too low, will all open and protect, charge closing.NTC1 temperature sampling unit and NTC2 temperature sampling unit
140 temperature are all normal, continue to execute program (S610 link) down.
S610 link is to execute program, detects cell voltage, judges whether cell voltage is normal (S620 link), if electric
Cell voltage fills with, and terminates charging.If then not full electricity reenters (S640 into charge function (S630 link) is opened
Link) detection cell voltage, if not full electricity, enters back into the circulation for opening charge function (S630 link).If battery is electric
Pressure fills with, and terminates charging.
The principles and effects of the present patent application are only illustrated in above-described embodiment, and is not intended to limit the present invention Shen
Please.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the present patent application
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the present patent application
All equivalent modifications or change completed under mind and technical idea should be covered by the claim that the present invention asks.
Claims (8)
1. a kind of charge protection system of portable intelligent battery pack, it is characterised in that: include:
Battery pack main control unit is responsible for the data acquisition of various protection inputs, judgement, control output；
Battery pack balanced unit is responsible for battery voltage sampling and Balance route；
Temperature sampling unit is responsible for temperature detection；
Battery voltage sampling unit, for single battery voltage sample and multiple batteries series connection total voltage detection；
Battery pack voltage input, over-voltage, overcurrent, reverse connecting protection unit；
Battery pack charging controlled switch unit.
2. the charge protection system of portable intelligent battery pack according to claim 1, it is characterised in that: the temperature is adopted
Temperature inside sample unit monitors battery temperature, circuit board temperature and battery pack, when detecting abnormal temperature, battery pack charging by
It controls switch unit to close, protects battery pack.
3. the charge protection system of portable intelligent battery pack according to claim 2, it is characterised in that: the temperature is adopted
Sample unit is independent two temperature sampling units, and temperature sampling unit one is NTC1 temperature sampling unit, temperature sampling unit
Two be NTC2 temperature sampling unit, and the NTC1 temperature sampling unit is installed close to battery, for monitoring single battery temperature,
Corresponding control of the abnormal temperature alarm from battery pack balanced unit of NTC1 temperature sampling unit, passes through IIC and communicates informing
Battery pack main control unit；The temperature detection data of NTC2 temperature sampling unit are directly accessed battery pack main control unit.
4. the charge protection system of portable intelligent battery pack according to claim 1, it is characterised in that: further include two-way
Voltage detecting, voltage detecting detects charging voltage by battery voltage sampling unit all the way, and by data access battery pack master control
Unit；Another way voltage detecting is by the data access battery pack balanced unit of battery voltage sampling unit, battery pack balanced unit
Data communication is transmitted to battery pack main control unit again.
5. the charge protection system of portable intelligent battery pack according to claim 4, it is characterised in that: the battery electricity
Pressure sampling unit includes: series connection total voltage detection unit, single battery voltage sampling unit, wherein series connection total voltage detection unit
It is directly accessed battery pack main control unit, the total voltage of charging voltage and battery pack is detected, if any exception, by battery pack main control unit
Issue protection control instruction；Single battery voltage sampling unit is responsible for detecting the accurate of each batteries by battery pack balanced unit
Voltage, and data communication is sent to battery pack main control unit analytical calculation, corresponding movement is taken by battery pack main control unit.
6. the charge protection system of portable intelligent battery pack according to claim 1, it is characterised in that: battery pack voltage
Input, over-voltage, overcurrent, reverse connecting protection unit, comprising: input positive rectifier diode D1, TVS, varistor, fuse.
7. the charge protection system of portable intelligent battery pack according to claim 1, it is characterised in that: battery pack charging
Controlled switch unit uses field-effect tube, which is the high-power field effect driven by battery pack main control unit
Pipe is responsible for the access of conducting with shutdown charging voltage.
8. a kind of charge protection method of portable intelligent battery pack, comprising the following steps:
(1) charging access；
(2) battery pack voltage input, over-voltage, overcurrent, reverse connecting protection cell operation protect charging system；
(3) it such as detects voltage, judges voltage value, such as overtension or too low charge closing；
(3) voltage such as detected is normal, temperature sampling cell operation, charge closing when temperature anomaly；
(4) such as temperature detection value is normal, battery voltage sampling unit monitors cell voltage, if cell voltage fills with, knot
Beam charging, otherwise continues to charge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057102.XA CN109687554A (en) | 2019-01-21 | 2019-01-21 | A kind of charge protection system and method for portable intelligent battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057102.XA CN109687554A (en) | 2019-01-21 | 2019-01-21 | A kind of charge protection system and method for portable intelligent battery pack |
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| Publication Number | Publication Date |
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| CN109687554A true CN109687554A (en) | 2019-04-26 |
Family
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| CN201910057102.XA Pending CN109687554A (en) | 2019-01-21 | 2019-01-21 | A kind of charge protection system and method for portable intelligent battery pack |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201821092U (en) * | 2010-10-21 | 2011-05-04 | 天津光电通信技术有限公司 | Protective circuit for lithium power battery packs |
| WO2011134303A1 (en) * | 2010-04-30 | 2011-11-03 | 重庆长安汽车股份有限公司 | Management system for lithium battery |
| CN102957173A (en) * | 2011-08-23 | 2013-03-06 | 福建睿能电子有限公司 | Multi-cell serially-connected lithium battery pack equalization and protection system |
| WO2013155725A1 (en) * | 2012-04-18 | 2013-10-24 | 常州合力电器有限公司 | Lithium battery mower |
| CN104184192A (en) * | 2014-08-25 | 2014-12-03 | 北京航盛新能科技有限公司 | Charging and discharging active equalization circuit for lithium ion power battery pack |
| CN205104922U (en) * | 2015-07-22 | 2016-03-23 | 嘉善谦信和电子科技有限公司 | Lithium cell intelligent charging circuit with multiple protect function |
| CN106505661A (en) * | 2016-10-25 | 2017-03-15 | 合肥工业大学 | A kind of battery equalization system |
| CN206195337U (en) * | 2016-10-26 | 2017-05-24 | 东莞启益电器机械有限公司 | Battery package protection control circuit |
-
2019
- 2019-01-21 CN CN201910057102.XA patent/CN109687554A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011134303A1 (en) * | 2010-04-30 | 2011-11-03 | 重庆长安汽车股份有限公司 | Management system for lithium battery |
| CN201821092U (en) * | 2010-10-21 | 2011-05-04 | 天津光电通信技术有限公司 | Protective circuit for lithium power battery packs |
| CN102957173A (en) * | 2011-08-23 | 2013-03-06 | 福建睿能电子有限公司 | Multi-cell serially-connected lithium battery pack equalization and protection system |
| WO2013155725A1 (en) * | 2012-04-18 | 2013-10-24 | 常州合力电器有限公司 | Lithium battery mower |
| CN104184192A (en) * | 2014-08-25 | 2014-12-03 | 北京航盛新能科技有限公司 | Charging and discharging active equalization circuit for lithium ion power battery pack |
| CN205104922U (en) * | 2015-07-22 | 2016-03-23 | 嘉善谦信和电子科技有限公司 | Lithium cell intelligent charging circuit with multiple protect function |
| CN106505661A (en) * | 2016-10-25 | 2017-03-15 | 合肥工业大学 | A kind of battery equalization system |
| CN206195337U (en) * | 2016-10-26 | 2017-05-24 | 东莞启益电器机械有限公司 | Battery package protection control circuit |
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