CN109849671A - It is a kind of applied to the battery management system of electric car, method and electric car - Google Patents
It is a kind of applied to the battery management system of electric car, method and electric car Download PDFInfo
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- CN109849671A CN109849671A CN201811415615.5A CN201811415615A CN109849671A CN 109849671 A CN109849671 A CN 109849671A CN 201811415615 A CN201811415615 A CN 201811415615A CN 109849671 A CN109849671 A CN 109849671A
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- battery
- battery management
- timing
- electric car
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- 238000000034 method Methods 0.000 title abstract description 13
- 206010010144 Completed suicide Diseases 0.000 claims abstract description 16
- 230000005611 electricity Effects 0.000 claims abstract description 16
- 238000007726 management method Methods 0.000 claims description 91
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 claims description 5
- 230000023402 cell communication Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
It is a kind of applied to the battery management system of electric car, method and electric car, which includes: battery management circuit；Switching circuit is connected between the battery management circuit and the battery of the electric car；Timing circuit；OR circuit, input terminal connects the timing circuit and the battery management circuit, output end connects the switching circuit, and when receiving the timing signal of the timing circuit input, the OR circuit controls the switching circuit and is connected to the battery and the battery management circuit；When the battery management circuit, which cancels the suicide, maintains signal, the OR circuit controls the switching circuit and disconnects the battery management circuit and the battery.The battery management circuit can periodically be timed signal and wake up to detect battery status, after completing battery status detection, committed suiside by revocation and maintain signal that can power off, and will not cause battery supply feed and reduce the electricity of battery.
Description
Technical field
The invention belongs to electric car field, it is especially a kind of applied to the battery management system of electric car, method and
Electric car.
Background technique
Only there is provided disclose relevant background technical information to the present invention for the statement of this part, it is not necessary to so constitute first
Technology.
New-energy automobile (i.e. electric car) is powered using battery, is dealt with improperly or is protected to be easy to cause not in time and pacify
Full problem.Since the battery management system (BMS) of electric car is generally battery powered, after electric car power-off, especially
It parks for a long time, battery management system does not work and loses the protection mechanism to battery.But BMS is continued working and is held very much
It easily causes electric energy loss to waste, is easy to cause battery supply feed.
Summary of the invention
In view of the foregoing, it is necessary to provide a kind of applied to the battery management system of electric car, method and electronic vapour
Vehicle can detect battery status with timing wake-up.
A kind of battery management system applied to electric car, comprising:
Battery management circuit；
Switching circuit is connected between the battery management circuit and the battery of the electric car, for be connected to or
Disconnect the battery of the battery management circuit and the electric car；
Timing circuit has the default timing signal held time for exporting；
OR circuit, input terminal connect the timing circuit and the battery management circuit, and output end connects the switch
Circuit, when receiving the timing signal of the timing circuit input, the OR circuit is controlled described in the switching circuit connection
Battery and the battery management circuit, so that the battery management circuit obtains electric and exports suicide maintenance letter to the OR circuit
Number with the timing signal disappearance after the switching circuit be in closed state；When battery management circuit revocation is described certainly
When killing maintenance signal, the OR circuit controls the switching circuit and disconnects the battery management circuit and the battery.
Preferably, the battery management circuit includes:
Power control circuit；
Processor is separately connected the power control circuit and the OR circuit, in switching circuit connection, institute
It states power control circuit to obtain electric from the battery and supply power to the processor, the processor exports institute to the OR circuit
It states suicide and maintains signal.
Preferably, the processor connects the timing circuit, for configuring the timing circuit.
Preferably, the timing circuit includes real-time timepiece chip, timing battery and flip/flops latch circuit, the timing
Battery is connect with the real-time timepiece chip, and the real-time timepiece chip is electric by the flip/flops latch circuit and described or door
Road connection, for exporting the timing signal to the OR circuit by the flip/flops latch circuit.
Preferably, the timing battery is rechargeable battery, and the timing battery is connect with the battery management circuit, in institute
When stating battery management circuit and the cell communication, the battery management circuit charges to the timing battery.
Preferably, the timing battery is super capacitor.
Preferably, the processor passes through I2C bus connects the real-time timepiece chip, for configuring the real-time clock
Chip.
Preferably, the flip/flops latch circuit includes d type flip flop, and the input terminal of the d type flip flop connects the timing
Circuit, output end connect the input terminal of the OR circuit, and the d type flip flop receives the clock that the real-time timepiece chip issues
When signal, Xiang Suoshu OR circuit exports the timing signal and the OR circuit is controlled described in the switching circuit connection
Battery and the battery management circuit.
A kind of electric car, including battery, which is characterized in that further include above-mentioned battery management system, the cell tube
Reason system connects the battery.
A kind of battery management method applied to electric car, comprising the following steps:
Timing circuit is generated according to predetermined period has the default timing signal held time；
When OR circuit receives the timing signal, the battery and cell tube of electric car described in control switch circuit communication
Manage circuit so that the battery management circuit obtain it is electric；
The battery management circuit exports suicide to the OR circuit and maintains signal, so that the timing signal is more than institute
Default hold time is stated after disappearing, the OR circuit controls the switching circuit and is in closed state；
When the battery management circuit, which cancels the suicide, maintains signal, the OR circuit controls the switching circuit
Disconnect the battery management circuit and the battery.
Compared to the prior art, above-mentioned to pass through applied to the battery management system of electric car, method and electric car
When timing circuit generates timing signal, the OR circuit controls the switching circuit and is connected to the battery and the battery management
Circuit, so that the battery management circuit obtains electric and exports suicide maintenance signal in the timing signal to the OR circuit
The switching circuit is in closed state after disappearance；It is described when the battery management circuit, which cancels the suicide, maintains signal
OR circuit controls the switching circuit and disconnects the battery management circuit and the battery.Therefore, battery management circuit can be with
It is timed signal to wake up to detect battery status, after completing battery status detection, is committed suiside by revocation and maintain signal that can break
Electricity will not cause battery supply feed and reduce the electricity of battery.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the circuit diagram of battery management system.
Fig. 2 is the schematic diagram that latch cicuit is triggered in Fig. 1.
Fig. 3 is the flow chart of battery management method.
Main element symbol description
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention will be described in detail.It should be noted that in the absence of conflict, presently filed embodiment and reality
The feature applied in mode can be combined with each other.Many details are explained in the following description in order to fully understand this hair
Bright, described embodiment is only some embodiments of the invention, rather than whole embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Mode shall fall within the protection scope of the present invention.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
In the various embodiments of the invention, it is not intended to limit the present invention for ease of description, present patent application specification
And term used in claims " connection " is not limited to physics or mechanical connection, but may include electricity
Property connection, it is either direct or indirectly.
Fig. 1 is the circuit diagram of battery management system.As shown in Figure 1, being applied to the battery management system of electric car
200 include battery management circuit 210, switching circuit 220, timing circuit 240 and OR circuit 230, is determined by timing circuit 240
When issue timing signal trigger switch circuit 220 connection to wake up battery management circuit 210, battery management circuit 210 complete
After the detection of 100 state of battery, control switch circuit 220 disconnects battery management circuit 210 and drops to avoid the feed of battery 100
The electricity of low battery 100.
Battery management circuit 210 is powered by battery 100, for checking the state of power battery, in power battery state
Prompt information can be sent out when abnormal by depositing, such as is issued sound-light alarm or issued abnormal prompt information to intelligent terminal
Deng.In present embodiment, battery management circuit 210 includes power control circuit 212 and processor 211.Power control circuit 212
It is connected with processor 211, for powering to processor 211.Electric current and voltage of the battery management circuit 210 for input are adjusted
It is whole, so that the electric current and other moulds of voltage matches of output are to meet the power demands to other circuit modules.For example, battery management
Circuit 210 is adjusted by the voltage and current to battery 100, exports the output voltage of 3.3V to power to processor 211.Processing
Device 211 is separately connected the power control circuit 212 and the OR circuit 230.Processor 211 is including but not limited to centre
Reason device (Central Processing Unit, CPU), micro-control unit (Micro ControllerUnit, MCU) etc. are used for
The device of interpretive machine instruction and the data in processing computer software.In the switching circuit 220 connection, the electricity
Source control circuit 212 obtains electric and supplies power to the processor 211 from the battery 100, and the processor 211 is electric to described or door
Road 230 exports the suicide and maintains signal.Processor 211 it is electric after, the related journey detected to battery 100 can be executed
Sequence is to complete 100 detection processing of battery.After processor 211 completes the detection of battery 100, the control control revocation of processor 211 should
Suicide maintains signal, that is, stops exporting suicide maintenance signal.
Switching circuit 220 is connected between the battery management circuit 210 and the battery 100 of the electric car, is used for
It is connected to or disconnects the battery 100 of the battery management circuit 210 and the electric car.Those skilled in the art can use
A variety of existing electric electronic elements realize switching functions, for example, switching circuit 220 may include triode 2433, thyristor or
Person's relay element, by the control signal of control terminal to be switched on or off circuit.
Timing circuit 240 is used to export with the default timing signal held time.Timing circuit 240 can be periodic
The timing signal is exported, timing signal can also be exported according to preset variable time interval, or according to external world's output
Clock signal is to export the timing signal.In present embodiment, the processor 211 connects the timing circuit 240, for matching
The timing circuit 240 is set, such as configuration timing circuit 240 generates period or the trigger condition, initialization number of timing signal
According to etc..Processor 211 can configure the timing circuit 240 for the first time, then no longer need in subsequent wakeup process
Timing circuit 240 is configured again.In addition, those skilled in the art also can according to need operation so that processor 211
Modification again configures timing circuit 240.
As shown in Figure 1, the timing circuit 240 includes real-time timepiece chip 241 (RTC), timing battery 242 and trigger
Latch cicuit 243.The timing battery 242 is connect with the real-time timepiece chip 241, for real-time timepiece chip 241 into
Row power supply.Timing battery 242 preferably uses rechargeable battery or super capacitor, when switching circuit 220 disconnects, by timing electricity
Pond 242, which is discharged, provides power supply to timing circuit 240；When switching circuit 220 is connected to, timing battery 242 can be from battery management electricity
It is obtained at the power control circuit 212 on road 210 electric with charging, the prolonged power supply of realization.Wherein, the super capacitor also known as electricity
Chemical capacitor, double layer capacitor, gold capacitor, farad capacitor, be it is a kind of by polarized electrolytic matter come a kind of electrification of energy storage
Element is learned, the process of energy storage does not chemically react, and this thermal energy storage process is reversible, can be hundreds of thousands of with repeated charge
It is secondary.Inventor has found that for super capacitor powers duration up to one month as long as, reliability was higher in application process.It is described real-time
Clock chip 241 is connect by the flip/flops latch circuit 243 with the OR circuit 230, for passing through the trigger
Latch cicuit 243 exports the timing signal to the OR circuit 230.Real-time timepiece chip 241 can be model
The chip of DS1302, DS1307, PCF8485, can intermittent output clock signal (i.e. CLK signal), pass through I2The connection of C bus
The processor 211, processor 211 can realize setting to the timing of real-time timing chip by application software configuration
It sets.
Fig. 2 is the schematic diagram that latch cicuit is triggered in Fig. 1.As shown in Fig. 2, the flip/flops latch circuit 243 is touched including D
Send out device 2431, power regulator 2432 and triode 2433.
The CLK signal that real-time timepiece chip 241 generates connects the input terminal CLK of the d type flip flop 2431 by triode,
In addition, input terminal CLK also passes sequentially through resistance and switch is connected to the output end of power regulator 2432, and pass through a switch
It is connected to the end GND, in this way, the i.e. changeable input terminal CLK of folding condition for passing through the switch for changing input terminal connection is high level
Or low level.The input terminal D of d type flip flop 2431 is connected to the output end of power regulator 2432 by a resistance, and leads to
It crosses a switch and is connected to GND.In this way, can modify input terminal D by the folding condition for changing switch is high level or low electricity
It is flat.The output end Q of d type flip flop 2431 connects the input terminal of the OR circuit 230.The power end of d type flip flop 2431 passes through electricity
Source voltage-stablizer 2432 is powered.
Therefore, when CLK signal is high level, the output end Q of d type flip flop 2431 is also high level.When CLK signal is more than
This is default when holding time and becoming low level, and the output end Q of d type flip flop 2431 is also low level.In this way, even if real-time clock
The signal duration section that chip 241 exports, and do not have any load capacity, CLK is believed by flip/flops latch circuit 243
Number latch after export, timing signal is received by OR circuit 230.It is received in the d type flip flop 2431 described real-time
When the CLK signal that clock chip 241 issues, Xiang Suoshu OR circuit 230 exports the timing signal and makes the OR circuit
The 230 control switching circuits 220 are connected to the battery 100 and the battery management circuit 210.
OR circuit 230 is exported for logic control: if there is one to receive high level, output end output in input terminal
High level；If input terminal all receives low level, output end exports low level.In present embodiment, OR circuit 230
Input terminal connects the timing circuit 240 and the battery management circuit 210, and output end connects the switching circuit 220.Work as meter
When at least one circuit 240 or battery management circuit 210 output high level when, output end exports high electricity to switching circuit 220
It is flat that battery 100 and battery management circuit 210 are connected to trigger switch circuit 220.
In addition, present embodiment additionally provides a kind of electric car, including battery 100 and above-mentioned battery management system
200, the battery management system 200 connects the battery 100.It should be noted that in spirit or essential attributes of the invention
In the range of, each concrete scheme suitable for the embodiment of battery management system 200 can also be suitable for electronic accordingly
In the embodiment of automobile, for the sake of saving space and avoiding repetition, details are not described herein again.
Fig. 3 is the flow chart of battery management method.Below with reference to Fig. 3 to the cell tube of above-mentioned battery management system 200
Reason method is described in detail.As shown in figure 3, the battery management method includes step S301~S304.
Step S301: timing circuit 240, which generates, has the default timing signal held time.Before this step, processing
Device 211 can also configure timing circuit 240, when setting timing circuit 240 generates period or the timing of timing signal
Between.
Step S302: when OR circuit 230 receives the timing signal, control switch circuit 220 is connected to the electronic vapour
The battery 100 and battery management circuit 210 of vehicle, so that the battery management circuit 210 must be electric.
Step S303: the battery management circuit 210 exports suicide to the OR circuit 230 and maintains signal, so that institute
It states timing signal and is more than default hold time after disappearing, the OR circuit 230 controls the switching circuit 220 and still locates
In closed state.In this way, battery management circuit 210 can be with load cell state detection processes to examine to 100 state of battery
It surveys.After completing battery status detection, S304 is entered step.
Step S304: when the battery management circuit 210, which cancels the suicide, maintains signal, the OR circuit 230
Control the switching circuit 220 and disconnect the battery management circuit 210 and the battery 100 so that battery management system 200 into
Row dormant state can feed the electricity to prevent from reducing battery 100 to avoid the battery 100 of electric car.
In several specific embodiments provided by the present invention, it should be understood that disclosed system and component may be used also
To realize by another way.It is obvious to a person skilled in the art that the present invention is not limited to the above exemplary embodiments
Details can realize this in other specific forms and without departing from the spirit or essential characteristics of the present invention
Invention.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, the present invention
Range be indicated by the appended claims rather than the foregoing description, it is intended that the meaning that the equivalent requirements of the claims will be fallen in
It is included in the present invention with all changes in range.It should not treat any reference in the claims as involved by limitation
Claim.Furthermore, it is to be understood that one word of " comprising " does not exclude other units or steps, odd number is not excluded for plural number.System rights are wanted
The multiple units or device for asking middle statement can also be implemented through software or hardware by the same unit or device.First,
Second equal words are used to indicate names, and are not indicated any particular order.
Embodiment of above is only used to illustrate the technical scheme of the present invention and not to limit it, although referring to the above preferable embodiment party
Formula describes the invention in detail, those skilled in the art should understand that, it can be to technical solution of the present invention
It modifies or equivalent replacement should not all be detached from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of battery management system applied to electric car characterized by comprising
Battery management circuit；
Switching circuit is connected between the battery management circuit and the battery of the electric car, for being connected to or disconnecting
The battery of the battery management circuit and the electric car；
Timing circuit has the default timing signal held time for exporting；
OR circuit, input terminal connect the timing circuit and the battery management circuit, and output end connects the switching circuit,
When receiving the timing signal of timing circuit input, the OR circuit control the switching circuit be connected to the battery and
The battery management circuit so that the battery management circuit obtain it is electric and to the OR circuit export suicide maintain signal with
The switching circuit is in closed state after the timing signal disappears；It is maintained when the battery management circuit cancels the suicide
When signal, the OR circuit controls the switching circuit and disconnects the battery management circuit and the battery.
2. being applied to the battery management system of electric car as described in claim 1, which is characterized in that the battery management electricity
Road includes:
Power control circuit；
Processor is separately connected the power control circuit and the OR circuit, in switching circuit connection, the electricity
Source control circuit obtains electric and supplies power to the processor from the battery, and the processor is described certainly to OR circuit output
Kill maintenance signal.
3. being applied to the battery management system of electric car as claimed in claim 2, which is characterized in that the processor connection
The timing circuit, for configuring the timing circuit.
4. being applied to the battery management system of electric car as claimed in claim 3, which is characterized in that the timing circuit packet
Real-time timepiece chip, timing battery and flip/flops latch circuit are included, the timing battery is connect with the real-time timepiece chip, institute
It states real-time timepiece chip and is connect by the flip/flops latch circuit with the OR circuit, for passing through the flip/flops latch
Circuit exports the timing signal to the OR circuit.
5. being applied to the battery management system of electric car as claimed in claim 4, which is characterized in that the timing battery is
Rechargeable battery, the timing battery is connect with the battery management circuit, in the battery management circuit and the cell communication
When, the battery management circuit charges to the timing battery.
6. being applied to the battery management system of electric car as claimed in claim 5, which is characterized in that the timing battery is
Super capacitor.
7. being applied to the battery management system of electric car as claimed in claim 4, which is characterized in that the processor passes through
I2C bus connects the real-time timepiece chip, for configuring the real-time timepiece chip.
8. being applied to the battery management system of electric car as claimed in claim 4, which is characterized in that the flip/flops latch
Circuit includes d type flip flop, and the input terminal of the d type flip flop connects the timing circuit, and output end connects the OR circuit
Input terminal, when the d type flip flop receives the clock signal that the real-time timepiece chip issues, described in the output of Xiang Suoshu OR circuit
Timing signal makes the OR circuit control the switching circuit connection battery and the battery management circuit.
9. a kind of electric car, including battery, which is characterized in that further include such as the described in any item cell tubes of claim 1-8
Reason system, the battery management system connect the battery.
10. a kind of battery management method applied to electric car, which comprises the following steps:
Timing circuit is generated according to predetermined period has the default timing signal held time；
When OR circuit receives the timing signal, battery and the battery management electricity of electric car described in control switch circuit communication
Road so that the battery management circuit obtain it is electric；
The battery management circuit exports suicide to the OR circuit and maintains signal, so that the timing signal is more than described pre-
If after holding time and disappearing, the OR circuit controls the switching circuit and is in closed state；
When the battery management circuit, which cancels the suicide, maintains signal, the OR circuit controls the switching circuit and disconnects
The battery management circuit and the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415615.5A CN109849671A (en) | 2018-11-26 | 2018-11-26 | It is a kind of applied to the battery management system of electric car, method and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811415615.5A CN109849671A (en) | 2018-11-26 | 2018-11-26 | It is a kind of applied to the battery management system of electric car, method and electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109849671A true CN109849671A (en) | 2019-06-07 |
Family
ID=66890232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811415615.5A Pending CN109849671A (en) | 2018-11-26 | 2018-11-26 | It is a kind of applied to the battery management system of electric car, method and electric car |
Country Status (1)
| Country | Link |
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| CN (1) | CN109849671A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313374A (en) * | 2020-03-09 | 2020-06-19 | 深圳市麦澜创新科技有限公司 | Battery system under-voltage protection circuit and method applied to electric bicycle BMS |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090085516A1 (en) * | 2007-09-28 | 2009-04-02 | Hitachi, Ltd. | Automotive Power Supply System |
| CN204123974U (en) * | 2014-10-08 | 2015-01-28 | 武汉弈飞科技有限公司 | A kind of speciality car battery charging and discharging protection system |
| CN106143159A (en) * | 2016-07-07 | 2016-11-23 | 超威电源有限公司 | There is electric automobile low-voltage power supply system and the control method thereof of battery equilibrium regulation |
| CN108177548A (en) * | 2018-01-18 | 2018-06-19 | 苏州超云新能源有限公司 | Accumulator of electric car power shortage self-charging system, charging method and electric vehicle |
| CN209336500U (en) * | 2018-11-26 | 2019-09-03 | 深圳市麦澜创新科技有限公司 | A kind of battery management system and electric car applied to electric car |
-
2018
- 2018-11-26 CN CN201811415615.5A patent/CN109849671A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090085516A1 (en) * | 2007-09-28 | 2009-04-02 | Hitachi, Ltd. | Automotive Power Supply System |
| CN204123974U (en) * | 2014-10-08 | 2015-01-28 | 武汉弈飞科技有限公司 | A kind of speciality car battery charging and discharging protection system |
| CN106143159A (en) * | 2016-07-07 | 2016-11-23 | 超威电源有限公司 | There is electric automobile low-voltage power supply system and the control method thereof of battery equilibrium regulation |
| CN108177548A (en) * | 2018-01-18 | 2018-06-19 | 苏州超云新能源有限公司 | Accumulator of electric car power shortage self-charging system, charging method and electric vehicle |
| CN209336500U (en) * | 2018-11-26 | 2019-09-03 | 深圳市麦澜创新科技有限公司 | A kind of battery management system and electric car applied to electric car |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313374A (en) * | 2020-03-09 | 2020-06-19 | 深圳市麦澜创新科技有限公司 | Battery system under-voltage protection circuit and method applied to electric bicycle BMS |
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