CN106256593A - A kind of dual battery system discharge control method and system - Google Patents
A kind of dual battery system discharge control method and system Download PDFInfo
- Publication number
- CN106256593A CN106256593A CN201610620154.XA CN201610620154A CN106256593A CN 106256593 A CN106256593 A CN 106256593A CN 201610620154 A CN201610620154 A CN 201610620154A CN 106256593 A CN106256593 A CN 106256593A
- Authority
- CN
- China
- Prior art keywords
- battery
- electricity
- unit
- battery system
- monitoring
- 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.)
- Granted
Links
- 230000009977 dual effect Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000005611 electricity Effects 0.000 claims abstract description 49
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 230000000052 comparative effect Effects 0.000 claims abstract description 4
- 208000032953 Device battery issue Diseases 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to electric vehicle engineering, the invention discloses a kind of dual battery system discharge control method, it specifically includes below step: when powering on, and after monitoring two is overlapped the electricity in battery system and compared, selects the more battery of electricity as currently used battery.The invention also discloses a kind of dual battery system discharge control system, it specifically includes monitoring cell electricity quantity unit, comparing unit and selection unit, described monitoring cell electricity quantity unit electricity in monitoring two set battery system；Described comparing unit is for comparing the electricity in two set battery systems and being sent to comparative result select unit；Described selection unit for selecting the more battery of electricity as currently used battery when powering on.The control of double cell electric discharge is realized by said method.
Description
Technical field
The present invention relates to electric vehicle engineering, particularly to a kind of dual battery system discharge control method and system.
Background technology
Along with petering out of petroleum resources, electric automobile (Electron-Volt) has obtained good sending out in recent years
Exhibition, especially Graphene are as battery raw material breakthrough technically so that large-scale promotion electric automobile increasingly constitutes possibility.
Electric automobile refers to vehicle power as power, drives the vehicle of wheels travel with motor.It more saves compared to gasoline automobile
Energy environmental protection, is the most promoted by countries in the world.
Existing electric automobile uses a set of independent battery structure system substantially, and independent battery structure is relatively easy.
For being compared to independent a set of battery system structure, dual battery system has the most superior performance, but in view of structure and control
Principle processed is more complicated so that dual battery system is not developed.
Summary of the invention
It is an object of the invention to: prior art does not has dual battery system, the most just there is no the control that double cell discharges
System, causes the technical problem being difficult to double cell, the invention discloses a kind of dual battery system discharge control method and system.
The technical solution used in the present invention is such that
The invention discloses a kind of dual battery system discharge control method, it specifically includes below step: when powering on, and monitors two
After overlapping the electricity in battery system and comparing, select the more battery of electricity as currently used battery.
Further, said method also includes monitoring the temperature of two batteries and setting threshold value, the battery to different temperatures
Use different lower limit discharge electricity amount threshold values.
The invention discloses also a kind of dual battery system discharge control system, its specifically include monitoring cell electricity quantity unit,
Comparing unit and selection unit, described monitoring cell electricity quantity unit electricity in monitoring two set battery systems；Described comparison
Unit is for comparing the electricity in two set battery systems and being sent to comparative result select unit；Described selection unit is used for
Select the more battery of electricity as currently used battery when powering on.
Further, said system also includes temperature monitoring unit, and described temperature monitoring unit is for monitoring two batteries
Temperature and set the lower limit discharge electricity amount threshold value that different temperatures is corresponding, and be sent to select unit；Judge current according to temperature
When battery system electricity is less than lower limit discharge electricity amount threshold value, it is switched to other set battery system.
In sum, owing to have employed technique scheme, the invention has the beneficial effects as follows: the present invention solves double cell
The technological difficulties of system discharge, breach the blind area that dual battery system uses on electric automobile, make to use on electric automobile
Dual battery system is possibly realized.
Accompanying drawing explanation
Fig. 1 is the flow chart of the dual battery system discharge control method of the present invention.
Fig. 2 is the flow chart of the dual battery system charge control method of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, to the present invention
It is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to
Limit the present invention.
The flow chart of the dual battery system discharge control method of the present invention as shown in Figure 1.It is all charged at two batteries
After, also relate to the use of two set battery systems.
The invention discloses a kind of dual battery system discharge control method, it specifically includes below step: when powering on, prison
After surveying the electricity in two set battery systems and comparing, select the more battery of electricity as currently used battery.When powering on,
Selecting the more battery of electricity as currently used battery, as occurred, the battery power consumption that in use process, former electricity is many arrives
Below another block battery capacity.Upper once power on previous as do not automatically switch.When ambient temperature temperature is too low,
Two set batteries need to retain 5% electricity, when the electricity of battery reaches the use threshold value of 5% electricity, carry out control of discharge.
The invention discloses also a kind of dual battery system discharge control system, its specifically include monitoring cell electricity quantity unit,
Comparing unit and selection unit, described monitoring cell electricity quantity unit electricity in monitoring two set battery systems；Described comparison
Unit is for comparing the electricity in two set battery systems and being sent to comparative result select unit；Described selection unit is used for
Select the more battery of electricity as currently used battery when powering on.
Further, said system also includes temperature monitoring unit, and described temperature monitoring unit is for monitoring two batteries
Temperature and set the lower limit discharge capacity threshold value that different temperatures is corresponding, and be sent to select unit；Current electricity is judged according to temperature
When cell system electricity is less than lower limit discharge electricity amount threshold value, control the discharge capacity of two set battery systems.
The invention also discloses the charge control method of dual battery system corresponding to above-mentioned discharge control method, it specifically wraps
Including below step: a kind of dual battery system charge control method, it specifically includes below step: step one, at electronic vapour
Arranging a charge control system and two set battery systems in car, two set battery systems connect charge control system respectively；Described fill
Electric control system is monitored the use parameter of battery in two set battery systems respectively and makes charge mode judgement；Step 2, root
The parameter detected according to charge control system in step one and charge mode select the most a set of battery system of preferential charging
System, charge control system sends control signal, turns on selected battery system and external charging equipment；Step 3, work as step
After the battery system charging complete chosen in two, charge control system judges whether to continue to fill to other set battery system
Electricity, be, then conducting other set battery system and and external charging equipment, otherwise, complete charge.Pass through said method, it is achieved
Two set battery systems are charged by a single charging device, simplify equipment so that electric automobile can carry two set electricity
Cell system, improves the service life of battery system, extends the enforcement milimeter number that electric automobile once charges.Meanwhile, even if
One of them battery failure, electric automobile still can normally travel, and improves the service life of battery system, also makes
The satisfaction of user improves.
The flow chart of the dual battery system charge control method of the present invention as shown in Figure 2.The invention discloses a kind of double
Battery system charge control method, it specifically includes below step: step one, arrange a charging control system in electric automobile
System and two set battery systems, two set battery systems connect charge control system respectively；Described charge control system monitors two respectively
Overlap use parameter and the charge mode of battery in battery system；Step 2, detect according to charge control system in step one
Parameter and charge mode select the most a set of battery system of preferential charging, charge control system sends control signal,
Turn on selected battery system and external charging equipment；Step 3, when after the battery system charging complete chosen in step 2,
Charge control system judges whether to continue to be charged to other set battery system, is, then conducting other set battery system
With with external charging equipment, otherwise, complete charge.Pass through said method, it is achieved a single charging device is to two set batteries
System is charged, and simplifies equipment so that electric automobile can carry two set battery systems, improves the use longevity of battery system
Life, extends the enforcement milimeter number that electric automobile once charges.Meanwhile, though one of them battery failure, electric automobile
Or can normally travel, improve the service life of battery system, also make the satisfaction of user improve.
In step 2, charge control system selects the most a set of battery system of preferential charging according to the parameter detected
Process specific as follows:
First compare the access times of two set battery systems, select the less battery of access times, when two overlap battery system
Access times difference less than the threshold value set, such as 20 times, then preferential battery less to access times is charged, otherwise
Continue step S22.
S22. judge whether the state-of-charge (SOC) of the battery system that cycle-index is few is in the efficient district of charging, at this
In bright, (efficient district of charging is one section of battery status scope that battery charge efficiency is relatively high, judges according to battery SOC.If only
Having one of them battery bag to be in efficient district, the most preferentially charge, in this case, in the identical time, charger is the most just done work
The most.) it is then to continue step S23, no, then it is charged directly to the battery system that cycle-index is few.
Step S23. judges that this charging modes belongs to trickle charge or fills soon.As few in then allowed cycle-index for trickle charge
Battery is charged；As for filling soon, then the battery to being in efficient district is allowed to be charged.
Step S24. as fill soon, then stops when being charged the battery selected to 80%.By battery behavior and for
Security consideration, charges to stop when 80%.
After the battery system charging complete preferentially chosen, charge control system judges whether to continue to other set battery system
System is charged, and is, then conducting other set battery system and and external charging equipment, otherwise, complete charge.
When judged result is to continue with to other set battery system, charge control system is performed under high pressure by switching tube
Electricity, disconnects current rechargeable battery.Then another set of battery system is connected by another one switching tube.
Concrete steps three include:
Step S31. charge control system performs high pressure and powers on flow process (preliminary filling and main contactor connect)；Preliminary filling is to prevent electricity
Immediate current is excessive, protection circuit.Catalyst is the standardized element of circuit components, and high pressure powers on and refers to that PCU and main circuit lead to
Electricity.
Step S32. charge control system is restarted, and restarts charging process, and this set battery is charged to 100%.
Step S33. second is overlapped after battery system is completely filled with, and charge control system switches battery again, to first charging
Battery carry out the charging of 80%-100%, after two set battery all charging completes, perform electricity, PCU and main circuit power-off under high pressure.
The present invention accepts the high battery system of power carry out by dual battery system accepts the comparison prioritizing selection of power
Charging.Comparison to dual battery system cycle-index makes two set battery system cycle-indexes be maintained in certain value range.
Control strategy when judging that this charging modes is to fill soon, prioritizing selection accepts the high battery system of power and carries out
Charging, makes two set battery system cycle-indexes be maintained in certain value range simultaneously.
When judging that this charging modes is control strategy during trickle charge, two set battery system cycle-indexes are made to be maintained at necessarily
Value range in.
Step 2 can also particularly as follows:
Step S202. judges charge mode, when for filling soon, continues step S203, otherwise enters step S204；
The power that accepts of battery system is overlapped in step S203. comparison two, selects the battery system accepting power high preferentially to charge；
The recycling number of times of battery system is overlapped in step S204. comparison two, selects the battery system recycling number of times few preferential
Charging；
The state-of-charge of battery system is overlapped in step S205. comparison two, and the battery system selecting state-of-charge low preferentially charges.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (4)
1. a dual battery system discharge control method, it specifically includes below step: when powering on, monitoring two set battery systems
In electricity and after comparing, select the more battery of electricity as currently used battery.
2. dual battery system discharge control method as claimed in claim 1, it is characterised in that described method also includes monitoring two
The temperature of battery also sets threshold value, and the battery of different temperatures is used different lower limit discharge electricity amount threshold values.
3. a dual battery system discharge control system, it is characterised in that specifically include monitoring cell electricity quantity unit, comparing unit
With selection unit, described monitoring cell electricity quantity unit electricity in monitoring two set battery systems；Described comparing unit is used for
Relatively two overlap the electricity in battery systems and are sent to comparative result select unit；Described selection unit is for selecting when powering on
Select the more battery of electricity as currently used battery.
4. dual battery system discharge control system as claimed in claim 3, it is characterised in that described system also includes that temperature is supervised
Surveying unit, described temperature monitoring unit is for monitoring the temperature of two batteries and setting the lower limit discharge electricity amount threshold that different temperatures is corresponding
Value, and be sent to select unit；When judging present battery system charge less than lower limit discharge electricity amount threshold value according to temperature, it is switched to
Other set battery system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610620154.XA CN106256593B (en) | 2016-08-02 | 2016-08-02 | A kind of dual battery system discharge control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610620154.XA CN106256593B (en) | 2016-08-02 | 2016-08-02 | A kind of dual battery system discharge control method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106256593A true CN106256593A (en) | 2016-12-28 |
| CN106256593B CN106256593B (en) | 2018-12-07 |
Family
ID=57714055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610620154.XA Active CN106256593B (en) | 2016-08-02 | 2016-08-02 | A kind of dual battery system discharge control method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106256593B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849232A (en) * | 2017-01-22 | 2017-06-13 | 东莞博力威电池有限公司 | It is a kind of to realize the method and system that electric motor car polylith battery pack automatically switches |
| CN110329110A (en) * | 2019-08-06 | 2019-10-15 | 江西博能上饶客车有限公司 | A kind of cell safety control system and control method for electric motor coach |
| CN111993954A (en) * | 2020-08-27 | 2020-11-27 | 北京三快在线科技有限公司 | Vehicle battery control method, vehicle battery control device, storage medium and vehicle |
| CN111993953A (en) * | 2020-08-27 | 2020-11-27 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
| WO2021168769A1 (en) * | 2020-02-28 | 2021-09-02 | 东莞新能源科技有限公司 | Battery pack management system, battery pack, vehicle and management method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09171063A (en) * | 1995-12-20 | 1997-06-30 | Nissan Motor Co Ltd | Battery-power computing apparatus |
| JPH09218251A (en) * | 1996-02-09 | 1997-08-19 | Nissan Motor Co Ltd | Apparatus for calculating maximum charge/discharge power of battery |
| CN1996701A (en) * | 2006-01-05 | 2007-07-11 | 苏州宇达电通有限公司 | Battery charging management system and method |
| CN101420036A (en) * | 2007-10-22 | 2009-04-29 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply management device and method for battery |
| CN201323228Y (en) * | 2008-12-22 | 2009-10-07 | 深圳华为通信技术有限公司 | Multi-cell mobile terminal |
| CN102866360A (en) * | 2012-08-31 | 2013-01-09 | 惠州市亿能电子有限公司 | Power battery pack allowable discharging power estimation method |
| CN105745116A (en) * | 2013-12-18 | 2016-07-06 | 丰田自动车株式会社 | Electric power storage system for an electric vehicle |
-
2016
- 2016-08-02 CN CN201610620154.XA patent/CN106256593B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09171063A (en) * | 1995-12-20 | 1997-06-30 | Nissan Motor Co Ltd | Battery-power computing apparatus |
| JPH09218251A (en) * | 1996-02-09 | 1997-08-19 | Nissan Motor Co Ltd | Apparatus for calculating maximum charge/discharge power of battery |
| CN1996701A (en) * | 2006-01-05 | 2007-07-11 | 苏州宇达电通有限公司 | Battery charging management system and method |
| CN101420036A (en) * | 2007-10-22 | 2009-04-29 | 深圳迈瑞生物医疗电子股份有限公司 | Power supply management device and method for battery |
| CN201323228Y (en) * | 2008-12-22 | 2009-10-07 | 深圳华为通信技术有限公司 | Multi-cell mobile terminal |
| CN102866360A (en) * | 2012-08-31 | 2013-01-09 | 惠州市亿能电子有限公司 | Power battery pack allowable discharging power estimation method |
| CN105745116A (en) * | 2013-12-18 | 2016-07-06 | 丰田自动车株式会社 | Electric power storage system for an electric vehicle |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849232A (en) * | 2017-01-22 | 2017-06-13 | 东莞博力威电池有限公司 | It is a kind of to realize the method and system that electric motor car polylith battery pack automatically switches |
| CN106849232B (en) * | 2017-01-22 | 2024-02-20 | 广东博力威科技股份有限公司 | Method and system for realizing automatic switching of multiple battery packs of electric vehicle |
| CN110329110A (en) * | 2019-08-06 | 2019-10-15 | 江西博能上饶客车有限公司 | A kind of cell safety control system and control method for electric motor coach |
| CN110329110B (en) * | 2019-08-06 | 2020-12-04 | 江西博能上饶客车有限公司 | Battery safety control system and control method for electric motor coach |
| WO2021168769A1 (en) * | 2020-02-28 | 2021-09-02 | 东莞新能源科技有限公司 | Battery pack management system, battery pack, vehicle and management method |
| CN111993954A (en) * | 2020-08-27 | 2020-11-27 | 北京三快在线科技有限公司 | Vehicle battery control method, vehicle battery control device, storage medium and vehicle |
| CN111993953A (en) * | 2020-08-27 | 2020-11-27 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
| CN111993953B (en) * | 2020-08-27 | 2021-10-29 | 安徽江淮汽车集团股份有限公司 | Battery control method, power automobile and readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106256593B (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103986209B (en) | A kind of car battery charging system and method | |
| CN106256593A (en) | A kind of dual battery system discharge control method and system | |
| CN106183857A (en) | A kind of dual battery system double cell cycle-index control method and system | |
| CN103972598B (en) | Vehicular dynamic battery system, its heating management method and electric automobile | |
| CN102910082B (en) | Main and auxiliary power supply switching system for electric vehicle | |
| CN103855748B (en) | The charging system and its charging method of a kind of vehicle | |
| CN107985229A (en) | Battery management system and its control method | |
| CN109177809B (en) | Charging control method and system of electric automobile and electric automobile | |
| CN107611522B (en) | A kind of battery method for heating and controlling for cell management system of electric automobile | |
| CN105048006A (en) | Battery system and method for operting battery system | |
| CN204497817U (en) | The wireless charging system of electric automobile | |
| CN105098276A (en) | Battery systems operable in backup mode and related methods | |
| CN104085312A (en) | Battery management system of electric car | |
| KR20140142598A (en) | Multi-channel electric power charging system for EV(Eletric Vehicle) | |
| CN110341483B (en) | Detection system and detection method for motor controller of electric vehicle | |
| CN103036279A (en) | Electricity shortage preventing system of storage battery of vehicle | |
| CN103779622A (en) | Power supply management method of power battery pack | |
| CN103441558A (en) | Charge control method, electric car car-mounted terminal and charge control system | |
| CN104777423A (en) | Method for detecting state of relay in high-voltage system of nickel-hydrogen hybrid electric vehicle | |
| CN107640031A (en) | Electric automobile low tension battery management system and method | |
| CN103296726B (en) | Battery energy storage module and control method thereof and energy storage for power supply system | |
| CN104037842A (en) | Soft power outage battery management system used for electric vehicles | |
| CN106130128B (en) | A kind of dual battery system charge control method and system | |
| CN109193893A (en) | A kind of method and system preventing control discharged or defective battery | |
| CN105449785A (en) | Device and method for assisting starting of vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161229 Address after: Qingpu District of Shanghai City Lai Hong Kong Road 201700 room No. 77 510-523 Applicant after: WM MOTOR TECHNOLOGY CO.,LTD. Address before: 610000 Longquanyi, Chengdu, Jackie Chan Avenue, No. two, No. 888 headquarters of the economic port F7 building, Applicant before: WEIMA ZHONGDE AUTOMOTIVE TECHNOLOGY CHENGDU CO.,LTD. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Applicant after: Weimar Automobile Technology Group Co.,Ltd. Address before: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Applicant before: WM MOTOR TECHNOLOGY CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190708 Granted publication date: 20181207 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210708 Granted publication date: 20181207 |
|
| PD01 | Discharge of preservation of patent | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240130 Address after: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Country or region after: China Patentee after: ZHEJIANG GEELY AUTOMOBILE RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHENGDU GAOYUAN AUTOMOBILE INDUSTRY Co.,Ltd. Address before: 201700 room 510-523, Laisheng Road, Qingpu District, Shanghai Patentee before: Weimar Automobile Technology Group Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |