CN106143187B - A kind of electromobile with metal air battery low-voltage electric system - Google Patents
A kind of electromobile with metal air battery low-voltage electric system Download PDFInfo
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- CN106143187B CN106143187B CN201610518621.8A CN201610518621A CN106143187B CN 106143187 B CN106143187 B CN 106143187B CN 201610518621 A CN201610518621 A CN 201610518621A CN 106143187 B CN106143187 B CN 106143187B
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- vehicle mounted
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- mounted dynamic
- metal
- battery group
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- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of electromobile with metal air battery low-voltage electric systems, the system includes metal-air battery, vehicle mounted dynamic battery group, power battery pack temperature-detecting device, channel switching device, voltage changer, on-board air conditioner, vehicle mounted dynamic battery group heating device, vehicular automotive electronic equipment, when observed temperature is between system minimum temperature threshold and system maximum temperature threshold value, the input terminal that vehicle mounted dynamic battery group is connected to voltage changer by channel switching device is powered；Otherwise, metal-air battery is connected to the input terminal of voltage changer and is powered by channel switching device.The present invention can greatly reduce the power load of vehicle mounted dynamic battery group, improve VMT Vehicle-Miles of Travel；Vehicle mounted dynamic battery group can be made to always work within the scope of reasonable temperature, to effectively improve the service life of vehicle mounted dynamic battery group.
Description
Technical field
The present invention relates to electric vehicle low-voltage electric system technical field more particularly to a kind of electronic vapour of metal-air battery
Vehicle low-voltage electric system.
Background technology
With the increasingly depleted of fossil energy and increasingly sharpening for problem of environmental pollution, the full electric drive of clean environment firendly
Electric vehicle has obtained more and more applications.Since vehicle mounted dynamic battery group requires harshness to environment temperature, when battery pack temperature
When degree is less than 0 DEG C, startup Vehicular heating device is needed to heat battery pack；When battery pack temperature is higher than 35 DEG C, need
Start vehicle-mounted cooling device to cool down battery pack.
Chinese patent 201210521707.8 " heating system and electric vehicle of batteries of electric automobile group " proposes one kind
The heating system of batteries of electric automobile group, but battery pack can only be heated using alternating current in parking；Chinese patent
201510219170.3 " power battery box of electric vehicle and electric vehicles " propose a kind of power battery using Water Cooling Technology
The operating of case, the water cooling plant needs power battery pack to provide electric energy；201410174818.5 " batteries of electric automobile of Chinese patent
Case cooling system " proposes a kind of battery case heat dissipation system comprising several radiator fans, cooling fin fin base, intelligent semi-conductor chip
System, the cooling system are also required to power battery pack and provide electric energy.
In the above scheme, usually using vehicle mounted dynamic battery as the sole energy source of vehicle low-pressure system.In vehicle
In driving process, when starting battery heating or cooling device, it is itself really to use the electric energy that power battery pack itself stores
It is heated or cooled.This may result in battery pack and is operated in low temperature or the condition of high temperature, can not only reduce the continual mileage of vehicle,
Also result in the acceleration decline in power battery service life.Therefore, in order to optimize vehicle performance, vehicle mounted dynamic battery group is avoided to be operated in
State too high or too low for temperature, there is an urgent need to propose a kind of electric vehicle low-voltage electrical independent of vehicle mounted dynamic battery group
System.
Invention content
In view of above-mentioned analysis, the present invention is intended to provide a kind of electromobile with metal air battery low-voltage electric system, is used
To reduce and optimize the operating load of vehicle mounted dynamic battery group, to improve the service life and vehicle mileage travelled of battery pack.
The purpose of the present invention is mainly achieved through the following technical solutions：
A kind of electromobile with metal air battery low-voltage electric system, the system include metal-air battery, onboard power
Battery pack, power battery pack temperature-detecting device, channel switching device, voltage changer, on-board air conditioner, vehicle mounted dynamic battery
Group heating device, vehicular automotive electronic equipment；
Metal-air battery, vehicle mounted dynamic battery group, the output end of power battery pack temperature-detecting device and channel switch
The input terminal of device is connected；
The output end of channel switching device is connected with the input terminal of voltage changer；
The output end of voltage changer is set with on-board air conditioner, vehicle mounted dynamic battery group heating device, vehicular automotive electronic
Standby input terminal is connected, and is provided respectively properly for on-board air conditioner, vehicle mounted dynamic battery group heating device, vehicular automotive electronic equipment
Power input.
Channel switching device includes the 1st controllable switch device and the 2nd controllable switch device.
1st controllable switch device and the 2nd controllable switch device are one kind in following switch variety：Relay, triode,
Electromagnetic switch, metal oxide layer semiconductcor field effect transisto (MOSFET), insulated gate bipolar transistor (IGBT).
Preferably, the 1st controllable switch device and the 2nd controllable switch device are metal oxide layer semiconductcor field effect crystal
Manage (MOSFET) switch.
Metal-air battery is one kind in following battery variety：Aluminium-air cell, magnesium air battery, lithium-air battery,
Zinc-air battery or calcium air cell.
Preferably, metal-air battery is lithium-air battery.
Channel switching device receives the observed temperature signal that power battery pack temperature-detecting device is sent, and controls metal sky
The access and disconnection in pneumoelectric pond, vehicle mounted dynamic battery group.
The observed temperature that power battery pack temperature-detecting device detects is less than system minimum temperature threshold or higher than being
When maximum temperature threshold value of uniting, metal-air battery is connected to the input terminal of voltage changer by channel switching device, makes metal
Air cell is vehicle low voltage equipment such as on-board air conditioner, vehicle mounted dynamic battery group heating device, vehicular automotive electronic equipment
Electric energy is provided.
The observed temperature that power battery pack temperature-detecting device detects is between system minimum temperature threshold and system highest
When between temperature threshold, vehicle mounted dynamic battery group is connected to the input terminal of voltage changer by channel switching device, is made vehicle-mounted
Power battery is vehicle low voltage equipment such as on-board air conditioner, vehicle mounted dynamic battery group heating device, vehicular automotive electronic equipment
Electric energy is provided.
Preferably, system minimum temperature threshold is 0 DEG C；System maximum temperature threshold value is 35 DEG C.
System minimum temperature threshold and system maximum temperature threshold value can be according to the best of different vehicle mounted dynamic battery groups
Operating temperature range is adjusted correspondingly.
The present invention has the beneficial effect that：
(1) currently, energy density of the common lithium-ion-power cell in groups after use is about 95-130Wh/kg, charging
About 200-300 kilometers of continual mileage afterwards；Metal-air battery has the energy density of superelevation, and the energy density of lithium-air battery is most
Height can reach 11140Wh/kg, be ten times of traditional lithium-ion battery or so, suitable with gasoline.It is electronic using metal-air battery
Automobile low-voltage electric system scheme, can greatly reduce the power load of vehicle mounted dynamic battery group so that running distance of eletric vehicles
It can reach 600 kilometers or more.
(2) common lithium-ion-power cell there are overcharge, overdischarge, self discharge etc. it is many be difficult to solve at all lack
It falls into, and charge and discharge process is complex, the charging time is longer；Metal-air battery is existed using " mechanical charging " mode
After battery electric discharge completely, used metal electrode in battery is taken out, new metal electrode, the time used in whole process are changed to
It is 3 to 5 minutes, is not necessarily to charging equipment.
(3) after common lithium-ion-power cell breaks down, the mode for replacing battery cell can only be taken to be safeguarded,
It is maintainable poor；Energy quick-replaceable metal fuel and electrolyte, maintainability are obviously improved.
(4) electromobile with metal air battery low-voltage electric system scheme is used, can effectively reduce power battery pack about
20% power load, and vehicle mounted dynamic battery group is made to always work within the scope of reasonable temperature, it is vehicle-mounted to effectively improve
The service life of power battery pack.
Other features and advantages of the present invention will illustrate in the following description, also, partial feature and advantage from
It is become apparent in specification, or understand through the implementation of the invention.The purpose of the present invention and other advantages can by
Specifically noted structure is realized and is obtained in specification, claims and the attached drawing write.
Description of the drawings
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in entire attached drawing
In, identical reference mark indicates identical component.
Fig. 1 is electric vehicle low-voltage electric system schematic diagram of the present invention.
Fig. 2 is electric vehicle low-voltage electric system schematic diagram when power battery pack temperature is -5 DEG C in the embodiment of the present invention.
Fig. 3 is electric vehicle low-voltage electric system schematic diagram when power battery pack temperature is 25 DEG C in the embodiment of the present invention.
In figure：Metal-air battery 01, vehicle mounted dynamic battery group 02, power battery pack temperature-detecting device 03, channel
Switching device 04, voltage changer 05, on-board air conditioner 06, vehicle mounted dynamic battery group heating device 07, vehicle-mounted automobile electricity
Sub- equipment 08, the 1st controllable switch device J1 and the 2nd controllable switch device J2.
Specific implementation mode
Specifically describing the preferred embodiment of the present invention below in conjunction with the accompanying drawings, wherein attached drawing constitutes the application part, and
It is used to illustrate the principle of the present invention together with embodiments of the present invention.
It is a kind of electromobile with metal air battery low-voltage electric system as shown in Figure 1, which includes metal-air electricity
Pond 01, vehicle mounted dynamic battery group 02, power battery pack temperature-detecting device 03, channel switching device 04, voltage changer 05,
On-board air conditioner 06, vehicle mounted dynamic battery group heating device 07, vehicular automotive electronic equipment 08；
Metal-air battery 01, vehicle mounted dynamic battery group 02, power battery pack temperature-detecting device 03 output end with it is logical
The input terminal of road switching device 04 is connected；
The output end of channel switching device 04 is connected with the input terminal of voltage changer 05；
The output end of voltage changer 05 and on-board air conditioner 06, vehicle mounted dynamic battery group heating device 07, vehicle-mounted automobile
The input terminal of electronic equipment 08 is connected, and is on-board air conditioner 06, vehicle mounted dynamic battery group heating device 07, vehicular automotive electronic equipment
08 provides suitable power input respectively.
Channel switching device 04 includes the 1st controllable switch device J1 and the 2nd controllable switch device J2.
1st controllable switch device J1 and the 2nd controllable switch device J2 is metal oxide layer semiconductcor field effect transisto
(MOSFET) it switchs.
Metal-air battery 01 is lithium-air battery.
Channel switching device 04 receives the observed temperature signal that power battery pack temperature-detecting device 03 is sent, and controls gold
Belong to the access and disconnection of air cell 01, vehicle mounted dynamic battery group 02.
When observed temperature is less than system minimum temperature threshold or higher than system maximum temperature threshold value, channel switching device
04 connects the 1st controllable switch device J1, disconnects the 2nd controllable switch device J2, metal-air battery 01 is connected to voltage transformation
The input terminal of device 05, it is vehicle low voltage equipment such as on-board air conditioner 06, vehicle mounted dynamic battery group to make metal-air battery 01
Heating device 07, vehicular automotive electronic equipment 08 provide electric energy；When observed temperature between system minimum temperature threshold and system most
When between high-temperature threshold, channel switching device 04 disconnects the 1st controllable switch device J1, connects the 2nd controllable switch device J2, will
Vehicle mounted dynamic battery group 02 is connected to the input terminal of voltage changer 05, and it is that vehicle low pressure electricity consumption is set to make vehicle mounted dynamic battery 01
Standby such as on-board air conditioner 06, vehicle mounted dynamic battery group heating device 07, vehicular automotive electronic equipment 08 provide electric energy.
Initialization system minimum temperature threshold is 0 DEG C；System maximum temperature threshold value is 35 DEG C.
When power battery pack temperature is -5 DEG C, electric vehicle low-voltage electric system is as shown in Figure 2.
The temperature that power battery pack temperature-detecting device 03 measures battery pack is -5 DEG C, and sends it to channel switching dress
Set to 04.Channel switching device 04 judges that observed temperature value is less than 0 DEG C of system minimum temperature threshold, and channel switching device 04 connects the
1 controllable switch device J1 disconnects the 2nd controllable switch device J2, metal-air battery 01 is connected to voltage changer 05
Input terminal.At this point, metal-air battery 01 is vehicle low voltage equipment such as on-board air conditioner 06, vehicle mounted dynamic battery group heating dress
It sets to 07, vehicular automotive electronic equipment 08 and electric energy is provided.
Under above-mentioned operating mode, metal-air battery 01 can be by vehicle mounted dynamic battery group heating device 07 to vehicle-mounted dynamic
Power battery pack 02 is heated, to avoid it from being operated in low-temperature condition.This can not only improve vehicle mounted dynamic battery group 02
Cycle life, and the actually available electricity of vehicle mounted dynamic battery group 02 can be made to increase by 20% or so, and then by mileage travelled
Improve 20% or so.
When power battery pack temperature is 25 DEG C, electric vehicle low-voltage electric system is as shown in Figure 3.
The temperature that power battery pack temperature-detecting device 03 measures battery pack is 25 DEG C, and sends it to channel switching dress
Set to 04.Channel switching device 04 judges observed temperature value between 0 DEG C of system minimum temperature threshold and system maximum temperature threshold value 35
Between DEG C, channel switching device 04 disconnects the 1st controllable switch device J1, connects the 2nd controllable switch device J2, by onboard power electricity
Pond group 02 is connected to the input terminal of voltage changer 05.At this point, vehicle mounted dynamic battery 01 is vehicle low voltage equipment such as vehicle
Carry air-conditioning 06, vehicular automotive electronic equipment 08 provides electric energy.
Under above-mentioned operating mode, metal-air battery 01 can power to on-board air conditioner 06, vehicle-mounted dynamic to effectively reduce
The power load of power battery 01, and it is avoided to be operated in the condition of high temperature.This can not only improve following for vehicle mounted dynamic battery group 02
The ring service life, and can be the power load that vehicle mounted dynamic battery group 02 saves 20% or so, and then mileage travelled is improved
20% or so.
In conclusion an embodiment of the present invention provides a kind of electromobile with metal air battery low-voltage electric system, use
Present system can be such that vehicle mounted dynamic battery group always works within the scope of reasonable temperature, to effectively improve onboard power
The service life of battery pack；The power load that vehicle mounted dynamic battery group can also be greatly reduced, by the mileage travelled of electric vehicle
Improve 20% or so.In addition, metal-air battery is not necessarily to charging equipment using " mechanical charging " mode, it is maintainable good, and
Have many advantages, such as that energy density height, discharging voltage balance, storage life is long, cheap, nontoxic, pollution-free, safety is good.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of electromobile with metal air battery low-voltage electric system, which is characterized in that the system includes metal-air battery
(01), vehicle mounted dynamic battery group (02), power battery pack temperature-detecting device (03), channel switching device (04), voltage transformation
Device (05), on-board air conditioner (06), vehicle mounted dynamic battery group heating device (07), vehicular automotive electronic equipment (08)；
The output of the metal-air battery (01), vehicle mounted dynamic battery group (02), power battery pack temperature-detecting device (03)
End is connected with the input terminal of the channel switching device (04)；
The output end of the channel switching device (04) is connected with the input terminal of the voltage changer (05)；
The output end of the voltage changer (05) and the on-board air conditioner (06), vehicle mounted dynamic battery group heating device
(07), the input terminal of vehicular automotive electronic equipment (08) is connected, and is the on-board air conditioner (06), vehicle mounted dynamic battery group heating dress
Set (07), vehicular automotive electronic equipment (08) provides suitable power input respectively.
2. electrical system according to claim 1, which is characterized in that the channel switching device (04) includes the 1st controllable
Switching device (J1) and the 2nd controllable switch device (J2).
3. electrical system according to claim 2, which is characterized in that the 1st controllable switch device (J1) and the 2nd is controllably
Switching device (J2) is one kind in following switch variety：Relay, triode, electromagnetic switch, metal oxide layer semiconductcor field
Imitate transistor (MOSFET), insulated gate bipolar transistor (IGBT).
4. electrical system according to claim 2 or 3, which is characterized in that the 1st controllable switch device (J1) and the 2nd
Controllable switch device (J2) is metal oxide layer semiconductcor field effect transisto (MOSFET) switch.
5. electrical system according to claim 1, which is characterized in that the metal-air battery (01) is following battery kind
One kind in class：Aluminium-air cell, magnesium air battery, lithium-air battery, zinc-air battery or calcium air cell.
6. electrical system according to claim 1 or 5, which is characterized in that the metal-air battery (01) is lithium air
Battery.
7. electrical system according to claim 1, which is characterized in that the channel switching device (04) receives the power
The observed temperature signal that battery pack temperature detection device (03) is sent, and control metal-air battery (01), vehicle mounted dynamic battery
The access and disconnection of group (02).
8. electrical system according to claim 7, which is characterized in that power battery pack temperature-detecting device (03) inspection
When the observed temperature measured is less than system minimum temperature threshold or higher than system maximum temperature threshold value, the channel switching device
(04) metal-air battery (01) is connected to the input terminal of voltage changer (05), make metal-air battery (01) directly with
The on-board air conditioner (06) of vehicle low voltage equipment, vehicle mounted dynamic battery group heating device (07), vehicular automotive electronic equipment
(08) it is connected directly；If observed temperature be less than system minimum temperature threshold, start vehicle mounted dynamic battery group heating device (07) and
On-board air conditioner (06)；If observed temperature is higher than system maximum temperature threshold value, start on-board air conditioner (06).
9. electrical system according to claim 7, which is characterized in that power battery pack temperature-detecting device (03) inspection
When the observed temperature measured is between system minimum temperature threshold and system maximum temperature threshold value, the channel switching device
(04) vehicle mounted dynamic battery group is connected to the input terminal of voltage changer (05), vehicle mounted dynamic battery is made to be used for vehicle low pressure
The on-board air conditioner (06) of electric equipment, vehicle mounted dynamic battery group heating device (07), vehicular automotive electronic equipment (08) provide electric energy.
10. electrical system according to claim 8 or claim 9, which is characterized in that the system minimum temperature threshold is 0 DEG C；Institute
It is 35 DEG C to state system maximum temperature threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518621.8A CN106143187B (en) | 2016-07-04 | 2016-07-04 | A kind of electromobile with metal air battery low-voltage electric system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518621.8A CN106143187B (en) | 2016-07-04 | 2016-07-04 | A kind of electromobile with metal air battery low-voltage electric system |
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| CN106143187A CN106143187A (en) | 2016-11-23 |
| CN106143187B true CN106143187B (en) | 2018-08-21 |
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| CN112140941B (en) * | 2020-09-22 | 2022-04-12 | 中国第一汽车股份有限公司 | Vehicle mode switching method, device, equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201872629U (en) * | 2010-10-14 | 2011-06-22 | 超威电源有限公司 | Extended range type pure electric vehicle system |
| CN102616144A (en) * | 2012-04-25 | 2012-08-01 | 电子科技大学 | Method and device for controlling safe operation of electric automobile |
| CN103273853A (en) * | 2013-05-21 | 2013-09-04 | 浙江吉利汽车研究院有限公司杭州分公司 | Electric car power system |
| CN203651439U (en) * | 2013-12-04 | 2014-06-18 | 浙江吉利控股集团有限公司 | Series-parallel power system of hybrid electric vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0549110A (en) * | 1991-08-09 | 1993-02-26 | Nippondenso Co Ltd | Battery charger for electric automobile |
-
2016
- 2016-07-04 CN CN201610518621.8A patent/CN106143187B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201872629U (en) * | 2010-10-14 | 2011-06-22 | 超威电源有限公司 | Extended range type pure electric vehicle system |
| CN102616144A (en) * | 2012-04-25 | 2012-08-01 | 电子科技大学 | Method and device for controlling safe operation of electric automobile |
| CN103273853A (en) * | 2013-05-21 | 2013-09-04 | 浙江吉利汽车研究院有限公司杭州分公司 | Electric car power system |
| CN203651439U (en) * | 2013-12-04 | 2014-06-18 | 浙江吉利控股集团有限公司 | Series-parallel power system of hybrid electric vehicle |
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