CN110014883A - A kind of vehicle, hybrid power system and its power supply unit - Google Patents
A kind of vehicle, hybrid power system and its power supply unit Download PDFInfo
- Publication number
- CN110014883A CN110014883A CN201711421952.0A CN201711421952A CN110014883A CN 110014883 A CN110014883 A CN 110014883A CN 201711421952 A CN201711421952 A CN 201711421952A CN 110014883 A CN110014883 A CN 110014883A
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- module
- converter
- fuel cell
- supply unit
- power system
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- 239000000446 fuel Substances 0.000 claims abstract description 64
- 238000001514 detection method Methods 0.000 claims description 15
- 238000005183 dynamical system Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000002485 combustion reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- 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
- B60L58/40—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
-
- 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/14—Boost converters
-
- 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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The present invention provides a kind of vehicle, hybrid power system and its power supply unit, including fuel cell module and power battery module, fuel cell module is by DC/DC converter for connecting electric machine controller；Fuel cell module passes through the both ends of first switch module, second switch module connection DC/DC converter respectively.Power battery module output voltage can be compared judgement with voltage set by DC/DC converter input terminal by power supply unit used in the present invention, and then control closure/disconnection of first switch module, second switch module, realize the stabilization of system, and the multiplexing of DC/DC converter, improve the utilization rate of fuel cell power system efficiency and DC/DC converter converter, it reduces costs, is conducive to the popularization and application of fuel cell hybrid vehicle.
Description
Technical field
The invention belongs to fuel cell car technical fields, and in particular to a kind of vehicle, hybrid power system and its power supply
Unit.
Background technique
In recent years, environmental pollution is getting worse.The problems such as in order to cope with global energy shortage and environmental pollution, starts
It is energy automobile that promotion, which is greatly developed, and sight has been shipped on the fuel-cell vehicle of zero-emission by more and more people.
The dynamical system of fuel cell car is that fuel cell car is different from other types vehicle (including I. C. engine steam
Vehicle, battery electric vehicle and oil-electricity mixed power automobile) outstanding feature.And under normal conditions, the dynamic of fuel cell
Characteristic is difficult to meet the frequent variation of vehicle load, therefore fuel cell is not the unique power source of the system, is generally required
The power source of auxiliary is supplemented and is improved to it in terms of power output, to constitute fuel cell hybrid system
System, these auxiliary power units include battery and super capacitor.
The patent document that authorization publication No. is CN100404306C discloses a kind of fuel battery passenger car dynamical system, such as schemes
Shown in 1, which includes battery group and fuel cell pile, and fuel cell pile is connected by unidirectional DC/DC converter
Electric machine controller is connect, battery group is directly connected to electric machine controller.In the structure, battery group is directly connected to electric machine controller,
Not by having the DC/DC converter of burning voltage effect, it may cause control and system be unstable.
Summary of the invention
The purpose of the present invention is to provide a kind of vehicle, hybrid power system and its power supply units, to solve existing skill
Unstable problem is controlled in art caused by hybrid power system.
In order to solve the above technical problems, the technical solution of the present invention is as follows:
The present invention provides a kind of power supply units of hybrid power system, including following power supply unit scheme:
Power supply unit scheme one, including fuel cell module and power battery module, fuel cell module are become by DC/DC
Parallel operation is for connecting electric machine controller；
Fuel cell module passes through the both ends of first switch module, second switch module connection DC/DC converter respectively.
Power supply unit scheme two further includes control module and for detecting DC/DC on the basis of power supply unit scheme one
The voltage detection module of converter both end voltage, control module connect the voltage detection module, and control connection described first is opened
Close module and second switch module.
Power supply unit scheme three, on the basis of power supply unit scheme one, the DC/DC converter is unidirectional DC/DC change
Parallel operation.
Power supply unit scheme four, on the basis of power supply unit scheme one, the DC/DC converter is that boosting DC/DC becomes
Parallel operation.
The present invention also provides a kind of hybrid power systems, including following system schema:
System schema one, power supply unit, electric machine controller and driving motor including hybrid power system, the mixing are dynamic
The power supply unit of Force system connects the driving motor for being electrically connected the electric machine controller, electric machine controller control, and mixing is dynamic
The power supply unit of Force system includes fuel cell module and power battery module, and fuel cell module is used by DC/DC converter
In connection electric machine controller；
Fuel cell module passes through the both ends of first switch module, second switch module connection DC/DC converter respectively.
System schema two further includes control module and for detecting DC/DC converter two on the basis of system schema one
Hold the voltage detection module of voltage, control module connects the voltage detection module, control connect the first switch module and
Second switch module.
System schema three, on the basis of system schema one, the DC/DC converter is unidirectional DC/DC converter.
System schema four, on the basis of system schema one, the DC/DC converter is boosting DC/DC converter.
The present invention also provides a kind of vehicles, including following vehicle scheme:
Vehicle scheme one, including hybrid power system, the hybrid power system include the power supply list of hybrid power system
Member, electric machine controller and driving motor, the power supply unit of the hybrid power system is for being electrically connected the electric machine controller, motor
Controller control connects the driving motor, and the power supply unit of hybrid power system includes fuel cell module and power battery mould
Block, fuel cell module is by DC/DC converter for connecting electric machine controller；
Fuel cell module passes through the both ends of first switch module, second switch module connection DC/DC converter respectively.
Vehicle scheme two further includes control module and for detecting DC/DC converter two on the basis of vehicle scheme one
Hold the voltage detection module of voltage, control module connects the voltage detection module, control connect the first switch module and
Second switch module.
Vehicle scheme three, on the basis of vehicle scheme two, the control module is entire car controller.
Vehicle scheme four, on the basis of vehicle scheme one, the DC/DC converter is unidirectional DC/DC converter.
Vehicle scheme five, on the basis of vehicle scheme one, the DC/DC converter is boosting DC/DC converter.
Beneficial effects of the present invention:
The power supply unit of hybrid power system of the invention, including fuel cell module and power battery module, fuel electricity
Pond module connects electric machine controller by DC/DC converter, and power battery module passes through first switch module, second switch respectively
The both ends of module connection DC/DC converter.
The power supply unit can by voltage set by power battery module output voltage and DC/DC converter input terminal into
Row multilevel iudge controls closure/disconnection of first switch module, second switch module according to DC/DC converter both end voltage:
When judging that power battery module both end voltage is lower than the input terminal voltage of DC/DC converter, control first switch module closure,
It controls second switch module to disconnect, so that power battery module is powered by DC/DC converter boost to vehicle；?
When judging that power battery module both end voltage is optionally greater than the input terminal voltage of DC/DC converter, control second switch module is closed
It closes, control first switch module disconnects, and power battery module is powered directly to vehicle.
The control of the power supply unit is more flexible and stablizes, moreover, realizing the multiplexing of DC/DC converter, improves
The utilization rate of fuel cell power system efficiency and DC/DC converter converter, reduces costs, and is conducive to fuel cell mixing
The popularization and application of Powertrain Vehicle.
Vehicle of the invention, hybrid power system, using above-mentioned introduction hybrid power system power supply unit to vehicle
Power supply, high conversion efficiency, system stability are high.
Detailed description of the invention
Fig. 1 is the mixed power system structure figure of the prior art；
Fig. 2 is mixed power system structure figure of the invention.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, to the present invention
It is described in further detail.
The present invention provides a kind of vehicles, are a kind of hybrid vehicles, and the power supply unit of the hybrid vehicle includes
Fuel cell module and power battery module, fuel cell module can be hydrogen fuel cell.The hybrid vehicle can basis
The remaining state-of-charge of fuel cell residual fuel situation and power battery is controlled by fuel cell module or power electric
Pond module powering load or two kinds while powering load.
The hybrid power system of the hybrid vehicle is as shown in Figure 2.
Fuel cell module connects DC bus by DC/DC converter, and DC bus is controlled by electric machine controller to be connected
Connect driving motor.DC/DC converter is unidirectional DC/DC converter, ensure that fuel cell module exports a stable output
Power, it is ensured that system is in efficient operation interval.
Power battery module is also connected on the DC bus.Define DC/DC converter is connected with fuel cell one
End is the input terminal of DC/DC converter.The input terminal of DC/DC converter passes through first switch A connection power battery module, power
Battery also passes through the output end of second switch B connection DC/DC converter.
The fuel cell hybrid system is also mating to be provided with controller and for detecting DC/DC converter both ends electricity
The voltage detection module of pressure, which is used to carry out coordinated control to entire hybrid power system, to realize different functions.
Such as: to various electric parameters, control bus voltage, the control power electric in the control of DC/DC converter, acquisition dynamical system
Cell voltage, the open and-shut mode for controlling fuel cell module etc..The feelings for the voltage that the controller is acquired according to voltage detection module
Condition controls the cut-off/close of first switch A and second switch B, to realize that the fuel cell system may operate in different works
Make module.The controller can be the controller being separately provided, and be also possible to entire car controller.
The fuel cell power system may operate in three kinds of operating modes.The first is pure electric mode, second
Kind is pure fuel work mode, the third is hybrid mode.
Pure electric mode, i.e. fuel cell module do not work, and are only powered by power battery module to vehicle.It is controlling
Fuel cell module is in the case where output power, will be set by power battery module output voltage and DC/DC converter input terminal
Fixed voltage is compared:
When power battery module output voltage is optionally greater than voltage set by DC/DC converter input terminal, second is opened
B closure is closed, first switch A is disconnected, and electrokinetic cell system provides stable voltage directly to motor；
When power battery module output voltage is lower than voltage set by DC/DC converter input terminal, first switch A is closed
It closes, second switch B is disconnected, and voltage is risen to output end voltage value, mentioned to motor by power battery module by DC/DC converter
For stable voltage, the efficiency of motor is also further improved.
Pure operation of fuel cells mode, i.e. power battery module do not work, and are only powered by fuel cell module to vehicle.This
When, when the power requirement of electric machine controller is lower, only powered by fuel cell module, and fuel cell module is defeated
Have in the case where having more than needed out, DC/ can be passed through by closure second switch B, disconnection first switch A, Lai Shixian fuel cell module
DC converter charges to power battery module.In the voltage class of fuel cell module and the voltage class phase of power battery module
Meanwhile it can be filled simultaneously to power battery module by closure first switch A, disconnection second switch B, Lai Shixian fuel cell module
Electricity.
Hybrid mode, i.e. fuel cell module and power battery module work at the same time.Fuel cell module is as master
Power source is powered by DC/DC converter to vehicle, by electric machine controller driving vehicle operation, provides average function needed for vehicle
Rate.It can be realized by closure second switch B, disconnection first switch A；In the voltage class and power battery of fuel cell module
When the voltage class of module is identical, fuel cell module can be realized by closure second switch A, disconnection second switch B and is moved
Power battery module is all powered by DC/DC converter to vehicle.At this point, power battery module is as auxiliary power source, mainly
Play the role of peak regulation, increase-volume, recover energy, by controlling DC/DC converter output terminal voltage, adjusts power battery charging
The SOC upper limit, it is ensured that power battery has enough space storage feedback energies.
When vehicle starting, accelerating, going up a slope, motor demand power increases, and is operable under hybrid mode at this time, fires
Expect that battery module and power battery module provide electric energy to motor, to meet the instantaneous significant power demand of motor.
When vehicle deceleration, descending, motor demand power is reduced, and can recycle fuel cell module by power battery module
The braking energy that electric energy more than needed or motor control transmit.
Wherein, which is unidirectional DC/DC converter, also prevents braking and feedback energy is returned to fuel
Battery module.Because brake or slide feedback current it is excessive when, may cause fuel cell service life reduce.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of power supply unit of hybrid power system, which is characterized in that including fuel cell module and power battery module, combustion
Material battery module is by DC/DC converter for connecting electric machine controller；
Fuel cell module passes through the both ends of first switch module, second switch module connection DC/DC converter respectively.
2. the power supply unit of hybrid power system according to claim 1, which is characterized in that further include control module and use
In the voltage detection module of detection DC/DC converter both end voltage, control module connects the voltage detection module, control connection
The first switch module and second switch module.
3. the power supply unit of hybrid power system according to claim 1, which is characterized in that the DC/DC converter is
Unidirectional DC/DC converter.
4. the power supply unit of hybrid power system according to claim 1, which is characterized in that the DC/DC converter is
Boost DC/DC converter.
5. a kind of hybrid power system, power supply unit, electric machine controller and driving motor including hybrid power system are described mixed
The power supply unit for closing dynamical system connects the driving motor for being electrically connected the electric machine controller, electric machine controller control,
It is characterized in that, the power supply unit of hybrid power system includes fuel cell module and power battery module, and fuel cell module is logical
DC/DC converter is crossed for connecting electric machine controller；
Fuel cell module passes through the both ends of first switch module, second switch module connection DC/DC converter respectively.
6. hybrid power system according to claim 5, which is characterized in that further include control module and for detecting DC/
The voltage detection module of DC converter both end voltage, control module connect the voltage detection module, control connection described first
Switch module and second switch module.
7. hybrid power system according to claim 5, which is characterized in that the DC/DC converter is unidirectional DC/DC change
Parallel operation.
8. hybrid power system according to claim 5, which is characterized in that the DC/DC converter is that boosting DC/DC becomes
Parallel operation.
9. a kind of vehicle, including hybrid power system, the hybrid power system includes the power supply unit of hybrid power system, electricity
Machine controller and driving motor, the power supply unit of the hybrid power system is for being electrically connected the electric machine controller, motor control
Device control connects the driving motor, which is characterized in that the power supply unit of hybrid power system includes fuel cell module and moves
Power battery module, fuel cell module is by DC/DC converter for connecting electric machine controller；
Fuel cell module passes through the both ends of first switch module, second switch module connection DC/DC converter respectively.
10. vehicle according to claim 9, which is characterized in that further include control module and for detecting DC/DC converter
The voltage detection module of both end voltage, control module connect the voltage detection module, and control connects the first switch module
With second switch module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421952.0A CN110014883A (en) | 2017-12-25 | 2017-12-25 | A kind of vehicle, hybrid power system and its power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711421952.0A CN110014883A (en) | 2017-12-25 | 2017-12-25 | A kind of vehicle, hybrid power system and its power supply unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110014883A true CN110014883A (en) | 2019-07-16 |
Family
ID=67187132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711421952.0A Pending CN110014883A (en) | 2017-12-25 | 2017-12-25 | A kind of vehicle, hybrid power system and its power supply unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN110014883A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297944A (en) * | 2019-07-29 | 2021-02-02 | 比亚迪股份有限公司 | Vehicle, power battery system of vehicle and control method of power battery system |
| CN113306456A (en) * | 2021-06-01 | 2021-08-27 | 东风柳州汽车有限公司 | Power distribution control method and device for hydrogen fuel cargo van type medical vehicle |
| CN113320404A (en) * | 2021-07-01 | 2021-08-31 | 上海恒劲动力科技有限公司 | Fuel cell system based on hybrid power and setting method |
| CN113525106A (en) * | 2020-04-13 | 2021-10-22 | 广州汽车集团股份有限公司 | DC/DC converter and control method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297944A (en) * | 2019-07-29 | 2021-02-02 | 比亚迪股份有限公司 | Vehicle, power battery system of vehicle and control method of power battery system |
| CN112297944B (en) * | 2019-07-29 | 2022-07-15 | 比亚迪股份有限公司 | Vehicle, power battery system of vehicle and control method of power battery system |
| CN113525106A (en) * | 2020-04-13 | 2021-10-22 | 广州汽车集团股份有限公司 | DC/DC converter and control method thereof |
| CN113525106B (en) * | 2020-04-13 | 2023-11-17 | 广州汽车集团股份有限公司 | DC/DC converter and control method thereof |
| CN113306456A (en) * | 2021-06-01 | 2021-08-27 | 东风柳州汽车有限公司 | Power distribution control method and device for hydrogen fuel cargo van type medical vehicle |
| CN113306456B (en) * | 2021-06-01 | 2023-01-06 | 东风柳州汽车有限公司 | Power distribution control method and device for hydrogen fuel cargo van type medical vehicle |
| CN113320404A (en) * | 2021-07-01 | 2021-08-31 | 上海恒劲动力科技有限公司 | Fuel cell system based on hybrid power and setting method |
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