CN109334475A - A kind of power energy system for electric vehicle - Google Patents
A kind of power energy system for electric vehicle Download PDFInfo
- Publication number
- CN109334475A CN109334475A CN201811197812.4A CN201811197812A CN109334475A CN 109334475 A CN109334475 A CN 109334475A CN 201811197812 A CN201811197812 A CN 201811197812A CN 109334475 A CN109334475 A CN 109334475A
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- fuel cell
- way
- converter
- circuit
- management system
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- 239000000446 fuel Substances 0.000 claims abstract description 82
- 239000003990 capacitor Substances 0.000 claims abstract description 47
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000002955 isolation Methods 0.000 claims description 24
- 239000001257 hydrogen Substances 0.000 claims description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 abstract 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC 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
- Y02T10/72—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
- Y02T90/16—Information or communication technologies improving the operation of 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
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Fuel Cell (AREA)
Abstract
The present invention provides a kind of power energy system for electric vehicle, including entire car controller, fuel cell system, auxiliary energy system and load, fuel cell system is connected by Coil wire and is loaded, auxiliary energy system includes super capacitor, power battery and two-way DC/DC converter, super capacitor and power battery are connected on Coil wire by two-way DC/DC converter, auxiliary energy system further includes the battery management system for connecting the super capacitance management system and connection power battery of super capacitor, fuel cell system includes fuel cell management system, entire car controller and fuel cell management system, super capacitance management system, battery management system and load two-way communication.It is combined by the energy of optimization, maximally utilizes each energy resource system, obtain course continuation mileage optimal, not only make each energy utilization rate optimal, can also make that complete vehicle weight reduces, space layout is optimal, energy consumption is minimum, cost is relatively low.
Description
Technical field
The present invention relates to electric vehicle engineering field more particularly to a kind of power energy systems for electric vehicle.
Background technique
Pure lithium battery electrical automobile gradually starts scale application, but it is difficult to obtain in terms of the course continuation mileage in short time
It is larger to be promoted, be also weak in terms of charging convenience, also needing to continue improvement in terms of safety.Hydrogen fuel cell electric car by
In the characteristic of hydrogen, all problems of lithium battery electrical automobile can be solved perfectly, therefore hydrogen fuel cell skill
Art is considered as the ultimate scheme that following mankind's energy crisis is solved using Hydrogen Energy and the final developing goal of electric car.
In recent years, the especially commercial applications of Toyota mira in 2018 and Honda clarity fuel cell car, hydrogen fuel cell vapour
Vehicle is further paid attention to, and each ministries and commissions of country put into effect every policy in succession and encourage greatly developing for hydrogen cell automobile, hydrogen combustion
Material battery car will obtain large development subsequent.
Current hydrogen cell automobile is usually only to play the role of increasing journey using fuel cell as supplementary energy；?
Have using fuel cell as primary energy source, but its design principle is similar to conventional fuel oil car, the stand-by power of fuel cell system
Larger, fuel cell only has lesser power output under vehicle major part operating condition；Also in order to solve stand-by power compared with
Big problem, by the utilization of 2 grades or 2 grades or more gearboxes, though this scheme can reduce to a certain extent to stand-by power
Requirement, but the principle based on the conservation of energy, there is no really solve this problem.Above scheme can all cause complete vehicle weight compared with
Greatly, space layout there are certain difficulty, the problems such as energy consumption is higher, most of waste of stand-by power.
Summary of the invention
In view of this, the embodiment provides a kind of power energy system for electric vehicle, it being capable of auxiliary fuel
Battery system provides the required energy for vehicle operation, and can reduce the weight, volume and cost of vehicle to a certain extent.
The embodiment of the present invention provides a kind of power energy system for electric vehicle, including entire car controller, fuel cell
System, auxiliary energy system and load, the fuel cell system connect the load, the supplementary energy by Coil wire
System includes super capacitor, power battery and two-way DC/DC converter, and the super capacitor and the power battery pass through described
Two-way DC/DC converter is connected on the Coil wire, and the auxiliary energy system further includes connecting the super capacitor
Super capacitance management system and the battery management system for connecting the power battery, the fuel cell system includes fuel cell
Management system, the entire car controller and the fuel cell management system, the super capacitance management system, the cell tube
Reason system and the load two-way communication.
Further, the two-way DC/DC converter includes two-way Buck/Boost converter, control circuit, isolation electricity
Road and two anti-jamming circuits, the isolation circuit keep two anti-jamming circuits mutually isolated, two anti-interference electricity
The input terminal on road is separately connected the super capacitor and the power battery, wherein the output end of an anti-jamming circuit passes through
The isolation circuit connects the two-way Buck/Boost converter, the two-way Buck/Boost converter and the main high pressure
Line connection, the two-way DC/DC converter further includes multiple current/voltage sample circuits, and current/voltage described in two of them is adopted
The output end of two anti-jamming circuits is connected to the control circuit respectively described in acquired two by sample circuit
The current/voltage signal of the output end of anti-jamming circuit reaches the control circuit, and the control circuit connection is described two-way
Buck/Boost converter to control the two-way Buck/Boost converter, the control circuit connect the isolation circuit with
The isolation circuit is set to be connected or turn off.
Further, the two-way Buck/Boost converter has Boost state and Buck state, when the control electricity
When the road control two-way Buck/Boost converter is in Boost state, the fuel cell system passes through the two-way DC/
DC converter is to the super capacitor and/or the power battery charging, when the control circuit controls the two-way Buck/
When Boost is in Buck state, the super capacitor and/or the power battery pass through the two-way DC/DC conversion
Device is the load supplying.
Further, the isolation circuit is switch, the anti-interference electricity that output end is connect with the isolation circuit
Road is connect with the power battery, and the input terminal of another anti-jamming circuit is connect with the super capacitor, output end and institute
Two-way Buck/Boost converter is stated to be directly connected to.
Further, the anti-jamming circuit includes EMC filter, rectification circuit and the filter being sequentially connected in series, described
Super capacitor and the power battery are connected with the corresponding EMC filter respectively；The two-way Buck/Boost transformation
Device is connect by another rectification circuit with the Coil wire, another electricity in multiple current/voltage sample circuits
Stream/voltage sampling circuit connects the route between the control circuit and another rectification circuit and the Coil wire.
Further, it is described load include sequentially connected electric machine controller, motor and speed changer, the Coil wire with
The electric machine controller connection, the entire car controller and the electric machine controller pass through CAN bus two-way communication.
Further, the fuel cell system includes fuel cell and the hydrogen supply connecting with fuel cell oxygen supply
System and fuel cell management system further include the fuel cell DC/DC being connect with the fuel cell by internal high pressure line
Converter and the fuel cell DC/DC controller for connecting the fuel cell DC/DC converter, the entire car controller with it is described
Fuel cell management system and the fuel cell DC/DC controller pass through CAN bus two-way communication.
The technical solution that the embodiment of the present invention provides has the benefit that of the present invention for electric vehicle dynamic
Power energy resource system, the super capacitor and the power battery are using the same two-way DC/DC converter and the main high pressure
Line connection replace in the prior art super capacitor and power battery respectively by with corresponding one two-way DC/DC converter with
Coil wire connection reduces described to reduce the quantity of component in the power energy system for electric vehicle
The cost of power energy system for electric vehicle.Meanwhile the two-way DC/DC converter is compared to existing two-way DC/DC conversion
Device has higher integrated level due to it is connected with the super capacitor and the power battery simultaneously and realizes corresponding function,
Meet the development trend of electronic product.
Detailed description of the invention
Fig. 1 is the overall schematic of present invention power energy system for electric vehicle；
Fig. 2 is the two-way DC/DC converter schematic diagram of present invention power energy system for electric vehicle；
Fig. 3 is the schematic diagram of two-way Buck/Boost converter.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is further described.
Referring to FIG. 1, being mentioned the embodiment provides a kind of power energy system for electric vehicle for electric car
For energy source and power, comprising: entire car controller 3, fuel cell system 1, auxiliary energy system 2 and load, the entire car controller 3
It is connect by CAN bus and the full-vehicle control with the fuel cell system 1, the auxiliary energy system 2 and the load
Device 3 and the fuel cell system 1, the auxiliary energy system 2 and the load pass through the CAN bus two-way communication.
The fuel cell system 1 includes fuel cell 11 and the hydrogen supply oxygen system connecting with the fuel cell 11
13 and fuel cell management system 14, it further include the fuel cell DC/ being connect with the fuel cell 11 by internal high pressure line
DC converter 12 and the fuel cell DC/DC controller 15 for connecting the fuel cell DC/DC converter 12, the full-vehicle control
Device 3 and the fuel cell management system 14 and the fuel cell DC/DC controller 15 is connect by CAN bus and two-way
Letter.
The entire car controller 3 controls the fuel cell DC/ by controlling the fuel cell DC/DC controller 15
DC converter 12 is to the adjustment effect of the output power of the fuel cell 11, and the entire car controller 3 is by controlling the combustion
Battery management system 14 is expected to manage the fuel cell 11.Meanwhile the fuel cell management system 14 and the fuel are electric
The related data of the fuel cell 11 and the fuel cell DC/DC converter 12 that pond DC/DC controller 15 is acquired
The entire car controller 3 is fed back to by the CAN bus.
The fuel cell system 1 is connect by the fuel cell DC/DC converter 12 with the connection of Coil wire
The load, the auxiliary energy system 2 includes super capacitor 23, power battery 22 and two-way DC/DC converter 21, described super
Grade capacitor 23 and the power battery 22 are connected on the Coil wire by the same two-way DC/DC converter 21.
Referring to FIG. 2, two-way DC/DC converter 21 of the present invention have an output end and two input terminals with
Existing two-way DC/DC converter is different, and there are two input terminal and one are defeated for the two-way tool of DC/DC converter 21 of the present invention
Outlet, and there is higher integrated level due to more functions, specifically；The two-way DC/DC converter 21 includes double
To Buck/Boost converter 215, control circuit 216, isolation circuit 218 and two anti-jamming circuits.The two-way Buck/
Boost 215 has the first I/O interface, the 2nd I/O interface and control interface, the first I/O interface and described second
I/O interface input interface and output interface each other.Each anti-jamming circuit includes the EMC filter 211 being sequentially connected in series, whole
Current circuit 212 and filter 213, the super capacitor 23 connects the EMC filter 211 on an anti-jamming circuit, described
Power battery 22 connects the EMC filter 211 on another anti-jamming circuit.Preferably, with the super capacitor 23
The upper filter 213 of the anti-jamming circuit of connection is directly connected to the first I/O interface, connects with the power battery 22
The upper filter 213 of the anti-jamming circuit connect connects the first I/O interface by the isolation circuit 218, it may be assumed that its
In the input terminal of an anti-jamming circuit connect the super capacitor 23, output end is directly connected to the first I/O interface,
The input terminal of another anti-jamming circuit connects the power battery 22, and output end is connected by the isolation circuit 218
The first I/O interface.The 2nd I/O interface connects the Coil wire, the isolation electricity by another rectification circuit 217
The effect on road 218 is that two super capacitors 23 and power battery 22 is made to be mutually isolated, not interfere with each other.It is existing all to make
Two anti-jamming circuits can be mutually isolated, non-interfering circuit or electronic component all can be it is of the present invention every
From circuit 218, such as switching circuit, switch, triode, transistor.
It is described to DC/DC converter 21 further include three current/voltage sample circuits 214, wherein two current/voltages
Sample circuit 214 be separately connected two anti-jamming circuits output end and the control circuit 216, two acquired
The current/voltage signal of the output end of the anti-jamming circuit reaches the control circuit 216, a remaining current/voltage
Sample circuit 214 connects the route between the control circuit 216 and another rectification circuit 217 and the Coil wire,
Current/voltage signal on the route between another rectification circuit 217 acquired and the Coil wire passes
To the control circuit 216.The control circuit 216 connects the control interface to control the two-way Buck/Boost transformation
The state of device 215, the control circuit 216 connects the isolation circuit 218 so that isolation circuit conducting or shutdown.
The schematic diagram of the two-way Buck/Boost converter 215 is as shown in figure 3, the two-way Buck/Boost converter
215 have Boost state and Buck state, when the control circuit 216 controls at the two-way Buck/Boost converter 215
When Boost state, switch S1 is disconnected, and switch S2 conducting, at this moment, the fuel cell system 1 is to energy-storage travelling wave tube L (super electricity
Appearance 23 and/or power battery 22) it charges, at this point, when the control circuit 216 controls the isolation circuit 218 conducting,
Then the fuel cell system 1 simultaneously charges to the super capacitor 23 and the power battery 22, when the control circuit 216
When controlling the isolation circuit 218 shutdown, then the fuel cell system 1 only charges to the super capacitor 23.Work as institute
When stating control circuit 216 and controlling the two-way Buck/Boost converter 215 and be in Buck state, switch S2 is disconnected, switch S1
Conducting, at this moment externally electric discharge is i.e. to load supplying for the energy-storage travelling wave tube L (super capacitor 23 and/or power battery 22), at this point, working as
When the control circuit 216 controls the isolation circuit 218 conducting, then the super capacitor in the auxiliary energy system 2
23 and the power battery 22 simultaneously to load supplying, when the control circuit 216 controls the isolation circuit 218 shutdown,
The super capacitor 23 is then had in the auxiliary energy system 2 only to load supplying.
Referring to FIG. 1, the auxiliary energy system 2 further includes the super capacitance management system for connecting the super capacitor 23
25 and the battery management system 24 of the power battery 22 is connected, the entire car controller 3 and the fuel cell management system
14, the super capacitance management system 25, the battery management system 24 and the load two-way communication.
The load includes sequentially connected electric machine controller 41, motor 42 and speed changer 43, the Coil wire and institute
The connection of electric machine controller 41 is stated, the entire car controller 3 passes through CAN bus two-way communication with the electric machine controller 41.It is described
Entire car controller 3 is used to control the operation of the corresponding operating condition of vehicle by the electric machine controller 41.Motor of the present invention
42 be direct current generator.
The entire car controller 3 passes through the fuel cell management system 14, super capacitance management system 25, described
Battery management system 24 and the electric machine controller 41 etc. understand the operating condition of vehicle, then according to environmental factor or human factor
By the entire car controller 3 to the fuel cell management system 14, the super capacitance management system 25, the cell tube
The transmissions orders such as reason system 24 and the electric machine controller 41, to adjust the fuel cell 11, super capacitor 23, described
The operating condition of power battery 22 and the motor 42 etc., makes vehicle meet service requirement.
Fuel cell system 1 of the present invention can provide continual and steady power output, but the starting of fuel cell
It needs supplementary energy to provide, while being to avoid 11 stand-by power of fuel cell excessive, cause complete vehicle weight, volume, cost excessively high,
Supplementary energy very it is necessary to；Super capacitor 23 in auxiliary energy system 2 of the present invention can provide of short duration for vehicle
High-power output, but its energy density is lower, only using super capacitor 23 as accessory power supply, needs biggish super capacitor 23
It supports, causes that cost is excessively high, it is larger to require arrangement space；Power battery in auxiliary energy system 2 of the present invention
22 be effective supplement of 23 scarce capacity of super capacitor, and the perfection of power-type and energy type is collectively constituted with the super capacitor 23
Combination can reduce the super capacitor 23 to meet the various duty requirements of vehicle, and because cooperating with the super capacitor 23
Quantity, so as to effectively control the weight, volume and cost of vehicle.
Fuel cell system 1 of the present invention is primary energy source, can be continually and steadily operated alone when driving in vehicle
Vehicle driving.Auxiliary energy system 2 of the present invention is auxiliary energy source, and in vehicle launch, output power is described to start
Fuel cell system 1 accelerates in vehicle, overtakes other vehicles, climbs etc. to provide peak power requirements when needing to export excess power；In vehicle
Demand power is travelled than the 11 power hour of fuel cell, the fuel cell 11 can be the super capacitor 23 and/or institute
State the charging of power battery 22；It is super by energy type dynamic lithium battery (power battery 22) and power-type in vehicle deceleration, braking
Grade capacitor 23, recycles kinetic energy to greatest extent.
In auxiliary energy system 2 of the present invention, super electricity described in two-way 21 integrated treatment of DC/DC converter
The energy for holding 23 and 22 two kinds of the power battery different chemical characteristics, to obtain relatively stable DC voltage；Pass through institute
Stating two-way DC/DC converter 21 can be such that the super capacitor 23 and the power battery 22 is mutually isolated, independently work or
It works at the same time, but does not interact.
Herein, the nouns of locality such as related front, rear, top, and bottom are to be located in figure with components in attached drawing and zero
Part mutual position defines, only for the purpose of expressing the technical solution clearly and conveniently.It should be appreciated that the noun of locality
Use should not limit the claimed range of the application.
In the absence of conflict, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
Super capacitor 23 and power battery 22 of the present invention include all power-types and energy type can charge and discharge electric energy
Source is not limited in its kind.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of power energy system for electric vehicle, it is characterised in that: including entire car controller, fuel cell system, auxiliary
Energy resource system and load, the fuel cell system connect the load by Coil wire, and the auxiliary energy system includes
Super capacitor, power battery and two-way DC/DC converter, the super capacitor and the power battery pass through the two-way DC/
DC converter is connected on the Coil wire, and the auxiliary energy system further includes the super capacitor for connecting the super capacitor
Management system and the battery management system for connecting the power battery, the fuel cell system includes fuel cell management system
System, the entire car controller and the fuel cell management system, the super capacitance management system, the battery management system
With the load two-way communication.
2. power energy system for electric vehicle as described in claim 1, it is characterised in that: the two-way DC/DC converter
Make two including two-way Buck/Boost converter, control circuit, isolation circuit and two anti-jamming circuits, the isolation circuit
The anti-jamming circuit is mutually isolated, and the input terminal of two anti-jamming circuits is separately connected the super capacitor and described dynamic
Power battery converts wherein the output end of an anti-jamming circuit connects the two-way Buck/Boost by the isolation circuit
Device, the two-way Buck/Boost converter are connect with the Coil wire, and the two-way DC/DC converter further includes multiple electricity
Stream/voltage sampling circuit, current/voltage sample circuit described in two of them is respectively by the output end of two anti-jamming circuits
It is connected to the control circuit and institute is reached with the current/voltage signal of the output end of two anti-jamming circuits acquired
Control circuit is stated, the control circuit connects the two-way Buck/Boost converter to control the two-way Buck/Boost and become
Parallel operation, the control circuit connects the isolation circuit so that isolation circuit conducting or shutdown.
3. power energy system for electric vehicle as claimed in claim 2, it is characterised in that: the two-way Buck/Boost becomes
Parallel operation has Boost state and Buck state, is in when the control circuit controls the two-way Buck/Boost converter
When Boost state, the fuel cell system is by the two-way DC/DC converter to the super capacitor and/or described dynamic
The charging of power battery, it is described super when the control circuit, which controls the two-way Buck/Boost converter, is in Buck state
It is the load supplying that capacitor and/or the power battery, which pass through the two-way DC/DC converter,.
4. power energy system for electric vehicle as claimed in claim 2, it is characterised in that: the isolation circuit is switch,
The anti-jamming circuit that its output end is connect with the isolation circuit is connect with the power battery, another anti-interference electricity
The input terminal on road is connect with the super capacitor, and output end is directly connected to the two-way Buck/Boost converter.
5. power energy system for electric vehicle as claimed in claim 2, it is characterised in that: the anti-jamming circuit include according to
Secondary concatenated EMC filter, rectification circuit and filter, the super capacitor and the power battery respectively with it is corresponding described
EMC filter connection；The two-way Buck/Boost converter is connect by another rectification circuit with the Coil wire, more
Another current/voltage sample circuit in a current/voltage sample circuit connects the control circuit and described another
Route between one rectification circuit and the Coil wire.
6. power energy system for electric vehicle as described in claim 1, it is characterised in that: the load includes being sequentially connected
Electric machine controller, motor and speed changer, the Coil wire connect with the electric machine controller, the entire car controller and institute
It states electric machine controller and passes through CAN bus two-way communication.
7. power energy system for electric vehicle as described in claim 1, it is characterised in that: the fuel cell system includes
Fuel cell and the hydrogen supply oxygen system and fuel cell management system connecting with the fuel cell further include and the combustion
The fuel cell DC/DC converter and connect the fuel cell DC/DC converter that material battery is connected by internal high pressure line
Fuel cell DC/DC controller, the entire car controller and the fuel cell management system and the fuel cell DC/DC are controlled
Device processed passes through CAN bus two-way communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811197812.4A CN109334475B (en) | 2018-10-15 | 2018-10-15 | Power energy system for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811197812.4A CN109334475B (en) | 2018-10-15 | 2018-10-15 | Power energy system for electric automobile |
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| CN109334475A true CN109334475A (en) | 2019-02-15 |
| CN109334475B CN109334475B (en) | 2023-12-15 |
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| CN201811197812.4A Active CN109334475B (en) | 2018-10-15 | 2018-10-15 | Power energy system for electric automobile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103733A (en) * | 2019-04-01 | 2019-08-09 | 武汉格罗夫氢能汽车有限公司 | A kind of Hydrogen Fuel-cell Vehicles auxiliary energy system |
| CN111319515A (en) * | 2020-03-25 | 2020-06-23 | 武汉格罗夫氢能汽车有限公司 | Control system and method for starting hydrogen energy automobile in low-temperature environment |
| CN113370804A (en) * | 2021-07-23 | 2021-09-10 | 矩阵汽车有限公司 | Mid-motor power system architecture of range-extended electric vehicle and range-extended electric vehicle |
| CN113561802A (en) * | 2021-09-22 | 2021-10-29 | 北京亿华通科技股份有限公司 | Operation auxiliary device of vehicle-mounted fuel cell and control method thereof |
| CN113675434A (en) * | 2021-08-10 | 2021-11-19 | 江苏兴邦能源科技有限公司 | Fuel cell energy management system of hydrogen energy automobile |
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