CN108162781A - Dynamical system based on new-energy automobile - Google Patents

Dynamical system based on new-energy automobile Download PDF

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Publication number
CN108162781A
CN108162781A CN201711461861.XA CN201711461861A CN108162781A CN 108162781 A CN108162781 A CN 108162781A CN 201711461861 A CN201711461861 A CN 201711461861A CN 108162781 A CN108162781 A CN 108162781A
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China
Prior art keywords
cell
current
control module
dynamical
lithium battery
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Pending
Application number
CN201711461861.XA
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Chinese (zh)
Inventor
戴建文
王金霞
尹锦霞
徐伟强
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Beijing University Of Aeronautics And Astronautics Dongguan
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Beijing University Of Aeronautics And Astronautics Dongguan
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Priority to CN201711461861.XA priority Critical patent/CN108162781A/en
Publication of CN108162781A publication Critical patent/CN108162781A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L2240/00Control parameters of input or output; Target parameters
    • B60L2240/40Drive Train control parameters
    • B60L2240/54Drive Train control parameters related to batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The invention discloses a kind of dynamical system based on new-energy automobile, suitable for promoting the dynamic efficiency of new-energy automobile.The dynamical system includes entire car controller, the first cell apparatus and the second cell apparatus, and entire car controller receives a power demand signal;First cell apparatus and the second cell apparatus are connected in parallel, and the first cell apparatus and the second cell apparatus connect entire car controller respectively, and the first cell apparatus and the second cell apparatus connect a motor jointly;First cell apparatus exports a driving current and a charging current, the rotation of driving current driving motor respectively according to the residual electric quantity of power demand signal and the second cell apparatus, and charging current charges to the second cell apparatus;Second cell apparatus is according to one compensation electric current of power demand signal output, the driving motor rotation of compensation electric current coordinated drive electric current;The power output efficiency of the dynamical system based on new-energy automobile of the present invention is high, power output is stable and battery life is long.

Description

Dynamical system based on new-energy automobile
Technical field
The present invention relates to technical field of new energy more particularly to a kind of dynamical systems based on new-energy automobile.
Background technology
With the aggravation of global environmental pollution and energy crisis, new-energy automobile receives the extensive of countries in the world in recent years Concern, also achieves significant progress.The hydrogen fuel cell electric vehicle of " ultimate energy source of car scheme " is especially regarded as, by In having many advantages, such as that zero-emission, pollution-free, course continuation mileage is long, has been a concern.Meanwhile to make up the electronic vapour of hydrogen fuel cell The shortcomings that vehicle starts low-response, output characteristics is weak, fuel cell car generally can also be equipped with power-type or power-energy is taken into account Type lithium battery is as auxiliary power source.Using fuel cell and lithium battery as the electric vehicle of the first and second power sources, On vehicle energy management and control, need to make different distribution according to different driving road conditions and power information.
At present, both controls of fuel battery power passive control system and fuel battery power quota output control system System processed is relatively conventional.The fuel cell output power of fuel battery power passive control system is completely according to the change of vehicle load Change to export.Meanwhile both fuel cell and lithium battery then change according to load, distribute respective energy output automatically.And it fires Material power of battery quota output control system is on the basis of fuel battery power passively follows load to change, and is increased to fuel The limitation of cell output value so that fuel cell output power only fluctuates in setting range.
However, the fuel battery power passive control system of the prior art fuel cell and lithium battery energy are not made it is any Therefore control, in the case where vehicle carries the larger operating mode of changed power, can cause fuel cell and lithium battery hydraulic performance decline or even object Reason loss;And the fuel battery power quota output control of the prior art needs to be equipped with the lithium battery of bigger transient power and capacity As energy supplement, this undoubtedly increases integral vehicle cost, is also unfavorable for complete vehicle structure space layout.
Therefore, there is an urgent need for a kind of power output efficiency height, power output stabilization and battery life length based on new-energy automobile Dynamical system.
Invention content
The purpose of the present invention is to provide a kind of power output efficiency is high, power output is stable and battery life length based on The dynamical system of new-energy automobile.
To achieve the above object, the present invention provides a kind of dynamical system based on new-energy automobile, suitable for described in promotion The dynamic efficiency of new-energy automobile, the dynamical system include entire car controller, the first cell apparatus and the second cell apparatus, institute It states entire car controller and receives a power demand signal;First cell apparatus and second cell apparatus are connected in parallel, institute It states the first cell apparatus and second cell apparatus connects the entire car controller, first cell apparatus and described respectively Two cell apparatus connect a motor jointly;First cell apparatus is according to the power demand signal and second cell apparatus Residual electric quantity export a driving current and a charging current respectively, the driving current drives the motor rotation, described Charging current charges to second cell apparatus;Second cell apparatus is according to one compensation of power demand signal output Electric current, the compensation electric current cooperate with the driving current to drive the motor rotation.
Compared with prior art, the entire car controller of the dynamical system of the invention based on new-energy automobile is needed according to power Signal is asked to control the first cell apparatus and the second cell apparatus, the drive of the first cell apparatus difference output driving motor rotation respectively Streaming current and the charging current for the charging of the second cell apparatus.When the maximum drive current of the first cell apparatus output is unsatisfactory for work( During the maximum power of the motor under rate desired signal, the second cell apparatus output compensation electric current is driven jointly with coordinated drive electric current Motor rotates, and to meet the maximum power of the motor under power demand signal, the first cell apparatus is avoided to be needed because of different power It seeks signal and frequent start-stop, reduces power output waste, effectively improve power output efficiency;Due to the second cell apparatus Compensate the drive that electric current just intervenes motor when the first cell apparatus cannot meet the maximum power of the motor under power demand signal It is dynamic, the second cell apparatus continuous work is avoided, effectively extends the service life of the second cell apparatus;Vehicle control unit controls are effective With reference to power demand signal and the residual electric quantity of the second cell apparatus the first cell apparatus to be controlled to export charging current, protecting It demonstrate,proves when the first cell apparatus meets the maximum power of motor under power demand signal and just exports charging current, further ensure The output of power, and the first cell apparatus is that just output charging is electric when the residual electric quantity of the second cell apparatus is less than certain value Stream, the first cell apparatus exports different size of charging current according to the remaining capacity of the second cell apparatus, effectively prevent the Two cell apparatus are overcharged and because the residual electric quantity of the second cell apparatus are too high to carry out the system of new-energy automobile Energy recycles.
Preferably, first cell apparatus includes fuel cell, the fuel cell is according to the power demand signal And the residual electric quantity exports the driving current and the charging current respectively.
Preferably, first cell apparatus further includes the first control module, first control module connects described respectively Fuel cell, the entire car controller and second cell apparatus, first control module are believed according to the power demand Number and the residual electric quantity fuel cell is controlled to export the driving current and the charging current respectively.
Preferably, second cell apparatus includes lithium battery, the lithium battery is connected in parallel with the fuel cell, institute It states lithium battery and exports the compensation electric current according to the power demand signal;The lithium battery connects according to the power demand signal Receive the charging current.
Preferably, second cell apparatus further includes the second control module, second control module connects described respectively Lithium battery, first control module and the entire car controller, second control module monitor the lithium battery in real time The residual electric quantity is simultaneously sent to first control module;Second control module is according to the power demand signal control It makes the lithium battery and exports the compensation electric current;Second control module controls the lithium electricity according to the power demand signal Pond receives the charging current.
Preferably, second control module is BMS modules, the BMS modules monitor the voltage of the lithium battery in real time Value, current value and temperature value, the BMS modules control the lithium according to the voltage value, current value and temperature value of the lithium battery The charging and power supply of battery.
Preferably, the dynamical system further includes modular converter, the modular converter connects the fuel cell, described respectively Lithium battery and the motor, the modular converter by the predetermined current of the fuel cell be respectively converted into the driving current and The predetermined current of the lithium battery is converted to the compensation electric current by the charging current, the modular converter.
Preferably, the modular converter is unidirectional current converter.
Preferably, the dynamical system further includes third control module, the third control module connects the vehicle respectively Controller and the motor, the third control module control the motor according to the power demand signal.
Preferably, the entire car controller respectively with first controller, second control module and the third Controller communication connects, and the entire car controller coordinates first controller, described second according to the power demand signal Control module and the third controller.
Description of the drawings
Fig. 1 is the structure diagram of the dynamical system of the present invention.
Fig. 2 is the block schematic illustration of the dynamical system of the present invention.
Specific embodiment
The embodiment of the present invention described referring now to attached drawing, similar element numbers represent similar element in attached drawing.
Refering to Figure 1, the dynamical system 100 based on new-energy automobile (not shown) of the present invention, suitable for being promoted The dynamic efficiency of new-energy automobile rationally controls the output and recycling of power, to ensure that new-energy automobile is stablized in power output Under the premise of can keep the power output of greater efficiency and effectively extend battery life.It below will be to the dynamical system of the present invention 100 are described in detail.
It please refers to Fig.1 with shown in Fig. 2, the dynamical system 100 of the present embodiment includes entire car controller 10, the first cell apparatus 20 and second cell apparatus 40.Wherein, entire car controller 10 receives a power demand signal 1, which can come From the accelerator device and brake gear of new-energy automobile, or entire car controller 10 itself is according to current new-energy automobile Travel road conditions, the deliverings such as transport condition control signal, and it is entire car controller 10 to new energy to export such control signal The conventional control means of source automobile, this will not be repeated here.It is connected in parallel between first cell apparatus 20 and the second cell apparatus 40, First cell apparatus 20 and the second cell apparatus 40 connect entire car controller 10, the first cell apparatus 20 and the second cell apparatus respectively 40 connect a motor 30 jointly.First cell apparatus 20 and the second cell apparatus 40 collectively form batteries in parallel connection device with for motor 30 Output current, the first cell apparatus 20 and the second cell apparatus 40 are alone or synergistically electricity under the allotment of entire car controller 10 30 output current of machine.During work, remaining capacity of first cell apparatus 20 according to 1 and second cell apparatus 40 of power demand signal Value exports a driving current 2 and a charging current 3 respectively, and 2 driving motor 30 of driving current rotates, and charging current 3 is to the second electricity Pool device 40 charges;Second cell apparatus 40 compensates 4 coordinated drive of electric current according to one compensation electric current 4 of the output of power demand signal 1 2 driving motor 30 of electric current rotates.
It please refers to shown in Fig. 2, the first cell apparatus 20 includes fuel cell 21, and fuel cell 21 is according to power demand signal 1 and residual electric quantity difference output driving current 2 and charging current 3.Fuel cell 21 is since its energy conversion efficiency is high, load Response is fast, running quality is high and can transform to rated power from lowest power within the several seconds, is widely used in new energy Automobile industry.Further, the first cell apparatus 20 further includes the first control module 22, and the first control module 22 connects fuel respectively Battery 21,10 and second cell apparatus 40 of entire car controller, the first control module 22 is according to power demand signal 1 and remaining capacity Value controls 21 output driving current 2 of fuel cell and charging current 3 respectively, under the master control of entire car controller 10, the first electricity Pool device 20 is exported in the case where keeping exporting dynamical stability, output driving current 2 and charging current 3, to promote power Delivery efficiency.
It please refers to shown in Fig. 2, the second cell apparatus 40 includes lithium battery 41, and lithium battery 41 is in parallel with fuel cell 21 even It connects, lithium battery 41 exports compensation electric current 4 according to power demand signal 1, and lithium battery 41 receives charging electricity according to power demand signal 1 Stream 3.Due to merely use fuel cell 21 new-energy automobile startup low-response, output characteristics is weak the shortcomings that, this implementation Example is equipped with power-type or power-energy Jian Gu Xing lithium battery 41 as auxiliary power source, and collaboration fuel cell 21 is jointly electricity Machine 30 provides power output.Further, the second cell apparatus 40 further includes the second control module 42, and the second control module 42 is divided Lithium battery 41, the first control module 22 and entire car controller 10 are not connect, and the second control module 42 monitors the surplus of lithium battery 41 in real time Remaining charge value is simultaneously sent to the first control module 22;Second control module 42 controls lithium battery 41 defeated according to power demand signal 1 Go out to compensate electric current 4;Second control module 42 controls lithium battery 41 to receive charging current 3 according to power demand signal 1.In vehicle control Under the master control of device 10 processed, the second cell apparatus 40 cannot meet the motor under power demand signal 1 in the first cell apparatus 20 During 30 maximum power, output compensation electric current 4, the compensation electric current 4 cooperates with the driving current 2 of the first cell apparatus 20 output, altogether It is all that motor 30 provides power output, and under the master control of entire car controller 10, the first cell apparatus 20 is filled in the first battery When putting the residual electric quantity of 20 maximum powers for meeting motor 30 under power demand signal 1 and the second battery and being less than certain value, Charging current 3 is exported, the second cell apparatus 40 reception charging current 3 is further to supplement electricity, the first control module 22 Under the allotment of entire car controller 10, the first control module 22 is according to the remaining capacity of the second cell apparatus 40, control fuel electricity Pond 21 exports different size of charging current 3, to charge for lithium battery 41, both ensure that the driving current of fuel cell 21 2 normal output also ensures that charging current 3 can adapt to the real-time remaining capacity of current lithium battery 41 to be carried out reliably to it Charging effectively prevent lithium battery 41 to be overcharged and because the residual electric quantity of lithium battery 41 is too high to carry out new energy vapour The Brake energy recovery of vehicle.Specifically, the second control module 42 is BMS (battery management system) module, which is 42 1 Kind is in new-energy automobile field specifically for the charge and discharge management of lithium battery 41 and the system of condition managing, and BMS modules 42 are in real time Monitor voltage value, current value and the temperature value of lithium battery 41, voltage value, current value and temperature of the BMS modules 42 according to lithium battery 41 Angle value controls the charging and power supply of lithium battery 41.It should be noted that second control module 42 of the present embodiment is directly by lithium electricity The residual electric quantity in pond 41 is sent to the first control module 22, to judge the current residual of lithium battery 41 by the first control module 22 Whether charge value meets charge condition, and certainly, the residual electric quantity of lithium battery 41 can also be sent to by the second control module 42 Entire car controller 10, by 10 unified allocation of resources of entire car controller, the first control module 22 is sentenced under 10 unified allocation of resources of entire car controller Whether the current residual electricity value of disconnected lithium battery 41 meets charge condition, and this will not be repeated here.
Please refer to shown in Fig. 2, dynamical system 100 further includes modular converter 50, modular converter 50 connect respectively fuel cell 21, The predetermined current of fuel cell 21 is respectively converted into driving current 2 and charging electricity by lithium battery 41 and motor 30, modular converter 50 The predetermined current of lithium battery 41 is converted to compensation electric current 4 by stream 3, modular converter 50.Preferably, which is unidirectional electricity Current converter, the form that the driving current 2 and charging current 3 that unidirectional current converter 50 provides fuel cell 21 pass through transformation Be converted into corresponding 30 and/or second battery module of motor, 40 required voltage, so as to for motor 30 provide driving current 2 and/ Or provide charging current 3 for the second battery module 40.
It please refers to shown in Fig. 2, dynamical system 100 further includes third control module 60, and third control module 60 connects whole respectively Vehicle controller 10 and motor 30, third control module 60 control motor 30 according to power demand signal 1.Further, vehicle control Device 10 processed communicates with the first control module 22, the second control module 42 and third control module 60 connect respectively, entire car controller 10 coordinate the first controller, the second control module 42 and third controller according to power demand signal 1.Third control module 60 exists Under the coordination of entire car controller 10, the operating condition of motor 30 is adjusted in time, it is ensured that motor 30 is given according to power demand signal 1 Power operating, keep power stablize output.
It please referring to Fig.1 with shown in Fig. 2, the rated power of note fuel cell 21 is P, and the first of the demand power of desired signal Predetermined value is P1, and the real-time residual electric quantity of the residual electric quantity of lithium battery 41 is V, the maximum of the residual electric quantity of lithium battery 41 Predetermined threshold V1, the minimum predetermined threshold V2 of the residual electric quantity of lithium battery 41.First battery module described below and Two battery modules are under the coordination of entire car controller 10, distribution driving current 2, charging current 3 and the specific behaviour for compensating electric current 4 Make:
1st, when the demand power of power demand signal 1 is less than first predetermined value P1, fuel cell 21 will be according to lithium battery 41 real-time residual electric quantity V makees following three kinds of situations distribution:
(1) if the residual electric quantity V of lithium battery 41 is more than maximum predetermined threshold V1, then by the first control module 22 certainly It is dynamic to adjust 50 output voltage of modular converter, it is charged with middle low current I1 to lithium battery 41;
(2) if the residual electric quantity V of lithium battery 41 is more than minimum predetermined threshold V2 and is less than highest predetermined threshold V1, 50 output voltage of modulus of conversion block is then automatically adjusted, is charged with middle high current I2 to lithium battery 41;
(3) if the residual electric quantity V of lithium battery 41 is less than minimum predetermined threshold V2, it is defeated to automatically adjust modulus of conversion block 50 Go out voltage, charged with high current I3 to lithium battery 41.
2nd, when the demand power of power demand signal 1 is more than first predetermined value P1 and less than the rated power of fuel cell 21 During P, the real-time residual electric quantity V according to lithium battery 41 is made following three kinds of situations distribution by fuel cell 21:
(1) if the residual electric quantity V of lithium battery 41 is more than maximum predetermined threshold V1, then by the first control module 22 certainly It is dynamic to adjust 50 output voltage of modular converter, it is charged with low current I4 to lithium battery 41;
(2) if the residual electric quantity V of lithium battery 41 is more than minimum predetermined threshold V2 and is less than highest predetermined threshold V1, 50 output voltage of modulus of conversion block is then automatically adjusted, is charged with middle low current I5 to lithium battery 41;
(3) if the residual electric quantity V of lithium battery 41 is less than minimum predetermined threshold V2, it is defeated to automatically adjust modulus of conversion block 50 Go out voltage, charged with middle high current I6 to lithium battery 41.
3rd, when the demand power of power demand signal 1 is more than or equal to the rated power P of fuel cell 21, fuel electricity Pond 21 will be exported with rated power P, and the demand power of power demand signal 1 is more than the part of the rated power P of fuel cell 21 It will be provided by lithium battery 41.
Preferably, the rated power P for the fuel cell 21 that the present embodiment uses is 8-10KW, sets the demand of desired signal The first predetermined value P1 of power is 4KW, sets the maximum predetermined threshold V1 of residual electric quantity V of lithium battery 41 as lithium battery 41 The 85% of total capacity, minimum predetermined threshold V2 are the 30% of 41 total capacity of lithium battery.
With reference to shown in Fig. 1-Fig. 2,10 foundation of entire car controller of the dynamical system 100 of the invention based on new-energy automobile Power demand signal 1 controls the first cell apparatus 20 and the second cell apparatus 40 respectively, and the first cell apparatus 20 exports drive respectively The driving current 2 and the charging current 3 for the charging of the second cell apparatus 40 that dynamic motor 30 rotates.When the first cell apparatus 20 exports Maximum drive current 2 when being unsatisfactory for the maximum power of motor 30 under power demand signal 1, the output of the second cell apparatus 40 is mended It repays electric current 4 to rotate with 2 common driving motor 30 of coordinated drive electric current, to meet the maximum of the motor 30 under power demand signal 1 Power avoids the first cell apparatus 20 frequent start-stop due to different power demand signals 1, reduces power output waste, has Effect improves power output efficiency;Since the compensation electric current 4 of the second cell apparatus 40 cannot meet work(in the first cell apparatus 20 The driving of motor 30 is just intervened during the maximum power of the motor 30 under rate desired signal 1, it is continuous to avoid the second cell apparatus 40 Work effectively extends the service life of the second cell apparatus 40;Entire car controller 10, which controls, effectively combines power demand signal 1 and the The residual electric quantity of two cell apparatus 40 is ensureing the first cell apparatus so that the first cell apparatus 20 to be controlled to export charging current 3 20 just export charging current 3 when meeting the maximum power of the motor 30 under power demand signal 1, further ensure the defeated of power Go out, and the first cell apparatus 20 is just to export charging current 3 when the residual electric quantity of the second cell apparatus 40 is less than certain value, First cell apparatus 20 can export different size of charging current 3 according to the remaining capacity of the second cell apparatus 40, effectively anti- Only the second cell apparatus 40 is overcharged and because the residual electric quantity of the second cell apparatus 40 is too high to carry out new energy The Brake energy recovery of automobile.
It is above disclosed to be merely a preferred embodiment of the present invention, the right of the present invention cannot be limited with this certainly Range, therefore the equivalent variations made according to scope of the present invention patent, are still within the scope of the present invention.

Claims (10)

1. a kind of dynamical system based on new-energy automobile, suitable for promoting the dynamic efficiency of the new-energy automobile, feature exists In the dynamical system includes:
Entire car controller, the entire car controller receive a power demand signal;
First cell apparatus and the second cell apparatus, first cell apparatus and second cell apparatus are connected in parallel, institute It states the first cell apparatus and second cell apparatus connects the entire car controller, first cell apparatus and described respectively Two cell apparatus connect a motor jointly;
First cell apparatus is defeated according to the power demand signal and the residual electric quantity of second cell apparatus difference Go out a driving current and a charging current, the driving current drives the motor rotation, and the charging current is to described second Cell apparatus charges;
Second cell apparatus cooperates with the drive according to one compensation electric current of power demand signal output, the compensation electric current Streaming current drives the motor rotation.
2. the dynamical system based on new-energy automobile as described in claim 1, which is characterized in that the first cell apparatus packet Fuel cell is included, the fuel cell exports the driving electricity respectively according to the power demand signal and the residual electric quantity Stream and the charging current.
3. the dynamical system based on new-energy automobile as claimed in claim 2, which is characterized in that first cell apparatus is also Including the first control module, first control module connects the fuel cell, the entire car controller and described second respectively Cell apparatus, first control module control the fuel respectively according to the power demand signal and the residual electric quantity Battery exports the driving current and the charging current.
4. the dynamical system based on new-energy automobile as claimed in claim 3, which is characterized in that the second cell apparatus packet Lithium battery is included, the lithium battery is connected in parallel with the fuel cell, and the lithium battery is exported according to the power demand signal The compensation electric current;The lithium battery receives the charging current according to the power demand signal.
5. the dynamical system based on new-energy automobile as claimed in claim 4, which is characterized in that second cell apparatus is also Including the second control module, second control module connects the lithium battery, first control module and the vehicle respectively Controller, second control module monitor the residual electric quantity of the lithium battery and are sent to first control in real time Module;Second control module controls the lithium battery to export the compensation electric current according to the power demand signal;It is described Second control module controls the lithium battery to receive the charging current according to the power demand signal.
6. the dynamical system based on new-energy automobile as claimed in claim 5, which is characterized in that second control module is BMS modules, the BMS modules monitor the voltage value, current value and temperature value of the lithium battery, the BMS modules foundation in real time Voltage value, current value and the temperature value of the lithium battery control the charging and power supply of the lithium battery.
7. the dynamical system based on new-energy automobile as claimed in claim 4, which is characterized in that the dynamical system further includes Modular converter, the modular converter connect the fuel cell, the lithium battery and the motor respectively, and the modular converter is by institute The predetermined current for stating fuel cell is respectively converted into the driving current and the charging current, and the modular converter is by the lithium The predetermined current of battery is converted to the compensation electric current.
8. the dynamical system based on new-energy automobile as claimed in claim 7, which is characterized in that the modular converter is unidirectional Power pack.
9. the dynamical system based on new-energy automobile as claimed in claim 6, which is characterized in that the dynamical system further includes Third control module, the third control module connect the entire car controller and the motor, the third control module respectively The motor is controlled according to the power demand signal.
10. the dynamical system based on new-energy automobile as claimed in claim 9, which is characterized in that the entire car controller point Do not connect with first controller, second control module and the third controller communication, the entire car controller according to Coordinate first controller, second control module and the third controller according to the power demand signal.
CN201711461861.XA 2017-12-28 2017-12-28 Dynamical system based on new-energy automobile Pending CN108162781A (en)

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CN110422084A (en) * 2019-06-27 2019-11-08 陕西法士特齿轮有限责任公司 A kind of fuel cell motive force control method and system
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CN111002873A (en) * 2019-12-25 2020-04-14 东风汽车集团有限公司 Fuel cell automobile energy management method
CN111002873B (en) * 2019-12-25 2021-08-17 东风汽车集团有限公司 Fuel cell automobile energy management method

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Application publication date: 20180615