CN110435447A - A kind of electric automobile high-voltage distribution system and its control method based on fuel cell - Google Patents
A kind of electric automobile high-voltage distribution system and its control method based on fuel cell Download PDFInfo
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- CN110435447A CN110435447A CN201910817193.2A CN201910817193A CN110435447A CN 110435447 A CN110435447 A CN 110435447A CN 201910817193 A CN201910817193 A CN 201910817193A CN 110435447 A CN110435447 A CN 110435447A
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- 239000000446 fuel Substances 0.000 title claims abstract description 233
- 238000000034 method Methods 0.000 title claims abstract description 21
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 83
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 83
- 230000009466 transformation Effects 0.000 claims 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 12
- 229910052739 hydrogen Inorganic materials 0.000 description 12
- 239000001257 hydrogen Substances 0.000 description 12
- 230000005611 electricity Effects 0.000 description 11
- 239000012530 fluid Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 230000002045 lasting effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000000306 component Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000009790 rate-determining step (RDS) Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/75—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using propulsion power supplied by both fuel cells and batteries
-
- 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
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of electric automobile high-voltage distribution system and its control method based on fuel cell, system include main motor controller, fuel cell subsystem, lithium dynamical battery subsystem, All-in-One controller and a preliminary filling resistance；All-in-One controller is used to control the precharging state of the preliminary filling resistance；Lithium dynamical battery subsystem is also used to after main motor controller powers on preliminary filling for carrying out powering on preliminary filling to main motor controller or fuel cell subsystem according to the precharging state of preliminary filling resistance, provides power for main electric machine controller；Main motor controller is used to control external driving motor and/or loaded work piece after powering on preliminary filling；Fuel cell subsystem is for providing power after powering on preliminary filling for main electric machine controller.The present invention shares a preliminary filling resistance, effectively saves cost, and selectively can also can carry out correspondingly preliminary filling to fuel cell subsystem while completing preliminary filling to main motor controller.
Description
Technical field
The present invention relates to technical field of new energy more particularly to a kind of electric automobile high-voltage based on fuel cell to match
Electric system and its control method.
Background technique
Since global energy shortages and people are to the growing interest of living environment problem, as nowadays most important two
The Hydrogen Energy of the secondary energy high speed development at an amazing speed.Since 21 century, research day of the Hydrogen Energy in fields such as railway traffics
Benefit is active, and hydrogen fuel cell has become Hydrogen Energy one of research field the most active.Wherein, hydrogen be as the advantages of fuel can
It is resourceful using using water as raw material；And the heat released when burning is more；Combustion product is water, nontoxic, pollution-free, and can be with
Circular regeneration uses, and is called green energy resource.Further, hydrogen can largely be extracted from electrolysis water and coal gasification, and
It does not need to carry out biggish restructuring to automobile engine, therefore has broad application prospects using Hydrogen Energy as power.Hydrogen fuel
Battery pure electric automobile with its high energy conversion rate, no pollution discharge, fuel economy is good many advantages, such as, it is now each to have obtained
The extensive concern of government, state, enterprise and academia and ardent support.
As a core --- the high tension distribution system of hydrogen fuel cell electric car, i.e. the height electricity of electric car
High current allocation unit is pressed, the high tension distribution system for designing a kind of Highgrade integration is that field new technology urgently to be resolved is asked
Topic.Under the premise of high tension distribution system works normally and is reliable and stable, using the distribution of integrated fuel cell system, can have
Effect control cost, facilitates the fast development of electric car.
However general fuel cell electric vehicle is not due to using the distribution of integrated fuel cell system, making at present
At following problem: 1, fuel cell system additionally increases preliminary filling circuit without sharing preliminary filling resistance with electric machine controller, leads
The additional increase of cost is caused；2, fuel cell distribution is separately configured in part of fuel battery electric automobile, so that vehicle equipment increases
Add, interior space arranges that difficulty increases.
Summary of the invention
The technical problem to be solved by the present invention is to solve the above shortcomings of the prior art and to provide one kind to be based on fuel cell
Electric automobile high-voltage distribution system and its control method so that the preliminary filling of fuel cell subsystem and main motor controller MCU
Resistance shares, and effectively saves cost caused by additional increase preliminary filling resistance, and can be pre- to main motor controller MCU completion
While filling, correspondingly preliminary filling also selectively can be carried out to fuel cell subsystem, accomplish the mutual only of two subsystems
It is vertical.
The technical scheme to solve the above technical problems is that
A kind of electric automobile high-voltage distribution system based on fuel cell, including main motor controller, fuel cell subsystem
System, lithium dynamical battery subsystem, All-in-One controller and a preliminary filling resistance；
The All-in-One controller, for controlling the precharging state of the preliminary filling resistance；
The lithium dynamical battery subsystem, for the precharging state according to the preliminary filling resistance to the main motor controller
Or the fuel cell subsystem carries out powering on preliminary filling, is also used to after the main motor controller powers on preliminary filling, is the master
Electric machine controller provides power；
The main motor controller, for controlling external driving motor and/or loaded work piece after powering on preliminary filling；
The fuel cell subsystem, for providing power after powering on preliminary filling for the main motor controller.The present invention
Beneficial effect be: by All-in-One controller control preliminary filling resistance precharging state, respectively correspond as main electric machine controller
Power on the preliminary filling that powers on of preliminary filling and fuel cell subsystem, first realization vehicle to main motor controller the preliminary filling that powers on, at this time
There are no starting fluid battery subsystem is started, power resources are in lithium dynamical battery subsystem；When needing starting fluid battery,
The second precharging state that preliminary filling resistance is controlled by All-in-One controller starts to realize vehicle to the upper of fuel cell subsystem
Electric preliminary filling, power resources are in lithium dynamical battery subsystem；
The present invention can make fuel cell by the above-mentioned electric automobile high-voltage distribution system based on fuel cell
The preliminary filling resistance of system and main motor controller MCU share, it is only necessary to which a preliminary filling resistance effectively saves fuel cell subsystem
It unites the use of independent preliminary filling resistance, saves and additional increase cost caused by preliminary filling resistance, it can be achieved that main motor controller
While MCU completes preliminary filling, correspondingly preliminary filling also selectively can be carried out to fuel cell subsystem, be truly realized two sons
System it is mutually indepedent, without be individually for fuel cell carry out distribution, it is integrated higher, facilitate the arrangement of interior space.
Based on the above technical solution, the present invention can also be improved as follows:
Further, the All-in-One controller is also used to after the main motor controller is completed to power on preliminary filling, institute is controlled
Main motor controller high pressure is stated to power on, and/or, after fuel cell subsystem completion powers on preliminary filling, control the fuel
Battery subsystem high pressure powers on, and after the main motor controller and/or fuel cell subsystem completion high pressure power on
It controls the preliminary filling resistance and is in off state.Further, the All-in-One controller includes first contactor, the second contact
Device, third contactor and the 4th contactor；The precharging state of the preliminary filling resistance includes the first precharging state and the second preliminary filling shape
State, the off state of the preliminary filling resistance include the first off state and the second off state；
The first contactor, for the first close command being received, so that institute after getting the key enabled instruction
It states preliminary filling resistance and is arranged to first precharging state；
The second contactor, the first preliminary filling electric current for powering on preliminary filling when the main motor controller are more than first pre-
When filling current threshold, the second close command is received, so that the main motor controller carries out high pressure and powers on；
The first contactor is also used to when the first high-tension current that the main motor controller high pressure powers on be more than first
When high-tension current threshold value, the first open command is received, so that the preliminary filling resistance is arranged to first off state；
The third contactor, for receiving third close command after getting fuel cell start-up instruction, with
The preliminary filling resistance is set to be arranged to second precharging state；
4th contactor, for being more than second when the fuel cell subsystem powers on the second preliminary filling electric current of preliminary filling
When preliminary filling current threshold, the 4th close command is received, so that the fuel cell subsystem carries out high pressure and powers on；
The third contactor, the second high-tension current for being also used to power on when the fuel cell subsystem high pressure are more than the
When two high-tension current threshold values, the second open command is received, so that the preliminary filling resistance is arranged to second off state.
Further, the 4th contactor also particularly useful for:
When the fuel cell subsystem breaks down, third open command is received, so that the preliminary filling resistance is weighed
Newly it is set as first off state.
Further, further including the electric energy for transmitting the lithium dynamical battery subsystem to the fuel cell subsystem
The first DC-DC converter converted, and/or, for the fuel cell subsystem to be passed to the main motor controller
The second DC-DC converter that defeated electric energy is converted；
Another aspect according to the present invention provides a kind of electric automobile high-voltage distribution controlling party based on fuel cell
Method, applied to a kind of electric automobile high-voltage distribution system based on fuel cell of the invention, comprising the following steps:
The precharging state of the preliminary filling resistance is controlled by the All-in-One controller, and passes through lithium dynamical battery
System carries out powering on preliminary filling according to the precharging state of the preliminary filling resistance to the main motor controller；The main motor controller
After powering on preliminary filling, pass through the driving motor and/or loaded work piece outside the dynamic Control of lithium dynamical battery subsystem offer；
The precharging state of the preliminary filling resistance is controlled by the All-in-One controller, and passes through lithium dynamical battery
System carries out the fuel cell subsystem to power on preliminary filling according to the precharging state of the preliminary filling resistance；Fuel cell subsystem
After powering on preliminary filling, Xiang Suoshu main motor controller provides power to control external driving motor and/or loaded work piece.
The beneficial effects of the present invention are: controlling the precharging state of preliminary filling resistance, including main motor by All-in-One controller
Controller power on preliminary filling and fuel cell subsystem power on preliminary filling, be first begin to realize vehicle to the upper of main motor controller
Electric preliminary filling, at this time there are no starting fluid battery subsystem is started, power resources are in lithium dynamical battery subsystem；When needing to start
When fuel cell, the precharging state of preliminary filling resistance is controlled by All-in-One controller, that is, starts to realize that vehicle gives fuel cell
System powers on preliminary filling, and power resources are in lithium dynamical battery subsystem；
Electric automobile high-voltage power distribution control method based on fuel cell of the invention, fuel cell subsystem and main motor
The preliminary filling resistance of controller MCU shares, it is only necessary to which a preliminary filling resistance effectively saves fuel cell subsystem and is individually pre-charged
The use of resistance saves cost caused by additional increase preliminary filling resistance, it can be achieved that completing preliminary filling to main motor controller MCU
Meanwhile correspondingly preliminary filling also selectively can be carried out to fuel cell subsystem, it has been truly realized the mutual only of two subsystems
It is vertical, distribution is carried out without being individually for fuel cell, it is integrated higher, facilitate the arrangement of interior space.
Based on the above technical solution, the present invention can also be improved as follows:
Further, further including following after the lithium dynamical battery subsystem powers on preliminary filling to the main motor controller
Step:
When the main motor controller power on preliminary filling after the completion of, pass through the All-in-One controller and control the main motor
The high pressure of controller powers on；After the completion of the high pressure of the main motor controller powers on, controlled by the All-in-One controller
The off state of the preliminary filling resistance completes the high voltage power distribution of the main motor controller；
It is further comprising the steps of after the lithium dynamical battery subsystem powers on preliminary filling to the fuel cell subsystem:
When the fuel cell subsystem power on preliminary filling after the completion of, pass through the All-in-One controller and control the fuel
The high pressure of battery subsystem powers on；After the completion of the high pressure of the fuel cell subsystem powers on, controlled by the All-in-One
Device controls the off state of the preliminary filling resistance, completes the high voltage power distribution of the fuel cell subsystem.
Further, the All-in-One controller includes first contactor, second contactor, third contactor and the 4th contact
Device；The precharging state of the preliminary filling resistance includes the first precharging state and the second precharging state, the breaking shape of the preliminary filling resistance
State includes the first off state and the second off state；
The precharging state of the preliminary filling resistance is then controlled by the All-in-One controller, and passes through the lithium dynamical battery
Subsystem power on to the main motor controller specific implementation of preliminary filling according to the precharging state of the preliminary filling resistance are as follows:
After getting key enabled instruction, the first contactor receives the first close command, so that the precharge
Resistance is arranged to first precharging state；
The lithium dynamical battery subsystem is according to first precharging state of the preliminary filling resistance to the main motor control
Device processed carries out powering on preliminary filling；
Then complete the specific implementation of the high voltage power distribution of the main motor controller are as follows:
When the first preliminary filling electric current that the main motor controller powers on preliminary filling is more than the first preliminary filling current threshold, described
Two contactors receive the second close command, so that the main motor controller carries out high pressure and powers on；
When the first high-tension current that the main motor controller high pressure powers on is more than the first high-tension current threshold value, described
One contactor receives the first open command and completes the master so that the preliminary filling resistance is arranged to first off state
The high voltage power distribution of electric machine controller；
The precharging state of the preliminary filling resistance is then controlled by the All-in-One controller, and passes through the lithium dynamical battery
Subsystem power on to the fuel cell subsystem specific implementation of preliminary filling according to the precharging state of the preliminary filling resistance are as follows:
After getting fuel cell start-up instruction, the third contactor receives third close command, so that described pre-
Charging resistance is arranged to second precharging state；
The lithium dynamical battery subsystem is according to second precharging state of the preliminary filling resistance to the fuel cell
Subsystem carries out powering on preliminary filling；
Then complete the specific implementation of the high voltage power distribution of the fuel cell subsystem are as follows:
It is described when the second preliminary filling electric current that the fuel cell subsystem powers on preliminary filling is more than the second preliminary filling current threshold
4th contactor receives the 4th close command, so that the fuel cell subsystem carries out high pressure and powers on；
It is described when the second high-tension current that the fuel cell subsystem high pressure powers on is more than the second high-tension current threshold value
Third contactor receives the second open command, so that the preliminary filling resistance is arranged to second off state, described in completion
The high voltage power distribution of fuel cell subsystem.
Further, further comprising the steps of after the high voltage power distribution for completing the fuel cell subsystem:
When the fuel cell subsystem breaks down, the 4th contactor receives third open command, so that institute
It states preliminary filling resistance and is re-set as first off state.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electric automobile high-voltage distribution system based on fuel cell in the embodiment of the present invention one
One；
Fig. 2 is the structural schematic diagram of the electric automobile high-voltage distribution system based on fuel cell in the embodiment of the present invention one
Two；
Fig. 3 is the structural schematic diagram of the electric automobile high-voltage distribution system based on fuel cell in the embodiment of the present invention one
Three；
Fig. 4 is the process signal of the electric automobile high-voltage power distribution control method based on fuel cell in the embodiment of the present invention two
Figure one；
Fig. 5 is the process signal of the electric automobile high-voltage power distribution control method based on fuel cell in the embodiment of the present invention two
Figure two.
In attached drawing, parts list represented by the reference numerals are as follows:
10, main motor controller, 20, fuel cell subsystem, 30, lithium dynamical battery subsystem, 40, preliminary filling resistance, 50,
All-in-One controller, the 60, first DC-DC converter, the 70, second DC-DC converter, 501, first contactor, 502, second connects
Tentaculum, 503, third contactor, the 504, the 4th contactor.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
With reference to the accompanying drawing, the present invention will be described.
Embodiment one, as shown in Figure 1, a kind of electric automobile high-voltage distribution system based on fuel cell, including main motor
Controller 10, fuel cell subsystem 20, lithium dynamical battery subsystem 30, All-in-One controller 50 and a preliminary filling resistance 40；
The All-in-One controller 50, for controlling the precharging state of the preliminary filling resistance 40；
The lithium dynamical battery subsystem 30, for the precharging state according to the preliminary filling resistance 40 to the main motor control
Device 10 processed or the fuel cell subsystem 20 carry out powering on preliminary filling, are also used to power on preliminary filling in the main motor controller 10
Afterwards, power is provided for the main motor controller 10；
The main motor controller 10, for controlling external driving motor and/or loaded work piece after powering on preliminary filling；
The fuel cell subsystem 20, for being that the main motor controller 10 provides power after powering on preliminary filling.
Main motor controller, that is, electric machine controller MCU, in electric car, the function of main motor controller MCU is basis
The instruction such as gear, throttle, brake, electric energy needed for the electric energy that power battery is stored converts driving motor are electronic to control
The driving status such as the starting operation of automobile, advance and retreat speed, climbing dynamics, or electric vehicle brake will be helped, and part is stopped
Vehicle energy stores are one of key components and parts of electric car into power battery；
Wherein, preliminary filling resistance is usually to provide the electricity that charging uses to load when circuit rear end has capacitive load to power on
Resistance；For electric car, main motor controller all has biggish bus capacitor, in the case where cold start is without precharge condition, such as
Main relay is directly connected, and battery high pressure will be loaded directly on empty bus capacitor, is equivalent to instantaneous short circuit, great moment
Electric current can damage relay；After preliminary filling resistance is added, first bus capacitor is pre-charged by preliminary filling electrical circuit, such main circuit
Electric current when connection can control in the range of safety, it is ensured that system operates normally；Requirement to preliminary filling resistance is volume
It is small, power load is big.
In the present embodiment, passes through and close more when getting key enabled instruction (such as when vehicle key is turned round to " Start ")
One controller control preliminary filling resistance precharging state, the precharging state of the preliminary filling resistance include for powering on for main electric machine controller it is pre-
Fill and power on preliminary filling with fuel cell subsystem, be first begin to realize vehicle to the preliminary filling that powers on of main motor controller, at this time also
Starting fluid battery subsystem is not started to, power resources are in lithium dynamical battery subsystem；(the example when needing starting fluid battery
When sending fuel enabled instruction such as entire car controller), the precharging state of preliminary filling resistance is controlled by All-in-One controller, that is, is started
Vehicle is realized to the preliminary filling that powers on of fuel cell subsystem, power resources are in lithium dynamical battery subsystem；
The present embodiment can make fuel cell by the above-mentioned electric automobile high-voltage distribution system based on fuel cell
The preliminary filling resistance of subsystem and main motor controller MCU share, it is only necessary to which a preliminary filling resistance effectively saves fuel cell
The use of the independent preliminary filling resistance of system saves cost caused by additional increase preliminary filling resistance, it can be achieved that controlling to main motor
While device MCU completes preliminary filling, correspondingly preliminary filling also selectively can be carried out to fuel cell subsystem, be truly realized two
Subsystem it is mutually indepedent, without be individually for fuel cell carry out distribution, it is integrated higher, facilitate the arrangement of interior space.
Wherein, entire car controller, that is, electric car entire car controller VCU (Vehicle Control Unit), is electronic
The core component of vehicle complete vehicle control system, be for control the starting of electric vehicle motor, operation, advance and retreat, speed, stopping and
The kernel control chip of other electronic components of electric vehicle；Component VCU most crucial as control system of electric automobile, undertakes
Data exchange, safety management, driver intention is explained and the task of power flow management.
Specifically, the precharging state of the preliminary filling resistance 60 in the present embodiment includes that the first precharging state and second are pre-
Fill state；The then All-in-One controller 50 is arranged to the first precharging state and first for controlling the preliminary filling resistance 40
Off state；When the preliminary filling resistance 40 is in first preset state, the main motor controller 10 passes through the lithium
Power battery subsystem 30 carries out powering on preliminary filling；When the preliminary filling resistance 40 is in second preset state, the fuel
Battery subsystem 20 carries out powering on preliminary filling by the lithium dynamical battery subsystem 30；
The lithium dynamical battery subsystem 30, for being arranged to first precharging state when the preliminary filling resistance 40
When, Xiang Suoshu main motor controller 10 exports electric energy so that the main motor controller 10 carries out powering on preliminary filling；The lithium power
Battery subsystem 30 is also used to when the preliminary filling resistance 40 is arranged to second precharging state, Xiang Suoshu fuel cell
Subsystem 20 exports electric energy so that the fuel cell subsystem 20 carries out powering on preliminary filling；
The main motor controller 10, for connecing when the preliminary filling resistance 40 is arranged to first precharging state
The electric energy that the lithium dynamical battery subsystem 30 exports is received to carry out powering on preliminary filling；The fuel cell subsystem 20, for working as institute
When stating preliminary filling resistance 40 and being arranged to second precharging state, receive electric energy that the lithium dynamical battery subsystem 30 exports into
Row powers on preliminary filling.Specifically, in the present embodiment, main motor controller is inverter commonly used in the prior art, fuel cell
Subsystem is specially hydrogen fuel cell subsystem, and All-in-One controller is the module that multiple relays and multiple resistance integrate.
Preferably, the All-in-One controller 50 is also used to, after the main motor controller 10 completion powers on preliminary filling, control
10 high pressure of main motor controller is made to power on, and/or, after the fuel cell subsystem 20 completion powers on preliminary filling, control
20 high pressure of fuel cell subsystem powers on, and in the main motor controller 10 and/or the fuel cell subsystem 20
Completion high pressure controls the preliminary filling resistance 40 after powering on and is in off state.
The off state of preliminary filling resistance includes the first off state and the second off state, pre- due to working as main motor controller
After the completion of filling electricity with, main motor controller progress high pressure can be controlled by All-in-One controller and is powered on, power resources are dynamic in lithium
Power battery subsystem participates in the energy supply of main motor controller without preliminary filling resistance after main motor controller, which completes high pressure, to be powered on,
Therefore the first off state will can be set by preliminary filling resistance by All-in-One controller；And when fuel cell subsystem is filled in advance
It after the completion of electricity, also needs to power on fuel cell subsystem progress high pressure, similarly, when fuel cell subsystem is completed in high pressure
After electricity, the energy supply of fuel cell subsystem is participated in without preliminary filling resistance, therefore can will be by All-in-One controller by preliminary filling resistance
Be set as the second off state this；By above-mentioned first off state and the second off state, it can be achieved that only needing a preliminary filling
Resistance selectively can be carried out also to fuel cell subsystem correspondingly pre- while main motor controller MCU completes preliminary filling
It fills, has been truly realized the mutually indepedent of two subsystems.
Preferably, as shown in Fig. 2, the All-in-One controller 50 includes first contactor 501, second contactor 502, the
Three contactors 503 and the 4th contactor 504；The precharging state of the preliminary filling resistance 40 includes the first precharging state and the second preliminary filling
State, the off state of the preliminary filling resistance 40 include the first off state and the second off state；
The first contactor 501, for the first close command being received, so that institute after getting key enabled instruction
It states preliminary filling resistance 40 and is arranged to first precharging state；
The second contactor 502, the first preliminary filling electric current for powering on preliminary filling when the main motor controller 10 are more than
When the first preliminary filling current threshold, the second close command is received, so that the main motor controller 10 carries out high pressure and powers on；
The first contactor 501, the first high-tension current for being also used to power on when 10 high pressure of main motor controller are super
When crossing the first high-tension current threshold value, the first open command is received, so that the preliminary filling resistance 40 is arranged to first open circuit
State；
The third contactor 503, for receiving third close command after getting fuel cell start-up instruction, with
The preliminary filling resistance 40 is set to be arranged to second precharging state；
4th contactor 504, the second preliminary filling electric current for powering on preliminary filling when the fuel cell subsystem 20 are super
When crossing the second preliminary filling current threshold, the 4th close command is received, so that the fuel cell subsystem 20 carries out high pressure and powers on；
The third contactor 503 is also used to the second high-tension current when 20 high pressure of fuel cell subsystem powers on
When more than the second high-tension current threshold value, the second open command is received, is broken so that the preliminary filling resistance 40 is arranged to described second
Line state.
When getting key enabled instruction, first contactor receive the first close command, then lithium dynamical battery subsystem,
Preliminary filling resistance, first contactor and main motor controller this line conduction, pass through lithium dynamical battery subsystem and preliminary filling resistance
It carries out powering on preliminary filling for main electric machine controller；When the first preliminary filling electric current that main motor controller powers on preliminary filling is more than the first precharge
When flowing threshold value, illustrate main motor controller powers on preliminary filling completion, needs to carry out high pressure to it to power on, therefore second contactor connects
The second close command is received, then lithium dynamical battery subsystem, second contactor and main motor controller this route are also begun to turn on
(at this point, lithium dynamical battery subsystem, preliminary filling resistance, first contactor and main motor controller this route remain on),
It is that main electric machine controller progress high pressure powers on by lithium dynamical battery subsystem；When main motor controller high pressure power on first
When high-tension current is more than the first high-tension current threshold value, illustrate that the high pressure of main motor controller powers on completion, without preliminary filling resistance
Operation, therefore first contactor receives the first open command, so that lithium dynamical battery subsystem, preliminary filling resistance, first contactor
It is disconnected with this route of main motor controller, so that the first precharging state of preliminary filling resistance disconnects, i.e. preliminary filling resistance is arranged to
First off state；Wherein, the first preliminary filling current threshold and the first high-tension current threshold value can be arranged and adjust according to the actual situation；
When getting fuel cell start-up instruction, that is, when needing starting fluid battery-powered, third contactor receives the
Three close commands, then lithium dynamical battery subsystem, preliminary filling resistance, third contactor and fuel cell subsystem this line conduction
(at this point, lithium dynamical battery subsystem, second contactor and main motor controller this route are still on state), passes through lithium
Power battery subsystem and preliminary filling resistance are that fuel cell subsystem carries out powering on preliminary filling；When fuel cell subsystem powers on preliminary filling
The second preliminary filling electric current when being more than the second preliminary filling current threshold, illustrate fuel cell subsystem powers on preliminary filling completion, needs pair
It carries out high pressure and powers on, therefore receives the 4th close command by the 4th contactor, then lithium dynamical battery subsystem, the 4th contact
Device and fuel cell subsystem this route are also begun to turn on (at this point, lithium dynamical battery subsystem, second contactor and main motor
This route of controller and lithium dynamical battery subsystem, preliminary filling resistance, third contactor and fuel cell subsystem this line
Road is on state), i.e., it is that fuel cell subsystem progress high pressure powers on by lithium dynamical battery subsystem；Work as fuel
When the second high-tension current that battery subsystem high pressure powers on is more than the second high-tension current threshold value, illustrate the height of fuel cell subsystem
Pressure powers on completion, and without the operation of preliminary filling resistance, therefore third contactor receives the second open command, so that lithium dynamical battery is sub
This article of system, preliminary filling resistance, third contactor and fuel cell subsystem route disconnect (at this point, lithium dynamical battery subsystem, the
Two contactors and this route of main motor controller and lithium dynamical battery subsystem, the 4th contactor and fuel cell subsystem
Unite this route, be on state) so that the second precharging state of preliminary filling resistance disconnects, i.e. preliminary filling resistance is arranged to
Second off state；Wherein, the second preliminary filling current threshold and the second high-tension current threshold value can be arranged and adjust according to the actual situation；
By the All-in-One controller of above-mentioned composition, preliminary filling and high pressure can be powered on smoothly complete main motor controller
While powering on, also smoothly complete fuel cell subsystem power on preliminary filling and high pressure powers on, can guarantee lithium dynamical battery
Subsystem is the lasting energy supply of main electric machine controller, it is ensured that fuel cell subsystem is the lasting energy supply of main electric machine controller,
While completing preliminary filling to main motor controller, correspondingly preliminary filling also selectively can be carried out to fuel cell subsystem, done
The independence of two systems preliminary filling is arrived；And pass through the preliminary filling resistance of the preliminary filling resistance of main motor controller and fuel cell subsystem
It shares, reduces the use of the independent preliminary filling resistance of fuel cell subsystem, save cost caused by additional increase preliminary filling resistance；
Distribution is carried out without being individually for fuel cell, it is integrated higher, facilitate the arrangement of interior space.
Specifically, in the present embodiment when preliminary filling resistance, which is in the first precharging state, that is, main motor controller, powers on preliminary filling,
First contactor closure, second contactor, third contactor and the 4th contactor disconnect；When main motor controller high pressure powers on
When, first contactor and second contactor are closed, and third contactor and the 4th contactor disconnect；When preliminary filling resistance is in first
When off state, that is, main motor controller high pressure powers on completion, second contactor closure, first contactor, third contactor and the
Four contactors disconnect；When preliminary filling resistance, which is in the second precharging state, that is, fuel cell subsystem, powers on preliminary filling, the second contact
Device and third contactor closure, first contactor and the 4th contactor disconnect；When fuel cell subsystem high pressure powers on, the
Two contactors, third contactor and the 4th contactor closure, first contactor disconnect；When preliminary filling resistance is in the second off state
When i.e. fuel cell subsystem high pressure powers on completion, second contactor and the 4th contactor closure, first contactor and third are connect
Tentaculum disconnects.
It should be noted that key enabled instruction, fuel enabled instruction in the present embodiment, the first close command, second
Close command, third close command, the 4th close command, the first open command and the second open command, either vehicle control
What device processed was sent, it can also be what user sent manually.
Specifically, as shown in Fig. 2, the preliminary filling resistance in the present embodiment is R1, first contactor is relay K2, and second connects
Tentaculum is relay K1, and third contactor is relay K11, and the 4th contactor is relay K10, preliminary filling resistance and each relay
Specifications and models it is as follows:
Preliminary filling resistance R1:RXLG 100W150RJ；
Relay K1:HFE18V-200/750-12-HC5 (699)；
Relay K2 and relay K11:HFE80V-20C/450-12-HTQ2BJ；
Relay K10:HFE18V-150-750-12-HC6.
Preferably, the 4th contactor 504 also particularly useful for:
When the fuel cell subsystem 30 breaks down, third open command is received, so that the preliminary filling resistance 60
It is re-set as first off state.
Due in the prior art, part of fuel battery electric automobile configures corresponding relay without giving fuel cell subsystem
And fuse, the traveling of vehicle is influenced after causing fuel cell subsystem to break down；In the present invention, when in starting fluid battery
Before subsystem, if fuel cell subsystem breaks down, third close command will not be issued to third controller, i.e., will not
Starting fluid battery subsystem, preliminary filling resistance continues to remain the first off state, at this point, lithium dynamical battery subsystem, second
Contactor and this route of main motor controller are on state, i.e., by lithium dynamical battery subsystem are directly main electric machine controller
Energy supply；And after starting fuel cell subsystem, i.e., it is electricity after main motor is energized by fuel cell subsystem
Motor-car is in operational process, if fuel cell subsystem breaks down, issues third open command to the 4th contactor,
Then third contactor and the 4th contactor are in off-state at this time, and preliminary filling resistance is re-set as the first off state,
That is the circuit of fuel shutoff battery subsystem, fuel shutoff battery subsystem are the energy supply of main electric machine controller, come back to lithium
Power battery subsystem is the powered mode of main electric machine controller；By the above-mentioned means, being filled in the pre- of fuel cell subsystem
Electricity, high pressure power on or operational process in, can be by All-in-One controller selectively after there is fuel cell subsystem failure
The energy supply for cutting off hydrogen fuel cell only allows lithium dynamical battery subsystem to provide power, avoids because of fuel cell subsystem
Failure and he the problem of causes vehicle to be unable to normally travel, ensure that the safety of vehicle operation；Wherein, third open command both may be used
To be that entire car controller is sent, it is also possible to what user directly transmitted manually；Wherein, whether fuel cell subsystem occurs event
Barrier is realized by its internal detection circuit, if breaking down, fault-signal can be sent to entire car controller or inform user,
The part is the prior art, and the invention emphasis of non-present invention, detail repeats no more.
It preferably, as shown in Figures 2 and 3, further include for the lithium dynamical battery subsystem 30 is electric to the fuel
The first DC-DC converter 80 that the electric energy that pond system 20 is transmitted is converted, and/or, it is used for the fuel cell subsystem
The second DC-DC converter 70 that system 20 is converted to the electric energy that the main motor controller 10 transmits.
It, can be by lithium by the first DC-DC converter between lithium dynamical battery subsystem and fuel cell subsystem
Voltage needed for the voltage (electric energy) that power battery subsystem is transmitted to fuel cell subsystem is converted into fuel cell subsystem
(electric energy) by the second DC-DC converter between fuel cell subsystem and main motor controller, can will similarly fire
Voltage (electric energy) needed for the voltage (electric energy) that material battery subsystem is transmitted to main motor controller is converted into main motor controller；
Wherein.The specification of first DC-DC converter and the second DC-DC converter selects according to the actual situation.
Specifically, as shown in Figures 2 and 3, the first DC-DC converter in the present embodiment is the DC-DC converter of 24V,
Second DC-DC converter is DC-DC booster, the 110V voltage that fuel cell subsystem exports can be converted into 540V high
Pressure.
Specifically, as shown in Fig. 2, All-in-One controller is the integrated mould of relay, fuse and resistance in the present embodiment
Block, All-in-One controller further include first fuse, i.e. fuse F8 in Fig. 2, lithium dynamical battery subsystem pass sequentially through after
Electric appliance K10 and fuse F8 are electrically connected with fuel cell subsystem.
Specifically, as shown in Fig. 2, the electric automobile high-voltage distribution system based on fuel cell in the present embodiment further includes
Battery, i.e. 12V battery in Fig. 2；All-in-One controller further includes the 5th contactor, second fuse and third fusing
Device, i.e., relay K4, fuse F4 and fuse F5 in respectively Fig. 2, lithium dynamical battery subsystem pass sequentially through relay
K4 and fuse F4 are electrically connected with the first DC-DC converter, and lithium dynamical battery subsystem also passes sequentially through relay K4 and fusing
Device F5 is electrically connected with the first DC-DC converter, and lithium dynamical battery subsystem also passes sequentially through relay K4 and fuse F5 and stores
Battery electrical connection.
Specifically, as shown in Fig. 2, further including load in the present embodiment, such as such as the electric air-conditioning and electric heating wind in Fig. 2；It is more
In-one controller further includes the 6th contactor, the 4th fuse and the 5th fuse, i.e., relay K3 in respectively Fig. 2, molten
Disconnected device F2 and fuse F3, lithium dynamical battery subsystem pass sequentially through relay K1, relay K3 and fuse F3 and electric heating wind
Electrical connection, lithium dynamical battery subsystem pass sequentially through relay K1 and fuse F2 and are electrically connected with electric air-conditioning.
Specifically, the specifications and models of above-mentioned relay and fuse are as follows in the present embodiment:
Relay K3:HFE18V-20/750-12-H2；
Relay K4:HFE18V-40/750-12-HL5 (634)；
Fuse F8:JDA07-150A/700Vdc；
Fuse F3, fuse F4 and fuse F5:HBE06-32A/700VDC；
Fuse F2:HBE06-40A/700VDC.
It should be noted that above-mentioned K3 and K4 are defaulted as off-state, after main motor controller completion high pressure powers on,
It is closed state and/or after fuel cell subsystem completion high pressure powers on.
Embodiment two, as shown in figure 4, a kind of electric automobile high-voltage power distribution control method based on fuel cell, is applied to
A kind of electric automobile high-voltage distribution system based on fuel cell of the invention, comprising the following steps:
S1A: according to the key enabled instruction got, the preliminary filling resistance is controlled by the All-in-One controller and is set
It is set to first precharging state, and preliminary filling is powered on to the main motor controller by the lithium dynamical battery subsystem；Institute
It states after main motor controller powers on preliminary filling, passes through the driving motor outside the dynamic Control that the lithium dynamical battery subsystem provides
And/or loaded work piece；
S2A: instructing according to the fuel cell start-up got, controls the preliminary filling resistance by the All-in-One controller
It is arranged to second precharging state, and is powered on to the fuel cell subsystem by the lithium dynamical battery subsystem pre-
It fills；After fuel cell subsystem powers on preliminary filling, Xiang Suoshu main motor controller power is provided with control external driving motor and/
Or loaded work piece.
The precharging state that preliminary filling resistance is controlled by All-in-One controller is first begin to realize that vehicle gives main motor controller
Power on preliminary filling, at this time there are no start starting fluid battery subsystem, power resources are in lithium dynamical battery subsystem；Work as acquisition
To after fuel cell start-up instruction, that is, when needing starting fluid battery, the preliminary filling of preliminary filling resistance is controlled by All-in-One controller
State, i.e. realization vehicle start to the preliminary filling that powers on of fuel cell subsystem, and power resources are in lithium dynamical battery subsystem；This reality
Apply the electric automobile high-voltage power distribution control method based on fuel cell of example, fuel cell subsystem and main motor controller MCU
Preliminary filling resistance share, it is only necessary to a preliminary filling resistance effectively saves the use of the independent preliminary filling resistance of fuel cell subsystem,
Cost caused by additional increase preliminary filling resistance is saved, it can be achieved that while completing preliminary filling to main motor controller MCU, can be selected
Correspondingly preliminary filling is also carried out to selecting property to fuel cell subsystem, has been truly realized the mutually indepedent of two subsystems, without single
Distribution solely is carried out for fuel cell, it is integrated higher, facilitate the arrangement of interior space.
Preferably, as shown in figure 5, in S1A, after the main motor controller powers on preliminary filling further include:
S1B: when the main motor controller power on preliminary filling after the completion of, pass through the All-in-One controller and control the master
The high pressure of electric machine controller powers on；After the completion of the high pressure of the main motor controller powers on, pass through the All-in-One controller
The off state for controlling the preliminary filling resistance completes the high voltage power distribution of the main motor controller；
As shown in figure 5, in S2A, after the fuel cell subsystem powers on preliminary filling further include:
S2B: when the fuel cell subsystem power on preliminary filling after the completion of, by the All-in-One controller control described in
The high pressure of fuel cell subsystem powers on；After the completion of the high pressure of the fuel cell subsystem powers on, pass through the All-in-One
Controller controls the off state of the preliminary filling resistance, completes the high voltage power distribution of the fuel cell subsystem.
The off state of preliminary filling resistance includes the first off state and the second off state, pre- due to working as main motor controller
After the completion of filling electricity with, main motor controller progress high pressure can be controlled by All-in-One controller and is powered on, power resources are dynamic in lithium
Power battery subsystem participates in the energy supply of main motor controller without preliminary filling resistance after main motor controller, which completes high pressure, to be powered on,
Therefore the first off state will can be set by preliminary filling resistance by All-in-One controller；And when fuel cell subsystem is filled in advance
It after the completion of electricity, also needs to power on fuel cell subsystem progress high pressure, similarly, when fuel cell subsystem is completed in high pressure
After electricity, the energy supply of fuel cell subsystem is participated in without preliminary filling resistance, therefore can will be by All-in-One controller by preliminary filling resistance
It is set as the second off state；By above-mentioned first off state and the second off state, it can be achieved that only needing a precharge
Resistance selectively can be carried out also to fuel cell subsystem correspondingly pre- while main motor controller MCU completes preliminary filling
It fills, has been truly realized the mutually indepedent of two subsystems.
Preferably, the All-in-One controller includes first contactor, second contactor, third contactor and the 4th contact
Device；The precharging state of the preliminary filling resistance includes the first precharging state and the second precharging state, the breaking shape of the preliminary filling resistance
State includes the first off state and the second off state；
Then in S1A, the precharging state of the preliminary filling resistance is controlled by the All-in-One controller, and pass through the lithium
Power battery subsystem carries out powering on the specific of preliminary filling according to the precharging state of the preliminary filling resistance to the main motor controller
It realizes are as follows:
After getting key enabled instruction, the first contactor receives the first close command, so that the precharge
Resistance is arranged to first precharging state；
The lithium dynamical battery subsystem is according to first precharging state of the preliminary filling resistance to the main motor control
Device processed carries out powering on preliminary filling；
The then specific implementation of S1B are as follows:
When the first preliminary filling electric current that the main motor controller powers on preliminary filling is more than the first preliminary filling current threshold, described
Two contactors receive the second close command, so that the main motor controller carries out high pressure and powers on；
When the first high-tension current that the main motor controller high pressure powers on is more than the first high-tension current threshold value, described
One contactor receives the first open command and completes the master so that the preliminary filling resistance is arranged to first off state
The high voltage power distribution of electric machine controller；
Then in S2A, the precharging state of the preliminary filling resistance is controlled by the All-in-One controller, and pass through the lithium
Power battery subsystem power on to the fuel cell subsystem tool of preliminary filling according to the precharging state of the preliminary filling resistance
Body is realized are as follows:
After getting fuel cell start-up instruction, the third contactor receives third close command, so that described pre-
Charging resistance is arranged to second precharging state；
The then specific implementation of S2B are as follows:
It is described when the second preliminary filling electric current that the fuel cell subsystem powers on preliminary filling is more than the second preliminary filling current threshold
4th contactor receives the 4th close command, so that the fuel cell subsystem carries out high pressure and powers on；
It is described when the second high-tension current that the fuel cell subsystem high pressure powers on is more than the second high-tension current threshold value
The second open command of third contactor completes the fuel so that the preliminary filling resistance is arranged to second off state
The high voltage power distribution of battery subsystem.
By above-mentioned rate-determining steps, can smoothly complete main motor controller power on preliminary filling and high pressure power on it is same
When, also smoothly complete fuel cell subsystem power on preliminary filling and high pressure powers on, can guarantee lithium dynamical battery subsystem be
The lasting energy supply of main motor controller, it is ensured that fuel cell subsystem is the lasting energy supply of main electric machine controller, is giving main electricity
While machine controller completes preliminary filling, correspondingly preliminary filling also selectively can be carried out to fuel cell subsystem, accomplish two
The independence of system preliminary filling；And shared by the preliminary filling resistance of main motor controller and the preliminary filling resistance of fuel cell subsystem, subtract
The use for having lacked the independent preliminary filling resistance of fuel cell subsystem saves cost caused by additional increase preliminary filling resistance, without single
Distribution solely is carried out for fuel cell, it is integrated higher, facilitate the arrangement of interior space.
It should be noted that key enabled instruction, fuel enabled instruction in the present embodiment, the first close command, second
Close command, third close command, the 4th close command, the first open command and the second open command, either vehicle control
What device processed was sent, it can also be what user sent manually.Preferably, further comprising the steps of later in S2B:
S3: when the fuel cell subsystem breaks down, the 4th contactor receives third open command, so that
The preliminary filling resistance is re-set as first off state.
By the rate-determining steps of above-mentioned S3, fuel cell subsystem preliminary filling power on, high pressure powers on or operational process in,
After there is fuel cell subsystem failure, the energy that hydrogen fuel cell can be selectively cut off by All-in-One controller is supplied
It gives, only allows lithium dynamical battery subsystem to provide power, avoid and cause vehicle normal because of fuel cell subsystem failure
The problem of traveling, ensure that the safety of vehicle operation；Wherein, third open command either entire car controller send,
It is also possible to what user directly transmitted manually.
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 (9)
1. a kind of electric automobile high-voltage distribution system based on fuel cell, which is characterized in that including main motor controller (10),
Fuel cell subsystem (20), lithium dynamical battery subsystem (30), All-in-One controller (50) and a preliminary filling resistance (40)；
The All-in-One controller (50), for controlling the precharging state of the preliminary filling resistance (40)；
The lithium dynamical battery subsystem (30), for the precharging state according to the preliminary filling resistance (40) to the main motor control
Device (10) processed or the fuel cell subsystem (20) carry out powering on preliminary filling, are also used to power in the main motor controller (10)
After preliminary filling, power is provided for the main motor controller (10)；
The main motor controller (10), for controlling external driving motor and/or loaded work piece after powering on preliminary filling；
The fuel cell subsystem (20), for being that the main motor controller (10) provides power after powering on preliminary filling.
2. the electric automobile high-voltage distribution system according to claim 1 based on fuel cell, which is characterized in that described more
In-one controller (50) is also used to, and after the main motor controller (10) completes to power on preliminary filling, controls the main motor control
Device (10) high pressure powers on, and/or, after the fuel cell subsystem (20) complete to power on preliminary filling, control the fuel cell
Subsystem (20) high pressure powers on, and completes height in the main motor controller (10) and/or the fuel cell subsystem (20)
Pressure controls the preliminary filling resistance (40) after powering on and is in off state.
3. the electric automobile high-voltage distribution system according to claim 2 based on fuel cell, which is characterized in that described more
In-one controller (50) includes first contactor (501), second contactor (502), third contactor (503) and the 4th contactor
(504)；The precharging state of the preliminary filling resistance (40) includes the first precharging state and the second precharging state, the preliminary filling resistance
(40) off state includes the first off state and the second off state；
The first contactor (501), for the first close command being received, so that described after getting key enabled instruction
Preliminary filling resistance (40) is arranged to first precharging state；
The second contactor (502), the first preliminary filling electric current for powering on preliminary filling when the main motor controller (10) are more than
When the first preliminary filling current threshold, the second close command is received, so that the main motor controller (10) carries out high pressure and powers on；
The first contactor (501), the first high-tension current for being also used to power on when main motor controller (10) high pressure are super
When crossing the first high-tension current threshold value, the first open command is received, is broken so that the preliminary filling resistance (40) is arranged to described first
Line state；
The third contactor (503), for receiving third close command after getting fuel cell start-up instruction,
So that the preliminary filling resistance (40) is arranged to second precharging state；
4th contactor (504), the second preliminary filling electric current for powering on preliminary filling when the fuel cell subsystem (20) are super
When crossing the second preliminary filling current threshold, the 4th close command is received, so that the fuel cell subsystem (20) carries out high pressure and powers on；
The third contactor (503) is also used to the second high-tension current when the fuel cell subsystem (20) high pressure powers on
When more than the second high-tension current threshold value, the second open command is received, so that the preliminary filling resistance (40) is arranged to described second
Off state.
4. the electric automobile high-voltage distribution system according to claim 3 based on fuel cell, which is characterized in that described
Four contactors (504) also particularly useful for:
When the fuel cell subsystem (20) breaks down, third open command is received, so that the preliminary filling resistance (40)
It is re-set as first off state.
5. the electric automobile high-voltage distribution system according to any one of claims 1 to 4 based on fuel cell, feature exist
In further including that electric energy for transmitting lithium dynamical battery subsystem (30) the Xiang Suoshu fuel cell subsystem (20) carries out
The first DC-DC converter (60) of transformation,
And/or for the electric energy that the fuel cell subsystem (20) Xiang Suoshu main motor controller (10) transmits to be become
The second DC-DC converter (70) changed.
6. a kind of electric automobile high-voltage power distribution control method based on fuel cell, which is characterized in that be applied to claim 1 to
5 described in any item electric automobile high-voltage distribution systems based on fuel cell, comprising the following steps:
The precharging state of the preliminary filling resistance is controlled by the All-in-One controller, and passes through the lithium dynamical battery subsystem
The main motor controller is carried out powering on preliminary filling according to the precharging state of the preliminary filling resistance；The main motor controller powers on
After preliminary filling, pass through the driving motor and/or loaded work piece outside the dynamic Control of lithium dynamical battery subsystem offer；
The precharging state of the preliminary filling resistance is controlled by the All-in-One controller, and passes through the lithium dynamical battery subsystem
The fuel cell subsystem is carried out to power on preliminary filling according to the precharging state of the preliminary filling resistance；Fuel cell subsystem powers on
After preliminary filling, Xiang Suoshu main motor controller provides power to control external driving motor and/or loaded work piece.
7. the electric automobile high-voltage power distribution control method according to claim 6 based on fuel cell, which is characterized in that In
The lithium dynamical battery subsystem power on to the main motor controller further comprising the steps of after preliminary filling:
When the main motor controller power on preliminary filling after the completion of, pass through the All-in-One controller and control main motor control
The high pressure of device powers on；After the completion of the high pressure of the main motor controller powers on, by described in All-in-One controller control
Preliminary filling resistance is in off state, completes the high voltage power distribution of the main motor controller；
It is further comprising the steps of after the lithium dynamical battery subsystem powers on preliminary filling to the fuel cell subsystem:
When the fuel cell subsystem power on preliminary filling after the completion of, pass through the All-in-One controller and control the fuel cell
The high pressure of subsystem powers on；After the completion of the high pressure of the fuel cell subsystem powers on, pass through the All-in-One controller control
It makes the preliminary filling resistance and is in off state, complete the high voltage power distribution of the fuel cell subsystem.
8. the electric automobile high-voltage power distribution control method according to claim 7 based on fuel cell, which is characterized in that institute
Stating All-in-One controller includes first contactor, second contactor, third contactor and the 4th contactor；The preliminary filling resistance
Precharging state includes the first precharging state and the second precharging state, and the off state of the preliminary filling resistance includes the first off state
With the second off state；
The precharging state of the preliminary filling resistance is then controlled by the All-in-One controller, and passes through the lithium dynamical battery subsystem
System power on to the main motor controller specific implementation of preliminary filling according to the precharging state of the preliminary filling resistance are as follows:
After getting key enabled instruction, the first contactor receives the first close command, so that the preliminary filling resistance quilt
It is set as first precharging state；
The lithium dynamical battery subsystem is according to first precharging state of the preliminary filling resistance to the main motor controller
It carries out powering on preliminary filling；
Then complete the specific implementation of the high voltage power distribution of the main motor controller are as follows:
When the first preliminary filling electric current that the main motor controller powers on preliminary filling is more than the first preliminary filling current threshold, described second is connect
Tentaculum receives the second close command, so that the main motor controller carries out high pressure and powers on；
When the first high-tension current that the main motor controller high pressure powers on is more than the first high-tension current threshold value, described first is connect
Tentaculum receives the first open command and completes the main motor so that the preliminary filling resistance is arranged to first off state
The high voltage power distribution of controller；
The precharging state of the preliminary filling resistance is then controlled by the All-in-One controller, and passes through the lithium dynamical battery subsystem
System power on to the fuel cell subsystem specific implementation of preliminary filling according to the precharging state of the preliminary filling resistance are as follows:
After getting fuel cell start-up instruction, the third contactor receives third close command, so that the precharge
Resistance is arranged to second precharging state；
The lithium dynamical battery subsystem is according to second precharging state of the preliminary filling resistance to the fuel cell subsystem
System carries out powering on preliminary filling；Then complete the specific implementation of the high voltage power distribution of the fuel cell subsystem are as follows:
When the second preliminary filling electric current that the fuel cell subsystem powers on preliminary filling is more than the second preliminary filling current threshold, the described 4th
Contactor receives the 4th close command, so that the fuel cell subsystem carries out high pressure and powers on；
When the second high-tension current that the fuel cell subsystem high pressure powers on is more than the second high-tension current threshold value, the third
Contactor receives the second open command and completes the fuel so that the preliminary filling resistance is arranged to second off state
The high voltage power distribution of battery subsystem.
9. the electric automobile high-voltage power distribution control method according to claim 8 based on fuel cell, which is characterized in that In
It completes further comprising the steps of after the high voltage power distribution of the fuel cell subsystem:
When the fuel cell subsystem breaks down, the 4th contactor receives third open command, so that described pre-
Charging resistance is re-set as first off state.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112977175A (en) * | 2021-03-19 | 2021-06-18 | 黄冈格罗夫氢能汽车有限公司 | Pre-charging system for hydrogen energy automobile fuel cell bus |
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