CN107323275A - A kind of vehicle for including energy storage device - Google Patents
A kind of vehicle for including energy storage device Download PDFInfo
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- CN107323275A CN107323275A CN201710332861.3A CN201710332861A CN107323275A CN 107323275 A CN107323275 A CN 107323275A CN 201710332861 A CN201710332861 A CN 201710332861A CN 107323275 A CN107323275 A CN 107323275A
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- Prior art keywords
- switch
- energy storage
- storage device
- temperature
- thermal source
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- 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
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- 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
Abstract
The invention discloses a kind of batteries of electric automobile protection system, the vehicle comprising energy storage device, it includes：Multiple energy storage devices, motor, in-car electronic equipment, multiple converters, switch and controller, multiple energy storage devices are motor and in-car power electronic equipment by multiple converters, controller responds the fault condition detected and multiple energy storage devices is discharged or progress energy transfer, it can realize when detecting accident, the rapid energy reduced in battery, the energy in battery pack is reduced using quick cooling system, energy transfer in battery can quickly be carried out to single Large Copacity energy storage device, and the energy storage device is cooled down, other batteries can be transferred to the heat for preventing certain block from damaging battery generation, these adjacent cells are caused to undergo identical exothermic reaction, so that chain hazardous reaction spreads.
Description
Technical field
The present invention relates to a kind of vehicle for including energy storage device, and in particular to in-car battery control and protection.
Background technology
New-energy electric vehicle increasingly becomes automobile market main flow, however, electric automobile generally utilizes high-energy-density
Battery is driven, however, when colliding or when living through many heat or mechanical stress, high energy density cells are being referred to as
Its energy may be discharged in the dangerous exothermic reaction of thermal runaway uncontrollablely and explodes or catches fire, is led between in-car battery
Often closer to the distance, therefore, the thermal energy that one piece of damage battery is generated can be transferred to other batteries, cause these adjacent cells to pass through
Identical exothermic reaction is gone through, so that chain hazardous reaction spreads.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, a kind of vehicle for including energy storage device, Ke Yishi are invented
Now when detecting accident, the rapid energy reduced in battery reduces the energy in battery pack using quick cooling system, can be with
The quick energy transfer carried out in battery is cooled down to single Large Copacity energy storage device, and to the energy storage device, to prevent
The heat that certain block damages battery generation can be transferred to other batteries, cause these adjacent cells to undergo identical exothermic reaction, from
And spread chain hazardous reaction.
A kind of vehicle for including energy storage device, it includes：Multiple energy storage devices, motor, in-car electronic equipment, multiple conversion
Device, switch and controller, it is characterised in that：Multiple energy storage devices are that motor and in-car electronic equipment are supplied by multiple converters
Electricity, controller responds the fault condition detected and multiple energy storage devices is discharged or progress energy transfer.
Vehicle comprising energy storage device also includes collision detection sensor, and collision detection sensor is used for whether detecting vehicle
Collision will be collided or had occurred and that, and will be sent testing result as fault condition to controller.
Vehicle comprising energy storage device also includes multiple resistance and multiple switch, the fault condition that controller response is detected
And switch is closed, energy storage device is discharged by the discharge loop comprising energy storage device, switch and resistance.
Vehicle comprising energy storage device also includes Large Copacity energy storage device, and controller responds the fault condition detected and made
Energy transfer loop conducting comprising switch, converter, energy storage device and Large Copacity energy storage device, the energy of energy storage device is turned
Move in Large Copacity energy storage device.
User combines own situation and inputs user instruction to controller after breaking down, and the user instruction is divided to two kinds：One
It is repid discharge instruction to plant, and another is quick progress energy transfer instruction, and when instruction is repid discharge instruction, controller rings
The fault condition that should detect and close switch, energy storage is filled by the discharge loop comprising energy storage device, switch and resistance
Electricity is put, and the state-of-charge of each energy storage device is reduced to below first threshold, when instruction is quickly to carry out energy transfer
During instruction, controller disconnects discharge loop, makes the loop for including switch, converter, energy storage device and Large Copacity energy storage device
Conducting, by the energy transfer of energy storage device into Large Copacity energy storage device, and the state-of-charge of each energy storage device is reduced to
Below Second Threshold.
Vehicle comprising energy storage device also includes cooling system, and cooling system is used to cool down in-car thermal source, works as car
When not breaking down, thermal source thermal source is multiple energy storage devices and multiple converters, when vehicle breaks down and discharge loop is led
When logical, thermal source is the resistance and energy storage device in discharge loop, when vehicle breaks down and energy transfer loop is turned on, thermal source
For the energy storage device in energy transfer loop, Large Copacity energy storage device and converter.
Cooling system includes two heat-radiation loops, when the first heat-radiation loop is insufficient for thermal source and thermal source local environment
When temperature is reduced to below secure threshold, starts the second heat-radiation loop, entered simultaneously by the first heat-radiation loop and the second heat-radiation loop
Row cooling, if the first heat-radiation loop and the second heat-radiation loop are still reduced insufficient for the temperature of thermal source and thermal source local environment
Below to secure threshold and when discharge loop is turned on, breaking part discharge loop, if the first heat-radiation loop and second radiates back
When temperature of the road still insufficient for thermal source and thermal source local environment is reduced to below secure threshold and energy transfer loop is turned on,
Controller reduces the power output of converter to reduce the caloric value of thermal source.
When controller responds the fault condition detected, it is by switching energy storage device by being connected in series State Transferring
It is connected in parallel after state, failure, will causes the less multiple cell parallels of dump energy after multiple electric discharges by switching control
Get up, to in-car power electronic equipment, realize in the case where battery explosion risk is relatively low there is provided emergency standby power, or it is logical
There is provided emergency standby power for the energy crossed in single Large Copacity energy storage device.
Multiple energy storage devices are energy storage device 100, energy storage device 101 and energy storage device 102, multiple DC-to-dcs respectively
Converter is DC dc converter 104 respectively and DC dc converter 105, multiple switch are switch 111, switch respectively
112nd, switch 113, switch 114, switch 115, switch 116, switch 117, switch 118, switch 119, switch 120, switch 121,
Switch 124 and switch 125；Energy storage device 100 is connected with switch 114, and 114 other ends of switch are connected with switch 111, switch 111
The other end is connected with resistance 108, and the other end of resistance 108 is connected with switch 114；Energy storage device 101 is connected with switch 115, switchs
115 other ends are connected with switch 112, and 112 other ends of switch are connected with resistance 109, and the other end of resistance 109 is connected with switch 115；
Energy storage device 102 is connected with switch 116, and 116 other ends of switch are connected with switch 113,113 other ends of switch and the phase of resistance 110
Even, the other end of resistance 110 is connected with switch 116；Switch 124 one end difference connecting valve 111 and switch 120, other end connection
Dc bus 122,125 one end of switch connect resistance 110 and switch 120, other end connection dc bus 123, switch 120 respectively
It is connected with DC dc converter 104, DC dc converter 104 is connected with motor 106, connection direct current in 121 one end of switch is female
Line 122, other end connection dc bus 123, switch 121 other ends connection DC dc converter 105, DC dc converter
105 other ends connection Large Copacity energy storage device 103, the difference of controller 107 connecting valve 111, switch 112, switch 113, switch
114th, switch 115, switch 116, switch 117, switch 118, switch 119, switch 120, switch 121, switch 124, switch 125,
DC dc converter 104 and DC dc converter 105, in-car electronic equipment 126 respectively with DC dc converter 104 and
Motor 106 is connected, when collision detection sensor, which is not detected by collision accident, to be occurred, the controlling switch 114 of controller 107, switch
115th, switch 116 and switch 120 are closed, and other to switch off, energy storage device 100, energy storage device 101 and energy storage device 102 are gone here and there
Through DC dc converter 104 it is in-car electricity consumption load supplying after connection, when collision detection sensor detects collision accident
And instruction for repid discharge instruction when, the controlling switch 114 of controller 107, switch 115, switch 116, switch 111, switch 112 and
Switch 113 is closed, and other to switch off, energy storage device 100 is discharged by resistance 108, and energy storage device 101 is put by resistance 109
Electricity, energy storage device 102 is discharged by resistance 110, and when collision detection sensor is detected, collision accident occurs and instruction is quick
When carrying out energy transfer instruction, the controlling switch 117 of controller 107, switch 118, switch 119 and switch 121 are closed, other switches
Disconnect, dc bus and DC dc converter are passed through after energy storage device 100, energy storage device 101 and the parallel connection of energy storage device 102
105 pairs of Large Copacity energy storage devices charge.
Cooling system includes cooler, multiple valves, coolant pump, cooling system controller, multiple temperature sensors, pressure
Contracting machine and condenser, thermal source 200 are connected by heat pipe with cooler 201, and cooler 201 is connected by heat pipe with valve 202, valve
Door 202 is connected by heat pipe with coolant pump 203, and coolant pump 203 is connected by heat pipe with thermal source, and cooler 201 passes through heat
Pipe is connected with compressor 206, and compressor 206 is connected by heat pipe with cooler 207, and cooler 207 passes through heat pipe and valve 208
It is connected, valve 208 is connected by heat pipe with cooler 201, temperature sensor 209 is used for the temperature for detecting thermal source 200, temperature is passed
Sensor 210 is used to detect environment temperature, and environment temperature is the temperature of thermal source local environment temperature or the storage silo, TEMP
Device 204 is used to detect coolant temperature, when collision detection sensor, which is not detected by collision accident, to be occurred, energy storage device 100, storage
Energy device 101 and energy storage device 102 are thermal source, and when collision detection sensor is detected, collision accident occurs and instruction is quickly to put
During electricity instruction, energy storage device 100, energy storage device 101, energy storage device 102, resistance 108, resistance 109 and resistance 110 are thermal source,
When collision detection sensor detects collision accident generation and instruction is quick progress energy transfer instruction, energy storage device 100,
Energy storage device 101, energy storage device 102, DC dc converter 105 and Large Copacity energy storage device 103 are thermal source, and cooling system is pressed
The temperature of thermal source and thermal source local environment, step 301 are adjusted according to following manner）The temperature of thermal source body is detected by temperature sensor
Degree, and detection temperature value is sent to cooling system controller；Step 302）Cooling system controller judges the temperature of thermal source body
Whether degree is higher than safe temperature；Then enter step 303, step 303 when the temperature of thermal source body is higher than safe temperature）Cooling system
Controller adjusts the first heat-radiation loop valve until thermal source body temperature is in safe temperature range；When the temperature of thermal source body
Then enter step 304, step 304 less than safe temperature）The temperature of thermal source local environment is detected by temperature sensor, and will inspection
Thermometric angle value is sent to cooling controller；Step 305）Cooling system controller judge thermal source body local environment temperature whether
Higher than safe temperature；Then enter step 308 when the temperature of thermal source body local environment is less than safe temperature；When residing for thermal source body
The temperature of environment then enters step 306 higher than safe temperature；Step 306）Cooling system controller increase coolant pump power is simultaneously
Judge whether the temperature of thermal source body local environment is higher than safe temperature；When the temperature of thermal source body local environment is less than safety temperature
Degree then enters step 308；Then enter step 307 when the temperature of thermal source body local environment is higher than safe temperature；Step 307）Sentence
Whether disconnected coolant pump power has reached maximum；When coolant pump power is not up to maximum then return to step 306, work as cooling
Liquid pump power reaches that maximum then enters step 309；Step 309）Start the second heat-radiation loop and detect ring residing for thermal source body
The temperature in border；Step 310）Cooling system controller adjusts the second heat-radiation loop valve and judges the temperature of thermal source body local environment
Whether degree is higher than safe temperature, if otherwise entering step 308, if then entering step 311；Step 311）Cooling system controller
Increase compressor horsepower simultaneously judges whether the temperature of thermal source body local environment is higher than safe temperature；If otherwise entering step 308,
If then entering step 312；Step 312）Whether compressor horsepower has reached maximum；If otherwise return to step 311, if then
Into step 313；Step 313）Breaking part discharge loop when discharge loop is turned on, when energy transfer loop is turned on, controller
The power output of converter is reduced until thermal source body and its local environment temperature are less than safe temperature.
Implement the batteries of electric automobile protection system of the present invention, have the advantages that, when occurring accident, pass through electric discharge
Resistance quickly reduces the energy in all batteries, the possibility that reduction high energy battery explodes；
Shifted by electricity, reduce the chance that monoblock battery when damaging enters thermal runaway state, reduction thermal runaway state will spread
The possibility of adjacent cells in organizing；Under automobile normal condition, cooled by battery cooling system for battery, electricity can be caused
Pond is operated in optimum Working, and lifts the service life of battery, the possibility that reduction battery thermal runaway occurs；Pass through battery
Discharged in series, parallel connection is discharged or electric charge transfer, to lift the service efficiency of battery, and lifts electric discharge and energy transfer effect
Rate；It can will cause the less multiple electricity of dump energy after multiple electric discharges by switching control in case of a fault or after accident
Pond is together in parallel, to in-car power electronic equipment, realizes that there is provided emergency power electricity in the case where battery explosion risk is relatively low
Source；Can be in failure conditions or after failure, using the energy in single Large Copacity energy storage device, there is provided emergency standby power；
Heat-sinking capability is increased by the setting of two-way heat-radiation loop, it is possible to adjust heat radiation power according to actual needs, saved energy
Amount can meet Large Copacity heat dissipation equipment, such as discharge resistance and discharge and recharge energy storage device again in failure conditions simultaneously, quickly
The demand of radiating；Pass through jointly controlling that refrigeration system and circuit are controlled so that even if cooling need can not be met in refrigeration system
When asking, the energy of thermal source release can also be adjusted by way of adjustment circuit, in-car energy storage device is thus kept and its residing
The temperature of environment is in safe range, and the possibility of battery thermal runaway failure occurs for further reduction.
Brief description of the drawings
Fig. 1 is in-car battery system schematic diagram.
Fig. 2 is in-car battery cooling system schematic diagram.
Fig. 3 a are the first heat-radiation loop control flow chart.
Fig. 3 b are the second heat-radiation loop control flow chart.
DC dc converter in Fig. 4 energy transfers loop realizes the circuit diagram of temperature control power.
Embodiment
Fig. 1 is in-car battery system schematic diagram：Multiple energy storage devices are energy storage device 100, energy storage device respectively in Fig. 1
101 and energy storage device 102, multiple DC-DC converters are DC dc converter 104 and DC dc converter respectively
105th, multiple switch is switch 111 respectively, switchs 112, switchs 113, switchs 114, switchs 115, switchs 116, switchs 117, opens
Close 118, switch 119, switch 120, switch 121, switch 124 and switch 125；Energy storage device 100 is connected with switch 114, switchs
114 other ends are connected with switch 111, and 111 other ends of switch are connected with resistance 108, and the other end of resistance 108 is connected with switch 114；
Energy storage device 101 is connected with switch 115, and 115 other ends of switch are connected with switch 112,112 other ends of switch and the phase of resistance 109
Even, the other end of resistance 109 is connected with switch 115；Energy storage device 102 is connected with switch 116,116 other ends of switch and switch 113
It is connected, 113 other ends of switch are connected with resistance 110, and the other end of resistance 110 is connected with switch 116；124 one end are switched respectively to connect
Switch 111 and switch 120 are connect, other end connection dc bus 122,125 one end of switch connect resistance 110 and switch 120 respectively,
The other end connects dc bus 123, and switch 120 is connected with DC dc converter 104, DC dc converter 104 and motor
106 are connected, and 121 one end of switch connection dc bus 122, other end connection dc bus 123, switch 121 other ends connection is straight
DC converter 105 is flowed, the other end of DC dc converter 105 connects Large Copacity energy storage device 103, and controller 107 connects respectively
Switch 111, switch 112 are connect, 113, switch 114, switch 115 is switched, switchs 116, switch 117, switch 118, switch 119, open
120, switch 121, switch 124, switch 125, DC dc converter 104 and DC dc converter 105 are closed, in-car electronics is set
Standby 126 are connected with DC dc converter 104 and motor 106 respectively, when collision detection sensor is not detected by collision accident hair
When raw, the controlling switch 114 of controller 107, switch 115, switch 116 and switch 120 are closed, other to switch off, energy storage device
100th, through DC dc converter 104 it is in-car electricity consumption load supplying after energy storage device 101 and energy storage device 102 are connected, when touching
Hit detection sensor and detect collision accident and occur and when instruction is repid discharge instruction, the controlling switch 114 of controller 107, open
Close 115, switch 116, switch 111, switch 112 and switch 113 to close, other to switch off, energy storage device 100 passes through resistance
108 electric discharges, energy storage device 101 is discharged by resistance 109, and energy storage device 102 is discharged by resistance 110, when collision detection sensing
Device, which detects collision accident, to be occurred and instructs to be the controlling switch 117 of controller 107, switch when quickly carrying out energy transfer instruction
118th, switch 119 and switch 121 are closed, and other to switch off, energy storage device 100, energy storage device 101 and energy storage device 102 are simultaneously
Large Copacity energy storage device is charged by dc bus and DC dc converter 105 after connection.
Fig. 2 is that cooling system includes in in-car battery cooling system schematic diagram, Fig. 2：Cooling system includes cooler, multiple
Valve, coolant pump, cooling system controller, multiple temperature sensors, compressor and condenser.Thermal source 200 by heat pipe with
Cooler 201 is connected, and cooler 201 is connected by heat pipe with valve 202, and valve 202 passes through heat pipe and the phase of coolant pump 203
Even, coolant pump 203 is connected by heat pipe with thermal source, and cooler 201 is connected by heat pipe with compressor 206, and compressor 206 leads to
Superheater tube is connected with cooler 207, and cooler 207 is connected by heat pipe with valve 208, and valve 208 passes through heat pipe and cooler
201 are connected, and temperature sensor 209 is used for the temperature for detecting thermal source 200, and temperature sensor 210 is used to detect environment temperature, environment
Temperature is the temperature of thermal source local environment temperature or the storage silo, and temperature sensor 204 is used to detect coolant temperature, when touching
Hit detection sensor be not detected by collision accident occur when, energy storage device 100, energy storage device 101 and energy storage device 102 for heat
Source, when collision detection sensor detects collision accident generation and instruction is repid discharge instruction, energy storage device 100, energy storage
Device 101, energy storage device 102, resistance 108, resistance 109 and resistance 110 are thermal source, when collision detection sensor detects collision
When accident occurs and instruction is quick progress energy transfer instruction, energy storage device 100, energy storage device 101, the and of energy storage device 102
Large Copacity energy storage device 103 is thermal source.
Fig. 3 a are the first heat-radiation loop control flow chart, and Fig. 3 b are the second heat-radiation loop control flow chart, and cooling system is pressed
The temperature of thermal source and thermal source local environment, step 301 are adjusted according to following manner）The temperature of thermal source body is detected by temperature sensor
Degree, and detection temperature value is sent to cooling system controller；Step 302）Cooling system controller judges the temperature of thermal source body
Whether degree is higher than safe temperature；Then enter step 303, step 303 when the temperature of thermal source body is higher than safe temperature）Cooling system
Controller adjusts the first heat-radiation loop valve until thermal source body temperature is in safe temperature range；When the temperature of thermal source body
Then enter step 304, step 304 less than safe temperature）The temperature of thermal source local environment is detected by temperature sensor, and will inspection
Thermometric angle value is sent to cooling controller；Step 305）Cooling system controller judge thermal source body local environment temperature whether
Higher than safe temperature；Then enter step 308 when the temperature of thermal source body local environment is less than safe temperature；When residing for thermal source body
The temperature of environment then enters step 306 higher than safe temperature；Step 306）Cooling system controller increase coolant pump power is simultaneously
Judge whether the temperature of thermal source body local environment is higher than safe temperature；When the temperature of thermal source body local environment is less than safety temperature
Degree then enters step 308；Then enter step 307 when the temperature of thermal source body local environment is higher than safe temperature；Step 307）Sentence
Whether disconnected coolant pump power has reached maximum；When coolant pump power is not up to maximum then return to step 306, work as cooling
Liquid pump power reaches that maximum then enters step 309；Step 309）Start the second heat-radiation loop and detect ring residing for thermal source body
The temperature in border；Step 310）Cooling system controller adjusts the second heat-radiation loop valve and judges the temperature of thermal source body local environment
Whether degree is higher than safe temperature, if otherwise entering step 308, if then entering step 311；Step 311）Cooling system controller
Increase compressor horsepower simultaneously judges whether the temperature of thermal source body local environment is higher than safe temperature；If otherwise entering step 308,
If then entering step 312；Step 312）Whether compressor horsepower has reached maximum；If otherwise return to step 311, if then
Into step 313；Step 313）Breaking part discharge loop when discharge loop is turned on, when energy transfer loop is turned on, controller
The power output of converter is reduced until thermal source body and its local environment temperature are less than safe temperature.
DC dc converter in Fig. 4 energy transfers loop realizes temperature control in the circuit diagram of temperature control power, Fig. 4
The circuit of power processed includes reference voltage input terminal 300, thermistor 301, resistance 302, resistance 303, electric capacity 304, resistance
305th, resistance 306, operational amplifier 307, resistance 308, electric capacity 309, resistance 310, resistance 311, resistance 312, accessory power supply are defeated
Enter end 313, resistance 314, electric capacity 315, three-terminal voltage-stabilizing pipe 316, resistance 317, optocoupler 318, resistance 319, pwm chip U1,
When the local environment temperature of thermistor 301 is too high, the increase of the resistance of thermistor 301 causes the partial pressure of resistance 302 smaller, resistance
After filter circuit of the voltage signal reduced on 302 by resistance 303 and the composition of electric capacity 304, input to operational amplifier 307,
After the signal amplification circuit that resistance 305 and resistance 306 are constituted, the filter circuit constituted through resistance 308 and electric capacity 309, input is extremely
The bleeder circuit that resistance 310 and resistance 312 are constituted, the voltage reduction of resistance 312, causes the electric current of optocoupler 317 to increase, passes through light
The 1 pin voltage reduction that coupling is delivered to primary side pwm chip U1, U1 can make its 6 pin export reduced PWM duty cycle signal extremely
DC dc converter, reduces power, the charge-discharge electric power of energy storage device of DC dc converter, thus reduce thermal source and
The temperature of its local environment.
The invention is not restricted to the disclosed embodiments and accompanying drawing, it is intended to which covering falls into each of spirit and scope of the present invention
Plant change and deform.
Claims (10)
1. a kind of vehicle for including energy storage device, it includes：Multiple energy storage devices, motor, in-car electronic equipment, multiple conversion
Device, switch and controller, it is characterised in that：Multiple energy storage devices are that motor and in-car electronic equipment are supplied by multiple converters
Electricity, controller responds the fault condition detected and multiple energy storage devices is discharged or progress energy transfer.
2. the vehicle according to claim 1 for including energy storage device, it is characterised in that：Vehicle comprising energy storage device is also wrapped
Collision detection sensor is included, collision detection sensor is used to detect whether vehicle will collide or have occurred and that collision, and
Sent testing result as fault condition to controller.
3. the vehicle according to claim 1 for including energy storage device, it is characterised in that：Vehicle comprising energy storage device is also wrapped
Include multiple resistance and multiple switch, the fault condition that controller response is detected and close switch, by comprising energy storage device,
The discharge loop of switch and resistance discharges energy storage device.
4. the vehicle according to claim 1 for including energy storage device, it is characterised in that：Vehicle comprising energy storage device is also wrapped
Large Copacity energy storage device is included, controller responds the fault condition detected and makes to include switch, converter, energy storage device and great Rong
The energy transfer loop conducting of energy storage device is measured, by the energy transfer of energy storage device into Large Copacity energy storage device.
5. the vehicle according to claim 1 for including energy storage device, it is characterised in that：User combines itself after breaking down
Situation inputs user instruction to controller, and the user instruction is divided to two kinds：One kind is repid discharge instruction, and another is quickly to enter
Row energy transfer is instructed, and when instruction is repid discharge instruction, controller responds the fault condition detected and closes switch,
Energy storage device is discharged by the discharge loop comprising energy storage device, switch and resistance, and by the charged shape of each energy storage device
State is reduced to below first threshold, and when instruction is quick progress energy transfer instruction, controller disconnects discharge loop, makes bag
Loop conducting containing switch, converter, energy storage device and Large Copacity energy storage device, by the energy transfer of energy storage device to Large Copacity
In energy storage device, and the state-of-charge of each energy storage device is reduced to below Second Threshold.
6. the vehicle according to claim 5 for including energy storage device, it is characterised in that：Vehicle comprising energy storage device is also wrapped
Cooling system is included, cooling system is used to cool down in-car thermal source, when vehicle does not break down, thermal source thermal source is multiple storages
Energy device and multiple converters, when vehicle breaks down and discharge loop is turned on, thermal source is the resistance in discharge loop and storage
Energy device, when vehicle breaks down and energy transfer loop is turned on, thermal source is the energy storage device in energy transfer loop, great Rong
Measure energy storage device and converter.
7. the vehicle according to claim 6 for including energy storage device, it is characterised in that：Cooling system radiates back including two
Road, when the first heat-radiation loop is reduced to below secure threshold insufficient for the temperature of thermal source and thermal source local environment, starts
Second heat-radiation loop, is cooled down, if the first heat-radiation loop and second simultaneously by the first heat-radiation loop and the second heat-radiation loop
Temperature of the heat-radiation loop still insufficient for thermal source and thermal source local environment is reduced to below secure threshold and discharge loop is turned on
When, breaking part discharge loop, if the first heat-radiation loop and the second heat-radiation loop are still insufficient for residing for thermal source and thermal source
The temperature of environment be reduced to below secure threshold and energy transfer loop conducting when, controller reduction converter power output with
Reduce the caloric value of thermal source.
8. the vehicle according to claim 5 for including energy storage device, it is characterised in that：When controller responds the event detected
During barrier condition, by switching energy storage device by being connected in series State Transferring to be connected in parallel after state, failure, pass through switch
Control will cause the less multiple cell parallels of dump energy after multiple electric discharges, to in-car power electronic equipment, realize
There is provided emergency standby power in the case that battery explosion risk is relatively low, or by the energy in single Large Copacity energy storage device, carry
For emergency standby power.
9. the vehicle according to claim 1 for including energy storage device, it is characterised in that：Multiple energy storage devices are energy storage respectively
Device（100）, energy storage device（101）And energy storage device（102）, multiple DC-DC converters are DC conversion respectively
Device（104）It is switch 111, switch 112, switch 113, switch 114, switch respectively with DC dc converter 105, multiple switch
115th, switch 116, switch 117, switch 118, switch 119, switch 120, switch 121, switch 124 and switch 125；Energy storage device
（100）It is connected with switch 114,114 other ends of switch are connected with switch 111,111 other ends of switch are connected with resistance 108, resistance
108 other ends are connected with switch 114；Energy storage device（101）It is connected with switch 115,115 other ends of switch are connected with switch 112,
Switch 112 other ends with resistance 109 to be connected, the other end of resistance 109 is connected with switch 115；Energy storage device（102）With switch 116
It is connected, 116 other ends of switch are connected with switch 113,113 other ends of switch are connected with resistance 110, and the other end of resistance 110 is with opening
116 are closed to be connected；Switch 124 one end difference connecting valve 111 and switch 120, other end connection dc bus 122, switch 125 1
End connects resistance 110 and switch 120, other end connection dc bus 123, switch 120 and DC dc converter respectively（104）
It is connected, DC dc converter（104）It is connected with motor 106,121 one end of switch connection dc bus, other end connection direct current
DC converter 105, the other end of DC dc converter 105 connection Large Copacity energy storage device（103）, controller 107 connects respectively
Switch 111, switch 112 are connect, 113, switch 114, switch 115 is switched, switchs 116, switch 117, switch 118, switch 119, open
Close 120, switch 121, switch 124, switch 125, DC dc converter（104）With DC dc converter 105, in-car electronics
Equipment 126 respectively with DC dc converter（104）It is connected with motor 106, when collision detection sensor is not detected by collision thing
Therefore when occurring, the controlling switch 114 of controller 107, switch 115, switch 116 and switch 120 are closed, other to switch off, energy storage
Device（100）, energy storage device（101）And energy storage device（102）Through DC dc converter after series connection（104）It is negative for in-car electricity consumption
Power supply is carried, when collision detection sensor detects collision accident generation and instruction is repid discharge instruction, controller 107 is controlled
Switch 114, switch 115, switch 116, switch 111, switch 112 and switch 113 are closed, other to switch off, energy storage device
（100）Discharged by resistance 108, energy storage device（101）Discharged by resistance 109, energy storage device（102）Put by resistance 110
Electricity, when collision detection sensor detects collision accident generation and instruction is quick progress energy transfer instruction, controller 107
Controlling switch 117, switch 118, switch 119 and switch 121 are closed, other to switch off, energy storage device（100）, energy storage device
（101）And energy storage device（102）Large Copacity energy storage device is carried out by dc bus and DC dc converter 105 after parallel connection
Charging.
10. the vehicle according to claim 6 for including energy storage device, it is characterised in that：Cooling system includes cooler, many
Individual valve, coolant pump, cooling system controller, multiple temperature sensors, compressor and condenser, thermal source 200 pass through heat pipe
It is connected with cooler 201, cooler 201 is connected by heat pipe with valve 202, valve 202 passes through heat pipe and the phase of coolant pump 203
Even, coolant pump 203 is connected by heat pipe with thermal source, and cooler 201 is connected by heat pipe with compressor 206, and compressor 206 leads to
Superheater tube is connected with cooler 207, and cooler 207 is connected by heat pipe with valve 208, and valve 208 passes through heat pipe and cooler
201 are connected, and temperature sensor 209 is used for the temperature for detecting thermal source 200, and temperature sensor 210 is used to detect environment temperature, environment
Temperature is the temperature of thermal source local environment temperature or the storage silo, and temperature sensor 204 is used to detect coolant temperature, when touching
Hit detection sensor be not detected by collision accident occur when, energy storage device（100）, energy storage device（101）And energy storage device（102）
For thermal source, when collision detection sensor detects collision accident generation and instruction is repid discharge instruction, energy storage device
（100）, energy storage device（101）, energy storage device（102）, resistance 108, resistance 109 and resistance 110 be thermal source, when collision detection is passed
Sensor, which detects collision accident, to be occurred and instructs to be energy storage device when quickly carrying out energy transfer instruction（100）, energy storage device
（101）, energy storage device（102）, DC dc converter 105 and Large Copacity energy storage device（103）For thermal source, cooling system according to
Following manner adjusts the temperature of thermal source and thermal source local environment, step 301）The temperature of thermal source body is detected by temperature sensor
Degree, and detection temperature value is sent to cooling system controller；Step 302）Cooling system controller judges the temperature of thermal source body
Whether degree is higher than safe temperature；If so, then entering step 303, step 303）Cooling system controller adjusts the first heat-radiation loop
Valve is until thermal source body temperature is in safe temperature range；If it is not, then entering step 304, step 304）Passed by temperature
Sensor detects the temperature of thermal source local environment, and detection temperature value is sent to cooling controller；Step 305）Cooling system control
Device processed judges whether the temperature of thermal source body local environment is higher than safe temperature；If it is not, then entering step 308；If so, then entering
Step 306；Step 306）Cooling system controller increases coolant pump power and judges that the temperature of thermal source body local environment is
It is no to be higher than safe temperature；If it is not, then entering step 308；When if so, then entering step 307；Step 307）Judge coolant pump work
Whether rate has reached maximum；If it is not, then return to step 306, if so, then entering step 309；Step 309）Start second to radiate
Loop and the temperature for detecting thermal source body local environment；Step 310）Cooling system controller adjusts the second heat-radiation loop valve simultaneously
Judge whether the temperature of thermal source body local environment is higher than safe temperature, if it is not, then entering step 308, if so, then entering step
311；Step 311）Cooling system controller increases compressor horsepower and judges whether the temperature of thermal source body local environment is higher than
Safe temperature；If it is not, then entering step 308, if so, then entering step 312；Step 312）Whether compressor horsepower has reached most
Big value；If it is not, then return to step 311, if so, then entering step 313；Step 308）Temperature adjustment terminates, step 313）Electric discharge
Loop turn on when breaking part discharge loop, energy transfer loop turn on when, controller reduction converter power output until
Thermal source body and its local environment temperature are less than safe temperature.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108973755A (en) * | 2018-08-20 | 2018-12-11 | 湖南福德电气有限公司 | New energy vehicle cell safety detection device, method, computer readable storage medium |
| CN109760498A (en) * | 2019-01-16 | 2019-05-17 | 淮安信息职业技术学院 | The emergency power supply device of new-energy automobile |
| CN110920397A (en) * | 2019-10-24 | 2020-03-27 | 浙江合众新能源汽车有限公司 | MCU voltage discharge method for electric system motor controller of electric automobile |
| CN113696733A (en) * | 2020-05-20 | 2021-11-26 | 三菱电机株式会社 | Power conversion device |
| CN114175353A (en) * | 2020-03-19 | 2022-03-11 | 广州汽车集团股份有限公司 | Method and device for preventing thermal runaway of battery and battery system |
| CN114600301A (en) * | 2020-09-23 | 2022-06-07 | 广州汽车集团股份有限公司 | Method and system for preventing thermal runaway of battery |
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| CN105216632A (en) * | 2014-06-30 | 2016-01-06 | 观致汽车有限公司 | For Vehicular battery group management system and method |
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| CN105216632A (en) * | 2014-06-30 | 2016-01-06 | 观致汽车有限公司 | For Vehicular battery group management system and method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973755A (en) * | 2018-08-20 | 2018-12-11 | 湖南福德电气有限公司 | New energy vehicle cell safety detection device, method, computer readable storage medium |
| CN109760498A (en) * | 2019-01-16 | 2019-05-17 | 淮安信息职业技术学院 | The emergency power supply device of new-energy automobile |
| CN110920397A (en) * | 2019-10-24 | 2020-03-27 | 浙江合众新能源汽车有限公司 | MCU voltage discharge method for electric system motor controller of electric automobile |
| CN110920397B (en) * | 2019-10-24 | 2021-03-23 | 浙江合众新能源汽车有限公司 | MCU voltage discharge method for electric system motor controller of electric automobile |
| CN114175353A (en) * | 2020-03-19 | 2022-03-11 | 广州汽车集团股份有限公司 | Method and device for preventing thermal runaway of battery and battery system |
| CN113696733A (en) * | 2020-05-20 | 2021-11-26 | 三菱电机株式会社 | Power conversion device |
| CN114600301A (en) * | 2020-09-23 | 2022-06-07 | 广州汽车集团股份有限公司 | Method and system for preventing thermal runaway of battery |
| CN114600301B (en) * | 2020-09-23 | 2023-08-15 | 广州汽车集团股份有限公司 | Method and system for preventing thermal runaway of battery |
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