CN107264305A - A kind of batteries of electric automobile protects system - Google Patents
A kind of batteries of electric automobile protects system Download PDFInfo
- Publication number
- CN107264305A CN107264305A CN201710332795.XA CN201710332795A CN107264305A CN 107264305 A CN107264305 A CN 107264305A CN 201710332795 A CN201710332795 A CN 201710332795A CN 107264305 A CN107264305 A CN 107264305A
- Authority
- CN
- China
- Prior art keywords
- switch
- energy storage
- storage device
- temperature
- thermal source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- 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
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- 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
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
System is protected the invention discloses a kind of batteries of electric automobile, it includes：Multiple energy storage devices, multiple DC dc converters, multiple switch, dc bus, controller, Large Copacity energy storage device, resistance, collision detection sensor and refrigeration system, 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
System is protected the present invention relates to a kind of batteries of electric automobile, 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 batteries of electric automobile protection system is invented, can be with
Realize that when detecting accident the rapid energy reduced in battery reduces the energy in battery pack using quick cooling system, can
Cooled down with quickly carrying out the energy transfer in battery to single Large Copacity energy storage device, and to the energy storage device, to prevent
Only the heat of certain block damage battery generation can be transferred to other batteries, cause these adjacent cells to undergo identical exothermic reaction,
So that chain hazardous reaction spreads.
A kind of batteries of electric automobile protects system, and it includes：It is multiple energy storage devices, multiple DC-DC converters, multiple
Switch, dc bus, controller, Large Copacity energy storage device, resistance, collision detection sensor and refrigeration system, it is characterised in that：
Collision detection sensor controller is used to sense whether electric automobile occurs accident, is touched when the collision detection sensor is detected
When hitting accident and occurring, controller by energy storage device by being connected in series State Transferring to be connected in parallel state, and closure switch are to lead
The logical discharge loop comprising energy storage device, switch and resistance discharges energy storage device, while starting refrigeration system, to energy storage
The storage silo of device, resistance and energy storage device is cooled down,
User combines own situation and inputs user instruction to controller after breaking down, and the user instruction is divided to two kinds：One kind is
Repid discharge is instructed, and another is quick progress energy transfer instruction, and when instruction is repid discharge instruction, discharge loop is kept
Channel status, continues through battery and energy storage device is discharged, until the dump energy of each energy storage device is less than the first threshold
Value, when instruction is quick progress energy transfer instruction, controller disconnects discharge loop, simultaneously turns on comprising multiple energy storage dress
Put, switch, the energy transfer loop of dc bus, DC dc converter and Large Copacity energy storage device so that multiple energy storage dresses
Put and Large Copacity energy storage device is charged, until the dump energy of each energy storage device is less than Second Threshold.
Cooling system includes cooler, multiple valves, coolant pump, cooling system controller, multiple temperature sensors, pressure
Contracting machine and condenser.
When not occurring accident, the first heat-radiation loop that cooler, valve, energy storage device thermal source and coolant pump are constituted is led
Logical, multiple temperature sensors detect energy storage device temperature and environment temperature respectively, cooling system controller according to energy storage device and
The power of the temperature of the storage silo of energy storage device, control valve angle of flow and coolant pump controls energy storage device and described deposited
The temperature of warehouse.
When the collision detection sensor, which detects collision accident, to be occurred, when instruction is repid discharge instruction, cooling
Device, valve, energy storage device and the thermal source of discharge resistance composition and the heat-radiation loop of coolant pump composition are turned on, control valve conducting
The power of angle and coolant pump controls the temperature of energy storage device and the storage silo, when by control valve angle of flow and
When the underpower of cooling pump is make it that the temperature of energy storage device and the storage silo is within reliability temperature threshold, cooling
The second heat-radiation loop conducting that device, compressor, condenser and valve are constituted, it is common by the first heat-radiation loop and the second heat-radiation loop
It is same to be radiated.
When the collision detection sensor, which detects collision accident, to be occurred, when instruction refers to for the quick energy transfer that carries out
Order, cooler, valve, energy storage device and the thermal source of Large Copacity energy storage device composition and the heat-radiation loop of coolant pump composition are led
Logical, the power of control valve angle of flow and coolant pump controls the temperature of energy storage device and the storage silo, is adjusted when passing through
The underpower of valve angle of flow and cooling pump is saved to cause energy storage device and the temperature of the storage silo to be in safe temperature
When within threshold value, the second heat-radiation loop conducting that cooler, compressor, condenser and valve are constituted passes through the first heat-radiation loop
Radiated jointly with the second heat-radiation loop, when the first heat-radiation loop valve angle of flow, the power of cooling pump, second are radiated back
The valve angle of flow on road and the power of compressor are adjusted to maximum, energy storage device, large-scale energy storage device and described deposit
Temperature of the warehouse still insufficient for energy storage device, Large Copacity energy storage device or the storage silo is within reliability temperature threshold
When, keep the first heat-radiation loop valve angle of flow, the power of cooling pump, the valve angle of flow of the second heat-radiation loop and compression
The power of machine is operated in maximum.
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 in-car electric loading 106,121 one end of switch connect
Dc bus 122 is connect, other end connection dc bus 123,121 other ends of switch connect DC dc converter 105, and direct current is straight
The other end of current converter 105 connection Large Copacity energy storage device 103, the difference of controller 107 connecting valve 111, switch 112, switch
113rd, switch 114, 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.
When collision detection sensor be not detected by collision accident occur when, the controlling switch 114 of controller 107, switch 115,
Switch 116 and switch 120 are closed, other to switch off, after energy storage device 100, energy storage device 101 and energy storage device 102 are connected
Through DC dc converter 104 be in-car electric loading 106 power, when collision detection sensor detect collision accident generation and
Instruct when being instructed for repid discharge, the controlling switch 114 of controller 107, switch 115, switch 116, switch 111, switch 112 and open
Close 113 to close, other to switch off, energy storage device 100 is discharged by resistance 108, and energy storage device 101 is discharged by resistance 109,
Energy storage device 102 is discharged by resistance 110, and when collision detection sensor is detected, collision accident occurs and instruction is quick progress
When energy transfer is instructed, the controlling switch 117 of controller 107, switch 118, switch 119 and switch 121 are closed, and other switches are disconnected
Open, dc bus and DC dc converter 105 are passed through after energy storage device 100, energy storage device 101 and the parallel connection of energy storage device 102
Large Copacity energy storage device is charged.
Thermal source 200 is connected by heat pipe with cooler 201, and cooler 201 is connected by heat pipe with valve 202, valve 202
It is connected by heat pipe with coolant pump 203, coolant pump 203 is connected by heat pipe with thermal source, cooler 201 passes through heat pipe and pressure
Contracting machine 206 is connected, and compressor 206 is connected by heat pipe with cooler 207, and cooler 207 is connected by heat pipe with valve 208,
Valve 208 is connected by heat pipe with cooler 201, and temperature sensor 209 is used for the temperature for detecting thermal source 200, temperature sensor
210 are used to detect environment temperature, and environment temperature is the temperature of thermal source local environment temperature or the storage silo, temperature sensor
204 are used to detect coolant temperature, when collision detection sensor, which is not detected by collision accident, to be occurred, energy storage device 100, energy storage
Device 101 and energy storage device 102 are thermal source, and when collision detection sensor is detected, collision accident occurs and instruction is repid discharge
During 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, which detects collision accident, to be occurred and instructs to be energy storage device 100, storage when quickly carrying out energy transfer instruction
Energy device 101, energy storage device 102 and Large Copacity energy storage device 103 are thermal source.
Cooling system adjusts the temperature of thermal source and thermal source local environment, step 301 as follows）Pass through TEMP
Device detects the temperature of thermal source body, and detection temperature value is sent to cooling system controller；Step 302）Cooling system is controlled
Device judges whether the temperature of thermal source body is higher than safe temperature；If so, then entering step 303, step 303）Cooling system is controlled
Device adjusts the first heat-radiation loop valve until thermal source body temperature is in safe temperature range；If it is not, then enter step 304,
Step 304）The temperature of thermal source local environment is detected by temperature sensor, and detection temperature value is sent to cooling controller；
Step 305）Cooling system controller 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 thermal source sheet
Whether the temperature of body local environment is higher than safe temperature；If it is not, then entering step 308；When if so, then entering step 307；Step
307）Judge whether coolant pump power has reached maximum；If it is not, then return to step 306, if so, then entering step 309；Step
Rapid 309）Start the second heat-radiation loop and detect the temperature of thermal source body local environment；Step 310）Cooling system controller is adjusted
Second heat-radiation loop valve simultaneously 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 311；Step 311）Cooling system controller increases compressor horsepower and judged residing for thermal source body
Whether the temperature of environment is higher than safe temperature；If it is not, then entering step 308, if so, then entering step 312；Step 312）Compression
Whether acc power has reached maximum；If it is not, then return to step 311, if so, then entering step 313；Step 308）Temperature adjustment
Terminate.
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.
Brief description of the drawings
Fig. 1 is that batteries of electric automobile protects systematic 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.
Embodiment
Fig. 1 is that batteries of electric automobile protects systematic schematic diagram：Batteries of electric automobile protection system includes in Fig. 1：Multiple storages
Can device, multiple DC-DC converters, multiple switch, dc bus, controller, Large Copacity energy storage device, resistance, collision
Detection sensor and refrigeration system, it is characterised in that：Collision detection sensor controller is used to sense whether electric automobile occurs
Accident, when the collision detection sensor, which detects collision accident, to be occurred, controller is by energy storage device by being connected in series state
The state of being connected in parallel is converted to, and closure switch are filled with turning on the discharge loop for including energy storage device, switch and resistance to energy storage
Put and discharged, while starting refrigeration system, the storage silo to energy storage device, resistance and energy storage device is cooled down.Multiple storages
Energy device is energy storage device 100, energy storage device 101 and energy storage device 102 respectively, and multiple DC-DC converters are straight respectively
Stream DC converter 104 and DC dc converter 105, multiple switch are switch 111, switch 112, switch 113, switch respectively
114th, 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 111,111 other ends of switch and the phase of resistance 108
Even, the other end of resistance 108 is connected with switch 114；Energy storage device 101 is connected with switch 115,115 other ends of switch and switch 112
It is connected, 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 and switch
116 are connected, and 116 other ends of switch 113 are connected with switch, switch 113 other ends and are connected with resistance 110, the other end of resistance 110 and
Switch 116 is connected；Switch 124 one end difference connecting valve 111 and switch 120, other end connection dc bus 122, switch 125
One end connects resistance 110 and switch 120, other end connection dc bus 123, switch 120 and DC dc converter 104 respectively
It is connected, DC dc converter 104 is connected with in-car electric loading 106,121 one end of switch connection dc bus 122, the other end
Dc bus 123 is connected, switch 121 other ends connection DC dc converter 105, the other end of DC dc converter 105 connects
Connect Large Copacity energy storage device 103, the difference of controller 107 connecting valve 111, switch 112, switch 113, switch 114, switch 115,
Switch 116, switch 117, switch 118, switch 119, switch 120, switch 121, switch 124, switch 125, DC conversion
Device 104 and DC dc converter 105.
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；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.
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 batteries of electric automobile protects system, it includes：Multiple energy storage devices, multiple DC-DC converters, Duo Gekai
Pass, dc bus, controller, Large Copacity energy storage device, resistance, collision detection sensor and refrigeration system, it is characterised in that：Touch
Hitting detection sensor controller is used to sense whether electric automobile occurs accident, when the collision detection sensor detects collision
When accident occurs, controller by energy storage device by being connected in series State Transferring to be connected in parallel state, and closure switch are to turn on
Discharge loop comprising energy storage device, switch and resistance is discharged energy storage device, while starting refrigeration system, energy storage is filled
Put, the storage silo of resistance and energy storage device is cooled down.
2. batteries of electric automobile according to claim 1 protects system, it is characterised in that：User combines certainly after breaking down
Body situation inputs user instruction to controller, and the user instruction is divided to two kinds：One kind is repid discharge instruction, and another is quick
Energy transfer instruction is carried out, when instruction is repid discharge instruction, discharge loop keeps channel status, continues through battery to storage
Energy device is discharged, until the dump energy of each energy storage device is less than first threshold, when instruction turns quickly to carry out energy
When moving instruction, controller disconnects discharge loop, simultaneously turns on comprising multiple energy storage devices, switch, dc bus, DC
The energy transfer loop of converter and Large Copacity energy storage device so that multiple energy storage devices fill to Large Copacity energy storage device
Electricity, until the dump energy of each energy storage device is less than Second Threshold.
3. batteries of electric automobile according to claim 1 protects system, it is characterised in that：Cooling system include cooler,
Multiple valves, coolant pump, cooling system controller, multiple temperature sensors, compressor and condenser.
4. batteries of electric automobile according to claim 3 protects system, it is characterised in that：When not occurring accident, cooler,
The first heat-radiation loop conducting of valve, energy storage device thermal source and coolant pump composition, multiple temperature sensors detect energy storage respectively
Unit temp and environment temperature, cooling system controller is according to energy storage device and the temperature of the storage silo of energy storage device, regulating valve
The power of door angle of flow and coolant pump controls the temperature of energy storage device and the storage silo.
5. batteries of electric automobile according to claim 4 protects system, it is characterised in that：When the collision detection sensor
When detecting collision accident generation, when instruction is repid discharge instruction, cooler, valve, energy storage device and discharge resistance group
Into thermal source and coolant pump composition heat-radiation loop conducting, the power of control valve angle of flow and coolant pump controls storage
Can device and the storage silo temperature, when the underpower by control valve angle of flow and cooling pump to cause energy storage to fill
When the temperature put with the storage silo is within reliability temperature threshold, cooler, compressor, the of condenser and valve composition
Two heat-radiation loops are turned on, and are radiated jointly by the first heat-radiation loop and the second heat-radiation loop.
6. batteries of electric automobile according to claim 4 protects system, it is characterised in that：When the collision detection sensor
When detecting collision accident generation, when instruction is quick progress energy transfer instruction, cooler, valve, energy storage device and great Rong
The heat-radiation loop conducting of the thermal source and coolant pump composition of amount energy storage device composition, control valve angle of flow and coolant pump
Power controls the temperature of energy storage device and the storage silo, when the underpower by control valve angle of flow and cooling pump
During make it that the temperature of energy storage device and the storage silo is within reliability temperature threshold, cooler, compressor, condenser and
The second heat-radiation loop conducting of valve composition, is radiated, when first jointly by the first heat-radiation loop and the second heat-radiation loop
Heat-radiation loop valve angle of flow, the power of cooling pump, the valve angle of flow of the second heat-radiation loop and compressor power it is equal
Maximum is adjusted to, the still temperature insufficient for energy storage device, Large Copacity energy storage device or the storage silo is in safety
When within temperature threshold, the first heat-radiation loop valve angle of flow, the power of cooling pump, the valve of the second heat-radiation loop is kept to lead
The power of current flow angle degree and compressor is operated in maximum.
7. batteries of electric automobile according to claim 1 protects system, it is characterised in that：Multiple energy storage devices are storage respectively
Can device（100）, energy storage device（101）And energy storage device（102）, multiple DC-DC converters are that DC becomes respectively
Parallel operation（104）And DC dc converter（105）, multiple switch respectively be switch（111）, switch（112）, switch（113）, open
Close（114）, switch（115）, switch（116）, switch（117）, switch（118）, switch（119）, switch（120）, switch
（121）, switch（124）And switch（125）；Energy storage device（100）With switch（114）It is connected, switch（114）The other end and switch
（111）It is connected, switch（111）The other end and resistance（108）It is connected, resistance（108）The other end and switch（114）It is connected；Energy storage
Device（101）With switch（115）It is connected, switch（115）The other end and switch（112）It is connected, switch（112）The other end and resistance
（109）It is connected, resistance（109）The other end and switch（115）It is connected；Energy storage device（102）With switch（116）It is connected, switch
（116）The other end and switch（113）It is connected, switch（113）The other end and resistance（110）It is connected, resistance（110）The other end is with opening
Close（116）It is connected；Switch（124）Distinguish connecting valve in one end（111）And switch（120）, other end connection dc bus
（122）, switch（125）One end connects resistance respectively（110）And switch（120）, other end connection dc bus（123）, switch
（120）With DC dc converter（104）It is connected, DC dc converter（104）With in-car electric loading（106）It is connected, opens
Close（121）One end connects dc bus, other end connection DC dc converter（105）, DC dc converter（105）It is another
End connection Large Copacity energy storage device（103）, controller（107）Difference connecting valve（111）, switch（112）, switch（113）, open
Close（114）, 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）.
8. batteries of electric automobile according to claim 2 protects system, it is characterised in that：When collision detection sensor is not examined
When measuring collision accident generation, controller（107）Controlling switch（114）, switch（115）, switch（116）And switch（120）Close
Close, other to switch off, energy storage device（100）, energy storage device（101）And energy storage device（102）Become after series connection through DC
Parallel operation（104）For in-car electric loading（106）Power supply, when collision detection sensor is detected, collision accident occurs and instruction is fast
During speed electric discharge instruction, controller（107）Controlling switch（114）, switch（115）, switch（116）, switch（111）, switch（112）
And switch（113）Closure, other to switch off, energy storage device（100）Pass through resistance（108）Electric discharge, energy storage device（101）Pass through
Resistance（109）Electric discharge, energy storage device（102）Pass through resistance（110）Electric discharge, when collision detection sensor detects collision accident hair
When raw and instruction is quick progress energy transfer instruction, controller（107）Controlling switch（117）, switch（118）, switch（119）
And switch（121）Closure, other to switch off, energy storage device（100）, energy storage device（101）And energy storage device（102）After parallel connection
Pass through dc bus and DC dc converter（105）Large Copacity energy storage device is charged.
9. batteries of electric automobile according to claim 3 protects system, it is characterised in that：Thermal source（200）By heat pipe with
Cooler（201）It is connected, cooler（201）Pass through heat pipe and valve（202）It is connected, valve（202）Pass through heat pipe and coolant
Pump（203）It is connected, coolant pump（203）It is connected by heat pipe with thermal source, cooler（201）Pass through heat pipe and compressor（206）
It is connected, compressor（206）Pass through heat pipe and cooler（207）It is connected, cooler（207）Pass through heat pipe and valve（208）It is connected,
Valve（208）Pass through heat pipe and cooler（201）It is connected, temperature sensor（209）For detecting thermal source（200）Temperature, temperature
Spend sensor（210）For detecting environment temperature, environment temperature is the temperature of thermal source local environment temperature or the storage silo, temperature
Spend sensor（204）For detecting coolant temperature, when collision detection sensor, which is not detected by collision accident, to be occurred, energy storage dress
Put（100）, energy storage device（101）And energy storage device（102）For thermal source, when collision detection sensor detects collision accident
And when instructing as repid discharge instruction, energy storage device（100）, energy storage device（101）, energy storage device（102）, resistance（108）, electricity
Resistance（109）And resistance（110）For thermal source, when collision detection sensor is detected, collision accident occurs and instruction is quick progress energy
When measuring transfer instruction, energy storage device（100）, energy storage device（101）, energy storage device（102）With Large Copacity energy storage device（103）For
Thermal source.
10. batteries of electric automobile according to claim 9 protects system, it is characterised in that：Cooling system is according to such as lower section
Formula adjusts the temperature of thermal source and thermal source local environment, step 301）The temperature of thermal source body is detected by temperature sensor, and will
Detection temperature value is sent to cooling system controller；Step 302）Cooling system controller judges whether the temperature of thermal source body is high
In safe temperature；If so, then entering step 303）, step 303）Cooling system controller adjust the first heat-radiation loop valve until
Thermal source body temperature is in safe temperature range；If it is not, then entering step 304）, step 304）Detected by temperature sensor
The temperature of thermal source local environment, and detection temperature value is sent to cooling controller；Step 305）Cooling system controller 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 whether the temperature of thermal source body local environment is high
In safe temperature；If it is not, then entering step 308）；When if so, then entering step 307）；Step 307）Judge coolant pump power
Whether maximum has been reached；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
Rapid 311）；Step 311）Cooling system controller increases compressor horsepower and judges whether the temperature of thermal source body local environment is high
In safe temperature；If it is not, then entering step 308）, if so, then entering step 312）；Step 312）Whether compressor horsepower has reached
To maximum；If it is not, then return to step 311）, if so, then entering step 313）；Step 308）Temperature adjustment terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332795.XA CN107264305A (en) | 2017-05-12 | 2017-05-12 | A kind of batteries of electric automobile protects system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332795.XA CN107264305A (en) | 2017-05-12 | 2017-05-12 | A kind of batteries of electric automobile protects system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107264305A true CN107264305A (en) | 2017-10-20 |
Family
ID=60073969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710332795.XA Pending CN107264305A (en) | 2017-05-12 | 2017-05-12 | A kind of batteries of electric automobile protects system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107264305A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301363A (en) * | 2018-08-30 | 2019-02-01 | 上汽通用汽车有限公司 | Battery pack management system, method and storage medium |
| CN109921104A (en) * | 2017-12-13 | 2019-06-21 | 宁德新能源科技有限公司 | A kind of battery core state monitoring method and device |
| JP2019169248A (en) * | 2018-03-22 | 2019-10-03 | マツダ株式会社 | Power storage device for vehicle |
| JP2019169246A (en) * | 2018-03-22 | 2019-10-03 | マツダ株式会社 | Power storage device for vehicle |
| CN111817556A (en) * | 2020-07-08 | 2020-10-23 | 中国第一汽车股份有限公司 | Control system and control method of power device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102481851A (en) * | 2009-09-04 | 2012-05-30 | 奥托立夫开发公司 | A vehicle battery safety system |
| CN103633688A (en) * | 2012-08-27 | 2014-03-12 | 福特全球技术公司 | Traction battery discharge control |
| CN105216632A (en) * | 2014-06-30 | 2016-01-06 | 观致汽车有限公司 | For Vehicular battery group management system and method |
-
2017
- 2017-05-12 CN CN201710332795.XA patent/CN107264305A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102481851A (en) * | 2009-09-04 | 2012-05-30 | 奥托立夫开发公司 | A vehicle battery safety system |
| CN103633688A (en) * | 2012-08-27 | 2014-03-12 | 福特全球技术公司 | Traction battery discharge control |
| 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 |
|---|---|---|---|---|
| CN109921104A (en) * | 2017-12-13 | 2019-06-21 | 宁德新能源科技有限公司 | A kind of battery core state monitoring method and device |
| JP2019169248A (en) * | 2018-03-22 | 2019-10-03 | マツダ株式会社 | Power storage device for vehicle |
| JP2019169246A (en) * | 2018-03-22 | 2019-10-03 | マツダ株式会社 | Power storage device for vehicle |
| JP7110646B2 (en) | 2018-03-22 | 2022-08-02 | マツダ株式会社 | Vehicle power storage device |
| JP7110645B2 (en) | 2018-03-22 | 2022-08-02 | マツダ株式会社 | Vehicle power storage device |
| CN109301363A (en) * | 2018-08-30 | 2019-02-01 | 上汽通用汽车有限公司 | Battery pack management system, method and storage medium |
| CN111817556A (en) * | 2020-07-08 | 2020-10-23 | 中国第一汽车股份有限公司 | Control system and control method of power device |
| CN111817556B (en) * | 2020-07-08 | 2022-06-28 | 中国第一汽车股份有限公司 | Control system and control method of power device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107264305A (en) | A kind of batteries of electric automobile protects system | |
| CN107323275A (en) | A kind of vehicle for including energy storage device | |
| US10358047B2 (en) | Electric power storage system | |
| US8022663B2 (en) | Energy recapture for an industrial vehicle | |
| US10647189B2 (en) | Battery system of an electric vehicle | |
| US8479848B2 (en) | Hybrid-type construction machine | |
| KR102205684B1 (en) | Virtual Cell for Battery Thermal Management | |
| JP5959289B2 (en) | Battery system | |
| US20140062228A1 (en) | Thermal management of electric motor in the event of failure of primary cooling system for powertrain on electric vehicle | |
| CN105966199A (en) | New energy automobile PTC heating control system and method | |
| WO2016192515A1 (en) | Battery pack, and charging management system and method | |
| EP2749701B1 (en) | Hybrid type construction machine | |
| JP5478174B2 (en) | Charging method and system for large secondary battery | |
| CN114448031A (en) | Energy storage system and control method thereof | |
| CN113117274A (en) | Cooling system for battery pack | |
| CN111169324B (en) | Lithium battery system, control method of lithium battery system and vehicle | |
| CN206894260U (en) | Intelligent battery control circuit | |
| CN211364326U (en) | Energy storage type electric automobile charging device | |
| CN111384466B (en) | Water pump fault processing method and system in power battery thermal management system | |
| JP6049440B2 (en) | Power supply device for cargo handling vehicle | |
| JP2012005288A (en) | Charger | |
| CN213716700U (en) | Transformer assembly with temperature protection function and power system | |
| CN205452477U (en) | Batteries of electric vehicle wraps cooling device | |
| CN204289647U (en) | A kind of power battery of electric vehicle group low temperature automotive quick-heat system | |
| CN102593929A (en) | Charger with temperature protection for storage battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171020 |