CN106114277A - A kind of heat management system of electric motor car - Google Patents
A kind of heat management system of electric motor car Download PDFInfo
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- CN106114277A CN106114277A CN201610771237.9A CN201610771237A CN106114277A CN 106114277 A CN106114277 A CN 106114277A CN 201610771237 A CN201610771237 A CN 201610771237A CN 106114277 A CN106114277 A CN 106114277A
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- Prior art keywords
- heat
- valve
- external condenser
- electric motor
- battery system
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- 239000000498 cooling water Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 230000005494 condensation Effects 0.000 claims abstract description 21
- 238000009833 condensation Methods 0.000 claims abstract description 21
- 239000006200 vaporizer Substances 0.000 claims abstract description 16
- 230000005855 radiation Effects 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims description 17
- 238000004378 air conditioning Methods 0.000 claims description 16
- 238000005276 aerator Methods 0.000 claims description 7
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 28
- 238000009825 accumulation Methods 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- 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
- 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
- B60L58/27—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 heating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses the heat management system of a kind of electric motor car, including compressor, internal condensation device, external condenser, first expansion valve, second expansion valve, vaporizer, vapour liquid separator, battery system, ptc heater, heat exchanger, first kinetic pump and cooling water tank, compressor, internal condensation device, external condenser, first expansion valve, vaporizer, vapour liquid separator head and the tail successively connect, external condenser is connected with vapour liquid separator, external condenser, second expansion valve, heat exchanger and vapour liquid separator are sequentially connected with, first kinetic pump, ptc heater, the heat abstractor of battery system and cooling water tank head and the tail successively connect, the heat abstractor of the first kinetic pump and battery system is connected with heat exchanger respectively.The heat management system of electric motor car that the present invention provides, considered refrigeration, heat, defrost, battery system heat radiation, the energy consumption such as heat recovery, improve vehicle reliability of operation and safety.
Description
Technical field
The present invention relates to heat management system technical field, particularly relate to the heat management system of a kind of electric motor car.
Background technology
Electric motor car course continuation mileage is the bottleneck of the sector development at present, in addition to breaking through existing battery technology, and car load energy
Consumption management and optimization are another approach can implemented and optimize.Existing electric vehicle energy manages, and typically only considered portion
Point single function, if any have employed dual-evaporator system auxiliary heating, some employings are air-cooled dispels the heat to battery, has
Using that liquid is cold dispels the heat battery, some employing liquid is cold to dispel the heat to motor and power component, some consideration motor
And the natural air cooled heat radiation of power component, such triangular web, it is impossible to the effectively utilization of comprehensive assessment car load energy, to car load
Course continuation mileage impact is greatly.
As the Chinese invention patent of Application No. 201210511445.7 discloses a kind of heat management system, battery thermal management
System, electric motor car and hybrid electric vehicle, described heat management system includes heating refrigerating circuit and heats refrigerating circuit enter with described
The heat storage and cold accumulation loop of row heat exchange, wherein the circulatory mediator in described heat storage and cold accumulation loop is phase-change material for cold storage, wherein when
Described heating refrigerating circuit when heating, the temperature at the circulatory mediator in described heat storage and cold accumulation loop is not less than phase transition temperature
Time, described in heat refrigerating circuit stop heat, and when described heat refrigerating circuit freeze time, return at described heat storage and cold accumulation
When the temperature of the circulatory mediator on road is not higher than phase transition temperature, described in heat refrigerating circuit stop refrigeration.This heat management system is only examined
Consider single part and the energy management of system and control, cause vehicle operational reliability and effectiveness to there is greater risk.
Summary of the invention
The technical problem to be solved is: provide a kind of can the heat management of electric motor car of comprehensive management car load energy consumption
System.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of heat management system of electric motor car, including compressor, internal condensation device, external condenser, the first expansion valve,
Two expansion valves, vaporizer, vapour liquid separator, battery system, ptc heater, heat exchanger, the first kinetic pump and cooling water tank, institute
Be provided with heat abstractor in stating battery system, described compressor, internal condensation device, external condenser, the first expansion valve, vaporizer,
Vapour liquid separator is connected by the first pipeline successively head and the tail, and external condenser is connected by the first pipeline with vapour liquid separator, outward
Portion's condenser, the second expansion valve, heat exchanger and vapour liquid separator are sequentially connected with by the first pipeline, described first kinetic pump, PTC
Heater, the heat abstractor of battery system and cooling water tank are connected by second pipe successively head and the tail, the first kinetic pump and battery
The heat abstractor of system is connected with heat exchanger respectively by second pipe.
The beneficial effects of the present invention is: compressor, internal condensation device, external condenser, the first expansion valve, vaporizer,
Vapour liquid separator is connected by the first pipeline successively head and the tail, it is possible to achieve refrigeration in compartment and the switching heated, the first power
Pump, ptc heater, the heat abstractor of battery system and cooling water tank are connected by second pipe successively head and the tail can be in battery system
When system temperature is relatively low, battery system is dispelled the heat, when battery system temperature is higher, can move by controlling compressor and first
The operation of power pump, makes the cold-producing medium in the first pipeline and the cold-producing medium in second pipe carry out heat exchange in heat exchanger, with to electricity
Cell system is lowered the temperature, and when battery system cold-starting and charging heating, can be heated by ptc heater, the present invention's
The heat management system of electric motor car, by consider cooling in summer, winter heating, battery system high temperature dispel the heat, battery system low
Temperature heat radiation, battery system winter low temperature start and charging assists the energy consumptions such as heating, improve vehicle reliability of operation and safety
Property.
Accompanying drawing explanation
Fig. 1 is the structural representation of the heat management system of the electric motor car of the embodiment of the present invention.
Label declaration:
1, compressor；2, internal condensation device；3, external condenser；4, the first expansion valve；5, the second expansion valve；6, evaporation
Device；7, vapour liquid separator；8, battery system；9, ptc heater；10, heat exchanger；11, the first kinetic pump；12, cooling water tank；
13, control unit；14, air-conditioning heater；15, aerator；16, cooling fan；17, the first valve；18, the second valve；19,
Two kinetic pumps；20, power component；21, motor；22, expansion tank；23, two-port valve；24, throttle pipe；25, the 3rd valve；
26, the 4th valve.
Detailed description of the invention
By describing the technology contents of the present invention, structural feature in detail, being realized purpose and effect, below in conjunction with embodiment
And coordinate accompanying drawing to be explained in detail.
The design of most critical of the present invention is: refrigeration, heat pump are heated, battery system liquid-cooling heat radiation, battery system winter
The energy consumptions such as cold-starting and charging auxiliary heat dissipation carry out integrated management, improve vehicle reliability of operation and safety.
Refer to Fig. 1, the heat management system of a kind of electric motor car, including compressor 1, internal condensation device 2, external condenser 3,
First expansion valve the 4, second expansion valve 5, vaporizer 6, vapour liquid separator 7, battery system 8, ptc heater 9, heat exchanger 10,
One kinetic pump 11 and cooling water tank 12, be provided with heat abstractor in described battery system 8, described compressor 1, internal condensation device 2, outer
Portion's condenser the 3, first expansion valve 4, vaporizer 6, vapour liquid separator 7 are connected by the first pipeline successively head and the tail, external condenser 3
Being connected by the first pipeline with vapour liquid separator 7, external condenser the 3, second expansion valve 5, heat exchanger 10 and vapour liquid separator 7 lead to
Cross the first pipeline to be sequentially connected with, described first kinetic pump 11, ptc heater 9, the heat abstractor of battery system 8 and cooling water tank
12 are connected by second pipe successively head and the tail, and the heat abstractor of the first kinetic pump 11 and battery system 8 is by second pipe respectively
It is connected with heat exchanger 10.
Knowable to foregoing description, the beneficial effects of the present invention is: compressor, internal condensation device, external condenser, first
Expansion valve, vaporizer, vapour liquid separator connected by the first pipeline successively head and the tail, it is possible to achieve refrigeration in compartment and heating
Switching, the first kinetic pump, ptc heater, the heat abstractor of battery system and cooling water tank are connected by second pipe successively head and the tail
Connect and when battery system temperature is relatively low, battery system can be dispelled the heat, when battery system temperature is higher, can be by controlling
Compressor and the operation of the first kinetic pump, make the cold-producing medium in the first pipeline and the cold-producing medium in second pipe enter in heat exchanger
Row heat exchange, to lower the temperature battery system, when battery system cold-starting and charging heating, can be carried out by ptc heater
Heating, the heat management system of the electric motor car of the present invention, by consider cooling in summer, winter heating, battery system high temperature dissipate
Heat, battery system low temperature radiation, battery system winter low temperature start and charging assists the energy consumptions such as heating, improve what vehicle ran
Reliability and safety.
Further, also include control unit 13, described first kinetic pump 11 and ptc heater 9 respectively with described control
Unit 13 electrically connects.
Seen from the above description, the first kinetic pump, the work of ptc heater and closedown are controlled by control unit.
Further, also include that air-conditioning heater 14 and aerator 15, described air-conditioning heater 14 and aerator 15 are respectively
Electrically connect with described control unit 13.
Seen from the above description, air-conditioning heater and aerator electrically connect with control unit respectively, when heating in compartment, when
When the temperature set and vehicle interior temperature differ greatly, control unit controls air-conditioning heater and adds with heat pump heating simultaneously
Heat, when design temperature and vehicle interior temperature difference are less, are then used alone heat pump heating and heat.
Further, also including cooling down fan 16, described cooling fan 16 is arranged on the side of described external condenser 3,
Described cooling water tank 12 is arranged on the opposite side of described external condenser 3.
Seen from the above description, cooling fan is set and can the heat in cooling water tank be reached on external condenser, to carry
High heating capacity, reduces the possibility of external condenser frosting.
Further, also include that the first valve 17 and the second valve 18, described external condenser 3 and the first expansion valve 4 lead to
Cross described first valve 17 and connect setting, described first valve the 17, second valve 18 and vapour liquid separator 7 by described second valve
Door 18 connects setting.
Seen from the above description, the first valve and the second valve are set, by controlling the logical of the first valve and the second valve
Disconnected, can carry out heating, freeze and the switching of the operating mode such as battery system heat radiation.
Further, also include the second kinetic pump 19, power component 20 and motor 21, described power component 20 and electronic
Being respectively equipped with heat abstractor on machine 21, the heat abstractor of described second kinetic pump 19, cooling water tank 12 and power component 20 passes through
3rd pipeline head and the tail successively connect, and the heat abstractor of the second kinetic pump 19, cooling water tank 12 and motor 21 passes through the 3rd pipeline
Head and the tail connect successively.
Seen from the above description, motor and power component can be dispelled the heat by cooling water tank, then by cooling wind
Heat in cooling water tank is reached external condenser, to carry out the recovery of waste heat by fan.
Further, also include expansion tank 22, between described first kinetic pump 11 and described cooling water tank 12, be provided with institute
State expansion tank 22.
Seen from the above description, expansion tank is set, can prevent cooling system because of hypertonia, and cause booster damage heat
Management system.
Further, also include two-port valve 23 and throttle pipe 24, one end of described two-port valve 23 and throttle pipe 24 respectively with
Described internal condensation device 2 connects, and the other end of two-port valve 23 and throttle pipe 24 is connected with described external condenser 3 respectively.
Further, also include the 3rd valve 25, the heat radiation dress of described cooling water tank 12, heat exchanger 10 and battery system 8
Put and connected by described 3rd valve 25.
Refer to Fig. 1, embodiments of the invention one are:
The heat management system of a kind of electric motor car, including compressor 1, internal condensation device 2, external condenser the 3, first expansion valve
4, the second expansion valve 5, vaporizer 6, vapour liquid separator 7, battery system 8, ptc heater 9, heat exchanger the 10, first kinetic pump 11,
Cooling water tank 12, control unit 13, air-conditioning heater 14, aerator 15, cooling fan the 16, first valve the 17, second valve 18,
Second kinetic pump 19, power component 20, motor 21, expansion tank 22, two-port valve 23, throttle pipe 24, the 3rd valve 25 and
Four valves 26.It is respectively equipped with heat abstractor on battery system 8, power component 20 and motor 21.First valve the 17, second valve
18, the 3rd valve 25 and the 4th valve 26 are respectively three-way valve.
Compressor 1, internal condensation device 2, external condenser the 3, first expansion valve 4, vaporizer 6, vapour liquid separator 7 are by the
One pipeline head and the tail successively connect, and one end of two-port valve 23 and throttle pipe 24 is connected with internal condensation device 2 respectively, two-port valve 23 and joint
The other end of flow tube 24 is connected with external condenser 3 respectively.
It is connected by the first pipeline between external condenser 3 with vapour liquid separator 7, external condenser the 3, second expansion valve 5,
Heat exchanger 10 and vapour liquid separator 7 are sequentially connected with by the first pipeline.First valve 17 and the second valve 18 are respectively provided with outside
On the first pipeline between portion's condenser 3 and vapour liquid separator 7, external condenser the 3, first expansion valve 4 and 18 points of the second valve
Tong Guo the first valve 17 connection not arrange, vapour liquid separator 7 connects setting with the second valve 18 respectively with the second expansion valve 5.
First kinetic pump 11, ptc heater 9, the heat abstractor of battery system 8, cooling water tank 12 and expansion tank 22 are led to
Cross second pipe head and the tail successively to connect.First kinetic pump 11, ptc heater 9, the heat abstractor of battery system 8 and heat exchanger 10
Connected by second pipe successively head and the tail.3rd valve 25 and the 4th valve 26 are separately positioned on cooling water tank 12 and battery system
On second pipe between 8.The heat abstractor of cooling water tank 12, heat exchanger 10 and battery system 8 is connected by the 3rd valve 25
Arranging, the heat abstractor of the 3rd valve the 25, first kinetic pump 11 and battery system 8 connects setting by the 4th valve 26.
The heat abstractor of the second kinetic pump 19, cooling water tank 12 and power component 20 is connected by the 3rd pipeline successively head and the tail
Connecing, the heat abstractor of the second kinetic pump 19, cooling water tank 12 and motor 21 is connected by the 3rd pipeline successively head and the tail.Second moves
An expansion tank 22 it is also associated with on power pump 19.Cooling fan 16 is arranged on the side of external condenser 3, and cooling water tank 12 is arranged
Opposite side at external condenser 3.Cooling fan 16 is bidirectional fan.
Compressor 1, ptc heater the 9, first kinetic pump the 11, second kinetic pump 19, two-port valve the 23, first valve 17, second
Valve the 18, the 3rd valve the 25, the 4th valve 26, air-conditioning heater 14, aerator 15 and cooling fan 16 respectively with control unit
13 electrical connections, the work of break-make and device to control individual channel.
First pipeline, second pipe and the 3rd pipeline each lead into different cold-producing mediums.First pipeline is passed through refrigeration
Agent 1, is passed through cold-producing medium 2, is passed through cold-producing medium 3 in the 3rd pipeline in second pipe.
During chiller compartment, the loop of cold-producing medium 1 is: compressor 1-internal condensation device 2-two-port valve 23-external condenser 3-
First valve 17-the first expansion valve 4-vaporizer 6-vapour liquid separator 7-compressor 1.Now internal condensation device 2 does not works, high temperature
The gaseous refrigerant of high pressure is condensed into highly pressurised liquid through external condenser 3 heat release, enters the room through the first expansion valve 4 expenditure and pressure is laggard
In vaporizer 6, then carry out in vaporizer 6 heat absorption become gas thus reach freeze purpose.
Utilize car load heat load balance model, calculate the temperature required for subsequent time carriage air discharging mouth, according to comprehensively
Cold required for the heat radiation operating mode of battery system 8, controls compressor 1 rotating speed, and carries out torque request to car load.
When compartment heats, the loop of cold-producing medium 1 is: compressor 1-internal condensation device 2-throttle pipe 24-external condenser 3-
First valve 17-the second valve 18-vapour liquid separator 7-compressor 1.The gaseous refrigerant of High Temperature High Pressure is in internal condensation device 2
Liquidation exothermic reaction, heats air in a car compartment, becomes gaseous state subsequently into external condenser 3 heat absorption.At heating mode, when setting temperature
When degree and vehicle interior temperature differ greatly, as little with vehicle interior temperature difference temperature more than or equal to 15 DEG C and outside compartment in design temperature
In-7 DEG C time, control unit 13 controls air-conditioning heater 14 and works, and makes air-conditioning heater 14 and heating run simultaneously, treats car
After interior temperature reduces with design temperature difference, air-conditioning heater 14 is closed.When design temperature and vehicle interior temperature difference are less, as
Difference less than 15 DEG C and compartment be temperature be more than or equal to-7 DEG C time, then be used alone heating and heat, air-conditioning heater
14 close.When the heating-up temperature of air-conditioning heater 14 is more than or equal to certain value, air-conditioning heater 14 is closed, so that air-conditioning is added
Hot device 14 is protected.
When heating mode, easily there is frosting in external condenser 3, arranges temperature sensor on external condenser 3, temperature
Degree sensor transmits a signal to control unit 13, according to temperature and the compressor 1 of the temperature sensor on external condenser 3
Pressure of inspiration(Pi) and temperature judge external condenser 3 whether frosting, as judged compression by the pressure of inspiration(Pi) of compressor 1 and temperature
Machine 1 air inlet refrigerant condition is gaseous state, is the most still heating mode, as being judged as there may be liquid, as suction superheat is spent
Low, then the first valve 17 is adjusted to refrigerating state, carries out defrost, finally judged by the pressure of inspiration(Pi) of compressor 1 and temperature be
No defrost is complete, as defrost is complete, becomes original and heats state.
Motor 21 and the heat radiation of power component 20, the loop of cold-producing medium 3 is: the second kinetic pump 19-motor 21/ power
Element 20-cooling water tank 12.Temperature according to motor 21 and power component 20 controls the second kinetic pump 19 and cooling fan
The rotating speed of 16.
During the heat radiation of battery system 8 high temperature, jointly dispelled the heat by the first pipeline and second pipe.
The loop of cold-producing medium 1 is: compressor 1-internal condensation device 2-two-port valve 23-external condenser 3-the first valve 17-
First expansion valve 4-vaporizer 6/ second valve 18-the second expansion valve 5-heat exchanger 10-vapour liquid separator 7-compressor 1.
The loop of cold-producing medium 2 is: the first kinetic pump 11-battery system 8-the 4th valve 26-heat exchanger 10.In first pipeline
Cold-producing medium 1 and second pipe in cold-producing medium 2 in heat exchanger 10, carry out heat exchange.When battery system 8 dispels the heat, consider electricity
Cell system 8 internal temperature, internal heat dissipation structures and battery system 8 coolant out temperature and difference, control compressor 1 and the
The rotating speed of one kinetic pump 11, to improve the reliability of battery system 8 radiating management, effectiveness and power consumption.
During battery system 8 low temperature radiation, the loop of cold-producing medium 2 is: the first kinetic pump 11-battery system 8-the 4th valve
26-cooling water tank 12-expansion tank 22.In the case of ambient temperature is relatively low, simultaneously warm at battery system 8 in battery system 8
When the operating temperature range upper limit or the slightly above upper limit, battery system 8 can be dispelled the heat by cooling water tank 12 loop.
Battery system 8 is when cold-starting and charging heating, and car load can be carried out by the ptc heater 9 of low voltage low power
Heating.
Motor 21, power component 20 and the waste heat recovery of battery system 8, be mainly used in defrost and heating condition.Electronic
When machine 21, power component 20 and battery system 8 are dispelled the heat by cooling water tank 12, can be by cooling fan 16 by cooling water tank 12
Heat reach on external condenser 3, to improve heat, reduce frosting possibility.The air intake of external condenser 3 can be increased simultaneously
Temperature, improves the heating capacity of whole system.
In sum, the heat management system of electric motor car that the present invention provides, considered cooling in summer, winter heating,
Automatic defrosting, motor and power component heat radiation, battery system heat radiation, battery system, motor and power component heat recovery,
The energy consumptions such as battery system winter low temperature starter motor charging auxiliary heating, improve vehicle reliability of operation and safety.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
The equivalents that bright description and accompanying drawing content are made, or directly or indirectly it is used in relevant technical field, the most in like manner include
In the scope of patent protection of the present invention.
Claims (9)
1. the heat management system of an electric motor car, it is characterised in that include compressor, internal condensation device, external condenser, first
Expansion valve, the second expansion valve, vaporizer, vapour liquid separator, battery system, ptc heater, heat exchanger, the first kinetic pump and dissipate
Boiler, is provided with heat abstractor, described compressor, internal condensation device, external condenser, the first expansion in described battery system
Valve, vaporizer, vapour liquid separator are connected by the first pipeline successively head and the tail, and external condenser and vapour liquid separator are by the first pipe
Road connects, and external condenser, the second expansion valve, heat exchanger and vapour liquid separator are sequentially connected with by the first pipeline, and described first
Kinetic pump, ptc heater, the heat abstractor of battery system and cooling water tank are connected by second pipe successively head and the tail, and first moves
The heat abstractor of power pump and battery system is connected with heat exchanger respectively by second pipe.
The heat management system of electric motor car the most according to claim 1, it is characterised in that also include control unit, described
One kinetic pump and ptc heater electrically connect with described control unit respectively.
The heat management system of electric motor car the most according to claim 2, it is characterised in that also include air-conditioning heater and air blast
Machine, described air-conditioning heater and aerator electrically connect with described control unit respectively.
The heat management system of electric motor car the most according to claim 1, it is characterised in that also include cooling down fan, described cold
But fan is arranged on the side of described external condenser, and described cooling water tank is arranged on the opposite side of described external condenser.
The heat management system of electric motor car the most according to claim 1, it is characterised in that also include the first valve and the second valve
Door, described external condenser and the first expansion valve connected by described first valve and arrange, described first valve, the second valve and
Vapour liquid separator connects setting by described second valve.
The heat management system of electric motor car the most according to claim 1, it is characterised in that also include the second kinetic pump, power
Element and motor, described power component and motor be respectively equipped with heat abstractor, described second kinetic pump, cooling water tank and
The heat abstractor of power component is connected by the 3rd pipeline successively head and the tail, the heat radiation of the second kinetic pump, cooling water tank and motor
Device is connected by the 3rd pipeline successively head and the tail.
The heat management system of electric motor car the most according to claim 1, it is characterised in that also include expansion tank, described
Described expansion tank it is provided with between one kinetic pump and described cooling water tank.
The heat management system of electric motor car the most according to claim 1, it is characterised in that also include two-port valve and throttle pipe,
One end of described two-port valve and throttle pipe is connected with described internal condensation device respectively, the other end of two-port valve and throttle pipe respectively with
Described external condenser connects.
The heat management system of electric motor car the most according to claim 1, it is characterised in that also include the 3rd valve is described scattered
The heat abstractor of boiler, heat exchanger and battery system is connected by described 3rd valve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771237.9A CN106114277B (en) | 2016-08-30 | 2016-08-30 | A kind of heat management system of electric vehicle |
| CN201910275907.1A CN110091753B (en) | 2016-08-30 | 2016-08-30 | Thermal management system for comprehensively managing energy consumption of electric vehicle |
| CN201910275912.2A CN110126677A (en) | 2016-08-30 | 2016-08-30 | A kind of automatic control heat management system of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610771237.9A CN106114277B (en) | 2016-08-30 | 2016-08-30 | A kind of heat management system of electric vehicle |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910275907.1A Division CN110091753B (en) | 2016-08-30 | 2016-08-30 | Thermal management system for comprehensively managing energy consumption of electric vehicle |
| CN201910275912.2A Division CN110126677A (en) | 2016-08-30 | 2016-08-30 | A kind of automatic control heat management system of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106114277A true CN106114277A (en) | 2016-11-16 |
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| CN201910275907.1A Active CN110091753B (en) | 2016-08-30 | 2016-08-30 | Thermal management system for comprehensively managing energy consumption of electric vehicle |
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| CN114056047A (en) * | 2021-11-24 | 2022-02-18 | 奇瑞汽车股份有限公司 | Electric automobile's thermal management system and electric automobile |
| CN114056047B (en) * | 2021-11-24 | 2023-11-24 | 奇瑞汽车股份有限公司 | Electric automobile's thermal management system and electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110091753A (en) | 2019-08-06 |
| CN106114277B (en) | 2019-03-29 |
| CN110126677A (en) | 2019-08-16 |
| CN110091753B (en) | 2021-05-07 |
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