CN106985632A - A kind of multi-functional pump type heat electric air-conditioning system of multiple and its method of work - Google Patents
A kind of multi-functional pump type heat electric air-conditioning system of multiple and its method of work Download PDFInfo
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- CN106985632A CN106985632A CN201710270713.3A CN201710270713A CN106985632A CN 106985632 A CN106985632 A CN 106985632A CN 201710270713 A CN201710270713 A CN 201710270713A CN 106985632 A CN106985632 A CN 106985632A
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- car
- heat exchanger
- magnetic valve
- water pump
- valve
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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
- B60H1/00007—Combined heating, ventilating, or cooling devices
-
- 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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
-
- 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
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—Temperature
-
- 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 present invention discloses a kind of multi-functional pump type heat electric air-conditioning system of multiple and its method of work, and the air-conditioning system includes motor compressor, car external heat exchanger, vapour liquid separator, in-car heat exchanger, battery cooler, Vehicular accumulator cell, battery cooler water pump, electric expansion valve, magnetic valve, water tank, subcolling condenser water pump, two-position three-way valve, subcolling condenser, car external heat exchanger fan and in-car heat exchanger fan.Air-conditioning system of the present invention can be very good to tackle the annual operating condition of electric automobile, in-car heat exchanger and battery cooler can need to serve as evaporator and condenser according to operating condition, car external heat exchanger can determine to serve as evaporator or condenser according to thermic load Auto-matching, while in-car refrigeration or heating needs are met, being heated or cooled for battery can also be met.
Description
Technical field
The present invention relates to pump type heat electric automobile air-conditioning system, the electronic vapour of especially a kind of multi-functional pump type heat of multiple
Car air-conditioning system and its method of work.
Background technology
Electric automobile overcomes the fossil fuel dependence problem and environmental issue of fuel-engined vehicle, using energy source diversification, peace
It is quiet pollution-free, represent the development trend of future automobile.Electric automobile does not have engine exhaust heat utilization, it is therefore desirable to use pump type heat
Air-conditioning system.
Traditional heat pump there are problems that following：
1st, the annual operating condition of electric automobile is complicated, and traditional heat pump can not tackle the complexity of this annual operation well
Situation.Heat pump is as the air-conditioning system of electric automobile air conditioner, and undertake work is not only in-car air adjustment, also vehicle
Heat management, one it is most typical effect seek to Vehicular accumulator cell carry out heat management.In summer, heat pump is needed to in-car empty
Gas carries out dehumidifying and cooling, and to battery cooling down, winter is needed to in-car atmosphere temperature rising, while when electric car starts to battery
Heated up, need to cool to battery again in normal operation.And when environment temperature is relatively low, the water temperature of environment temperature can
To meet the cooling demand of battery, and under hot environment, normal-temperature water can not meet the cooling requirement of Vehicular accumulator cell, it is necessary to use sky
Adjusting system produces temperature relatively low cold water and battery is cooled.Therefore, heat pump needs to tackle this complicated operation well
Operating mode, this is a difficult point of heat pump；
2nd, conventional heat pump efficiency is low.Efficiency is low mainly some following reason：1) parts of traditional electric automobile air conditioner is in the winter
When it is heated, using PTC electrical heating patterns, or using the form of heat pump and PTC cooperations, and the efficiency of PTC heating is less than
Heat pump, efficiency is low, does not save；2) battery-heating is not fully utilized, heat management of most tradition electric automobile air conditioners in battery
Aspect, cooling when often only considered summer high temperature to battery, but the heating of battery is not utilized sufficiently in winter, and it is real
When being heated in the winter time on border, it is possible to use battery-heating improves evaporation side heat exchange, improves efficiency；3) shadow of the defrosting to heating capacity
Ring, use air as the evaporator of thermal source, frosting all inevitably occurs when heating in the winter time.For using change refrigeration
The heat pump of agent flow direction defrosting, refrigerating operaton is switched in defrosting, now in order to avoid in-car is blown a cold wind over, in-car heat exchanger fan
It is to close, this is that evaporator heat exchange is very poor, and the defrosting energy of outdoor heat exchanger is approximately equal to the wasted work of compressor, defrosting effect
The poor and time is long, and heat pump heating capacity and in-car comfortableness are all adversely affected.
The content of the invention
Goal of the invention：It is an object of the present invention to provide a kind of multi-functional pump type heat electric automobile air-conditioning system of multiple and its
Method of work, can be very good to tackle this annual complicated operating condition of electric automobile, while battery can also be fully utilized
Heating, defrosting when can also improve defrosting effect.
To achieve these goals, present invention employs following technical scheme：A kind of multi-functional pump type heat of multiple
Electric air-conditioning system, including it is motor compressor, car external heat exchanger, vapour liquid separator, in-car heat exchanger, battery cooler, vehicle-mounted
Battery, battery cooler water pump, electric expansion valve a, electric expansion valve b, magnetic valve a, magnetic valve b, magnetic valve c, magnetic valve
D, magnetic valve e, magnetic valve f, water tank, subcolling condenser water pump, two-position three-way valve a, two-position three-way valve b, subcolling condenser, outside car
Heat exchanger fan and in-car heat exchanger fan；
The exhaust outlet of motor compressor connects magnetic valve a, magnetic valve c and magnetic valve e one end respectively, motor compressor
Air entry connects the exhaust outlet of vapour liquid separator, and the air entry of vapour liquid separator connects magnetic valve b, magnetic valve d and electromagnetism respectively
Valve f one end, magnetic valve a and magnetic valve the b other end are all connected with one end of car external heat exchanger refrigerant flow path, car external heat exchanger
The other end of refrigerant flow path connects electric expansion valve a and electric expansion valve b one end respectively, and magnetic valve c and magnetic valve d's is another
One end is all connected with one end of in-car heat exchanger refrigerant runner, the other end connection electronic expansion of in-car heat exchanger refrigerant runner
The valve a other end, magnetic valve e and magnetic valve the f other end are all connected with one end of battery cooler refrigerant runner, battery cooling
The other end connection electric expansion valve b of the device refrigerant flow path other end；
One end connection triple valve a of Vehicular accumulator cell cooling liquid flowing channel first port, Vehicular accumulator cell cooling liquid flowing channel
Other end connection triple valve b first port, the one of triple valve a second port connection battery cooler cooling liquid flowing channel
End, the other end for connecting battery cooler cooling liquid flowing channel connects triple valve b second port, three by battery cooler water pump
Port valve a the 3rd port connects one end of subcolling condenser cooling liquid flowing channel, and triple valve b the 3rd port passes through subcolling condenser
Water pump, water tank connect the other end of subcolling condenser cooling liquid flowing channel；
In-car heat exchanger side sets in-car heat exchanger fan, and the in-car in-car air inlet of heat exchanger fan connection passes through car
In-car air is led to in-car heat exchanger by interior heat exchanger fan, and car external heat exchanger and subcolling condenser side set car external heat exchanger
Fan, car external heat exchanger fan connection car external air inlet port, car external heat exchanger is led to by car external heat exchanger fan by air outside car
And subcolling condenser.
The method of work of the above-mentioned multi-functional pump type heat electric air-conditioning system of multiple, the method for work includes：
When environment temperature≤0 °, when electric automobile starts, opens solenoid valve b, magnetic valve c, magnetic valve e, in-car heat exchange
Device fan, battery cooler water pump, car external heat exchanger fan, close magnetic valve a, magnetic valve d, magnetic valve f, subcolling condenser water
Pump, heat exchanger and battery cooler are condensed the refrigerant flowed out from compressor into the car, subsequently into car external heat exchanger
Be evaporated, be most back to compressor after vapour liquid separator afterwards, refrigerant during heat exchanger is condensed in the car with
In-car air carries out heat exchange, realizes that in-car is heated, by battery cooler water pump driving cooling liquid recycle stream through vehicular electricity storage
Pond and battery cooler, the heat of absorption refrigeration agent when coolant flows through battery cooler, then transfer heat to vehicle-mounted storage
Battery, realizes that Vehicular accumulator cell is heated；
When environment temperature≤10 °, when electric automobile is normally run, opens solenoid valve b, magnetic valve c, in-car heat exchanger wind
Fan, subcolling condenser water pump, car external heat exchanger fan, close magnetic valve a, magnetic valve d, magnetic valve e, magnetic valve f, battery cooling
Device water pump, the refrigerant flowed out from compressor is introduced into in-car heat exchanger and condensed, and is steamed subsequently into car external heat exchanger
Hair, is most back to compressor through vapour liquid separator afterwards, and refrigerant carries out heat exchange with in-car air in condensation process, realizes car
Inside heat, by subcolling condenser water pump driving cooling liquid recycle stream through Vehicular accumulator cell, water tank and subcolling condenser, coolant
Vehicular accumulator cell heat is taken away when flowing through Vehicular accumulator cell, realizes that Vehicular accumulator cell radiates, then through subcolling condenser by heat
It is lost in the outer air of car；
When 10 DEG C of ＜ environment temperature≤20 DEG C, start in electric automobile and during normal operation, according to user itself need with
And thermal load of air-conditioning system situation determines car external heat exchanger working condition, specifically includes：
When user selection heat when, if 0 ＜ design temperatures -8 DEG C of vehicle interior temperature ＜, now thermal load of air-conditioning system compared with
Low, then opens solenoid valve c, magnetic valve f, in-car heat exchanger fan, battery cooler water pump, close magnetic valve a, magnetic valve b, electricity
Magnet valve d, magnetic valve e, car external heat exchanger fan, subcolling condenser water pump, the refrigerant flowed out from compressor are introduced into in-car and changed
Hot device is condensed, and is evaporated subsequently into battery cooler, is most back to compressor through vapour liquid separator afterwards, and refrigerant exists
Heat exchange is carried out with in-car air in condensation process, realizes that in-car is heated, drives coolant to circulate by battery cooler water pump
Vehicular accumulator cell and battery cooler are flowed through, coolant takes away Vehicular accumulator cell heat when flowing through Vehicular accumulator cell, realize vehicle-mounted
Battery radiates, and then transfers heat to refrigerant through battery cooler；
When user's selection is heated, if design temperature-vehicle interior temperature >=8 DEG C, now thermal load of air-conditioning system is higher, then
Opens solenoid valve b, magnetic valve c, magnetic valve f, in-car heat exchanger fan, battery cooler water pump, car external heat exchanger fan, are closed
Magnetic valve a, magnetic valve d, magnetic valve e, subcolling condenser water pump, the refrigerant flowed out from compressor are introduced into in-car heat exchanger and entered
Row condensation, is evaporated subsequently into car external heat exchanger and battery cooler, is most back to compressor through vapour liquid separator afterwards, makes
Cryogen carries out heat exchange in condensation process with in-car air, realizes that in-car is heated, and is driven and cooled down by battery cooler water pump
Liquid recycle stream is through Vehicular accumulator cell and battery cooler, and coolant takes away Vehicular accumulator cell heat when flowing through Vehicular accumulator cell, real
Existing Vehicular accumulator cell radiating, then transfers heat to refrigerant through battery cooler；
When user selects to freeze, then opens solenoid valve a, magnetic valve d, in-car heat exchanger fan, subcolling condenser water pump,
Car external heat exchanger fan, closes magnetic valve b, magnetic valve c, magnetic valve e, magnetic valve f, battery cooler water pump, from compressor stream
The refrigerant gone out is introduced into car external heat exchanger and condensed, and is evaporated subsequently into in-car heat exchanger, most afterwards through vapor-liquid separation
Device is back to compressor, and refrigerant carries out heat exchange in evaporation process with in-car air, realizes in-car refrigeration, passes through low temperature cold
But device water pump driving cooling liquid recycle stream is through Vehicular accumulator cell, water tank and subcolling condenser, when coolant flows through Vehicular accumulator cell
Vehicular accumulator cell heat is taken away, realizes that Vehicular accumulator cell radiates, then heat is lost to outside car in air through subcolling condenser；
When 20 DEG C of ＜ environment temperatures T≤35 DEG C, when electric automobile starts and normally runs, opens solenoid valve a, magnetic valve
D, in-car heat exchanger fan, subcolling condenser water pump, car external heat exchanger fan, close magnetic valve b, magnetic valve c, magnetic valve e, electricity
Magnet valve f, battery cooler water pump, the refrigerant flowed out from compressor are introduced into car external heat exchanger and condensed, subsequently into car
Interior heat exchanger is evaporated, and is most back to compressor through vapour liquid separator afterwards, and refrigerant enters in evaporation process with in-car air
Row heat exchange, realizes in-car refrigeration, by subcolling condenser water pump driving cooling liquid recycle stream through Vehicular accumulator cell and low temperature cold
But device, coolant takes away Vehicular accumulator cell heat when flowing through Vehicular accumulator cell, realize that Vehicular accumulator cell radiates, then through low temperature cold
But heat is lost to outside car in air by device；
As 35 DEG C of environment temperature T ＞, start in electric automobile and during normal operation, opens solenoid valve a, magnetic valve d, electromagnetism
Valve f, car external heat exchanger fan, in-car heat exchanger fan, battery cooler water pump, close magnetic valve b, magnetic valve c, magnetic valve e,
Subcolling condenser water pump, the refrigerant flowed out from compressor is introduced into car external heat exchanger and condensed, subsequently into in-car heat exchange
Device and battery cooler are evaporated, and are most back to compressor through vapour liquid separator afterwards, heat exchanger evaporated refrigerant in the car
Heat exchange is carried out with in-car air in journey, in-car refrigeration is realized, by battery cooler water pump driving cooling liquid recycle stream through car
Battery and battery cooler are carried, coolant takes away Vehicular accumulator cell heat, realizes Vehicular accumulator cell when flowing through Vehicular accumulator cell
Radiating, then transfers heat to refrigerant through battery cooler；
When winter car external heat exchanger needs defrosting, opens solenoid valve a, magnetic valve d, magnetic valve f, car external heat exchanger wind
Fan, battery cooler water pump, close magnetic valve b, magnetic valve c, magnetic valve e, in-car heat exchanger fan, subcolling condenser water pump,
The refrigerant flowed out from compressor is introduced into car external heat exchanger and condensed, and enters subsequently into in-car heat exchanger and battery cooler
Row evaporation, is most back to compressor through vapour liquid separator afterwards, and refrigerant exchanges heat in car external heat exchanger condensation process outside melting vehicle
Device surface frosting, by battery cooler water pump driving cooling liquid recycle stream through Vehicular accumulator cell and battery cooler, coolant
Vehicular accumulator cell heat is taken away when flowing through Vehicular accumulator cell, realizes that Vehicular accumulator cell radiates, then through battery cooler by heat
Pass to refrigerant.
Beneficial effect：
(1) the multi-functional pump type heat electric automobile air-conditioning system of multiple of the present invention, can be very good reply electricity
The annual operating condition of electrical automobile, in-car heat exchanger and battery cooler can need to serve as evaporator and cold according to operating condition
Condenser, car external heat exchanger can serve as evaporator or condenser according to the decision of thermic load Auto-matching, and such heat pump is just
With powerful function, while in-car refrigeration or heating needs are met, being heated or cooled for battery can also be met.
(2) when winter defrosts, using the heating of battery as low level heat energy, the caloric value of car external heat exchanger is added, is removed
More preferably, defrosting time is shorter for white effect.
(3) heating of battery is sufficiently make use of, especially in transition season, user's refrigeration/system can be better met
The need for heat, the efficiency of heat pump is higher, more energy efficient.
Brief description of the drawings
Fig. 1 is the structural representation of the air-conditioning system of the present invention；
Fig. 2 is the working state schematic representation one of the air-conditioning system of the present invention；
Fig. 3 is the working state schematic representation two of the air-conditioning system of the present invention；
Fig. 4 is the working state schematic representation three of the air-conditioning system of the present invention；
Fig. 5 is the working state schematic representation four of the air-conditioning system of the present invention；
Fig. 6 is the working state schematic representation five of the air-conditioning system of the present invention；
Fig. 7 is the working state schematic representation six of the air-conditioning system of the present invention；
Fig. 8 is the working state schematic representation seven of the air-conditioning system of the present invention；
In figure：The in-car heat exchanger of 1- motor compressors, 2- cars external heat exchanger, 3- vapour liquid separators, 4-, the cooling of 5- batteries
Device, 6- Vehicular accumulator cells, 7- battery coolers water pump, 8- electric expansion valve a, 9- electric expansion valve b, 10- magnetic valves a, 11- electricity
Magnet valve b, 12- magnetic valve c, 13- magnetic valve d, 14- magnetic valve e, 15- magnetic valve f, 16- water tank, 17- subcolling condensers water pump,
The in-car heat exchanger wind of 18- two-position three-way valve a, 19- two-position three-way valve b, 20- subcolling condenser, 21- car external heat exchangers fan, 22-
Fan.
Embodiment：
The present invention is done below in conjunction with the accompanying drawings and further explained.
As shown in figure 1, a kind of multi-functional pump type heat electric air-conditioning system of multiple of the present invention, including motor compressor
1st, car external heat exchanger 2, vapour liquid separator 3, in-car heat exchanger 4, battery cooler 5, Vehicular accumulator cell 6, battery cooler water pump
7th, electric expansion valve a8, electric expansion valve b9, magnetic valve a10, magnetic valve b11, magnetic valve c12, magnetic valve d13, magnetic valve
E14, magnetic valve f15, water tank 16, subcolling condenser water pump 17, two-position three-way valve a18, two-position three-way valve b19, subcolling condenser
20th, car external heat exchanger fan 21 and in-car heat exchanger fan 22.
The exhaust outlet of motor compressor 1 connects magnetic valve a10, magnetic valve c12 and magnetic valve e14 one end respectively, electronic
The air entry of compressor 1 connects the exhaust outlet of vapour liquid separator 3, the air entry of vapour liquid separator 3 connect respectively magnetic valve b11,
Magnetic valve d13 and magnetic valve f15 one end, magnetic valve a10 and magnetic valve the b11 other end are all connected with car external heat exchanger 2 and freezed
One end of agent runner, the other end of the refrigerant flow path of car external heat exchanger 2 connects electric expansion valve a8 and electric expansion valve b9 respectively
One end, magnetic valve c12 and magnetic valve the d13 other end is all connected with one end of the in-car refrigerant flow path of heat exchanger 4, in-car heat exchange
The other end connection electric expansion valve a8 of the refrigerant flow path of device 4 other end, magnetic valve e14 and magnetic valve the f15 other end are equal
Connect one end of the refrigerant flow path of battery cooler 5, the other end connection electric expansion valve b9 of the refrigerant flow path of battery cooler 5
The other end.
One end connection triple valve a18 of the cooling liquid flowing channel of Vehicular accumulator cell 6 first port, the coolant of Vehicular accumulator cell 6
The other end connection triple valve b19 of runner first port, the triple valve a18 coolant of second port connection battery cooler 5
One end of runner, the other end of the cooling liquid flowing channel of connection battery cooler 5 connects triple valve b19 by battery cooler water pump 7
Second port, triple valve a18 the 3rd port connects one end of the cooling liquid flowing channel of subcolling condenser 20, the of triple valve b19
Three ports connect the other end of the cooling liquid flowing channel of subcolling condenser 20 by subcolling condenser water pump 17, water tank 16.
The in-car side of heat exchanger 4 sets in-car heat exchanger fan 22, and in-car heat exchanger fan 22 connects in-car air inlet, leads to
Cross in-car heat exchanger fan 22 and in-car air is led into in-car heat exchanger 4, car external heat exchanger 2 and the side of subcolling condenser 20 are set
Car external heat exchanger fan 21, the connection car external air inlet port of car external heat exchanger fan 21, by car external heat exchanger fan 21 by car outer space
Gas leads to car external heat exchanger 2 and subcolling condenser 20.
Air-conditioning system of the present invention can realize a variety of functions, and in-car heat exchanger 4 and battery cooler 6 can be in evaporators and condensation
Flexibly switch between device, concrete function is as follows：
1), can be by in-car heat exchanger 4 and vapor-liquid separation by controlling the break-make of each magnetic valve when in-car needs refrigeration
Device 3 is connected, and now in-car heat exchanger 4 is used as evaporator, and in-car realizes refrigerating function；
2) when Vehicular accumulator cell 6 needs cooling, when environment temperature is relatively low, the water temperature under environment temperature can meet electricity
The radiating requirements in pond, now system unlatching subcolling condenser loop, walks cell heat by coolant liquid band, passes through subcolling condenser
20 are lost to heat in air；It is now each by control when environment temperature is higher, it is possible to open battery chiller circuit
The break-make of magnetic valve, battery cooler 5 is connected with vapour liquid separator 3, and battery cooler is made 5 and used for evaporator, produces low
Warm coolant, is radiated by subcolling condenser water pump driving coolant to Vehicular accumulator cell 6；
3), can be by in-car heat exchanger 4 and compressor 1 by controlling the break-make of each magnetic valve when in-car needs to heat
Exhaust outlet is connected, and now in-car heat exchanger 4 is used as condenser, realizes heat pump heat-production functions；
Further, in transition season, when heating load is relatively low, if the heating of Vehicular accumulator cell 6 can meet heat supply
Demand, outdoor heat exchanger 2 is not involved in circulation, and correspondence outdoor heat exchanger fan 21 is closed, and energy consumption is saved, if Vehicular accumulator cell
6 heating is insufficient for heat demand, can be by controlling the break-make of each magnetic valve, by outdoor heat exchanger 20 and vapor-liquid separation
Device 3 is connected, and now outdoor heat exchanger 20 is used as evaporator, increases the heating load of system；
4) when the temperature of the surroundings is low, electric automobile starts and needs to heat Vehicular accumulator cell 6, can now pass through control
The break-make of each magnetic valve, battery cooler 5 is connected with the exhaust outlet of compressor 1, battery cooler 5 now makes as condenser
With to coolant heating, battery cooler water pump 7 drives coolant to heat battery；
5) when heating in winter, when car external heat exchanger 2 defrosts, it be able to will be run by controlling the break-make of each magnetic valve
Pattern switching is refrigeration, and now indoor heat exchanger fan is closed, and battery cooler 5 is used as evaporator, utilizes vehicular electricity storage
While the heating in pond 6, low level heat energy during defrosting is also improved, increases the caloric value of outdoor heat exchanger 2, when shortening defrosting
Between.
The method of work of the multi-functional pump type heat electric automobile air-conditioning system of the above-mentioned multiple of use of the present invention, the work
Method includes：
When environment temperature≤0 °, when electric automobile starts, as shown in Fig. 2 opens solenoid valve b11, magnetic valve c12, electricity
Magnet valve e14, in-car heat exchanger fan 22, battery cooler water pump 7, car external heat exchanger fan 21, close magnetic valve a10, electromagnetism
Valve d13, magnetic valve f (15), subcolling condenser water pump 17, refrigerant heat exchanger 4 and the battery into the car flowed out from compressor 1
Cooler 5 is condensed, and is evaporated subsequently into car external heat exchanger 2, is most back to compressor 1 after vapour liquid separator 3 afterwards,
Refrigerant carries out heat exchange during heat exchanger 4 is condensed in the car with in-car air, realizes that in-car is heated, passes through battery
The driving cooling liquid recycle stream of cooler water pump 7 is through Vehicular accumulator cell 6 and battery cooler 5, when coolant flows through battery cooler 5
The heat of absorption refrigeration agent, then transfers heat to Vehicular accumulator cell 6, realizes that Vehicular accumulator cell 6 is heated, arrow is represented in figure
The circulation path of refrigerant and coolant；
When environment temperature≤10 °, when electric automobile is normally run, as shown in figure 3, opens solenoid valve b11, magnetic valve
C12, in-car heat exchanger fan 22, subcolling condenser water pump 17, car external heat exchanger fan 21, close magnetic valve a10, magnetic valve
D13, magnetic valve e14, magnetic valve f15, battery cooler water pump 7, the refrigerant flowed out from compressor 1 are introduced into in-car heat exchanger
4 are condensed, and are evaporated subsequently into car external heat exchanger 2, are most back to compressor 1 through vapour liquid separator 3 afterwards, refrigerant exists
Heat exchange is carried out with in-car air in condensation process, realizes that in-car is heated, drives coolant to follow by subcolling condenser water pump 17
Circulation takes away Vehicular accumulator cell 6 through Vehicular accumulator cell 6, water tank 16 and subcolling condenser 20, coolant when flowing through Vehicular accumulator cell 6
Heat, realizes that Vehicular accumulator cell 6 radiates, then heat is lost to outside car in air through subcolling condenser 20；
When 10 DEG C of ＜ environment temperature≤20 DEG C, start in electric automobile and during normal operation, according to user itself need with
And thermal load of air-conditioning system situation determines the working condition of car external heat exchanger 2, specifically includes：
When user selection heat when, if 0 ＜ design temperatures -8 DEG C of vehicle interior temperature ＜, now thermal load of air-conditioning system compared with
It is low, as shown in figure 4, then opens solenoid valve c12, magnetic valve f15, in-car heat exchanger fan 22, battery cooler water pump 7, is closed
Magnetic valve a10, magnetic valve b11, magnetic valve d13, magnetic valve e14, car external heat exchanger fan 21, subcolling condenser water pump 17, from
The refrigerant that compressor 1 flows out is introduced into in-car heat exchanger 4 and condensed, and is evaporated subsequently into battery cooler 5, finally
Compressor 1 is back to through vapour liquid separator 3, refrigerant carries out heat exchange in condensation process with in-car air, realizes in-car system
Heat, by the driving cooling liquid recycle stream of battery cooler water pump 7 through Vehicular accumulator cell 6 and battery cooler 5, coolant flows through car
The heat of Vehicular accumulator cell 6 is taken away when carrying battery 6, realizes that Vehicular accumulator cell 6 radiates, then passes heat through battery cooler 5
Pass refrigerant；
When user's selection is heated, if design temperature-vehicle interior temperature >=8 DEG C, now thermal load of air-conditioning system is higher, such as
Shown in Fig. 5, then opens solenoid valve b11, magnetic valve c12, magnetic valve f15, in-car heat exchanger fan 22, battery cooler water pump 7,
Car external heat exchanger fan 21, closes magnetic valve a10, magnetic valve d13, magnetic valve e14, subcolling condenser water pump 17, from compressor 1
The refrigerant of outflow is introduced into in-car heat exchanger 4 and condensed, and is steamed subsequently into car external heat exchanger 2 and battery cooler 5
Hair, is most back to compressor 1 through vapour liquid separator 3 afterwards, and refrigerant carries out heat exchange with in-car air in condensation process, realized
In-car is heated, by the driving cooling liquid recycle stream of battery cooler water pump 7 through Vehicular accumulator cell 6 and battery cooler 5, coolant
The heat of Vehicular accumulator cell 6 is taken away when flowing through Vehicular accumulator cell 6, realizes that Vehicular accumulator cell 6 radiates, then will through battery cooler 5
Heat transfer is to refrigerant；
When user selects to freeze, as shown in fig. 6, then opens solenoid valve a10, magnetic valve d13, in-car heat exchanger fan
22nd, subcolling condenser water pump 17, car external heat exchanger fan 21, close magnetic valve b11, magnetic valve c12, magnetic valve e14, magnetic valve
F15, battery cooler water pump 7, the refrigerant flowed out from compressor 1 are introduced into car external heat exchanger 2 and condensed, subsequently into car
Interior heat exchanger 4 is evaporated, and is most back to compressor 1 through vapour liquid separator 3 afterwards, refrigerant in evaporation process with in-car air
Heat exchange is carried out, in-car refrigeration is realized, by the driving cooling liquid recycle stream of subcolling condenser water pump 17 through Vehicular accumulator cell 6, water
Case 16 and subcolling condenser 20, coolant take away the heat of Vehicular accumulator cell 6 when flowing through Vehicular accumulator cell 6, realize Vehicular accumulator cell 6
Heat, is then lost to outside car in air by radiating through subcolling condenser 20；
When 20 DEG C of ＜ environment temperatures T≤35 DEG C, when electric automobile starts and normally runs, as shown in fig. 6, opening electromagnetism
Valve a10, magnetic valve d13, in-car heat exchanger fan 22, subcolling condenser water pump 17, car external heat exchanger fan 21, close magnetic valve
B11, magnetic valve c12, magnetic valve e14, magnetic valve f15, battery cooler water pump 7, the refrigerant flowed out from compressor 1 are introduced into
Car external heat exchanger 2 is condensed, and is evaporated subsequently into in-car heat exchanger 4, is most back to compressor through vapour liquid separator 3 afterwards
1, refrigerant carries out heat exchange in evaporation process with in-car air, realizes in-car refrigeration, is driven by subcolling condenser water pump 17
Dynamic cooling liquid recycle stream is through Vehicular accumulator cell 6 and subcolling condenser 20, and coolant takes away vehicular electricity storage when flowing through Vehicular accumulator cell 6
The heat of pond 6, realizes that Vehicular accumulator cell 6 radiates, then heat is lost to outside car in air through subcolling condenser 20；
As 35 DEG C of environment temperature T ＞, start in electric automobile and during normal operation, as shown in fig. 7, opens solenoid valve a10,
Magnetic valve d13, magnetic valve f15, in-car heat exchanger fan 22, car external heat exchanger fan 21, battery cooler water pump 7, close electricity
Magnet valve b11, magnetic valve c12, magnetic valve e14, subcolling condenser water pump 17, the refrigerant flowed out from compressor 1 are introduced into outside car
Heat exchanger 2 is condensed, and is evaporated subsequently into in-car heat exchanger 4 and battery cooler 5, most afterwards through vapour liquid separator 3 times
It flow to compressor 1, refrigerant carries out heat exchange in the evaporation process of heat exchanger 4 with in-car air in the car, realizes in-car refrigeration, leads to
The driving cooling liquid recycle stream of battery cooler water pump 7 is crossed through Vehicular accumulator cell 6 and battery cooler 5, coolant flows through vehicle-mounted storage
The heat of Vehicular accumulator cell 6 is taken away during battery 6, realizes that Vehicular accumulator cell 6 radiates, is then transferred heat to through battery cooler 5
Refrigerant；
When winter car external heat exchanger 2 needs defrosting, as shown in figure 8, opens solenoid valve a10, magnetic valve d13, magnetic valve
F15, car external heat exchanger fan 21, battery cooler water pump 7, close magnetic valve b11, magnetic valve c12, magnetic valve e14, in-car and change
Hot device fan 22, subcolling condenser water pump 17, the refrigerant flowed out from compressor 1 are introduced into car external heat exchanger 2 and condensed, so
Heat exchanger 4 and battery cooler 5 are evaporated into the car afterwards, are most back to compressor 1, refrigerant through vapour liquid separator 3 afterwards
The surface frosting of melting vehicle external heat exchanger 2 in the condensation process of car external heat exchanger 2, coolant is driven by battery cooler water pump 7
Circulation flows through Vehicular accumulator cell 6 and battery cooler 5, and coolant takes away the heat of Vehicular accumulator cell 6 when flowing through Vehicular accumulator cell 6,
Realize that Vehicular accumulator cell 6 radiates, then transfer heat to refrigerant through battery cooler 5.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (2)
1. a kind of multi-functional pump type heat electric air-conditioning system of multiple, it is characterised in that：Outside including motor compressor (1), car
Heat exchanger (2), vapour liquid separator (3), in-car heat exchanger (4), battery cooler (5), Vehicular accumulator cell (6), battery cooler
Water pump (7), electric expansion valve a (8), electric expansion valve b (9), magnetic valve a (10), magnetic valve b (11), magnetic valve c (12), electricity
Magnet valve d (13), magnetic valve e (14), magnetic valve f (15), water tank (16), subcolling condenser water pump (17), two-position three-way valve a
(18), two-position three-way valve b (19), subcolling condenser (20), car external heat exchanger fan (21) and in-car heat exchanger fan (22)；
The exhaust outlet of motor compressor (1) connects magnetic valve a (10), magnetic valve c (12) and magnetic valve e (14) one end respectively,
The exhaust outlet of the air entry connection vapour liquid separator (3) of motor compressor (1), the air entry of vapour liquid separator (3) is connected respectively
Magnetic valve b (11), magnetic valve d (13) and magnetic valve f (15) one end, magnetic valve a (10) and magnetic valve b (11) other end are equal
One end of car external heat exchanger (2) refrigerant flow path is connected, the other end of car external heat exchanger (2) refrigerant flow path connects electronics respectively
Expansion valve a (8) and electric expansion valve b (9) one end, magnetic valve c (12) and magnetic valve d (13) other end are all connected with in-car and changed
One end of hot device (4) refrigerant flow path, the other end connection electric expansion valve a's (8) of in-car heat exchanger (4) refrigerant flow path is another
One end, magnetic valve e (14) and magnetic valve f (15) other end are all connected with one end of battery cooler (5) refrigerant flow path, battery
The other end connection electric expansion valve b (9) of cooler (5) refrigerant flow path other end；
One end connection triple valve a (18) of Vehicular accumulator cell (6) cooling liquid flowing channel first port, Vehicular accumulator cell (6) cooling
The other end connection triple valve b (19) of liquid runner first port, triple valve a (18) second port connection battery cooler
(5) one end of cooling liquid flowing channel, the other end of connection battery cooler (5) cooling liquid flowing channel passes through battery cooler water pump (7)
Triple valve b (19) second port is connected, triple valve a (18) the 3rd port connection subcolling condenser (20) cooling liquid flowing channel
One end, triple valve b (19) the 3rd port is cold by subcolling condenser water pump (17), water tank (16) connection subcolling condenser (20)
But the other end of liquid runner；
In-car heat exchanger (4) side sets in-car heat exchanger fan (22), and in-car heat exchanger fan (22) connects in-car air inlet,
In-car air is led to by in-car heat exchanger (4), car external heat exchanger (2) and subcolling condenser by in-car heat exchanger fan (22)
(20) side sets car external heat exchanger fan (21), car external heat exchanger fan (21) connection car external air inlet port, by being exchanged heat outside car
Air outside car is led to car external heat exchanger (2) and subcolling condenser (20) by device fan (21).
2. the method for work of the multi-functional pump type heat electric air-conditioning system of multiple according to claim 1, it is characterised in that
The method of work includes：
When environment temperature≤0 °, when electric automobile starts, opens solenoid valve b (11), magnetic valve c (12), magnetic valve e (14),
In-car heat exchanger fan (22), battery cooler water pump (7), car external heat exchanger fan (21), close magnetic valve a (10), electromagnetism
Valve d (13), magnetic valve f (15), subcolling condenser water pump (17), the refrigerant heat exchanger into the car flowed out from compressor (1)
(4) condensed, be evaporated subsequently into car external heat exchanger (2) with battery cooler (5), most afterwards through vapour liquid separator (3)
After be back to compressor (1), refrigerant carries out heat exchange during heat exchanger (4) is condensed in the car with in-car air,
Realize that in-car is heated, by battery cooler water pump (7) driving cooling liquid recycle stream through Vehicular accumulator cell (6) and battery cooler
(5) heat of absorption refrigeration agent when, coolant flows through battery cooler (5), then transfers heat to Vehicular accumulator cell (6),
Realize that Vehicular accumulator cell (6) is heated；
When environment temperature≤10 °, when electric automobile is normally run, opens solenoid valve b (11), magnetic valve c (12), in-car heat exchange
Device fan (22), subcolling condenser water pump (17), car external heat exchanger fan (21), close magnetic valve a (10), magnetic valve d (13),
Magnetic valve e (14), magnetic valve f (15), battery cooler water pump (7), the refrigerant flowed out from compressor (1) are introduced into in-car and changed
Hot device (4) is condensed, and is evaporated subsequently into car external heat exchanger (2), is most back to compressor through vapour liquid separator (3) afterwards
(1), refrigerant carries out heat exchange in condensation process with in-car air, realizes that in-car is heated, passes through subcolling condenser water pump
(17) driving cooling liquid recycle stream is through Vehicular accumulator cell (6), water tank (16) and subcolling condenser (20), and coolant flows through vehicle-mounted storage
Vehicular accumulator cell (6) heat is taken away during battery (6), realizes that Vehicular accumulator cell (6) radiates, then through subcolling condenser (20) by heat
Amount is lost in the outer air of car；
When 10 DEG C of ＜ environment temperature≤20 DEG C, when electric automobile starts and normally runs, needed according to user itself and empty
Adjusting system thermic load situation determines car external heat exchanger (2) working condition, specifically includes：
When user's selection is heated, if 0 ＜ design temperatures -8 DEG C of vehicle interior temperature ＜, now thermal load of air-conditioning system is relatively low, then
Opens solenoid valve c (12), magnetic valve f (15), in-car heat exchanger fan (22), battery cooler water pump (7), close magnetic valve a
(10), magnetic valve b (11), magnetic valve d (13), magnetic valve e (14), car external heat exchanger fan (21), subcolling condenser water pump
(17) refrigerant, flowed out from compressor (1) is introduced into in-car heat exchanger (4) and condensed, subsequently into battery cooler (5)
It is evaporated, is most back to compressor (1) through vapour liquid separator (3) afterwards, refrigerant is carried out in condensation process with in-car air
Heat exchange, realizes that in-car is heated, by battery cooler water pump (7) driving cooling liquid recycle stream through Vehicular accumulator cell (6) and electricity
Pond cooler (5), coolant takes away Vehicular accumulator cell (6) heat when flowing through Vehicular accumulator cell (6), realize Vehicular accumulator cell (6)
Radiating, then transfers heat to refrigerant through battery cooler (5)；
When user's selection is heated, if design temperature-vehicle interior temperature >=8 DEG C, now thermal load of air-conditioning system is higher, then opens
Magnetic valve b (11), magnetic valve c (12), magnetic valve f (15), in-car heat exchanger fan (22), battery cooler water pump (7), outside car
Heat exchanger fan (21), closes magnetic valve a (10), magnetic valve d (13), magnetic valve e (14), subcolling condenser water pump (17), from
The refrigerant of compressor (1) outflow is introduced into in-car heat exchanger (4) and condensed, subsequently into car external heat exchanger (2) and battery
Cooler (5) is evaporated, and is most back to compressor (1) through vapour liquid separator (3) afterwards, refrigerant in condensation process with in-car
Air carries out heat exchange, realizes that in-car is heated, by battery cooler water pump (7) driving cooling liquid recycle stream through Vehicular accumulator cell
(6) and battery cooler (5), coolant takes away Vehicular accumulator cell (6) heat, realizes vehicle-mounted storage when flowing through Vehicular accumulator cell (6)
Battery (6) radiates, and then transfers heat to refrigerant through battery cooler (5)；
When user selects to freeze, then opens solenoid valve a (10), magnetic valve d (13), in-car heat exchanger fan (22), low temperature cold
But device water pump (17), car external heat exchanger fan (21), close magnetic valve b (11), magnetic valve c (12), magnetic valve e (14), electromagnetism
Valve f (15), battery cooler water pump (7), the refrigerant flowed out from compressor (1) are introduced into car external heat exchanger (2) and condensed,
It is evaporated subsequently into in-car heat exchanger (4), is most back to compressor (1) through vapour liquid separator (3) afterwards, refrigerant is in evaporation
During carry out heat exchange with in-car air, realize in-car refrigeration, pass through subcolling condenser water pump (17) and drive coolant to circulate
Vehicular accumulator cell (6), water tank (16) and subcolling condenser (20) are flowed through, coolant is taken away vehicle-mounted when flowing through Vehicular accumulator cell (6)
Battery (6) heat, realizes that Vehicular accumulator cell (6) radiates, heat then is lost into air outside car through subcolling condenser (20)
In；
When 20 DEG C of ＜ environment temperatures T≤35 DEG C, when electric automobile starts and normally runs, opens solenoid valve a (10), magnetic valve
D (13), in-car heat exchanger fan (22), subcolling condenser water pump (17), car external heat exchanger fan (21), close magnetic valve b
(11), magnetic valve c (12), magnetic valve e (14), magnetic valve f (15), battery cooler water pump (7), flow out from compressor (1)
Refrigerant is introduced into car external heat exchanger (2) and condensed, and is evaporated subsequently into in-car heat exchanger (4), most afterwards through vapour-liquid point
Compressor (1) is back to from device (3), refrigerant carries out heat exchange in evaporation process with in-car air, realizes in-car refrigeration, leads to
Subcolling condenser water pump (17) driving cooling liquid recycle stream is crossed through Vehicular accumulator cell (6) and subcolling condenser (20), coolant stream
Vehicular accumulator cell (6) heat is taken away during through Vehicular accumulator cell (6), realizes that Vehicular accumulator cell (6) radiates, then through subcolling condenser
(20) heat is lost to outside car in air；
As 35 DEG C of environment temperature T ＞, start in electric automobile and during normal operation, opens solenoid valve a (10), magnetic valve d (13),
Magnetic valve f (15), car external heat exchanger fan (21), in-car heat exchanger fan (22), battery cooler water pump (7), close electromagnetism
Valve b (11), magnetic valve c (12), magnetic valve e (14), subcolling condenser water pump (17), the refrigerant flowed out from compressor (1) are first
Condensed into car external heat exchanger (2), be evaporated, most pass through afterwards subsequently into in-car heat exchanger (4) and battery cooler (5)
Vapour liquid separator (3) is back to compressor (1), and refrigerant carries out heat in heat exchanger (4) evaporation process with in-car air in the car
Exchange, realize in-car refrigeration, by battery cooler water pump (7) driving cooling liquid recycle stream through Vehicular accumulator cell (6) and battery
Cooler (5), coolant takes away Vehicular accumulator cell (6) heat when flowing through Vehicular accumulator cell (6), realize that Vehicular accumulator cell (6) dissipates
Heat, then transfers heat to refrigerant through battery cooler (5)；
When winter car external heat exchanger (2) needs defrosting, opens solenoid valve a (10), magnetic valve d (13), magnetic valve f (15), car
External heat exchanger fan (21), battery cooler water pump (7), close magnetic valve b (11), magnetic valve c (12), magnetic valve e (14), car
Interior heat exchanger fan (22), subcolling condenser water pump (17), the refrigerant flowed out from compressor (1) are introduced into car external heat exchanger
(2) condensed, be evaporated subsequently into in-car heat exchanger (4) and battery cooler (5), most afterwards through vapour liquid separator (3)
Compressor (1) is back to, refrigerant melting vehicle external heat exchanger (2) surface frosting in car external heat exchanger (2) condensation process passes through
Battery cooler water pump (7) driving cooling liquid recycle stream is through Vehicular accumulator cell (6) and battery cooler (5), and coolant flows through car
Vehicular accumulator cell (6) heat is taken away when carrying battery (6), realizes that Vehicular accumulator cell (6) radiates, then through battery cooler (5)
Transfer heat to refrigerant.
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