CN107356023A - Heat pump type air conditioning system and electric automobile - Google Patents
Heat pump type air conditioning system and electric automobile Download PDFInfo
- Publication number
- CN107356023A CN107356023A CN201610310423.2A CN201610310423A CN107356023A CN 107356023 A CN107356023 A CN 107356023A CN 201610310423 A CN201610310423 A CN 201610310423A CN 107356023 A CN107356023 A CN 107356023A
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- China
- Prior art keywords
- branch road
- heat exchanger
- valve
- outlet
- air conditioning
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
Abstract
The invention discloses a kind of heat pump type air conditioning system and electric automobile,The system includes compressor,Indoor condenser,Indoor evaporator and outdoor heat exchanger,Compressor connects with indoor condenser,Indoor condenser connects via first throttle branch road or the first through-flow branch road with indoor evaporator,Outdoor heat exchanger is connected with the low-pressure admission mouth of compressor via the second through-flow branch road or connected via the second throttling branch road with indoor evaporator,Indoor evaporator connects with the low-pressure admission mouth of compressor,Indoor condenser is connected by the first increasing enthalpy branch road of on or off with outdoor heat exchanger,Outdoor heat exchanger is connected by the second increasing enthalpy branch road with being pressed into gas port in compressor,First increasing enthalpy branch road and the second increasing enthalpy branch road carry out heat exchange by the first plate type heat exchanger,The first expansion valve is provided with second increasing enthalpy branch road,Outdoor heat exchanger is connected by the first expansion valve with the first plate type heat exchanger.Heating efficiency is improved thus, it is possible to reach, meets defrosting-defogging laws and regulations requirement and other effects.
Description
Technical field
The present invention relates to the field of air conditioning of electric automobile, in particular it relates to a kind of heat pump type air conditioning system and electricity
Electrical automobile.
Background technology
Electric automobile does not have the engine exhaust heat that orthodox car is used for heating, can not provide heating reservoir.Cause
This, the air-conditioning system of electric automobile itself must have the function of heating, i.e., using heat pump type air conditioner system
And/or electrical heating heat supply.
It is empty that Publication No. CN102788397A application for a patent for invention discloses a kind of electric automobile heat-pump
Adjusting system.Although the heat pump type air conditioning system can use in all kinds of electric automobiles, the system uses
Two outdoor heat exchangers (an outdoor condenser and an outdoor evaporator), cause front-end module
Windage is larger, and system architecture is more complicated, influences heating effect.
The content of the invention
It is an object of the invention to provide a kind of heat pump type air conditioning system and electric automobile, to solve without more than engine
The pure electric vehicle or hybrid electric vehicle of heat circulating system use the automobile heat pump air-conditioning system of electric-only mode
Heating efficiency is low, can not meet defrosting-defogging laws and regulations requirement, installs the problems such as complicated, can significantly improve
The heating performance of electric automobile.
To achieve these goals, according to the first aspect of the invention, there is provided a kind of heat pump type air conditioning system,
Including compressor, indoor condenser, indoor evaporator and outdoor heat exchanger, the outlet of the compressor with
The indoor condenser entrance connection, the egress selection of the indoor condenser via first throttle
Branch road or the first through-flow branch road connect with the entrance of the outdoor heat exchanger, the outlet of the outdoor heat exchanger
Optionally connected via the second through-flow branch road with the low-pressure admission mouth of the compressor or via the second section
Stream branch road connects with the entrance of the indoor evaporator, the outlet of the indoor evaporator and the compressor
Low-pressure admission mouth connection, the indoor condenser outlet also via the first of selective on or off
Increasing enthalpy branch road connects with the entrance of the outdoor heat exchanger, and the outlet of the outdoor heat exchanger is also via second
Increasing enthalpy branch road connects with being pressed into gas port in the compressor, the first increasing enthalpy branch road and the second increasing enthalpy branch
Road carries out heat exchange by the first plate type heat exchanger, and the first expansion is provided with the second increasing enthalpy branch road
Valve, the outlet of the outdoor heat exchanger are connected by first expansion valve and first plate type heat exchanger
It is logical.
Alternatively, first switch valve is provided with the first increasing enthalpy branch road, the indoor condenser goes out
Mouth connects via the first switch valve with first plate type heat exchanger.
Alternatively, second switch valve is provided with the described first through-flow branch road, on the first throttle branch road
It is provided with the second expansion valve.
Alternatively, the system also includes expansion switch valve, the entrance of the expansion switch valve and the interior
The outlet of condenser, the outlet of the expansion switch valve connect with the entrance of the outdoor heat exchanger, institute
Throttling runner of the first throttle branch road for the expansion switch valve is stated, the first through-flow branch road is described swollen
The through-flow runner of swollen switch valve.
Alternatively, the 3rd switch valve is provided with the described second through-flow branch road, described second throttles on branch road
It is provided with the 3rd expansion valve.
Alternatively, the outlet of the indoor evaporator is via check valve and the low-pressure admission mouth of the compressor
Connection.
Alternatively, the heat pump type air conditioning system is applied to electric automobile, is also set on the second through-flow branch road
The second plate type heat exchanger is equipped with, the motor that second plate type heat exchanger is arranged on the electric automobile simultaneously is cold
But in system.
Alternatively, the 3rd switch valve, second plate type heat exchanger are provided with the described second through-flow branch road
Refrigerant inlet and the outdoor heat exchanger outlet, the refrigerant of second plate type heat exchanger
Outlet connects with the entrance of the 3rd switch valve.
Alternatively, the electromotor cooling system includes connecting to form loop with second plate type heat exchanger
Motor, motor radiator and water pump.
Alternatively, the system also includes gas-liquid separator, the outlet of the indoor evaporator and the gas
The entrance connection of liquid/gas separator, the outlet of the outdoor heat exchanger via the described second through-flow branch road with it is described
The entrance connection of gas-liquid separator, the outlet of the gas-liquid separator and the low-pressure admission mouth of the compressor
Connection.
Alternatively, the system also includes ptc heater, and the ptc heater flows through institute for heating
State the wind of indoor condenser.
Alternatively, the ptc heater is arranged on the windward side or leeward side of the indoor condenser.
According to the second aspect of the invention, there is provided a kind of electric automobile, including first aspect present invention institute
The heat pump type air conditioning system stated.
Heat pump type air conditioning system provided by the invention, can be real in the case where not changing refrigerant circulation direction
Existing automotive air-conditioning system refrigeration and heating, outdoor heat exchanger defrosting function, and can meet that refrigeration is adopted simultaneously
Warm demand.During outdoor heat exchanger bypass defrosting, remain to meet in-car heating demand.In addition,
Because the heat pump type air conditioning system of the present invention is only with an outdoor heat exchanger, therefore automotive front end can be reduced
The windage of module, solve no engine exhaust heat circulatory system pure electric vehicle or hybrid electric vehicle using pure
The automobile heat pump air-conditioning system heating efficiency of electric model is low, can not meet defrosting-defogging laws and regulations requirement, peace
The problems such as complicated is filled, reaching reduces energy consumption, simplied system structure, the effect for facilitating pipeline to arrange.In addition,
The present invention can significantly improve the low-temperature heating performance of system by setting increasing enthalpy branch road in systems.This
The heat pump type air conditioning system that invention provides has the characteristics of simple in construction, therefore is easy to produce in batches.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing be for providing a further understanding of the present invention, and a part for constitution instruction, with
Following embodiment is used to explain the present invention together, but is not construed as limiting the invention.
In accompanying drawing：
Fig. 1 is the structural representation according to the heat pump type air conditioning system of one embodiment of the present invention；
Fig. 2 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 3 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 4 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 5 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 6 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 7 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 8 is the structural representation according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 9 is the overlooking the structure diagram for the expansion switch valve that the preferred embodiment for the present invention provides；
Figure 10 be along the cross-sectional view crossed by Fig. 9 center lines AB-AB, wherein, the first valve port
Open mode is in the second valve port；
Figure 11 is that the expansion switch valve that the preferred embodiment for the present invention provides along visual angle faces knot
Structure schematic diagram；
Figure 12 be along the cross-sectional view crossed by Fig. 9 center lines AB-AB, wherein, the first valve port
In open mode, the second valve port is in closure state；
Figure 13 be along the cross-sectional view crossed by Fig. 9 center lines AB-AB, wherein, the first valve port
In closure state, the second valve port is in open mode；
Figure 14 is the facing along another visual angle for the expansion switch valve that the preferred embodiment for the present invention provides
Structural representation；
Figure 15 be along the cross-sectional view crossed by Figure 14 center lines AC-AC, wherein, the first valve
Mouth is in open mode, and the second valve port is in closure state；
Figure 16 is the first internal structure schematic diagram of the expansion switch valve that the preferred embodiment for the present invention provides,
Wherein, the first valve port and the second valve port are in open mode；
Figure 17 is the partial enlarged drawing in A portions in Figure 16；
Figure 18 is the second internal structure schematic diagram of the expansion switch valve that the preferred embodiment for the present invention provides,
Wherein, the first valve port is in open mode, and the second valve port is closed；
Figure 19 is the 3rd internal structure schematic diagram of the expansion switch valve that the preferred embodiment for the present invention provides,
Wherein, the first valve port is closed, and the second valve port is in open mode.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that
Embodiment described herein is merely to illustrate and explain the present invention, and is not limited to this hair
It is bright.
In the present invention, in the case where not making opposite explanation, the noun of locality that uses as " it is upper and lower, left,
It is right " be typically for the page of accompanying drawing, " upstream, downstream " be relative to medium,
Such as, it is downstream towards the flow direction of refrigerant specifically for the flow direction of refrigerant, the back of the body
Flow direction from refrigerant is upstream, " inside and outside " refer to corresponding component profile it is interior with it is outer.
In addition, in the present invention, electric automobile can include pure electric automobile, hybrid vehicle, combustion
Expect battery car.
Fig. 1 is the structural representation according to the heat pump type air conditioning system of one embodiment of the present invention.Such as figure
Shown in 1, the system can include：HVAC (heating and ventilation and air-conditioning, Heating Ventilation and
Air Conditioning) assembly 600 and air door mechanism (not shown), wherein, HVAC assemblies 600
Indoor condenser 601 and indoor evaporator 602 can be included.Air door mechanism can be used for conducting and lead to room
The air channel of interior evaporator 602 and indoor condenser 601.As shown in figure 1, the outlet of compressor 604 with
Indoor condenser 601 entrance connection, the egress selection of indoor condenser 601 via first throttle
Branch road or the first through-flow branch road connect with the entrance of outdoor heat exchanger 605, the outlet of outdoor heat exchanger 605
Optionally connected via the second throttling branch road or the second through-flow branch road with the entrance of indoor evaporator 602,
The outlet of indoor evaporator 602 connects with the low-pressure admission mouth 604a of compressor 604.Indoor condenser
601 outlet also passes through the first increasing enthalpy branch road 621 and outdoor heat exchanger 605 of selective on or off
Entrance connection, the outlet of outdoor heat exchanger 605 also passes through the second increasing enthalpy branch road 622 and compressor 604
In be pressed into gas port 604b connection, the first increasing enthalpy branch road 621 and the second increasing enthalpy branch road 622 pass through first
Plate type heat exchanger 620 carries out heat exchange, and the first expansion valve 623 is provided with the second increasing enthalpy branch road 622,
The outlet of outdoor heat exchanger 605 is connected by the first expansion valve 623 with the first plate type heat exchanger 620.Should
First increasing enthalpy branch road 621 and the second increasing enthalpy branch road 622 are used to lead under following ultralow temperature heating patterns
It is logical, performance of the system under ultra-low temperature surroundings can be significantly improved.Specifically, the first increasing enthalpy branch road 621
On can be provided with first switch valve 624, the outlet of indoor condenser 601 is via first switch valve 624
Connected with the first plate type heat exchanger 620, i.e. control of the first increasing enthalpy branch road 621 in first switch valve 624
Under realize on or off.It should also be noted that, the second increasing enthalpy branch road 622 is provided with the first expansion valve
623, the first expansion valve 623 can realize the conducting of the second increasing enthalpy branch road 622 by adjusting aperture or cut
Only.
In the present invention, or the outlet of indoor condenser 601 is via first throttle branch road and outdoor heat exchange
The entrance connection of device 605, otherwise connected via the first through-flow branch road with the entrance of outdoor heat exchanger 605.
This mode of communicating can be realized using various ways.For example, in one embodiment, such as Fig. 1
Shown, heat pump type air conditioning system can also include expansion switch valve 603, the entrance of the expansion switch valve 603
With the outlet of indoor condenser 601, outlet and the outdoor heat exchanger 605 of the expansion switch valve 603
Entrance connection, wherein, first throttle branch road for expansion switch valve 603 throttling runner, first is through-flow
Branch road is the through-flow runner of expansion switch valve 603.
In the present invention, it is that there is expansion valve function to be also referred to as electric expansion valve work(simultaneously to expand switch valve
The valve of magnetic valve function can be also referred to as with switch valve function, can be regarded as being switch valve and expansion
Valve integrates.Through-flow runner and throttling runner are internally formed in expansion switch valve, when expansion switch valve
As switch valve in use, its internal through-flow runner conducting, now forms through-flow branch road；When expanding
Valve is closed as expansion valve in use, its internal throttling runner conducting, now forms throttling branch road.
Embodiment alternatively, as shown in Fig. 2 the heat pump type air conditioning system can also include
The expansion valve 607 of second switch valve 608 and second, wherein, it is provided with second switch on the first through-flow branch road
Valve 608, the second expansion valve 607 is provided with first throttle branch road.Specifically, as shown in Fig. 2 room
The outlet of inner condenser 601 is connected with shape via second switch valve 608 with the entrance of outdoor heat exchanger 605
Into the first through-flow branch road, the outlet of indoor condenser 601 is via the second expansion valve 607 and outdoor heat exchanger
605 entrance is connected to form first throttle branch road.When system is under high-temperature refrigeration pattern, second
Switch valve 608 is turned on, and the second expansion valve 607 is closed, and the outlet of indoor condenser 601 is logical via first
Stream branch road connects with the entrance of outdoor heat exchanger 605.When system is under low temperature heating pattern, second
Expansion valve 607 is turned on, and second switch valve 608 is closed, and the outlet of indoor condenser 601 is via first segment
Stream branch road connects with the entrance of outdoor heat exchanger 605.
Laid in order to facilitate pipeline, save space hold, it is preferable that in heat pump air conditioner provided by the invention
Using expansion switch valve 603 in system, i.e. the embodiment shown in Fig. 1.
With the implementation of the first through-flow branch road and first throttle branch road in the embodiment of above-mentioned replacement
It is similar, as shown in figure 1, the 3rd switch valve 610 is provided with the second through-flow branch road, the second throttling branch
The 3rd expansion valve 609 is provided with road.As shown in figure 1, the heat pump type air conditioning system can also include the 3rd
The expansion valve 609 of switch valve 610 and the 3rd, wherein, the 3rd switch valve 610 is provided with the second through-flow branch road,
The 3rd expansion valve 609 is provided with second throttling branch road.Specifically, as shown in figure 1, outdoor heat exchanger
605 outlet connects logical to form second via the 3rd switch valve 610 with the entrance of indoor evaporator 602
Flow branch road, the outlet of outdoor heat exchanger 605 enters via the 3rd expansion valve 609 and indoor evaporator 602
Mouth is connected to form the second throttling branch road.When system is under high-temperature refrigeration pattern, the 3rd expansion valve 609
Conducting, the 3rd switch valve 610 are closed, and the outlet of outdoor heat exchanger 605 is via the second throttling branch road and room
The entrance connection of interior evaporator 602.When system is under low temperature heating pattern, the 3rd switch valve 610
Conducting, the 3rd expansion valve 609 are closed, and the outlet of outdoor heat exchanger 605 is via the second through-flow branch road and pressure
The low-pressure admission mouth 604a connections of contracting machine 604.
Fig. 3 to Fig. 6 is shown to be shown according to the structure of the heat pump type air conditioning system of another embodiment of the present invention
It is intended to.As shown in Figures 3 to 6, the heat pump type air conditioning system can also include gas-liquid separator 611 and list
To valve 625, wherein, the outlet of indoor evaporator 602 connects with the entrance of gas-liquid separator 611, gas
The outlet of liquid/gas separator 611 connects with the low-pressure admission mouth 604a of compressor 604.So, refrigerant
Gas-liquid separator 611 can be first passed around and carry out gas-liquid separation, the gas isolated is back to compressor again
In 604, compressor 604 is damaged so as to prevent liquid refrigerant from entering compressor 604, so as to
To extend the service life of compressor 604, and improve the efficiency of whole heat pump type air conditioning system.Indoor evaporation
The outlet of device 602 is connected by check valve 625 with the entrance of gas-liquid separator 611.Here, set single
It is to prevent that refrigerant is back to room under low temperature heating pattern (described in detail below) to valve 625
Interior evaporator 602, influences heating effect.
Heat pump type air conditioning system provided by the invention will be described in detail by taking Fig. 3 to Fig. 6 as an example below in difference
Mode of operation under cyclic process and principle.It should be appreciated that other embodiment is (for example, figure
Embodiment shown in 1 to Fig. 3) under system circulation process and principle to Fig. 3 to Fig. 6 be it is similar,
Just no longer repeat one by one herein.
Pattern one：High-temperature refrigeration pattern.System in this mode when, whole system formed a height
Warm cooling cycle system.As shown in figure 3, first, compressor 604 discharges HTHP through overcompression
Gas, it is connected with indoor condenser 601.Now, wind is controlled without indoor condensation by air door mechanism
Device 601, due to calm process, therefore, heat exchange, the room will not be carried out in condenser 601 indoors
Inner condenser 601 is only used as runner, and now indoor condenser 601 is exported still as the gas of HTHP
Body.The indoor outlet of condenser 601 is connected with expansion switch valve 603, now expands switch valve 603 and rises out
Valve action is closed, is only flowed through as runner, switch valve 603 is now expanded and exports still as the gas of HTHP.
The outlet of expansion switch valve 603 is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 changes with outdoor air
Heat, heat is dispersed into air, the outlet of outdoor heat exchanger 605 is the liquid of medium temperature high pressure.Now,
3rd switch valve 610 is closed, and the outlet of outdoor heat exchanger 605 is connected with the 3rd expansion valve 609, and the 3rd is swollen
Swollen valve 609 plays throttling action as restricting element, and its outlet is low temperature and low pressure liquid.3rd expansion valve
609 apertures can give certain aperture according to the actual requirements, and this aperture can steam indoors according to installation
Send out the pressure and temperature of the pressure-temperature sensor between the outlet of device 602 and the entrance of gas-liquid separator 611
Degree gathered data calculates Refrigerant Superheat at Evaporator Outlet to adjust.3rd expansion valve 609 exports and room
The entrance of interior evaporator 602 is connected, and low temperature and low pressure liquid is evaporated in evaporator 602 indoors, is made
Obtain gas of the outlet of indoor evaporator 602 for low-temp low-pressure.The outlet of indoor evaporator 602 and check valve
625 entrance is connected, and the outlet of check valve 625 is connected with the entrance of gas-liquid separator 611, not steaming
The liquid distributed is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure is via compressor 604
Low-pressure admission mouth 604a return in compressor 604, be consequently formed a circulation.Now HVAC is total
Flow direction into 600 apoplexy flows only through indoor evaporator 602, indoor 601 calm process of condenser, only makees
Flowed through for refrigerant flow path.In addition, the expansion valve 623 of first switch valve 624 and first is in closing shape
State, so that the first increasing enthalpy branch road 621 and the second increasing enthalpy branch road 622 are turned off.
Pattern two：Low temperature heating pattern.System in this mode when, whole system formed one it is low
Warm heating circulation system.As shown in figure 4, first, compressor 604 discharges HTHP through overcompression
Gas, it is connected with indoor condenser 601, progress is cold in condenser 601 indoors for the gas of HTHP
It is solidifying so that the indoor outlet of condenser 601 is the liquid of medium temperature high pressure.The outlet of indoor condenser 601 with it is swollen
Swollen switch valve 603 is connected, and now expands switch valve 603 and plays expansion valve, is risen as restricting element
To throttling action, it exports the liquid for low-temp low-pressure.Wherein, the aperture for expanding switch valve 603 can be with
Certain aperture is given according to the actual requirements, and this aperture can be according to installed in the exit of compressor 604
The number of temperature acquisition data (i.e. compressor exhaust temperature) of pressure-temperature sensor adjust.
The outlet of expansion switch valve 603 is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 absorbs outdoor air
Heat, outdoor heat exchanger 605 outlet for low-temp low-pressure gas.Now, the 3rd switch valve 610 is beaten
Open, the 3rd expansion valve 609 is closed, and refrigerant is directly entered gas-liquid separation without indoor evaporator 602
In device 611, the liquid not being evaporated is separated by gas-liquid separator 611, the gas of last low-temp low-pressure
Returned to via the low-pressure admission mouth 604a of compressor 604 in compressor 604, be consequently formed a circulation.
In addition, the expansion valve 623 of first switch valve 624 and first is in closed mode, so that the first increasing enthalpy
The increasing enthalpy branch road 622 of branch road 621 and second is turned off.
Pattern three：Ultralow temperature heating pattern.System in this mode when, whole system formed one
Ultralow temperature heating circulation system.As shown in figure 5, on the basis of above-mentioned low temperature heating pattern, open
The expansion valve 623 of first switch valve 624 and first, so that the first increasing enthalpy branch road 621 and the second increasing enthalpy branch
Road 622 is both turned on.The liquid of the medium temperature high pressure of the so indoor outlet of condenser 601 outflow is divided into two-way,
Expanded switch valve 603 throttling all the way becomes low temperature and low pressure liquid and enters outdoor heat exchanger 605, another way
It is transformed into cryogenic high pressure liquid through the plate type heat exchanger 620 of first switch valve 624 and first and enters outdoor heat exchange
Device 5.The refrigerant come out from outdoor heat exchanger 605 is the mixed of low temperature low pressure gas and cryogenic high pressure liquid
Compound, wherein, the low pressure that low temperature low pressure gas enters compressor 604 via the 3rd switch valve 610 is entered
Gas port 604a, it is consequently formed a circulation；Cryogenic high pressure liquid becomes low through the throttling of the first expansion valve 623
Middle benefit gas press liquid, press liquid is transformed into medium temperature and medium pressure gas through the first plate type heat exchanger 620 in the low temperature,
Gas port 604b is pressed into compressor 604, is consequently formed a circulation.It can thus be seen that the
Refrigerant on two increasing enthalpy branch roads 622 is during by the first plate type heat exchanger 620 from the first increasing enthalpy
Heat is absorbed in refrigerant on branch road 621, so as to improve the suction temperature of compressor 604 and suction
Tolerance, improve the heating performance of system.
Pattern four：Refrigeration and heating pattern simultaneously.System in this mode when, whole system formed one
Individual refrigeration and heating while open cycle system.As shown in fig. 6, first, compressor 604 is discharged through overcompression
The gas of HTHP, it is connected with indoor condenser 601, the gas of HTHP condenser 601 indoors
Inside condensed so that the indoor outlet of condenser 601 is the liquid of medium temperature high pressure.Indoor condenser 601
Outlet is connected with expansion switch valve 603, now expands switch valve 603 and plays expansion valve, as section
Fluid element plays throttling action, and its outlet is low temperature and low pressure liquid.Wherein, opening for switch valve 603 is expanded
Degree can give certain aperture according to the actual requirements, and this aperture can be according to installed in compressor 604
The temperature acquisition data of the pressure-temperature sensor in exit is that the number of compressor exhaust temperature is adjusted
Section.The outlet of expansion switch valve 603 is connected with outdoor heat exchanger 605, and the outlet of outdoor heat exchanger 605 is low
The liquid of warm low pressure, now, the 3rd switch valve 610 are closed, and the 3rd expansion valve 609 is opened, and the 3rd is swollen
Swollen valve 609 throttles once again as restricting element.3rd expansion valve 609 exports and indoor evaporator 602
It is connected, the liquid of low-temp low-pressure is evaporated in evaporator 602 indoors so that indoor evaporator 602
Export the gas for low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 605, not evaporating
Complete liquid is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure is via compressor 604
Low-pressure admission mouth 604a is returned in compressor 604, is consequently formed a circulation.Now HVAC assemblies
Wind in 600 simultaneously flows through indoor condenser 601 and indoor evaporator 602.
Pattern five：Outdoor heat exchanger defrosting mode.As shown in figure 4, first, compressor 604 is through overvoltage
Indent out the gas of HTHP, be connected with indoor condenser 601.Now, indoor condenser 601 is only
Flowed through as runner, indoor condenser 601 is exported still as the gas of HTHP.Indoor condenser 601
Outlet is connected with expansion switch valve 603, now expands switch valve 603 and plays switch valve action, only as stream
Road flows through, and now expands switch valve 603 and exports still as the gas of HTHP.Expansion switch valve 603 goes out
Mouth is connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 is exchanged heat with outdoor air, and heat is dispersed into
In air, the outlet of outdoor heat exchanger 605 is the liquid of medium temperature high pressure.Now, the 3rd switch valve 610 closes
Closing, the 3rd expansion valve 609 is opened, and the 3rd expansion valve 609 plays throttling action as restricting element, its
Export as low temperature and low pressure liquid.The aperture of 3rd expansion valve 609 can give certain open according to the actual requirements
Degree, this aperture can be according to the entrances installed in the outlet of indoor evaporator 602 and gas-liquid separator 611
Between pressure-temperature sensor pressure and temperature gathered data calculate evaporator outlet refrigerant superheat
Spend to adjust.The outlet of 3rd expansion valve 609 is connected with indoor evaporator 602, and indoor evaporator 602 goes out
Mouth is the gas of low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 611, not being evaporated
Liquid separated by gas-liquid separator 611, the gas of last low-temp low-pressure is returned in compressor 604,
It is consequently formed a circulation.Now HVAC assemblies 600 can not blow in.
To sum up, heat pump type air conditioning system provided by the invention, in the case where not changing refrigerant circulation direction
Automotive air-conditioning system refrigeration and heating, outdoor heat exchanger defrosting function can be achieved, and can meet simultaneously
The demand of refrigeration and heating.During outdoor heat exchanger bypass defrosting, remain to meet in-car heating demand.
Further, since the heat pump type air conditioning system of the present invention therefore can reduce vapour only with an outdoor heat exchanger
The windage of Chinese herbaceous peony end module, solve the pure electric vehicle or hybrid electric vehicle of no engine exhaust heat circulatory system
Using the automobile heat pump air-conditioning system heating efficiency of electric-only mode it is low, can not meet defrosting-defogging regulation will
Ask, the problems such as complicated is installed, reaching reduces energy consumption, simplied system structure, the effect for facilitating pipeline to arrange.
In addition, the present invention can significantly improve the low temperature heating of system by setting increasing enthalpy branch road in systems
Energy.Heat pump type air conditioning system provided by the invention has the characteristics of simple in construction, therefore is easy to produce in batches.
In low temperature heating pattern, ultralow temperature heating pattern and simultaneously under refrigeration and heating pattern, in order to improve
Heating ability, it is preferable that board-like changed as shown in fig. 7, being provided with second in whole heat pump type air conditioning system
Hot device 612, second plate type heat exchanger 612 are also disposed in the electromotor cooling system of electric automobile simultaneously
In.So, the waste heat of electromotor cooling system can be utilized to give air-conditioning system refrigerant heat, so as to carry
The suction temperature and inspiratory capacity of high compressor 604.
Plate type heat exchanger 612 can arbitrarily be arranged on the upstream or downstream of the 3rd switch valve 610.In Fig. 7
In the embodiment shown, plate type heat exchanger 612 is arranged on the upstream of the 3rd switch valve 610, i.e. plate
The refrigerant inlet 612a of formula heat exchanger 612 and the outlet of outdoor heat exchanger 605, plate-type heat-exchange
The refrigerant outlet 612b of device 612 connects with the entrance of the 3rd switch valve 610.In another embodiment party
(not shown) in formula, plate type heat exchanger 612 are arranged on the downstream of the 3rd switch valve 610, i.e. board-like
The refrigerant inlet 612a of heat exchanger 612 and the outlet of the 3rd switch valve 610, plate type heat exchanger
612 refrigerant outlet 612b connects with the entrance of gas-liquid separator 611.
At the same time, plate type heat exchanger 612 is arranged in electromotor cooling system simultaneously.As shown in fig. 7,
Electromotor cooling system can include connecting with plate type heat exchanger 612 to form the motor in loop, motor radiating
Device 613 and water pump 614.So, refrigerant can pass through plate type heat exchanger 612 and electromotor cooling system
In coolant carry out heat exchange.Refrigerant is returned in compressor 604 after the 3rd switch valve 610.
In heat pump type air conditioning system provided by the invention, R134a, R410a, R32, R290 can be used
Etc. various refrigerants, preferentially high temperature refrigerant is selected.
Fig. 8 is the structural representation according to the heat pump type air conditioning system of another embodiment of the present invention.Such as figure
Shown in 8, HVAC assemblies 600 can also include ptc heater 619, and the ptc heater 619 is used
Heated in the wind to flowing through indoor condenser 601.
In the present invention, ptc heater 619 can be high pressure PTC (being driven by vehicle high-tension battery),
Voltage range：200V-900V.Or ptc heater 619 can also be low pressure PTC (12V or
24V batteries drive), voltage range：9V-32V.In addition, this ptc heater 619 can be by
Several or a complete core body of several pieces of PTC-ceramic piece modules and radiating fin composition, or
The PTC-ceramic piece module of strip with radiating fin or bulk.
In the present invention, the ptc heater 619 can arrange the windward side of condenser 601 indoors
Or leeward side.Also, in order to improve the heating effect of the wind to flowing through indoor condenser 601, the PTC
Heater 619 can be arranged in parallel with indoor condenser 601.In other embodiments, the PTC
Heater 619 can also be arranged in the blowing at pin air port and defrosting outlet of the casing of HVAC assemblies 600,
It can also be arranged at the air port of defrosting duct.
If ptc heater 619 is arranged in the windward side or leeward of casing interior room inner condenser 601
Side, be arranged in parallel with indoor condenser 601, can the grooving on casing housing, ptc heater 619 hang down
Straight cutting enters to put casing into, can also welding support, ptc heater on the side plate of condenser 601 indoors
619 are fixed by screws on the support of indoor condenser 601.If ptc heater 619 is arranged
In blowing at pin air port and defrosting outlet for casing, or it is arranged at the air port of defrosting duct, screw can be passed through
It is directly anchored at the air port of casing air outlet and wind passage mouth.
By this embodiment, when temperature is too low outside car, the heating capacity of heat pump low temperature heating is unsatisfactory for car
During interior demand, the auxiliary heating heating of ptc heater 619 can be run, it is possible thereby to eliminate heat pump air conditioner
The defects of heating capacity is small when system hypothermia heats, and vehicle defrosting-defogging is slow, and heating effect is bad.
As above, in the present invention, it is to have expansion valve function and switch valve function simultaneously to expand switch valve
Valve, it is the integrated of switch valve and expansion valve that can be regarded as.One kind is will be provided below to expand
Close the example embodiment of valve.
As shown in figure 9, expansion switch valve mentioned above can include valve body 500, wherein, the valve body
On 500 formed with import 501, outlet 502 and connection import 501 and outlet 502 between in
Portion's runner, the first valve element 503 and the second valve element 504 are installed on inner flow passage, the first valve element 503 makes
Obtain import 501 directly to connect with outlet 502 or disconnect connection, the second valve element 504 causes the He of import 501
Outlet 502 is connected by restriction 505 or disconnects connection.
Wherein, " the directly connection " that the first valve element is realized refers to enter from the import 501 of valve body 500
Cooling agent can cross the first valve element and valve body 500 is insusceptibly flowed directly to by inner flow passage
Outlet 502, " the disconnecting connection " that the first valve element is realized refer to enter from the import 501 of valve body 500
Cooling agent can not cross the first valve element and the outlet 502 of valve body 500 can not be flowed to by inner flow passage.
" being connected by restriction " that second valve element is realized refers to from the cold of the entrance of import 501 of valve body 500
But the outlet 502 of valve body 500 is flowed to after the throttling that agent can cross the second valve element and pass through restriction, and
" disconnect connection " that second valve element is realized refer to from the cooling agent of the entrance of import 501 of valve body 500 without
Method crosses the second valve element and the outlet 502 of valve body 500 can not be flowed to by restriction 505.
So, can be made by the control to the first valve element and the second valve element, expansion switch valve of the invention
Obtain the cooling agent entered from import 501 and at least realize three kinds of states.That is, 1) cut-off state；2) cross
The direct connected state of first valve element 503；And 3) cross the throttling mode of communicating of the second valve element 504.
Wherein, the liquid refrigerant of HTHP can turn into low temperature again after the throttling of restriction 505
The vaporific hydraulic pressure refrigerant of low pressure, can be that the evaporation of refrigerant create conditions, i.e. restriction 505
Cross-sectional area is less than the cross-sectional area of outlet 504, and by controlling the second valve element, restriction 505
Aperture size can be adjusted, and with flow of the controlling stream through restriction 505, be prevented because of the very few generation of refrigerant
Refrigeration deficiency, and prevent from causing compressor generation liquid hit phenomenon because refrigerant is excessive.That is, second
The cooperation of valve element 504 and valve body 500 can make it that expanding switch valve has the function of expansion valve.
So, by installing the first valve element 503 and the second valve element on the inner flow passage of same valve body 500
504, it is simple in construction to realize the break-make control of import 501 and outlet 502 and/or throttling control function,
It is readily produced and installs, and when expansion switch valve provided by the invention is applied to heat pump, can subtracts
The refrigerant charge of few whole heat pump, reduces cost, simplifies pipeline connection, more conducively heat pump system
The oil return of system.
As a kind of exemplary inner mounting structure of valve body 500, as shown in Fig. 9 to Figure 14, valve
Body 500 includes forming the valve seat 510 of inner flow passage and the first valve casing 511 on the valve seat 510
With the second valve casing 512, the first electromagnetism for driving the first valve element 503 is installed in first valve casing 511
Drive division 521, the second electromagnetic drive for driving the second valve element 504 is installed in second valve casing 512
Portion 522, the inner flow passage that the first valve element 503 is extended in valve seat 510 from the first valve casing 511, second
The inner flow passage that valve element 504 is extended in valve seat 510 from the second valve casing 512.
Wherein, by the first electromagnetic drive part 521, e.g., magnet coil, power on/off control energy
Enough positions for easily controlling the first valve element 503, and then control import 501 directly to be connected with outlet 502
Or disconnect connection；By to the second electromagnetic drive part 522, e.g., magnet coil, power on/off control
The position of the second valve element 504 can easily be controlled, so as to control import 501 and outlet 502 whether with
Restriction 505 connects.In other words, shared import 501 and outlet 502 have been installed in parallel in valve body 500
Electric expansion valve and magnetic valve, it is thus possible to realize expansion switch valve break-make and/or throttling automation
Control, and simplify pipeline trend.
To make full use of the locus of all directions of expansion switch valve, avoid expanding switch valve and difference
Pipeline connection produces interference, and valve seat 510 is formed as polyhedral structure, the first valve casing 511, the second valve casing
512nd, import 501 and outlet 502 are separately positioned on the different surfaces of the polyhedral structure, wherein,
The installation direction of first valve casing 511 and the second valve casing 512 is mutually perpendicular to, import 501 and outlet 502
Opening direction is mutually perpendicular to.So, import, export pipeline can be connected to the difference of polyhedral structure
On surface, it can avoid that pipeline arrangement is in disorder, the problem of tangling.
As a kind of typical internal structure of expansion switch valve, as shown in Fig. 9 to Figure 12, inside stream
Road includes first flow 506 and the second flow channel 507 connected respectively with import 501, first flow 506
On formed formed with the first valve port 516 coordinated with the first valve element 503, restriction 505 in second flow channel
On 507 be formed as with the second valve element 504 coordinate the second valve port 517, first flow 506 and second
Runner 507 is intersected in the downstream of the second valve port 517 and connected with outlet 502.
That is, closing or the opening to the first valve port 516 are realized by converting the position of the first valve element 503,
And then blocking or turning on for the first flow 506 of connection import 501 and outlet 502 is controlled, so as to
Realize the connection of above-described magnetic valve or disconnect the function of connection.Similarly, by converting the second valve
Blocking or turning on to the second valve port 517 is realized in the position of core 504, so as to realize electronic expansion
The throttling function of valve.
First flow 506 and second flow channel 507 can be respectively communicated with import with any appropriate arrangement
501 and outlet 502, for reduce valve body 500 overall space-consuming, as shown in figure 13, second flow channel
507 open up in the same direction with outlet 502, and first flow 506 is formed as orthogonal with second flow channel 507
First through hole 526, import 501 by the second through hole 527 for being opened in the side wall of second flow channel 507 with
Second flow channel 507 is connected, and the through hole 527 of first through hole 526 and second is respectively communicated with import 501.Its
In, first through hole 526 can be set or be arranged in parallel in spatial vertical with the second through hole 527, this hair
It is bright that this is not restricted, belong among protection scope of the present invention.
For the further overall space-consuming for simplifying valve body 500, as shown in Figure 16 to Figure 19, import 501
It is opened in mutual vertically on valve body 500 with outlet 502.So, as shown in Figure 16 to Figure 18, enter
The axis of mouth 501, the axis (i.e. the axis of second flow channel 507) for exporting 502, and first flow 506
Axis it is vertically arranged two-by-two in space, so as to prevent the shifting of the first valve element 503 and the second valve element 504
Movable property life interference, and can maximumlly utilize the inner space of valve body 500.
As shown in Figure 12 and Figure 13, for ease of realizing the closing of the first valve port 516 and opening, the first valve
Core 503 is along moving direction with the coaxial laying of the first valve port 516 selectively to block or depart from the first valve port
516。
For ease of realizing the closing of the second valve port 517 and opening, the second valve element 504 is along moving direction and
Two valve ports 517 are coaxially laid selectively to block or depart from the second valve port 517.
Wherein, as shown in figure 15, first flow 506 is blocked for the first valve element 503 of guarantee reliable
Property, the first valve element 503 can include the first valve rod 513 and be connected to the of the end of the first valve rod 513
One plug 523, first plug 523 are used to be sealed against on the end face of the first valve port 516 to block
First flow 506.
The aperture size of the restriction 505 of switch valve is expanded for ease of regulation, as shown in Figure 12 and Figure 13,
Second valve element 504 includes the second valve rod 514, and the end of second valve rod 514 is formed as taper header structure,
Second valve port 517 is formed as the taper pore structure being engaged with the taper header structure.
Wherein, the aperture of restriction 505 for expanding switch valve can moving up and down by the second valve element 504
To adjust, and moving up and down for the second valve element 504 can be adjusted by the second electromagnetic drive part 522.
If the aperture for expanding the restriction 505 of switch valve is zero, as shown in figure 12, the second valve element 504 is in
Extreme lower position, the second valve element 504 block the second valve port 517, refrigerant completely can not by restriction 505,
That is the second valve port 517；If expansion switch valve restriction 505 has aperture, as shown in figure 13, the second valve
There is space between the taper header structure and restriction 505 of the end of core 504, flowed again after refrigerant throttling
To outlet 502.If desired, can be by controlling the second electromagnetism during the throttle opening of increase expansion switch valve
Drive division 522 so that the second valve element 504 moves up, to cause conical head structure away from restriction 505,
So as to realize that the change of the aperture of restriction 505 is big；On the contrary, when the restriction 505 for needing reduction expansion switch valve
Aperture when, can drive under the phase of the second valve element 504 mobile.
In use, when only needing to use the magnetic valve function of expansion switch valve, such as Figure 12, Tu15He
Shown in Figure 18, the first valve element 503 departs from the first valve port 516, and the first valve port 516 is in open mode,
Second valve element 504 is in extreme lower position, and the second valve element 504 blocks throttle orifice 505, from import 501
The first valve port can not can only be passed sequentially through by throttle orifice 505 completely by flowing into the refrigerant of inner flow passage
516th, first through hole 526 is flowed into outlet 502.When magnetic valve powers off, the first valve element 503 is to the left
Mobile, the first plug 523 and the first valve port 516 separate, and refrigerant can lead to from first through hole 526
Cross；Work as solenoid valves, the first valve element 503 moves right, the first plug 523 and the first valve port 516
Fitting, refrigerant can not pass through from first through hole 526.
It should be noted that the dotted line with the arrow in Figure 12 and Figure 18 represents refrigerant using electromagnetism
Flow route and trend during valve function.
When only needing to use the electric expansion valve function of expansion switch valve, as shown in Figure 13 and Figure 19,
Second valve port 517, i.e. restriction 505 are in open mode, and the first valve element 503 blocks the first valve port 516,
The refrigerant of inner flow passage is flowed into from import 501 can only be passed sequentially through by first through hole 526
Second through hole 527, restriction 505 are flowed into outlet 502, and can move up and down the second valve element
504 adjust the size of the aperture of restriction 505.
It should be noted that the dotted line with the arrow in Figure 13 and Figure 19 represents refrigerant using electronics
Flow route and trend during expansion valve function.
When needing simultaneously using the magnetic valve function and electric expansion valve function that expand switch valve, such as scheme
10th, shown in Figure 16 and Figure 17, wherein, dotted line with the arrow represents the glide path of refrigerant and walked
To the first valve element 503 departs from the first valve port 516, and the first valve port 516 is in open mode, restriction
505 are in open mode, and the refrigerant for flowing into inner flow passage can be respectively along first flow 506 and
Two runners 507 flow direction outlet 502, so as to have magnetic valve function and electric expansion valve function simultaneously.
It should be appreciated that one of which example of the above-mentioned embodiment as just expansion switch valve, and
And be not intended to limit the invention, other have the expansion of expansion valve function and switch valve function switch simultaneously
Valve is equally applicable to the present invention.
The present invention also provides a kind of electric automobile, including according to above-mentioned heat pump air conditioner system provided by the invention
System.Wherein, the electric automobile can include pure electric automobile, hybrid vehicle, fuel cell car.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, it is still, of the invention and unlimited
Detail in above-mentioned embodiment, can be to the present invention in the range of the technology design of the present invention
Technical scheme carry out a variety of simple variants, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned embodiment is special
Sign, in the case of reconcilable, can be combined by any suitable means.In order to avoid need not
The repetition wanted, the present invention no longer separately illustrate to various combinations of possible ways.
In addition, various embodiments of the present invention can be combined randomly, as long as its
Without prejudice to the thought of the present invention, it should equally be considered as content disclosed in this invention.
Claims (13)
1. a kind of heat pump type air conditioning system, it is characterised in that including compressor (604), indoor condenser
(601), indoor evaporator (602) and outdoor heat exchanger (605), compressor (604) go out
Mouth connects with the entrance of the indoor condenser (601), the outlet choosing of the indoor condenser (601)
Selecting property via first throttle branch road or the first through-flow branch road and the outdoor heat exchanger (605) entrance
Connection, the egress selection of the outdoor heat exchanger (605) via the second through-flow branch road and the pressure
The low-pressure admission mouth (604a) of contracting machine (604) connects or via the second throttling branch road and the indoor steaming
Send out the entrance connection of device (602), outlet and the compressor (604) of the indoor evaporator (602)
Low-pressure admission mouth (604a) connection, the outlet of the indoor condenser (601) is also via selectivity
First increasing enthalpy branch road (621) of on or off connects with the entrance of the outdoor heat exchanger (605),
The outlet of the outdoor heat exchanger (605) is also via the second increasing enthalpy branch road (622) and the compressor (604)
In be pressed into gas port (604b) connection, the first increasing enthalpy branch road (621) and the second increasing enthalpy branch road (622)
Heat exchange is carried out by the first plate type heat exchanger (620), set on the second increasing enthalpy branch road (622)
There is the first expansion valve (623), the outlet of the outdoor heat exchanger (605) passes through first expansion valve
(623) connected with first plate type heat exchanger (620).
2. heat pump type air conditioning system according to claim 1, it is characterised in that first increasing enthalpy
First switch valve (624), the outlet warp of the indoor condenser (601) are provided with branch road (621)
Connected by the first switch valve (624) with first plate type heat exchanger (620).
3. heat pump type air conditioning system according to claim 1, it is characterised in that described first is through-flow
Second switch valve (608) is provided with branch road, the second expansion valve is provided with the first throttle branch road
(607)。
4. heat pump type air conditioning system according to claim 1, it is characterised in that the system is also wrapped
Include expansion switch valve (603), the entrance of the expansion switch valve (603) and the indoor condenser (601)
Outlet, the outlet of the expansion switch valve (603) and the entrance of the outdoor heat exchanger (605)
Connection, the first throttle branch road for it is described expansion switch valve (603) throttling runner, described first
Through-flow branch road is the through-flow runner for expanding switch valve (603).
5. heat pump type air conditioning system according to claim 1, it is characterised in that described second is through-flow
The 3rd switch valve (610) is provided with branch road, the 3rd expansion valve is provided with the second throttling branch road
(609)。
6. heat pump type air conditioning system according to claim 1, it is characterised in that the indoor evaporation
The outlet of device (602) is via check valve (625) and the low-pressure admission mouth (604a) of the compressor (604)
Connection.
7. heat pump type air conditioning system according to claim 1, it is characterised in that the heat pump air conditioner
System is applied to electric automobile, and the second plate type heat exchanger (612) is additionally provided with the second through-flow branch road,
Second plate type heat exchanger (612) while it is arranged in the electromotor cooling system of the electric automobile.
8. heat pump type air conditioning system according to claim 7, it is characterised in that described second is through-flow
The 3rd switch valve (610) is provided with branch road, the refrigerant of second plate type heat exchanger (612) enters
The outlet of mouth and the outdoor heat exchanger (605), the system of second plate type heat exchanger (612)
Cryogen outlet connects with the entrance of the 3rd switch valve (610).
9. heat pump type air conditioning system according to claim 7, it is characterised in that the motor cooling
System includes connecting to form the motor in loop, motor radiating with second plate type heat exchanger (612)
Device (613) and water pump (614).
10. heat pump type air conditioning system according to claim 1, it is characterised in that the system is also wrapped
Include gas-liquid separator (611), outlet and the gas-liquid separator (611) of the indoor evaporator (602)
Entrance connection, the outlet of the outdoor heat exchanger (605) via the described second through-flow branch road with it is described
The entrance connection of gas-liquid separator (611), outlet and the compression of the gas-liquid separator (611)
Low-pressure admission mouth (604a) connection of machine (604).
11. heat pump type air conditioning system according to claim 1, it is characterised in that the system is also wrapped
Ptc heater (619) is included, the ptc heater (619) flows through the indoor condenser for heating
(601) wind.
12. heat pump type air conditioning system according to claim 10, it is characterised in that the PTC adds
Hot device (619) is arranged on the windward side or leeward side of the indoor condenser (601).
13. a kind of electric automobile, it is characterised in that including according to any one in claim 1-12
Described heat pump type air conditioning system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610310423.2A CN107356023B (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
| PCT/CN2017/082948 WO2017193857A1 (en) | 2016-05-10 | 2017-05-03 | Heat pump air-conditioning system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610310423.2A CN107356023B (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN107356023A true CN107356023A (en) | 2017-11-17 |
| CN107356023B CN107356023B (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610310423.2A Active CN107356023B (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric automobile |
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| Country | Link |
|---|---|
| CN (1) | CN107356023B (en) |
| WO (1) | WO2017193857A1 (en) |
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| CN109677236A (en) * | 2018-12-26 | 2019-04-26 | 四川赛特制冷设备有限公司 | Air conditioning system for electric car |
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| CN104290561A (en) * | 2014-09-11 | 2015-01-21 | 中国科学院理化技术研究所 | Method for recycling exhaust air heat of electric automobile and heat pump air-conditioning system adopting same |
| KR20160048237A (en) * | 2014-10-23 | 2016-05-04 | 한온시스템 주식회사 | Heat pump system for vehicle |
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| CN108155439A (en) * | 2018-02-01 | 2018-06-12 | 湖南华强电气股份有限公司 | A kind of air-conditioning battery cooling list cooling system and control method |
| CN108155439B (en) * | 2018-02-01 | 2024-04-26 | 湖南华强电气股份有限公司 | Air conditioner battery cooling single cooling system and control method |
| CN109677236A (en) * | 2018-12-26 | 2019-04-26 | 四川赛特制冷设备有限公司 | Air conditioning system for electric car |
| CN109677236B (en) * | 2018-12-26 | 2021-10-15 | 四川赛特制冷设备有限公司 | Air conditioning system of electric vehicle |
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| WO2017193857A1 (en) | 2017-11-16 |
| CN107356023B (en) | 2019-12-10 |
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