CN107356021A - Heat pump type air conditioning system and electric automobile - Google Patents
Heat pump type air conditioning system and electric automobile Download PDFInfo
- Publication number
- CN107356021A CN107356021A CN201610308237.5A CN201610308237A CN107356021A CN 107356021 A CN107356021 A CN 107356021A CN 201610308237 A CN201610308237 A CN 201610308237A CN 107356021 A CN107356021 A CN 107356021A
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- Prior art keywords
- branch road
- valve
- outlet
- entrance
- heat exchanger
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
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, the outlet of compressor connects with the entrance of indoor condenser, connected via first throttle branch road or the first through-flow branch road with the entrance of outdoor heat exchanger the egress selection of indoor condenser, connect with the entrance of compressor via the second through-flow branch road the egress selection of outdoor heat exchanger or connected via the second throttling branch road with the entrance of indoor evaporator, the outlet of indoor evaporator connects with the entrance of compressor, the outlet of indoor condenser connects via the 3rd throttling branch road of selective on or off with the entrance of compressor, the outlet of outdoor heat exchanger connects via the 4th throttling branch road of selective on or off with the entrance of compressor.Heating efficiency is improved thus, it is possible to reach, meets that defrosting requires.
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. CN105128622A application for a patent for invention discloses a kind of electric automobile heat-pump
Adjusting system.Car opens time of outer circulation and few under currently the majority urban traffic situation, opens outer follows
The ratio that load caused by ring accounts for vehicle is also little, and main thermic load still passes through glass for automobile
Glass conducts heat and personnel, so reaching raising comfortableness effect from precooling or preheating is carried out to fresh air merely
And unobvious, and in worst hot case (environment temperature close to 50 DEG C or more than), worst cold case (ring
Border temperature is less than -10 DEG C) using precooling or preheating even more an utterly inadequate amount is carried out to fresh air, in severe ring
Refrigeration, heating effect are all difficult the effect having had in border.
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
Refrigeration, the bad problem of heating effect in adverse circumstances.
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 entrance of the compressor or via the second throttling branch road
Connected with the entrance of the indoor evaporator, the outlet of the indoor evaporator and the entrance of the compressor
Connection, the outlet of the indoor condenser is also via the 3rd throttling branch road of selective on or off and institute
The entrance connection of compressor is stated, the outlet of the outdoor heat exchanger is also via the of selective on or off
Four throttling branch roads connect with the entrance of the compressor.
Alternatively, first switch valve and first throttle element are in series with the 3rd throttling branch road, it is described
Second switch valve and the second restricting element are in series with 4th throttling branch road.
Alternatively, the first throttle element is capillary or expansion valve, and second restricting element is hair
Tubule or expansion valve.
Alternatively, the 3rd switch valve is provided with the described first through-flow branch road, on the first throttle branch road
It is provided with the first 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 4th switch valve is provided with the described second through-flow branch road, described second throttles on branch road
It is provided with the second expansion valve.
Alternatively, the outlet of the indoor evaporator connects via check valve with the entrance of the compressor.
Alternatively, the heat pump type air conditioning system is applied to electric automobile, is also set on the second through-flow branch road
Plate type heat exchanger is equipped with, the plate type heat exchanger is arranged on the electromotor cooling system of the electric automobile simultaneously
In.
Alternatively, the 4th switch valve, the system of the plate type heat exchanger are provided with the described second through-flow branch road
The outlet of cryogen entrance and the outdoor heat exchanger, the refrigerant outlet of the plate type heat exchanger and institute
State the entrance connection of the 4th switch valve.
Alternatively, the electromotor cooling system includes connecting with the plate type heat exchanger to form the electricity in loop
Mechanical, electrical machine 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 connects with the entrance of the compressor.
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 the first aspect of the present invention carry
The heat pump type air conditioning system supplied.
Electric automobile heat-pump air-conditioning system provided by the invention, do not changing the situation in refrigerant circulation direction
The lower control that the processes such as automotive air-conditioning system refrigeration and heating can be achieved.In addition, add in systems more
Bar throttling branch road causes system to have good refrigeration at high temperature, has good adopt at low temperature
Warm effect, while there is good defrosting effect.During outdoor heat exchanger defrosting, remain to meet car
Interior heating demand.Further, since the heat pump type air conditioning system of the present invention is only with an outdoor heat exchanger, because
This can reduce the windage of front-end module, solve the pure electric vehicle of no engine exhaust heat circulatory system
Or hybrid electric vehicle using electric-only mode automobile heat pump air-conditioning system heating efficiency it is low, can not meet to remove
The problems such as white demisting laws and regulations requirement, complicated installation, reaching reduces energy consumption, simplied system structure, convenient pipe
The effect of road arrangement.Heat pump type air conditioning system provided by the invention has the characteristics of simple in construction, therefore is easy to
Batch production.
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 a are the structural representations according to the heat pump type air conditioning system of another embodiment of the invention；
Fig. 4 b are the structural representations 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, air door mechanism can be used
In the air channel for leading to indoor evaporator 602 and indoor condenser 601.In addition, also include in system
Compressor 604 and outdoor heat exchanger 605.Wherein, HVAC assemblies 600 can include indoor condenser
601 and indoor evaporator 602.As shown in figure 1, the outlet of compressor 604 and indoor condenser 601
Entrance connection, the egress selection of indoor condenser 601 it is through-flow via first throttle branch road or first
Branch road connects with the entrance of outdoor heat exchanger 605, the egress selection of outdoor heat exchanger 605 via
Two throttling branch roads connect with the entrance of indoor evaporator 602 or via the second through-flow branch road and compressor 604
Entrance connection, the outlet of indoor evaporator 602 connects with the entrance of compressor 604.Indoor condenser
601 outlet also connects via the entrance of the 3rd throttling branch road and compressor 604 of selective on or off
Logical, the 3rd throttling branch road is used to turn in low temperature heating, automobile is had good adopt at low temperature
Warm effect；Outdoor heat exchanger 605 outlet also via selective on or off the 4th throttling branch road with
The entrance connection of the compressor 604, the 4th throttling branch road are used to turn in high-temperature refrigeration, make vapour
Car has good refrigeration at high temperature.
Specifically, as shown in figure 1, first switch valve 620 and the can be in series with the 3rd throttling branch road
One restricting element 621, preferably, first switch valve 620 is arranged on the upper of first throttle element 621
Trip, so that system quick response；Second switch valve 622 and second can be in series with 4th throttling branch road
Restricting element 623, preferably, second switch valve 622 is arranged on the upstream of the second restricting element 623,
So that system quick response.Wherein, first switch valve 620 and second switch valve 622 are used to control accordingly
The on or off of branch road, the restricting element 623 of first throttle element 621 and second are used to control corresponding branch
The throttling function on road.
Further, first throttle element 621 can be capillary or expansion valve, the second restricting element 623
Can be capillary or expansion valve, here to the shape of the restricting element 623 of first throttle element 621 and second
Formula is not specifically limited, as long as throttling action can be played, that is, plays cooling and/or antihypertensive effect.
For example, in fig.4, the restricting element 623 of first throttle element 621 and second can be respectively to expand
Valve, in fig. 4b, the restricting element 623 of first throttle element 621 and second can be respectively capillary.
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, the heat pump type air conditioning system can include the 3rd switch valve 608 and the first expansion valve 607, wherein,
3rd switch valve 608 is arranged on the first through-flow branch road, and the first expansion valve 607 is arranged on first throttle branch
Lu Shang.Specifically, as shown in figure 1, the outlet of indoor condenser 601 via the 3rd switch valve 608 with
The entrance of outdoor heat exchanger 605 is connected to form the first through-flow branch road, the outlet warp of indoor condenser 601
Connected by the first expansion valve 607 with the entrance of outdoor heat exchanger 605 to form first throttle branch road.When being
When system is under refrigeration mode, the 3rd switch valve 608 is turned on, and the first expansion valve 607 is closed, indoor cold
The outlet of condenser 601 connects via the first through-flow branch road with the entrance of outdoor heat exchanger 605.At system
When under heating or heating mode, the first expansion valve 607 is turned on, and the 3rd switch valve 608 is closed, indoor
The outlet of condenser 601 connects via first throttle branch road with the entrance of outdoor heat exchanger 605.
Embodiment alternatively, as shown in Fig. 2 heat pump type air conditioning system can also include it is swollen
Swollen switch valve 603, the outlet of the entrance of the expansion switch valve 603 and indoor condenser 601 should
The outlet of expansion switch valve 603 connects with the entrance of outdoor heat exchanger 605, wherein, first throttle branch road
To expand the throttling runner of switch valve 603, the first through-flow branch road is the through-flow runner of expansion switch valve 603.
In the present invention, expansion switch valve is that have expansion valve function (also referred to as electric expansion valve simultaneously
Function) and switch valve function (also referred to as magnetic valve function) valve, it is switch that can be regarded as
Valve and expansion valve it is integrated.Through-flow runner and throttling runner are internally formed in expansion switch valve, when swollen
Swollen switch valve is as switch valve in use, its internal through-flow runner conducting, now forms through-flow branch road；
When expansion switch valve as expansion valve in use, its internal throttling runner conducting, now forms throttling branch
Road.
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. 2.
With the implementation of the first through-flow branch road and first throttle branch road in an above-mentioned embodiment
It is similar, as shown in figure 1, the 4th switch valve 610 is provided with the second through-flow branch road, the second throttling branch
The second expansion valve 609 is provided with road.Specifically, the outlet of outdoor heat exchanger 605 is via the 4th switch
Valve 610 is connected with the entrance of compressor 604 to form the second through-flow branch road, and outdoor heat exchanger 605 goes out
Mouth is connected to form the second throttling branch road via the second expansion valve 609 with the entrance of indoor evaporator 602.
When system is under refrigeration mode, the second expansion valve 609 is turned on, and the 4th switch valve 610 is closed, room
The outlet of external heat exchanger 605 connects via the second throttling branch road with the entrance of indoor evaporator 602.When being
When system is under heating or heating mode, the 4th switch valve 610 is turned on, and the second expansion valve 609 is closed,
The outlet of outdoor heat exchanger 605 connects via the second through-flow branch road with the entrance of compressor 604.
Fig. 3 shows the structural representation of the heat pump type air conditioning system according to another embodiment of the present invention.
As shown in figure 3, the heat pump type air conditioning system can also include gas-liquid separator 611, indoor evaporator 602
Outlet connected with the entrance of gas-liquid separator 611, the outlet of indoor condenser 601 is via the 3rd throttling
Branch road connects with the entrance of gas-liquid separator 611, and the outlet of outdoor heat exchanger 605 is logical via second respectively
Stream branch road and the 4th throttling branch road connect with the entrance of gas-liquid separator 611, and gas-liquid separator 611 goes out
Mouth connects with the entrance of compressor 604.So, refrigerant can first pass around gas-liquid separator 611 and enter
Row gas-liquid separation, the gas isolated are back in compressor 604 again, so as to prevent liquid refrigerant from entering
Enter to compressor 604 and damage compressor 604, so as to extend the service life of compressor 604,
And improve the efficiency of whole heat pump type air conditioning system.The outlet of indoor evaporator 602 by check valve 615 with
The entrance connection of gas-liquid separator 611.Here, it is to prevent in low temperature heating to set check valve 615
Refrigerant is back to indoor evaporator 602 under pattern and normal temperature heating pattern (described in detail below),
Influence 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, the arrow in wherein Fig. 3 to Fig. 6 be oriented to refrigerant
Flow direction.It should be appreciated that other embodiment (for example, embodiment shown in Fig. 1 to Fig. 2)
Under system circulation process and principle to Fig. 3 to Fig. 6 be 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,
4th switch valve 610 is closed, and the outlet of outdoor heat exchanger 605 is connected with the second expansion valve 609, and second is swollen
Swollen valve 609 plays throttling action as restricting element, and its outlet is low temperature and low pressure liquid.Second 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.Second 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
Gas of the outlet of indoor evaporator 602 for low-temp low-pressure is obtained, but due to the influence of hot environment, it is indoor
Evaporator outlet produces the gaseous refrigerant for overheating high temperature.At the same time, the 3rd throttling branch road cut-off,
4th throttling branch road conducting, the liquid for the medium temperature high pressure that outdoor heat exchanger 605 exports is by the second throttling member
The throttling action of part 623 becomes the gas-liquid binary states refrigerant of low-temp low-pressure, the gas-liquid binary states refrigerant with it is upper
The overheat stated high temperature gaseous refrigerant interflow carry out heat exchange, so as to reduce in high temperature environments
The suction temperature of compressor 604, delivery temperature and power consumption.The outlet of indoor evaporator 602 and check valve 615
Entrance be connected, the outlet of check valve 615 is connected with the entrance of 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 the flow direction of the apoplexy of HVAC assemblies 600 flows only through indoor evaporator 602,
Indoor 601 calm process of condenser, only flows through as refrigerant flow path.
Pattern two：Normal temperature refrigeration mode.System in this mode when, whole system formed one often
Warm cooling cycle system.As shown in figures 4 a and 4b, in this mode, whole system is similar to high temperature
System under refrigeration mode, difference are, in this mode, the 3rd throttling branch road and the 4th throttling branch road
It is cut-off state.Because at normal temperatures, the outlet of indoor evaporator 602 can be low-temp low-pressure
Gas, the gaseous refrigerant for overheating high temperature will not be produced, without the throttling of the 4th throttling branch road
Effect, can so reduce unnecessary energy waste, and can improve the operating efficiency of system.
Pattern three：Low temperature heating pattern.System in this mode when, whole system formed one it is low
Warm heating circulation system.As shown in figure 5, first, compressor 604 discharges HTHP through overcompression
Gas, it is connected with indoor condenser 601, now, indoor condenser 601 has wind process, HTHP
Gas condensed indoors in condenser 601 so that the outlet of indoor condenser 601 is medium temperature high pressure
Liquid.The indoor outlet of condenser 601 is connected with expansion switch valve 603, now expands switch valve 603
Play expansion valve, throttling action is played as restricting element, it exports the liquid for low-temp low-pressure.
Wherein, the aperture for expanding switch valve 603 can give certain aperture according to the actual requirements, and this aperture can
With the temperature acquisition data of the pressure-temperature sensor according to the exit for being arranged on compressor 604 (i.e.
Compressor exhaust temperature) number adjust.Expand the outlet of switch valve 603 and outdoor heat exchanger 605
Entrance is connected, and outdoor heat exchanger 605 absorbs the heat of outdoor air, and the outlet of outdoor heat exchanger 605 is low
The gas of warm low pressure.Now, the 4th switch valve 610 is opened, and the second expansion valve 609 is closed, refrigerant
Flowed directly into without indoor evaporator 602 in gas-liquid separator 611.But due to the shadow of low temperature environment
Ring, flow through the 4th switch valve 610 for the gaseous refrigerant of low temperature was subcooled.At the same time, Section four
Flow branch road cut-off, the 3rd throttling branch road conducting, the liquid of the medium temperature high pressure of the outlet of indoor condenser 601
Become the gas-liquid binary states refrigerant of medium temperature low pressure, the gas-liquid by the throttling action of first throttle element 621
Binary states refrigerant and above-mentioned supercooling the gaseous refrigerant interflow of low temperature carry out heat exchange, so as to
The inspiratory capacity, suction temperature, delivery temperature that compressor 604 is improved under low temperature environment are indoor cold so as to increase
The heat exchange amount of condenser 601, heating comfortableness, system energy efficiency and compressor efficiency can be improved.Behind interflow,
The liquid not being evaporated is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure returns to compressor
In 604, a circulation is consequently formed.
Pattern four：Normal temperature heating pattern.System in this mode when, whole system formed one often
Warm heating circulation system.As shown in fig. 6, in this mode, whole system is similar to low temperature heating pattern
Under system, difference is, in this mode, the 3rd throttling branch road and the 4th throttling branch road are cut-off
State.Because at normal temperatures, it is too low that cold-producing medium stream will not produce supercooling after the 4th switch valve 610
The gaseous refrigerant of temperature, without the throttling action of the 3rd throttling branch road, can so reduce need not
The energy waste wanted, and the operating efficiency of system can be improved.
Pattern five：Outdoor heat exchanger defrosting mode.As shown in figures 4 a and 4b, first, compressor 604
Gas through overcompression discharge HTHP, is connected with indoor condenser 601.Now, indoor condenser
601 are only flowed through as runner, and indoor condenser 601 is exported still as the gas of HTHP.Indoor condensation
Device 601 exports to be connected with expansion switch valve 603, now expands switch valve 603 and plays switch valve action, only
Flowed through as runner, now expand switch valve 603 and export still as the gas of HTHP.Expand switch valve
603 outlets are connected with outdoor heat exchanger 605, and outdoor heat exchanger 605 exchanges heat with outdoor air, heat
It is dispersed into air, the outlet of outdoor heat exchanger 605 is the liquid of medium temperature high pressure.Now, the 4th switch valve
610 are closed, and the second expansion valve 609 is opened, and the second expansion valve 609 plays throttling as restricting element and made
With its outlet is low temperature and low pressure liquid.The aperture of second expansion valve 609 can give one according to the actual requirements
Fixed aperture, this aperture can be according to installed in the outlets of indoor evaporator 602 and gas-liquid separator 611
Entrance between pressure-temperature sensor pressure and temperature gathered data calculate evaporator outlet refrigeration
The agent degree of superheat is adjusted.The outlet of second expansion valve 609 is connected with indoor evaporator 602, indoor evaporator
602 outlets are the gas of low-temp low-pressure.Indoor evaporator 602 is connected with gas-liquid separator 611, not
The liquid being evaporated is separated by gas-liquid separator 611, and the gas of last low-temp low-pressure returns to compressor
In 604, a circulation is consequently formed, now HVAC assemblies can not blow in.
In summary, heat pump type air conditioning system provided by the invention, the feelings in refrigerant circulation direction are not being changed
The control of the processes such as automotive air-conditioning system refrigeration and heating can be achieved under condition.In addition, add in systems
A plurality of throttling branch road causes system to have good refrigeration at high temperature, has at low temperature well
Heating effect, while there is good defrosting effect.Further, since the heat pump type air conditioning system of the present invention is only
Using an outdoor heat exchanger, therefore the windage of front-end module can be reduced, solve no engine
The pure electric vehicle or hybrid electric vehicle of waste heat circulation system use the automobile heat pump air conditioner system of electric-only mode
System heating efficiency is low, can not meet defrosting-defogging laws and regulations requirement, installs the problems such as complicated, reaches reduction energy
Consumption, simplied system structure, the effect for facilitating pipeline to arrange.Heat pump type air conditioning system provided by the invention has
The characteristics of simple in construction, therefore be easy to produce in batches.
Under low temperature heating pattern and normal temperature heating pattern, in order to improve heating ability, it is preferable that
As shown in fig. 7, plate type heat exchanger 612, the plate type heat exchanger are provided with whole heat pump type air conditioning system
612 are also disposed in the electromotor cooling system of electric automobile simultaneously.So, motor can be utilized to cool down
The waste heat of system gives air-conditioning system refrigerant heat, so as to improve the suction temperature of compressor 604 and suction
Tolerance.Plate type heat exchanger 612 can arbitrarily be arranged on the upstream or downstream of the 4th switch valve 610.Scheming
In embodiment shown in 7, plate type heat exchanger 612 is arranged on the upstream of the 4th switch valve 610, i.e.
The refrigerant inlet 612a of plate type heat exchanger 612 and the outlet of outdoor heat exchanger 605, it is board-like to change
The refrigerant outlet 612b of hot device 612 connects with the entrance of the 4th switch valve 610.Implement in another kind
(not shown) in mode, plate type heat exchanger 612 are arranged on the downstream of the 4th switch valve 610, i.e. plate
The refrigerant inlet 612a of formula heat exchanger 612 and the outlet of the 4th switch valve 610, plate-type heat-exchange
The refrigerant outlet 612b of device 612 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 4th 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 described above, in the present invention, expansion switch valve is that have expansion valve function and switch valve work(simultaneously
Can valve, it is the integrated of switch valve and expansion valve that can be regarded as.It will be provided below a kind of swollen
The example embodiment of swollen switch 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 12, 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 (14)
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 entrance connection of contracting machine (604) or entering via the second throttling branch road and the indoor evaporator (602)
Mouth connection, the outlet of the indoor evaporator (602) connect with the entrance of the compressor (604),
The indoor condenser (601) outlet also via selective on or off the 3rd throttling branch road with
The entrance connection of the compressor (604), the outlet of the outdoor heat exchanger (605) is also via selection
Property on or off the 4th throttling branch road connected with the entrance of the compressor (604).
2. heat pump type air conditioning system according to claim 1, it is characterised in that the 3rd throttling
First switch valve (620) and first throttle element (621), the 4th throttling branch are in series with branch road
Second switch valve (622) and the second restricting element (623) are in series with road.
3. heat pump type air conditioning system according to claim 2, it is characterised in that the first throttle
Element (621) is capillary or expansion valve, and second restricting element (623) is capillary or expansion
Valve.
4. heat pump type air conditioning system according to claim 1, it is characterised in that described first is through-flow
The 3rd switch valve (608) is provided with branch road, the first expansion valve is provided with the first throttle branch road
(607)。
5. 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).
6. heat pump type air conditioning system according to claim 1, it is characterised in that described second is through-flow
The 4th switch valve (610) is provided with branch road, the second expansion valve is provided with the second throttling branch road
(609)。
7. heat pump type air conditioning system according to claim 1, it is characterised in that the indoor evaporation
The outlet of device (602) connects via check valve (615) with the entrance of the compressor (604).
8. 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 plate type heat exchanger (612) is additionally provided with the second through-flow branch road, should
Plate type heat exchanger (612) while it is arranged in the electromotor cooling system of the electric automobile.
9. heat pump type air conditioning system according to claim 8, it is characterised in that described second is through-flow
Be provided with the 4th switch valve (610) on branch road, the refrigerant inlet of the plate type heat exchanger (612) with
The outlet of the outdoor heat exchanger (605), the refrigerant outlet of the plate type heat exchanger (612)
Connected with the entrance of the 4th switch valve (610).
10. heat pump type air conditioning system according to claim 8, it is characterised in that the motor cooling
System includes connecting with the plate type heat exchanger (612) to form the motor in loop, motor radiator (613)
With water pump (614).
11. 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 indoor condenser (601) via the described 3rd throttling branch road with it is described
The entrance connection of gas-liquid separator (611), the outlet of the outdoor heat exchanger (605) is respectively via institute
State the second through-flow branch road and the 4th throttling branch road connect with the entrance of the gas-liquid separator (611),
The outlet of the gas-liquid separator (611) connects with the entrance of the compressor (604).
12. 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.
13. heat pump type air conditioning system according to claim 12, 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).
14. a kind of electric automobile, it is characterised in that including according to any one in claim 1-13
Described heat pump type air conditioning system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308237.5A CN107356021B (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric car |
| PCT/CN2017/082950 WO2017193859A1 (en) | 2016-05-10 | 2017-05-03 | Heat pump air conditioning system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308237.5A CN107356021B (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107356021A true CN107356021A (en) | 2017-11-17 |
| CN107356021B CN107356021B (en) | 2019-11-22 |
Family
ID=60266204
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610308237.5A Active CN107356021B (en) | 2016-05-10 | 2016-05-10 | Heat pump air conditioning system and electric car |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107356021B (en) |
| WO (1) | WO2017193859A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109455058A (en) * | 2018-11-09 | 2019-03-12 | 安徽江淮汽车集团股份有限公司 | A kind of economic type electric automotive air-conditioning system and control method |
| CN111156653A (en) * | 2019-12-16 | 2020-05-15 | 珠海格力电器股份有限公司 | Fault detection method for hot defrosting electromagnetic bypass valve, storage medium and air conditioner |
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| CN109373636B (en) * | 2018-11-09 | 2023-07-04 | 珠海格力电器股份有限公司 | System and method for preventing liquid impact |
| CN111336711A (en) * | 2020-03-09 | 2020-06-26 | 珠海格力电器股份有限公司 | Heat pump system and corresponding defrosting control method thereof |
| CN111336712A (en) * | 2020-03-09 | 2020-06-26 | 珠海格力电器股份有限公司 | Heat pump system and corresponding defrosting control method thereof |
| CN112428770B (en) * | 2020-09-30 | 2024-07-12 | 三花控股集团有限公司 | Fluid control assembly and thermal management system |
| CN113490400A (en) * | 2021-08-23 | 2021-10-08 | 上海柯诺威新能源科技有限公司 | Cooling system |
| CN113710061A (en) * | 2021-08-23 | 2021-11-26 | 上海柯诺威新能源科技有限公司 | Cooling system |
| CN114001989B (en) * | 2021-10-22 | 2023-08-25 | 中汽研汽车检验中心（天津）有限公司 | Single vehicle air conditioner energy consumption prediction method and prediction device based on working condition recognition |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017193859A1 (en) | 2017-11-16 |
| CN107356021B (en) | 2019-11-22 |
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