CN106839495A - Cooling and warming binary cycle system, method and automotive air-conditioning system - Google Patents
Cooling and warming binary cycle system, method and automotive air-conditioning system Download PDFInfo
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- CN106839495A CN106839495A CN201611223722.9A CN201611223722A CN106839495A CN 106839495 A CN106839495 A CN 106839495A CN 201611223722 A CN201611223722 A CN 201611223722A CN 106839495 A CN106839495 A CN 106839495A
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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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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- 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
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0292—Control issues related to reversing valves
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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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of cooling and warming binary cycle system, including compressor, four-way reversing valve, condenser, first throttle device, gas-liquid separator, the first evaporator, second throttling device and the second evaporator, the condenser, first throttle device, gas-liquid separator, the first evaporator, second throttling device and the second evaporator are can reverse flow-through device.In cooling system, the first valve port for adjusting the four-way reversing valve is connected with the second valve port, and the 3rd valve port is connected with the 4th valve port, and controls the aperture of the first throttle device more than the aperture of the second throttling device；When system is heated, the first valve port for adjusting the four-way reversing valve is connected with the 4th valve port, and the second valve port is connected with the 3rd valve port, and controls the aperture of the second throttling device less than the aperture of the first throttle device.The invention also discloses the control method and automotive air-conditioning system of a kind of cooling and warming binary cycle system.
Description
Technical field
The present invention relates to Refrigeration ＆ Air-Conditioning technical field, more particularly to a kind of cooling and warming binary cycle system, method and vapour
Car air-conditioning system.
Background technology
In a limited areal space, often different crowds be to the demand of cold or heat it is different, such as
The heat or cold that young man needs are more, and children, women and old man are few to the demand of heat or cold.Therefore, often occur
In the smaller places such as room, an automotive interior, air-conditioning sets a target temperature, and a part of crowd always complains temperature
It is too high, it is indoor too hot, can another part people how cold always complain.Due to current heat pump type air conditioner only one of which
Indoor evaporator and a throttling arrangement, it is impossible to realize subregion refrigeration or heat, therefore above-mentioned pain spot cannot be solved the problems, such as.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of cooling and warming binary cycle system, method and automotive air-conditioning system, energy
Effectively solve the problems, such as that subregion refrigeration can not be realized present in prior art or heat.
To achieve the above object, the embodiment of the invention provides a kind of cooling and warming binary cycle system, it is characterised in that bag
Include compressor, four-way reversing valve, condenser, first throttle device, gas-liquid separator, the first evaporator, second throttling device with
And second evaporator, the first valve port of the outlet connection four-way reversing valve of the compressor, the of the four-way reversing valve
Two valve ports connect the import of the condenser, the import of the outlet connection first throttle device of the condenser, and described the
The import of the outlet connection gas-liquid separator of one throttling arrangement, the gas phase side outlet of the gas-liquid separator connects the pressure
Mouth is pressed into contracting machine, the liquid phase side outlet of the gas-liquid separator connects the import of first evaporator, and described first steams
The outlet of hair device connects the import of the second evaporator, the outlet connection institute of second evaporator by the second throttling device
The 4th valve port of four-way reversing valve is stated, the 3rd valve port of the four-way reversing valve connects the low pressure inlet of the compressor；
Wherein, the condenser, first throttle device, gas-liquid separator, the first evaporator, second throttling device and
Two evaporators are can reverse flow-through device；
In cooling system, the first valve port for adjusting the four-way reversing valve is connected with the second valve port, the 3rd valve port and the
Four valve ports are connected, and control the aperture of the first throttle device more than the aperture of the second throttling device；In system system
When hot, the first valve port for adjusting the four-way reversing valve is connected with the 4th valve port, and the second valve port is connected with the 3rd valve port, and control
Make the aperture of the aperture less than the first throttle device of the second throttling device.
Used as the improvement of such scheme, the first throttle device is electric expansion valve, capillary or capillary core apparatus.
Used as the improvement of such scheme, the second throttling device is electric expansion valve, capillary or capillary core apparatus.
Used as the improvement of such scheme, first evaporator and second evaporator can be respectively placed in temperature requirements not
In same subregion.
Embodiment of the present invention correspondence provides a kind of automotive air-conditioning system, and it uses cooling and warming Two-way Cycle as described above
System.
The embodiment of the present invention is also corresponded to and provides a kind of control method of cooling and warming binary cycle system, it is adaptable to which control is such as
Upper described cooling and warming binary cycle system, the control method includes step：
During refrigeration, the first valve port for adjusting the four-way reversing valve is connected with the second valve port, the 3rd valve port and the 4th valve port
Connection, and the aperture of the first throttle device is controlled more than the aperture of the second throttling device, so that the first evaporator
Cryogenic temperature less than the second evaporator cryogenic temperature；
When heating, the first valve port for adjusting the four-way reversing valve is connected with the 4th valve port, the second valve port and the 3rd valve port
Connection, and the aperture of the second throttling device is controlled less than the aperture of the first throttle device, so that described second
The temperature that heats of evaporator heats temperature higher than first evaporator.
Compared with prior art, a kind of cooling and warming binary cycle system, method and automobile are empty disclosed in the embodiment of the present invention
Adjusting system is adjusted by setting four-way reversing valve, two evaporators and multiple throttling arrangements according to cooling and warming different demands
The valve port circulating direction of four-way reversing valve, and difference can be made to two controls of throttling arrangement during cooling and warming
Evaporator obtain different cooling and warming temperature.When by the air conditioning for automobiles of the cooling and warming binary cycle system with the present embodiment
System is used on automobile, can be driven in major-minor and be obtained different cooling/heating temperature.Therefore, the embodiment of the present invention is effective
Solve the problems, such as that subregion refrigeration can not be realized present in prior art or heat, it is possible to achieve same system obtains two
Individual different refrigerating/heating temperature, temperature subregion becomes apparent from, and disclosure satisfy that to use the user with individual space different temperatures needs
Ask.
Brief description of the drawings
Fig. 1 is a kind of first structure schematic diagram of cooling and warming binary cycle system in the embodiment of the present invention.
Fig. 2 is a kind of second structural representation of cooling and warming binary cycle system in the embodiment of the present invention.
Fig. 3 is a kind of flow chart of cooling and warming Two-way Cycle method in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
It is a kind of structural representation of cooling and warming binary cycle system provided in an embodiment of the present invention referring to Fig. 1~2.Should
Cooling and warming binary cycle system includes compressor 101, four-way reversing valve 102, condenser 103, first throttle device 104, gas-liquid
Separator 105, the first evaporator 106, the evaporator 108 of second throttling device 107 and second.The outlet of the compressor 101
1a connects the first valve port A of the four-way reversing valve 102, and the second valve port B of the four-way reversing valve 102 connects the condenser
103 import 3a, the outlet 3b of the condenser 103 connect the import 4a of the first throttle device 104, the first throttle
The outlet 4b of device 104 connects the import 5a, the gas phase side outlet 5b of the gas-liquid separator 105 of the gas-liquid separator 105
Connect and be pressed into the compressor 101 a mouthful 1b, liquid phase side outlet 5c connections first evaporation of the gas-liquid separator 105
The import 6a of device 106, the outlet 6b of first evaporator 106 connect the import 7a of the second throttling device 107, and described the
The outlet 7b of two throttling arrangements 107 connects the import 8a of the second evaporator 108, the outlet 8b connections of second evaporator 108
4th valve port D of the four-way reversing valve 102, the 3rd valve port C of the four-way reversing valve connect the low pressure of the compressor 101
Import 1c.
Wherein, the condenser 103, first throttle device 104, gas-liquid separator 105, the first evaporator 106, second section
The stream evaporator 108 of device 107 and second is can reverse flow-through device.
Wherein, the first throttle device 104 is electric expansion valve, capillary or capillary core apparatus.Second throttling
Device 107 is electric expansion valve, capillary or capillary core apparatus.
In the present embodiment, in cooling system, the first valve port A and the second valve port B of the four-way reversing valve 102 are adjusted
Connection, the 3rd valve port C is connected with the 4th valve port D, and controls the aperture of the first throttle device 104 to be more than the second section
The aperture of device 107 is flowed, so that cryogenic temperature of the cryogenic temperature of the first evaporator 106 less than the second evaporator 108.It is being
During controlling heat, the first valve port A for adjusting the four-way reversing valve 102 is connected with the 4th valve port D, the second valve port B and the 3rd valve port C
Connection, and the aperture of the second throttling device 107 is controlled less than the aperture of the first throttle device 104, so that institute
The temperature that heats for stating the second evaporator 108 heats temperature higher than first evaporator 106.
Below, respectively to the cooling and warming binary cycle system of the embodiment of the present invention refrigeration and the course of work and original that heat
Reason is described in detail.
Fig. 1 shows a kind of refrigerative circle system of cooling and warming binary cycle system in the embodiment of the present invention：
Before refrigeration starts, the first valve port A for first adjusting the four-way reversing valve 102 is connected with the second valve port B, the 3rd valve
Mouth C is connected with the 4th valve port D, and controls the aperture of the first throttle device 104 more than the second throttling device 107
Aperture.After refrigeration starts, after the refrigerant gas of low-temp low-pressure compress through compressor 101, it is changed into the refrigerant gas of HTHP
Body, then by after four-way reversing valve 102, being entered by the first valve port A of four-way reversing valve 102 and from after the second valve port B outflows
Flow into condenser 103 to be exchanged heat with outdoor environment, be changed into the refrigerant liquid of cryogenic high pressure, by after first throttle device 104, becoming
It is the gas-liquid two-phase cold-producing medium mixture of medium temperature and medium pressure.Then, into gas-liquid separator 105, under gravity, gas-liquid two
Phase refrigerant is separated, and gas flows out and by being pressed into compressor 101 from the gas phase side outlet 5b of gas-liquid separator 105
Mouthful 1b is returned in compressor 101, by after the compression of compressor 101 carrying out the circulation of next round.And liquid phase refrigerant is from gas
The liquid phase side outlet 5c of liquid/gas separator 105 out after, first pass through the first evaporator 106 of HTHP, evaporation and heat-exchange produces system
Cold, then by after second throttling device 107, being changed into more low temperature refrigerant air-liquid mixture at low pressure, then steams by second
After hair device 108, evaporation endothermic, refrigerant temperature is raised, environment temperature reduction.By after the evaporation and heat-exchange of the second evaporator 108
Gas-liquid two-phase cold-producing medium is changed into the refrigerant gas of Room-temperature low-pressure, and first after through the 4th valve port D of four-way reversing valve 102 and the 3rd
Low pressure inlet 1c after valve port C by compressor 101 is returned in compressor 101, by after the compression of compressor 101 carrying out
The circulation of next round.
In the system process of refrigerastion, by adjusting the aperture of first throttle device 104 and second throttling device 107, can be with
Change the refrigerating capacity and cryogenic temperature of the first evaporator 106 and the second evaporator 108, in general, in certain scope, open
Degree is smaller, and cryogenic temperature is lower, and refrigerating capacity is also less, and aperture is bigger, and cryogenic temperature is about high, and refrigerating capacity is also more.In this implementation
In example, by controlling the aperture of the first throttle device 104 more than the aperture of the second throttling device 107, control first
The refrigerating capacity of evaporator 106 is more than the refrigerating capacity of the second evaporator 108, so that the cryogenic temperature of the first evaporator 106 is less than
The cryogenic temperature of the second evaporator 108.Therefore, by the He of the first evaporator 106 of the cooling and warming binary cycle system of the present embodiment
Second evaporator 108 is respectively placed in in the subregion of different temperatures demand in a space, disclosure satisfy that in different subregions
The user of different temperatures demand uses, and improves comfortableness.
In the present embodiment, the compressor 101 has two imports and one outlet, and one of import is low pressure inlet
1c, another import is pressed into a mouthful 1b in being, gas (liquid) cognition that low pressure inlet 1c enters is compressed completely by compressor 101, middle pressure
The gas that import 1b enters can compress since intermediate pressure, and the final pressure after both are compressed is the same, then from pressure
The outlet 1a discharges of contracting machine 101.
What Fig. 2 showed a kind of cooling and warming binary cycle system in the embodiment of the present invention heats cyclic process：
Before beginning is heated, the first valve port A for adjusting the four-way reversing valve 102 is connected with the 4th valve port D, the second valve port
B is connected with the 3rd valve port C, and controls aperture the opening less than the first throttle device 104 of the second throttling device 107
Degree.After heating beginning, after the refrigerant gas of low-temp low-pressure compress through compressor 101, it is changed into the refrigerant gas of HTHP
Flowed out by exporting 1a, enter through the first valve port A of four-way reversing valve 102 and first pass through the second evaporation from after the 4th valve port D outflows
Device 108 is exchanged heat with surrounding environment, and ambient temperature is raised, the refrigerant temperature reduction in evaporator, is changed into middle temperature high
The refrigerant liquid of pressure, by after second throttling device 107, being changed into the refrigerant mixture of medium temperature and medium pressure, then steams by first
Hair device 106 is exchanged heat with surrounding environment, is changed into the refrigerant air-liquid mixture of normal temperature；By the first evaporator 106 out
Refrigerant enters gas-liquid separator 105 by liquid phase side outlet 5c, and gas-liquid separator 105 separates gas-liquid two-phase cold-producing medium, in
Between the vapor phase refrigerant of pressure state flowed out by the gas phase side outlet 5b of gas-liquid separator 105, and by compressor 101
Mouthful 1b is pressed into return in compressor 101, by after the compression of compressor 101 carrying out the circulation of next round.And liquid phase refrigerant
Then it is changed into low-temp low-pressure gas-fluid two-phase mixture to continue through first throttle device 104 from import 5a outflows, then flows through room
The condenser 103 in outside, is changed into the vapor phase refrigerant of normal pressure, and first after through the second valve port B of four-way reversing valve 102 and the 3rd valve
Returned in compressor 101 by the low pressure inlet 1c of compressor 101 after mouthful C, by after the compression of compressor 101 carrying out down
The circulation of one wheel.
In the system heating operations, by the aperture by adjusting first throttle device 104 and second throttling device 107,
The heating capacity of the first evaporator 106 and the second evaporator 108 can be changed and temperature is heated.In general, in certain scope
Interior, aperture is smaller, heats that temperature is higher, and heating capacity is also more, and aperture is bigger, heats that temperature is about low, and heating capacity is also less.Due to
Second evaporator 108 is provided with second throttling device 107 below, and the aperture of second throttling device 107 is less than the first throttle
The aperture of device 104, therefore compared to the first evaporator 106, the second evaporator 108 can be obtained and higher heat temperature.
Therefore, first evaporator 106 and the second evaporator 108 of the cooling and warming binary cycle system of the present embodiment are distinguished
It is placed in in the subregion of different temperatures demand in a space, disclosure satisfy that the user of the different temperatures demand in different subregions
Use, improve comfortableness.
It can be seen that, a kind of cooling and warming binary cycle system disclosed in the embodiment of the present invention by set four-way reversing valve, two
Evaporator and multiple throttling arrangements, and the valve port circulating direction of four-way reversing valve is adjusted according to cooling and warming different demands, and
To two controls of throttling arrangement during cooling and warming, different evaporators can be made to obtain different cooling and warming temperature
Degree, the place for being particularly suitable for many temperature of a machine uses.
Another embodiment of the present invention discloses a kind of automotive air-conditioning system, and the automotive air-conditioning system uses and an institute is performed as described above
Disclosed cooling and warming binary cycle system.Because automotive air-conditioning system uses above-mentioned cooling and warming binary cycle system, temperature subregion
Become apparent from, it is possible to achieve major-minor drives different cooling and warming temperature, be adapted to more crowds in compartment, cold and hot effect is bright
Aobvious, air conditioning for automobiles efficiency is higher, and ability is more sufficient.
With reference to Fig. 3, the embodiment of the invention discloses a kind of control method of cooling and warming binary cycle system, it is adaptable to control
The cooling and warming binary cycle system described in example is performed as described above, the control method includes step：
When S101, refrigeration, the first valve port for adjusting the four-way reversing valve is connected with the second valve port, the 3rd valve port and the 4th
Valve port is connected, and controls the aperture of the first throttle device more than the aperture of the second throttling device, so that first steams
Send out the cryogenic temperature of the cryogenic temperature less than the second evaporator of device；
S102, when heating, the first valve port for adjusting the four-way reversing valve is connected with the 4th valve port, the second valve port and the 3rd
Valve port is connected, and controls the aperture of the second throttling device less than the aperture of the first throttle device, so that described
The temperature that heats of the second evaporator heats temperature higher than first evaporator.
It should be understood that the working process and principle of the control method of the cooling and warming binary cycle system of the present embodiment please join
The associated description of the cooling and warming binary cycle system of above-described embodiment is examined, be will not be repeated here.
In sum, a kind of cooling and warming binary cycle system, method and automotive air-conditioning system disclosed in the embodiment of the present invention
Changed by setting four-way reversing valve, two evaporators and multiple throttling arrangements, and four-way being adjusted according to cooling and warming different demands
To the valve port circulating direction of valve, and different evaporations can be made to two controls of throttling arrangement during cooling and warming
Device obtains different cooling and warming temperature.Make when by the automotive air-conditioning system of the cooling and warming binary cycle system with the present embodiment
Above automobile, can be driven in major-minor and obtain different cooling/heating temperature.Therefore, the embodiment of the present invention is efficiently solved
Subregion refrigeration or the problem for heating can not be realized present in prior art, it is possible to achieve same system obtains two differences
Refrigerating/heating temperature, temperature subregion becomes apparent from, and disclosure satisfy that to user's use demand of space different temperatures.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (6)
1. a kind of cooling and warming binary cycle system, it is characterised in that including compressor, four-way reversing valve, condenser, first throttle
Device, gas-liquid separator, the first evaporator, second throttling device and the second evaporator, the outlet connection institute of the compressor
The first valve port of four-way reversing valve is stated, the second valve port of the four-way reversing valve connects the import of the condenser, the condensation
The import of the outlet connection first throttle device of device, the outlet connection gas-liquid separator of the first throttle device
Import, the gas phase side outlet of the gas-liquid separator is pressed into mouth, the liquid phase of the gas-liquid separator in connecting the compressor
Side outlet connects the import of first evaporator, and the outlet of first evaporator is by second throttling device connection the
The import of two evaporators, the 4th valve port of the outlet connection four-way reversing valve of second evaporator, the four-way commutation
3rd valve port of valve connects the low pressure inlet of the compressor；
Wherein, the condenser, first throttle device, gas-liquid separator, the first evaporator, second throttling device and second are steamed
Hair device is can reverse flow-through device；
In cooling system, the first valve port for adjusting the four-way reversing valve is connected with the second valve port, the 3rd valve port and the 4th valve
Mouth connection, and the aperture of the first throttle device is controlled more than the aperture of the second throttling device；When system is heated,
The first valve port for adjusting the four-way reversing valve is connected with the 4th valve port, and the second valve port is connected with the 3rd valve port, and control institute
State the aperture of the aperture less than the first throttle device of second throttling device.
2. the cooling and warming binary cycle system according to claims 1, it is characterised in that the first throttle device is electricity
Sub- expansion valve, capillary or capillary core apparatus.
3. the cooling and warming binary cycle system according to claims 1, it is characterised in that the second throttling device is electricity
Sub- expansion valve, capillary or capillary core apparatus.
4. the cooling and warming binary cycle system according to claims 1, it is characterised in that first evaporator and described
Second evaporator can be respectively placed in the different subregion of temperature requirements.
5. a kind of automotive air-conditioning system, it is characterised in that is followed using the cooling and warming pair as described in any one of Claims 1 to 4
Loop systems.
6. a kind of control method of cooling and warming binary cycle system, it is adaptable to system of the control as described in any one of Claims 1 to 4
It is cold to heat binary cycle system, it is characterised in that the control method includes step：
During refrigeration, the first valve port for adjusting the four-way reversing valve is connected with the second valve port, and the 3rd valve port is connected with the 4th valve port,
And the aperture of the first throttle device is controlled more than the aperture of the second throttling device, so that the refrigeration of the first evaporator
Cryogenic temperature of the temperature less than the second evaporator；
When heating, the first valve port for adjusting the four-way reversing valve is connected with the 4th valve port, and the second valve port is connected with the 3rd valve port,
And the aperture of the second throttling device is controlled less than the aperture of the first throttle device, so that second evaporator
The temperature that heats heat temperature higher than first evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223722.9A CN106839495A (en) | 2016-12-27 | 2016-12-27 | Cooling and warming binary cycle system, method and automotive air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611223722.9A CN106839495A (en) | 2016-12-27 | 2016-12-27 | Cooling and warming binary cycle system, method and automotive air-conditioning system |
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| CN106839495A true CN106839495A (en) | 2017-06-13 |
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| JP3354244B2 (en) * | 1993-11-25 | 2002-12-09 | 三洋電機株式会社 | Refrigeration equipment |
| JP2007085730A (en) * | 2006-12-18 | 2007-04-05 | Mitsubishi Electric Corp | Air conditioner and method of operating air conditioner |
| CN101737992A (en) * | 2009-12-10 | 2010-06-16 | 广东美的电器股份有限公司 | Air source heat pump refrigerating and heating machine unit |
| CN201926220U (en) * | 2010-11-23 | 2011-08-10 | 广东同益电器有限公司 | Refrigeration and thermal insulation control system for dining car |
| CN105091395A (en) * | 2015-08-31 | 2015-11-25 | 广东美的制冷设备有限公司 | Cooling and heating type air-conditioner system and single-cooling type air-conditioner system |
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Application publication date: 20170613 |