CN110057144A - A kind of expansion valve component, bidirectional throttle system and air conditioner - Google Patents
A kind of expansion valve component, bidirectional throttle system and air conditioner Download PDFInfo
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- CN110057144A CN110057144A CN201910425907.5A CN201910425907A CN110057144A CN 110057144 A CN110057144 A CN 110057144A CN 201910425907 A CN201910425907 A CN 201910425907A CN 110057144 A CN110057144 A CN 110057144A
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- expansion valve
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- heat exchanger
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 71
- 238000005057 refrigeration Methods 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims description 54
- 238000001035 drying Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 abstract description 16
- 238000010792 warming Methods 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 description 31
- 238000004378 air conditioning Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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
- F25B41/31—Expansion 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
- 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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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention provides a kind of expansion valve component, bidirectional throttle system and air conditioners, the expansion valve component includes: concatenated first check valve, second one-way valve, heating expansion valve, the 4th check valve, third check valve and refrigeration expansion valve, heating expansion valve, refrigeration expansion valve independence type selecting, independent operating are realized by this programme, when required refrigerating capacity and larger heating capacity difference, more matched refrigeration expansion valve and heating expansion valve can be selected for refrigeration and heating operation mode, to realize more precisely adjusting for cooling and warming.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of expansion valve component, bidirectional throttle system and air-conditioning
Device.
Background technique
The common heat pump unit using expansion valve as throttle part, there is usually one expansion valves, but to meet simultaneously
The throttling demand of refrigeration mode and heating mode flow path；So when unit refrigerating capacity and heating capacity differ greatly, it is single to expand
Valve throttling will be unable to combine refrigeration and heating effect, lead to air-conditioning effect substantially discount.
Summary of the invention
In view of this, the present invention is directed to propose a kind of expansion valve component, to solve above-mentioned ask at least to a certain extent
At least one of topic aspect.
To solve the above problems, the present invention provides a kind of expansion valve component, the expansion valve component includes: concatenated first
Check valve, second one-way valve, heating expansion valve, the 4th check valve, third check valve and refrigeration expansion valve.
Optionally, the refrigeration expansion valve and the heating expansion valve are heating power expansion valve or electric expansion valve.
Flexible choice is carried out according to actual needs.
Compared with the existing technology, expansion valve component of the present invention has the advantage that
Expansion valve component of the present invention, by this programme realize heating expansion valve, refrigeration expansion valve independence type selecting, solely
Vertical operation can be more matched for refrigeration and heating operation mode selection when required refrigerating capacity and larger heating capacity difference
Refrigeration expansion valve and heating expansion valve, to realize more precisely adjusting for cooling and warming.
A kind of bidirectional throttle system further includes compressor, outdoor heat exchanger and interior including such as above-mentioned expansion valve component
Heat exchanger, by piping connection between each component, one end of the indoor heat exchanger is connected to the refrigeration expansion valve and described
On pipeline between third check valve, the other end of the indoor heat exchanger is connected with the compressor, the outdoor heat exchanger
One end be connected to it is described heating expansion valve and the 4th check valve between pipeline on, the other end of the outdoor heat exchanger
It is connected with the compressor.
It optionally, further include liquid storage device, one end of the liquid storage device is connected to third check valve and the 4th check valve
Between pipeline on, the other end of the liquid storage device is connected to the pipeline between first check valve and the second one-way valve
On.
Prevent compressor sucking liquid refrigerant from causing liquid hammer.
Optionally, the liquid storage device is connected on the pipeline between first check valve and the second one-way valve and also sets
It is equipped with device for drying and filtering.
Anti- locking system and expansion valve blocking, it is ensured that pipe-line system is unimpeded, improves the service life of system.
It optionally, further include four-way valve, the first interface of the four-way valve is connected with the indoor heat exchanger, the four-way
The second interface of valve is connected with the air inlet of the compressor, and the third interface of the four-way valve and the outdoor heat exchanger connect
It connects, the 4th interface of the four-way valve is connected with the gas outlet of the compressor.
By controlling the connection situation of four interfaces of four-way valve, and then under control system refrigeration mode and under heating mode
The different circulation route of refrigerant.
It optionally, further include gas-liquid separator, second interface and the institute of the four-way valve is arranged in the gas-liquid separator
It states on the pipeline of air inlet connection of compressor.
Gas-liquid separator can prevent the air inlet inspiration liquid refrigerants of compressor from generating liquid hazards compressor, further
Protect compressor.
Optionally, blower is provided on the outside of the indoor heat exchanger.
Blower around indoor heat exchanger cold air or hot-air blow to interior, carry out forced convertion, make Indoor Temperature
Degree is reduced or is increased, and achievees the purpose that quickly to adjust air themperature.
Optionally, the four-way valve is switched by deflecting, controls the system in a chiller mode or heating mode is run.
System changes refrigerant by four-way valve and mutually turns between refrigeration, heating in the flow direction in system pipeline to realize
It changes.
Optionally, when the system is run with the refrigeration mode, the 4th interface and described four of the four-way reversing valve
The second interface of the third orifice of logical reversal valve, the first interface of the four-way reversing valve and the four-way reversing valve connects
It is logical.
Realization system in cooling mode refrigerant route circulation.
Optionally, when the system is run with the heating mode, the first interface of the four-way reversing valve and described four
4th orifice of logical reversal valve, the third interface of the four-way reversing valve and the second interface of the four-way reversing valve connect
It is logical.
Realization system in a heating mode refrigerant route circulation.
Compared with the existing technology, bidirectional throttle system of the present invention has the advantage that
Bidirectional throttle system of the present invention, different with heating mode when freezing, system runs refrigerant circulation direction
Difference, individually for refrigeration expansion valve and heating expansion valve that refrigeration, heating matching are more suitable, to realize more accurate control
System.
A kind of air conditioner, including such as above-mentioned bidirectional throttle system.
Possessed advantage is identical compared with the existing technology with the bidirectional throttle system for the air conditioner, no longer superfluous herein
It states.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of expansion valve component of the present invention；
Fig. 2 is bidirectional throttle system structure diagram of the present invention；
Fig. 3 is the refrigerant circulation schematic diagram of bidirectional throttle system of the present invention in cooling mode；
Fig. 4 is the refrigerant circulation schematic diagram of bidirectional throttle system of the present invention in a heating mode.
Description of symbols:
1, the first check valve, 2, second one-way valve, 3, heating expansion valve, the 4, the 4th check valve, 5, third check valve, 6, system
Cold expansion valve, 7, compressor, 71, air inlet, 72, gas outlet, 8, outdoor heat exchanger, 9, indoor heat exchanger, 10, blower, 11, storage
Liquid device, 12, device for drying and filtering, 13, four-way valve, 131, first interface, 132, second interface, 133, third interface, the 134, the 4th
Interface, 14, gas-liquid separator.
Specific embodiment
It is a kind of energy-efficient air conditioning mode being heated in winter using heat pump type air conditioner with summer cooling, it is common at present
Heat pump type air conditioner is divided into air-cooling heat pump air conditioner and air conditioner according to the condenser type of cooling, wherein steady for cooling and warming operating condition
Fixed, the relatively small small-sized heat pump unit of changes in temperature ability substantially based on the air-cooled heat pump of capillary-compensated, and for refrigerating capacity,
The medium-and-large-sized unit that heating capacity differs greatly, substantially based on the water cooling heat pump unit of expansion valve throttling.
Whether expansion valve selection fluctuates big (fluctuate small negative according to 130% evaporator according to Load Evaporator under normal circumstances
Lotus configuration, fluctuation are configured according to 170% Load Evaporator greatly.) this also absolutely proves selection shadow of the fluctuation to expansion valve of load
Sound is very big, and when refrigerating capacity, heating capacity difference are larger, if having selected expansion valve by heating capacity, this expansion valve is made in operation
May be because when cold it is excessive will cause absorbing gas belt liquid, unit be easy liquid hammer；If having selected expansion valve according to refrigerating capacity, transporting
Suction superheat can may be caused big because of relatively too small again when row heating, the heat exchange area of evaporator cannot obtain effective benefit
With the compressor air suction degree of superheat causes to be vented certain raising etc. greatly.To sum up, when selecting expansion valve being gone according to refrigeration
Choosing goes to select also according to heating, and in need of consideration very fine, the expansion valve often selected combines heating and refrigeration effect,
It is very difficult in the case that refrigerating capacity heating capacity difference is very big.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
As shown in Figure 1, a kind of expansion valve component, the expansion valve component is by the first check valve 1, second one-way valve 2, heating
Expansion valve 3, the 4th check valve 4, third check valve 5 and refrigeration expansion valve 6 mutually head and the tail composition in sequential series.
When running in cooling mode, refrigerant flows through the 4th check valve 4, the first check valve 1 and refrigeration expansion valve 6, and
It is supplied to indoor heat exchanger 9, refrigerant is reversely ended by third check valve 5 and second one-way valve 2.It runs in a heating mode
When, refrigerant flows through third check valve 5, second one-way valve 2 and heating expansion valve 3, and is supplied to outdoor heat exchanger 8, refrigerant
By the 4th check valve 4 and the first reversely cut-off of check valve 1.The refrigeration expansion valve 6 and the heating expansion valve 3 are thermal expansion
Valve or electric expansion valve, composite structure are constant.
Electric expansion valve or heating power expansion valve are controlled according to suction superheat, are set in the air inlet pipe of compressor 7
There are intake air temperature sensor and pressure sensor, be respectively used to sensing intake air temperature and admission pressure, controller is according to sensing
Intake air temperature and admission pressure to calculate the practical degree of superheat, and be compared with the degree of superheat of setting, carry out PID arithmetic to adjust
The valve port opening of section and control electric expansion valve or heating power expansion valve, so that the air inlet degree of superheat be made to be controlled always in a certain range
Interior, for the air-conditioning system using dry evaporator, the degree of superheat range that generally sets is between 4~10 DEG C.Electronics is swollen
Swollen valve or heating power expansion valve are controlled using the air inlet degree of superheat, and adjustable range is wide, and precision is high, be applicable to constant volume and
The air-conditioning system of variable conpacitance compressor can realize normal heating operation in the case where minimum environment temperature is -30 DEG C of operating condition.
This programme realizes heating expansion valve, refrigeration expansion valve independence type selecting, independent operating by a kind of expansion valve component,
When required refrigerating capacity and larger heating capacity difference, more matched refrigerant-expansion can be selected for refrigeration and heating operation mode
Valve and heating expansion valve, to realize more precisely adjusting for cooling and warming.
As shown in Fig. 2, a kind of bidirectional throttle system, including such as above-mentioned expansion valve component, expansion valve component passes through threeway
Valve and the other component of bidirectional throttle system are attached.It further include compressor 7, outdoor heat exchanger 8 and indoor heat exchanger 9, respectively
By piping connection between component, liquid refrigerant recycles in pipeline.The outdoor heat exchanger 8 is in the bidirectional throttle system
It is used as evaporator when running in a heating mode, condenser, institute is used as when running under the bidirectional throttle cooling system mode
It states indoor heat exchanger 9 and is used as evaporator when the bidirectional throttle system is run in cooling mode, in the bidirectional throttle system
It is used as condenser when system is run in a heating mode.Indoor heat exchanger 9 and outdoor heat exchanger 8 can be heat-exchangers of the plate type, shell
Tubing heat exchanger or tube-in-tube heat exchanger.One end of the indoor heat exchanger 9 is connected to the refrigeration expansion valve 6 and described
On pipeline between third check valve 5, specifically, one end of the indoor heat exchanger 9 is connected to the refrigeration by T-type threeway
On pipeline between expansion valve 6 and the third check valve 5, the other end and the compressor 7 of the indoor heat exchanger 9 connect
It connects, one end of the outdoor heat exchanger 8 is connected on the pipeline between the heating expansion valve 3 and the 4th check valve 4, tool
Body, one end of the outdoor heat exchanger 8 by T-type threeway be connected to the heating expansion valve 3 and the 4th check valve 4 it
Between pipeline on, the other end and the compressor 7 of the outdoor heat exchanger 8 connect, by setting expansion valve component to reality
Existing system refrigerant under refrigeration mode or heating mode carries out circular flow respectively with different routes, so as to for system
Cold and heating operation mode selects more matched refrigeration expansion valve and heating expansion valve, to realize the more accurate of cooling and warming
It adjusts.
Further include liquid storage device 11, one end of the liquid storage device 11 be connected to third check valve 5 and the 4th check valve 4 it
Between pipeline on, specifically, one end of the liquid storage device 11 is connected to third check valve 5 and described 4th single by T-type threeway
To on the pipeline between valve 4, the other end of the liquid storage device 11 is connected to first check valve 1 and the second one-way valve 2
Between pipeline on, specifically, the other end of the liquid storage device 11 is connected to first check valve 1 and institute by T-type threeway
It states on the pipeline between second one-way valve 2, liquid storage device 11 being capable of storing refrigerant and to indoor heat exchanger or outdoor heat exchanger
Uninterrupted supply refrigerant, in air-conditioning system operating, not can guarantee refrigerant can all be completely vaporized；Namely from evaporator
The refrigerant that refrigerant out has liquid enters in liquid storage device, since the liquid refrigerant not vaporized is because itself compares gas
Weight, can directly put off liquid storage device cylinder bottom, the refrigerant of vaporization is then entered in compressor by the outlet of liquid storage device, to prevent pressure
Contracting machine sucking liquid refrigerant causes liquid hammer.In addition, in other embodiments, according to actual needs, the biggish sky of capacity
Adjusting system needs to be arranged liquid storage device, and air-conditioning system of the refrigerating capacity less than 30KW can be not provided with liquid storage device, be not provided with liquid storage device
The volume of the gas-liquid separator of air-conditioning system need to be designed to slightly larger.
The liquid storage device 11 is connected on the pipeline between first check valve 1 and the second one-way valve 2 and also sets up
Have a device for drying and filtering 12, device for drying and filtering 12 is used to collect the solid impurity in refrigeration system and refrigerant, anti-locking system and
Expansion valve blocking, it is ensured that pipe-line system is unimpeded, improves the service life of system.
It further include four-way valve 13, first interface 131 and the indoor heat exchanger 9 connection of the four-way valve 13, described four
The second interface 132 of port valve 13 and the air inlet 71 of the compressor 7 connect, the third interface 133 of the four-way valve 13 and institute
The connection of outdoor heat exchanger 8 is stated, the 4th interface 134 of the four-way valve 13 and the gas outlet 72 of the compressor 7 connect, and pass through control
The connection situation of 13 4 interfaces of four-way valve processed, so it is different with the refrigerant under heating mode under control system refrigeration mode
Circulation route.
It further include gas-liquid separator 14,132 He of second interface of the four-way valve 13 is arranged in the gas-liquid separator 14
On the pipeline that the air inlet 71 of the compressor 7 connects, gas-liquid separator 14 can prevent the air inlet inspiration liquid of compressor 7
Refrigerant generates liquid hazards compressor 7, further protects compressor 7.
The outside of the indoor heat exchanger 9 is provided with blower 10, blower 10 around indoor heat exchanger cold air or
Hot-air blows to interior, carries out forced convertion, and room temperature is made to reduce or increase, and reaches the mesh for quickly adjusting air themperature
's.
The four-way valve 13 is switched by deflecting, controls the system in a chiller mode or heating mode operation, system are logical
It crosses four-way valve and changes refrigerant and realize the mutual conversion between refrigeration, heating in the flow direction in system pipeline.
When the system is run with the refrigeration mode, the 4th interface 134 of the four-way reversing valve 13 and the four-way
The third interface 133 of reversal valve 13 is connected to, and the of the first interface 131 of the four-way reversing valve 13 and the four-way reversing valve 13
Two interfaces 132 connection, realize system in cooling mode refrigerant route circulation.
When the system is run with the heating mode, the first interface 131 and the four-way of the four-way reversing valve 13
4th interface 134 of reversal valve 11 is connected to, and the of the third interface 133 of the four-way reversing valve 13 and the four-way reversing valve 11
Two interfaces 132 connection, realize system in a heating mode refrigerant route circulation.
As shown in figure 4, refrigerant becomes high temperature and pressure under the action of compressor 7 when system is when heating mode is run
Gas flow through the 4th interface 134 of four-way valve 13 and first interface 131 enters the room heat exchanger 9, condensation heat release heating is indoor
Air itself is then cooled to the liquid of medium temperature high pressure, flows out indoor heat exchanger 9, while entering liquid storage by third check valve 5
Device 11, and then enter device for drying and filtering 12, and then heating expansion valve 3 is entered by second one-way valve 2, become the liquid of low-temp low-pressure
Body enters outdoor heat exchanger 8, by outdoor heat exchanger 8 evaporation endothermic itself become the gas of medium temperature low pressure, and then successively
Enter compressor 7 by the third interface 133 and second interface 132 of four-way valve 13, gas-liquid separator 14, is recycled, completed with this
To indoor heat-production functions.
As shown in figure 3, refrigerant becomes high temperature height under the action of compressor 7 when system is run in cooling mode
The gas of pressure enters outdoor heat exchanger 8 by the 4th interface 134 and third interface 133 of four-way valve 13, and condensation heat release is outdoor
Liquid water around heat exchanger 8 absorbs, itself is then cooled to the liquid of medium temperature high pressure, flows out outdoor heat exchanger 8, passes through simultaneously
4th check valve 4 enters liquid storage device 11, and then enters device for drying and filtering 12, and then enters refrigerant-expansion by the first check valve 1
Valve 6, the liquid for becoming low-temp low-pressure enter the room heat exchanger 9, become medium temperature by evaporation endothermic itself in heat exchanger 9 indoors
The gas of low pressure, and then compression is successively entered by the first interface 131 of four-way valve 13, second interface 132, gas-liquid separator 14
Machine 7, is recycled with this, is completed to indoor refrigerating function.
Above-mentioned refrigerant-expansion and heating expansion valve are not interfere with each other independently of each other, and when type selecting, refrigeration thermostatic expansion valve is by system
Indoor evaporating temperature under cold mode, outdoor condensing temperature, required refrigerating capacity, expansion valve inlet and outlet pressure difference carry out type selecting；Heating
Expansion valve is pressed indoor condensation temperature under heating mode, outdoor evaporating temperature, required heating capacity, expansion valve inlet and outlet pressure difference and is carried out
Type selecting matches down the refrigeration expansion valve being more suitable individually for system under refrigeration, heating mode operating condition and heating is swollen
Swollen valve, to realize more accurate control.
A kind of air conditioner, including such as above-mentioned bidirectional throttle system.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (12)
1. a kind of expansion valve component, which is characterized in that the expansion valve component includes: concatenated first check valve (1), the second list
To valve (2), heating expansion valve (3), the 4th check valve (4), third check valve (5) and refrigeration expansion valve (6).
2. expansion valve component according to claim 1, which is characterized in that the refrigeration expansion valve (6) and the heating are swollen
Swollen valve (3) is heating power expansion valve or electric expansion valve.
3. a kind of bidirectional throttle system, which is characterized in that including such as above-mentioned expansion valve group of any of claims 1-2
Part further includes compressor (7), outdoor heat exchanger (8) and indoor heat exchanger (9), passes through piping connection, the room between each component
One end of interior heat exchanger (9) is connected on the pipeline between the refrigeration expansion valve (6) and the third check valve (5), described
The other end and the compressor (7) of indoor heat exchanger (9) connect, and one end of the outdoor heat exchanger (8) is connected to the system
On pipeline between thermal expansion valve (3) and the 4th check valve (4), the other end of the outdoor heat exchanger (8) and the pressure
Contracting machine (7) connection.
4. bidirectional throttle system according to claim 3, which is characterized in that further include liquid storage device (11), the liquid storage device
(11) one end is connected on the pipeline between third check valve (5) and the 4th check valve (4), the liquid storage device (11)
The other end is connected on the pipeline between first check valve (1) and the second one-way valve (2).
5. bidirectional throttle system according to claim 4, which is characterized in that the liquid storage device (11) is connected to described first
Device for drying and filtering (12) are additionally provided on pipeline between check valve (1) and the second one-way valve (2).
6. bidirectional throttle system according to claim 3, which is characterized in that further include four-way valve (13), the four-way valve
(13) first interface (131) and the indoor heat exchanger (9) connection, the second interface (132) of the four-way valve (13) and institute
State air inlet (71) connection of compressor (7), the third interface (133) and the outdoor heat exchanger (8) of the four-way valve (13)
Connection, gas outlet (72) connection of the 4th interface (134) and the compressor (7) of the four-way valve (13).
7. bidirectional throttle system according to claim 6, which is characterized in that further include gas-liquid separator (14), the gas
Liquid/gas separator (14) is arranged to be connected in the second interface (132) of the four-way valve (13) and the air inlet (71) of the compressor (7)
On the pipeline connect.
8. bidirectional throttle system according to claim 3, which is characterized in that the outside of the indoor heat exchanger (9) is arranged
There are blower (10).
9. bidirectional throttle system according to claim 6, which is characterized in that the four-way valve (13) is switched by deflecting,
It controls the system in a chiller mode or heating mode is run.
10. bidirectional throttle system according to claim 9, which is characterized in that the system is run with the refrigeration mode
When, the 4th interface (134) of the four-way reversing valve (13) is connected to the third interface (133) of the four-way reversing valve (13),
The first interface (131) of the four-way reversing valve (13) is connected to the second interface (132) of the four-way reversing valve (13).
11. bidirectional throttle system according to claim 9, which is characterized in that the system is run with the heating mode
When, the first interface (131) of the four-way reversing valve (13) is connected to the 4th interface (134) of the four-way reversing valve (11),
The third interface (133) of the four-way reversing valve (13) is connected to the second interface (132) of the four-way reversing valve (11).
12. a kind of air conditioner, which is characterized in that including the bidirectional throttle system as described in any one of the claims 3-11
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425907.5A CN110057144A (en) | 2019-05-21 | 2019-05-21 | A kind of expansion valve component, bidirectional throttle system and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910425907.5A CN110057144A (en) | 2019-05-21 | 2019-05-21 | A kind of expansion valve component, bidirectional throttle system and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110057144A true CN110057144A (en) | 2019-07-26 |
Family
ID=67323891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910425907.5A Pending CN110057144A (en) | 2019-05-21 | 2019-05-21 | A kind of expansion valve component, bidirectional throttle system and air conditioner |
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| CN (1) | CN110057144A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114427766A (en) * | 2022-02-11 | 2022-05-03 | 新昌县丰亿电器有限公司 | Refrigeration loop configuration method for realizing forward and reverse high-low pressure switching |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040035132A1 (en) * | 2002-08-22 | 2004-02-26 | Lg Electronics Inc. | Multi-air conditioner and operation method thereof |
| KR20060075983A (en) * | 2004-12-29 | 2006-07-04 | 위니아만도 주식회사 | Heat-pump air-conditioner |
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| CN210154138U (en) * | 2019-05-21 | 2020-03-17 | 宁波奥克斯电气股份有限公司 | Expansion valve assembly, bidirectional throttling system and air conditioner |
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| US20040035132A1 (en) * | 2002-08-22 | 2004-02-26 | Lg Electronics Inc. | Multi-air conditioner and operation method thereof |
| KR20060075983A (en) * | 2004-12-29 | 2006-07-04 | 위니아만도 주식회사 | Heat-pump air-conditioner |
| CN101900448A (en) * | 2009-06-01 | 2010-12-01 | 特灵空调系统(中国)有限公司 | Steam jet enthalpy heat pump air-conditioning hot water unit |
| CN109631381A (en) * | 2018-11-09 | 2019-04-16 | 青岛沃润达新能源科技有限公司 | A kind of vortex type air source heat pump system of the simultaneous refrigeration of heating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114427766A (en) * | 2022-02-11 | 2022-05-03 | 新昌县丰亿电器有限公司 | Refrigeration loop configuration method for realizing forward and reverse high-low pressure switching |
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