CN108716789A - Heat exchanger, liquid separation control device, air conditioner and control method of air conditioner - Google Patents
Heat exchanger, liquid separation control device, air conditioner and control method of air conditioner Download PDFInfo
- Publication number
- CN108716789A CN108716789A CN201810633370.7A CN201810633370A CN108716789A CN 108716789 A CN108716789 A CN 108716789A CN 201810633370 A CN201810633370 A CN 201810633370A CN 108716789 A CN108716789 A CN 108716789A
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- Prior art keywords
- heat exchanger
- control device
- liquid separation
- separation control
- air conditioner
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- 239000007788 liquid Substances 0.000 title claims abstract description 53
- 238000000926 separation method Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003507 refrigerant Substances 0.000 claims abstract description 42
- 230000001939 inductive effect Effects 0.000 claims abstract description 12
- 238000010257 thawing Methods 0.000 claims description 9
- 230000005764 inhibitory process Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 20
- 230000001965 increasing effect Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000004087 circulation Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 9
- 239000002826 coolant Substances 0.000 description 9
- 238000004378 air conditioning Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001331 thermoregulatory effect 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
- F25B39/00—Evaporators; Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a heat exchanger, relates to the technical field of electric appliances, and overcomes the defect of poor heat exchange effect of a traditional fin structure heat exchanger. The heat exchanger provided by the invention comprises at least two rows of fin rows, a gap space is arranged between every two adjacent fin rows, and at least one air inducing device for inducing air into the gap space. In a word, increase the induced air device that can draw the wind in the interstitial space between row and the fin row to make fin row and arrange and have sufficient circulation of air heat transfer, and increased flow velocity, further improved heat exchange efficiency. The invention also provides a liquid separation control device, an air conditioner and a control method thereof, the problem of uneven refrigerant can be effectively avoided through the liquid separation control device, and in addition, the temperature sensing bulb, the controller and the electronic expansion valve are additionally arranged, so that the temperature of the refrigerant is monitored in real time, the flow of the refrigerant is regulated in real time, the accurate control is realized, and the performance effect of the heat exchanger can be exerted to the maximum extent.
Description
Technical field
The present invention relates to technical field of electric appliances, more particularly, to a kind of heat exchanger, liquid separation control device, air conditioner and its control
Method processed.
Background technology
Indoor temperature can be adjusted in air-conditioning, can room air be freezed or be heated, to meet people
For the demand of comfort level, air-conditioning has gradually been come into people's lives, becomes work and essential articles for use of living.
The heat exchange efficiency of heat exchanger largely effects on the using effect of air-conditioning, at present changing in air-conditioner outdoor unit on the market
Hot device is most commonly seen with two rows of or three rows heat exchanger structures.Wherein, heat exchanger fin fits closely between row and row, practical
Upper is an overall heat exchange device, in pipe refrigerant in outside air heat transfer process, air flows through enters the after first row heat exchange
When two rows, declined with the heat transfer temperature difference of refrigerant in pipe, the heat transfer effect of second row declines obviously, if continuing flow through third row
Then heat transfer temperature difference further declines, and it is worse that third arranges heat transfer effect.Although in order to improve heat transfer effect, occur some on the market
The separately positioned heat exchanger in gap, but for the finned heat exchanger of multiple rows of setting, with the increase of heat exchanger tube number of rows, by meeting
To leeward, the heat exchange efficiency of heat exchanger tube still declines many in wind face, and entire efficiency of heat exchanger remains unchanged not high, leads to Indoor Temperature
Degree cannot be satisfied requirement of the people for comfort level.
Invention content
The purpose of the present invention is to provide a kind of heat exchanger, liquid separation control device, air conditioner and its control method, structures
Simply, by staying the blower unit for setting clearance space, and increasing the air inducing into clearance space between arranging adjacent two fin so that
Fin between row and row there is enough air circulations to exchange heat, and improves flowing velocity, increases heat exchange area, further increases
Heat transfer effect.
To achieve the above object, the present invention provides following technical schemes：
Heat exchanger provided by the invention, including at least two rows of fin rows, adjacent two fin are provided with gap between arranging
Space further includes the blower unit of at least one air inducing into the clearance space.
Optionally, the blower unit is set on the chassis of heat exchanger and/or on head cover.
Optionally, on the chassis of heat exchanger and be both provided with the blower unit on head cover, on chassis described in draw
Wind apparatus and the blower unit on head cover are correspondingly arranged up and down.
Optionally, the blower unit is air-introduced machine.
The present invention also provides a kind of liquid separation control device, including heat exchanger, the heat exchanger is above-mentioned heat exchanger.
Optionally, the heat exchanger is equipped at least two groups feed liquor port, the quantity of every group of feed liquor port of the heat exchanger
At least two；The liquid separation control device further includes the one-to-one distributor in each group feed liquor port with the heat exchanger,
The feed liquor port of heat exchanger described in corresponding one group of each outlet end mouth of each distributor corresponds connection.
Optionally, the liquid separation control device further includes the electronic expansion being connected with the feed liquor port of the distributor
Valve.
Optionally, the liquid separation control device include main line, at least two branches that are connected with the main line, Ge Gesuo
The feed liquor port for stating distributor is connected with the branch, and the electric expansion valve is multiple and is arranged correspondingly each
A branch road.
Optionally, it is provided with filter between the electric expansion valve and the distributor.
The present invention also provides a kind of air conditioner, including liquid separation control device, the liquid separation control device is above-mentioned liquid separation
Control device.
Optionally, further include refrigerant temperature for incuding each distributor outflow defrost temperature sensing package and with it is each
The defrosting control device for controlling defrost that a defrost temperature sensing package is communicably connected.
The present invention also provides a kind of air conditioner, including liquid separation control device, the liquid separation control device is above-mentioned liquid separation
Control device.
Optionally, each group feed liquor port of the heat exchanger is corresponding with one group of outlet end mouth；Outlet end mouth described in each group
Mutually collected by collector；The air conditioner further includes at least one for incuding the refrigerant temperature that its corresponding collector collects
First temperature sensing package；Further include control device for electronic expansion valve, the control device for electronic expansion valve and each first temperature sensing package
Communicably it is connected with each electric expansion valve.
Optionally, further include refrigerant temperature for incuding each distributor outflow defrost temperature sensing package and with it is each
The defrosting control device for controlling defrost that a defrost temperature sensing package is communicably connected.
The present invention also provides a kind of control methods of air conditioner, are applied to above-mentioned air conditioner, including：
Detect the refrigerant temperature T that any one collector collects；
The refrigerant temperature T of acquisition is compared with the difference of unit low-pressure temperature a with the unit desired value c of setting；
If T-a > c, the aperture for controlling electric expansion valve corresponding with the detected collector increases；
If T-a < c, the aperture for controlling electric expansion valve corresponding with the detected collector reduces；
If T-a=c, the aperture for controlling electric expansion valve corresponding with the detected collector is constant.
In technical solution provided by the invention, clearance space is set by being stayed between arranging adjacent two fin, increases heat exchange
Area, has been effectively ensured heat transfer effect, and in the clearance space of fin between row and row air inducing blower unit, to increase
Flowing velocity, further improves heat exchange efficiency, and the fin of existing heat exchanger fits closely between row and row, actually
For an overall heat exchange device, most of heat exchange area cannot be fully used in heat transfer process, influence heat transfer effect, cause
Indoor temperature cannot be satisfied requirement of the people for comfort level, even if the heat exchanger for having some separately positioned on the market, but it is right
In the finned heat exchanger of multiple rows of setting, with the increase of heat exchanger tube number of rows, by windward side to leeward, the heat exchange of heat exchanger tube is imitated
Rate still declines many, and still not high, the of the invention heat exchanger of entire efficiency of heat exchanger changes existing close set-up mode
For the mode with heat transfer space, to increase heat exchange area, be effectively ensured heat transfer effect, and fin between row and row
Clearance space in air inducing blower unit so that fin between row and row there is enough air circulation to exchange heat, and increase
Flowing velocity is added, has further improved heat exchange efficiency, has kept user's use more comfortable.
In the preferred embodiment of the present invention, distributor is correspondingly arranged by each feed liquor port in heat exchanger, to carry out
Liquid separation controls, and can effectively avoid the problem of refrigerant unevenness.
It is cold to monitor in real time by adding temperature sensing package, controller and electric expansion valve in the preferred embodiment of the present invention
Matchmaker's temperature simultaneously adjusts cold medium flux in real time, to accomplish to be precisely controlled, can play the impact of performance of heat exchanger to greatest extent.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is heat exchanger axonometric drawing in the embodiment of the present invention；
Fig. 2 is that heat exchanger axis regards sectional view in the embodiment of the present invention；
Fig. 3 is heat exchanger vertical view in the embodiment of the present invention；
Fig. 4 is heat exchanger overhead sectional view in the embodiment of the present invention；
Fig. 5 is heat exchanger front view in the embodiment of the present invention；
Fig. 6 is liquid separation control device schematic diagram in the embodiment of the present invention；
Fig. 7 is the liquid separation control device schematic diagram with the first temperature sensing package in the embodiment of the present invention.
In figure：1, fin is arranged；2, clearance space；3, blower unit；4, distributor；5, electric expansion valve；6, filter；7,
Defrost temperature sensing package；8, the first temperature sensing package.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
The present invention provides a kind of heat exchangers, as Figure 1-Figure 5, including at least two rows of fin rows 1, adjacent two fins row
Clearance space 2 is provided between 1.It further include the blower unit 3 of at least one air inducing into clearance space 2.Since the present invention will
It is stayed between adjacent two fin row and sets clearance space, increase heat exchange area, be effectively ensured heat transfer effect, and existing heat exchanger
Fin fit closely between row and row, be actually an overall heat exchange device, most of heat exchange area is not in heat transfer process
It can be fully used, influence heat transfer effect, the requirement for causing indoor temperature to cannot be satisfied people for comfort level, even if market
On have some separately positioned heat exchanger, but for the finned heat exchanger of multiple rows of setting, with the increase of heat exchanger tube number of rows,
By windward side to leeward, the heat exchange efficiency of heat exchanger tube still declines many, and entire efficiency of heat exchanger is not still high, the present invention
The laying mode of existing fin between row and row is changed to have and be changed by the heat exchanger in specific embodiment by close set-up mode
The mode of heat space, and add blower unit sets blower unit to the air inducing into fin clearance space between row and row,
To increase flowing velocity, heat exchange efficiency is further improved, there is higher practical value, fully meet the use of user
Demand.
It should be noted that the structure of clearance space can be up and down, it may be set to be and do not penetrate through, as long as
It is that fin can between row and row be reserved to certain space, the scheme that can increase heat exchange area can.
Optionally embodiment further includes at least one into clearance space 2 in specific embodiments of the present invention
The blower unit 3 of air inducing.When in use, it by adding blower unit, and sets to fin between row and row blower unit to
Clearance space in air inducing further improve heat exchange efficiency to increase flowing velocity, have higher practical value.
It should be noted that the installation position of blower unit is not defined, fin could be provided as between row and row
Clearance space inside, may be set to be outside the clearance space of fin between row and row, be also not limited to clearance space
Bottom or top, as long as being that by into clearance space air inducing to improve heat transfer effect.
In specific embodiments of the present invention, blower unit 3 is set on the chassis of heat exchanger and/or on head cover.
Optionally embodiment is both provided with blower unit 3 on the chassis of heat exchanger and on head cover, is located on chassis
Blower unit 3 and about 3 blower unit on head cover be correspondingly arranged, be so correspondingly arranged, can make up and down correspondence
The blower unit realization of setting mutually blows function, can further increase heat exchange efficiency and heat transfer effect, so that user is used and feels more
Add comfortable.
Optionally embodiment, in specific embodiments of the present invention, blower unit 3 is air-introduced machine, structure letter
It is single, easy to use.
Embodiment 1：
The present invention also provides a kind of liquid separation control devices, and as Figure 6-Figure 7, including heat exchanger, heat exchanger are above-mentioned
Heat exchanger.
Optionally embodiment, in specific embodiments of the present invention, heat exchanger is equipped at least two groups feed liquor port,
The quantity at least two of every group of feed liquor port of heat exchanger；Liquid separation control device further includes multiple distributors 4, and and heat exchanger
Each group feed liquor port correspond, the feed liquor port of one group of corresponding heat exchanger of each outlet end mouth of each distributor 4
Correspond connection.Due to being provided with distributor, refrigerant can be evenly distributed, so that every group of feed liquor of heat exchanger
The refrigerant that port flows into is more uniform, is unlikely to because some liquid feeding end influences flowing velocity because coolant quantity is excessive, also not
As for because some liquid feeding end influences heat transfer effect because coolant quantity is very few.
In order to realize reducing pressure by regulating flow, and refrigerant realization is accurately controlled, in specific embodiments of the present invention, liquid separation control
Device further includes the electric expansion valve 5 being connected with the feed liquor port of distributor 4.When coolant quantity is less, electronics can be increased
The aperture of expansion valve, when coolant quantity is more, can reduce the aperture of electric expansion valve to increase the flow velocity of refrigerant, to
The flow velocity for reducing refrigerant, to be accurately precisely controlled to refrigerant realization.
Optionally embodiment, in specific embodiments of the present invention, liquid separation control device includes main line and main line
The feed liquor port of at least two branches being connected, each distributor 4 is connected with branch, and electric expansion valve 5 is multiple and one
One is arranged in correspondence on each road.Be correspondingly arranged distributor by each feed liquor port in heat exchanger, to refrigerant into
Row liquid separation controls, and can effectively avoid the problem of refrigerant unevenness, further increase heat transfer effect.
Embodiment 2：
The present embodiment is to one further improved embodiment of embodiment：
Optionally embodiment, in specific embodiments of the present invention, heat exchanger is equipped at least two groups feed liquor port,
The quantity at least two of every group of feed liquor port of heat exchanger；Liquid separation control device further includes multiple distributors 4, and and heat exchanger
Each group feed liquor port correspond, the feed liquor port of one group of corresponding heat exchanger of each outlet end mouth of each distributor 4
Correspond connection.Due to being provided with distributor, refrigerant can be evenly distributed, so that every group of feed liquor of heat exchanger
The refrigerant that port flows into is more uniform, is unlikely to because some liquid feeding end influences flowing velocity because coolant quantity is excessive, also not
As for because some liquid feeding end influences heat transfer effect because coolant quantity is very few.
In order to realize reducing pressure by regulating flow, and refrigerant realization is accurately controlled, in specific embodiments of the present invention, liquid separation control
Device further includes the electric expansion valve 5 being connected with the feed liquor port of distributor 4.When coolant quantity is less, electronics can be increased
The aperture of expansion valve, when coolant quantity is more, can reduce the aperture of electric expansion valve to increase the flow velocity of refrigerant, to
The flow velocity for reducing refrigerant, to be accurately precisely controlled to refrigerant realization.
In order to be purified to refrigerant, to improve service life, in specific embodiments of the present invention, electric expansion valve
Filter 6 is set between 5 and distributor 4.Refrigerant passes through after electric expansion valve reducing pressure by regulating flow, takes the lead in carrying out by filter
Then filter enters back into distributor by purified refrigerant and carries out liquid separation, can not only be purified to refrigerant can also be to cold
Matchmaker carries out liquid separation, has preferably practical value.
The present invention also provides a kind of air conditioner, including liquid separation control device, liquid separation control device is point in embodiment 2
Liquid control device.
Optionally embodiment further includes being flowed for incuding each distributor 4 in specific embodiments of the present invention
The defrost temperature sensing package 7 of the refrigerant temperature gone out and the change for controlling defrost being communicably connected with each defrost temperature sensing package 7
White control device.When in use, due to being provided with multiple defrost temperature sensing packages, by each of defrost temperature sensing package and distributor
Outlet end mouth is correspondingly arranged, and the refrigerant temperature of distributor outflow is incuded by defrost temperature sensing package, to defrosting control device root
Corresponding operation is carried out according to pre-set programs, to which the thermoregulatory effect of air conditioner be better achieved.
The present invention also provides a kind of air conditioner, including liquid separation control device, liquid separation control device is point in embodiment 1
Liquid control device.
Optionally embodiment, in specific embodiments of the present invention, each group feed liquor port of heat exchanger is corresponding
One group of outlet end mouth is set；Each group outlet end mouth is mutually collected by collector；Air conditioner further includes at least one for incuding it
First temperature sensing package 8 of the refrigerant temperature that corresponding collector collects；Further include control device for electronic expansion valve, electronic expansion valve controls
Device is communicably connected with each first temperature sensing package 8 and each electric expansion valve 5.
As shown in fig. 7, further including defrost temperature sensing package 7 and defrosting control device, wherein defrost temperature sensing package 7 is each for incuding
The refrigerant temperature that a distributor 4 flows out, defrosting control device are used to control the defrost of air-conditioning, each defrost temperature sensing package 7 and defrost
Control device is communicably connected.When in use, the cold of each distributor outflow is come to monitor by defrost temperature sensing package
Matchmaker's temperature, to which defrosting control device carries out defrosting operation according to pre-set programs, to which the temperature adjustment of air conditioner be better achieved
Effect.
The present invention also provides a kind of control methods of air conditioner, are applied to above-mentioned air conditioner, including：
Detect the refrigerant temperature T that any one collector collects；
The refrigerant temperature T of acquisition is compared with the difference of unit low-pressure temperature a with the unit desired value c of setting；
If T-a > c, the aperture for controlling electric expansion valve (5) corresponding with the detected collector increases；
If T-a < c, the aperture for controlling electric expansion valve (5) corresponding with the detected collector reduces；
If T-a=c, the aperture for controlling electric expansion valve (5) corresponding with the detected collector is constant.
Wherein, it should be noted that：Unit low-pressure temperature a is the corresponding saturation of refrigerant pressure of machine set compressor air entry
Temperature.C values are a setting value, i.e. unit desired value, need formulated according to the reliability and refrigeration effect of unit allocation one
A reasonable value or range, in specific embodiments of the present invention, by the difference of the refrigerant temperature of acquisition and unit low-pressure temperature a
It is compared with the unit desired value c of setting, to be controlled by control device for electronic expansion valve according to the program set
The aperture of electric expansion valve, to realize the adjusting of coolant quantity.
It should be noted that the present invention study distributor, electric expansion valve, defrost temperature sensing package number be according to reality
Border use demand carries out suitable quantity selection, it is not limited in specific embodiments of the present invention, the installation position of wind turbine
It is that can be adaptively adjusted according to actual use and installation requirements.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (15)
1. a kind of heat exchanger, which is characterized in that arrange (1) including at least two rows of fins, be arranged between the adjacent two fin row (1)
There is clearance space (2), further includes the blower unit (3) of air inducing at least one (2) to the clearance space.
2. heat exchanger according to claim 1, which is characterized in that the blower unit (3) is set to the chassis of heat exchanger
On upper and/or head cover.
3. heat exchanger according to claim 2, which is characterized in that be both provided on the chassis of heat exchanger and on head cover described
Blower unit (3), the blower unit (3) and the blower unit (3) on head cover being located on chassis correspond to up and down
Setting.
4. heat exchanger according to claim 2, which is characterized in that the blower unit (3) is air-introduced machine.
5. a kind of liquid separation control device, including heat exchanger, which is characterized in that the heat exchanger is as any in claim 1-4
The item heat exchanger.
6. liquid separation control device according to claim 5, which is characterized in that the heat exchanger is equipped at least two groups liquid feeding end
Mouthful, the quantity at least two of every group of feed liquor port of the heat exchanger；The liquid separation control device further includes and the heat exchange
The one-to-one distributor in each group feed liquor port (4) of device, each outlet end mouth of each distributor (4) it is corresponding one
The feed liquor port of the group heat exchanger corresponds connection.
7. liquid separation control device according to claim 6, which is characterized in that the liquid separation control device further include with it is described
The electric expansion valve (5) that the feed liquor port of distributor (4) is connected.
8. liquid separation control device according to claim 7, which is characterized in that the liquid separation control device include main line, with
The feed liquor port of at least two branches that the main line is connected, each distributor (4) is connected with the branch, described
Electric expansion valve (5) is multiple and is arranged correspondingly on each branch road.
9. liquid separation control device according to claim 7, which is characterized in that the electric expansion valve (5) and the distribution
Filter (6) is provided between device (4).
10. a kind of air conditioner, including liquid separation control device, which is characterized in that the liquid separation control device is such as claim 6-
7, the liquid separation control device described in any one of 9.
11. air conditioner according to claim 10, which is characterized in that further include for incuding each distributor (4)
The defrost temperature sensing package (7) of the refrigerant temperature of outflow and with each defrost temperature sensing package (7) be communicably connected for controlling
The defrosting control device of inhibition and generation frost.
12. a kind of air conditioner, including liquid separation control device, which is characterized in that the liquid separation control device is such as claim 8 institute
The liquid separation control device stated.
13. air conditioner according to claim 12, which is characterized in that each group feed liquor port of the heat exchanger is corresponding with
One group of outlet end mouth；Outlet end mouth described in each group is mutually collected by collector；The air conditioner further includes at least one for feeling
Answer the first temperature sensing package (8) for the refrigerant temperature that its corresponding collector collects；Further include control device for electronic expansion valve, the electronics
Expansion control valve device is communicably connected with each first temperature sensing package (8) and each electric expansion valve (5).
14. air conditioner according to claim 12, which is characterized in that further include for incuding each distributor (4)
The defrost temperature sensing package (7) of the refrigerant temperature of outflow and with each defrost temperature sensing package (7) be communicably connected for controlling
The defrosting control device of inhibition and generation frost.
15. a kind of control method of air conditioner, which is characterized in that it is applied to air conditioner as described in claim 13, including：
Detect the refrigerant temperature T that any one collector collects；
The refrigerant temperature T of acquisition is compared with the difference of unit low-pressure temperature a with the unit desired value c of setting；
If T-a > c, the aperture for controlling electric expansion valve (5) corresponding with the detected collector increases；
If T-a < c, the aperture for controlling electric expansion valve (5) corresponding with the detected collector reduces；
If T-a=c, the aperture for controlling electric expansion valve (5) corresponding with the detected collector is constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633370.7A CN108716789A (en) | 2018-06-20 | 2018-06-20 | Heat exchanger, liquid separation control device, air conditioner and control method of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633370.7A CN108716789A (en) | 2018-06-20 | 2018-06-20 | Heat exchanger, liquid separation control device, air conditioner and control method of air conditioner |
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| CN108716789A true CN108716789A (en) | 2018-10-30 |
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