CN106766443A - Air conditioner heat pump system and its control method and control device - Google Patents
Air conditioner heat pump system and its control method and control device Download PDFInfo
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- CN106766443A CN106766443A CN201611024644.XA CN201611024644A CN106766443A CN 106766443 A CN106766443 A CN 106766443A CN 201611024644 A CN201611024644 A CN 201611024644A CN 106766443 A CN106766443 A CN 106766443A
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- heat pump
- air conditioner
- pump system
- conditioner heat
- aperture
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000033228 biological regulation Effects 0.000 claims abstract description 45
- 238000010257 thawing Methods 0.000 claims abstract description 37
- 230000004907 flux Effects 0.000 claims abstract description 11
- 238000012937 correction Methods 0.000 claims description 16
- 238000013016 damping Methods 0.000 claims description 7
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 6
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 230000032258 transport Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
-
- 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
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- 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
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
-
- 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
- F25B2600/2513—Expansion valves
-
- 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)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a kind of air conditioner heat pump system and its control method and control device, wherein, the electric expansion valve for adjusting cold medium flux is included in the air conditioner heat pump system, the control method includes：When the air conditioner heat pump system needs defrost to run, first aperture of the electric expansion valve before defrost operation is recorded, and control the air conditioner heat pump system to perform defrosting operation；After the air conditioner heat pump system completes defrosting operation, the mode operation before controlling the air conditioner heat pump system to be run with defrost, and by the aperture regulation of the electric expansion valve to the second aperture more than first aperture.Technical scheme can ensure that air conditioner heat pump system reaches optimum Working as early as possible after defrosting operation, effectively increase the comfortableness of unit and energy-saving, be conducive to being lifted the experience of user.
Description
Technical field
The present invention relates to technical field of air-conditioning heat pumps, in particular to a kind of control method of air conditioner heat pump system, one
Plant the control device and a kind of air conditioner heat pump system of air conditioner heat pump system.
Background technology
Electric expansion valve is used than wide in air conditioner heat pump system, mainly to the refrigerant stream in refrigerant circulation circuit
Amount is adjusted.In the current electronic expansion valve controls technology for proposing, when unit enters defrost pattern, electric expansion valve one
As be all to reach maximum, while retain defrost before opening value, again by before electronic expansion valve regulation to defrost after waiting defrost to terminate
Opening value.
But, the frequency in frequency-changeable compressor be not changed in or constant speed compressor in the case of, unit before and after defrost
The pressure and temperature of evaporation side is differed, and the thicker difference of frosting is bigger, if therefore electric using identical before and after defrost
Sub- expansion valve opening, can cause unit to need, by that could enter optimum Working after the long period, to have impact on user's
Experience.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
Therefore, it is an object of the present invention to propose a kind of control method of new air conditioner heat pump system, Ke Yibao
Card air conditioner heat pump system reaches optimum Working as early as possible after defrosting operation, effectively increases the comfortableness and energy-conservation of unit
Type, is conducive to being lifted the experience of user.
A kind of control device of air conditioner heat pump system is proposed it is another object of the present invention to correspondence and with the control
The air conditioner heat pump system of device processed.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of air conditioner heat pump system
Control method, includes the electric expansion valve for adjusting cold medium flux, the control method bag in the air conditioner heat pump system
Include following steps：
When the air conditioner heat pump system needs defrost to run, first of the electric expansion valve before defrost operation is recorded
Aperture, and control the air conditioner heat pump system to perform defrosting operation；
After the air conditioner heat pump system completes defrosting operation, before controlling the air conditioner heat pump system to be run with defrost
Mode operation, and by the aperture regulation of the electric expansion valve to more than first aperture the second aperture.
The control method of air conditioner heat pump system according to an embodiment of the invention, due to before defrosting operation, evaporator
On frost layer it is thicker, have impact on heat transfer effect, and after defrosting operation, the exchange capability of heat enhancing of evaporator, therefore by
After defrosting operation, by the aperture regulation of electric expansion valve to the second aperture more than the first aperture, enabling in evaporator
Exchange capability of heat it is stronger when, the cold medium flux in increase circulation loop and then ensure that the unit of air conditioner heat pump system as early as possible
Optimum Working is reached, the duration that stable state is reached after defrosting operation is shortened, the comfortableness of unit is effectively increased
With it is energy-saving, be conducive to lifted user experience.
Wherein, pattern of the air conditioner heat pump system before defrost operation can be heating mode or heat aqueous mode.
The control method of air conditioner heat pump system according to the abovementioned embodiments of the present invention, can also have following technology special
Levy：
In one embodiment of the invention, second aperture is first aperture and preset correction value sum.
Wherein it is possible to the combination according to following at least one parameter or multiple parameters determines the preset correction value：Environment
Pressure value, temperature damping in temperature, unit load, the Guan Wen of heat exchanger, defrost cycle, air conditioner heat pump system lead.
In one embodiment of the invention, the control method of described air conditioner heat pump system also includes：By the electricity
After the aperture regulation of sub- expansion valve is to second aperture and by scheduled duration, by the aperture regulation of the electric expansion valve
To target aperture.
Wherein it is possible to the practical capacity demand according to the air conditioner heat pump system determines the value of the target aperture.
In this embodiment, after by the aperture regulation of electric expansion valve to the second aperture, unit can reach as early as possible
Stable state, and by after by scheduled duration, by the aperture regulation of electric expansion valve to target aperture so that air conditioner heat
Pumping system can come to be adjusted the aperture of electric expansion valve according to the actual requirements after stable state is reached, to meet
The use demand of user.Wherein, scheduled duration should ensure that unit can reach stable state after defrost.
Embodiment according to a second aspect of the present invention, it is also proposed that a kind of control device of air conditioner heat pump system, the sky
Include the electric expansion valve for adjusting cold medium flux in tune heat pump, the control device includes：Recording unit, is used for
When the air conditioner heat pump system needs defrost to run, first aperture of the electric expansion valve before defrost operation is recorded；Control
Unit processed, for when the air conditioner heat pump system needs defrost to run, controlling the air conditioner heat pump system to perform defrosting operation,
And after the air conditioner heat pump system completes defrosting operation, the mould before controlling the air conditioner heat pump system to be run with defrost
Formula is run, and by the aperture regulation of the electric expansion valve to the second aperture more than first aperture.
The control device of air conditioner heat pump system according to an embodiment of the invention, due to before defrosting operation, evaporator
On frost layer it is thicker, have impact on heat transfer effect, and after defrosting operation, the exchange capability of heat enhancing of evaporator, therefore by
After defrosting operation, by the aperture regulation of electric expansion valve to the second aperture more than the first aperture, enabling in evaporator
Exchange capability of heat it is stronger when, the cold medium flux in increase circulation loop and then ensure that the unit of air conditioner heat pump system as early as possible
Optimum Working is reached, the duration that stable state is reached after defrosting operation is shortened, the comfortableness of unit is effectively increased
With it is energy-saving, be conducive to lifted user experience.
Wherein, pattern of the air conditioner heat pump system before defrost operation can be heating mode or heat aqueous mode.
The control device of air conditioner heat pump system according to the abovementioned embodiments of the present invention, can also have following technology special
Levy：
In one embodiment of the invention, second aperture is first aperture and preset correction value sum.
Further, the control device of described air conditioner heat pump system also includes：Processing unit, for according to it is following at least
The combination of one parameter or multiple parameters determines the preset correction value：Environment temperature, unit load, the Guan Wen of heat exchanger, change
Pressure value, temperature damping in white cycle, air conditioner heat pump system lead.
In one embodiment of the invention, described control unit is additionally operable to：Adjusted by the aperture of the electric expansion valve
After section is to second aperture and by scheduled duration, by the aperture regulation of the electric expansion valve to target aperture.
Further, the control device of described air conditioner heat pump system also includes：Determining unit, for according to the air-conditioning
The practical capacity demand of heat pump determines the value of the target aperture.
In this embodiment, after by the aperture regulation of electric expansion valve to the second aperture, unit can reach as early as possible
Stable state, and by after by scheduled duration, by the aperture regulation of electric expansion valve to target aperture so that air conditioner heat
Pumping system can come to be adjusted the aperture of electric expansion valve according to the actual requirements after stable state is reached, to meet
The use demand of user.Wherein, scheduled duration should ensure that unit can reach stable state after defrost.
A kind of embodiment according to a third aspect of the present invention, it is also proposed that air conditioner heat pump system, including：Such as above-mentioned embodiment
Any one of air conditioner heat pump system control device.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 shows that the flow of the control method of air conditioner heat pump system according to first embodiment of the invention is illustrated
Figure；
Fig. 2 shows that the flow of the control method of the air conditioner heat pump system of second embodiment of the invention is illustrated
Figure；
Fig. 3 shows the structural representation of the control device of air conditioner heat pump system according to first embodiment of the invention
Figure；
Fig. 4 shows the structural representation of the control device of the air conditioner heat pump system of second embodiment of the invention
Figure；
Fig. 5 shows the structural representation of the control device of the air conditioner heat pump system of the 3rd embodiment of the invention
Figure；
Fig. 6 shows the structural representation of the control device of the air conditioner heat pump system of the 4th embodiment of the invention
Figure.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied to be further described in detail the present invention.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also
Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows that the flow of the control method of air conditioner heat pump system according to first embodiment of the invention is illustrated
Figure, wherein, the electric expansion valve for adjusting cold medium flux is included in air conditioner heat pump system.
As shown in figure 1, the control method of air conditioner heat pump system according to first embodiment of the invention, including following step
Suddenly：
Step S10, when air conditioner heat pump system needs defrost to run, recorded electronic expansion valve defrost operation before first
Aperture, and control the air conditioner heat pump system to perform defrosting operation.
Step S12, after the air conditioner heat pump system completes defrosting operation, controls the air conditioner heat pump system with defrost
Mode operation before operation, and by the aperture regulation of the electric expansion valve to the second aperture more than first aperture.
Specifically, second aperture is first aperture and preset correction value sum.
Wherein it is possible to the combination according to following at least one parameter or multiple parameters determines the preset correction value：Environment
Pressure value, temperature damping in temperature, unit load, the Guan Wen of heat exchanger, defrost cycle, air conditioner heat pump system lead.
In the technical scheme shown in Fig. 1, because before defrosting operation, the frost layer on evaporator is thicker, have impact on and changes
Thermal effect, and after defrosting operation, the exchange capability of heat enhancing of evaporator, therefore by after defrosting operation, electronics is swollen
The aperture regulation of swollen valve is extremely more than the second aperture of the first aperture, enabling when the exchange capability of heat of evaporator is stronger, increase
Cold medium flux in circulation loop, and then ensure that the unit of air conditioner heat pump system reaches optimum Working as early as possible, shorten
The duration of stable state is reached after defrosting operation, the comfortableness of unit and energy-saving is effectively increased, is conducive to lifting to use
The experience at family.
Wherein, pattern of the air conditioner heat pump system before defrost operation can be heating mode or heat aqueous mode.
As shown in Fig. 2 the control method of the air conditioner heat pump system of second embodiment of the invention, including above-mentioned
It is further comprising the steps of on the basis of step S10 and step S12：
Step S20, after by the aperture regulation of the electric expansion valve to second aperture and by scheduled duration,
By the aperture regulation of the electric expansion valve to target aperture.
Wherein it is possible to the practical capacity demand according to the air conditioner heat pump system determines the value of the target aperture.
In this embodiment, after by the aperture regulation of electric expansion valve to the second aperture, unit can reach as early as possible
Stable state, and by after by scheduled duration, by the aperture regulation of electric expansion valve to target aperture so that air conditioner heat
Pumping system can come to be adjusted the aperture of electric expansion valve according to the actual requirements after stable state is reached, to meet
The use demand of user.Wherein, scheduled duration should ensure that unit can reach stable state after defrost.
It is exemplified below several applicable scenes of the invention：
Scene one：
When air-conditioner runs in heating mode, if detect to need to carry out defrost, the electronic expansion before defrost is recorded
The aperture of valve, and enter defrost pattern operation.After air-conditioner defrost terminates, heating mode is continued to run with, in order to ensure to the greatest extent
Stable state is reached soon, a correction value X can be increased on the basis of the aperture of electric expansion valve before defrost swollen to adjust electronics
Swollen valve, i.e., be by the aperture regulation of electric expansion valve after defrost：Aperture+X before defrost, so may insure that air-conditioner is being changed
Enter stable state after frost as early as possible, lift the comfortableness and energy saving of unit.
Aperture and X sums before being defrost by the aperture regulation of electric expansion valve, and after a predetermined time, can be with
It is adjusted come the aperture to electric expansion valve according to the ability need that air-conditioner is actual, to meet the actually used need of user
Ask.
Scene one：
When Teat pump boiler is in water heating mode operation, if detect to need to carry out defrost, the electricity before defrost is recorded
The aperture of sub- expansion valve, and enter defrost pattern operation.After Teat pump boiler defrost terminates, water heating mould is continued to run with
Formula, in order to ensure to reach stable state as early as possible, can increase a correction value X on the basis of the aperture of electric expansion valve before defrost
To adjust electric expansion valve, i.e., it is by the aperture regulation of electric expansion valve after defrost：Aperture+X before defrost, so can be true
Thermal protection pump water heater enters stable state as early as possible after defrost, lifts the comfortableness and energy saving of unit.
Aperture and X sums before being defrost by the aperture regulation of electric expansion valve, and after a predetermined time, can be with
It is adjusted come the aperture to electric expansion valve according to the ability need that Teat pump boiler is actual, to meet the actually used of user
Demand.
Additionally, the control device of the air conditioner heat pump system the invention allows for following several embodiments, wherein, each reality
The air conditioner heat pump system in example is applied all comprising the electric expansion valve for adjusting cold medium flux, below to the sky in each embodiment
The structure of heat pump is adjusted to illustrate：
Embodiment one：
As shown in figure 3, the control device 300 of air conditioner heat pump system according to first embodiment of the invention, including：Note
Record unit 302 and control unit 304.
Wherein, recording unit 302 is used for when the air conditioner heat pump system needs defrost to run, and recorded electronic expansion valve exists
The first aperture before defrost operation；
Control unit 304 is used to, when the air conditioner heat pump system needs defrost to run, control the air conditioner heat pump system
Defrosting operation is performed, and after the air conditioner heat pump system completes defrosting operation, controls the air conditioner heat pump system to change
Mode operation before frost operation, and the aperture regulation of the electric expansion valve to second more than first aperture is opened
Degree.
Specifically, because before defrosting operation, the frost layer on evaporator is thicker, heat transfer effect is have impact on, and in defrost
After operation, the enhancing of the exchange capability of heat of evaporator, therefore by after defrosting operation, by the aperture regulation of electric expansion valve extremely
More than the second aperture of the first aperture, enabling when the exchange capability of heat of evaporator is stronger, the refrigerant in increase circulation loop
Flow, and then ensure that the unit of air conditioner heat pump system reaches optimum Working as early as possible, shortens and reach after defrosting operation
To the duration of stable state, the comfortableness of unit and energy-saving is effectively increased, be conducive to being lifted the experience of user.Its
In, pattern of the air conditioner heat pump system before defrost operation can be heating mode or heat aqueous mode.
Additionally, on the basis of embodiment one, control unit 304 can be also used for：In opening the electric expansion valve
After degree regulation is to second aperture and by scheduled duration, by the aperture regulation of the electric expansion valve to target aperture.
Embodiment two：
As shown in figure 4, the control device 400 of the air conditioner heat pump system of second embodiment of the invention, has
On the basis of recording unit 302 and control unit 304 shown in Fig. 3, also include：Processing unit 402.
Wherein, recording unit 302 is used to, when the air conditioner heat pump system needs defrost to run, record the electronic expansion
First aperture of the valve before defrost operation；
Control unit 304 is used to, when the air conditioner heat pump system needs defrost to run, control the air conditioner heat pump system
Defrosting operation is performed, and after the air conditioner heat pump system completes defrosting operation, controls the air conditioner heat pump system to change
Mode operation before frost operation, and the aperture regulation of the electric expansion valve to second more than first aperture is opened
Degree.
The second above-mentioned aperture is the first aperture and preset correction value sum.Processing unit 402 be used for according to it is following at least
The combination of one parameter or multiple parameters determines above-mentioned preset correction value：Environment temperature, unit load, the Guan Wen of heat exchanger,
Pressure value, temperature damping in defrost cycle, air conditioner heat pump system lead.
Additionally, on the basis of embodiment two, control unit 304 can be also used for：In opening the electric expansion valve
After degree regulation is to second aperture and by scheduled duration, by the aperture regulation of the electric expansion valve to target aperture.
Embodiment three：
As shown in figure 5, the control device 500 of the air conditioner heat pump system of the 3rd embodiment of the invention, has
On the basis of recording unit 302 and control unit 304 shown in Fig. 3, also include：Determining unit 502.
Wherein, recording unit 302 is used to, when the air conditioner heat pump system needs defrost to run, record the electronic expansion
First aperture of the valve before defrost operation.
Control unit 304 is used to, when the air conditioner heat pump system needs defrost to run, control the air conditioner heat pump system
Defrosting operation is performed, and after the air conditioner heat pump system completes defrosting operation, controls the air conditioner heat pump system to change
Mode operation before frost operation, and the aperture regulation of the electric expansion valve to second more than first aperture is opened
Degree.
Additionally, control unit 304 is additionally operable to：By the aperture regulation of electric expansion valve to second aperture and by pre-
After timing is long, by the aperture regulation of the electric expansion valve to target aperture.
Determining unit 502 is used to determine the target aperture according to the practical capacity demand of the air conditioner heat pump system
Value.
Specifically, after by the aperture regulation of electric expansion valve to the second aperture, unit can as early as possible reach stabilization shape
State, and by after by scheduled duration, by the aperture regulation of electric expansion valve to target aperture so that air conditioner heat pump system
After stable state is reached, can come to be adjusted the aperture of electric expansion valve according to the actual requirements, to meet user's
Use demand.Wherein, scheduled duration should ensure that unit can reach stable state after defrost.
Example IV：
As shown in fig. 6, the control device 600 of the air conditioner heat pump system of the 4th embodiment of the invention, has
On the basis of recording unit 302 and control unit 304 shown in Fig. 3, and processing unit 402 shown in Fig. 4, also include
Determining unit 502 shown in Fig. 5.
Wherein, recording unit 302 is used to, when the air conditioner heat pump system needs defrost to run, record the electronic expansion
First aperture of the valve before defrost operation；
Control unit 304 is used to, when the air conditioner heat pump system needs defrost to run, control the air conditioner heat pump system
Defrosting operation is performed, and after the air conditioner heat pump system completes defrosting operation, controls the air conditioner heat pump system to change
Mode operation before frost operation, and the aperture regulation of the electric expansion valve to second more than first aperture is opened
Degree.
The second above-mentioned aperture is the first aperture and preset correction value sum.Processing unit 402 be used for according to it is following at least
The combination of one parameter or multiple parameters determines above-mentioned preset correction value：Environment temperature, unit load, the Guan Wen of heat exchanger,
Pressure value, temperature damping in defrost cycle, air conditioner heat pump system lead.
Additionally, control unit 304 is additionally operable to：By the aperture regulation of electric expansion valve to second aperture and by pre-
After timing is long, by the aperture regulation of the electric expansion valve to target aperture.
Determining unit 502 is used to determine the target aperture according to the practical capacity demand of the air conditioner heat pump system
Value.
The invention allows for a kind of air conditioner heat pump system, including：Air-conditioning heat pump as shown in any figure in Fig. 3 to Fig. 6
The control device of system.
Wherein, the system that air conditioner heat pump system includes all use electronic expansion valve regulation cold medium fluxes, such as cold-warm type
Air-conditioner system, heat pump water heater system, heat pump air conditioner system etc..
Technical scheme is described in detail above in association with accompanying drawing, the present invention proposes a kind of new air-conditioning heat pump system
The control program of system, it is ensured that air conditioner heat pump system reaches optimum Working as early as possible after defrosting operation, effectively improves
The comfortableness of unit and energy-saving, is conducive to being lifted the experience of user.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. a kind of control method of air conditioner heat pump system, it is characterised in that include for adjusting in the air conditioner heat pump system
The electric expansion valve of cold medium flux, the control method includes：
When the air conditioner heat pump system needs defrost to run, the electric expansion valve first opening before defrost operation is recorded
Degree, and control the air conditioner heat pump system to perform defrosting operation；
After the air conditioner heat pump system completes defrosting operation, the mould before controlling the air conditioner heat pump system to be run with defrost
Formula is run, and by the aperture regulation of the electric expansion valve to the second aperture more than first aperture.
2. the control method of air conditioner heat pump system according to claim 1, it is characterised in that second aperture is described
First aperture and preset correction value sum.
3. the control method of air conditioner heat pump system according to claim 2, it is characterised in that according to following at least one ginseng
The combination of number or multiple parameters determines the preset correction value：
Pressure value, temperature damping in environment temperature, unit load, the Guan Wen of heat exchanger, defrost cycle, air conditioner heat pump system
Rate.
4. the control method of air conditioner heat pump system according to any one of claim 1 to 3, it is characterised in that also include：
It is after by the aperture regulation of the electric expansion valve to second aperture and by scheduled duration, the electronics is swollen
The aperture regulation of swollen valve is to target aperture.
5. the control method of air conditioner heat pump system according to claim 4, it is characterised in that according to the air-conditioning heat pump system
The practical capacity demand of system determines the value of the target aperture.
6. a kind of control device of air conditioner heat pump system, it is characterised in that include for adjusting in the air conditioner heat pump system
The electric expansion valve of cold medium flux, the control device includes：
Recording unit, transports for when the air conditioner heat pump system needs defrost to run, recording the electric expansion valve in defrost
The first aperture before row；
Control unit, for when the air conditioner heat pump system needs defrost to run, controlling the air conditioner heat pump system execution
Frost operation, and after the air conditioner heat pump system completes defrosting operation, control the air conditioner heat pump system to be run with defrost
Mode operation before, and by the aperture regulation of the electric expansion valve to the second aperture more than first aperture.
7. the control device of air conditioner heat pump system according to claim 6, it is characterised in that second aperture is described
First aperture and preset correction value sum.
8. the control device of air conditioner heat pump system according to claim 7, it is characterised in that also include：
Processing unit, for determining the preset correction value according to the combination of following at least one parameter or multiple parameters：Environment
Pressure value, temperature damping in temperature, unit load, the Guan Wen of heat exchanger, defrost cycle, air conditioner heat pump system lead.
9. the control device of the air conditioner heat pump system according to any one of claim 6 to 8, it is characterised in that the control
Unit processed is additionally operable to：
It is after by the aperture regulation of the electric expansion valve to second aperture and by scheduled duration, the electronics is swollen
The aperture regulation of swollen valve is to target aperture.
10. the control device of air conditioner heat pump system according to claim 9, it is characterised in that also include：
Determining unit, the value for determining the target aperture according to the practical capacity demand of the air conditioner heat pump system.
A kind of 11. air conditioner heat pump systems, it is characterised in that including：Air-conditioning heat pump as any one of claim 6 to 10
The control device of system.
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| CN201611024644.XA CN106766443A (en) | 2016-11-14 | 2016-11-14 | Air conditioner heat pump system and its control method and control device |
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| CN201611024644.XA CN106766443A (en) | 2016-11-14 | 2016-11-14 | Air conditioner heat pump system and its control method and control device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560072A (en) * | 2017-08-29 | 2018-01-09 | 广东美的制冷设备有限公司 | Multi-split air conditioner and its control method and storage medium |
| CN111473474A (en) * | 2020-04-24 | 2020-07-31 | 四川长虹空调有限公司 | R290 refrigerant heat pump air conditioner control method and device and air conditioner |
| CN111895654A (en) * | 2020-06-24 | 2020-11-06 | 青岛海尔新能源电器有限公司 | Control method and control device of heat pump water heater |
| CN112665119A (en) * | 2021-02-02 | 2021-04-16 | 南通华信中央空调有限公司 | Defrosting control method for direct expansion type air conditioner |
| CN113639409A (en) * | 2021-07-06 | 2021-11-12 | 青岛海尔空调电子有限公司 | Method and device for adjusting and controlling opening of electronic expansion valve of air conditioning system and medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467462A (en) * | 2002-07-03 | 2004-01-14 | Lg电子株式会社 | Defrosting apparatus of air conditioner and method thereof |
| WO2014174792A1 (en) * | 2013-04-22 | 2014-10-30 | 株式会社デンソー | Heat pump system |
| CN204006853U (en) * | 2014-07-24 | 2014-12-10 | 美的集团武汉制冷设备有限公司 | Air-conditioning system |
| CN204665584U (en) * | 2015-05-29 | 2015-09-23 | 广东美的制冷设备有限公司 | A kind of heat pump air conditioner defrosting device |
| CN105387560A (en) * | 2015-10-30 | 2016-03-09 | 株洲麦格米特电气有限责任公司 | Intelligent defrosting method for direct current frequency conversion air conditioner |
| CN105465970A (en) * | 2015-12-31 | 2016-04-06 | 广东美的制冷设备有限公司 | Disposal method and disposal device for greasy blockage of air conditioner system and air conditioner |
-
2016
- 2016-11-14 CN CN201611024644.XA patent/CN106766443A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467462A (en) * | 2002-07-03 | 2004-01-14 | Lg电子株式会社 | Defrosting apparatus of air conditioner and method thereof |
| WO2014174792A1 (en) * | 2013-04-22 | 2014-10-30 | 株式会社デンソー | Heat pump system |
| CN204006853U (en) * | 2014-07-24 | 2014-12-10 | 美的集团武汉制冷设备有限公司 | Air-conditioning system |
| CN204665584U (en) * | 2015-05-29 | 2015-09-23 | 广东美的制冷设备有限公司 | A kind of heat pump air conditioner defrosting device |
| CN105387560A (en) * | 2015-10-30 | 2016-03-09 | 株洲麦格米特电气有限责任公司 | Intelligent defrosting method for direct current frequency conversion air conditioner |
| CN105465970A (en) * | 2015-12-31 | 2016-04-06 | 广东美的制冷设备有限公司 | Disposal method and disposal device for greasy blockage of air conditioner system and air conditioner |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560072A (en) * | 2017-08-29 | 2018-01-09 | 广东美的制冷设备有限公司 | Multi-split air conditioner and its control method and storage medium |
| CN111473474A (en) * | 2020-04-24 | 2020-07-31 | 四川长虹空调有限公司 | R290 refrigerant heat pump air conditioner control method and device and air conditioner |
| CN111895654A (en) * | 2020-06-24 | 2020-11-06 | 青岛海尔新能源电器有限公司 | Control method and control device of heat pump water heater |
| CN112665119A (en) * | 2021-02-02 | 2021-04-16 | 南通华信中央空调有限公司 | Defrosting control method for direct expansion type air conditioner |
| CN113639409A (en) * | 2021-07-06 | 2021-11-12 | 青岛海尔空调电子有限公司 | Method and device for adjusting and controlling opening of electronic expansion valve of air conditioning system and medium |
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