CN109059360A - Control method, air-conditioning and the computer readable storage medium of electric expansion valve - Google Patents
Control method, air-conditioning and the computer readable storage medium of electric expansion valve Download PDFInfo
- Publication number
- CN109059360A CN109059360A CN201810640909.1A CN201810640909A CN109059360A CN 109059360 A CN109059360 A CN 109059360A CN 201810640909 A CN201810640909 A CN 201810640909A CN 109059360 A CN109059360 A CN 109059360A
- Authority
- CN
- China
- Prior art keywords
- aperture
- expansion valve
- electric expansion
- temperature
- indoor unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
Abstract
The invention discloses a kind of control method of electric expansion valve, air-conditioning and computer readable storage mediums, this method comprises: determining in current multiple indoor units when the outdoor unit is in heating operation mode with the presence or absence of the first indoor unit in off-mode；When there is the first indoor unit in off-mode in current multiple indoor units, by the aperture regulation of corresponding first electric expansion valve of first indoor unit to the first default aperture；Obtain the second temperature of the first temperature of the heat exchanger of first indoor unit and the heat exchanger of the second indoor unit；The aperture of first electric expansion valve is adjusted based on first temperature and the second temperature, it solves the problems, such as one to drag more air-conditioning heating efficiencies low in the prior art, the corresponding electronic expansion valve opening of indoor unit for rationally adjusting off-mode is realized, the efficiency of air-conditioning is improved.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of control methods of electric expansion valve, air-conditioning and computer
Readable storage medium storing program for executing.
Background technique
Multi-split air conditioner, outer machine can the operation of dragging multiple indoor unit, the installation for not only saving outdoor unit is empty
Between, and there is system to install simple, compact-sized, comfortable, each separately adjustable operation in room, it is different empty to be able to satisfy not chummery
The advantages that tune burden requirement, comprehensive coefficient of performance is high, energy saving.With the development of economy, one drag changeable frequency heat pump air conditioner in state
In interior family using more and more extensive.
One one driven multiple air conditioner group, each indoor unit have corresponding electric expansion valve.And in more indoor units only
A part starting operation, another part do not start operation i.e. in off-mode, and the indoor unit in off-mode changes
Hot device still can carry out heat transfer free convection with indoor unit environment, and gaseous high pressure refrigerant can gradually condense in heat exchanger, and
The method of the prior art is to keep corresponding electric expansion valve certain aperture constant.
But it if the aperture of the corresponding electric expansion valve of indoor unit in off-mode is larger, increases in shutdown
The circulation of the indoor unit gaseous coolant of state, so that the efficiency of the machine system of air-conditioning reduces；If electric expansion valve is opened
Degree is smaller, and the refrigerant in air-conditioning will be gradually accumulated in the indoor unit in off-mode, leads to the system to circulate in system
Cryogen lacks, so that the efficiency of the machine system of air-conditioning reduces.
Above content is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that above content is existing skill
Art.
Summary of the invention
The main purpose of the present invention is to provide a kind of control method of electric expansion valve, air-conditioning and computer-readable storages
Medium solves a technical problem for dragging more air-conditioning heating efficiencies low in the prior art, realizes and rationally adjusts off-mode
The corresponding electronic expansion valve opening of indoor unit avoids the occurrence of the excessive or too small situation of the aperture of the electric expansion valve, Neng Gouyou
The cold medium flux of the indoor unit of effect control off-mode, improves the comfort of indoor environment, prevents from being in shutdown when air-conditioning heating
Refrigerant accumulation in first indoor unit of state, and then improve the efficiency of air-conditioning.
To achieve the above object, the present invention provides a kind of control method of electric expansion valve, is applied to air-conditioning, the air-conditioning
Including an outdoor unit and multiple indoor units, the control method of the electric expansion valve the following steps are included:
When the outdoor unit is in heating operation mode, determine in current multiple indoor units with the presence or absence of in pass
First indoor unit of machine state；
When there is the first indoor unit in off-mode in current multiple indoor units, by first indoor unit
The aperture regulation of corresponding first electric expansion valve is to the first default aperture；
Obtain the second temperature of the first temperature of the heat exchanger of first indoor unit and the heat exchanger of the second indoor unit
Degree, wherein second indoor unit is other indoor units in multiple indoor units in addition to first indoor unit；
The aperture of first electric expansion valve is adjusted based on first temperature and the second temperature.
In one embodiment, described that first electric expansion valve is adjusted based on first temperature and the second temperature
Aperture the step of include:
It determines the corresponding mean temperature of the second temperature, and calculates between first temperature and the mean temperature
Temperature difference；
The aperture of first electric expansion valve is adjusted based on the temperature difference.
In one embodiment, the step of aperture that first electric expansion valve is adjusted based on temperature difference packet
It includes:
Determine the temperature difference whether less than the first preset temperature threshold；
When the temperature difference is less than the first preset temperature threshold, first electricity is increased based on the described second default aperture
The aperture of sub- expansion valve.
In one embodiment, when the temperature difference is less than the first preset temperature threshold, it is based on the described second default aperture
The step of increasing the aperture of first electric expansion valve include:
When the temperature difference is less than the first preset temperature threshold, in advance based on the described first default aperture and described second
If aperture calculates first object aperture；
Obtain the corresponding maximum opening of off-mode of first indoor unit；
When the first object aperture is less than the maximum opening, extremely by the aperture regulation of first electric expansion valve
The first object aperture；
When the first object aperture is greater than or equal to the maximum opening, by the aperture of first electric expansion valve
It is adjusted to the maximum opening.
In one embodiment, after the step of whether determination temperature difference is less than the first preset temperature threshold, also
Include:
When the temperature difference is greater than or equal to the first preset temperature threshold, determine whether be greater than second in the temperature difference
Preset temperature threshold；
When the temperature difference is greater than the second preset temperature threshold, aperture is preset based on the third and reduces first electricity
The aperture of sub- expansion valve.
In one embodiment, when the temperature difference is greater than the second preset temperature threshold, aperture is preset based on the third
The step of reducing the aperture of first electric expansion valve include:
It is pre- based on the described first default aperture and the third when the temperature difference is greater than the second preset temperature threshold
If aperture calculates the second target aperture；
Obtain the corresponding minimum aperture of off-mode of first indoor unit；
When the second target aperture is greater than or equal to the minimum aperture, by the aperture of first electric expansion valve
It is adjusted to the second target aperture；
When the first object aperture is less than the minimum aperture, extremely by the aperture regulation of first electric expansion valve
The minimum aperture.
In one embodiment, described corresponding with second temperature adjusting first indoor unit based on first temperature
Electric expansion valve aperture the step of after, the control method of the electric expansion valve further include:
When duration after the aperture for adjusting the corresponding electric expansion valve of first indoor unit reaches preset duration,
Continue to execute the second temperature of the heat exchanger of the first temperature and the second indoor unit that obtain the heat exchanger of first indoor unit
The step of.
In one embodiment, the control method of the electric expansion valve further include:
There are when the third indoor unit of operating status variation in detecting multiple indoor units, the third room is obtained
The corresponding 4th default aperture of the operating status of interior machine；
By the aperture regulation of corresponding second electric expansion valve of the third indoor unit to the 4th default aperture, and continue to hold
The step of in the current multiple indoor units of the row determination with the presence or absence of the first indoor unit in off-mode.
In addition, to achieve the above object, the present invention also provides a kind of air-conditioning, the air-conditioning include: memory, processor and
It is stored in the control program for the electric expansion valve that can be run on the memory and on the processor, the electric expansion valve
Control program the step of realizing the control method of electric expansion valve described in any of the above embodiments when being executed by the processor.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
The control program of electric expansion valve is stored on storage medium, it is real when the control program of the electric expansion valve is executed by processor
The step of control method of existing electric expansion valve described in any of the above embodiments.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1, due to using when one drags the first indoor unit existed in more air-conditionings in off-mode, by the first indoor unit
The aperture regulation of corresponding first electric expansion valve is to the first default aperture, so that the first electric expansion valve operates in one suitably
Aperture, and the second temperature of the heat exchanger according to the first temperature and the second indoor unit of the heat exchanger of the first indoor unit, again
The aperture of first electric expansion valve is adjusted, so, the aperture for efficiently solving electric expansion valve is excessive or too small and causes sky
The problem for adjusting heat efficiency low, so that the adjusting more adduction of the corresponding electronic expansion valve opening of the indoor unit of off-mode
Reason, improves the comfort of indoor environment, and then improve the efficiency of air-conditioning.
2, the mean temperature of second temperature is determined due to using, and calculates the temperature between the first temperature and mean temperature
Difference then adjusts the aperture of the first electric expansion valve, so that the aperture regulation of first electric expansion valve is more based on temperature difference
Rationally, so, efficiently solve the problems, such as that the aperture of electric expansion valve is excessive or too small and causes air-conditioning heating efficiency low, into one
Step improves the efficiency of air-conditioning.
3, due to using when temperature difference is less than the first preset temperature threshold, the first electricity is increased based on the second default aperture
The aperture of sub- expansion valve, so, efficiently solve the problems, such as that the aperture of electric expansion valve is too small and causes air-conditioning heating efficiency low,
It avoids the aperture of first electric expansion valve too small and is gradually accumulated the refrigerant in air-conditioning in the first indoor unit, further
Improve the efficiency of air-conditioning.
4, first object aperture is calculated according to the first default aperture and the second default aperture due to using, and according to the
The corresponding maximum opening of the off-mode of one the first indoor unit of target aperture adjusts the first electric expansion valve, so, effectively solve
The aperture of the first electric expansion valve is greater than the problem of maximum opening after adjusting, and then is avoiding the gradually heap of the refrigerant in air-conditioning
While product is in the first indoor unit, the circulation of the indoor unit gaseous coolant in off-mode is effectively reduced, to improve
The efficiency of air-conditioning.
5, it is greater than or equal to the first preset temperature threshold in temperature difference and greater than the second preset temperature threshold due to using
When, the aperture that aperture reduces the first electric expansion valve is preset based on third, so, efficiently solve the aperture mistake of electric expansion valve
The problem for causing air-conditioning heating efficiency low greatly, can be effectively reduced the circulation of the indoor unit gaseous coolant in off-mode
Amount, further improves the efficiency of air-conditioning.
6, it aperture is preset according to the first default aperture and third calculates the second target aperture due to using, and according to the
The off-mode of two the first indoor units of target aperture the first electric expansion valve of corresponding minimum aperture regulation, so, effectively solve
The aperture of first electric expansion valve is less than the problem of minimum aperture after adjusting, and then the room in off-mode is being effectively reduced
While the circulation of interior machine gaseous coolant, the refrigerant in air-conditioning is avoided to be gradually accumulated in the first indoor unit, to improve
The efficiency of air-conditioning.
7, due to using according to after the first temperature and the aperture of the second temperature the first electric expansion valve of adjusting
When duration reaches preset duration, continue the first temperature and second indoor unit that obtain the heat exchanger of the first indoor unit
The second temperature of heat exchanger, so, it solves the problems, such as the loop control of the first electric expansion valve after adjusting, realizes the
The loop control of one electronic expansion valve opening further improves the efficiency of air-conditioning.
8, the aperture of corresponding second electric expansion valve of third indoor unit of operating status variation is adjusted due to using, and
It continues to execute and determines in current multiple indoor units with the presence or absence of the first indoor unit in off-mode, so, effectively solve
The problem of adjusting of electric expansion valve terminates when the operating status of indoor unit of having determined changes, realizes electronic expansion in air-conditioning
The loop control of valve opening further improves the efficiency of air-conditioning.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of air-conditioning in hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of the control method first embodiment of electric expansion valve of the present invention；
Fig. 3 is that the control method second embodiment of electric expansion valve of the present invention is based on first temperature and second temperature
Degree adjusts the refinement flow diagram of the step of aperture of first electric expansion valve；
The control method 3rd embodiment of Fig. 4 electric expansion valve of the present invention is based on the temperature difference and adjusts first electronics
The refinement flow diagram of the step of aperture of expansion valve；
The control method fourth embodiment of Fig. 5 electric expansion valve of the present invention is in the temperature difference less than the first preset temperature threshold
When value, the refinement flow diagram for the step of aperture of first electric expansion valve is increased based on the described second default aperture；
The 5th embodiment of control method of Fig. 6 electric expansion valve of the present invention determines whether the temperature difference is default less than first
The refinement flow diagram of the step of temperature threshold；
The control method sixth embodiment of Fig. 7 invention electric expansion valve is greater than the second preset temperature threshold in the temperature difference
When, the refinement flow diagram for the step of aperture reduces the aperture of first electric expansion valve is preset based on the third；
The flow diagram of the 7th embodiment of control method of Fig. 8 electric expansion valve of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Temperature and in operating status indoor unit of the application according to the heat exchanger of the indoor unit in off-mode
Heat exchanger temperature, adjust the indoor unit in off-mode and correspond to the aperture of electric expansion valve, so that the room of off-mode
The adjusting of the corresponding electronic expansion valve opening of interior machine is more reasonable, and the aperture for avoiding the occurrence of the electric expansion valve is excessive or too small
Situation can effectively control the cold medium flux of the indoor unit of off-mode, improve the comfort of indoor environment, prevent air-conditioning heating
When refrigerant accumulation in the first indoor unit of off-mode, and then improve the efficiency of air-conditioning.
In order to better understand the above technical scheme, the exemplary reality of the disclosure is more fully described below with reference to accompanying drawings
Apply example.Although showing the exemplary embodiment of the disclosure in attached drawing, it being understood, however, that may be realized in various forms this public affairs
It opens and should not be limited by the embodiments set forth herein.It is to be able to thoroughly understand this on the contrary, providing these embodiments
It is open, and the scope of the present disclosure can be fully disclosed to those skilled in the art.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
As shown in Figure 1, Fig. 1 is the structural schematic diagram of air-conditioning in hardware running environment that the embodiment of the present invention is related to.
Air-conditioning of the embodiment of the present invention is as shown in Figure 1, the air-conditioning may include: processor 1001, such as CPU, network interface
1004, user interface 1003, memory 1005, communication bus 1002.Wherein, communication bus 1002 for realizing these components it
Between connection communication.User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard),
Optional user interface 1003 can also include standard wireline interface and wireless interface.Network interface 1004 optionally may include
Standard wireline interface and wireless interface (such as WI-FI interface).Memory 1005 can be high speed RAM memory, be also possible to steady
Fixed memory (non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of
The storage device of aforementioned processor 1001.
Optionally, air-conditioning can also include camera, RF (Radio Frequency, radio frequency) circuit, sensor, audio
Circuit, WiFi module etc..Wherein, sensor such as optical sensor, motion sensor and other sensors.Certainly, mobile
Air-conditioning can also configure the other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, no longer superfluous herein
It states.
It will be understood by those skilled in the art that air conditioner structure shown in Fig. 1 does not constitute the restriction to air-conditioning, can wrap
It includes than illustrating more or fewer components, perhaps combines certain components or different component layouts.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage medium
Believe module, the control program of Subscriber Interface Module SIM and electric expansion valve.
In air-conditioning shown in Fig. 1, network interface 1004 is mainly used for connecting background server, carries out with background server
Data communication；User interface 1003 is mainly used for connecting client (user terminal), carries out data communication with client；And processor
1001 can be used for calling the control program of the electric expansion valve stored in memory 1005.
In the present embodiment, air-conditioning includes: memory 1005, processor 1001 and is stored on the memory 1005 simultaneously
The control program for the electric expansion valve that can be run on the processor 1001, wherein processor 1001 calls memory 1005
When the control program of the electric expansion valve of middle storage, and execute the control method of electric expansion valve provided by the embodiments of the present application.
The present invention also provides a kind of control methods of electric expansion valve, are electric expansion valve of the present invention referring to Fig. 2, Fig. 2
The flow diagram of control method first embodiment.
In the present embodiment, the control method of the electric expansion valve be applied to air-conditioning, the air-conditioning include an outdoor unit and
Multiple indoor units, the i.e. air-conditioning drag more air-conditionings for one, wherein set respectively in the coolant loop between outdoor unit and each indoor unit
There is electric expansion valve, the electric expansion valve is to control the cold medium flux between each indoor unit and outdoor unit in refrigerant pipe.
When air-conditioning includes multiple indoor units, the indoor unit that usually will appear inactive operation in multiple indoor units is in
The indoor unit of off-mode, under normal circumstances, the aperture that the electric expansion valve of the indoor unit of inactive operation keeps certain are constant,
If the aperture of the electric expansion valve is larger, the circulation of the indoor unit gaseous coolant in off-mode is increased, gaseous state is cold
Matchmaker returns to the fluid reservoir of outdoor unit by indoor electronic expansion valve, increases the enthalpy of refrigerant in fluid reservoir, reduces in fluid reservoir
Heat absorption capacity after the throttling of refrigerant, so that the efficiency of the machine system of air-conditioning reduces；If the aperture of the electric expansion valve compared with
Small, then the refrigerant in air-conditioning will be gradually accumulated in the indoor unit in off-mode, lead to the refrigeration to circulate in system
Agent lacks, so that the efficiency of the machine system of air-conditioning reduces.Therefore, it is the efficiency for improving air-conditioning, proposes the application electronic expansion
The control method of valve.
The control method of the electric expansion valve includes:
Step S100, when the outdoor unit is in heating operation mode, determine in current multiple indoor units whether
In the presence of the first indoor unit for being in off-mode；
In the present embodiment, when the outdoor unit of air-conditioning is in heating operation mode, according to each indoor unit of the air-conditioning
Operation data, determine in current multiple indoor units with the presence or absence of the first indoor unit in off-mode.
Step S200 will be described when there is the first indoor unit in off-mode in current multiple indoor units
The aperture regulation of corresponding first electric expansion valve of first indoor unit is to the first default aperture；
Wherein, which can be rationally arranged, and preset and open for first in the aperture of the first electric expansion valve
When spending, the circulation of the first indoor unit gaseous coolant is moderate, and stackeding speed of the refrigerant in the first indoor unit is slower.
Step S300 obtains the first temperature of the heat exchanger of first indoor unit and the heat exchanger of the second indoor unit
Second temperature, wherein second indoor unit is other rooms in addition to first indoor unit in multiple indoor units
Interior machine；
In the present embodiment, after by the aperture regulation of the first electric expansion valve to the first default aperture, the first Room is obtained
The second temperature of the heat exchanger of the first temperature and the second indoor unit of the heat exchanger of interior machine.Wherein, which can be
Middle portion temperature, outlet temperature, inlet temperature of the heat exchanger of first indoor unit etc. specifically can be in the specific positions of heat exchanger
Temperature sensor is set, which may be provided at the middle part of heat exchanger, outlet, entrance, any positions such as on coil pipe, lead to
Cross the first temperature that the temperature sensor obtains heat exchanger.It should be noted that the detection mode of second temperature and the first temperature
It is similar, if being detected by temperature sensor, the setting position and the first Room of temperature sensor in the heat exchanger of the second indoor unit
The setting position of temperature sensor is identical in the heat exchanger of interior machine.
Step S400 adjusts the aperture of first electric expansion valve based on first temperature and the second temperature.
In the present embodiment, it when getting the first temperature and second temperature, is adjusted according to the first temperature and second temperature
The aperture of first electric expansion valve, second temperature includes the temperature of multiple indoor set heat exchangers under normal circumstances, can be calculated first
The mean temperature of second temperature adjusts opening for the first electric expansion valve according to the size relation of the mean temperature and the first temperature
Degree, and then can be closed according to the temperature of the indoor set heat exchanger of the temperature and operating status of the indoor set heat exchanger of off-mode
Reason adjust off-mode the corresponding electric expansion valve of indoor unit aperture, avoid the occurrence of the electric expansion valve aperture it is excessive or
Too small situation can effectively control the cold medium flux of the indoor unit of off-mode, improve the comfort of indoor environment, Jin Erti
The high efficiency of air-conditioning.
In other embodiments, opening for first electric expansion valve can be reduced when first temperature is greater than mean temperature
Degree, for example, the aperture of the first electric expansion valve is closed D1 step；First temperature be less than mean temperature when, increase this first
The aperture of electric expansion valve, for example, the aperture of the first electric expansion valve is opened D2 step, wherein D1 and D2 can be closed in advance
Reason setting.
It should be noted that can calculate the first temperature to improve the reasonability that the first electronic expansion valve opening is adjusted and put down
Temperature difference between equal temperature, the temperature difference are that the first temperature subtracts mean temperature, and it is swollen to adjust the first electronics according to the temperature difference
The aperture of swollen valve, for example, the aperture of first electric expansion valve is reduced, for example, by first when the temperature difference is greater than preset value
The aperture of electric expansion valve closes D3 step；When first temperature is less than mean temperature, increase opening for first electric expansion valve
Degree, for example, the aperture of the first electric expansion valve is opened D4 step, wherein the preset value can be rationally arranged, and D3 and D4 can be pre- advanced
Row rationally setting.
In other embodiments, it if the first indoor unit includes multiple indoor units, is based respectively on each in the first indoor unit
The temperature and second temperature of indoor set heat exchanger, adjust the aperture of the corresponding electric expansion valve of the outdoor unit.
Further, in one embodiment, after step S400, the control method of the electric expansion valve further include:
When duration after adjusting the aperture of the corresponding electric expansion valve of first indoor unit reaches preset duration, continues to execute and obtain
The step of taking the first temperature of the heat exchanger of first indoor unit and the second temperature of the heat exchanger of the second indoor unit.
In the present embodiment, after adjusting the aperture of the first electric expansion valve according to the first temperature and the second temperature
Duration when reaching preset duration, continue the first temperature and the second indoor unit that obtain the heat exchanger of the first indoor unit
Heat exchanger second temperature, and the first electric expansion valve is adjusted according to the first temperature and second temperature of current detection and being opened
Degree, with according to the temperature of the heat exchanger of the first indoor unit and the temperature of the heat exchanger of the second indoor unit to the first electric expansion valve
Aperture is adjusted in real time, is realized the loop control of the first electronic expansion valve opening, is avoided aperture the first electronics adjusted swollen
There is the larger or smaller situation of aperture again in swollen valve, effectively controls the cold medium flux of the indoor unit of off-mode, prevents air-conditioning
Refrigerant accumulation in the first indoor unit when heating in off-mode, further improves the efficiency of air-conditioning.
Wherein, preset duration can be rationally arranged, such as the preset duration may be configured as 5 minutes etc., and the present embodiment is not
Do concrete restriction.
The control method for the electric expansion valve that the present embodiment proposes exists by dragging in more air-conditionings one in off-mode
The first indoor unit when, by the aperture regulation of corresponding first electric expansion valve of the first indoor unit to the first default aperture so that
First electric expansion valve operates in a suitable aperture, and according to the first temperature of the heat exchanger of the first indoor unit and second
The second temperature of the heat exchanger of indoor unit adjusts the aperture of first electric expansion valve again, so that the indoor unit of off-mode
The adjusting of corresponding electronic expansion valve opening is more reasonable, avoids the occurrence of the excessive or too small feelings of the aperture of the electric expansion valve
Condition can effectively control the cold medium flux of the indoor unit of off-mode, the comfort of indoor environment be improved, when preventing air-conditioning heating
Refrigerant accumulation in the first indoor unit in off-mode, and then improve the efficiency of air-conditioning.
Based on first embodiment, the second embodiment of the control method of electric expansion valve of the present invention is proposed, reference Fig. 3,
In the present embodiment, step S400 includes:
Step S410 determines the corresponding mean temperature of the second temperature, and calculate first temperature with it is described average
Temperature difference between temperature；
Step S420 adjusts the aperture of first electric expansion valve based on the temperature difference.
In the present embodiment, under normal circumstances, one the indoor unit that multiple starting operations are stored in multisystem is dragged, in second Room
When interior machine includes multiple indoor units, second temperature includes the temperature of the heat exchanger of multiple indoor units, therefore, is getting the first temperature
When degree and second temperature, calculate the corresponding mean temperature of second temperature, i.e., it is tired by carrying out multiple temperature in second temperature
Quantity at adduction with second temperature obtains mean temperature, and the difference of the extreme first temperature and mean temperature i.e. temperature difference,
And the aperture of the first electric expansion valve is adjusted according to the temperature difference, it can more reasonably adjust opening for first electric expansion valve
Degree, can effectively control the cold medium flux of the indoor unit of off-mode, the first Room in off-mode when preventing air-conditioning heating
Refrigerant accumulation in interior machine, further improves the efficiency of air-conditioning.
Specifically, the aperture of first electric expansion valve can be reduced when the temperature difference is greater than preset value, for example, by the
The aperture of one electric expansion valve closes D3 step；When first temperature is less than mean temperature, increase first electric expansion valve
Aperture, for example, the aperture of the first electric expansion valve is opened D4 step.
Further, to make the aperture regulation of the first electric expansion valve more reasonable, it is corresponding that temperature difference can be preset
Preset temperature range, the temperature difference be greater than the preset temperature range maximum value when, reduce by first electric expansion valve
Aperture, for example, the aperture of the first electric expansion valve is closed D5 step；It is less than the minimum value of the preset temperature range in the temperature difference
When, increase the aperture of first electric expansion valve, for example, the aperture of the first electric expansion valve is opened D6 step；If at temperature difference
In the aperture in the preset temperature range, then keeping first electric expansion valve current, wherein D5 and D6 can be carried out rationally in advance
Setting.
The control method for the electric expansion valve that the present embodiment proposes by determining the mean temperature of second temperature, and calculates
Temperature difference between first temperature and mean temperature then adjusts the aperture of the first electric expansion valve based on temperature difference, so that should
The aperture regulation of first electric expansion valve is more reasonable, and then effectively controls the cold medium flux of the indoor unit of off-mode, prevents
Refrigerant accumulation in the first indoor unit when air-conditioning heating in off-mode, further improves the efficiency of air-conditioning.
Based on second embodiment, the 3rd embodiment of the control method of electric expansion valve of the present invention is proposed, referring to Fig. 4 at this
In embodiment, step S420 includes:
Whether step S421 determines the temperature difference less than the first preset temperature threshold；
Step S422 is increased when the temperature difference is less than the first preset temperature threshold based on the described second default aperture
The aperture of first electric expansion valve.
In the present embodiment, preset temperature range can be preset, when getting temperature difference, whether determine the temperature difference
Less than the first preset temperature threshold i.e. minimum value of the preset temperature range, if the temperature difference is less than the first preset temperature threshold
Value is then increased the aperture of the first electric expansion valve based on the second default aperture, such as the aperture for opening the first electric expansion valve is beaten
Open P1 step, wherein P1 step is the second default aperture, which can be rationally arranged.Specifically, pre- by second
If the aperture of the sum of aperture and the first default aperture as the first electric expansion valve, opened if the second default aperture is preset with first
The sum of degree is greater than maximum opening when first indoor unit is in off-mode, then using the maximum opening as the first electronic expansion
The aperture of valve.
Wherein, which can be rationally arranged, for example, first preset temperature threshold is settable
It is -2 DEG C.
The present embodiment propose electric expansion valve control method, by temperature difference less than the first preset temperature threshold
When, increase the aperture of the first electric expansion valve based on the second default aperture, realizes true further according to the first temperature and second temperature
When the current aperture of fixed first electric expansion valve is smaller, increases the aperture of the first electric expansion valve, avoid first electronic expansion
The aperture of valve is too small and is gradually accumulated the refrigerant in air-conditioning in the first indoor unit, further improves the efficiency of air-conditioning.
Based on 3rd embodiment, the fourth embodiment of the control method of electric expansion valve of the present invention is proposed, referring to Fig. 5 at this
In embodiment, step S422 is included:
Step S4221, when the temperature difference is less than the first preset temperature threshold, based on the described first default aperture and
The second default aperture calculates first object aperture；
Wherein, first object aperture is the sum of the first default aperture and the second default aperture.
Step S4222 obtains the corresponding maximum opening of off-mode of first indoor unit；
Step S4223, when the first object aperture is less than the maximum opening, by first electric expansion valve
Aperture regulation is to the first object aperture；
Step S4224, it is when the first object aperture is greater than or equal to the maximum opening, first electronics is swollen
The aperture regulation of swollen valve is to the maximum opening.
Under normal circumstances, when indoor unit is in off-mode, the corresponding maximum opening of the off-mode can be provided with.
In the present embodiment, when getting first object aperture and the maximum opening, determine that the first object aperture is
It is no to be less than the maximum opening, if first object aperture is less than the maximum opening, extremely by the aperture regulation of the first electric expansion valve
The first object aperture, if first object aperture is greater than or equal to the maximum opening, by the aperture tune of the first electric expansion valve
Section to the maximum opening, and then can be avoided adjust after the aperture of the first electric expansion valve be greater than maximum opening, can avoid
While refrigerant in air-conditioning is gradually accumulated in the first indoor unit, it is cold that the indoor unit gaseous state in off-mode is effectively reduced
The circulation of matchmaker, to improve the efficiency of air-conditioning.
The control method for the electric expansion valve that the present embodiment proposes, by being opened according to the first default aperture and second are default
Degree calculates first object aperture, and adjusts the according to the corresponding maximum opening of the off-mode of the first indoor unit of first object aperture
One electric expansion valve, the aperture that can be avoided the first electric expansion valve after adjusting are greater than maximum opening, are avoiding the system in air-conditioning
While cryogen is gradually accumulated in the first indoor unit, the circulation of the indoor unit gaseous coolant in off-mode is effectively reduced
Amount, to improve the efficiency of air-conditioning.
Based on 3rd embodiment, the 5th embodiment of the control method of electric expansion valve of the present invention is proposed, referring to Fig. 6 at this
In embodiment, after step S421, further includes:
Step S423, when the temperature difference is greater than or equal to the first preset temperature threshold, determining in the temperature difference is
It is no to be greater than the second preset temperature threshold, wherein the second preset temperature threshold is greater than first preset temperature threshold；
Step S424 presets aperture based on the third and reduces when the temperature difference is greater than the second preset temperature threshold
The aperture of first electric expansion valve.
In the present embodiment, if the temperature difference is greater than or equal to first preset temperature threshold, it is determined that whether temperature difference
It is based on greater than the second preset temperature threshold, that is, preset temperature range maximum value if temperature difference is greater than the second preset temperature threshold
Third presets the aperture of smaller first electric expansion valve of aperture, such as the aperture for opening the first electric expansion valve is closed P2 step,
In, P2 step is that the third presets aperture, which, which presets aperture, to be rationally arranged.Specifically, by the first default aperture with
Third presets aperture of the difference of aperture as the first electric expansion valve, if the difference that the first default aperture and third preset aperture is small
Minimum aperture when first indoor unit is in off-mode, then using minimum aperture the opening as the first electric expansion valve
Degree.
Wherein, which can be rationally arranged, and can be correspondingly arranged the first preset temperature threshold with
Second preset temperature threshold, for example, first preset temperature threshold is set as -2 DEG C, which is set as 2
℃。
The control method for the electric expansion valve that the present embodiment proposes, by being greater than or equal to the first preset temperature in temperature difference
Threshold value and be greater than the second preset temperature threshold when, based on third preset aperture reduce the first electric expansion valve aperture, realize
When determining that the current aperture of the first electric expansion valve is larger further according to the first temperature and second temperature, reduce the first electric expansion valve
Aperture, the circulation of the indoor unit gaseous coolant in off-mode is effectively reduced, further improves the efficiency of air-conditioning.
Based on the 5th embodiment, the sixth embodiment of the control method of electric expansion valve of the present invention is proposed, referring to Fig. 7 at this
In embodiment, step S424 includes:
Step S4241, when the temperature difference is greater than the second preset temperature threshold, based on the described first default aperture and
The third presets aperture and calculates the second target aperture；
Wherein, the second target aperture is the difference that the first default aperture and third preset aperture.
Step S4242 obtains the corresponding minimum aperture of off-mode of first indoor unit；
Step S4243, it is when the second target aperture is greater than or equal to the minimum aperture, first electronics is swollen
The aperture regulation of swollen valve is to the second target aperture；
Step S4244, when the first object aperture is less than the minimum aperture, by first electric expansion valve
Aperture regulation is to the minimum aperture.
Under normal circumstances, when indoor unit is in off-mode, the corresponding minimum aperture of the off-mode can be provided with.
In the present embodiment, when getting the second target aperture and the minimum aperture, determine that the second target aperture is
It is no to be less than the minimum aperture, if the second target aperture is less than the minimum aperture, extremely by the aperture regulation of the first electric expansion valve
The minimum aperture, if the second target aperture is greater than or equal to the minimum aperture, extremely by the aperture regulation of the first electric expansion valve
The second target aperture, so can be avoided adjust after the aperture of the first electric expansion valve be less than minimum aperture, can be effective
While reducing the circulation of the indoor unit gaseous coolant in off-mode, the refrigerant in air-conditioning is avoided to be gradually accumulated the
In one indoor unit, to improve the efficiency of air-conditioning.
The control method for the electric expansion valve that the present embodiment proposes, by being opened according to the first default aperture and third are default
Degree calculates the second target aperture, and according to the corresponding minimum aperture regulation of the off-mode of second the first indoor unit of target aperture the
One electric expansion valve can avoid sky while the circulation of the indoor unit gaseous coolant in off-mode is effectively reduced
Refrigerant in tune is gradually accumulated in the first indoor unit, to improve the efficiency of air-conditioning.
Based on the above embodiment, the 7th embodiment for proposing the control method of electric expansion valve of the present invention, referring to Fig. 8 at this
In embodiment, the control method of the electric expansion valve further include:
Step S500 is obtained there are when the third indoor unit of operating status variation in detecting multiple indoor units
The corresponding 4th default aperture of the operating status of the third indoor unit；
Wherein, operating status variation refers to that indoor unit is entered operating status by off-mode or entered by operating status
Off-mode.
The aperture regulation of corresponding second electric expansion valve of the third indoor unit to the 4th is preset and is opened by step S600
Degree, and continue to execute the step in the current multiple indoor units of the determination with the presence or absence of the first indoor unit in off-mode
Suddenly.
Each outdoor unit of air-conditioning corresponds to the default aperture and shutdown of electric expansion valve when being equipped with into operating status
The default aperture of electric expansion valve is corresponded to when state, the 4th default aperture includes corresponding to electric expansion valve when entering operating status
Default aperture the default aperture of electric expansion valve is corresponded to when entering operating status, the 4th default aperture can rationally be set
It sets.
In the present embodiment, opening by adjusting corresponding second electric expansion valve of third indoor unit of operating status variation
Degree, and continue to execute and determine in current multiple indoor units with the presence or absence of the first indoor unit in off-mode, with basis
In air-conditioning after operating status variation in each indoor unit, the first temperature of the heat exchanger of the indoor unit in off-mode, with
And the second temperature of the heat exchanger of indoor unit in operating status, adjust the corresponding electronic expansion of indoor unit of off-mode
Valve realizes the loop control to electronic expansion valve of indoor unit aperture each in air-conditioning, in the air-conditioning after avoiding operating status from changing
Electric expansion valve occur the larger or smaller situation of aperture again, effectively control off-mode indoor unit cold medium flux,
It prevents refrigerant when air-conditioning heating in the first indoor unit of off-mode from accumulating, further improves the efficiency of air-conditioning.
The control method for the electric expansion valve that the present embodiment proposes, by adjusting the third indoor unit pair of operating status variation
The aperture for the second electric expansion valve answered, and continue to execute and determine in current multiple indoor units with the presence or absence of in shutdown shape
First indoor unit of state, can be avoided operating status variation after air-conditioning in electric expansion valve occur again aperture it is larger or compared with
Small situation effectively controls the cold medium flux of the indoor unit of off-mode, when preventing air-conditioning heating in off-mode first
Refrigerant accumulation in indoor unit, further improves the efficiency of air-conditioning.
In addition, the embodiment of the present invention also proposes a kind of computer readable storage medium, the computer readable storage medium
On be stored with the control program of electric expansion valve, the control program of the electric expansion valve realizes above-mentioned electricity when being executed by processor
The step of control method of sub- expansion valve.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The present invention can be by means of including several different components
It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled
Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not
Indicate any sequence.These words can be construed to title.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of control method of electric expansion valve, which is characterized in that be applied to air-conditioning, the air-conditioning includes an outdoor unit and more
A indoor unit, the control method of the electric expansion valve the following steps are included:
When the outdoor unit is in heating operation mode, determine in current multiple indoor units with the presence or absence of in shutdown shape
First indoor unit of state；
It is when there is the first indoor unit in off-mode in current multiple indoor units, first indoor unit is corresponding
The first electric expansion valve aperture regulation to the first default aperture；
The second temperature of the first temperature of the heat exchanger of first indoor unit and the heat exchanger of the second indoor unit is obtained,
In, second indoor unit is other indoor units in multiple indoor units in addition to first indoor unit；
The aperture of first electric expansion valve is adjusted based on first temperature and the second temperature.
2. the control method of electric expansion valve as described in claim 1, which is characterized in that it is described based on first temperature with
The second temperature adjusts the step of aperture of first electric expansion valve and includes:
It determines the corresponding mean temperature of the second temperature, and calculates the temperature between first temperature and the mean temperature
Difference；
The aperture of first electric expansion valve is adjusted based on the temperature difference.
3. the control method of electric expansion valve as claimed in claim 2, which is characterized in that described to be adjusted based on the temperature difference
The step of aperture of first electric expansion valve includes:
Determine the temperature difference whether less than the first preset temperature threshold；
When the temperature difference is less than the first preset temperature threshold, it is swollen that first electronics is increased based on the described second default aperture
The aperture of swollen valve.
4. the control method of electric expansion valve as claimed in claim 3, which is characterized in that pre- less than first in the temperature difference
If when temperature threshold, the step of increasing the aperture of first electric expansion valve based on the described second default aperture, includes:
When the temperature difference is less than the first preset temperature threshold, is preset and opened based on the described first default aperture and described second
Degree calculates first object aperture；
Obtain the corresponding maximum opening of off-mode of first indoor unit；
When the first object aperture is less than the maximum opening, by the aperture regulation of first electric expansion valve to described
First object aperture；
When the first object aperture is greater than or equal to the maximum opening, by the aperture regulation of first electric expansion valve
To the maximum opening.
5. the control method of electric expansion valve as claimed in claim 3, which is characterized in that whether the determination temperature difference
After the step of less than the first preset temperature threshold, further includes:
When the temperature difference is greater than or equal to the first preset temperature threshold, determine preset whether the temperature difference is greater than second
Temperature threshold；
When the temperature difference is greater than the second preset temperature threshold, it is swollen that aperture reduction first electronics is preset based on the third
The aperture of swollen valve.
6. the control method of electric expansion valve as described in claim 1, which is characterized in that it is pre- to be greater than second in the temperature difference
If when temperature threshold, presetting the step of aperture reduces the aperture of first electric expansion valve based on the third includes:
When the temperature difference is greater than the second preset temperature threshold, is preset and opened based on the described first default aperture and the third
Degree calculates the second target aperture；
Obtain the corresponding minimum aperture of off-mode of first indoor unit；
When the second target aperture is greater than or equal to the minimum aperture, by the aperture regulation of first electric expansion valve
To the second target aperture；
When the first object aperture is less than the minimum aperture, by the aperture regulation of first electric expansion valve to described
Minimum aperture.
7. the control method of electric expansion valve as described in claim 1, which is characterized in that it is described based on first temperature with
After the second temperature adjusts the step of aperture of the corresponding electric expansion valve of first indoor unit, the electric expansion valve
Control method further include:
When duration after the aperture for adjusting the corresponding electric expansion valve of first indoor unit reaches preset duration, continue
Execute the step of the second temperature of the heat exchanger of the first temperature and the second indoor unit that obtain the heat exchanger of first indoor unit
Suddenly.
8. the control method of the electric expansion valve as described in any one of claims 1 to 7, which is characterized in that the electronics is swollen
The control method of swollen valve further include:
There are when the third indoor unit of operating status variation in detecting multiple indoor units, the third indoor unit is obtained
The corresponding 4th default aperture of operating status；
By the aperture regulation of corresponding second electric expansion valve of the third indoor unit to the 4th default aperture, and continue to execute institute
State the step of determining in current multiple indoor units with the presence or absence of the first indoor unit in off-mode.
9. a kind of air-conditioning, which is characterized in that the air-conditioning includes: memory, processor and is stored on the memory and can
The control program of the electric expansion valve run on the processor, the control program of the electric expansion valve is by the processor
The step of control method such as electric expansion valve described in any item of the claim 1 to 8 is realized when execution.
10. a kind of computer readable storage medium, which is characterized in that it is swollen to be stored with electronics on the computer readable storage medium
The control program of swollen valve is realized when the control program of the electric expansion valve is executed by processor as any in claim 1 to 8
The step of control method of electric expansion valve described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640909.1A CN109059360A (en) | 2018-06-19 | 2018-06-19 | Control method, air-conditioning and the computer readable storage medium of electric expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810640909.1A CN109059360A (en) | 2018-06-19 | 2018-06-19 | Control method, air-conditioning and the computer readable storage medium of electric expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109059360A true CN109059360A (en) | 2018-12-21 |
Family
ID=64821192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810640909.1A Pending CN109059360A (en) | 2018-06-19 | 2018-06-19 | Control method, air-conditioning and the computer readable storage medium of electric expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109059360A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094858A (en) * | 2019-04-11 | 2019-08-06 | 海信（山东）空调有限公司 | Control method, device, computer product and the air-conditioning of air conditioner electronic expansion valve |
| CN110500702A (en) * | 2019-08-26 | 2019-11-26 | 海信（山东）空调有限公司 | Air conditioner, indoor unit electric expansion valve control method and device |
| CN110567128A (en) * | 2019-09-23 | 2019-12-13 | 宁波奥克斯电气股份有限公司 | multi-split air conditioner and control method thereof |
| CN111473462A (en) * | 2020-04-23 | 2020-07-31 | 广东美的制冷设备有限公司 | Error correction control method of air conditioning system and air conditioning system |
| CN111520875A (en) * | 2020-03-24 | 2020-08-11 | 青岛海尔空调电子有限公司 | Control method and system for multi-split air conditioner |
| CN112665254A (en) * | 2020-12-28 | 2021-04-16 | 江苏拓米洛环境试验设备有限公司 | Control method and device for multi-chamber electronic expansion valve of refrigeration system and refrigeration system |
| CN114738829A (en) * | 2022-05-12 | 2022-07-12 | 海信空调有限公司 | Air conditioner and control method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08240354A (en) * | 1995-03-07 | 1996-09-17 | Matsushita Seiko Co Ltd | Electrical expansion valve-controlling device for branching device |
| KR20090067347A (en) * | 2007-12-21 | 2009-06-25 | 엘지전자 주식회사 | A method of controling linear expansion valve for air conditioner |
| JP2017150678A (en) * | 2016-02-22 | 2017-08-31 | 株式会社富士通ゼネラル | Air conditioner |
| CN107144054A (en) * | 2017-04-14 | 2017-09-08 | 珠海格力电器股份有限公司 | The aperture control method and device of electric expansion valve |
| CN108006909A (en) * | 2017-11-21 | 2018-05-08 | 广东美的暖通设备有限公司 | Control method for electronic expansion valve under multi-line system and its heating mode |
-
2018
- 2018-06-19 CN CN201810640909.1A patent/CN109059360A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08240354A (en) * | 1995-03-07 | 1996-09-17 | Matsushita Seiko Co Ltd | Electrical expansion valve-controlling device for branching device |
| KR20090067347A (en) * | 2007-12-21 | 2009-06-25 | 엘지전자 주식회사 | A method of controling linear expansion valve for air conditioner |
| JP2017150678A (en) * | 2016-02-22 | 2017-08-31 | 株式会社富士通ゼネラル | Air conditioner |
| CN107144054A (en) * | 2017-04-14 | 2017-09-08 | 珠海格力电器股份有限公司 | The aperture control method and device of electric expansion valve |
| CN108006909A (en) * | 2017-11-21 | 2018-05-08 | 广东美的暖通设备有限公司 | Control method for electronic expansion valve under multi-line system and its heating mode |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094858A (en) * | 2019-04-11 | 2019-08-06 | 海信（山东）空调有限公司 | Control method, device, computer product and the air-conditioning of air conditioner electronic expansion valve |
| CN110094858B (en) * | 2019-04-11 | 2021-04-23 | 海信（山东）空调有限公司 | Control method and device of air conditioner electronic expansion valve, computer product and air conditioner |
| CN110500702A (en) * | 2019-08-26 | 2019-11-26 | 海信（山东）空调有限公司 | Air conditioner, indoor unit electric expansion valve control method and device |
| CN110567128A (en) * | 2019-09-23 | 2019-12-13 | 宁波奥克斯电气股份有限公司 | multi-split air conditioner and control method thereof |
| CN111520875A (en) * | 2020-03-24 | 2020-08-11 | 青岛海尔空调电子有限公司 | Control method and system for multi-split air conditioner |
| CN111520875B (en) * | 2020-03-24 | 2022-11-18 | 青岛海尔空调电子有限公司 | Control method and system for multi-split air conditioner |
| CN111473462A (en) * | 2020-04-23 | 2020-07-31 | 广东美的制冷设备有限公司 | Error correction control method of air conditioning system and air conditioning system |
| CN112665254A (en) * | 2020-12-28 | 2021-04-16 | 江苏拓米洛环境试验设备有限公司 | Control method and device for multi-chamber electronic expansion valve of refrigeration system and refrigeration system |
| CN112665254B (en) * | 2020-12-28 | 2022-03-15 | 江苏拓米洛环境试验设备有限公司 | Control method and device for multi-chamber electronic expansion valve of refrigeration system and refrigeration system |
| CN114738829A (en) * | 2022-05-12 | 2022-07-12 | 海信空调有限公司 | Air conditioner and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109059360A (en) | Control method, air-conditioning and the computer readable storage medium of electric expansion valve | |
| CN109059228A (en) | One drags control method, device and the computer readable storage medium of more air-conditionings | |
| KR101676921B1 (en) | An air conditioning system and a method for controlling the same | |
| CN108151250B (en) | Variable frequency air conditioner control method and device | |
| CN110094857A (en) | Control method, device, computer product and the air-conditioning of air conditioner electronic expansion valve | |
| CA3089968C (en) | Peak demand response operation of hvac systems | |
| CN108800479A (en) | One drags control method, device and the computer readable storage medium of more air-conditionings | |
| CN110057025A (en) | Control method, device, computer product and the air-conditioning of air conditioner electronic expansion valve | |
| CN107525217B (en) | Air conditioner control method and device and air conditioner | |
| CN109780673B (en) | Control method of multi-split air conditioner, multi-split air conditioner and storage medium | |
| CN108709297A (en) | Air conditioning control method and control device | |
| CN110030676A (en) | Air conditioning control method, device and computer readable storage medium | |
| US20210010728A1 (en) | Method and apparatus for charge compensator reheat valve | |
| CN109059173A (en) | Air conditioner and its defrosting control method, computer readable storage medium | |
| CN109297152A (en) | Air conditioner controlling device, air conditioner and its control method and readable storage medium storing program for executing | |
| US10989456B2 (en) | Method and apparatus for common manifold charge compensator | |
| CN109323414A (en) | Air conditioner and its control method and control device and electronic equipment | |
| CN114440414A (en) | Multi-split air conditioner, control method thereof and computer storage medium | |
| WO2021223612A1 (en) | Vrf air-conditioning system and control method therefor, and control device | |
| WO2023202156A1 (en) | Air conditioner, air conditioner control method, electronic device and storage medium | |
| CN107490115A (en) | Air-conditioning system, multi-split air conditioner and its control method and storage medium | |
| US11788739B2 (en) | Method and apparatus for hybrid dehumidification | |
| CN109084427A (en) | Control method, device, air conditioner and the computer readable storage medium of air conditioner | |
| CN112781186B (en) | Air conditioner control method, air conditioner and readable storage medium | |
| CN112000023A (en) | Method and device for controlling equipment linkage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |