CN110186153A - Air conditioner and its progress control method, operating control device and computer readable storage medium - Google Patents
Air conditioner and its progress control method, operating control device and computer readable storage medium Download PDFInfo
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- CN110186153A CN110186153A CN201910626526.3A CN201910626526A CN110186153A CN 110186153 A CN110186153 A CN 110186153A CN 201910626526 A CN201910626526 A CN 201910626526A CN 110186153 A CN110186153 A CN 110186153A
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- China
- Prior art keywords
- air conditioner
- defrost
- temperature
- condition
- heat exchanger
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Classifications
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- 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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- 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 present invention provides a kind of air conditioner and its progress control method, operating control device and computer readable storage medium, progress control method includes: to judge whether to meet the condition for entering defrost；Determine to meet the condition for entering defrost, control first throttle element is closed, and is controlled the second restricting element and opened.Progress control method provided by the invention, when determining to meet the condition for entering defrost, it controls first throttle element to close, the second restricting element of control is opened, and such refrigerant flows through outdoor heat exchanger, the second restricting element and gas-liquid separator, and it is not passed through indoor heat exchanger, on the one hand the flow path for shortening refrigerant, can shorten the defrost time, reduce the defrost energy consumption of air conditioner, on the other hand it can reduce fluctuations in indoor temperature, promote the comfort that user uses.
Description
Technical field
The present invention relates to household control technology fields, progress control method, one kind in particular to a kind of air conditioner
The operating control device of air conditioner, a kind of air conditioner and a kind of computer readable storage medium.
Background technique
With the development of air-conditioning technical, requirement of the consumer to product comfort is higher and higher, in winter, cold-warm type air-conditioning
The phenomenon that outdoor heat exchanger of device will appear frosting.
The defrost technology of heating and air conditioner is to work as outdoor heat exchanger indoors after heating after a period of time mostly at present
Frosting to a certain extent when, air conditioner is switched to refrigeration cycle, i.e., outdoor heat exchanger is as condenser, indoor heat exchanger
As evaporator carry out defrost, this defrosting operation method leads to defrost process, and time-consuming, and during defrost room temperature by
Be affected, temperature fluctuation degree it is big.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, it is an object of the present invention to provide a kind of progress control methods of air conditioner.
It is another object of the present invention to provide a kind of operating control devices of air conditioner.
It is another object of the present invention to provide a kind of air conditioners.
It is another object of the present invention to provide a kind of computer readable storage mediums.
To achieve the above object, the technical solution of the first aspect of the invention provides a kind of operation control of air conditioner
Method, the air conditioner include indoor heat exchanger, outdoor heat exchanger, first throttle element, the second restricting element and gas-liquid separation
Device, is in series with first throttle element between the indoor heat exchanger and the first interface of the gas-liquid separator, the outdoor is changed
The second restricting element is in series between hot device and the second interface of the gas-liquid separator, the progress control method includes: to sentence
The disconnected condition whether met into defrost；Determine to meet the condition for entering defrost, controls the first throttle element and close, and control
Second restricting element is made to open.
The progress control method that above-mentioned technical proposal of the present invention provides, when determining to meet the condition for entering defrost, control
First throttle element is closed, and the second restricting element of control is opened, and it is gentle that such refrigerant flows through outdoor heat exchanger, the second restricting element
Liquid/gas separator, and it is not passed through indoor heat exchanger, the flow path of refrigerant is on the one hand shortened, the defrost time can be shortened, reduces air-conditioning
On the other hand the defrost energy consumption of device can reduce fluctuations in indoor temperature, promote the comfort that user uses.
In addition, the progress control method that above-mentioned technical proposal of the present invention provides also has following additional technical feature:
A wherein embodiment, it is described to judge whether to meet the condition for entering defrost, it specifically includes: detecting the air conditioner
System parameter；Judge whether the system parameter reaches the parameter and standard of default defrost；If so, meeting the item for entering defrost
Part.
For how to judge whether air conditioner meets the condition into defrost, can according to the system parameter of air conditioner come into
Row judgement.When system parameter reaches the parameter and standard of default defrost, determine meet enter defrost condition, control air conditioner into
Enter defrost pattern, control first throttle element is closed, and the second restricting element of control is opened.
A wherein embodiment, the system parameter include the temperature of the coil pipe of the outdoor heat exchanger, the operating condition of gas returning port
At least one of parameter, heating operation duration.
The duty parameter of gas returning port can be the suction temperature (muffler temperature) or back pressure at gas returning port.Except can be with
Judged whether according at least one of the temperature of the coil pipe of outdoor heat exchanger device, the duty parameter of gas returning port, heating duration full
Foot enters outside the condition of defrost, can also be judged whether to meet the condition for entering defrost according to other parameters, such as according to outdoor
Environment temperature judges whether to meet the condition for entering defrost.
It can be by the way that temperature be arranged at the coil pipe of outdoor heat exchanger for the acquisition of the temperature of the coil pipe of outdoor heat exchanger
Sensor, can be by being arranged temperature sensor, acquisition for back pressure for the acquisition of suction temperature at gas returning port
It can be by the way that pressure sensor be arranged at gas returning port.
A wherein embodiment, the air conditioner include compressor and commutation component, and the compressor includes the first gas returning port
With the second gas returning port, first gas returning port is connected with the commutation component, second gas returning port and the gas-liquid separation
The third interface of device is connected, and the duty parameter of the gas returning port is the duty parameter of first gas returning port.
There is the compressor of the first gas returning port and the second gas returning port, the third interface of gas-liquid separator and compression by being arranged
Second gas returning port of machine is connected, and carries out gas-liquid separation to refrigerant using gas-liquid separator, isolates under refrigeration and heating mode
Gaseous coolant be injected directly into the second gas returning port of compressor, to improve overall performance.
Compressor can be air injection enthalpy-increasing compressor or separate compressors.
The duty parameter of first gas returning port includes the suction temperature or back pressure at the first gas returning port, due to heating mode
Lower refrigerant is after indoor heat exchanger, first throttle element, and at least partly gaseous coolant is flowed back to through the third interface of gas-liquid separator
Second gas returning port, at least partly liquid refrigerants first interface and second interface, the second restricting element, outdoor through gas-liquid separator
Heat exchanger, commutation component flow back to the first gas returning port, and therefore, the duty parameter of the first gas returning port is able to reflect the temperature of outdoor heat exchanger
Degree, to judge whether that satisfaction is more suitable into the condition of defrost according to the duty parameter of the first gas returning port.
A wherein embodiment, it is described to judge whether to meet the condition for entering defrost, it specifically includes: detecting the outdoor heat exchange
The temperature of the coil pipe of device；The temperature of the coil pipe and the difference of default coil temperature are greater than the default coil pipe temperature difference, then meet
Into the condition of defrost.
When the difference of the temperature of coil pipe and default coil temperature is greater than the default coil pipe temperature difference, judge the temperature of coil pipe compared with
It is low, meet the condition for entering defrost, control first throttle element is closed, and the second restricting element is opened, into defrost pattern.Work as disk
When the temperature of pipe and the difference of default coil temperature are less than or equal to the default coil pipe temperature difference, judge that the temperature of coil pipe is higher, do not have
Frosting or frosting be not serious, is unsatisfactory for the condition into defrost, and control air conditioner continues to run current mode.
A wherein embodiment, the air conditioner include compressor, and the gas returning port includes first that the compressor has
Gas returning port and the second gas returning port, first gas returning port are connected with the commutation component, second gas returning port and the gas
The third interface of liquid/gas separator is connected, and the duty parameter of the gas returning port includes the suction temperature at first gas returning port；
It is described judge whether meet enter defrost condition, specifically include: detect the coil pipe of the outdoor heat exchanger temperature and
Suction temperature at first gas returning port；The temperature of the coil pipe of the outdoor heat exchanger becomes in preset duration in decline
Gesture, and the difference of the suction temperature at first gas returning port and default suction temperature is greater than the default return-air temperature difference, then meet into
Enter the condition of defrost.
When the difference of suction temperature and default suction temperature at first gas returning port is greater than the default return-air temperature difference, illustrate first
Suction temperature at gas returning port is low, and low suction temperature may be as caused by frosting, it is also possible to caused by other reason.Cause
This, when judging whether to meet the condition for entering defrost, it is also necessary to the temperature for judging the coil pipe of outdoor heat exchanger, when the temperature of coil pipe
Spend it is on a declining curve, such as coil pipe constant temperature decline, judge the suction temperature at the first gas returning port it is low be since frosting is made
At.Therefore, at the same judge outdoor heat exchanger coil pipe temperature variation tendency and suction temperature at the first gas returning port with
Whether the difference of default suction temperature is greater than the default return-air temperature difference, and the accuracy judged the condition for entering defrost can be improved,
It prevents from judging by accident.
The temperature of the coil pipe of outdoor heat exchanger is on a declining curve in preset duration, and at first gas returning port
The difference of suction temperature and default suction temperature is greater than the default return-air temperature difference, illustrates that the suction temperature at the first gas returning port is lower,
Then meet the condition into defrost.When the temperature of the coil pipe of outdoor heat exchanger is not on a declining curve in preset duration, and/
Or, explanation does not have when the difference of suction temperature and default suction temperature at first gas returning port is not more than the default return-air temperature difference
There are frosting or frosting not serious, does not need to carry out defrosting operation, be unsatisfactory for the condition into defrost.
A wherein embodiment, it is described to judge whether to meet the condition for entering defrost, it specifically includes: detecting the heating operation
Duration；The heating operation duration is greater than default heating operation duration, then meets the condition into defrost.
When heating operation duration is greater than default heating operation duration, judgement needs to carry out defrost, meets and enters defrost
Condition；When heating operation duration is not more than default heating operation duration, judge that no frosting or frosting be not serious, do not need into
Row defrost is unsatisfactory for the condition into defrost.
When judging to meet the condition for entering defrost according to a kind of judgment principle, that is, enter defrost pattern.
A wherein embodiment, the progress control method include: at least one of refrigeration mode and heating mode mode
Under, it controls the first throttle element and second restricting element is opened.
It under refrigeration mode and/or heating mode, controls first throttle element and the second restricting element is opened, so that refrigeration
Refrigerant flows through indoor heat exchanger and outdoor heat exchanger under mode and/or heating mode, realizes the operation of air conditioner.
The technical solution of the second aspect of the present invention provides a kind of operating control device of air conditioner, comprising: memory and
Processor；The memory, for storing program code；The processor, for calling said program code to execute such as first
The progress control method of air conditioner described in any one of technical solution of aspect.
The technical solution of third aspect of the present invention provides a kind of air conditioner, comprising: such as the technical solution of the second aspect
The operating control device of offer.
Specifically, air conditioner includes compressor, commutation component, indoor heat exchanger, outdoor heat exchanger, first throttle element,
Second restricting element and gas-liquid separator.
Compressor has exhaust outlet, the first gas returning port and the second gas returning port, and the commutation component includes first port to the
Four ports, one of them in the first port and third port are connected to second port, the first port and described
Another in three ports is connected to the fourth port, and the first port is connected with the exhaust outlet, the third port
It is connected with first gas returning port；The second port is connected with the first end of the indoor heat exchanger, the 4th port with it is described
The first end of outdoor heat exchanger is connected；The second end of indoor heat exchanger is connected with the first interface of gas-liquid separator, and interior is changed
Be in series with first throttle element between the second end of hot device and the first interface of gas-liquid separator, the second end of indoor heat exchanger with
The second interface of gas-liquid separator is connected, and is in series between the second end of outdoor heat exchanger and the second interface of gas-liquid separator
Second restricting element.Heating and air conditioner according to the present invention is closed, control by controlling first throttle element under defrost pattern
Second restricting element is opened, so that third of the refrigerant through outdoor heat exchanger, the second restricting element, gas-liquid separator during defrost
Interface is back to the second gas returning port of compressor, since refrigerant is not passed through indoor heat exchanger, so as to shorten the defrost time, subtracts
The defrost energy consumption of small air conditioner, additionally it is possible to reduce fluctuations in indoor temperature, promote the comfort that user uses.
The technical solution of the 4th aspect of the present invention provides a kind of computer readable storage medium, is stored thereon with operation control
Processing procedure sequence realizes the sky as described in any one of technical solution of first aspect when the domain name mapping program is executed by processor
Adjust the progress control method of device.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of air conditioner described in one embodiment of the present of invention；
Fig. 2 is the structural schematic diagram of air conditioner described in one embodiment of the present of invention, wherein arrow direction signal refrigeration
The flow direction of refrigerant under mode；
Fig. 3 is the structural schematic diagram of air conditioner described in one embodiment of the present of invention, wherein arrow direction signal heating
The flow direction of refrigerant under mode；
Fig. 4 is the structural schematic diagram of air conditioner described in one embodiment of the present of invention, and wherein arrow direction illustrates defrost
The flow direction of refrigerant under mode；
Fig. 5 is the flow diagram of progress control method described in one embodiment of the present of invention；
Fig. 6 is the flow diagram of progress control method described in one embodiment of the present of invention；
Fig. 7 is the structural schematic diagram of operating control device described in one embodiment of the present of invention.
Wherein, corresponding relationship of the Fig. 1 into Fig. 7 between appended drawing reference and component names are as follows:
1 compressor, 11 first gas returning ports, 12 second gas returning ports, 13 exhaust outlets, 2 commutation components, 21 first ports, 22 the
Two-port netwerk, 23 third ports, 24 the 4th ports, 3 outdoor heat exchangers, 41 second restricting elements, 42 first throttle elements, 5 gas-liquids
Separator, 51 first interfaces, 52 second interfaces, 53 third interfaces, 6 indoor heat exchangers, 50 operating control devices, 502 processors,
504 memories.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
Implement in a manner of using other than the one described here, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
With reference to the accompanying drawings 1 to 7 description progress control method according to some embodiments of the invention, operating control device,
Air conditioner and computer readable storage medium.
If Fig. 1 illustrates a kind of air conditioner, air conditioner includes compressor 1, and commutate component 2, indoor heat exchanger 6, outdoor heat exchange
Device 3, first throttle element 42, the second restricting element 41 and gas-liquid separator 5.
Compressor 1 has exhaust outlet 13, the first gas returning port 11 and the second gas returning port 12, and commutation component 2 includes first port
21 to the 4th ports 24, one of them in first port 21 and third port 23 are connected to second port 22, first port 21
Be connected to another in third port 23 with the 4th port 24, first port 21 is connected with exhaust outlet 13, third port 23 with
First gas returning port 11 is connected；Second port 22 is connected with the first end of indoor heat exchanger 6, the 4th port 24 and outdoor heat exchanger 3
First end be connected；The second end of indoor heat exchanger 6 is connected with the first interface 51 of gas-liquid separator 5, and indoor heat exchanger 6
Be in series with first throttle element 42 between second end and the first interface 51 of gas-liquid separator 5, the second end of indoor heat exchanger 6 with
The second interface 52 of gas-liquid separator 5 is connected, and the second end of outdoor heat exchanger 3 and the second interface 52 of gas-liquid separator 5 it
Between be in series with the second restricting element 41.
First throttle element can be electric expansion valve perhaps capillary or solenoid valve.Second restricting element can be
Electric expansion valve perhaps capillary or solenoid valve.
As shown in Figure 5 and Figure 6, a kind of progress control method of the air conditioner provided according to some embodiments of the invention, packet
It includes:
Step S10 judges whether to meet the condition for entering defrost；
Step S20 determines to meet the condition for entering defrost, the control closing of first throttle element 42, and controls the second throttling
Element 41 is opened, to enter defrost pattern；
Step S30 determines to be unsatisfactory for the condition into defrost, controls air conditioner and maintain former operational mode, do not enter defrost
Mode.
The progress control method that above-mentioned technical proposal of the present invention provides, when determining to meet the condition for entering defrost, control
First throttle element 42 is closed, and the second restricting element 41 of control is opened, and such refrigerant flows through the throttling member of outdoor heat exchanger 3, second
Part 41 and gas-liquid separator 5, and it is not passed through indoor heat exchanger 6, the flow path of refrigerant is on the one hand shortened, when can shorten defrost
Between, reduce the defrost energy consumption of air conditioner, on the other hand can reduce fluctuations in indoor temperature, promotes the comfort that user uses.
Specifically, under defrost pattern refrigerant flow path are as follows: the refrigerant that the exhaust outlet 13 of compressor 1 is discharged, through first end
The 21, the 4th port 24 of mouth flows into outdoor heat exchanger 3, flows into second through the second restricting element 41, second interface 52, third interface 53
Gas returning port 12, so that refrigerant is without indoor heat exchanger 6.
Embodiment one:
Judge whether to meet the condition for entering defrost, specifically includes: detecting the system parameter of air conditioner；Judge system parameter
Whether the parameter and standard of default defrost is reached；If so, meeting the condition for entering defrost.
For how to judge whether air conditioner meets the condition into defrost, can according to the system parameter of air conditioner come into
Row judgement.When system parameter reaches the parameter and standard of default defrost, determine meet enter defrost condition, control air conditioner into
Enter defrost pattern, control first throttle element 42 is closed, and the second restricting element 41 of control is opened.
A wherein embodiment, system parameter include the temperature of the coil pipe of outdoor heat exchanger 3, the duty parameter of gas returning port, system
At least one of hot operation duration.
The duty parameter of gas returning port can be the suction temperature or back pressure at gas returning port.Except can be according to outdoor heat exchange
At least one of the temperature of the coil pipe of 3 device of device, the duty parameter of gas returning port, heating duration, which judge whether to meet, enters defrost
Outside condition, it can also be judged whether to meet the condition for entering defrost according to other parameters, such as judged according to outdoor environment temperature
Whether satisfaction enters the condition of defrost.
It can be by the way that temperature be arranged at the coil pipe of outdoor heat exchanger 3 for the acquisition of the temperature of the coil pipe of outdoor heat exchanger 3
Sensor is spent, it can be by the way that temperature sensor be arranged at gas returning port, for adopting for back pressure for the acquisition of suction temperature
Collection can be by being arranged pressure sensor at gas returning port.
Progress control method includes: control first throttle member under at least one of refrigeration mode and heating mode mode
Part 42 and the second restricting element 41 are opened.
In cooling mode, the flow path of refrigerant are as follows: the refrigerant that the exhaust outlet 13 of compressor 1 is discharged, the through commutation component 2
Single port 21, the 4th port 24 enter outdoor heat exchanger 3, and through the second restricting element 41, at least partly gaseous coolant is through gas-liquid point
Third interface 53 from device 5 flows back to the second gas returning port 12, and at least partly liquid refrigerants is through first throttle element 42, indoor heat exchanger
6, second port 22, third port 23 flow back into the first gas returning port 11 of compressor 1.
Under heating mode, the flow path of refrigerant are as follows: the refrigerant that the exhaust outlet 13 of compressor 1 is discharged, first through commutation component 2
Port 21, second port 22 enter the room heat exchanger 6, and through first throttle element 42, at least partly gaseous coolant is through gas-liquid separation
The third interface 53 of device 5 flows back to the second gas returning port 12, at least partly liquid refrigerants through the second restricting element 41, outdoor heat exchanger 3,
4th port 24, third port 23 flow back into the first gas returning port 11 of compressor 1.
Embodiment two:
Air conditioner includes compressor 1 and commutation component 2, and compressor 1 includes the first gas returning port 11 and the second gas returning port 12, the
One gas returning port 11 is connected with commutation component 2, and the second gas returning port 12 is connected with the third interface 53 of gas-liquid separator 5, return-air
The duty parameter of mouth is the duty parameter of the first gas returning port 11.
There is the compressor 1 of the first gas returning port 11 and the second gas returning port 12, the third interface of gas-liquid separator 5 by being arranged
53 are connected with the second gas returning port 12 of compressor 1, carry out gas-liquid separation to refrigerant using gas-liquid separator 5, are freezing and are heating
The gaseous coolant isolated under mode is injected directly into the second gas returning port 12 of compressor 1, to improve overall performance.
Compressor 1 can be air injection enthalpy-increasing compressor 1 or separate compressors 1.
The duty parameter of first gas returning port 11 includes the suction temperature or back pressure at the first gas returning port 11, due to heating
Refrigerant is after indoor heat exchanger 6, first throttle element 42 under mode, at least partly third of the gaseous coolant through gas-liquid separator 5
Interface 53 flows back to the second gas returning port 12, at least partly first interface 51 and second interface 52 of the liquid refrigerants through gas-liquid separator 5,
Second restricting element 41, outdoor heat exchanger 3, commutation component 2 flow back to the first gas returning port 11, therefore, the operating condition of the first gas returning port 11
Parameter is able to reflect the temperature of outdoor heat exchanger 3, enters to judge whether to meet according to the duty parameter of the first gas returning port 11
The condition of defrost is more suitable.
A wherein embodiment judges whether to meet the condition for entering defrost, specifically include: the disk of detection outdoor heat exchanger 3
The temperature of pipe；The temperature of coil pipe and the difference of default coil temperature are greater than the default coil pipe temperature difference, then meet the condition into defrost.
When the difference of the temperature of coil pipe and default coil temperature is greater than the default coil pipe temperature difference, judge the temperature of coil pipe compared with
It is low, meet the condition for entering defrost, control first throttle element 42 is closed, and the second restricting element 41 is opened, into defrost pattern.
When the temperature of coil pipe is with the difference light rain of default coil temperature or equal to the default coil pipe temperature difference, judge that the temperature of coil pipe is higher,
There is no frosting or frosting not serious, be unsatisfactory for the condition into defrost, control air conditioner continues to run current mode.
A wherein embodiment judges whether to meet the condition for entering defrost, specifically include: the disk of detection outdoor heat exchanger 3
Suction temperature at the temperature of pipe and the first gas returning port 11；The temperature of the coil pipe of outdoor heat exchanger 3 is in preset duration in decline
Trend, and the difference of the suction temperature at the first gas returning port 11 and default suction temperature is greater than the default return-air temperature difference, then meet into
Enter the condition of defrost.
When the difference of suction temperature at first gas returning port 11 and default suction temperature is greater than the default return-air temperature difference, illustrate the
Suction temperature at one gas returning port 11 is low, and low suction temperature may be as caused by frosting, it is also possible to which other reason causes
's.Therefore, when judging whether to meet the condition for entering defrost, it is also necessary to which the temperature for judging the coil pipe of outdoor heat exchanger 3 works as disk
The temperature of pipe is on a declining curve, for example, coil pipe constant temperature decline, judge the suction temperature at the first gas returning port 11 it is low be by
Caused by frosting.Therefore, at the same judge outdoor heat exchanger 3 disk hang temperature variation tendency and the first gas returning port 11 at
Whether the difference of suction temperature and default suction temperature is greater than the default return-air temperature difference, can be improved and judges the condition for entering defrost
Accuracy, prevent from judging by accident.
The temperature of the coil pipe of outdoor heat exchanger 3 is on a declining curve in preset duration, and the return-air at the first gas returning port 11
Temperature and the difference of default suction temperature are greater than the default return-air temperature difference, illustrate that the suction temperature at the first gas returning port 11 is lower, then
Meet the condition for entering defrost.When the temperature of the coil pipe of outdoor heat exchanger 3 is not on a declining curve in preset duration, and/or,
When the difference of suction temperature at one gas returning port 11 and default suction temperature is not more than the default return-air temperature difference, illustrate no frosting or
Frosting is not serious, does not need to carry out defrosting operation, is unsatisfactory for the condition into defrost.
Embodiment three:
Judge whether to meet the condition for entering defrost, specifically include: detection heating operation duration；Heating operation duration is greater than
Default heating operation duration, then meet the condition into defrost.
When heating operation duration is greater than default heating operation duration, judgement needs to carry out defrost, meets and enters defrost
Condition；When heating operation duration is not more than default heating operation duration, judge that no frosting or frosting be not serious, do not need into
Row defrost is unsatisfactory for the condition into defrost.
To sum up, progress control method provided in an embodiment of the present invention, by when meeting the condition for entering defrost, control the
One restricting element 42 is closed, and the second restricting element 41 of control is opened, i.e., first throttle element 42 is closed under defrost pattern, the second section
Fluid element 41 is opened, and such refrigerant is not passed through indoor heat exchanger 6, on the one hand shortens the defrost period, on the other hand reduce room
The fluctuation of interior temperature.
The technical solution of the second aspect of the present invention provides a kind of operating control device 50 of air conditioner, comprising: memory
504 and processor 502；Memory 504, for storing program code；Processor 502 executes such as for caller code
The progress control method of the air conditioner of any one of the embodiment of one aspect.
The technical solution of third aspect of the present invention provides a kind of air conditioner, comprising: such as the technical solution of the second aspect
The operating control device 50 of offer.
Specifically, air conditioner includes compressor 1, commutation component 2, indoor heat exchanger 6, outdoor heat exchanger 3, first throttle member
Part 42, the second restricting element 41 and gas-liquid separator 5.
Compressor 1 has exhaust outlet 13, the first gas returning port 11 and the second gas returning port 12, and commutation component 2 includes first port
21 to the 4th ports 24, one of them in first port 21 and third port 23 are connected to second port 22, first port 21
Be connected to another in third port 23 with the 4th port 24, first port 21 is connected with exhaust outlet 13, third port 23 with
First gas returning port 11 is connected；Second port 22 is connected with the first end of indoor heat exchanger 6, the 4th port 24 and outdoor heat exchanger 3
First end be connected；The second end of indoor heat exchanger 6 is connected with the first interface 51 of gas-liquid separator 5, and indoor heat exchanger 6
Be in series with first throttle element 42 between second end and the first interface 51 of gas-liquid separator 5, the second end of indoor heat exchanger 6 with
The second interface 52 of gas-liquid separator 5 is connected, and the second end of outdoor heat exchanger 3 and the second interface 52 of gas-liquid separator 5 it
Between be in series with the second restricting element 41.Heating and air conditioner according to the present invention, by controlling first throttle member under defrost pattern
Part 42 is closed, and the second restricting element 41 of control is opened, so that refrigerant is through outdoor heat exchanger 3, the second restricting element during defrost
41, the third interface 53 of gas-liquid separator 5 is back to the second gas returning port 12 of compressor 1, since refrigerant is not passed through indoor heat exchange
Device 6 reduces the defrost energy consumption of air conditioner so as to shorten the defrost time, additionally it is possible to reduce fluctuations in indoor temperature, promote user
The comfort used.
The technical solution of the 4th aspect of the present invention provides a kind of computer readable storage medium, is stored thereon with operation control
Processing procedure sequence realizes the sky such as any one of the technical solution of first aspect when the domain name mapping program is executed by processor 502
Adjust the progress control method of device.
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 implemented in usable storage medium (including but not limited to magnetic disk storage 504, CD-ROM, optical memory 504 etc.)
The form of program 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 502 of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices with
A machine is generated, so that generating by the instruction that computer or the processor 502 of other programmable data processing devices execute
For realizing the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram
Device.
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 504 that mode works, so that the instruction being stored in the computer-readable memory 504 generates
Manufacture including command device, the command device are realized in one or more flows of the flowchart and/or one, block diagram
The function of being specified in box or 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 right of the present invention by those skilled in the art
It is required that and its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of progress control method of air conditioner, which is characterized in that the air conditioner includes indoor heat exchanger, outdoor heat exchange
The first of device, first throttle element, the second restricting element and gas-liquid separator, the indoor heat exchanger and the gas-liquid separator
It is in series with first throttle element between interface, is in series between the outdoor heat exchanger and the second interface of the gas-liquid separator
Second restricting element, the progress control method include:
Judge whether to meet the condition for entering defrost；
Determine to meet the condition for entering defrost, controls the first throttle element and close, and control second restricting element and beat
It opens.
2. the progress control method of air conditioner according to claim 1, which is characterized in that
It is described to judge whether to meet the condition for entering defrost, it specifically includes:
Detect the system parameter of the air conditioner；
Judge whether the system parameter reaches the parameter and standard of default defrost；
If so, meeting the condition for entering defrost.
3. the progress control method of air conditioner according to claim 2, which is characterized in that
The system parameter includes the temperature of the coil pipe of the outdoor heat exchanger, the duty parameter of gas returning port, heating operation duration
At least one of.
4. the progress control method of air conditioner according to claim 3, which is characterized in that
It is described to judge whether to meet the condition for entering defrost, it specifically includes:
Detect the temperature of the coil pipe of the outdoor heat exchanger；
The temperature of the coil pipe and the difference of default coil temperature are greater than the default coil pipe temperature difference, then determine to meet the item for entering defrost
Part.
5. the progress control method of air conditioner according to claim 3, which is characterized in that the air conditioner includes compression
Machine, the gas returning port include the first gas returning port and the second gas returning port that the compressor has, first gas returning port and commutation
Component is connected, and second gas returning port is connected with the third interface of the gas-liquid separator, the operating condition ginseng of the gas returning port
Number includes the suction temperature at first gas returning port；
It is described to judge whether to meet the condition for entering defrost, it specifically includes:
Detect the suction temperature at the temperature and first gas returning port of the coil pipe of the outdoor heat exchanger；
The temperature of the coil pipe of the outdoor heat exchanger is on a declining curve in preset duration, and at first gas returning port
The difference of suction temperature and default suction temperature is greater than the default return-air temperature difference, then determines to meet the condition for entering defrost.
6. the progress control method of air conditioner according to claim 3, which is characterized in that
It is described to judge whether to meet the condition for entering defrost, it specifically includes:
Detect the heating operation duration；
The heating operation duration is greater than default heating operation duration, then determines to meet the condition for entering defrost.
7. the progress control method of air conditioner according to any one of claim 1 to 6 characterized by comprising
Under at least one of refrigeration mode and heating mode mode, the first throttle element and the second throttling member are controlled
Part is opened.
8. a kind of operating control device of air conditioner characterized by comprising memory and processor；
The memory, for storing program code；
The processor, for calling said program code to execute the fortune of the air conditioner as described in any one of claims 1 to 7
Row control method.
9. a kind of air conditioner characterized by comprising
The operating control device of air conditioner as claimed in claim 8.
10. a kind of computer readable storage medium, which is characterized in that be stored thereon with operation control program, the operation control
The progress control method of the air conditioner as described in any in claim 1 to 7 is realized when program is executed by processor.
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| CN201910626526.3A CN110186153A (en) | 2019-07-11 | 2019-07-11 | Air conditioner and its progress control method, operating control device and computer readable storage medium |
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| CN201910626526.3A CN110186153A (en) | 2019-07-11 | 2019-07-11 | Air conditioner and its progress control method, operating control device and computer readable storage medium |
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| CN111637594A (en) * | 2020-06-11 | 2020-09-08 | 宁波奥克斯电气股份有限公司 | Defrosting control method and device and air conditioner |
| CN113944987A (en) * | 2021-11-24 | 2022-01-18 | 广东美的制冷设备有限公司 | Control method, device and equipment of air conditioning system and storage medium |
| CN114688631A (en) * | 2020-12-31 | 2022-07-01 | 广东美的制冷设备有限公司 | Air conditioning system, defrosting method of air conditioning system, and computer-readable storage medium |
| CN114688631B (en) * | 2020-12-31 | 2024-04-26 | 广东美的制冷设备有限公司 | Air conditioning system, defrosting method of air conditioning system and computer readable storage medium |
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