CN114576824B - Control method and operation control device of air conditioner and air conditioner - Google Patents
Control method and operation control device of air conditioner and air conditioner Download PDFInfo
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- CN114576824B CN114576824B CN202011369146.5A CN202011369146A CN114576824B CN 114576824 B CN114576824 B CN 114576824B CN 202011369146 A CN202011369146 A CN 202011369146A CN 114576824 B CN114576824 B CN 114576824B
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- 238000000034 method Methods 0.000 title claims abstract description 74
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 230000000630 rising effect Effects 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005057 refrigeration Methods 0.000 abstract description 30
- 230000000694 effects Effects 0.000 description 16
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- 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
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- 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
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- 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
- F24F11/67—Switching between heating and cooling modes
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- 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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
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- General Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
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- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a control method, an operation control device and an air conditioner of the air conditioner, when the air conditioner works in a heating mode, after a heating start-up, when the temperature of an air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of an air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; when the air conditioner works in a refrigeration mode, after refrigeration and startup, when the air outlet temperature is lower than the second preset temperature, namely under the condition that the air outlet temperature is lower, the rotating speed of the air outlet fan is controlled according to the change rate of the air outlet temperature, so that the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the change rate of the air outlet temperature, cold air blown out by the air conditioner is comfortable, and can be rapidly diffused to other areas of a room, and the thermal comfort of the air conditioner can be improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and an operation control device of an air conditioner and the air conditioner.
Background
At present, an air conditioner in a room works in a heating mode, the problems of low air outlet temperature and slow rising of air outlet temperature after the air conditioner is started are generally existed in the early stage of heating and starting, and if the air outlet speed of the air conditioner is high, the feeling of blowing out cool air to a user is easily caused; if the air outlet speed of the air conditioner is low, the blown hot air cannot be rapidly diffused to other areas of the room; similarly, the air conditioner in the room works in a refrigeration mode, the problems of high air outlet temperature and slow drop of air outlet temperature after the air conditioner is started are generally existed in the early stage of refrigeration and starting, and if the air outlet speed of the air conditioner is high, the feeling of blowing hot air out by a user is easily caused; if the air outlet speed of the air conditioner is low, the blown cold air cannot be rapidly diffused to other areas of the room; therefore, poor control of the air outlet speed of the air conditioner can seriously affect the thermal comfort of the room.
Disclosure of Invention
The present invention is directed to solve at least one of the problems of the prior art, and provides a control method, an operation control device and an air conditioner, which can improve thermal comfort of the air conditioner.
In a first aspect, an embodiment of the present invention provides a method for controlling an air conditioner, including:
acquiring the temperature of an air outlet of the air conditioner;
when the air outlet temperature meets a first preset condition, controlling the rotating speed of an air outlet fan according to the change rate of the air outlet temperature;
the first preset condition is that the temperature of the air outlet is higher than a first preset temperature in the heating mode, or the temperature of the air outlet is lower than a second preset temperature in the cooling mode.
The control method of the air conditioner provided by the embodiment of the invention at least has the following beneficial effects: when the air conditioner works in a heating mode, after the air conditioner is heated and started, when the temperature of the air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; similarly, work as the air conditioner works in the refrigeration mode, and after the air conditioner refrigeration was started, when the air outlet temperature was less than the second and predetermines the temperature, promptly under the lower circumstances of air outlet temperature, according to the rotational speed of the rate of change control air-out fan of air outlet temperature for the rotational speed of air-out fan matches the rate of change of air outlet temperature and air outlet temperature, makes the cold wind that the air conditioner blew out not only comfortable but also can spread to other regions in room fast, thereby can improve the thermal comfort of air conditioner.
In the above method for controlling an air conditioner, when the air conditioner is in a heating mode, the controlling the rotation speed of the air outlet fan according to the variation rate of the temperature of the air outlet includes:
and controlling the air outlet fan to work at a first rotating speed under the condition that the rising rate of the temperature of the air outlet is less than or equal to a first preset rate.
When the air conditioner works in a heating mode, if the rising rate of the air outlet temperature is smaller than or equal to a first preset rate, namely the rising rate of the air outlet temperature is not fast enough, the expected rising rate is not reached, the air outlet fan is controlled to work at a first rotating speed at the moment, which is equivalent to limiting the rotating speed of the air outlet fan, so that the cold air blowing feeling of a user caused by the overlarge rotating speed of the air outlet fan is avoided, and the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the air outlet temperature of the air outlet temperature.
In the above control method of the air conditioner, the first rotation speed is calculated by the following formula:
P 1 ＝P min +(P max -P min )×a
wherein, P 1 At a first rotational speed, P min Is the minimum rotation speed, P, of the air outlet fan max And a is a set coefficient smaller than 1 for the maximum rotating speed of the air outlet fan.
By adopting the formula, the first rotating speed P can be calculated only by adjusting the magnitude of the set coefficient a 1 The value of the set coefficient a is less than 1, so that the first rotating speed P obtained by calculation can be ensured 1 Can not exceed the maximum rotating speed P of the air outlet fan max The value range of the setting parameter a is generally between 0.5 and 1, and can be 0.6.
In the above method for controlling an air conditioner, when the air conditioner is in a heating mode, before determining whether the temperature of the air outlet meets a first preset condition, the method further includes:
acquiring the temperature of a heat exchanger of an indoor unit;
and when the temperature of the heat exchanger is higher than a third preset temperature, controlling the air outlet fan to work at a second rotating speed.
When the air conditioner is started and works in a heating mode, the temperature of the heat exchanger of the indoor unit is firstly acquired, when the temperature of the heat exchanger reaches a third preset temperature, the air outlet fan is controlled to work at a second rotating speed, the situation that when the air conditioner is just started in the heating mode, the air outlet fan works at a larger rotating speed under the condition that the temperature of the heat exchanger of the indoor unit is lower is avoided, and therefore cold air is prevented from being blown out to a user at the initial heating stage.
In the above method for controlling an air conditioner, after controlling the air outlet fan to operate at the second rotation speed for the first time period, the method further includes:
and when the temperature of the air outlet is less than or equal to a first preset temperature, controlling the compressor to increase the running frequency.
After the air outlet fan works at the second rotating speed for the first time, namely the air conditioner works at least in the heating mode for the first time, if the air outlet temperature is less than or equal to the first preset temperature, the current heating effect of the air conditioner is relatively weak, and the expected heating effect is not achieved, at the moment, the compressor is controlled to increase the operating frequency to improve the heating effect of the air conditioner, so that the air outlet temperature can reach the first preset temperature more quickly. The operation frequency of the compressor is controlled to be increased to improve the heating effect of the air conditioner, the operation frequency of the compressor can be gradually increased, and the compressor can be directly controlled to operate at the maximum frequency.
In the above control method of the air conditioner, the second rotation speed is calculated by the following formula:
P 2 ＝P min +(P max -P min )×b
wherein, P 2 At a second speed, P min Is the minimum rotation speed, P, of the air outlet fan max B is a set coefficient less than 1 and is the maximum rotating speed of the air outlet fan.
By adopting the formula, the second rotating speed P can be calculated only by adjusting the magnitude of the setting coefficient b 2 The value of the set coefficient b is less than 1, so that the second rotating speed P obtained by calculation can be ensured 2 Can not exceed the maximum rotating speed P of the air outlet fan max The value range of the setting parameter b is generally between 0 and 0.5, and can be 0.2.
In the above method for controlling an air conditioner, when the air conditioner is in a cooling mode, the controlling the rotation speed of the air outlet fan according to the variation rate of the temperature of the air outlet includes:
and controlling the air outlet fan to work at a third rotating speed under the condition that the falling rate of the air outlet temperature is less than or equal to a third preset rate.
When the air conditioner works in a refrigeration mode, if the reduction rate of the air outlet temperature is smaller than or equal to a third preset rate, namely the reduction rate of the air outlet temperature is not fast enough, the expected reduction rate is not reached, the air outlet fan is controlled to work at a third rotating speed at the moment, which is equivalent to limiting the rotating speed of the air outlet fan, so that the phenomenon that a user blows hot air due to the fact that the rotating speed of the air outlet fan is too large is avoided, and the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the air outlet temperature of the air outlet temperature.
In the above control method of the air conditioner, the third rotation speed is calculated by the following formula:
P 3 ＝P min +(P max -P min )×c
wherein, P 3 At a third speed, P min Is the minimum rotation speed, P, of the air outlet fan max C is a set coefficient smaller than 1 and is the maximum rotating speed of the air outlet fan.
By adopting the formula, the third rotating speed P can be calculated only by adjusting the magnitude of the setting coefficient c 3 The value of the set coefficient c is less than 1, so that the calculated third rotating speed P can be ensured 3 Can not exceed the maximum rotating speed P of the air outlet fan max The value range of the setting parameter c is generally between 0.5 and 1.
In the above method for controlling an air conditioner, in the cooling mode, the method further includes:
and when the temperature of the air outlet is greater than or equal to a second preset temperature, controlling the compressor to increase the running frequency.
Under the refrigeration mode, when the air outlet temperature is greater than or equal to the second preset temperature, the current refrigeration effect of the air conditioner is equivalently weaker, the expected cooling effect is not achieved, the compressor is controlled to increase the operation frequency at the moment, the refrigeration effect of the air conditioner is improved, and the air outlet temperature can be reduced to below the second preset temperature more quickly. The operation frequency of the compressor is controlled to be increased to improve the refrigeration effect of the air conditioner, the operation frequency of the compressor can be gradually increased, and the compressor can be directly controlled to operate at the maximum frequency.
In a second aspect, an embodiment of the present invention provides an operation control apparatus, including at least one control processor and a memory, which is communicatively connected to the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform the control method according to the embodiment of the first aspect of the present invention.
The operation control device provided by the embodiment of the invention at least has the following beneficial effects: when the air conditioner works in a heating mode, after the air conditioner is started in a heating mode, when the temperature of the air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; similarly, work as the air conditioner works in the refrigeration mode, and after the air conditioner refrigeration was started, when the air outlet temperature was less than the second and predetermines the temperature, promptly under the lower circumstances of air outlet temperature, according to the rotational speed of the rate of change control air-out fan of air outlet temperature for the rotational speed of air-out fan matches the rate of change of air outlet temperature and air outlet temperature, makes the cold wind that the air conditioner blew out not only comfortable but also can spread to other regions in room fast, thereby can improve the thermal comfort of air conditioner.
In a third aspect, an embodiment of the present invention provides an air conditioner including the operation control device according to the embodiment of the second aspect.
The air conditioner provided by the embodiment of the invention at least has the following beneficial effects: when the air conditioner works in a heating mode, after the air conditioner is started in a heating mode, when the temperature of the air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; similarly, when the air conditioner works in a refrigeration mode, after the air conditioner is started in a refrigeration mode, when the air outlet temperature is lower than the second preset temperature, namely under the condition that the air outlet temperature is lower, the rotating speed of the air outlet fan is controlled according to the change rate of the air outlet temperature, so that the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the change rate of the air outlet temperature, cold air blown out by the air conditioner is comfortable, and can be rapidly diffused to other areas of a room, and the thermal comfort of the air conditioner can be improved.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored, and the computer-executable instructions are configured to cause a computer to execute a control method according to an embodiment of the first aspect of the present invention.
The computer-readable storage medium provided by the embodiment of the invention has at least the following beneficial effects: when the air conditioner works in a heating mode, after the air conditioner is heated and started, when the temperature of the air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; similarly, when the air conditioner works in a refrigeration mode, after the air conditioner is started in a refrigeration mode, when the air outlet temperature is lower than the second preset temperature, namely under the condition that the air outlet temperature is lower, the rotating speed of the air outlet fan is controlled according to the change rate of the air outlet temperature, so that the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the change rate of the air outlet temperature, cold air blown out by the air conditioner is comfortable, and can be rapidly diffused to other areas of a room, and the thermal comfort of the air conditioner can be improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The invention is further described below with reference to the accompanying drawings and examples;
fig. 1 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of an air conditioner according to a second embodiment of the present invention;
fig. 3 is a flowchart of a control method of an air conditioner according to a third embodiment of the present invention;
fig. 4 is a flowchart illustrating a control method of an air conditioner according to a fourth embodiment of the present invention;
fig. 5 is a flowchart illustrating a control method of an air conditioner according to a fifth embodiment of the present invention;
fig. 6 is a flowchart illustrating a control method of an air conditioner according to a sixth embodiment of the present invention;
fig. 7 is a flowchart illustrating a control method of an air conditioner according to a seventh embodiment of the present invention;
fig. 8 is a schematic diagram of an operation control apparatus according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The embodiment of the invention provides a control method and an operation control device of an air conditioner and the air conditioner, which can improve the thermal comfort of the air conditioner.
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1, a first embodiment of the present invention provides a control method of an air conditioner, including the steps of:
step S110: acquiring the temperature of an air outlet of the air conditioner;
step S120: when the air outlet temperature meets a first preset condition, controlling the rotating speed of an air outlet fan according to the change rate of the air outlet temperature;
the first preset condition is that the temperature of the air outlet is higher than a first preset temperature in the heating mode, or the temperature of the air outlet is lower than a second preset temperature in the cooling mode.
According to the control method of the air conditioner provided by the embodiment of the invention, when the air conditioner works in a heating mode, after the air conditioner is heated and started, when the temperature of the air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; similarly, when the air conditioner works in a refrigeration mode, after the air conditioner is started in a refrigeration mode, when the air outlet temperature is lower than the second preset temperature, namely under the condition that the air outlet temperature is lower, the rotating speed of the air outlet fan is controlled according to the change rate of the air outlet temperature, so that the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the change rate of the air outlet temperature, cold air blown out by the air conditioner is comfortable, and can be rapidly diffused to other areas of a room, and the thermal comfort of the air conditioner can be improved.
Based on the control method of the air conditioner in fig. 1, when the air conditioner works in the heating mode, the step S120 of controlling the rotation speed of the air outlet fan according to the change rate of the temperature of the air outlet includes:
and controlling the air outlet fan to work at a first rotating speed under the condition that the rising rate of the temperature of the air outlet is less than or equal to a first preset rate. Referring to fig. 2 in particular, the control method for the air conditioner to work in the heating mode includes the following steps:
step S210: acquiring the temperature of an air outlet of the air conditioner;
step S220: when the air outlet temperature is higher than a first preset temperature, the air outlet fan is controlled to work at a first rotating speed under the condition that the rising rate of the air outlet temperature is lower than or equal to the first preset rate.
When the air conditioner works in a heating mode, if the rising rate of the air outlet temperature is smaller than or equal to a first preset rate, namely the rising rate of the air outlet temperature is not fast enough, the expected rising rate is not reached, the air outlet fan is controlled to work at a first rotating speed at the moment, which is equivalent to limiting the rotating speed of the air outlet fan, so that the cold air blowing feeling of a user caused by the overlarge rotating speed of the air outlet fan is avoided, and the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the air outlet temperature of the air outlet temperature.
Wherein, in the control method of the air conditioner of fig. 1 and 2, the first rotation speed is calculated by the following formula:
P 1 ＝P min +(P max -P min )×a
wherein, P 1 At a first speed, P min Is the minimum rotation speed, P, of the air outlet fan max And a is a set coefficient smaller than 1 for the maximum rotating speed of the air outlet fan.
By adopting the formula, the first rotating speed P can be calculated only by adjusting the magnitude of the set coefficient a 1 The value of the set coefficient a is less than 1, so that the first rotating speed P obtained by calculation can be ensured 1 Can not exceed the maximum rotating speed P of the air outlet fan max The value range of the setting parameter a is generally between 0.5 and 1, and may be 0.5 or 0.6.
Based on the control method of the air conditioner in fig. 1 and fig. 2, when the air conditioner works in a heating mode, before determining whether the air outlet temperature meets a first preset condition, the control method further includes the following steps:
acquiring the temperature of a heat exchanger of an indoor unit;
and when the temperature of the heat exchanger is higher than a third preset temperature, controlling the air outlet fan to work at a second rotating speed.
Referring specifically to fig. 3, the control method for the air conditioner to operate in the heating mode may include the steps of:
step S310: acquiring the temperature of a heat exchanger of an indoor unit;
step S320: when the temperature of the heat exchanger is higher than a third preset temperature, controlling the air outlet fan to work at a second rotating speed;
step S330: acquiring the temperature of an air outlet of the air conditioner;
step S340: when the air outlet temperature is higher than a first preset temperature, the air outlet fan is controlled to work at a first rotating speed under the condition that the rising rate of the air outlet temperature is lower than or equal to the first preset rate.
When the air conditioner is started and works in a heating mode, the temperature of the heat exchanger of the indoor unit is acquired firstly, when the temperature of the heat exchanger reaches a third preset temperature, the air outlet fan is controlled to work at a second rotating speed, the situation that when the air conditioner is just started in the heating mode, the air outlet fan works at a larger rotating speed under the condition that the temperature of the heat exchanger of the indoor unit is lower is avoided, and therefore cold air is prevented from being blown out of a user at the initial heating stage.
Based on the control method of the air conditioner in fig. 3, after controlling the air outlet fan to operate at the second rotation speed for the first time period, the method further includes:
and when the temperature of the air outlet is less than or equal to a first preset temperature, controlling the compressor to increase the running frequency.
Referring to fig. 4, the method for controlling the air conditioner to operate in the heating mode may specifically include the following steps:
step S410: acquiring the temperature of a heat exchanger of an indoor unit;
step S420: when the temperature of the heat exchanger is higher than a third preset temperature, controlling the air outlet fan to work at a second rotating speed;
step S430: acquiring the temperature of an air outlet of the air conditioner;
step S440: when the temperature of the air outlet is less than or equal to a first preset temperature, controlling the compressor to increase the running frequency; when the air outlet temperature is higher than a first preset temperature, the air outlet fan is controlled to work at a first rotating speed under the condition that the rising rate of the air outlet temperature is lower than or equal to the first preset rate.
After the air outlet fan works at the second rotating speed for the first time, namely the air conditioner works at least in the heating mode for the first time, if the temperature of the air outlet is smaller than or equal to the first preset temperature, the current heating effect of the air conditioner is quite weak, the expected heating effect is not achieved, the compressor is controlled to increase the operating frequency at the moment, the heating effect of the air conditioner is improved, and the temperature of the air outlet can reach the first preset temperature more quickly. The operation frequency of the compressor is controlled to be increased to improve the heating effect of the air conditioner, the operation frequency of the compressor can be gradually increased, and the compressor can be directly controlled to operate at the maximum frequency.
Wherein, in the control method of the air conditioner of fig. 3 and 4, the second rotation speed is calculated by the following formula:
P 2 ＝P min +(P max -P min )×b
wherein, P 2 At a second speed of rotation, P min Is the minimum rotational speed, P, of the air outlet fan max B is a set coefficient less than 1 for the maximum rotating speed of the air outlet fan.
By adopting the formula, the second rotating speed P can be calculated by only adjusting the magnitude of the set coefficient b 2 The value of the set coefficient b is less than 1, so that the second rotating speed P obtained by calculation can be ensured 2 Can not exceed the maximum rotating speed P of the air outlet fan max The value range of the setting parameter b is generally between 0 and 0.5, and can be 0.2.
The control method of the air conditioner in the heating mode will be described in detail with reference to fig. 5.
After the air conditioner is heated and started, the compressor is started to obtain the temperature T of the heat exchanger of the indoor unit Changeable pipe When the temperature T of the heat exchanger of the indoor unit is higher than the set temperature T Trade Greater than a third predetermined temperature T 3 Wherein the third preset temperature T 3 Can be controlled at 25 ℃ and the second rotating speed P of the air outlet fan 2 Working, second speed P 2 The following formula is adopted to calculate the following formula:
P 2 ＝P min +(P max -P min )×b
wherein, P 2 At a second speed, P min Is the minimum rotation speed, P, of the air outlet fan max B is a set coefficient smaller than 1 and can be 0.2, wherein b is the maximum rotating speed of the air outlet fan;
acquiring air outlet temperature T of air conditioner Go out When the temperature of the air outlet is T Go out Greater than a first predetermined temperature T 1 Then, the next stage of operation control is carried out; when the temperature T of the air outlet Go out Less than or equal to a first preset temperature T 1 When the frequency of the compressor is increased, the operation frequency of the compressor can be gradually increased, or the compressor can be directly controlled to operate at the maximum frequency;
when the temperature T of the air outlet Go out Greater than a first predetermined temperature T 1 Calculating the rising rate of the temperature of the air inlet, and controlling the air outlet fan to rotate at a first rotating speed P when the rising rate of the temperature of the air outlet is less than or equal to a first preset rate 1 Working, first speed of rotation P 1 The following formula is adopted to calculate the following formula:
P 1 ＝P min +(P max -P min )×a
wherein, P 1 At a first speed, P min Is the minimum rotational speed, P, of the air outlet fan max For the maximum rotation speed of the air outlet fan, a is a set coefficient smaller than 1, and a can be 0.5.
When the rising rate of the temperature of the air outlet is greater than the first preset rate, the air conditioner enters a normal heating mode and operates in a normal heating mode.
The air conditioner adopts the control method in the heating mode, firstly the rotating speed of the air outlet fan is controlled according to the temperature of the air outlet, and further the rotating speed of the air outlet fan is controlled according to the rising rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room, thereby improving the thermal comfort of the air conditioner.
In addition, based on the control method of the air conditioner shown in fig. 1, when the air conditioner operates in a cooling mode, the controlling the rotation speed of the air outlet fan according to the change rate of the temperature of the air outlet includes:
and controlling the air outlet fan to work at a third rotating speed under the condition that the falling rate of the air outlet temperature is less than or equal to a third preset rate. Referring to fig. 6, the control method of the air conditioner operating in the cooling mode includes the steps of:
step S610: acquiring the temperature of an air outlet of the air conditioner;
step S620: and when the air outlet temperature is lower than the second preset temperature, controlling the air outlet fan to work at a third rotating speed under the condition that the reduction rate of the air outlet temperature is lower than or equal to a third preset rate.
When the air conditioner works in a refrigeration mode, if the reduction rate of the air outlet temperature is smaller than or equal to a third preset rate, namely the reduction rate of the air outlet temperature is not fast enough, the expected reduction rate is not reached, the air outlet fan is controlled to work at a third rotating speed at the moment, which is equivalent to limiting the rotating speed of the air outlet fan, so that the phenomenon that a user blows hot air due to the fact that the rotating speed of the air outlet fan is too large is avoided, and the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the air outlet temperature of the air outlet temperature.
In the above-described control method of the air conditioner of fig. 6, the third rotation speed is calculated by the following equation:
P 3 ＝P min +(P max -P min )×c
wherein, P 3 At a third speed, P min Is the minimum rotation speed, P, of the air outlet fan max C is a set coefficient smaller than 1 and is the maximum rotating speed of the air outlet fan.
By adopting the formula, the third rotating speed P can be calculated only by adjusting the magnitude of the setting coefficient c 3 The value of the set coefficient c is less than 1, so that the third rotating speed P obtained by calculation can be ensured 3 Can not exceed the maximum rotating speed P of the air outlet fan max The value range of the setting parameter c is generally between 0.5 and 1.
The control method of the air conditioner based on fig. 6 further includes, in the cooling mode:
and when the temperature of the air outlet is greater than or equal to a second preset temperature, controlling the compressor to increase the running frequency.
Referring to fig. 7, the control method for the air conditioner to operate in the cooling mode may specifically include the following steps:
step S710: acquiring the temperature of an air outlet of the air conditioner;
step S720: when the temperature of the air outlet is greater than or equal to a second preset temperature, controlling the compressor to increase the running frequency; and when the air outlet temperature is lower than the second preset temperature, controlling the air outlet fan to work at a third rotating speed under the condition that the reduction rate of the air outlet temperature is lower than or equal to a third preset rate.
Under the refrigeration mode, when the air outlet temperature is greater than or equal to the second preset temperature, the current refrigeration effect of the air conditioner is equivalently weaker, the expected cooling effect is not achieved, the compressor is controlled to increase the operation frequency at the moment, the refrigeration effect of the air conditioner is improved, and the air outlet temperature can be reduced to below the second preset temperature more quickly. The operation frequency of the compressor is controlled to be increased to improve the refrigeration effect of the air conditioner, the operation frequency of the compressor can be gradually increased, and the compressor can be directly controlled to operate at the maximum frequency.
Referring to fig. 8, a second embodiment of the present invention provides an operation control apparatus 800, including at least one control processor 810 and a memory 820 for communication connection with the at least one control processor 810; the memory 820 stores instructions executable by the at least one control processor 810, the instructions being executable by the at least one control processor 810 to enable the at least one control processor 810 to perform a control method according to an embodiment of the first aspect of the present invention, for example, performing the above-described method steps S110 to S120 in fig. 1, method steps S210 to S220 in fig. 2, method steps S310 to S340 in fig. 3, method steps S410 to S440 in fig. 4, method steps S610 to S620 in fig. 6, and method steps S710 to S720 in fig. 7.
According to the operation control device 800 provided by the embodiment of the invention, when the air conditioner works in a heating mode, after the air conditioner is heated and started, when the temperature of the air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; similarly, work as the air conditioner works in the refrigeration mode, and after the air conditioner refrigeration was started, when the air outlet temperature was less than the second and predetermines the temperature, promptly under the lower circumstances of air outlet temperature, according to the rotational speed of the rate of change control air-out fan of air outlet temperature for the rotational speed of air-out fan matches the rate of change of air outlet temperature and air outlet temperature, makes the cold wind that the air conditioner blew out not only comfortable but also can spread to other regions in room fast, thereby can improve the thermal comfort of air conditioner.
In addition, according to a third embodiment of the present invention, an air conditioner is provided, which includes the operation control device 800 according to the second embodiment of the present invention.
According to the air conditioner provided by the embodiment of the invention, when the air conditioner works in a heating mode, after the air conditioner is heated and started, when the temperature of the air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; similarly, work as the air conditioner works in the refrigeration mode, and after the air conditioner refrigeration was started, when the air outlet temperature was less than the second and predetermines the temperature, promptly under the lower circumstances of air outlet temperature, according to the rotational speed of the rate of change control air-out fan of air outlet temperature for the rotational speed of air-out fan matches the rate of change of air outlet temperature and air outlet temperature, makes the cold wind that the air conditioner blew out not only comfortable but also can spread to other regions in room fast, thereby can improve the thermal comfort of air conditioner.
In a fourth aspect, embodiments of the present invention provide a computer-readable storage medium storing computer-executable instructions for causing a computer to perform the control method according to the first aspect of the present invention, for example, performing the above-described method steps S110 to S120 in fig. 1, method steps S210 to S220 in fig. 2, method steps S310 to S340 in fig. 3, method steps S410 to S440 in fig. 4, method steps S610 to S620 in fig. 6, and method steps S710 to S720 in fig. 7.
According to the computer-readable storage medium provided by the embodiment of the invention, when the air conditioner works in a heating mode, after the air conditioner is heated and started, when the temperature of the air outlet is higher than a first preset temperature, namely under the condition that the temperature of the air outlet is higher, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, so that the rotating speed of the air outlet fan is matched with the change rate of the temperature of the air outlet and the temperature of the air outlet, and hot air blown out by the air conditioner is comfortable and can be quickly diffused to other areas of a room; similarly, when the air conditioner works in a refrigeration mode, after the air conditioner is started in a refrigeration mode, when the air outlet temperature is lower than the second preset temperature, namely under the condition that the air outlet temperature is lower, the rotating speed of the air outlet fan is controlled according to the change rate of the air outlet temperature, so that the rotating speed of the air outlet fan is matched with the change rate of the air outlet temperature and the change rate of the air outlet temperature, cold air blown out by the air conditioner is comfortable, and can be rapidly diffused to other areas of a room, and the thermal comfort of the air conditioner can be improved.
It will be understood by those of ordinary skill in the art that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, or suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media or non-transitory media and communication media or transitory media. The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data as is known to one of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disks, DVD, or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A method of controlling an air conditioner, comprising:
acquiring the temperature of an air outlet of the air conditioner;
when the air outlet temperature meets a first preset condition, controlling the rotating speed of an air outlet fan according to the change rate of the air outlet temperature;
the first preset condition is that the temperature of the air outlet is higher than a first preset temperature in a heating mode, or the temperature of the air outlet is lower than a second preset temperature in a cooling mode;
when the air conditioner works in a heating mode, the rotating speed of the air outlet fan is controlled according to the change rate of the temperature of the air outlet, and the method comprises the following steps:
controlling the air outlet fan to work at a first rotating speed under the condition that the rising rate of the temperature of the air outlet is smaller than or equal to a first preset rate;
the first rotating speed is calculated by the following formula:
wherein,
is a first rotation speed->
Is the minimum rotating speed of the air outlet fan and is greater than or equal to>
Is the maximum rotating speed of the air outlet fan, and is used for controlling the fan>
Is a set coefficient less than 1.
2. The control method according to claim 1, wherein when the air conditioner is in a heating mode, before determining whether the outlet temperature meets a first preset condition, the method further comprises:
acquiring the temperature of a heat exchanger of an indoor unit;
and when the temperature of the heat exchanger is higher than a third preset temperature, controlling the air outlet fan to work at a second rotating speed.
3. The control method of claim 2, further comprising, after controlling the outlet air blower to operate at the second speed for the first period of time:
and when the temperature of the air outlet is less than or equal to a first preset temperature, controlling the compressor to increase the running frequency.
4. The control method according to claim 2, characterized in that the second rotation speed is calculated by the following formula:
wherein,
at a second rotation speed, is>
Is the minimum rotating speed of the air outlet fan and is greater than or equal to>
Is the maximum rotating speed of the air outlet fan, and is used for controlling the fan>
Is a set coefficient less than 1.
5. The control method according to claim 1, wherein when the air conditioner operates in a cooling mode, the controlling the rotation speed of the air outlet fan according to the change rate of the temperature of the air outlet includes:
and controlling the air outlet fan to work at a third rotating speed under the condition that the falling rate of the air outlet temperature is less than or equal to a third preset rate.
6. The control method according to claim 5, characterized in that the third rotation speed is calculated by the following formula:
wherein,
is the third rotational speed, is greater than or equal to>
Is the minimum rotating speed of the air outlet fan, and is used for controlling the fan>
Is the maximum rotating speed of the air outlet fan, and is used for controlling the fan>
Is a set coefficient less than 1.
7. The control method according to claim 1, characterized by further comprising, in the cooling mode:
and when the temperature of the air outlet is greater than or equal to a second preset temperature, controlling the compressor to increase the running frequency.
8. An operation control apparatus comprising at least one control processor and a memory for communicative connection with the at least one control processor; the memory stores instructions executable by the at least one control processor to enable the at least one control processor to perform the control method of any one of claims 1 to 7.
9. An air conditioner characterized by comprising the operation control device according to claim 8.
10. A computer-readable storage medium storing computer-executable instructions for causing a computer to perform the control method according to any one of claims 1 to 7.
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| PCT/CN2021/129051 WO2022111255A1 (en) | 2020-11-30 | 2021-11-05 | Control method and operation control apparatus for air conditioner, and air conditioner |
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| CN115813002B (en) * | 2022-11-23 | 2024-10-15 | 浙江中烟工业有限责任公司 | Method and device for controlling temperature of outlet material of silk-making loosening and leaf-wetting machine |
| CN116045497B (en) * | 2023-03-06 | 2024-08-16 | 珠海格力电器股份有限公司 | Self-adaptive control method for portable air conditioner, portable air conditioner and computer readable storage medium |
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