CN112240633A - Method and device for controlling air conditioner and air conditioner - Google Patents

Method and device for controlling air conditioner and air conditioner Download PDF

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Publication number
CN112240633A
CN112240633A CN202011111282.4A CN202011111282A CN112240633A CN 112240633 A CN112240633 A CN 112240633A CN 202011111282 A CN202011111282 A CN 202011111282A CN 112240633 A CN112240633 A CN 112240633A
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Prior art keywords
current
air conditioner
humidity
temperature
wind speed
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CN202011111282.4A
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Chinese (zh)
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CN112240633B (en
Inventor
马玉奇
张海超
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Priority to CN202011111282.4A priority Critical patent/CN112240633B/en
Publication of CN112240633A publication Critical patent/CN112240633A/en
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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
    • 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
    • F24F11/70—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • 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)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application relates to the technical field of intelligent air conditioners and discloses a method and a device for controlling an air conditioner and the air conditioner. The method comprises the following steps: acquiring the current temperature and the current humidity in an air conditioning action area operated in a first working mode; under the condition that the current temperature is higher than a first set temperature value and the current humidity is lower than a first set humidity value, controlling an indoor fan of the air conditioner to operate at a preset maximum wind speed, and reducing the current operating frequency of an air conditioner compressor and operating according to a first preset rule; the current temperature is less than a second set temperature value, and the current humidity is greater than the second set humidity value, the compressor is controlled to operate at a preset maximum operating frequency, and the current wind speed of the indoor fan is reduced according to a second preset rule. Therefore, the cooling or dehumidifying efficiency of the air conditioner is improved, and the applicability and flexibility of the air conditioner for different regions are further improved.

Description

Method and device for controlling air conditioner and air conditioner
Technical Field
The present application relates to the field of intelligent air conditioner technology, and for example, to a method and an apparatus for air conditioner control, and an air conditioner.
Background
Air conditioners have been widely used as a common intelligent device for adjusting the temperature and humidity of an indoor environment. When the air conditioner operates in a refrigeration or dehumidification mode, the operating frequency of an air conditioner compressor can be determined and operated according to the difference value between the indoor temperature and the set temperature, and the operation of an indoor fan of the air conditioner is controlled according to the set air speed. However, there are many possibilities for indoor temperature and humidity, including: low temperature and high humidity in some areas, high temperature and high humidity in hot seasons in damp and hot areas, high temperature and low humidity in arid areas, and the like. And it is difficult to satisfy the temperature and humidity requirement of differentiation only according to the above-mentioned operation mode.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for controlling an air conditioner and the air conditioner, so as to solve the technical problem of low flexibility of air conditioner control.
In some embodiments, the method comprises:
acquiring the current temperature and the current humidity in an air conditioning action area operated in a first working mode;
under the condition that the current temperature is higher than a first set temperature value and the current humidity is lower than a first set humidity value, controlling an indoor fan of the air conditioner to operate at a preset maximum wind speed, and reducing the current operating frequency of an air conditioner compressor and operating according to a first preset rule;
under the condition that the current temperature is lower than a second set temperature value and the current humidity is higher than a second set humidity value, controlling the compressor to operate at a preset maximum operation frequency, and reducing the current wind speed of the indoor fan and operating according to a second preset rule;
the first set temperature value is greater than the second set temperature value, and the first set humidity value is smaller than the second set humidity value.
In some embodiments, the apparatus comprises:
the first acquisition module is configured to acquire the current temperature and the current humidity in the air conditioning action area operated in the first working mode;
the first control module is configured to control an indoor fan of the air conditioner to operate at a preset maximum wind speed under the condition that the current temperature is greater than a first set temperature value and the current humidity is less than a first set humidity value, and reduce the current operating frequency of the air conditioner compressor and operate according to a first preset rule;
the second control module is configured to control the compressor to operate at a preset maximum operation frequency and to reduce the current wind speed of the indoor fan and operate according to a second preset rule under the condition that the current temperature is less than a second set temperature value and the current humidity is greater than a second set humidity value;
the first set temperature value is greater than the second set temperature value, and the first set humidity value is smaller than the second set humidity value.
In some embodiments, the apparatus for air conditioning control includes a processor and a memory storing program instructions, the processor being configured to execute the above-described method for air conditioning control when executing the program instructions.
In some embodiments, the air conditioner comprises the device for controlling the air conditioner.
The method and the device for controlling the air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
different temperatures and humidity correspond different air conditioner control strategies, under the condition of high temperature and low humidity, the maximum air speed of the indoor fan can be kept to reduce the current operating frequency of the compressor, and under the condition of low temperature and high humidity, the maximum operating frequency of the compressor can be kept to reduce the current air speed of the indoor fan, so that larger cooling or dehumidifying amount is kept, the cooling or dehumidifying efficiency of the air conditioner is improved, and the flexibility is further improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic flowchart of a control method for an air conditioner according to an embodiment of the present disclosure;
FIG. 2-1 is a schematic flow chart diagram of a control method for an air conditioner according to an embodiment of the disclosure;
2-2 is a flow chart schematic diagram of a control method for an air conditioner provided by the embodiment of the disclosure;
fig. 3 is a schematic flowchart of a control method for an air conditioner according to an embodiment of the disclosure;
fig. 4 is a schematic structural diagram of an air conditioning control device according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an air conditioning control device according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
In the embodiment of the disclosure, in the process of refrigeration or dehumidification operation of the air conditioner, different temperatures and humidities correspond to different air conditioner control strategies, under the conditions of high temperature and low humidity, the maximum air speed of the indoor fan can be maintained to reduce the current operation frequency of the compressor, and under the conditions of low temperature and high humidity, the maximum operation frequency of the compressor can be maintained to reduce the current air speed of the indoor fan, so that a larger cooling amount or dehumidification amount is maintained, the cooling or dehumidification efficiency of the air conditioner is improved, and the applicability and flexibility of the air conditioner to different regions are further improved.
Fig. 1 is a schematic flowchart of a control method for an air conditioner according to an embodiment of the present disclosure. As shown in fig. 1, the process for air conditioning control includes:
step 101: and acquiring the current temperature and the current humidity in the air conditioning action area operated in the first working mode.
In the embodiment of the present disclosure, the first operating mode includes: a cooling mode or a dehumidification mode. In the refrigeration or dehumidification operation process of the air conditioner, the temperature and the humidity in an air conditioner action area, such as indoor temperature and humidity, can be collected in a timing or real-time mode, and the corresponding temperature and humidity during each collection are the current temperature and the current humidity respectively.
Step 102: and under the conditions that the current temperature is higher than a first set temperature value and the current humidity is lower than a first set humidity value, controlling an indoor fan of the air conditioner to operate at a preset maximum wind speed, and reducing the current operating frequency of an air conditioner compressor and operating according to a first preset rule.
In the embodiment of the present disclosure, the temperature and humidity condition of the area where the air conditioner is located may be determined according to the acquired current temperature and current humidity, and may include: high temperature and low humidity conditions, high temperature and high humidity conditions, low temperature and low humidity conditions, and the like. Wherein, can predetermine the first settlement temperature value that matches with high temperature, can be: 28 c, 29 c, 30 c, etc., the second set temperature value matching low temperature may be 24 c, 23 c, 22 c, etc., and the first set humidity value matching low humidity may be: 30%, 35%, 40%, etc., and a second set humidity value matching high humidity, which may be 65%, 70%, 75%, etc., it can be seen that in the disclosed embodiment, the first set temperature value is greater than the second set temperature value, and the first set humidity value is less than the second set humidity value. The range between the first set humidity value and the second set humidity value can be a comfortable humidity range.
If the current temperature is higher than the first set temperature value and the current humidity is lower than the first set humidity value, the high-temperature and low-humidity condition is indicated, at the moment, the temperature needs to be reduced, and the dehumidification capacity needs to be controlled, so that the indoor fan of the air conditioner can be controlled to operate at the preset maximum wind speed, and the current operating frequency of the air conditioner compressor is reduced and the air conditioner compressor operates according to a first preset rule.
In some embodiments, reducing the current operating frequency and operating of the air conditioner compressor comprises: acquiring the current surface temperature of an air conditioner evaporator; and under the condition that the current surface temperature is less than or equal to the dew point temperature in the action area, reducing the current running frequency of the compressor according to a first set rule, and controlling the running of the compressor according to the reduced current running frequency. I.e. the operating frequency of the compressor is reduced until no condensation water is produced by the evaporator.
A dew point temperature meter may be provided in the air conditioner, so that the dew point temperature can be obtained by the provided dew point temperature meter. Alternatively, the dew point temperature of the air conditioner is related to the temperature and humidity in the air conditioning operation area, and the corresponding relationship among the ambient temperature, the ambient humidity, and the dew point temperature may be preserved in advance. Therefore, the dew point temperature corresponding to the current temperature and the current humidity can be determined according to the stored corresponding relation.
When the current surface temperature is less than or equal to the dew point temperature in the action area, condensed water may be generated on the evaporator of the air conditioner, and at this time, the current surface temperature of the evaporator of the air conditioner may be gradually increased by decreasing the current operating frequency of the compressor, that is, the current operating frequency of the compressor of the air conditioner is decreased according to the first set rule. For example: updating 90% of the current operating frequency to the reduced current operating frequency. Or, when the first mode of the air conditioner is started, the corresponding operation frequency of the compressor is the preset maximum operation frequency, and before the first time of the operation frequency is reduced, the corresponding current operation frequency is the preset maximum operation frequency, so that the operation frequency can be reduced sequentially according to 90% → 80% → 70% … … of the preset maximum operation frequency each time, that is, the current operation frequency after each reduction can be respectively 90%, 80%, 70% and the like of the preset maximum operation frequency.
The current operating frequency of the compressor of the air conditioner is reduced to obtain the reduced current operating frequency, so that the first working mode of the air conditioner can be controlled to operate according to the reduced current operating frequency. Therefore, the running frequency of the compressor can be gradually reduced, the surface temperature of the air conditioner evaporator can be gradually increased, the probability that condensed water is generated on the evaporator is reduced, and therefore the humidity in an air conditioning action area can be improved. When the temperature of the front surface is higher than the dew point temperature, no condensed water is generated on the evaporator. In some embodiments, in case that the current surface temperature is greater than the dew point temperature, the cooling or dehumidifying operation of the air conditioner is controlled according to the current operation frequency, i.e., the operation frequency of the compressor does not need to be decreased any more.
In the process that the air conditioner reduces the current operating frequency of an air conditioner compressor, the maximum air speed of an indoor fan of the air conditioner is continuously kept to operate, and the cooling efficiency is accelerated.
Step 103: and under the conditions that the current temperature is lower than a second set temperature value and the current humidity is higher than a second set humidity value, controlling the compressor to operate at a preset maximum operation frequency, and reducing the current wind speed of the indoor fan and operating according to a second preset rule.
If the current temperature is lower than the second set temperature value and the current humidity is higher than the second set humidity value, the condition of low temperature and high humidity is indicated, at the moment, the temperature needs to be raised and the dehumidification needs to be increased, so that the compressor can be controlled to operate at the preset maximum operation frequency, and the current wind speed of the indoor fan is reduced and the indoor fan operates according to the second preset rule.
In some embodiments, reducing the current wind speed of the indoor fan and operating comprises: acquiring the current wind speed of an indoor fan; and under the condition that the current wind speed is greater than the preset minimum wind speed, reducing the current wind speed of the indoor fan according to a second preset rule, and controlling the operation of the indoor fan according to the reduced current wind speed. Namely, the air speed of the indoor fan is reduced until the preset lowest air speed, and the air conditioner does not give an alarm to the fan.
And under the condition that the current wind speed is greater than the preset minimum wind speed, the current wind speed on the surface can be reduced, and the current wind speed of the indoor fan can be reduced according to a second set rule. For example: updating 90% of the current wind speed to the reduced current wind speed. Or, when the first mode of the air conditioner is started, the wind speed of the corresponding indoor fan is the preset maximum wind speed, and before the first time of reduction, the corresponding current wind speed is the preset maximum wind speed, so that the wind speed can be reduced sequentially according to 90% → 80% → 70% … … of the preset maximum wind speed each time of reduction, that is, the current wind speed after each reduction can be respectively 90%, 80%, 70% and the like of the preset maximum wind speed until the preset minimum wind speed.
The current wind speed of an indoor fan of the air conditioner is reduced to obtain the reduced current wind speed, so that the first working mode of the air conditioner can be controlled to operate according to the reduced current wind speed. Therefore, the wind speed of the indoor fan can be gradually reduced, the maximum dehumidification capacity is kept, and therefore the humidity in the air conditioning action area can be reduced, and dehumidification is carried out. And in the process that the current wind speed of the indoor fan of the air conditioner is reduced by the air conditioner, the preset maximum operation frequency of the compressor of the air conditioner is continuously kept to operate, and the dehumidification and temperature rise efficiency is further improved.
It can be seen that, in this embodiment, the air conditioner is at the in-process of refrigeration or dehumidification operation, different temperature and humidity correspond different air conditioner control strategies, under the condition of high temperature low humidity, can keep the maximum wind speed of indoor fan and reduce the current operating frequency of compressor, and under the condition of low temperature high humidity, can keep the maximum operating frequency of compressor and reduce the current wind speed of indoor fan, like this, keep great cooling capacity or dehumidification volume, improved the efficiency that the air conditioner cooled or dehumidified, also further improved suitability and the flexibility to different regions.
Of course, according to the obtained current temperature and current humidity, the determined temperature and humidity condition of the area where the air conditioner is located may be: a high temperature and high humidity condition, a low temperature and low humidity condition, a condition of only high temperature but appropriate humidity, or a condition of only high humidity but appropriate temperature, etc.
Among them, under high temperature and high humidity conditions, for example: the current temperature is greater than 30 ℃, and current humidity is greater than 70%, and what the user experienced is stifled again hot, and when the target temperature difference in settlement temperature and the action zone was great, the appeal of user to the air conditioner was for the cooling to fall wet this moment, consequently, in some embodiments, the high apparent heat ratio state processing strategy of the cooling of selectable priority, wherein, the high apparent heat ratio state includes: the indoor fan is in a preset maximum wind speed state, and the compressor is in a preset maximum operating frequency state.
While high temperatures but humidity are suitable, for example: the current temperature is higher than 30 ℃, the current humidity is higher than or equal to 40% and lower than or equal to 70%, and similarly, a high apparent heat ratio state processing strategy with preferential cooling can be selected.
Therefore, in some embodiments, in the case that the current temperature is greater than the first set temperature value and the current humidity is greater than the second set humidity value, the air conditioner is controlled to operate in the high sensible heat ratio state, wherein the high sensible heat ratio state includes: the indoor fan is in a preset maximum wind speed state, and the compressor is in a preset maximum operating frequency state.
For the case of high temperature but proper humidity, after the running time of the air conditioner in the high sensible heat ratio state exceeds a certain time, the current temperature in the set area may have a great difference from the target temperature, but the current humidity may already be close to the lower limit of the comfortable humidity range, and at this time, the air conditioner cannot largely dehumidify any more. Of course, the specific process of reducing the current operating frequency and operating the air conditioner compressor may be as described in step 102 above, and will not be described repeatedly.
For the high temperature and high humidity condition, after the air conditioner is in the high sensible heat ratio state for a certain time, the current temperature in the setting area of the air conditioner may be close to the target temperature, but the humidity may not enter the comfortable humidity range, for example: 65% -40%, therefore, in some embodiments, in the case that it is determined that the operation time of the air conditioner in the high sensible heat ratio state exceeds the second set time, the current humidity is greater than the second humidity value, and the current temperature difference between the current temperature and the target temperature is greater than zero and less than the set temperature difference, the compressor is controlled to operate at the preset maximum operation frequency, and the current wind speed of the indoor fan is reduced and operated at the second preset law. Also, the specific process of reducing the current wind speed of the indoor fan and operating the indoor fan may be as described in step 103 above, and will not be described repeatedly.
For the high-temperature and high-humidity condition, after the running time of the air conditioner in the high sensible heat ratio state exceeds the second set time, the current temperature is close to the target temperature, the current humidity is also smaller than or equal to the second humidity value, at the moment, the current wind speed of the indoor fan does not need to be reduced, and at the moment, the indoor fan can be controlled to run at the first set wind speed. And under the condition of low temperature and high humidity, the compressor is controlled to operate at the preset maximum operation frequency, and the humidity of an air conditioning action area is also reduced after the current air speed of the indoor fan is reduced and the indoor fan operates according to a second preset rule.
The following operation flow is integrated into a specific embodiment to illustrate the air conditioning control process provided by the embodiment of the present invention.
In this embodiment, the first set temperature value is 28 ℃, the second set temperature value is 24 ℃, the first set humidity value is 40%, and the second set humidity value is 70%.
FIG. 2-1 is a schematic flow chart diagram of a control method for an air conditioner according to an embodiment of the disclosure; fig. 2-2 is a schematic flow chart of a control method for an air conditioner according to an embodiment of the disclosure. Referring to fig. 2-1 and 2-2, the process for air conditioning control includes:
step 201: and acquiring the current temperature and the current humidity in the action area of the air conditioner operated in the refrigeration or dehumidification working mode.
The current temperature and the current humidity in the air conditioning action area operated in the refrigeration or dehumidification mode can be obtained in a timing mode or in real time. Wherein the timing acquisition comprises: and reaching the set time, namely the current temperature and the current humidity in the air conditioning action area.
Step 202: is it judged whether or not the current temperature is greater than 28 ℃? If so, go to step 203, otherwise, go to step 209.
Step 203: is the current humidity less than 40%? If so, step 204, otherwise, go to step 208.
Step 204: controlling an indoor fan of the air conditioner to operate at a preset maximum wind speed, acquiring the current surface temperature of an evaporator of the air conditioner, and determining the dew point temperature corresponding to the current temperature and the current humidity.
The dew point temperature corresponding to the current temperature and the current humidity can be determined according to the stored corresponding relation among the environmental temperature, the humidity and the dew point temperature.
Step 205: is it determined whether the current surface temperature is less than or equal to the dew point temperature? If so, go to step 206, otherwise, go to step 207.
Step 206: and updating 90% of the current operating frequency to the reduced current operating frequency, and controlling the operation of the compressor according to the reduced current operating frequency. Returning to step 201.
The operating frequency of the compressor is decreased to 90% of the current operating frequency.
Step 207: and controlling the operation of the compressor according to the current operation frequency. Returning to step 201.
The operating frequency of the compressor does not need to be reduced any more and remains the current operating frequency.
Step 208: and controlling the air conditioner to operate in a high sensible heat ratio state. Returning to step 201.
The current temperature is higher than 28 ℃, the current temperature is higher than 40%, the air conditioner is controlled to operate in a high sensible heat ratio state, wherein the high sensible heat ratio state comprises: the indoor fan is in a preset maximum wind speed state, and the compressor is in a preset maximum operating frequency state.
Step 209: is the current temperature less than 24 ℃? If so, go to step 210, otherwise, go to step 216.
Step 210: is the current humidity greater than 70%? If so, go to step 211, otherwise, go to step 215.
Step 211: and controlling the compressor to operate at a preset maximum operation frequency, and acquiring the current wind speed of the indoor fan.
Step 212: is the current wind speed determined to be greater than a preset minimum wind speed? If so, go to step 213, otherwise, go to step 214.
Step 213: and reducing the current wind speed according to a rule of 90% → 80% → 70% … … of the preset maximum wind speed, and controlling the operation of the indoor fan according to the reduced current wind speed. Returning to step 201.
Step 214: and controlling the operation of the indoor fan according to the lowest wind speed. Returning to step 201.
Step 215: the indoor fan operates at a first set wind speed, and the compressor is controlled to operate at a first set frequency. Return to step 201
Step 216: and controlling the air conditioner to operate according to the current humidity. Return to step 201
In the related art, the operation of the air conditioner is controlled according to temperature and humidity.
It can be seen that, in this embodiment, the air conditioner is at the in-process of refrigeration or dehumidification operation, different temperature and humidity correspond different air conditioner control strategies, under the condition of high temperature low humidity, can keep the maximum wind speed of indoor fan and reduce the current operating frequency of compressor, and under the condition of low temperature high humidity, can keep the maximum operating frequency of compressor and reduce the current wind speed of indoor fan, like this, keep great cooling capacity or dehumidification volume, improved the efficiency that the air conditioner cooled or dehumidified, also further improved suitability and the flexibility to different regions.
In this embodiment, a humidity difference of 3 ℃ is set, a humidity difference of 5% is set, a first set humidity value is 35%, and a second set humidity value is 65%.
Fig. 3 is a schematic flowchart of a control method for an air conditioner according to an embodiment of the present disclosure. Referring to fig. 3, the process for air conditioning control includes:
step 301: and controlling the air conditioner to operate in a high sensible heat ratio state.
Under the conditions of high temperature and high humidity or high temperature and only humidity comfort, the air conditioner runs in a high apparent heat ratio state, namely, an indoor fan is in a preset maximum wind speed state, and a compressor is in a preset maximum running frequency state.
Step 302: and acquiring the current temperature and the current humidity in the air conditioning action area.
After the air conditioner runs for a period of time in the high sensible heat ratio state, in the embodiment, the first set time and the second set time can be the same and can be very short, so that the current temperature and the current humidity in the air conditioner action area can be acquired in real time or at regular time under the condition that the air conditioner is in the high sensible heat ratio state.
Step 303: is it determined that the current temperature difference between the current temperature and the target temperature is greater than 3? If so, go to step 304, otherwise, go to step 306.
After the high sensible heat ratio state is operated for a period of time, the temperature of the air conditioning active area is decreased, and then whether the temperature is close to the target temperature is judged, if not, step 304 can be executed, and if so, step 306 can be executed.
Step 304: is it determined whether the difference between the current humidity and 35% is greater than zero and less than 5%? If yes, go to step 305, otherwise, go back to step 301.
If the humidity has already solved the lower limit of the comfortable humidity range, step 305 is executed, otherwise, step 301 is returned to.
Step 305: and controlling an indoor fan of the air conditioner to run at a preset maximum wind speed, and reducing the current running frequency of an air conditioner compressor and running according to a first preset rule. Returning to step 302.
The process of reducing the current operating frequency of the air conditioner compressor and operating the air conditioner compressor according to the first preset rule is consistent with the steps in the embodiment and is not described in detail.
Step 306: is the current humidity greater than 65%? If yes, go to step 307, otherwise go to step 308.
If the current temperature is close to the target temperature but the humidity is still high, step 307 is performed.
Step 307: and controlling the compressor to run at a preset maximum running frequency, and reducing the current wind speed of the indoor fan and running according to a second preset rule. Returning to step 302.
The process of reducing the current wind speed of the indoor fan and running the indoor fan according to the second preset rule is consistent with the steps in the embodiment and is not described in a cumulated manner.
Step 308: the indoor fan is controlled to operate at a first set air speed, and the compressor is controlled to operate at a preset maximum operating frequency. Returning to step 302.
Therefore, in the embodiment, under the high temperature condition, after the air conditioner operates for a period of time in the state of high sensible heat ratio, when the humidity is low, the maximum wind speed of the indoor fan can be kept to reduce the current operating frequency of the compressor, and when the humidity is still high, the maximum operating frequency of the compressor can be kept to reduce the current wind speed of the indoor fan, so that a larger cooling amount or a larger dehumidification amount is kept, the cooling or dehumidifying efficiency of the air conditioner is improved, and the flexibility is further improved.
According to the above-described process for air conditioning control, an apparatus for air conditioning control can be constructed.
Fig. 4 is a schematic structural diagram of an air conditioning control device according to an embodiment of the present disclosure. As shown in fig. 4, the control device for an air conditioner includes: a first acquisition module 410, a first control module 420, and a second control module 430.
The first obtaining module 410 is configured to obtain a current temperature and a current humidity in the air-conditioning active area operated in the first operation mode.
The first control module 420 is configured to control the indoor fan of the air conditioner to operate at a preset maximum wind speed and to reduce the current operating frequency of the air conditioner compressor and operate according to a first preset rule when the current temperature is greater than a first set temperature value and the current humidity is less than a first set humidity value.
And a second control module 430 configured to control the compressor to operate at a preset maximum operation frequency and to reduce the current wind speed of the indoor fan and operate at a second preset rule under the condition that the current temperature is less than a second set temperature value and the current humidity is greater than a second set humidity value.
The first set temperature value is greater than the second set temperature value, and the first set humidity value is less than the second set humidity value.
In some embodiments, further comprising: the third control module is configured to control the air conditioner to operate in a high sensible heat ratio state under the conditions that the current temperature is greater than a first set temperature value and the current humidity is greater than or equal to a first set humidity value, wherein the high sensible heat ratio state comprises: the indoor fan is in a preset maximum wind speed state, and the compressor is in a preset maximum operating frequency state.
In some embodiments, the first control module 420 is further configured to, in the case that it is determined that the operation time of the air conditioner in the high sensible heat ratio state exceeds a first set time and a current humidity difference between the current humidity and a first set humidity value is greater than zero and less than the set humidity difference, control the indoor fan of the air conditioner to operate at a preset maximum wind speed, and reduce the current operation frequency of the air conditioner compressor and operate at a first preset law.
In some embodiments, the first control module 420 is specifically configured to obtain a current surface temperature of the air conditioner evaporator; and under the condition that the current surface temperature is less than or equal to the dew point temperature in the action area, reducing the current running frequency of the compressor according to a first set rule, and controlling the running of the compressor according to the reduced current running frequency.
In some embodiments, the second control module 430 is further configured to, in the case that it is determined that the operation time of the air conditioner in the high sensible heat ratio state exceeds a second set time, the current humidity is greater than a second humidity value, and the current temperature difference between the current temperature and the target temperature is greater than zero and less than the set temperature difference, control the compressor to operate at the preset maximum operation frequency, and reduce the current wind speed of the indoor fan and operate at a second preset law.
In some embodiments, the second control module 430 is specifically configured to obtain a current wind speed of the indoor fan; and under the condition that the current wind speed is greater than the preset minimum wind speed, reducing the current wind speed of the indoor fan according to a second preset rule, and controlling the operation of the indoor fan according to the reduced current wind speed.
In some embodiments, further comprising: and the fourth control module is configured to control the indoor fan to operate at the first set wind speed under the condition that the current humidity is less than or equal to the second set humidity value after the current wind speed of the indoor fan is reduced and the indoor fan operates according to the second preset rule.
In this embodiment, the air conditioner control device can adopt different air conditioner control strategies corresponding to different temperatures and humidities in the process of refrigeration or dehumidification operation of the air conditioner, and can maintain the maximum air speed of the indoor fan to reduce the current operation frequency of the compressor under the conditions of high temperature and low humidity, and can maintain the maximum operation frequency of the compressor to reduce the current air speed of the indoor fan under the conditions of low temperature and high humidity; under the condition of high temperature, after the air conditioner operates for a period of time in a high sensible heat ratio state, when the humidity is low, the maximum air speed of the indoor fan can be kept to reduce the current operating frequency of the compressor, and when the humidity is high, the maximum operating frequency of the compressor can be kept to reduce the current air speed of the indoor fan, so that a large cooling amount or a large dehumidifying amount is kept, the cooling or dehumidifying efficiency of the air conditioner is improved, and the applicability and the flexibility of the air conditioner for different regions are further improved.
An embodiment of the present disclosure provides an apparatus for controlling an air conditioner, which is configured as shown in fig. 5, and includes:
a processor (processor)1000 and a memory (memory)1001, and may further include a Communication Interface (Communication Interface)1002 and a bus 1003. The processor 1000, the communication interface 1002, and the memory 1001 may communicate with each other through the bus 1003. Communication interface 1002 may be used for the transfer of information. The processor 1000 may call logic instructions in the memory 1001 to perform the method for air conditioning control of the above-described embodiment.
In addition, the logic instructions in the memory 1001 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 1001 is a computer readable storage medium and can be used for storing software programs, computer executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 1000 executes functional applications and data processing by executing program instructions/modules stored in the memory 1001, that is, implements the method for air conditioning control in the above-described method embodiment.
The memory 1001 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal air conditioner, and the like. Further, the memory 1001 may include a high-speed random access memory and may also include a nonvolatile memory.
The embodiment of the present disclosure provides a control device for an air conditioner, including: a processor and a memory storing program instructions, the processor being configured to execute a method for air conditioning control when executing the program instructions.
The embodiment of the disclosure provides an air conditioner, which comprises the air conditioner control device.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for air conditioner control.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer-readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform the above-described method for air conditioning control.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions for enabling a computer air conditioner (which may be a personal computer, a server, or a network air conditioner, etc.) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the disclosed embodiments includes the full ambit of the claims, as well as all available equivalents of the claims. As used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the "first element" are renamed consistently and all occurrences of the "second element" are renamed consistently. The first and second elements are both elements, but may not be the same element. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or air conditioner that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, air conditioners, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (10)

1. A method for air conditioning control, comprising:
acquiring the current temperature and the current humidity in an air conditioning action area operated in a first working mode;
under the condition that the current temperature is higher than a first set temperature value and the current humidity is lower than a first set humidity value, controlling an indoor fan of the air conditioner to operate at a preset maximum wind speed, and reducing the current operating frequency of an air conditioner compressor and operating according to a first preset rule;
under the condition that the current temperature is lower than a second set temperature value and the current humidity is higher than a second set humidity value, controlling the compressor to operate at a preset maximum operation frequency, and reducing the current wind speed of the indoor fan and operating according to a second preset rule;
the first set temperature value is greater than the second set temperature value, and the first set humidity value is smaller than the second set humidity value.
2. The method of claim 1, further comprising:
the current temperature is greater than a first set temperature value, and the current humidity is greater than or equal to under the first set humidity value condition, control the air conditioner operates with high sensible heat ratio state, wherein, high sensible heat ratio state includes: the indoor fan is in the preset maximum wind speed state, and the compressor is in the preset maximum operating frequency state.
3. The method of claim 2, further comprising:
the air conditioner is determined to be in the running time of the high apparent heat ratio state exceeds first set time, and the current humidity difference value between the first set humidity values are larger than zero and smaller than the set humidity difference value, the indoor fan of the air conditioner is controlled to run at the preset maximum wind speed, and the current running frequency of the air conditioner compressor is reduced according to a first preset rule.
4. The method according to claim 1 or 3, wherein the reducing and operating the current operating frequency of the air conditioner compressor according to a first preset law comprises:
acquiring the current surface temperature of the air conditioner evaporator;
and under the condition that the current surface temperature is less than or equal to the dew point temperature in the action area, reducing the current running frequency of the compressor according to the first set rule, and controlling the running of the compressor according to the reduced current running frequency.
5. The method of claim 2, further comprising:
the air conditioner is determined to be in the running time of the high sensible heat ratio state exceeds second set time, the current humidity is greater than the second humidity value, and the current temperature difference between the current temperature and the target temperature is greater than zero and is less than the set temperature difference, the compressor is controlled to run with the preset maximum running frequency, and the second preset rule is used for reducing the current wind speed and running of the indoor fan.
6. The method according to claim 1 or 5, wherein the reducing and operating the current wind speed of the indoor fan according to the second preset rule comprises:
acquiring the current wind speed of the indoor fan;
and under the condition that the current wind speed is greater than the preset lowest wind speed, reducing the current wind speed of the indoor fan according to a second preset rule, and controlling the operation of the indoor fan according to the reduced current wind speed.
7. The method according to claim 1 or 5, wherein after the reducing the current wind speed of the indoor fan and the operating according to the second preset rule, the method comprises the following steps:
and controlling the indoor fan to operate at a first set wind speed under the condition that the current humidity is less than or equal to the second set humidity value.
8. An apparatus for air conditioning control, comprising:
the first acquisition module is configured to acquire the current temperature and the current humidity in the air conditioning action area operated in the first working mode;
the first control module is configured to control an indoor fan of the air conditioner to operate at a preset maximum wind speed under the condition that the current temperature is greater than a first set temperature value and the current humidity is less than a first set humidity value, and reduce the current operating frequency of the air conditioner compressor and operate according to a first preset rule;
the second control module is configured to control the compressor to operate at a preset maximum operation frequency and to reduce the current wind speed of the indoor fan and operate according to a second preset rule under the condition that the current temperature is less than a second set temperature value and the current humidity is greater than a second set humidity value;
the first set temperature value is greater than the second set temperature value, and the first set humidity value is smaller than the second set humidity value.
9. An apparatus for air conditioning control, the apparatus comprising a processor and a memory having stored thereon program instructions, wherein the processor is configured to perform the method for air conditioning control of any of claims 1 to 7 when executing the program instructions.
10. An air conditioner, comprising: the apparatus for air conditioning control as claimed in claim 8 or 9.
CN202011111282.4A 2020-10-16 2020-10-16 Method and device for controlling air conditioner and air conditioner Active CN112240633B (en)

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