CN116241979A - Air conditioner control method and device, air conditioner and storage medium - Google Patents
Air conditioner control method and device, air conditioner and storage medium Download PDFInfo
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- CN116241979A CN116241979A CN202310261646.4A CN202310261646A CN116241979A CN 116241979 A CN116241979 A CN 116241979A CN 202310261646 A CN202310261646 A CN 202310261646A CN 116241979 A CN116241979 A CN 116241979A
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- 238000000034 method Methods 0.000 title claims abstract description 87
- 239000003507 refrigerant Substances 0.000 claims abstract description 239
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- 238000009434 installation Methods 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
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- 238000001514 detection method Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- KLDZYURQCUYZBL-UHFFFAOYSA-N 2-[3-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound OC1=CC=CC=C1C=NCCCN=CC1=CC=CC=C1O KLDZYURQCUYZBL-UHFFFAOYSA-N 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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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- 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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Abstract
The embodiment of the invention relates to an air conditioner control method, an air conditioner control device, an air conditioner and a storage medium, wherein the method comprises the following steps: acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned in the running process of the air conditioner; under the condition that the refrigerant in the air conditioner leaks according to the refrigerant concentration, determining the leakage level corresponding to the refrigerant according to the refrigerant concentration; and controlling a fresh air device in the air conditioner according to the leakage grade. Therefore, the embodiment of the invention monitors the concentration of the refrigerant in the indoor environment where the air conditioner is positioned in real time, and controls the fresh air device in the air conditioner to work according to the determined leakage level under the condition that the refrigerant leaks so as to reduce the content of the refrigerant in the indoor environment, thereby ensuring the physical health of users in the indoor environment.
Description
Technical Field
The embodiment of the invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device, an air conditioner and a storage medium.
Background
With the continuous improvement of the life quality of people, the air conditioner becomes one of the indispensable household appliances of the household, and in severe summer weather, the air conditioner brings cool and refreshing to people, and in severe cold weather, the air conditioner brings warmth to people. In the use process of the air conditioner, the refrigerant is used as a carrier for energy transmission of the air conditioner and flows in a closed loop pipeline so as to realize the exchange of ambient cold and hot temperatures. However, when the air conditioner operates for a long time, the phenomenon of refrigerant leakage occurs due to fatigue operation or damage of the pipeline, and the refrigerant is decomposed into toxic gas in the air, so that the body health of a user can be influenced after the user inhales the toxic gas.
Disclosure of Invention
In view of this, in order to solve the technical problem that the physical health of a user is affected due to refrigerant leakage in the current air conditioner operation process, the embodiment of the invention provides an air conditioner control method, an air conditioner control device, an air conditioner and a storage medium.
In a first aspect, an embodiment of the present invention provides an air conditioner control method, including:
acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned in the running process of the air conditioner;
under the condition that the refrigerant in the air conditioner leaks according to the refrigerant concentration, determining the leakage level corresponding to the refrigerant according to the refrigerant concentration;
and controlling a fresh air device in the air conditioner according to the leakage grade.
In an optional embodiment, the controlling the fresh air device in the air conditioner according to the leakage level includes:
determining the corresponding rotating speed of a fresh air device in the air conditioner according to the leakage grade; wherein, the higher the refrigerant concentration, the higher the leakage level corresponding to the refrigerant concentration; the higher the leakage level, the higher the rotational speed corresponding to the leakage level;
controlling the opening of the fresh air device; the method comprises the steps of,
and after the fresh air device is controlled to be started, controlling the fresh air device to operate according to the rotating speed.
In an optional embodiment, the acquiring the refrigerant concentration of the indoor environment where the air conditioner is located includes:
determining the installation position of a cooling sensor in an air conditioner;
determining the rotation position of an air deflector in the air conditioner according to the installation position;
and controlling the air deflector to rotate according to the rotating position so as to obtain the refrigerant concentration of the indoor environment where the air conditioner is positioned.
In an alternative embodiment, the method further comprises:
when the leakage level is the highest leakage level, controlling a compressor in the air conditioner to be started; the method comprises the steps of,
after the compressor is controlled to be started, the compressor is controlled to run according to a preset frequency; the method comprises the steps of,
controlling the opening of the electronic expansion valve in the air conditioner to a preset opening to recover the refrigerant of the air conditioner pipeline in the air conditioner into the compressor, wherein the preset opening is used for representing the minimum opening allowed by the electronic expansion valve.
In an alternative embodiment, the method further comprises:
acquiring a first operation time length of the compressor in the process of recovering a refrigerant of an air conditioning pipeline in the air conditioner into the compressor;
when the first operation time length is determined to reach a first preset time length, controlling an air suction valve in the compressor to be closed; the method comprises the steps of,
and controlling the compressor to stop running.
In an alternative embodiment, after performing the step of controlling the fresh air device to operate at the rotational speed, the method further includes:
determining a second preset time length corresponding to the fresh air device according to the leakage grade;
acquiring a second operation time length of the fresh air device;
when the second operation duration is determined to reach the second preset duration, returning to execute the step of acquiring the refrigerant concentration of the indoor environment where the air conditioner is located;
after determining the leakage level corresponding to the refrigerant concentration, when the leakage level corresponding to the refrigerant concentration is not the highest leakage level, upgrading the leakage level corresponding to the refrigerant concentration to finish updating the leakage level corresponding to the refrigerant concentration;
and controlling a fresh air device in the air conditioner according to the leakage level, including:
and controlling a fresh air device in the air conditioner by utilizing the updated leakage grade corresponding to the refrigerant concentration.
In an alternative embodiment, the method further comprises:
when the leakage level is the highest leakage level, an alarm prompt is carried out through an alarm device in the air conditioner; and/or the number of the groups of groups,
generating fault prompt information when the leakage level is the highest leakage level;
and pushing the fault prompt information to a target terminal.
In a second aspect, an embodiment of the present invention provides an air conditioner control device, including:
the acquisition module is used for acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned in the running process of the air conditioner;
the determining module is used for determining the leakage grade corresponding to the refrigerant according to the refrigerant concentration under the condition that the refrigerant in the air conditioner is determined to leak according to the refrigerant concentration;
and the control module is used for controlling the fresh air device in the air conditioner according to the leakage grade.
In a third aspect, an embodiment of the present invention provides an air conditioner, including: the air conditioner control device comprises a processor and a memory, wherein the processor is used for executing an air conditioner control program stored in the memory so as to realize the air conditioner control method.
In a fourth aspect, an embodiment of the present invention provides a storage medium storing one or more programs executable by one or more processors to implement the air conditioner control method as described above.
The air conditioner control method provided by the embodiment of the invention comprises the following steps: acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned in the running process of the air conditioner; under the condition that the refrigerant in the air conditioner leaks according to the refrigerant concentration, determining the leakage level corresponding to the refrigerant according to the refrigerant concentration; and controlling a fresh air device in the air conditioner according to the leakage grade. Through the mode, the embodiment of the invention monitors the concentration of the refrigerant in the indoor environment where the air conditioner is located in real time, and controls the fresh air device in the air conditioner to work according to the determined leakage level under the condition that the refrigerant leaks, so that the content of the refrigerant in the indoor environment is reduced, and the physical health of a user in the indoor environment is ensured.
Drawings
Fig. 1 is a schematic flow chart of an air conditioner control method according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of another air conditioner control method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an air conditioner control device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention;
in the above figures:
10. an acquisition module; 20. a determining module; 30. a control module;
400. an electronic device; 401. a processor; 402. a memory; 4021. an operating system; 4022. an application program; 403. a user interface; 404. a network interface; 405. a bus system.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
For the purpose of facilitating an understanding of the embodiments of the present invention, reference will now be made to the following description of specific embodiments, taken in conjunction with the accompanying drawings, which are not intended to limit the embodiments of the invention.
Referring to fig. 1, fig. 1 is a flow chart of an air conditioner control method according to an embodiment of the present invention. The air conditioner control method provided by the embodiment of the invention comprises the following steps:
s101: and in the running process of the air conditioner, acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned.
In this embodiment, a refrigerant sensor is disposed on the air conditioner, where the refrigerant sensor is used to collect the refrigerant concentration of the indoor environment where the air conditioner is located during the operation of the air conditioner. After the air conditioner is started, in order to rapidly judge whether the refrigerant in the air conditioner leaks or not, the upper and lower air deflectors or the left and right air deflectors of the air conditioner are controlled to work for performing refrigerant detection action within a third preset time period when the air conditioner is started, so that the refrigerant concentration of the indoor environment where the air conditioner is positioned is obtained. Specifically, the method for obtaining the refrigerant concentration of the indoor environment where the air conditioner is located comprises the following steps:
determining the installation position of a cooling sensor in an air conditioner;
determining the rotation position of an air deflector in the air conditioner according to the installation position;
and controlling the air deflector to rotate according to the rotating position so as to obtain the refrigerant concentration of the indoor environment where the air conditioner is positioned.
When the refrigerant sensor is arranged at the position of the air inlet of the air conditioner, the upward angle of the upper air deflector and the lower air deflector is controlled to be the maximum angle alpha. When the refrigerant sensor is arranged at the upper left position of the air conditioner, the left and right air deflectors are controlled to be left in angle, so that the left and right air deflectors point to the refrigerant sensor. The third preset duration may be set according to actual needs, and in this embodiment, a specific value of the third preset duration is not limited, and in order to ensure use experience of a user, the third preset duration may be 1min in this embodiment. After the air conditioner is started for a third preset time period, the upper and lower air deflectors or the left and right air deflectors of the air conditioner operate according to a mode or a default angle set by a user.
S102: under the condition that the refrigerant leakage in the air conditioner is determined according to the refrigerant concentration, determining the leakage grade corresponding to the refrigerant according to the refrigerant concentration.
In this embodiment, determining whether the refrigerant in the air conditioner leaks is determined according to the obtained refrigerant concentration, and when the obtained refrigerant concentration is greater than a preset concentration, it is determined that the refrigerant in the air conditioner leaks, whereas when the obtained refrigerant concentration is less than or equal to the preset concentration, it is determined that the refrigerant in the air conditioner does not leak. In order to ensure the accuracy of the determination result of the refrigerant leakage in the air conditioner, the refrigerant concentration is obtained once when the air conditioner is started, and then the refrigerant concentration is obtained once every fourth preset time. The fourth preset duration may be set according to actual needs, and in this embodiment, a specific numerical value of the fourth preset duration is not limited, and in this embodiment, the fourth preset duration may be 30s. Determining the average refrigerant concentration corresponding to the refrigerant concentration of the continuous first preset times, determining that the refrigerant in the air conditioner leaks when the average refrigerant concentration is larger than the preset refrigerant concentration, otherwise, determining that the refrigerant in the air conditioner does not leak when the average refrigerant concentration is smaller than or equal to the preset refrigerant concentration. The first preset times can be set according to actual needs, and specific numerical values of the first preset times are not limited in this embodiment. The first preset number of times may be three times, for example.
Specifically, since the air conditioner stores the correspondence between the preset refrigerant concentration section and the level of leakage, when it is determined that the refrigerant in the air conditioner leaks, the target refrigerant concentration section to which the refrigerant concentration belongs can be determined from the refrigerant concentration, and the leakage level corresponding to the target refrigerant concentration section can be determined from the correspondence stored in the air conditioner. More specifically, according to the refrigerant concentration, the leakage level corresponding to the refrigerant can be determined by the following method:
determining a target refrigerant concentration interval to which the refrigerant concentration belongs;
and determining the leakage grade corresponding to the target refrigerant concentration interval from the first association relation, wherein the first association relation stores the correspondence between a plurality of groups of refrigerant concentration intervals and the leakage grade.
In the above, the leakage level increases with the increase of the refrigerant concentration corresponding to the refrigerant concentration section, and the refrigerant concentration section may be divided according to actual needs, and the manner of dividing the refrigerant concentration section is not limited in this embodiment.
S103: and controlling a fresh air device in the air conditioner according to the leakage grade.
In this embodiment, after determining that the refrigerant in the air conditioner leaks and determining the leakage level corresponding to the refrigerant, the fresh air device in the air conditioner may be controlled to operate, and the refrigerant in the indoor environment is taken away through the operation of the fresh air device, so as to reduce the concentration of the refrigerant in the indoor environment, and ensure the physical health of the user in the indoor environment.
Specifically, in step S103, the control of the fresh air device in the air conditioner according to the leakage level includes:
determining the corresponding rotating speed of a fresh air device in the air conditioner according to the leakage grade; wherein, the higher the refrigerant concentration, the higher the leakage level corresponding to the refrigerant concentration; the higher the leakage level, the higher the corresponding rotational speed of the leakage level;
controlling the opening of the fresh air device; the method comprises the steps of,
after the fresh air device is controlled to be started, the fresh air device is controlled to operate according to the rotating speed.
In this embodiment, for different leakage levels, the rotational speed of the fresh air device in the corresponding air conditioner is preset, and the higher the leakage level is, the more refrigerant leaked by the air conditioner is represented, so the rotational speed of the fresh air device in the air conditioner needs to be increased, and the concentration of the refrigerant in the indoor environment can be timely reduced.
Wherein, above-mentioned well control new trend device is according to rotational speed operation, includes:
when the leakage level is the first leakage level, controlling the fresh air device to operate at a first rotating speed; or alternatively, the first and second heat exchangers may be,
when the leakage level is the second leakage level, controlling the fresh air device to operate according to a second rotating speed, wherein the second leakage level is higher than the first leakage level, and the second rotating speed is higher than the first rotating speed; or alternatively, the first and second heat exchangers may be,
when the leakage level is the third leakage level, the fresh air device is controlled to operate according to the third rotating speed, the third leakage level is higher than the second leakage level, and the third rotating speed is higher than the second rotating speed.
Specifically, the first rotation speed, the second rotation speed, and the third rotation speed may be set according to actual needs. Specific values of the first rotation speed, the second rotation speed, and the third rotation speed are not limited in this embodiment. The first rotation speed, the second rotation speed, and the third rotation speed need to be ensured to increase with the increase of the leak level. For example, the first rotational speed may be 600 revolutions, the second rotational speed may be 900 revolutions, and the third rotational speed may be 1200 revolutions.
More specifically, when the leakage level is the first leakage level (the lowest leakage level), the refrigerant in the air conditioner is judged to be low-dose leakage, the fresh air device in the air conditioner is controlled to be started at the moment, and after the fresh air device is started, the fresh air device is controlled to operate at the first rotation speed, and the concentration of the refrigerant in the indoor environment is reduced by flowing indoor air and outdoor air. When the leakage level is the second leakage level (middle leakage level), the refrigerant in the air conditioner is judged to be medium-dose leakage, a fresh air device in the air conditioner is controlled to be started at the moment, and after the fresh air device is started, the fresh air device is controlled to operate according to the second rotating speed and flow through the indoor air conditioner and the outdoor air conditioner so as to reduce the concentration of the refrigerant in the indoor environment. When the leakage level is the third leakage level (the highest leakage level), the refrigerant in the air conditioner is judged to be leaked in a large amount, a fresh air device in the air conditioner is controlled to be started at the moment, and after the fresh air device is started, the fresh air device is controlled to operate according to the second rotating speed, and the concentration of the refrigerant in the indoor environment is reduced by flowing indoor air and outdoor air.
In this embodiment, in order to reduce the waste of the refrigerant when the refrigerant in the air conditioner leaks, when the determined leakage level is the third leakage level (the highest leakage level), the air conditioner control method provided in this embodiment further includes the following steps:
when the leakage level is the highest leakage level, controlling a compressor in the air conditioner to be started; the method comprises the steps of,
after the compressor is controlled to be started, the compressor is controlled to operate according to a preset frequency; the method comprises the steps of,
controlling the opening of the electronic expansion valve in the air conditioner to a preset opening to recover the refrigerant of the air conditioner pipeline in the air conditioner into the compressor, wherein the preset opening is used for representing the minimum opening allowed by the electronic expansion valve.
In the above, the preset frequency of the compressor may be set according to actual needs, and specific values of the compressor are not limited in this embodiment. For example, the preset frequency of the compressor may be 60Hz and the preset opening degree of the electronic expansion valve may be 0 degrees. In the working process of the fresh air device in the air conditioner, the compressor can be controlled to work, and the electronic expansion valve is controlled to be closed, so that the air suction valve of the compressor is normally open in the working process of the compressor, and the refrigerant in the air pipeline can enter the compression cavity of the compressor through the air suction valve.
Specifically, after the refrigerant in the air conditioning pipeline has been recovered, if the refrigerant is continuously recovered, the high pressure of the exhaust pipe of the compressor is caused, so that the high pressure protection fault of the compressor occurs, and in order to prevent the occurrence of the problem, the air conditioning control method provided by the embodiment further comprises the following steps:
acquiring a first operation time length of a compressor in the process of recovering a refrigerant of an air conditioning pipeline in an air conditioner into the compressor;
when the first operation time length is determined to reach a first preset time length, controlling an air suction valve in the compressor to be closed; the method comprises the steps of,
and controlling the compressor to stop running.
Specifically, the first preset duration may be set according to actual needs, and in this embodiment, a specific numerical value of the first preset duration is not limited. For example, the first preset duration may be 5 minutes. When the first operation time length reaches a first preset time length, the completion of refrigerant recovery in the air conditioner pipeline is indicated, and at the moment, the suction valve can be controlled to be closed and the compressor can be controlled to stop operation, so that the recovered refrigerant is locked in the compressor cavity. When the first operation duration is determined to not reach the first preset duration, the step of obtaining the first operation duration of the compressor may be performed in a returning manner until the first operation duration is finally determined to reach the first preset duration.
In this embodiment, when the leakage level is the third leakage level (the highest leakage level), in order to enable related personnel to know the fault of the air conditioner in time, the air conditioner control method provided in this embodiment further includes the following steps:
when the leakage level is the highest leakage level, alarming and prompting are carried out through an alarming device in the air conditioner; and/or the number of the groups of groups,
generating fault prompt information when the leakage level is the highest leakage level;
and pushing the fault prompt information to the target terminal.
Specifically, the alarm device in the air conditioner can be a voice device or an audible and visual device, and when the alarm device is a voice device, voice alarm prompt can be carried out through the voice device; when the alarm device is an audible and visual device, audible and visual alarm prompt can be carried out through the audible and visual device. The target terminal can be a mobile phone terminal or a computer terminal, and is connected with the air conditioner so as to push the fault prompt information to the target terminal after the air conditioner generates the fault prompt information.
In this embodiment, after the compressor is controlled to operate according to the leakage level and the rotation speed corresponding to the leakage level, it may be determined whether the refrigerant concentration in the indoor environment is reduced by the operation of the fresh air device by the following manner, which is specifically as follows:
determining a second preset time length corresponding to the fresh air device according to the leakage grade;
acquiring a second operation time length of the fresh air device;
returning to the step of executing the refrigerant concentration step of acquiring the indoor environment where the air conditioner is located in the step S101 when the second operation time length is determined to reach the second preset time length;
after the leakage grade corresponding to the refrigerant concentration is determined, when the leakage grade corresponding to the refrigerant concentration is not the highest leakage grade, upgrading the leakage grade corresponding to the refrigerant concentration,
so as to complete the updating of the leakage level corresponding to the refrigerant concentration.
Specifically, a second preset duration corresponding to different leakage levels is preset and stored in the air conditioner, and the second preset duration is used for representing the duration that the fresh air device can operate each time under different leakage levels. The second preset duration may be set according to actual needs, and in this embodiment, a specific numerical value of the second preset duration is not limited. It should be noted that the second preset time periods corresponding to the different leakage levels need to be increased along with the increase of the leakage levels, that is, the second preset time period corresponding to the third leakage level is the largest, the second preset time period corresponding to the first leakage level is the smallest, and the second preset time period corresponding to the second leakage level is between the second preset time period corresponding to the first leakage level and the second preset time period corresponding to the third leakage level.
More specifically, when the second operation time length of the obtained fresh air device reaches the second preset time length, the control of the primary fresh air device is finished. And returning to the step S101 to control the circulating refrigerant. When the circulating refrigerant is controlled, firstly, when the concentration of the refrigerant in the indoor environment is low, the fresh air device is controlled to stop running; secondly, when the concentration of the refrigerant in the indoor environment is still too high, the fresh air device is continuously controlled to work so as to quickly reduce the concentration of the refrigerant in the indoor environment. After returning to step S101, if it is determined that the refrigerant in the air conditioner does not leak according to the obtained refrigerant concentration (at this time, it indicates that the refrigerant concentration in the indoor environment has been reduced by the fresh air device), the fresh air device is controlled to stop operating. When it is determined that the refrigerant in the air conditioner leaks according to the acquired refrigerant concentration, a leak level corresponding to the refrigerant is determined according to the refrigerant concentration, and when the leak level is not the highest leak level (i.e., the third leak level), the leak level is updated by using a leak level higher than the leak level. That is, for example, when the leak level is the first leak level, the first leak level is updated with the second leak level, when the leak level is the second leak level, the second leak level is updated with the third leak level, and when the leak level is the third leak level, since the third leak level is the highest leak level, the third leak level does not need to be updated. When the circulating refrigerant control is performed, if the refrigerant recovery control is completed before, it is not necessary to perform the refrigerant recovery control after determining that the leak level is the third leak level.
In the above-mentioned, in order to ensure the accuracy of control in the control process of the circulating refrigerant, it can be determined that the refrigerant in the air conditioner is not leaked by the following method, specifically as follows;
acquiring the refrigerant concentration of the indoor environment continuously for a second preset number of times;
determining the average refrigerant concentration of the second preset times;
when the average refrigerant concentration is smaller than or equal to the preset refrigerant concentration, determining that the refrigerant in the air conditioner is not leaked.
The second preset times can be set according to actual needs, and specific numerical values of the second preset times are not limited in this embodiment. The second preset number of times may be six times, for example. When the leakage level determined by the air conditioner control comprises a third leakage level, and the circulating refrigerant control determines that the refrigerant in the air conditioner is not leaked, the suction valve of the compressor is controlled to be opened, and the air conditioner works according to the working mode set by the air conditioner.
In this embodiment, after updating the leakage level corresponding to the refrigerant concentration, in step S103, the fresh air device in the air conditioner is controlled according to the leakage level, including:
and controlling a fresh air device in the air conditioner by utilizing the leakage grade corresponding to the updated refrigerant concentration.
Specifically, in the circulating refrigerant control process, after updating the leakage level corresponding to the refrigerant concentration is completed, determining the rotation speed of the fresh air device corresponding to the updated leakage level, and controlling the fresh air device to operate according to the rotation speed.
According to the air conditioner control method provided by the embodiment of the invention, the concentration of the refrigerant in the indoor environment where the air conditioner is located is monitored in real time, and the fresh air device in the air conditioner is controlled to work according to the determined leakage level under the condition that the refrigerant leaks, so that the content of the refrigerant in the indoor environment is reduced, and the physical health of a user in the indoor environment is ensured.
Referring to fig. 2, the following describes an overall flow of controlling the air conditioner in the case of leakage of the refrigerant in the air conditioner, specifically as follows:
the air conditioner is powered on and started, the fresh air device is started within 1min, the air conditioner performs refrigerant detection actions on the upper air deflector, the lower air deflector, the left air deflector and the right air deflector, and after the fresh air device is started for 1min, the air deflector operates according to the set operation of the remote controller or the default angle operation.
The refrigerant sensor detects the refrigerant concentration for the first time when the fresh air device is started, and detects every 30 seconds, when the average refrigerant concentration N detected for 3 times is larger than N0, the refrigerant leakage is judged, and when the average refrigerant concentration N detected for 3 times is smaller than or equal to N0, the refrigerant is judged not to be leaked.
And (3) performing grade judgment through the average concentration of 3 adjacent refrigerant leaks, wherein the grade is divided into three grades U1, U2 and U3, and the grade corresponds to a low-to-high section of the refrigerant concentration respectively, namely U1 is less than U2 and less than U3.
When the concentration N of the refrigerant is detected to correspond to the U1 level, the low-dose leakage is judged, a fresh air device in the air conditioner is started at the moment, the gear of the fresh air device is F1, and the concentration of the refrigerant in a room is reduced through indoor and outdoor air flowing. After the U1 level runs for T1 time, the refrigerant concentration is re-judged, and when N is detected to be less than or equal to N0, refrigerant leakage control is stopped; when N > N0 is detected, the circulating refrigerant control is performed.
When the concentration N of the refrigerant is detected to correspond to the U2 level, the medium dose leakage is judged, a fresh air device in the air conditioner is started at the moment, the gear of the fresh air device is F2, and the concentration of the refrigerant in a room is reduced through indoor and outdoor air flowing. After the U2 level runs for T2 time, the refrigerant concentration value is re-judged, and when N is detected to be less than or equal to N0, refrigerant leakage control is stopped; when N > N0 is detected, the circulating refrigerant control is performed.
When the concentration N of the refrigerant is detected to correspond to the U3 level, the large-dose leakage is judged, a fresh air device in the air conditioner is started at the moment, the gear of the fresh air device is F3, and the concentration of the refrigerant in a room is reduced through indoor and outdoor air flowing. Meanwhile, the air conditioner starts refrigerant recovery control, the compressor is started to run, the frequency is set to be M, the opening of the electronic expansion valve is P0 (closed to the minimum), after the running time of the compressor is T4, the air suction valve is closed (the air suction valve is a normally open device and is opened again after a refrigerant leakage mark is cleared after the air suction valve is closed), the refrigerant recovery control is suspended, the compressor is stopped (in U3 level, fluorine collection control is only carried out for 1 time, and when the next circulation is U3 level, fluorine collection operation is not needed). After the U3 level runs for T3 time, the refrigerant concentration is re-judged, and when N is detected to be less than or equal to N0, refrigerant leakage control is stopped, and corresponding refrigerant leakage faults are prompted; when N > N0 is detected, the circulating refrigerant control is performed.
In the control process of the circulating refrigerant, when the refrigerant N is detected to be larger than N0 again, the corresponding grade judgment of the refrigerant concentration is carried out, the grade is UX, and when the circulating refrigerant is controlled next time, the grade judgment is carried out by utilizing UX+1. (i.e., when N is determined to be U1 level, the next round of circulating refrigerant leakage control performs U2 level operation, and umax=u3).
When the average refrigerant concentration N is less than or equal to N0 and is detected continuously for 6 times, the room refrigerant content is judged to be not out of standard, the fresh air device is controlled to stop running, after the U3 grade is determined, the refrigerant leakage mark is automatically cleared, and meanwhile, the air suction valve is controlled to be opened.
Referring to fig. 3, fig. 3 is a schematic structural diagram of an air conditioner control device according to an embodiment of the present invention. An air conditioner control device provided by an embodiment of the present invention includes: the device comprises an acquisition module 10, a determination module 20 and a control module 30. The acquisition module 10 is used for acquiring the refrigerant concentration of the indoor environment where the air conditioner is located in the running process of the air conditioner; the determining module 20 is configured to determine, according to the refrigerant concentration, a leakage level corresponding to the refrigerant when it is determined that the refrigerant in the air conditioner leaks according to the refrigerant concentration; and the control module 30 is used for controlling the fresh air device in the air conditioner according to the leakage grade.
In this embodiment, the control module 30 is further configured to:
determining the corresponding rotating speed of a fresh air device in the air conditioner according to the leakage grade; wherein, the higher the refrigerant concentration, the higher the leakage level corresponding to the refrigerant concentration; the higher the leakage level, the higher the rotational speed corresponding to the leakage level;
controlling the opening of the fresh air device; the method comprises the steps of,
and after the fresh air device is controlled to be started, controlling the fresh air device to operate according to the rotating speed.
In this embodiment, the obtaining module 10 is further configured to:
determining the installation position of a cooling sensor in an air conditioner;
determining the rotation position of an air deflector in the air conditioner according to the installation position;
and controlling the air deflector to rotate according to the rotating position so as to obtain the refrigerant concentration of the indoor environment where the air conditioner is positioned.
In the present embodiment, the control module 30 is further configured to:
when the leakage level is the highest leakage level, controlling a compressor in the air conditioner to be started; the method comprises the steps of,
after the compressor is controlled to be started, the compressor is controlled to run according to a preset frequency; the method comprises the steps of,
controlling the opening of the electronic expansion valve in the air conditioner to a preset opening to recover the refrigerant of the air conditioner pipeline in the air conditioner into the compressor, wherein the preset opening is used for representing the minimum opening allowed by the electronic expansion valve.
In this embodiment, the control module 30 is further configured to:
acquiring a first operation time length of the compressor in the process of recovering a refrigerant of an air conditioning pipeline in the air conditioner into the compressor;
when the first operation time length is determined to reach a first preset time length, controlling an air suction valve in the compressor to be closed; the method comprises the steps of,
and controlling the compressor to stop running.
The air conditioner control device provided in this embodiment further includes: the updating module is used for:
determining a second preset time length corresponding to the fresh air device according to the leakage grade;
acquiring a second operation time length of the fresh air device;
when the second operation duration is determined to reach the second preset duration, returning to execute the step of acquiring the refrigerant concentration of the indoor environment where the air conditioner is located;
after determining the leakage level corresponding to the refrigerant concentration, when the leakage level corresponding to the refrigerant concentration is not the highest leakage level, upgrading the leakage level corresponding to the refrigerant concentration to finish updating the leakage level corresponding to the refrigerant concentration.
In this embodiment, the control module 30 is further configured to:
and controlling a fresh air device in the air conditioner by utilizing the updated leakage grade corresponding to the refrigerant concentration.
The air conditioner control device provided in this embodiment further includes: the fault prompting module is used for:
when the leakage level is the highest leakage level, an alarm prompt is carried out through an alarm device in the air conditioner; and/or the number of the groups of groups,
generating fault prompt information when the leakage level is the highest leakage level;
and pushing the fault prompt information to a target terminal.
According to the air conditioner control device, the concentration of the refrigerant in the indoor environment where the air conditioner is located is monitored in real time, and the fresh air device in the air conditioner is controlled to work according to the determined leakage level under the condition that the refrigerant leaks, so that the content of the refrigerant in the indoor environment is reduced, and the physical health of a user in the indoor environment is guaranteed.
Fig. 4 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention, and an air conditioner 400 shown in fig. 4 includes: at least one processor 401, memory 402, at least one network interface 404, and other user interfaces 403. The various components in air conditioner 400 are coupled together by bus system 405. It is understood that the bus system 405 is used to enable connected communications between these components. The bus system 405 includes a power bus, a control bus, and a status signal bus in addition to a data bus. But for clarity of illustration the various buses are labeled as bus system 405 in fig. 4.
The user interface 403 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen), etc.
It will be appreciated that the memory 402 in embodiments of the invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The nonvolatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable EPROM (EEPROM), or a flash Memory. The volatile memory may be random access memory (Random Access Memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (Double Data Rate SDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), and Direct memory bus RAM (DRRAM). The memory 402 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
In some implementations, the memory 402 stores the following elements, executable units or data structures, or a subset thereof, or an extended set thereof: an operating system 4021 and application programs 4022.
The operating system 4021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application programs 4022 include various application programs such as a Media Player (Media Player), a Browser (Browser), and the like for realizing various application services. A program for implementing the method of the embodiment of the present invention may be included in the application program 4022.
In the embodiment of the present invention, the processor 401 is configured to execute the method steps provided in the method embodiments by calling a program or an instruction stored in the memory 402, specifically, a program or an instruction stored in the application program 4022, for example, including: acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned in the running process of the air conditioner; under the condition that the refrigerant in the air conditioner leaks according to the refrigerant concentration, determining the leakage level corresponding to the refrigerant according to the refrigerant concentration; and controlling a fresh air device in the air conditioner according to the leakage grade.
The method disclosed in the above embodiment of the present invention may be applied to the processor 401 or implemented by the processor 401. The processor 401 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in the processor 401 or by instructions in the form of software. The processor 401 described above may be a general purpose processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be embodied directly in the execution of a hardware decoding processor, or in the execution of a combination of hardware and software elements in a decoding processor. The software elements may be located in a random access memory, flash memory, read-only memory, programmable read-only memory or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory 402, and the processor 401 reads the information in the memory 402 and, in combination with its hardware, performs the steps of the above method.
It is to be understood that the embodiments described herein may be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For a hardware implementation, the processing units may be implemented within one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processors (Digital Signal Processing, DSP), digital signal processing devices (dspev, DSPD), programmable logic devices (Programmable Logic Device, PLD), field programmable gate arrays (Field-Programmable Gate Array, FPGA), general purpose processors, controllers, micro-controllers, microprocessors, other electronic units designed to perform the functions described herein, or a combination thereof.
For a software implementation, the techniques described herein may be implemented by means of units that perform the functions described herein. The software codes may be stored in a memory and executed by a processor. The memory may be implemented within the processor or external to the processor.
The air conditioner provided in this embodiment may be an air conditioner as shown in fig. 4, and may perform all steps of the air conditioner control method as shown in fig. 1-2, so as to achieve the technical effects of the air conditioner control method as shown in fig. 1-2, and the detailed description is omitted herein for brevity.
The embodiment of the invention also provides a storage medium (computer readable storage medium). The storage medium here stores one or more programs. Wherein the storage medium may comprise volatile memory, such as random access memory; the memory may also include non-volatile memory, such as read-only memory, flash memory, hard disk, or solid state disk; the memory may also comprise a combination of the above types of memories.
When one or more programs in the storage medium are executable by one or more processors, the above-described air conditioner control method performed on the air conditioner control device side is implemented.
The processor is configured to execute an air conditioner control program stored in the memory, so as to implement the following steps of an air conditioner control method executed on an air conditioner control device side: acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned in the running process of the air conditioner; under the condition that the refrigerant in the air conditioner leaks according to the refrigerant concentration, determining the leakage level corresponding to the refrigerant according to the refrigerant concentration; and controlling a fresh air device in the air conditioner according to the leakage grade.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of function in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends 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 present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, in a software module executed by a processor, or in a combination of the two. The software modules may be disposed in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. An air conditioner control method, comprising:
acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned in the running process of the air conditioner;
under the condition that the refrigerant in the air conditioner leaks according to the refrigerant concentration, determining the leakage level corresponding to the refrigerant according to the refrigerant concentration;
and controlling a fresh air device in the air conditioner according to the leakage grade.
2. The method of claim 1, wherein controlling the fresh air device in the air conditioner according to the leakage level comprises:
determining the corresponding rotating speed of a fresh air device in the air conditioner according to the leakage grade; wherein, the higher the refrigerant concentration, the higher the leakage level corresponding to the refrigerant concentration; the higher the leakage level, the higher the rotational speed corresponding to the leakage level;
controlling the opening of the fresh air device; the method comprises the steps of,
and after the fresh air device is controlled to be started, controlling the fresh air device to operate according to the rotating speed.
3. The method of claim 1, wherein the obtaining the refrigerant concentration of the indoor environment in which the air conditioner is located comprises:
determining the installation position of a cooling sensor in an air conditioner;
determining the rotation position of an air deflector in the air conditioner according to the installation position;
and controlling the air deflector to rotate according to the rotating position so as to obtain the refrigerant concentration of the indoor environment where the air conditioner is positioned.
4. The method according to claim 2, characterized in that the method further comprises:
when the leakage level is the highest leakage level, controlling a compressor in the air conditioner to be started; the method comprises the steps of,
after the compressor is controlled to be started, the compressor is controlled to run according to a preset frequency; the method comprises the steps of,
controlling the opening of the electronic expansion valve in the air conditioner to a preset opening to recover the refrigerant of the air conditioner pipeline in the air conditioner into the compressor, wherein the preset opening is used for representing the minimum opening allowed by the electronic expansion valve.
5. The method according to claim 4, further comprising:
acquiring a first operation time length of the compressor in the process of recovering a refrigerant of an air conditioning pipeline in the air conditioner into the compressor;
when the first operation time length is determined to reach a first preset time length, controlling an air suction valve in the compressor to be closed; the method comprises the steps of,
and controlling the compressor to stop running.
6. The method of claim 2, wherein after performing the step of controlling the fresh air device to operate at the rotational speed, the method further comprises:
determining a second preset time length corresponding to the fresh air device according to the leakage grade;
acquiring a second operation time length of the fresh air device;
when the second operation duration is determined to reach the second preset duration, returning to execute the step of acquiring the refrigerant concentration of the indoor environment where the air conditioner is located;
after determining the leakage level corresponding to the refrigerant concentration, when the leakage level corresponding to the refrigerant concentration is not the highest leakage level, upgrading the leakage level corresponding to the refrigerant concentration to finish updating the leakage level corresponding to the refrigerant concentration;
and controlling a fresh air device in the air conditioner according to the leakage level, including:
and controlling a fresh air device in the air conditioner by utilizing the updated leakage grade corresponding to the refrigerant concentration.
7. The method according to claim 4, further comprising:
when the leakage level is the highest leakage level, an alarm prompt is carried out through an alarm device in the air conditioner; and/or the number of the groups of groups,
generating fault prompt information when the leakage level is the highest leakage level;
and pushing the fault prompt information to a target terminal.
8. An air conditioner control device, comprising:
the acquisition module is used for acquiring the refrigerant concentration of the indoor environment where the air conditioner is positioned in the running process of the air conditioner;
the determining module is used for determining the leakage grade corresponding to the refrigerant according to the refrigerant concentration under the condition that the refrigerant in the air conditioner is determined to leak according to the refrigerant concentration;
and the control module is used for controlling the fresh air device in the air conditioner according to the leakage grade.
9. An air conditioner, comprising: a processor and a memory, the processor being configured to execute an air conditioner control program stored in the memory to implement the air conditioner control method according to any one of claims 1 to 7.
10. A storage medium storing one or more programs executable by one or more processors to implement the air conditioner control method of any one of claims 1 to 7.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11927377B2 (en) | 2014-09-26 | 2024-03-12 | Waterfurnace International, Inc. | Air conditioning system with vapor injection compressor |
| US11953239B2 (en) | 2018-08-29 | 2024-04-09 | Waterfurnace International, Inc. | Integrated demand water heating using a capacity modulated heat pump with desuperheater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11927377B2 (en) | 2014-09-26 | 2024-03-12 | Waterfurnace International, Inc. | Air conditioning system with vapor injection compressor |
| US11953239B2 (en) | 2018-08-29 | 2024-04-09 | Waterfurnace International, Inc. | Integrated demand water heating using a capacity modulated heat pump with desuperheater |
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