CN117232111A - Air conditioner sterilization control method and air conditioner - Google Patents
Air conditioner sterilization control method and air conditioner Download PDFInfo
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- CN117232111A CN117232111A CN202311524472.2A CN202311524472A CN117232111A CN 117232111 A CN117232111 A CN 117232111A CN 202311524472 A CN202311524472 A CN 202311524472A CN 117232111 A CN117232111 A CN 117232111A
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 149
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 144
- 238000000034 method Methods 0.000 title claims abstract description 47
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims description 25
- 238000004590 computer program Methods 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 claims description 6
- 230000001580 bacterial effect Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001276 controlling effect Effects 0.000 description 45
- 241000894006 Bacteria Species 0.000 description 10
- 230000002085 persistent effect Effects 0.000 description 6
- 238000007791 dehumidification Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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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 invention provides an air conditioner sterilization control method and an air conditioner, wherein the method comprises the steps of obtaining the current state of the air conditioner, and controlling the air conditioner to enter a first sterilization mode if the current state is an operation state; in a first sterilization mode, performing air conditioner sterilization according to the temperature of a heat exchanger and the internal humidity of the air conditioner; if the current state is a stop state, controlling the air conditioner to enter a second sterilization mode; in the second sterilization mode, the electric auxiliary heating is controlled according to the internal humidity of the air conditioner, and the air conditioner sterilization is performed. When the air conditioner is in a stop state, the temperature of each part in the air conditioner is restored to the room temperature, and the electric auxiliary heating is controlled, so that the temperature in the air conditioner is increased, the humidity in the air conditioner is reduced, an environment which is unfavorable for bacterial growth is formed, and the degerming effect is achieved. The inside of the air conditioner can be kept at a higher temperature no matter in the running state of the air conditioner or in the shutdown and power-on states of the air conditioner, so that the humidity inside the air conditioner is reduced, and the inside of the air conditioner is continuously sterilized.
Description
Technical Field
The invention relates to the technical field of air conditioner sterilization, in particular to an air conditioner sterilization control method and an air conditioner.
Background
With the development of modern industry, the number of automobiles and factories is increasing, and cities, especially industrial areas and residential areas close to the industrial areas, are greatly affected by exhaust gas. Over time, indoor air conditions in industrial areas and residential areas near the industrial areas gradually deteriorate. The air conditioner is widely applied to the indoor of families and offices, the running time of the air conditioner is longer, bacteria are bred in the air conditioner due to moisture, and air blown out by the air conditioner also contains the bacteria, so that indoor air is polluted.
The existing air conditioner sterilization control method uses a blower to blow the water vapor of the air conditioner indoor unit, but bacteria can survive in a dry environment, when the air conditioner runs again, the air conditioner indoor unit generates the water vapor, and the bacteria continue to grow and propagate in the air conditioner indoor unit.
Therefore, there is a need for a method of maintaining humidity in an air conditioner at a low level, constructing an air conditioner indoor unit environment unsuitable for bacterial growth, thereby continuously sterilizing the interior of the air conditioner and keeping indoor air clean.
Disclosure of Invention
In order to overcome the problems in the related art, one of the purposes of the invention is to provide an air conditioner sterilization control method, which can keep the humidity in the air conditioner at a low level, and construct an air conditioner indoor unit environment unsuitable for bacterial growth, so as to continuously sterilize the air conditioner and keep the indoor air clean.
The air conditioner sterilization control method comprises the steps of obtaining the current state of an air conditioner, and controlling the air conditioner to enter a first sterilization mode if the current state is an operation state;
in the first sterilization mode, performing air conditioner sterilization according to the temperature and the internal humidity of a heat exchanger of the air conditioner;
if the current state is a stop state, controlling the air conditioner to enter a second sterilization mode;
and in the second sterilization mode, controlling electric auxiliary heating according to the internal humidity of the air conditioner, and performing air conditioner sterilization.
In the preferred technical scheme of the invention, the sterilization of the air conditioner is carried out according to the temperature and the internal humidity of the heat exchanger of the air conditioner, and the sterilization method comprises the following steps:
judging whether the air conditioner operates normally, if so, waiting for the operation of the air conditioner to finish, and closing an air inlet and an air outlet of the air conditioner;
calculating a first time interval, if the first time interval is smaller than or equal to a first time threshold, detecting whether the internal humidity is larger than or equal to a first humidity threshold, and if so, detecting whether the temperature of the heat exchanger is larger than or equal to a first temperature threshold;
and if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, starting a fan, and controlling the fan to stir hot air in the air conditioner.
In a preferred technical scheme of the present invention, after the fan is controlled to stir the hot air in the air conditioner, the method further includes:
detecting whether the internal humidity is smaller than the first humidity threshold, if yes, controlling the air conditioner to end the first sterilization mode;
if the internal humidity is greater than or equal to the first humidity threshold, detecting whether the heat exchanger temperature is greater than or equal to the first temperature threshold;
and if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, controlling the fan to continuously stir the hot air in the air conditioner.
In a preferred technical scheme of the present invention, in the second sterilization mode, the air conditioner sterilization is performed by controlling electric auxiliary heating according to the internal humidity of the air conditioner, including:
detecting whether the first time interval is larger than a second time threshold and smaller than or equal to a third time threshold, if yes, acquiring the final sterilization time of the air conditioner, and calculating the second time interval of the current time and the final sterilization time;
if the second time interval is greater than or equal to a first sterilization time threshold and the internal humidity is greater than or equal to the first humidity threshold, starting the electric auxiliary heat, and adjusting the electric auxiliary heat temperature to a second temperature threshold;
Starting the fan and controlling the fan to stir hot air in the air conditioner;
acquiring the internal humidity, and if the internal humidity is smaller than the first humidity threshold value, controlling the air conditioner to finish the second sterilization mode;
and if the internal humidity is greater than or equal to the first humidity threshold, maintaining the electric auxiliary heating temperature at the second temperature threshold, and controlling the fan to continuously stir the hot air in the air conditioner.
In a preferred embodiment of the present invention, the detecting whether the first time interval is greater than the second time threshold and less than or equal to the third time threshold further includes:
if the first time interval is greater than the third time threshold, detecting whether the internal humidity is greater than or equal to the first humidity threshold, if so, starting the electric auxiliary heat, and adjusting the electric auxiliary heat temperature to the second temperature threshold;
starting the fan, and controlling the fan to stir the hot air in the air conditioner;
acquiring the internal humidity, and if the internal humidity is smaller than the first humidity threshold value, controlling the air conditioner to finish the second sterilization mode;
And if the internal humidity is greater than or equal to the first humidity threshold, maintaining the electric auxiliary heating temperature at the second temperature threshold, and controlling the fan to continuously stir the hot air in the air conditioner.
In a preferred technical solution of the present invention, after detecting whether the temperature of the heat exchanger is greater than or equal to a first temperature threshold, the method further includes:
and if the heat exchanger temperature is smaller than the first temperature threshold value, increasing the heat exchanger temperature until the heat exchanger temperature is larger than or equal to the first temperature threshold value.
In a preferred embodiment of the present invention, after the calculating the first time interval, the method further includes:
if the first time interval is larger than the first time threshold and smaller than or equal to the second time threshold, judging whether the air conditioner operates normally or not;
if the air conditioner is abnormal in operation, acquiring the final sterilization time of the air conditioner, and calculating a second time interval between the current time and the final sterilization time;
if the second time interval is greater than a second sterilization time threshold, detecting whether the internal humidity is greater than or equal to the first humidity threshold, and if so, detecting whether the temperature of the heat exchanger is greater than or equal to the first temperature threshold;
And if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, starting the fan, and controlling the fan to stir the hot air in the air conditioner.
In a preferred technical scheme of the present invention, after the judging whether the air conditioner is operating normally, the method further includes:
if the air conditioner operates normally, waiting for the air conditioner to end;
closing the air inlet and the air outlet of the air conditioner;
and detecting whether the internal humidity is greater than or equal to the first humidity threshold, and if not, controlling the air conditioner to end the first sterilization mode.
In a preferred technical scheme of the present invention, after the air conditioner is controlled to enter the first sterilization mode, the method further includes:
detecting whether the internal humidity is greater than or equal to a second humidity threshold, if so, detecting whether the humidity duration is greater than or equal to a duration threshold;
if the humidity duration is greater than or equal to the duration threshold, sending a prompt signal;
detecting whether a user reacts to the prompt signal in a first reaction time, and if the user reacts, receiving an air conditioner operation mode sent by the user;
And controlling the air conditioner to enter the air conditioner running mode.
In a preferred technical solution of the present invention, after detecting whether the user reacts to the prompt signal in the first reaction time, the method further includes:
if the user does not react, judging whether the user is in an inactive state;
if the user is in the inactive state, controlling the air conditioner to enter a custom mode;
and if the user is in an active state, closing an air inlet and an air outlet of the air conditioner, and controlling the air conditioner to enter the first sterilization mode.
Another object of the present invention is to provide an air conditioner, including a memory and a processor, wherein the memory stores a computer program, and the processor implements the air conditioner sterilization control method according to any one of the above when executing the computer program.
The beneficial effects of the invention are as follows:
the invention provides an air conditioner sterilization control method which comprises the steps of obtaining the current state of an air conditioner, and controlling the air conditioner to enter a first sterilization mode if the current state is an operation state. In the first sterilization mode, air conditioner sterilization is performed according to the temperature of the heat exchanger and the internal humidity of the air conditioner. When the air conditioner is in an operating state, the heat exchanger of the air conditioner has higher temperature, and the humidity inside the air conditioner is gradually reduced under the high-temperature environment created by the heat exchanger, so that an environment which is unfavorable for bacterial growth is formed. The energy consumption of the sterilization in the air conditioner can be reduced because no additional heat source is needed. And if the current state is the shutdown state, controlling the air conditioner to enter a second sterilization mode. In the second sterilization mode, the electric auxiliary heating is controlled according to the internal humidity of the air conditioner, and the air conditioner sterilization is performed. When the air conditioner is in a stop state, the temperature of each part in the air conditioner is restored to the room temperature, and the electric auxiliary heating is controlled, so that the temperature in the air conditioner is increased, the humidity in the air conditioner is reduced, an environment which is unfavorable for bacterial growth is formed, and the degerming effect is achieved. In summary, the method can keep the inside of the air conditioner at a higher temperature no matter in the running state or in the stopping state of the air conditioner, thereby reducing the humidity inside the air conditioner and continuously degerming the inside of the air conditioner.
Drawings
FIG. 1 is a flow chart of an air conditioner sterilization control method provided by the invention;
FIG. 2 is a flow chart of the present invention for sterilizing the interior of an air conditioner in a first sterilization mode;
FIG. 3 is a flow chart of the method for sterilizing the interior of an air conditioner according to the operation state of the air conditioner;
FIG. 4 is a flow chart of the present invention for sterilizing the interior of an air conditioner in a second sterilization mode;
fig. 5 is a schematic view of an internal structure of an air conditioner provided by the present invention;
fig. 6 is a schematic structural view of an air conditioner provided by the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the invention. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
As shown in fig. 1, the present embodiment provides an air conditioner sterilization control method, including:
s1: and acquiring the current state of the air conditioner, and controlling the air conditioner to enter a first sterilization mode if the current state is an operation state.
As shown in fig. 5, a relative humidity sensor is disposed inside the air conditioner, and the relative humidity sensor is used for measuring the humidity inside the air conditioner, and the humidity in this embodiment refers to the relative humidity. The air conditioner is also internally provided with a fan, an electric auxiliary heater and a heat exchanger, and the embodiment takes the heat exchanger comprising an evaporator as an example. The temperature of the inner coil, namely the temperature of the indoor side coil pipe, is obtained through a temperature sensing bulb.
The air conditioner is in a power-on state, can send control signals except for starting up to the air conditioner, detects whether the air conditioner responds or not, and can also detect the voltage and/or current of the air conditioner to acquire the current state of the air conditioner, and the method is not limited herein.
And if the current state is the running state, waiting for the running of the air conditioner to finish, controlling the air conditioner to enter a first sterilization mode, and closing the air inlet and the air outlet of the air conditioner.
S2: and in the first sterilization mode, performing air conditioner sterilization according to the temperature of the heat exchanger and the internal humidity of the air conditioner.
And acquiring the temperature and the internal humidity of the heat exchanger of the air conditioner, stopping the operation of the air conditioner, and after entering a first sterilization mode, enabling the temperature of the heat exchanger to be higher. Before the air conditioner stops running, vaporization and liquefaction are continuously carried out in the air conditioner, and the air conditioner has higher internal humidity. Under the environment of high-temperature construction of the heat exchanger, if the internal humidity of the air conditioner reaches the standard of sterilization, the internal humidity of the air conditioner is reduced by using the high temperature generated by the heat exchanger, so that the interior of the air conditioner is sterilized.
S3: and if the current state is a stop state, controlling the air conditioner to enter a second sterilization mode.
The final running time of the air conditioner is the time when the air conditioner is in the running state last time, and the final running time is subtracted from the current time to obtain a first time interval. The larger the first time interval, the longer the air conditioner is in a stopped state. If the first time interval is greater than the first time threshold, the temperature of each part in the air conditioner is the room temperature. The present embodiment sets the first time threshold to 3 days.
The air conditioner is still electrified in a stop state, and the air conditioner is always electrified.
As an example, the final operation time of the air conditioner is 10 months and 20 days, the current time is 10 months and 25 days, the first time interval is 5 days, and the first time interval is greater than the first time threshold value, and the air conditioner is controlled to enter the second sterilization mode.
S4: and in the second sterilization mode, controlling electric auxiliary heating according to the internal humidity of the air conditioner, and performing air conditioner sterilization.
And in the second sterilization mode, the temperature inside the air conditioner is room temperature, and the air conditioner is in a power-on state at the moment, and the internal humidity of the air conditioner is detected. If the internal humidity is high, bacteria can grow in the air conditioner, electric auxiliary heating is controlled, the temperature in the air conditioner is increased, the internal humidity of the air conditioner is reduced, and therefore the air conditioner is sterilized.
The higher the heating temperature of the electric auxiliary heat is, the longer the continuous heating time is, the lower the internal humidity of the air conditioner is, and the better the effect of sterilizing the inside of the air conditioner is.
The heat exchanger is selected to be adopted at high temperature or the electric auxiliary heat is started according to the current state of the air conditioner to reduce the internal humidity of the air conditioner, so that the heat emitted by the heat exchanger in the air conditioner can be fully used, and the air conditioner can be kept at a higher temperature and a lower internal humidity in the air conditioner in a stop state, so that the air conditioner is continuously sterilized, and the indoor air is kept clean.
The method for controlling the sterilization of the air conditioner comprises the steps of obtaining the current state of the air conditioner, and controlling the air conditioner to enter a first sterilization mode if the current state is an operation state. In the first sterilization mode, air conditioner sterilization is performed according to the temperature of the heat exchanger and the internal humidity of the air conditioner. When the air conditioner is in an operating state, the heat exchanger of the air conditioner has higher temperature, and the humidity inside the air conditioner is gradually reduced under the high-temperature environment created by the heat exchanger, so that an environment which is unfavorable for bacterial growth is formed. The energy consumption of the sterilization in the air conditioner can be reduced because no additional heat source is needed. And if the current state is the shutdown state, controlling the air conditioner to enter a second sterilization mode. In the second sterilization mode, the electric auxiliary heating is controlled according to the internal humidity of the air conditioner, and the air conditioner sterilization is performed. When the air conditioner is in a stop state, the temperature of each part in the air conditioner is restored to the room temperature, and the electric auxiliary heating is controlled, so that the temperature in the air conditioner is increased, the humidity in the air conditioner is reduced, an environment which is unfavorable for bacterial growth is formed, and the degerming effect is achieved. In summary, the method can keep the inside of the air conditioner at a higher temperature no matter in the running state or in the stopping state of the air conditioner, thereby reducing the humidity inside the air conditioner and continuously degerming the inside of the air conditioner.
Example 2
As shown in fig. 2 to 3, this embodiment only describes the differences from embodiment 1 in that the air conditioner sterilization is performed according to the heat exchanger temperature and the internal humidity of the air conditioner, including:
s22: a first time interval is calculated.
And obtaining the final running time of the air conditioner, and subtracting the final running time from the current time to obtain a first time interval.
Step S21 is also included before step S22: judging whether the air conditioner operates normally, if so, waiting for the operation of the air conditioner to finish, and closing the air inlet and the air outlet of the air conditioner.
And if the air conditioner is abnormal in operation, controlling the air conditioner to end the first sterilization mode.
As an example, the preset time of the air conditioner is 5 hours, the air conditioner has been operated for 3 hours, waiting for 2 hours, the operation of the air conditioner is ended, and the air inlet and the air outlet of the air conditioner are closed.
S23: if the first time interval is smaller than or equal to a first time threshold, detecting whether the internal humidity is larger than or equal to a first humidity threshold, and if so, detecting whether the temperature of the heat exchanger is larger than or equal to a first temperature threshold;
the first time interval is denoted T and the first time threshold is set to 3. If the first time interval is less than or equal to the first time threshold, for example, t=2, it indicates that the last time the air conditioner was turned on is within 2 days, that is, at least one time of air conditioner is turned on within 2 days, and the frequency of use of the air conditioner is high.
The internal humidity of the air conditioner is measured according to a relative humidity sensor inside the air conditioner, the internal humidity is expressed as a percentage, the first humidity threshold is set to 70%, and the first temperature threshold is set to 56 ℃.
And acquiring the temperature of the heat exchanger, and if the temperature of the heat exchanger is smaller than the first temperature threshold value, increasing the temperature of the heat exchanger until the temperature of the heat exchanger is larger than or equal to the first temperature threshold value.
The heat exchanger temperature can be regulated in two ways, the first way is to raise the heat exchanger temperature to be greater than the first temperature threshold, and in the process of heating the air inside the air conditioner by using the heat exchanger, the heat exchanger temperature is continuously lowered until the heat exchanger temperature is detected to be less than the first temperature threshold, and then the heat exchanger temperature is raised to be greater than the first temperature threshold. The second mode is to raise the temperature of the heat exchanger to a first temperature threshold value, and then continuously heat the heat exchanger, so that the temperature of the heat exchanger is always greater than the first temperature threshold value.
S24: and if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, starting a fan, and controlling the fan to stir hot air in the air conditioner.
If the temperature of the heat exchanger is greater than or equal to the first temperature threshold, the heat exchanger is higher, the fan is started to generate air flow, and heat generated by the heat exchanger can be dispersed to each area in the air conditioner. The fan is controlled to rotate continuously, so that the temperature in the air conditioner rises continuously.
The rotational speed of the fan may be set to one or more fixed values, the lower the heat exchanger temperature, the faster the fan rotational speed, or the higher the heat exchanger temperature, the faster the fan rotational speed.
As an example, the internal humidity is 80%, the internal humidity is greater than a first humidity threshold, the heat exchanger temperature is detected to be 60 degrees celsius, the heat exchanger temperature is greater than a first temperature threshold, the fan is turned on, and the rotational speed of the fan is set to a first rotational speed.
After step S24, steps S25 to S27 are further included:
s25: and detecting whether the internal humidity is smaller than the first humidity threshold, and if so, controlling the air conditioner to end the first sterilization mode.
If the internal humidity of the air conditioner is smaller than the first humidity threshold, the internal environment of the air conditioner is dry and is not suitable for bacterial growth, and at the moment, the air conditioner is controlled to finish the first sterilization mode, so that electric energy can be saved.
S26: and if the internal humidity is greater than or equal to the first humidity threshold, detecting whether the temperature of the heat exchanger is greater than or equal to the first temperature threshold.
If the internal humidity is greater than or equal to the first humidity threshold, the internal environment of the air conditioner is moist, bacteria grow, and whether the temperature of the heat exchanger reaches the dehumidification requirement is detected.
S27: and if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, controlling the fan to continuously stir the hot air in the air conditioner.
If the temperature of the heat exchanger is greater than or equal to the first temperature threshold, indicating that the temperature of the heat exchanger is higher, controlling the fan to stir hot air near the heat exchanger, so that the hot air near the heat exchanger is dispersed to other areas inside the air conditioner, and the internal humidity of the air conditioner is reduced.
Step S22 further includes:
s23': if the first time interval is greater than the first time threshold and is smaller than or equal to the second time threshold, judging whether the air conditioner operates normally.
If the refrigerating and heating functions of the air conditioner are normal, the air conditioner operates normally. The second time threshold is greater than the first time threshold, and the second time threshold is set to 7 days.
Step S23' is followed by step S24' and step S24' ', if the air conditioner is abnormal, step S24' is executed; if the air conditioner is operating normally, step S24' is performed.
S24': if the air conditioner is abnormal in operation, the final sterilization time of the air conditioner is obtained, and the second time interval of the current time and the final sterilization time is calculated.
If the air conditioner can not normally refrigerate and heat, the air conditioner is judged to be abnormal in operation. As an example, the final sterilization time is 10 months 20, the current time is 10 months 25, and the second time interval is 5 days.
After step S24' is performed, steps S25' -S26' are performed.
S25': if the second time interval is greater than a second sterilization time threshold, detecting whether the internal humidity is greater than or equal to the first humidity threshold, and if so, detecting whether the temperature of the heat exchanger is greater than or equal to the first temperature threshold.
And setting the second sterilization time threshold to 3 days, and if the second time interval is larger than the second sterilization time threshold, indicating that the air conditioner is not sterilized for a longer time. If the internal humidity is greater than or equal to the first humidity threshold value under the condition that the air conditioner is not sterilized for a long time, the environment inside the air conditioner is suitable for bacterial growth at the moment, and bacteria inside the air conditioner are more.
S26': and if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, starting the fan, and controlling the fan to stir the hot air in the air conditioner.
If the temperature of the heat exchanger is greater than or equal to the first temperature threshold, the temperature of the heat exchanger is higher, the fan is started, and the fan blows high-temperature gas around the heat exchanger to other areas inside the air conditioner, so that the internal humidity of the air conditioner is reduced.
In the process of stirring hot air in the air conditioner by the fan, measuring the internal humidity of the air conditioner according to the relative humidity sensor, and ending the first sterilization mode if the internal humidity is smaller than a first humidity threshold value; if the internal humidity is greater than or equal to the first humidity threshold, detecting whether the temperature of the heat exchanger is greater than or equal to the first temperature threshold, and if so, executing step S26'; if not, the temperature of the heat exchanger is increased until the temperature of the heat exchanger is greater than or equal to the first temperature threshold.
S24'': and if the air conditioner operates normally, waiting for the air conditioner to end.
After the execution of step S24', step S25' -S26' is executed. The operation may be stopped after waiting for the preset time for the operation of the air conditioner, or the user may press a shutdown button of the remote controller of the air conditioner, so that the operation is stopped for the air conditioner, which is not limited herein.
S25'': and closing the air inlet and the air outlet of the air conditioner.
Closing the air inlet of the air conditioner can prevent air outside the air conditioner from flowing into the air conditioner, and the air outside the air conditioner possibly contains bacteria, so that the air inside the air conditioner is only required to be sterilized.
Closing the air outlet of the air conditioner can prevent the air conditioner from blowing out the air with bacteria into the room and polluting the indoor air before the sterilization of the air conditioner is finished.
S26 ''. And detecting whether the internal humidity is greater than or equal to the first humidity threshold, and if not, controlling the air conditioner to end the first sterilization mode.
If the internal humidity of the air conditioner is smaller than the first humidity threshold, the internal humidity of the air conditioner is lower, the environment inside the air conditioner is not suitable for bacterial growth, and the first sterilization mode is ended.
If the internal humidity is greater than or equal to the first humidity threshold, which indicates that the internal humidity of the air conditioner is higher at this time, the environment inside the air conditioner is suitable for bacterial growth, and whether the temperature of the heat exchanger is greater than or equal to the first temperature threshold is detected, if yes, step S26' is executed, and if not, the temperature of the heat exchanger is adjusted to be greater than or equal to the first temperature threshold.
In this embodiment, when the air conditioner is in an operation state and the first time interval is smaller, the temperature of the heat exchanger is higher, the internal humidity of the air conditioner is detected, if the internal humidity is larger, the fan is started, and the high-temperature gas near the heat exchanger is emitted to other areas inside the air conditioner, so that the internal humidity of the air conditioner is reduced. After the fan is started, if the internal humidity of the air conditioner is greater than or equal to a first humidity threshold value, the fan is controlled to continue to operate until the internal humidity of the air conditioner is less than the first humidity threshold value. The high temperature of the heat exchanger is adopted to construct the internal environment of the air conditioner which is not suitable for the growth of bacteria, so that the energy can be saved.
Example 3
As shown in fig. 4, this embodiment only describes the differences from embodiment 1, in which the electric auxiliary heating is controlled according to the internal humidity of the air conditioner in the second sterilization mode, and the sterilization of the air conditioner is performed, including:
s41: detecting whether the first time interval is larger than a second time threshold and smaller than or equal to a third time threshold, if yes, acquiring the final sterilization time of the air conditioner, and calculating the current time and the second time interval of the final sterilization time.
The second time threshold is greater than the first time threshold, the second time threshold is set to 7 days, and the third time threshold is set to 15 days. A second time interval is calculated, the second time interval representing a time interval from a last time the second sterilization mode was turned on.
S42: and if the second time interval is greater than or equal to a first sterilization time threshold and the internal humidity is greater than or equal to the first humidity threshold, starting the electric auxiliary heat, and adjusting the electric auxiliary heat temperature to a second temperature threshold.
Setting the first sterilization time threshold to 2 days, and if the second time interval is greater than or equal to the first sterilization time threshold, indicating that the time interval from the last time the second sterilization mode is started is longer, requiring sterilization of the air conditioner interior. Because the air conditioner is in a stop state at this time, and the temperature of each part in the air conditioner is room temperature, starting the electric auxiliary heat in the air conditioner, and continuously increasing the temperature of the electric auxiliary heat until the temperature of the electric auxiliary heat reaches a second temperature threshold.
If the second time interval is smaller than the first sterilization time threshold, the time interval from the last time of starting the second sterilization mode is shorter, sterilization is not needed in the air conditioner, and the air conditioner is controlled to finish the second sterilization mode.
S43: and starting the fan, and controlling the fan to stir the hot air in the air conditioner.
Step S43 is the same as step S24, and will not be described here.
S44: and acquiring the internal humidity, and if the internal humidity is smaller than the first humidity threshold value, controlling the air conditioner to finish the second sterilization mode.
As an example, the relative humidity sensor inside the air conditioner collects an internal humidity of 60%, the first humidity threshold is 70%, and the internal humidity is smaller than the first humidity threshold, which indicates that the internal environment of the air conditioner is drier at this time, and is not suitable for bacterial growth, and the air conditioner is controlled to end the second sterilization mode.
S45: and if the internal humidity is greater than or equal to the first humidity threshold, maintaining the electric auxiliary heating temperature at the second temperature threshold, and controlling the fan to continuously stir the hot air in the air conditioner.
The second temperature threshold is in the range of 56 degrees celsius to 60 degrees celsius, and preferably the second temperature threshold is set to 58 degrees celsius. The electric auxiliary heat is kept at a higher temperature, the air temperature near the electric auxiliary heat is higher, and the fan is controlled to continuously stir the air near the electric auxiliary heat, so that the high-temperature air near the electric auxiliary heat is emitted to other areas inside the air conditioner, and the internal humidity of the air conditioner is reduced.
After detecting whether the first time interval is greater than a second time threshold and less than or equal to a third time threshold, the method further includes:
s42': if the first time interval is greater than the third time threshold, detecting whether the internal humidity is greater than or equal to the first humidity threshold, if so, starting the electric auxiliary heat, and adjusting the electric auxiliary heat temperature to the second temperature threshold.
The relative humidity sensor in the air conditioner adjusts the detection frequency according to the season condition, and every interval T in the rainy season s1 Detecting the internal humidity of the air conditioner and every interval T in dry season s2 The internal humidity of the air conditioner is detected. Internal humidity detection interval T in rainy season s1 And internal humidity detection interval T in dry seasons s2 May be the user himselfThe definition may be set by a computer program, and is not limited herein. T (T) s1 ＜T s2 By way of example, T will be s1 Set to 3 days, T is taken s2 Set to 7 days.
S43': and starting the fan, and controlling the fan to stir the hot air in the air conditioner.
The fan can be arranged near the electric auxiliary heat and can also be arranged between the electric auxiliary heat and the heat exchanger. One fan may be provided, or a plurality of fans may be provided. The position and the number of the fans are not limited in the embodiment, and the embodiment takes the example that one fan is arranged near the electric auxiliary heat and near the heat exchanger.
S44': and acquiring the internal humidity, and if the internal humidity is smaller than the first humidity threshold value, controlling the air conditioner to finish the second sterilization mode.
Step S44' is the same as step S44, and will not be described here again.
S45': and if the internal humidity is greater than or equal to the first humidity threshold, maintaining the electric auxiliary heating temperature at the second temperature threshold, and controlling the fan to continuously stir the hot air in the air conditioner.
Step S45' is the same as step S45, and will not be described here again.
According to the method, the final sterilization time of the air conditioner is obtained when the air conditioner is in a stop state for a long time, the second time interval of the current time and the final sterilization time is calculated, and if the second time interval is larger than or equal to the first sterilization time threshold and the internal humidity is larger than or equal to the first humidity threshold, the air conditioner is free of sterilization for a long time, the internal humidity of the air conditioner is high, and the air conditioner needs to be sterilized. Because the air conditioner is in a stop state for a long time, the temperature of each part in the air conditioner is room temperature, the electric auxiliary heat is started, the electric auxiliary heat temperature is increased, and the temperature of gas near the electric auxiliary heat is increased. And starting a fan to emit high-temperature gas near the electric auxiliary heat to other areas in the air conditioner, so that the internal humidity of the air conditioner is reduced, an environment unsuitable for bacterial growth is constructed, and the interior of the air conditioner is continuously sterilized.
Example 4
This embodiment only describes the differences from embodiment 1, and after the controlling the air conditioner to enter the first sterilization mode, the method further includes:
s61: and detecting whether the internal humidity is greater than or equal to a second humidity threshold, and if so, detecting whether the humidity duration is greater than or equal to a duration threshold.
The second humidity threshold was set to 80% and the duration threshold was set to 1 hour. And if the internal humidity is smaller than the second humidity threshold value, the air conditioner continues to operate.
S62: and if the humidity duration is greater than or equal to the duration threshold, sending out a prompt signal.
If the humidity duration is greater than or equal to the duration threshold, the duration of the high humidity state in the air conditioner is longer, the internal environment of the air conditioner is suitable for bacterial growth, and a prompt signal is sent to a user.
As shown in fig. 5, the relative humidity warning device is disposed inside the air conditioner, and the relative humidity warning device may send a voice prompt signal or an indicator light prompt signal to the user, which is not limited herein.
S63: and detecting whether a user reacts to the prompt signal in the first reaction time, and if the user reacts, receiving an air conditioner operation mode sent by the user.
Setting the first reaction time to 10 minutes, if the user presses a button on the remote controller and sends an instruction for setting the air conditioner operation mode to the processor 1020 of the air conditioner, it is determined that the user reacts, and the processor 1020 of the air conditioner receives the air conditioner operation mode sent by the user.
S64: and controlling the air conditioner to enter the air conditioner running mode.
The air conditioner operation modes comprise a first sterilization mode, a second sterilization mode, a dehumidification mode and a drying mode, and the air conditioner is controlled to perform sterilization, dehumidification or drying according to the received air conditioner operation modes.
After detecting whether the user reacts to the prompt signal in the first reaction time, the method further comprises:
s64': if the user does not react, judging whether the user is in an inactive state.
If the processor 1020 of the air conditioner does not receive the instruction sent by the air conditioner remote controller, the user is judged to be not reacted. Dividing the moving range of the human body through infrared detection, and judging that the user is in an inactive state if the moving range of the human body is smaller; if the movement range of the human body is large, the user is judged to be in an active state.
S65': and if the user is in the inactive state, controlling the air conditioner to enter a custom mode.
The self-defining mode is any one of a first sterilization mode, a second sterilization mode, a dehumidification mode and a drying mode, after the air conditioner is controlled to enter the self-defining mode, whether the internal humidity of the air conditioner is smaller than a first humidity threshold value is detected, and if yes, the air conditioner is controlled to enter a refrigerating or heating mode; if not, the air conditioner continues to operate in the custom mode.
S66': and if the user is in an active state, closing an air inlet and an air outlet of the air conditioner, and controlling the air conditioner to enter the first sterilization mode.
After the air conditioner is controlled to enter a first sterilization mode, detecting whether the internal humidity of the air conditioner is smaller than a first humidity threshold value, and if yes, controlling the air conditioner to end the first sterilization mode; if not, the air conditioner continues to operate in the first sterilization mode.
In this embodiment, when the internal humidity of the air conditioner is greater than or equal to the second humidity threshold and the humidity duration is greater than or equal to the duration threshold, a prompt signal is sent to the user. If the user reacts to the prompt signal, the air conditioner operation mode sent by the user is received, the air conditioner is controlled to enter the air conditioner operation mode, and the interior of the air conditioner is sterilized or dehumidified. If the user does not react, the air conditioner is controlled to automatically enter a self-defining mode or a first sterilization mode according to the state of the user, and sterilization or dehumidification is carried out on the interior of the air conditioner.
Example 5
Corresponding to the embodiment of the application function implementation method, the embodiment also provides an air conditioner.
Fig. 6 is a schematic structural diagram of an air conditioner according to the present invention, as shown in fig. 6, the air conditioner 1000 includes a memory 1010 and a processor 1020, the memory 1010 stores a computer program, and the processor 1020 implements the air conditioner sterilization control method according to any one of embodiments 1 to 4 when executing the computer program.
The processor 1020 may be a CPU (Central Processing Unit ) or other general purpose processor, digital signal processor, application specific integrated circuit, field programmable gate array or other programmable logic device, discrete gate or transistor logic device, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Memory 1010 may include various types of storage units, such as system Memory, ROM (Read-Only Memory), and persistent storage. Where the ROM may store static data or instructions that are required by the processor 1020 or other modules of the computer. The persistent storage may be a readable and writable storage. The persistent storage may be a non-volatile memory device that does not lose stored instructions and data even after the computer is powered down. In some embodiments, the persistent storage device employs a mass storage device (e.g., magnetic or optical disk, flash memory) as the persistent storage device. In other embodiments, the persistent storage may be a removable storage device (e.g., diskette, optical drive). The system memory may be a read-write memory device or a volatile read-write memory device, such as dynamic random access memory. The system memory may store instructions and data that are required by some or all of the processors at runtime. Furthermore, memory 1010 may comprise any combination of computer-readable storage media including various types of semiconductor memory chips (DRAM, SRAM, SDRAM, flash memory, programmable read-only memory), magnetic disks, and/or optical disks may also be employed. In some implementations, memory 1010 may include readable and/or writable removable storage devices such as Compact Discs (CDs), digital versatile discs (e.g., DVD-ROMs), blu-ray discs read only, super-dense discs, flash memory cards (e.g., SD cards, minSD cards, micro-SD cards, etc.), magnetic floppy disks, and the like. The computer readable storage medium does not contain a carrier wave or an instantaneous electronic signal transmitted by wireless or wired transmission.
The memory 1010 has stored thereon executable code that, when processed by the processor 1020, can cause the processor 1020 to perform some or all of the methods described above.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (11)
1. An air conditioner sterilization control method is characterized by comprising the following steps:
acquiring the current state of an air conditioner, and controlling the air conditioner to enter a first sterilization mode if the current state is an operation state;
in the first sterilization mode, performing air conditioner sterilization according to the temperature and the internal humidity of a heat exchanger of the air conditioner;
if the current state is a stop state, controlling the air conditioner to enter a second sterilization mode;
and in the second sterilization mode, controlling electric auxiliary heating according to the internal humidity of the air conditioner, and performing air conditioner sterilization.
2. The air conditioner sterilization control method according to claim 1, wherein the air conditioner sterilization according to the heat exchanger temperature and the internal humidity of the air conditioner comprises:
judging whether the air conditioner operates normally, if so, waiting for the operation of the air conditioner to finish, and closing an air inlet and an air outlet of the air conditioner;
calculating a first time interval, if the first time interval is smaller than or equal to a first time threshold, detecting whether the internal humidity is larger than or equal to a first humidity threshold, and if so, detecting whether the temperature of the heat exchanger is larger than or equal to a first temperature threshold;
and if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, starting a fan, and controlling the fan to stir hot air in the air conditioner.
3. The sterilization control method of an air conditioner according to claim 2, wherein after the controlling the blower to agitate the hot air inside the air conditioner, further comprising:
detecting whether the internal humidity is smaller than the first humidity threshold, if yes, controlling the air conditioner to end the first sterilization mode;
if the internal humidity is greater than or equal to the first humidity threshold, detecting whether the heat exchanger temperature is greater than or equal to the first temperature threshold;
And if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, controlling the fan to continuously stir the hot air in the air conditioner.
4. The air conditioner sterilization control method according to claim 2, wherein in the second sterilization mode, the electric auxiliary heating is controlled according to the internal humidity of the air conditioner, and the air conditioner sterilization is performed, comprising:
detecting whether the first time interval is larger than a second time threshold and smaller than or equal to a third time threshold, if yes, acquiring the final sterilization time of the air conditioner, and calculating the second time interval of the current time and the final sterilization time;
if the second time interval is greater than or equal to a first sterilization time threshold and the internal humidity is greater than or equal to the first humidity threshold, starting the electric auxiliary heat, and adjusting the electric auxiliary heat temperature to a second temperature threshold;
starting the fan and controlling the fan to stir hot air in the air conditioner;
acquiring the internal humidity, and if the internal humidity is smaller than the first humidity threshold value, controlling the air conditioner to finish the second sterilization mode;
and if the internal humidity is greater than or equal to the first humidity threshold, maintaining the electric auxiliary heating temperature at the second temperature threshold, and controlling the fan to continuously stir the hot air in the air conditioner.
5. The method according to claim 4, wherein the detecting whether the first time interval is greater than a second time threshold and less than or equal to a third time threshold further comprises:
if the first time interval is greater than the third time threshold, detecting whether the internal humidity is greater than or equal to the first humidity threshold, if so, starting the electric auxiliary heat, and adjusting the electric auxiliary heat temperature to the second temperature threshold;
starting the fan, and controlling the fan to stir the hot air in the air conditioner;
acquiring the internal humidity, and if the internal humidity is smaller than the first humidity threshold value, controlling the air conditioner to finish the second sterilization mode;
and if the internal humidity is greater than or equal to the first humidity threshold, maintaining the electric auxiliary heating temperature at the second temperature threshold, and controlling the fan to continuously stir the hot air in the air conditioner.
6. The method according to claim 2, wherein after detecting whether the heat exchanger temperature is greater than or equal to a first temperature threshold, further comprising:
and if the heat exchanger temperature is smaller than the first temperature threshold value, increasing the heat exchanger temperature until the heat exchanger temperature is larger than or equal to the first temperature threshold value.
7. The air conditioner sterilization control method according to claim 2, further comprising, after the calculating the first time interval:
if the first time interval is larger than the first time threshold and smaller than or equal to the second time threshold, judging whether the air conditioner operates normally or not;
if the air conditioner is abnormal in operation, acquiring the final sterilization time of the air conditioner, and calculating a second time interval between the current time and the final sterilization time;
if the second time interval is greater than a second sterilization time threshold, detecting whether the internal humidity is greater than or equal to the first humidity threshold, and if so, detecting whether the temperature of the heat exchanger is greater than or equal to the first temperature threshold;
and if the temperature of the heat exchanger is greater than or equal to the first temperature threshold, starting the fan, and controlling the fan to stir the hot air in the air conditioner.
8. The method according to claim 7, wherein after the determining whether the air conditioner is operating normally, further comprising:
if the air conditioner operates normally, waiting for the air conditioner to end;
closing the air inlet and the air outlet of the air conditioner;
And detecting whether the internal humidity is greater than or equal to the first humidity threshold, and if not, controlling the air conditioner to end the first sterilization mode.
9. The air conditioner sterilization control method according to claim 1, wherein after the control of the air conditioner to enter the first sterilization mode, further comprising:
detecting whether the internal humidity is greater than or equal to a second humidity threshold, if so, detecting whether the humidity duration is greater than or equal to a duration threshold;
if the humidity duration is greater than or equal to the duration threshold, sending a prompt signal;
detecting whether a user reacts to the prompt signal in a first reaction time, and if the user reacts, receiving an air conditioner operation mode sent by the user;
and controlling the air conditioner to enter the air conditioner running mode.
10. The method according to claim 9, wherein after detecting whether the user reacts to the prompt signal in the first reaction time, further comprising:
if the user does not react, judging whether the user is in an inactive state;
if the user is in the inactive state, controlling the air conditioner to enter a custom mode;
And if the user is in an active state, closing an air inlet and an air outlet of the air conditioner, and controlling the air conditioner to enter the first sterilization mode.
11. An air conditioner comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the air conditioner sterilization control method according to any one of claims 1 to 10 when executing the computer program.
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| CN105352128A (en) * | 2015-11-25 | 2016-02-24 | 珠海格力电器股份有限公司 | air conditioner cleaning method and system and air conditioner |
| CN113669854A (en) * | 2020-05-13 | 2021-11-19 | 广东美的制冷设备有限公司 | Air conditioner sterilization method, air conditioner and computer readable storage medium |
| JP7085163B1 (en) * | 2021-03-04 | 2022-06-16 | 東芝ライテック株式会社 | Sterilization and purification equipment |
| CN117029110A (en) * | 2023-08-07 | 2023-11-10 | 宁波奥克斯电气股份有限公司 | Indoor unit sterilization method and device and air conditioning system |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105352128A (en) * | 2015-11-25 | 2016-02-24 | 珠海格力电器股份有限公司 | air conditioner cleaning method and system and air conditioner |
| CN113669854A (en) * | 2020-05-13 | 2021-11-19 | 广东美的制冷设备有限公司 | Air conditioner sterilization method, air conditioner and computer readable storage medium |
| JP7085163B1 (en) * | 2021-03-04 | 2022-06-16 | 東芝ライテック株式会社 | Sterilization and purification equipment |
| CN117029110A (en) * | 2023-08-07 | 2023-11-10 | 宁波奥克斯电气股份有限公司 | Indoor unit sterilization method and device and air conditioning system |
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