CN115854479B - Self-cleaning method and device of air conditioner, air conditioner and storage medium - Google Patents
Self-cleaning method and device of air conditioner, air conditioner and storage medium Download PDFInfo
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Abstract
The invention discloses a self-cleaning method and device of an air conditioner, the air conditioner and a storage medium. The utility model relates to an air conditioner technical field, wherein, the air conditioner includes new trend fan, exhaust fan, main fan, indoor heat exchanger, wind channel and last air outlet and the lower air outlet of being connected with the wind channel, the method includes: if the air conditioner is in the refrigeration mode, detecting whether the air conditioner meets a self-cleaning condition according to the acquired indoor air dew point temperature and the indoor heat exchanger temperature; if the air conditioner meets the self-cleaning condition, after a shutdown control instruction is acquired, closing an upper air outlet, a lower air outlet and a main fan, starting a fresh air fan and an exhaust fan, and controlling the air conditioner to enter a heating mode so as to dry the indoor heat exchanger and the air channel. The invention can not only prevent the damp breeding mould from affecting the health of users, but also prevent the heat during self-cleaning from entering the room, thereby improving the indoor refrigeration comfort.
Description
Technical Field
The embodiment of the invention relates to the technical field of air conditioners, in particular to a self-cleaning method and device of an air conditioner, the air conditioner and a storage medium.
Background
Through at indoor installation air conditioner, can improve the comfort level of indoor environment, but there is the comdenstion water in the wind channel of air conditioner and on the indoor heat exchanger after the cooling operation a period, breeds mould easily, when leading to the air conditioner to start again, can blow out a strand of mould flavor, seriously influences user health and user experience. In the prior art, the cleaning of the air conditioner mainly adopts two modes of manual cleaning and self-cleaning, wherein the self-cleaning mode is usually timing automatic cleaning, the cleaning timeliness is poor, and the self-cleaning is mainly realized by high-temperature sterilization during cleaning, and the high-temperature heat enters the room during the self-cleaning, so that the indoor refrigeration comfort can be seriously influenced, and the indoor refrigeration comfort is poor.
Disclosure of Invention
The embodiment of the invention provides a self-cleaning method and device for an air conditioner, the air conditioner and a storage medium, and aims to solve the problems that the existing air conditioner is easy to breed mould and harmful to human health and poor in indoor refrigerating comfort during the self-cleaning period.
In a first aspect, an embodiment of the present invention provides a self-cleaning method of an air conditioner, where the air conditioner includes a fresh air fan, an exhaust fan, a main fan, an indoor heat exchanger, an air duct, and an upper air outlet and a lower air outlet connected with the air duct, and the self-cleaning method includes:
if the air conditioner is in a refrigeration mode, detecting whether the air conditioner meets a self-cleaning condition according to the acquired indoor air dew point temperature and the indoor heat exchanger temperature;
If the air conditioner meets the self-cleaning condition, after a shutdown control instruction is acquired, the upper air outlet, the lower air outlet and the main fan are closed, the fresh air fan and the exhaust fan are started, and the air conditioner is controlled to enter a heating mode to dry the indoor heat exchanger and the air duct.
In a second aspect, an embodiment of the present invention further provides a self-cleaning device of an air conditioner, including:
the detection unit is used for detecting whether the air conditioner meets self-cleaning conditions according to the acquired indoor air dew point temperature and the indoor heat exchanger temperature if the air conditioner is in a refrigerating mode;
And the first control unit is used for closing the upper air outlet, the lower air outlet and the main fan after the shutdown control instruction is acquired if the air conditioner meets the self-cleaning condition, starting the fresh air fan and the exhaust fan, and controlling the air conditioner to enter a heating mode so as to dry the indoor heat exchanger and the air duct.
In a third aspect, an embodiment of the present invention further provides an air conditioner, where the controller, the fresh air fan, the exhaust fan, the main fan, the indoor heat exchanger, the air duct, and the upper air outlet and the lower air outlet connected to the air duct, the controller includes a memory and a processor, the memory stores a computer program, and the processor implements the method when executing the computer program.
In a fourth aspect, embodiments of the present invention also provide a computer readable storage medium storing a computer program which, when executed by a processor, implements the above method.
The embodiment of the invention provides a self-cleaning method and device for an air conditioner, the air conditioner and a storage medium. The air conditioner comprises a fresh air fan, an exhaust fan, a main fan, an indoor heat exchanger, an air duct, an upper air outlet and a lower air outlet, wherein the upper air outlet and the lower air outlet are connected with the air duct, and the method comprises the following steps: if the air conditioner is in a refrigeration mode, detecting whether the air conditioner meets a self-cleaning condition according to the acquired indoor air dew point temperature and the indoor heat exchanger temperature; if the air conditioner meets the self-cleaning condition, after a shutdown control instruction is acquired, the upper air outlet, the lower air outlet and the main fan are closed, the fresh air fan and the exhaust fan are started, and the air conditioner is controlled to enter a heating mode to dry the indoor heat exchanger and the air duct. According to the technical scheme, when the air conditioner meets the self-cleaning condition, before the air conditioner is shut down, the upper air outlet, the lower air outlet and the main fan are closed, the fresh air fan and the exhaust fan are started, the air conditioner is controlled to enter a heating mode to dry the indoor heat exchanger and the air channel, so that the influence of moisture and mold breeding on the body health of a user can be avoided, heat during self-cleaning can be prevented from entering a room, and indoor refrigeration comfort is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a self-cleaning method of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic view of the air conditioner of FIG. 1;
Fig. 3 is a schematic sub-flowchart of a self-cleaning method of an air conditioner according to an embodiment of the present invention;
Fig. 4 is a schematic sub-flowchart of a self-cleaning method of an air conditioner according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of a self-cleaning method of an air conditioner according to another embodiment of the present invention;
Fig. 6 is a schematic flow chart of a self-cleaning method of an air conditioner according to another embodiment of the present invention;
fig. 7 is a schematic flow chart of a self-cleaning method of an air conditioner according to another embodiment of the present invention;
FIG. 8 is a flow chart of a self-cleaning method of an air conditioner according to an embodiment of the present invention;
Fig. 9 is a schematic block diagram of a self-cleaning apparatus of an air conditioner according to an embodiment of the present invention;
fig. 10 is a schematic block diagram of an air conditioner according to an embodiment of the present invention;
reference numerals:
10. an air conditioner; 11. fresh air blower; 12. an exhaust fan; 13. a main fan; 14. an indoor heat exchanger; 15. an air duct; 16. an upper air outlet; 17. and a lower air outlet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the 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.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention 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 be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in this specification and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
Referring to fig. 1, fig. 1 is a schematic flow chart of a self-cleaning method of an air conditioner according to an embodiment of the invention. The self-cleaning method of the air conditioner will be described in detail. As shown in fig. 1, the method includes the following steps S110 to S120.
S110, if the air conditioner is in a refrigerating mode, detecting whether the air conditioner meets self-cleaning conditions according to the acquired indoor air dew point temperature and the indoor heat exchanger temperature.
In this embodiment, when the air conditioner is in the cooling mode, the indoor air dew point temperature and the indoor heat exchanger temperature are obtained, and whether the air conditioner meets the self-cleaning condition is detected according to the indoor air dew point temperature and the indoor heat exchanger temperature, wherein the indoor heat exchanger temperature refers to the temperature detected by the temperature sensing bulb on the indoor heat exchanger. In this embodiment, as shown in fig. 2, the air conditioner 10 includes a fresh air fan 11, an exhaust fan 12, a main fan 13, an indoor heat exchanger 14, an air duct 15, and an upper air outlet 16 and a lower air outlet 17 connected to the air duct 15. The air conditioner 10 further comprises a fresh air outlet and a fresh air inlet, wherein the fresh air outlet and the fresh air inlet are opened and closed along with the opening of the fresh air fan 11.
Further, for ease of understanding, the indoor air dew point temperature, the indoor heat exchanger temperature, and the relationship between the indoor air dew point temperature and the indoor heat exchanger temperature will now be described.
In this embodiment, the dew point temperature of the indoor air represents the moisture content of the air, and when the moisture content of the air is high, the corresponding dew point temperature is higher in the same environment, and at this time, if the temperature of the indoor heat exchanger is lower than the dew point temperature of the indoor air, a part of water in the air is separated out to generate condensed water. As the condensed water is precipitated, the moisture content decreases, and the dew point temperature decreases. It is understood that the dew point temperature represents the difficulty of water precipitation in the air, and the lower the dew point temperature, the more difficult the water precipitation. It should be noted that, in this embodiment, the indoor heat exchanger temperature is related to the operation load of the air conditioner, that is, when the temperature difference between the indoor environment temperature and the set target temperature is large, the operation load of the air conditioner is high, and the air conditioner can be operated at a high frequency to quickly reach the set target temperature, and at this time, the indoor heat exchanger temperature is low; in contrast, when the temperature difference between the set target temperature and the environment is small, the operation load of the air conditioner is low, the air conditioner can be operated at a low frequency to reach the set target temperature, and the indoor heat exchanger temperature is high. In this embodiment, the temperature of the indoor heat exchanger is also related to the setting of the air level of the indoor unit under the same operation load of the air conditioner, and when the setting of the air level is high, the temperature of the indoor heat exchanger is high, and when the setting of the air level is low, the temperature of the indoor heat exchanger is low. For example: in the indoor 27 ℃ condition, the indoor heat exchanger temperature at the set 16 ℃ is lower than the indoor heat exchanger temperature at the set 24 ℃; and under the condition of indoor 27 ℃ and 16 ℃, the temperature of the indoor heat exchanger with the super strong wind shield is higher than that of the indoor heat exchanger with the low wind shield. According to the analysis, when the indoor air dew point temperature is greater than or equal to the indoor heat exchanger temperature, condensed water is separated out, and along with the separation of the condensed water, the indoor air dew point temperature is reduced, and then the cooling operation is carried out, the indoor environment temperature gradually reaches the set target temperature, and the indoor heat exchanger temperature gradually rises, so that the indoor heat exchanger temperature is gradually higher than the indoor air dew point temperature.
In some embodiments, such as the present embodiment, the step S110 may include steps S111-S112, as shown in fig. 3.
S111, acquiring the dew point temperature of indoor air and the temperature of an indoor heat exchanger;
s112, determining the maximum continuous operation time and the accumulated operation time according to the indoor air dew point temperature and the indoor heat exchanger temperature, and detecting whether the air conditioner meets the self-cleaning condition according to the maximum continuous operation time and the accumulated operation time.
In the embodiment, acquiring the indoor air dew point temperature and the indoor heat exchanger temperature, and judging whether the indoor air dew point temperature is greater than the indoor heat exchanger temperature; if the indoor heat exchanger temperature is not greater than the indoor air dew point temperature, indicating that condensed water is separated out, acquiring continuous operation time, updating operation times, and judging whether the operation times are preset operation times or not, wherein the continuous operation time is the operation time when the indoor air dew point temperature is greater than or equal to the indoor heat exchanger temperature; the preset operation times are 1 time; if the operation times are the preset operation times, indicating that the dew point temperature of the indoor air is greater than or equal to the temperature of the indoor heat exchanger for the first time, taking the continuous operation time as the maximum continuous operation time and the accumulated operation time; and if the operation times are not the preset operation times, indicating that the temperature of the dew point of the indoor air is not equal to or higher than the temperature of the indoor heat exchanger for the first time, updating the maximum continuous operation time and the accumulated operation time according to the continuous operation time. Specifically, judging whether the continuous operation time is larger than the maximum continuous operation time, and if the continuous operation time is larger than the maximum continuous operation time, indicating that the maximum continuous operation time needs to be updated, taking the continuous operation time as the maximum continuous operation time; calculating a sum of the continuous operation time and the accumulated operation time as the accumulated operation time.
In some embodiments, such as the present embodiment, as shown in fig. 4, the step S112 may include steps S1121-S1122.
S1121, if the maximum continuous operation time is not less than a preset continuous operation time and/or the accumulated operation time is not less than a preset accumulated operation time, judging that the air conditioner meets a self-cleaning condition;
And S1122, if the maximum continuous operation time is smaller than the preset continuous operation time and the accumulated operation time is smaller than the preset accumulated operation time, judging that the air conditioner does not meet the self-cleaning condition.
In this embodiment, after determining the maximum continuous operation time and the accumulated operation time, determining whether the maximum continuous operation time is smaller than the preset continuous operation time, where the preset continuous operation time is 6min; if the maximum continuous operation time is not less than the preset continuous operation time, judging that the air conditioner meets the self-cleaning condition; if the maximum continuous operation time is smaller than the preset continuous operation time, continuing to judge whether the accumulated operation time is smaller than the preset accumulated operation time or not; if the accumulated running time is not less than the preset accumulated running time, judging that the air conditioner meets a self-cleaning condition; otherwise, if the accumulated running time is smaller than the preset accumulated running time, the air conditioner is judged to not meet the self-cleaning condition. For convenience of understanding, it is assumed that the maximum continuous operation time and the accumulated operation time are t1 and t2, respectively, that is, when t1 is greater than or equal to 6min or t2 is greater than or equal to 15min, it is determined that the air conditioner satisfies a self-cleaning condition; when t1<6min and t2<15min, it is determined that the air conditioner does not satisfy the self-cleaning condition.
And S120, if the air conditioner meets the self-cleaning condition, after a shutdown control instruction is acquired, closing the upper air outlet, the lower air outlet and the main fan, starting the fresh air fan and the exhaust fan, and controlling the air conditioner to enter a heating mode so as to dry the indoor heat exchanger and the air duct.
In this embodiment, if the air conditioner satisfies the self-cleaning condition, after the shutdown control instruction is acquired, the upper air outlet, the lower air outlet and the main fan are closed, and the fresh air fan and the exhaust fan are opened. It should be noted that, in this embodiment, after the air conditioner is controlled to enter the heating mode, the air conditioner is operated at a low frequency to a preset drying time, where the preset drying time is 10min. It should be noted that, in this embodiment, if the air conditioner meets the self-cleaning condition, it indicates that condensed water will be generated on the indoor heat exchanger, during the refrigerating period of the air conditioner, the condensed water is pulled into the air duct by the main fan, when the generated condensed water is more, after the refrigerating operation is finished, the water in the air duct cannot be evaporated into the air in time, that is, not evaporated to dryness in time, and the remaining condensed water is very easy to grow mold, therefore, in this embodiment, by judging whether the self-cleaning control needs to be executed after the refrigerating is finished, if the self-cleaning needs to be executed, during the self-cleaning execution period, the air conditioner switches the heating mode to run for 10min at low frequency, the temperature of the indoor heat exchanger is increased to evaporate the condensed water inside the indoor heat exchanger and the air duct, so that the influence of the moisture on the health of users due to mold can be avoided; during self-cleaning, the upper air outlet, the lower air outlet and the main fan are closed, and the fresh air fan and the exhaust fan are started, so that outdoor air is sucked through the fresh air fan, air in the air channel is exhausted through the exhaust fan, a complete air circulation is formed, and heat generated during evaporation of the condensate water remained on the air channel and the indoor heat exchanger can be guided outdoors through the air circulation, so that indoor refrigeration comfort is improved.
Fig. 5 is a flow chart of a self-cleaning method of an air conditioner according to another embodiment of the present invention, as shown in fig. 5, in this embodiment, the method includes steps S210-S230, wherein steps S210-S220 are the same as steps S110-S120, and detailed description thereof will be omitted herein, specifically describing step S230.
S230, controlling the opening of the main fan according to the temperature of the indoor heat exchanger.
In this embodiment, whether the indoor heat exchanger temperature is greater than a first preset temperature threshold is determined, wherein the first preset temperature threshold is 58 ℃; and if the temperature of the indoor heat exchanger is greater than the first preset temperature threshold, starting the main fan. It should be noted that, in this embodiment, after the main fan is turned on, the rotation speed value of the main fan is increased, and as the rotation speed value of the main fan is increased, the indoor heat exchanger temperature is reduced, and when the indoor heat exchanger temperature is greater than a second preset temperature threshold and not greater than the first preset temperature threshold, the rotation speed value of the main fan is kept unchanged, where the second preset temperature threshold is 54 ℃; and if the temperature of the indoor heat exchanger is not greater than the second preset temperature threshold value, reducing the rotating speed value of the main fan. In this embodiment, if the indoor heat exchanger temperature is assumed to be Th, when 54 ℃ < Th is less than or equal to 58 ℃, the rotation speed value of the main fan is kept unchanged; if Th is less than or equal to 54 ℃, reducing the rotating speed value of the main fan; and if Th is higher than 58 ℃, increasing the rotating speed value of the main fan. In this embodiment, after the main fan is turned on according to the indoor heat exchanger temperature, the rotational speed of the main fan is adjusted to maintain the indoor heat exchanger temperature between 54 ℃ and 58 ℃, because the indoor heat exchanger temperature reacts to the refrigerant temperature, the refrigerant pressure is further reacted, and when the temperature is too high or too low, the refrigerant pressure is also increased and decreased, so that the reliability of the air conditioner is affected, and therefore the indoor heat exchanger temperature is maintained between 54 ℃ and 58 ℃, so that the reliability of the air conditioner can be improved.
Fig. 6 is a flow chart of a self-cleaning method of an air conditioner according to another embodiment of the present invention, as shown in fig. 6, in this embodiment, the method includes steps S310-S350, wherein steps S310-S330 are the same as steps S210-S230, and detailed descriptions thereof are omitted herein, specifically describing added steps S340 and S350.
S340, if the running time of the air conditioner entering the heating mode reaches the preset drying time, closing the main fan to obtain the outdoor temperature and the exhaust temperature;
S350, determining whether to close the fresh air fan and the exhaust fan according to the outdoor temperature and the exhaust temperature.
In this embodiment, if the running time of the air conditioner entering the heating mode reaches a preset drying time, wherein the preset drying time is 10min, the main fan is turned off, an outdoor temperature and an exhaust temperature are obtained, and whether the fresh air fan and the exhaust fan are turned off is determined according to the outdoor temperature and the exhaust temperature. Specifically, assuming that the exhaust temperature and the outdoor temperature are T Row of rows and T Outer part , respectively, calculating a temperature difference between the exhaust temperature and the outdoor temperature, and judging whether the temperature difference is not greater than a preset temperature difference, wherein the preset temperature difference is 2 ℃; if the temperature difference is not greater than the preset temperature difference, namely, if T Row of rows -T Outer part is less than or equal to 2 ℃, the fresh air fan and the exhaust fan are closed, and if the temperature difference is greater than the preset temperature difference, namely, T Row of rows -T Outer part is more than 2 ℃, the step of acquiring the outdoor temperature and the exhaust temperature is executed until T Row of rows -T Outer part is less than or equal to 2 ℃, and the fresh air fan and the exhaust fan are closed. It should be noted that, in this embodiment, after the self-cleaning is finished, if T Row of rows -T Outer part is higher than 2 ℃, it indicates that the temperature in the air duct is higher, and this portion of heat is transferred to the room to affect the cooling comfort of the user, so the fresh air fan and the exhaust fan cannot be turned off at this time, and the open states of the fresh air fan and the exhaust fan should be kept, so that the air circulates and the heat is transferred to the outside. In practical application, after self-cleaning is finished, the temperature of the air in the air duct is about 50-60 ℃, the outdoor temperature is about 30-35 ℃, and the two parts of air are controlled to exchange heat until the temperature of the air in the air duct is close to the temperature of the outdoor side, and at the moment, the fresh air fan and the exhaust fan are closed, so that the refrigerating comfort of a user can be improved. In other embodiments, in order to shorten the self-cleaning time, the upper air outlet may be opened, the step of obtaining the outdoor temperature and the exhaust temperature may be performed until T Row of rows -T Outer part is less than or equal to 2 ℃, and the upper air outlet, the fresh air fan and the exhaust fan may be closed. In practical application, the height of a user room is more than 2.8m, the height of a human body activity area is less than 2m, and the natural floating phenomenon of hot air is combined, so that when the heat generated by the air conditioner after self-cleaning floats to the top of an indoor room from the upper air outlet, the refrigerating comfort of the human body activity area is not affected, the heat treatment speed in the air duct can be accelerated, and the time of the whole self-cleaning process is shortened.
Fig. 7 is a flowchart of a self-cleaning method of an air conditioner according to another embodiment of the present invention, as shown in fig. 7, in this embodiment, the method includes steps S410-S460, wherein steps S410-S450 are the same as steps S310-S350, and detailed description thereof will be omitted herein, specifically describing added step S460.
S460, if the air conditioner does not meet the self-cleaning condition, executing shutdown operation after acquiring the shutdown control instruction.
In this embodiment, if the air conditioner does not meet the self-cleaning condition, it indicates that the maximum duration of the indoor heat exchanger temperature not greater than the indoor air dew point temperature is less than a preset duration of operation, and the accumulated operation time is less than a preset accumulated operation time, that is, when t1<6min and t2<15min, the air conditioner does not need to perform self-cleaning operation, and then performs shutdown operation after acquiring the shutdown control instruction.
For convenience of understanding, fig. 8 is a schematic flow chart of a self-cleaning method of an air conditioner according to an embodiment of the present invention. For simplicity of description, assuming that the indoor air dew point temperature and the indoor heat exchanger temperature are Td and Th, respectively, the maximum continuous operation time and the cumulative operation time are t1 and t2, respectively, as shown in fig. 8, if the air conditioner is in a cooling mode, td and Th are obtained, and t1 and t2 are recorded according to Td and Th; judging that t1 is more than or equal to 6min or t2 is more than or equal to 15min, if not, after detecting shutdown, not executing self-cleaning operation; if yes, closing the upper air outlet, the lower air outlet and the main fan, starting the fresh air fan and the exhaust fan, and controlling the air conditioner to enter a heating mode so as to dry the indoor heat exchanger and the air duct; if the preset drying time is 10min, acquiring an outdoor temperature T Outer part and an exhaust temperature T Row of rows , judging that T Row of rows -T Outer part is less than or equal to 2 ℃, and if not, returning to execute the step of acquiring the outdoor temperature and the exhaust temperature, and judging that T Row of rows -T Outer part is less than or equal to 2 ℃; if yes, the fresh air fan and the exhaust fan are closed. It should be noted that, in another embodiment, during the air conditioner enters the heating mode to dry the indoor heat exchanger and the air duct, the opening of the main fan may be controlled according to the temperature of the indoor heat exchanger, if the main fan is opened, the main fan is closed when the preset drying time is reached, and then the T Outer part and the T Row of rows are obtained. It is understood that in yet another embodiment, if T Row of rows -T Outer part is greater than 2 ℃, the upper air outlet may also be opened, and when T Row of rows -T Outer part is less than or equal to 2 ℃, the upper air outlet, the fresh air fan, and the exhaust fan are closed.
Fig. 9 is a schematic block diagram of a self-cleaning apparatus 200 of an air conditioner according to an embodiment of the present invention. As shown in fig. 9, the present invention also provides a self-cleaning apparatus 200 of an air conditioner, corresponding to the above self-cleaning method of an air conditioner. The self-cleaning apparatus 200 of the air conditioner includes a unit for performing the self-cleaning method of the air conditioner described above, and the apparatus may be configured in the air conditioner. Specifically, referring to fig. 9, the self-cleaning apparatus 200 of the air conditioner includes a detection unit 201 and a first control unit 202.
The detecting unit 201 is configured to detect whether the air conditioner satisfies a self-cleaning condition according to the obtained indoor air dew point temperature and the obtained indoor heat exchanger temperature if the air conditioner is in a cooling mode; the first control unit 202 is configured to close the upper air outlet, the lower air outlet, and the main fan after the power-off control command is obtained if the air conditioner satisfies the self-cleaning condition, and open the fresh air fan and the exhaust fan to control the air conditioner to enter a heating mode to dry the indoor heat exchanger and the air duct.
In some embodiments, for example, the detection unit 201 includes an acquisition unit and a detection subunit.
The acquisition unit is used for acquiring the dew point temperature of the indoor air and the temperature of the indoor heat exchanger; the detection subunit is used for determining the maximum continuous operation time and the accumulated operation time according to the indoor air dew point temperature and the indoor heat exchanger temperature, and detecting whether the air conditioner meets the self-cleaning condition according to the maximum continuous operation time and the accumulated operation time.
In some embodiments, for example, the detection subunit includes a first determination unit, a first acting, updating unit, a first determination unit, and a second determination unit.
The first judging unit is used for acquiring continuous operation time, updating operation times and judging whether the operation times are preset operation times or not if the temperature of the indoor heat exchanger is not greater than the dew point temperature of the indoor air; the first function is to use the continuous operation time as a maximum continuous operation time and an accumulated operation time if the operation time is the preset operation time; the updating unit is configured to update the maximum continuous operation time and the accumulated operation time according to the continuous operation time if the operation time is not the preset operation time; the first judging unit is used for judging that the air conditioner meets the self-cleaning condition if the maximum continuous operation time is not smaller than a preset continuous operation time and/or the accumulated operation time is not smaller than a preset accumulated operation time; the second judging unit is configured to judge that the air conditioner does not meet the self-cleaning condition if the maximum duration operation time is smaller than the preset duration operation time and the accumulated operation time is smaller than the preset accumulated operation time.
In some embodiments, for example the present embodiment, the update unit includes a second as unit and a calculation unit.
Wherein the second serving unit is configured to take the continuous operation time as the maximum continuous operation time if the continuous operation time is greater than the maximum continuous operation time; the calculation unit is configured to calculate a sum of the continuous operation time and the accumulated operation time as the accumulated operation time.
In some embodiments, for example, in the present embodiment, the self-cleaning apparatus 200 of the air conditioner further includes a second control unit, a closing acquisition unit, a determination unit, and an acquisition execution unit.
The second control unit is used for controlling the opening of the main fan according to the temperature of the indoor heat exchanger; the closing acquisition unit is used for closing the main fan to acquire outdoor temperature and exhaust temperature if the running time of the air conditioner entering the heating mode reaches the preset drying time; the determining unit is used for determining whether the fresh air fan and the exhaust fan are closed or not according to the outdoor temperature and the exhaust temperature; and the acquisition execution unit is used for executing shutdown operation after acquiring the shutdown control instruction if the air conditioner does not meet the self-cleaning condition.
In some embodiments, for example, in this embodiment, the second control unit includes a second judging unit, an opening unit, an increasing unit, a holding unit, and a decreasing unit.
The second judging unit is used for judging whether the temperature of the indoor heat exchanger is greater than a first preset temperature threshold value or not; the starting unit is used for starting the main fan if the temperature of the indoor heat exchanger is greater than the first preset temperature threshold; the increasing unit is used for increasing the rotating speed value of the main fan; the maintaining unit is used for maintaining the rotating speed value of the main fan unchanged if the temperature of the indoor heat exchanger is greater than a second preset temperature threshold value and is not greater than the first preset temperature threshold value; the reduction unit is used for reducing the rotating speed value of the main fan if the temperature of the indoor heat exchanger is not greater than the second preset temperature threshold value.
In some embodiments, for example, in this embodiment, the determining unit includes a third judging unit, a closing unit, a first executing unit, and a second executing unit.
The third judging unit is used for calculating the temperature difference between the exhaust temperature and the outdoor temperature and judging whether the temperature difference is not larger than a preset temperature difference or not; the closing unit is used for closing the fresh air fan and the exhaust fan if the temperature difference is not larger than the preset temperature difference; the first execution unit is used for executing the step of acquiring the outdoor temperature and the exhaust temperature if the temperature difference is larger than the preset temperature difference until the temperature difference is not larger than the preset temperature difference, and closing the fresh air fan and the exhaust fan; the second execution unit is used for opening the upper air outlet, executing the steps of acquiring the outdoor temperature and the exhaust temperature until the temperature difference is not larger than the preset temperature difference, and closing the upper air outlet, the fresh air fan and the exhaust fan.
The self-cleaning device of an air conditioner as described above may be implemented in the form of a computer program which can be run on the air conditioner as shown in fig. 10.
Referring to fig. 10, fig. 10 is a schematic block diagram of an air conditioner according to an embodiment of the present invention. The air conditioner 300 is a device having a self-cleaning function.
Referring to fig. 10, the air conditioner 300 includes a processor 302, a memory, and a network interface 305, which are connected through a system bus 301, wherein the memory may include a non-volatile storage medium 303 and an internal memory 304.
The non-volatile storage medium 303 may store an operating system 3031 and a computer program 3032. The computer program 3032, when executed, may cause the processor 302 to perform a self-cleaning method of an air conditioner.
The processor 302 is used to provide computing and control capabilities to support the operation of the overall air conditioner 300.
The internal memory 304 provides an environment for the execution of a computer program 3032 in the non-volatile storage medium 303, which computer program 3032, when executed by the processor 302, causes the processor 302 to perform a self-cleaning method of an air conditioner.
The network interface 305 is used for network communication with other devices. It will be appreciated by those skilled in the art that the structure shown in fig. 10 is merely a block diagram of a portion of the structure associated with the present invention and is not intended to limit the air conditioner 300 to which the present invention is applied, and that a particular air conditioner 300 may include more or fewer components than shown, or may combine certain components, or may have a different arrangement of components.
Wherein the processor 302 is configured to execute a computer program 3032 stored in a memory to implement any embodiment of the self-cleaning method of an air conditioner as described above.
It should be appreciated that in embodiments of the present invention, the Processor 302 may be a central processing unit (Central Processing Unit, CPU), the Processor 302 may also be other general purpose processors, digital signal processors (DIGITAL SIGNAL processors, DSPs), application SPECIFIC INTEGRATED Circuits (ASICs), off-the-shelf Programmable gate arrays (Field-Programmable GATE ARRAY, FPGA) or other Programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. Wherein the general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Those skilled in the art will appreciate that all or part of the flow in a method embodying the above described embodiments may be accomplished by computer programs instructing the relevant hardware. The computer program may be stored in a storage medium that is a computer readable storage medium. The computer program is executed by at least one processor in the computer system to implement the flow steps of the embodiments of the method described above.
Accordingly, the present invention also provides a storage medium. The storage medium may be a computer readable storage medium. The storage medium stores a computer program. The computer program, when executed by a processor, causes the processor to perform any of the embodiments of the self-cleaning method of an air conditioner described above.
The storage medium may be a U-disk, a removable hard disk, a Read-Only Memory (ROM), a magnetic disk, or an optical disk, or other various computer-readable storage media that can store program codes.
Those of ordinary skill in the art will appreciate that the elements and algorithm steps described in connection with the embodiments disclosed herein may be embodied in electronic hardware, in computer software, or in a combination of the two, and that the elements and steps of the examples have been generally described in terms of function in the foregoing description 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.
In the several embodiments provided by the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of each unit is only one logic function division, and there may be another division manner in actual implementation. For example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs. The units in the device of the embodiment of the invention can be combined, divided and deleted according to actual needs. In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The integrated unit may be stored in a storage medium if implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention is essentially or partly contributing to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, comprising several instructions for causing an air conditioner to perform all or part of the steps of the method according to the embodiments of the present invention.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
While the invention has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (13)
1. The self-cleaning method of the air conditioner is characterized in that the air conditioner comprises a fresh air fan, an exhaust fan, a main fan, an indoor heat exchanger, an air duct, an upper air outlet and a lower air outlet which are connected with the air duct, and the method comprises the following steps:
if the air conditioner is in a refrigeration mode, detecting whether the air conditioner meets a self-cleaning condition according to the acquired indoor air dew point temperature and the indoor heat exchanger temperature;
if the air conditioner meets the self-cleaning condition, after a shutdown control instruction is acquired, closing the upper air outlet, the lower air outlet and the main fan, starting the fresh air fan and the exhaust fan, and controlling the air conditioner to enter a heating mode to dry the indoor heat exchanger and the air duct;
the step of detecting whether the air conditioner meets the self-cleaning condition according to the acquired indoor air dew point temperature and the indoor heat exchanger temperature comprises the following steps:
acquiring the dew point temperature of indoor air and the temperature of an indoor heat exchanger;
Determining maximum continuous operation time and accumulated operation time according to the indoor air dew point temperature and the indoor heat exchanger temperature, and detecting whether the air conditioner meets self-cleaning conditions according to the maximum continuous operation time and the accumulated operation time;
the step of determining a maximum continuous operation time and an accumulated operation time according to the indoor air dew point temperature and the indoor heat exchanger temperature comprises the following steps:
If the temperature of the indoor heat exchanger is not greater than the dew point temperature of the indoor air, acquiring continuous operation time, updating operation times, and judging whether the operation times are preset operation times or not;
if the operation times are the preset operation times, taking the continuous operation time as the maximum continuous operation time and the accumulated operation time;
and if the running times are not the preset running times, updating the maximum continuous running time and the accumulated running time according to the continuous running time.
2. The method of claim 1, wherein the step of updating the maximum run-time and the accumulated run-time according to the run-time comprises:
If the continuous operation time is larger than the maximum continuous operation time, taking the continuous operation time as the maximum continuous operation time;
calculating a sum of the continuous operation time and the accumulated operation time as the accumulated operation time.
3. The method of claim 1, wherein the step of detecting whether the air conditioner satisfies a self-cleaning condition based on the maximum continuous operation time and the accumulated operation time comprises:
if the maximum continuous operation time is not smaller than the preset continuous operation time and/or the accumulated operation time is not smaller than the preset accumulated operation time, judging that the air conditioner meets the self-cleaning condition;
and if the maximum continuous operation time is smaller than the preset continuous operation time and the accumulated operation time is smaller than the preset accumulated operation time, judging that the air conditioner does not meet the self-cleaning condition.
4. The method according to claim 1, wherein the method further comprises:
and controlling the opening of the main fan according to the temperature of the indoor heat exchanger.
5. The method of claim 4, wherein the step of controlling the activation of the main blower according to the indoor heat exchanger temperature comprises:
judging whether the temperature of the indoor heat exchanger is greater than a first preset temperature threshold value or not;
And if the temperature of the indoor heat exchanger is greater than the first preset temperature threshold, starting the main fan.
6. The method of claim 5, further comprising, after the step of turning on the main blower:
Increasing the rotating speed value of the main fan;
If the temperature of the indoor heat exchanger is larger than a second preset temperature threshold value and is not larger than the first preset temperature threshold value, keeping the rotating speed value of the main fan unchanged;
And if the temperature of the indoor heat exchanger is not greater than the second preset temperature threshold value, reducing the rotating speed value of the main fan.
7. The method according to claim 4, wherein the method further comprises:
if the running time of the air conditioner entering the heating mode reaches the preset drying time, closing the main fan to obtain the outdoor temperature and the exhaust temperature;
And determining whether to close the fresh air fan and the exhaust fan according to the outdoor temperature and the exhaust temperature.
8. The method of claim 7, wherein the step of determining whether to shut down the fresh air fan and the exhaust air fan based on the outdoor temperature and the exhaust air temperature comprises:
Calculating the temperature difference between the exhaust temperature and the outdoor temperature, and judging whether the temperature difference is not more than a preset temperature difference;
and if the temperature difference is not greater than the preset temperature difference, closing the fresh air fan and the exhaust fan.
9. The method of claim 8, wherein after the step of determining whether the temperature difference is not greater than a preset temperature difference, further comprising:
If the temperature difference is larger than the preset temperature difference, executing the step of acquiring the outdoor temperature and the exhaust temperature until the temperature difference is not larger than the preset temperature difference, and closing the fresh air fan and the exhaust fan; or (b)
And opening the upper air outlet, executing the step of acquiring the outdoor temperature and the exhaust temperature until the temperature difference is not larger than the preset temperature difference, and closing the upper air outlet, the fresh air fan and the exhaust fan.
10. The method according to claim 1, wherein after the step of detecting whether the air conditioner satisfies a self-cleaning condition based on the obtained indoor air dew point temperature and indoor heat exchanger temperature, further comprising:
And if the air conditioner does not meet the self-cleaning condition, executing shutdown operation after acquiring the shutdown control instruction.
11. A self-cleaning apparatus of an air conditioner, comprising:
the detection unit is used for detecting whether the air conditioner meets self-cleaning conditions according to the acquired indoor air dew point temperature and the indoor heat exchanger temperature if the air conditioner is in a refrigerating mode;
The first control unit is used for closing the upper air outlet, the lower air outlet and the main fan after the shutdown control instruction is acquired if the air conditioner meets the self-cleaning condition, starting the fresh air fan and the exhaust fan, and controlling the air conditioner to enter a heating mode to dry the indoor heat exchanger and the air duct;
Wherein the detection unit includes:
an acquisition unit for acquiring the indoor air dew point temperature and the indoor heat exchanger temperature;
the detection subunit determines the maximum continuous operation time and the accumulated operation time according to the indoor air dew point temperature and the indoor heat exchanger temperature, and detects whether the air conditioner meets the self-cleaning condition according to the maximum continuous operation time and the accumulated operation time;
The detection subunit includes:
the first judging unit is used for acquiring continuous operation time, updating operation times and judging whether the operation times are preset operation times or not if the temperature of the indoor heat exchanger is not greater than the dew point temperature of the indoor air;
the first unit is configured to take the continuous operation time as a maximum continuous operation time and an accumulated operation time if the operation time is the preset operation time;
And the updating unit is used for updating the maximum continuous operation time and the accumulated operation time according to the continuous operation time if the operation times are not the preset operation times.
12. An air conditioner, characterized in that the air conditioner comprises a controller, a fresh air fan, an exhaust fan, a main fan, an indoor heat exchanger, an air duct, and an upper air outlet and a lower air outlet connected with the air duct, the controller comprises a memory and a processor, the memory stores a computer program, and the processor executes the computer program to realize the method according to any one of claims 1-10.
13. A computer readable storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the method according to any of claims 1-10.
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| CN117287746B (en) * | 2023-11-27 | 2024-02-27 | 珠海格力电器股份有限公司 | Dehumidifying method for air conditioner |
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