CN108050650B - Air conditioner filth blockage detection method and device and computer readable storage medium - Google Patents
Air conditioner filth blockage detection method and device and computer readable storage medium Download PDFInfo
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- CN108050650B CN108050650B CN201711199189.1A CN201711199189A CN108050650B CN 108050650 B CN108050650 B CN 108050650B CN 201711199189 A CN201711199189 A CN 201711199189A CN 108050650 B CN108050650 B CN 108050650B
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Abstract
The invention provides a method and a device for detecting filth blockage of an air conditioner and a computer readable storage medium, wherein when a filth blockage detection instruction is received, the air conditioner is controlled to operate, and a first time interval for reducing a preset temperature value of an indoor heat exchanger in the air conditioner is calculated under the condition of keeping the current indoor temperature unchanged; acquiring the current indoor temperature of the air conditioner, and determining a standard time interval for reducing the preset temperature value by the indoor heat exchanger according to the current indoor temperature in prestored data; and comparing the first time interval with the standard time interval, and judging whether the indoor heat exchanger is dirty or not according to a comparison result. According to the invention, whether the indoor heat exchanger is dirty or not is judged by comparing the first time interval with the standard time interval. The method is simple to operate, does not need to increase any cost, and solves the technical problem that the existing air conditioner filth blockage detection method is high in cost.
Description
Technical Field
The invention relates to the field of communication, in particular to a method and a device for detecting filth blockage of an air conditioner and a computer readable storage medium.
Background
The conventional outdoor unit of an air conditioner is generally installed outdoors, and an outdoor heat exchanger therein is exposed to an external environment for a long time. When the foreign matters such as dust and the like falling on the filter screen of the outdoor heat exchanger reach a certain amount, the outdoor heat exchanger is dirty and blocked, and when air generated by the outdoor fan during working passes through the outdoor heat exchanger, the foreign matters on the surface of the heat exchanger are sucked onto the filter screen of the outdoor heat exchanger, so that the dirty and blocking of the outdoor heat exchanger are further aggravated. Once the outdoor heat exchanger is dirty and blocked, the heat exchange function is poor, the heat exchange effect is poor, the exhaust pressure and the temperature of the compressor are too high, and finally the outdoor unit is shut down.
At present, the filth blockage degree of a filter screen is mainly detected by detecting the change condition of the air conditioner fan power, namely the filth blockage degree of the filter screen is judged by detecting the fan power. The detection of the fan power requires the current passing through the detection fan, so that an additional detection circuit is required, thereby increasing the cost.
Disclosure of Invention
The invention mainly aims to provide a method and a device for detecting filth blockage of an air conditioner and a computer readable storage medium, and aims to solve the technical problem that the existing method for detecting filth blockage of the air conditioner is high in cost.
In order to achieve the purpose, the invention provides an air conditioner filth blockage detection method, which comprises the following steps:
when a filth blockage detection instruction is received, controlling the air conditioner to operate, and calculating a first time interval for reducing a preset temperature value by an indoor heat exchanger in the air conditioner under the condition of keeping the current indoor temperature unchanged;
acquiring the current indoor temperature of the air conditioner, and determining a standard time interval for reducing the preset temperature value by the indoor heat exchanger according to the current indoor temperature in prestored data;
and comparing the first time interval with the standard time interval, and judging whether the indoor heat exchanger is dirty or not according to a comparison result.
Optionally, the step of controlling the air conditioner to operate when the filth blockage detection instruction is received, and calculating a first time interval for reducing the preset temperature value of the indoor heat exchanger in the air conditioner under the condition that the current indoor temperature is kept unchanged specifically includes:
when a filth blockage detection instruction is received, controlling a compressor of the air conditioner to operate, and closing an indoor fan of the air conditioner to set the temperature of the indoor heat exchanger to be a first temperature value;
when the indoor heat exchanger reaches a first temperature value, the compressor is closed, the indoor fan is controlled to operate at a preset rotating speed, and the temperature of the indoor heat exchanger is reduced to a second temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and calculating the time interval of the indoor heat exchanger from the first temperature value to the second temperature value as a first time interval.
Optionally, the step of obtaining the current indoor temperature of the air conditioner and determining the standard time interval for reducing the preset temperature value by the indoor heat exchanger according to the current indoor temperature in pre-stored data specifically includes:
the method comprises the steps of obtaining the current indoor temperature of the air conditioner, and determining the standard time interval of reducing a first temperature value of an indoor heat exchanger to a second temperature value according to the current indoor temperature and the preset rotating speed corresponding to an indoor fan in prestored data.
Optionally, the step of controlling the air conditioner to operate when the filth blockage detection instruction is received, and calculating a first time interval for reducing the preset temperature value of the indoor heat exchanger in the air conditioner under the condition that the current indoor temperature is kept unchanged specifically includes:
when a filth blockage detection instruction is received, acquiring a current temperature value of the indoor heat exchanger;
closing the compressor, and controlling the indoor fan to operate so as to reduce the temperature of the indoor heat exchanger to a third temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and calculating the time interval of the indoor heat exchanger from the current temperature value to the third temperature value as a first time interval.
Optionally, after the step of obtaining the current temperature value of the indoor heat exchanger when the filth blockage detection instruction is received, the method further includes:
judging whether the current temperature value reaches a preset temperature threshold value or not;
when the current temperature value reaches a preset temperature threshold value, closing the compressor, controlling the indoor fan to operate at a preset rotating speed, and reducing the temperature of the indoor heat exchanger to a third temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and when the current temperature value does not reach the preset temperature threshold value, controlling the compressor to operate, and closing the indoor fan to set the temperature of the indoor heat exchanger to the preset temperature threshold value.
Optionally, the step of comparing the first time interval with the standard time interval, and determining whether the indoor heat exchanger is dirty or not according to the comparison result specifically includes:
judging whether the first time interval is larger than the standard time interval or not;
and if the first time interval is larger than the standard time interval, judging that the indoor heat exchanger is dirty and blocked.
Optionally, after the step of determining that the indoor heat exchanger is dirty and blocked if the first time interval is greater than the standard time interval, the method further includes:
and when the indoor heat exchanger is judged to be dirty and blocked, acquiring an interval difference value between the first time interval and the standard time interval, and determining the degree grade of the dirty and blocked according to the interval difference value.
Optionally, after the step of determining whether the first time interval is greater than the standard time interval, the method further includes:
if the first time interval is not greater than the standard time interval, judging that the indoor heat exchanger is not dirty and blocked;
and when judging that the indoor heat exchanger is not dirty and blocked, outputting prompt information that the indoor heat exchanger is not dirty and blocked, and automatically exiting a dirty and blocked detection mode.
In addition, in order to achieve the above object, the present invention further provides an air conditioner filth blockage detection device, which includes a processor, a memory, and an air conditioner filth blockage detection program stored in the memory and operable on the processor, wherein the air conditioner filth blockage detection program implements the steps described above when executed by the processor.
In addition, in order to achieve the above object, the present invention further provides a computer readable storage medium, where an air conditioner filth blockage detection program is stored, and when the air conditioner filth blockage detection program is executed by a processor, the steps of the air conditioner filth blockage detection method are implemented.
The invention provides a method and a device for detecting filth blockage of an air conditioner and a computer readable storage medium, wherein the method for detecting filth blockage of the air conditioner comprises the following steps: when a filth blockage detection instruction is received, controlling the air conditioner to operate, and calculating a first time interval for reducing a preset temperature value by an indoor heat exchanger in the air conditioner under the condition of keeping the current indoor temperature unchanged; acquiring the current indoor temperature of the air conditioner, and determining a standard time interval for reducing the preset temperature value by the indoor heat exchanger according to the current indoor temperature in prestored data; and comparing the first time interval with the standard time interval, and judging whether the indoor heat exchanger is dirty or not according to a comparison result. Through the mode, the principle that the time for reducing the same temperature value by the heat exchanger is related to the filth blockage degree of the air conditioner is utilized, the standard time interval for reducing the preset temperature value by the heat exchanger at the preset indoor temperature when the filter screen of the heat exchanger is not filth blocked is obtained, then the actual time interval for actually detecting the current heat exchanger to reduce the same temperature value, namely the first time interval, is detected under the environment of keeping the same indoor temperature, and the actual first time interval is compared with the standard time interval, so that whether the filth blockage occurs to the indoor heat exchanger is judged. The method is simple, does not need to increase any cost, and solves the technical problem of high cost of the existing air conditioner filth blockage detection method.
Drawings
Fig. 1 is a schematic terminal structure diagram of a hardware operating environment of an air conditioner filth blockage detection device according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating a method for detecting filth blockage of an air conditioner according to a first embodiment of the present invention;
FIG. 3 is a schematic flow chart illustrating a method for detecting filth blockage of an air conditioner according to a second embodiment of the present invention;
fig. 4 is a flowchart illustrating a filth blockage detection method for an air conditioner according to a third embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The main idea of the embodiment scheme of the invention is as follows: when a filth blockage detection instruction is received, controlling the air conditioner to operate, and calculating a first time interval for reducing a preset temperature value of an indoor heat exchanger in the air conditioner under the condition of keeping the current indoor temperature unchanged; acquiring the current indoor temperature of the air conditioner, and determining a standard time interval for reducing the preset temperature value by the indoor heat exchanger according to the current indoor temperature in prestored data; and comparing the first time interval with the standard time interval, and judging whether the indoor heat exchanger is dirty or not according to a comparison result, so that the technical problem that the existing air conditioner dirty and blockage detection method is high in cost is solved.
Referring to fig. 1, fig. 1 is a schematic terminal structure diagram of a hardware operating environment of an air conditioner filth blockage detection device according to an embodiment of the present invention.
The terminal of the embodiment of the invention can be a PC, and can also be a mobile terminal device with a display function, such as a smart phone, a tablet computer, an electronic book reader, an MP4(Moving Picture Experts Group Audio Layer IV) player, a portable computer and the like. As shown in fig. 1, the terminal may include a processor 1001 (e.g., CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. The communication bus 1002 is used for realizing connection communication among the components; the user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard); the network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface); the memory 1005 may be a high-speed RAM memory, or may be a non-volatile memory (e.g., a magnetic disk memory), and optionally, the memory 1005 may be a storage device independent of the processor 1001.
Those skilled in the art will appreciate that the terminal configuration of the hardware operating environment of the air conditioner filth detection device shown in fig. 1 does not constitute a limitation of the air conditioner filth detection device of the present invention, and may include more or less components than those shown, or some components in combination, or a different arrangement of components.
With continued reference to fig. 1, the memory 1005 of fig. 1, which is one type of computer storage medium, may include an operating system, a network communication module, a user interface module, and an air conditioner filth detection program.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a cloud server and performing data communication with the cloud server; the network interface 1004 is also used to connect to provide a cross-contamination prevention platform that includes generic function modules for providing various service functions. The user interface 1003 may be connected to a client (user side) and performs data communication with the client; and the processor 1001 may be configured to call the air conditioner filth detection program stored in the memory 1005, and perform the following operations:
when a filth blockage detection instruction is received, controlling the air conditioner to operate, and calculating a first time interval for reducing a preset temperature value by an indoor heat exchanger in the air conditioner under the condition of keeping the current indoor temperature unchanged;
acquiring the current indoor temperature of the air conditioner, and determining a standard time interval for reducing the preset temperature value by the indoor heat exchanger according to the current indoor temperature in prestored data;
and comparing the first time interval with the standard time interval, and judging whether the indoor heat exchanger is dirty or not according to a comparison result.
Further, the processor 1001 may also call the air conditioner filth blockage detection program stored in the memory 1005, and perform the following operations:
when a filth blockage detection instruction is received, controlling a compressor of the air conditioner to operate, and closing an indoor fan of the air conditioner to set the temperature of the indoor heat exchanger to be a first temperature value;
when the indoor heat exchanger reaches a first temperature value, the compressor is closed, the indoor fan is controlled to operate at a preset rotating speed, and the temperature of the indoor heat exchanger is reduced to a second temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and calculating the time interval of the indoor heat exchanger from the first temperature value to the second temperature value as a first time interval.
Further, the processor 1001 may also call the air conditioner filth blockage detection program stored in the memory 1005, and perform the following operations:
the method comprises the steps of obtaining the current indoor temperature of the air conditioner, and determining the standard time interval of reducing a first temperature value of an indoor heat exchanger to a second temperature value according to the current indoor temperature and the preset rotating speed corresponding to an indoor fan in prestored data.
Further, the processor 1001 may also call the air conditioner filth blockage detection program stored in the memory 1005, and perform the following operations:
when a filth blockage detection instruction is received, acquiring a current temperature value of the indoor heat exchanger;
closing the compressor, and controlling the indoor fan to operate so as to reduce the temperature of the indoor heat exchanger to a third temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and calculating the time interval of the indoor heat exchanger from the current temperature value to the third temperature value as a first time interval.
Further, the processor 1001 may also call the air conditioner filth blockage detection program stored in the memory 1005, and perform the following operations:
judging whether the current temperature value reaches a preset temperature threshold value or not;
when the current temperature value reaches a preset temperature threshold value, closing the compressor, controlling the indoor fan to operate at a preset rotating speed, and reducing the temperature of the indoor heat exchanger to a third temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and when the current temperature value does not reach the preset temperature threshold value, controlling the compressor to operate, and closing the indoor fan to set the temperature of the indoor heat exchanger to the preset temperature threshold value.
Further, the processor 1001 may also call the air conditioner filth blockage detection program stored in the memory 1005, and perform the following operations:
judging whether the first time interval is larger than the standard time interval or not;
and if the first time interval is larger than the standard time interval, judging that the indoor heat exchanger is dirty and blocked.
Further, the processor 1001 may also call the air conditioner filth blockage detection program stored in the memory 1005, and perform the following operations:
and when the indoor heat exchanger is judged to be dirty and blocked, acquiring an interval difference value between the first time interval and the standard time interval, and determining the degree grade of the dirty and blocked according to the interval difference value.
Further, the processor 1001 may also call the air conditioner filth blockage detection program stored in the memory 1005, and perform the following operations:
if the first time interval is not greater than the standard time interval, judging that the indoor heat exchanger is not dirty and blocked;
and when judging that the indoor heat exchanger is not dirty and blocked, outputting prompt information that the indoor heat exchanger is not dirty and blocked, and automatically exiting a dirty and blocked detection mode.
Based on the hardware structure, the embodiment of the air conditioner filth blockage detection method is provided.
Referring to fig. 2, fig. 2 is a schematic flow chart of a method for detecting filth blockage of an air conditioner according to a first embodiment of the present invention.
In this embodiment, the air conditioner filth blockage detection method includes the following steps:
step S10, when a filth blockage detection instruction is received, controlling the air conditioner to operate, and calculating a first time interval for reducing a preset temperature value of an indoor heat exchanger in the air conditioner under the condition of keeping the current indoor temperature unchanged;
in this embodiment, the existing air conditioner filth blockage detection method includes two methods, one method is to obtain how long the filter screen generally works and needs to be cleaned and prompted through certain test data, that is, the time is a fixed value, for example, 200 hours. And then cleaning operation of the filter screen is carried out according to the fixed time value. However, the time fixed value in the method is only to estimate the filter screen under the ordinary condition, and cannot reflect the actual filter screen filth blockage program. For example, in a southern area where air quality is good, the filter screen may not be clogged by the fixed time, while in a northern area where air is poor, the filter screen may be clogged without the set fixed time. The other method is to detect filth blockage of the filter screen by detecting the change condition of the air conditioner fan power. Namely, when the filter screen is clean, the wind resistance is large, and the power of the fan is large; when the filter screen is dirty and blocked, the wind resistance is small, and the power of the fan is small. However, the method of detecting the filth blockage through power requires a detection current, thus increasing the cost of the detection circuit, and is easily affected by the condensed water on the filter screen when detecting the current, resulting in an error in the detection result. In order to solve the technical problem that the existing air conditioner filth blockage detection method is high in cost, a principle that time for reducing the same temperature value by a heat exchanger is related to filth blockage degree of an air conditioner is utilized, a standard time interval for reducing the preset temperature value by the heat exchanger at the preset indoor temperature is obtained when a filter screen of the heat exchanger is not filth blocked, then under the condition of keeping the same indoor temperature, an actual time interval, namely a first time interval for actually detecting the current heat exchanger to reduce the same temperature value is detected, and the actual time interval is compared with the standard time interval, so that whether the indoor heat exchanger is filth blocked or not is judged. Specifically, when an external filth blockage detection instruction is received, the air conditioner is controlled to operate according to a preset rule, for example, a compressor in the air conditioner is controlled to operate according to preset power, so that refrigeration or heating is performed. The operation of the compressor is mainly to heat or cool the heat exchanger to a preset temperature. Or controlling an indoor fan in the air conditioner to operate according to a preset rotating speed, wherein the indoor fan is mainly used for accelerating the cooling of the heat exchanger. And the current indoor temperature is kept unchanged or kept within a preset temperature range by controlling the operation of an air conditioner, so that the heat exchanger is cooled at the same indoor environment temperature. The time interval of reducing the preset temperature value of the indoor heat exchanger in the environment that the current indoor temperature is kept unchanged can be calculated through the timer, and the time interval is recorded as a first time interval.
Step S20, acquiring the current indoor temperature of the air conditioner, and determining the standard time interval for reducing the preset temperature value of the indoor heat exchanger according to the current indoor temperature in prestored data;
specifically, when the filter screen of the indoor heat exchanger is not dirty and blocked, the indoor heat exchanger is lowered by a preset temperature value under the condition that the indoor environment temperature is kept unchanged, and the time interval is recorded and set as a standard time interval. The indoor ambient temperature may be a plurality of groups of common indoor ambient temperatures, such as 22-28 ℃. The preset temperature value can be 60 degrees to 20 degrees, 50 degrees to 30 degrees, and the like. And the preset temperature values should be the same starting temperature, the same final temperature, and the same temperature interval. The method comprises the steps of obtaining the current indoor temperature of the air conditioner, and then determining a corresponding standard time interval according to the current indoor temperature in prestored data. The current indoor temperature can be increased or decreased to a preset indoor environment temperature for detection.
And step S30, comparing the first time interval with the standard time interval, and judging whether the indoor heat exchanger is dirty or not according to the comparison result.
Specifically, the first time interval is compared with the standard time interval. According to the principle that the degree of a filter screen of the heat exchanger is in direct proportion to the cooling speed, whether the cooling time, namely the first time interval, of the indoor heat exchanger is prolonged or not is judged according to the comparison result, and whether the indoor heat exchanger is dirty and blocked or not is judged.
The implementation provides an air conditioner filth blockage detection method, an air conditioner filth blockage detection device and a computer readable storage medium, wherein the air conditioner filth blockage detection method comprises the following steps: when a filth blockage detection instruction is received, controlling the air conditioner to operate, and calculating a first time interval for reducing a preset temperature value by an indoor heat exchanger in the air conditioner under the condition of keeping the current indoor temperature unchanged; acquiring the current indoor temperature of the air conditioner, and determining a standard time interval for reducing the preset temperature value by the indoor heat exchanger according to the current indoor temperature in prestored data; and comparing the first time interval with the standard time interval, and judging whether the indoor heat exchanger is dirty or not according to a comparison result. Through the mode, the invention utilizes the principle that the time for reducing the same temperature value by the heat exchanger is related to the filth blockage degree of the air conditioner, obtains the standard time interval for reducing the preset temperature value by the heat exchanger under the preset indoor temperature when the filter screen of the heat exchanger is not filth blocked, then actually detects the actual time interval, namely the first time interval, for reducing the same temperature value by the current heat exchanger under the environment of keeping the same indoor temperature, and judges whether the filth blockage occurs to the indoor heat exchanger or not by comparing the actual time interval with the standard time interval. The method is simple, does not need to increase any cost, and solves the technical problem that the existing air conditioner filth blockage detection method is high in cost.
Referring to fig. 3, fig. 3 is a flowchart illustrating a filth blockage detection method for an air conditioner according to a second embodiment of the present invention.
Based on the foregoing embodiment shown in fig. 2, further, in this embodiment, step S10 specifically includes:
step S11, when a filth blockage detection instruction is received, controlling a compressor of the air conditioner to operate, and closing an indoor fan of the air conditioner to set the temperature of the indoor heat exchanger to be a first temperature value;
specifically, when an external filth blockage detection instruction is received, in order to improve the accuracy of a detection result, the indoor heat exchanger is lowered by a preset temperature value under the condition that the indoor environment temperature is kept relatively unchanged. In order to improve the accuracy of the detection result, the initial temperature of the indoor heat exchanger before cooling, namely the first temperature value, can be set by oneself, that is to say, the indoor heat exchanger is heated up or cooled to the first temperature value, and then the actual cooling time interval is detected. In order to adjust the indoor heat exchanger to a first temperature value as soon as possible, the compressor of the air conditioner is controlled to operate, namely, the air conditioner performs cooling or heating, an indoor fan of the air conditioner is turned off, a closed space of the indoor heat exchanger is kept, and the heating or cooling speed is further increased.
Step S12, when the indoor heat exchanger reaches a first temperature value, the compressor is closed, the indoor fan is controlled to operate at a preset rotating speed, and the temperature of the indoor heat exchanger is reduced to a second temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
specifically, when the indoor heat exchanger is detected to reach a set first temperature value, the compressor is turned off, even if the indoor heat exchanger maintains the current first temperature value, and the indoor fan is controlled to operate at a preset rotating speed, even if the indoor heat exchanger is cooled at the preset rotating speed of the fan. The time interval of the cooling speed is generally 1-2 min, so that the current indoor temperature can be regarded as being kept unchanged under the condition that the compressor is turned off.
Step S13, calculating a time interval of the indoor heat exchanger from the first temperature value to the second temperature value as a first time interval.
Specifically, a time interval, namely a first time interval, between the time when the indoor heat exchanger is decreased from the first temperature value to the second temperature value by the preset temperature value can be calculated by a timer.
Further, step S10 specifically includes:
step S14, when a filth blockage detection instruction is received, acquiring a current temperature value of the indoor heat exchanger;
specifically, in order to save energy, the current temperature value of the indoor heat exchanger may be used as an initial temperature value before cooling, that is, the current temperature value of the indoor heat exchanger is detected and obtained by a temperature sensor of the indoor heat exchanger.
Step S15, the compressor is turned off, the indoor fan is controlled to operate at a preset rotating speed, and the temperature of the indoor heat exchanger is reduced to a third temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
specifically, the compressor is turned off, refrigeration or heating is stopped, and the indoor fan is controlled to operate at a preset rotating speed, so that the indoor heat exchanger is controlled to be lowered from the current temperature value to a preset temperature value to a third temperature value under the condition that the current indoor environment temperature is not changed.
Step S16, calculating a time interval of the indoor heat exchanger from the current temperature value to the third temperature value as a first time interval.
Specifically, a third time interval during which the indoor heat exchanger is decreased from the current temperature value to a third temperature value may be calculated by a timer.
Step S17, judging whether the current temperature value reaches a preset temperature threshold value;
specifically, in order to prevent the current temperature value of the indoor heat exchanger from not reaching a preset temperature threshold value, the cooling temperature value of the indoor heat exchanger is not reached the preset temperature value. Firstly, judging whether the current temperature value reaches a preset temperature threshold value.
Step S18, when the current temperature value reaches a preset temperature threshold value, the compressor is closed, the indoor fan is controlled to operate at a preset rotating speed, and the temperature of the indoor heat exchanger is reduced to a third temperature value according to the preset temperature value under the condition that the current indoor temperature is kept unchanged;
specifically, if the current temperature value reaches a preset temperature threshold value, the preset temperature value can be directly reduced on the basis of the current temperature value, namely the compressor needs to be closed, and the indoor fan is controlled to operate at a preset rotating speed, so that the temperature of the indoor heat exchanger is reduced to a third temperature value according to the preset temperature value under the condition that the current indoor temperature is kept unchanged.
And step S19, when the current temperature value does not reach the preset temperature threshold value, controlling the compressor to operate, and closing the indoor fan so as to set the temperature of the indoor heat exchanger as the preset temperature threshold value.
Specifically, if the current temperature value does not reach the preset temperature threshold value, the compressor needs to be controlled to operate, the indoor fan is closed, and therefore the temperature of the indoor heat exchanger is increased or the preset temperature threshold value of children is reduced as soon as possible, and subsequent cooling is facilitated.
Further, step S20 specifically includes:
and step S21, acquiring the current indoor temperature of the air conditioner, and determining the standard time interval for reducing the first temperature value of the indoor heat exchanger to the second temperature value according to the current indoor temperature and the preset rotating speed corresponding to the indoor fan in prestored data.
Specifically, the current indoor temperature of the air conditioner is acquired, and the corresponding standard time interval is matched in the pre-stored data according to the current indoor temperature, the preset rotating speed corresponding to the indoor fan and the reduction of the first temperature value to the second temperature value or the reduction of the current temperature value to the third temperature value.
In the mode, the invention utilizes the principle that the time for reducing the same temperature value by the heat exchanger is related to the filth blockage degree of the air conditioner, obtains the standard time interval for reducing the preset temperature value by the heat exchanger at the preset indoor temperature when the filter screen of the heat exchanger is not filth-blocked, then actually detects the actual time interval, namely the first time interval, for reducing the same temperature value by the current heat exchanger under the environment of keeping the same indoor temperature, and judges whether the filth blockage occurs to the indoor heat exchanger by comparing the actual time interval with the standard time interval. The method is simple, does not need to increase any cost, and solves the technical problem that the existing air conditioner filth blockage detection method is high in cost.
Referring to fig. 4, fig. 4 is a flowchart illustrating an intelligent air control method of an air conditioner according to a third embodiment of the present invention.
In this embodiment, based on the above embodiment shown in fig. 2, step S30 specifically includes:
step S31, determining whether the first time interval is greater than the standard time interval;
specifically, the standard time interval is a time interval of reducing the preset temperature value by the heat exchanger under the condition that the filter screen is not blocked. When the air conditioner is dirty and blocked, the air quantity passing through the heat exchanger and the air outlet can be influenced, and therefore the temperature change rate of the indoor heat exchanger is influenced. When the air conditioner stops refrigerating or heating, the indoor fan operates at a preset rotating speed, the time difference of the indoor heat exchanger for reducing the preset temperature value is related to the filth blockage degree of the air conditioner, and the time difference and the filth blockage degree are in a direct proportion relation. The longer the time difference of the indoor heat exchanger for reducing the preset temperature value is, the smaller the air volume passing through the air conditioner heat exchanger is, and the more serious the filth blockage degree of the air conditioner is. The shorter the time difference of the indoor heat exchanger for reducing the preset temperature value is, the larger the air quantity passing through the air conditioner heat exchanger is, and the lighter the filth blockage degree of the air conditioner is. Thus, the standard time interval is the minimum time interval. And comparing and judging the first time interval with the standard time interval.
Step S32, if the first time interval is greater than the standard time interval, determining that the indoor heat exchanger is dirty and blocked.
Specifically, if the first time interval is greater than the standard time interval, it is determined that the air conditioner is dirty and blocked by a small air volume of the air conditioner heat exchanger.
Step S33, if the first time interval is not larger than the standard time interval, it is determined that the indoor heat exchanger is not dirty and blocked;
specifically, if the first time interval is equal to the standard time interval, the air volume passing through the air-conditioning heat exchanger is normal, and it is determined that the indoor heat exchanger is not dirty and blocked. In a specific embodiment, since the indoor ambient temperature, the rotation speed, and the like cannot be kept under the same conditions, and there is a relative error, it may be determined that the air volume passing through the indoor heat exchanger of the air conditioner is normal and the indoor heat exchanger is not dirty and blocked, if the first time interval is slightly smaller than the standard time interval. And when the first time interval is smaller than the standard time interval and the difference value is larger, the first time interval is abnormal and can be detected again.
And step S34, when judging that the indoor heat exchanger is not dirty, outputting prompt information that the indoor heat exchanger is not dirty, and automatically exiting the dirty detection mode.
Specifically, when it is determined that the indoor heat exchanger is not dirty, the detection prompt information that no dirty is generated can be output according to a preset mode, and the current dirty detection mode is automatically exited. Wherein, outputting the prompt message of the occurrence of the filth blockage may include: in the first mode, the prompt is performed through an LED indicator preset on the air conditioner, for example, when the indoor unit is dirty and blocked, a designated red LED indicator is turned on, and when the indoor unit is not dirty and blocked, a designated green LED indicator is turned on. And in the second mode, related information such as 'dirty blockage' is displayed through a display screen preset on the air conditioner. And in the third mode, the preset voice module on the air conditioner is used for broadcasting the related information of filth blockage of the indoor unit. And fourthly, sounding for a preset time through a buzzer preset on the air conditioner, wherein the preset time can be set to be 30 seconds or other time. The above listed ways of outputting the prompt message with the filth blockage are merely exemplary, and those skilled in the art may utilize the technical idea of the present invention, and other ways of outputting the prompt message with the filth blockage according to their specific requirements are within the protection scope of the present invention, and are not exhaustive here.
Further, step S30 is followed by:
and step S40, when the indoor heat exchanger is judged to be dirty, acquiring an interval difference value between the first time interval and the standard time interval, and determining the degree grade of the dirty occurrence according to the interval difference value.
Specifically, when it is determined that the indoor heat exchanger is dirty, an interval difference between the first time interval and the standard time interval is further obtained. And calculating the degree grade of the dirty blockage of the indoor heat exchanger according to a preset calculation rule, such as a formula (delta T-delta Ts)/delta Ts multiplied by 100%. In a specific embodiment, the degree grade of the occurrence of the filth blockage can be set to three grades of slight filth blockage, general filth blockage, severe filth blockage and the like, and if the difference value between the value and the target voltage value is in a first difference value interval, the value is slight filth blockage; when the difference value between the actually measured voltage value and the target voltage value is in a second difference value interval, the normal filth blockage is detected; and when the difference value between the measured voltage value and the target voltage value is in a third difference value interval, the dirty blockage is serious. So that the user can select proper time to clean according to the requirement after detecting the grade corresponding to the degree of the indoor unit being dirty and blocked. It can be understood that the grade and the difference interval of the degree grade of the dirty blockage of the indoor unit of the air conditioner can also be flexibly set according to specific conditions, and the invention is not limited by the invention.
The invention also provides a computer readable storage medium.
The computer readable storage medium of the invention stores an air conditioner filth blockage detection program, and when the air conditioner filth blockage detection program is executed by a processor, the steps of the air conditioner filth blockage detection method are realized.
The method for detecting the filth blockage of the air conditioner when the air conditioner filth blockage detection program is executed may refer to each embodiment of the method for detecting the filth blockage of the air conditioner of the present invention, and will not be described herein again.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The air conditioner filth blockage detection method is characterized by comprising the following steps:
when a filth blockage detection instruction is received, controlling the air conditioner to operate, and calculating a first time interval for reducing a preset temperature value by an indoor heat exchanger in the air conditioner under the condition of keeping the current indoor temperature unchanged;
acquiring the current indoor temperature of the air conditioner, and determining a standard time interval for reducing the preset temperature value by the indoor heat exchanger according to the current indoor temperature in prestored data;
comparing the first time interval with the standard time interval, and judging whether the indoor heat exchanger is dirty or not according to a comparison result;
when a filth blockage detection instruction is received, the air conditioner is controlled to operate, and under the condition that the current indoor temperature is kept unchanged, the step of calculating the first time interval for reducing the preset temperature value of the indoor heat exchanger in the air conditioner specifically comprises the following steps of:
when a filth blockage detection instruction is received, acquiring a current temperature value of the indoor heat exchanger;
closing the compressor, and controlling an indoor fan to operate so as to reduce the temperature of the indoor heat exchanger to a third temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and calculating the time interval of the indoor heat exchanger from the current temperature value to the third temperature value as a first time interval.
2. The method for detecting the filth blockage of the air conditioner according to claim 1, wherein the step of controlling the air conditioner to operate when the filth blockage detection instruction is received, and calculating the first time interval for reducing the preset temperature value of the indoor heat exchanger in the air conditioner under the condition that the current indoor temperature is kept unchanged specifically comprises the following steps:
when a filth blockage detection instruction is received, controlling a compressor of the air conditioner to operate, and closing an indoor fan of the air conditioner to set the temperature of the indoor heat exchanger to be a first temperature value;
when the indoor heat exchanger reaches a first temperature value, the compressor is closed, the indoor fan is controlled to operate at a preset rotating speed, and the temperature of the indoor heat exchanger is reduced to a second temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and calculating the time interval of the indoor heat exchanger from the first temperature value to the second temperature value as a first time interval.
3. The method for detecting filth blockage of an air conditioner according to claim 2, wherein the step of obtaining the current indoor temperature of the air conditioner and determining the standard time interval for reducing the preset temperature value of the indoor heat exchanger according to the current indoor temperature in pre-stored data specifically comprises the following steps:
the method comprises the steps of obtaining the current indoor temperature of the air conditioner, and determining the standard time interval of reducing a first temperature value of an indoor heat exchanger to a second temperature value according to the current indoor temperature and the preset rotating speed corresponding to an indoor fan in prestored data.
4. The air conditioner filth blockage detection method as claimed in claim 1, wherein after the step of obtaining the current temperature value of the indoor heat exchanger when receiving the filth blockage detection instruction, the method further comprises the following steps:
judging whether the current temperature value reaches a preset temperature threshold value or not;
when the current temperature value reaches a preset temperature threshold value, closing the compressor, controlling the indoor fan to operate at a preset rotating speed, and reducing the temperature of the indoor heat exchanger to a third temperature value according to a preset temperature value under the condition that the current indoor temperature is kept unchanged;
and when the current temperature value does not reach the preset temperature threshold value, controlling the compressor to operate, and closing the indoor fan to set the temperature of the indoor heat exchanger to the preset temperature threshold value.
5. The method for detecting the filth blockage of the air conditioner according to claim 1, wherein the step of comparing the first time interval with the standard time interval and determining whether the filth blockage occurs in the indoor heat exchanger according to the comparison result specifically comprises the steps of:
judging whether the first time interval is larger than the standard time interval or not;
and if the first time interval is larger than the standard time interval, judging that the indoor heat exchanger is dirty and blocked.
6. The method for detecting the filth blockage of the air conditioner as claimed in claim 5, wherein after the step of determining that the indoor heat exchanger is filth-blocked if the first time interval is greater than the standard time interval, the method further comprises:
and when the indoor heat exchanger is judged to be dirty and blocked, acquiring an interval difference value between the first time interval and the standard time interval, and determining the degree grade of the dirty and blocked according to the interval difference value.
7. An air conditioner filth blockage detection method as claimed in claim 5, wherein after the step of judging whether the first time interval is greater than the standard time interval, the method further comprises:
if the first time interval is not greater than the standard time interval, judging that the indoor heat exchanger is not dirty and blocked;
and when judging that the indoor heat exchanger is not dirty and blocked, outputting prompt information that the indoor heat exchanger is not dirty and blocked, and automatically exiting a dirty and blocked detection mode.
8. An air conditioner filth blockage detection device, which is characterized by comprising a processor, a memory and an air conditioner filth blockage detection program stored on the memory and capable of running on the processor, wherein the air conditioner filth blockage detection program realizes the steps of the air conditioner filth blockage detection method according to any one of claims 1 to 7 when being executed by the processor.
9. A computer-readable storage medium, wherein an air conditioner filth blockage detection program is stored on the computer-readable storage medium, and when the air conditioner filth blockage detection program is executed by a processor, the steps of the air conditioner filth blockage detection method according to any one of claims 1 to 7 are implemented.
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