CN110864409B - Control method for air conditioner - Google Patents
Control method for air conditioner Download PDFInfo
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- CN110864409B CN110864409B CN201810929819.4A CN201810929819A CN110864409B CN 110864409 B CN110864409 B CN 110864409B CN 201810929819 A CN201810929819 A CN 201810929819A CN 110864409 B CN110864409 B CN 110864409B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of air conditioners and aims to solve the problem that the existing air conditioner cannot accurately perform self-cleaning when the same control logic is set due to different types. To this end, the present invention provides a control method for an air conditioner including an indoor unit, the control method including: obtaining the type of an air conditioner; according to the model of the air conditioner, the fan of the indoor unit is operated at a corresponding rotating speed; acquiring a fan current value of an indoor unit; and selectively prompting that the air conditioner needs to be cleaned according to the current value of the fan. The air conditioner cleaning method and the air conditioner cleaning system can accurately judge whether the air conditioner needs to be cleaned or not, so that a user can be timely prompted to clean the air conditioner, the conditions of filth blockage and misjudgment of the air conditioner are avoided, and the user experience is improved.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides a control method for an air conditioner.
Background
The air conditioner is a device capable of refrigerating/heating the indoor, the air conditioner mainly comprises a compressor, a condenser, a throttling device and an evaporator, the power and the number of the components of the air conditioner are different according to different user requirements and use environments, for example, the power of the compressor and the number of the condensers are different, so that the air conditioner is provided with a plurality of machine types, the number or the power of the components of each machine type of the air conditioner is different, namely, the load of each machine type of the air conditioner is different. As time goes on, the dust deposition on the indoor unit and the outdoor unit of the air conditioner increases gradually, a large amount of bacteria grow after the dust deposition accumulates to a certain degree, and particularly, when indoor air flows through the indoor unit, a large amount of dust and bacteria are carried, so that the air conditioner needs to be cleaned in time.
At present, the air conditioner is generally cleaned manually or by starting a self-cleaning device through a key, but the user cannot accurately judge when the air conditioner needs to be cleaned, so that the air conditioner cannot be cleaned in time, and the use experience of the user is affected. In some existing air conditioners with self-cleaning function, whether to execute a self-cleaning mode is generally judged according to a fan current value of the air conditioner, however, in the production process of the air conditioner, in order to simplify the production process and purchase process, air conditioners of different models can be adapted to fans of the same model, but because the loads of the air conditioners of different models are different, the fan current values of the air conditioners of different models are also different under the same condition, if the same control logic is set for the air conditioners of different models, deviation is easily caused when the air conditioners perform self-cleaning judgment, even misjudgment is caused, that is, the air conditioners can frequently prompt self-cleaning without self-cleaning or do self-cleaning without prompt in time, so that the air conditioners can not accurately prompt self-cleaning, affecting the user experience.
Therefore, there is a need in the art for a control method for an air conditioner to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the problem that the air conditioner cannot accurately prompt self-cleaning when the same control logic is set for the air conditioner of the prior art because the air conditioner is different in model, the present invention provides a control method for an air conditioner, the air conditioner comprises an indoor unit, the control method comprises: obtaining the type of an air conditioner; according to the model of the air conditioner, the fan of the indoor unit is operated at a corresponding rotating speed; acquiring a fan current value of an indoor unit; and selectively prompting that the air conditioner needs to be cleaned according to the current value of the fan.
In a preferred technical solution of the above control method, the step of "obtaining a model of the air conditioner" specifically includes: the model of the air conditioner is obtained by sending a set voltage signal to a fan controller of the indoor unit.
In a preferred technical scheme of the control method, the step of obtaining the current value of the fan of the indoor unit specifically comprises the following steps: acquiring the starting time of a fan of an indoor unit; and if the starting time of the fan of the indoor unit reaches the preset time, acquiring the current value of the fan of the indoor unit.
In a preferred technical solution of the above control method, the step of "selectively prompting that the air conditioner needs to be cleaned according to the fan current value" specifically includes: comparing the variation value of the fan current value relative to the standard current value with a preset value; and selectively prompting that the air conditioner needs to be cleaned according to the comparison result.
In a preferred embodiment of the above control method, the step of "selectively prompting that the air conditioner needs to be cleaned according to the comparison result" includes: if the variation value is larger than the preset value, the air conditioner is prompted to need to be cleaned.
In a preferred embodiment of the above control method, the step of "selectively prompting that the air conditioner needs to be cleaned according to the comparison result" further includes: if the variation value is not greater than the preset value, the air conditioner is not prompted to be cleaned.
In a preferred embodiment of the above control method, the step of "prompting that the air conditioner needs to be cleaned" includes: and changing an indicator lamp on the indoor unit into an early warning color.
In the preferable technical scheme of the control method, the early warning color is red.
In a preferred technical solution of the above control method, the variation value is equal to a difference between the standard current value and the fan current value.
In a preferred technical solution of the above control method, the preset time is 10 seconds.
The technical scheme includes that firstly, a model of the air conditioner is obtained, a fan of an indoor unit is enabled to operate at a corresponding rotating speed according to the model of the air conditioner, a fan current value of the indoor unit is obtained after the starting time of the fan reaches a preset time, then the obtained change value of the fan current value of the indoor unit relative to a standard current value is compared with the preset value, the air conditioner is selectively prompted to be cleaned according to the comparison result, if the change value is larger than the preset value, the air conditioner is prompted to be cleaned, and if the change value is not larger than the preset value, the air conditioner is not prompted to be cleaned. Compared with the mode of manually cleaning the air conditioner in the prior art, the control method can prompt the user to clean the air conditioner immediately when the air conditioner needs to be cleaned, so that the air conditioner can be cleaned in time, and the use experience of the user is improved. In addition, compared with the self-cleaning mode adopted by the air conditioner in the prior art, the self-cleaning mode is adopted by the air conditioner, the type of the air conditioner is firstly obtained to determine the load condition of the air conditioner, then the fan executes the control program of the type corresponding to the air conditioner, so that the fan runs at the corresponding rotating speed, the condition that the obtained fan current is inaccurate due to different loads of the air conditioner is avoided, the misjudgment of the air conditioner can be avoided, namely, the condition that the air conditioner is not subjected to dust deposition and the self-cleaning mode is frequently prompted to be executed to waste energy is prevented, the condition that the air conditioner is subjected to dust deposition seriously and the self-cleaning mode is not prompted to be executed later is prevented, the condition that the air conditioner needs to be cleaned can be accurately judged, namely, the air conditioner is self-cleaned at the most proper time, and the user experience is improved.
Further, in the above, obtaining the current value of the fan when the starting time of the fan reaches the preset time may make the detected current value of the fan more accurate, specifically, after the fan is started, the fan current value is not in a steady state due to the continuous change of the rotation speed, and when the preset time is reached, the current value of the fan tends to the steady state, obtaining the current value of the fan may perform self-cleaning judgment more accurately according to the current value of the fan, thereby further ensuring that the air conditioner performs self-cleaning on the air conditioner at the most appropriate time, and further improving user experience.
Furthermore, the mode of prompting that the air conditioner needs to be cleaned is that the indicator light on the indoor unit is changed into red, so that a user can more intuitively observe that the air conditioner needs to be cleaned, the user can timely and manually clean the air conditioner or start a self-cleaning mode of the air conditioner, and the normal experience of the user is prevented from being influenced due to the fact that the air conditioner is not cleaned in time and the filth is serious.
Drawings
FIG. 1 is a flow chart of a control method of the present invention;
FIG. 2 is a flow chart of a control method embodiment of the present invention;
fig. 3 is a comparison table of voltage signals and air conditioner models.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the present invention has been described with reference to an indoor unit of an air conditioner, the principles of the present invention are equally applicable to an outdoor unit of an air conditioner since the indoor unit and the outdoor unit of the air conditioner have a symmetrical structure.
The problem that the existing air conditioner cannot accurately prompt self-cleaning due to different models when the same control logic is set is pointed out based on the background technology. The invention provides a control method for an air conditioner and the air conditioner, and aims to prompt a user to clean the air conditioner when the air conditioner needs to be cleaned, so that the air conditioner can be cleaned in time, and the user experience is improved.
Specifically, the air conditioner of the present invention includes an indoor unit, and as shown in fig. 1, the control method of the present invention includes: obtaining the type of an air conditioner; according to the model of the air conditioner, the fan of the indoor unit is operated at a corresponding rotating speed; acquiring a fan current value of an indoor unit; and selectively prompting that the air conditioner needs to be cleaned according to the current value of the fan. It should be noted that the current of the fan of the indoor unit can directly reflect the dust deposition degree of the air conditioner, because the load of the fan is determined at a certain rotation speed, when the load of the fan is increased at the same rotation speed, and accordingly, the current of the fan is decreased, it is indicated that the wind resistance of the fan is increased, that is, the dust deposition on the indoor unit is performed, and the more serious the dust deposition is, the smaller the current of the fan is, so the dust deposition degree of the indoor unit of the air conditioner can be fully determined according to the current of the fan.
In addition, it should be noted that, for each model of the air conditioner, control programs corresponding to the model of the air conditioner are provided, and the control programs are all prestored in a fan controller of the air conditioner, and the fan controller may operate the control program corresponding to the model of the air conditioner according to the obtained model of the air conditioner. Through the arrangement, the condition that the control programs of the air conditioners are inapplicable due to different air conditioner types can be avoided, the control programs of the air conditioners of all the air conditioners are prestored in the fan controllers of all the air conditioners, and compared with the condition that the control programs of different types are prestored in the fan controllers of the air conditioners corresponding to the air conditioners, the condition that the control programs prestored in the air conditioners do not correspond to the air conditioners can be avoided, so that the accuracy of the control programs of the air conditioners can be ensured.
Preferably, the step of "obtaining the model of the air conditioner" specifically includes: the model of the air conditioner is obtained by sending a set voltage signal to a fan controller of the indoor unit. A comparison table of the voltage signal and the type of the air conditioner needs to be made in advance, and after the fan controller receives the voltage signal, the type of the air conditioner can be inquired according to the voltage signal and the type comparison table of the air conditioner. As shown in fig. 3, in practical application, the model of the air conditioner corresponding to the voltage value of 2.2V may be an a model, the model of the air conditioner corresponding to the voltage value of 3.2V may be a B model, and after the fan controller receives the voltage signal of 2.2V, the comparison table between the voltage signal and the model of the air conditioner is queried according to the voltage signal of 2.2V, so that the model of the air conditioner may be determined to be the a model. Of course, before the air conditioner leaves the factory, a set voltage signal can be pre-stored in an upper computer of the indoor unit, the voltage signal is set according to the model of the air conditioner, and the pre-stored voltage value of the air conditioner of the model A in the upper computer is 2.2V. In addition, the mode of obtaining the model of the air conditioner is not limited to the above mode, for example, the model of the air conditioner may be obtained through manual direct input, that is, the model of the air conditioner is written in the specification of the air conditioner, and a user may directly send the model of the air conditioner to the fan controller through an air conditioner remote controller.
Preferably, the step of "obtaining a fan current value of the indoor unit" specifically includes: acquiring the starting time of a fan of an indoor unit; and if the starting time of the fan of the indoor unit reaches the preset time, acquiring the current value of the fan of the indoor unit. Namely, the current value of the fan of the indoor unit can be obtained only after the fan stably runs at the set rotating speed. The preset time can be determined through experiments or experience, for example, experiments show that the fan can stably operate at a set rotating speed after the fan is started for 10 seconds, the preset time can be set to 10 seconds, namely, after the starting time of the fan reaches 10 seconds, the current value of the fan of the indoor unit starts to be acquired, a person skilled in the art can flexibly set a specific numerical value of the preset time in practical application, and only the fan can be determined to stably operate at the set rotating speed through the preset time. The technical solution of the present invention is described in detail below with reference to specific examples.
Preferably, as shown in fig. 2, the step of "selectively prompting that the air conditioner needs to be cleaned according to the fan current value" specifically includes: comparing the variation value of the fan current value relative to the standard current value with a preset value; and selectively prompting that the air conditioner needs to be cleaned according to the comparison result. Further, the step of selectively prompting that the air conditioner needs to be cleaned according to the comparison result comprises: if the variation value is larger than the preset value, prompting that the air conditioner needs to be cleaned; if the variation value is not greater than the preset value, the air conditioner is not prompted to be cleaned. Specifically, the variation value is equal to the difference Δ I between the standard current value Ib and the fan current value If. Namely, If the difference value delta I between the standard current value Ib and the fan current value If is larger than the preset value, the air conditioner is prompted to be cleaned, and If the difference value delta I between the standard current value Ib and the fan current value If is not larger than the preset value, the air conditioner is not prompted to be cleaned. In a possible implementation manner, the preset value is set to 0.1A, that is, if Δ I is greater than 0.1A, it indicates that the filth blockage of the indoor unit is serious at this time, and it is necessary to prompt a user to clean the air conditioner, and if Δ I is less than or equal to 0.1A, it indicates that the indoor unit is not filth blocked or the filth blockage of the indoor unit is still within an acceptable range at this time, and at this time, the user may not be prompted to clean the air conditioner temporarily. Of course, the preset value is not limited to 0.1A in the above example, and those skilled in the art can flexibly set the specific value of the preset value in practical application as long as the demarcation point determined by the preset value can determine whether the air conditioner needs to be cleaned.
In addition, the standard current value should be measured before shipping of the air conditioner, that is, the standard current value of the indoor unit should be measured in a state where the air conditioner is completely cleaned. Each model of the air conditioner corresponds to a standard current value, the standard current values corresponding to all the models are stored in the fan controller, and after the fan controller acquires the model of the air conditioner, the fan controller can acquire a corresponding labeled current value according to the model and use the standard current value as a judgment basis. The standard current value may be determined by starting the fan when the air conditioner is in a completely clean state, so that the fan operates at a set rotation speed, detecting a current value of the fan at the time when the fan reaches a stable state, and using the current value as a standard current value, or using a current value with the highest frequency of occurrence among a plurality of fan current values of the indoor unit acquired within a preset time as a standard current value, and selecting the fan current value with the highest frequency of occurrence as the standard current value by calculating and sorting the frequency of occurrence of the plurality of fan current values, wherein the sampling data of the fan current values may be 1000, 2000 or other numbers, and a person skilled in the art can flexibly set the sampling number of the fan current values in practical application. The preset time may be a minute, an hour, a day or other set time value, as long as the standard current value can be selected from the plurality of fan current values obtained within the preset time, and such adjustment and change of the specific value of the preset time do not depart from the principle and scope of the present invention, and should be limited within the protection scope of the present invention.
Further preferably, the step of "prompting that the air conditioner needs to be cleaned" includes: the indicator light on the indoor unit is changed into the early warning color, wherein the indicator light on the indoor unit can be changed into red or yellow to prompt the user that the air conditioner needs to be cleaned, the specific color of the indicator light can be flexibly set by technicians in the field in practical application as long as the user can be prompted to clean the air conditioner through the selection of the color, of course, the user can be prompted to clean the air conditioner through the sound device (such as a buzzer, a voice broadcaster and the like) on the indoor unit in practical application, or the user is prompted to clean the air conditioner through the combination of the indicator light and the voice device, the technicians in the field can flexibly set the specific prompting mode for the user to clean the air conditioner in practical application, and the adjustment and the change of the prompting mode do not deviate from the principle and the scope of the invention, are intended to be within the scope of the present invention.
It should be noted that when the user is prompted that the air conditioner needs to be cleaned, the indoor unit of the air conditioner can be cleaned independently, or the indoor unit and the outdoor unit of the air conditioner can be cleaned simultaneously, because when the indoor unit is dirty and blocked, the time limit when the outdoor unit is dirty and blocked can be indirectly fed back to some extent. In addition, in the invention, the specific cleaning mode of the air conditioner can be manual cleaning, and also can be cleaning by starting a self-cleaning device of the air conditioner.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (8)
1. A control method for an air conditioner including an indoor unit, characterized by comprising:
acquiring the model of the air conditioner;
enabling a fan of the indoor unit to operate at a corresponding rotating speed according to the type of the air conditioner;
acquiring a fan current value of the indoor unit;
selectively prompting that the air conditioner needs to be cleaned according to the current value of the fan;
the step of "obtaining the model of the air conditioner" specifically includes:
obtaining the model of the air conditioner by sending a set voltage signal to a fan controller of the indoor unit;
the step of selectively prompting that the air conditioner needs to be cleaned according to the current value of the fan specifically comprises the following steps:
comparing the variation value of the fan current value relative to the standard current value with a preset value;
selectively prompting that the air conditioner needs to be cleaned according to the comparison result;
wherein the standard current value corresponds to a model of the air conditioner.
2. The control method according to claim 1, wherein the step of obtaining the current value of the fan of the indoor unit specifically comprises:
acquiring the starting time of a fan of the indoor unit;
and if the starting time of the fan of the indoor unit reaches the preset time, acquiring the current value of the fan of the indoor unit.
3. The control method according to claim 1, wherein the step of selectively prompting that the air conditioner needs to be cleaned according to the comparison result comprises:
if the change value is larger than the preset value, the air conditioner is prompted to need to be cleaned.
4. The control method according to claim 3, wherein the step of selectively prompting that the air conditioner needs to be cleaned according to the comparison result further comprises:
if the variation value is not greater than the preset value, the air conditioner is not prompted to need to be cleaned.
5. The control method according to claim 1, wherein the step of "prompting that the air conditioner needs to be cleaned" includes:
and changing an indicator lamp on the indoor unit into an early warning color.
6. The control method according to claim 5, wherein the warning color is red.
7. The control method according to claim 1, wherein the variation value is equal to a difference value of the standard current value and the fan current value.
8. The control method according to claim 2, wherein the preset time is 10 seconds.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810929819.4A CN110864409B (en) | 2018-08-15 | 2018-08-15 | Control method for air conditioner |
| PCT/CN2019/100793 WO2020035024A1 (en) | 2018-08-15 | 2019-08-15 | Control method for air conditioner |
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| CN201810929819.4A CN110864409B (en) | 2018-08-15 | 2018-08-15 | Control method for air conditioner |
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| CN110864409B true CN110864409B (en) | 2021-12-21 |
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| WO (1) | WO2020035024A1 (en) |
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| CN111912080A (en) * | 2020-05-26 | 2020-11-10 | 海信（山东）空调有限公司 | Air conditioner and self-cleaning method |
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| CN110864409A (en) | 2020-03-06 |
| WO2020035024A1 (en) | 2020-02-20 |
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