CN110631170B - Control method for air conditioner - Google Patents
Control method for air conditioner Download PDFInfo
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- CN110631170B CN110631170B CN201810645449.1A CN201810645449A CN110631170B CN 110631170 B CN110631170 B CN 110631170B CN 201810645449 A CN201810645449 A CN 201810645449A CN 110631170 B CN110631170 B CN 110631170B
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000004140 cleaning Methods 0.000 abstract description 29
- 239000000428 dust Substances 0.000 description 12
- 230000008021 deposition Effects 0.000 description 11
- 238000001816 cooling Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of air conditioners and aims to solve the problems that an existing air conditioner cannot enable a user to accurately judge when the air conditioner needs to be cleaned by adopting manual cleaning, so that the air conditioner cannot be cleaned in time, and the air conditioner is prone to misjudge and frequently executes self-cleaning by adopting a self-cleaning mode. To this end, the present invention provides a control method for an air conditioner including an indoor unit, the control method including: comparing the power-off time of the indoor unit with preset time; if the power-off time is greater than or equal to the preset time, detecting the current value of the fan of the indoor unit; and selectively prompting that the air conditioner needs to be cleaned according to the fan current value. 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 is 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, and as time goes on, the dust deposition on the indoor unit and the outdoor unit of the air conditioner increases gradually, and after the dust deposition accumulates to a certain degree, a large amount of bacteria can be bred, and especially when the indoor air flows through the indoor unit, a large amount of dust and bacteria can be 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. Some existing air conditioners also adopt a self-cleaning mode, for example, patent publication No. CN107525209A discloses a self-cleaning control method for an air conditioner, which specifically includes detecting a current operation mode of the air conditioner, and if the current operation mode of the air conditioner is a non-cooling mode, adjusting the air conditioner to a cooling mode; detecting the rotating speed of a motor of an indoor unit fan of the air conditioner and a first current value of the motor under the rotating speed; and comparing the first current value of the motor at the rotating speed with a first preset current value at the rotating speed, and if the first current value is less than or equal to the first preset current value, starting a self-cleaning mode of the air conditioner and executing self-cleaning treatment of the heat exchanger of the indoor unit. That is to say, the above patent adopts that whether to execute the self-cleaning of the indoor unit is judged through the fan current of the indoor unit, however, in the operation process of the air conditioner, the fan current of the indoor unit may change constantly, even a large fluctuation occurs, especially after the fan of the indoor unit operates for a long time, the temperature of the fan rises sharply, the fluctuation frequency and fluctuation amplitude of the fan current may be aggravated, when the fan current of the indoor unit is reduced more when fluctuating, the air conditioner may have a misjudgment situation, that is, the air conditioner is made to execute the self-cleaning mode when the indoor unit of the air conditioner does not need to be self-cleaned, which may cause the air conditioner to frequently start the self-cleaning mode, which can ensure the cleanliness of the air conditioner, but may cause the waste of energy.
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 problems that the prior air conditioner cannot enable a user to accurately judge when the air conditioner needs to be cleaned by manual cleaning, so that the air conditioner cannot be cleaned in time, and the air conditioner is prone to misjudge by itself and frequently performs self-cleaning by a self-cleaning method, the present invention provides a control method for an air conditioner, the air conditioner comprises an indoor unit, the control method comprises: comparing the power-off time of the indoor unit with preset time; if the power-off time is greater than or equal to the preset time, detecting the current value of the fan of the 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 "selectively prompting that the air conditioner needs to be cleaned according to the fan current value" specifically includes: calculating the variation value of the current value of the fan relative to the standard current value; comparing the variation 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 "selectively prompting that the air conditioner needs to be cleaned according to the comparison result" includes: if the number of times that the variation value is greater than the preset value reaches three times, 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" includes: if the times that the change value is larger than the preset value do not reach three times, 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 embodiment of the control method, the standard current value is a fan current value of the indoor unit measured before shipment of the air conditioner.
As can be understood by those skilled in the art, in a preferred embodiment of the present invention, the power-off time of the indoor unit is compared with a preset time; if the power-off time is greater than or equal to the preset time, detecting the current value of the fan of the indoor unit, calculating the change value of the current value of the fan relative to the standard current value, comparing the change value with the preset value, if the change value is greater than the preset value, prompting that the air conditioner needs to be cleaned, and if the change value is not greater than the preset value, not prompting that the air conditioner needs 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 invention only selectively prompts that the air conditioner needs to be cleaned according to the fan current value of the indoor unit obtained when the power-off time of the indoor unit is greater than or equal to the preset time, that is, the air conditioner is selectively prompted to be cleaned only according to the current value of the fan acquired by the fan in the cooling state, the current value of the fan is stable and is not easy to fluctuate in the cooling state of the fan, thereby the obtained current value of the fan is more accurate, the condition that the air conditioner is judged to be ash-deposited due to the larger fluctuation of the current value of the fan of the indoor unit and the energy is wasted because the self-cleaning mode is frequently executed is avoided, and then make the air conditioner need be more accurate by the clear time node, carry out the automatically cleaning to the air conditioner promptly at the most suitable time, promote user experience.
Furthermore, when the number of times that the change value is greater than the preset value reaches the cubic, the air conditioner is prompted to be cleaned, and through the setting, the situation that the air conditioner is misjudged due to the fact that the fan current of the indoor unit fluctuates greatly can be further avoided, so that the air conditioner can be accurately judged to be cleaned when, namely, the air conditioner is automatically cleaned in the most proper time, and the user experience is improved.
More step, the standard current value is the fan current value of the indoor unit measured before the air conditioner leaves the factory, namely the fan current value of the indoor unit measured when the air conditioner is in a completely clean state, the standard current value is selected at the moment, the dust deposition degree of the air conditioner in the use process can be fed back, namely the air conditioner is compared with the fan current parameter in the completely clean state all the time in the use process, the dust deposition degree of the air conditioner can be fed back more accurately, the user can be prompted to clean the air conditioner in time when the dust deposition is serious, and the user can be temporarily not prompted to clean the air conditioner when the dust deposition is not carried out and the dust deposition degree is within an acceptable range.
Still further, the mode that the suggestion air conditioner needs to be cleaned takes to change the pilot lamp on the indoor set into red can make the user observe the air conditioner more directly perceivedly and need to be cleaned to make the user in time carry out artifical cleaning or open air conditioner self-cleaning mode to the air conditioner, avoid the air conditioner because clean untimely lead to dirty stifled serious and then influence user's normal experience.
Drawings
FIG. 1 is a flow chart of a control method of the present invention;
FIG. 2 is a flow chart of a first embodiment of the control method of the present invention;
fig. 3 is a flowchart of a second embodiment of the control method of the present invention.
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.
The prior air conditioner pointed out based on the background technology cannot enable a user to accurately judge when the air conditioner needs to be cleaned by adopting manual cleaning, so that the air conditioner cannot be cleaned in time, and the air conditioner is easy to cause misjudgment and frequently executes self-cleaning by adopting a self-cleaning mode. The invention provides a control method for an 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: comparing the power-off time of the indoor unit with preset time; if the power-off time is greater than or equal to the preset time, detecting the current value of the fan of the 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 the power-off time of the indoor unit is an interval time from the power-off of the indoor unit to the next power-on of the indoor unit, and if the power-off time is greater than or equal to the preset time, it is indicated that the motor of the indoor unit is cooled at this time, and the fan current of the indoor unit is relatively stable at this time, so that the detected fan current value of the indoor unit is higher in accuracy at this time. In one possible embodiment, the preset time may be set to 2 hours, that is, if the power-off time of the indoor unit is greater than or equal to 2 hours, the fan current value of the indoor unit is detected, and if the power-off time of the indoor unit is less than 2 hours, the power-off time of the indoor unit is not detected. Of course, when the power-off time of the indoor unit is less than 2 hours, the fan current value of the indoor unit may be detected, but the detected fan current value is invalid at this time. Moreover, the preset time is not limited to 2 hours, and a person skilled in the art can set the preset time through an experiment mode, or can set the preset time through an experience mode, as long as the time determined by the preset time can enable the fan of the indoor unit to reach a cooling state. The technical solution of the present invention is described in detail below with reference to specific examples.
Example one
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: calculating the variation value of the current value of the fan relative to the standard current value; comparing the variation 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.
Example two
As shown in fig. 3, the step of "selectively prompting that the air conditioner needs to be cleaned according to the fan current value" specifically includes: calculating the variation value of the current value of the fan relative to the standard current value; comparing the variation 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 times that the change value is larger than the preset value reach three times, prompting that the air conditioner needs to be cleaned; if the times that the change value is larger than the preset value do not reach three times, 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, adding 1 to the counter value N, 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, keeping the technical device value N unchanged, and when the technical device value N is equal to 3, prompting that the air conditioner needs 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, the counter value N is increased by 1, if Δ I is less than or equal to 0.1A, the counter value N is unchanged, when the counter value N is equal to 3, it is indicated that the fan current of the indoor unit has been seriously attenuated, the filth blockage of the indoor unit is serious at this time, and it is required to prompt a user to clean the air conditioner, and when the counter value N is less than 3, it is indicated that the indoor unit is filth-blocked or the filth blockage of the indoor unit is still within an acceptable range at this time, or a misjudgment condition occurs before the air conditioner, and at this time, the user may not be prompted to clean the air conditioner temporarily. Certainly, the preset value is not limited to 0.1A in the above example, and a person skilled in the art may flexibly set a specific numerical value of the preset value in practical application as long as the dirty and blocked condition of the indoor unit can be determined by the demarcation point determined by the preset value.
In addition, the standard current value may be measured before shipping of the air conditioner, that is, when the air conditioner is in a completely clean state, the standard current value of the indoor unit when the motor of the indoor unit is in a cooling state may be measured. In addition, the standard current value can be measured after the air conditioner leaves the factory, that is, in the using process of the air conditioner, the current value with the highest frequency of occurrence in a plurality of fan current values of the indoor unit obtained within the preset time when the motor of the indoor unit is in a cooling state is used as the standard current value, and the fan current value with the highest frequency of occurrence is selected as the standard current value by calculating and sequencing the frequency of occurrence of the plurality of fan current values, wherein the sampling data of the fan current values can be 1000, 2000 or other numbers, and the sampling number of the fan current values can be flexibly set by a person skilled in the art in the practical application. The preset time can be a day, a week, a month or other set time values, as long as the standard current value can be selected from the plurality of fan current values obtained within the preset time, and the adjustment and the change of the specific values of the preset time do not depart from the principle and the scope of the invention, and are all limited within the protection scope of the 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 (9)
1. A control method for an air conditioner including an indoor unit, characterized by comprising:
comparing the power-off time of the indoor unit with preset time;
if the power-off time is greater than or equal to the preset time, detecting the current value of the fan of the indoor unit;
calculating the variation value of the fan current value relative to the standard current value;
comparing the variation value with a preset value;
selectively prompting that the air conditioner needs to be cleaned according to the comparison result;
and the standard current value is the fan current value of the indoor unit measured when the air conditioner is in a completely clean state.
2. 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.
3. The control method according to claim 2, 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.
4. 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:
and if the times that the change value is larger than the preset value reach three times, prompting that the air conditioner needs to be cleaned.
5. The control method according to claim 4, wherein the step of selectively prompting that the air conditioner needs to be cleaned according to the comparison result further comprises:
if the times that the change value is larger than the preset value do not reach three times, the air conditioner is not prompted to need to be cleaned.
6. 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.
7. The control method according to claim 6, wherein the warning color is red.
8. 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.
9. The control method according to claim 1, wherein the standard current value is a fan current value of the indoor unit measured before shipment of the air conditioner.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645449.1A CN110631170B (en) | 2018-06-21 | 2018-06-21 | Control method for air conditioner |
| PCT/CN2019/092135 WO2019242699A1 (en) | 2018-06-21 | 2019-06-20 | Control method for air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645449.1A CN110631170B (en) | 2018-06-21 | 2018-06-21 | Control method for air conditioner |
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| CN110631170A CN110631170A (en) | 2019-12-31 |
| CN110631170B true CN110631170B (en) | 2021-04-20 |
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| WO (1) | WO2019242699A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100883867B1 (en) * | 2007-10-30 | 2009-02-17 | 공간테크 주식회사 | The auto device for cleaning a filter of air-conditioner |
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- 2018-06-21 CN CN201810645449.1A patent/CN110631170B/en active Active
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| CN102519118A (en) * | 2011-12-29 | 2012-06-27 | Tcl空调器(中山)有限公司 | Method and device for automatic reminding of cleanness of air conditioner |
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| WO2017072327A2 (en) * | 2015-10-28 | 2017-05-04 | Michael Bonello | Electronic filter condition monitoring system and method |
| CN107525209A (en) * | 2017-07-13 | 2017-12-29 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning control method and device |
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| Publication number | Publication date |
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| WO2019242699A1 (en) | 2019-12-26 |
| CN110631170A (en) | 2019-12-31 |
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