CN110631173B - Control method for air conditioner and air conditioner - Google Patents
Control method for air conditioner and air conditioner Download PDFInfo
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- CN110631173B CN110631173B CN201810645516.XA CN201810645516A CN110631173B CN 110631173 B CN110631173 B CN 110631173B CN 201810645516 A CN201810645516 A CN 201810645516A CN 110631173 B CN110631173 B CN 110631173B
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005494 condensation Effects 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 15
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- 238000012163 sequencing technique Methods 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 21
- 239000000428 dust Substances 0.000 description 12
- 238000001816 cooling Methods 0.000 description 8
- 230000008021 deposition Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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Classifications
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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
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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
- F24F11/50—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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
-
- 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
- F24F11/65—Electronic processing for selecting an operating mode
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- 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 problems that an existing air conditioner cannot enable a user to accurately judge when the air conditioner needs to be cleaned due to manual cleaning, so that the air conditioner cannot be cleaned in time, and the air conditioner is prone to misjudge due to the fact that the air conditioner adopts a self-cleaning mode. Therefore, the invention provides a control method for an air conditioner and the air conditioner, wherein the air conditioner comprises an indoor unit, and the control method comprises the following steps: detecting fan current of an indoor unit once every preset time when an air conditioner operates in a refrigerating mode to obtain a plurality of fan current values; and selectively prompting that the air conditioner needs to be cleaned according to a plurality of fan current values. 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 and the 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, the above patent uses the fan current of the indoor unit to determine whether to perform self-cleaning of the indoor unit, however, in the process of cooling operation of the air conditioner, condensation may occur in the indoor unit of the air conditioner, and the fan current of the indoor unit may be affected after condensation occurs in the indoor unit, that is, the fan current of the indoor unit may be reduced due to condensation occurrence of the indoor unit, and along with cooling operation of the air conditioner, condensation occurring in the indoor unit may gradually increase, and fan current of the indoor unit may also gradually decrease, so that the change of the condensation state may cause instability of the fan current, thereby causing inaccurate detected fan current, and further causing the air conditioner to fail to accurately perform dust-deposition determination and/or to have a false determination to frequently perform self-cleaning.
Therefore, there is a need in the art for a control method for an air conditioner and a corresponding air conditioner to solve the above 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 be cleaned manually so that a user can accurately judge when the air conditioner needs to be cleaned, and thus the air conditioner cannot be cleaned in time, and the air conditioner is easy to misjudge by adopting a self-cleaning mode, the invention provides a control method for an air conditioner, wherein the air conditioner comprises an indoor unit, and the control method comprises the following steps: detecting fan current of an indoor unit once every preset time when an air conditioner operates in a refrigerating mode to obtain a plurality of fan current values; and selectively prompting that the air conditioner needs to be cleaned according to a plurality of fan current values.
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 a plurality of fan current values" specifically includes: comparing the current values of the plurality of fans, and taking the current value of the fan which does not change any more as a steady-state current value; the air conditioner is selectively prompted to be cleaned according to the steady-state current value.
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 steady-state current value" includes: calculating the change value of the steady-state current value 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 "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 embodiment of the above control method, the variation value is equal to a difference between the standard current value and the steady-state current value.
In a preferred technical scheme of the control method, the standard current value is a fan current value of the indoor unit when the air conditioner is completely clean and condensation on the indoor unit reaches a saturated state during the cooling operation of the air conditioner.
In another aspect, the present invention also provides an air conditioner including a controller configured to be able to perform the control method described above.
As can be understood by those skilled in the art, in a preferred technical solution of the present invention, when an air conditioner is in a cooling operation, a fan current of an indoor unit is detected once every preset time to obtain a plurality of fan current values, the plurality of fan current values are compared, the fan current value which does not change any more is taken as a steady state current value, a change value of the steady state current value relative to a standard current value is calculated, the change value is compared with a preset value, the air conditioner is selectively prompted to be cleaned according to a comparison result, if the change value is greater than the preset value, the air conditioner is prompted to be cleaned, and if the change value is not greater 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 of the air conditioner in the prior art, the fan current value of the indoor unit is detected once every preset time, the obtained fan current values are compared, the fan current value which does not change any more is taken as a steady-state current value, namely, when the condensation of the indoor unit reaches a saturated state, the condensation does not increase any more, the fan current value does not decrease any more, the fan current reaches a steady state, the stabilized fan current value is compared with a standard current value, whether the air conditioner is dusted or not can be accurately detected, the condition that the air conditioner is misjudged due to the change of the condensation state of the indoor unit can be avoided, the air conditioner can be accurately judged when to be cleaned, the air conditioner is automatically cleaned in the most proper time, and user experience is improved.
Further, the standard current value is a fan current value of the indoor unit when the air conditioner is in a completely clean state and condensation of the indoor unit reaches a saturated state during cooling operation of the air conditioner, when the air conditioner is in the completely clean state, the selected standard current value can feed back the dust formation degree of the air conditioner in the use process, namely, the air conditioner is always compared with a fan current parameter in the completely clean state in the use process, on the basis of eliminating the influence of the air conditioner operation mode and the condensation state of the indoor unit on the fan current, the dust formation degree of the air conditioner can be fed back more accurately, when the dust formation is serious, a user can be prompted to clean the air conditioner in time, and when the dust formation is not achieved and the dust formation degree is within an acceptable range, the user can not be prompted to clean the air conditioner temporarily.
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.
In addition, the air conditioner further provided by the invention on the basis of the technical scheme has the technical effects of the control method due to the adoption of the control method, and compared with the existing air conditioner, the air conditioner can 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.
Drawings
FIG. 1 is a flow chart of a control method of the present invention;
fig. 2 is a flow chart of an 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 have the problem of misjudgment by adopting a self-cleaning mode. 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: detecting fan current of an indoor unit once every preset time when an air conditioner operates in a refrigerating mode to obtain a plurality of fan current values; and selectively prompting that the air conditioner needs to be cleaned according to a plurality of fan current values. In order to ensure that the fan current of the indoor unit detected every other preset time can reflect the change of the condensation state of the indoor unit, the interval between the two adjacent fan current detections cannot be too short, and a person skilled in the art can set the preset time through an experimental manner or an empirical manner, for example, the preset time can be 15 minutes, that is, the fan current of the indoor unit is detected every 15 minutes. 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.
Preferably, the step of "comparing a plurality of fan current values, and taking the fan current value that does not change any more as the steady-state current value" includes: sequencing the obtained fan current values according to the obtaining time, arranging the obtained fan current values in the front, arranging the obtained fan current values in the back, comparing the second fan current value with the first fan current value, if the second fan current value is not less than the first fan current value, the second fan current value is taken as a steady-state current value, if the second fan current value is less than the first fan current value, comparing the third fan current value with the second fan current value, if the third fan current value is not less than the second fan current value, the third fan current value is taken as a steady-state current value, and if the third fan current value is smaller than the second fan current value, comparing the fourth fan current value with the third fan current value, and taking the fan current value which does not decrease as the steady-state current value until the fan current value does not decrease any more. Of course, alternatively, the step of "comparing a plurality of fan current values, taking the fan current value that does not change any more as the steady-state current value" may further include: sequencing the acquired fan current values according to the acquisition time, arranging the first acquired fan current value in the front, arranging the later acquired fan current value in the back, comparing the second fan current value with the first fan current value, comparing the third fan current value with the second fan current value, if the second fan current value is not less than the first fan current value and the third fan current value is not less than the second fan current value, taking the third fan current value as a steady-state current value, if the second current value is less than the first current value, comparing the fourth current value with the third current value, if the third current value is not less than the second current value and the fourth current value is not less than the third current value, taking the fourth current value as a steady-state current value, and if the third fan current value is less than the second fan current value, comparing the current value of the fifth fan with the current value of the fourth fan, and taking the current value of the fan which does not become smaller as the steady-state current value when the current value of the fan which is arranged behind the fifth fan for two times is not smaller than the current value of the fan which is arranged in front of the fifth fan; and then or until the current value of the fan arranged behind is not less than the current value of the fan arranged in front of the fan, the current value of the fan which is not reduced any more is taken as the steady-state current value for three times continuously, and the condition that the air conditioner is misjudged due to the fluctuation of the current of the fan is avoided by increasing the continuous times that the current value of the fan arranged behind is not less than the current value of the fan arranged in front of the fan. 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 steady-state current value specifically includes: calculating the change value of the steady-state current value relative to the standard current value, and comparing the change 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 above-described variation value is equal to the difference Δ I between the standard current value Ib and the steady-state current value Iw. That is, if the difference Δ I between the standard current value Ib and the steady-state current value Iw is greater than the preset value, it is suggested that the air conditioner needs to be cleaned, and if the difference Δ I between the standard current value Ib and the steady-state current value Iw is not greater than the preset value, it is not suggested 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, 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 may be measured before shipping the air conditioner, that is, when the air conditioner is in a completely clean state and the air conditioner is in a cooling operation, and the standard current value of the indoor unit when the condensation of the indoor unit is saturated may be measured. In addition, the standard current value can be measured after the air conditioner leaves a factory, that is, in the using process of the air conditioner, when the air conditioner operates in a refrigerating mode, the current value with the highest frequency of occurrence in a plurality of fan current values of the indoor unit when the condensation of the indoor unit acquired within the preset time reaches a saturated 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 technicians in the field can flexibly set the sampling number of the fan current values in 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.
Further, the air conditioner of the present invention further includes a controller configured to be able to perform the control method described above. The controller can help a user accurately judge whether the air conditioner needs to be cleaned or not, and can prompt the user when the air conditioner needs to be cleaned, so that the air conditioner can be cleaned in time.
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 (7)
1. A control method for an air conditioner including an indoor unit, characterized by comprising:
detecting fan current of the indoor unit once every preset time when the air conditioner operates in a refrigerating mode to obtain a plurality of fan current values;
sequencing the plurality of fan current values according to acquisition time, wherein the fan current value acquired firstly is arranged in front, the fan current value acquired later is arranged in back, and when the fan current value arranged in back is not less than the fan current value arranged in front, the fan current value which does not change any more is taken as a steady-state current value;
calculating a variation value of the steady-state current value relative to a 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 when the air conditioner is completely clean and the condensation on the indoor unit reaches a saturated state during the refrigeration operation of the air conditioner.
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 "prompting that the air conditioner needs to be cleaned" includes:
and changing an indicator lamp on the indoor unit into an early warning color.
5. The control method according to claim 4, wherein the warning color is red.
6. The control method according to claim 1, wherein the variation value is equal to a difference between the standard current value and the steady-state current value.
7. An air conditioner comprising a controller, characterized in that the controller is configured to be able to perform the control method of any one of claims 1 to 6.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645516.XA CN110631173B (en) | 2018-06-21 | 2018-06-21 | Control method for air conditioner and air conditioner |
| PCT/CN2019/092140 WO2019242703A1 (en) | 2018-06-21 | 2019-06-20 | Control method for use in air conditioner, and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810645516.XA CN110631173B (en) | 2018-06-21 | 2018-06-21 | Control method for air conditioner and air conditioner |
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| CN110631173A CN110631173A (en) | 2019-12-31 |
| CN110631173B true CN110631173B (en) | 2021-06-01 |
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| WO (1) | WO2019242703A1 (en) |
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| CN112498057A (en) * | 2020-12-11 | 2021-03-16 | 奇瑞汽车股份有限公司 | Automobile air conditioner filter element state monitoring and reminding system and method |
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2018
- 2018-06-21 CN CN201810645516.XA patent/CN110631173B/en active Active
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| KR20060066921A (en) * | 2004-12-14 | 2006-06-19 | 재단법인서울대학교산학협력재단 | Apparatus and control methods for architectural heating and cooling system integrated with ventilation and air cleaning system in residential buildings |
| CN107289575A (en) * | 2016-04-01 | 2017-10-24 | 珠海格力电器股份有限公司 | Anti-condensation control method and system |
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Also Published As
| Publication number | Publication date |
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| CN110631173A (en) | 2019-12-31 |
| WO2019242703A1 (en) | 2019-12-26 |
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