CN109916037B - Self-cleaning control method for air conditioner - Google Patents
Self-cleaning control method for air conditioner Download PDFInfo
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- CN109916037B CN109916037B CN201910218959.5A CN201910218959A CN109916037B CN 109916037 B CN109916037 B CN 109916037B CN 201910218959 A CN201910218959 A CN 201910218959A CN 109916037 B CN109916037 B CN 109916037B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 239000000428 dust Substances 0.000 claims abstract description 26
- 238000007664 blowing Methods 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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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
- F24F11/62—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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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- Engineering & Computer Science (AREA)
- 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)
- Air Conditioning Control Device (AREA)
Abstract
The invention belongs to the technical field of air conditioners, and particularly provides a self-cleaning control method of an air conditioner. In order to improve the self-cleaning effect of the air conditioner, the air conditioner comprises an indoor unit, and an exhaust fan and an air supply fan which are arranged on the indoor unit; the air exhaust fan is used for sucking dust on the heat exchanger of the indoor unit to the outdoor, and the air supply fan is used for blowing up the dust on the heat exchanger to assist the air exhaust fan in sucking the dust to the outdoor; the self-cleaning control method of the air conditioner comprises the following steps: detecting the turbidity of condensed water under the condition that a heat exchanger of an indoor unit generates the condensed water; and judging whether to start the exhaust fan and the air supply fan when the air conditioner is started next time according to the turbidity degree of the condensed water. The invention judges whether to start the air exhaust fan and the air supply fan when the air conditioner is started next time according to the turbidity degree of the condensed water, thereby accurately determining the time for dust absorption and cleaning of the heat exchanger.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly provides a self-cleaning control method of an air conditioner.
Background
The air conditioner is the equipment that can refrigerate for the room/heat, and along with the time lapse, the deposition on the air conditioner indoor set can increase gradually, can breed a large amount of bacteriums after the deposition accumulates to a certain extent, especially when indoor air flows through the indoor set, can carry a large amount of dust and bacterium, consequently needs in time to clean the air conditioner. At present, the air conditioner mostly adopts a self-cleaning mode, namely, the operation of an indoor unit is controlled, so that an evaporator is firstly frosted and then defrosted, and the evaporator is cleaned by using the defrosted air. Sometimes, the indoor heat exchanger cannot be completely cleaned up only by self-cleaning in a way of first frosting and then defrosting, and particularly is difficult to be carried away by the defrosting water when a large dirty spider web exists.
Therefore, the present invention provides a self-cleaning control method for an air conditioner to solve the above problems.
Disclosure of Invention
In order to solve the problems in the prior art, namely to improve the self-cleaning effect of the air conditioner, the invention provides a self-cleaning control method of the air conditioner, wherein the air conditioner comprises an indoor unit, and an exhaust fan and an air supply fan which are arranged on the indoor unit; the air exhaust fan is used for sucking dust on the heat exchanger of the indoor unit to the outdoor, and the air supply fan is used for blowing up the dust on the heat exchanger to assist the air exhaust fan in sucking the dust to the outdoor; the self-cleaning control method of the air conditioner comprises the following steps: s110, detecting the pollution turbidity of condensed water under the condition that the heat exchanger of the indoor unit generates the condensed water; and S120, judging whether the air exhaust fan and the air supply fan are started when the air conditioner is started next time according to the turbidity degree of the condensed water.
In a preferred embodiment of the above-mentioned self-cleaning control method of the air conditioner, step S120 specifically includes: and when the dirt turbidity is larger than a first preset value, starting the air exhaust fan and the air supply fan when the air conditioner is started next time.
In a preferred embodiment of the above air conditioner self-cleaning control method, the air conditioner self-cleaning control method further comprises: under the condition that the pollution turbidity is larger than a first preset value, if the pollution turbidity is smaller than or equal to a second preset value, controlling the rotating speed of the air exhaust fan to be a first rotating speed and controlling the rotating speed of the air supply fan to be a second rotating speed when the air conditioner is started next time; wherein the second preset value is larger than the first preset value.
In a preferred embodiment of the above air conditioner self-cleaning control method, the air conditioner self-cleaning control method further comprises: when the dirt turbidity is larger than a second preset value, controlling the rotating speed of the air exhaust fan to be a third rotating speed and controlling the rotating speed of the air supply fan to be a fourth rotating speed when the air conditioner is started next time; wherein the third rotational speed is greater than the first rotational speed, and the fourth rotational speed is greater than the second rotational speed.
In a preferred embodiment of the above-mentioned self-cleaning control method of the air conditioner, the air conditioner includes a condensed water pipeline through which condensed water generated by the indoor heat exchanger is discharged; in step S110, the step of detecting the turbidity of the condensed water includes: and detecting the turbidity of the condensed water in the condensed water pipeline.
In a preferred embodiment of the above air conditioner self-cleaning control method, the air inlet of the indoor unit is provided with a cover plate, and the cover plate can open or close the air inlet of the indoor unit; the self-cleaning control method of the air conditioner further comprises the following steps: and when the air supply fan and the air exhaust fan are started, the cover plate is controlled to close the air inlet.
In a preferred embodiment of the above self-cleaning control method for the air conditioner, the air conditioner further includes a water storage chamber and a humidification module, which are disposed in the indoor unit, and water in the water storage chamber can be atomized into water vapor under the action of the humidification module and diffused to the heat exchanger; the self-cleaning control method of the air conditioner further comprises the following steps: and starting the humidifying module after the air conditioner finishes dust suction and cleaning.
In a preferred embodiment of the above air conditioner self-cleaning control method, the air conditioner self-cleaning control method further comprises: before the humidifying module is started, acquiring water quality information in the water storage cavity; and judging whether to start the humidifying module according to the water quality information.
In an embodiment of the above air conditioner self-cleaning control method, the step of determining whether to start the humidification module according to the water quality information includes: and when the water quality information meets a preset water quality standard, starting the humidifying module.
In an embodiment of the above air conditioner self-cleaning control method, the step of determining whether to start the humidification module according to the water quality information includes: when the water quality information does not meet the preset water quality standard, the humidifying module is not started and reminding information is sent out; the reminding information is used for reminding a user to replace the water in the water storage cavity.
If the indoor heat exchanger is dirty, the condensate water generated in the cooling mode is also dirty, i.e., the turbidity of the condensate water varies with the degree of cleanliness of the indoor heat exchanger. Therefore, the invention judges whether to start the exhaust fan and the air supply fan when the air conditioner is started next time according to the turbidity degree of the condensed water, thereby accurately determining the time for dust absorption and cleaning of the heat exchanger. Furthermore, the dirty degree of the heat exchanger is judged according to the dirty degree of the condensed water, and then the rotating speeds of the air supply fan and the air exhaust fan are judged according to the dirty degree of the heat exchanger, so that the energy is saved on the premise of ensuring the dust collection effect.
Drawings
Fig. 1 is a main flowchart of a self-cleaning control method of an air conditioner of the present invention.
Detailed Description
In order to make the embodiments, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. 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 air conditioner comprises an indoor unit, and an exhaust fan and an air supply fan which are arranged on the indoor unit; the air exhaust fan is used for sucking dust on the heat exchanger of the indoor unit to the outdoor, and the air supply fan is used for blowing up the dust on the heat exchanger to assist the air exhaust fan in sucking the dust on the heat exchanger to the outdoor.
Referring to fig. 1, fig. 1 is a main flowchart of a self-cleaning control method of an air conditioner of the present invention. As shown in fig. 1, the self-cleaning control method of the air conditioner of the present invention includes the following steps: s110, detecting the turbidity of condensed water under the condition that the heat exchanger of the indoor unit generates the condensed water; and S120, judging whether to start the exhaust fan and the air supply fan when the air conditioner is started next time according to the turbidity degree of the condensed water. Specifically, when the turbidity is greater than a first preset value, the exhaust fan and the supply fan are started when the air conditioner is started next time. It will be appreciated by those skilled in the art that if the indoor heat exchanger is dirty, the condensate water produced in the cooling mode will also be dirty, i.e., the turbidity of the condensate water will also vary with the degree of cleanliness of the indoor heat exchanger. Therefore, the invention can accurately judge the dirt degree of the indoor heat exchanger according to the turbidity of the condensed water, and further accurately judge whether to start the exhaust fan and the air supply fan when the air conditioner is started next time. It should be noted that, when the air conditioner generates condensed water, it is described that the heat exchanger is in a condensation state, the condensation state may cause dust on the heat exchanger to adhere to the surface of the heat exchanger, and even if the exhaust fan and the air supply fan are started, the dust on the heat exchanger is not easily sucked out of the room, so when the dirt degree is greater than the first preset value, in order to ensure that the dust on the heat exchanger is sucked out of the room, the heat exchanger may be cleaned by dust suction when the heat exchanger is started next time (when the heat exchanger is started next time, the condensation on the heat exchanger is usually removed).
The first predetermined value can be determined by a person skilled in the art by testing, for example, by obtaining a function relationship between the turbidity of the condensed water and the dirt of the heat exchanger by testing, and determining a reasonable first predetermined value as a critical value for whether to self-clean the heat exchanger.
Preferably, under the condition that the dirt degree is larger than a first preset value, if the dirt degree is smaller than or equal to a second preset value, the rotating speed of the air exhaust fan is controlled to be a first rotating speed when the air conditioner is started next time, and the rotating speed of the air supply fan is controlled to be a second rotating speed; wherein the second preset value is larger than the first preset value. At this time, the turbidity value of the condensed water is not particularly high, which indicates that the filth blockage of the heat exchanger is not very serious, so that the rotating speed of the exhaust fan can be set as the first rotating speed and the rotating speed of the air supply fan can be set as the second rotating speed when the air conditioner is started next time. The first rotation speed and the second rotation speed may be set by those skilled in the art according to actual needs, and for example, the first rotation speed may be a first gear rotation speed of the exhaust fan, and the second rotation speed may be a first gear rotation speed of the supply fan.
Further, when the pollution turbidity is larger than a second preset value, controlling the rotating speed of the air exhaust fan to be a third rotating speed and controlling the rotating speed of the air supply fan to be a fourth rotating speed when the air conditioner is started next time; wherein the third rotating speed is larger than the first rotating speed, and the fourth rotating speed is larger than the second rotating speed. At this time, the turbidity of the condensed water is high, which indicates that the filth blockage of the heat exchanger is very serious, so that the rotating speed of the exhaust fan can be set to be the third rotating speed and the rotating speed of the air supply fan can be set to be the fourth rotating speed when the air conditioner is started next time. The third rotation speed and the fourth rotation speed may be set by those skilled in the art according to actual needs, and for example, the third rotation speed may be a second-gear rotation speed of the exhaust fan (or other rotation speeds higher than the first gear), and the fourth rotation speed may be a second-gear rotation speed of the supply fan (or other rotation speeds of the first gear). The second preset value is also determined by a person skilled in the art according to actual conditions.
In a specific embodiment, the air inlet of the indoor unit is provided with a cover plate, and the cover plate can open or close the air inlet of the indoor unit. Therefore, when the air supply fan and the air exhaust fan are started, the air inlet is closed by the control cover plate, so that the heat exchanger can clean dust in a closed environment, and the dust collection efficiency of the heat exchanger can be further improved.
In a more specific embodiment, the air conditioner further comprises a water storage cavity and a humidifying module which are arranged in the indoor unit, and water in the water storage cavity can be atomized into water vapor under the action of the humidifying module and diffused to the heat exchanger. The self-cleaning control method of the air conditioner of the invention also comprises the following steps: after the air conditioner finishes dust absorption and cleaning, the humidifying module is started to ensure that clean water vapor diffuses on the heat exchanger of the indoor unit, so that the cleanliness of the heat exchanger is improved.
Preferably, before the humidifying module is started, water quality information in the water storage cavity is acquired; and judging whether to start the humidifying module according to the water quality information. Specifically, when the water quality information meets a preset water quality standard, a humidifying module is started; and when the water quality information does not meet the preset water quality standard, the humidifying module is not started and reminding information is sent. Wherein, the reminding information is used for reminding the user to replace the water in the water storage cavity. If the indoor air is humidified by poor water quality, the indoor air can be polluted, the surface of the heat exchanger is covered with dust, and the better cleaning effect can be achieved only by using clean water. Therefore, only when the water quality information meets the preset water quality standard, the humidification module is favorable for humidifying the indoor air, so that the situation of polluting the indoor air is prevented.
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 self-cleaning control method of an indoor unit of an air conditioner is characterized in that the air conditioner comprises the indoor unit, and an exhaust fan and an air supply fan which are arranged on the indoor unit; the air exhaust fan is used for sucking dust on the heat exchanger of the indoor unit to the outdoor, and the air supply fan is used for blowing up the dust on the heat exchanger to assist the air exhaust fan in sucking the dust to the outdoor; the air inlet of the indoor unit is provided with a cover plate, and the cover plate can open or close the air inlet of the indoor unit;
the self-cleaning control method of the air conditioner comprises the following steps:
s110, detecting the pollution turbidity of condensed water under the condition that the heat exchanger of the indoor unit generates the condensed water;
s120, judging whether the air exhaust fan and the air supply fan are started when the air conditioner is started next time according to the turbidity degree of the condensed water;
step S120 specifically includes:
when the turbidity is larger than a first preset value, starting the air exhaust fan and the air supply fan when the air conditioner is started next time;
and when the air supply fan and the air exhaust fan are started, the cover plate is controlled to close the air inlet.
2. The self-cleaning control method of an indoor unit of an air conditioner as claimed in claim 1, wherein the self-cleaning control method further comprises:
under the condition that the pollution turbidity is larger than a first preset value, if the pollution turbidity is smaller than or equal to a second preset value, controlling the rotating speed of the air exhaust fan to be a first rotating speed and controlling the rotating speed of the air supply fan to be a second rotating speed when the air conditioner is started next time;
wherein the second preset value is larger than the first preset value.
3. The self-cleaning control method of an indoor unit of an air conditioner as claimed in claim 2, wherein the self-cleaning control method further comprises:
when the dirt turbidity is larger than a second preset value, controlling the rotating speed of the air exhaust fan to be a third rotating speed and controlling the rotating speed of the air supply fan to be a fourth rotating speed when the air conditioner is started next time;
wherein the third rotational speed is greater than the first rotational speed, and the fourth rotational speed is greater than the second rotational speed.
4. The self-cleaning control method of an indoor unit of an air conditioner according to claim 1, wherein the air conditioner comprises a condensed water pipeline through which condensed water generated by the indoor heat exchanger is discharged; in step S110, the step of detecting the turbidity of the condensed water includes:
and detecting the turbidity of the condensed water in the condensed water pipeline.
5. The self-cleaning control method of an indoor unit of an air conditioner as claimed in claim 1, wherein the air conditioner further comprises a water storage chamber and a humidifying module which are arranged in the indoor unit, and water in the water storage chamber can be atomized into water vapor under the action of the humidifying module and diffused to the heat exchanger;
the self-cleaning control method of the air conditioner further comprises the following steps:
and starting the humidifying module after the air conditioner finishes dust suction and cleaning.
6. The self-cleaning control method of an indoor unit of an air conditioner as claimed in claim 5, wherein the self-cleaning control method further comprises:
before the humidifying module is started, acquiring water quality information in the water storage cavity;
and judging whether to start the humidifying module according to the water quality information.
7. The self-cleaning control method of an indoor unit of an air conditioner as claimed in claim 6, wherein the step of determining whether to start the humidifying module according to the water quality information specifically comprises:
and when the water quality information meets a preset water quality standard, starting the humidifying module.
8. The self-cleaning control method of an indoor unit of an air conditioner as claimed in claim 6, wherein the step of determining whether to start the humidifying module according to the water quality information specifically comprises:
when the water quality information does not meet the preset water quality standard, the humidifying module is not started and reminding information is sent out;
the reminding information is used for reminding a user to replace the water in the water storage cavity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910218959.5A CN109916037B (en) | 2019-03-21 | 2019-03-21 | Self-cleaning control method for air conditioner |
| PCT/CN2020/079939 WO2020187242A1 (en) | 2019-03-21 | 2020-03-18 | Self-cleaning control method for air conditioner |
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| CN201910218959.5A CN109916037B (en) | 2019-03-21 | 2019-03-21 | Self-cleaning control method for air conditioner |
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| CN109916037B true CN109916037B (en) | 2022-01-21 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916040A (en) * | 2019-03-21 | 2019-06-21 | 青岛海尔空调器有限总公司 | Air conditioner automatically cleaning control method and air conditioner |
| CN109916037B (en) * | 2019-03-21 | 2022-01-21 | 青岛海尔空调器有限总公司 | Self-cleaning control method for air conditioner |
| CN111306693A (en) * | 2019-11-12 | 2020-06-19 | 珠海格力电器股份有限公司 | Self-cleaning control method, device and equipment |
| CN111706954B (en) * | 2020-06-10 | 2022-04-19 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
| CN114440399B (en) * | 2022-02-25 | 2023-09-05 | 四川长虹空调有限公司 | Self-cleaning control method of air conditioner |
| CN115854479B (en) * | 2022-10-21 | 2024-05-28 | 珠海格力电器股份有限公司 | Self-cleaning method and device of air conditioner, air conditioner and storage medium |
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| CN106545987A (en) * | 2015-09-17 | 2017-03-29 | 广东美的制冷设备有限公司 | A kind of air-conditioner outdoor unit dust arrester and dust collection method |
| CN105268694A (en) * | 2015-10-30 | 2016-01-27 | 苏州腾辉环保科技有限公司 | Dust remover of air conditioner |
| CN205655430U (en) * | 2016-05-16 | 2016-10-19 | 何鹏程 | Multipurpose humidifier |
| CN105945008A (en) * | 2016-06-07 | 2016-09-21 | 珠海格力电器股份有限公司 | Cleaning device for air conditioner, air conditioner and cleaning method of air conditioner |
| JP2018189257A (en) * | 2017-04-28 | 2018-11-29 | 日立ジョンソンコントロールズ空調株式会社 | Air conditioner |
| CN107514682A (en) * | 2017-07-26 | 2017-12-26 | 青岛海尔空调器有限总公司 | Air conditioner room unit with self-cleaning function |
| CN107687695A (en) * | 2017-09-19 | 2018-02-13 | 天钥光电（湖北）股份有限公司 | A kind of air filter |
| CN208419006U (en) * | 2018-05-22 | 2019-01-22 | 珠海格力电器股份有限公司 | Automatic dust removal device, air conditioner outdoor unit and air conditioner |
| CN109237638A (en) * | 2018-08-20 | 2019-01-18 | 珠海格力电器股份有限公司 | Outdoor unit capable of removing filth blockage of heat exchanger and control method |
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| WO2020187242A1 (en) | 2020-09-24 |
| CN109916037A (en) | 2019-06-21 |
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