CN109631230B - Control method of household self-cleaning air conditioner with early warning function - Google Patents
Control method of household self-cleaning air conditioner with early warning function Download PDFInfo
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- 238000004140 cleaning Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 35
- 230000009471 action Effects 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 10
- 230000006870 function Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 230000006872 improvement Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005367 electrostatic precipitation Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
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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
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control method of a household self-cleaning air conditioner with an early warning function, wherein three working conditions are set in a controller; after starting up, the controller compares the wind speed acquired by the wind speed sensor with the rated wind speed of the corresponding wind volume gear of the centrifugal fan; when the ratio is larger than or equal to A, entering a normal working condition, and adjusting the distance between the fins by adjusting the telescopic amount of the multi-stage free telescopic rods by the controller according to different air volume gears of the air conditioner; when the ratio is smaller than A, then enter the alarm condition, the controller triggers the buzzer alarm to send out an alarm, and enter the self-cleaning condition: taking out the filter screen for cleaning, sleeving a dust collecting device, adjusting the spacing of fins to be the maximum, working the centrifugal fan at the maximum air quantity gear to wash the fins of the snakelike heat exchanger, stopping the machine after working time is reached, installing the filter screen, and dismantling the dust collecting device. The invention can solve the problem of dust accumulation and scaling of the air conditioner, can prompt excessive dust accumulation of the filter screen in time, and has strong applicability.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to a control method of a household self-cleaning air conditioner with an early warning function.
[ background of the invention ]
With the development of society and the improvement of the living standard of people, more and more air conditioners enter every family. When the air conditioner brings comfort to people, the following problems can occur in the working process of the air conditioner:
(1) a lot of dust can gather on the filter screen of air conditioning indoor set, causes the air conditioner bottom often not to blow wind, and the user need pull down the filter screen and clear up after using a period of time, and is more troublesome.
(2) And scaling of the heat exchanger of the indoor unit. Because the heat exchanger of the indoor unit mostly adopts a finned tube structure, dust with smaller particle size can be accumulated on the finned tube through the filter screen, and the effect of the air conditioner can be influenced. Therefore, professional personnel must be required to disassemble the air conditioner and clean the heat exchanger of the indoor unit by using the high-pressure water gun, which is not only expensive and labor-consuming, but also can form water traces by using the high-pressure water gun to wash water, thereby affecting the beauty of household interior decoration.
In view of the above problems, effective improvements have been made. The chinese patent application No. 201720982173.7 discloses an air conditioner, which comprises an air flow passage and an electrostatic precipitation assembly arranged in the air flow passage, wherein the electrostatic precipitation assembly comprises an anode system and a cathode system, and the electrostatic precipitation assembly is used for removing particulate matters in air in the air flow passage. The Chinese patent with the application number of 201810351736.1 discloses a self-cleaning intelligent air conditioner, which comprises an air conditioner indoor unit main body; the device also comprises a protective box, a maintenance plate, an air outlet box, a dust collecting mechanism, a dust filtering plate, a cleaning mechanism, a traction mechanism, a transmission mechanism and a side guard plate; the upper traction mechanism and the lower traction mechanism are adopted to roll and drive the dust filter plate, and the cleaning mechanism can clean dust on the surface of the dust filter plate in the movement process of the dust filter plate; the dust cleaned up under the action of the dust collecting mechanism can be quickly collected on the dust collecting screen plate to pour out the dust.
Although these techniques can improve some aspects of the problems, none of them have solved the above problems completely and radically. How to fundamentally solve the problems of dust accumulation and scaling of the household air conditioner becomes a urgent need. Accordingly, the household self-cleaning air conditioner with the early warning function and the control method thereof are provided.
[ summary of the invention ]
The technical problem to be solved by the invention is to provide a control method of a household self-cleaning air conditioner with an early warning function, which can solve the problem of dust deposition and scaling of the air conditioner, realize the improvement of the heat exchange efficiency of an indoor unit heat exchanger to a certain extent, remind the excessive dust accumulation of a filter screen in time and have strong applicability.
The invention realizes the technical problems as follows:
a control method of a household self-cleaning air conditioner with an early warning function comprises the following steps:
step 1, setting the normal working condition, the alarming condition and the self-cleaning condition of the air conditioner in a controller: setting a normal working condition when the ratio of the wind speed acquired by the wind speed sensor to the rated wind speed of the corresponding wind quantity gear in the centrifugal fan is greater than or equal to A; when the ratio of the wind speed acquired by the wind speed sensor to the rated wind speed of the corresponding wind quantity gear in the centrifugal fan is less than A, the condition is an alarm condition; setting working pressure in the heat-conducting oil sleeve, fin spacing corresponding to an air volume gear of the air conditioner, rated air speed corresponding to an air volume gear of the centrifugal fan and self-cleaning working time;
step 2, after the air conditioner is started up according to a set mode and an air volume gear speed, a pressurizing oil pump pressurizes heat conduction oil from a heat conduction oil tank and enters a heat conduction oil sleeve, and after the pressure is reached, the pressurizing oil pump stops working; the air speed sensor monitors the air speed at one side of the air outlet surface of the filter screen of the air conditioner in real time, the collected air speed is transmitted to the controller, the controller acquires a real-time air quantity gear of the centrifugal fan, and the air speed collected by the air speed sensor is compared with the rated air speed of a corresponding air quantity gear in the centrifugal fan;
step 2.1, when the ratio of the wind speed acquired by the wind speed sensor and the rated wind speed of the corresponding wind quantity gear in the centrifugal fan calculated by the controller is greater than or equal to A, entering a normal working condition, enabling the conventional air conditioning module to work normally, filtering indoor return air through a filter screen under the action of the centrifugal fan, flushing fins of a snake-shaped heat exchanger of the indoor unit, and entering a room through an air outlet of the indoor unit of the air conditioner after heat exchange; according to different air volume gears of the air conditioner, the controller adjusts the telescopic amount of the multi-stage free telescopic rods through the variable-frequency servo motor to adjust the distance between the fins to reach a set value;
step 2.2, when the ratio of the wind speed acquired by the wind speed sensor and the rated wind speed of the corresponding wind quantity gear in the centrifugal fan is calculated by the controller to be smaller than A, entering an alarm state, switching on a relay by the controller, triggering a buzzer alarm to give an alarm, prompting a filter screen to clean ash, prompting an indoor heat exchanger to clean accumulated scale, and entering step 3;
step 3, "self-cleaning condition": firstly, opening an air conditioner panel, taking out a filter screen for cleaning, and sleeving a dust collection device on an air outlet of an air conditioner; then the controller adjusts the distance between the fins to be maximum; the controller controls the centrifugal fan to work at a maximum air quantity gear, indoor return air washes fins of the serpentine heat exchanger under the action of the centrifugal fan, and the indoor return air enters a room after being collected by a dust collecting device sleeved on an air outlet of the air conditioner through an air outlet of the indoor unit; and after the working time is up, the air conditioner is stopped, the filter screen is installed, and the dust collecting device is dismantled.
Further, in step 2.1 and step 3, the specific steps of adjusting the spacing of the fins are as follows: the controller opens the oil guide valve, heat conduction oil in the heat conduction oil sleeve enters the oil guide oil tank through the bypass pipe under the action of gravity, the pipe diameter of the heat conduction oil sleeve contracts, the controller controls the variable frequency servo motor to run, the controller drives the free multi-stage telescopic rod to act, the distance between the fins is adjusted, and after the distance reaches a set value, the controller controls the pressurizing oil pump to restart, the heat conduction oil is pressurized from the heat conduction oil tank and enters the heat conduction oil sleeve, after pressure is reached, the pressurizing oil pump stops working, the pipe diameter of the heat conduction oil sleeve becomes large, and the fins are clamped on.
Furthermore, a limiting plate is further arranged inside the air conditioner indoor unit and is arranged at the front end of the multi-stage free telescopic rod.
Furthermore, the heat conducting oil sleeve is made of soft metal.
The invention has the following advantages:
the method is simple to operate, the condition of dust accumulation of the filter screen is judged according to actual wind degree monitoring, the working mode of the system is adjusted through the controller, the distance between fins is controlled, and the problem of dust accumulation and scaling of the air conditioner is solved; in addition, the invention can also adjust the fin spacing according to the real-time air quantity gear of the air conditioner, thus realizing the improvement of the heat exchange efficiency of the heat exchanger of the indoor unit to a certain extent; the early warning function of the invention can remind the excessive dust accumulation of the filter screen in time, and the applicability is strong; in a word, the air conditioning system can be guaranteed to work normally and efficiently.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of an air conditioner according to the method of the present invention.
FIG. 2 is a schematic diagram of the electrical connections of the air conditioner in the method of the present invention.
FIG. 3 is a schematic diagram of the steps of the implementation method of the present invention.
[ detailed description ] embodiments
Referring to fig. 1 to 3, the control method of the present invention is implemented based on the following air conditioner: the air conditioner comprises an air conditioner inner unit 100, wherein an air return opening 1, an air outlet 2, a centrifugal fan 3, a snakelike heat exchanger 4 and an early warning self-cleaning system are arranged on the air conditioner inner unit, a filter screen is arranged on the inner side of the air return opening 1, the centrifugal fan 3 is arranged on the inner side of the air outlet 2,
the early warning self-cleaning system comprises a controller 5, a wind speed sensor 6, a relay 7, a buzzer alarm 8, a variable frequency servo motor 9, a multi-stage free telescopic rod 10, fins 11, a heat conduction oil sleeve 12, a heat conduction oil tank 13, a pressurized oil pump 14 and an oil guide valve 15, wherein the multi-stage free telescopic rod 10 is arranged in the middle of the snakelike heat exchanger 4, the wind speed sensor 6 is arranged on one side of the air outlet surface of a filter screen, the heat conduction oil sleeve 12 is sleeved outside the snakelike heat exchanger 4, the variable frequency servo motor 9 is connected with the multi-stage free telescopic rod 10, the middle of each fin 11 is fixed on the multi-stage free telescopic rod 10 at equal intervals, two ends of each fin,
the heat-conducting oil tank 13 is connected to an inlet of a heat-conducting oil sleeve 12 through a pressurized oil pump 14, and an outlet of the heat-conducting oil sleeve 12 is connected to the heat-conducting oil tank 13 through an oil guide valve 15;
the controller 5 and centrifugal fan 3, air velocity transducer 6, frequency conversion servo motor 9, pressurized oil pump 14, lead oily valve 15 electric connection, controller 5 passes through relay 7 and buzzer siren 8 electric connection.
A limiting plate 16 is further arranged inside the air conditioner indoor unit 100, and the limiting plate 16 is arranged at the front end of the multi-stage free telescopic rod 10 and used for limiting the extension length of the multi-stage free telescopic rod 10.
The heat conducting oil sleeve 12 is made of soft metal and has a contraction characteristic, can be in close contact with the fins 11 after reaching specified pressure, has a memory function after being depressurized, contracts comprehensively, is separated from the fins 11, and facilitates movement and adjustment of the spacing of the fins 11.
A one-way valve 17 is arranged on a bypass pipe which is communicated with the outlet of the pressure oil pump 14 and the heat conducting oil sleeve 12.
The invention relates to a control method of a household self-cleaning air conditioner with an early warning function, which comprises the following steps:
step 1, setting the normal working condition, the alarming condition and the self-cleaning condition of the air conditioner in a controller 5: setting a normal working condition when the ratio of the wind speed acquired by the wind speed sensor 6 to the rated wind speed of the corresponding wind quantity gear in the centrifugal fan 3 is greater than or equal to 0.3; when the ratio of the wind speed acquired by the wind speed sensor 6 to the rated wind speed of the corresponding wind volume gear in the centrifugal fan 3 is less than 0.3, the alarm condition is set; setting working pressure in the heat conducting oil sleeve 12, the distance between the fins 11 corresponding to the air volume gear of the air conditioner, the rated air speed corresponding to the air volume gear of the centrifugal fan 3 and self-cleaning working time;
step 2, after the air conditioner is started up according to a set mode and an air volume gear speed, the pressure oil pump 14 pressurizes heat conduction oil from the heat conduction oil tank 13 into the heat conduction oil sleeve 12, and after the pressure is reached, the pressure oil pump 14 stops working; the air speed sensor 6 monitors the air speed at one side of the air outlet surface of the filter screen of the air conditioner in real time, the collected air speed is transmitted to the controller 5, the controller 5 acquires the real-time air quantity gear of the centrifugal fan 3, and the air speed collected by the air speed sensor 6 is compared with the rated air speed of the corresponding air quantity gear in the centrifugal fan 3;
step 2.1, when the controller 5 calculates that the ratio of the wind speed acquired by the wind speed sensor 6 to the rated wind speed of the corresponding wind volume gear in the centrifugal fan 3 is greater than or equal to 0.3, entering a normal working condition, enabling the conventional air conditioning module to normally work, filtering indoor return air from the return air inlet 1 through a filter screen under the action of the centrifugal fan 3, flushing fins 11 of the snake-shaped heat exchanger 4 of the indoor unit, and entering a room through the air outlet 2 of the indoor unit of the air conditioner after heat exchange; according to different air volume gears of the air conditioner, the controller 5 adjusts the telescopic amount of the multi-stage free telescopic rods 10 through the variable frequency servo motor 9 to adjust the distance between the fins 11 to reach a set value;
step 2.2, when the controller 5 calculates that the ratio of the wind speed acquired by the wind speed sensor 6 to the rated wind speed of the corresponding wind volume gear in the centrifugal fan 3 is less than A which is 0.3, entering an alarm state, switching on the relay 7 by the controller 5, triggering the buzzer alarm 8 to give an alarm, prompting a filter screen to clean ash, and entering step 3 when the indoor serpentine heat exchanger needs to clean accumulated scale;
step 3, "self-cleaning condition": firstly, opening an air conditioner panel, taking out a filter screen for cleaning, and sleeving a dust collecting device on an air outlet 2 of an air conditioner indoor unit 100; then the controller 5 adjusts the spacing of the fins 11 to the maximum; the controller 5 controls the centrifugal fan 3 to work at a maximum air quantity gear, indoor return air washes the fins 11 of the serpentine heat exchanger 4 under the action of the centrifugal fan 3, and the indoor return air enters a room after dust is collected by a dust collecting device sleeved on the air outlet 2 of the indoor air conditioner 100 through the air outlet 2 of the indoor air conditioner 100; and after the working time is up, the air conditioner is stopped, the filter screen is installed, and the dust collecting device is dismantled.
In step 2.1 and step 3, the specific steps of adjusting the spacing of the fins 11 are as follows: the controller 5 opens the oil guide valve 15, heat conduction oil in the heat conduction oil sleeve 12 enters the oil guide oil tank 13 through the bypass pipe under the action of gravity, the pipe diameter of the heat conduction oil sleeve 12 is contracted, the controller 5 controls the variable frequency servo motor 9 to operate, the free multi-stage telescopic rod 10 is driven to act, the distance between the fins 11 is adjusted to reach a set value, the controller 5 controls the pressure oil pump 14 to be started again, the heat conduction oil is pressurized from the heat conduction oil tank 13 and enters the heat conduction oil sleeve 12, after the pressure is reached, the pressure oil pump 14 stops working, the pipe diameter of the heat conduction oil sleeve 12 is increased, the fins 11 are clamped on the heat conduction oil sleeve 12, and the overall.
The method is simple to operate, the condition of dust accumulation of the filter screen is judged according to actual wind degree monitoring, the working mode of the system is adjusted through the controller, the distance between fins is controlled, and the problem of dust accumulation and scaling of the air conditioner is solved; in addition, the invention can also adjust the fin spacing according to the real-time air quantity gear of the air conditioner, thus realizing the improvement of the heat exchange efficiency of the heat exchanger of the indoor unit to a certain extent; the early warning function of the invention can remind the excessive dust accumulation of the filter screen in time, and the applicability is strong; in a word, the air conditioning system can be guaranteed to work normally and efficiently.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (4)
1. A control method of a household self-cleaning air conditioner with an early warning function is characterized in that: the early warning self-cleaning system comprises a controller, a wind speed sensor, a relay, a buzzer alarm, a variable frequency servo motor, a multi-stage free telescopic rod, fins, a heat conduction oil sleeve, a heat conduction oil tank, a pressurized oil pump and an oil guide valve, wherein the multi-stage free telescopic rod is arranged in the middle of the serpentine heat exchanger, the wind speed sensor is arranged on one side of the air outlet surface of the filter screen, the heat conduction oil sleeve is sleeved outside the serpentine heat exchanger, the variable frequency servo motor is connected with the multi-stage free telescopic rod, the middle part of each fin is fixed on the multi-stage free telescopic rod at equal intervals, and two ends of;
the control method comprises the following steps:
step 1, setting the normal working condition, the alarming condition and the self-cleaning condition of the air conditioner in a controller: setting a normal working condition when the ratio of the wind speed acquired by the wind speed sensor to the rated wind speed of the corresponding wind quantity gear in the centrifugal fan is greater than or equal to A; when the ratio of the wind speed acquired by the wind speed sensor to the rated wind speed of the corresponding wind quantity gear in the centrifugal fan is less than A, the condition is an alarm condition; setting working pressure in the heat-conducting oil sleeve, fin spacing corresponding to an air volume gear of the air conditioner, rated air speed corresponding to an air volume gear of the centrifugal fan and self-cleaning working time;
step 2, after the air conditioner is started up according to a set mode and an air volume gear speed, a pressurizing oil pump pressurizes heat conduction oil from a heat conduction oil tank and enters a heat conduction oil sleeve, and after the pressure is reached, the pressurizing oil pump stops working; the air speed sensor monitors the air speed at one side of the air outlet surface of the filter screen of the air conditioner in real time, the collected air speed is transmitted to the controller, the controller acquires a real-time air quantity gear of the centrifugal fan, and the air speed collected by the air speed sensor is compared with the rated air speed of a corresponding air quantity gear in the centrifugal fan;
step 2.1, when the ratio of the wind speed acquired by the wind speed sensor and the rated wind speed of the corresponding wind quantity gear in the centrifugal fan calculated by the controller is greater than or equal to A, entering a normal working condition, enabling the conventional air conditioning module to work normally, filtering indoor return air through a filter screen under the action of the centrifugal fan, flushing fins of a snake-shaped heat exchanger of the indoor unit, and entering a room through an air outlet of the indoor unit of the air conditioner after heat exchange; according to different air volume gears of the air conditioner, the controller adjusts the telescopic amount of the multi-stage free telescopic rods through the variable-frequency servo motor to adjust the distance between the fins to reach a set value;
step 2.2, when the ratio of the wind speed acquired by the wind speed sensor and the rated wind speed of the corresponding wind quantity gear in the centrifugal fan is calculated by the controller to be smaller than A, entering an alarm state, switching on a relay by the controller, triggering a buzzer alarm to give an alarm, prompting a filter screen to clean ash, prompting an indoor heat exchanger to clean accumulated scale, and entering step 3;
step 3, "self-cleaning condition": firstly, opening an air conditioner panel, taking out a filter screen for cleaning, and sleeving a dust collection device on an air outlet of an air conditioner; then the controller adjusts the distance between the fins to be maximum; the controller controls the centrifugal fan to work at a maximum air quantity gear, indoor return air washes fins of the serpentine heat exchanger under the action of the centrifugal fan, and the indoor return air enters a room after being collected by a dust collecting device sleeved on an air outlet of the air conditioner through an air outlet of the indoor unit; and after the working time is up, the air conditioner is stopped, the filter screen is installed, and the dust collecting device is dismantled.
2. The control method of a household self-cleaning air conditioner with an early warning function as claimed in claim 1, characterized in that:
in step 2.1 and step 3, the fin spacing adjustment specifically comprises the following steps: the controller opens the oil guide valve, heat conduction oil in the heat conduction oil sleeve enters the oil guide oil tank through the bypass pipe under the action of gravity, the pipe diameter of the heat conduction oil sleeve contracts, the controller controls the variable frequency servo motor to run, the controller drives the free multi-stage telescopic rod to act, the distance between the fins is adjusted, and after the distance reaches a set value, the controller controls the pressurizing oil pump to restart, the heat conduction oil is pressurized from the heat conduction oil tank and enters the heat conduction oil sleeve, after pressure is reached, the pressurizing oil pump stops working, the pipe diameter of the heat conduction oil sleeve becomes large, and the fins are clamped on.
3. The control method of a household self-cleaning air conditioner with an early warning function as claimed in claim 1, characterized in that: and a limiting plate is further arranged inside the air conditioner indoor unit and is arranged at the front end of the multi-stage free telescopic rod.
4. The control method of a household self-cleaning air conditioner with an early warning function as claimed in claim 1, characterized in that: the heat conducting oil sleeve is made of soft metal.
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| CN109708340B (en) * | 2018-09-30 | 2021-01-05 | 合肥海尔电冰箱有限公司 | Evaporator using method |
| CN110500661B (en) * | 2019-07-17 | 2021-07-02 | 山东华宇工学院 | Color-changing air conditioner indoor unit with dust removal reminding function |
| CN112275042A (en) * | 2020-10-22 | 2021-01-29 | 珠海格力电器股份有限公司 | Filter equipment and air cleaning equipment |
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| SE538286C2 (en) * | 2012-09-11 | 2016-04-26 | Adaptum Ab | System for cleaning heat exchangers and method for cleaning heat exchangers |
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Effective date of registration: 20240527 Address after: Building 9, Warm Home, Wenhua Road, Chashan Street, Gongqing City, Jiujiang City, Jiangxi Province, 332000 Patentee after: Gongqing Chengzhong Huida Electronics Co.,Ltd. Country or region after: China Address before: Room 801, 85 Kefeng Road, Huangpu District, Guangzhou City, Guangdong Province Patentee before: Yami Technology (Guangzhou) Co.,Ltd. Country or region before: China |