CN101236000A - Air conditioner outdoor machine heat exchanger dedusting device and its method - Google Patents
Air conditioner outdoor machine heat exchanger dedusting device and its method Download PDFInfo
- Publication number
- CN101236000A CN101236000A CNA2007101535051A CN200710153505A CN101236000A CN 101236000 A CN101236000 A CN 101236000A CN A2007101535051 A CNA2007101535051 A CN A2007101535051A CN 200710153505 A CN200710153505 A CN 200710153505A CN 101236000 A CN101236000 A CN 101236000A
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- Prior art keywords
- heat exchanger
- air
- outdoor unit
- conditioner outdoor
- fan electromotor
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/029—Control issues
- F25B2313/0294—Control issues related to the outdoor fan, e.g. controlling speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/111—Fan speed control of condenser fans
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to a heat exchanger dust removing device of an air-conditioner external machine for removing the dusts piled on the heat exchanger of the air-conditioner external machine and the method thereof, the purpose is that: when the air-conditioner external machine starts/closes and operation time of an external machine fan electric engine excesses the target setting time, the external machine fan electric engine is reversely rotated to remove the dusts piled on the heat exchanger. As a result, the method provided by the invention for removing the dusts of the heat exchanger of the air-conditioner external machine of the fan electric engine which includes the heat exchanger and is used for supply the air for heat exchanger of the heat exchanger, comprises the steps of: judging the starting or closing of the air-conditioner external machine; reversely rotating the fan electric engine to remove the dusts piled on the heat exchanger when the air-conditioner external machine starts or closes.
Description
Technical field
The present invention relates to a kind of air-conditioner outdoor unit, relate in particular to the heat exchanger dedusting device and the method thereof of the air-conditioner outdoor unit that is used to remove the dust on the heat exchanger that is deposited in air-conditioner outdoor unit.
Background technology
Usually, air-conditioning is with indoor refrigeration or heats is the device that purpose is used, it is applied in the common kind of refrigeration cycle of circulating refrigerant between indoor set and the off-premises station, absorbs the characteristic that discharges its heat on every side when heat liquefies when gasifying according to liquid refrigerant and freezes or heating operation.For the absorption that promotes heat be released in off-premises station and indoor set is provided with fan respectively, and use fan electromotor for the air quantity of regulating fan.
At this, the fan electromotor that is arranged on off-premises station promotes heat release when refrigerating operaton, when heating operation, promote heat absorption and help the heat exchange action, owing to the extraneous air forced air supply is sucked air to off-premises station inner heat exchanger one side, the dust accretions (between fin) on the surface of heat exchanger that therefore causes in the air being contained.Especially can pile up a lot of dusts on the heat exchanger of the more area of dust (for example, Middle East that the desert is more or industrial area etc.), long meeting of time one hinders the air that is used for heat exchange to flow and reduces heat exchanger effectiveness and increase power consumption.Consider these problems, be directly with the naked eye to confirm to wash after the pollutional condition of heat exchanger by the air-conditioning user in the past, perhaps service technician periodically visits and use air cleaner or pressure-air to remove the dust that is deposited on the heat exchanger, and is therefore comparatively loaded down with trivial details.
Summary of the invention
The present invention is devoted to address the above problem, it is a kind of when starting of air conditioner/when stopping that its purpose is to provide, with the fan electromotor reverse rotation certain hour of off-premises station, thereby removing is deposited in the heat exchanger dedusting device and the method thereof of the air-conditioner outdoor unit of the dust on the off-premises station heat exchanger.
Another object of the present invention is to provide a kind of working time that can add up the outdoor machine fan motor, and in heat exchanger dedusting device and the method thereof of during the time outdoor machine fan motor reverse rotation certain hour being removed the air-conditioner outdoor unit that is deposited in the dust on the off-premises station heat exchanger through goal-setting.
Another purpose of the present invention is to provide a kind of makes motor move with maximum revolution when the reverse rotation of outdoor machine fan motor, thereby farthest improves the heat exchanger dedusting device and the method thereof of the air-conditioner outdoor unit of efficiency of dust collection.
To achieve these goals, the heat exchanger dust collection method of the air-conditioner outdoor unit of the fan electromotor that has heat exchanger and be used to for the heat exchange of described heat exchanger to blow provided by the present invention is characterized in that described method comprises step: judge starting or stoping of described air-conditioner outdoor unit; When described air-conditioner outdoor unit starts or stops, make described fan electromotor reverse rotation and remove the dust that is deposited on the described heat exchanger.
And, it is characterized in that removing the step that is deposited in the dust on the described heat exchanger is when described air-conditioner outdoor unit starts or stops, make the predetermined very first time of described fan electromotor reverse rotation and air is blowed to described heat exchanger one side, thereby remove the dust that is deposited on the described heat exchanger.
And, the invention is characterized in when described fan electromotor reverse rotation, motor is moved with maximum revolution, and the described very first time is in one minute.
In addition, the heat exchanger dust collection method of the air-conditioner outdoor unit of the fan electromotor that has heat exchanger and be used to for the heat exchange of described heat exchanger to blow provided by the present invention is characterized in that described method comprises step: the running time of the described air-conditioner outdoor unit of accumulative total; When air-conditioner outdoor unit running time of accumulative total through predetermined goal-setting during the time, the described fan electromotor of reverse rotation and remove the dust that is deposited on the described heat exchanger.
And the step that it is characterized in that the running time of the described air-conditioner outdoor unit of accumulative total is when the operation of described air-conditioner outdoor unit, and accumulative total is used for the time that is rotated in the forward of the described fan electromotor of heat exchange.
And, it is characterized in that removing the step that is deposited in the dust on the described heat exchanger is to pass through goal-setting during the time when the running time of described air-conditioner outdoor unit, make the second predetermined time of described fan electromotor reverse rotation and air is blowed to described heat exchanger one side, thereby remove the dust that is deposited on the described heat exchanger.
And the described goal-setting time is about 500 hours, and described second time is about 5 minutes.
And the air-conditioner outdoor unit of the fan electromotor that has heat exchanger and be used to for the heat exchange of described heat exchanger to blow provided by the present invention is characterized in that comprising: input part, to be used for order input operation or stop signal according to the user; And control part, being used for when the operation of described indoor apparatus of air conditioner or when stopping, being deposited in the dust on the described heat exchanger and controlling described fan electromotor reverse rotation in order to remove.
And, described control part is characterised in that the running time of the described air-conditioner outdoor unit of accumulative total, and when running time of the air-conditioner outdoor unit of accumulative total through predetermined goal-setting during the time, to be deposited in the dust on the described heat exchanger and to control described fan electromotor reverse rotation in order to remove.
Description of drawings
Fig. 1 is a sectional view of using air-conditioner outdoor unit of the present invention;
Fig. 2 is the fan electromotor control structure figure according to air-conditioner outdoor unit provided by the present invention;
Fig. 3 is the flow chart of the heat exchanger dust collection method of the air-conditioner outdoor unit that provides according to first embodiment of the invention;
Fig. 4 is the flow chart of the heat exchanger dust collection method of the air-conditioner outdoor unit that provides according to second embodiment of the invention.
Main symbol description:
The 10-off-premises station, 12-compressor, 24-heat exchanger, 26-fan, 28-fan electromotor, 40-control part, 42-driver IC, 44-power IC, 46-rotating signal test section, 48-input part
The specific embodiment
Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is a sectional view of using air-conditioner outdoor unit of the present invention.
In Fig. 1, the inside of air-conditioner outdoor unit 10 is divided into Machine Room 14 that compressor 12 is set and the heat-exchanging chamber 16 that carries out heat exchange by air circulation by dividing plate 18, and the back of off-premises station 10 and side are formed for extraneous air is drawn into the suction inlet 20 of heat-exchanging chamber 16 inside, and the front of off-premises station 10 is formed for discharging the outlet 22 through the air of heat-exchanging chamber 16.
Described heat-exchanging chamber 16 inside are provided with: the heat exchanger 24 adjacent with the suction inlet 20 of back and side; Being used for will be through the blow fan 26 of outlet 22 of the force air of over-heat-exchanger 24; Be used for rotating forward or backwards the fan electromotor 28 of this fan 26.This structure can realize: when fan electromotor 28 is rotated in the forward (normal rotation), undertaken discharging by outlet 22 after the heat exchange by heat exchanger 24 by the back of off-premises station 10 and suction inlet 20 leaked-in airs of side; When fan electromotor 28 reverse rotations, wind heat exchanger 24 is removed the dust that is deposited on the heat exchanger 24.
Fig. 2 is the fan electromotor control structure figure of the air-conditioner outdoor unit that provides according to the embodiment of the invention, and comprising: control part 40 is used to control whole operations of air-conditioner outdoor unit 10; Drive integrated circult 42, control signal according to control part 40 outputs to power IC 44 with speed control signal and direction of rotation control signal, this power IC 44 for the speed of controlling fan electromotor 28 and direction of rotation and successively with power connection to fan electromotor 28; Power IC 44 is made up of switch and is switched on successively or disconnects, to be used to that fan electromotor 28 is rotated in the forward or reverse rotation according to the speed control signal and the direction of rotation control signal of this drive integrated circult 42; Rotating signal test section 46, FG (Frequency Generator Pulse, frequency the produces pulse) rotating signal of the impulse form that produces when being used to detect these fan electromotor 28 rotations; And input part 48, be used to import the operation or the stop signal of air-conditioning.
The direction of rotation of described control part 40 control fan electromotors 28, when starting of air conditioner/when stopping, the control fan electromotor predetermined very first time (about one minute) of 28 reverse rotations, thus remove the dust that before and after the startup of air-conditioner outdoor unit 10, is deposited on the heat exchanger 24; And, when air-conditioner outdoor unit 10 operations, accumulative total fan electromotor 28 be rotated in the forward the working time (uptime), be rotated in the forward the working time during when accumulative total through predetermined goal-setting time (about 500 hours), control fan electromotor predetermined second time (about 5 minutes) of 28 reverse rotations, thus remove the dust that is deposited on off-premises station 10 heat exchangers 24.
And, the rotary speed of described control part 40 control fan electromotors 28, when fan electromotor 28 is deposited in dust reverse rotation on the heat exchanger 24 for removing, make fan electromotor 28 with maximum revolution operation, thereby the air quantity that farthest reduces to cause because of fan 26 reverse rotations reduce and improve efficiency of dust collection.
And, described control part 40 outputs to the rotary speed that drive integrated circult 42 is controlled fan electromotor 28 with specified control voltage of signals level, and this voltage level is to be used for the speed control of fan electromotor 28 and the voltage level that is directly proportional with the revolution that is applied to fan electromotor 28.
Described drive integrated circult 42 is switched on or switched off power IC 44 so that corresponding power supply is sent to fan electromotor 28, thereby change the rotary speed of fan electromotor 28, but also use can change the function of the direction of rotation of fan electromotor 28, thereby by being switched on or switched off the direction of rotation that power IC 44 changes fan electromotor 28.
Described rotating signal test section 46 is used to detect the rotary speed and the direction of rotation of fan electromotor 28, it detects the position of rotor by the Hall element (hall sensor) that is used to detect fan electromotor 28 rotor-positions, and passes through the rotary speed and the direction of rotation of these fan electromotor 28 rotor position information detection rotors.
In addition, in order to change rotary speed and to improve rotation efficiency, described fan electromotor 28 uses brshless DC motor (BLDC motor).
Below, the heat exchanger dedusting device of the air-conditioner outdoor unit with said structure and the running and the action effect of method thereof are described.
Fig. 3 is the flow chart of the heat exchanger dust collection method of the air-conditioner outdoor unit that provides according to first embodiment of the invention, is that the center is described in conjunction with Fig. 3 with air-conditioner outdoor unit 10.
At first, when the user imports the starting of air conditioner signal by input part (S100), before starting air-conditioner outdoor unit 10, control part 40 is for removing the dust that is deposited on the heat exchanger 24, and the direction of rotation control signal that will be used for counter-rotatable fans motor 28 outputs to drive integrated circult 42 (S102).
Thereby described drive integrated circult 42 is according to the reverse rotation unblanking or the powered-down integrated circuit 44 of control part 40, thereby makes fan electromotor 28 reverse rotations (S104).At this moment, when fan 26 and during reverse rotation according to the reverse rotation of fan electromotor 28, air quantity during the very big and reverse rotation of the air quantity when being rotated in the forward under the situation of propeller formula (propeller) fan is very little, therefore control part 40 farthest blows to heat exchanger 24 1 sides with maximum revolution operation fan electromotor 28 with air, thereby effectively removes the dust that is deposited on the heat exchanger 24.
When the judged result of described S106 for through the very first time time, control part 40 will be used to be rotated in the forward fan electromotor 28 in order to start air-conditioner outdoor unit 10 direction of rotation control signal outputs to drive integrated circult 42 (S108), drive integrated circult 42 is switched on or switched off power IC 44 according to the signal that is rotated in the forward of control part 40, thereby makes fan electromotor 28 be rotated in the forward (S110).
Simultaneously, control part 40 operation compressors 12 (S112), thereby when fan 26 according to fan electromotor 28 be rotated in the forward action when being rotated in the forward, suction inlet 20 leaked-in airs by off-premises station 10 back and side are discharged by outlet 22 through heat exchanger 24 carries out heat exchange after.
When according to being rotated in the forward action air-conditioner outdoor unit 10 started of described fan electromotor 28, can gradually be deposited in heat exchanger 24 on because of the mobile dust of air at air-conditioner outdoor unit between 10 starting periods, if the user is by input part 48 input air-conditioning stop signals (S114) between 10 starting periods at this air-conditioner outdoor unit, then control part 40 stops compressor 12 and fan electromotor 28 (S116).
Subsequently, after confirming that compressor 12 and fan electromotor 28 stop, control part 40 is deposited in dust on the heat exchanger 24 in order to remove at air-conditioner outdoor unit between 10 starting periods, the direction of rotation control signal that will be used for counter-rotatable fans motor 28 outputs to drive integrated circult 42 (S118).
Described drive integrated circult 42 is switched on or switched off power IC 44 according to the reverse rotation signal of control part 40, thereby makes fan electromotor 28 reverse rotations (S120).At this moment, before control part 40 also starts as air-conditioner outdoor unit 10, make fan electromotor 28 with maximum revolution operation and farthest with wind heat exchanger 24 1 sides, be deposited in dust on the heat exchanger 24 between 10 starting periods thereby can effectively remove at air-conditioner outdoor unit.
More than described before and after air-conditioner outdoor unit 10 starts and removed the method that is deposited in the dust on the heat exchanger 24, removed the method that is deposited in the dust on the heat exchanger 24 in the time of will being described in air-conditioner outdoor unit 10 operations below.
Fig. 4 is the flow chart of the heat exchanger dust collection method of the air-conditioner outdoor unit that provides according to second embodiment of the invention.
At first, as user during by input part 48 input operation of air conditioner signals (S200), control part 40 outputs to drive integrated circult 42 (S202) for the direction of rotation control signal that operation air-conditioner outdoor unit 10 will be used to be rotated in the forward fan electromotor 28.
Thereby described drive integrated circult 42 is switched on or switched off power IC 44 according to the signal that is rotated in the forward of control part 40, makes fan electromotor 28 be rotated in the forward (S204), simultaneously control part 40 operation compressors 12 (S206).When fan 26 during according to being rotated in the forward of fan electromotor 28, suction inlet 20 leaked-in airs by off-premises station 10 back and side after heat exchanger 24 carries out heat exchange by outlet 22 dischargings.
When air-conditioner outdoor unit 10 is rotated in the forward action when moving according to this fan electromotor 28, be in operation because flowing of air and on heat exchanger 24, pile up dust gradually, therefore control part 40 is in order to remove at air-conditioner outdoor unit 10 dusts that are deposited on the heat exchanger 24 in service, accumulative total fan electromotor 28 be rotated in the forward the working time (uptime), thereby judge accumulative total be rotated in the forward the working time whether through the predetermined goal-setting time (because being rotated in the forward of fan electromotor piled up dust and hindered the mobile running time of air that is used for heat exchange, about 500 hours on heat exchanger) (S208).
When the judged result of described S208 is passed through goal-setting during the time for the working time that is rotated in the forward when fan electromotor 28, control part 40 is for removing the dust that is deposited on the heat exchanger 24 in service at air-conditioner outdoor unit 10, and the direction of rotation control signal that will be used for counter-rotatable fans motor 28 outputs to drive integrated circult 42.(S210)
Thereby described drive integrated circult 42 is switched on or switched off power IC 44 according to the reverse rotation signal of control part 40, thereby makes fan electromotor 28 reverse rotations (S212).At this moment, control part 40 makes fan electromotor 28 with the maximum revolution operation air farthest be blowed to heat exchanger 24 1 sides, thereby can effectively remove the dust that is deposited on the heat exchanger 24.
The reverse rotation working time that control part 40 calculates this fan electromotor 28 judges whether the second predetermined time of process (appropriate time that is deposited in the dust on the heat exchanger, about 5 minutes are removed in the reverse rotation by fan electromotor) (S214).
When the judged result of described S214 is during through second time, control part 40 judges and removed the dust that is deposited on the heat exchanger 24, and the direction of rotation control signal that will be used to be rotated in the forward fan electromotor 28 for the normal operation of air-conditioner outdoor unit 10 outputs to drive integrated circult 42 (S216).
Thereby described drive integrated circult 42 is switched on or switched off power IC 44 according to the signal that is rotated in the forward of control part 40, thereby makes fan electromotor 28 be rotated in the forward (S218).
At this moment, automatically judge whether pile up dust on heat exchanger 24 in order to utilize being rotated in the forward action of fan electromotor 28 from now on, control part 40 is initialized as 0 and restart to calculate (S220) with the working time that is rotated in the forward of fan electromotor 28.
Be rotated in the forward action when moving at air-conditioner outdoor unit 10 according to described fan electromotor 28, judge whether the free stop signal input (S222) of mediating, when not importing the air-conditioning stop signal, return described S208, whether judgement passes through the goal-setting time according to the uptime of the air-conditioner outdoor unit that is rotated in the forward action 10 of fan electromotor 28, and carries out operation subsequently.
The judged result of described S222 is when input air-conditioning stop signal, and control part 40 stops compressor 12 and fan electromotor 28 (S224) and stops operation.
As mentioned above, according to heat exchanger dedusting device and the side thereof of air-conditioner outdoor unit provided by the present invention Method has following effect: when operation of air conditioner/when stopping, making outdoor machine fan motor reverse rotation certain hour And remove dust on the heat exchanger be deposited in off-premises station, and calculate the forward of off-premises station fan electromotor The rotary work time is when during the time, making outdoor machine fan motor reverse rotation one regularly through goal-setting Between remove dust on the heat exchanger that is deposited in off-premises station.
And the present invention has following effect: when the outdoor machine fan motor counter-rotates, make motor with The maximum revolution operation, thus efficiency of dust collection farthest improved.
Claims (12)
1, a kind of heat exchanger dust collection method of air-conditioner outdoor unit of the fan electromotor that has heat exchanger and be used to for the heat exchange of described heat exchanger to blow is characterized in that comprising step:
Judge starting or stoping of described air-conditioner outdoor unit;
When described air-conditioner outdoor unit starts or stops, make described fan electromotor reverse rotation and remove the dust that is deposited on the described heat exchanger.
2, the heat exchanger dust collection method of air-conditioner outdoor unit as claimed in claim 1, it is characterized in that removing the step that is deposited in the dust on the described heat exchanger is when described air-conditioner outdoor unit starts or stops, make the predetermined very first time of described fan electromotor reverse rotation and air is blowed to described heat exchanger one side, thereby remove the dust that is deposited on the described heat exchanger.
3, the heat exchanger dust collection method of air-conditioner outdoor unit as claimed in claim 2 is characterized in that when described fan electromotor reverse rotation motor being moved with maximum revolution.
4, the heat exchanger dust collection method of air-conditioner outdoor unit as claimed in claim 2 is characterized in that the described very first time is in one minute.
5, a kind of heat exchanger dust collection method of air-conditioner outdoor unit of the fan electromotor that has heat exchanger and be used to for the heat exchange of described heat exchanger to blow is characterized in that comprising step:
The running time of the described air-conditioner outdoor unit of accumulative total;
When running time of the air-conditioner outdoor unit of accumulative total through predetermined goal-setting during the time, make described fan electromotor reverse rotation and remove the dust that is deposited on the described heat exchanger.
6, the heat exchanger dust collection method of air-conditioner outdoor unit as claimed in claim 5, the step that it is characterized in that the running time of the described air-conditioner outdoor unit of accumulative total is when described air-conditioner outdoor unit moves, and accumulative total is used for the time that is rotated in the forward of the described fan electromotor of heat exchange.
7, the heat exchanger dust collection method of air-conditioner outdoor unit as claimed in claim 5, it is characterized in that removing the step that is deposited in the dust on the described heat exchanger is to pass through goal-setting during the time when the running time of described air-conditioner outdoor unit, make the second predetermined time of described fan electromotor reverse rotation and air is blowed to heat exchanger one side, thereby remove the dust that is deposited on the described heat exchanger.
8, the heat exchanger dust collection method of air-conditioner outdoor unit as claimed in claim 7 is characterized in that when described fan electromotor reverse rotation motor being moved with maximum revolution.
9, the heat exchanger dust collection method of air-conditioner outdoor unit as claimed in claim 7 is characterized in that the described goal-setting time is about 500 hours.
10, the heat exchanger dust collection method of air-conditioner outdoor unit as claimed in claim 7 is characterized in that described second time is about 5 minutes.
11, a kind of heat exchanger dedusting device of air-conditioner outdoor unit of the fan electromotor that has heat exchanger and be used to for the heat exchange of described heat exchanger to blow is characterized in that comprising:
Input part is to be used for importing according to user's instruction the operation or the stop signal of described air-conditioner outdoor unit;
Control part being used for when the operation of described air-conditioner outdoor unit or when stopping, being deposited in the dust on the described heat exchanger and controlling described fan electromotor reverse rotation in order to remove.
12, the heat exchanger dedusting device of air-conditioner outdoor unit as claimed in claim 11, the running time that it is characterized in that the described air-conditioner outdoor unit of described control part accumulative total, when running time of the air-conditioner outdoor unit of accumulative total through predetermined goal-setting during the time, to be deposited in the dust on the described heat exchanger and to control described fan electromotor reverse rotation in order to remove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020070009964 | 2007-01-31 | ||
| KR1020070009964A KR20080071720A (en) | 2007-01-31 | 2007-01-31 | Apparatus for removing dust of a heat exchanger in air conditioner and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101236000A true CN101236000A (en) | 2008-08-06 |
Family
ID=39751112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101535051A Pending CN101236000A (en) | 2007-01-31 | 2007-09-20 | Air conditioner outdoor machine heat exchanger dedusting device and its method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2008190851A (en) |
| KR (1) | KR20080071720A (en) |
| CN (1) | CN101236000A (en) |
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| CN111637581A (en) * | 2020-04-29 | 2020-09-08 | 宁波奥克斯电气股份有限公司 | Control method for air conditioner dust removal, outdoor unit and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04371768A (en) * | 1991-06-21 | 1992-12-24 | Daikin Ind Ltd | Refrigerating device for marine container |
| JPH11201691A (en) * | 1998-01-07 | 1999-07-30 | Daikin Ind Ltd | Refrigerator with outdoor machine |
-
2007
- 2007-01-31 KR KR1020070009964A patent/KR20080071720A/en not_active Application Discontinuation
- 2007-09-20 CN CNA2007101535051A patent/CN101236000A/en active Pending
- 2007-09-20 JP JP2007244237A patent/JP2008190851A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2008190851A (en) | 2008-08-21 |
| KR20080071720A (en) | 2008-08-05 |
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