CN103574831B - The control method of a kind of air cooled air conditioner heat exchanger of outdoor unit dedusting - Google Patents
The control method of a kind of air cooled air conditioner heat exchanger of outdoor unit dedusting Download PDFInfo
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- CN103574831B CN103574831B CN201210255825.9A CN201210255825A CN103574831B CN 103574831 B CN103574831 B CN 103574831B CN 201210255825 A CN201210255825 A CN 201210255825A CN 103574831 B CN103574831 B CN 103574831B
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Abstract
The control method of air cooled air conditioner heat exchanger of outdoor unit provided by the invention dedusting, after user stops using air-conditioner, the reversion under master control borad controls of the motor of air cooled air conditioner off-premises station and centrifugation blade runs, first with maximum inversion running speed V1 running time T 1, be switched to next shelves higher reversion running speed V2 running time T 2 again, by identical method of controlling, switch toward next grade of rotating speed that rotating speed is low successively, until on the minimum inversion running speed Vi of setting running time T i.After reaching total setting running time T when running, motor and the centrifugation blade of off-premises station are out of service.Technical scheme provided by the invention can remove the dust in air cooled air conditioner heat exchanger of outdoor unit preferably, improve the heat exchange property of heat exchanger, promote air-conditioner cooling or heating effect, do not affect again the service life of air-conditioner parts, more comfortable living condition can be created for user.
Description
Technical field
The invention belongs to technical field of refrigeration equipment, particularly relate to the control method of a kind of air cooled air conditioner heat exchanger of outdoor unit dedusting.
Background technology
Existing split type air cooled air conditioner heat exchanger of outdoor unit contacts with air always carries out heat exchange, owing to containing dust in air, after long time sedimentation, the fin of blocking heat-exchanger, reduce the operating efficiency of heat exchanger, also increase windage, affect the life-span of outdoor motor.The conventional method for heat exchanger dedusting is manually cleaned, but this complicated operation, difficulty, particularly when air-conditioner outdoor unit is arranged on skyscraper, difficulty and unsafe factor greatly can be caused.
The method of controlling of the dust arrester of existing a kind of heat exchanger of outdoor machine of air conditioner, this method of controlling just controls fan and runs dedusting with a constant speed reversion, there is following defect: because the fan blade on off-premises station designs by rotating forward, if run with high speed reverse rotation always, the life-span of off-premises station fan blade will certainly be shortened, destroy off-premises station fan blade; If send out transhipment row with low speed always, will affect the effect of dedusting, the process of whole dedusting also needs long period of time to realize.
Summary of the invention
The object of the present invention is to provide a kind of control method being easy to realization, the not air cooled air conditioner heat exchanger of outdoor unit dedusting of influential system part life, be intended to overcome influential system part life that existing heat exchanger dedusting control method has or the undesirable defect of dust removing effects, guarantee the heat exchange property of heat exchanger.
To achieve these goals, the technical solution adopted in the present invention is:
A control method for air cooled air conditioner heat exchanger of outdoor unit dedusting, controlled to carry out by the master control borad of the air-conditioner connected with the motor of described air-conditioner outdoor unit, described motor is equipped with centrifugation blade, described control method comprises the following steps:
Detect that user stops using air-conditioner;
The motor and the centrifugation blade that control described air-conditioner outdoor unit run with the rotating speed reduced successively reversion in preset gear;
Reach default operation total time when the time that motor and the centrifugation blade reversion of described air-conditioner outdoor unit run, the motor and the centrifugation blade that control described air-conditioner outdoor unit are out of service.According to the present invention, after user stops using air-conditioner, the motor of air cooled air conditioner off-premises station and centrifugation blade are under master control borad controls, preset gear is run with the rotating speed reduced successively reversion, first with maximum inversion running speed V1 running time T 1, then be switched to next shelves higher reversion running speed V2 running time T 2, by identical method of controlling, switch toward next grade of rotating speed that rotating speed is low successively, until on the minimum inversion running speed Vi of setting running time T i.After reaching total setting running time T when running, motor and the centrifugation blade of air-conditioner outdoor unit are out of service, and air-conditioner is formally closed.Technical scheme provided by the invention can remove the dust in air cooled air conditioner heat exchanger of outdoor unit preferably, improve the heat exchange property of heat exchanger, promote air-conditioner cooling or heating effect, do not affect again the service life of air-conditioner parts, more comfortable living condition can be created for user.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of the control method of the air cooled air conditioner heat exchanger of outdoor unit dedusting that the embodiment of the present invention provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The control method of air cooled air conditioner heat exchanger of outdoor unit provided by the invention dedusting, the motor of air-conditioner outdoor unit connects with the master control borad of air-conditioner, motor is equipped with centrifugation blade, after user stops using air-conditioner, control the motor of off-premises station and centrifugation blade by the master control borad of air-conditioner to reverse and operate to heat exchanger of outdoor unit dedusting, concrete steps are: when the master control borad of air-conditioner detects that user stops using air-conditioner, the motor and the centrifugation blade that control off-premises station run with the rotating speed reduced successively reversion in preset gear, carry out dedusting; When the time that motor and the centrifugation blade reversion of off-premises station run reaches default operation total time, motor and the centrifugation blade of off-premises station are out of service, and air-conditioner is just formally closed.
Fig. 1 shows the realization flow of the control method of the air cooled air conditioner heat exchanger of outdoor unit dedusting that the embodiment of the present invention provides, and for convenience of explanation, illustrate only part related to the present embodiment, as shown in the figure:
In step sl, detect that user stops using air-conditioner.
In embodiments of the present invention, this step is steps necessary of the present invention.Because the inventive method is for the heat exchanger of air cooled air conditioner off-premises station carries out dedusting control, therefore in the normal use procedure of air-conditioner, this dedusting control method cannot be implemented.
In step s 2, the motor and the centrifugation blade that control described air-conditioner outdoor unit run with the rotating speed reduced successively reversion in preset gear.
In embodiments of the present invention, this step is steps necessary of the present invention.To be control fan in the middle of heat exchanger dedusting technology run with a constant speed reversion compared to existing, invention has been sizable improvement.In specific implementation process, the motor of air cooled air conditioner off-premises station and centrifugation blade run with the rotating speed reduced successively reversion under the control of master control borad in preset gear, first with maximum inversion running speed V1 running time T 1, be switched to next shelves higher reversion running speed V2 running time T 2 again, by identical method of controlling, switch toward next grade of rotating speed that rotating speed is low successively, until on the minimum inversion running speed Vi of setting running time T i.Reduced successively from rotating speed, the speed V1>V2> that outdoor fan reversion runs ... >Vi-1>Vi.
As a preferred embodiment of the present invention, the maximum speed V1 that the motor of air-conditioner outdoor unit and centrifugation blade reversion run is less than or equals its maximum speed rotated forward, and the gear number i of rotating speed is less than or equals the motor of air-conditioner outdoor unit and centrifugation blade rotates forward attainable rotating speed gear number, and i is less than or equals 100.
In step s3, reach default operation total time when the motor of described air-conditioner outdoor unit and the time of centrifugation blade reversion operation, the motor and the centrifugation blade that control described air-conditioner outdoor unit are out of service.
In embodiments of the present invention, this step is equally also steps necessary of the present invention.When the time that motor and the centrifugation blade reversion of off-premises station run reaches default operation total time T, motor and the centrifugation blade of master control borad control off-premises station are out of service.When the motor of off-premises station and centrifugation blade are on the minimum inversion running speed Vi set during running time T i, after reaching default operation total time T running time, namely during T1+T2+-------+Ti-1+Ti=T, motor and the centrifugation blade of off-premises station are out of service.
As a preferred embodiment of the present invention, in order to not make the motor of off-premises station and centrifugation blade buty shifting, deceleration and affect himself service life, wherein reversion time T1, T2 of running total time T and running on each gear rotating speed ... Ti is greater than or equals 6 seconds.
In specific implementation process, the motor of off-premises station and corresponding running time T 1, the T2 of every grade of rotating speed Vi of centrifugation blade ... Ti can be equal, also can be unequal, but be all greater than or equal 6 seconds.Through multiple authentication, air cooled air conditioner off-premises station utilizes this dedusting method of controlling, under normal circumstances, only needs the total time T of outdoor fan reversion operation within 600 seconds, just the dust on heat exchanger can both be removed clean.
The implementation procedure of the control method of air cooled air conditioner heat exchanger of outdoor unit provided by the invention dedusting is briefly explained below with two specific embodiments.
Example one:
The motor of off-premises station of false wind cooling air conditioner heat exchanger of outdoor unit dedusting master control borad setting and the gear number of centrifugation blade reversion running speed are 4 grades, every grade of reversion running speed specifically in Table (1), and the running time of every grade of reverse be all 60 seconds.
Table (1): outdoor fan reversion runs each shelves revolution counter
| Reversion operational taps | V 1 | V 2 | V 3 | V 4 |
| Reversion running speed (RPM, revolutions per minute) | 850 | 700 | 550 | 400 |
| Corresponding running time (second) | 60 | 60 | 60 | 60 |
When user stops using air-conditioner, master control borad detects this signal, the motor of air cooled air conditioner off-premises station and centrifugation blade are under the control of master control borad, first at full throttle V1 is 850RPM reversion operation 60 seconds, being switched to fair speed V2 is again that 700RPM reverses operation 60 seconds, and continuing again to be switched to third gear speed V3 is that 550RPM reverses operation 60 seconds, finally with minimum speed V4 for 400RPM reverses operation 60 seconds, now, outdoor fan is just out of service.So far, the dust removal process of air cooled air conditioner heat exchanger of outdoor unit terminates.
Example two:
The motor of the off-premises station of false wind cooling air conditioner heat exchanger of outdoor unit dedusting master control borad setting and the gear number of centrifugation blade reversion running speed are 3 grades, every grade of reversion running speed is specifically in Table (2), difference running time that each grade of reverse is corresponding, is respectively 120 seconds, 90 seconds and 60 seconds.
Table (2): outdoor motor each shelves reversion running speed table
| Reversion operational taps | V 1 | V 2 | V 3 |
| Reversion running speed (RPM, revolutions per minute) | 800 | 700 | 600 |
| Corresponding running time (second) | 120 | 90 | 60 |
When user stops using air-conditioner, master control borad detects this signal, the motor of air cooled air conditioner off-premises station and centrifugation blade are under the control of master control borad, first at full throttle V1 is 800RPM reversion operation 120 seconds, being switched to fair speed V2 is again 700RPM reversion operation 90 seconds, finally with minimum speed V3 for 600RPM reverses operation 60 seconds, now, outdoor fan is just out of service.So far, the dust removal process of air cooled air conditioner heat exchanger of outdoor unit terminates.
Can draw from above-described embodiment, in the control method of air cooled air conditioner heat exchanger of outdoor unit provided by the invention dedusting, the motor of described off-premises station and the reversion running speed gear number i of centrifugation blade can adjust by actual demand, as 2 grades, 5 grades, 7 grades etc., the running time T i that reverse on each gear is corresponding is also variable, does not repeat them here.
The control method of air cooled air conditioner heat exchanger of outdoor unit provided by the invention dedusting, after user stops using air-conditioner, the reversion under master control borad controls of the motor of air cooled air conditioner off-premises station and centrifugation blade runs, first with maximum inversion running speed V1 running time T 1, be switched to next shelves higher reversion running speed V2 running time T 2 again, by identical method of controlling, switch toward next grade of rotating speed that rotating speed is low successively, until on the minimum inversion running speed Vi of setting running time T i.After reaching total setting running time T when running, motor and the centrifugation blade of off-premises station are out of service, and the dust removal process of air cooled air conditioner heat exchanger of outdoor unit terminates.Technical scheme provided by the invention can remove the dust in air cooled air conditioner heat exchanger of outdoor unit preferably, improve the heat exchange property of heat exchanger, promote air-conditioner cooling or heating effect, do not affect again the service life of air-conditioner parts, more comfortable living condition can be created for user.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, although with reference to previous embodiment to invention has been comparatively detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments or carry out equivalent replacement to wherein portion of techniques feature.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the control method of air cooled air conditioner heat exchanger of outdoor unit dedusting, controlled to carry out by the master control borad of the air-conditioner connected with the motor of described air-conditioner outdoor unit, described motor is equipped with centrifugation blade, it is characterized in that, described control method comprises the following steps:
Detect that user stops using air-conditioner;
The motor and the centrifugation blade that control described air-conditioner outdoor unit run with the rotating speed reduced successively reversion in preset gear;
Reach default operation total time when the time that motor and the centrifugation blade reversion of described air-conditioner outdoor unit run, the motor and the centrifugation blade that control described air-conditioner outdoor unit are out of service.
2. the control method of air cooled air conditioner heat exchanger of outdoor unit dedusting as claimed in claim 1, it is characterized in that, rotating speed in the motor of described air-conditioner outdoor unit and the preset gear of centrifugation blade is all less than or equal to the maximum speed that the motor of described air-conditioner outdoor unit and centrifugation blade rotate forward, and switches to the slow-speed of revolution successively from high rotating speed.
3. the control method of air cooled air conditioner heat exchanger of outdoor unit dedusting as claimed in claim 1, it is characterized in that, the motor of described air-conditioner outdoor unit and the number of centrifugation blade preset gear are less than or equal to the motor of described air-conditioner outdoor unit and centrifugation blade rotates forward attainable rotating speed gear number, and the number of described gear is within 100.
4. the control method of the air cooled air conditioner heat exchanger of outdoor unit dedusting as described in any one of claim 1-3, is characterized in that, the motor of described air-conditioner outdoor unit is equal for the running time on each gear rotating speed with centrifugation blade, and is not less than 6 seconds.
5. the control method of the air cooled air conditioner heat exchanger of outdoor unit dedusting as described in any one of claim 1-3, it is characterized in that, the motor of described air-conditioner outdoor unit is not exclusively equal for the running time on each gear rotating speed with centrifugation blade, and is all not less than 6 seconds.
6. the control method of the air cooled air conditioner heat exchanger of outdoor unit dedusting as described in any one of claim 1-3, is characterized in that, described default operation total time is less than or equal to 600 seconds.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210255825.9A CN103574831B (en) | 2012-07-23 | 2012-07-23 | The control method of a kind of air cooled air conditioner heat exchanger of outdoor unit dedusting |
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| CN201210255825.9A CN103574831B (en) | 2012-07-23 | 2012-07-23 | The control method of a kind of air cooled air conditioner heat exchanger of outdoor unit dedusting |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105371415B (en) * | 2014-08-21 | 2018-02-06 | 广东美的制冷设备有限公司 | Air-conditioner outdoor unit and its dirty blocking control method |
| CN104374044A (en) * | 2014-10-22 | 2015-02-25 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN107013980A (en) * | 2017-04-18 | 2017-08-04 | 珠海格力电器股份有限公司 | Air-conditioning internal machine, air-conditioning and the control method of idle call |
| CN106871390B (en) * | 2017-04-24 | 2020-04-07 | 广东美的暖通设备有限公司 | Dust removal control method, dust removal control device and air conditioner |
| CN112696799A (en) * | 2020-12-18 | 2021-04-23 | 宁波奥克斯电气股份有限公司 | Cleaning control method and device for air conditioner outdoor unit and air conditioner |
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| CN1166588A (en) * | 1996-05-29 | 1997-12-03 | 新典自动化股份有限公司 | Cleaning method of outdoor heat exchanger of air conditioner |
| CN101236000A (en) * | 2007-01-31 | 2008-08-06 | 三星电子株式会社 | Air conditioner outdoor machine heat exchanger dedusting device and its method |
| CN102345906A (en) * | 2010-08-03 | 2012-02-08 | 苏州三星电子有限公司 | Condenser self-cleaning air conditioner |
| JP2012052679A (en) * | 2010-08-31 | 2012-03-15 | Panasonic Corp | Outdoor unit of air conditioner |
| CN102444939A (en) * | 2010-10-08 | 2012-05-09 | 李韶阳 | Automatic dedusting air conditioner outdoor unit |
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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1166588A (en) * | 1996-05-29 | 1997-12-03 | 新典自动化股份有限公司 | Cleaning method of outdoor heat exchanger of air conditioner |
| CN101236000A (en) * | 2007-01-31 | 2008-08-06 | 三星电子株式会社 | Air conditioner outdoor machine heat exchanger dedusting device and its method |
| CN102345906A (en) * | 2010-08-03 | 2012-02-08 | 苏州三星电子有限公司 | Condenser self-cleaning air conditioner |
| JP2012052679A (en) * | 2010-08-31 | 2012-03-15 | Panasonic Corp | Outdoor unit of air conditioner |
| CN102444939A (en) * | 2010-10-08 | 2012-05-09 | 李韶阳 | Automatic dedusting air conditioner outdoor unit |
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