CN107965881A - A kind of connected machine outdoor unit automatic dust removing control method - Google Patents
A kind of connected machine outdoor unit automatic dust removing control method Download PDFInfo
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- CN107965881A CN107965881A CN201711193014.XA CN201711193014A CN107965881A CN 107965881 A CN107965881 A CN 107965881A CN 201711193014 A CN201711193014 A CN 201711193014A CN 107965881 A CN107965881 A CN 107965881A
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- wind turbine
- electric current
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Abstract
The present invention relates to a kind of connected machine outdoor unit automatic dust removing control method, comprise the following steps：1）When detecting the operating of outdoor unit wind turbine, the change of its rotating speed Fr and electric current Fi, and wind turbine accumulated running time Ft；2）When meeting any of following three kinds of conditions, 4 are entered step）, outdoor fan start put into dedusting operating：（a）When wind turbine electric current Fi is more than wind turbine electric current the first setting electric current value I1, and wind turbine accumulated running time Ft is small more than X；（b）When wind turbine electric current Fi is small more than Y more than wind turbine electric current the second setting electric current value I2, wherein I2 ＜ I1, and wind turbine accumulated running time Ft, wherein Y ＞ X；（c）When wind turbine electric current Fi is small more than Z more than wind turbine electric current the 3rd setting electric current value I3, wherein I3 ＜ I2, and wind turbine accumulated running time Ft, wherein Z ＞ Y；3）If it is unsatisfactory for step 2）Condition, then do not do dedusting action, and return to step 2）；4）Operated into dedusting, 3min backed off after random.The present invention realizes automatic dust removing, ensures the stable operation of outer machine system by the detection of the parameters such as the revolution electric current to outdoor unit wind turbine.
Description
Technical field
The present invention relates to a kind of air conditioner controlling technology, especially a kind of side suitable for connected machine outdoor unit dedusting
Method, specifically a kind of connected machine outdoor unit automatic dust removing control method.
Background technology
Multi-connected machine outdoor unit is typically mounted at roof or large area position of platform, and usage time is grown, its outer machine is cold
Condenser area is big, and long-play post-condenser dust stratification is serious, so that inevitably cause effect poor, poor user experience, fortune
Transfer efficient is low, influences comfort, economy that user uses.
Artificial periodic cleaning is taken to outdoor unit cleaning at present, can not accomplish to clear up automatically, there is cleaning not in time, manually
The problems such as costly, need to improve.
The content of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of control of connected machine outdoor unit automatic dust removing
Method, by the detection to numerical value such as wind turbine electric currents, it can be achieved that the rotation to outdoor unit is cleaned, so that, it ensure that outer machine system
Cheap and reliable operation.
The technical scheme is that：
A kind of connected machine outdoor unit automatic dust removing control method, comprises the following steps：
1）When detecting the operating of outdoor unit wind turbine, the change of its rotating speed Fr and electric current Fi, and wind turbine accumulated running time Ft；
2）When meeting any of following three kinds of conditions, 4 are entered step）, outdoor fan start put into dedusting operating：
（a）When wind turbine electric current Fi is more than wind turbine electric current the first setting electric current value I1, and to be more than X small by wind turbine accumulated running time Ft
When；
（b）When wind turbine electric current Fi is more than wind turbine electric current the second setting electric current value I2, wherein I2 ＜ I1, and wind turbine accumulated running time
When Ft is small more than Y, wherein Y ＞ X；
（c）When wind turbine electric current Fi is more than wind turbine electric current the 3rd setting electric current value I3, wherein I3 ＜ I2, and wind turbine accumulated running time
When Ft is small more than Z, wherein Z ＞ Y；
3）If it is unsatisfactory for step 2）Condition, then do not do dedusting action, and return to step 2）；
4）Operated into dedusting, 3min backed off after random.
Further, the step 2）In, if after the outer machine condenser of manual cleaning, it can manually adjust wind turbine and add up
Run time Ft.
Beneficial effects of the present invention：
The present invention moves the dedusting that wind turbine realizes reversion automatically by the detection of the parameters such as the revolution electric current to outdoor unit wind turbine
Make, ensure that outer machine systematic economy reliability service, loss can also be reduced, improve the safety and reliability of system, reduce dimension
Protect cost.
Brief description of the drawings
Fig. 1 is the flow diagram of the present invention.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1.
A kind of connected machine outdoor unit automatic dust removing control method, comprises the following steps：
1）When detecting the operating of outdoor unit wind turbine, the change of its rotating speed Fr and electric current Fi, and wind turbine accumulated running time Ft；If
It is refrigeration mode, then directly detects；If heating mode, then 3min starts to detect after the frost is removed；
2）When meeting any of following three kinds of conditions, 4 are entered step）, outdoor fan start put into dedusting operating：
（a）When wind turbine electric current Fi is more than wind turbine electric current the first setting electric current value I1, and to be more than X small by wind turbine accumulated running time Ft
When；
（b）When wind turbine electric current Fi is more than wind turbine electric current the second setting electric current value I2, wherein I2 ＜ I1, and wind turbine accumulated running time
When Ft is small more than Y, wherein Y ＞ X；
（c）When wind turbine electric current Fi is more than wind turbine electric current the 3rd setting electric current value I3, wherein I3 ＜ I2, and wind turbine accumulated running time
When Ft is small more than Z, wherein Z ＞ Y；
3）If it is unsatisfactory for step 2）Condition, then do not do dedusting action, and return to step 2）；
4）Operated into dedusting, wind turbine passes through the reversion backed off after random of 3min.Subsequently enter next detection cycle.
The step 2）In, the I1, I2, I3 are current threshold, are that unit is determined in laboratory by test and debugging
, and the operating of random groups and increase it correction amount, avoid the deviation caused by installation environment and weather conditions.Such as wind
Current value is 3.5A during machine normal operation 690rpm, its current value is Fi=4A during maximum (top) speed 780rpm, controller internal reservoir
One electric current, rotating speed correspondence curve, then we carry out just determine I3=Fi+0.5=4.5A, I2=Fi+1.0=5.0A, I1=Fi+
1.5=5.5A.If being run after installation and debugging, since the factors such as environment or installation site influence, in the initial 50h mistakes of unit operation
Cheng Zhong, is corrected electric current, rotating speed correspondence curve.If for example, unit wind turbine operating 690rpm electricity after debugging start
Flow for 3.7A, it is likely that be that mounting distance wall is near, external environment condition change causes.Controller synthesis operates initial 50h
Parameters on target I1, I2 and I3 are modified, and increase 0.2A on the original basis, then I3=4.7A, I2=5.2A, I1=5.7A.It is right
In electric current correction value, determined by initial 50h rear immutable, only recover default target value after manual cleaning, unit carries out anti-
After turning dedusting action, original current threshold is kept, removes wind turbine duration of runs aggregate-value.
If after the outer machine condenser of manual cleaning, wind turbine accumulated running time Ft can be manually adjusted, makes control more
Precisely.
The relevant hardware of the present invention mainly has detection device, control device and executive device.Wherein detection device includes：Wind
Hall switch inside machine, magnet ring.Wherein Hall switch is used for the rotating speed of detection blower fan, and magnet ring is used for detection blower fan electric current.Control
Device processed includes：Master control RAM, USB flash disk and CPU.Wherein, CPU is issued according to control logic and instructed, USB flash disk storage data.Executive device
Including：Wind turbine driving, motor and fan blade.Its action process is：Outdoor unit current of electric and the duration of runs are detected, when change is full
Primary control program is issued an order when foot imposes a condition, and wind turbine driving controls motor to carry out antiport after receiving order, controls wind
Machine carries out dedusting operating, realizes automatic dust removing control.
Part that the present invention does not relate to is same as the prior art or can be realized using the prior art.
Claims (2)
- A kind of 1. connected machine outdoor unit automatic dust removing control method, it is characterized in that comprising the following steps：1）When detecting the operating of outdoor unit wind turbine, the change of its rotating speed Fr and electric current Fi, and wind turbine accumulated running time Ft；2）When meeting any of following three kinds of conditions, 4 are entered step）, outdoor fan start put into dedusting operating：（a）When wind turbine electric current Fi is more than wind turbine electric current the first setting electric current value I1, and to be more than X small by wind turbine accumulated running time Ft When；（b）When wind turbine electric current Fi is more than wind turbine electric current the second setting electric current value I2, wherein I2 ＜ I1, and wind turbine accumulated running time When Ft is small more than Y, wherein Y ＞ X；（c）When wind turbine electric current Fi is more than wind turbine electric current the 3rd setting electric current value I3, wherein I3 ＜ I2, and wind turbine accumulated running time When Ft is small more than Z, wherein Z ＞ Y；3）If it is unsatisfactory for step 2）Condition, then do not do dedusting action, and return to step 2）；4）Operated into dedusting, 3min backed off after random.
- 2. connected machine outdoor unit automatic dust removing control method according to claim 1, it is characterized in that the step 2） In, if after the outer machine condenser of manual cleaning, it can manually adjust wind turbine accumulated running time Ft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193014.XA CN107965881A (en) | 2017-11-24 | 2017-11-24 | A kind of connected machine outdoor unit automatic dust removing control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711193014.XA CN107965881A (en) | 2017-11-24 | 2017-11-24 | A kind of connected machine outdoor unit automatic dust removing control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269019A (en) * | 2018-10-10 | 2019-01-25 | 珠海格力电器股份有限公司 | Defrosting control method and device and heating equipment |
| CN109489192A (en) * | 2018-10-10 | 2019-03-19 | 珠海格力电器股份有限公司 | Fin cleaning method and device and air conditioning unit |
| CN110762741A (en) * | 2019-10-17 | 2020-02-07 | 宁波奥克斯电气股份有限公司 | Self-cleaning method and control device of air conditioner, readable storage medium and air conditioner |
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| CN104729016A (en) * | 2015-03-13 | 2015-06-24 | 广东美的暖通设备有限公司 | Dust removal method and device applied to air conditioner outdoor heat exchanger |
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| JP2015218993A (en) * | 2014-05-21 | 2015-12-07 | パナソニックＩｐマネジメント株式会社 | Air conditioner |
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Patent Citations (6)
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| CN101995055A (en) * | 2009-08-18 | 2011-03-30 | 松下电器产业株式会社 | Air conditioner capable of automatically removing dust |
| CN104110781A (en) * | 2013-11-21 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and filth blockage detection control method and device therefor |
| JP2015218993A (en) * | 2014-05-21 | 2015-12-07 | パナソニックＩｐマネジメント株式会社 | Air conditioner |
| CN104456813A (en) * | 2014-10-17 | 2015-03-25 | 成都四为电子信息股份有限公司 | Air supply and exhaust monitoring system and method for railway station house |
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| CN105066329A (en) * | 2015-07-17 | 2015-11-18 | 广东美的暖通设备有限公司 | Air conditioner, and method and system of judging dust deposition situation of filter screen of air conditioner internal unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269019A (en) * | 2018-10-10 | 2019-01-25 | 珠海格力电器股份有限公司 | Defrosting control method and device and heating equipment |
| CN109489192A (en) * | 2018-10-10 | 2019-03-19 | 珠海格力电器股份有限公司 | Fin cleaning method and device and air conditioning unit |
| CN110762741A (en) * | 2019-10-17 | 2020-02-07 | 宁波奥克斯电气股份有限公司 | Self-cleaning method and control device of air conditioner, readable storage medium and air conditioner |
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