CN107467704A - A kind of tobacco heat pump dryer alarm for high voltage processing method and system - Google Patents
A kind of tobacco heat pump dryer alarm for high voltage processing method and system Download PDFInfo
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- CN107467704A CN107467704A CN201710613059.1A CN201710613059A CN107467704A CN 107467704 A CN107467704 A CN 107467704A CN 201710613059 A CN201710613059 A CN 201710613059A CN 107467704 A CN107467704 A CN 107467704A
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- Prior art keywords
- high voltage
- alarm
- heat pump
- conversely
- buzzer
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Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/10—Roasting or cooling tobacco
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of tobacco heat pump dryer alarm for high voltage processing method and system to be handled by multistage alarm detection, including bypass pressure release, increase circulation wind speed, dual system switchover operation, target temperature, reasonably combined auxiliary heat of electricity etc. is adjusted flexibly, heat pump normal operation can be ensured to greatest extent, both it ensure that the stabilization of equipment or farthest saved energy consumption, it thereby may be ensured that and be smoothed out in whole Tobacco Leaf Curing, tobacco flue-curing success is can also ensure that when extremely intractable alarm for high voltage occurs in heat pump.It the composite can be widely applied to tobacco art of heat pumps.
Description
Technical field
At dryer alert process technical field, more particularly to a kind of tobacco heat pump dryer alarm for high voltage
Manage method and system.
Background technology
Tobacco flue-curing is one and requires temperature humidity very strict technical process, the control accuracy of normal dry-bulb temperature
It is required that being ± 1 DEG C, the control accuracy requirement of wet-bulb temperature is ± 0.5 DEG C.
Tobacco flue-curing is the very wide process of a temperature range, and from the drying muscle stage of changing yellow stage, fixation stage to the end, it is dry
Ball temperature range is raised to 68 DEG C from 37 DEG C.
Not too many special tobacco flue-curing heat pump on the market at present, most heat pump producer to method for flue-curing tobacco leaves not
It is familiar with, so they carry out tobacco flue-curing using common hot water heat pump controller mostly.Occur in Tobacco Leaf Curing
Disorderly closedown caused by the problem of various, particularly alarm for high voltage, causes tobacco flue-curing to fail, and is caused to tobacco grower very big
Loss.
The content of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is a kind of Automatic Control, and the tobacco that reliability is higher
Heat pump dryer alarm for high voltage processing method and system.
The technical solution used in the present invention is：
A kind of tobacco heat pump dryer alarm for high voltage processing method, comprises the following steps：
A, when detecting alarm for high voltage, start buzzer and open by-passing valve；
B, after default stand-by period first stage, detect whether alarm for high voltage also occur, if so, then carrying out blower fan inspection
Survey；Conversely, then stopping alarm for high voltage showing and close buzzer, and by-passing valve is closed after the default shut-in time；
C, judge whether another heat pump is in holding state, if so, then starting another heat pump, and close
Current heat pump；Conversely, then target temperature is adjusted；
D, detect whether alarm for high voltage also occur, if so, being then adjusted to target temperature；Conversely, then stop high pressure report
Alert display and closing buzzer；
E, close current heat pump and start the auxiliary heat of electricity successively, and restarting is current after the default startup time
Heat pump；
F, detect whether alarm for high voltage also occur, if so, then closing current heat pump and no longer automatic start, simultaneously
The auxiliary hot unlatching of electricity is maintained, until baking terminates；Conversely, then stopping alarm for high voltage showing and close buzzer, and close successively
The auxiliary heat of electricity.
As a kind of further improvement of described tobacco heat pump dryer alarm for high voltage processing method, the inspection of described blower fan
Survey, the step for specifically include：
B1, the wind speed pattern for detecting circulating fan, judge whether it operates in low-speed mode, if so, then by circulating fan
Wind speed pattern switching to fast mode；Conversely, then perform step C；
B2, after the default second stage stand-by period, detect whether alarm for high voltage also occur, if so, then performing step
C；Conversely, then stopping alarm for high voltage showing and closes buzzer, and by the wind speed mould of circulating fan after default switching time
Formula switches to low-speed mode.
It is described to target as a kind of further improvement of described tobacco heat pump dryer alarm for high voltage processing method
Temperature is adjusted, the step for specifically include：
C1, target temperature reduced by 1 DEG C, and detect whether alarm for high voltage also occur, if so, then performing step C2；Conversely,
Then stop alarm for high voltage and show and close buzzer, and recover target temperature to shape before after default recovery time
State；
C2, target temperature reduced by 2 DEG C, and detect whether alarm for high voltage also occur, if so, then performing step E；Conversely,
Then stop alarm for high voltage and show and close buzzer, and recover target temperature to shape before after default recovery time
State.
Another technical scheme of the present invention is：
A kind of tobacco heat pump dryer alarm for high voltage processing system, including：
Bypass valve control module, for when detecting alarm for high voltage, starting buzzer and opening by-passing valve；
Aerator supervision module, for after default stand-by period first stage, detecting whether alarm for high voltage also occur, if
It is then to carry out aerator supervision；Conversely, then stopping alarm for high voltage showing and close buzzer, and closed after the default shut-in time
Close by-passing valve；
System detectio module, for judging whether another heat pump is in holding state, if so, then starting another
Heat pump, and close current heat pump；Conversely, then target temperature is adjusted；
Alarm detection module, for detecting whether also there is alarm for high voltage, if so, being then adjusted to target temperature；Instead
It, then stop alarm for high voltage and show and close buzzer；
System reboot module, for closing current heat pump and starting the auxiliary heat of electricity successively, and in default startup
Between after the current heat pump of restarting；
Final detection module, for detecting whether also there is alarm for high voltage, if so, then closing current heat pump not
Automatic start again, while the auxiliary hot unlatching of electricity is maintained, until baking terminates；Conversely, then stopping alarm for high voltage showing and closes honeybee
Ring device, and closes the auxiliary heat of electricity successively.
As a kind of further improvement of described tobacco heat pump dryer alarm for high voltage processing system, the aerator supervision
Aerator supervision in module, it is specifically included：
Wind speed measurement module, for detecting the wind speed pattern of circulating fan, judge whether it operates in low-speed mode, if
It is, then by the wind speed pattern switching of circulating fan to fast mode；Conversely, then execution system detection module；
Mode switch module, for after the default second stage stand-by period, detecting whether alarm for high voltage also occur, if
It is, then execution system detection module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and in default switching time
Afterwards by the wind speed pattern switching of circulating fan to low-speed mode.
It is described to target as a kind of further improvement of described tobacco heat pump dryer alarm for high voltage processing system
Temperature is adjusted, the step for specifically include：
First temperature adjusting module, for target temperature to be reduced into 1 DEG C, and detect whether alarm for high voltage also occur, if so,
Then perform second temperature adjusting module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and in default recovery time
Target temperature is recovered to state before afterwards；
Second temperature adjusting module, for target temperature to be reduced into 2 DEG C, and detect whether alarm for high voltage also occur, if so,
Then execution system restarts module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and will after default recovery time
Target temperature recovers to state before.
The beneficial effects of the invention are as follows：
A kind of tobacco heat pump dryer alarm for high voltage processing method of the present invention and system by multistage alarm detection at
Reason, can ensure heat pump normal operation to greatest extent, both ensure that the stabilization of equipment or farthest saved energy consumption, so as to
It can ensure to be smoothed out in whole Tobacco Leaf Curing, when extremely intractable alarm for high voltage occurs in heat pump
It can also ensure that tobacco flue-curing success.
Brief description of the drawings
The embodiment of the present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of step flow chart of tobacco heat pump dryer alarm for high voltage processing method of the present invention；
Fig. 2 is a kind of block diagram of tobacco heat pump dryer alarm for high voltage processing system of the present invention.
Embodiment
With reference to figure 1, a kind of tobacco heat pump dryer alarm for high voltage processing method of the present invention, comprise the following steps：
A, when detecting alarm for high voltage, start buzzer and open by-passing valve；
B, after default stand-by period first stage, detect whether alarm for high voltage also occur, if so, then carrying out blower fan inspection
Survey；Conversely, then stopping alarm for high voltage showing and close buzzer, and by-passing valve is closed after the default shut-in time；
C, judge whether another heat pump is in holding state, if so, then starting another heat pump, and close
Current heat pump；Conversely, then target temperature is adjusted；
D, detect whether alarm for high voltage also occur, if so, being then adjusted to target temperature；Conversely, then stop high pressure report
Alert display and closing buzzer；
E, close current heat pump and start the auxiliary heat of electricity successively, and restarting is current after the default startup time
Heat pump；
F, detect whether alarm for high voltage also occur, if so, then closing current heat pump and no longer automatic start, simultaneously
The auxiliary hot unlatching of electricity is maintained, until baking terminates；Conversely, then stopping alarm for high voltage showing and close buzzer, and close successively
The auxiliary heat of electricity.
Wherein, pressure can be let out by opening by-passing valve below safe pressure.
Be further used as preferred embodiment, described aerator supervision, the step for specifically include：
B1, the wind speed pattern for detecting circulating fan, judge whether it operates in low-speed mode, if so, then by circulating fan
Wind speed pattern switching to fast mode；Conversely, then perform step C；
B2, after the default second stage stand-by period, detect whether alarm for high voltage also occur, if so, then performing step
C；Conversely, then stopping alarm for high voltage showing and closes buzzer, and by the wind speed mould of circulating fan after default switching time
Formula switches to low-speed mode.Wherein, the condensation effect of condenser can effectively improve by the switching of blower fan pattern, reduces condensation pressure
Power.
Be further used as preferred embodiment, it is described that target temperature is adjusted, the step for specifically include：
C1, target temperature reduced by 1 DEG C, and detect whether alarm for high voltage also occur, if so, then performing step C2；Conversely,
Then stop alarm for high voltage and show and close buzzer, and recover target temperature to shape before after default recovery time
State；
C2, target temperature reduced by 2 DEG C, and detect whether alarm for high voltage also occur, if so, then performing step E；Conversely,
Then stop alarm for high voltage and show and close buzzer, and recover target temperature to shape before after default recovery time
State.
In the specific embodiment of the invention, heat pump uses Dual System Design, and the reliability of system greatly improves, and is simultaneously
Energy level regulation of uniting is more flexible.The circulating fan is high low speed Double Speed Fan, and air quantity is reduced in tobacco leaf yellowing stage, can maximum journey
Degree ground moisturizing, ensure that tobacco leaf smoothly turns yellow while avoids cigarette point from situation about burning occur because of excessive wind speed.In the present embodiment
Default stand-by period first stage is 10s, and the default shut-in time is 3min, and the default second stage stand-by period is 15s,
Default switching time is 30min, and default recovery time is 30min, and the default startup time is 60min, then it is specially：
S1, when detecting alarm for high voltage, start buzzer and simultaneously open by-passing valve；
S2, detect whether alarm for high voltage also occur after 10s, if so, then performing step S3；Conversely, then stop high pressure report
Alert display and closing buzzer, and by-passing valve is closed after 3min；
S3, the wind speed pattern for detecting circulating fan, judge whether it operates in low-speed mode, if so, then by circulating fan
Wind speed pattern switching to fast mode；Conversely, then perform step S5；
S4, detect whether alarm for high voltage also occur after 15s, if so, then performing step S5；Conversely, then stop high pressure report
Alert display and closing buzzer, and by the wind speed pattern switching of circulating fan to low-speed mode after 30min；
S5, judge whether another heat pump is in holding state, if so, then starting another heat pump, and close
Close current heat pump；Conversely, then target temperature is adjusted；
S6, detect whether alarm for high voltage also occur, if so, being then adjusted to target temperature；Conversely, then stop high pressure report
Alert display and closing buzzer；
S7, target temperature reduced by 1 DEG C, and detect whether alarm for high voltage also occur, if so, then performing step S8；Conversely,
Then stop alarm for high voltage and show and close buzzer, and recover target temperature to state before after 30min；
S8, target temperature reduced by 2 DEG C, and detect whether alarm for high voltage also occur, if so, then performing step S9；Conversely,
Then stop alarm for high voltage and show and close buzzer, and recover target temperature to state before after 30min；
S9, close current heat pump and start the auxiliary heat of electricity successively, and current heat pump system is restarted after 60min
System；
S10, detect whether alarm for high voltage also occur, if so, then closing current heat pump and no longer automatic start, together
When maintain the auxiliary hot unlatching of electricity, until baking terminates；Conversely, then stopping alarm for high voltage showing and close buzzer, and close successively
Close the auxiliary heat of electricity.
With reference to figure 2, a kind of tobacco heat pump dryer alarm for high voltage processing system of the invention, including：
Bypass valve control module, for when detecting alarm for high voltage, starting buzzer and opening by-passing valve；
Aerator supervision module, for after default stand-by period first stage, detecting whether alarm for high voltage also occur, if
It is then to carry out aerator supervision；Conversely, then stopping alarm for high voltage showing and close buzzer, and closed after the default shut-in time
Close by-passing valve；
System detectio module, for judging whether another heat pump is in holding state, if so, then starting another
Heat pump, and close current heat pump；Conversely, then target temperature is adjusted；
Alarm detection module, for detecting whether also there is alarm for high voltage, if so, being then adjusted to target temperature；Instead
It, then stop alarm for high voltage and show and close buzzer；
System reboot module, for closing current heat pump and starting the auxiliary heat of electricity successively, and in default startup
Between after the current heat pump of restarting；
Final detection module, for detecting whether also there is alarm for high voltage, if so, then closing current heat pump not
Automatic start again, while the auxiliary hot unlatching of electricity is maintained, until baking terminates；Conversely, then stopping alarm for high voltage showing and closes honeybee
Ring device, and closes the auxiliary heat of electricity successively.
It is further used as preferred embodiment, the aerator supervision in the aerator supervision module, it is specifically included：
Wind speed measurement module, for detecting the wind speed pattern of circulating fan, judge whether it operates in low-speed mode, if
It is, then by the wind speed pattern switching of circulating fan to fast mode；Conversely, then execution system detection module；
Mode switch module, for after the default second stage stand-by period, detecting whether alarm for high voltage also occur, if
It is, then execution system detection module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and in default switching time
Afterwards by the wind speed pattern switching of circulating fan to low-speed mode.
Be further used as preferred embodiment, it is described that target temperature is adjusted, the step for specifically include：
First temperature adjusting module, for target temperature to be reduced into 1 DEG C, and detect whether alarm for high voltage also occur, if so,
Then perform second temperature adjusting module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and in default recovery time
Target temperature is recovered to state before afterwards；
Second temperature adjusting module, for target temperature to be reduced into 2 DEG C, and detect whether alarm for high voltage also occur, if so,
Then execution system restarts module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and will after default recovery time
Target temperature recovers to state before.
From the foregoing it can be that a kind of tobacco heat pump dryer alarm for high voltage processing method of the present invention and system pass through it is multistage
The alarm detection processing of section, including bypass pressure release, increase circulate wind speed, dual system switchover operation, target temperature are adjusted flexibly, closes
Auxiliary heat of reason collocation electricity etc., can ensure heat pump normal operation to greatest extent, both ensure that the stabilization or farthest of equipment
Energy consumption has been saved, thereby may be ensured that and be smoothed out in whole Tobacco Leaf Curing, has been occurred even in heat pump extremely difficult
Tobacco flue-curing success is can also ensure that during the alarm for high voltage of processing.And the present invention uses Dual System Design, considerably increases and sets
Standby reliability.More convenient energy level regulation simultaneously, can basis when alarm for high voltage occurs in system using multigroup auxiliary thermal design of electricity
Need to automatically engage use, substantially increase the reliability of system.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of tobacco heat pump dryer alarm for high voltage processing method, it is characterised in that comprise the following steps：
A, when detecting alarm for high voltage, start buzzer and open by-passing valve；
B, after default stand-by period first stage, detect whether alarm for high voltage also occur, if so, then carrying out aerator supervision；
Conversely, then stopping alarm for high voltage showing and close buzzer, and by-passing valve is closed after the default shut-in time；
C, judge whether another heat pump is in holding state, if so, then starting another heat pump, and close current
Heat pump；Conversely, then target temperature is adjusted；
D, detect whether alarm for high voltage also occur, if so, being then adjusted to target temperature；Show conversely, then stopping alarm for high voltage
Show and close buzzer；
E, close current heat pump and start the auxiliary heat of electricity successively, and current heat is restarted after the default startup time
Pumping system；
F, detect whether alarm for high voltage also occur, if so, then closing current heat pump and no longer automatic start, maintain simultaneously
The auxiliary hot unlatching of electricity, until baking terminates；Conversely, then stopping alarm for high voltage showing and close buzzer, and it is auxiliary to close electricity successively
Heat.
A kind of 2. tobacco heat pump dryer alarm for high voltage processing method according to claim 1, it is characterised in that：
Described aerator supervision, the step for specifically include：
B1, the wind speed pattern for detecting circulating fan, judge whether it operates in low-speed mode, if so, then by the wind of circulating fan
Fast mode switches to fast mode；Conversely, then perform step C；
B2, after the default second stage stand-by period, detect whether alarm for high voltage also occur, if so, then performing step C；Instead
It, then stop alarm for high voltage and show and close buzzer, and cut the wind speed pattern of circulating fan after default switching time
Shift to low-speed mode.
A kind of 3. tobacco heat pump dryer alarm for high voltage processing method according to claim 1, it is characterised in that：Described
Target temperature is adjusted, the step for specifically include：
C1, target temperature reduced by 1 DEG C, and detect whether alarm for high voltage also occur, if so, then performing step C2；Conversely, then stop
Only alarm for high voltage shows and closed buzzer, and recovers target temperature to state before after default recovery time；
C2, target temperature reduced by 2 DEG C, and detect whether alarm for high voltage also occur, if so, then performing step E；Conversely, then stop
Only alarm for high voltage shows and closed buzzer, and recovers target temperature to state before after default recovery time.
A kind of 4. tobacco heat pump dryer alarm for high voltage processing system, it is characterised in that including：
Bypass valve control module, for when detecting alarm for high voltage, starting buzzer and opening by-passing valve；
Aerator supervision module, for after default stand-by period first stage, detecting whether alarm for high voltage also occur, if so,
Then carry out aerator supervision；Conversely, then stopping alarm for high voltage showing and closes buzzer, and after the default shut-in time by closing
Port valve；
System detectio module, for judging whether another heat pump is in holding state, if so, then starting another heat pump
System, and close current heat pump；Conversely, then target temperature is adjusted；
Alarm detection module, for detecting whether also there is alarm for high voltage, if so, being then adjusted to target temperature；Conversely, then
Stop alarm for high voltage and show and close buzzer；
System reboot module, for closing current heat pump and starting the auxiliary heat of electricity successively, and after the default startup time
Restart current heat pump；
Final detection module, for detecting whether also there is alarm for high voltage, if so, then closing current heat pump and no longer oneself
It is dynamic to start, while the auxiliary hot unlatching of electricity is maintained, until baking terminates；Conversely, then stopping alarm for high voltage showing and closes buzzer,
And the auxiliary heat of electricity is closed successively.
A kind of 5. tobacco heat pump dryer alarm for high voltage processing system according to claim 4, it is characterised in that：The wind
Aerator supervision in machine testing module, it is specifically included：
Wind speed measurement module, for detecting the wind speed pattern of circulating fan, judge whether it operates in low-speed mode, if so, then
By the wind speed pattern switching of circulating fan to fast mode；Conversely, then execution system detection module；
Mode switch module, for after the default second stage stand-by period, detecting whether alarm for high voltage also occur, if so,
Then execution system detection module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and will after default switching time
The wind speed pattern switching of circulating fan is to low-speed mode.
A kind of 6. tobacco heat pump dryer alarm for high voltage processing system according to claim 4, it is characterised in that：
Described is adjusted to target temperature, the step for specifically include：
First temperature adjusting module, for target temperature to be reduced into 1 DEG C, and detect whether alarm for high voltage also occur, if so, then holding
Row second temperature adjusting module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and will after default recovery time
Target temperature recovers to state before；
Second temperature adjusting module, for target temperature to be reduced into 2 DEG C, and detect whether alarm for high voltage also occur, if so, then holding
Row system reboot module；Conversely, then stopping alarm for high voltage showing and closes buzzer, and by target after default recovery time
Temperature is recovered to state before.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613059.1A CN107467704A (en) | 2017-07-25 | 2017-07-25 | A kind of tobacco heat pump dryer alarm for high voltage processing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613059.1A CN107467704A (en) | 2017-07-25 | 2017-07-25 | A kind of tobacco heat pump dryer alarm for high voltage processing method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107467704A true CN107467704A (en) | 2017-12-15 |
Family
ID=60595915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710613059.1A Pending CN107467704A (en) | 2017-07-25 | 2017-07-25 | A kind of tobacco heat pump dryer alarm for high voltage processing method and system |
Country Status (1)
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| CN202281341U (en) * | 2011-10-11 | 2012-06-20 | 三一重工股份有限公司 | Dynamic pressure monitoring device of air conditioner system |
| KR101303656B1 (en) * | 2013-03-15 | 2013-09-05 | 주식회사 오페론 | Freeze drier |
| CN204047983U (en) * | 2014-08-15 | 2014-12-31 | 湖南意歌生态科技有限公司 | High-temperature hot pump type tobacco flue-curing house |
| CN104764140A (en) * | 2015-03-19 | 2015-07-08 | 珠海格力电器股份有限公司 | Condensing pressure control method for refrigerating air conditioning unit |
| CN104807139A (en) * | 2015-04-24 | 2015-07-29 | 广东美的制冷设备有限公司 | Control method of air conditioner and control device |
| CN104896666A (en) * | 2015-05-28 | 2015-09-09 | 广东美的制冷设备有限公司 | Control method for outdoor unit of air conditioner and air conditioner |
| CN105276881A (en) * | 2015-10-15 | 2016-01-27 | 珠海格力电器股份有限公司 | condensing unit operation control method |
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2017
- 2017-07-25 CN CN201710613059.1A patent/CN107467704A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202281341U (en) * | 2011-10-11 | 2012-06-20 | 三一重工股份有限公司 | Dynamic pressure monitoring device of air conditioner system |
| KR101303656B1 (en) * | 2013-03-15 | 2013-09-05 | 주식회사 오페론 | Freeze drier |
| CN204047983U (en) * | 2014-08-15 | 2014-12-31 | 湖南意歌生态科技有限公司 | High-temperature hot pump type tobacco flue-curing house |
| CN104764140A (en) * | 2015-03-19 | 2015-07-08 | 珠海格力电器股份有限公司 | Condensing pressure control method for refrigerating air conditioning unit |
| CN104807139A (en) * | 2015-04-24 | 2015-07-29 | 广东美的制冷设备有限公司 | Control method of air conditioner and control device |
| CN104896666A (en) * | 2015-05-28 | 2015-09-09 | 广东美的制冷设备有限公司 | Control method for outdoor unit of air conditioner and air conditioner |
| CN105276881A (en) * | 2015-10-15 | 2016-01-27 | 珠海格力电器股份有限公司 | condensing unit operation control method |
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