CN106801971B - The control method that air-conditioning heating is restarted after shutting down to temperature - Google Patents
The control method that air-conditioning heating is restarted after shutting down to temperature Download PDFInfo
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- CN106801971B CN106801971B CN201611189630.3A CN201611189630A CN106801971B CN 106801971 B CN106801971 B CN 106801971B CN 201611189630 A CN201611189630 A CN 201611189630A CN 106801971 B CN106801971 B CN 106801971B
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- temperature
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The control method restarted after being shut down the invention discloses a kind of air-conditioning heating to temperature, the specific steps of which are as follows: proposing the ordered series of numbers formula for the interval time Sn restarted after an air-conditioning to temperature shutdown, S1=aSn=Sn‑1—(Ts—1—Thmin) × k wherein SnUnit is minute, and n is the number restarted and n >=2, k are correction factor, and Ts is user's set temperature, and ThminRefer to, air-conditioning from last time restart after until this shutdown until this between one section of complete runing time in return air inlet temperature Th minimum value;After air-conditioning is shut down to temperature, meet any one following condition, air-conditioning is restarted;Condition 1, Th≤Ts-1 and the practical downtime of compressor reach compressor shutdown guard time;Condition 2, the practical downtime of compressor reach the interval time Sn restarted after air-conditioning is shut down to temperature.This method can restart in time heating by air-conditioning when temperature of lower is eligible in a room.
Description
Technical field
It is especially the controlling party restarted after a kind of air-conditioning heating is shut down to temperature the present invention relates to the control method of air conditioner
Method.
Background technique
The air-conditioning of the prior art is in a heating mode to control start and stop according to user's set temperature Ts.Specifically
It says, temperature sensor is set in return air inlet for air-conditioner, the return air inlet for air-conditioner temperature Th which measures is considered as room temperature, and empty
The shutdown temperature of tune is Ts+1 DEG C of target temperature set by user, and if user wishes that room temperature is 20 DEG C, then shutdown temperature is
21 DEG C, as return air inlet temperature Th >=Ts+1, air-conditioning is shut down to temperature.
And the control method that the air-conditioning of the prior art is restarted after shutting down to temperature is as follows: it is mesh set by user that temperature is restarted in order
Ts-1 DEG C of temperature of mark, such as target temperature set by user are 20 DEG C, and it is 19 DEG C that, which restarts temperature just, continue to monitor return air after shutdown
Mouth temperature Th, once discovery return air inlet temperature Th≤Ts-1, and the practical downtime of compressor has been more than compressor shutdown protection
Time (generally 3 minutes), then compressor restarts.
There are a critical defects, the i.e. above method for the control method that the air-conditioning of the prior art is restarted after shutting down to temperature
Return air inlet for air-conditioner temperature has been considered as room temperature, but both has actually been there are deviation even deviation is biggish, because of return air
Mouth is located at the higher position in room, and after indoor fan shutdown, the hot-air on top cannot be with the air of room middle and lower part
Heat exchange, is higher than room middle and lower part temperature so as to cause return air inlet for air-conditioner temperature;Moreover, top hot-air not with lower air
Convection current, temperature drop rate is slow, and as time goes by, the temperature difference of the two is increasing.Therefore, there have been room middle and lower parts
Most of region have reached the condition for restarting heating, but the temperature at return air inlet is still very high, can not trigger air-conditioning weight
Heating is opened, so that entire room temperature continues to decline, people is allowed to feel cold uncomfortable predicament.
Summary of the invention
The technical problem to be solved by the present invention is to providing one kind, air-conditioning can be in time when room middle and lower part temperature is eligible
Heating is restarted, so that it is guaranteed that room temperature will not decline the control method restarted after excessive air-conditioning heating is shut down to temperature.
The technical solution of the invention is as follows, provides the control method restarted after a kind of air-conditioning heating is shut down to temperature, tool
Steps are as follows for body:
It is proposed the ordered series of numbers formula for the interval time Sn restarted after an air-conditioning is shut down to temperature,
S1=a
Sn=Sn-1—(Ts—1—Thmin)×k
Wherein SnUnit is minute, and n is the number restarted and n >=2, k are correction factor, and Ts is user's set temperature, and
ThminRefer to, air-conditioning from last time restart after until this shut down until this between one section of complete runing time in time
The minimum value of draught temperature Th;
After air-conditioning is shut down to temperature, meet any one following condition, air-conditioning is restarted;
Condition 1, Th≤Ts-1 and the practical downtime of compressor reach compressor shutdown guard time;
Condition 2, the practical downtime of compressor reach the interval time Sn restarted after air-conditioning is shut down to temperature.
The principle of the control method is the interval time S restarted after shutting down for the first time1It is setting time a minutes, and from
Secondary beginning, since indoor fan promotes return air inlet for air-conditioner air constantly to exchange heat with space air in heating operations, so
Acquisition last time restart this shut down this section heat exchange operational process in temperature minimum Thmin, to set temperature ratio
It is right, and the interval time Sn restarted next time is corrected using its difference.
And meaning existing for condition 1, there is provided a compensation conditions, exactly such as open the door or open when there is unexpected situation
Window so that room temperature rapid decrease when downtime does not reach Sn also, then without waiting for Sn, but according to Th≤
Ts-1 is directly quickly restarted, and certainly, restarting must satisfy the compressor shutdown time and reached the stoppage protection time.
Using above method, the control method that air-conditioning heating of the present invention is restarted after shutting down to temperature compared with prior art, has
It has the advantage that
The control method solves the difference between room top return air inlet for air-conditioner temperature and room middle and lower part actual temperature
The problem of causing air conditioner that cannot restart heating in time, room middle and lower part temperature when being restarted by the air conditioner that Sn makes without
Limit avoids close to Ts-1 and heats caused room temperature continuous decrease due to that cannot restart in time, optimize user experience.
Specific embodiment
The controlling party restarted after air-conditioning heating of the present invention is shut down to temperature is described in detail to warm stopping process in conjunction with air-conditioning
Method, specific step is as follows.
When air-conditioning is switched on for the first time, as return air inlet temperature Th≤Ts-1, and the practical downtime of compressor has been more than compressor
The stoppage protection time, if the practical downtime of compressor has been more than the starting of 3 minutes, then compressor and outdoor fan, while four-way
Valve obtains electric, and indoor fan is controlled according to anti-cold wind method.The anti-cold wind method refers to, meet it is following any one
Condition, indoor fan starting, condition 1 is that indoor heat exchanger coil temperature is greater than 28 DEG C, and condition 2 is super for compressor operating time
Spend 2 minutes.
Then, it has entered to warm stopping process.I.e. as return air inlet temperature Th >=Ts+1 and compressor is run more than 3 minutes
When, compressor and outdoor fan are shut down, and indoor fan is closed after adjusting to low-grade location operation 30s.Then, the application is advanced to
Air-conditioning heating shut down to temperature after during the control method restarted.
First propose the ordered series of numbers formula for the interval time Sn restarted after an air-conditioning is shut down to temperature.
S1=a
Sn=Sn-1—(Ts—1—Thmin)×k
Wherein SnUnit is minute, and n is the number restarted and n >=2, such as S1Refer to after being shut down for the first time to temperature again to the
This section of interval time before once restarting, the present embodiment a choose 5 minutes.S2And refers to second and shut down later again to temperature
This section of interval time to before restarting for the second time.SnAnd refers to and arrived after n-th is shut down to temperature again before n-th restarts
This section of interval time.
K is correction factor, and it is 2 that this implementation column, which chooses k,.Ts is user's set temperature.
And ThminRefer to, air-conditioning from last time restart after until this shut down until this between one section completely transport
The minimum value of return air inlet temperature Th in the row time;The value is can be sampled and be recorded by the main control of air-conditioning.
Certainly, calculated S according to the method described abovenValue, there is also a correction conditions, i.e. SnIt has to be larger than or is equal to
3min, that is to say, that if calculating S by formulanValue was less than 3 minutes, and such as only 2.8 minutes, SnAlso 3 points must be modified to
Clock.
It lifts specific number to illustrate, S1It is 5 minutes, room temperature Ts set by user is 20 DEG C, k 2, calculates S2When,
ThminRestarted after namely restarting for the first time for the last time until until this namely second shutdown between this one
The minimum value of return air inlet temperature Th brings formula S into if it is 18.5 DEG C in the complete runing time of section2=S1—(Ts—1—
Thmin) × 2, then finally calculate S2It is 4 minutes, and S2>=3min is without correcting, therefore last S2It is 4 minutes.
Continue to calculate S3, S2It is 4 minutes, Ts is 20 DEG C, k 2, ThminAfter restarting for the second time, third time shut down before this
The minimum value of return air inlet temperature Th brings formula S into if it is 19.2 DEG C in the section time3=S2—(Ts—1—Thmin) × 2,
Then finally calculate S2It is 4.4 minutes.
In above-mentioned calculating process, after restarting for the second time, return air inlet temperature Th in this period before third time is shut down
Minimum value has been greater than Ts -1 in fact, and this situation occur is the room temperature because air-conditioning is good in the preceding paragraph heating operations heating effect
Degree is high, so (1-Th of Ts-min) value there is negative, therefore downtime can further increase, and stop greater than last
Machine time S2。
After air-conditioning is shut down to temperature, meet any one following condition, air-conditioning is restarted;That is compressor and outdoor fan opens
It is dynamic, and indoor fan is controlled according to anti-cold wind method.
Condition 1, Th≤Ts-1 and the practical downtime of compressor reach compressor shutdown guard time.
Condition 2, the practical downtime of compressor reach the interval time Sn restarted after air-conditioning is shut down to temperature.
Claims (1)
1. the control method that a kind of air-conditioning heating is restarted after shutting down to temperature, it is characterised in that: the specific steps of which are as follows:
It is proposed the ordered series of numbers formula for the interval time Sn restarted after an air-conditioning is shut down to temperature,
S1=a
Sn=Sn-1—(Ts—1—Thmin)×k
Wherein SnUnit is minute, and n is the number restarted and n >=2, k are correction factor, and Ts is user's set temperature, and ThminIt is
Refer to, air-conditioning from last time restart after until this shutdown until this between one section of complete runing time in return air inlet temperature
Spend the minimum value of Th;
Calculated S according to the method described abovenValue, there is also a correction conditions, i.e. SnHave to be larger than or be equal to 3min;
After air-conditioning is shut down to temperature, meet any one following condition, air-conditioning is restarted;
Condition 1, Th≤Ts-1 and the practical downtime of compressor reach compressor shutdown guard time;
Condition 2, the practical downtime of compressor reach the interval time Sn restarted after air-conditioning is shut down to temperature.
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CN109373656B (en) * | 2018-10-29 | 2020-07-03 | 宁波奥克斯电气股份有限公司 | Compressor output control method and device and air conditioner |
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CN113587356B (en) * | 2021-06-02 | 2022-11-25 | 宁波奥克斯电气股份有限公司 | Control method and device for preventing heating of air conditioner from being blocked and air conditioner |
CN114294800B (en) * | 2021-12-17 | 2023-09-08 | 宁波奥克斯电气股份有限公司 | Air conditioner heating temperature-reaching shutdown control method and device and air conditioner |
CN114183889B (en) * | 2021-12-23 | 2023-07-28 | 邵阳学院 | Control method and control device of air conditioner and air conditioner |
CN114413449B (en) * | 2022-03-01 | 2024-05-24 | 青岛海尔空调器有限总公司 | Air conditioner control method, controller, air conditioner and storage medium |
CN117287804B (en) * | 2023-11-24 | 2024-04-09 | 珠海格力电器股份有限公司 | Shutdown control method and device for air conditioner, air conditioner and medium |
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