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CN102679490A - Dehumidification mode control method of air conditioner under low-temperature working condition - Google Patents

Dehumidification mode control method of air conditioner under low-temperature working condition Download PDF

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Publication number
CN102679490A
CN102679490A CN201110061263XA CN201110061263A CN102679490A CN 102679490 A CN102679490 A CN 102679490A CN 201110061263X A CN201110061263X A CN 201110061263XA CN 201110061263 A CN201110061263 A CN 201110061263A CN 102679490 A CN102679490 A CN 102679490A
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compressor
blower fan
air
conditioner
setting
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CN102679490B (en
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金海元
张辉
陈绍林
李文灿
林金煌
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The invention provides a dehumidification mode control method of an air conditioner under a low-temperature working condition, the air conditioner can be normally started to execute a dehumidification command under an indoor low-temperature condition, and the problem of poor low-temperature dehumidification effect is solved. After the air conditioner enters a dehumidification mode under a low-temperature working condition, automatically determining a set temperature value T of the dehumidification mode under the low-temperature working condition; if the T ring is more than or equal to T and +4 ℃, the air conditioner enters a refrigeration mode to operate; if T is more than 3 ℃ and T ring is less than T and is more than 4 ℃, the air conditioner keeps the front running state; t is more than or equal to 1 ℃ and less than or equal to T and more than or equal to 3 ℃, and the operation mode of the air conditioner is as follows: after the compressor and the outer fan synchronously operate for the first set time period T1, the compressor and the outer fan synchronously stop operating for the second set time period T2, the operation is repeatedly circulated, and the inner fan operates at a low wind speed; t is more than T ring and more than T +1 ℃, the air conditioner keeps the front running state; and the T ring is less than or equal to T, the compressor and the outer fan are stopped, and the inner fan runs at the lowest wind speed.

Description

Dehumidification mode control method under the air-conditioner worst cold case
Technical field
The invention belongs to refrigeration and electroporation field, be specifically related to dehumidification mode control method under the air-conditioner worst cold case.
Background technology
The air-conditioner dehumidification operating mode is applicable to that usually indoor temperature is the operating mode more than 16 ℃, and in fact, especially southern area; The annual time that one section low temperature and moisture is always arranged; At this moment indoor temperature is lower than 16 ℃, but relative humidity is very high, reaches 80%-100%; Indoor environment has the demand of dehumidifying equally, goes mouldy to guarantee that environment is dry and comfortable, article are guaranteed the quality and do not produce.
When indoor temperature was lower than 16 ℃, if humidity is very high, existing air-conditioning can not be carried out dehumidification function, influences comfortableness; If but force under this operating mode to carry out dehumidifying under the cryogenic conditions, because the dehumidification mode control method is also unreasonable, will cause indoor machine evaporation to be easy to tie full frost, cause air-conditioning normally not freeze, effect on moisture extraction is poor, even produces fault.
Summary of the invention
The object of the present invention is to provide dehumidification mode control method under a kind of air-conditioner worst cold case, under the indoor low temperature situation, air-conditioning can normally be opened and carry out the dehumidifying order, has solved low temperature dehumidification weak effect problem.
The present invention realizes through following technical scheme:
Dehumidification mode control method under the air-conditioner worst cold case is characterized in that: comprise the steps:
Step S1: air-conditioner gets into dehumidification mode under the worst cold case;
Step S2: air-conditioner confirms that automatically the set temperature value T of dehumidification mode under the worst cold case establishes;
Step S3: judge whether indoor environment temperature satisfies T ring >=T and establish+4 ℃, in this way, then air-conditioner gets into the refrigeration mode operation, and this moment, compressor, outer blower fan normally moved, and inner blower is by minimum wind speed operation; As not, get into step S4;
Step S4: judge whether indoor environment temperature is eligible: T establishes+and 3 ℃<T ring<T establishes+and 4 ℃; In this way, then air-conditioner keeps the front running status, that is: air-conditioner gets into the refrigeration mode operation; Compressor, outer blower fan normally move at this moment, and inner blower is by minimum wind speed operation; As not, get into step S5;
Step S5: judge whether indoor environment temperature is eligible: T establishes+and 1 ℃≤T ring≤T establishes+and 3 ℃; In this way, then the method for operation of air-conditioner is: behind compressor and the outer blower fan synchronous operation first setting-up time section T1, and compressor and the synchronous second setting-up time section T2 out of service of outer blower fan; After compressor moves the first setting-up time section T1 synchronously once more with outer blower fan; Compressor and the synchronous once more second setting-up time section T2 out of service of outer blower fan, circulation repeatedly, inner blower is by low wind speed operation; As not, get into step S6;
Step S6: judge whether indoor environment temperature is eligible: T establishes<and T ring<T establishes+and 1 ℃, in this way, then air-conditioner keeps the front running status; That is: behind compressor and the outer blower fan synchronous operation first setting-up time section T1; Compressor and the synchronous second setting-up time section T2 out of service of outer blower fan, after compressor moves the first setting-up time section T1 synchronously once more with outer blower fan, compressor and the synchronous once more second setting-up time section T2 out of service of outer blower fan; Circulation repeatedly, inner blower is by low wind speed operation; As not, get into step S7;
Step S7: judge whether that indoor environment temperature T ring≤T establishes, in this way, stop the operation of compressor and outer blower fan, inner blower as not, then returns step S3 by minimum wind speed operation.
To sum up, the invention has the beneficial effects as follows:
Dehumidification mode control method under the air-conditioner worst cold case of the present invention has designed the cryogenic refrigeration dehumidification mode, and under the indoor low temperature situation, air-conditioner can normally be opened and carry out the dehumidifying order.In the temperature range scope of appointment, through the drive manner of control compressor, inner blower, outer blower fan, solve low temperature dehumidification weak effect problem, improve the comfortableness of using.
When air-conditioner gets under the worst cold case dehumidification mode, open a period of time after because indoor low temperature, evaporator evaporation temperature low (below 0 degree) is prone to frosting.Shut down after operation a period of time again, because compressor is not opened, do not freeze, have only interior machine blowing, because indoor temperature is higher than zero degree, the blowing of interior machine can melt the frost of evaporimeter.Therefore, can prevent the indoor evaporator frosting.
Description of drawings
Fig. 1 is the flow chart of dehumidification mode control method under the air-conditioner worst cold case of the present invention.
The specific embodiment
The invention discloses dehumidification mode control method under a kind of air-conditioner worst cold case, like Fig. 1: comprise the steps:
Step S1: air-conditioner gets into dehumidification mode under the worst cold case;
Step S2: air-conditioner confirms that automatically the set temperature value T of dehumidification mode under the worst cold case establishes;
Step S3: judge whether indoor environment temperature satisfies T ring >=T and establish+4 ℃, in this way, then air-conditioner gets into the refrigeration mode operation, and this moment, compressor, outer blower fan normally moved, and inner blower is by minimum wind speed operation; As not, get into step S4;
Step S4: judge whether indoor environment temperature is eligible: T establishes+and 3 ℃<T ring<T establishes+and 4 ℃; In this way, then air-conditioner keeps the front running status, that is: air-conditioner gets into the refrigeration mode operation; Compressor, outer blower fan normally move at this moment, and inner blower is by minimum wind speed operation; As not, get into step S5;
Step S5: judge whether indoor environment temperature is eligible: T establishes+and 1 ℃≤T ring≤T establishes+and 3 ℃; In this way, then the method for operation of air-conditioner is: behind compressor and the outer blower fan synchronous operation first setting-up time section T1, and compressor and the synchronous second setting-up time section T2 out of service of outer blower fan; After compressor moves the first setting-up time section T1 synchronously once more with outer blower fan; Compressor and the synchronous once more second setting-up time section T2 out of service of outer blower fan, circulation repeatedly, inner blower is by low wind speed operation; As not, get into step S6;
Step S6: judge whether indoor environment temperature is eligible: T establishes<and T ring<T establishes+and 1 ℃, in this way, then air-conditioner keeps the front running status; That is: behind compressor and the outer blower fan synchronous operation first setting-up time section T1; Compressor and the synchronous second setting-up time section T2 out of service of outer blower fan, after compressor moves the first setting-up time section T1 synchronously once more with outer blower fan, compressor and the synchronous once more second setting-up time section T2 out of service of outer blower fan; Circulation repeatedly, inner blower is by low wind speed operation; As not, get into step S7;
Step S7: judge whether that indoor environment temperature T ring≤T establishes, in this way, stop the operation of compressor and outer blower fan, inner blower as not, then returns step S3 by minimum wind speed operation.
Between said step S5 and step S6, also comprise step S51:
As in carrying out step S5 process, indoor environment temperature does not satisfy T to be established+1 ℃≤T ring≤T establishes+3 ℃, judge whether to satisfy T to establish+3 ℃<T ring<T establishes+and 4 ℃; In this way; Continue the method for operation of execution in step S5, promptly behind compressor and the outer blower fan synchronous operation first setting-up time section T1, compressor and outer blower fan be the second setting-up time section T2 out of service synchronously; After compressor moves the first setting-up time section T1 synchronously once more with outer blower fan; Compressor and the synchronous once more second setting-up time section T2 out of service of outer blower fan, circulation repeatedly, inner blower is by low wind speed operation; As not, then return step S3.
After said step S7, also comprise step S8:
In carrying out step S7 process, do not satisfy T ring≤T like indoor environment temperature and establish, judge whether to satisfy T to establish<T ring<T establishes+and 1 ℃, in this way, still the execution in step S7 method of operation promptly stops the operation of compressor and outer blower fan, and inner blower moves by minimum wind speed; As not, then return step S3.The purpose that increases step S51 and S8 is that reduce the startup-shutdown number of times of compressor, such benefit is as far as possible: a, because of the power of compressor start moment can be very high, and minimizing startup-shutdown number of times can reduce power consumption; B, minimizing startup-shutdown number of times can reduce the wearing and tearing of compressor, the service life of improving compressor.
Can increase simultaneously the continuity of operation of air conditioner, reduce the fluctuation of indoor temperature, improve comfortableness.
Among the said step S1, air-conditioner gets into dehumidification mode under the worst cold case through remote controller or panel button.
Set temperature value T establishes=and 12 ℃.
Among said step S5, the step S6, the first setting-up time section T1 is 6 minutes, and the second setting-up time section T2 is 4 minutes.
Among said step S5, the step S6, when compressor and outer blower fan synchronous operation, outer blower fan is mode operation at full speed.
Above-mentionedly open that to stop 4 minutes in 6 minutes be the data that draw through experiment, if mainly be to consider that 1 available machine time is oversize, downtime is too short, and indoor long period refrigeration can reduce indoor temperature, influences comfortableness; If 2 available machine times are too short, can influence effect on moisture extraction.
Above-mentioned listed concrete implementation is nonrestrictive, to one skilled in the art, is not departing from the scope of the invention, and various improvement and the variation carried out all belong to protection scope of the present invention.

Claims (7)

1. dehumidification mode control method under the air-conditioner worst cold case is characterized in that: comprise the steps:
Step S1: air-conditioner gets into dehumidification mode under the worst cold case;
Step S2: air-conditioner confirms that automatically the set temperature value T of dehumidification mode under the worst cold case establishes;
Step S3: judge whether indoor environment temperature satisfies T ring >=T and establish+4 ℃, in this way, then air-conditioner gets into the refrigeration mode operation, and this moment, compressor, outer blower fan normally moved, and inner blower is by minimum wind speed operation; As not, get into step S4;
Step S4: judge whether indoor environment temperature is eligible: T establishes+and 3 ℃<T ring<T establishes+and 4 ℃; In this way, then air-conditioner keeps the front running status, that is: air-conditioner gets into the refrigeration mode operation; Compressor, outer blower fan normally move at this moment, and inner blower is by minimum wind speed operation; As not, get into step S5;
Step S5: judge whether indoor environment temperature is eligible: T establishes+and 1 ℃≤T ring≤T establishes+and 3 ℃; In this way, then the method for operation of air-conditioner is: behind compressor and the outer blower fan synchronous operation first setting-up time section T1, and compressor and the synchronous second setting-up time section T2 out of service of outer blower fan; After compressor moves the first setting-up time section T1 synchronously once more with outer blower fan; Compressor and the synchronous once more second setting-up time section T2 out of service of outer blower fan, circulation repeatedly, inner blower is by low wind speed operation; As not, get into step S6;
Step S6: judge whether indoor environment temperature is eligible: T establishes<and T ring<T establishes+and 1 ℃, in this way, then air-conditioner keeps the front running status; That is: behind compressor and the outer blower fan synchronous operation first setting-up time section T1; Compressor and the synchronous second setting-up time section T2 out of service of outer blower fan, after compressor moves the first setting-up time section T1 synchronously once more with outer blower fan, compressor and the synchronous once more second setting-up time section T2 out of service of outer blower fan; Circulation repeatedly, inner blower is by low wind speed operation; As not, get into step S7;
Step S7: judge whether that indoor environment temperature T ring≤T establishes, in this way, stop the operation of compressor and outer blower fan, inner blower as not, then returns step S3 by minimum wind speed operation.
2. dehumidification mode control method under the air-conditioner worst cold case according to claim 1 is characterized in that: between said step S5 and step S6, also comprise step S51:
As in carrying out step S5 process, indoor environment temperature does not satisfy T to be established+1 ℃≤T ring≤T establishes+3 ℃, judge whether to satisfy T to establish+3 ℃<T ring<T establishes+and 4 ℃; In this way; Continue the method for operation of execution in step S5, promptly behind compressor and the outer blower fan synchronous operation first setting-up time section T1, compressor and outer blower fan be the second setting-up time section T2 out of service synchronously; After compressor moves the first setting-up time section T1 synchronously once more with outer blower fan; Compressor and the synchronous once more second setting-up time section T2 out of service of outer blower fan, circulation repeatedly, inner blower is by low wind speed operation; As not, then return step S3.
3. dehumidification mode control method under the air-conditioner worst cold case according to claim 2 is characterized in that: after said step S7, also comprise step S8:
In carrying out step S7 process, do not satisfy T ring≤T like indoor environment temperature and establish, judge whether to satisfy T to establish<T ring<T establishes+and 1 ℃, in this way, still the execution in step S7 method of operation promptly stops the operation of compressor and outer blower fan, and inner blower moves by minimum wind speed; As not, then return step S3.
4. dehumidification mode control method under the air-conditioner worst cold case according to claim 1 is characterized in that: among the said step S1, air-conditioner gets into dehumidification mode under the worst cold case through remote controller or panel button.
5. dehumidification mode control method under the air-conditioner worst cold case according to claim 1 is characterized in that: set temperature value T establishes=and 12 ℃.
6. dehumidification mode control method under the air-conditioner worst cold case according to claim 1 is characterized in that: among said step S5, the step S6, the first setting-up time section T1 is 6 minutes, and the second setting-up time section T2 is 4 minutes.
7. dehumidification mode control method under the air-conditioner worst cold case according to claim 1 is characterized in that: among said step S5, the step S6, when compressor and outer blower fan synchronous operation, outer blower fan is mode operation at full speed.
CN201110061263.XA 2011-03-15 2011-03-15 Dehumidification mode control method of air conditioner under low-temperature working condition Active CN102679490B (en)

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Cited By (9)

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CN104697116A (en) * 2015-03-06 2015-06-10 美的集团武汉制冷设备有限公司 Control method of air conditioner, control system of air conditioner, and air conditioner
CN109425070A (en) * 2017-08-24 2019-03-05 宁波奥克斯电气股份有限公司 A kind of air conditioner dehumidification method
CN110440403A (en) * 2019-07-19 2019-11-12 珠海格力电器股份有限公司 Dehumidification control method and device suitable for various weather conditions and air conditioning equipment
CN110762782A (en) * 2019-12-30 2020-02-07 宁波奥克斯电气股份有限公司 Low-temperature dehumidification control method and device and air conditioner
CN111189105A (en) * 2020-01-09 2020-05-22 海信(广东)空调有限公司 Dehumidification control system of air conditioner and air conditioner
CN112229041A (en) * 2020-10-13 2021-01-15 日立楼宇技术(广州)有限公司 Air conditioner control method and device, computer equipment and storage medium
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device
CN114151917A (en) * 2021-11-19 2022-03-08 宁波奥克斯电气股份有限公司 Low-temperature dehumidification control method and device for air conditioner and air conditioner

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CN1427217A (en) * 2001-12-18 2003-07-02 乐金电子(天津)电器有限公司 Temperature setting and dehumidify operating mode of air conditioner
JP2009236373A (en) * 2008-03-26 2009-10-15 Sharp Corp Integrated air conditioner
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EP2148147A2 (en) * 2008-07-22 2010-01-27 Samsung Electronics Co., Ltd. Method of controlling air conditioner
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104697116B (en) * 2015-03-06 2018-03-27 美的集团武汉制冷设备有限公司 The control method of air conditioner, the control system of air conditioner and air conditioner
CN104697116A (en) * 2015-03-06 2015-06-10 美的集团武汉制冷设备有限公司 Control method of air conditioner, control system of air conditioner, and air conditioner
CN109425070A (en) * 2017-08-24 2019-03-05 宁波奥克斯电气股份有限公司 A kind of air conditioner dehumidification method
CN109425070B (en) * 2017-08-24 2021-04-27 宁波奥克斯电气股份有限公司 Air conditioner dehumidification method
US11919363B2 (en) 2017-08-25 2024-03-05 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device
US11254183B2 (en) 2017-08-25 2022-02-22 Dometic Sweden Ab Recreational vehicle, cooling device, controlling system and method for controlling the cooling device
US10941955B2 (en) 2017-10-27 2021-03-09 Dometic Sweden Ab Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle
CN110440403A (en) * 2019-07-19 2019-11-12 珠海格力电器股份有限公司 Dehumidification control method and device suitable for various weather conditions and air conditioning equipment
CN110762782B (en) * 2019-12-30 2020-04-24 宁波奥克斯电气股份有限公司 Low-temperature dehumidification control method and device and air conditioner
CN110762782A (en) * 2019-12-30 2020-02-07 宁波奥克斯电气股份有限公司 Low-temperature dehumidification control method and device and air conditioner
CN111189105A (en) * 2020-01-09 2020-05-22 海信(广东)空调有限公司 Dehumidification control system of air conditioner and air conditioner
CN112229041A (en) * 2020-10-13 2021-01-15 日立楼宇技术(广州)有限公司 Air conditioner control method and device, computer equipment and storage medium
CN114151917A (en) * 2021-11-19 2022-03-08 宁波奥克斯电气股份有限公司 Low-temperature dehumidification control method and device for air conditioner and air conditioner

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