CN102679490B - Control method of dehumidification mode of air conditioner under low-temperature working condition - Google Patents
Control method of dehumidification mode of air conditioner under low-temperature working condition Download PDFInfo
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Abstract
The invention provides a control method of a dehumidification mode of an air conditioner under low-temperature working condition. Under the condition of low temperature indoors, an air conditioner can be started up to execute a dehumidification command, and the problem of poor dehumidification effect at low temperature is solved. After the air conditioner enters into the dehumidification mode under the working condition of low temperature, the set temperature value T of the dehumidification mode under the working condition of low temperature is determined automatically; if T(environment temperature value) is larger than or equal to T (set temperature value) + 4 DEG C, the air conditioner enters into the refrigeration mode to run; if T(environment temperature value) is greater than T (set temperature value) + 3 DEG C and is smaller than T (set temperature value) + 4 DEG C, the air conditioner keeps the previous running state; T(environment temperature value) is larger than or equal to T (set temperature value) + 1 DEG C and smaller than or equal to T (set temperature value) + 3 DEG C, the running mode of the air conditioner is as follows: after a compressor and an outer fan run synchronously for the first set time section T1, the compressor and the outer fan stop running synchronously for the second setting time section T2, the operation is recycled repeatedly, and an inner fan runs at low air speed; and if T(environment temperature value) is larger than T (set temperature value) and smaller than T (set temperature value) + 1 DEG C, the air conditioner keeps the previous running state; and T(environment temperature value) is smaller than or equal to T (set temperature value), the compressor and the outer fan stop, and the inner fan runs at the lowest air speed.
Description
Technical field
The invention belongs to refrigeration and electroporation field, be specifically related to dehumidification mode control method under air-conditioner worst cold case.
Background technology
It is 16 DEG C of above operating modes that air-conditioner dehumidification operating mode is applicable to indoor temperature conventionally; and in fact; especially southern area; the annual time that always has one section of low temperature and moisture; at this moment indoor temperature is lower than 16 DEG C, 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 is during lower than 16 DEG C, if humidity is very high, existing air-conditioning can not be carried out dehumidification function, affects comfortableness; If but under this operating mode, force to carry out dehumidifying under cryogenic conditions, because 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, in indoor low temperature situation, air-conditioning can normally be opened and carry out dehumidifying order, has solved low temperature dehumidification weak effect problem.
The present invention is achieved through the following technical solutions:
Dehumidification mode control method under air-conditioner worst cold case, is characterized in that: comprise the steps:
Step S1: air-conditioner enters dehumidification mode under worst cold case;
Step S2: air-conditioner determines that the set temperature value T of dehumidification mode under worst cold case establishes automatically;
Step S3: judge whether indoor environment temperature meets T ring >=T and establish+4 DEG C, in this way, air-conditioner enters refrigeration mode operation, and now compressor, outer blower fan normally move, and inner blower is by minimum wind speed operation; As no, enter step S4;
Step S4: judge that whether indoor environment temperature is eligible: T establishes+and 3 DEG C of < T ring < T establish+and 4 DEG C, in this way, air-conditioner keeps running status above, that is: air-conditioner enters refrigeration mode operation, now compressor, outer blower fan normally move, and inner blower is by minimum wind speed operation; As no, enter step S5;
Step S5: judge that whether indoor environment temperature is eligible: establish+1 DEG C≤T of T ring≤T establishes+and 3 DEG C, in this way, the method of operation of air-conditioner is: after compressor and outer blower fan synchronous operation the first setting-up time section T1, synchronous the second setting-up time section T2 out of service of compressor and outer blower fan, compressor and outer blower fan synchronously move after the first setting-up time section T1 again, compressor and outer blower fan be synchronous the second setting-up time section T2 out of service again, iterative cycles, and inner blower is by low wind speed operation; As no, enter step S6;
Step S6: judge that whether indoor environment temperature is eligible: T establishes < T ring < T and establishes+and 1 DEG C, in this way, air-conditioner keeps running status above, that is: after compressor and outer blower fan synchronous operation the first setting-up time section T1, synchronous the second setting-up time section T2 out of service of compressor and outer blower fan, compressor and outer blower fan synchronously move after the first setting-up time section T1 again, compressor and outer blower fan be synchronous the second setting-up time section T2 out of service again, iterative cycles, inner blower is by low wind speed operation; As no, enter 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, by minimum wind speed operation, as no, returns to step S3.
To sum up, the invention has the beneficial effects as follows:
Dehumidification mode control method under air-conditioner worst cold case of the present invention, has designed cryogenic refrigeration dehumidification mode, and in indoor low temperature situation, air-conditioner can normally be opened and carry out dehumidifying order.Within the scope of the temperature range of specifying, by controlling the drive manner of compressor, inner blower, outer blower fan, solve low temperature dehumidification weak effect problem, improve the comfortableness using.
In the time that air-conditioner enters under worst cold case dehumidification mode, open after a period of time, due to indoor low temperature, easily frosting of evaporator evaporation temperature low (0 degree is following).After operation a period of time, shut down again, because compressor is not opened, do not freeze, only have 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 indoor evaporator frosting.
Brief description of the drawings
Fig. 1 is the flow chart of dehumidification mode control method under air-conditioner worst cold case of the present invention.
Detailed description of the invention
The invention discloses dehumidification mode control method under a kind of air-conditioner worst cold case, as Fig. 1: comprise the steps:
Step S1: air-conditioner enters dehumidification mode under worst cold case;
Step S2: air-conditioner determines that the set temperature value T of dehumidification mode under worst cold case establishes automatically;
Step S3: judge whether indoor environment temperature meets T ring >=T and establish+4 DEG C, in this way, air-conditioner enters refrigeration mode operation, and now compressor, outer blower fan normally move, and inner blower is by minimum wind speed operation; As no, enter step S4;
Step S4: judge that whether indoor environment temperature is eligible: T establishes+and 3 DEG C of < T ring < T establish+and 4 DEG C, in this way, air-conditioner keeps running status above, that is: air-conditioner enters refrigeration mode operation, now compressor, outer blower fan normally move, and inner blower is by minimum wind speed operation; As no, enter step S5;
Step S5: judge that whether indoor environment temperature is eligible: establish+1 DEG C≤T of T ring≤T establishes+and 3 DEG C, in this way, the method of operation of air-conditioner is: after compressor and outer blower fan synchronous operation the first setting-up time section T1, synchronous the second setting-up time section T2 out of service of compressor and outer blower fan, compressor and outer blower fan synchronously move after the first setting-up time section T1 again, compressor and outer blower fan be synchronous the second setting-up time section T2 out of service again, iterative cycles, and inner blower is by low wind speed operation; As no, enter step S6;
Step S6: judge that whether indoor environment temperature is eligible: T establishes < T ring < T and establishes+and 1 DEG C, in this way, air-conditioner keeps running status above, that is: after compressor and outer blower fan synchronous operation the first setting-up time section T1, synchronous the second setting-up time section T2 out of service of compressor and outer blower fan, compressor and outer blower fan synchronously move after the first setting-up time section T1 again, compressor and outer blower fan be synchronous the second setting-up time section T2 out of service again, iterative cycles, inner blower is by low wind speed operation; As no, enter 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, by minimum wind speed operation, as no, returns to step S3.
Between described step S5 and step S6, also comprise step S51:
As carrying out in step S5 process, indoor environment temperature does not meet T, and establish+1 DEG C≤T ring≤T establishes+and 3 DEG C, judge whether to meet T to establish+3 DEG C of < T ring < T establishes+and 4 DEG C, in this way, continue the method for operation of execution step S5, after being compressor and outer blower fan synchronous operation the first setting-up time section T1, synchronous the second setting-up time section T2 out of service of compressor and outer blower fan, compressor and outer blower fan synchronously move after the first setting-up time section T1 again, compressor and outer blower fan be synchronous the second setting-up time section T2 out of service again, iterative cycles, inner blower is by low wind speed operation, as no, return to step S3.
After described step S7, also comprise step S8:
Carrying out in step S7 process, as not meeting T ring≤T, establishes indoor environment temperature, judge whether to meet T to establish < T ring < T and establish+1 DEG C, in this way, still perform step the S7 method of operation, stop the operation of compressor and outer blower fan, inner blower is by minimum wind speed operation; As no, return to step S3.The object that increases step S51 and S8 is, reduce the startup-shutdown number of times of compressor, such benefit is as far as possible: a, because the power of compressor booting moment can be very high, reduces startup-shutdown number of times and 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 the continuity of operation of air conditioner, reduce the fluctuation of indoor temperature, improve comfortableness simultaneously.
In described step S1, air-conditioner enters dehumidification mode under worst cold case by remote controller or panel button.
Set temperature value T establishes=and 12 DEG C.
In described step S5, step S6, the first setting-up time section T1 is 6 minutes, and the second setting-up time section T2 is 4 minutes.
In described step S5, step S6, when compressor and outer blower fan synchronous operation, outer blower fan is mode operation at full speed.
Above-mentionedly open that within 6 minutes, to stop 4 minutes be the data that draw by experiment, if be mainly to consider that 1 available machine time is oversize, downtime is too short, and indoor long period refrigeration, can reduce indoor temperature, affects comfortableness; If 2 available machine times are too short, can affect effect on moisture extraction.
Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, not departing from the scope of the invention, the various modifications and variations of carrying out, all belong to protection scope of the present invention.
Claims (7)
1. dehumidification mode control method under air-conditioner worst cold case, is characterized in that: comprise the steps:
Step S1: air-conditioner enters dehumidification mode under worst cold case;
Step S2: air-conditioner determines that the set temperature value T of dehumidification mode under worst cold case establishes automatically;
Step S3: judge whether indoor environment temperature T ring meets T ring >=T and establish+4 DEG C, in this way, air-conditioner enters refrigeration mode operation, and now compressor, outer blower fan normally move, and inner blower moves by minimum wind speed; As no, enter step S4;
Step S4: judge whether indoor environment temperature T ring is eligible: T establishes+and 3 DEG C of < T ring < T establish+and 4 DEG C, in this way, air-conditioner keeps running status above, that is: air-conditioner enters refrigeration mode operation, now compressor, outer blower fan normally move, and inner blower is by minimum wind speed operation; As no, enter step S5;
Step S5: judge whether indoor environment temperature T ring is eligible: establish+1 DEG C≤T of T ring≤T establishes+and 3 DEG C, in this way, the method of operation of air-conditioner is: after compressor and outer blower fan synchronous operation the first setting-up time section T1, synchronous the second setting-up time section T2 out of service of compressor and outer blower fan, compressor and outer blower fan synchronously move after the first setting-up time section T1 again, compressor and outer blower fan be synchronous the second setting-up time section T2 out of service again, iterative cycles, and inner blower is by low wind speed operation; As no, enter step S6;
Step S6: judge whether indoor environment temperature T ring is eligible: T establishes < T ring < T and establishes+and 1 DEG C, in this way, air-conditioner keeps running status above, that is: after compressor and outer blower fan synchronous operation the first setting-up time section T1, synchronous the second setting-up time section T2 out of service of compressor and outer blower fan, compressor and outer blower fan synchronously move after the first setting-up time section T1 again, compressor and outer blower fan be synchronous the second setting-up time section T2 out of service again, iterative cycles, inner blower is by low wind speed operation; As no, enter 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, by minimum wind speed operation, as no, returns to step S3.
2. dehumidification mode control method under air-conditioner worst cold case according to claim 1, is characterized in that: between described step S5 and step S6, also comprise step S51:
As carrying out in step S5 process, indoor environment temperature T ring does not meet T, and establish+1 DEG C≤T ring≤T establishes+and 3 DEG C, judge whether to meet T to establish+3 DEG C of < T ring < T establishes+and 4 DEG C, in this way, continue the method for operation of execution step S5, after being compressor and outer blower fan synchronous operation the first setting-up time section T1, synchronous the second setting-up time section T2 out of service of compressor and outer blower fan, compressor and outer blower fan synchronously move after the first setting-up time section T1 again, compressor and outer blower fan be synchronous the second setting-up time section T2 out of service again, iterative cycles, inner blower is by low wind speed operation, as no, return to step S3.
3. dehumidification mode control method under air-conditioner worst cold case according to claim 2, is characterized in that: after described step S7, also comprise step S8:
Carrying out in step S7 process, as not meeting T ring≤T, establishes on indoor environment temperature T ring, judge whether to meet T to establish < T ring < T and establish+1 DEG C, in this way, still perform step the S7 method of operation, stop the operation of compressor and outer blower fan, inner blower is by minimum wind speed operation; As no, return to step S3.
4. dehumidification mode control method under air-conditioner worst cold case according to claim 1, is characterized in that: in described step S1, air-conditioner enters dehumidification mode under worst cold case by remote controller or panel button.
5. dehumidification mode control method under air-conditioner worst cold case according to claim 1, is characterized in that: set temperature value T establishes=and 12 DEG C.
6. dehumidification mode control method under air-conditioner worst cold case according to claim 1, is characterized in that: in described step S5, 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 air-conditioner worst cold case according to claim 1, is characterized in that: in described step S5, step S6, when compressor and outer blower fan synchronous operation, outer blower fan is mode operation at full speed.
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| 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 |
| 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 |
| DE102017214941A1 (en) | 2017-08-25 | 2019-02-28 | Dometic Sweden Ab | Recreational vehicle, cooling device, control system and method of controlling the cooling device |
| WO2019082168A1 (en) | 2017-10-27 | 2019-05-02 | 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 | A kind of dehumidification control method adapting to a variety of weather conditions, device 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 |
| 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 |
| CN112229041B (en) * | 2020-10-13 | 2022-03-15 | 日立楼宇技术（广州）有限公司 | Air conditioner control method and device, computer equipment and storage medium |
| CN114151917B (en) * | 2021-11-19 | 2022-12-02 | 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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