CN104061660A - Dehumidification control method and system - Google Patents
Dehumidification control method and system Download PDFInfo
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- CN104061660A CN104061660A CN201410337242.XA CN201410337242A CN104061660A CN 104061660 A CN104061660 A CN 104061660A CN 201410337242 A CN201410337242 A CN 201410337242A CN 104061660 A CN104061660 A CN 104061660A
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Abstract
The invention provides a dehumidification control method and system which are applied to electric appliances which have a dehumidification function. According to the method and system, the electric appliances which have the dehumidification function judge whether preset relative humidity is lower than the relative humidity of the environment after receiving a dehumidification command sent by a user during operation, only draught fans of the electric appliances operate if not, whether the current temperature meets a preset dehumidification temperature condition is further judged if yes, compressors are started if yes, and only the draught fans of the electric appliances operate if no. Under the condition that both the compressors and the draught fans operate, the intra-tube temperature of a dehumidification part and the dew point temperature corresponding to the indoor environment are detected at intervals of t1, dehumidification is continued if it is detected that the intra-tube temperature of the dehumidification part is lower than the dew point temperature corresponding to the indoor environment, and if it is detected that the intra-tube temperature is higher than the dew point temperature for a period of t2, the dehumidification effect is invalid, dehumidification is stopped, and then electric energy is saved.
Description
Technical field
The application relates to household electrical appliance technical field, more particularly, relates to a kind of dehumidification control method and system.
Background technology
In the existing household electrical appliances with dehumidification function, start/stop of compressor control is all that the air humidity detecting according to its humidity sensor is controlled, as long as detect that the default humidity value that air humidity exceedes these household electrical appliances starts to dehumidify, but in some situation, for example, even if air humidity also cannot dehumidify while exceeding default humidity value, in the time that dehumidifying Guan Wen partly exceedes dew-point temperature corresponding to environment temperature.Will cause like this waste of electric energy.
Summary of the invention
In view of this, the invention provides a kind of dehumidification control method and system, be applied in the household electrical appliances with dehumidification function, to save electric energy.
To achieve these goals, the existing scheme proposing is as follows:
A kind of dehumidification control method, is applied in the household electrical appliances with dehumidification function, comprises the steps:
In the time that described household electrical appliances are received dehumidifying order, whether the default relative humidity of judgement is less than envionmental humidity;
As described in default relative humidity be greater than as described in envionmental humidity, only move the blower fan of described household electrical appliances;
As described in default relative humidity be less than as described in envionmental humidity, judge that whether Current Temperatures meets default dehumidifying temperature conditions;
As described in Current Temperatures do not meet the described default temperature conditions that dehumidifies, only move described blower fan;
As described in meeting, preset dehumidifying condition, move the compressor of blower fan and described household electrical appliances;
After compressor and blower fan all bring into operation, whether the inner tube temperature that judges described household electrical appliances every the t1 time is higher than current dew-point temperature;
As described in inner tube temperature higher than current dew-point temperature, judge whether the continuous t2 time;
As t2 time continuously, continue to judge that every the t1 time whether described inner tube temperature is higher than current dew-point temperature;
As described in the continuous t2 time inner tube temperature higher than as described in current dew-point temperature, close described compressor.
Preferably, describedly judge that whether Current Temperatures meets default dehumidifying temperature conditions, comprising:
Whether meet indoor temperature and be greater than 5 degrees Celsius and be less than 33 degrees Celsius, and outdoor temperature is less than 37 degrees Celsius.
Preferably, closing after described compressor, also comprising:
After three minutes, judge whether described envionmental humidity is greater than 65%;
As be greater than 65% and judge whether Current Temperatures meets default dehumidifying condition step as described in returning;
As be less than 65% and continue judge the whether lasting t1 time of close compressor;
Turn back to described judge Current Temperatures and the whether satisfied dehumidifying condition step of presetting of humidity as continued the t1 time; The described t1 time is greater than three minutes.
A kind of dehumidification control system, is applied in the household electrical appliances with dehumidification function, comprising:
The first judge module, while dehumidifying order for receiving at described household electrical appliances running, whether the default relative humidity of judgement is less than envionmental humidity;
Control module, for as described in default relative humidity be greater than as described in envionmental humidity, only move the blower fan of described household electrical appliances;
The second judge module, for as described in preset temperature condition be less than as described in envionmental humidity, judge that whether Current Temperatures meets default dehumidifying temperature conditions;
Described control module also for as described in Current Temperatures do not meet the described default temperature conditions that dehumidifies, only move described blower fan; As pre-conditioned as described in meeting, move the compressor of described blower fan and described household electrical appliances;
The 3rd judge module, under the condition of all moving at described blower fan and described compressor, whether the inner tube temperature that judges described household electrical appliances every the t1 time is higher than current dew-point temperature;
The 4th judge module, for as described in inner tube temperature during higher than current dew-point temperature, judge whether the continuous t2 time; As t2 time continuously, control described the 3rd judge module and continue to judge that every the t1 time whether described inner tube temperature is higher than current dew-point temperature;
Control module also for inner tube temperature as described in the continuous t2 time higher than as described in current dew-point temperature, close described compressor.
Preferably, described default compressor start up condition comprises:
Indoor temperature is greater than 5 degrees Celsius and be less than 33 degrees Celsius, and outdoor temperature is less than 37 degrees Celsius.
Preferably, also comprise:
The 5th judge module, for judging after three minutes whether described envionmental humidity is greater than 65% closing described compressor and described blower fan; As be greater than the second judge module as described in 65% control and judge whether Current Temperatures meets default dehumidifying temperature conditions;
The 6th judge module, for continuing to judge as being less than 65% whether close compressor continues the t1 time; As continue the t1 time control as described in the second judge module judge that whether Current Temperatures meets the dehumidifying condition of presetting; The described t1 time is greater than three minutes.
There are household electrical appliances for dehumidification function, be provided with the dehumidification control system as described in claim 4～6 any one.
Preferably, described household electrical appliances comprise separating domestic dehumidifier or Split-type cold/heat air conditioner.
Can find out from technique scheme, the application provides a kind of dehumidification control method and system being applied in the household electrical appliances with dehumidification function, the method and system for the household electrical appliances thering is dehumidification function in the time that running receives the dehumidifying order that user sends, whether the default relative humidity of first judgement is less than envionmental humidity, if not, only move the blower fan of household electrical appliances, if, further judge whether Current Temperatures meets default dehumidifying temperature conditions, if, open compressor, if not, continue only to move the blower fan of these household electrical appliances.Under the condition that compressor and blower fan all move, every the magnitude relationship of dew-point temperature corresponding to the gentle indoor environment of inner tube of t1 time detecting dehumidifying part, if detect, the inner tube temperature of dehumidifying part is lower than dew-point temperature corresponding to indoor environment, continue operation dehumidifying, if inner tube temperature is higher than dew-point temperature and lasting t2 time, do not there is effect on moisture extraction, now dehumidifying out of service, thus can reach the object of saving electric energy.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The flow chart of a kind of dehumidification control method that Fig. 1 provides for the embodiment of the present application;
The flow chart of a kind of dehumidification control method that Fig. 2 provides for another embodiment of the application;
The structure chart of a kind of dehumidification control system that Fig. 3 provides for the another embodiment of the application;
The structure chart of a kind of dehumidification control system that Fig. 4 provides for the another embodiment of the application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
The flow chart of a kind of dehumidification control method that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, the dehumidification control method that is applied to the household electrical appliances with dehumidification function that the present embodiment provides comprises the steps:
S101: judge the default RH environment that whether is less than of RH.
In running, receive when order dehumidifying when thering are the household electrical appliances of dehumidification function, first the default relative humidity RH of judgement
defaultwhether be less than envionmental humidity RH
environment, this default ambient humidity is set by control command.
S102: operation blower fan.
In the time that default relative humidity is greater than envionmental humidity, only move the blower fan of these household electrical appliances.
S103: judge whether Current Temperatures meets default compressor start up condition.
Current Temperatures is judged, judge whether it meets default dehumidifying condition.So-called default dehumidifying condition, the present embodiment is preferably greater than 5 degrees Celsius and be less than 33 degrees Celsius when indoor temperature, and outdoor temperature is while being less than 37 degrees Celsius, is defined as meeting default dehumidifying condition.If meet, execution step S104.
S104: operation compressor and blower fan.
In the time that Current Temperatures and humidity meet default dehumidifying condition simultaneously, move compressor and the blower fan of these household electrical appliances, indoor air is dehumidified.
S105: judge that every the t1 time whether Guan Wen is higher than dew-point temperature.
The in the situation that of this family's electric-opening compressor and blower fan, at set intervals, the t1 time to the Guan Wen of dehumidifying part whether higher than dew-point temperature corresponding to environment temperature.If not higher than this dew-point temperature, continue again to judge every the t1 time.This t1 time is the period of presetting, and in general t1 is greater than 3 seconds.
S106: whether continuously t2 time.
Judge whether Guan Wen continues the t2 time higher than this dew-point temperature, and the t2 time is also the time period of presetting.If be returned to again below this dew-point temperature in t2 time inner tube temperature, return to step S105.
S107: compressor out of service.
In the time that Guan Wen also continues default time t2 higher than this dew-point temperature, the compressor of these household electrical appliances out of service.Because at this moment the Guan Wen of the dehumidifying part of household electrical appliances, higher than dew-point temperature corresponding to indoor environment temperature, can not dehumidify effectively, continue the waste that operation can cause electric energy.
Can find out from technique scheme, the application provides a kind of dehumidification control method being applied in the household electrical appliances with dehumidification function, the method for the household electrical appliances thering is dehumidification function in the time that running receives the dehumidifying order that user sends,
First whether the default relative humidity of judgement is less than envionmental humidity, if otherwise only move the blower fan of household electrical appliances, if, further judge that whether Current Temperatures meets default dehumidifying temperature conditions, if so, opens compressor, if not, continue only to move the blower fan of these household electrical appliances.When under the condition that compressor and blower fan all move, every the magnitude relationship of dew-point temperature corresponding to the gentle indoor environment of inner tube of t1 time detecting dehumidifying part, if detect, the inner tube temperature of dehumidifying part is lower than dew-point temperature corresponding to indoor environment, continue operation dehumidifying, if detect, inner tube temperature is higher than dew-point temperature and lasting t2 time, do not there is effect on moisture extraction, now dehumidifying out of service, thus can reach the object of saving electric energy.
Embodiment bis-
The flow chart of a kind of dehumidification control method that Fig. 2 provides for the another embodiment of the application.
As shown in Figure 2, the present embodiment provides a kind of dehumidification control method that is applied to the household electrical appliances with dehumidification function, comprises the steps:
S201: judge the default RH environment that whether is less than of RH.
In running, receive when order dehumidifying when thering are the household electrical appliances of dehumidification function, first the default relative humidity RH of judgement
defaultwhether be less than envionmental humidity RH
environment, this default ambient humidity is set by control command.
S202: operation blower fan.
In the time that default relative humidity is greater than envionmental humidity, only move the blower fan of these household electrical appliances.
S203: judge whether Current Temperatures meets default dehumidifying temperature conditions.
Current Temperatures is judged, judge whether it meets default dehumidifying temperature conditions.So-called default dehumidifying condition, the present embodiment is preferably greater than 5 degrees Celsius and be less than 33 degrees Celsius when indoor temperature, and outdoor temperature is while being less than 37 degrees Celsius, is defined as meeting default dehumidifying temperature conditions.If meet, execution step S204.
S204: operation compressor and blower fan.
In the time of Current Temperatures and the satisfied default dehumidifying condition of humidity, move compressor and the blower fan of these household electrical appliances, indoor air is dehumidified.
S205: judge that every the t1 time whether Guan Wen is higher than dew-point temperature.
The in the situation that of this household electrical appliances operation compressor and blower fan, at set intervals, the t1 time to the Guan Wen of dehumidifying part whether higher than dew-point temperature corresponding to environment temperature.If not higher than this dew-point temperature, continue again to judge every the t1 time.This t1 time is the period of presetting, and in general t1 is greater than 3 seconds.
S206: whether continuously t2 time.
Judge whether Guan Wen continues the t2 time higher than this dew-point temperature, and the t2 time is also the time period of presetting.If be returned to again below this dew-point temperature in t2 time inner tube temperature, return to step S205.
S207: compressor out of service.
In the time that Guan Wen also continues default time t2 higher than this dew-point temperature, the compressor of these household electrical appliances out of service.
S208: judge after three minutes whether RH environment is greater than 65%.
When after close compressor, now only move blower fan.After three minutes, judge envionmental humidity RH
environmentwhether be greater than 65%, if be greater than 65% after three minutes, turn back to step S203, so that whether Current Temperatures is met to default dehumidifying condition judge.
S209: whether continuously t1 time.
If envionmental humidity is less than 65% after three minutes, testing environment relative humidity again after compressor is fully parked with the t1 time, if after the t1 time, humidity is greater than 65%, returns to S203, if after the t1 time, humidity is still less than 65%, after waiting compressor to be fully parked with again the t1 time, continue testing environment relative humidity again, repeat this testing process, until reach compressor unlocking condition.
Embodiment tri-
The structure chart of a kind of dehumidification control system that Fig. 3 provides for the another embodiment of the application.
As shown in Figure 3, the dehumidification control system that is applied to the household electrical appliances with dehumidification function that the present embodiment provides comprises the first judge module 20, control module 10, the second judge module 30, the 3rd judge module 40 and the 4th judge module 50.
The first judge module 20 is for being in operation while receiving the Dehumidification controlling order of user input when having the household electrical appliances of dehumidification function, and whether the default relative humidity of judgement is less than envionmental humidity, and default relative humidity derives from Dehumidification controlling order.
Control module 10 for only moving the blower fan of these household electrical appliances in the time that the first judge module 20 judges that default relative humidity is greater than envionmental humidity.
The second judge module 30 for whether Current Temperatures being met to default dehumidifying temperature conditions in the time that the first judge module 20 judges that default relative humidity is less than envionmental humidity is judged.So-called default dehumidifying temperature conditions is for being greater than 5 and when being less than 33 facilities degree centigrade and outdoor temperature and being less than 37 degrees Celsius when indoor temperature.Meet above-mentioned condition and be defined as meeting default dehumidifying temperature conditions.
Compressor and blower fan that control module 10 is also controlled these household electrical appliances when judging that when the second judge module 30 Current Temperatures meets default dehumidifying temperature conditions completely move; In the time that the second judge module judges that Current Temperatures does not meet default dehumidifying temperature conditions, still only move the blower fan of these household electrical appliances.
The 3rd judge module 40 is under the condition of all moving at compressor and blower fan, judges that whether the Guan Wen of dehumidifying part of household electrical appliances is higher than current dew-point temperature every the t1 time; If do not continued judgement higher than pipe temperature.
The 4th judge module 50, for when the Guan Wen of dehumidifying part is during higher than current dew-point temperature, judges whether it continues the t2 time; As do not continued the t2 time, control the 3rd control module 40 and judge that every the t1 time whether Guan Wen is higher than current dew-point temperature.When the Guan Wen of dehumidifying part continues t2 time higher than this dew-point temperature, control module 10 is controlled compressor and is closed, and only stays fan operation.
Can find out from technique scheme, the present embodiment provides a kind of dehumidification control system being applied in the household electrical appliances with dehumidification function, this system comprises the first judge module, control module, the second judge module, whether the first judge module is less than envionmental humidity for presetting relative humidity when the judgement in the time that running receives the dehumidifying order that user sends of these household electrical appliances, if not, control module is only moved the blower fan of these household electrical appliances; If so, the second judge module further judges that whether Current Temperatures meets default dehumidifying condition, if so, opens compressor.If not, control module continues only to move the blower fan of these household electrical appliances; The 3rd judge module is for judging under the condition that compressor and blower fan all move, the magnitude relationship of the Guan Wenyu indoor environment dew-point temperature of dehumidifying part, the 4th judge module further judgement when dehumidifying Guan Wen is partly during higher than dew-point temperature, whether continue the t2 time, if continue the t2 time, household electrical appliances have not had effect on moisture extraction, cut off compressor, blower fan still remains in operation, thereby can reach the object of saving electric energy.
Embodiment tetra-
The structure chart of a kind of dehumidification control system that Fig. 4 provides for the another embodiment of the application.
As shown in Figure 4, the dehumidification control system that is applied to the household electrical appliances with dehumidification function that the present embodiment provides is on the basis of a upper embodiment, to have set up the 5th judge module 60 and the 6th judge module 70.
The 5th judge module 60 judges whether envionmental humidity is greater than 65% after continuing three minutes when control module 10 close compressor; As be greater than 65% and control the second judge module 30 and judge that whether Current Temperatures meets default dehumidifying condition.
The 6th judge module 70 is for judging in the time that envionmental humidity is less than 65% whether close compressor continues the t1 time; Judge whether current humidity meets default dehumidifying damp condition if continued t1 time first judge module 20, if, the second judge module 30 further judges whether Current Temperatures meets default dehumidifying condition, if, open compressor, otherwise be again fully parked with after the t1 time at compressor, the first judge module and the second judge module judge humidity and temperature again, repeat this detecting step, until compressor meets unlocking condition; The described t1 time is greater than three minutes.
Embodiment five
The present embodiment provides a kind of household electrical appliances with dehumidification function, and it is provided with the dehumidification control system that as above arbitrary embodiment provides.
These household electrical appliances with dehumidification function are separating domestic dehumidifier or Split-type cold/heat air conditioner.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the application.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the case of not departing from the application's spirit or scope, realize in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a dehumidification control method, is applied in the household electrical appliances with dehumidification function, it is characterized in that, comprises the steps:
In the time that described household electrical appliances are received dehumidifying order, whether the default relative humidity of judgement is less than envionmental humidity;
As described in default relative humidity be greater than as described in envionmental humidity, only move the blower fan of described household electrical appliances;
As described in default relative humidity be less than as described in envionmental humidity, judge that whether Current Temperatures meets default dehumidifying temperature conditions;
As described in Current Temperatures do not meet the described default temperature conditions that dehumidifies, only move described blower fan;
As described in meeting, preset dehumidifying condition, move the compressor of blower fan and described household electrical appliances;
After compressor and blower fan all bring into operation, whether the inner tube temperature that judges described household electrical appliances every the t1 time is higher than current dew-point temperature;
As described in inner tube temperature higher than current dew-point temperature, judge whether the continuous t2 time;
As t2 time continuously, continue to judge that every the t1 time whether described inner tube temperature is higher than current dew-point temperature;
As described in the continuous t2 time inner tube temperature higher than as described in current dew-point temperature, close described compressor.
2. dehumidification control method as claimed in claim 1, is characterized in that, describedly judges that whether Current Temperatures meets default dehumidifying temperature conditions, comprising:
Whether meet indoor temperature and be greater than 5 degrees Celsius and be less than 33 degrees Celsius, and outdoor temperature is less than 37 degrees Celsius.
3. dehumidification control method as claimed in claim 1 or 2, is characterized in that, is closing after described compressor, also comprises:
After three minutes, judge whether described envionmental humidity is greater than 65%;
As be greater than 65% and judge whether Current Temperatures meets default dehumidifying condition step as described in returning;
As be less than 65% and continue judge the whether lasting t1 time of close compressor;
Turn back to described judge Current Temperatures and the whether satisfied dehumidifying condition step of presetting of humidity as continued the t1 time; The described t1 time is greater than three minutes.
4. a dehumidification control system, is applied in the household electrical appliances with dehumidification function, it is characterized in that, comprising:
The first judge module, while dehumidifying order for receiving at described household electrical appliances running, whether the default relative humidity of judgement is less than envionmental humidity;
Control module, for as described in default relative humidity be greater than as described in envionmental humidity, only move the blower fan of described household electrical appliances;
The second judge module, for as described in preset temperature condition be less than as described in envionmental humidity, judge that whether Current Temperatures meets default dehumidifying temperature conditions;
Described control module also for as described in Current Temperatures do not meet the described default temperature conditions that dehumidifies, only move described blower fan; As pre-conditioned as described in meeting, move the compressor of described blower fan and described household electrical appliances;
The 3rd judge module, under the condition of all moving at described blower fan and described compressor, whether the inner tube temperature that judges described household electrical appliances every the t1 time is higher than current dew-point temperature;
The 4th judge module, for as described in inner tube temperature during higher than current dew-point temperature, judge whether the continuous t2 time; As t2 time continuously, control described the 3rd judge module and continue to judge that every the t1 time whether described inner tube temperature is higher than current dew-point temperature;
Control module also for inner tube temperature as described in the continuous t2 time higher than as described in current dew-point temperature, close described compressor.
5. dehumidification control system as claimed in claim 4, is characterized in that, described default compressor start up condition comprises:
Indoor temperature is greater than 5 degrees Celsius and be less than 33 degrees Celsius, and outdoor temperature is less than 37 degrees Celsius.
6. the dehumidification control system as described in claim 4 or 5, is characterized in that, also comprises:
The 5th judge module, for judging after three minutes whether described envionmental humidity is greater than 65% closing described compressor and described blower fan; As be greater than the second judge module as described in 65% control and judge whether Current Temperatures meets default dehumidifying temperature conditions;
The 6th judge module, for continuing to judge as being less than 65% whether close compressor continues the t1 time; As continue the t1 time control as described in the second judge module judge that whether Current Temperatures meets the dehumidifying condition of presetting; The described t1 time is greater than three minutes.
7. household electrical appliances with dehumidification function, is characterized in that, are provided with the dehumidification control system as described in claim 4～6 any one.
8. household electrical appliances as claimed in claim 7, is characterized in that, described household electrical appliances comprise separating domestic dehumidifier or Split-type cold/heat air conditioner.
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| CN104764144A (en) * | 2015-03-23 | 2015-07-08 | 美的集团股份有限公司 | Constant-temperature dehumidification control method and system of air conditioner |
| CN104930656A (en) * | 2015-06-12 | 2015-09-23 | 广东美的制冷设备有限公司 | Air conditioner temperature and humidity double-control method and device and air conditioner indoor unit |
| CN105318504A (en) * | 2015-11-23 | 2016-02-10 | 广东美的制冷设备有限公司 | Temperature and humidity double-control method for air-conditioner and air-conditioner |
| CN105465964A (en) * | 2015-12-29 | 2016-04-06 | 珠海格力电器股份有限公司 | Air conditioner and dehumidifying control method and device for same |
| CN108507048A (en) * | 2018-03-13 | 2018-09-07 | 北京农业智能装备技术研究中心 | Dehumidify water fetching device in greenhouse |
| 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 |
| CN110567087A (en) * | 2019-09-09 | 2019-12-13 | 海信（山东）空调有限公司 | Dehumidification method of air conditioner and air conditioner |
| CN113531769A (en) * | 2021-07-29 | 2021-10-22 | 宁波奥克斯电气股份有限公司 | Temperature and humidity control method and device and air conditioner |
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