CN1888675A - Air conditioner heating operation indoor fan controlling device and controlling method thereof - Google Patents
Air conditioner heating operation indoor fan controlling device and controlling method thereof Download PDFInfo
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- CN1888675A CN1888675A CN 200510013980 CN200510013980A CN1888675A CN 1888675 A CN1888675 A CN 1888675A CN 200510013980 CN200510013980 CN 200510013980 CN 200510013980 A CN200510013980 A CN 200510013980A CN 1888675 A CN1888675 A CN 1888675A
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Abstract
This invention discloses a kind of heating operation indoor fan controlling device of air conditioner and controlling method thereof. It includes: indoor temperature measurement part; pipe temperature measurement part; controlling part for controlling indoor fan; indoor fan driving part. The controlling method is: if indoor temperature is higher than the set temperature, indoor fan is controlled according to the set higher indoor fan controlling temperature; if indoor temperature is lower than the set temperature, indoor fan is controlled according to the set lower indoor fan controlling temperature. When indoor temperature is low, the indoor fan rotates earlier to exhaust heat exchanged air. This invention can shorten the indoor temperature rising time. Thus, users can feel warm quickly.
Description
Technical field
The invention belongs to a kind of control device and control method thereof of air-conditioner, be specifically related to a kind of heating operation initial stage, if indoor temperature is more than design temperature, according to the indoor fan control temperature-controlled chamber internal fan of higher setting at air-conditioner; If indoor temperature below design temperature, is controlled the heating operation indoor fan controlling device and the control method thereof of the air-conditioner of temperature-controlled chamber internal fan according to the low indoor fan of setting.
Background technology
As shown in Figure 1, existing air-conditioner comprises the evaporation of refrigerant or condensation and cools off or the indoor heat converter 2 of circumference air; Carry the indoor fan 3 of room air (I) to indoor heat converter 2; When indoor heat converter 2 is refrigeration machine as the condenser of condensation refrigerant, when indoor heat converter 2 is the system warming-up as the outdoor heat converter 4 of the evaporimeter of evaporation refrigerant; Outdoor fan 5 to outdoor heat converter 4 conveying chamber outer air (O); Compress the compressor 6 of low-temp low-pressure gaseous coolant in order to supply with the HTHP gaseous coolants to indoor heat converter 2 or outdoor heat converter 4; In the refrigerant that flows into compressor 6, the storing liquid refrigerant, the liquid storage that only allows gaseous coolant flow into 6 li on compressor irritates 7; Be installed in the expansion mechanism 8 that between indoor heat converter 2 and the outdoor heat converter 4 refrigerant is expand into the low-temp low-pressure state; For being located at compressor 6, the stream of changing refrigerant according to the refrigerating/heating operational mode of air-conditioner discharges supravasal cross valve 10.
It is to connect with the refrigerant conduit that compressor 6, cross valve 10, indoor heat converter 2, expansion mechanism 8, outdoor heat converter 4, liquid storage irritate 7.
When air conditioner heat-production moves, cross valve 10 the HTHP gaseous coolant (dotted line) of compressor 6 compression to outdoor heat converter 4 guiding time, irritate the refrigerant of 7 guiding to liquid storage in indoor heat converter 2 evaporations, when when air conditioner heat-production moves, the HTHP gaseous coolant (solid line) of compressor 6 compressions when indoor heat converter 2 guides, is irritated the refrigerants of 7 guiding in outdoor heat converter 4 evaporations to liquid storage.
Indoor heat converter 2 and indoor fan 3 are installed on the indoor set 20.Outdoor heat converter 4, outdoor fan 5, compressor 6, liquid storage filling 7 and cross valve 10 are provided on the off-premises station 30.In indoor set 20 and the off-premises station 30, at least one is provided with an expansion mechanism 8.
In addition, indoor set 20 is provided with to detecting the indoor temperature measurement section 22 of indoor temperature, the indoor fan drive division 3a of drive chamber's internal fan 3, the outdoor fan drive division 5a of drive chamber's external fan 5, the controller 26 of control air-conditioner operation etc.
In indoor set 20 and off-premises station 30, have the control part 32 of place outfit at least according to the various electric drivers such as input instruction control room internal fan drive division 3a, outdoor fan drive division 5a, compressor 6, expansion mechanism 8 and cross valve 10 of controller 26.
As mentioned above, constitute existing air-conditioner, if when the user sets air quantity (strong, in, weak) and desired temperature by controller 26, the instruction of input heating operation, the temperature that detects of desired temperature and indoor temperature measurement section 22 relatively, when desired temperature than the detected temperatures height, start compressor 6.
If compressor 6 operations, HTHP gaseous coolant in compressor 6 compressions is guided by cross valve 10,2 li of inflow indoor heat exchangers, in heat release towards periphery when the indoor heat converter 2 and condensation, and decompression through expansion mechanism 8 time, heat around absorbing when the outdoor heat converter 4 and evaporating is recycled to 6 li on compressor after irritating 7 through cross valve 10 and liquid storage successively at last.
At the heating operation initial stage of air-conditioner, the conduit temperature of indoor heat converter 2 is low-temperature conditions, and after heating operation instruction input, if indoor fan 3 is to set the rotation of air quantity pattern, to indoor discharge cool breeze, so keep the halted state of indoor fan 3, only move compressor 6, accelerate the rate of rise in temperature of indoor heat converter 2 to greatest extent.
Afterwards, if indoor heat converter 2 reaches more than the assigned temperature (following abbreviation ' indoor fan control temperature '), the air quantity of indoor fan 3 is controlled at weak wind pattern and sets the air quantity pattern, and indoor set 20 is to the indoor wind that is warmed by indoor heat converter 2 heating that provides thus.
But, heating operation indoor fan control method according to the air-conditioner of prior art, when indoor temperature is lower, it is needed chronic when the conduit temperature of indoor heat converter 2 will reach assigned temperature, so the dwell time of indoor fan 3 (promptly, the operation stand-by time of indoor fan) prolong, the user could accept warm air through considerable time after the instruction of input heating operation in addition, has inconvenient shortcoming thus.
Summary of the invention
The present invention proposes for the shortcoming that overcomes prior art, its purpose is to provide a kind of can make the user feel warm rapidly at the air conditioner heat-production initial operating stage, and can shorten the heating operation indoor fan controlling device and the control method thereof of the air-conditioner of indoor temperature rise time.
Technical scheme of the present invention is that a kind of air conditioner heat-production operation indoor fan controlling device comprises: by the indoor temperature measurement section of measuring indoor temperature; Measure the conduit temperature measurement section of refrigerant conduit temperature; According to the conduit temperature that the indoor temperature and the conduit temperature measurement section of the measurement of indoor temperature measurement section are measured, the control part of control room internal fan revolution; According to the control of control part, the indoor fan drive division of drive chamber's internal fan.
A kind of heating operation indoor fan control method of air-conditioner is: in the 1st stage of the heating operation initial stage of air-conditioner comparison indoor temperature and design temperature; According to the 1st stage comparative result, if indoor temperature more than design temperature, is controlled the 2nd stage of temperature-controlled chamber internal fan according to the indoor fan of higher setting; According to the 1st stage comparative result, if indoor temperature is below design temperature, according to the 3rd stage of the low indoor fan control temperature-controlled chamber internal fan of setting.
The 2nd stage: if indoor temperature more than design temperature, compares the 1st process of conduit temperature and the 1st indoor fan control temperature; In the 1st process, if conduit temperature below the 1st indoor fan control temperature, is kept the 2nd process of indoor fan halted state; In the 1st process, if conduit temperature surpasses the 1st indoor fan control temperature, with the 3rd process of weak wind pattern rotating room internal fan; In the 3rd process, if conduit temperature below the 2nd indoor fan control temperature high than the 1st indoor fan control temperature, is kept the 4th process of the weak wind rotation status of indoor fan; In the 3rd process, if conduit temperature surpasses the 2nd indoor fan control temperature, to set the 5th process of air quantity pattern rotating room internal fan.
The 3rd stage was: if indoor temperature below design temperature, follows conduit temperature 3rd indoor fan low than the 1st indoor fan control temperature to control the 1st process that temperature compares; In the 1st process, if conduit temperature below the 3rd indoor fan control temperature, is kept the 2nd process of indoor fan halted state; In the 1st process, if conduit temperature surpasses the 3rd indoor fan control temperature, with the 3rd process of weak wind pattern rotating room internal fan; In the 3rd process, if conduit temperature is kept the 4th process of the weak wind rotary mode of indoor fan being lower than the 2nd indoor fan control temperature and being higher than below the 4th indoor fan control temperature of controlling temperature than the 3rd indoor fan; In the 3rd process, if conduit temperature surpasses the 2nd indoor fan control temperature, to set the 5th process of air quantity pattern rotating room internal fan.
The 3rd indoor fan control temperature is: the temperature that deducts the difference absolute value of indoor temperature and design temperature in the 1st indoor fan control temperature.
The 4th indoor fan control temperature is: the temperature that deducts the difference absolute value of indoor temperature and design temperature in the 2nd indoor fan control temperature.
The present invention is when indoor temperature is lower, and indoor fan is rotation ahead of time, discharges the air of heat exchange, has time that the indoor temperature of making rises to shorten, can allow the user feel the advantage of warming up rapidly.
Description of drawings
Fig. 1 is the air-conditioner flow chart that refrigerant flows when refrigerating/heating moves of prior art;
Fig. 2 is the heating operation indoor fan controlling device controlling party block diagram of air-conditioner of the present invention;
Fig. 3 is the heating operation indoor fan control method programme diagram of air-conditioner of the present invention.
Wherein:
2 indoor heat converters, 3 indoor fans
4 outdoor heat converters, 5 outdoor fans
6 compressors, 7 liquid storages are irritated
8 expansion mechanisms, 10 cross valves
22 indoor temperature measurement section, 24 conduit temperature measurement section
26 controllers, 32 control parts
The specific embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Identical symbol is used in formation identical with existing structure and effect, omits its detailed description.
As shown in Figure 2, the heating operation indoor fan controlling device of air-conditioner of the present invention comprises, by the indoor temperature measurement section 22 of measuring indoor temperature; Measure the conduit temperature measurement section 24 of refrigerant conduit temperature; The control part 32 of the conduit temperature control room internal fan revolution that indoor temperature of measuring according to indoor temperature measurement section 22 and conduit temperature measurement section 24 are measured; According to the control of control part 32, the indoor fan drive division 3a of drive chamber's internal fan 3.
Conduit temperature measurement section 24: for the temperature of a certain side among the refrigerant conduit between the refrigerant conduit, indoor heat converter 2 and the expansion mechanism 8 that detect refrigerant conduit between indoor heat converter 2 and the cross valve 10, indoor heat converter 2 is provided with.Tentatively below be provided with for the refrigerant conduit temperature that detects indoor heat converter 2.
As shown in Figure 3, the heating operation indoor fan control method of air-conditioner of the present invention is, if the heating operation instruction of input air-conditioner detects indoor temperature (S1, S2).
Indoor temperature detects: can detect room air (I) temperature by indoor temperature measurement section 22, also can be detected the conduit temperature of indoor heat converter 2 by conduit temperature measurement section 24.Tentative below for detecting the temperature of room air (I).
Then, obtain the indoor temperature of detection and the design temperature set between poor X ℃ (S3).
Then, if differ from X ℃, control A ℃ of temperature, B ℃ of control room internal fan 3 according to the indoor fan of higher setting at (that is, when indoor temperature is higher than design temperature or follows it identical) more than 0 ℃; If X ℃ of difference is at (that is, when indoor temperature is lower than design temperature) below 0 ℃, according to C ℃ of the low indoor fan control temperature of setting, D ℃ of control room internal fan 3.
Here, A ℃ of the indoor fan of higher setting control temperature, B ℃ is: X ℃ of difference is more than 0 ℃ the time, A ℃ of the 1st indoor fan control temperature of whether setting with weak wind pattern rotation for the halted state of keeping indoor fan 3 and decision; For whether the weak wind rotary mode of keeping indoor fan 3 and decision are set at by setting the rotation of air quantity pattern than A ℃ of the 2nd indoor fan control temperature of A ℃ high of the 1st indoor fan control temperature, B ℃＞A ℃.
In addition, C ℃ of the low indoor fan control temperature of setting, D ℃ is: difference X ℃ be below 0 ℃ in, for whether the halted state of keeping indoor fan 3 and decision are set at by weak wind pattern rotation than C ℃ of the 3rd indoor fan control temperature of A ℃ low of the 1st indoor fan control temperature, A ℃＞C ℃; Be higher than C ℃ of the 3rd indoor fan control temperature for whether the weak wind rotary mode of keeping indoor fan 3 and decision be set at by setting the rotation of air quantity pattern, but be lower than D ℃ of the 4th indoor fan control temperature of B ℃ of the 2nd indoor fan control temperature, B ℃＞D ℃＞C ℃.
The 3rd indoor fan control temperature is for C ℃: in A ℃ of temperature that deducts difference X ℃ of absolute value of indoor temperature and design temperature of the 1st indoor fan control temperature.
In addition, the 4th indoor fan design temperature is for D ℃: in B ℃ of temperature that deducts difference X ℃ of absolute value of indoor temperature and design temperature of the 2nd indoor fan control temperature.
Because indoor temperature is higher than design temperature, C ℃ of the 3rd indoor fan control temperature is set at than A ℃ of low temperature of the 1st indoor fan control temperature, D ℃ of the 4th indoor fan control temperature is set at than B ℃ of low temperature of the 2nd indoor fan control temperature.
Describe in detail below according to A ℃ of temperature of the 1st, 2,3,4 indoor fans control, B ℃,, the process of the variation control room internal fan 3 of C ℃, D ℃.
At first, indoor temperature and design temperature difference X ℃ more than 0 ℃, the conduit temperature of indoor heat converter 2 below A ℃, then is judged as not fully heating of indoor heat converter 2 in the 1st indoor fan control temperature, keeps the halted state (S4, S5, S6) of indoor fan 3.
On the contrary, the difference X of indoor temperature and design temperature ℃ more than 0 ℃, the conduit temperature of indoor heat converter 2 surpasses A ℃ of the 1st indoor fan control temperature, then is judged as indoor heat converter 2 and is heated to a certain degree, with internal fan 3 (S4, S5, the S7) of weak wind pattern rotating room.
And, after indoor fan 3 weak wind pattern rotation beginnings, air-conditioner is to the weak wind rotation status of keeping indoor fan 3 till the conduit temperature of indoor heat converter 2 reaches B ℃ of the 2nd indoor fan control temperature, when the conduit temperature of indoor heat converter 2 is controlled B ℃ of temperature above the 2nd indoor fan, to set air quantity pattern internal fan 3 (S8, the S9) of rotating room.
In addition, the difference X of indoor temperature and design temperature ℃ below 0 ℃, the conduit temperature of indoor heat converter 2 below C ℃, then is judged as not fully heating of indoor heat converter 2 in the 3rd indoor fan control temperature, keeps the halted state (S4, S10, S11) of indoor fan 3.
On the contrary, the difference X of indoor temperature and design temperature ℃ below 0 ℃, the conduit temperature of indoor heat converter 2 surpasses C ℃ of the 3rd indoor fan control temperature, then is judged as indoor heat converter and is heated to a certain degree, with internal fan 3 (S4, S10, the S12) of weak wind pattern rotating room.
Here, because the 3rd indoor fan control temperature is set at than A ℃ of low temperature of the 1st indoor fan control temperature for C ℃,, indoor fan 3 begins rotation so doing sth. in advance certain hour for benchmark during with weak wind pattern rotating room internal fan 3 than A ℃ of the 1st indoor fan control temperature.
It is the air of benchmark cold during with weak wind pattern rotating room internal fan 3 that indoor set 20 is discharged than A ℃ of the 1st indoor fan control temperature, but because indoor temperature is low than design temperature, so that the user feels is warm, and the shortening of indoor temperature rise time.
In addition, after the weak wind pattern rotation beginning of indoor fan 3, air-conditioner is to the weak wind rotation status of keeping indoor fan 3 till the conduit temperature of indoor heat converter 2 reaches D ℃ of the 4th indoor fan control temperature, when the conduit temperature of indoor heat converter 2 is controlled B ℃ of temperature above the 4th indoor fan, to set air quantity pattern internal fan 3 (S13, the S14) of rotating room.
Here, because A ℃ of temperature of C ℃ of ratio the 2nd indoor fan control of the 4th indoor fan control temperature is low, be benchmark do sth. in advance certain hour when setting air quantity rotating room internal fan 3 begins to rotate than A ℃ of the 2nd indoor fan control temperature so indoor fan 3 is to set the air quantity pattern.
Indoor set 20 is discharged the air than the cold when setting air quantity pattern rotating room internal fan 3 that be benchmark of A ℃ of the 2nd indoor fan control temperature, but since indoor temperature below design temperature, so that the user feels is warm, and outer indoor temperature rise time shortening.
Effect of the present invention is: as constituting air conditioner heat-production operating control device of the present invention, take all factors into consideration the indoor fan running time at decision heating operation initial stage behind indoor temperature and the conduit temperature, so have advantages such as sensation that the heating operation time shortens, eliminates the consumer is discontented.
The heating operation controlling method of air-conditioner of the present invention is if indoor temperature is more than design temperature, according to the indoor fan control temperature-controlled chamber internal fan of higher setting; If indoor temperature is below design temperature, according to the low indoor fan control temperature-controlled chamber internal fan of setting, when indoor temperature was lower, indoor fan is rotation ahead of time, discharge the air of heat exchange, so have advantages such as the user feels rapidly to warm up, the shortening of indoor temperature rise time.
Claims (6)
1, a kind of air conditioner heat-production operation indoor fan controlling device comprises measurement section, control part and drive division, it is characterized in that: described measurement section is that the indoor temperature measurement section of measuring indoor temperature is not and the conduit temperature measurement section of measuring the refrigerant conduit temperature; Described control part is the conduit temperature measured of the indoor temperature measured according to the indoor temperature measurement section and conduit temperature measurement section, the control part of control room internal fan rotation number; Described drive division is the indoor fan drive division according to the control drive chamber internal fan of control part.
2, a kind of heating operation indoor fan control method of air-conditioner is characterized in that: be included in the heating operation initial stage comparison indoor temperature of air-conditioner and the 1st stage of design temperature; According to the 1st stage comparative result, if indoor temperature more than design temperature, is controlled the 2nd stage of temperature-controlled chamber internal fan according to the indoor fan of higher setting; According to the 1st stage comparative result, if indoor temperature is below design temperature, according to the 3rd stage of the low indoor fan control temperature-controlled chamber internal fan of setting.
3, the heating operation indoor fan control method of air-conditioner according to claim 2 is characterized in that: the 2nd stage comprised, if indoor temperature more than design temperature, compares the 1st process of conduit temperature and the 1st indoor fan control temperature; In the 1st process, if conduit temperature below the 1st indoor fan control temperature, is kept the 2nd process of indoor fan halted state; In the 1st process, if conduit temperature surpasses the 1st indoor fan control temperature, with the 3rd process of weak wind pattern rotating room internal fan; In the 3rd process, if conduit temperature below the 2nd indoor fan control temperature high than the 1st indoor fan control temperature, is kept the 4th process of the weak wind rotation status of indoor fan; In the 3rd process, if conduit temperature surpasses the 2nd indoor fan control temperature, to set the 5th process of air quantity pattern rotating room internal fan.
4, the heating operation indoor fan control method of air-conditioner according to claim 2, it is characterized in that: the 3rd stage comprised, if indoor temperature below design temperature, follows conduit temperature 3rd indoor fan low than the 1st indoor fan control temperature to control the 1st process that temperature compares; In the 1st process, if conduit temperature below the 3rd indoor fan control temperature, is kept the 2nd process of indoor fan halted state; In the 1st process, if conduit temperature surpasses the 3rd indoor fan control temperature, with the 3rd process of weak wind pattern rotating room internal fan; In the 3rd process, if conduit temperature is kept the 4th process of the weak wind rotary mode of indoor fan being lower than the 2nd indoor fan control temperature and being higher than below the 4th indoor fan control temperature of controlling temperature than the 3rd indoor fan; In the 3rd process, if conduit temperature surpasses the 2nd indoor fan control temperature, to set the 5th process of air quantity pattern rotating room internal fan.
5, the heating operation indoor fan control method of air-conditioner according to claim 4 is characterized in that: the 3rd indoor fan control temperature is: the 1st indoor fan control temperature deducts the temperature of the difference absolute value of indoor temperature and design temperature.
6, the heating operation indoor fan control method of air-conditioner according to claim 4 is characterized in that: the 4th indoor fan control temperature is: the 2nd indoor fan control temperature deducts the temperature of the difference absolute value of indoor temperature and design temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200510013980 CN1888675A (en) | 2005-06-27 | 2005-06-27 | Air conditioner heating operation indoor fan controlling device and controlling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510013980 CN1888675A (en) | 2005-06-27 | 2005-06-27 | Air conditioner heating operation indoor fan controlling device and controlling method thereof |
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| CN1888675A true CN1888675A (en) | 2007-01-03 |
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| CN 200510013980 Pending CN1888675A (en) | 2005-06-27 | 2005-06-27 | Air conditioner heating operation indoor fan controlling device and controlling method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101886839A (en) * | 2009-05-15 | 2010-11-17 | Lg电子株式会社 | Air exchange system and control method thereof |
| CN103292416A (en) * | 2012-03-05 | 2013-09-11 | 珠海格力电器股份有限公司 | Air conditioner and air speed control method and device thereof |
| CN103851744A (en) * | 2012-12-05 | 2014-06-11 | 珠海格力电器股份有限公司 | Control method and device of air conditioner |
| CN104006485A (en) * | 2013-02-21 | 2014-08-27 | 广东美的制冷设备有限公司 | Method for controlling indoor fan rotating speed of air conditioner under heating mode |
| CN105241016A (en) * | 2015-10-26 | 2016-01-13 | 四川长虹电器股份有限公司 | Indoor draught fan control device and method for multi-connected air conditioner |
| CN105423508A (en) * | 2016-01-05 | 2016-03-23 | 青岛海尔空调器有限总公司 | Indoor temperature detecting system and method |
| CN106765982A (en) * | 2017-01-09 | 2017-05-31 | 美的集团股份有限公司 | Air conditioner chamber's inner blower control method and device |
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2005
- 2005-06-27 CN CN 200510013980 patent/CN1888675A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8944897B2 (en) | 2009-05-15 | 2015-02-03 | Lg Electronics Inc. | Ventilation system and controlling method of the same |
| CN101886839B (en) * | 2009-05-15 | 2013-05-22 | Lg电子株式会社 | Ventilation system and controlling method of the same |
| CN101886839A (en) * | 2009-05-15 | 2010-11-17 | Lg电子株式会社 | Air exchange system and control method thereof |
| CN103292416A (en) * | 2012-03-05 | 2013-09-11 | 珠海格力电器股份有限公司 | Air conditioner and air speed control method and device thereof |
| CN103292416B (en) * | 2012-03-05 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioner and air speed control method and device thereof |
| CN103851744A (en) * | 2012-12-05 | 2014-06-11 | 珠海格力电器股份有限公司 | Control method and device of air conditioner |
| CN103851744B (en) * | 2012-12-05 | 2016-08-24 | 珠海格力电器股份有限公司 | Control method and device of air conditioner |
| CN104006485A (en) * | 2013-02-21 | 2014-08-27 | 广东美的制冷设备有限公司 | Method for controlling indoor fan rotating speed of air conditioner under heating mode |
| CN104006485B (en) * | 2013-02-21 | 2017-02-08 | 广东美的制冷设备有限公司 | Method for controlling indoor fan rotating speed of air conditioner under heating mode |
| CN105241016A (en) * | 2015-10-26 | 2016-01-13 | 四川长虹电器股份有限公司 | Indoor draught fan control device and method for multi-connected air conditioner |
| CN105241016B (en) * | 2015-10-26 | 2018-04-17 | 四川长虹电器股份有限公司 | Multi-connected air conditioner indoor fan control device and method |
| CN105423508A (en) * | 2016-01-05 | 2016-03-23 | 青岛海尔空调器有限总公司 | Indoor temperature detecting system and method |
| CN106765982A (en) * | 2017-01-09 | 2017-05-31 | 美的集团股份有限公司 | Air conditioner chamber's inner blower control method and device |
| CN106765982B (en) * | 2017-01-09 | 2019-08-27 | 美的集团股份有限公司 | Air conditioner chamber's inner blower control method and device |
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