CN102927653A - Air conditioner waste heat blowing control method - Google Patents
Air conditioner waste heat blowing control method Download PDFInfo
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- CN102927653A CN102927653A CN2012104016781A CN201210401678A CN102927653A CN 102927653 A CN102927653 A CN 102927653A CN 2012104016781 A CN2012104016781 A CN 2012104016781A CN 201210401678 A CN201210401678 A CN 201210401678A CN 102927653 A CN102927653 A CN 102927653A
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Abstract
The invention relates to an air conditioner control technology and discloses an air conditioner waste heat blowing control method. Waste heat of a coiler of an indoor unit is blown out as quickly as possible after a compressor halts, so as to reduce the temperature of the coiler, and system pressure is in a balanced state to the greatest extent. The air conditioner waste heat blowing control method comprises the steps that: a fan of the indoor unit continuously operates to blow waste heat of the coiler of the indoor unit after the compressor stops in a heating state, and the temperature or waste heat blowing time of the coiler of the indoor unit is acquired and compared and judged with a preset threshold value, so as to realize corresponding regulation on the rotating speed of the fan of the indoor unit. The air conditioner waste heat blowing control method provided by the invention is applicable to waste heat blowing on indoor coilers of various air conditioners.
Description
Technical field
The present invention relates to air conditioner controlling technology, specifically, relate to after the compressor shutdown of air-conditioner, the indoor set coil pipe is blown waste heat to reduce the control method of coil temperature.
Background technology
Air-conditioner generally comprises indoor set and off-premises station, indoor set is responsible for receiving remote signal or the push button signalling of remote controller, by the decoding of signal being controlled the corresponding actions (as: running of indoor set blower fan of its executing agency, the sampling of indoor set coil temperature, the position of damper blade etc.), and by carrying out carrying out shake communication with off-premises station control command is passed to off-premises station, controlled corresponding actions (as: the opening/stop of compressor of its executing agency according to corresponding control command by off-premises station, the running of off-premises station blower fan, the sampling of outdoor temperature etc.), and, off-premises station passes to indoor set with operational factor, done further to regulate according to the parameter of off-premises station feedback by indoor set again, form closed-loop control thus and realize the refrigerating/heating of air-conditioner/functions such as dehumidifying;
In the prior art, for the heating mode of air-conditioner, when compressor was in running status, indoor set was according to the running of its coil temperature control indoor set blower fan; Yet shutdown or reach design temperature and when reaching the situation of the condition that stops compressor when indoor temperature under appearing at heating mode; although this moment, compressor was shut down running; but also have surplus heat in the indoor coil; coil temperature is also very high, if this moment, the indoor set blower fan shut down, certainly will cause indoor automatically controlled plate temperature to raise; cause the components and parts temperature rise; affect the service life of components and parts, and system pressure can not reach poised state as early as possible.Therefore, the indoor set coil pipe is blown waste heat after need to shutting down at the compressor of air-conditioner.
Summary of the invention
Technical problem to be solved by this invention is: propose the control method that a kind of air-conditioner blows waste heat, as early as possible the waste heat of indoor set coil pipe is produced by boasting after compressor shutdown, to reduce coil temperature, as far as possible so that system pressure reaches poised state.
The present invention solves the problems of the technologies described above the technical scheme that adopts:
Air-conditioner blows the waste heat control method, comprise: heating under the state, after compressor shuts down, keep the indoor set blower fan to remain in operation the indoor set coil pipe is blown waste heat, and compare judgement by gathering the indoor set coil temperature or blowing the waste heat time with default threshold value, with to realizing the corresponding adjusting of indoor set blower fan rotating speed.
Further, describedly compare judgement by gathering the indoor set coil temperature or blowing the waste heat time with default threshold value, to realize that following principle is followed in the corresponding adjusting of indoor set blower fan rotating speed: it is longer or the indoor set coil temperature is lower to blow the waste heat time, and then indoor set blower fan rotating speed is lower.
Further, this control method also comprises: when indoor set blower fan rotating speed is carried out corresponding adjusting, adjust the angle of indoor set damper blade.
Further, described when indoor set blower fan rotating speed is carried out corresponding adjusting, adjust the angle of indoor set damper blade and follow following principle: indoor set blower fan rotating speed is lower, and then the angle of indoor set damper blade is less.
Further, the method specifically may further comprise the steps:
A. after heating state lower compression machine and shutting down, keep the indoor set blower fan to remain in operation the indoor set coil pipe is blown waste heat;
B. gather indoor set coil temperature T, blow waste heat time t;
C. as indoor coil pipe T during more than or equal to the first temperature threshold T1, control indoor set blower fan is with low wind wind speed running, and the angle of damper blade is the compressor constantly angle θ of damper blade that shuts down in the holding chamber;
D. when indoor coil pipe T less than the first temperature threshold T1 or when blowing waste heat time t more than or equal to very first time threshold value t1, control indoor set blower fan is with the running of gentle breeze wind speed, and the angle of adjusting the indoor set damper blade is θ 1;
E. when indoor coil pipe T less than the second temperature threshold T2 or when blowing waste heat time t more than or equal to the second time threshold t2, stop the running of indoor set blower fan, and adjust the angle of indoor set damper blade according to current indoor set state: if current indoor set is open state, the angle of then adjusting the indoor set damper blade is θ 2, if current indoor set is off-mode, then adjusts the indoor set damper blade and directly close;
Described T1＞T2, t1＜t2, θ＞θ 1＞θ 2.
Further, described T1=35 ℃, T2=25 ℃, t1=1min, t2=2min.
The invention has the beneficial effects as follows: after compressor shutdown, keep the indoor set blower fan to remain in operation the indoor set coil pipe is blown waste heat, to reduce coil temperature, as far as possible so that system pressure reaches poised state; In addition, in blowing the process of waste heat, with the indoor set coil temperature or blow the waste heat time as basis for estimation, the rotating speed of indoor set blower fan is regulated the noise that produces to reduce the blower fan running; Moreover, in blowing the process of waste heat, the angle of indoor set damper blade is regulated, along with the reduction of indoor set coil temperature or blow the increase of waste heat time, reduce the angle of damper blade, avoid temperature not high " cold wind " to blow to human body.
Description of drawings
Fig. 1 is indoor set damper blade position view;
Fig. 2 blows waste heat control method flow chart among the embodiment.
The specific embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is further described.
In this example, if heating under the state, compressor shuts down indoor set damper blade position constantly shown in the position 3 among Fig. 1, this moment, the rotating speed of indoor set blower fan was that " high wind " wind speed (generally speaking, the air force of indoor fan is divided into high wind, apoplexy, low wind, four kinds of wind speed of gentle breeze, but is not limited to this four kinds of wind speed in the reality); Blow the waste heat control method as shown in Figure 2 in this example, it may further comprise the steps:
1, keeps the indoor set blower fan to remain in operation the indoor set coil pipe is blown waste heat, to reduce coil temperature, as far as possible so that system pressure reaches poised state;
2, coiler temperature T in the sampler chamber, blow waste heat time t(and carry out timing from the moment that begins to blow waste heat);
3, when T 〉=35 ℃, control indoor set blower fan is with the running of " low wind " wind speed, and reducing the noise of blower fan running, the angle of damper blade is that compressor shuts down constantly that the angle (being the position 3 among Fig. 1) of damper blade gets final product in this moment holding chamber;
4, when T＜35 ℃ or t 〉=1min, the control room inner blower is with the running of " gentle breeze " wind speed, and further to reduce the noise of blower fan running, the angle that adjust indoor damper blade this moment is less angle, such as the position 2 among Fig. 1, blow to human body to avoid temperature not too high " cold wind ";
5, when T＜25 ℃ or t 〉=2min, the control room inner blower is closed, adjust the angle of indoor set damper blade this moment according to current indoor set state: if indoor set is open state, illustrate that then compressor is to shut down because indoor temperature reaches design temperature, then the damper blade arrives more low-angle position again, such as the position 1 among Fig. 1, avoiding when satisfying the compressor operating condition, cold wind blows to human body; If indoor set is off-mode, illustrate that then compressor is to cut out because of remote controller or push button signalling shutdown, then can directly damper blade be adjusted to the position (being that throttle opening is 0 position among Fig. 1) of Close All, to prevent that dust from entering in the indoor unit casing, impacts user health.
Each threshold value value in above-described embodiment and rotation speed of fan are adjusted situation and the damper blade angle adjustment situation; can also take other value or rotation speed of fan, damper blade angle are done other adjustment; therefore; the claimed scheme of the application comprises but is not limited only to above-described embodiment, generally is equal to replacement/modification all in the protection domain in the application what under the Spirit Essence of the present invention above-described embodiment is made.
Claims (6)
1. air-conditioner blows the waste heat control method, it is characterized in that, comprise: heating under the state, after compressor shuts down, keep the indoor set blower fan to remain in operation the indoor set coil pipe is blown waste heat, and compare judgement by gathering the indoor set coil temperature or blowing the waste heat time with default threshold value, with to realizing the corresponding adjusting of indoor set blower fan rotating speed.
2. air-conditioner as claimed in claim 1 blows the waste heat control method, it is characterized in that, describedly compare judgement by gathering the indoor set coil temperature or blowing the waste heat time with default threshold value, to realize that following principle is followed in the corresponding adjusting of indoor set blower fan rotating speed: it is longer or the indoor set coil temperature is lower to blow the waste heat time, and then indoor set blower fan rotating speed is lower.
3. air-conditioner as claimed in claim 2 blows the waste heat control method, it is characterized in that, this control method also comprises: when indoor set blower fan rotating speed is carried out corresponding adjusting, adjust the angle of indoor set damper blade.
4. air-conditioner as claimed in claim 3 blows the waste heat control method, it is characterized in that, described when indoor set blower fan rotating speed is carried out corresponding adjusting, adjust the angle of indoor set damper blade and follow following principle: indoor set blower fan rotating speed is lower, and then the angle of indoor set damper blade is less.
5. air-conditioner as claimed in claim 4 blows the waste heat control method, it is characterized in that, the method specifically may further comprise the steps:
A. after heating state lower compression machine and shutting down, keep the indoor set blower fan to remain in operation the indoor set coil pipe is blown waste heat;
B. gather indoor set coil temperature T, blow waste heat time t;
C. as indoor coil pipe T during more than or equal to the first temperature threshold T1, control indoor set blower fan is with low wind wind speed running, and the angle of damper blade is the compressor constantly angle θ of damper blade that shuts down in the holding chamber;
D. when indoor coil pipe T less than the first temperature threshold T1 or when blowing waste heat time t more than or equal to very first time threshold value t1, control indoor set blower fan is with the running of gentle breeze wind speed, and the angle of adjusting the indoor set damper blade is θ 1;
E. when indoor coil pipe T less than the second temperature threshold T2 or when blowing waste heat time t more than or equal to the second time threshold t2, stop the running of indoor set blower fan, and adjust the angle of indoor set damper blade according to current indoor set state: if current indoor set is open state, the angle of then adjusting the indoor set damper blade is θ 2, if current indoor set is off-mode, then adjusts the indoor set damper blade and directly close;
Described T1＞T2, t1＜t2, θ＞θ 1＞θ 2.
6. air-conditioner as claimed in claim 5 blows the waste heat control method, it is characterized in that, and described T1=35 ℃, T2=25 ℃, t1=1min, t2=2min.
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| CN201210401678.1A CN102927653B (en) | 2012-10-19 | 2012-10-19 | Air-conditioner blows waste heat control method |
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