CN103900190B - The control method of air conditioner - Google Patents
The control method of air conditioner Download PDFInfo
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- CN103900190B CN103900190B CN201210587132.XA CN201210587132A CN103900190B CN 103900190 B CN103900190 B CN 103900190B CN 201210587132 A CN201210587132 A CN 201210587132A CN 103900190 B CN103900190 B CN 103900190B
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Abstract
The present invention relates to a kind of control method of air conditioner, wherein, the air conditioner includes compressor, throttling arrangement, heat exchanger, and, the part of outlet pipe arrangement in the close air conditioner refrigeration operating of the heat exchanger is provided with the 1st temperature sensor, and the part of the close drip tray of heat exchanger is provided with the 2nd temperature sensor, when the air conditioner carries out cooling operation, the part of the close outlet pipe arrangement of detection heat exchanger and the temperature difference close to the part of drip tray are distinguished by the 1st temperature sensor and the 2nd temperature sensor, thus the operating of the throttling arrangement and compressor is adjusted.According to the control method of the air conditioner of the present invention, it is possible to reduce condensation of the air conditioner in cooling operation, improve the running efficiency of air conditioner.
Description
Technical field
The present invention relates to the control method of air conditioner.
Background technology
The control method of existing air conditioner be by detecting the temperature and humidity of indoor and outdoor surroundingses before air-conditioner operation,
Reruned after setting the parameters of air conditioner in advance, after air conditioner starts operating, these parameters do not adjust.
But because these parameters can not be adjusted in time according to the real-world operation of air conditioner, therefore have and for example exist
The generation of condensation status during cooling operation, so as to reduce the running efficiency of air conditioner.
The content of the invention
The defects of in order to overcome above-mentioned prior art, the present inventor considers, if in the cooling operation of air conditioner
During, air-conditioning is adjusted in time according to the part of the close outlet pipe arrangement of heat exchanger and close to the temperature difference of the part of drip tray
The operating parameters of machine, so as to effectively prevent condensation of the air conditioner during cooling operation, improve the running efficiency of air conditioner.
Therefore, the invention provides a kind of control method of air conditioner, wherein, the air conditioner includes compressor, throttling
Device, heat exchanger, also, the part of the outlet pipe arrangement in the close air conditioner refrigeration operating of the heat exchanger is set
It is equipped with the 1st temperature sensor and the part of the close drip tray of heat exchanger is provided with the 2nd temperature sensor,
When the air conditioner carries out cooling operation, detection is distinguished by the 1st temperature sensor and the 2nd temperature sensor
The part of the close outlet pipe arrangement of heat exchanger and close to drip tray part the temperature difference, thus come adjust the throttling arrangement with
And the operating of compressor.
In addition, according to the control method of the air conditioner of the present invention, wherein, when the part of the close outlet pipe arrangement of heat exchanger
During with the temperature difference close to the part of drip tray less than the first regulation temperature difference, throttling arrangement is transported according to the initial value of its aperture
Turn, and the compressor is operated according to the initial value of its frequency.
In addition, according to the control method of the air conditioner of the present invention, wherein, when the part of the close outlet pipe arrangement of heat exchanger
With the temperature difference close to the part of drip tray when the first regulation temperature difference is less than the second regulation temperature difference, the aperture of throttling arrangement
Increase；The temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is less than the first regulation temperature difference
When, the aperture of throttling arrangement reverts to initial value.
In addition, according to the control method of the air conditioner of the present invention, wherein, the aperture of the throttling arrangement is relative to initial value
0.01 ~ 1 times of increase.
In addition, according to the control method of the air conditioner of the present invention, wherein, when the part of the close outlet pipe arrangement of heat exchanger
The temperature difference with the part of close drip tray is when second provides more than the temperature difference, the aperture increase of throttling arrangement, and compressor
Frequency reduces；The temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray provides the temperature difference first
During less than the second regulation temperature difference, the aperture increase of throttling arrangement, and the frequency retrieval of compressor is initial value；Work as heat
When the temperature difference of the part of the close outlet pipe arrangement of exchanger and the part of close drip tray is less than the first regulation temperature difference, throttling arrangement
Aperture revert to initial value.
In addition, according to the control method of the air conditioner of the present invention, wherein, when the part of the close outlet pipe arrangement of heat exchanger
The temperature difference with the part of close drip tray is when second provides more than the temperature difference, the aperture increase of throttling arrangement, and compressor
Frequency reduces；The temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is less than the first regulation temperature
When poor, the aperture of throttling arrangement and the frequency of compressor revert to initial value.
In addition, according to the control method of the air conditioner of the present invention, wherein, the aperture of the throttling arrangement is relative to initial value
0.01 ~ 1 times of increase, and the frequency of compressor reduces by 1% ~ 30% relative to initial value.
According to the control method of the air conditioner of the present invention, pass through the close air conditioner refrigeration of instant detection heat exchanger
The part of outlet pipe arrangement during operating and the temperature difference close to the part of drip tray, thus adjust the throttling arrangement and/or pressure
The operating of contracting machine, so as to reduce condensation of the air conditioner in cooling operation, improve the running efficiency of air conditioner.
Brief description of the drawings
Fig. 1 is the structural representation of the air conditioner of the present invention.
Fig. 2 is the flow chart of the control method of the air conditioner of the present invention.
Embodiment
The present invention will be described in more detail below in conjunction with the accompanying drawings.
As shown in figure 1, on the heat exchanger 10 of the air conditioner of the present invention, when close to air conditioner refrigeration operating
The part of outlet pipe arrangement 11 is provided with the 1st temperature sensor, the part close to drip tray 12 is provided with the 2nd temperature sensor.
When the air conditioner carries out cooling operation, real-time detection institute is distinguished by the 1st temperature sensor and the 2nd temperature sensor
The temperature Tout and the temperature Teva close to the part of drip tray 12 of the part of the close outlet pipe arrangement 11 of heat exchanger 10 are stated,
And thus obtain this two-part temperature difference, i.e. Tout-Teva.
The control method of the present invention is when air conditioner carries out cooling operation, according to the close outlet pipe arrangement of heat exchanger
The temperature difference of part and the part of close drip tray carrys out the operating parameters of adjusting air conditioning, i.e. the throttling arrangement of adjusting air conditioning
The frequency of aperture and compressor.The present invention control method in, be provided with during difference variation is judged two it is critical
Temperature, i.e., the first regulation temperature difference T1 and the second regulation temperature difference T2, and T2>T1.
It is described in detail individually below.
（One）Tout-Teva<T1
When the temperature difference close to the part of outlet pipe arrangement and close to the part of drip tray provides the temperature difference less than first, i.e.
Tout-Teva<T1, due to judging that now the flow distribution of refrigerant in heat exchanger is in poised state, will not condense,
Therefore, the operating parameters of the compressor and throttling arrangement are constant, i.e. throttling arrangement is transported according to the initial value of its aperture
Turn, and the compressor is operated according to the initial value of its frequency.Here, the initial value of the aperture of so-called throttling arrangement,
Or the initial value of the frequency of compressor respectively refer to when air conditioner since start to it is stable when aperture and frequency
Value, generally, brought into operation 30 minutes or so from start in air conditioner and think that operation of air conditioner is stable.
（Two）T1≤Tout-Teva<T2
The temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray provides the temperature difference first
During less than the second regulation temperature difference, i.e. T1≤Tout-Teva<T2, due to judging the flow of the refrigerant in heat exchanger
Distribution produces imbalance, has the tendency of condensation, therefore, it is necessary to increase the aperture of throttling arrangement, specifically, throttling arrangement
Aperture preferably increases by 0.01~1 times relative to initial value.If the increase of the aperture of throttling arrangement is less than 0.01 times of initial value,
It is then no to play adjustment effect, if 1 times that is increased above initial value of the aperture of throttling arrangement, then air conditioner can be caused
Height pressure difference diminishes, so as to reduce the service efficiency of air conditioner.
When Tout-Teva decreases below the first regulation temperature difference, i.e. Tout-Teva<T1, the then throttling arrangement
Aperture is recovered to initial value.
（Three）T2≤Tout-Teva
The temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray provides the temperature difference second
During the above, i.e. T2≤Tout-Teva, due to judging that the assignment of traffic of the refrigerant in heat exchanger produces imbalance, have knot
The tendency of dew, therefore, not only need to adjust the aperture of throttling arrangement, and it also requires the frequency of regulation compressor.Because
The maximum stream flow of throttling arrangement is conditional, reaches maximum stream flow when the aperture of throttling arrangement increases to but still can not drop
During Low Temperature Difference, it is necessary to while the frequency of compressor is reduced to realize the reduction temperature difference jointly.Specifically, the throttling arrangement
Aperture increases by 0.01 ~ 1 times relative to initial value, and the frequency of compressor reduces by 1% ~ 30% relative to initial value.If throttling
The aperture of device increases less than 0.01 times relative to initial value, then without adjustment effect is played, if the aperture phase of throttling arrangement
1 times is increased above for initial value, then the height pressure difference of air conditioner can be caused to diminish, so as to reduce the use of air conditioner effect
Rate.Also, if the frequency of compressor is reduced less than 1% relative to initial value, then adjustment effect can not be played, if relative to
Initial value is reduced more than 30%, and height pressure difference can be caused to diminish, so as to reduce the service efficiency of air conditioner, and easily cause pressure
The liquid hammer of contracting machine, damage compressor.
When Tout-Teva is reduced to the first regulation temperature difference less than the second regulation temperature difference, i.e. T1≤Tout-
Teva<T2, due to judging although the assignment of traffic of the refrigerant in heat exchanger is adjusted, but it is still in imbalance
State, be still increase state by the aperture of throttling arrangement therefore, but the frequency retrieval of compressor is to initial value.Now, save
The aperture of stream device preferably increases by 0.01~1 times relative to initial value.Now, if the aperture of throttling arrangement is relative to initial value
Increase is less than 0.01 times, then without adjustment effect is played, if the aperture of throttling arrangement increases above 1 times relative to initial value,
The height pressure difference of air conditioner can be so caused to diminish, so as to reduce the service efficiency of air conditioner.
When Tout-Teva continues to decrease below the first regulation temperature difference, i.e. Tout-Teva<T1, the then throttling fill
The aperture put is also restored to initial value.
In addition, if Tout-Teva reduction speed is very fast, i.e. is not yet judging Tout-Teva in the first regulation
When between the temperature difference and the second regulation temperature difference, when just decreasing below the first regulation temperature difference from T2≤Tout-Teva, i.e. drop
As little as Tout-Teva<T1, then the aperture of the throttling arrangement and the frequency of compressor are recovered to initial value.
According to the present invention control method, by air conditioner carry out cooling operation when, the operating parameters of adjusting air conditioning,
Specifically, adjust the aperture of throttling arrangement and further adjust the frequency of compressor, so as to reduce condensation, improve empty
The running efficiency of tune.
Fig. 2 is the flow chart of the control method of the air conditioner of the present invention.
As shown in Fig. 2 when air conditioner proceeds by cooling operation, the 1st temperature sensor and the 2nd temperature sensor are carried out
The temperature of the respective present position of detection, and calculating temperature difference Tout-Teva, then by the regulation temperature of temperature difference Tout-Teva and first
Degree T1 and the second set point of temperature T2 is compared and judged.It is described in detail below.
When judging that temperature difference Tout-Teva is less than the first set point of temperature T1, i.e. Tout-Teva<T1, then air conditioner maintenance
Present situation, continue original operating, its operating parameters is not adjusted, i.e. the aperture of its throttling arrangement and the frequency of compressor
Rate is constant.
When judging temperature difference Tout-Teva between the first set point of temperature T1 and the second set point of temperature T2, i.e. T1≤
Tout-Teva<T2, then throttling arrangement aperture increase, the assignment of traffic of the refrigerant in heat exchanger is adjusted, to drop
Low Temperature Difference Tout-Teva.
After the operating parameters of throttling arrangement adjust, operated in air conditioner refrigeration and detection is continued simultaneously by sensor simultaneously
Calculating temperature difference Tout-Teva.
And then if it is determined that temperature difference Tout-Teva is still T1≤Tout-Teva<T2, then the aperture of throttling arrangement according to
So increase, to adjust the assignment of traffic of the refrigerant in heat exchanger.
If it is determined that temperature difference Tout-Teva has already decreased to Tout-Teva<T1, then the aperture of throttling arrangement recover to
Initial value, and air conditioner carries out cooling operation according to original parameter.
If it is determined that temperature difference Tout-Teva is not reduced, continue to be increased to T2≤Tout-Teva on the contrary, then due to only
Can not be realized by the aperture of regulation throttling arrangement reduces the purpose of the temperature difference, therefore, it is necessary to reduces the frequency of compressor simultaneously.It is logical
Cross while increase the aperture of throttling arrangement and reduce the frequency of compressor and adjust the distribution flow of refrigerant, to reduce temperature
Poor Tout-Teva.
After the operating parameters of throttling arrangement and compressor adjust, in air conditioner refrigeration operating sensor inspection simultaneously
Know simultaneously calculating temperature difference Tout-Teva.
And then if it is determined that temperature difference Tout-Teva is still T2≤Tout-Teva, then the aperture of throttling arrangement is still
Increase and the frequency of compressor still reduces, to adjust the assignment of traffic of the refrigerant in heat exchanger.
If it is determined that temperature difference Tout-Teva is T1≤Tout-Teva<T2, then the frequency retrieval of compressor to initial value,
But the aperture of throttling arrangement still increases, to adjust the assignment of traffic of the refrigerant in heat exchanger.
If it is determined that temperature difference Tout-Teva has already decreased to Tout-Teva<T1, then the aperture and pressure of throttling arrangement
The frequency of contracting machine is recovered to initial value, and air conditioner carries out cooling operation according to original parameter.
Therefore, the flow more than, the control method of air conditioner of the invention is by can be timely in cooling operation
The operating parameters of throttling arrangement and compressor are adjusted, so as to reduce the condensation of air conditioner, improve the running efficiency of air conditioner.
Although being illustrated above in association with accompanying drawing to the present invention, it will be appreciated that described above is not with any
The form limitation present invention.Those skilled in the art without departing from the true spirit and scope of the present invention can be according to need
The present invention is deformed and changed, these deformations and change are within the scope of the present invention.
Claims (7)
- A kind of 1. control method of air conditioner, it is characterised in thatThe air conditioner includes compressor, throttling arrangement, heat exchanger, also, in the close air-conditioning of the heat exchanger The part of outlet pipe arrangement during mechanism blowdown firing is provided with the 1st temperature sensor and the close drip tray in heat exchanger Part is provided with the 2nd temperature sensor,When the air conditioner carries out cooling operation, handed over by the 1st temperature sensor and the 2nd temperature sensor to distinguish detection heat The part of the close outlet pipe arrangement of parallel operation and the temperature difference close to the part of drip tray, thus adjust the throttling arrangement and pressure The operating of contracting machine.
- 2. the control method of air conditioner according to claim 1, it is characterised in thatWhen the temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is less than the first regulation temperature difference, Throttling arrangement is operated according to the initial value of its aperture, and the compressor is operated according to the initial value of its frequency.
- 3. the control method of air conditioner according to claim 1, it is characterised in thatThe temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is more than the first regulation temperature difference And during less than the second regulation temperature difference, the aperture increase of throttling arrangement；When the temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is less than the first regulation temperature difference, The aperture of throttling arrangement reverts to initial value.
- 4. the control method of air conditioner according to claim 3, it is characterised in thatThe aperture of throttling arrangement increases by 0.01 ~ 1 times relative to initial value.
- 5. the control method of air conditioner according to claim 1, it is characterised in thatThe temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is more than the second regulation temperature difference When, the aperture increase of throttling arrangement, and the frequency of compressor reduces；The temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is more than the first regulation temperature difference And during less than the second regulation temperature difference, the aperture increase of throttling arrangement, and the frequency retrieval of compressor is initial value；When the temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is less than the first regulation temperature difference, The aperture of throttling arrangement reverts to initial value.
- 6. the control method of air conditioner according to claim 1, it is characterised in thatThe temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is more than the second regulation temperature difference When, the aperture increase of throttling arrangement, and the frequency of compressor reduces；When the temperature difference of part when the close outlet pipe arrangement of heat exchanger and the part close to drip tray is less than the first regulation temperature difference, The aperture of throttling arrangement and the frequency of compressor revert to initial value.
- 7. the control method of the air conditioner according to claim 5 or 6, it is characterised in thatThe aperture of the throttling arrangement increases by 0.01 ~ 1 times relative to initial value, and the frequency of compressor drops relative to initial value Low 1% ~ 30%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587132.XA CN103900190B (en) | 2012-12-28 | 2012-12-28 | The control method of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210587132.XA CN103900190B (en) | 2012-12-28 | 2012-12-28 | The control method of air conditioner |
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| CN103900190A CN103900190A (en) | 2014-07-02 |
| CN103900190B true CN103900190B (en) | 2018-02-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108731324B (en) * | 2018-06-22 | 2020-12-25 | 江苏新安电器有限公司 | Superheat degree controlled electronic expansion valve system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5680641A (en) * | 1979-11-30 | 1981-07-02 | Daikin Ind Ltd | Air conditioner |
| CN1380963A (en) * | 2000-06-07 | 2002-11-20 | 三星电子株式会社 | Control system of degree of superheat of air conditioner and ocntrol method thereof |
| CN1916538A (en) * | 2005-08-18 | 2007-02-21 | 松下电器产业株式会社 | Air conditioner device |
| KR20090019566A (en) * | 2007-08-21 | 2009-02-25 | 삼성전자주식회사 | Air conditioner |
| CN102003773A (en) * | 2010-11-25 | 2011-04-06 | 佛山市中格威电子有限公司 | Shunt compensation control system of inverter-driven multi-split air conditioner |
| CN102116550A (en) * | 2009-12-31 | 2011-07-06 | 丹佛斯（上海）自动控制有限公司 | Evaporation control device used in refrigerating system |
-
2012
- 2012-12-28 CN CN201210587132.XA patent/CN103900190B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5680641A (en) * | 1979-11-30 | 1981-07-02 | Daikin Ind Ltd | Air conditioner |
| CN1380963A (en) * | 2000-06-07 | 2002-11-20 | 三星电子株式会社 | Control system of degree of superheat of air conditioner and ocntrol method thereof |
| CN1916538A (en) * | 2005-08-18 | 2007-02-21 | 松下电器产业株式会社 | Air conditioner device |
| KR20090019566A (en) * | 2007-08-21 | 2009-02-25 | 삼성전자주식회사 | Air conditioner |
| CN102116550A (en) * | 2009-12-31 | 2011-07-06 | 丹佛斯（上海）自动控制有限公司 | Evaporation control device used in refrigerating system |
| CN102003773A (en) * | 2010-11-25 | 2011-04-06 | 佛山市中格威电子有限公司 | Shunt compensation control system of inverter-driven multi-split air conditioner |
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| CN103900190A (en) | 2014-07-02 |
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