CN106839319A - A kind of compressor of air conditioner method for controlling number of revolution - Google Patents
A kind of compressor of air conditioner method for controlling number of revolution Download PDFInfo
- Publication number
- CN106839319A CN106839319A CN201710086408.9A CN201710086408A CN106839319A CN 106839319 A CN106839319 A CN 106839319A CN 201710086408 A CN201710086408 A CN 201710086408A CN 106839319 A CN106839319 A CN 106839319A
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- Prior art keywords
- compressor
- rotational speed
- air conditioner
- temperature
- value
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/59—Remote control for presetting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Abstract
The present invention relates to a kind of compressor of air conditioner method for controlling number of revolution, comprise the following steps：The tachometer value of compressor of air conditioner is arranged to N number of rotating speed gear from low to high, and corresponding adjustment of rotational speed coefficient interval and rotational speed command value are set；Real-time Collection indoor temperature and outdoor unit temperature；According to the cryogenic temperature value that air-conditioning is set, the indoor temperature, outdoor unit normal temperature setting value and the outdoor unit temperature computation adjustment of rotational speed coefficient：Adjustment of rotational speed coefficient according to trying to achieve determine it belonging to adjustment of rotational speed coefficient it is interval, so that it is determined that corresponding rotational speed command value；The current tachometer value of compressor of air conditioner is adjusted, makes it equal with the rotational speed command value tried to achieve.The present invention improves the service life and refrigeration of compressor of air conditioner.
Description
Technical field
The present invention relates to a kind of compressor of air conditioner method for controlling number of revolution.
Background technology
Compressor is the heart of refrigeration system, and it sucks the refrigerant gas of low-temp low-pressure from air intake duct, is transported by clicking on
After turning it to be compressed with piston, the refrigerant gas of HTHP are discharged to blast pipe, for kind of refrigeration cycle provides power.
If compressor long-term work is in higher rotation speed, be easily caused under compressor long-term work excessive temperature scope, increase compressor and
The load that air-conditioning is had to go to the toilet, not only influences the service life of compressor, can also influence the air-conditioning life-span, and increases electricity, works as compression
Machine temperature is too high, and a method may cause compressor fault to damage, and on the other hand can reduce refrigeration.
The content of the invention
In view of this, it is an object of the invention to provide a kind of compressor of air conditioner method for controlling number of revolution, improve air-conditioning pressure
The service life and refrigeration of contracting machine.
To achieve the above object, the present invention is adopted the following technical scheme that：A kind of compressor of air conditioner method for controlling number of revolution, it is special
Levy and be, comprise the following steps：
Step S1：The tachometer value of compressor of air conditioner is arranged to N number of rotating speed gear, including the 1st rotating speed gear from low to high
To N rotating speed gears；Also set up N number of adjustment of rotational speed coefficient interval, including the 1st adjustment of rotational speed coefficient is interval to N adjustment of rotational speed
Coefficient is interval；I-th rotating speed gear correspondence interval and default i-th rotational speed command value of the i-th adjustment of rotational speed coefficient, wherein i, N is certainly
So number, and 1≤i≤N；
Step S2：Real-time Collection indoor temperature TIt is indoorWith outdoor unit temperature TOutdoor unit；
Step S3：According to the cryogenic temperature value T that air-conditioning is setSET, the indoor temperature TIt is indoor, the setting of outdoor unit normal temperature
Value TStandardWith the outdoor unit temperature TOutdoor unit, calculate adjustment of rotational speed factor beta：
Wherein, A+B=1 and A, B are the constant more than or equal to zero, A >=B；ΔT1It is the first temperature difference, the Δ T that set2
For the second temperature for setting is poor, Δ T1It is the constant more than zero, Δ T2It is the constant more than zero；
Step S4：Adjustment of rotational speed factor beta according to trying to achieve determine it belonging to adjustment of rotational speed coefficient it is interval, so that it is determined that right
The rotational speed command value answered；
Step S5：The current tachometer value of compressor of air conditioner is adjusted, makes it equal with the rotational speed command value that step S4 determines.
Further, the i-th rotational speed command value is less than or equal to i+1 rotational speed command value.
Further, the 1st rotational speed command value is the slow-speed of revolution threshold value Vmin of compressor of air conditioner, and slow-speed of revolution threshold value Vmin is not
Zero.
Further, N rotational speed command values are the rotary speed threshold value Vmax high of compressor of air conditioner.
Further, the specific adjustment process of the step S5 is as follows：By the current tachometer value and step of compressor of air conditioner
The rotational speed command value that S4 determines is compared, if current tachometer value is equal to the rotational speed command value that step S4 determines, keeps current
Tachometer value is constant；Otherwise in next rotating speed controlling cycle, the tachometer value of compressor of air conditioner is adjusted to step S4 determinations
Rotational speed command value.
Further, the temperature T of real-time detection compressor of air conditionerCompressor, as the temperature T for detecting compressor of air conditionerCompressorGreatly
In the temperature threshold T of settingmax, then in next rotating speed controlling cycle, corresponding to the rotational speed command value that step S4 is determined
Rotating speed gear at least moves one to low level gear.
Further, as the temperature T for detecting compressor of air conditionerCompressorIt is more than temperature threshold T in time Tmax, control sky
Adjust compressor out of service；Wherein, T is the time threshold of setting.
Further, the indoor temperature TIt is indoorThe temperature data collected by some temperature sensors being disposed in the interior
Average value.
The present invention has the advantages that compared with prior art：
1st, the present invention can dynamically adjust the rotating speed of compressor of air conditioner, it is to avoid compressor of air conditioner runs at high speed for a long time, carries
The service life of high compressor；
2nd, the present invention, by simple temperature acquisition, can automatically adjust the rotating speed of compressor of air conditioner according to actual conditions, make
Compressor operating improves air-conditioner efficiency in preferably rotating speed；In the case where fast-refrigerating is needed, refrigerating efficiency is lifted, in system
In the case that cold is relatively low, the rotating speed of compressor of air conditioner is reduced.
Brief description of the drawings
Fig. 1 is flow chart of the method for the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
Fig. 1 is refer to, the present invention provides a kind of compressor of air conditioner method for controlling number of revolution, it is characterised in that including following step
Suddenly：
Step S1：The tachometer value of compressor of air conditioner is arranged to N number of rotating speed gear, including the 1st rotating speed gear from low to high
To N rotating speed gears；Also set up N number of adjustment of rotational speed coefficient interval, including the 1st adjustment of rotational speed coefficient is interval to N adjustment of rotational speed
Coefficient is interval；I-th rotating speed gear correspondence interval and default i-th rotational speed command value of the i-th adjustment of rotational speed coefficient, wherein i, N is certainly
So number, and 1≤i≤N；The corresponding relation of three refer to table 1 below：
Table 1
As shown above, the i-th rotational speed command value is less than or equal to i+1 rotational speed command value, i.e. Vi-1≤Vi；1st rotating speed refers to
The V1 in the slow-speed of revolution threshold value Vmin i.e. upper table that value is compressor of air conditioner, slow-speed of revolution threshold value Vmin is made to be not zero；N rotary speed instructions
It is worth the VN in the rotary speed threshold value Vmax high i.e. upper table for compressor of air conditioner.
Step S2：Real-time Collection indoor temperature TIt is indoorWith outdoor unit temperature TOutdoor unit；
Step S3：According to the cryogenic temperature value T that air-conditioning is setSET, the indoor temperature TIt is indoor, the setting of outdoor unit normal temperature
Value TStandardWith the outdoor unit temperature TOutdoor unit, calculate adjustment of rotational speed factor beta：
Wherein, A+B=1 and A, B are the constant more than or equal to zero, A >=B；ΔT1It is the first temperature difference, the Δ T that set2
For the second temperature for setting is poor, Δ T1It is the constant more than zero, Δ T2It is the constant more than zero；
Step S4：Adjustment of rotational speed factor beta according to trying to achieve determine it belonging to adjustment of rotational speed coefficient it is interval, so that it is determined that right
The rotational speed command value answered；
Step S5：The current tachometer value of compressor of air conditioner is adjusted, makes it equal with the rotational speed command value that step S4 determines；Tool
Body adjustment process is as follows：The rotational speed command value that the current tachometer value of compressor of air conditioner determines with step S4 is compared, if working as
Preceding tachometer value is equal to the rotational speed command value that step S4 determines, then keep current tachometer value constant；Otherwise controlled in next rotating speed
In cycle, the tachometer value of compressor of air conditioner is adjusted the rotational speed command value determined to step S4.
In the present embodiment, the also temperature T including real-time detection compressor of air conditionerCompressor, when detecting compressor of air conditioner
Temperature TCompressorMore than the temperature threshold T of settingmax, then in next rotating speed controlling cycle, the rotary speed instruction that step S4 is determined
The corresponding rotating speed gear of value at least moves one to low level gear.
In the present embodiment, also including as the temperature T for detecting compressor of air conditionerCompressorPersistently it is more than temperature in time T
Threshold value Tmax, control compressor of air conditioner out of service；Wherein, T is the time threshold of setting.
The indoor temperature TIt is indoorThe average value of the temperature data collected by some temperature sensors being disposed in the interior.
In order to allow those skilled in the art to be better understood from technical scheme, below in conjunction with specific embodiment to this hair
It is bright to describe in detail.
Embodiment one：
Five rotating speed gears (N=5) that the tachometer value of compressor of air conditioner is arranged to from low to high, corresponding adjustment of rotational speed
Coefficient is interval and rotational speed command value is also five, such as table 2 below：
Table 2
The rotational speed command value V of the corresponding compressor of air conditioner of the i-th -1 rotating speed geari-1It is corresponding less than or equal to the i-th rotating speed gear
The rotational speed command value V of compressor of air conditioneri, wherein i is natural number, and 2≤i≤5, N is the natural number more than or equal to 2.
In addition, indoor temperature TIt is indoorThe room after temperature acquisition is carried out to be disposed in the interior 3 the three of position temperature sensors
Interior average temperature value.
Embodiment two
A kind of the present embodiment, compressor of air conditioner method for controlling number of revolution, its air-conditioning refrigeration system can apply the air-conditioning and between row
Refrigeration, indoor temperature collection for row between air conditioner refrigerating region temperature acquisition.
7 rotating speed gears (N=7) that the tachometer value of compressor of air conditioner is arranged to from low to high, corresponding adjustment of rotational speed
Coefficient is interval and rotational speed command value is also seven, such as table 2 below：
Table 2
The rotational speed command value V of the corresponding compressor of air conditioner of the i-th -1 rotating speed geari-1It is corresponding less than or equal to the i-th rotating speed gear
The rotational speed command value V of compressor of air conditioneri, wherein i is natural number, and 2≤i≤5, N is the natural number more than or equal to 2.
The cryogenic temperature value T that air-conditioning is setSETIt is 24 DEG C, outdoor unit normal temperature setting value TStandardIt is 45 DEG C,
A is that 0.9, B is 0.1, A+B=1, Δ T1For the first temperature difference for setting is 10 DEG C, Δ T2It is the second temperature for setting
Differ from 95 DEG C, β1=0.1, β2=0.25, β3=0.45, β4=0.60, β5=0.75, β6=0.9.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modification, should all belong to covering scope of the invention.
Claims (8)
1. a kind of compressor of air conditioner method for controlling number of revolution, it is characterised in that comprise the following steps：
Step S1：The tachometer value of compressor of air conditioner is arranged to N number of rotating speed gear from low to high, including the 1st rotating speed gear is to N
Rotating speed gear；Also set up N number of adjustment of rotational speed coefficient interval, including the 1st adjustment of rotational speed coefficient is interval to N adjustment of rotational speed coefficients area
Between；I-th rotating speed gear correspondence interval and default i-th rotational speed command value of the i-th adjustment of rotational speed coefficient, wherein i, N are natural number, and
1≤i≤N；
Step S2：Real-time Collection indoor temperature TIt is indoorWith outdoor unit temperature TOutdoor unit；
Step S3：According to the cryogenic temperature value T that air-conditioning is setSET, the indoor temperature TIt is indoor, outdoor unit normal temperature setting value
TStandardWith the outdoor unit temperature TOutdoor unit, calculate adjustment of rotational speed factor beta：
Wherein, A+B=1 and A, B are the constant more than or equal to zero, A >=B；ΔT1It is the first temperature difference, the Δ T that set2To set
The second temperature put is poor, Δ T1It is the constant more than zero, Δ T2It is the constant more than zero；
Step S4：Adjustment of rotational speed factor beta according to trying to achieve determine it belonging to adjustment of rotational speed coefficient it is interval, so that it is determined that corresponding
Rotational speed command value；
Step S5：The current tachometer value of compressor of air conditioner is adjusted, makes it equal with the rotational speed command value that step S4 determines.
2. compressor of air conditioner method for controlling number of revolution according to claim 1, it is characterised in that：I-th rotational speed command value is less than
Equal to i+1 rotational speed command value.
3. compressor of air conditioner method for controlling number of revolution according to claim 1, it is characterised in that：1st rotational speed command value is sky
The slow-speed of revolution threshold value Vmin of compressor, slow-speed of revolution threshold value Vmin is adjusted to be not zero.
4. compressor of air conditioner method for controlling number of revolution according to claim 1, it is characterised in that：N rotational speed command values are sky
Adjust the rotary speed threshold value Vmax high of compressor.
5. compressor of air conditioner method for controlling number of revolution according to claim 1, it is characterised in that：The specific tune of the step S5
It has suffered journey as follows：The rotational speed command value that the current tachometer value of compressor of air conditioner determines with step S4 is compared, if working as forward
Speed value then keeps current tachometer value constant equal to the rotational speed command value that step S4 determines；Otherwise in next rotating speed controlling cycle
It is interior, the tachometer value of compressor of air conditioner is adjusted the rotational speed command value determined to step S4.
6. compressor of air conditioner method for controlling number of revolution according to claim 1, it is characterised in that：Real-time detection compressor of air conditioner
Temperature TCompressor, as the temperature T for detecting compressor of air conditionerCompressorMore than the temperature threshold T of settingmax, then in next rotating speed control
In cycle processed, the rotating speed gear corresponding to rotational speed command value that step S4 is determined at least moves one to low level gear.
7. compressor of air conditioner method for controlling number of revolution according to claim 6, it is characterised in that：When detecting compressor of air conditioner
Temperature TCompressorIt is more than temperature threshold T in time Tmax, control compressor of air conditioner out of service；Wherein, T is the time of setting
Threshold value.
8. compressor of air conditioner method for controlling number of revolution according to claim 1, it is characterised in that：The indoor temperature TIt is indoorBy
The average value of the temperature data that some temperature sensors being disposed in the interior are collected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710086408.9A CN106839319B (en) | 2017-02-17 | 2017-02-17 | A kind of compressor of air conditioner method for controlling number of revolution |
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| CN201710086408.9A CN106839319B (en) | 2017-02-17 | 2017-02-17 | A kind of compressor of air conditioner method for controlling number of revolution |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108944334A (en) * | 2018-07-06 | 2018-12-07 | 苏州新同创汽车空调有限公司 | A kind of on-board air conditioner temprature control method |
| CN109455056A (en) * | 2018-10-12 | 2019-03-12 | 珠海格力电器股份有限公司 | A kind of energy-saving control method and device of split-type air conditioner |
| CN110375413A (en) * | 2019-08-03 | 2019-10-25 | 佛山冷钻新能源实业有限公司 | A kind of fault display method of air-conditioning |
| CN111578485A (en) * | 2019-02-15 | 2020-08-25 | 北京新能源汽车股份有限公司 | Control method and device of air conditioning system and controller |
| CN111795720A (en) * | 2020-05-25 | 2020-10-20 | 上海齐耀动力技术有限公司 | Stirling refrigerator test bench working condition gear control system and control method |
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|---|---|
| CN106839319B (en) | 2019-08-13 |
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Address after: 361006 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee after: Kehua Data Co.,Ltd. Address before: 361006 torch garden, torch high tech Zone, Xiamen, Fujian 457 Patentee before: XIAMEN KEHUAHENGSHENG LIMITED BY SHARE Ltd. |
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