CN106839319B - 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 PDF

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Publication number
CN106839319B
CN106839319B CN201710086408.9A CN201710086408A CN106839319B CN 106839319 B CN106839319 B CN 106839319B CN 201710086408 A CN201710086408 A CN 201710086408A CN 106839319 B CN106839319 B CN 106839319B
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compressor
air conditioner
value
temperature
revolving speed
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CN106839319A (en
Inventor
游玉香
林清民
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Kehua Data Co Ltd
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Kehua Hengsheng Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • F24F11/59Remote control for presetting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • F24F2110/12Temperature of the outside air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/20Heat-exchange fluid temperature

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to a kind of compressor of air conditioner method for controlling number of revolution, comprising the following steps: the tachometer value of compressor of air conditioner is arranged to N number of revolving speed gear from low to high, and corresponding revolving speed regulation coefficient section and rotational speed command value is arranged;Acquisition room temperature and outdoor unit temperature in real time;The cryogenic temperature value being arranged according to air-conditioning, the room temperature, outdoor unit normal temperature setting value and the outdoor unit temperature computation revolving speed regulation coefficient: according to the revolving speed regulation coefficient acquired determine it belonging to revolving speed regulation coefficient section, so that it is determined that corresponding rotational speed command value;The current rotating speed value for adjusting compressor of air conditioner, keeps it equal with the rotational speed command value acquired.The present invention improves the service life and refrigeration effect of compressor of air conditioner.

Description

A kind of compressor of air conditioner method for controlling number of revolution
Technical field
The present invention relates to a kind of compressor of air conditioner method for controlling number of revolution.
Background technique
Compressor is the heart of refrigeration system, it is transported from the refrigerant gas of air intake duct sucking low-temp low-pressure by clicking Turn after being compressed with piston to it, to the refrigerant gas of exhaust pipe discharge high temperature and pressure, provides power for refrigeration cycle. If compressor long-term work is easy to cause under compressor long-term work excessive temperature range in higher rotation speed, increase compressor and The load that air-conditioning is had to go to the toilet not only influences the service life of compressor, also will affect the air-conditioning service life, and increase electricity, work as compression Machine temperature is excessively high, and a method may cause compressor fault damage, on the other hand can reduce refrigeration effect.
Summary of the invention
In view of this, improving air-conditioning pressure the purpose of the present invention is to provide a kind of compressor of air conditioner method for controlling number of revolution The service life and refrigeration effect of contracting machine.
To achieve the above object, the present invention adopts the following technical scheme: a kind of compressor of air conditioner method for controlling number of revolution, special Sign is, comprising the following steps:
Step S1: the tachometer value of compressor of air conditioner is arranged to N number of revolving speed gear, including the 1st revolving speed gear from low to high To N revolving speed gear;N number of revolving speed regulation coefficient section is also set up, including the 1st revolving speed regulation coefficient section to N revolving speed adjusts Coefficient section;The corresponding i-th revolving speed regulation coefficient section of i-th revolving speed gear and preset i-th rotational speed command value, wherein i, N are certainly So number, and 1≤i≤N;
Step S2: acquisition room temperature T in real timeIt is indoorWith outdoor unit temperature TOutdoor unit
Step S3: the cryogenic temperature value T being arranged according to air-conditioningSET, the room temperature TIt is indoor, the setting of outdoor unit normal temperature Value TStandardWith the outdoor unit temperature TOutdoor unit, calculate revolving speed regulation coefficient β:
Wherein, A+B=1 and A, B are the constant more than or equal to zero, A >=B;ΔT1The first temperature difference, Δ T for setting2 It is poor for the second temperature of setting, Δ T1For the constant greater than zero, Δ T2For the constant greater than zero;
Step S4: according to the revolving speed regulation coefficient β acquired determine it belonging to revolving speed regulation coefficient section, so that it is determined that right The rotational speed command value answered;
Step S5: adjusting the current rotating speed value of compressor of air conditioner, and the rotational speed command value for determining it with step S4 is equal.
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 value is the high rotary speed threshold value Vmax of compressor of air conditioner.
Further, the specific adjustment process of the step S5 is as follows: by the current rotating speed value and step of compressor of air conditioner The rotational speed command value that S4 is determined is compared, if current rotating speed value is equal to the rotational speed command value that step S4 is determined, keeps current Tachometer value is constant;Otherwise within next revolving speed control period, the tachometer value of compressor of air conditioner is adjusted to step S4 determination 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, will be corresponding to step S4 determining rotational speed command value within next revolving speed control period Revolving speed gear is at least one mobile to low level gear.
Further, as the temperature T for detecting compressor of air conditionerCompressorIt is greater than temperature threshold T in time Tmax, control sky Adjust compressor out of service;Wherein, T is the time threshold of setting.
Further, the room temperature TIt is indoorBy the collected temperature data of temperature sensor of several settings indoors Average value.
Compared with the prior art, the invention has the following beneficial effects:
1, the present invention can dynamically adjust the revolving speed of compressor of air conditioner, avoid compressor of air conditioner from running at high speed for a long time, mention The service life of high compressor;
2, the present invention by simple temperature acquisition, can automatically adjust the revolving speed of compressor of air conditioner, make according to the actual situation Compressor operating improves air-conditioner efficiency in preferable revolving speed;In the case where needing fast-refrigerating, refrigerating efficiency is promoted, is being made In the lower situation of cooling capacity, the revolving speed of compressor of air conditioner is reduced.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and embodiments.
Fig. 1 is please referred to, the present invention provides a kind of compressor of air conditioner method for controlling number of revolution, which is characterized in that including following step It is rapid:
Step S1: the tachometer value of compressor of air conditioner is arranged to N number of revolving speed gear, including the 1st revolving speed gear from low to high To N revolving speed gear;N number of revolving speed regulation coefficient section is also set up, including the 1st revolving speed regulation coefficient section to N revolving speed adjusts Coefficient section;The corresponding i-th revolving speed regulation coefficient section of i-th revolving speed gear and preset i-th rotational speed command value, wherein i, N are certainly So number, and 1≤i≤N;The corresponding relationship of three please refers to the following table 1:
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 revolving speed refers to The V1 in the i.e. upper table of slow-speed of revolution threshold value Vmin that value is compressor of air conditioner, slow-speed of revolution threshold value Vmin is enabled to be not zero;N rotary speed instruction Value is the VN in the i.e. upper table of high rotary speed threshold value Vmax of compressor of air conditioner.
Step S2: acquisition room temperature T in real timeIt is indoorWith outdoor unit temperature TOutdoor unit
Step S3: the cryogenic temperature value T being arranged according to air-conditioningSET, the room temperature TIt is indoor, the setting of outdoor unit normal temperature Value TStandardWith the outdoor unit temperature TOutdoor unit, calculate revolving speed regulation coefficient β:
Wherein, A+B=1 and A, B are the constant more than or equal to zero, A >=B;ΔT1The first temperature difference, Δ T for setting2 It is poor for the second temperature of setting, Δ T1For the constant greater than zero, Δ T2For the constant greater than zero;
Step S4: according to the revolving speed regulation coefficient β acquired determine it belonging to revolving speed regulation coefficient section, so that it is determined that right The rotational speed command value answered;
Step S5: adjusting the current rotating speed value of compressor of air conditioner, and the rotational speed command value for determining it with step S4 is equal;Tool Body adjustment process is as follows: the current rotating speed value of compressor of air conditioner being compared with the step S4 rotational speed command value determined, if working as Preceding tachometer value is equal to the rotational speed command value that step S4 is determined, then keeps current rotating speed value constant;Otherwise it is controlled in next revolving speed In period, the tachometer value of compressor of air conditioner is adjusted to the rotational speed command value determined to step S4.
It in this present embodiment, further include the temperature T of real-time detection compressor of air conditionerCompressor, when detecting compressor of air conditioner Temperature TCompressorGreater than the temperature threshold T of settingmax, then within next revolving speed control period, by the determining rotary speed instruction of step S4 The corresponding revolving speed gear of value is at least one mobile to low level gear.
It in this present embodiment, further include as the temperature T for detecting compressor of air conditionerCompressorPersistently it is greater than temperature in time T Threshold value Tmax, it is out of service to control compressor of air conditioner;Wherein, T is the time threshold of setting.
The room temperature TIt is indoorBy the average value of the collected temperature data of temperature sensor of several settings indoors.
In order to allow those skilled in the art to better understand technical solution of the present invention, below in conjunction with specific embodiment to this hair It is bright to describe in detail.
Embodiment one:
The tachometer value of compressor of air conditioner is arranged to five revolving speed gears (N=5) from low to high, corresponding revolving speed adjustment Coefficient section and rotational speed command value are also five, such as the following table 2:
Table 2
The rotational speed command value V of the corresponding compressor of air conditioner of (i-1)-th revolving speed geari-1It is corresponding less than or equal to the i-th revolving speed gear The rotational speed command value V of compressor of air conditioneri, wherein i is natural number, and 2≤i≤5, N are the natural number more than or equal to 2.
In addition, room temperature TIt is indoorFor the room after three temperature sensors of 3 positions indoors carry out temperature acquisition is arranged Interior average temperature value.
Embodiment two
The present embodiment, a kind of compressor of air conditioner method for controlling number of revolution, air-conditioning refrigeration system can be using the air-conditionings between column Refrigeration, the acquisition of room temperature be column between air conditioner refrigerating region temperature acquisition.
The tachometer value of compressor of air conditioner is arranged to 7 revolving speed gears (N=7) from low to high, corresponding revolving speed adjustment Coefficient section and rotational speed command value are also seven, such as the following table 3:
Table 3
The rotational speed command value V of the corresponding compressor of air conditioner of (i-1)-th revolving speed geari-1It is corresponding less than or equal to the i-th revolving speed gear The rotational speed command value V of compressor of air conditioneri, wherein i is natural number, and 2≤i≤5, N are the natural number more than or equal to 2.
The cryogenic temperature value T of air-conditioning settingSETIt is 24 DEG C, outdoor unit normal temperature setting value TStandardIt is 45 DEG C,
A is 0.9, B 0.1, A+B=1, Δ T1The first temperature difference for setting is 10 DEG C, Δ T2For the second temperature of setting Poor 95 DEG C, β1=0.1, β2=0.25, β3=0.45, β4=0.60, β5=0.75, β6=0.9.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with Modification, is all covered by the present invention.

Claims (8)

1. a kind of compressor of air conditioner method for controlling number of revolution, which comprises the following steps:
Step S1: being arranged to N number of revolving speed gear for the tachometer value of compressor of air conditioner from low to high, including the 1st revolving speed gear is to N Revolving speed gear;Also set up N number of revolving speed regulation coefficient section, including the 1st revolving speed regulation coefficient section to N revolving speed regulation coefficient area Between;The corresponding i-th revolving speed regulation coefficient section of i-th revolving speed gear and preset i-th rotational speed command value, wherein i, N are natural number, and 1≤i≤N;
Step S2: acquisition room temperature T in real timeIt is indoorWith outdoor unit temperature TOutdoor unit
Step S3: the cryogenic temperature value T being arranged according to air-conditioningSET, the room temperature TIt is indoor, outdoor unit normal temperature setting value TStandardWith the outdoor unit temperature TOutdoor unit, calculate revolving speed regulation coefficient β:
Wherein, A+B=1 and A, B are the constant more than or equal to zero, A >=B;ΔT1The first temperature difference, Δ T for setting2To set The second temperature set is poor, Δ T1For the constant greater than zero, Δ T2For the constant greater than zero;
Step S4: according to the revolving speed regulation coefficient β acquired determine it belonging to revolving speed regulation coefficient section, so that it is determined that corresponding Rotational speed command value;
Step S5: adjusting the current rotating speed value of compressor of air conditioner, and the rotational speed command value for determining it with step S4 is equal.
2. compressor of air conditioner method for controlling number of revolution according to claim 1, it is characterised in that: the 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: the 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 value is sky Adjust the high rotary speed threshold value Vmax 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 is as follows to have suffered journey: the current rotating speed value of compressor of air conditioner being compared with the step S4 rotational speed command value determined, if working as forward Speed value is equal to the rotational speed command value that step S4 is determined, then keeps current rotating speed value constant;Otherwise the period is controlled in next revolving speed It is interior, the tachometer value of compressor of air conditioner is adjusted to 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 conditionerCompressorGreater than the temperature threshold T of settingmax, then in next revolving speed control It is in period processed, revolving speed gear corresponding to step S4 determining rotational speed command value is at least one mobile 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 greater than temperature threshold T in time Tmax, it is out of service to control compressor of air conditioner;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 room temperature TIt is indoorFor The average value of the collected temperature data of temperature sensor of several settings indoors.
CN201710086408.9A 2017-02-17 2017-02-17 A kind of compressor of air conditioner method for controlling number of revolution Active CN106839319B (en)

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CN108944334B (en) * 2018-07-06 2021-11-23 苏州新同创汽车空调有限公司 Temperature control method for vehicle-mounted air conditioner
CN109455056B (en) * 2018-10-12 2021-02-23 珠海格力电器股份有限公司 Energy-saving control method and device for split air conditioner
CN111578485B (en) * 2019-02-15 2021-11-09 北京新能源汽车股份有限公司 Control method and device of air conditioning system and controller
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
CN111795720B (en) * 2020-05-25 2023-07-21 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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CN103868195A (en) * 2012-12-14 2014-06-18 海信(山东)空调有限公司 Control method for preventing overload operation of air-conditioner compressor
CN103388880A (en) * 2013-04-03 2013-11-13 广东美的制冷设备有限公司 Control method of air conditioner
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