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CN106895541B - A kind of energy-saving control method under air conditioner refrigeration mode based on users'comfort - Google Patents

A kind of energy-saving control method under air conditioner refrigeration mode based on users'comfort Download PDF

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Publication number
CN106895541B
CN106895541B CN201510949058.5A CN201510949058A CN106895541B CN 106895541 B CN106895541 B CN 106895541B CN 201510949058 A CN201510949058 A CN 201510949058A CN 106895541 B CN106895541 B CN 106895541B
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frequency
temperature
saving control
expansion valve
target
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CN106895541A (en
Inventor
黄宁
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Aux Air Conditioning Co Ltd
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Aux Air Conditioning Co Ltd
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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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • F24F11/47—Responding to energy costs
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

Energy-saving control method under the invention discloses a kind of air conditioner refrigeration mode based on users'comfort, advantage is by indoor and outdoor temperature monitoring, temperature difference size based on room temperature Yu Energy Saving Control mode set temperature, more accurately control frequency-changeable compressor running frequency, electronic expansion valve opening and indoor and outdoors blower wind speed, under the premise of guaranteeing users'comfort, reduction air conditioner as far as possible runs power.

Description

A kind of energy-saving control method under air conditioner refrigeration mode based on users'comfort
Technical field
The present invention relates to air conditioner energy-saving control technology field, especially a kind of air conditioner refrigeration based on users'comfort Energy-saving control method under mode.
Background technique
Air conditioner has been widely used in each indoor environment of people's work, life at present.However, the consumption of air conditioner Electricity is larger, is always the Important Problems of concern and the priority research areas of those skilled in the art.Change is had developed thus Frequency air conditioner, transducer air conditioning when beginning to use, allow air-conditioning to be heated or be freezed with maximum power, maximum quantity of wind first, Rapidly close to set temperature, then passes through the variable speed of transducer air conditioning host, institute is automatically provided according to room availability Cold (heat) needed is measured, and after room temperature reaches desired value, air-conditioner host is then can accurately keep the constant speed of this temperature Degree operating namely existing transducer air conditioning are the simple reduction power consumption target with amplitude peak, although avoiding biography The compressor rotary speed of the fixed frequency air conditioner of system is basically unchanged, and constantly " opens, stops " compressor by it to adjust room temperature, one opens One stop between the shortcomings that be easy to causeing room temperature sometimes hot and sometimes cold, consuming more electric energy, but consider the comfort level of user, need to be changed Into.
Summary of the invention
Under technical problem to be solved by the invention is to provide a kind of air conditioner refrigeration mode based on users'comfort Energy-saving control method, by indoor and outdoor surroundings monitoring, more precise control frequency-changeable compressor running frequency, indoor and outdoor blower Wind speed and electronic expansion valve opening, thus under the premise of guaranteeing users'comfort, reduction air conditioner complete machine operation as far as possible Power.
The technical scheme of the invention to solve the technical problem is: a kind of air conditioner system based on users'comfort Energy-saving control method under cold mode, it is characterised in that:
S1 air conditioner judges the operational mode of outdoor unit after unlatching, and S2 is entered step in refrigeration mode, is otherwise entered Step S19；
S2 calculates the permission running frequency under refrigeration mode；
S3 outdoor unit receives power saving mode instructions, and S4 is entered step when power saving mode instructions are effective, is otherwise entered step S19 terminates Energy Saving Control；
S4 receives the outdoor temperature detected by outdoor temperature sensor, enters step when outdoor temperature is less than or equal to Ta Otherwise S5 enters step S18；
S5 receives the room temperature detected by indoor temperature transmitter, when room temperature and Energy Saving Control mode setting temperature The temperature difference T of degree enters step S18 when being greater than Tb, otherwise enters step S6；
S6 enters step S7 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T1, otherwise into Enter step S8；
S7 shutdown processing, subsequently into step S19；
S8 enters step S12 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T2, otherwise into Enter step S9；
S9 enters step S13 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T3, otherwise into Enter step S10；
S10 enters step S14 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T4, otherwise Enter step S11；
S11 setting frequency-changeable compressor target frequency is F4, electric expansion valve target aperture is V4, and control load is according to target Operation, subsequently into step S15；
S12 setting frequency-changeable compressor target frequency is F1, electric expansion valve target aperture is V1, and control load is according to target Operation, subsequently into step S15；
S13 setting frequency-changeable compressor target frequency is F2, electric expansion valve target aperture is V2, and control load is according to target Operation, subsequently into step S15；
S14 setting frequency-changeable compressor target frequency is F3, electric expansion valve target aperture is V3, and control load is according to target Operation, subsequently into step S15；
S15 forces indoor fan wind speed according to current compressor operating frequency and electronic expansion valve opening, subsequently into Step S16；
S16 receives the outdoor coil temperature that outdoor coil temperature sensor detects, when outdoor coil temperature is less than temperature S17 is entered step when T2, otherwise enters step S19；
S17 forces to carry out outdoor fan control, subsequently into step S19；
S18 is run, then using the permission running frequency of step S2 as reference frequency according to the ratio x frequency reducing of reference frequency Enter step S19；
S19 terminates the calculating of refrigeration mode frequency.
Wherein, the Ta is 32~35 DEG C；Energy Saving Control mode set temperature is 25~26 DEG C；Tb is 2~3 DEG C；T1 be- 2℃；T2 is -1~0 DEG C；T3 is 0~1 DEG C；T4 is 1~2 DEG C；The Tc is 40~45 DEG C.The frequency-changeable compressor target frequency F1 is 10Hz~15Hz, and the frequency-changeable compressor target frequency F2 is 15Hz~20Hz, the frequency-changeable compressor target frequency F3 It is 30Hz~40Hz for 20Hz~30Hz, the frequency-changeable compressor target frequency F4；Electric expansion valve target aperture V1 be 150~ 200 steps, electric expansion valve target aperture V2 are 150~200 steps, and electric expansion valve target aperture V3 is 200~250 steps, electronics Expansion valve target aperture V4 is 250~300 steps.
Preferably, ratio x is 70%~90%.
Compared with the prior art, the advantages of the present invention are as follows by indoor and outdoor temperature monitoring, based on room temperature with The temperature difference size of Energy Saving Control mode set temperature more accurately controls frequency-changeable compressor running frequency, electric expansion valve is opened Degree and indoor and outdoors blower wind speed to ensure that the comfort level of user, and reduce air conditioner as far as possible and run power.
Specific embodiment
Present invention is further described in detail with reference to embodiments.
This preferred embodiment is the energy-saving control method under a kind of air conditioner refrigeration mode based on users'comfort, special Sign is:
S1 air conditioner judges the operational mode of outdoor unit after unlatching, and S2 is entered step in refrigeration mode, is otherwise entered Step S19；
S2 calculates the permission running frequency under refrigeration mode；
S3 outdoor unit receives power saving mode instructions, and S4 is entered step when power saving mode instructions are effective, is otherwise entered step S19 terminates Energy Saving Control；
S4 receives the outdoor temperature detected by outdoor temperature sensor, enters step when outdoor temperature is less than or equal to Ta Otherwise S5 enters step S18；
S5 receives the room temperature detected by indoor temperature transmitter, when room temperature and Energy Saving Control mode setting temperature The temperature difference T of degree enters step S18 when being greater than Tb, otherwise enters step S6；
S6 enters step S7 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T1, otherwise into Enter step S8；
S7 shutdown processing, subsequently into step S19；It is negative including processing frequency-changeable compressor, outdoor fan, electric expansion valve etc. Load movement；
S8 enters step S12 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T2, otherwise into Enter step S9；
S9 enters step S13 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T3, otherwise into Enter step S10；
S10 enters step S14 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T4, otherwise Enter step S11；
S11 setting frequency-changeable compressor target frequency is F4, electric expansion valve target aperture is V4, and control load is according to target Operation, subsequently into step S15；
S12 setting frequency-changeable compressor target frequency is F1, electric expansion valve target aperture is V1, and control load is according to target Operation, subsequently into step S15；
S13 setting frequency-changeable compressor target frequency is F2, electric expansion valve target aperture is V2, and control load is according to target Operation, subsequently into step S15；
S14 setting frequency-changeable compressor target frequency is F3, electric expansion valve target aperture is V3, and control load is according to target Operation, subsequently into step S15；
S15 forces indoor fan wind speed according to current compressor operating frequency and electronic expansion valve opening, subsequently into Step S16；Indoor fan wind speed is set to match with current compressor operating frequency and electronic expansion valve opening；
S16 receives the outdoor coil temperature that outdoor coil temperature sensor detects, when outdoor coil temperature is less than temperature S17 is entered step when T2, otherwise enters step S19；
S17 forces to carry out outdoor fan control, subsequently into step S19；Make outdoor fan wind speed and outdoor coil temperature Match, guarantees outdoor coil pipe used safety；
S18 is run, then using the permission running frequency of step S2 as reference frequency according to the ratio x frequency reducing of reference frequency Enter step S19；
S19 terminates the calculating of refrigeration mode frequency.
In the present embodiment, the Ta is 32~35 DEG C；Energy Saving Control mode set temperature is 25~26 DEG C；Tb is 2~3 ℃；T1 is -2 DEG C；T2 is -1~0 DEG C；T3 is 0~1 DEG C；T4 is 1~2 DEG C；The Tc is 40~45 DEG C.The frequency-changeable compressor Target frequency F1 is 10Hz~15Hz, and the frequency-changeable compressor target frequency F2 is 15Hz~20Hz, the frequency-changeable compressor mesh Mark frequency F3 is 20Hz~30Hz, and the frequency-changeable compressor target frequency F4 is 30Hz~40Hz；Electric expansion valve target aperture V1 be 150~200 steps, electric expansion valve target aperture V2 be 150~200 steps, electric expansion valve target aperture V3 be 200~ 250 steps, electric expansion valve target aperture V4 are 250~300 steps.Ratio x is preferably 70%~90%.The load of air conditioner includes Frequency-changeable compressor, outdoor fan, electric expansion valve etc..

Claims (2)

1. the energy-saving control method under a kind of air conditioner refrigeration mode based on users'comfort, it is characterised in that:
S1 air conditioner judges the operational mode of outdoor unit after unlatching, and S2 is entered step in refrigeration mode, is otherwise entered step S19；
S2 calculates the permission running frequency under refrigeration mode；
S3 outdoor unit receives power saving mode instructions, and S4 is entered step when power saving mode instructions are effective, otherwise enters step S19 knot Beam Energy Saving Control；
S4 receives the outdoor temperature detected by outdoor temperature sensor, enters step S5 when outdoor temperature is less than or equal to Ta, Otherwise S18 is entered step；
S5 receives the room temperature detected by indoor temperature transmitter, when room temperature and Energy Saving Control mode set temperature Temperature difference T enters step S18 when being greater than Tb, otherwise enters step S6；
S6 enters step S7 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T1, otherwise enters step Rapid S8；
S7 shutdown processing, subsequently into step S19；
S8 enters step S12 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T2, otherwise enters step Rapid S9；
S9 enters step S13 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T3, otherwise enters step Rapid S10；
S10 enters step S14 when the temperature difference T of room temperature and Energy Saving Control mode set temperature is less than T4, otherwise enters Step S11；
S11 setting frequency-changeable compressor target frequency is F4, electric expansion valve target aperture is V4, and control load is transported according to target Row, subsequently into step S15；
S12 setting frequency-changeable compressor target frequency is F1, electric expansion valve target aperture is V1, and control load is transported according to target Row, subsequently into step S15；
S13 setting frequency-changeable compressor target frequency is F2, electric expansion valve target aperture is V2, and control load is transported according to target Row, subsequently into step S15；
S14 setting frequency-changeable compressor target frequency is F3, electric expansion valve target aperture is V3, and control load is transported according to target Row, subsequently into step S15；
S15 forces indoor fan wind speed, subsequently into step according to current compressor operating frequency and electronic expansion valve opening S16；
S16 receives the outdoor coil temperature that outdoor coil temperature sensor detects, when outdoor coil temperature is less than temperature Tc S17 is entered step, S19 is otherwise entered step；
S17 forces to carry out outdoor fan control, subsequently into step S19；
S18 is run using the permission running frequency of step S2 as reference frequency according to the ratio x frequency reducing of reference frequency, subsequently into Step S19；
S19 terminates the calculating of refrigeration mode frequency；
The Ta is 32~35 DEG C；Energy Saving Control mode set temperature is 25~26 DEG C；Tb is 2~3 DEG C；T1 is -2 DEG C；T2 be- 1~0 DEG C；T3 is 0~1 DEG C；T4 is 1~2 DEG C；The Tc is 40~45 DEG C；
The frequency-changeable compressor target frequency F1 be 10Hz~15Hz, the frequency-changeable compressor target frequency F2 be 15Hz~ 20Hz, the frequency-changeable compressor target frequency F3 be 20Hz~30Hz, the frequency-changeable compressor target frequency F4 be 30Hz~ 40Hz；Electric expansion valve target aperture V1 is 150~200 steps, and electric expansion valve target aperture V2 is 150~200 steps, and electronics is swollen Swollen valve target aperture V3 is 200~250 steps, and electric expansion valve target aperture V4 is 250~300 steps.
2. the energy-saving control method under the air conditioner refrigeration mode according to claim 1 based on users'comfort, special Sign is: ratio x is 70%~90%.
CN201510949058.5A 2015-12-18 2015-12-18 A kind of energy-saving control method under air conditioner refrigeration mode based on users'comfort Active CN106895541B (en)

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