CN105444352B - Control method and device for air conditioner frequency - Google Patents
Control method and device for air conditioner frequency Download PDFInfo
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- CN105444352B CN105444352B CN201510885089.9A CN201510885089A CN105444352B CN 105444352 B CN105444352 B CN 105444352B CN 201510885089 A CN201510885089 A CN 201510885089A CN 105444352 B CN105444352 B CN 105444352B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005070 sampling Methods 0.000 claims abstract description 52
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000005057 refrigeration Methods 0.000 claims description 7
- 210000002186 septum of brain Anatomy 0.000 claims 1
- 239000003550 marker Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F24F11/62—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
- F24F11/30—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
- 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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
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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
Description
(-∞,Tin1] | (Tin1,Tin2] | … | (Tin(k-1),+∞) | |
(-∞,Tout1] | KP/KI/KD[1,1] | KP/KI/KD[2,1] | … | KP/KI/KD[k,1] |
(Tout1,Tout2] | KP/KI/KD[1,2] | KP/KI/KD[2,2] | … | KP/KI/KD[k,2] |
… | … | … | … | … |
(Tout(k-1),+∞) | KP/KI/KD[1,k-1] | KP/KI/KD[2,k-1] | … | KP/KI/KD[k,k] |
Claims (8)
- A kind of 1. control method of air conditioner frequency, it is characterised in that including:According to the mode of operation of air conditioner, N number of temperature gap corresponding to air conditioner difference described in N number of sampling instant is determined, N is big In the integer equal to 2;According to N number of temperature gap, the change function of the air conditioner frequency is established, the change function includes ratio system Number, integral coefficient and differential coefficient;According to the inner ring temperature and outer shroud temperature of the air conditioner, the proportionality coefficient, integral coefficient and differential system are determined Several numerical value, including:The separate interval of the separate interval of division inner ring temperature and outer shroud temperature in advance;Determine the air conditioner Inner ring temperature residing for the first separate interval and the air conditioner outer shroud temperature residing for the second separate interval;Will with institute Stating the first separate interval and second separate interval, corresponding scaling factor v is defined as comparing in the change function simultaneously The numerical value of example coefficient;Will be with first separate interval and second separate interval corresponding integral coefficient numerical value determination simultaneously For the numerical value of integral coefficient in the change function;Will be simultaneously corresponding with first separate interval and second separate interval Differential coefficient numerical value be defined as it is described change function in differential coefficient numerical value;According to the numerical value of the proportionality coefficient, integral coefficient and differential coefficient, the changing value of the air conditioner frequency is determined.
- 2. the method as described in claim 1, it is characterised in that according to the mode of operation of air conditioner, determine N number of sampling instant institute Stating air conditioner, corresponding N number of temperature gap specifically includes respectively:When the mode of operation of air conditioner is refrigeration mode, determine that air conditioner described in N number of sampling instant is distinguished according to the following equation Corresponding N number of temperature gap:Δ T [i]=T [i]-TsetWhen the mode of operation of air conditioner is heating mode, determine that air conditioner described in N number of sampling instant is distinguished according to the following equation Corresponding N number of temperature gap:Δ T [i]=Tset-T[i]Wherein, Δ T [i] represents temperature gap corresponding to air conditioner described in the ith sample moment, when T [i] represents ith sample Carve inner ring temperature, T corresponding to the air conditionersetRepresent the temperature of the air conditioner setting.
- 3. method as claimed in claim 2, it is characterised in that according to the following equation according to N number of temperature gap, establish institute State the change function of air conditioner frequency:<mrow> <mi>&Delta;</mi> <mi>F</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>=</mo> <msub> <mi>K</mi> <mi>P</mi> </msub> <mo>&times;</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>+</mo> <msub> <mi>K</mi> <mi>I</mi> </msub> <mo>&times;</mo> <msub> <mi>T</mi> <mi>o</mi> </msub> <mo>&times;</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>j</mi> <mo>=</mo> <mn>0</mn> </mrow> <mi>i</mi> </munderover> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>j</mi> <mo>&rsqb;</mo> <mo>+</mo> <msub> <mi>K</mi> <mi>D</mi> </msub> <mo>&times;</mo> <mrow> <mo>(</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>-</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>-</mo> <mn>1</mn> <mo>&rsqb;</mo> <mo>)</mo> </mrow> </mrow>Wherein, Δ F [i] represents the change function of air conditioner frequency described in the ith sample moment, ToRepresent sampling period, KPRepresent The proportionality coefficient, KIRepresent the integral coefficient, KDRepresent the differential coefficient.
- 4. the method as described in claim 1, it is characterised in that described according to the proportionality coefficient, integral coefficient and differential The numerical value of coefficient, determine that the changing value of the air conditioner frequency specifically includes:Determine the number of sampling instant to be calculated;According to the numerical value of the proportionality coefficient, integral coefficient and differential coefficient, the air conditioner frequency is determined according to the following equation The changing value of rate:<mrow> <mi>&Delta;</mi> <mi>F</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>=</mo> <msub> <mi>K</mi> <mi>P</mi> </msub> <mo>&lsqb;</mo> <mi>m</mi> <mo>,</mo> <mi>n</mi> <mo>&rsqb;</mo> <mo>&times;</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>+</mo> <msub> <mi>K</mi> <mi>I</mi> </msub> <mo>&lsqb;</mo> <mi>m</mi> <mo>,</mo> <mi>n</mi> <mo>&rsqb;</mo> <mo>&times;</mo> <msub> <mi>T</mi> <mn>0</mn> </msub> <mo>&times;</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>j</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow> <mi>M</mi> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>-</mo> <mi>j</mi> <mo>&rsqb;</mo> <mo>+</mo> <msub> <mi>K</mi> <mi>D</mi> </msub> <mo>&lsqb;</mo> <mi>m</mi> <mo>,</mo> <mi>n</mi> <mo>&rsqb;</mo> <mo>&times;</mo> <mrow> <mo>(</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>-</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>-</mo> <mn>1</mn> <mo>&rsqb;</mo> <mo>)</mo> </mrow> </mrow>Wherein, Δ F [i] represents the changing value of air conditioner frequency described in the ith sample moment, KP[m, n] represents the proportionality coefficient Numerical value, KI[m, n] represents the numerical value of the integral coefficient, KD[m, n] represents the numerical value of the differential coefficient, ToRepresent sampling Cycle, Δ T [i] represent temperature gap corresponding to air conditioner described in the ith sample moment, and M represents the described to be calculated of determination The number of sampling instant, M are the integer more than or equal to 1.
- A kind of 5. control device of air conditioner frequency, it is characterised in that including:Temperature gap determining unit, for the mode of operation according to air conditioner, determine that air conditioner described in N number of sampling instant is right respectively The N number of temperature gap answered, N are the integer more than or equal to 2;Frequency change function establishes unit, for according to N number of temperature gap, establishing the change letter of the air conditioner frequency Number, the change function include proportionality coefficient, integral coefficient and differential coefficient;Factor v determining unit, for the inner ring temperature and outer shroud temperature according to the air conditioner, determine the ratio system The numerical value of number, integral coefficient and differential coefficient, including:Separate interval division module, for dividing point of inner ring temperature in advance Between septal area and outer shroud temperature separate interval;Separate interval determining module, for determining the inner ring temperature institute of the air conditioner The second separate interval residing for first separate interval at place and the outer shroud temperature of the air conditioner;Scaling factor v determines mould Block, for will be with first separate interval and second separate interval described in corresponding scaling factor v is defined as simultaneously Change the numerical value of proportionality coefficient in function;Integral coefficient numerical value determining module, for will be with first separate interval and described Corresponding integral coefficient numerical value is defined as the numerical value for changing integral coefficient in function to second separate interval simultaneously;Differential coefficient Numerical value determining module, for will be with first separate interval and second separate interval corresponding differential coefficient numerical value simultaneously It is defined as the numerical value of differential coefficient in the change function;Frequency change determining unit, for the numerical value according to the proportionality coefficient, integral coefficient and differential coefficient, determine institute State the changing value of air conditioner frequency.
- 6. device as claimed in claim 5, it is characterised in that the temperature gap determining unit specifically includes:First determining module, for when the mode of operation of air conditioner is refrigeration mode, when determining N number of sampling according to the following equation Carve N number of temperature gap corresponding to the air conditioner difference:Δ T [i]=T [i]-TsetSecond determining module, for when the mode of operation of air conditioner is heating mode, when determining N number of sampling according to the following equation Carve N number of temperature gap corresponding to the air conditioner difference:Δ T [i]=Tset-T[i]Wherein, Δ T [i] represents temperature gap corresponding to air conditioner described in the ith sample moment, when T [i] represents ith sample Carve inner ring temperature, T corresponding to the air conditionersetRepresent the temperature of the air conditioner setting.
- 7. device as claimed in claim 6, it is characterised in that the frequency change function is established unit and specifically included:Formula establishes module, for according to N number of temperature gap, establishing the change of the air conditioner frequency according to the following equation Function:<mrow> <mi>&Delta;</mi> <mi>F</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>=</mo> <msub> <mi>K</mi> <mi>p</mi> </msub> <mo>&times;</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>+</mo> <msub> <mi>K</mi> <mi>I</mi> </msub> <mo>&times;</mo> <msub> <mi>T</mi> <mi>o</mi> </msub> <mo>&times;</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>j</mi> <mo>=</mo> <mn>0</mn> </mrow> <mi>i</mi> </munderover> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>j</mi> <mo>&rsqb;</mo> <mo>+</mo> <msub> <mi>K</mi> <mi>D</mi> </msub> <mo>&times;</mo> <mrow> <mo>(</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>-</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>-</mo> <mn>1</mn> <mo>&rsqb;</mo> <mo>)</mo> </mrow> </mrow>Wherein, Δ F [i] represents the change function of air conditioner frequency described in the ith sample moment, ToRepresent sampling period, KPRepresent The proportionality coefficient, KIRepresent the integral coefficient, KDRepresent the differential coefficient.
- 8. device as claimed in claim 5, it is characterised in that the frequency change determining unit specifically includes:Sampling instant number determining module, for determining the number of sampling instant to be calculated;Computing module, for the numerical value according to the proportionality coefficient, integral coefficient and differential coefficient, determine according to the following equation The changing value of the air conditioner frequency:<mrow> <mi>&Delta;</mi> <mi>F</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>=</mo> <msub> <mi>K</mi> <mi>P</mi> </msub> <mo>&lsqb;</mo> <mi>m</mi> <mo>,</mo> <mi>n</mi> <mo>&rsqb;</mo> <mo>&times;</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>+</mo> <msub> <mi>K</mi> <mi>I</mi> </msub> <mo>&lsqb;</mo> <mi>m</mi> <mo>,</mo> <mi>n</mi> <mo>&rsqb;</mo> <mo>&times;</mo> <msub> <mi>T</mi> <mn>0</mn> </msub> <mo>&times;</mo> <munderover> <mo>&Sigma;</mo> <mrow> <mi>j</mi> <mo>=</mo> <mn>0</mn> </mrow> <mrow> <mi>M</mi> <mo>-</mo> <mn>1</mn> </mrow> </munderover> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>-</mo> <mi>j</mi> <mo>&rsqb;</mo> <mo>+</mo> <msub> <mi>K</mi> <mi>D</mi> </msub> <mo>&lsqb;</mo> <mi>m</mi> <mo>,</mo> <mi>n</mi> <mo>&rsqb;</mo> <mo>&times;</mo> <mrow> <mo>(</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>&rsqb;</mo> <mo>-</mo> <mi>&Delta;</mi> <mi>T</mi> <mo>&lsqb;</mo> <mi>i</mi> <mo>-</mo> <mn>1</mn> <mo>&rsqb;</mo> <mo>)</mo> </mrow> </mrow>Wherein, Δ F [i] represents the changing value of air conditioner frequency described in the ith sample moment, KP[m, n] represents the proportionality coefficient Numerical value, KI[m, n] represents the numerical value of the integral coefficient, KD[m, n] represents the numerical value of the differential coefficient, ToRepresent sampling Cycle, Δ T [i] represent temperature gap corresponding to air conditioner described in the ith sample moment, and M represents the described to be calculated of determination The number of sampling instant, M are the integer more than or equal to 1.
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CN107277959A (en) * | 2017-06-27 | 2017-10-20 | 天津掌心众联科技有限公司 | A kind of electromagnetic heating system and method based on PID control |
CN107887672A (en) * | 2017-10-10 | 2018-04-06 | 中车工业研究院有限公司 | A kind of lithium ion battery temprature control method and device |
CN108361926B (en) * | 2018-01-26 | 2020-02-04 | 青岛海尔空调器有限总公司 | Air conditioner control method based on temperature and cold feeling and air conditioner |
CN111169251B (en) * | 2020-01-02 | 2021-10-29 | 珠海格力电器股份有限公司 | Control method for air conditioner high-voltage protection, computer readable storage medium and air conditioner |
CN112611091B (en) * | 2020-12-22 | 2022-03-29 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner and control method thereof |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101968249A (en) * | 2010-09-09 | 2011-02-09 | 宁波奥克斯电气有限公司 | Method for regulating normal operating frequency of DC inverter compressor |
CN103954023A (en) * | 2014-04-09 | 2014-07-30 | 广东美的集团芜湖制冷设备有限公司 | Control method and controller for compressors of air conditioners and air conditioner |
CN104236018A (en) * | 2014-09-05 | 2014-12-24 | 美的集团武汉制冷设备有限公司 | Air conditioner control method and air conditioner control device |
CN104515254A (en) * | 2013-09-30 | 2015-04-15 | 海尔集团公司 | Air conditioning compressor frequency control method |
CN105020843A (en) * | 2014-04-30 | 2015-11-04 | 广东美的暖通设备有限公司 | Air conditioner control method, air conditioner control device and air conditioner |
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JPH06185787A (en) * | 1992-12-18 | 1994-07-08 | Fujitsu General Ltd | Controlling method of air conditioner |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101968249A (en) * | 2010-09-09 | 2011-02-09 | 宁波奥克斯电气有限公司 | Method for regulating normal operating frequency of DC inverter compressor |
CN104515254A (en) * | 2013-09-30 | 2015-04-15 | 海尔集团公司 | Air conditioning compressor frequency control method |
CN103954023A (en) * | 2014-04-09 | 2014-07-30 | 广东美的集团芜湖制冷设备有限公司 | Control method and controller for compressors of air conditioners and air conditioner |
CN105020843A (en) * | 2014-04-30 | 2015-11-04 | 广东美的暖通设备有限公司 | Air conditioner control method, air conditioner control device and air conditioner |
CN104236018A (en) * | 2014-09-05 | 2014-12-24 | 美的集团武汉制冷设备有限公司 | Air conditioner control method and air conditioner control device |
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