CN107514774A - Air conditioner and its efficiency computational methods - Google Patents
Air conditioner and its efficiency computational methods Download PDFInfo
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- CN107514774A CN107514774A CN201710774504.2A CN201710774504A CN107514774A CN 107514774 A CN107514774 A CN 107514774A CN 201710774504 A CN201710774504 A CN 201710774504A CN 107514774 A CN107514774 A CN 107514774A
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Abstract
The invention discloses a kind of air conditioner and its efficiency computational methods, the described method comprises the following steps:Obtain current working, the power and air conditioner power consumption of compressor of air conditioner;Obtain compressor return air mouth temperature t1, exhaust outlet of compressor temperature t2, outdoor heat exchanger first end temperature t4, indoor heat exchanger middle portion temperature t6, indoor environment temperature t10With compressor tonifying Qi temperature t8;According to the indoor heat exchanger middle portion temperature t6With indoor environment temperature t10Generate the indoor heat exchanger first end temperature t of the indoor heat exchanger first end7;When the current working of air conditioner is cooling condition, according to t1、t2、t4、t7And t8The mixture enthalpy h of above-mentioned each temperature detecting point is generated respectively1、h2、h4And h7、h8’、h8”;According to the power of compressor, h1、h2、h4And h7、h8’、h8”Generate the refrigerating capacity of air conditioner;And the efficiency of air conditioner is generated according to air conditioner power consumption and refrigerating capacity.
Description
Technical field
The present invention relates to air conditioner technical field, the efficiency computational methods of more particularly to a kind of air conditioner, a kind of air conditioner,
A kind of non-transitorycomputer readable storage medium.
Background technology
It is comfortably the problem of user more pays close attention to that whether air conditioner, which saves,.
Current air conditioner is difficult to maintain preferable fortune operationally due to that can not know the situation of change of efficiency
Row state, cooling or heating effect and energy-efficient performance are not ideal enough.
The content of the invention
It is contemplated that at least solves one of technical problem in above-mentioned technology to a certain extent.Therefore, the present invention
One purpose is the efficiency computational methods for proposing a kind of air conditioner, can real-time and accurately detect the efficiency of air conditioner.
Second object of the present invention is to propose a kind of air conditioner.
Third object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
Fourth object of the present invention is the efficiency computing system for proposing a kind of air conditioner.
The 5th purpose of the present invention is the efficiency computational methods for proposing another air conditioner.
The 6th purpose of the present invention is to propose another air conditioner.
The 7th purpose of the present invention is to propose another non-transitorycomputer readable storage medium.
The 8th purpose of the present invention is the efficiency computing system for proposing another air conditioner.
To reach above-mentioned purpose, a kind of efficiency computational methods for air conditioner that first aspect present invention embodiment proposes include
Following steps:Obtain current working, the power and air conditioner power consumption of compressor of air conditioner;Obtain gas returning port in compressor
Gas returning port temperature t1, in the compressor exhaust outlet exhaust port temperatures t2, outdoor heat exchanger first end outdoor heat exchanger
One end temperature t4, indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6, indoor environment temperature t10Enter with compressor tonifying Qi
The tonifying Qi temperature t of mouth8;According to the indoor heat exchanger middle portion temperature t6With indoor environment temperature t10Generate the indoor heat exchanger
The indoor heat exchanger first end temperature t of first end7;When the current working of the air conditioner is cooling condition, according to the pressure
The gas returning port temperature t of gas returning port in contracting machine1Generate the refrigerant enthalpy h of gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, according to institute
State the exhaust port temperatures t of exhaust outlet in compressor2Generate the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, root
According to the outdoor heat exchanger first end temperature t of outdoor heat exchanger first end4Generate the refrigerant enthalpy of outdoor heat exchanger first end
h4 refrigerantsWith lubricating oil enthalpy h4 lubricating oil, according to the indoor heat exchanger first end temperature t of indoor heat exchanger first end7Generation interior is changed
The refrigerant enthalpy h of hot device first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, according to the tonifying Qi temperature t of compressor tonifying Qi entrance8Point
The gaseous refrigerant enthalpy h of compressor Sheng Cheng not filled into8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy
Value h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oil;According to the refrigerant enthalpy h of the gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oilGeneration
The mixture enthalpy h of gas returning port1, according to the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oilGenerate exhaust outlet
Mixture enthalpy h2, according to the refrigerant enthalpy h of outdoor heat exchanger first end4 refrigerantsWith lubricating oil enthalpy h4 lubricating oilGeneration outdoor is changed
The mixture enthalpy h of hot device first end4, according to the refrigerant enthalpy t of indoor heat exchanger first end7 refrigerantsWith lubricating oil enthalpy
h7 lubricating oilGenerate the mixture enthalpy h of indoor heat exchanger first end7, according to the gaseous refrigerant enthalpy h for filling into compressor8 ' refrigerantsWith
Lubricating oil enthalpy h8 ' lubricating oilGeneration fills into compressor mixture enthalpy h8’, according to the liquid refrigerant enthalpy h of flash vessel8 " refrigerantsWith
Lubricating oil enthalpy h8 " lubricating oilGenerate the mixture enthalpy h of flash vessel8”;According to the power of the compressor, the gas returning port it is mixed
Compound enthalpy h1, exhaust outlet mixture enthalpy h2, outdoor heat exchanger first end mixture enthalpy h4, indoor heat exchanger first
The mixture enthalpy h at end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”Generate the refrigeration of air conditioner
Amount;And the efficiency of the air conditioner is generated according to the air conditioner power consumption and the refrigerating capacity.
The efficiency computational methods of air conditioner according to embodiments of the present invention, by the current working, the compression that obtain air conditioner
The power and air conditioner power consumption of machine, and obtain gas returning port in compressor, exhaust outlet, outdoor heat exchanger first end and interior and change
Temperature, the tonifying Qi temperature of compressor tonifying Qi entrance in the middle part of hot device, indoor environment temperature t10, and in air conditioner in refrigeration work
The refrigerant enthalpy and lubricating oil enthalpy of above-mentioned each temperature detecting point are generated during condition according to the temperature of above-mentioned each temperature detecting point
Value, and the mixture enthalpy of each temperature detecting point is further generated, power, above-mentioned each temperature inspection then in conjunction with compressor
The mixture enthalpy and air conditioner power consumption of measuring point obtain the efficiency of air conditioner, and thereby, it is possible to real-time and accurately detect sky
The efficiency of device is adjusted, consequently facilitating optimizing the running status of air conditioner according to the real-time energy efficiency of air conditioner, reaches energy-conservation and improves system
The purpose of cold effect.
In addition, the efficiency computational methods of the air conditioner proposed according to the above embodiment of the present invention can also have following add
Technical characteristic:
According to one embodiment of present invention, the refrigerant enthalpy h of gas returning port is generated1 refrigerantSpecifically include:According to described time
Gas port temperature t1With indoor heat exchanger middle portion temperature t6Generate suction superheat Δ t1;According to the suction superheat Δ t1And room
Interior heat exchanger middle portion temperature t6Generate the modifying factor D of gas returning port refrigerant enthalpy1;According to the indoor heat exchanger middle portion temperature
t6Generate the enthalpy h of saturation refrigerant under suction temperatureAir-breathing saturation;According to the modifying factor D of the gas returning port refrigerant enthalpy1, institute
State the enthalpy h of saturation refrigerantAir-breathing saturationGenerate the refrigerant enthalpy h1 refrigerant.Further, air-breathing is generated according to below equation
At a temperature of saturation refrigerant enthalpy hAir-breathing saturation:hAir-breathing saturation=a1+a2t6+a3t2 6+a4t3 6+a5, wherein, a1-a5It is corresponding for refrigerant
Saturation region coefficient.
Further, the enthalpy h of saturation refrigerant under suction temperature is generated according to below equationAir-breathing saturation:
hAir-breathing saturation=a1+a2t6+a3t2 6+a4t3 6+a5, wherein, a1-a5For saturation region coefficient corresponding to refrigerant.
Further, the modifying factor D of gas returning port refrigerant enthalpy is generated according to below equation1:
D1=1+d1Δt1+d2(Δt1)2+d3(Δt1)t6+d4(Δt1)2t6+d5(Δt1)t2 6+d6(Δt1)2t2 6, wherein,
d1-d6For overheated zone coefficient corresponding to refrigerant.
Further, the refrigerant enthalpy h of indoor heat exchanger first end is generated7 refrigerantsSpecifically include:Changed according to the interior
Hot device first end temperature t7With the indoor heat exchanger middle portion temperature t6Generate degree of superheat Δ t7;According to the degree of superheat Δ t7With
The indoor heat exchanger middle portion temperature t6Generate the modifying factor D of indoor heat exchanger first end refrigerant enthalpy7;According to the room
The modifying factor D of interior heat exchanger first end refrigerant enthalpy7With the enthalpy h of the saturation refrigerantAir-breathing saturationGenerate the refrigerant
Enthalpy h7 refrigerants。
Further, the modifying factor D of indoor heat exchanger first end refrigerant enthalpy is generated according to below equation7:
Wherein, d1-d6
For overheated zone coefficient corresponding to refrigerant.
According to one embodiment of present invention, the refrigerant enthalpy h of the generation exhaust outlet2 refrigerantsSpecifically include:Obtain
Take the outdoor heat exchanger middle portion temperature t in the middle part of outdoor heat exchanger3;According to the exhaust port temperatures t of exhaust outlet in the compressor2With
The outdoor heat exchanger middle portion temperature t3Generate discharge superheat Δ t2;According to the discharge superheat Δ t2Changed with the outdoor
Hot device middle portion temperature t3Generate the modifying factor D of exhaust outlet refrigerant enthalpy2:According to the outdoor heat exchanger middle portion temperature t3It is raw
The enthalpy h of saturation refrigerant under into delivery temperatureIt is vented saturation;According to the modifying factor D of the exhaust outlet refrigerant enthalpy2, the row
The enthalpy h of saturation refrigerant at a temperature of gasIt is vented saturationGenerate the refrigerant enthalpy h of the exhaust outlet2 refrigerants。
Further, the modifying factor D of exhaust outlet refrigerant enthalpy is generated according to below equation2:
Wherein, d1-d6
For overheated zone coefficient corresponding to refrigerant.
According to one embodiment of present invention, the refrigerant enthalpy of the outdoor heat exchanger first end is generated according to below equation
Value h4 refrigerants:
Wherein, c1-c4For fauna number is subcooled corresponding to refrigerant.
According to one embodiment of present invention, the refrigerating capacity of air conditioner is generated according to below equation:Wherein, QRefrigerating capacityFor the refrigerating capacity of the air conditioner,
PcomFor the power of compressor.
According to one embodiment of present invention, the lubricating oil enthalpy of each temperature detecting point is calculated according to below equation
hI lubricating oil, wherein, i is positive integer,
hI lubricating oil=-0.0808+1.7032ti+0.0025t2 i, wherein, tiFor the temperature of temperature detecting point.
According to one embodiment of present invention, the mixture enthalpy h of each temperature detecting point is calculated according to below equationi,
Wherein, i is positive integer,
hi=(1-Cg)hI refrigerants+CghI lubricating oil
Cg=f/104, wherein, CgFor mixture oil content, f is the running frequency of the compressor.
To reach above-mentioned purpose, a kind of air conditioner that second aspect of the present invention embodiment proposes includes memory, processor
And the computer program that can be run on the memory and on the processor is stored in, calculating described in the computing device
During machine program, the efficiency computational methods for the air conditioner that first aspect present invention embodiment proposes are realized.
Air conditioner according to embodiments of the present invention, real-time and accurately efficiency can be detected, be easy to according to real-time energy
Effect carries out running status optimization, reaches energy-conservation and improves the purpose of refrigeration.
To reach above-mentioned purpose, a kind of non-transitory computer-readable storage medium that third aspect present invention embodiment proposes
Matter, is stored thereon with computer program, and the computer program realizes first aspect present invention embodiment when being executed by processor
The efficiency computational methods of the air conditioner of proposition.
Non-transitorycomputer readable storage medium according to embodiments of the present invention, by the computer journey for performing its storage
Sequence, the efficiency of air conditioner can be real-time and accurately detected, consequently facilitating optimizing air conditioner according to the real-time energy efficiency of air conditioner
Running status, reach energy-conservation and improve the purpose of refrigeration.
To reach above-mentioned purpose, a kind of efficiency computing system bag for air conditioner that fourth aspect present invention embodiment proposes
Include:Acquisition module, for obtaining the current working of air conditioner, the power of compressor and air conditioner power consumption;Gas returning port temperature
Sensor, for obtaining the gas returning port temperature t of gas returning port in compressor1;Exhaust port temperatures sensor, for obtaining the compression
The exhaust port temperatures t of exhaust outlet in machine2;Tonifying Qi inlet temperature sensor, for obtaining the tonifying Qi temperature of compressor tonifying Qi entrance
t8;Indoor temperature transmitter, for obtaining indoor environment temperature t10;Outdoor heat exchanger first end temperature sensor, for obtaining
The outdoor heat exchanger first end temperature t of outdoor heat exchanger first end4;Indoor heat exchanger middle portion temperature sensor, for obtaining room
Indoor heat exchanger middle portion temperature t in the middle part of interior heat exchanger6;Indoor heat exchanger first end temperature generation module, for according to
Indoor heat exchanger middle portion temperature t6With indoor environment temperature t10Generate the first end temperature t of the indoor heat exchanger7;Mixture enthalpy
It is worth generation module, for when the current working of the air conditioner be cooling condition, according to time of gas returning port in the compressor
Gas port temperature t1, in the compressor exhaust outlet exhaust port temperatures t2, outdoor heat exchanger first end outdoor heat exchanger first end
Temperature t4, indoor heat exchanger first end indoor heat exchanger first end temperature t7With the tonifying Qi temperature t of compressor tonifying Qi entrance8Point
Not Sheng Cheng gas returning port refrigerant enthalpy h1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, exhaust outlet refrigerant enthalpy h2 refrigerantsAnd lubricating oil
Enthalpy h2 lubricating oil, outdoor heat exchanger first end refrigerant enthalpy h4 refrigerantsWith lubricating oil enthalpy h4 lubricating oil, indoor heat exchanger first end
Refrigerant enthalpy h7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, fill into the gaseous refrigerant enthalpy h of compressor8 ' refrigerantsWith lubricating oil enthalpy
Value h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oil, and the system according to the gas returning port
Cryogen enthalpy h1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, exhaust outlet refrigerant enthalpy h2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, outdoor changes
The refrigerant enthalpy h of hot device first end4 refrigerantsWith lubricating oil enthalpy h4 lubricating oil, indoor heat exchanger first end refrigerant enthalpy t7 refrigerants
With lubricating oil enthalpy h7 lubricating oil, fill into the gaseous refrigerant enthalpy h of compressor8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid
State refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oilGenerate the mixture enthalpy h of gas returning port1, exhaust outlet mixture enthalpy
h2, outdoor heat exchanger first end mixture enthalpy h4, indoor heat exchanger first end mixture enthalpy h7, fill into compressor and mix
Compound enthalpy h8’With the mixture enthalpy h of flash vessel8”;Refrigerating capacity generation module, for the power according to the compressor, institute
State the mixture enthalpy h of gas returning port1, exhaust outlet mixture enthalpy h2, outdoor heat exchanger first end mixture enthalpy h4, room
The mixture enthalpy h of interior heat exchanger first end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”Generation
The refrigerating capacity of air conditioner;And efficiency generation module, for generating institute according to the air conditioner power consumption and the refrigerating capacity
State the efficiency of air conditioner.
The efficiency computing system of air conditioner according to embodiments of the present invention, the current work of air conditioner is obtained by acquisition module
Condition, the power of compressor and air conditioner power consumption, and gas returning port in compressor, exhaust are obtained by corresponding temperature sensor
Temperature, tonifying Qi temperature, the indoor environment temperature of compressor tonifying Qi entrance in the middle part of mouth, outdoor heat exchanger first end and indoor heat exchanger
Spend t10, and given birth to when air conditioner is in cooling condition by mixture enthalpy generation module, refrigerating capacity generation module and efficiency
The refrigerant enthalpy and lubricating oil of above-mentioned each temperature detecting point are generated according to the temperature of above-mentioned each temperature detecting point into module
Enthalpy, and the mixture enthalpy of each temperature detecting point is further generated, power, above-mentioned each temperature then in conjunction with compressor
The mixture enthalpy and air conditioner power consumption of test point obtain the efficiency of air conditioner, and thereby, it is possible to real-time and accurately detect
The efficiency of air conditioner, consequently facilitating optimizing the running status of air conditioner according to the real-time energy efficiency of air conditioner, reach energy-conservation and improve
The purpose of refrigeration.
To reach above-mentioned purpose, the efficiency computational methods bag for another air conditioner that fifth aspect present invention embodiment proposes
Include following steps:Obtain current working, the power and air conditioner power consumption of compressor of air conditioner;Obtain return-air in compressor
The gas returning port temperature t of mouth1, in the compressor exhaust outlet exhaust port temperatures t2, the end of indoor heat exchanger second indoor heat exchanger
Second end temperature t5, indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6, indoor environment temperature t10With compressor tonifying Qi
The tonifying Qi temperature t of entrance8;According to the indoor heat exchanger middle portion temperature t6With indoor environment temperature t10Generate the indoor heat exchange
The indoor heat exchanger first end temperature t of device first end7;When the current working of the air conditioner is heating condition, according to described
The gas returning port temperature t of gas returning port in compressor1Generate the refrigerant enthalpy h of gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, according to
The exhaust port temperatures t of exhaust outlet in the compressor2Generate the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil,
According to the second end of indoor heat exchanger temperature t at the end of indoor heat exchanger second5Generate the refrigerant enthalpy at the end of indoor heat exchanger second
h5 refrigerantsWith lubricating oil enthalpy h5 lubricating oil, according to the indoor heat exchanger first end temperature t of indoor heat exchanger first end7Generation interior is changed
The refrigerant enthalpy h of hot device first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, according to the tonifying Qi temperature t of compressor tonifying Qi entrance8Point
The gaseous refrigerant enthalpy h of compressor Sheng Cheng not filled into8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy
Value h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oil;According to the refrigerant enthalpy h of the gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oilGeneration
The mixture enthalpy h of gas returning port1, according to the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oilGenerate exhaust outlet
Mixture enthalpy h2, according to the refrigerant enthalpy h at the end of indoor heat exchanger second5 refrigerantsWith lubricating oil enthalpy h5 lubricating oilGeneration interior is changed
The mixture enthalpy h at the hot end of device second5, according to the refrigerant enthalpy t of indoor heat exchanger first end7 refrigerantsWith lubricating oil enthalpy
h7 lubricating oilGenerate the mixture enthalpy h of indoor heat exchanger first end7, according to the gaseous refrigerant enthalpy h for filling into compressor8 ' refrigerantsWith
Lubricating oil enthalpy h8 ' lubricating oilGeneration fills into compressor mixture enthalpy h8’, according to the liquid refrigerant enthalpy h of flash vessel8 " refrigerantsWith
Lubricating oil enthalpy h8 " lubricating oilGenerate the mixture enthalpy h of flash vessel8”;According to the power of the compressor, the gas returning port it is mixed
Compound enthalpy h1, exhaust outlet mixture enthalpy h2, the end of indoor heat exchanger second mixture enthalpy h5, indoor heat exchanger first
The mixture enthalpy h at end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”Generate the heating of air conditioner
Amount;And the efficiency of the air conditioner is generated according to the air conditioner power consumption and the heating capacity.
The efficiency computational methods of air conditioner according to embodiments of the present invention, by the current working, the compression that obtain air conditioner
The power and air conditioner power consumption of machine, and obtain gas returning port in compressor, exhaust outlet, the end of indoor heat exchanger second and interior and change
The tonifying Qi temperature t of temperature, compressor tonifying Qi entrance in the middle part of hot device8, indoor environment temperature t10, and be in and heat in air conditioner
The refrigerant enthalpy and lubricating oil of above-mentioned each temperature detecting point are generated during operating mode according to the temperature of above-mentioned each temperature detecting point
Enthalpy, and the mixture enthalpy of each temperature detecting point is further generated, power, above-mentioned each temperature then in conjunction with compressor
The mixture enthalpy and air conditioner power consumption of test point obtain the efficiency of air conditioner, and thereby, it is possible to real-time and accurately detect
The efficiency of air conditioner, consequently facilitating optimizing the running status of air conditioner according to the real-time energy efficiency of air conditioner, reach energy-conservation and improve
The purpose of heating effect.
In addition, the efficiency computational methods of the air conditioner proposed according to the above embodiment of the present invention can also have following add
Technical characteristic:
According to one embodiment of present invention, the refrigerant enthalpy h of the generation gas returning port1 refrigerantSpecifically include:Obtain room
Outdoor heat exchanger middle portion temperature t in the middle part of external heat exchanger3;According to the gas returning port temperature t1With temperature in the middle part of the outdoor heat exchanger
Spend t3Generate suction superheat Δ t1;According to the suction superheat Δ t1With the outdoor heat exchanger middle portion temperature t3Generate back
The modifying factor D of gas port refrigerant enthalpy1;According to the outdoor heat exchanger middle portion temperature t3Saturation under suction temperature is generated to freeze
The enthalpy h of agentAir-breathing saturation;According to the modifying factor D of the gas returning port refrigerant enthalpy1, saturation refrigerant under the suction temperature
Enthalpy hAir-breathing saturationGenerate the refrigerant enthalpy h of the gas returning port1 refrigerant。
Further, the enthalpy h of saturation refrigerant under the suction temperature is generated according to below equationAir-breathing saturation:
Wherein, a1-a5For saturation region coefficient corresponding to refrigerant.
Further, the modifying factor D of the gas returning port refrigerant enthalpy is generated according to below equation1:
Wherein, d1-d6For
Overheated zone coefficient corresponding to refrigerant.
Further, the refrigerant enthalpy h of the generation exhaust outlet2 refrigerantsSpecifically include:According to the indoor heat exchange
Indoor heat exchanger middle portion temperature t in the middle part of device6With the exhaust port temperatures t of exhaust outlet in the compressor2Generate discharge superheat Δ
t2;According to the discharge superheat Δ t2With the indoor heat exchanger middle portion temperature t6Generate the amendment of exhaust outlet refrigerant enthalpy
Factor D2;According to the indoor heat exchanger middle portion temperature t in the middle part of the indoor heat exchanger6Generate saturation refrigerant under delivery temperature
Enthalpy hIt is vented saturation;According to the modifying factor D of the exhaust outlet refrigerant enthalpy2, under the delivery temperature saturation refrigerant enthalpy
hIt is vented saturationGenerate the refrigerant enthalpy h of the exhaust outlet2 refrigerants。
Further, the modifying factor D of the exhaust outlet refrigerant enthalpy is generated according to below equation2:
D2=1+d1Δt2+d2(Δt2)2+d3(Δt2)t6+d4(Δt2)2t6+d5(Δt2)t2 6+d6(Δt2)2t2 6, wherein,
d1-d6For overheated zone coefficient corresponding to refrigerant.
Further, the refrigerant enthalpy h of the generation indoor heat exchanger first end7 refrigerantsSpecifically include:According to institute
State the indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6With the indoor heat exchanger first end temperature t7Generate degree of superheat Δ
t7;According to the degree of superheat Δ t7With the indoor heat exchanger middle portion temperature t6Generate indoor heat exchanger first end refrigerant enthalpy
Modifying factor D7;According to the modifying factor D of the indoor heat exchanger first end refrigerant enthalpy7, saturation under the delivery temperature
The enthalpy h of refrigerantIt is vented saturationGenerate the refrigerant enthalpy h of the indoor heat exchanger first end7 refrigerants。
Further, the modifying factor D of the indoor heat exchanger first end refrigerant enthalpy is generated according to below equation7:
Wherein, d1-d6
For overheated zone coefficient corresponding to refrigerant.
According to one embodiment of present invention, the refrigerant enthalpy at the end of indoor heat exchanger second is calculated according to below equation
Value h5 refrigerants:
h5 refrigerants=c1+c2t5+c3t2 5+c4t3 5, wherein, c1-c4For fauna number is subcooled corresponding to refrigerant.
According to one embodiment of present invention, the heating capacity of the air conditioner is generated according to equation below:
Wherein, QHeating capacityFor the air conditioner
Heating capacity, PcomFor the power of compressor.
According to one embodiment of present invention, the lubricating oil enthalpy of each temperature detecting point is calculated according to below equation
hI lubricating oil, wherein, i is positive integer,
hI lubricating oil=-0.0808+1.7032ti+0.0025t2 i, wherein, tiFor the temperature of temperature detecting point.
According to one embodiment of present invention, the mixture enthalpy h of each temperature detecting point is calculated according to below equationi,
Wherein, i is positive integer,
hi=(1-Cg)hI refrigerants+CghI lubricating oil
Cg=f/104, wherein, CgFor mixture oil content, f is the running frequency of the compressor.
To reach above-mentioned purpose, another air conditioner that sixth aspect present invention embodiment proposes includes memory, processing
Device and the computer program that can be run on the memory and on the processor is stored in, meter described in the computing device
During calculation machine program, the efficiency computational methods for the air conditioner that fifth aspect present invention embodiment proposes are realized.
Air conditioner according to embodiments of the present invention, real-time and accurately efficiency can be detected, be easy to according to real-time energy
Effect carries out running status optimization, reaches energy-conservation and improves the purpose of heating effect.
To reach above-mentioned purpose, the computer-readable storage of another non-transitory that seventh aspect present invention embodiment proposes
Medium, is stored thereon with computer program, and the computer program realizes that fifth aspect present invention is implemented when being executed by processor
The efficiency computational methods for the air conditioner that example proposes.
Non-transitorycomputer readable storage medium according to embodiments of the present invention, by the computer journey for performing its storage
Sequence, the efficiency of air conditioner can be real-time and accurately detected, consequently facilitating optimizing air conditioner according to the real-time energy efficiency of air conditioner
Running status, reach energy-conservation and improve the purpose of heating effect.
To reach above-mentioned purpose, the efficiency computing system for the air conditioner that eighth aspect present invention embodiment proposes includes:Obtain
Modulus block, for obtaining the current working of air conditioner, the power of compressor and air conditioner power consumption;Gas returning port TEMP
Device, for obtaining the gas returning port temperature t of gas returning port in compressor1;Exhaust port temperatures sensor, for obtaining in the compressor
The exhaust port temperatures t of exhaust outlet2;Tonifying Qi inlet temperature sensor, for obtaining the tonifying Qi temperature t of compressor tonifying Qi entrance8;Room
Interior temperature sensor, for obtaining indoor environment temperature t10;The second end of indoor heat exchanger temperature sensor, is changed for obtaining interior
The second end of indoor heat exchanger temperature t at the hot end of device second5;Indoor heat exchanger middle portion temperature sensor, for obtaining indoor heat exchange
Indoor heat exchanger middle portion temperature t in the middle part of device6;Indoor heat exchanger first end temperature generation module, for being changed according to the interior
Hot device middle portion temperature t6With indoor environment temperature t10Generate the first end temperature t of the indoor heat exchanger7;Mixture enthalpy generates
Module, for when the current working of the air conditioner is heating condition, according to the gas returning port temperature of gas returning port in the compressor
Spend t1, in the compressor exhaust outlet exhaust port temperatures t2, the end of indoor heat exchanger second the second end of indoor heat exchanger temperature
t5, indoor heat exchanger first end indoor heat exchanger first end temperature t7With the tonifying Qi temperature t of compressor tonifying Qi entrance8Give birth to respectively
Into the refrigerant enthalpy h of gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, exhaust outlet refrigerant enthalpy h2 refrigerantsWith lubricating oil enthalpy
h2 lubricating oil, the end of indoor heat exchanger second refrigerant enthalpy h5 refrigerantsWith lubricating oil enthalpy h5 lubricating oil, indoor heat exchanger first end system
Cryogen enthalpy h7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, fill into the gaseous refrigerant enthalpy h of compressor8 ' refrigerantsWith lubricating oil enthalpy
h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oil, and the refrigeration according to the gas returning port
Agent enthalpy h1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, exhaust outlet refrigerant enthalpy h2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, indoor heat exchange
The refrigerant enthalpy h at the end of device second5 refrigerantsWith lubricating oil enthalpy h5 lubricating oil, indoor heat exchanger first end refrigerant enthalpy t7 refrigerantsWith
Lubricating oil enthalpy h7 lubricating oil, fill into the gaseous refrigerant enthalpy h of compressor8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid
Refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oilGenerate the mixture enthalpy h of gas returning port1, exhaust outlet mixture enthalpy
h2, the end of indoor heat exchanger second mixture enthalpy h5, indoor heat exchanger first end mixture enthalpy h7, fill into compressor and mix
Compound enthalpy h8’With the mixture enthalpy h of flash vessel8”;Heating capacity generation module, for the power according to the compressor, institute
State the mixture enthalpy h of gas returning port1, exhaust outlet mixture enthalpy h2, the end of indoor heat exchanger second mixture enthalpy h5, room
The mixture enthalpy h of interior heat exchanger first end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”Generation
The heating capacity of air conditioner;And efficiency generation module, for generating institute according to the air conditioner power consumption and the heating capacity
State the efficiency of air conditioner.
The efficiency computing system of air conditioner according to embodiments of the present invention, the current work of air conditioner is obtained by acquisition module
Condition, the power of compressor and air conditioner power consumption, and gas returning port in compressor, exhaust are obtained by corresponding temperature sensor
Temperature, the tonifying Qi temperature t of compressor tonifying Qi entrance in the middle part of mouth, the end of indoor heat exchanger second and indoor heat exchanger8, indoor environment
Temperature t10, and pass through mixture enthalpy generation module, refrigerating capacity generation module and efficiency when air conditioner is in heating condition
Generation module generates the refrigerant enthalpy and lubrication of above-mentioned each temperature detecting point according to the temperature of above-mentioned each temperature detecting point
Oily enthalpy, and the mixture enthalpy of each temperature detecting point is further generated, power, above-mentioned each temperature then in conjunction with compressor
The mixture enthalpy and air conditioner power consumption for spending test point obtain the efficiency of air conditioner, and thereby, it is possible to real-time and accurately detect
To the efficiency of air conditioner, consequently facilitating optimizing the running status of air conditioner according to the real-time energy efficiency of air conditioner, reach energy-conservation and carry
The purpose of high heating effect.
Brief description of the drawings
Fig. 1 is the flow chart according to the efficiency computational methods of the air conditioner of the embodiment of the present invention;
Fig. 2 is the structural representation according to the air conditioner of one embodiment of the invention;
Fig. 3 is the block diagram according to the efficiency computing system of the air conditioner of the embodiment of the present invention;
Fig. 4 is the flow chart according to the efficiency computational methods of another air conditioner of the embodiment of the present invention;
Fig. 5 is the block diagram according to the efficiency computing system of another air conditioner of the embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The air conditioner of the embodiment of the present invention and its efficiency computational methods and system described below in conjunction with the accompanying drawings.
Fig. 1 is the flow chart according to the efficiency computational methods of the air conditioner of the embodiment of the present invention.
As shown in figure 1, the efficiency computational methods of the air conditioner of the embodiment of the present invention, comprise the following steps:
S101, obtain the current working of air conditioner, the power of compressor and air conditioner power consumption.
The current working of air conditioner, the power P of compressor can be monitored in real time by the electric-control system of air conditionercomAnd air-conditioning
Device power consumption PPower consumption。
S102, obtain the gas returning port temperature t of gas returning port in compressor1, in compressor exhaust outlet exhaust port temperatures t2, room
The outdoor heat exchanger first end temperature t of external heat exchanger first end4, indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6, room
Interior environment temperature t10With the tonifying Qi temperature t of compressor tonifying Qi entrance8。
The air conditioner of the embodiment of the present invention can be twin-stage steam compressing air conditioner device, as shown in Fig. 2 the embodiment of the present invention
Air conditioner may include compressor, four-way valve, outdoor heat exchanger, restricting element and indoor heat exchanger, flash vessel.
In one embodiment of the invention, can be by setting temperature sensor to detect respectively in corresponding temperature test point
The temperature of the temperature detecting point.Specifically, as shown in Fig. 2 by within the compressor at gas returning port gas returning port temperature can be set to pass
Sensor is to detect gas returning port temperature t1, within the compressor exhaust ports exhaust port temperatures sensor is set to detect exhaust port temperatures
t2, at outdoor heat exchanger first end outdoor heat exchanger first end temperature sensor is set to detect outdoor heat exchanger first end temperature
Spend t4And heat exchanger middle part sets indoor heat exchanger middle portion temperature sensor to detect indoor heat exchanger middle portion temperature indoors
t6, in compressor tonifying Qi porch tonifying Qi inlet temperature sensor is set to detect the tonifying Qi temperature t of compressor tonifying Qi entrance8。
Wherein, each temperature sensor effectively contacts with the refrigerant tube wall of corresponding temperature test point, and to refrigerant
Tube wall, especially the position of temperature sensor is set to take Insulation.For example, temperature sensor can be close to copper pipe setting,
And sealing is wound to copper pipe by being incubated adhesive tape.Thereby, it is possible to improve the reliability and accuracy of temperature detection.
Also, indoor temperature transmitter can be set to detect indoor environment temperature t at heat exchanger fin indoors10。
S103, according to indoor heat exchanger middle portion temperature t6With indoor environment temperature t10Generate the room of indoor heat exchanger first end
Interior heat exchanger first end temperature t7。
In one embodiment of the invention, the indoor heat exchanger of indoor heat exchanger first end can be generated by below equation
First end temperature t7:
t7=a*t10+b*t6+ c*f, wherein, f is compressor operating frequency, and a, b, c is fitting coefficient.
S104, when the current working of the air conditioner is cooling condition, according to the return-air of gas returning port in the compressor
Mouth temperature t1Generate the refrigerant enthalpy h of gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, according to exhaust outlet in the compressor
Exhaust port temperatures t2Generate the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, according to outdoor heat exchanger first end
Outdoor heat exchanger first end temperature t4Generate the refrigerant enthalpy h of outdoor heat exchanger first end4 refrigerantsWith lubricating oil enthalpy
h4 lubricating oil, according to the indoor heat exchanger first end temperature t of indoor heat exchanger first end7Generate the refrigerant of indoor heat exchanger first end
Enthalpy h7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, according to the tonifying Qi temperature t of compressor tonifying Qi entrance8Generation fills into compressor respectively
Gaseous refrigerant enthalpy h8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy
h8 " lubricating oil。
Herein it should be noted that when the current working of air conditioner is cooling condition, outdoor heat exchanger makees condenser, room
External heat exchanger first end is condensator outlet, and indoor heat exchanger makees evaporator, is interior in the middle part of evaporator in the middle part of indoor heat exchanger
The end of heat exchanger second is evaporator inlet.
Because the refrigerant of different temperatures test point and the state of the mixture of lubricating oil are different, therefore different temperatures detects
The refrigerant enthalpy and lubricating oil enthalpy of point are different.In one embodiment of the invention, rule of thumb formula can calculate
To refrigerant enthalpy and lubricating oil enthalpy.
Illustrate that rule of thumb formula obtains the refrigerant enthalpy h of gas returning port separately below1 refrigerantWith lubricating oil enthalpy h1 lubricating oil、
The refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, outdoor heat exchanger first end refrigerant enthalpy h4 refrigerantsAnd profit
Lubricating oil enthalpy h4 lubricating oil, indoor heat exchanger first end refrigerant enthalpy h7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, fill into compressor
Gaseous refrigerant enthalpy h8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy
h8 " lubricating oilDetailed process.
For the refrigerant enthalpy h of gas returning port in compressor1 refrigerant, when the current working of air conditioner is cooling condition, pressure
The refrigerant superheat of the gas returning port of contracting machine, the refrigerant enthalpy h that suction superheat calculates gas returning port can be combined1 refrigerant。
Specifically, can be according to gas returning port temperature t1With indoor heat exchanger middle portion temperature t6Generate suction superheat Δ t1, and root
According to suction superheat Δ t1With indoor heat exchanger middle portion temperature t6Generate the modifying factor D of gas returning port refrigerant enthalpy1, Yi Jigen
According to indoor heat exchanger middle portion temperature t6Generate the enthalpy h of saturation refrigerant under suction temperatureAir-breathing saturation.Wherein, suction superheat Δ t1
For gas returning port temperature t1With indoor heat exchanger middle portion temperature t6Difference, i.e. Δ t1=t1-t6.The modifying factor of gas returning port refrigerant enthalpy
Sub- D1=1+d1Δt1+d2(Δt1)2+d3(Δt1)t6+d4(Δt1)2t6+d5(Δt1)t2 6+d6(Δt1)2t2 6, wherein, d1-d6For
Overheated zone coefficient corresponding to refrigerant.The enthalpy h of saturation refrigerant under suction temperatureAir-breathing saturation=a1+a2t6+a3t2 6+a4t3 6+a5,
Wherein, a1-a5For saturation region coefficient corresponding to refrigerant.
In the modifying factor D of generation gas returning port refrigerant enthalpy1, saturation refrigerant enthalpy hAir-breathing saturationAfterwards, can further root
According to the modifying factor D of gas returning port refrigerant enthalpy1, saturation refrigerant enthalpy hAir-breathing saturationGenerate refrigerant enthalpy h1 refrigerant, h1 refrigerant
=D1·hAir-breathing saturation+d7, wherein, d7For overheated zone coefficient corresponding to refrigerant.
Similarly, for the refrigerant enthalpy h of indoor heat exchanger first end7 refrigerants, when the current working of air conditioner is refrigeration
During operating mode, the refrigerant superheat of indoor heat exchanger first end, the system that suction superheat calculates indoor heat exchanger first end can be combined
Cryogen enthalpy h7 refrigerants。
Specifically, can be according to indoor heat exchanger first end temperature t7With indoor heat exchanger middle portion temperature t6Generate degree of superheat Δ
t7, and according to degree of superheat Δ t7With indoor heat exchanger middle portion temperature t6Generate the amendment of indoor heat exchanger first end refrigerant enthalpy
Factor D7, and the modifying factor D of the indoor heat exchanger first end refrigerant enthalpy according to generation7With the enthalpy of saturation refrigerant
hAir-breathing saturationGenerate refrigerant enthalpy h7 refrigerants.Wherein, Δ t7=t7-t6,h7 refrigerants=D7·hAir-breathing saturation+d7,
Wherein, d1-d7For overheated zone coefficient corresponding to refrigerant.
For the refrigerant enthalpy h of exhaust outlet in compressor2 refrigerants, when the current working of air conditioner is cooling condition, pressure
The refrigerant superheat of the exhaust outlet of contracting machine, the refrigerant enthalpy h that discharge superheat calculates exhaust outlet can be combined2 refrigerants。
Specifically, the outdoor heat exchanger middle portion temperature t in the middle part of outdoor heat exchanger can be obtained3, wherein, as shown in Fig. 2 outdoor
Outdoor heat exchanger middle portion temperature t in the middle part of heat exchanger3Temperature in the middle part of the outdoor heat exchanger that is set in the middle part of outdoor heat exchanger can be passed through
Degree sensor detects to obtain.
Then, can be according to the exhaust port temperatures t of exhaust outlet in compressor2With outdoor heat exchanger middle portion temperature t3Generation exhaust
Degree of superheat Δ t2, and according to discharge superheat Δ t2With outdoor heat exchanger middle portion temperature t3Generation exhaust outlet refrigerant enthalpy is repaiied
Positive divisor D2, and according to outdoor heat exchanger middle portion temperature t3Generate the enthalpy h of saturation refrigerant under delivery temperatureIt is vented saturation.Wherein,
Discharge superheat Δ t2For the exhaust port temperatures t of exhaust outlet in compressor2With outdoor heat exchanger middle portion temperature t3Difference, i.e. Δ t2
=t2-t3.The modifying factor of exhaust outlet refrigerant enthalpy
Wherein, d1-d6For overheated zone coefficient corresponding to refrigerant.The enthalpy h of saturation refrigerant under delivery temperatureIt is vented saturation=a1+a2t3+
a3t2 3+a4t3 3+a5, wherein, a1-a5For saturation region coefficient corresponding to refrigerant.
In the modifying factor D of generation exhaust outlet refrigerant enthalpy2, under delivery temperature saturation refrigerant enthalpy hIt is vented saturationAfterwards,
Can be further according to the modifying factor D of exhaust outlet refrigerant enthalpy2, under delivery temperature saturation refrigerant enthalpy hIt is vented saturationGeneration
The refrigerant enthalpy h of exhaust outlet2 refrigerants, h2 refrigerants=D2·hIt is vented saturation+d7, wherein, d7For overheated zone coefficient corresponding to refrigerant.
For the refrigerant enthalpy h of outdoor heat exchanger first end4 refrigerants, when the current working of air conditioner is cooling condition,
The refrigerant supercooling of outdoor heat exchanger first end, it can directly calculate the refrigerant enthalpy h of outdoor heat exchanger first end4 refrigerants:Wherein, c1-c4For fauna number is subcooled corresponding to refrigerant.
Saturation region coefficient, overheated zone coefficient and the species of supercooling fauna number and refrigerant have corresponding to above-mentioned refrigerant
Close, R410A refrigerants and saturation region coefficient corresponding to R32 refrigerants, overheated zone coefficient are respectively illustrated in table 1 and crosses cold-zone
Coefficient:
Table 1
Thus, each coefficient value can be obtained according to the species of refrigerant and the corresponding relation of such as table 1, is examined with calculating each temperature
The refrigerant enthalpy of measuring point.
Also, the liquid refrigerant enthalpy h of flash vessel8”It can be calculated according to below equation:
h8”=c1+c2*t8+c3*t8 2+c4*t8 3, wherein, t8For the tonifying Qi temperature of compressor tonifying Qi entrance, c1-c4For refrigeration
Supercooling fauna number corresponding to agent.
Fill into the gaseous refrigerant enthalpy h of compressor8’It can be calculated according to below equation:
h8’=a1+a2*t8+a3*t8 2+a4*t8 3+a5, wherein, t8For the tonifying Qi temperature of compressor tonifying Qi entrance, a1-a5For system
Saturation region coefficient corresponding to cryogen.
In other embodiments of the invention, the result of calculation of software can be also directly invoked, or is obtained by other approach
The refrigerant enthalpy of each temperature detecting point.For example, can also be according to sky when the current working of air conditioner is cooling condition
Adjust low pressure, the gas returning port temperature t in device1, indoor heat exchanger first end temperature t7Respectively obtain the refrigerant enthalpy of gas returning port
h1 refrigerantWith the refrigerant enthalpy h of indoor heat exchanger first end7 refrigerants, and can be according to the high-pressure in air conditioner, exhaust port temperatures
t2, outdoor heat exchanger first end temperature t4Respectively obtain the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith the system of outdoor heat exchanger first end
Cryogen enthalpy h4 refrigerants, and saturated gas enthalpy h under the state can be obtained according to tonifying Qi temperature or pressure8 ' refrigerantsIt is and full
With liquid enthalpy h8 " refrigerants。
For the lubricating oil enthalpy h of each temperature detecting pointI lubricating oil, can be calculated according to below equation:
hI lubricating oil=-0.0808+1.7032ti+0.0025t2 i,
Wherein, i is positive integer, tiFor the temperature of temperature detecting point.Thus, the lubricating oil enthalpy of gas returning port can be calculated out
Value h1 lubricating oil, exhaust outlet lubricating oil enthalpy h2 lubricating oil, outdoor heat exchanger first end lubricating oil enthalpy h4 lubricating oilAnd indoor heat exchanger
The lubricating oil enthalpy h of first end7 lubricating oil, fill into the lubricating oil enthalpy h of compressor8 ' lubricating oil, flash vessel lubricating oil enthalpy h8 " lubricating oil。
S105, according to the refrigerant enthalpy h of the gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oilGenerate the mixing of gas returning port
Thing enthalpy h1, according to the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oilGenerate the mixture enthalpy h of exhaust outlet2,
According to the refrigerant enthalpy h of outdoor heat exchanger first end4 refrigerantsWith lubricating oil enthalpy h4 lubricating oilGenerate the mixed of outdoor heat exchanger first end
Compound enthalpy h4, according to the refrigerant enthalpy t of indoor heat exchanger first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oilGenerate indoor heat exchange
The mixture enthalpy h of device first end7, according to the gaseous refrigerant enthalpy h for filling into compressor8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oilIt is raw
Into filling into compressor mixture enthalpy h8’, according to the liquid refrigerant enthalpy h of flash vessel8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oilIt is raw
Into the mixture enthalpy h of flash vessel8”。
Specifically, the mixture enthalpy h of each temperature detecting point can be calculated according to below equationi:
hi=(1-Cg)hI refrigerants+CghI lubricating oil
Cg=f/104,
Wherein, CgFor mixture oil content, f is the running frequency of compressor.Thus, the mixed of gas returning port can be calculated out
Compound enthalpy h1, exhaust outlet mixture enthalpy h2, outdoor heat exchanger first end mixture enthalpy h4, indoor heat exchanger first
The mixture enthalpy h at end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”。
S106, according to the power of compressor, the mixture enthalpy h of gas returning port1, exhaust outlet mixture enthalpy h2, outdoor changes
The mixture enthalpy h of hot device first end4, indoor heat exchanger first end mixture enthalpy h7, fill into compressor mixture enthalpy
h8’With the mixture enthalpy h of flash vessel8”Generate the refrigerating capacity of air conditioner.
Specifically, the refrigerating capacity of air conditioner can be generated according to below equation:Its
In, QRefrigerating capacityFor the refrigerating capacity of air conditioner, PcomFor the power of compressor.
S107, the efficiency of air conditioner is generated according to air conditioner power consumption and refrigerating capacity.
Because the current working of air conditioner is cooling condition, thus can be generated according to air conditioner power consumption and refrigerating capacity empty
The refrigeration efficiency of device is adjusted, specifically, the refrigeration efficiency of air conditioner is the ratio between the refrigerating capacity of air conditioner and power consumption, i.e. EER=
QRefrigerating capacity/PPower consumption。
, can also be according to operation shape of the refrigeration efficiency of air conditioner to current air conditioner after the refrigeration efficiency of generation air conditioner
State is adjusted.For example, the power of compressor can be improved when the refrigeration efficiency of air conditioner is relatively low, to improve air conditioner
Refrigerating capacity, and the energy consumption of relative reduction air conditioner, so as to save, additionally it is possible to improve the comfortableness of user.
The efficiency computational methods of air conditioner according to embodiments of the present invention, by the current working, the compression that obtain air conditioner
The power and air conditioner power consumption of machine, and obtain gas returning port in compressor, exhaust outlet, outdoor heat exchanger first end and interior and change
The tonifying Qi temperature t of temperature, compressor tonifying Qi entrance in the middle part of hot device8, indoor environment temperature t10, and be in and freeze in air conditioner
The refrigerant enthalpy and lubricating oil of above-mentioned each temperature detecting point are generated during operating mode according to the temperature of above-mentioned each temperature detecting point
Enthalpy, and the mixture enthalpy of each temperature detecting point is further generated, power, above-mentioned each temperature then in conjunction with compressor
The mixture enthalpy and air conditioner power consumption of test point obtain the efficiency of air conditioner, and thereby, it is possible to real-time and accurately detect
The efficiency of air conditioner, consequently facilitating optimizing the running status of air conditioner according to the real-time energy efficiency of air conditioner, reach energy-conservation and improve
The purpose of refrigeration.
Corresponding above-described embodiment, the present invention also propose a kind of air conditioner.
The air conditioner of the embodiment of the present invention, including memory, processor and storage are on a memory and can be on a processor
The computer program of operation, during computing device computer program, the air conditioner that the above embodiment of the present invention proposes can be achieved
Efficiency computational methods.
Air conditioner according to embodiments of the present invention, real-time and accurately efficiency can be detected, be entered according to real-time energy efficiency
Row running status optimizes, and reaches energy-conservation and improves the purpose of refrigeration.
Corresponding above-described embodiment, the present invention also propose a kind of non-transitorycomputer readable storage medium.
The non-transitorycomputer readable storage medium of the embodiment of the present invention, is stored thereon with computer program, the calculating
When machine program is executed by processor, the efficiency computational methods for the air conditioner that the above embodiment of the present invention proposes can be achieved.
Non-transitorycomputer readable storage medium according to embodiments of the present invention, by the computer journey for performing its storage
Sequence, the efficiency of air conditioner can be real-time and accurately detected, consequently facilitating optimizing air conditioner according to the real-time energy efficiency of air conditioner
Running status, reach energy-conservation and improve the purpose of refrigeration.
Corresponding above-described embodiment, the present invention also propose a kind of efficiency computing system of air conditioner.
As shown in figure 3, the efficiency computing system of the air conditioner of the embodiment of the present invention, including gas returning port temperature sensor 01,
Exhaust port temperatures sensor 02, outdoor heat exchanger first end temperature sensor 04, indoor heat exchanger middle portion temperature sensor 06, benefit
Gas inlet temperature sensor 08, indoor temperature transmitter 11 and acquisition module 10, mixture enthalpy generation module 20, interior are changed
Hot device first end temperature generation module 00, refrigerating capacity generation module 30, efficiency generation module 40.
Wherein, gas returning port temperature sensor 01 is used for the gas returning port temperature t for obtaining gas returning port in compressor1;Exhaust outlet temperature
Degree sensor 02 is used for the exhaust port temperatures t for obtaining exhaust outlet in compressor2;Tonifying Qi inlet temperature sensor 08, which is used to obtain, presses
The tonifying Qi temperature t of contracting machine tonifying Qi entrance8;Indoor temperature transmitter 11 is used to obtain indoor environment temperature t10;Outdoor heat exchanger
One end temperature sensor 04 is used for the outdoor heat exchanger first end temperature t for obtaining outdoor heat exchanger first end4;In indoor heat exchanger
Portion's temperature sensor 06 is used to obtain the indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6。
The air conditioner of the embodiment of the present invention can be twin-stage steam compressing air conditioner device, as shown in Fig. 2 the embodiment of the present invention
Air conditioner may include compressor 100, four-way valve 200, outdoor heat exchanger 300, restricting element such as choke valve 400 and choke valve
600th, flash vessel 700 and indoor heat exchanger 500.
As shown in Fig. 2 gas returning port temperature sensor 01 can be set within the compressor at gas returning port, exhaust port temperatures sensor
02 settable exhaust ports, outdoor heat exchanger first end temperature sensor 04 may be provided at outdoor heat exchanger first within the compressor
End, indoor heat exchanger middle portion temperature sensor 06 may be provided in the middle part of indoor heat exchanger, set and mend in compressor tonifying Qi porch
Gas inlet temperature sensor is to detect the tonifying Qi temperature t of compressor tonifying Qi entrance8.Wherein, each temperature sensor with it is corresponding
The refrigerant tube wall of temperature detecting point effectively contacts, and to refrigerant tube wall, especially sets the position of temperature sensor to take
Insulation.For example, temperature sensor can be close to copper pipe setting, and sealing is wound to copper pipe by being incubated adhesive tape.By
This, it is possible to increase the reliability and accuracy of temperature detection.
Also, indoor temperature transmitter can be set to detect indoor environment temperature t at heat exchanger fin indoors10。
Acquisition module 10 is used to obtain the current working of air conditioner, the power of compressor and air conditioner power consumption;It is indoor
Heat exchanger first end temperature generation module 00 is used for according to the indoor heat exchanger middle portion temperature t6With indoor environment temperature t10It is raw
Into the first end temperature t of the indoor heat exchanger7;Mixture enthalpy generation module 20 is used for when the current working of air conditioner is system
During cold operating mode, according to the gas returning port temperature t of gas returning port in compressor1, in compressor exhaust outlet exhaust port temperatures t2, outdoor changes
The outdoor heat exchanger first end temperature t of hot device first end4, indoor heat exchanger first end indoor heat exchanger first end temperature t7With
The tonifying Qi temperature t of compressor tonifying Qi entrance8The refrigerant enthalpy h of gas returning port is generated respectively1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, row
The refrigerant enthalpy h of gas port2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, outdoor heat exchanger first end refrigerant enthalpy h4 refrigerantsAnd lubrication
Oily enthalpy h4 lubricating oil, indoor heat exchanger first end refrigerant enthalpy h7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, fill into the gas of compressor
State refrigerant enthalpy h8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy
h8 " lubricating oil, and the refrigerant enthalpy h according to the gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, exhaust outlet refrigerant enthalpy
h2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, outdoor heat exchanger first end refrigerant enthalpy h4 refrigerantsWith lubricating oil enthalpy h4 lubricating oil, it is indoor
The refrigerant enthalpy t of heat exchanger first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, fill into the gaseous refrigerant enthalpy of compressor
h8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oilGenerate return-air
The mixture enthalpy h of mouth1, exhaust outlet mixture enthalpy h2, outdoor heat exchanger first end mixture enthalpy h4, indoor heat exchange
The mixture enthalpy h of device first end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”;Refrigerating capacity is given birth to
Into module 30 for power, the mixture enthalpy h of gas returning port according to compressor1, exhaust outlet mixture enthalpy h2, outdoor changes
The mixture enthalpy h of hot device first end4, indoor heat exchanger first end mixture enthalpy h7, fill into compressor mixture enthalpy
h8’With the mixture enthalpy h of flash vessel8”Generate the refrigerating capacity of air conditioner;Efficiency generation module 40 is used for according to air conditioner power consumption
The efficiency of power and refrigerating capacity generation air conditioner.
Wherein, acquisition module 10, mixture enthalpy generation module 20, indoor heat exchanger first end temperature generation module 00,
Refrigerating capacity generation module 30 and efficiency generation module 40 may be disposed in the electric-control system of air conditioner.Acquisition module 10 can supervise in real time
Survey current working, the power P of compressor of air conditionercomWith air conditioner power consumption PPower consumption。
Herein it should be noted that when the current working of air conditioner is cooling condition, outdoor heat exchanger makees condenser, room
External heat exchanger first end is condensator outlet, and indoor heat exchanger makees evaporator, is interior in the middle part of evaporator in the middle part of indoor heat exchanger
The end of heat exchanger second is evaporator inlet.
Because the refrigerant of different temperatures test point and the state of the mixture of lubricating oil are different, therefore different temperatures detects
The refrigerant enthalpy and lubricating oil enthalpy of point are different.In one embodiment of the invention, mixture enthalpy generation module 20
Rule of thumb refrigerant enthalpy and lubricating oil enthalpy can be calculated by formula.
Illustrate that rule of thumb formula obtains the refrigerant enthalpy of gas returning port to mixture enthalpy generation module 20 separately below
h1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, exhaust outlet refrigerant enthalpy h2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, outdoor heat exchanger first
The refrigerant enthalpy h at end4 refrigerantsWith lubricating oil enthalpy h4 lubricating oil, indoor heat exchanger first end refrigerant enthalpy h7 refrigerantsAnd lubricating oil
Enthalpy h7 lubricating oilDetailed process.
For the refrigerant enthalpy h of gas returning port in compressor1 refrigerant, when the current working of air conditioner is cooling condition, pressure
The refrigerant superheat of the gas returning port of contracting machine, mixture enthalpy generation module 20 can combine the refrigeration that suction superheat calculates gas returning port
Agent enthalpy h1 refrigerant。
Specifically, mixture enthalpy generation module 20 can be according to gas returning port temperature t1With indoor heat exchanger middle portion temperature t6It is raw
Into suction superheat Δ t1, and according to suction superheat Δ t1With indoor heat exchanger middle portion temperature t6Generate gas returning port refrigerant enthalpy
The modifying factor D of value1, and according to indoor heat exchanger middle portion temperature t6Generate the enthalpy of saturation refrigerant under suction temperature
hAir-breathing saturation.Wherein, suction superheat Δ t1 is gas returning port temperature t1With indoor heat exchanger middle portion temperature t6Difference, i.e. Δ t1=t1-
t6.The modifying factor D of gas returning port refrigerant enthalpy1=1+d1Δt1+d2(Δt1)2+d3(Δt1)t6+d4(Δt1)2t6+d5(Δ
t1)t2 6+d6(Δt1)2t2 6, wherein, d1-d6For overheated zone coefficient corresponding to refrigerant.The enthalpy of saturation refrigerant under suction temperature
Value hAir-breathing saturation=a1+a2t6+a3t2 6+a4t3 6+a5, wherein, a1-a5For saturation region coefficient corresponding to refrigerant.
In the modifying factor D of generation gas returning port refrigerant enthalpy1, saturation refrigerant enthalpy hAir-breathing saturationAfterwards, mixture enthalpy
Generation module 20 can be further according to the modifying factor D of gas returning port refrigerant enthalpy1, saturation refrigerant enthalpy hAir-breathing saturationGeneration
Refrigerant enthalpy h1 refrigerant, h1 refrigerant=D1·hAir-breathing saturation+d7, wherein, d7For overheated zone coefficient corresponding to refrigerant.
Similarly, for the refrigerant enthalpy h of indoor heat exchanger first end7 refrigerants, when the current working of air conditioner is refrigeration
During operating mode, the refrigerant superheat of indoor heat exchanger first end, mixture enthalpy generation module 20 can combine suction superheat and calculate
The refrigerant enthalpy h of indoor heat exchanger first end7 refrigerants。
Specifically, mixture enthalpy generation module 20 can be according to indoor heat exchanger first end temperature t7In indoor heat exchanger
Portion temperature t6Generate degree of superheat Δ t7, and according to degree of superheat Δ t7With indoor heat exchanger middle portion temperature t6Generate indoor heat exchanger the
The modifying factor D of one end refrigerant enthalpy7, and the modifying factor of the indoor heat exchanger first end refrigerant enthalpy according to generation
D7With the enthalpy h of saturation refrigerantAir-breathing saturationGenerate refrigerant enthalpy h7 refrigerants.Wherein, Δ t7=t7-t6,h7 refrigerants=D7·hAir-breathing saturation+d7,
Wherein, d1-d7For overheated zone coefficient corresponding to refrigerant.
For the refrigerant enthalpy h of exhaust outlet in compressor2 refrigerants, when the current working of air conditioner is cooling condition, pressure
The refrigerant superheat of the exhaust outlet of contracting machine, mixture enthalpy generation module 20 can combine the refrigeration that discharge superheat calculates exhaust outlet
Agent enthalpy h2 refrigerants。
Specifically, the outdoor heat exchanger middle portion temperature t in the middle part of outdoor heat exchanger can be obtained3, wherein, as shown in Fig. 2 outdoor
Outdoor heat exchanger middle portion temperature t in the middle part of heat exchanger3Temperature in the middle part of the outdoor heat exchanger that is set in the middle part of outdoor heat exchanger can be passed through
Degree sensor detects to obtain.
Then, mixture enthalpy generation module 20 can be according to the exhaust port temperatures t of exhaust outlet in compressor2And outdoor heat exchange
Device middle portion temperature t3Generate discharge superheat Δ t2, and according to discharge superheat Δ t2With outdoor heat exchanger middle portion temperature t3Generation
The modifying factor D of exhaust outlet refrigerant enthalpy2, and according to outdoor heat exchanger middle portion temperature t3Generate saturation system under delivery temperature
The enthalpy h of cryogenIt is vented saturation.Wherein, discharge superheat Δ t2For the exhaust port temperatures t of exhaust outlet in compressor2And outdoor heat exchanger
Middle portion temperature t3Difference, i.e. Δ t2=t2-t3.The modifying factor of exhaust outlet refrigerant enthalpyWherein, d1-d6For refrigerant
Corresponding overheated zone coefficient.The enthalpy h of saturation refrigerant under delivery temperatureIt is vented saturation=a1+a2t3+a3t2 3+a4t3 3+a5, wherein, a1-
a5For saturation region coefficient corresponding to refrigerant.
In the modifying factor D of generation exhaust outlet refrigerant enthalpy2, under delivery temperature saturation refrigerant enthalpy hIt is vented saturationAfterwards,
Mixture enthalpy generation module 20 can be further according to the modifying factor D of exhaust outlet refrigerant enthalpy2, saturation system under delivery temperature
The enthalpy h of cryogenIt is vented saturationGenerate the refrigerant enthalpy h of exhaust outlet2 refrigerants, h2 refrigerants=D2·hIt is vented saturation+d7, wherein, d7For refrigerant
Corresponding overheated zone coefficient.
For the refrigerant enthalpy h of outdoor heat exchanger first end4 refrigerants, when the current working of air conditioner is cooling condition,
The refrigerant supercooling of outdoor heat exchanger first end, mixture enthalpy generation module 20 can directly calculate outdoor heat exchanger first end
Refrigerant enthalpy h4 refrigerants:Wherein, c1-c4For fauna number is subcooled corresponding to refrigerant.
Saturation region coefficient, overheated zone coefficient and the species of supercooling fauna number and refrigerant have corresponding to above-mentioned refrigerant
Close, R410A refrigerants and saturation region coefficient corresponding to R32 refrigerants, overheated zone coefficient are respectively illustrated in table 1 and crosses cold-zone
Coefficient.Thus, each coefficient value can be obtained according to the species of refrigerant and the corresponding relation of such as table 1, to calculate each temperature detection
The refrigerant enthalpy of point.
In other embodiments of the invention, mixture enthalpy generation module 20 can also directly invoke the calculating knot of software
Fruit, or the refrigerant enthalpy by each temperature detecting point of other approach acquisition.For example, when the current working of air conditioner is
During cooling condition, mixture enthalpy generation module 20 can also be according to the low pressure in air conditioner, gas returning port temperature t1, interior changes
Hot device first end temperature t7Respectively obtain the refrigerant enthalpy h of gas returning port1 refrigerantWith the refrigerant enthalpy of indoor heat exchanger first end
h7 refrigerants, and can be according to the high-pressure in air conditioner, exhaust port temperatures t2, outdoor heat exchanger first end temperature t4The row of respectively obtaining
The refrigerant enthalpy h of gas port2 refrigerantsWith the refrigerant enthalpy h of outdoor heat exchanger first end4 refrigerants。
For the lubricating oil enthalpy h of each temperature detecting pointI lubricating oil, mixture enthalpy generation module 20 can be according to following public affairs
Formula is calculated:
hI lubricating oil=-0.0808+1.7032ti+0.0025t2 i,
Wherein, i is positive integer, tiFor the temperature of temperature detecting point.Thus, the lubricating oil enthalpy of gas returning port can be calculated out
Value h1 lubricating oil, exhaust outlet lubricating oil enthalpy h2 lubricating oil, outdoor heat exchanger first end lubricating oil enthalpy h4 lubricating oilAnd indoor heat exchanger
The lubricating oil enthalpy h of first end7 lubricating oil, fill into the gaseous refrigerant enthalpy h of compressor8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash distillation
The liquid refrigerant enthalpy h of device8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oil。
Further, mixture enthalpy generation module 20 can calculate the mixture of each temperature detecting point according to below equation
Enthalpy hi:
hi=(1-Cg)hI refrigerants+CghI lubricating oil
Cg=f/104,
Wherein, CgFor mixture oil content, f is the running frequency of compressor.Thus, the mixed of gas returning port can be calculated out
Compound enthalpy h1, exhaust outlet mixture enthalpy h2, outdoor heat exchanger first end mixture enthalpy h4, indoor heat exchanger first
The mixture enthalpy h at end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”。
In an embodiment of the present invention, refrigerating capacity generation module 30 can generate the refrigerating capacity of air conditioner according to below equation:Wherein, QRefrigerating capacityFor the refrigerating capacity of air conditioner, Pcom
For the power of compressor.
Because the current working of air conditioner is cooling condition, thus efficiency generation module 40 can be according to air conditioner power consumption
With the refrigeration efficiency of refrigerating capacity generation air conditioner, specifically, the refrigeration efficiency of air conditioner is the refrigerating capacity and power consumption work(of air conditioner
The ratio between rate, i.e. EER=QRefrigerating capacity/PPower consumption。
, can also be according to operation shape of the refrigeration efficiency of air conditioner to current air conditioner after the refrigeration efficiency of generation air conditioner
State is adjusted.For example, the power of compressor can be improved when the refrigeration efficiency of air conditioner is relatively low, to improve air conditioner
Refrigerating capacity, and the energy consumption of relative reduction air conditioner, so as to save, additionally it is possible to improve the comfortableness of user.
The efficiency computing system of air conditioner according to embodiments of the present invention, the current work of air conditioner is obtained by acquisition module
Condition, the power of compressor and air conditioner power consumption, and gas returning port in compressor, exhaust are obtained by corresponding temperature sensor
Temperature, the tonifying Qi temperature t of compressor tonifying Qi entrance in the middle part of mouth, outdoor heat exchanger first end and indoor heat exchanger8, indoor environment
Temperature t10, and pass through mixture enthalpy generation module, refrigerating capacity generation module and efficiency when air conditioner is in cooling condition
Generation module generates the refrigerant enthalpy and lubrication of above-mentioned each temperature detecting point according to the temperature of above-mentioned each temperature detecting point
Oily enthalpy, and the mixture enthalpy of each temperature detecting point is further generated, power, above-mentioned each temperature then in conjunction with compressor
The mixture enthalpy and air conditioner power consumption for spending test point obtain the efficiency of air conditioner, and thereby, it is possible to real-time and accurately detect
To the efficiency of air conditioner, consequently facilitating optimizing the running status of air conditioner according to the real-time energy efficiency of air conditioner, reach energy-conservation and carry
The purpose of high refrigeration.
The air conditioner and its efficiency computational methods and system of above-described embodiment can detect the refrigeration efficiency of air conditioner, for inspection
The heat efficiency of air conditioner is surveyed, the present invention also proposes the efficiency computational methods of another air conditioner.
As shown in figure 4, the efficiency computational methods of another air conditioner of the embodiment of the present invention, comprise the following steps:
S401, obtain the current working of air conditioner, the power of compressor and air conditioner power consumption.
The current working of air conditioner, the power P of compressor can be monitored in real time by the electric-control system of air conditionercomAnd air-conditioning
Device power consumption PPower consumption。
S402, obtain the gas returning port temperature t of gas returning port in compressor1, in compressor exhaust outlet exhaust port temperatures t2, room
The second end of indoor heat exchanger temperature t at the interior end of heat exchanger second5, indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6, room
Interior environment temperature t10With the tonifying Qi temperature t of compressor tonifying Qi entrance8。
As shown in Fig. 2 can be by setting gas returning port temperature sensor at gas returning port within the compressor to detect gas returning port temperature
Spend t1, within the compressor exhaust ports exhaust port temperatures sensor is set to detect exhaust port temperatures t2, heat exchanger second indoors
Indoor heat exchanger the second end temperature sensor is set to detect the second end of indoor heat exchanger temperature t at end5And exchange heat indoors
Indoor heat exchanger middle portion temperature sensor is set to detect indoor heat exchanger middle portion temperature t in the middle part of device6, in compressor tonifying Qi entrance
Place sets tonifying Qi inlet temperature sensor to detect the tonifying Qi temperature t of compressor tonifying Qi entrance8。
Wherein, each temperature sensor effectively contacts with the refrigerant tube wall of corresponding temperature test point, and to refrigerant
Tube wall, especially the position of temperature sensor is set to take Insulation.For example, temperature sensor can be close to copper pipe setting,
And sealing is wound to copper pipe by being incubated adhesive tape.Thereby, it is possible to improve the reliability and accuracy of temperature detection.
Also, indoor temperature transmitter can be set to detect indoor environment temperature t at heat exchanger fin indoors10。
S403, according to indoor heat exchanger middle portion temperature t6With indoor environment temperature t10Generate the room of indoor heat exchanger first end
Interior heat exchanger first end temperature t7。
In one embodiment of the invention, the indoor heat exchanger of indoor heat exchanger first end can be generated by below equation
First end temperature t7:
t7=a*t10+b*t6+ c*f, wherein, f is compressor operating frequency, and a, b, c is fitting coefficient.
S404, when the current working of the air conditioner is heating condition, according to the return-air of gas returning port in the compressor
Mouth temperature t1Generate the refrigerant enthalpy h of gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, according to exhaust outlet in the compressor
Exhaust port temperatures t2Generate the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, according to the end of indoor heat exchanger second
The second end of indoor heat exchanger temperature t5Generate the refrigerant enthalpy h at the end of indoor heat exchanger second5 refrigerantsWith lubricating oil enthalpy
h5 lubricating oil, according to the indoor heat exchanger first end temperature t of indoor heat exchanger first end7Generate the refrigerant of indoor heat exchanger first end
Enthalpy h7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, according to the tonifying Qi temperature t of compressor tonifying Qi entrance8Generation fills into compressor respectively
Gaseous refrigerant enthalpy h8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy
h8 " lubricating oil。
Herein it should be noted that when the current working of air conditioner is heating condition, outdoor heat exchanger makees evaporator, room
Interior heat exchanger makees condenser, is that the end of indoor heat exchanger second is condensator outlet in the middle part of condenser in the middle part of indoor heat exchanger.
Because the refrigerant of different temperatures test point and the state of the mixture of lubricating oil are different, therefore different temperatures detects
The refrigerant enthalpy and lubricating oil enthalpy of point are different.In one embodiment of the invention, rule of thumb formula can calculate
To refrigerant enthalpy and lubricating oil enthalpy.
Illustrate that rule of thumb formula obtains the refrigerant enthalpy h of gas returning port separately below1 refrigerantWith lubricating oil enthalpy h1 lubricating oil、
The refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, the end of indoor heat exchanger second refrigerant enthalpy h5 refrigerantsAnd profit
Lubricating oil enthalpy h5 lubricating oilWith the refrigerant enthalpy h of indoor heat exchanger first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oilDetailed process.
For the refrigerant enthalpy h of gas returning port in compressor1 refrigerant, when the current working of air conditioner is heating condition, pressure
The refrigerant superheat of the gas returning port of contracting machine, the refrigerant enthalpy h that suction superheat calculates gas returning port can be combined1 refrigerant。
Specifically, the outdoor heat exchanger middle portion temperature t in the middle part of outdoor heat exchanger can be obtained3, wherein, as shown in Fig. 2 outdoor
Outdoor heat exchanger middle portion temperature t in the middle part of heat exchanger3Temperature in the middle part of the outdoor heat exchanger that is set in the middle part of outdoor heat exchanger can be passed through
Degree sensor detects to obtain.
Then can be according to gas returning port temperature t1With outdoor heat exchanger middle portion temperature t3Generate suction superheat Δ t1, and according to
Suction superheat Δ t1With outdoor heat exchanger middle portion temperature t3Generate the modifying factor D of gas returning port refrigerant enthalpy1, and according to
Outdoor heat exchanger middle portion temperature t3Generate the enthalpy h of saturation refrigerant under suction temperatureAir-breathing saturation.Wherein, suction superheat Δ t1For
Gas returning port temperature t1With outdoor heat exchanger middle portion temperature t3Difference, i.e. Δ t1=t1-t3.The modifying factor of gas returning port refrigerant enthalpyWherein, d1-d6For refrigerant pair
The overheated zone coefficient answered.The enthalpy h of saturation refrigerant under suction temperatureAir-breathing saturation=a1+a2t3+a3t2 3+a4t3 3+a5, wherein, a1-a5
For saturation region coefficient corresponding to refrigerant.
In the modifying factor D of generation gas returning port refrigerant enthalpy1, saturation refrigerant enthalpy hAir-breathing saturationAfterwards, can further root
According to the modifying factor D of gas returning port refrigerant enthalpy1, saturation refrigerant enthalpy hAir-breathing saturationGenerate refrigerant enthalpy h1 refrigerant, h1 refrigerant
=D1·hAir-breathing saturation+d7, wherein, d7For overheated zone coefficient corresponding to refrigerant.
For the refrigerant enthalpy h of exhaust outlet in compressor2 refrigerants, when the current working of air conditioner is heating condition, pressure
The refrigerant superheat of the exhaust outlet of contracting machine, the refrigerant enthalpy h that discharge superheat calculates exhaust outlet can be combined2 refrigerants。
Specifically, can be according to the exhaust port temperatures t of exhaust outlet in compressor2With indoor heat exchanger middle portion temperature t6Generation row
Gas degree of superheat Δ t2, and the indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6Saturation under delivery temperature is generated to freeze
The enthalpy h of agentIt is vented saturation, and according to discharge superheat Δ t2With indoor heat exchanger middle portion temperature t6Generate exhaust outlet refrigerant enthalpy
Modifying factor D2.Wherein, discharge superheat Δ t2For the exhaust port temperatures t of exhaust outlet in compressor2With indoor heat exchanger middle part
Temperature t6Difference, i.e. Δ t2=t2-t6.The enthalpy h of saturation refrigerant under delivery temperatureIt is vented saturation=a1+a2t6+a3t2 6+a4t3 6+a5,
Wherein, a1-a5For saturation region coefficient corresponding to refrigerant.The modifying factor D of exhaust outlet refrigerant enthalpy2=1+d1Δt2+d2(Δ
t2)2+d3(Δt2)t6+d4(Δt2)2t6+d5(Δt2)t2 6+d6(Δt2)2t2 6, wherein, d1-d6For overheated zone corresponding to refrigerant
Coefficient.
In the modifying factor D of generation exhaust outlet refrigerant enthalpy2Afterwards, can further repairing according to exhaust outlet refrigerant enthalpy
Positive divisor D2, under delivery temperature saturation refrigerant enthalpy hIt is vented saturationGenerate the refrigerant enthalpy h of exhaust outlet2, h2=D2·hIt is vented saturation
+d7, wherein, d7For overheated zone coefficient corresponding to refrigerant.
Similarly, for the refrigerant enthalpy h of indoor heat exchanger first end7, when the current working of air conditioner is heating work
During condition, the refrigerant superheat of indoor heat exchanger first end, the refrigeration that discharge superheat calculates indoor heat exchanger first end can be combined
Agent enthalpy h7。
Specifically, can be according to indoor heat exchanger first end temperature t7With indoor heat exchanger middle portion temperature t6Generate degree of superheat Δ t7,
And according to degree of superheat Δ t7With indoor heat exchanger middle portion temperature t6Generate the modifying factor of indoor heat exchanger first end refrigerant enthalpy
D7, and the modifying factor D of the indoor heat exchanger first end refrigerant enthalpy according to generation7With the enthalpy h of saturation refrigerantIt is vented saturation
Generate refrigerant enthalpy h7.Wherein, Δ t7=t7-t6,
h7=D7·hIt is vented saturation+d7, wherein, wherein, d1-d7For overheated zone coefficient corresponding to refrigerant.
For the refrigerant enthalpy h at the end of indoor heat exchanger second5 refrigerants, when the current working of air conditioner is heating condition,
The refrigerant supercooling at the end of indoor heat exchanger second, it can directly calculate the refrigerant enthalpy h at the end of indoor heat exchanger second5 refrigerants:h5 refrigerants
=c1+c2t5+c3t2 5+c4t3 5, wherein, c1-c4For fauna number is subcooled corresponding to refrigerant.
Saturation region coefficient, overheated zone coefficient and the species of supercooling fauna number and refrigerant have corresponding to above-mentioned refrigerant
Close, R410A refrigerants and saturation region coefficient corresponding to R32 refrigerants, overheated zone coefficient are respectively illustrated in table 1 and crosses cold-zone
Coefficient.Thus, each coefficient value can be obtained according to the species of refrigerant and the corresponding relation of such as table 1, to calculate each temperature detection
The refrigerant enthalpy of point.
In other embodiments of the invention, the result of calculation of software can be also directly invoked, or is obtained by other approach
The refrigerant enthalpy of each temperature detecting point.For example, can also be according to sky when the current working of air conditioner is heating condition
Adjust high-pressure, the gas returning port temperature t in device1, indoor heat exchanger first end temperature t7Respectively obtain the refrigerant enthalpy of gas returning port
h1 refrigerantWith the refrigerant enthalpy h of indoor heat exchanger first end7 refrigerants, and can be according to the high-pressure in air conditioner, exhaust port temperatures
t2, the second end of indoor heat exchanger temperature t5Respectively obtain the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith the system at the end of indoor heat exchanger second
Cryogen enthalpy h5 refrigerants。
For the lubricating oil enthalpy h of each temperature detecting pointI lubricating oil, can be calculated according to below equation:
hI lubricating oil=-0.0808+1.7032ti+0.0025t2 i,
Wherein, i is positive integer, tiFor the temperature of temperature detecting point.Thus, the lubricating oil enthalpy of gas returning port can be calculated out
Value h1 lubricating oil, exhaust outlet lubricating oil enthalpy h2 lubricating oil, the end of indoor heat exchanger second lubricating oil enthalpy h5 lubricating oilAnd indoor heat exchanger
The lubricating oil enthalpy h of first end7 lubricating oil, fill into compressor and lubricating oil enthalpy h8 ' lubricating oil, flash vessel lubricating oil enthalpy
h8 " lubricating oil。
S405, according to the refrigerant enthalpy h of the gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oilGenerate the mixing of gas returning port
Thing enthalpy h1, according to the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oilGenerate the mixture enthalpy h of exhaust outlet2,
According to the refrigerant enthalpy h at the end of indoor heat exchanger second5 refrigerantsWith lubricating oil enthalpy h5 lubricating oilGenerate the mixed of the end of indoor heat exchanger second
Compound enthalpy h5, according to the refrigerant enthalpy t of indoor heat exchanger first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oilGenerate indoor heat exchange
The mixture enthalpy h of device first end7, according to the gaseous refrigerant enthalpy h for filling into compressor8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oilIt is raw
Into filling into compressor mixture enthalpy h8’, according to the liquid refrigerant enthalpy h of flash vessel8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oilIt is raw
Into the mixture enthalpy h of flash vessel8”。
Specifically, the mixture enthalpy h of each temperature detecting point can be calculated according to below equationi:
hi=(1-Cg)hI refrigerants+CghI lubricating oil
Cg=f/104,
Wherein, CgFor mixture oil content, f is the running frequency of compressor.Thus, the mixed of gas returning port can be calculated out
Compound enthalpy h1, exhaust outlet mixture enthalpy h2, the end of indoor heat exchanger second mixture enthalpy h5, indoor heat exchanger first
The mixture enthalpy h at end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”。
S406, according to the power of compressor, the mixture enthalpy h of gas returning port1, exhaust outlet mixture enthalpy h2, interior changes
The mixture enthalpy h at the hot end of device second5, indoor heat exchanger first end mixture enthalpy h7, fill into compressor mixture enthalpy
h8’With the mixture enthalpy h of flash vessel8”Generate the heating capacity of air conditioner.
Specifically, the heating capacity of air conditioner can be generated according to below equation:
Wherein, QHeating capacityFor the heating capacity of air conditioner, PcomFor the power of compressor.
S407, the efficiency of air conditioner is generated according to air conditioner power consumption and heating capacity.
Because the current working of air conditioner is heating condition, thus can be generated according to air conditioner power consumption and heating capacity empty
The heat efficiency of device is adjusted, specifically, the heat efficiency of air conditioner is the ratio between the heating capacity of air conditioner and power consumption, i.e. COP=
QHeating capacity/PPower consumption。
, can also be according to operation shape of the heat efficiency of air conditioner to current air conditioner after the heat efficiency of generation air conditioner
State is adjusted.For example, the power of compressor can be improved when the heat efficiency of air conditioner is relatively low, to improve air conditioner
Heating capacity, and the energy consumption of relative reduction air conditioner, so as to save, additionally it is possible to improve the comfortableness of user.
The efficiency computational methods of air conditioner according to embodiments of the present invention, by the current working, the compression that obtain air conditioner
The power and air conditioner power consumption of machine, and obtain gas returning port in compressor, exhaust outlet, the end of indoor heat exchanger second and interior and change
The tonifying Qi temperature t of temperature, compressor tonifying Qi entrance in the middle part of hot device8, indoor environment temperature t10, and be in and heat in air conditioner
The refrigerant enthalpy and lubricating oil of above-mentioned each temperature detecting point are generated during operating mode according to the temperature of above-mentioned each temperature detecting point
Enthalpy, and the mixture enthalpy of each temperature detecting point is further generated, power, above-mentioned each temperature then in conjunction with compressor
The mixture enthalpy and air conditioner power consumption of test point obtain the efficiency of air conditioner, and thereby, it is possible to real-time and accurately detect
The efficiency of air conditioner, consequently facilitating optimizing the running status of air conditioner according to the real-time energy efficiency of air conditioner, reach energy-conservation and improve
The purpose of heating effect.
Corresponding above-described embodiment, the present invention also propose another air conditioner.
The air conditioner of the embodiment of the present invention, including memory, processor and storage are on a memory and can be on a processor
The computer program of operation, during computing device computer program, it is empty that the another kind that the above embodiment of the present invention proposes can be achieved
Adjust the efficiency computational methods of device.
Air conditioner according to embodiments of the present invention, real-time and accurately efficiency can be detected, be entered according to real-time energy efficiency
Row running status optimizes, and reaches energy-conservation and improves the purpose of heating effect.
Corresponding above-described embodiment, the present invention also propose a kind of non-transitorycomputer readable storage medium.
The non-transitorycomputer readable storage medium of the embodiment of the present invention, is stored thereon with computer program, the calculating
When machine program is executed by processor, the efficiency computational methods for another air conditioner that the above embodiment of the present invention proposes can be achieved.
Non-transitorycomputer readable storage medium according to embodiments of the present invention, by the computer journey for performing its storage
Sequence, the efficiency of air conditioner can be real-time and accurately detected, consequently facilitating optimizing air conditioner according to the real-time energy efficiency of air conditioner
Running status, reach energy-conservation and improve the purpose of heating effect.
Corresponding above-described embodiment, the present invention also propose the efficiency computing system of another air conditioner.
As shown in figure 5, the efficiency computing system of the air conditioner of the embodiment of the present invention, including gas returning port temperature sensor 01,
Exhaust port temperatures sensor 02, the second end of indoor heat exchanger temperature sensor 05, indoor heat exchanger middle portion temperature sensor 06, benefit
Gas inlet temperature sensor 08, indoor temperature transmitter 11 and acquisition module 10, indoor heat exchanger first end temperature generation mould
Block 00, mixture enthalpy generation module 20, heating capacity generation module 50, efficiency generation module 40.
Wherein, gas returning port temperature sensor 01 is used for the gas returning port temperature t for obtaining gas returning port in compressor1;Exhaust outlet temperature
Degree sensor 02 is used for the exhaust port temperatures t for obtaining exhaust outlet in compressor2;Tonifying Qi inlet temperature sensor 08, which is used to obtain, presses
The tonifying Qi temperature t of contracting machine tonifying Qi entrance8;Indoor temperature transmitter 11 is used to obtain indoor environment temperature t10;Indoor heat exchanger
Two end temperature sensors 05 are used for the second end of the indoor heat exchanger temperature t for obtaining the end of indoor heat exchanger second5;In indoor heat exchanger
Portion's temperature sensor 06 is used to obtain the indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6。
The air conditioner of the embodiment of the present invention can be twin-stage steam compressing air conditioner device, as shown in Fig. 2 the embodiment of the present invention
Air conditioner may include compressor 100, four-way valve 200, outdoor heat exchanger 300, restricting element such as choke valve 400 and choke valve
600th, flash vessel 700 and indoor heat exchanger 500.
As shown in Fig. 2 gas returning port temperature sensor 01 can be set within the compressor at gas returning port, exhaust port temperatures sensor
02 settable exhaust ports, the second end of indoor heat exchanger temperature sensor 05 may be provided at indoor heat exchanger second within the compressor
End, indoor heat exchanger middle portion temperature sensor 06 may be provided in the middle part of indoor heat exchanger, set and mend in compressor tonifying Qi porch
Gas inlet temperature sensor 08 is to detect the tonifying Qi temperature t of compressor tonifying Qi entrance8.Wherein, each temperature sensor with it is right
Answer the refrigerant tube wall of temperature detecting point effectively to contact, and to refrigerant tube wall, especially set the position of temperature sensor to adopt
Take Insulation.For example, temperature sensor can be close to copper pipe setting, and sealing is wound to copper pipe by being incubated adhesive tape.
Thereby, it is possible to improve the reliability and accuracy of temperature detection.
Also, indoor temperature transmitter can be set to detect indoor environment temperature t at heat exchanger fin indoors10。
Acquisition module 10 is used to obtain the current working of air conditioner, the power of compressor and air conditioner power consumption;It is indoor
Heat exchanger first end temperature generation module 00 is used for according to the indoor heat exchanger middle portion temperature t6With indoor environment temperature t10It is raw
Into the first end temperature t of the indoor heat exchanger7;Mixture enthalpy generation module 20 is used for when the current working of air conditioner is system
During thermal condition, according to the gas returning port temperature t of gas returning port in compressor1, in compressor exhaust outlet exhaust port temperatures t2, interior changes
The second end of indoor heat exchanger temperature t at the hot end of device second5, indoor heat exchanger first end indoor heat exchanger first end temperature t7With
The tonifying Qi temperature t of compressor tonifying Qi entrance8The refrigerant enthalpy h of gas returning port is generated respectively1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, row
The refrigerant enthalpy h of gas port2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, the end of indoor heat exchanger second refrigerant enthalpy h5 refrigerantsAnd lubrication
Oily enthalpy h5 lubricating oil, indoor heat exchanger first end refrigerant enthalpy h7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, fill into the gas of compressor
State refrigerant enthalpy h8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy
h8 " lubricating oil, and the refrigerant enthalpy h according to gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, exhaust outlet refrigerant enthalpy h2 refrigerants
With lubricating oil enthalpy h2 lubricating oil, the end of indoor heat exchanger second refrigerant enthalpy h5 refrigerantsWith lubricating oil enthalpy h5 lubricating oil, indoor heat exchange
The refrigerant enthalpy t of device first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oil, fill into the gaseous refrigerant enthalpy h of compressor8 ' refrigerantsWith
Lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oilGenerate the mixing of gas returning port
Thing enthalpy h1, exhaust outlet mixture enthalpy h2, the end of indoor heat exchanger second mixture enthalpy h5, indoor heat exchanger first end
Mixture enthalpy h7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”;Heating capacity generation module 50
For the power according to compressor, the mixture enthalpy h of gas returning port1, exhaust outlet mixture enthalpy h2, indoor heat exchanger second
The mixture enthalpy h at end5, indoor heat exchanger first end mixture enthalpy h7, fill into compressor mixture enthalpy h8’And flash distillation
The mixture enthalpy h of device8”Generate the heating capacity of air conditioner;Efficiency generation module 40 is used for according to air conditioner power consumption and heating
The efficiency of amount generation air conditioner.
Wherein, acquisition module 10, indoor heat exchanger first end temperature generation module 00, mixture enthalpy generation module 20,
Heating capacity generation module 50 and efficiency generation module 40 may be disposed in the electric-control system of air conditioner.Acquisition module 10 can supervise in real time
Survey current working, the power P of compressor of air conditionercomWith air conditioner power consumption PPower consumption。
Herein it should be noted that when the current working of air conditioner is heating condition, outdoor heat exchanger makees evaporator, room
Interior heat exchanger makees condenser, is that the end of indoor heat exchanger second is condensator outlet in the middle part of condenser in the middle part of indoor heat exchanger.
Because the refrigerant of different temperatures test point and the state of the mixture of lubricating oil are different, therefore different temperatures detects
The refrigerant enthalpy and lubricating oil enthalpy of point are different.In one embodiment of the invention, mixture enthalpy generation module 20
Rule of thumb refrigerant enthalpy and lubricating oil enthalpy can be calculated by formula.
Such as mixture enthalpy generation module 20 obtains the refrigerant enthalpy h of gas returning port according to above-mentioned empirical equation1 refrigerantWith
Lubricating oil enthalpy h1 lubricating oil, exhaust outlet refrigerant enthalpy h2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, the end of indoor heat exchanger second system
Cryogen enthalpy h5 refrigerantsWith lubricating oil enthalpy h5 lubricating oilWith the refrigerant enthalpy h of indoor heat exchanger first end7 refrigerantsWith lubricating oil enthalpy
h7 lubricating oil。
In other embodiments of the invention, mixture enthalpy generation module 20 can also directly invoke the calculating knot of software
Fruit, or the refrigerant enthalpy by each temperature detecting point of other approach acquisition.For example, when the current working of air conditioner is
During heating condition, mixture enthalpy generation module 20 can also be according to the high-pressure in air conditioner, gas returning port temperature t1, interior changes
Hot device first end temperature t7Respectively obtain the refrigerant enthalpy h of gas returning port1 refrigerantWith the refrigerant enthalpy of indoor heat exchanger first end
h7 refrigerants, and can be according to the high-pressure in air conditioner, exhaust port temperatures t2, the second end of indoor heat exchanger temperature t5The row of respectively obtaining
The refrigerant enthalpy h of gas port2 refrigerantsWith the refrigerant enthalpy h at the end of indoor heat exchanger second5 refrigerants。
For the lubricating oil enthalpy h of each temperature detecting pointI lubricating oil, mixture enthalpy generation module 20 can be according to following public affairs
Formula is calculated:
hI lubricating oil=-0.0808+1.7032ti+0.0025t2 i,
Wherein, i is positive integer, tiFor the temperature of temperature detecting point.Thus, the lubricating oil enthalpy of gas returning port can be calculated out
Value h1 lubricating oil, exhaust outlet lubricating oil enthalpy h2 lubricating oil, the end of indoor heat exchanger second lubricating oil enthalpy h5 lubricating oil, indoor heat exchanger
The lubricating oil enthalpy h of one end7 lubricating oil, fill into the lubricating oil enthalpy h of compressor8 ' lubricating oil, flash vessel lubricating oil enthalpy h8 " lubricating oil。
Further, mixture enthalpy generation module 20 can calculate the mixture of each temperature detecting point according to below equation
Enthalpy hi:
hi=(1-Cg)hI refrigerants+CghI lubricating oil
Cg=f/104,
Wherein, CgFor mixture oil content, f is the running frequency of compressor.Thus, the mixed of gas returning port can be calculated out
Compound enthalpy h1, exhaust outlet mixture enthalpy h2, the end of indoor heat exchanger second mixture enthalpy h5, indoor heat exchanger first
The mixture enthalpy h at end7, fill into compressor mixture enthalpy h8’With the mixture enthalpy h of flash vessel8”。
In an embodiment of the present invention, heating capacity generation module 50 can generate the heating capacity of air conditioner according to below equation:Wherein, QHeating capacityFor the heating capacity of air conditioner, PcomFor
The power of compressor.
Because the current working of air conditioner is heating condition, thus efficiency generation module 40 can be according to air conditioner power consumption
With the heat efficiency of heating capacity generation air conditioner, specifically, the heat efficiency of air conditioner is the heating capacity and power consumption work(of air conditioner
The ratio between rate, i.e. COP=QHeating capacity/PPower consumption。
, can also be according to operation shape of the heat efficiency of air conditioner to current air conditioner after the heat efficiency of generation air conditioner
State is adjusted.For example, the power of compressor can be improved when the heat efficiency of air conditioner is relatively low, to improve air conditioner
Heating capacity, and the energy consumption of relative reduction air conditioner, so as to save, additionally it is possible to improve the comfortableness of user.
The efficiency computing system of air conditioner according to embodiments of the present invention, the current work of air conditioner is obtained by acquisition module
Condition, the power of compressor and air conditioner power consumption, and gas returning port in compressor, exhaust are obtained by corresponding temperature sensor
Temperature, the tonifying Qi temperature t of compressor tonifying Qi entrance in the middle part of mouth, the end of indoor heat exchanger second and indoor heat exchanger8, indoor environment
Temperature t10, and pass through mixture enthalpy generation module, heating capacity generation module and efficiency when air conditioner is in heating condition
Generation module generates the refrigerant enthalpy and lubrication of above-mentioned each temperature detecting point according to the temperature of above-mentioned each temperature detecting point
Oily enthalpy, and the mixture enthalpy of each temperature detecting point is further generated, power, above-mentioned each temperature then in conjunction with compressor
The refrigerant enthalpy and air conditioner power consumption for spending test point obtain the efficiency of air conditioner, and thereby, it is possible to real-time and accurately detect
To the efficiency of air conditioner, consequently facilitating optimizing the running status of air conditioner according to the real-time energy efficiency of air conditioner, reach energy-conservation and carry
The purpose of high heating effect.
In summary, the air conditioner of the embodiment of the present invention and its efficiency computational methods and system, by obtaining air conditioner system
The physical property of refrigerant and the physical property of lubricating oil in refrigerant cycle system, and according to refrigerant and the mixture of lubricating oil
Physical property the power of air conditioner is calculated, and the efficiency of air conditioner is further calculated, so as to be able to real-time standard
Really detect the refrigeration efficiency and heat efficiency of air conditioner.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be that machinery connects
Connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (28)
1. the efficiency computational methods of a kind of air conditioner, it is characterised in that comprise the following steps:
Obtain current working, the power and air conditioner power consumption of compressor of air conditioner;
Obtain the gas returning port temperature t of gas returning port in compressor1, in the compressor exhaust outlet exhaust port temperatures t2, outdoor heat exchange
The outdoor heat exchanger first end temperature t of device first end4, indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6, indoor environment
Temperature t10With the tonifying Qi temperature t of compressor tonifying Qi entrance8;
According to the indoor heat exchanger middle portion temperature t6With indoor environment temperature t10Generate the room of the indoor heat exchanger first end
Interior heat exchanger first end temperature t7;
When the current working of the air conditioner is cooling condition, according to the gas returning port temperature t of gas returning port in the compressor1It is raw
Into the refrigerant enthalpy h of gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, according to the exhaust port temperatures of exhaust outlet in the compressor
t2Generate the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, according to the outdoor heat exchange of outdoor heat exchanger first end
Device first end temperature t4Generate the refrigerant enthalpy h of outdoor heat exchanger first end4 refrigerantsWith lubricating oil enthalpy h4 lubricating oil, according to interior
The indoor heat exchanger first end temperature t of heat exchanger first end7Generate the refrigerant enthalpy h of indoor heat exchanger first end7 refrigerantsAnd profit
Lubricating oil enthalpy h7 lubricating oil, according to the tonifying Qi temperature t of compressor tonifying Qi entrance8Generation fills into the gaseous refrigerant enthalpy of compressor respectively
h8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oil;
According to the refrigerant enthalpy h of the gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oilGenerate the mixture enthalpy h of gas returning port1,
According to the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oilGenerate the mixture enthalpy h of exhaust outlet2, according to outdoor
The refrigerant enthalpy h of heat exchanger first end4 refrigerantsWith lubricating oil enthalpy h4 lubricating oilGenerate the mixture enthalpy of outdoor heat exchanger first end
h4, according to the refrigerant enthalpy t of indoor heat exchanger first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oilGenerate indoor heat exchanger first end
Mixture enthalpy h7, according to the gaseous refrigerant enthalpy h for filling into compressor8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oilGeneration fills into pressure
Contracting machine mixture enthalpy h8’, according to the liquid refrigerant enthalpy h of flash vessel8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oilGenerate flash vessel
Mixture enthalpy h8”;
According to the power of the compressor, the mixture enthalpy h of the gas returning port1, exhaust outlet mixture enthalpy h2, outdoor changes
The mixture enthalpy h of hot device first end4, indoor heat exchanger first end mixture enthalpy h7, fill into compressor mixture enthalpy
h8’With the mixture enthalpy h of flash vessel8”Generate the refrigerating capacity of air conditioner;And
The efficiency of the air conditioner is generated according to the air conditioner power consumption and the refrigerating capacity.
2. the efficiency computational methods of air conditioner as claimed in claim 1, it is characterised in that according to the refrigerant of generation gas returning port
Enthalpy h1 refrigerantSpecifically include:
According to the gas returning port temperature t1With indoor heat exchanger middle portion temperature t6Generate suction superheat Δ t1;
According to the suction superheat Δ t1With indoor heat exchanger middle portion temperature t6Generate the modifying factor of gas returning port refrigerant enthalpy
D1;
According to the indoor heat exchanger middle portion temperature t6Generate the enthalpy h of saturation refrigerant under suction temperatureAir-breathing saturation;
According to the modifying factor D of the gas returning port refrigerant enthalpy1, the saturation refrigerant enthalpy hAir-breathing saturationGenerate the refrigeration
Agent enthalpy h1 refrigerant。
3. the efficiency computational methods of air conditioner as claimed in claim 2, it is characterised in that air-breathing temperature is generated according to below equation
The enthalpy h of the lower saturation refrigerant of degreeAir-breathing saturation:
hAir-breathing saturation=a1+a2t6+a3t2 6+a4t3 6+a5, wherein, a1-a5For saturation region coefficient corresponding to refrigerant.
4. the efficiency computational methods of air conditioner as claimed in claim 2, it is characterised in that gas returning port is generated according to below equation
The modifying factor D of refrigerant enthalpy1:
D1=1+d1Δt1+d2(Δt1)2+d3(Δt1)t6+d4(Δt1)2t6+d5(Δt1)t2 6+d6(Δt1)2t2 6,
Wherein, d1-d6For overheated zone coefficient corresponding to refrigerant.
5. the efficiency computational methods of air conditioner as claimed in claim 3, it is characterised in that generation indoor heat exchanger first end
Refrigerant enthalpy h7 refrigerantsSpecifically include:
According to the indoor heat exchanger first end temperature t7With the indoor heat exchanger middle portion temperature t6Generate degree of superheat Δ t7;
According to the degree of superheat Δ t7With the indoor heat exchanger middle portion temperature t6Generate indoor heat exchanger first end refrigerant enthalpy
Modifying factor D7;
According to the modifying factor D of the indoor heat exchanger first end refrigerant enthalpy7With the enthalpy h of the saturation refrigerantAir-breathing saturation
Generate the refrigerant enthalpy h7 refrigerants。
6. the efficiency computational methods of air conditioner as claimed in claim 5, it is characterised in that interior is generated according to below equation and changed
The modifying factor D of hot device first end refrigerant enthalpy7:
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Wherein, d1-d6For overheated zone coefficient corresponding to refrigerant.
7. the efficiency computational methods of air conditioner as claimed in claim 1, it is characterised in that the system of the generation exhaust outlet
Cryogen enthalpy h2 refrigerantsSpecifically include:
Obtain the outdoor heat exchanger middle portion temperature t in the middle part of outdoor heat exchanger3;
According to the exhaust port temperatures t of exhaust outlet in the compressor2With the outdoor heat exchanger middle portion temperature t3Generate discharge superheat
Spend Δ t2;
According to the discharge superheat Δ t2With the outdoor heat exchanger middle portion temperature t3Generate the amendment of exhaust outlet refrigerant enthalpy
Factor D2:
According to the outdoor heat exchanger middle portion temperature t3Generate the enthalpy h of saturation refrigerant under delivery temperatureIt is vented saturation;
According to the modifying factor D of the exhaust outlet refrigerant enthalpy2, under the delivery temperature saturation refrigerant enthalpy hIt is vented saturationIt is raw
Into the refrigerant enthalpy h of the exhaust outlet2 refrigerants。
8. the efficiency computational methods of air conditioner as claimed in claim 7, it is characterised in that exhaust outlet is generated according to below equation
The modifying factor D of refrigerant enthalpy2:
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<mi>D</mi>
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Wherein, d1-d6For overheated zone coefficient corresponding to refrigerant.
9. the efficiency computational methods of air conditioner as claimed in claim 1, it is characterised in that the room is generated according to below equation
The refrigerant enthalpy h of external heat exchanger first end4 refrigerants:
Wherein, c1-c4For fauna number is subcooled corresponding to refrigerant.
10. the efficiency computational methods of air conditioner as claimed in claim 1, it is characterised in that air-conditioning is generated according to below equation
The refrigerating capacity of device:
Wherein, QRefrigerating capacityFor the refrigeration of the air conditioner
Amount, PcomFor the power of compressor.
11. the efficiency computational methods of air conditioner as claimed in claim 1, it is characterised in that calculated according to below equation each
The lubricating oil enthalpy h of temperature detecting pointI lubricating oil, wherein, i is positive integer,
hI lubricating oil=-0.0808+1.7032ti+0.0025t2 i,
Wherein, tiFor the temperature of temperature detecting point.
12. the efficiency computational methods of air conditioner as claimed in claim 1, it is characterised in that calculated according to below equation each
The mixture enthalpy h of temperature detecting pointi, wherein, i is positive integer,
hi=(1-Cg)hI refrigerants+CghI lubricating oil
Cg=f/104,
Wherein, CgFor mixture oil content, f is the running frequency of the compressor.
13. a kind of air conditioner, it is characterised in that including memory, processor and be stored on the memory and can be described
The computer program run on processor, described in the computing device during computer program, realize as in claim 1-12
The efficiency computational methods of any described air conditioner.
14. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, it is characterised in that the meter
The efficiency computational methods of the air conditioner as described in any in claim 1-12 are realized when calculation machine program is executed by processor.
15. the efficiency computational methods of a kind of air conditioner, it is characterised in that comprise the following steps:
Obtain current working, the power and air conditioner power consumption of compressor of air conditioner;
Obtain the gas returning port temperature t of gas returning port in compressor1, in the compressor exhaust outlet exhaust port temperatures t2, indoor heat exchange
The second end of indoor heat exchanger temperature t at the end of device second5, indoor heat exchanger middle portion temperature t in the middle part of indoor heat exchanger6, indoor environment
Temperature t10With the tonifying Qi temperature t of compressor tonifying Qi entrance8;
According to the indoor heat exchanger middle portion temperature t6With indoor environment temperature t10Generate the room of the indoor heat exchanger first end
Interior heat exchanger first end temperature t7;
When the current working of the air conditioner is heating condition, according to the gas returning port temperature t of gas returning port in the compressor1It is raw
Into the refrigerant enthalpy h of gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oil, according to the exhaust port temperatures of exhaust outlet in the compressor
t2Generate the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oil, according to the indoor heat exchange at the end of indoor heat exchanger second
The second end of device temperature t5Generate the refrigerant enthalpy h at the end of indoor heat exchanger second5 refrigerantsWith lubricating oil enthalpy h5 lubricating oil, according to interior
The indoor heat exchanger first end temperature t of heat exchanger first end7Generate the refrigerant enthalpy h of indoor heat exchanger first end7 refrigerantsAnd profit
Lubricating oil enthalpy h7 lubricating oil, according to the tonifying Qi temperature t of compressor tonifying Qi entrance8Generation fills into the gaseous refrigerant enthalpy of compressor respectively
h8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oil, flash vessel liquid refrigerant enthalpy h8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oil;
According to the refrigerant enthalpy h of the gas returning port1 refrigerantWith lubricating oil enthalpy h1 lubricating oilGenerate the mixture enthalpy h of gas returning port1,
According to the refrigerant enthalpy h of exhaust outlet2 refrigerantsWith lubricating oil enthalpy h2 lubricating oilGenerate the mixture enthalpy h of exhaust outlet2, according to interior
The refrigerant enthalpy h at the end of heat exchanger second5 refrigerantsWith lubricating oil enthalpy h5 lubricating oilGenerate the mixture enthalpy at the end of indoor heat exchanger second
h5, according to the refrigerant enthalpy t of indoor heat exchanger first end7 refrigerantsWith lubricating oil enthalpy h7 lubricating oilGenerate indoor heat exchanger first end
Mixture enthalpy h7, according to the gaseous refrigerant enthalpy h for filling into compressor8 ' refrigerantsWith lubricating oil enthalpy h8 ' lubricating oilGeneration fills into pressure
Contracting machine mixture enthalpy h8’, according to the liquid refrigerant enthalpy h of flash vessel8 " refrigerantsWith lubricating oil enthalpy h8 " lubricating oilGenerate flash vessel
Mixture enthalpy h8”;
According to the power of the compressor, the mixture enthalpy h of the gas returning port1, exhaust outlet mixture enthalpy h2, interior changes
The mixture enthalpy h at the hot end of device second5, indoor heat exchanger first end mixture enthalpy h7, fill into compressor mixture enthalpy
h8’With the mixture enthalpy h of flash vessel8”Generate the heating capacity of air conditioner;And
The efficiency of the air conditioner is generated according to the air conditioner power consumption and the heating capacity.
16. the efficiency computational methods of air conditioner as claimed in claim 15, it is characterised in that the refrigeration of the generation gas returning port
Agent enthalpy h1 refrigerantSpecifically include:
Obtain the outdoor heat exchanger middle portion temperature t in the middle part of outdoor heat exchanger3;
According to the gas returning port temperature t1With the outdoor heat exchanger middle portion temperature t3Generate suction superheat Δ t1;
According to the suction superheat Δ t1With the outdoor heat exchanger middle portion temperature t3Generate the amendment of gas returning port refrigerant enthalpy
Factor D1;
According to the outdoor heat exchanger middle portion temperature t3Generate the enthalpy h of saturation refrigerant under suction temperatureAir-breathing saturation;
According to the modifying factor D of the gas returning port refrigerant enthalpy1, under the suction temperature saturation refrigerant enthalpy hAir-breathing saturationIt is raw
Into the refrigerant enthalpy h of the gas returning port1 refrigerant。
17. the efficiency computational methods of air conditioner as claimed in claim 16, it is characterised in that according to generating below equation
The enthalpy h of saturation refrigerant under suction temperatureAir-breathing saturation:
Wherein, a1-a5For saturation region coefficient corresponding to refrigerant.
18. the efficiency computational methods of air conditioner as claimed in claim 16, it is characterised in that according to generating below equation
The modifying factor D of gas returning port refrigerant enthalpy1:
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Wherein, d1-d6For overheated zone coefficient corresponding to refrigerant.
19. the efficiency computational methods of air conditioner as claimed in claim 16, it is characterised in that the generation exhaust outlet
Refrigerant enthalpy h2 refrigerantsSpecifically include:
According to the indoor heat exchanger middle portion temperature t in the middle part of the indoor heat exchanger6With the exhaust outlet temperature of exhaust outlet in the compressor
Spend t2Generate discharge superheat Δ t2;
According to the discharge superheat Δ t2With the indoor heat exchanger middle portion temperature t6Generate the amendment of exhaust outlet refrigerant enthalpy
Factor D2;
According to the indoor heat exchanger middle portion temperature t in the middle part of the indoor heat exchanger6Generate the enthalpy of saturation refrigerant under delivery temperature
hIt is vented saturation;
According to the modifying factor D of the exhaust outlet refrigerant enthalpy2, under the delivery temperature saturation refrigerant enthalpy hIt is vented saturationIt is raw
Into the refrigerant enthalpy h of the exhaust outlet2 refrigerants。
20. the efficiency computational methods of the air conditioner described in claim 19, it is characterised in that the row is generated according to below equation
The modifying factor D of gas port refrigerant enthalpy2:
D2=1+d1Δt2+d2(Δt2)2+d3(Δt2)t6+d4(Δt2)2t6+d5(Δt2)t2 6+d6(Δt2)2t2 6,
Wherein, d1-d6For overheated zone coefficient corresponding to refrigerant.
21. the efficiency computational methods of air conditioner as claimed in claim 19, it is characterised in that the generation indoor heat exchange
The refrigerant enthalpy h of device first end7 refrigerantsSpecifically include:
According to the indoor heat exchanger middle portion temperature t in the middle part of the indoor heat exchanger6With the indoor heat exchanger first end temperature t7It is raw
Into degree of superheat Δ t7;
According to the degree of superheat Δ t7With the indoor heat exchanger middle portion temperature t6Generate indoor heat exchanger first end refrigerant enthalpy
Modifying factor D7;
According to the modifying factor D of the indoor heat exchanger first end refrigerant enthalpy7, saturation refrigerant under the delivery temperature
Enthalpy hIt is vented saturationGenerate the refrigerant enthalpy h of the indoor heat exchanger first end7 refrigerants。
22. the efficiency computational methods of air conditioner as claimed in claim 21, it is characterised in that according to generating below equation
The modifying factor D of indoor heat exchanger first end refrigerant enthalpy7:
<mrow>
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<mn>1</mn>
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<mn>1</mn>
</msub>
<msub>
<mi>&Delta;t</mi>
<mn>7</mn>
</msub>
<mo>+</mo>
<msub>
<mi>d</mi>
<mn>2</mn>
</msub>
<msup>
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<mn>7</mn>
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<mn>2</mn>
</msup>
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<msub>
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<mn>3</mn>
</msub>
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<msub>
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<mn>6</mn>
</msub>
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<msub>
<mi>d</mi>
<mn>4</mn>
</msub>
<msup>
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<mn>7</mn>
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</msup>
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<mn>6</mn>
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<msub>
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<mn>5</mn>
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<msubsup>
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<mo>,</mo>
</mrow>
Wherein, d1-d6For overheated zone coefficient corresponding to refrigerant.
23. the efficiency computational methods of air conditioner as claimed in claim 15, it is characterised in that according to calculating below equation
The refrigerant enthalpy h at the end of indoor heat exchanger second5 refrigerants:
h5 refrigerants=c1+c2t5+c3t2 5+c4t3 5, wherein, c1-c4For fauna number is subcooled corresponding to refrigerant.
24. the efficiency computational methods of air conditioner as claimed in claim 15, it is characterised in that according to generating equation below
The heating capacity of air conditioner:
Wherein, QHeating capacityFor the heating of the air conditioner
Amount, PcomFor the power of compressor.
25. the efficiency computational methods of air conditioner as claimed in claim 15, it is characterised in that calculated according to below equation each
The lubricating oil enthalpy h of temperature detecting pointI lubricating oil, wherein, i is positive integer,
hI lubricating oil=-0.0808+1.7032ti+0.0025t2 i,
Wherein, tiFor the temperature of temperature detecting point.
26. the efficiency computational methods of air conditioner as claimed in claim 15, it is characterised in that calculated according to below equation each
The mixture enthalpy h of temperature detecting pointi, wherein, i is positive integer,
hi=(1-Cg)hI refrigerants+CghI lubricating oil
Cg=f/104,
Wherein, CgFor mixture oil content, f is the running frequency of the compressor.
27. a kind of air conditioner, it is characterised in that including memory, processor and be stored on the memory and can be described
The computer program run on processor, described in the computing device during computer program, realize as in claim 15-26
Any described method.
28. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, it is characterised in that the meter
The method as described in any in claim 15-26 is realized when calculation machine program is executed by processor.
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