CN107144438B - The method of on-line checking air conditioner refrigerating Energy Efficiency Ratio and refrigerating capacity - Google Patents
The method of on-line checking air conditioner refrigerating Energy Efficiency Ratio and refrigerating capacity Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000005057 refrigeration Methods 0.000 claims abstract description 43
- 238000004378 air conditioning Methods 0.000 claims abstract description 15
- 238000012886 linear function Methods 0.000 claims description 15
- 238000012887 quadratic function Methods 0.000 claims description 15
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- 238000011897 real-time detection Methods 0.000 abstract description 7
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses the methods of a kind of on-line checking air conditioner refrigerating Energy Efficiency Ratio and refrigerating capacity, during the method for on-line checking refrigeration efficiency ratio includes: operation of air conditioner, obtain real-time press frequency, real-time room temperature, real-time outdoor temperature, in real time in machine revolving speed and outer machine revolving speed in real time；According to typical press frequency, typical outdoor temperature, exemplary core efficiency, when typical relation formula determines real-time kernel Energy Efficiency Ratio corresponding to real-time press frequency and real-time outdoor temperature；Real-time room temperature Energy Efficiency Ratio modifying factor is determined according to real-time room temperature and specified room temperature, machine revolving speed Energy Efficiency Ratio modifying factor in real time is determined according to real-time interior machine revolving speed and specified interior machine revolving speed, according to real-time outer machine revolving speed and the determining outer machine revolving speed Energy Efficiency Ratio modifying factor in real time of specified outer machine revolving speed；Real-time refrigeration efficiency ratio is determined according to real-time kernel Energy Efficiency Ratio and each Energy Efficiency Ratio modifying factor.With the application of the invention, may be implemented in the real-time detection of the when refrigerating capacity of refrigeration efficiency under air-conditioning difference operating condition.
Description
Technical field
The invention belongs to air conditioning performance parameter detecting technical fields, specifically, being to be related to a kind of on-line checking air-conditioning system
The method of cold Energy Efficiency Ratio and refrigerating capacity.
Background technique
Air conditioner refrigerating Energy Efficiency Ratio is the ratio of air conditioner refrigerating amount and operation power, is to measure air conditioner refrigerating performance superiority and inferiority
Parameter, refrigeration efficiency ratio is higher, and the power consumption of air-conditioning is fewer.
In the prior art, air conditioner refrigerating Energy Efficiency Ratio is nominal value of the mark on air-conditioning nameplate, is the root under rated condition
The ratio calculated according to rated cooling capacity and rated disspation.But air-conditioning is in actual use, by use environment
It influences, is extremely difficult to declared working condition.Therefore, refrigeration efficiency ratio nominal on air-conditioning nameplate has been only capable of in using real process
To the effect of reference, practical refrigeration performance cannot be presented in real time.Since the real-time refrigeration efficiency ratio of air-conditioning cannot be obtained,
It can not obtain the actual refrigerating capacity during operation of air conditioner.
Summary of the invention
An object of the present invention is to provide a kind of method of on-line checking air conditioner refrigerating Energy Efficiency Ratio, realizes in air-conditioning difference
The real-time detection of refrigeration efficiency ratio under operating condition.
For achieving the above object, the method for on-line checking refrigeration efficiency ratio provided by the invention uses following technical sides
Case is achieved:
A kind of method of on-line checking air conditioner refrigerating Energy Efficiency Ratio, which comprises
During operation of air conditioner, obtain real-time press frequency f, real-time room temperature tn, real-time outdoor temperature tw, in real time in
Machine revolving speed nn and real-time outer machine revolving speed nw；
According to known typical press frequency, typical outdoor temperature, exemplary core efficiency, when typical relation formula determines institute
State real-time kernel trapped energy theory c corresponding to real-time press frequency f and the real-time outdoor temperature tw；The typical relation formula
Including at a temperature of same typical outdoor, the relational expression of exemplary core Energy Efficiency Ratio and typical press frequency and under typical press frequency,
The relational expression of exemplary core Energy Efficiency Ratio and typical outdoor temperature；
Real-time room temperature Energy Efficiency Ratio modifying factor is determined according to the real-time room temperature tn and specified outdoor temperature Tn
EERtn determines machine revolving speed Energy Efficiency Ratio modifying factor in real time according to the machine revolving speed nn interior in real time and specified interior machine revolving speed Nn
EERnn determines outer machine revolving speed Energy Efficiency Ratio modifying factor in real time according to the outer machine revolving speed nw in real time and specified outer machine revolving speed Nw
EERnw；
Determine real-time refrigeration efficiency ratio EERs:
EERs=[(EERc/EERcr) * d+e] * EERsr+EERtn+EERnn+EERnw；
EERcr is when described according to the typical press frequency, the typical outdoor temperature, the exemplary core efficiency
Specified core Energy Efficiency Ratio corresponding to typical relation formula determines, specified press frequency fr and specified outdoor temperature twr；EERsr
For the nominal refrigeration efficiency ratio of air-conditioning；D and e is correction factor.
Method as described above, the typical press frequency according to known to, typical outdoor temperature, exemplary core Energy Efficiency Ratio
And typical relation formula determines real-time kernel Energy Efficiency Ratio corresponding to the real-time press frequency f and the real-time outdoor temperature tw
EERc is specifically included:
Multiple typical outdoor temperature are determined according to the relational expression of the exemplary core Energy Efficiency Ratio and typical press frequency
Under degree, multiple intercooler core Energy Efficiency Ratio corresponding to the real-time press frequency f；
According to the relational expression of multiple the intercooler core Energy Efficiency Ratio and the exemplary core Energy Efficiency Ratio and typical outdoor temperature
Determine under the real-time press frequency f, the relational expression of intercooler core Energy Efficiency Ratio and typical outdoor temperature；
The real-time press frequency f is determined according to the relational expression of the intercooler core Energy Efficiency Ratio and typical outdoor temperature
Under, real-time kernel Energy Efficiency Ratio corresponding to the real-time outdoor temperature tw, as the real-time press frequency f and the real-time room
Real-time kernel trapped energy theory c corresponding to outer temperature tw.
Method as described above, the typical press frequency according to known to, typical outdoor temperature, exemplary core Energy Efficiency Ratio
And typical relation formula determines real-time kernel Energy Efficiency Ratio corresponding to the real-time press frequency f and the real-time outdoor temperature tw
EERc is specifically included:
Multiple typical press frequencies are determined according to the relational expression of the exemplary core Energy Efficiency Ratio and typical outdoor temperature
Under rate, multiple intercooler core Energy Efficiency Ratio corresponding to the real-time outdoor temperature tw；
According to the relational expression of multiple the intercooler core Energy Efficiency Ratio and the exemplary core Energy Efficiency Ratio and typical press frequency
Determine under the real-time outdoor temperature tw, the relational expression of intercooler core Energy Efficiency Ratio and typical press frequency；
The real-time outdoor temperature tw is determined according to the relational expression of the intercooler core Energy Efficiency Ratio and typical press frequency
Under, real-time kernel Energy Efficiency Ratio corresponding to the real-time press frequency f, as the real-time press frequency f and the real-time room
Real-time kernel trapped energy theory c corresponding to outer temperature tw.
Preferably, the relational expression of the exemplary core Energy Efficiency Ratio and typical press frequency is linear function relational expression；It is typical
The relational expression of core Energy Efficiency Ratio and typical outdoor temperature is quadratic function relation formula.
Method as described above, it is described that interior in real time is determined according to the real-time room temperature tn and specified room temperature Tn
Temperature Energy Efficiency Ratio modifying factor EERtn, specifically includes:
According to following formula EERtn=a* (tn-Tn), real-time room temperature Energy Efficiency Ratio modifying factor EERtn is determined；A is
Correction factor not less than 0.
Method as described above, it is described that machine in real time is determined according to the machine revolving speed nn interior in real time and specified interior machine revolving speed Nn
Revolving speed Energy Efficiency Ratio modifying factor EERnn, specifically includes:
According to following formula EERnn=b* (nn-Nn), machine revolving speed Energy Efficiency Ratio modifying factor EERnn in real time is determined；B is
Correction factor not less than 0.
Method as described above, it is described that outer machine in real time is determined according to the outer machine revolving speed nw in real time and specified outer machine revolving speed Nw
Revolving speed Energy Efficiency Ratio modifying factor EERnw, specifically includes:
According to following formula EERnw=c* (nw-Nw), outer machine revolving speed Energy Efficiency Ratio modifying factor EERnw in real time is determined；C is
Correction factor not less than 0.
Preferably, the method also includes:
The real-time refrigeration efficiency ratio EERs is shown.
The second object of the present invention is to provide a kind of method of on-line checking air conditioner refrigerating amount, realizes and run in air-conditioning difference
The real-time detection of refrigerating capacity under operating condition.
For achieving the above object, refrigerating capacity online test method provided by the invention, which adopts the following technical solutions, gives
It realizes:
A kind of air conditioner refrigerating amount online test method, which comprises
During operation of air conditioner, the real-time refrigeration efficiency ratio EERs and real time execution power P of air-conditioning are obtained；
Determine real-time refrigerating capacity W:W=EERs*P；
The real-time refrigeration efficiency ratio EERs is determined according to the method for above-mentioned on-line checking refrigeration efficiency ratio.
Method as described above, the method also includes: the real-time refrigerating capacity W is shown.
Compared with prior art, the advantages and positive effects of the present invention are: air conditioner refrigerating Energy Efficiency Ratio provided by the invention exists
Line detecting method, by typical press frequency, typical outdoor temperature, exemplary core efficiency, when typical relation formula is determined to system
Real-time kernel Energy Efficiency Ratio corresponding to the real-time press frequency and real-time outdoor temperature that cold Energy Efficiency Ratio is affected, then based on real-time
Room temperature, in real time interior machine revolving speed and in real time outer machine revolving speed are determined on refrigeration efficiency Energy Efficiency Ratio modifying factor more lesser than influence
Son finally determines real-time refrigeration efficiency ratio according to real-time kernel Energy Efficiency Ratio and multiple Energy Efficiency Ratio modifying factors, can not only be real
Now to the real-time detection of refrigeration efficiency ratio under operating conditions different during operation of air conditioner, and testing result accuracy is higher, meets reality
Border operating condition can provide intuitive, accurately real-time refrigerating operaton Energy Efficiency Ratio for user；Real-time refrigeration efficiency based on detection
Than actual refrigerating capacity during available operation of air conditioner realizes the real-time detection of refrigerating capacity, and then provide directly for user
Sight, accurately real-time refrigerating capacity.
After a specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Detailed description of the invention
Fig. 1 is the flow chart of method one embodiment based on on-line checking air conditioner refrigerating Energy Efficiency Ratio of the present invention；
Fig. 2 is the flow chart of method one embodiment based on on-line checking air conditioner refrigerating amount of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to drawings and examples,
Invention is further described in detail.
Firstly, being briefly described to technical thought of the invention:
The theoretical analysis and experimental verification, refrigeration efficiency when running to air conditioner refrigerating are outdoor than the factor that is affected
Temperature and press frequency, and room temperature, interior machine revolving speed and outer machine revolving speed are smaller than influencing on refrigeration efficiency.It therefore, is simplification
Refrigeration efficiency is than on-line checking process and guarantees the accuracy detected, and present applicant proposes by real-time outdoor temperature and in real time
The refrigeration efficiency ratio that press frequency is influenced is determined by the way of experimental data reckoning as core Energy Efficiency Ratio；And it will be to system
The Energy Efficiency Ratio that cold Energy Efficiency Ratio influences lesser factor is determining using modified mode is made according to real value and rated value.Then, then
It determines total real-time refrigeration efficiency ratio under the influence of all factors, realizes the on-line real-time measuremen to refrigeration efficiency ratio.
Referring to Figure 1, which show method one embodiment based on on-line checking air conditioner refrigerating Energy Efficiency Ratio of the present invention
Flow chart.
As shown in Figure 1, the method that the embodiment realizes on-line checking air conditioner refrigerating Energy Efficiency Ratio includes the following steps:
Step 11: during operation of air conditioner, obtaining real-time press frequency f, real-time room temperature tn, real-time outdoor temperature
Tw, in real time interior machine revolving speed nn and in real time outer machine revolving speed nw.
Since compressor, indoor fan and outdoor fan are to issue instruction by the main controller of air conditioner to carry out frequency and wind
Speed control, therefore, real-time press frequency f, in real time interior machine revolving speed nn and real-time outer machine revolving speed nw can be by the main controllers of air conditioner
Easily get.Real-time room temperature and real-time outdoor temperature can be respectively by being arranged the temperature detection with outdoor indoors
Device is detected and is obtained.
Step 12: determining real-time kernel trapped energy theory c corresponding to real-time press frequency f and real-time outdoor temperature tw, really
Fixed real-time room temperature Energy Efficiency Ratio modifying factor EERtn, in real time interior machine revolving speed Energy Efficiency Ratio modifying factor EERnn and in real time outer machine turn
Fast Energy Efficiency Ratio modifying factor EERnw.
Specifically, according to known typical press frequency, typical outdoor temperature, exemplary core efficiency when typical relation
Formula determines real-time kernel trapped energy theory c corresponding to real-time press frequency f and real-time outdoor temperature tw.Wherein, typical press frequency
Rate, typical outdoor temperature and exemplary core Energy Efficiency Ratio are multiple, and at a temperature of each typical press frequency and each typical outdoor
Correspond to an exemplary core Energy Efficiency Ratio.Typical press frequency, typical outdoor temperature and corresponding exemplary core Energy Efficiency Ratio one
As dispatch from the factory for air conditioner before experimental determination and be written in air conditioner memory.And typical relation formula is based on typical press frequency
Rate, typical outdoor temperature and exemplary core Energy Efficiency Ratio and the relational expression obtained, specifically, typical relation formula includes same typical chamber
At outer temperature, the relational expression of exemplary core Energy Efficiency Ratio and typical press frequency and under typical press frequency, exemplary core energy
Effect is than the relational expression with typical outdoor temperature.Moreover, through analysis and verification experimental verification, exemplary core Energy Efficiency Ratio and typical press frequency
Relational expression be linear function relational expression；The relational expression of exemplary core Energy Efficiency Ratio and typical outdoor temperature is quadratic function relation
Formula.
About typical press frequency, typical outdoor temperature, exemplary core efficiency when one of typical relation formula it is specific real
Under such as:
Table 1 show the exemplary core efficiency that typical press frequency, typical outdoor temperature and exemplary core Energy Efficiency Ratio are constituted
Compare table.
1 exemplary core Energy Efficiency Ratio table of table
In the exemplary core Energy Efficiency Ratio table shown in table 1 above, including there are three typical outdoor temperature, respectively 30 DEG C,
35 DEG C, 40 DEG C further include that there are three typical press frequencies, respectively 27hz, 46hz, 64hz.Each typical press frequency and every
An exemplary core Energy Efficiency Ratio is respectively corresponded at a temperature of a typical outdoor, shares nine exemplary core Energy Efficiency Ratio.With 30 DEG C
For exemplary core Energy Efficiency Ratio 6.42 corresponding to typical outdoor temperature and the typical press frequency of 27hz, typical core is briefly explained
The acquisition methods of heart Energy Efficiency Ratio:
In certain experimental situation, control outdoor temperature is 30 DEG C, press running frequency is 27hz, room temperature, interior machine
Revolving speed and outer machine revolving speed are rated value (the corresponding air conditioner for determining type, rated value is determining, known)；Then, it surveys
The refrigerating capacity and power for trying air-conditioning determine that Energy Efficiency Ratio is 6.42 according to the ratio of refrigerating capacity and power, are as outdoor temperature
30 DEG C, press frequency be 27hz corresponding to exemplary core Energy Efficiency Ratio.The device and method of laboratory test refrigerating capacity and power,
It is realized using the prior art.
Using the above method, typical core corresponding to other typical outdoor temperature and other typical press frequencies is successively obtained
Heart Energy Efficiency Ratio, all typical outdoor temperature, typical press frequency and exemplary core Energy Efficiency Ratio constitute table 1, are written to air conditioner
In memory.
In addition, obtaining also according to typical outdoor temperature, typical press frequency and exemplary core Energy Efficiency Ratio with typical outdoor temperature
Under degree, the linear function relational expression of exemplary core Energy Efficiency Ratio and typical press frequency and under typical press frequency, typical core
The quadratic function relation formula of heart Energy Efficiency Ratio and typical outdoor temperature.Specifically, be obtained by way of numerical fitting it is above-mentioned
Linear function relational expression and quadratic function relation formula, specific relational expression is as follows:
At a temperature of typical outdoor, the linear function relational expression packet of exemplary core Energy Efficiency Ratio Yeer and typical press frequency f
It includes:
At 30 DEG C, Yeer=-0.052f+7.842.
At 35 DEG C, Yeer=-0.04f+6.396.
At 40 DEG C, Yeer=-0.024f+8.971.
With under typical press frequency, the quadratic function relation formula packet of exemplary core Energy Efficiency Ratio Yeer and typical outdoor temperature tw
It includes:
27hz, Yeer=-0.0035tw2+0.0007tw+9.5179。
46hz, Yeer=-0.0018tw2-0.0638tw+8.9311。
64hz, Yeer=-0.0002tw2-0.125tw+8.3751。
Above-mentioned each relational expression, which is also written in air conditioner memory, to be stored.
Typical outdoor temperature and typical press number of frequencies in exemplary core Energy Efficiency Ratio table is limited, for example, only having three
It is a, all practical outdoor temperature and practical press running frequency far can not be covered.Therefore, in air conditioner use process,
By according in above-mentioned exemplary core Energy Efficiency Ratio table data and corresponding relational expression go to determine real-time press frequency f and real-time room
Real-time kernel trapped energy theory c corresponding to outer temperature tw.Moreover, specifically can determine real-time core using following two ways
Heart trapped energy theory c:
Method one determines real-time kernel Energy Efficiency Ratio according to the quadratic function relation formula of core Energy Efficiency Ratio and outdoor temperature
EERc。
Firstly, determining multiple typical outdoor temperature according to a relational expression of exemplary core Energy Efficiency Ratio and typical press frequency
Under degree, multiple intercooler core Energy Efficiency Ratio corresponding to real-time press frequency f.
For example, the exemplary core Energy Efficiency Ratio table of air conditioner and relational expression are real as described above, in air conditioner actual motion
When press frequency f=52hz, tw=32 DEG C of real-time outdoor temperature.So,
According to the linear function relational expression Yeer=- of exemplary core Energy Efficiency Ratio Yeer at 30 DEG C and typical press frequency f
F=52hz is substituted into relational expression by 0.052f+7.842, is calculated 30 DEG C, intercooler core Energy Efficiency Ratio corresponding to 52hz, is denoted as A.
According to the linear function relational expression Yeer=- of exemplary core Energy Efficiency Ratio Yeer at 35 DEG C and typical press frequency f
F=52hz is substituted into relational expression by 0.04f+6.396, is calculated 35 DEG C, intercooler core Energy Efficiency Ratio corresponding to 52hz, is denoted as B.
According to the linear function relational expression Yeer=- of exemplary core Energy Efficiency Ratio Yeer at 40 DEG C and typical press frequency f
F=52hz is substituted into relational expression by 0.024f+8.971, is calculated 40 DEG C, intercooler core Energy Efficiency Ratio corresponding to 52hz, is denoted as C.
Then, according to the relational expression of multiple intercooler core Energy Efficiency Ratio and exemplary core Energy Efficiency Ratio and typical outdoor temperature (
That is quadratic function relation formula) determine under real-time press frequency f, the relationship of intercooler core Energy Efficiency Ratio and typical outdoor temperature
Formula.That is, being fitted quadratic function relation formula according to A, B and C, determine under 52hz, intercooler core Energy Efficiency Ratio and typical outdoor temperature
The quadratic function relation formula of degree.The specific implementation process for being fitted quadratic function relation formula refers to the prior art, does not make herein in detail
Description.
Finally, being determined under real-time press frequency f, in fact according to the relational expression of intercooler core Energy Efficiency Ratio and typical outdoor temperature
When outdoor temperature tw corresponding to real-time kernel Energy Efficiency Ratio, as corresponding to real-time press frequency f and real-time outdoor temperature tw
Real-time kernel trapped energy theory c.That is, by the quadratic function of above-mentioned the intercooler core Energy Efficiency Ratio determined and typical outdoor temperature
Outdoor temperature in relational expression replaces with 32 DEG C, and a core Energy Efficiency Ratio is calculated, which is the real-time of 52hz
Real-time kernel trapped energy theory c under press frequency, corresponding under 32 DEG C of real-time outdoor temperature.
Method two determines real-time kernel Energy Efficiency Ratio according to the linear function relational expression of core Energy Efficiency Ratio and press frequency
EERc。
Firstly, determining multiple typical press frequencies according to the secondary relational expression of exemplary core Energy Efficiency Ratio and typical outdoor temperature
Under rate, multiple intercooler core Energy Efficiency Ratio corresponding to real-time outdoor temperature tw.
For example, the exemplary core Energy Efficiency Ratio table of air conditioner and relational expression are real as described above, in air conditioner actual motion
When press frequency f=52hz, tw=32 DEG C of real-time outdoor temperature.So,
According to the quadratic function formula Yeer=- of exemplary core Energy Efficiency Ratio Yeer under 27hz and typical outdoor temperature tw
0.0035tw2Tw=32 DEG C of substitution relational expression is calculated 27hz, intercalated nucleus corresponding to 32 DEG C by+0.0007tw+9.5179
Heart Energy Efficiency Ratio, is denoted as D.
According to the quadratic function formula Yeer=- of exemplary core Energy Efficiency Ratio Yeer under 46hz and typical outdoor temperature tw
0.0018tw2Tw=32 DEG C of substitution relational expression is calculated 46hz, intercalated nucleus corresponding to 32 DEG C by -0.0638tw+8.9311
Heart Energy Efficiency Ratio, is denoted as E.
According to the quadratic function formula Yeer=- of exemplary core Energy Efficiency Ratio Yeer under 64hz and typical outdoor temperature tw
0.0002tw2Tw=32 DEG C of substitution relational expression is calculated 64hz, intercooler core corresponding to 32 DEG C by -0.125tw+8.3751
Energy Efficiency Ratio is denoted as F.
Then, according to the relational expression of multiple intercooler core Energy Efficiency Ratio and exemplary core Energy Efficiency Ratio and typical press frequency (
That is linear function relational expression) determine under real-time outdoor temperature tw, the relationship of intercooler core Energy Efficiency Ratio and typical press frequency
Formula.That is, being fitted linear function relational expression according to D, E and F, determine at 32 DEG C, intercooler core Energy Efficiency Ratio and typical press frequently
The linear function relational expression of rate.The specific implementation process for being fitted linear function relational expression refers to the prior art, does not make herein in detail
Description.
Finally, being determined under real-time press frequency f, in fact according to the relational expression of intercooler core Energy Efficiency Ratio and typical press frequency
When outdoor temperature tw corresponding to real-time kernel Energy Efficiency Ratio, as corresponding to real-time press frequency f and real-time outdoor temperature tw
Real-time kernel trapped energy theory c.That is, by the linear function of above-mentioned the intercooler core Energy Efficiency Ratio determined and typical press frequency
Press frequency in relational expression replaces with 52hz, and a core Energy Efficiency Ratio is calculated, which is the real-time of 52hz
Real-time kernel trapped energy theory c under press frequency, corresponding under 32 DEG C of real-time outdoor temperature.
Real-time kernel corresponding to real-time press frequency f and real-time outdoor temperature tw is determined by the way of above-mentioned relation formula
Trapped energy theory c, it is only necessary to which a small amount of typical press frequency, typical outdoor temperature and exemplary core Energy Efficiency Ratio, this method are especially suitable
It is used together in the case where experimental period is limited or experiment condition is limited and can not obtain more exemplary core Energy Efficiency Ratio.
In addition it is also necessary to determine real-time room temperature Energy Efficiency Ratio modifying factor EERtn, in real time interior machine revolving speed Energy Efficiency Ratio amendment
Factor EERnn and real-time outer machine revolving speed Energy Efficiency Ratio modifying factor EERnw.It is specific:
Real-time room temperature Energy Efficiency Ratio modifying factor is determined according to real-time room temperature tn and specified room temperature Tn
EERtn.It as a preferred embodiment, is that real-time room temperature Energy Efficiency Ratio modifying factor is determined according to formula EERtn=a* (tn-Tn)
Sub- EERtn；A is the correction factor not less than 0.Preferably, the value range of a is [0,20], for example, a=8.
Machine revolving speed Energy Efficiency Ratio modifying factor in real time is determined according to real-time interior machine revolving speed nn and specified interior machine revolving speed Nn
EERnn.It as a preferred embodiment, is that machine revolving speed Energy Efficiency Ratio modifying factor in real time is determined according to formula EERnn=b* (nn-Nn)
Sub- EERnn；B is the correction factor not less than 0.Preferably, in real time in machine revolving speed when being located at different range, b taken with different
It is worth range.Specifically, if machine revolving speed nn is greater than rotary speed threshold value (for example, being 1400rpm) in real time, the value range of b is
[0,0.04]；If machine revolving speed nn is not more than rotary speed threshold value in real time, the value range of b is [0,0.3].
Outer machine revolving speed Energy Efficiency Ratio modifying factor in real time is determined according to real-time outer machine revolving speed nw and specified outer machine revolving speed Nw
EERnw.It as a preferred embodiment, is that outer machine revolving speed Energy Efficiency Ratio modifying factor in real time is determined according to formula EERnw=c* (nw-Nw)
Sub- EERnw；C is the correction factor not less than 0.Preferably, the value range of c is [0,0.06], c=0.02.
Step 13: determining real-time refrigeration efficiency ratio EERs.
Specifically, it is that real-time refrigeration efficiency ratio EERs is determined according to following formula:
EERs=[(EERc/EERcr) * d+e] * EERsr+EERtn+EERnn+EERnw.
In formula, EERc, EERtn, EERnn and EERnw are determined by step 12；EERcr is according to typical press frequency, allusion quotation
Type outdoor temperature, exemplary core efficiency when typical relation formula determine, specified press frequency fr and specified outdoor temperature twr institute
Corresponding specified core Energy Efficiency Ratio determines that method determines the process of EERc with reference to step 12；EERsr is the nominal refrigeration energy of air-conditioning
Ratio is imitated, is determined using the prior art；D and e is correction factor.Preferably, the value range of d is [0,2], the value range of e
For [- 1,1].For example, d=1, e=0.
It is when typical by typical press frequency, typical outdoor temperature, exemplary core efficiency using the method for the embodiment
Relational expression is determined to refrigeration efficiency than real-time kernel corresponding to the real-time press frequency being affected and real-time outdoor temperature
Energy Efficiency Ratio, then based on real-time room temperature, in real time in machine revolving speed and in real time outer machine revolving speed determine on refrigeration efficiency than influence compared with
Small Energy Efficiency Ratio modifying factor finally determines the energy that freezes in real time according to real-time kernel Energy Efficiency Ratio and multiple Energy Efficiency Ratio modifying factors
Ratio is imitated, can not only realize the real-time detection to refrigeration efficiency ratio under operating conditions different during operation of air conditioner, and testing result essence
Exactness is higher, meets actual operating mode, and intuitive, accurately real-time refrigerating operaton Energy Efficiency Ratio can be provided for user.
In some other preferred embodiment, also determining real-time refrigeration efficiency ratio EERs is shown, for example, is passed through
Air-conditioner panel display screen is shown, convenient for timely, intuitively knowing the real-time refrigeration efficiency ratio in air conditioner operational process.
Fig. 2 is referred to, which show the stream of method one embodiment based on on-line checking air conditioner refrigerating amount of the present invention
Cheng Tu.
As shown in Fig. 2, the method that the embodiment realizes on-line checking air conditioner refrigerating amount includes the following steps:
Step 21: during operation of air conditioner, obtaining real-time press frequency f, real-time room temperature tn, real-time outdoor temperature
Tw, in real time interior machine revolving speed nn and in real time outer machine revolving speed nw.
Step 22: determining real-time kernel trapped energy theory c corresponding to real-time press frequency f and real-time outdoor temperature tw, really
Fixed real-time room temperature Energy Efficiency Ratio modifying factor EERtn, in real time interior machine revolving speed Energy Efficiency Ratio modifying factor EERnn and in real time outer machine turn
Fast Energy Efficiency Ratio modifying factor EERnw.
Step 23: determining real-time refrigeration efficiency ratio EERs.
The specific implementation process of above-mentioned steps 21 to step 23 refers to the description that Fig. 1 embodiment corresponds to step.
Step 24: real-time refrigerating capacity W is determined according to real-time refrigeration efficiency ratio EERs and real time execution power P.
The acquisition of real time execution power P can be realized using the prior art, be not specifically addressed herein.Step 23 determines
After real-time refrigeration efficiency ratio EERs, real-time refrigerating capacity is determined according to formula W=EERs*P.
Real-time refrigeration efficiency ratio based on detection, the actual refrigerating capacity during available operation of air conditioner realize refrigeration
The real-time detection of amount, and then intuitive, accurately real-time refrigerating capacity is provided for user.
In some other preferred embodiment, also determining real-time refrigerating capacity W is shown, for example, passes through air conditioner
Display panel screen is shown, convenient for timely, intuitively knowing the real-time refrigerating capacity in air conditioner operational process.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although referring to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of method of on-line checking air conditioner refrigerating Energy Efficiency Ratio, which is characterized in that the described method includes:
During operation of air conditioner, real-time press frequency f, real-time room temperature tn, real-time outdoor temperature tw, in real time interior machine turn are obtained
Fast nn and real-time outer machine revolving speed nw；
According to known typical press frequency, typical outdoor temperature, exemplary core efficiency, when typical relation formula determines the reality
When the press frequency f and real-time outdoor temperature tw corresponding to real-time kernel trapped energy theory c；The typical relation formula includes
With at a temperature of typical outdoor, the relational expression of exemplary core Energy Efficiency Ratio and typical press frequency, and under typical press frequency, allusion quotation
The relational expression of type core Energy Efficiency Ratio and typical outdoor temperature；
Real-time room temperature Energy Efficiency Ratio modifying factor is determined according to the real-time room temperature tn and specified outdoor temperature Tn
EERtn determines machine revolving speed Energy Efficiency Ratio modifying factor in real time according to the machine revolving speed nn interior in real time and specified interior machine revolving speed Nn
EERnn determines outer machine revolving speed Energy Efficiency Ratio modifying factor in real time according to the outer machine revolving speed nw in real time and specified outer machine revolving speed Nw
EERnw；
Determine real-time refrigeration efficiency ratio EERs:
EERs=[(EERc/EERcr) * d+e] * EERsr+EERtn+EERnn+EERnw；
EERcr is according to the typical press frequency, the typical outdoor temperature, the exemplary core the efficiency when typical case
Relational expression determine specified core Energy Efficiency Ratio, and with corresponding to specified press frequency fr and specified outdoor temperature Tn；EERsr is sky
The nominal refrigeration efficiency ratio adjusted；D and e is correction factor.
2. the method according to claim 1, wherein the typical press frequency, typical outdoor according to known to
When typical relation formula determines that the real-time press frequency f and the real-time outdoor temperature tw institute are right for temperature, exemplary core efficiency
The real-time kernel trapped energy theory c answered, specifically includes:
At a temperature of determining multiple typical outdoors according to the relational expression of the exemplary core Energy Efficiency Ratio and typical press frequency,
Multiple intercooler core Energy Efficiency Ratio corresponding to the real-time press frequency f；
It is determined according to the relational expression of multiple intercooler core Energy Efficiency Ratio and the exemplary core Energy Efficiency Ratio and typical outdoor temperature
Out under the real-time press frequency f, the relational expression of intercooler core Energy Efficiency Ratio and typical outdoor temperature；
It is determined under the real-time press frequency f according to the relational expression of the intercooler core Energy Efficiency Ratio and typical outdoor temperature, institute
Real-time kernel Energy Efficiency Ratio corresponding to real-time outdoor temperature tw is stated, as the real-time press frequency f and the real-time outdoor temp
Spend real-time kernel trapped energy theory c corresponding to tw.
3. the method according to claim 1, wherein the typical press frequency, typical outdoor according to known to
When typical relation formula determines that the real-time press frequency f and the real-time outdoor temperature tw institute are right for temperature, exemplary core efficiency
The real-time kernel trapped energy theory c answered, specifically includes:
Determined under multiple typical press frequencies according to the relational expression of the exemplary core Energy Efficiency Ratio and typical outdoor temperature,
Multiple intercooler core Energy Efficiency Ratio corresponding to the real-time outdoor temperature tw；
It is determined according to the relational expression of multiple intercooler core Energy Efficiency Ratio and the exemplary core Energy Efficiency Ratio and typical press frequency
Out under the real-time outdoor temperature tw, the relational expression of intercooler core Energy Efficiency Ratio and typical press frequency；
It is determined under the real-time outdoor temperature tw according to the relational expression of the intercooler core Energy Efficiency Ratio and typical press frequency, institute
Real-time kernel Energy Efficiency Ratio corresponding to real-time press frequency f is stated, as the real-time press frequency f and the real-time outdoor temperature
Real-time kernel trapped energy theory c corresponding to tw.
4. the method according to claim 1, wherein the pass of the exemplary core Energy Efficiency Ratio and typical press frequency
Be formula be linear function relational expression；The relational expression of exemplary core Energy Efficiency Ratio and typical outdoor temperature is quadratic function relation formula.
5. method according to claim 1 to 4, which is characterized in that described according to the real-time room temperature
Tn and specified room temperature Tn determines real-time room temperature Energy Efficiency Ratio modifying factor EERtn, specifically includes:
According to following formula EERtn=a*(tn-Tn), determine real-time room temperature Energy Efficiency Ratio modifying factor EERtn；A be not less than
0 correction factor.
6. method according to claim 1 to 4, which is characterized in that described according to the machine revolving speed interior in real time
Nn and specified interior machine revolving speed Nn determine machine revolving speed Energy Efficiency Ratio modifying factor EERnn in real time, specifically include:
According to following formula EERnn=b*(nn-Nn), determine machine revolving speed Energy Efficiency Ratio modifying factor EERnn in real time；B be not less than
0 correction factor.
7. method according to claim 1 to 4, which is characterized in that described according to the outer machine revolving speed in real time
Nw and specified outer machine revolving speed Nw determine outer machine revolving speed Energy Efficiency Ratio modifying factor EERnw in real time, specifically include:
According to following formula EERnw=c*(nw-Nw), determine outer machine revolving speed Energy Efficiency Ratio modifying factor EERnw in real time；C be not less than
0 correction factor.
8. the method according to claim 1, wherein the method also includes:
The real-time refrigeration efficiency ratio EERs is shown.
9. a kind of method of on-line checking air conditioner refrigerating amount, which is characterized in that the described method includes:
During operation of air conditioner, the real-time refrigeration efficiency ratio EERs and real time execution power P of air-conditioning are obtained；
Determine real-time refrigerating capacity W:W=EERs*P；
Real-time refrigeration efficiency ratio EERs on-line checking air conditioner refrigerating efficiency according to any one of claim 1 to 7
The method of ratio determines.
10. according to the method described in claim 9, it is characterized in that, the method also includes:
The real-time refrigerating capacity W is shown.
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| CN201710238888.6A CN107144438B (en) | 2017-04-13 | 2017-04-13 | The method of on-line checking air conditioner refrigerating Energy Efficiency Ratio and refrigerating capacity |
| PCT/CN2018/082076 WO2018188520A1 (en) | 2017-04-13 | 2018-04-06 | Online detection method for refrigeration energy efficiency ratio and refrigeration capacity of air conditioner |
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| CN107144438B (en) * | 2017-04-13 | 2019-10-01 | 青岛海尔空调器有限总公司 | The method of on-line checking air conditioner refrigerating Energy Efficiency Ratio and refrigerating capacity |
| CN109140678B (en) * | 2018-08-28 | 2020-11-10 | 四川长虹空调有限公司 | Regression analysis method for air conditioning data and refrigerant parameters of variable frequency air conditioning system |
| CN110726221B (en) * | 2019-10-29 | 2020-09-25 | 珠海格力电器股份有限公司 | Method and device for determining air conditioner energy efficiency information and air conditioner |
| CN115875802B (en) * | 2021-09-26 | 2024-07-16 | ***通信集团浙江有限公司 | Air conditioner refrigerating capacity assessment method, device, equipment and readable storage medium |
| CN114112464B (en) * | 2021-11-15 | 2024-02-02 | 宁波奥克斯电气股份有限公司 | Indoor unit testing method and indoor unit testing system |
| CN117419422B (en) * | 2023-12-18 | 2024-03-26 | 深圳市前海能源科技发展有限公司 | Energy efficiency calculation method of regional cooling system and related equipment |
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