CN107144438A - 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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- 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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- 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 a kind of on-line checking air conditioner refrigerating Energy Efficiency Ratio and the method for refrigerating capacity, on-line checking refrigeration efficiency than method include：During operation of air conditioner, real-time press frequency, real-time indoor temperature, in real time real-time outdoor temperature, interior machine rotating speed and real-time outer machine rotating speed are obtained；According to typical press frequency, typical outdoor temperature, exemplary core efficiency, when typical relation formula determines real-time press frequency and the real-time kernel Energy Efficiency Ratio corresponding to real-time outdoor temperature；Real-time indoor temperature Energy Efficiency Ratio modifying factor is determined according to real-time indoor temperature and specified indoor temperature, machine rotating speed Energy Efficiency Ratio modifying factor in real time is determined according to machine rotating speed in real-time and specified interior machine rotating speed, according to real-time outer machine rotating speed and the specified outer real-time outer machine rotating speed Energy Efficiency Ratio modifying factor of machine rotating speed determination；Real-time refrigeration efficiency ratio is determined according to real-time kernel Energy Efficiency Ratio and each Energy Efficiency Ratio modifying factor.Using the present invention, the real-time detection of the when refrigerating capacity of refrigeration efficiency under the different operating conditions of air-conditioning may be implemented in.
Description
Technical field
It is to be related to a kind of on-line checking air-conditioning system specifically the invention belongs to heat pump performance parameter detecting technical field
The method of cold Energy Efficiency Ratio and refrigerating capacity.
Background technology
Air conditioner refrigerating Energy Efficiency Ratio, is air conditioner refrigerating amount and the ratio of operation power, is to weigh air conditioner refrigerating performance quality
Parameter, refrigeration efficiency is than higher, and the power consumption of air-conditioning is fewer.
In the prior art, nominal value of the air conditioner refrigerating Energy Efficiency Ratio for 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 in actual use, by use environment
Influence, 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, it is impossible to actual refrigeration performance is presented in real time.Due to the real-time refrigeration efficiency ratio of air-conditioning can not be obtained, therefore,
The actual refrigerating capacity during operation of air conditioner can not be obtained.
The content 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 different in air-conditioning
Under operating condition refrigeration efficiency than real-time detection.
For achieving the above object, the on-line checking refrigeration efficiency that provides of the present invention than method use following technical sides
Case is achieved：
A kind of method of on-line checking air conditioner refrigerating Energy Efficiency Ratio, methods described includes：
During operation of air conditioner, obtain real-time press frequency f, real-time indoor temperature tn, real-time outdoor temperature tw, in real time in
Machine rotating speed nn and real-time outer machine rotating speed nw；
According to known typical press frequency, typical outdoor temperature, exemplary core efficiency, when typical relation formula determines institute
State the real-time kernel trapped energy theory c corresponding to the real-time press frequency f and 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 with typical press frequency,
The relational expression of exemplary core Energy Efficiency Ratio and typical outdoor temperature；
Real-time indoor temperature Energy Efficiency Ratio modifying factor is determined according to the real-time indoor temperature tn and specified outdoor temperature Tn
EERtn, according to it is described in real time in machine rotating speed nn and specified interior machine rotating speed Nn determine machine rotating speed Energy Efficiency Ratio modifying factor in real-time
EERnn, outer machine rotating speed Energy Efficiency Ratio modifying factor in real time is determined according to the outer machine rotating speed nw in real time and specified outer machine rotating speed Nw
EERnw；
It is determined that refrigeration efficiency compares EERs in real time：
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 is determined, 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, typical press frequency, typical outdoor temperature, exemplary core Energy Efficiency Ratio known to the basis
And typical relation formula determines the real-time kernel Energy Efficiency Ratio corresponding to the real-time press frequency f and 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
Multiple intercooler core Energy Efficiency Ratio under degree, corresponding to the real-time press frequency f；
According to multiple intercooler core Energy Efficiency Ratio and the relational expression of the exemplary core Energy Efficiency Ratio and typical outdoor temperature
Determine with 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, the real-time kernel Energy Efficiency Ratio corresponding to the real-time outdoor temperature tw, be used 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, typical press frequency, typical outdoor temperature, exemplary core Energy Efficiency Ratio known to the basis
And typical relation formula determines the real-time kernel Energy Efficiency Ratio corresponding to the real-time press frequency f and 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
Multiple intercooler core Energy Efficiency Ratio under rate, corresponding to the real-time outdoor temperature tw；
According to multiple intercooler core Energy Efficiency Ratio and the relational expression of the exemplary core Energy Efficiency Ratio and typical press frequency
Determine with 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, the real-time kernel Energy Efficiency Ratio corresponding to the real-time press frequency f, be used as the real-time press frequency f and the real-time room
Real-time kernel trapped energy theory c corresponding to outer temperature tw.
It is preferred that, the relational expression of the exemplary core Energy Efficiency Ratio and typical press frequency is linear function relational expression；Typical case
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 real-time interior is determined according to the real-time indoor temperature tn and specified indoor temperature Tn
Temperature Energy Efficiency Ratio modifying factor EERtn, is specifically included：
According to following formula EERtn=a* (tn-Tn), it is determined that indoor temperature Energy Efficiency Ratio modifying factor EERtn in real time；A is
Correction factor not less than 0.
Method as described above, it is described according to it is described in real time in machine rotating speed nn and specified interior machine rotating speed Nn determine machine in real-time
Rotating speed Energy Efficiency Ratio modifying factor EERnn, is specifically included：
According to following formula EERnn=b* (nn-Nn), it is determined that machine rotating speed Energy Efficiency Ratio modifying factor EERnn in real time；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 rotating speed nw in real time and specified outer machine rotating speed Nw
Rotating speed Energy Efficiency Ratio modifying factor EERnw, is specifically included：
According to following formula EERnw=c* (nw-Nw), it is determined that outer machine rotating speed Energy Efficiency Ratio modifying factor EERnw in real time；C is
Correction factor not less than 0.
It is preferred that, methods described also includes：
The real-time refrigeration efficiency is shown than EERs.
The second object of the present invention is to provide a kind of method of on-line checking air conditioner refrigerating amount, realizes and is run in air-conditioning difference
The real-time detection of refrigerating capacity under operating mode.
For achieving the above object, the refrigerating capacity online test method that the present invention is provided is given using following technical proposals
Realize：
A kind of air conditioner refrigerating amount online test method, methods described includes：
During operation of air conditioner, the real-time refrigeration efficiency of air-conditioning is obtained than EERs and real time execution power P；
It is determined that real-time refrigerating capacity W：W=EERs*P；
The real-time refrigeration efficiency than EERs according to above-mentioned on-line checking refrigeration efficiency than method determine.
Method as described above, methods described also includes：The real-time refrigerating capacity W is shown.
Compared with prior art, advantages and positive effects of the present invention are：The air conditioner refrigerating Energy Efficiency Ratio that the present invention is provided 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 cold Energy Efficiency Ratio larger real-time press frequency of influence and real-time outdoor temperature, then based on real-time
Indoor temperature, in real time interior machine rotating speed and in real time outer machine rotating speed are determined influences less Energy Efficiency Ratio modifying factor to refrigeration efficiency ratio
Son, real-time refrigeration efficiency ratio is determined finally according to real-time kernel Energy Efficiency Ratio and multiple Energy Efficiency Ratio modifying factors, can not only be real
Now to refrigeration efficiency under different operating mode during operation of air conditioner than real-time detection, and testing result accuracy is higher, meets reality
Border operating condition, can provide the user directly perceived, real-time refrigerating operaton Energy Efficiency Ratio exactly；Real-time refrigeration efficiency based on detection
Than that can obtain the actual refrigerating capacity during operation of air conditioner, realize the real-time detection of refrigerating capacity, and then provide the user straight
Sight, exactly real-time refrigerating capacity.
After the embodiment that the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Brief description of the drawings
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.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below with reference to drawings and examples,
The present invention is described in further detail.
First, the technical thought to the present invention is briefly described：
The theoretical analysis and experimental verification, refrigeration efficiency when being run on air conditioner refrigerating is than influenceing larger factor to be outdoor
Temperature and press frequency, and indoor temperature, interior machine rotating speed and outer machine rotating speed are smaller than influenceing on refrigeration efficiency.Therefore, it is simplification
Refrigeration efficiency is than on-line checking process and the accuracy of guarantee detection, and present applicant proposes by real-time outdoor temperature and in real time
The refrigeration efficiency that press frequency is influenceed is used for core Energy Efficiency Ratio, is determined by the way of experimental data is calculated；And will be to system
Cold Energy Efficiency Ratio influences the Energy Efficiency Ratio of less factor to be determined by the way of being corrected according to instantaneous value and rated value.Then, then
Determine total real-time refrigeration efficiency ratio under the influence of all factors, realize to refrigeration efficiency than on-line real-time measuremen.
Fig. 1 is referred to, the figure 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 embodiment realizes that the method for on-line checking air conditioner refrigerating Energy Efficiency Ratio comprises the steps：
Step 11：During operation of air conditioner, real-time press frequency f, real-time indoor temperature tn, real-time outdoor temperature are obtained
Tw, in real time interior machine rotating speed nn and in real time outer machine rotating speed nw.
Because compressor, indoor fan and outdoor fan are to be sent to instruct into line frequency and wind by the main controller of air conditioner
Speed control, therefore, real-time press frequency f, in real time in machine rotating speed nn and in real time outer machine rotating speed nw can by air conditioner main controller
Easily get.Real-time indoor temperature and real-time outdoor temperature can be respectively by being disposed in the interior and outdoor temperature detection
Device is detected and obtained.
Step 12：It is determined that the real-time kernel trapped energy theory c corresponding to real-time press frequency f and real-time outdoor temperature tw, really
Fixed real-time indoor temperature Energy Efficiency Ratio modifying factor EERtn, in real time interior machine rotating 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 the 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
It correspond to an exemplary core Energy Efficiency Ratio.Typical press frequency, typical outdoor temperature and corresponding exemplary core Energy Efficiency Ratio one
As dispatched 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 include same typical chamber
At outer temperature, the relational expression of exemplary core Energy Efficiency Ratio and typical press frequency and with 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.
On typical press frequency, typical outdoor temperature, exemplary core efficiency when one of typical relation formula it is specific real
Under for example：
Table 1 show the exemplary core efficiency that typical press frequency, typical outdoor temperature and exemplary core Energy Efficiency Ratio are constituted
Compare form.
The exemplary core Energy Efficiency Ratio table of table 1
In the exemplary core Energy Efficiency Ratio table shown in table 1 above, include three typical outdoor temperature, respectively 30 DEG C,
35 DEG C, 40 DEG C, also include three typical press frequencies, respectively 27hz, 46hz, 64hz.Each typical press frequency and every
An exemplary core Energy Efficiency Ratio is correspond at a temperature of individual typical outdoor respectively, nine exemplary core Energy Efficiency Ratio are had.With 30 DEG C
Exemplified by exemplary core Energy Efficiency Ratio 6.42 corresponding to typical outdoor temperature and 27hz typical press frequency, the typical core of brief description
The acquisition methods of heart Energy Efficiency Ratio：
In certain experimental situation, to control outdoor temperature be 30 DEG C, press running frequency is 27hz, indoor temperature, interior machine
Rotating speed and outer machine rotating speed are rated value (air conditioner to should determine that type, that rated value is to determine, known)；Then, survey
The refrigerating capacity and power of air-conditioning are tried, determines that Energy Efficiency Ratio is 6.42 according to the ratio of refrigerating capacity and power, is as outdoor temperature
30 DEG C, exemplary core Energy Efficiency Ratio of the press frequency corresponding to 27hz.Refrigerating capacity and the device and method of power are tested in laboratory,
Realized using prior art.
Using the above method, other typical outdoor temperature and the typical core corresponding to other typical press frequencies are obtained successively
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, being obtained always 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 with typical press frequency, Dian Xinghe
The quadratic function relation formula of heart Energy Efficiency Ratio and typical outdoor temperature.Specifically, it is to obtain above-mentioned by way of numerical fitting
Linear function relational expression and quadratic function relation formula, specific relational expression is as follows：
At a temperature of typical outdoor, exemplary core Energy Efficiency Ratio Yeer and typical press frequency f linear function relational expression bag
Include：
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, exemplary core Energy Efficiency Ratio Yeer and typical outdoor temperature tw quadratic function relation formula bag
Include：
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 is also written in air conditioner memory and 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 individual, all actual outdoor temperatures and actual press running frequency far can not be covered.Therefore, during air conditioner use,
Data and corresponding relational expression in above-mentioned exemplary core Energy Efficiency Ratio table are gone 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 real-time core can be determined using following two ways
Heart trapped energy theory c：
Method one, real-time kernel Energy Efficiency Ratio is determined according to the quadratic function relation formula of core Energy Efficiency Ratio and outdoor temperature
EERc。
First, multiple typical outdoor temperature are determined according to a relational expression of exemplary core Energy Efficiency Ratio and typical press frequency
Multiple intercooler core Energy Efficiency Ratio under degree, corresponding to real-time press frequency f.
For example, the exemplary core Energy Efficiency Ratio table and relational expression of air conditioner are real as described above, in air conditioner actual motion
When press frequency f=52hz, real-time tw=32 DEG C of outdoor temperature.So,
According to exemplary core Energy Efficiency Ratio Yeer at 30 DEG C and typical press frequency f linear function relational expression Yeer=-
0.052f+7.842, relational expression is substituted into by f=52hz, is calculated 30 DEG C, the intercooler core Energy Efficiency Ratio corresponding to 52hz, is designated as A.
According to exemplary core Energy Efficiency Ratio Yeer at 35 DEG C and typical press frequency f linear function relational expression Yeer=-
0.04f+6.396, relational expression is substituted into by f=52hz, is calculated 35 DEG C, the intercooler core Energy Efficiency Ratio corresponding to 52hz, is designated as B.
According to exemplary core Energy Efficiency Ratio Yeer at 40 DEG C and typical press frequency f linear function relational expression Yeer=-
0.024f+8.971, relational expression is substituted into by f=52hz, is calculated 40 DEG C, the intercooler core Energy Efficiency Ratio corresponding to 52hz, is designated 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 with real-time press frequency f, the relation 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 process that implements of fitting quadratic function relation formula refers to prior art, does not make herein in detail
Description.
Finally, determined according to the relational expression of intercooler core Energy Efficiency Ratio and typical outdoor temperature under real-time press frequency f, in fact
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 the above-mentioned intercooler core Energy Efficiency Ratio determined and typical outdoor temperature
Outdoor temperature in relational expression replaces with 32 DEG C, calculates a core Energy Efficiency Ratio, and the core Energy Efficiency Ratio is the real-time of 52hz
Corresponding real-time kernel trapped energy theory c under press frequency, under 32 DEG C of real-time outdoor temperature.
Method two, real-time kernel Energy Efficiency Ratio is determined according to the linear function relational expression of core Energy Efficiency Ratio and press frequency
EERc。
First, multiple typical press frequencies are determined according to the secondary relational expression of exemplary core Energy Efficiency Ratio and typical outdoor temperature
Multiple intercooler core Energy Efficiency Ratio under rate, corresponding to real-time outdoor temperature tw.
For example, the exemplary core Energy Efficiency Ratio table and relational expression of air conditioner are real as described above, in air conditioner actual motion
When press frequency f=52hz, real-time tw=32 DEG C of outdoor temperature.So,
According to exemplary core Energy Efficiency Ratio Yeer under 27hz and typical outdoor temperature tw quadratic function formula Yeer=-
0.0035tw2+ 0.0007tw+9.5179, relational expression is substituted into by tw=32 DEG C, calculates 27hz, the intercalated nucleus corresponding to 32 DEG C
Heart Energy Efficiency Ratio, is designated as D.
According to exemplary core Energy Efficiency Ratio Yeer under 46hz and typical outdoor temperature tw quadratic function formula Yeer=-
0.0018tw2- 0.0638tw+8.9311, relational expression is substituted into by tw=32 DEG C, calculates 46hz, the intercalated nucleus corresponding to 32 DEG C
Heart Energy Efficiency Ratio, is designated as E.
According to exemplary core Energy Efficiency Ratio Yeer under 64hz and typical outdoor temperature tw quadratic function formula Yeer=-
0.0002tw2- 0.125tw+8.3751, relational expression is substituted into by tw=32 DEG C, calculates 64hz, the intercooler core corresponding to 32 DEG C
Energy Efficiency Ratio, is designated 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 with real-time outdoor temperature tw, the relation 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 process that implements of fitting linear function relational expression refers to prior art, does not make herein in detail
Description.
Finally, determined according to the relational expression of intercooler core Energy Efficiency Ratio and typical press frequency under real-time press frequency f, in fact
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 the above-mentioned intercooler core Energy Efficiency Ratio determined and typical press frequency
Press frequency in relational expression replaces with 52hz, calculates a core Energy Efficiency Ratio, and the core Energy Efficiency Ratio is the real-time of 52hz
Corresponding real-time kernel trapped energy theory c under press frequency, under 32 DEG C of real-time outdoor temperature.
The 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 a small amount of typical press frequency, typical outdoor temperature and exemplary core Energy Efficiency Ratio, this method is especially fitted
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 indoor temperature Energy Efficiency Ratio modifying factor EERtn, in real time interior machine rotating speed Energy Efficiency Ratio amendment
Factor EERnn and real-time outer machine rotating speed Energy Efficiency Ratio modifying factor EERnw.Specifically：
Real-time indoor temperature Energy Efficiency Ratio modifying factor is determined according to real-time indoor temperature tn and specified indoor temperature Tn
EERtn.As the presently preferred embodiments, it is according to formula EERtn=a* (tn-Tn), it is determined that indoor temperature Energy Efficiency Ratio modifying factor in real time
Sub- EERtn；A is the correction factor not less than 0.It is preferred that, a span is [0,20], for example, a=8.
Machine rotating speed Energy Efficiency Ratio modifying factor in real time is determined according to machine rotating speed nn in real-time and specified interior machine rotating speed Nn
EERnn.As the presently preferred embodiments, it is according to formula EERnn=b* (nn-Nn), it is determined that machine rotating speed Energy Efficiency Ratio modifying factor in real time
Sub- EERnn；B is the correction factor not less than 0.It is preferred that, in real time in machine rotating speed when being located at different range, b there is different take
It is worth scope.Specifically, if machine rotating speed nn is more than rotary speed threshold value (for example, being 1400rpm) in real time, b span is
[0,0.04]；If machine rotating speed nn is not more than rotary speed threshold value in real time, b span is [0,0.3].
Outer machine rotating speed Energy Efficiency Ratio modifying factor in real time is determined according to real-time outer machine rotating speed nw and specified outer machine rotating speed Nw
EERnw.As the presently preferred embodiments, it is according to formula EERnw=c* (nw-Nw), it is determined that outer machine rotating speed Energy Efficiency Ratio modifying factor in real time
Sub- EERnw；C is the correction factor not less than 0.It is preferred that, c span is [0,0.06], c=0.02.
Step 13：It is determined that refrigeration efficiency compares EERs in real time.
Specifically, it is to determine that real-time refrigeration efficiency compares EERs 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 institutes
Corresponding specified core Energy Efficiency Ratio, determines that method determines EERc process with reference to step 12；EERsr is the nominal refrigeration energy of air-conditioning
Effect ratio, is determined using prior art；D and e is correction factor.It is preferred that, d span is [0,2], e span
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 on refrigeration efficiency than the real-time kernel corresponding to the larger real-time press frequency of influence and real-time outdoor temperature
Energy Efficiency Ratio, then based on real-time indoor temperature, in real time in machine rotating speed and in real time outer machine rotating speed determine on refrigeration efficiency ratio influence compared with
Small Energy Efficiency Ratio modifying factor, refrigeration energy in real time is determined finally according to real-time kernel Energy Efficiency Ratio and multiple Energy Efficiency Ratio modifying factors
Effect ratio, can not only realize to refrigeration efficiency under different operating mode during operation of air conditioner than real-time detection, and testing result essence
Exactness is higher, meets actual operating mode, can provide the user directly perceived, real-time refrigerating operaton Energy Efficiency Ratio exactly.
In some other preferred embodiment, also the real-time refrigeration efficiency of determination is shown than EERs, for example, passed through
Air-conditioner panel display screen is shown, is easy to timely, intuitively know the real-time refrigeration efficiency ratio in air conditioner running.
Fig. 2 is referred to, the figure 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 embodiment realizes that the method for on-line checking air conditioner refrigerating amount comprises the steps：
Step 21：During operation of air conditioner, real-time press frequency f, real-time indoor temperature tn, real-time outdoor temperature are obtained
Tw, in real time interior machine rotating speed nn and in real time outer machine rotating speed nw.
Step 22：It is determined that the real-time kernel trapped energy theory c corresponding to real-time press frequency f and real-time outdoor temperature tw, really
Fixed real-time indoor temperature Energy Efficiency Ratio modifying factor EERtn, in real time interior machine rotating speed Energy Efficiency Ratio modifying factor EERnn and in real time outer machine turn
Fast Energy Efficiency Ratio modifying factor EERnw.
Step 23：It is determined that refrigeration efficiency compares EERs in real time.
Above-mentioned steps 21 implement description of the process with reference to Fig. 1 embodiments correspondence step to step 23.
Step 24：According to real-time refrigeration efficiency than EERs and real time execution power P determines real-time refrigerating capacity W.
The acquisition of real time execution power P can be realized using prior art, be not specifically addressed herein.Step 23 is determined
After real-time refrigeration efficiency is than EERs, real-time refrigerating capacity determined according to formula W=EERs*P.
Real-time refrigeration efficiency ratio based on detection, can obtain the actual refrigerating capacity during operation of air conditioner, realize refrigeration
The real-time detection of amount, and then provide the user directly perceived, real-time refrigerating capacity exactly.
In some other preferred embodiment, also the real-time refrigerating capacity W of determination is shown, for example, passes through air conditioner
Display panel screen is shown, is easy to timely, intuitively know the real-time refrigerating capacity in air conditioner running.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although with reference to foregoing reality
Apply example the present invention is described in detail, for the person of ordinary skill of the art, can still implement to foregoing
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed or replaced
Change, the essence of appropriate technical solution is departed from the spirit and scope of claimed technical solution of the invention.
Claims (10)
1. a kind of method of on-line checking air conditioner refrigerating Energy Efficiency Ratio, it is characterised in that methods described includes：
During operation of air conditioner, real-time press frequency f, real-time indoor temperature tn, in real time real-time outdoor temperature tw, interior machine turn are obtained
Fast nn and real-time outer machine rotating 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 with typical press frequency, typical case
The relational expression of core Energy Efficiency Ratio and typical outdoor temperature；
Real-time indoor temperature Energy Efficiency Ratio modifying factor is determined according to the real-time indoor temperature tn and specified outdoor temperature Tn
EERtn, according to it is described in real time in machine rotating speed nn and specified interior machine rotating speed Nn determine machine rotating speed Energy Efficiency Ratio modifying factor in real-time
EERnn, outer machine rotating speed Energy Efficiency Ratio modifying factor in real time is determined according to the outer machine rotating speed nw in real time and specified outer machine rotating speed Nw
EERnw；
It is determined that refrigeration efficiency compares EERs in real time：
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
Specified core Energy Efficiency Ratio corresponding to relational expression is determined, specified press frequency fr and specified outdoor temperature twr；EERsr is sky
The nominal refrigeration efficiency ratio adjusted；D and e is correction factor.
2. according to the method described in claim 1, it is characterised in that typical press frequency, typical outdoor known to the basis
When typical relation formula determines that the real-time press frequency f and the real-time outdoor temperature tw institutes are right for temperature, exemplary core efficiency
The real-time kernel trapped energy theory c answered, is specifically included：
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；
Determined according to the relational expression of multiple intercooler core Energy Efficiency Ratio and the exemplary core Energy Efficiency Ratio and typical outdoor temperature
Go out with the real-time press frequency f, the relational expression of intercooler core Energy Efficiency Ratio and typical outdoor temperature；
Determined according to the relational expression of the intercooler core Energy Efficiency Ratio and typical outdoor temperature under the real-time press frequency f, institute
The real-time kernel Energy Efficiency Ratio corresponding to real-time outdoor temperature tw is stated, the real-time press frequency f and the real-time outdoor temp is used as
Spend the real-time kernel trapped energy theory c corresponding to tw.
3. according to the method described in claim 1, it is characterised in that typical press frequency, typical outdoor known to the basis
When typical relation formula determines that the real-time press frequency f and the real-time outdoor temperature tw institutes are right for temperature, exemplary core efficiency
The real-time kernel trapped energy theory c answered, is specifically included：
Determined according to the relational expression of the exemplary core Energy Efficiency Ratio and typical outdoor temperature under multiple typical press frequencies,
Multiple intercooler core Energy Efficiency Ratio corresponding to the real-time outdoor temperature tw；
Determined according to the relational expression of multiple intercooler core Energy Efficiency Ratio and the exemplary core Energy Efficiency Ratio and typical press frequency
Go out with the real-time outdoor temperature tw, the relational expression of intercooler core Energy Efficiency Ratio and typical press frequency；
Determined according to the relational expression of the intercooler core Energy Efficiency Ratio and typical press frequency under the real-time outdoor temperature tw, institute
The real-time kernel Energy Efficiency Ratio corresponding to real-time press frequency f is stated, the real-time press frequency f and the real-time outdoor temperature is used as
Real-time kernel trapped energy theory c corresponding to tw.
4. according to the method described in claim 1, it is characterised in that the pass of the exemplary core Energy Efficiency Ratio and typical press frequency
It is that formula is 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 any one of claim 1 to 4, it is characterised in that described according to the real-time indoor temperature
Tn and specified indoor temperature Tn determine real-time indoor temperature Energy Efficiency Ratio modifying factor EERtn, specifically include：
According to following formula EERtn=a*（tn-Tn）, it is determined that indoor temperature Energy Efficiency Ratio modifying factor EERtn in real time；A be not less than
0 correction factor.
6. method according to any one of claim 1 to 4, it is characterised in that it is described according to it is described in real time in machine rotating speed
Nn and specified interior machine rotating speed Nn determine machine rotating speed Energy Efficiency Ratio modifying factor EERnn in real time, specifically include：
According to following formula EERnn=b*（nn-Nn）, it is determined that machine rotating speed Energy Efficiency Ratio modifying factor EERnn in real time；B be not less than
0 correction factor.
7. method according to any one of claim 1 to 4, it is characterised in that described according to the outer machine rotating speed in real time
Nw and specified outer machine rotating speed Nw determine outer machine rotating speed Energy Efficiency Ratio modifying factor EERnw in real time, specifically include：
According to following formula EERnw=c*（nw-Nw）, it is determined that outer machine rotating speed Energy Efficiency Ratio modifying factor EERnw in real time；C be not less than
0 correction factor.
8. according to the method described in claim 1, it is characterised in that methods described also includes：
The real-time refrigeration efficiency is shown than EERs.
9. a kind of method of on-line checking air conditioner refrigerating amount, it is characterised in that methods described includes：
During operation of air conditioner, the real-time refrigeration efficiency of air-conditioning is obtained than EERs and real time execution power P；
It is determined that real-time refrigerating capacity W：W=EERs*P；
The real-time refrigeration efficiency on-line checking air conditioner refrigerating efficiency more according to any one of claim 1 to 7 than EERs
The method of ratio is determined.
10. method according to claim 9, it is characterised in that methods described also includes：
The real-time refrigerating capacity W is shown.
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| 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) | 2019-10-01 |
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