CN109442680A - Power estimating method, device and the computer readable storage medium of outdoor fan of air conditioner - Google Patents
Power estimating method, device and the computer readable storage medium of outdoor fan of air conditioner Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000006870 function Effects 0.000 claims description 59
- 238000010606 normalization Methods 0.000 claims description 17
- 238000004378 air conditioning Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 7
- 238000012706 support-vector machine Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 238000013528 artificial neural network Methods 0.000 claims description 5
- 238000013450 outlier detection Methods 0.000 claims description 5
- 238000000513 principal component analysis Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 238000012549 training Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000010977 unit operation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012628 principal component regression Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/50—Load
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/60—Energy consumption
Abstract
The present invention discloses the power estimating method, device and computer readable storage medium of a kind of outdoor fan of air conditioner, this method comprises: obtaining the history data of outdoor unit and the operation power of air-conditioner outdoor unit, history data includes at least the d-c bus voltage value of outdoor fan；It using history data as input variable, and is modeled according to operation power of the input variable to air-conditioner outdoor unit, estimates pattern function to establish power associated with input variable；In air conditioner operation, obtain the real-time voltage value of outdoor fan of air conditioner, the real time temperature of outdoor heat exchanger and outdoor real-time humidity, and pattern function is estimated according to the real-time voltage value of the outdoor fan got, the real time temperature of outdoor heat exchanger, outdoor real time temperature and power, calculate the power of outdoor fan.The present invention estimates that pattern function obtains outdoor fan power without increasing hardware cost, by power.
Description
Technical field
The present invention relates to air conditioner technical field, in particular to a kind of power estimating method of outdoor fan of air conditioner, dress
It sets and computer readable storage medium.
Background technique
Intelligent power and power consumption management are an important function, the premise of intelligent power and power consumption management in intelligent air condition
It is that operation power and electricity to household electrical appliances detects.Currently, the electric power detection of air-conditioning is using meter module, meter module
It is at high cost, can just use, can not be promoted the use of on common air-conditioning device on only high-end air-conditioning products so that intelligent power and
Power consumption management is unable to get comprehensive application.
With the awakening of energy conservation and environmental awareness, consumer becomes especially the power consumption or operation power of household electrical appliance
Concern.The electric current of the power of air-conditioning needs to increase current sample link, this certainly will will increase hardware on current electric-controlled plate
Circuit, this will lead to the increase of circuit design difficulty.
Summary of the invention
The main object of the present invention is to propose that the power estimating method, device and computer of a kind of outdoor fan of air conditioner can
Read storage medium, it is intended to realize and estimate that pattern function obtains outdoor fan power by power.
To achieve the above object, the present invention proposes a kind of power estimating method of outdoor fan of air conditioner, the air conditioner
The power estimating method of outdoor fan the following steps are included:
Obtain the history data of air-conditioner outdoor unit and the operation power of air-conditioner outdoor unit, the history run
Data include the d-c bus voltage value of outdoor fan, outdoor heat exchanger temperature, outdoor temperature and the outside humidity of air conditioner；
Using the history data as input variable, and according to the input variable to the air-conditioner outdoor unit
Operation power is modeled, and estimates pattern function to establish power associated with the input variable；
In air conditioner operation, the real-time voltage value of outdoor fan of air conditioner is obtained, and according to the outdoor got
The real-time voltage value and power of blower estimate pattern function, calculate the power of outdoor fan.
Optionally, the history data further includes that the outdoor heat exchanger temperature, outdoor temperature and outdoor of air conditioner are wet
One of degree or multiple combinations.
Optionally, in the history data for obtaining air-conditioner outdoor unit and the operation power of air-conditioner outdoor unit
The step of after further include:
Outlier detection is carried out to the operation power of the history data and the air-conditioner outdoor unit got；
Data normalization is carried out to the operation power of the history data and the air-conditioner outdoor unit after detection
Processing.
Optionally, described to obtain the real-time voltage value of outdoor fan of air conditioner in air conditioner operation, and according to getting
The outdoor fan real-time voltage value and power estimate pattern function, calculate the power of outdoor fan and export step
Include: before rapid
The real-time voltage value for the outdoor fan of air conditioner that will acquire is compared with pre-set interval, and in the sky
When adjusting the real-time voltage value of device outdoor fan not in pre-set interval, the real-time voltage value of the outdoor fan of air conditioner is adjusted
For pre-set interval end value.
Optionally, described to obtain the real-time voltage value of outdoor fan of air conditioner in air conditioner operation, and according to getting
The outdoor fan real-time voltage value and power estimate pattern function, calculate the power of outdoor fan and export step
Suddenly it specifically includes:
To the real-time voltage value of the outdoor fan of air conditioner got, the real time temperature of the outdoor heat exchanger, institute
State outdoor real time temperature and after the outdoor real-time humidity is normalized；
Using the real-time voltage value of the outdoor fan of air conditioner after normalized as input variable, and according to power
Estimate pattern function, calculates the power of outdoor fan.
Optionally, become described using the real-time voltage value of the outdoor fan of air conditioner after normalized as input
Amount, and after the step of estimating pattern function according to power, calculate the power of outdoor fan further include:
After estimating that pattern function, the power for the outdoor fan estimated carry out anti-normalization processing according to power
Obtain the performance number of outdoor fan.
Optionally, power estimation pattern function is the fitting of a polynomial based on least square method, principle component analysis
(Principal Component Analysis, PCA), Partial Least Squares (Partial Least Squares, PLS), branch
The power that any one method in vector machine (Support Vector Machine, SVM) and neural network obtains is held to estimate
Count pattern function.
The present invention also proposes a kind of power estimation apparatus of outdoor fan of air conditioner, the power of the outdoor fan of air conditioner
Evaluation method includes processor, memory and is stored in the air conditioner chamber that can be run on the memory and on the processor
The power budget program of outer blower, wherein real when the power budget program of the outdoor fan of air conditioner is executed by the processor
Now the step of power estimating method method of outdoor fan of air conditioner as described above.
The present invention also proposes a kind of computer readable storage medium, is stored with air-conditioning on the computer readable storage medium
The power budget program of device outdoor fan is realized such as when the power budget program of the outdoor fan of air conditioner is executed by processor
The step of power estimating method of the upper outdoor fan of air conditioner.
The power estimating method of the air condition of that present invention outdoor fan obtains the straight of the outdoor fan of air-conditioner outdoor unit first
The operation power of the history datas such as bus voltage value and air-conditioner outdoor unit is flowed, then using upper history data as defeated
Enter variable, and modeled according to operation power of the input variable to the air-conditioner outdoor unit, with establish with it is described defeated
Enter the associated power estimation pattern function of variable；To obtain the real-time voltage of outdoor fan of air conditioner when air conditioner is run
Value, and pattern function is estimated according to the real-time voltage value of the outdoor fan got and power, calculate outdoor fan
Power.The power estimating method of the air condition of that present invention outdoor fan is female according to the direct current of outdoor fan without increasing hardware cost
Influence of the line voltage value to power is established using above-mentioned parameter as input variable, and power associated with the input variable is estimated
Pattern function is counted, the power of outdoor fan can be estimated, can effectively calculate the energy consumption of outdoor fan.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the flow diagram of one embodiment of power estimating method of the air condition of that present invention outdoor fan；
Fig. 2 is the flow diagram of another embodiment of power estimating method of the air condition of that present invention outdoor fan；
Fig. 3 is the flow diagram of the another embodiment of power estimating method of the air condition of that present invention outdoor fan；
Fig. 4 is the flow diagram of the power estimating method another embodiment of the air condition of that present invention outdoor fan；
Fig. 5 is the power estimation apparatus hardware running environment for the outdoor fan of air conditioner that the embodiment of the present invention is related to
Terminal structure schematic diagram；
Fig. 6 is outdoor fan working environment schematic diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of power estimating method of outdoor fan of air conditioner.
Referring to Fig.1, in an embodiment of the present invention, the power estimating method of the outdoor fan of air conditioner includes following step
It is rapid:
Step S100, the history data of air-conditioner outdoor unit and the operation power of air-conditioner outdoor unit, institute are obtained
State the d-c bus voltage value that history data includes at least outdoor fan；
It is understood that the relationship between the operation power and the voltage and driving current of blower of blower, Ke Yitong
Overpower calculation formula P=U*I, which is calculated, to be obtained, wherein the voltage of blower can be obtained by obtaining the DC bus-bar voltage of blower
, however the driving current of blower is not easy to obtain during fan operation.When blower operates, need to overcome air drag
The power of acting namely blower will receive the influence of air drag, thus be reflected on power of fan, and air drag and air
The correlations such as density, rotation speed of fan, contact area, therefore when obtaining historical data, heat exchange temperature T3, outdoor can also be obtained
One or more of temperature T4 and outside humidity value H combination, such as available heat exchange temperature T3, outdoor temperature T4 and
One of outside humidity value H three perhaps obtains heat exchange temperature T3, outdoor temperature T4 or obtains heat exchange temperature T3
With outside humidity value H, perhaps obtains outdoor temperature T4 and outside humidity value H or obtain heat exchange temperature T3, outdoor temp simultaneously
Spend T4 and outside humidity value H.Specifically, if Fig. 6, Fig. 6 are outdoor fan working environment schematic diagram, wherein virtual coil indicates room
Outer machine heat exchanger generated temperature field in system operation, wave then indicate ambient humidity locating for blower, temperature
The change of field and ambient humidity will have a direct impact on the atmospheric density of blower local environment, and temperature field and ambient humidity can be used respectively
Heat exchange temperature T3, outdoor temperature T4 and outside humidity value H quantify.Above-mentioned heat exchange temperature T3, outdoor temperature T4 and outdoor
Humidity value H and d-c bus voltage value V can be obtained by experimental method, or by acquisition air-conditioner outdoor unit each
Historical data under a operating condition, such as by being arranged close in changing under the operating modes of air conditioner such as refrigeration mode, heating mode
Temperature sensor at hot device, such as at heat exchanger coils, the temperature sensor being set on casing of outdoor and humidity pass
Sensor obtains heat exchange temperature T3, outdoor temperature T4 and outside humidity value H, d-c bus voltage value V can be by being set to room
The DC bus-bar voltage of rectifier bridge or the output of pfc circuit output end in outer machine obtains.Performance number can pass through power analysis
Instrument or other power obtain equipment to obtain under each identical operating condition, and test obtains corresponding historical perspective data.
In practical applications, specifically can in cooling mode, when the AC power source of the input of outdoor unit blower is 220V,
The d-c bus voltage value of the pfc circuit output end output got and the temperature of outdoor heat exchanger coil pipe input nozzle, with
And outdoor temp angle value and outside humidity value.Then, the operating mode for switching air-conditioning is heating mode, and in the defeated of outdoor unit blower
When the AC power source entered is 220V, the numerical value of parameters is tested.Or acquisition is in the AC power source of the input of outdoor unit blower
The numerical value of each parameter when transformation, while the numerical value of each parameter can also be obtained according to time interval, herein with no restrictions.
Step S200, using the history data as input variable, and according to the input variable to the air-conditioning
The operation power of device outdoor unit is modeled, and estimates pattern function to establish power associated with the input variable；
In the present embodiment, power estimates that pattern function is the fitting of a polynomial based on least square method, principle component analysis
(Principal Component Analysis, PCA), Partial Least Squares (Partial Least Squares, PLS), branch
Any one data-driven method held in vector machine (Support Vector Machine, SVM) and neural network obtains
Power estimate pattern function.It is understood that according to the difference of each different data-driven method, to function variable
Selection can also be different, such as can establish d-c bus voltage value-heat exchange temperature V-T3, d-c bus voltage value-outdoor
Temperature V-T4, d-c bus voltage value-outside humidity value V-H or d-c bus voltage value-heat exchange temperature-V-T3-T4, directly
Flow bus voltage value-heat exchange temperature-outside humidity value V-T3-H, d-c bus voltage value -- outside humidity value V- outdoor temperature
The variable relations formula such as T4-H or d-c bus voltage value-heat exchange temperature-outdoor temperature-outside humidity value V-T3-T4-H.
Pattern function is estimated in the data-driven method using the fitting of a polynomial based on least square method come fitting power
When can specifically obtain according to the following formula:
In formula, dependent variable y is performance number；x1, x2... x3Selected function variable temperature is independent variable selected by function, such as x1
It can be d-c bus voltage value, x2For heat exchange temperature, x3For outside humidity value；a1, a2…an；b1, b2…bnFor constant coefficient.
Using the data for being based on principle component analysis (Principal Component Analysis, PCA) regression modeling
Driving method specifically obtain according to the following formula when fitting power estimation pattern function:
Independent variable X described in function0Correlation matrix between=(x1, x2 ..., xp) is denoted as R, x1It can be DC bus electricity
Pressure value, x2For heat exchange temperature, x3For outside humidity value.In the step 1 with principal component regression method, can bypass completely because becoming
Y is measured, individually considers to extract independent variable set principal component, process are as follows:
Step 1), ask 1 >=λ of preceding m nonzero eigenvalue λ 2 of R >=... m > 0 >=λ, and corresponding feature vector u1,
U2 ... um；
Step 2) seeks m principal component: Fh=X0Uh, h=1,2 ... m
To sum up: y=AFh+B；
In formula, y is target variable；A, B is constant coefficient vector.Fh can be according to the threshold value of default settings.
Using the data-driven side for being based on Partial Least Squares (Partial Least Squares, PLS) regression modeling
Method specifically obtain according to the following formula when fitting power estimation pattern function:
In one embodiment, in above-mentioned formula, x1It can be d-c bus voltage value, x2It can be heat exchange temperature, x3It can be room
Outer humidity value；β1, β2…βnFor constant coefficient,For residual vector, A is order.
It is understood that the present embodiment can also use neural network or support vector machines (Support Vector
Machine, SVM) etc. function modellings driving method, and with d-c bus voltage value, heat exchange temperature, outdoor temperature, outdoor
Humidity value any combination is modeled as operation power of the input variable to air-conditioner outdoor unit, is become with establishing with the input
Measure associated power estimation pattern function.After establishing power budget pattern function, corresponding algorithm can be passed through upper
Output is estimated into the controller of outdoor unit with the power to outdoor unit blower.
Step S300, when air conditioner is run, the real-time voltage value of outdoor fan of air conditioner is obtained, and according to getting
The real-time voltage value and power of the outdoor fan estimate pattern function, calculate the power of outdoor fan.
In the present embodiment, in operation of air conditioner in refrigeration mode, perhaps under the operating conditions such as heating mode or dehumidification mode
When, the d-c bus voltage value namely real-time voltage value, heat exchange temperature, outdoor temperature, outside humidity of air conditioner are obtained in real time
Value, and above-mentioned real-time voltage value, heat exchange temperature, outdoor temperature, the outside humidity value that will acquire are substituting to power estimation mould
In type function, to estimate the power of outdoor fan.
The power estimating method of the air condition of that present invention outdoor fan obtains the straight of the outdoor fan of air-conditioner outdoor unit first
Flow the history datas such as bus voltage value, the outdoor heat exchanger temperature of air conditioner and outside humidity and air-conditioner outdoor unit
Power is run, then using upper history data as input variable, and according to the input variable to the air-conditioner outdoor unit
Operation power modeled, to establish associated with input variable power estimation pattern function；To be transported in air conditioner
When row, the real-time voltage value of outdoor fan of air conditioner, the real time temperature of outdoor heat exchanger, outdoor real time temperature are obtained, and according to
The real-time voltage value of the outdoor fan got, the real time temperature of the outdoor heat exchanger, the outdoor real time temperature, with
And power estimates pattern function, calculates the power of outdoor fan.The power estimating method of the air condition of that present invention outdoor fan is not necessarily to
Increase hardware cost, according to the d-c bus voltage value of outdoor fan, outdoor heat exchanger temperature, outdoor temperature and the room of air conditioner
Influence of the outer humidity to power is established using above-mentioned parameter as input variable, and power associated with the input variable is estimated
Pattern function can estimate the power of outdoor fan, can effectively calculate the energy consumption of outdoor fan.
It is understood that on the casing of air conditioner indoor unit, be usually provided with display screen, for example, LED display or
LCD display, the power of calculated outdoor fan and the energy consumption of outdoor compressor can also pass through the display screen of indoor unit
It is shown, allows the user to the energy consumption for knowing air-conditioner outdoor unit.
Referring to Fig. 2, in an alternative embodiment, in the history data and air-conditioning for obtaining air-conditioner outdoor unit
After the step of operation power of device outdoor unit further include:
Step S400, to the operation power of the history data and the air-conditioner outdoor unit that get carry out from
Group's point detection；
It is understood that when obtaining historical data, in d-c bus voltage value, heat exchange temperature, outdoor temperature, or
In person's outside humidity value, numerical value is got in one of measurand and random error or deviation occurs, such as what is got change
Individual number occurs abnormal in hot device temperature value, without having representativeness.Model letter is estimated in order to avoid outlier influences power
Several fitting precisions, the present embodiment to the operation power of the history data and the air-conditioner outdoor unit that get into
Row outlier detection carries out statistical check, can be judged whether by statistical law containing outlier, and in detecting numerical value
When having outlier, which is rejected.
Step S500, the operation power of the history data and the air-conditioner outdoor unit after detection is counted
According to normalized.
Outlier detection and rejecting are carried out in the operation power to the history data and air-conditioner outdoor unit got
Afterwards, the operation power of above-mentioned history data and the air-conditioner outdoor unit can be mapped to [- 1,1] section, i.e., it is minimum
Value is -1, maximum value 1, to eliminate the dimensional effect of variable, each variable is made to have same expressive force, improves model
Energy.Wherein, formula used by data normalization is handled are as follows: y=(ymax-ymin) * (x-xmin)/(xmax-xmin)+
Ymin, wherein y is d-c bus voltage value, one or more of heat exchange temperature, outdoor temperature or outside humidity value
Data after the normalization such as combination, and operation power, ymax are that maximum value i.e. 1, the ymin after desired normalization is expectation
Normalization after minimum value be -1；X is d-c bus voltage value, heat exchange temperature, outdoor temperature, outside humidity value and operation
The initial data of power etc., xmax are the maximum value in training sample, and xmin is the minimum value in training sample.
It is described in air conditioner operation in an alternative embodiment referring to Fig. 2, obtain the real-time of outdoor fan of air conditioner
Voltage value, and pattern function is estimated according to the real-time voltage value of the outdoor fan got and power, outdoor is stated in estimation
The step of power of blower, specifically includes:
The real-time voltage value for the outdoor fan of air conditioner that will acquire is compared with pre-set interval, and in the sky
When adjusting the real-time voltage value of device outdoor fan not in pre-set interval, the real-time voltage value of the outdoor fan of air conditioner is adjusted
For pre-set interval end value.
It should be noted that in the above-mentioned parameter obtained in real time, such as real-time voltage value, and in some embodiments
In, it also obtains in the real time temperature and outdoor real time temperature of outdoor heat exchanger, unavoidably will appear random, unreasonable or pole
The data at end, these data can generate unacceptable error when may be calculated in substituting into model.It is above-mentioned in order to solve
Problem, in the present embodiment, when getting above-mentioned real-time parameter, and according to real-time voltage value, the real time temperature of outdoor heat exchanger
And outdoor real time temperature and power estimate pattern function, before the power for calculating outdoor fan, can first logarithm range into
Row judgement, process are as follows:
If inputs such as the real time temperature of real-time voltage value, outdoor heat exchanger, outdoor real time temperature and outdoor real-time humidities
Exceed the minimum value in training sample space in variable, namely more than the minimum value of pre-set interval, then most by training sample space
Small value calculates；
If inputs such as the real time temperature of real-time voltage value, outdoor heat exchanger, outdoor real time temperature and outdoor real-time humidities
The maximum value for exceeding training sample space in variable, then press the maximum value calculation in training sample space.
That is, the real-time voltage value for the outdoor fan of air conditioner that will acquire is compared with predeterminated voltage section,
And when the real-time voltage value of the outdoor fan of air conditioner is less than the minimum value in the predeterminated voltage section, by the reality
When voltage value be adjusted to the minimum value；
It, will or when the real-time voltage value of the outdoor fan of air conditioner is greater than the minimum value in the predeterminated voltage section
The real-time voltage value is adjusted to the maximum value；
The real time temperature for the outdoor heat exchanger that will acquire is compared with preset temperature section, and in the outdoor
When the real time temperature of heat exchanger is less than the minimum value in the preset temperature section, the real time temperature is adjusted to the minimum
Value；
Or when the real time temperature of the outdoor heat exchanger is greater than the minimum value in the preset temperature section, by the room
The real time temperature of external heat exchanger is adjusted to the maximum value；
The outdoor real time temperature that will acquire is compared with preset temperature section, and in the outdoor real time temperature
Less than the preset temperature section minimum value when, the real time temperature is adjusted to the minimum value；
Or when the outdoor real time temperature is greater than the minimum value in the preset temperature section, by the outdoor temperature in real time
Degree is adjusted to the maximum value.
The outdoor real-time humidity that will acquire is compared with default humidity section, and in the outdoor real-time humidity
Less than the default humidity section minimum value when, the real-time humidity is adjusted to the minimum value；
Or when the outdoor real-time humidity is greater than the minimum value in the default humidity section, by the outdoor real-time wet
Degree is adjusted to the maximum value.The present embodiment by acquisition institute selected input variable data progress numberical range judgement,
Be conducive to firm power appraising model stablizes output.
It is described in air conditioner operation in an alternative embodiment referring to Fig. 3, obtain the real-time of outdoor fan of air conditioner
Voltage value, the real time temperature of outdoor heat exchanger, outdoor real time temperature, and according to the real-time voltage of the outdoor fan got
Value, the real time temperature of the outdoor heat exchanger, the outdoor real time temperature and power estimate pattern function, and outdoor is stated in estimation
The step of power of blower, specifically includes:
Step S310, to the real-time voltage value of the outdoor fan of air conditioner got, the reality of the outdoor heat exchanger
After Shi Wendu, the outdoor real time temperature and the outdoor real-time humidity are normalized；
Step S320, by the real-time voltage value of the outdoor fan of air conditioner after normalized, the outdoor heat exchange
The real time temperature of device, the outdoor real time temperature and the outdoor real-time humidity estimate mould as input variable, and according to power
Type function calculates the power of outdoor fan.
In the present embodiment, can by the real-time voltage value of the outdoor fan obtained in real time, the outdoor heat exchanger it is real-time
The numberical range of temperature, the outdoor real time temperature and the outdoor real-time humidity etc. is incident upon [- 1,1] section after being judged,
I.e. minimum value is -1, maximum value 1, to eliminate the dimensional effect of variable, each variable is made to have same expressive force, improves mould
Type performance.Wherein, formula used by data normalization is handled are as follows: y=(ymax-ymin) * (x-xmin)/(xmax-xmin)+
Ymin, wherein y be the real-time voltage value of outdoor fan, the real time temperature of the outdoor heat exchanger, the outdoor real time temperature and
Data after the normalization such as the outdoor real-time humidity, ymax are that maximum value i.e. 1, the ymin after desired normalization is desired
Minimum value after normalization is -1；X is the real-time voltage value of outdoor fan, the real time temperature of the outdoor heat exchanger, the room
The initial data of outer real time temperature and the outdoor real-time humidity etc., xmax is the maximum value in training sample, and xmin is training
Minimum value in sample.
Referring to Fig. 4, in an alternative embodiment, in the reality by the outdoor fan of air conditioner after normalized
When voltage value, the real time temperature of the outdoor heat exchanger and the outdoor real-time humidity estimate as input variable, and according to power
After the step of counting pattern function, calculating the power of outdoor fan further include:
Step S600, pattern function will be estimated according to power, the power for the outdoor fan estimated is counter to be returned
The performance number of outdoor fan is obtained after one change processing.
In the present embodiment, by the reality of the real-time voltage value of the outdoor fan after normalized, the outdoor heat exchanger
Shi Wendu, the outdoor real time temperature and the outdoor real-time humidity estimate that pattern function calculates according to power and obtain outdoor wind
After the power of machine, the power of the outdoor fan is carried out anti-normalization processing specifically can basis to be reduced to corresponding performance number
Renormalization formula, which calculates, to be obtained: x=(y-ymin) (xmax-xmin)/(ymax-ymin)+xmin；Wherein, x is performance number,
It is minimum value after desired normalization is -1 that ymax, which is maximum value i.e. 1, the ymin after desired normalization,.
The present invention also proposes a kind of power estimation apparatus of outdoor fan of air conditioner, the power of the outdoor fan of air conditioner
Evaluation method includes processor, memory and is stored in the air conditioner chamber that can be run on the memory and on the processor
The power budget program of outer blower, wherein real when the power budget program of the outdoor fan of air conditioner is executed by the processor
Now the step of power estimating method method of outdoor fan of air conditioner as described above.
Referring to Fig. 5, Fig. 5 is the power estimation apparatus hardware fortune for the outdoor fan of air conditioner that the embodiment of the present invention is related to
The terminal structure schematic diagram of row environment.
The terminal of the embodiment of the present invention can be PC, be also possible to smart phone, tablet computer, E-book reader, MP4
(Moving Picture Experts Group Audio Layer IV, dynamic image expert's compression standard audio level 3) is broadcast
Put the packaged type terminal device having a display function such as device, portable computer.As described in Figure 1, which may include processing
Device 1001 (such as CPU), communication bus 1002, user interface 1003, network interface 1004, memory 1005.Wherein, communication is total
Line 1002 is for realizing the connection communication between these components；User interface 1003 may include display screen (Display), input
Unit such as keyboard (Keyboard)；Network interface 1004 optionally may include standard wireline interface and wireless interface (such as
WI-FI interface)；Memory 1005 can be high speed RAM memory, be also possible to stable memory (non-volatile
Memory), such as magnetic disk storage, memory 1005 optionally can also be the storage dress independently of aforementioned processor 1001
It sets.
It will be understood by those skilled in the art that the power estimation apparatus hardware of outdoor fan of air conditioner shown in Fig. 1 is transported
The terminal structure of row environment does not constitute the restriction of the power estimation apparatus to the air condition of that present invention outdoor fan, may include ratio
More or fewer components are illustrated, certain components or different component layouts are perhaps combined.
The present invention also proposes a kind of computer readable storage medium, is stored with air-conditioning on the computer readable storage medium
The power budget program of device outdoor fan is realized such as when the power budget program of the outdoor fan of air conditioner is executed by processor
The step of power estimating method of the upper outdoor fan of air conditioner.
With continued reference to Fig. 5, the memory 1005 in Fig. 5 as a kind of computer storage medium may include operating system,
The power estimating method program of network communication module, Subscriber Interface Module SIM and outdoor fan of air conditioner.
In terminal shown in Fig. 5, network interface 1004 is mainly used for connecting Cloud Server, carries out data with Cloud Server
Communication；Network interface 1004 is also used to connect for providing anti-string goods platform, and the anti-string goods platform includes each for providing
The general utility functions module of service function.User interface 1003 can connect client (user terminal), and it is logical to carry out data with client
Letter；And processor 1001 can be used for calling the power estimating method journey of the outdoor fan of air conditioner stored in memory 1005
Sequence, and execute following operation:
Obtain the history data of air-conditioner outdoor unit and the operation power of air-conditioner outdoor unit, the history run
Data include the d-c bus voltage value of outdoor fan, outdoor heat exchanger temperature, outdoor temperature and the outside humidity of air conditioner；
Using the history data as input variable, and according to the input variable to the air-conditioner outdoor unit
Operation power is modeled, and estimates pattern function to establish power associated with the input variable；
In air conditioner operation, the real-time voltage value of outdoor fan of air conditioner, the real time temperature of outdoor heat exchanger, room are obtained
Outer real time temperature, and according to the real-time voltage value of the outdoor fan got, the real time temperature of the outdoor heat exchanger, institute
Outdoor real time temperature and power estimation pattern function are stated, the power of outdoor fan is calculated.
Further, it is described by power analysis instrument obtain air-conditioner outdoor unit operation power the step of after also
Include:
Outlier detection is carried out to the operation power of the history data and the air-conditioner outdoor unit got；
Data normalization is carried out to the operation power of the history data and the air-conditioner outdoor unit after detection
Processing.
Further, described in air conditioner operation, the real-time voltage value of outdoor fan of air conditioner is obtained, and according to acquisition
The step of real-time voltage value and power of the outdoor fan arrived estimate pattern function, and the power of outdoor fan is stated in estimation
Include:
The real-time voltage value for the outdoor fan of air conditioner that will acquire is compared with pre-set interval, and described
When the real-time voltage value of outdoor fan of air conditioner is not in pre-set interval, by the real-time voltage value tune of the outdoor fan of air conditioner
Whole is pre-set interval end value.
Further, described in air conditioner operation, obtain the real-time voltage value of outdoor fan of air conditioner, outdoor heat exchanger
Real time temperature, outdoor real time temperature, and according to the real-time voltage value of the outdoor fan got, the outdoor heat exchanger
Real time temperature, the outdoor real time temperature and power estimate pattern function, estimation the step of stating the power of outdoor fan packet
It includes:
To the real-time voltage value of the outdoor fan of air conditioner got, the real time temperature of the outdoor heat exchanger, institute
State outdoor real time temperature and after the outdoor real-time humidity is normalized；
By the real-time voltage value of the outdoor fan of air conditioner after normalized, the real-time temperature of the outdoor heat exchanger
Degree, the outdoor real time temperature and the outdoor real-time humidity estimate pattern function as input variable, and according to power, calculate
The power of outdoor fan.
Further, described by the real-time voltage value of the outdoor fan of air conditioner after normalized, the room
The real time temperature of external heat exchanger, the outdoor real time temperature and the outdoor real-time humidity are as input variable, and according to power
After the step of estimating pattern function, calculating the power of outdoor fan further include:
After estimating that pattern function, the power for the outdoor fan estimated carry out anti-normalization processing according to power
Obtain the performance number of outdoor fan.
Further, power estimation pattern function is the fitting of a polynomial based on least square method, principle component analysis
(Principal Component Analysis, PCA), Partial Least Squares (Partial Least Squares, PLS), branch
The power that any one method in vector machine (Support Vector Machine, SVM) and neural network obtains is held to estimate
Count pattern function.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (9)
1. a kind of power estimating method of outdoor fan of air conditioner, which is characterized in that the power of the outdoor fan of air conditioner is estimated
Calculation method the following steps are included:
Obtain the history data of air-conditioner outdoor unit and the operation power of air-conditioner outdoor unit；The history data
Including at least the d-c bus voltage value of outdoor fan；
Using the history data as input variable, and the operation according to the input variable to the air-conditioner outdoor unit
Power is modeled, and estimates pattern function to establish power associated with the input variable；
In air conditioner operation, the real-time voltage value of outdoor fan of air conditioner is obtained, and according to the outdoor fan got
Real-time voltage value and power estimate pattern function, calculate the power of outdoor fan and output.
2. the power estimating method of outdoor fan of air conditioner as described in claim 1, which is characterized in that the history run number
According to one of outdoor heat exchanger temperature, outdoor temperature and outside humidity for further including air conditioner or multiple combinations.
3. the power estimating method of outdoor fan of air conditioner as described in claim 1, which is characterized in that in the acquisition air-conditioning
After the step of operation power of the history data of device outdoor unit and air-conditioner outdoor unit further include:
Outlier detection is carried out to the operation power of the history data and the air-conditioner outdoor unit got；
Data normalization processing is carried out to the operation power of the history data and the air-conditioner outdoor unit after detection.
4. the power estimating method of outdoor fan of air conditioner as described in claim 1, which is characterized in that described to be transported in air conditioner
When row, the real-time voltage value of outdoor fan of air conditioner is obtained, and according to the real-time voltage value of the outdoor fan got, with
And power estimates pattern function, includes: before the step of calculating the power of outdoor fan and output
The real-time voltage value for the outdoor fan of air conditioner that will acquire is compared with pre-set interval, and in the air conditioner
When the real-time voltage value of outdoor fan is not in pre-set interval, the real-time voltage value of the outdoor fan of air conditioner is adjusted to pre-
If section end value.
5. the power estimating method of outdoor fan of air conditioner as described in claim 1, which is characterized in that described to be transported in air conditioner
When row, the real-time voltage value of outdoor fan of air conditioner is obtained, and according to the real-time voltage value of the outdoor fan got, with
And power estimates pattern function, the step of calculating the power of outdoor fan and output, specifically includes:
To the real-time voltage value of the outdoor fan of air conditioner got, the real time temperature of the outdoor heat exchanger, the room
After outer real time temperature and the outdoor real-time humidity are normalized；
By the real-time voltage value of the outdoor fan of air conditioner after normalized, the outdoor heat exchanger real time temperature,
The outdoor real time temperature and the outdoor real-time humidity are as input variable, and according to power estimation pattern function, counting chamber
The power of outer blower.
6. the power estimating method of outdoor fan of air conditioner as claimed in claim 5, which is characterized in that will be normalized described
The real-time voltage value for the outdoor fan of air conditioner that treated estimates pattern function, meter as input variable, and according to power
After the step of calculating the power of outdoor fan further include:
It will be estimated to obtain after pattern function, the power for the outdoor fan estimated carry out anti-normalization processing according to power
The performance number of outdoor fan.
7. the power estimating method of outdoor fan of air conditioner as described in claim 1, which is characterized in that power estimates model letter
Counting is the fitting of a polynomial based on least square method, principle component analysis (PrincipalComponent Analysis, PCA), partially
Least square method (Partial Least Squares, PLS), support vector machines (Support Vector Machine, SVM),
And the power estimation pattern function that any one method in neural network obtains.
8. a kind of power estimation apparatus of outdoor fan of air conditioner, which is characterized in that the power of the outdoor fan of air conditioner is estimated
Calculation method includes processor, memory and is stored on the memory and outside the air conditioner chamber that can be run on the processor
The power budget program of blower, wherein the power budget program of the outdoor fan of air conditioner is realized when being executed by the processor
The step of power estimating method method of outdoor fan of air conditioner as claimed in any of claims 1 to 7 in one of claims.
9. a kind of computer readable storage medium, which is characterized in that be stored with air conditioner on the computer readable storage medium
The power budget program of outdoor fan is realized when the power budget program of the outdoor fan of air conditioner is executed by processor as weighed
Benefit require any one of 1 to 7 described in outdoor fan of air conditioner power estimating method the step of.
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| CN201811214506.7A CN109442680A (en) | 2018-10-17 | 2018-10-17 | Power estimating method, device and the computer readable storage medium of outdoor fan of air conditioner |
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