CN104949413B - Method and device for acquiring initial opening degree of electronic expansion valve - Google Patents
Method and device for acquiring initial opening degree of electronic expansion valve Download PDFInfo
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- CN104949413B CN104949413B CN201510398297.6A CN201510398297A CN104949413B CN 104949413 B CN104949413 B CN 104949413B CN 201510398297 A CN201510398297 A CN 201510398297A CN 104949413 B CN104949413 B CN 104949413B
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 238000004378 air conditioning Methods 0.000 claims abstract description 182
- 238000002474 experimental method Methods 0.000 claims description 53
- 238000012360 testing method Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
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- 238000004364 calculation method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
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- 238000012417 linear regression Methods 0.000 description 4
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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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
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Abstract
The invention discloses a method and a device for acquiring an initial opening degree of an electronic expansion valve. Wherein, the method comprises the following steps: receiving a starting instruction for starting an air conditioning system; under the condition of acquiring a starting instruction, detecting indoor environment temperature data, outdoor environment temperature data and target operation frequency data of the air-conditioning system; and calculating the initial opening degree of the electronic expansion valve of the air conditioning system corresponding to the indoor environment temperature data, the outdoor environment temperature data and the target operation frequency data of the air conditioning system based on the predetermined functional relation. By adopting the invention, the obtained initial opening degree of the electronic expansion valve has higher precision, the technical problem of low precision of the obtained initial opening degree of the electronic expansion valve in the prior art is solved, and the effect of accurately obtaining the initial opening degree of the electronic expansion valve is realized.
Description
Technical field
The present invention relates to data processing field, in particular to a kind of method for obtaining electric expansion valve initial opening
And device.
Background technology
Electric expansion valve initial opening refers to just to be started shooting the moment in air-conditioning system, the size of electric expansion valve preset value.
In control method for electronic expansion valve, electric expansion valve initial opening plays vital effect to the stability of a system, if electronics
The selection of expansion valve initial opening is improper, then air-conditioning system can be caused more long into steady operational status needs cost from starting to
Time, and air-conditioning system can operate in the state for comparing power consumption in this process, if the selection of electric expansion valve initial opening is closed
Suitable, then air-conditioning system can quickly enter steady operational status, and air-conditioning system can be run in the state of an efficiency is higher.
Existing electric expansion valve initial opening control is relatively simple, mainly obtains electronic expansion by way of experience is estimated
Valve initial opening, the precision of the electric expansion valve initial opening for getting is relatively low, is controlled using the electric expansion valve initial opening
During air-conditioning system, the operation of air-conditioning system not energy-conservation.
For the low technical problem of the electric expansion valve initial opening precision for getting in the prior art, not yet propose at present
Effective solution.
The content of the invention
A kind of method and apparatus for obtaining electric expansion valve initial opening are the embodiment of the invention provides, it is existing at least to solve
There is the low technical problem of the electric expansion valve initial opening precision got in technology.
A kind of one side according to embodiments of the present invention, there is provided method of acquisition electric expansion valve initial opening, bag
Include：Receive the start-up command for starting air-conditioning system；In the case where start-up command is got, the interior of air-conditioning system is detected
The target operating frequency data of ambient temperature data, outdoor environment temperature data and air-conditioning system；Based on predetermined letter
Number relation calculates the target operating frequency data correspondence of indoor environment temperature data, outdoor environment temperature data and air-conditioning system
Air-conditioning system electric expansion valve initial opening.
Further, indoor environment temperature data, outdoor environment temperature data are calculated based on predetermined functional relation
And the electric expansion valve initial opening of the corresponding air-conditioning system of target operating frequency data of air-conditioning system includes：Obtain advance
The linear relationship of determination, wherein, functional relation includes linear relationship；Indoor environment temperature data, room are calculated based on linear relationship
The electric expansion valve of the corresponding air-conditioning system of the target operating frequency data of external environment temperature data and air-conditioning system is initially opened
Degree.
Further, obtaining predetermined linear relationship includes：Obtain predetermined electric expansion valve initial opening
Computation model；At least four groups air conditioning experiment system parameters determined based on orthogonal experiment method are obtained, wherein, every group of air-conditioning experiment
Systematic parameter includes：Outdoor environment temperature parameter, indoor environment temperature parameter, the target operating frequency parameter of air conditioning experiment system
And the electronic expansion valve opening parameter of air conditioning experiment system；At least four groups air conditioning experiment system parameters are entered based on computation model
Row fitting is returned, determine the outdoor environment temperature coefficient of computation model, indoor environment temperature coefficient, target operating frequency coefficient with
And regression parameter, and obtain linear relationship.
Further, indoor environment temperature data, outdoor environment temperature data and air-conditioning system are calculated based on linear relationship
The electric expansion valve initial opening of the corresponding air-conditioning system of target operating frequency data of system includes：Calculate empty based on equation below
The electric expansion valve initial opening P of adjusting system, wherein, formula is used to describe linear relationship, and formula is：P=a × TOutward+b×TIt is interior+c
× F+d, wherein, TOutwardRepresent outdoor environment temperature, TIt is interiorIndoor environment temperature is represented, F represents target operating frequency, and a represents outdoor
Environment temperature coefficient, b represents indoor environment temperature coefficient, and c represents target operating frequency coefficient, and d represents regression parameter.
Further, indoor environment temperature data, outdoor environment temperature number are being calculated based on predetermined functional relation
According to this and air-conditioning system the corresponding air-conditioning system of target operating frequency data electric expansion valve initial opening after, method is also
Including：The electric expansion valve of air-conditioning system is opened according to the electric expansion valve initial opening for getting, and is opened according to start-up command
Dynamic air-conditioning system；Air-conditioning system is controlled to be run based on electric expansion valve initial opening in preset time period.
Another aspect according to embodiments of the present invention, additionally provides a kind of device for obtaining electric expansion valve initial opening,
Including：First acquisition module, for receiving the start-up command for starting air-conditioning system；Detection module, for getting out
In the case that machine is instructed, indoor environment temperature data, outdoor environment temperature data and the air-conditioning system of air-conditioning system are detected
Target operating frequency data；First computing module, for based on predetermined functional relation calculate indoor environment temperature data,
The electric expansion valve of the corresponding air-conditioning system of the target operating frequency data of outdoor environment temperature data and air-conditioning system is initial
Aperture.
Further, the first computing module includes：Second acquisition module, for obtaining predetermined linear relationship, its
In, functional relation includes linear relationship；Second computing module, for calculating indoor environment temperature data, room based on linear relationship
The electric expansion valve of the corresponding air-conditioning system of the target operating frequency data of external environment temperature data and air-conditioning system is initially opened
Degree.
Further, the second acquisition module includes：3rd acquisition module, at the beginning of for obtaining predetermined electric expansion valve
The computation model of beginning aperture；4th acquisition module, system is tested for obtaining at least four groups air-conditionings determined based on orthogonal experiment method
System parameter, wherein, every group of air conditioning experiment system parameter includes：Outdoor environment temperature parameter, indoor environment temperature parameter, air-conditioning reality
The target operating frequency parameter of check system and the electronic expansion valve opening parameter of air conditioning experiment system；3rd computing module, uses
In recurrence is fitted at least four groups air conditioning experiment system parameters based on computation model, the outdoor environment temperature of computation model is determined
Degree coefficient, indoor environment temperature coefficient, target operating frequency coefficient and regression parameter, and obtain linear relationship.
Further, the second computing module includes：4th computing module, for based on equation below calculations of air conditioner system
Electric expansion valve initial opening P, wherein, formula is used to describe linear relationship, and formula is：P=a × TOutward+b×TIt is interior+ c × F+d, its
In, TOutwardRepresent outdoor environment temperature, TIt is interiorIndoor environment temperature is represented, F represents target operating frequency, and a represents outdoor environment temperature
Coefficient, b represents indoor environment temperature coefficient, and c represents target operating frequency coefficient, and d represents regression parameter.
Further, the device also includes：Starting module, for based on predetermined functional relation counting chamber inner ring
The electronics of the corresponding air-conditioning system of target operating frequency data of border temperature data, outdoor environment temperature data and air-conditioning system
After expansion valve initial opening, the electric expansion valve of air-conditioning system is opened according to the electric expansion valve initial opening for getting, and
Start air-conditioning system according to start-up command；Control module, for controlling air-conditioning system to be based on electronic expansion in preset time period
Valve initial opening runs.
Using the present invention, when start-up command is received, indoor environment temperature data, the indoor environment of air-conditioning system are detected
The target operating frequency data of temperature data and air-conditioning system, and the air-conditioning system for detecting is calculated using default functional relation
The target operating frequency data of the indoor environment temperature data, indoor environment temperature data and air-conditioning system of system are that can obtain sky
The electric expansion valve initial opening of adjusting system, electric expansion valve initial opening, the electric expansion valve for obtaining are calculated using the method
The precision of initial opening is higher, solves the low technology of the electric expansion valve initial opening precision for getting in the prior art and asks
Topic, realizes the accurate effect for obtaining electric expansion valve initial opening.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the method for acquisition electric expansion valve initial opening according to embodiments of the present invention；
Fig. 2 is a kind of flow of method for alternatively obtaining electric expansion valve initial opening according to embodiments of the present invention
Figure；
Fig. 3 is the flow of another method for alternatively obtaining electric expansion valve initial opening according to embodiments of the present invention
Figure；And
Fig. 4 is the schematic diagram of the device of acquisition electric expansion valve initial opening according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
First, the part noun or term for occurring during being described to the embodiment of the present invention are applied to following solution
Release：
Expansion valve：It is an important component in refrigeration system, is generally mounted between liquid storage cylinder and evaporator.Expansion valve
The liquid refrigerant of middle temperature high pressure is throttled by it turns into the moist steam of low-temp low-pressure, and then refrigerant absorbs in evaporator
Heat reaches refrigeration, and expansion valve is changed come control valve flow by the degree of superheat of evaporator end, prevents evaporation
The underutilization of device area and engine knock phenomenon.
Linear regression：Be using the regression analysis in mathematical statistics to determine two or more variable between mutually according to
A kind of statistical analysis technique of bad quantitative relationship, with quite varied.Analysis is according to the relation between independent variable and dependent variable
Type, can be divided into linear regression analysis and nonlinear regression analysis.
According to embodiments of the present invention, there is provided it is a kind of obtain electric expansion valve initial opening method embodiment, it is necessary to
Illustrate, can be in the such as one group computer system of computer executable instructions the step of the flow of accompanying drawing is illustrated
Perform, and, although logical order is shown in flow charts, but in some cases, can be with suitable different from herein
Sequence performs shown or described step.
Fig. 1 is the flow chart of the method for acquisition electric expansion valve initial opening according to embodiments of the present invention, such as Fig. 1 institutes
Show, the method comprises the following steps：
Step S102, receives the start-up command for starting air-conditioning system.
Step S104, in the case where start-up command is got, detects indoor environment temperature data, the outdoor of air-conditioning system
The target operating frequency data of ambient temperature data and air-conditioning system.
Step S106, indoor environment temperature data, outdoor environment temperature data are calculated based on predetermined functional relation
And the electric expansion valve initial opening of the corresponding air-conditioning system of target operating frequency data of air-conditioning system.
It should be noted that the target operating frequency of air-conditioning system refers to the working frequency of the compressor of air-conditioning system, it is empty
The target operating frequency data of adjusting system can be the operating frequency data of the compressor of the air-conditioning system for detecting.
By the above embodiment of the present invention, when start-up command is received, the indoor environment temperature of air-conditioning system is detected
The target operating frequency data of data, indoor environment temperature data and air-conditioning system, and calculated using default functional relation
The target operating frequency of the indoor environment temperature data, indoor environment temperature data and air-conditioning system of the air-conditioning system for detecting
Data are the electric expansion valve initial opening that can obtain air-conditioning system, and electric expansion valve initial opening is calculated using the method, are obtained
The precision of the electric expansion valve initial opening for arriving is higher, solves the electric expansion valve initial opening essence for getting in the prior art
The low technical problem of degree, realizes the accurate effect for obtaining electric expansion valve initial opening.
In the above-described embodiments, functional relation includes linear relationship, based on predetermined functional relation counting chamber inner ring
The electronics of the corresponding air-conditioning system of target operating frequency data of border temperature data, outdoor environment temperature data and air-conditioning system
Expansion valve initial opening can be realized by step as shown in Figure 2：
Step S202, obtains predetermined linear relationship.
Step S204, indoor environment temperature data, outdoor environment temperature data and air-conditioning system are calculated based on linear relationship
The electric expansion valve initial opening of the corresponding air-conditioning system of target operating frequency data of system.
Optionally, linear relationship can be an expression formula for described function relation, such as formula, the differential equation, biography
Delivery function etc..
Specifically, the linear relationship for having predefined can be obtained (such as on the linear list of electric expansion valve initial opening
Up to formula), it is then based on the linear relationship and calculates indoor environment temperature data, outdoor environment temperature data and the air-conditioning for detecting
The target operating frequency data of system are that can obtain electric expansion valve initial opening.
By above-described embodiment, electric expansion valve initial opening can be calculated by linear relationship, the electronics for obtaining
The precision of expansion valve initial opening is higher, and the precision for solving the electric expansion valve initial opening for getting in the prior art is relatively low
Problem.
Alternatively, be may include steps of as shown in figure 3, obtaining predetermined linear relationship：
Step S302, obtains the computation model of predetermined electric expansion valve initial opening.
Step S304, obtains at least four groups air conditioning experiment system parameters determined based on orthogonal experiment method.
At least four groups air conditioning experiment system parameters are fitted recurrence by step S306 based on computation model, it is determined that calculating
The outdoor environment temperature coefficient of model, indoor environment temperature coefficient, target operating frequency coefficient and regression parameter, and obtain line
Sexual intercourse.
Wherein, every group of air conditioning experiment system parameter includes：Outdoor environment temperature parameter, indoor environment temperature parameter, air-conditioning
The target operating frequency parameter of experimental system and the electronic expansion valve opening parameter of air conditioning experiment system.
Alternatively, in the above-described embodiments, indoor environment temperature data, outdoor environment temperature number are calculated based on linear relationship
According to this and the electric expansion valve initial opening of the corresponding air-conditioning system of target operating frequency data of air-conditioning system can include：Base
In the electric expansion valve initial opening P of equation below calculations of air conditioner system, wherein, formula is used to describe linear relationship, the formula
For：
P=a × TOutward+b×TIt is interior+ c × F+d,
Wherein, TOutwardRepresent outdoor environment temperature, TIt is interiorIndoor environment temperature is represented, F represents target operating frequency, and a represents room
External environment temperature coefficient, b represents indoor environment temperature coefficient, and c represents target operating frequency coefficient, and d represents regression parameter.
Specifically, in air-conditioning system running, electric expansion valve initial opening and indoor environment temperature, outdoor environment
Temperature, system operation frequency have much relations (such as linear relationship), therefore, it can set up electric expansion valve according to the linear relationship
The computation model of initial opening, the computation model of foundation can be expressed with following linear representation：
P=A × TOutward+B×TIt is interior+ C × F+D,
Wherein, TOutwardRepresent outdoor environment temperature, TIt is interiorIndoor environment temperature is represented, F represents target operating frequency, and A represents room
External environment temperature coefficient, B represents indoor environment temperature coefficient, and C represents target operating frequency coefficient, and D represents regression parameter, A, B,
C and D are unknown parameters.
It should be further stated that, above-mentioned linear representation is the one of the computation model of electric expansion valve initial opening
Kind of expression way, the application does not limit to and this, and the computation model of electric expansion valve initial opening can also use algebraic equation, micro-
Divide the description of the models such as equation, differential equation group and transmission function.
With reference to orthogonal experiment method in detail the method for obtaining linear relationship of the invention is described in detail：
With reference to the practical operation situation of air-conditioning system, different outdoor environment temperature parameter (such as three outdoor environments are chosen
Temperature parameter, respectively TOuter height、TIn outer、TIt is outer low), indoor environment temperature parameter (such as three indoor environment temperature parameters, respectively
TInterior height、TIn interior、TIt is interior low) and air conditioning experiment system target operating frequency parameter (such as three target operating frequency parameters, respectively
FIt is high、FIn、FIt is low) system matches combination is carried out, air-conditioning system is started in the environment of above-mentioned parameter is met and electric expansion valve is adjusted
Aperture makes system be in optimal operational condition, record experimental result (i.e. electronic expansion valve opening parameter P nowX, " X " is certainly
So count), and by experimental result typing table 1, specific orthogonal experiment scheme and the experimental result for obtaining are as shown in table 1.
Table 1：
Further, after experimental result is obtained, the data in table 1 are carried out with multiple regression treatment and can obtain linear pass
System, the linear relationship for obtaining can be represented with following linear representation (i.e. formula)：
P=a × TOutward+b×TIt is interior+c×F+d；
Wherein, TOutwardRepresent outdoor environment temperature, TIt is interiorIndoor environment temperature is represented, F represents target operating frequency, and a represents room
External environment temperature coefficient, b represents indoor environment temperature coefficient, and c represents target operating frequency coefficient, and d represents regression parameter, a, b,
C and d are known parameters.
Will be described below and of the invention be based on 9 groups of air conditioning experiment system parameter determination outdoor environment temperature coefficient a, indoor ring
Border temperature coefficient b, target operating frequency coefficient c and regression parameter d.
Because in single factor test or two factorial experiments, factor quantity is few, and the number of times of experiment is less, therefore, the design of experiment,
Implement and analyze all fairly simple.But in real work, it is often necessary to while the experimental factor of 3 or more than 3 is investigated, if
Comprehensive test is carried out, then the number of times tested is more, but often such experiment can be limited to experiment condition and be difficult to carry out.And just
Friendship test design method is exactly the assembled scheme of reasonable arrangement multiple empirical factors high to seek one kind of optimal assembled scheme
Efficiency test method for designing, can be selected a small amount of with generation using orthogonal experiment design method from substantial amounts of assembled scheme
The assembled scheme of table, so as to reduce test number (TN), so that experiment is carried out, and can guarantee that the accuracy of experimental result.
3 empirical factors of the application are such as combined, can be to that should have 27 kinds of assembled schemes, if being carried out to 27 groups of air conditioning experiment system parameters
Treatment, then can increase process time, reduce the efficiency for the treatment of, therefore, it can choose tool as shown in table 1 according to orthogonal experiment
Representational 9 groups of air conditioning experiment system parameters, so as to reduce test number (TN), but still can obtain and comprehensive experimental design
Almost identical result.
If TOuter height=45 degree, TIn outer=30 degree, TIt is outer low=0 degree, TInterior height=30 degree, TIn interior=20 degree, TIt is interior low=10 degree, FIt is high=90 hertz
Hereby, FIn=50 hertz, FIt is low=20 hertz, 9 groups of air conditioning experiment system parameters that combination above-mentioned parameter is obtained, as shown in table 2.
Table 2：
Air-conditioning system is tested based on the air conditioning experiment system parameter shown in table 2, in experimentation, adjusts electronics
Expansion valve opening, with the change of electronic expansion valve opening, the efficiency of system can first be raised and reduce (similar to parabola) afterwards,
Corresponding electronic expansion valve opening is the electronic expansion valve opening parameter P in experimental result during efficiency highestX.Such as in experiment sequence number
When being tested under 1 corresponding air conditioning experiment system parameter, the efficiency highest of corresponding system when electronic expansion valve opening is " 80 ", that
" 80 " are then the corresponding electronic expansion valve opening parameter P of this group of air conditioning experiment system parameter1(i.e. experimental result).Obtaining
After 9 groups of experimental results of air conditioning experiment system parameter, it is possible to use EXCEL or MATLAB carries out many to the data in table 2
First recurrence treatment, such that it is able to obtain formula below：
P=-1.67 × TOutward-12×TIt is interior+ 0.04 × F+509.4,
Now, a=-1.67, b=-12, c=0.04 and d=509.4.
After above-mentioned formula is obtained, it is possible to use the electric expansion valve initial opening of above-mentioned formula calculations of air conditioner system,
To control the startup of air-conditioning system.
Specifically, when air-conditioning system starts, indoor environment temperature data, the outdoor environment temperature number of air-conditioning system are detected
According to this and air-conditioning system target operating frequency data, and electric expansion valve using above-mentioned formula calculations of air conditioner system initially opens
Degree, be then based on the electric expansion valve initial opening control air-conditioning system startup, make air-conditioning system operate in more stablize, more
The state of supernumerary segment energy.
By above-described embodiment, using electric expansion valve initial opening and outdoor environment temperature, indoor environment temperature, system
The linear relationship of target operating frequency sets up computation model, is then just tested with the method for orthogonal test, and by polynary
The science data processing method of linear regression carries out linear fit to experimental result, you can obtain electric expansion valve initial opening
Linear representation.The electric expansion valve initial opening of air-conditioning system can be accurately obtained by the linear representation, such that it is able to
The accurate control to air-conditioning system is realized, the precision of the electric expansion valve initial opening for obtaining in the prior art is this method solve
Low problem, the startup of the electric expansion valve initial opening control air-conditioning system got using the present processes can make be
System operation is more stablized and energy-conservation.
Alternatively, indoor environment temperature data, outdoor environment temperature data are being calculated based on predetermined functional relation
And after the electric expansion valve initial opening of the corresponding air-conditioning system of target operating frequency data of air-conditioning system, method may be used also
To include：The electric expansion valve of air-conditioning system is opened according to the electric expansion valve initial opening for getting, and according to start-up command
Start air-conditioning system；Air-conditioning system is controlled to be run based on electric expansion valve initial opening in preset time period.
Specifically, after the expression formula (i.e. above-mentioned formula) for obtaining above-mentioned linear relationship, you can using formula control
Air-conditioning system, when air-conditioning system starts, air-conditioning system detection indoor environment temperature data, outdoor environment temperature data and sky
The target operating frequency data of adjusting system, the electric expansion valve for then calculating corresponding air-conditioning system according to the formula is initially opened
Degree, for example, work as TOutward=38 degree, TIt is interior=21 degree, F=60 hertz when, calculate corresponding electric expansion valve initial opening P=
196.34, the electric expansion valve of air-conditioning system is then opened according to the electric expansion valve initial opening, and according to start-up command
Start air-conditioning system, in the preset time period for starting air-conditioning system (such as 30 seconds), air-conditioning system can be with stabilization and the shape of energy-conservation
State is run.
By above-described embodiment, obtain electric expansion valve initial opening and controlled based on the electric expansion valve initial opening empty
The operation of adjusting system, can run air-conditioning system and more stablize and energy-conservation.
It should be noted that for foregoing each method embodiment, in order to be briefly described, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention not by described by sequence of movement limited because
According to the present invention, some steps can sequentially or simultaneously be carried out using other.Secondly, those skilled in the art should also know
Know, embodiment described in this description belongs to preferred embodiment, involved action and module is not necessarily of the invention
It is necessary.
Fig. 4 is the schematic diagram of the device of acquisition electric expansion valve initial opening according to embodiments of the present invention.The device bag
Include：First acquisition module 10, the computing module 50 of detection module 30 and first.
Wherein, the first acquisition module 10, for receiving the start-up command for starting air-conditioning system；Detection module 30, uses
In in the case where start-up command is got, detect the indoor environment temperature data of air-conditioning system, outdoor environment temperature data with
And the target operating frequency data of air-conditioning system；First computing module 50, for based on predetermined functional relation counting chamber
The corresponding air-conditioning system of target operating frequency data of interior ambient temperature data, outdoor environment temperature data and air-conditioning system
Electric expansion valve initial opening.
It should be noted that above-mentioned first acquisition module, detection module and the first computing module correspond to above-mentioned implementation
Step S102 to step S106 in example, three modules are identical with example and application scenarios that the step of correspondence is realized, but not
It is limited to above-described embodiment disclosure of that.It should be noted that above-mentioned module may operate in meter as a part for device
In calculation machine terminal, can be realized by software, it is also possible to realized by hardware.
By the above embodiment of the present invention, when the first acquisition module receives start-up command, detection module detection is empty
The target operating frequency data of the indoor environment temperature data, indoor environment temperature data and air-conditioning system of adjusting system, then
First computing module calculates indoor environment temperature data, the indoor environment of the air-conditioning system for detecting using default functional relation
The target operating frequency data of temperature data and air-conditioning system are the electric expansion valve initial opening that can obtain air-conditioning system, are adopted
Electric expansion valve initial opening is calculated with the device, the precision of the electric expansion valve initial opening for obtaining is higher, solves existing
The low technical problem of the electric expansion valve initial opening precision that is got in technology, realizes that accurate to obtain electric expansion valve initial
The effect of aperture.
In the above-described embodiments, functional relation includes linear relationship, and the first computing module can include：Second obtains mould
Block, for obtaining predetermined linear relationship；Second computing module, for calculating indoor environment temperature number based on linear relationship
According at the beginning of, the electric expansion valve of the corresponding air-conditioning system of the target operating frequency data of outdoor environment temperature data and air-conditioning system
Beginning aperture.
Specifically, the linear relationship for having predefined can be obtained (such as on the linear list of electric expansion valve initial opening
Up to formula), it is then based on the linear relationship and calculates indoor environment temperature data, outdoor environment temperature data and the air-conditioning for detecting
The target operating frequency data of system are that can obtain electric expansion valve initial opening.
It should be noted that above-mentioned second acquisition module and the second computing module correspond to the step in above-described embodiment
S202 to step S204, two modules are identical with example and application scenarios that the step of correspondence is realized, but are not limited to above-mentioned reality
Apply a disclosure of that.It should be noted that during above-mentioned module may operate in terminal as a part for device,
Can be realized by software, it is also possible to realized by hardware.
By above-described embodiment, electric expansion valve initial opening can be calculated by linear relationship, the electronics for obtaining
The precision of expansion valve initial opening is higher, and the precision for solving the electric expansion valve initial opening for getting in the prior art is relatively low
Problem.
Alternatively, the second acquisition module can include：3rd acquisition module, for obtaining predetermined electric expansion valve
The computation model of initial opening；4th acquisition module, for obtaining at least four groups air-conditionings experiment determined based on orthogonal experiment method
Systematic parameter, wherein, every group of air conditioning experiment system parameter includes：Outdoor environment temperature parameter, indoor environment temperature parameter, air-conditioning
The target operating frequency parameter of experimental system and the electronic expansion valve opening parameter of air conditioning experiment system；3rd computing module,
For being fitted recurrence at least four groups air conditioning experiment system parameters based on computation model, the outdoor environment of computation model is determined
Temperature coefficient, indoor environment temperature coefficient, target operating frequency coefficient and regression parameter, and obtain linear relationship.
It should be noted that above-mentioned 3rd acquisition module, the 4th acquisition module and the 3rd computing module are corresponding to above-mentioned
Step S302 to step S306 in embodiment, three modules are identical with example and application scenarios that the step of correspondence is realized,
But it is not limited to above-described embodiment disclosure of that.It should be noted that above-mentioned module can be run as a part of of device
In terminal, can be realized by software, it is also possible to realized by hardware.
In the above-described embodiments, the second computing module can include：4th computing module, for being calculated based on equation below
The electric expansion valve initial opening P of air-conditioning system, wherein, formula is used to describe linear relationship, and the formula is：
P=a × TOutward+b×TIt is interior+ c × F+d,
Wherein, TOutwardRepresent outdoor environment temperature, TIt is interiorIndoor environment temperature is represented, F represents target operating frequency, and a represents room
External environment temperature coefficient, b represents indoor environment temperature coefficient, and c represents target operating frequency coefficient, and d represents regression parameter.
By above-described embodiment, using electric expansion valve initial opening and outdoor environment temperature, indoor environment temperature, system
The linear relationship of target operating frequency sets up computation model, is then just tested with the method for orthogonal test, and by polynary
The science data processing method of linear regression carries out linear fit to experimental result, you can obtain electric expansion valve initial opening
Linear representation.The electric expansion valve initial opening of air-conditioning system can be accurately obtained by the linear representation, such that it is able to
The accurate control to air-conditioning system is realized, the precision of the electric expansion valve initial opening for obtaining in the prior art is this method solve
Low problem, the startup of the electric expansion valve initial opening control air-conditioning system got using the present processes can make be
System operation is more stablized and energy-conservation.
Alternatively, the device for obtaining electric expansion valve initial opening can also include：Starting module, for based on advance
The functional relation of determination calculates the target operating frequency of indoor environment temperature data, outdoor environment temperature data and air-conditioning system
After the electric expansion valve initial opening of the corresponding air-conditioning system of data, opened according to the electric expansion valve initial opening for getting
The electric expansion valve of air-conditioning system, and start air-conditioning system according to start-up command；Control module, in preset time period internal control
Air-conditioning system processed is run based on electric expansion valve initial opening.
By above-described embodiment, obtain electric expansion valve initial opening and controlled based on the electric expansion valve initial opening empty
The operation of adjusting system, can run air-conditioning system and more stablize and energy-conservation.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
Modules provided in the present embodiment are identical with the application method that the corresponding step of embodiment of the method is provided, should
Can also be identical with scene.It is noted, of course, that the scheme that above-mentioned module is related to can be not limited in above-described embodiment
Content and scene, and above-mentioned module may operate in terminal or mobile terminal, can be realized by software or hardware.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. it is a kind of obtain electric expansion valve initial opening method, it is characterised in that including：
Receive the start-up command for starting air-conditioning system；
In the case where the start-up command is got, indoor environment temperature data, the outdoor environment of the air-conditioning system are detected
The target operating frequency data of temperature data and air-conditioning system；
The indoor environment temperature data, the outdoor environment temperature data and institute are calculated based on predetermined functional relation
State the electric expansion valve initial opening of the corresponding air-conditioning system of target operating frequency data of air-conditioning system；
Wherein, the functional relation includes linear relationship, and the linear relationship is to carry out at least one set in fact according to orthogonal experiment method
Test, and be fitted what recurrence was obtained to experimental result, wherein, initially opened comprising the electric expansion valve in the experimental result
Degree makes the air-conditioning system be in the situation of optimal operational condition.
2. method according to claim 1, it is characterised in that the indoor ring is calculated based on predetermined functional relation
The corresponding sky of target operating frequency data of border temperature data, the outdoor environment temperature data and the air-conditioning system
The electric expansion valve initial opening of adjusting system includes：
Obtain predetermined linear relationship；
The indoor environment temperature data, the outdoor environment temperature data and the air-conditioning are calculated based on the linear relationship
The electric expansion valve initial opening of the corresponding air-conditioning system of target operating frequency data of system.
3. method according to claim 2, it is characterised in that obtaining predetermined linear relationship includes：
Obtain the computation model of predetermined electric expansion valve initial opening；
At least four groups air conditioning experiment system parameters determined based on orthogonal experiment method are obtained, wherein, air-conditioning experiment system described in every group
System parameter includes：Outdoor environment temperature parameter, indoor environment temperature parameter, the target operating frequency ginseng of the air conditioning experiment system
The electronic expansion valve opening parameter of the several and air conditioning experiment system；
Recurrence is fitted at least four groups air conditioning experiment system parameters based on the computation model, the calculating mould is determined
The outdoor environment temperature coefficient of type, indoor environment temperature coefficient, target operating frequency coefficient and regression parameter, and obtain described
Linear relationship.
4. method according to claim 3, it is characterised in that the indoor environment temperature is calculated based on the linear relationship
The corresponding air-conditioning system of target operating frequency data of data, the outdoor environment temperature data and the air-conditioning system
Electric expansion valve initial opening include：
The electric expansion valve initial opening P of the air-conditioning system is calculated based on equation below, wherein, the formula is used to retouch
The linear relationship is stated, the formula is：
P=a × TOutward+b×TIt is interior+ c × F+d,
Wherein, TOutwardRepresent the outdoor environment temperature, TIt is interiorThe indoor environment temperature is represented, F represents the target operating frequency,
A represents the outdoor environment temperature coefficient, and b represents the indoor environment temperature coefficient, and c represents the target operating frequency system
Number, d represents the regression parameter.
5. method as claimed in any of claims 1 to 4, it is characterised in that closed based on predetermined function
System calculates the target operating frequency of the indoor environment temperature data, the outdoor environment temperature data and the air-conditioning system
After the electric expansion valve initial opening of the corresponding air-conditioning system of data, methods described also includes：
The electric expansion valve of the air-conditioning system is opened according to the electric expansion valve initial opening for getting, and according to described
Start-up command starts the air-conditioning system；
The air-conditioning system is controlled to be run based on the electric expansion valve initial opening in preset time period.
6. it is a kind of obtain electric expansion valve initial opening device, it is characterised in that including：
First acquisition module, for receiving the start-up command for starting air-conditioning system；
Detection module, in the case where the start-up command is got, detecting the indoor environment temperature of the air-conditioning system
The target operating frequency data of data, outdoor environment temperature data and air-conditioning system；
First computing module, for calculating the indoor environment temperature data, the outdoor based on predetermined functional relation
The electric expansion valve of the corresponding air-conditioning system of target operating frequency data of ambient temperature data and the air-conditioning system
Initial opening；
Wherein, the functional relation includes linear relationship, and the linear relationship is to carry out at least one set in fact according to orthogonal experiment method
Test, and be fitted what recurrence was obtained to experimental result, wherein, initially opened comprising the electric expansion valve in the experimental result
Degree makes the air-conditioning system be in the situation of optimal operational condition.
7. device according to claim 6, it is characterised in that first computing module includes：
Second acquisition module, for obtaining predetermined linear relationship；
Second computing module, for calculating the indoor environment temperature data, the outdoor environment temperature based on the linear relationship
The electric expansion valve of the corresponding air-conditioning system of target operating frequency data of degrees of data and the air-conditioning system is initially opened
Degree.
8. device according to claim 7, it is characterised in that second acquisition module includes：
3rd acquisition module, the computation model for obtaining predetermined electric expansion valve initial opening；
4th acquisition module, for obtaining at least four groups air conditioning experiment system parameters determined based on orthogonal experiment method, wherein, often
The group air conditioning experiment system parameter includes：Outdoor environment temperature parameter, indoor environment temperature parameter, the air conditioning experiment system
Target operating frequency parameter and the air conditioning experiment system electronic expansion valve opening parameter；
3rd computing module, for being fitted back at least four groups air conditioning experiment system parameters based on the computation model
Return, determine the outdoor environment temperature coefficient of the computation model, indoor environment temperature coefficient, target operating frequency coefficient and return
Return parameter, and obtain the linear relationship.
9. device according to claim 8, it is characterised in that second computing module includes：
4th computing module, the electric expansion valve initial opening P for calculating the air-conditioning system based on equation below, its
In, the formula is used to describe the linear relationship, and the formula is：
P=a × TOutward+b×TIt is interior+ c × F+d,
Wherein, TOutwardRepresent the outdoor environment temperature, TIt is interiorThe indoor environment temperature is represented, F represents the target operating frequency,
A represents the outdoor environment temperature coefficient, and b represents the indoor environment temperature coefficient, and c represents the target operating frequency system
Number, d represents the regression parameter.
10. the device according to any one in claim 6 to 9, it is characterised in that described device also includes：
Starting module, for calculating the indoor environment temperature data, the outdoor ring based on predetermined functional relation
At the beginning of the electric expansion valve of the corresponding air-conditioning system of target operating frequency data of border temperature data and the air-conditioning system
After beginning aperture, the electric expansion valve of the air-conditioning system is opened according to the electric expansion valve initial opening for getting, and
Start the air-conditioning system according to the start-up command；
Control module, for controlling the air-conditioning system to be transported based on the electric expansion valve initial opening in preset time period
OK.
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| CN201510398297.6A CN104949413B (en) | 2015-07-07 | 2015-07-07 | Method and device for acquiring initial opening degree of electronic expansion valve |
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| CN105783193B (en) * | 2016-04-13 | 2019-03-08 | Tcl空调器(中山)有限公司 | The initial opening control method and device of electric expansion valve |
| CN106403428A (en) * | 2016-10-20 | 2017-02-15 | 珠海格力电器股份有限公司 | Control method, device and system of electronic expansion valve and air conditioner |
| CN107023945A (en) * | 2017-04-01 | 2017-08-08 | 青岛海尔空调电子有限公司 | Air-conditioning system and the control method for air-conditioning system |
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