CN108548269A - The control method of air-conditioning - Google Patents
The control method of air-conditioning Download PDFInfo
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- CN108548269A CN108548269A CN201810277341.1A CN201810277341A CN108548269A CN 108548269 A CN108548269 A CN 108548269A CN 201810277341 A CN201810277341 A CN 201810277341A CN 108548269 A CN108548269 A CN 108548269A
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 68
- 230000001133 acceleration Effects 0.000 claims abstract description 55
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 12
- 238000005057 refrigeration Methods 0.000 description 9
- 239000003921 oil Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 208000013738 Sleep Initiation and Maintenance disease Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 206010022437 insomnia Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air-conditioning technical fields, and in particular to a kind of control method of air-conditioning.Present invention seek to address that the problem that universality is poor existing for the control method of existing air-conditioning, user experience is bad.For this purpose, the control method of the present invention includes：Calculate the temperature difference between indoor environment temperature and set temperature；According to the first fitting formula, the acceleration of outer wind turbine is calculated；According to the second fitting formula, raising frequency speed of the calculating compressor in the raising frequency stage；The outer wind turbine of control is according to acceleration raising speed to rotating speed of target；Preferably, while outer wind turbine is according to acceleration raising speed to rotating speed of target, control compressor carries out raising frequency according to raising frequency speed.By above-mentioned control mode, the control method of air-conditioning of the invention can improve the universality of air-conditioning, improve the usage experience of user.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular to a kind of control method of air-conditioning.
Background technology
With the increasingly raising of living standard, requirement of the people for quality of life is also higher and higher, and this requirement is in
Embody particularly evident on electrical appliance.By taking air-conditioning as an example, in order to meet the needs of user's fast-refrigerating/heating, to be user
Comfortable usage experience, existing air-conditioning is brought generally can all to make the quick raising frequency of compressor to higher frequency in rigid booting
It runs (such as raising frequency to maximum operation frequency).During compressor is quickly ramped up to high frequency, in order to ensure normal oil return, usually
Compressor continuous service in some or certain fixed frequencies (oil return frequency) can be forced for a period of time, to continue after oil return stabilization
Raising frequency.But force the compressor set-up mode of continuous service for a period of time in oil return frequency so that air-conditioning is quick in booting
During refrigerating/heating, the raising frequency overlong time of compressor slows down the speed that compressor reaches maximum operation frequency, in turn
Influence the effect of air-conditioning fast-refrigerating/heating.
To solve the above problem of air-conditioning, the application for a patent for invention of Publication No. CN107576016A discloses a kind of " sky
The control method and system of tune ".Specifically, the control method includes mainly：Make the compressor start of air-conditioning；Make compressor by
According to multiple setting speeds, continuous raising frequency stage by stage；After continuous raising frequency stage by stage, judge whether compressor frequency reaches first
Target frequency；When compressor frequency reaches first object frequency, compressor is made to stop raising frequency.This application is mainly pressed by cancelling
Continuous running phases during contracting machine raising frequency in oil return frequency then make compressor upon actuation with different raising frequency speed
The mode of continuous raising frequency stage by stage shortens the raising frequency time of compressor, realizes the purpose of fast-refrigerating/heating.Although above-mentioned control
Method processed solves the problems, such as that fast-refrigerating/heating effect is poor in the prior art to a certain extent, but also inevitably deposits
In following defect：First, fast-refrigerating/heating after not all user is required for air-conditioning to be switched on, nor all environment
Under the conditions of be suitable for fast-refrigerating/heating, therefore there is universality difference in above-mentioned control method in actual use.Its
Secondary, the quick raising frequency of air-conditioning can accordingly result in noise and become larger, for some special users or occasion (such as insomnia user or figure
Book shop) for, the generation of noise influences the usage experience of user very much.
Correspondingly, this field needs a kind of control method of new air-conditioning to solve the above problems.
Invention content
It is pervasive existing for the control method of existing air-conditioning in order to solve in order to solve the above problem in the prior art
The problem that property is poor, user experience is bad, the present invention provides a kind of control method of air-conditioning, the air-conditioning includes compressor, swollen
Swollen valve and outer wind turbine, the control method include：
Calculate the temperature difference between indoor environment temperature and set temperature；
According to the first fitting formula, the acceleration of the outer wind turbine is calculated；
According to the second fitting formula, calculate the compressor the raising frequency stage raising frequency speed；
The outer wind turbine is controlled according to the acceleration raising speed to rotating speed of target；
The outer wind turbine according to the acceleration raising speed to the rotating speed of target while, before or after, control institute
It states compressor and carries out raising frequency according to the raising frequency speed；
Wherein, first fitting formula is true according to the correspondence between the temperature difference and the acceleration of the outer wind turbine
It is fixed；Second fitting formula is determined according to the correspondence between the temperature difference and the raising frequency speed of the compressor.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, the control method further includes：
Judge whether the frequency of the compressor reaches stable working frequency；
When the frequency of the compressor reaches the stable working frequency, controls the compressor and stop raising frequency；
Wherein, the stable working frequency is determined according to the correspondence of outdoor environment temperature and stable working frequency.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, " calculate between indoor environment temperature and set temperature
The temperature difference " the step of after, the control method further includes：
Judge whether the temperature difference is in preset temperature difference section；
When the temperature difference is in the temperature difference section, according to second fitting formula, calculates the compressor and rising
The raising frequency speed in frequency stage.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, the control method further includes：
When the temperature difference is less than the minimum value in the temperature difference section, according to second fitting formula, according to the temperature
The minimum value in poor section calculate the compressor the raising frequency stage raising frequency speed；Or
When the temperature difference is more than the maximum value in the temperature difference section, according to second fitting formula, according to the temperature
Raising frequency speed of the compressor described in the maximum value calculation in poor section in the raising frequency stage.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, the rotating speed of target is that the maximum of the outer wind turbine turns
Speed, " the outer wind turbine according to the acceleration raising speed to the rotating speed of target while, before or after, control the pressure
Contracting machine according to the raising frequency speed carry out raising frequency " the step of further comprise：
When the rotating speed of the outer wind turbine reaches the maximum (top) speed, control the compressor according to the raising frequency speed into
Row raising frequency.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, " the outer wind turbine is being controlled according to the acceleration
Raising speed is to rotating speed of target " the step of after, the control method further includes：
According to the corresponding pass between the frequency of outdoor environment temperature and/or the compressor and the rotating speed of the outer wind turbine
System adjusts the rotating speed of the outer wind turbine.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, the control method further includes：
According to the corresponding pass between the frequency of outdoor environment temperature and/or the compressor and the aperture of the expansion valve
System, adjusts the aperture of the expansion valve.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, the raising frequency stage includes multiple raising frequency sub-stages,
Second fitting formula includes accordingly multiple second fittings subformula, " according to the second fitting formula, calculates the compressor
In the raising frequency speed in raising frequency stage " further comprise：
It is fitted subformula according to each second, calculates separately the raising frequency speed of each raising frequency sub-stage of compressor.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, " compressor is controlled according to the raising frequency speed
The step of progress raising frequency ", further comprises：
The compressor is controlled successively according to the continuous raising frequency of raising frequency speed of each raising frequency sub-stage.
In the optimal technical scheme of the control method of above-mentioned air-conditioning, the acceleration of the temperature difference and the outer wind turbine is at just
The relationship of ratio；And/or the temperature difference and the raising frequency speed of the compressor are proportional；And/or the raising frequency speed
Degree is the arbitrary value in 0.5Hz-30Hz.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, the control method packet of air-conditioning
It includes：Calculate the temperature difference between indoor environment temperature and set temperature；According to the first fitting formula, the acceleration of outer wind turbine is calculated；
According to the second fitting formula, raising frequency speed of the calculating compressor in the raising frequency stage；The outer wind turbine of control is according to acceleration raising speed to mesh
Mark rotating speed；Preferably, while outer wind turbine is according to acceleration raising speed to rotating speed of target, control compressor according to raising frequency speed into
Row raising frequency；Wherein, the first fitting formula is determined according to the correspondence between the temperature difference and the acceleration of outer wind turbine；Second fitting is public
Formula is determined according to the correspondence between the temperature difference and the raising frequency speed of compressor.By predefining the first fitting formula and second
Fitting formula, then according to the acceleration and compressor of the first fitting formula and the outer wind turbine of the second fitting formula calculating in raising frequency rank
The raising frequency speed of section, and then outer wind turbine is controlled according to acceleration raising speed to rotating speed of target, and while raising speed to rotating speed of target
It controls compressor and carries out raising frequency according to raising frequency speed, the control method of air-conditioning of the invention can improve the universality of air-conditioning, carry
The usage experience of high user.
Specifically, the temperature difference between indoor environment temperature and set temperature respectively with the acceleration and compressor of outer wind turbine
Raising frequency speed it is proportional.In temperature difference hour, illustrate indoor environment temperature close to set temperature, user's control air-conditioning carries out
The hope of fast-refrigerating/heating is not strong, at this time according to the first fitting formula and the calculated outer wind turbine of the second fitting formula
Acceleration and the raising frequency speed of compressor be relatively low, when outer wind turbine is according to acceleration raising speed to the rotating speed of target, compression
Machine carries out raising frequency according to the raising frequency speed, can improve outer wind turbine and compression while ensureing the refrigerating/heating effect of air-conditioning
The operation stability of machine reduces operation noise；When the temperature difference is big, illustrate indoor environment temperature apart from set temperature farther out, user
There is an urgent need to air-conditionings to carry out fast-refrigerating/heating at this time, calculated according to the first fitting formula and the second fitting formula at this time
The acceleration of outer wind turbine and the raising frequency speed of compressor are relatively high, and outer wind turbine is according to the quick raising speed of the acceleration to rotating speed of target
When, compressor highly shortened according to the quick raising frequency of raising frequency speed so as to realize fast-refrigerating/heating of air-conditioning
The time of refrigerating/heating brings good usage experience for user.Also, through inventor's repetition test, observation, analysis and ratio
Compared with, technical solution using the present invention carry out fast-refrigerating/heating in the case of, can be compared with the existing technology by air-conditioning
Raising frequency speed promotes several times, even decades of times, realizes the jump frequency of air-conditioning.In addition, by controlling exogenous wind before compressor start
Machine raising speed is to rotating speed of target, that is, it is that compressor and outdoor unit radiate to drive air flowing in advance with high rotating speed, makes compressor
Just possess good radiating condition when startup, compressor heat dissipation effect is not caused by avoiding outer wind turbine from starting together with compressor
Good situation occurs, and further increases the refrigerating/heating effect after compressor start.
Description of the drawings
With reference to the accompanying drawings and in conjunction with the refrigeration mode of air-conditioning come describe the present invention air-conditioning control method.In attached drawing：
Fig. 1 is the flow diagram of the control method of the air-conditioning of the present invention；
Fig. 2 is the acceleration plots of the control method China and foreign countries wind turbine of the air-conditioning of the present invention；
Fig. 3 be the present invention air-conditioning control method in compressor raising frequency speed curve diagram.
Specific implementation mode
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, it is not intended that limit the scope of the invention.Although for example,
Present invention combination air-conditioning is described for running in cooling mode, but this application scenarios are not unalterable,
In the case of without departing from the principle of the invention, those skilled in the art can also apply the inventive method to other applied fields
Scape, such as application and air-conditioning heating mode or dehumidification mode.
Firstly the need of explanation, usual air conditioner all includes indoor unit and outdoor unit, and being provided with interior in indoor unit changes
Hot device, inner blower etc. are provided with compressor, electric expansion valve, outer wind turbine and outdoor heat exchanger etc. in outdoor unit.Lead in indoor unit
It is often additionally provided with the control system for controlling air-conditioning work, if control system includes control module, judgment module, computing module
With acquisition module etc..Wherein, the physical form of control module, judgment module, computing module and acquisition module can be only each other
Vertical, naturally it is also possible to the functional unit being integrated on a physical module.As the control system of air-conditioning include memory and
Processor, and the computer program that is stored in memory and can run on a processor, the computer program can be completed
The function of above-mentioned control module, judgment module and acquisition module.The physics setting of the above air-conditioning is that the prior art is hollow
The conventional arrangement mode of tune should not be seen as the limitation of the control method to being invented.
It is the flow diagram of the control method of the air-conditioning of the present invention referring to Fig. 1, Fig. 1.
As shown in Figure 1, in order to solve, universality is poor existing for the control method of existing air-conditioning, user experience is bad asks
Topic, the present invention provides a kind of control method of air-conditioning, which mainly includes the following steps that：
The temperature difference between S100, calculating indoor environment temperature and set temperature；Such as passed by the way that temperature is arranged in machine indoors
The mode of sensor obtains indoor environment temperature, then the instruction acquisition for receiving user by air-conditioning is controlled to the set temperature of user
System processed obtains the temperature between indoor environment temperature and set temperature by the difference of calculating indoor environment temperature and set temperature
Difference；
S200, according to the first fitting formula, the acceleration of outer wind turbine is calculated, if the first fitting formula is according to the temperature difference and exogenous wind
Correspondence between the acceleration of machine determines, and the temperature difference and the acceleration of outer wind turbine are proportional, i.e., the temperature difference is bigger, outside
The acceleration of wind turbine is faster, and the control system of air-conditioning calculates the acceleration of outer wind turbine ramp-up stage according to the first fitting formula；
S300, according to the second fitting formula, calculate raising frequency speed of the compressor in the raising frequency stage, such as the second fitting formula root
It is determined according to the correspondence between the temperature difference and the raising frequency speed of compressor, and temperature difference pass directly proportional to the raising frequency speed of compressor
System, i.e., the temperature difference is bigger, and the raising frequency speed of compressor is faster, and the control system of air-conditioning calculates compressor liter according to the second fitting formula
The raising frequency speed in frequency stage；
S400, the outer wind turbine of control are according to acceleration raising speed to rotating speed of target, it is preferable that rotating speed of target is the maximum of outer wind turbine
Rotating speed, after the acceleration for calculating outer wind turbine, the control system of air-conditioning controls outer wind turbine according to acceleration raising speed to maximum
Rotating speed；
S500, while outer wind turbine raising speed is to rotating speed of target, before or after, control compressor according to raising frequency speed into
Row raising frequency, it is preferable that while outer wind turbine raising speed is to rotating speed of target, the control system of air-conditioning controls compressor according to raising frequency speed
Continuous raising frequency or stage by stage continuous raising frequency；
S600, judge whether the frequency of compressor reaches stable working frequency, as the control system of air-conditioning obtains pressure in real time
The current frequency of contracting machine, and current frequency is compared with stable working frequency；
S700, when the frequency of compressor reaches stable working frequency, make compressor stop raising frequency, such as reached in current frequency
When to stable working frequency, control system control compressor maintains stable working frequency and works on.
It can be seen from the above description that by predefining the first fitting formula and the second fitting formula, then basis
First fitting formula and the second fitting formula calculate the raising frequency speed of the acceleration and compressor of outer wind turbine, and then control outer wind turbine
According to acceleration raising speed to rotating speed of target, and controls compressor while raising speed to rotating speed of target and risen according to raising frequency speed
Frequently, the control method of air-conditioning of the invention can improve the universality of air-conditioning, improve the usage experience of user.In other words, originally
Invention solves the problems, such as that universality is poor existing for the control method of existing air-conditioning, user experience is bad, improves air-conditioning
Comfort improves user experience.
Referring to Fig. 2 and Fig. 3, the principle that the present invention is further explained.Wherein, Fig. 2 is the control of the air-conditioning of the present invention
The acceleration plots of method China and foreign countries wind turbine, Fig. 3 be the present invention control method in compressor raising frequency speed curve diagram.
As shown in Fig. 2, in a kind of possible embodiment, in the first fitting formula the acceleration of the temperature difference and outer wind turbine at
Proportional relation, it is preferable that rotating speed of target is the maximum (top) speed of outer wind turbine.For example, the first fitting formula of acceleration can be with
For：aw=k ' △ T+b ', wherein awIndicate the acceleration (r/s of outer wind turbine2), △ T represent indoor environment temperature and set temperature
Between the temperature difference (DEG C), k ' be proportionality coefficient, b ' be constant.The proportionality coefficient k ' and constant b ' of first fitting formula can be according to
As under type determines：Assuming that the value range of temperature difference △ T is 0-10 DEG C, and when enabling △ T=0 as a result, acceleration awmin=10r/s2,
When △ T=10 DEG C, acceleration awmax=30r/s2, acquire, k '=2, b '=10, therefore aw=2 △ T+10.Calculating first
After fitting formula, the first fitting formula is preset in the control system of air-conditioning, so, mould is selected when user is switched on every time
Formula and after adjusting set temperature, control system just can determine that the acceleration of outer wind turbine, and according to wind turbine outside the Acceleration Control
Raising speed works.
As shown in figure 3, in a kind of possible embodiment, there are one compressors the raising frequency stage, and the raising frequency rank
The temperature difference and the raising frequency speed of compressor are proportional in second fitting formula of section, it is preferable that raising frequency speed is 0.5Hz-
Arbitrary value in 30Hz.For example, the second fitting formula of raising frequency speed can be：vy=k △ T+b, wherein vyIndicate pressure
The raising frequency speed (Hz/s) of contracting machine, △ T represent the temperature difference (DEG C) between indoor environment temperature and set temperature, and k is proportionality coefficient,
B is constant.The proportionality coefficient k and constant b of second fitting formula can be determined as follows：Assuming that the value of temperature difference △ T
Ranging from 0-10 DEG C, when enabling △ T=0 as a result, raising frequency speed vyminWhen=0.5Hz/s, △ T=10 DEG C, raising frequency speed vymax=
30Hz/s is acquired, k=2.95, b=0.5, therefore vy=2.95 △ T+0.5.After calculating the second fitting formula, by second
Fitting formula is preset in the control system of air-conditioning, so, when user be switched on every time selection mode and adjust setting temperature
After degree, control system just can determine that the raising frequency speed of compressor, and work according to the raising frequency speed control compressor raising frequency.
Further, the value range of temperature difference △ T can also be divided into one or more temperature difference sections, in temperature difference △ T
When falling into one of temperature difference section, corresponding raising frequency speed is calculated using the second fitting formula.For example, taking temperature difference △ T
Value range is divided into three sections (- ∞, 5), [5,10] and (10 ,+∞), calculated temperature difference △ T be in [5,10] this
When a section, using the second fitting formula vy=k △ T+b calculate raising frequency speed, when temperature difference △ T be in (- ∞, 5) or (10 ,+
∞) when section, then the temperature difference is equal to raising frequency speed when 5 and 10 (i.e. the minimum values and maximum value of temperature difference section [5,10]) respectively
Raising frequency speed as compressor under the temperature difference.Thus, the raising frequency speed of compressor can be prevented excessive or it is too small to pressure
Damage caused by contracting machine.
Referring to table 1, in a kind of possible embodiment, stable working frequency can according to outdoor environment temperature with
The correspondence of stable working frequency determines.
The 1 stable working frequency table of comparisons of table
Wherein, TaoRepresent outdoor environment temperature, fwRepresent the stable working frequency of compressor, feRepresent the specified of compressor
Working frequency.
Referring to table 2, in a kind of possible embodiment, preferably to improve the experience that user uses air-conditioning, carry
Refrigeration effect is risen, the job stability and service life of compressor are improved, outer wind turbine is controlled and turns according to acceleration raising speed to target
After the step of speed, control method further includes：
According to the correspondence between outdoor environment temperature and the rotating speed of outer wind turbine, the rotating speed of outer wind turbine is adjusted.
2 outer rotation speed of fan control table (1) of table
| Tao(℃) | ≤22 | 22-29 | ≥29 |
| rw(r/min) | 400 | 800 | 1200 |
Wherein, TaoRepresent outdoor environment temperature, rwRepresent the rotating speed of outer wind turbine.
Referring to table 3, in a kind of possible embodiment, preferably to improve the experience that user uses air-conditioning, carry
Refrigeration effect is risen, improves the job stability and service life of compressor, the control method of air-conditioning of the invention can also include
Following steps：
According to the correspondence between outdoor environment temperature and the aperture of electric expansion valve, the aperture of expansion valve is adjusted.
3 electronic expansion valve opening control table of table
Wherein, TaoOutdoor environment temperature is represented, f represents the working frequency of compressor, and B represents the aperture of electric expansion valve.
By above-mentioned control mode, the advantages of control method of air-conditioning of the invention, is：It is quasi- by predefining first
Close formula and the second fitting formula, then according to the first fitting formula calculate outer wind turbine ramp-up stage acceleration, according to the
Two fitting formulas calculate raising frequency speed of the compressor in the raising frequency stage, and then control outer wind turbine and turn according to acceleration raising speed to maximum
Speed, and control compressor while raising speed to maximum (top) speed and carry out raising frequency, the control of air-conditioning of the invention according to raising frequency speed
Method can improve the universality of air-conditioning, improve the usage experience of user.
Specifically, the temperature difference between indoor environment temperature and set temperature respectively with the acceleration and compressor of outer wind turbine
Raising frequency speed it is proportional.In temperature difference hour, illustrate indoor environment temperature close to set temperature, user's control air-conditioning carries out
The hope of fast-refrigerating is not strong, at this time according to the acceleration of the first fitting formula and the calculated outer wind turbine of the second fitting formula
Degree and the raising frequency speed of compressor are relatively low, when outer wind turbine is according to acceleration raising speed to the maximum (top) speed, compressor according to
The raising frequency speed carries out raising frequency, and the operation that while ensureing the refrigeration effect of air-conditioning, can improve outer wind turbine and compressor is steady
Qualitative, reduction operation noise；When the temperature difference is big, illustrate indoor environment temperature far from set temperature, there is an urgent need to skies at this time by user
Row fast-refrigerating is transferred in, at this time according to the acceleration and compression of the first fitting formula and the calculated outer wind turbine of the second fitting formula
The raising frequency speed of machine is relatively high, outer wind turbine according to the quick raising speed of the acceleration to maximum (top) speed when, compressor is according to the raising frequency
The quick raising frequency of speed highly shortened the time of refrigeration so as to realize the fast-refrigerating of air-conditioning, be brought well for user
Usage experience.
Sky is driven with high rotating speed to maximum (top) speed, that is, in advance by controlling outer wind turbine raising speed before compressor start
Flow of air is that compressor and outdoor unit radiate, and makes just to possess good radiating condition when compressor start, avoids outer wind turbine with pressure
The situation that compressor heat dissipation effect is bad caused by contracting machine starts together occurs, and further increases the refrigeration after compressor start
Effect.The stable working frequency and electronics for determining compressor are corresponded to by the parameters such as outdoor environment temperature and compressor operating frequency
The aperture of expansion valve, it is outer by being adjusted according to outdoor environment temperature and compressor operating frequency after outer wind turbine raising speed to maximum (top) speed
The rotating speed of wind turbine, control method of the invention can also provide the running environment to match for compressor in compressor operating,
The working efficiency and job stability for further increasing compressor, improve the operational effect of air-conditioning.
Further, through inventor's repetition test, observation is analyzed and is compared and obtains, by oil spitting amount to compressor, swollen
The aperture of swollen valve, the rotating speed of outer wind turbine and oil-liquid separator etc. are accurately controlled, before ensureing that compressor operating is stablized
It puts, the raising frequency speed of compressor can be controlled steadily in 0.5-30Hz/s, and especially maximum raising frequency speed can reach frightened
The 30Hz/s of people.And those skilled in the art understand that, the raising frequency speed of compressor is mostly 0.5- in the prior art
1Hz/s, few compressors can reach the raising frequency speed of the present invention when keeping steady operation.Thus, air-conditioning of the invention
When carrying out fast-refrigerating, can the raising frequency speed of air-conditioning be promoted into several times, even decades of times compared with the existing technology, to real
The jump frequency of existing air-conditioning, significantly improves the usage experience of user.
Certainly, the above embodiment is used only for the principle illustrated the present invention, it is not intended that in the limitation present invention's
Protection domain, under conditions of without departing from the principle of the invention, those skilled in the art can also do arbitrary form to above-mentioned parameter
Adjustment, as long as the technical solution after adjustment can improve the condition of raising frequency speed under the premise of ensureing compressor normal oil return
.For example, the parameter of the form and air-conditioning of the first fitting formula and the second fitting formula can be based on different application scenarios
It is adjusted, such as the second fitting formula can also be vy=k △ T2+ b etc..For another example, the number in temperature difference section and endpoint value are not one
At constant, those skilled in the art can be adjusted based on practical application scene.For another example, rotating speed of target can also be outer wind turbine
Other rotating speeds or maximum (top) speed near tachometer value, accordingly when rotating speed of target is less than maximum (top) speed, compressor can be
Outer wind turbine starts raising frequency after reaching rotating speed of target, and when rotating speed of target value is more than maximum (top) speed, compressor can be in outer wind turbine
Start raising frequency before reaching rotating speed of target.For another example, the aperture of electric expansion valve can also be according to outdoor environment temperature and/or compression
Correspondence between the frequency of machine and the aperture of electric expansion valve is adjusted, and outer wind turbine can be with root after reaching maximum (top) speed
It is adjusted (such as the following table 4) according to the correspondence between outdoor environment temperature and the frequency and the rotating speed of outer wind turbine of compressor.
4 outer rotation speed of fan control table (2) of table
Wherein, TaoOutdoor environment temperature is represented, f represents the working frequency of compressor, rwRepresent the rotating speed of outer wind turbine.
In addition, further to promote the refrigeration effect of air-conditioning, the raising frequency stage of compressor can also further be segmented
For multiple raising frequency sub-stages, accordingly, each raising frequency sub-stage includes one second fitting subformula, the second fitting subformula
Between can be coefficient difference, can also be the difference of formula.It is risen for example, the raising frequency stage of compressor may include three
Frequency sub-stage, each raising frequency sub-stage corresponding second fitting subformula is respectively vy1=k1△T+b1、vy2=k2△T+b2、vy3
=k3△T+b3.After user adjusts set temperature, control system is fitted subformula according to each second respectively and calculates accordingly
The raising frequency speed of each raising frequency sub-stage of compressor, then control compressor according to each raising frequency sub-stage raising frequency speed according to
Secondary raising frequency.The relationship for such as calculating the raising frequency speed of three raising frequency sub-stages is vy1>vy2>vy3(certainly, which may be
Other are such as vy1<vy2<vy3Deng), then controlling compressor raising frequency in such a way that raising frequency speed is gradually reduced, realize that air-conditioning is quick
While refrigeration, ensures that compressor oil return is normal, be gradually reduced process noise, prolong the service life.
With reference to Fig. 1 to Fig. 3, brief Jie is done to a kind of workflow of the air-conditioning of the control method of the application present invention
It continues.The course of work of air-conditioning can be：
Air-conditioning, which is switched on → selects, refrigeration mode and adjusts the temperature of set temperature → calculating indoor environment temperature and set temperature
Difference for 10 DEG C → calculate according to the first fitting formula the acceleration a of outer wind turbinew, the liter of compressor is calculated according to the second fitting formula
Frequency speed vy, while according to table 1 and table 3, determining stable working frequency fwAperture B → outer wind turbine with electric expansion valve is according to adding
Speed awQuick raising speed, when expansion valve is adjusted to the B of target aperture → outer wind turbine raising speed to maximum (top) speed, compressor is according to raising frequency
Speed vyCarry out quick raising frequency → compressor reaches stable working frequency f after a period of timewAfter maintain the frequency run, electricity
The aperture B of sub- expansion valve is adjusted according to table 3, the rotating speed r of outer wind turbinewIt is adjusted according to table 4.
Finally, it should be noted that although present embodiment in a chiller mode for be described, it is clear that it is this to answer
Not unalterable with scene, in the case of without departing from the principle of the invention, those skilled in the art can also be by the present invention's
Control method is applied to air-conditioning others pattern, such as the heating mode or dehumidification mode of application and air-conditioning.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific implementation modes.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after change or replacement is fallen within protection scope of the present invention.
Claims (10)
1. a kind of control method of air-conditioning, the air-conditioning includes compressor, expansion valve and outer wind turbine, which is characterized in that the control
Method processed includes：
Calculate the temperature difference between indoor environment temperature and set temperature；
According to the first fitting formula, the acceleration of the outer wind turbine is calculated；
According to the second fitting formula, calculate the compressor the raising frequency stage raising frequency speed；
The outer wind turbine is controlled according to the acceleration raising speed to rotating speed of target；
The outer wind turbine according to the acceleration raising speed to the rotating speed of target while, before or after, control the pressure
Contracting machine carries out raising frequency according to the raising frequency speed；
Wherein, first fitting formula is determined according to the correspondence between the temperature difference and the acceleration of the outer wind turbine；
Second fitting formula is determined according to the correspondence between the temperature difference and the raising frequency speed of the compressor.
2. the control method of air-conditioning according to claim 1, which is characterized in that the control method further includes：
Judge whether the frequency of the compressor reaches stable working frequency；
When the frequency of the compressor reaches the stable working frequency, controls the compressor and stop raising frequency；
Wherein, the stable working frequency is determined according to the correspondence of outdoor environment temperature and stable working frequency.
3. the control method of air-conditioning according to claim 1, which is characterized in that " calculate indoor environment temperature and setting temperature
After the step of temperature difference between degree ", the control method further includes：
Judge whether the temperature difference is in preset temperature difference section；
When the temperature difference is in the temperature difference section, according to second fitting formula, the compressor is calculated in raising frequency rank
The raising frequency speed of section.
4. the control method of air-conditioning according to claim 3, which is characterized in that the control method further includes：
When the temperature difference is less than the minimum value in the temperature difference section, according to second fitting formula, according to the temperature difference area
Between minimum value calculate the compressor the raising frequency stage raising frequency speed；Or
When the temperature difference is more than the maximum value in the temperature difference section, according to second fitting formula, according to the temperature difference area
Between maximum value calculation described in compressor the raising frequency stage raising frequency speed.
5. the control method of air-conditioning according to claim 1, which is characterized in that the rotating speed of target is the outer wind turbine
Maximum (top) speed, " the outer wind turbine according to the acceleration raising speed to the rotating speed of target while, before or after, control
The compressor according to the raising frequency speed carry out raising frequency " the step of further comprise：
When the rotating speed of the outer wind turbine reaches the maximum (top) speed, controls the compressor and risen according to the raising frequency speed
Frequently.
6. the control method of air-conditioning according to claim 1, which is characterized in that " controlling the outer wind turbine according to described
Acceleration raising speed is to rotating speed of target " the step of after, the control method further includes：
According to the correspondence between outdoor environment temperature and/or the frequency and the rotating speed of the outer wind turbine of the compressor, adjust
The rotating speed of the whole outer wind turbine.
7. the control method of air-conditioning according to claim 1, which is characterized in that the control method further includes：
According to the correspondence between outdoor environment temperature and/or the frequency and the aperture of the expansion valve of the compressor, adjust
The aperture of the whole expansion valve.
8. the control method of air-conditioning according to any one of claim 1 to 7, which is characterized in that the raising frequency stage packet
Multiple raising frequency sub-stages are included, second fitting formula includes accordingly multiple second fittings subformula, " public according to the second fitting
Formula, calculate the compressor the raising frequency stage raising frequency speed " further comprise：
It is fitted subformula according to each second, calculates separately the raising frequency speed of each raising frequency sub-stage of compressor.
9. the control method of air-conditioning according to claim 8, which is characterized in that " control the compressor according to the liter
The step of frequency speed progress raising frequency ", further comprises：
The compressor is controlled successively according to the continuous raising frequency of raising frequency speed of each raising frequency sub-stage.
10. the control method of air-conditioning according to claim 1, which is characterized in that the temperature difference adds with the outer wind turbine
Speed is proportional；And/or the temperature difference and the raising frequency speed of the compressor are proportional；And/or institute
It is the arbitrary value in 0.5Hz-30Hz to state raising frequency speed.
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| WO2022068967A1 (en) * | 2021-04-25 | 2022-04-07 | 青岛海尔空调器有限总公司 | Sleep mode control method |
| CN114459131A (en) * | 2020-11-10 | 2022-05-10 | 广东美的制冷设备有限公司 | Air conditioner control method, device, equipment and storage medium |
| US20230011126A1 (en) * | 2021-07-09 | 2023-01-12 | Samsung Electronics Co., Ltd. | Air conditioner and control method thereof |
| CN115654640A (en) * | 2022-09-30 | 2023-01-31 | 珠海格力电器股份有限公司 | Variable frequency air conditioner control method, device and system and air conditioner |
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Effective date of registration: 20201028 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |