CN108548303A - The control method of air-conditioning under refrigeration mode - Google Patents
The control method of air-conditioning under refrigeration mode Download PDFInfo
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- CN108548303A CN108548303A CN201810277320.XA CN201810277320A CN108548303A CN 108548303 A CN108548303 A CN 108548303A CN 201810277320 A CN201810277320 A CN 201810277320A CN 108548303 A CN108548303 A CN 108548303A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
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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
Abstract
The present invention relates to air-conditioning technical fields, and in particular to the control method of air-conditioning under a kind of refrigeration mode.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：Obtain outdoor environment 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 can improve the universality of air-conditioning under refrigeration mode of the invention, improve the usage experience of user.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular to the control method of air-conditioning under a kind of refrigeration mode.
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.It is easypro to be brought for user in order to meet the needs of user's fast-refrigerating by taking air-conditioning as an example
Suitable usage experience, existing air-conditioning generally can all be such that the quick raising frequency of compressor to higher frequency runs (such as in rigid booting
Raising frequency is to maximum operation frequency).During compressor is quickly ramped up to high frequency, in order to ensure normal oil return, it will usually force
Compressor continuous service in some or certain fixed frequencies (oil return frequency) for a period of time, waits for that subsequent frequency of continuing rising is stablized in oil return.
But force the compressor set-up mode of continuous service for a period of time in oil return frequency so that air-conditioning is in booting fast-refrigerating mistake
Cheng Zhong, the raising frequency overlong time of compressor slow down the speed that compressor reaches maximum operation frequency, and then it is quick to influence air-conditioning
The effect of refrigeration.
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.Although above-mentioned control method
It solves the problems, such as that fast-refrigerating effect is poor in the prior art to a certain extent, but is also inevitably present following defect：
First, fast-refrigerating after not all user is required for air-conditioning to be switched on, nor being suitable under all environmental conditions quickly
Refrigeration, therefore there is universality difference in actual use in above-mentioned control method.Secondly, the quick raising frequency of air-conditioning can be corresponding
Ground causes noise to become larger, and for some special users or occasion (such as insomnia user or library), the generation of noise is non-
Often influence the usage experience of user.
Correspondingly, this field needs a kind of control method of air-conditioning under new refrigeration mode 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 under refrigeration mode, the air-conditioning includes
Compressor, expansion valve and outer wind turbine, the control method include：
Obtain outdoor environment 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 according to pair between the outdoor environment temperature and the acceleration of the outer wind turbine
It should be related to determination；Second fitting formula is according to pair between the outdoor environment temperature and the raising frequency speed of the compressor
It should be related to determination.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of 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.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of air-conditioning, the step of " obtaining outdoor environment temperature "
After rapid, the control method further includes：
Judge whether the outdoor environment temperature is in preset temperature range；
When the outdoor environment temperature is in the temperature range, according to second fitting formula, the pressure is calculated
Raising frequency speed of the contracting machine in the raising frequency stage.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of air-conditioning, the control method further includes：
When the outdoor environment temperature is less than the minimum value of the temperature range, according to second fitting formula, press
According to the temperature range minimum value calculate the compressor the raising frequency stage raising frequency speed；Or
When the outdoor environment temperature is more than the maximum value of the temperature range, according to second fitting formula, press
Raising frequency speed of the compressor described in maximum value calculation according to the temperature range in the raising frequency stage.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of air-conditioning, the rotating speed of target is the exogenous wind
The maximum (top) speed of machine, " 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, control the compressor according to the raising frequency speed into
Row raising frequency.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of air-conditioning, " the control outer wind turbine 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.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of 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.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of air-conditioning, the raising frequency stage includes multiple liters
Frequency sub-stage, second fitting formula include accordingly multiple second fittings subformula, " according to the second fitting formula, are calculated
Raising frequency speed of the compressor in the raising frequency stage " further comprises：
It is fitted subformula according to each second, calculates separately the raising frequency speed of each raising frequency sub-stage of compressor.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of air-conditioning, " compressor is controlled according to institute
State raising frequency speed carry out raising frequency " the step of further comprise：
The compressor is controlled successively according to the continuous raising frequency of raising frequency speed of each raising frequency sub-stage.
Under above-mentioned refrigeration mode in the optimal technical scheme of the control method of air-conditioning, the outdoor environment temperature with it is described
The acceleration of outer wind turbine is proportional；And/or the raising frequency speed of the outdoor environment temperature and the compressor is at just
The relationship of ratio；And/or the raising frequency speed 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, air-conditioning under refrigeration mode
Control method includes：Obtain outdoor environment temperature；According to the first fitting formula, the acceleration of outer wind turbine is calculated；It is quasi- according to second
Close 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；It is preferred that
Ground, 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；Its
In, the first fitting formula is determined according to the correspondence between outdoor environment temperature and the acceleration of outer wind turbine；Second fitting is public
Formula is determined according to the correspondence between outdoor environment temperature and the raising frequency speed of compressor.It is public by predefining the first fitting
Then formula and the second fitting formula calculate the acceleration and compressor of outer wind turbine according to the first fitting formula and the second fitting formula
In the raising frequency speed in raising frequency stage, and then outer wind turbine is controlled according to acceleration raising speed to rotating speed of target, and turn in raising speed to target
Compressor is controlled while fast and carries out raising frequency according to raising frequency speed, and the control method of air-conditioning can carry under refrigeration mode of the invention
The universality of high air-conditioning improves the usage experience of user.
Specifically, outdoor environment temperature pass directly proportional to the acceleration of outer wind turbine and the raising frequency speed of compressor respectively
System.When outdoor environment temperature is relatively low, the sendible temperature of human body is relatively low, thus it is from the outside into the room when user's control
The hope that air-conditioning carries out fast-refrigerating is not strong, at this time according to the first fitting formula and the calculated exogenous wind of the second fitting formula
The acceleration of machine and the raising frequency speed of compressor are relatively low, when outer wind turbine is according to acceleration raising speed to the rotating speed of target, pressure
Contracting machine carries out raising frequency according to the raising frequency speed, can improve outer wind turbine and compressor while ensureing the refrigeration effect of air-conditioning
Operation stability, reduce operation noise；When outdoor environment temperature is relatively high, the sendible temperature of human body is also higher, therefore
There is an urgent need to air-conditionings to carry out fast-refrigerating by user when from the outside into the room, public according to the first fitting formula and the second fitting at this time
The acceleration of the calculated outer wind turbine of formula and the raising frequency speed of compressor are relatively high, and outer wind turbine is according to the quick raising speed of the acceleration
When to rotating speed of target, compressor greatly contracts according to the quick raising frequency of raising frequency speed so as to realize the fast-refrigerating of air-conditioning
The time of short refrigeration 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 in the case of, can be compared with the existing technology by the raising frequency of air-conditioning
Speed promotes several times, even decades of times, realizes the jump frequency of air-conditioning.In addition, by controlling outer wind turbine liter before compressor start
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 start
When just possess good radiating condition, compressor heat dissipation effect is bad caused by avoiding outer wind turbine from starting together with compressor
Situation occurs, and further increases the refrigeration effect after compressor start.
Description of the drawings
With reference to the accompanying drawings come describe the present invention refrigeration mode under air-conditioning control method.In attached drawing：
Fig. 1 be the present invention refrigeration mode under air-conditioning control method flow diagram；
Fig. 2 be the present invention refrigeration mode under air-conditioning control method China and foreign countries wind turbine acceleration plots；
Fig. 3 be the present invention refrigeration mode under 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,
The second fitting formula of the raising frequency speed of compressor is with v in specific implementation modey=kTao+ b is exemplifies, but this fitting
The form of formula is non-unalterable, and those skilled in the art can as needed make adjustment to it, to adapt to specifically answer
Use occasion.For example, the second fitting formula can also be vy=kTao 2+ b etc..
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.
Referring to the flow diagram of the control method of air-conditioning under the refrigeration mode that Fig. 1, Fig. 1 are the present invention.
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 under refrigeration mode, which mainly includes the following steps that：
S100, outdoor environment temperature is obtained；Such as after air-conditioning is switched on and selects refrigeration mode, by being arranged in machine indoors
The mode of temperature sensor obtains outdoor environment temperature；
S200, according to the first fitting formula, the acceleration of outer wind turbine is calculated, if the first fitting formula is according to outdoor environment temperature
Correspondence between degree and the acceleration of outer wind turbine determines, and outdoor environment temperature pass directly proportional to the acceleration of outer wind turbine
System, i.e., outdoor environment temperature is higher, and the acceleration of outer wind turbine is bigger, and the control system of air-conditioning is outer according to the calculating of the first fitting formula
The acceleration of wind turbine ramp-up stage；
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 outdoor environment temperature and the raising frequency speed of compressor, and outdoor environment temperature and compressor
Raising frequency speed is proportional, i.e., outdoor environment temperature is higher, and the raising frequency speed of compressor is faster, the control system of air-conditioning according to
Second fitting formula calculates the raising frequency speed in compressor raising 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 can improve the universality of air-conditioning under refrigeration mode of the invention, improve the usage experience of user.It changes
Sentence is talked about, and the present invention solves the problems, such as that universality is poor existing for the control method of existing air-conditioning, user experience is bad, is promoted
The comfort of air-conditioning, improves user experience.
Referring to Fig. 2 and Fig. 3, the principle that the present invention is further explained.Wherein, under refrigeration modes of the Fig. 2 for the present invention
The acceleration plots of the control method China and foreign countries wind turbine of air-conditioning, Fig. 3 be the present invention refrigeration mode under air-conditioning control method in
The raising frequency speed curve diagram of compressor.
As shown in Fig. 2, in a kind of possible embodiment, outdoor environment temperature and outer wind turbine in the first fitting formula
Acceleration is proportional, it is preferable that rotating speed of target is the maximum (top) speed of outer wind turbine.For example, the first fitting of acceleration
Formula can be：aw=k ' Tao+ b ', wherein awIndicate the acceleration (r/s of outer wind turbine2), TaoIndicate outdoor environment temperature
(DEG C), k ' are proportionality coefficient, and b ' is constant.The proportionality coefficient k ' and constant b ' of first fitting formula can as follows really
It is fixed：Assuming that outdoor environment temperature TaoValue range be 16-40 DEG C, enable T as a result,aoWhen=16, acceleration awmin=10r/s2,
TaoAt=40 DEG C, acceleration awmax=30r/s2, acquire, k '=0.83, b '=- 3.2, therefore aw=0.83Tao-3.2.It is counting
After calculating the first fitting formula, the first fitting formula is preset in the control system of air-conditioning, so, when user selects every time
After selecting refrigeration mode, control system just can determine the acceleration of outer wind turbine according to the outdoor environment temperature got, and according to this
The outer wind turbine raising speed work of Acceleration Control.
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 raising frequency speed of outdoor environment temperature and compressor is proportional in second fitting formula of section, it is preferable that raising frequency speed is
Arbitrary value in 0.5Hz-30Hz.For example, the second fitting formula of raising frequency speed can be：vy=kTao+ b, wherein vy
Indicate the raising frequency speed (Hz/s) of compressor, TaoIndicate outdoor environment temperature (DEG C), k is proportionality coefficient, and b is constant.Second is quasi-
The proportionality coefficient k and constant b for closing formula can be determined as follows：Assuming that outdoor environment temperature TaoValue range be
16-40 DEG C, T is enabled as a result,aoWhen=16, raising frequency speed vymin=0.5Hz/s, TaoAt=40 DEG C, raising frequency speed vymax=30Hz/
S is acquired, k=1.23, b=-19.2, therefore vy=1.23Tao-19.2.After calculating the second fitting formula, by the second fitting
Formula is preset in the control system of air-conditioning, and so, after user selects refrigeration mode every time, control system just can basis
The outdoor environment temperature got determines the raising frequency speed of compressor, and works according to the raising frequency speed control compressor raising frequency.
It further, can also be by outdoor environment temperature TaoValue range be divided into one or more temperature ranges,
Outdoor environment temperature TaoWhen falling into one of temperature range, corresponding raising frequency speed is calculated using the second fitting formula.For example,
By outdoor environment temperature TaoValue range be divided into three sections (- ∞, 16), [16,40] and (40 ,+∞), getting
Outdoor environment temperature TaoWhen in [16,40] this section, using the second fitting formula vy=kTao+ b calculates raising frequency speed,
As outdoor environment temperature TaoWhen in (- ∞, 16) or the section (40 ,+∞), then outdoor environment temperature is equal to 16 and 40 respectively
Raising frequency speed of the raising frequency speed as compressor at this temperature when (i.e. the minimum value and maximum value of temperature range [16,40]).
Thus, the raising frequency speed of compressor can be prevented excessive or the too small damage caused by compressor with simplify control program.
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, control method of the invention can also include following step
Suddenly：
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, under refrigeration mode of the invention the advantages of control method of air-conditioning be：By advance
It determines the first fitting formula and the second fitting formula, acceleration of the outer wind turbine in ramp-up stage is then calculated according to the first fitting formula
Degree calculates raising frequency speed of the compressor in the raising frequency stage according to the second fitting formula, and then controls outer wind turbine according to acceleration liter
Speed controls compressor while raising speed to maximum (top) speed and carries out raising frequency according to raising frequency speed to maximum (top) speed, of the invention
The control method of air-conditioning can improve the universality of air-conditioning under refrigeration mode, improve the usage experience of user.
Specifically, outdoor environment temperature pass directly proportional to the acceleration of outer wind turbine and the raising frequency speed of compressor respectively
System.When outdoor environment temperature is relatively low, the sendible temperature of human body is relatively low, thus it is from the outside into the room when user's control it is empty
The hope for transferring in row fast-refrigerating 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 maximum (top) speed, compression
Machine carries out raising frequency according to the raising frequency speed, can improve outer wind turbine and compressor while ensureing the refrigeration effect of air-conditioning
Operation stability reduces operation noise；When outdoor environment temperature is relatively high, the sendible temperature of human body is higher, therefore from room
There is an urgent need to air-conditionings to carry out fast-refrigerating by user when getting in outside, at this time according to the first fitting formula and the second fitting formula meter
The acceleration of the outer wind turbine calculated 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 most
When big rotating speed, compressor highly shortened according to the quick raising frequency of raising frequency speed so as to realize the fast-refrigerating of air-conditioning
The time of refrigeration brings good usage experience for user.
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 can also provide for compressor and match in compressor operating under refrigeration mode of the invention
Running environment, further increase the working efficiency and job stability of 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=kTao 2+ b etc..For another example, the number of temperature range and endpoint value are not one
At constant, those skilled in the art can be adjusted based on practical application scene, such as further segment in the section of [16,40]
For multiple sections, each section corresponds to different fitting formulas etc..For another example, rotating speed of target can also be other rotating speeds of outer wind turbine
Or the tachometer value near maximum (top) speed, accordingly when rotating speed of target is less than maximum (top) speed, compressor can reach in outer wind turbine
Start raising frequency after rotating speed of target, when rotating speed of target value is more than maximum (top) speed, compressor can reach target in outer wind turbine and turn
Start raising frequency before speed.For another example, the aperture of electric expansion valve can also according to the frequency of outdoor environment temperature and/or compressor with
Correspondence between the aperture of electric expansion valve is adjusted, and outer wind turbine can also be according to outdoor environment after reaching maximum (top) speed
Correspondence between temperature and the frequency and the rotating speed of outer wind turbine of compressor is adjusted (such as the following table 4).
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=k1Tao+b1、vy2=k2Tao+b2、vy3=
k3Tao+b3.After user selects refrigeration mode, control system is fitted subformula and calculates according to each second respectively accordingly to be compressed
Then the raising frequency speed of each raising frequency sub-stage of machine controls compressor and is risen successively according to the raising frequency speed of each raising frequency sub-stage
Frequently.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
Such as vy1<vy2<vy3Deng), then controlling compressor raising frequency in such a way that raising frequency speed is gradually reduced, realize air-conditioning fast-refrigerating
While, ensure that compressor oil return is normal, is gradually reduced process noise, prolongs 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 booting freeze → detect outdoor environment temperature be 40 DEG C → outer wind turbine is calculated according to the first fitting formula
Acceleration aw, the raising frequency speed v of compressor is calculated according to the second fitting formulay, while according to table 1 and table 3, determining steady operation
Frequency fwAperture B → outer wind turbine with electric expansion valve is according to acceleration awQuick raising speed, expansion valve are adjusted to the B of target aperture
When → outer wind turbine raising speed is to maximum (top) speed, compressor is according to raising frequency speed vyCarry out the compressor of quick raising frequency → after a period of time
Reach stable working frequency fwAfter maintain the frequency run, the aperture B of electric expansion valve is adjusted according to table 3, and outer wind turbine turns
Fast rwIt is adjusted according to table 4.
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. the control method of air-conditioning under a kind of refrigeration mode, the air-conditioning includes that compressor, expansion valve and outer wind turbine, feature exist
In the control method includes：
Obtain outdoor environment 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 according to the corresponding pass between the outdoor environment temperature and the acceleration of the outer wind turbine
System determines；Second fitting formula is according to the corresponding pass between the outdoor environment temperature and the raising frequency speed of the compressor
System determines.
2. the control method of air-conditioning under refrigeration mode according to claim 1, which is characterized in that the control method is also wrapped
It 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 under refrigeration mode according to claim 1, which is characterized in that " obtain outdoor environment temperature
After the step of degree ", the control method further includes：
Judge whether the outdoor environment temperature is in preset temperature range；
When the outdoor environment temperature is in the temperature range, according to second fitting formula, the compressor is calculated
In the raising frequency speed in raising frequency stage.
4. the control method of air-conditioning under refrigeration mode according to claim 3, which is characterized in that the control method is also wrapped
It includes：
When the outdoor environment temperature is less than the minimum value of the temperature range, according to second fitting formula, according to institute
State temperature range minimum value calculate the compressor the raising frequency stage raising frequency speed；Or
When the outdoor environment temperature is more than the maximum value of the temperature range, according to second fitting formula, according to institute
State compressor described in the maximum value calculation of temperature range the raising frequency stage raising frequency speed.
5. the control method of air-conditioning under refrigeration mode according to claim 1, which is characterized in that the rotating speed of target is institute
State the maximum (top) speed of outer wind turbine, " in the outer wind turbine according to the acceleration raising speed to the rotating speed of target while, before or
Later, 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 under refrigeration mode according to claim 1, which is characterized in that " controlling the exogenous wind
Machine is according to the acceleration raising speed 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 under refrigeration mode according to claim 1, which is characterized in that the control method is also wrapped
It 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 under refrigeration mode according to any one of claim 1 to 7, which is characterized in that described
The raising frequency stage includes multiple raising frequency sub-stages, and second fitting formula is accordingly fitted subformula including multiple second, " according to
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 under refrigeration mode according to claim 8, which is characterized in that " control the compressor
According to the raising frequency speed carry out raising frequency " the step of further comprise：
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 under refrigeration mode according to claim 1, which is characterized in that the outdoor environment temperature
Degree is proportional with the acceleration of the outer wind turbine；And/or the raising frequency of the outdoor environment temperature and the compressor
Speed is proportional；And/or the raising frequency speed is the arbitrary value in 0.5Hz-30Hz.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984949A (en) * | 2021-03-16 | 2021-06-18 | 长虹美菱股份有限公司 | Noise control method of variable frequency refrigerator |
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