CN108397878A - The control method of air-conditioning under heating mode - Google Patents
The control method of air-conditioning under heating mode Download PDFInfo
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- CN108397878A CN108397878A CN201810277480.4A CN201810277480A CN108397878A CN 108397878 A CN108397878 A CN 108397878A CN 201810277480 A CN201810277480 A CN 201810277480A CN 108397878 A CN108397878 A CN 108397878A
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air-conditioning technical fields, and in particular to the control method of air-conditioning under a kind of heating 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 fitting formula, raising frequency speed of the calculating compressor in the raising frequency stage；It controls compressor and carries out raising frequency according to raising frequency speed；Wherein, fitting formula is determined according to the correspondence between outdoor environment temperature and the raising frequency speed of compressor, and the raising frequency speed of outdoor environment temperature and compressor is inversely.By predefining fitting formula, then according to fitting formula calculate compressor the raising frequency stage raising frequency speed, and then control compressor and carry out raising frequency according to raising frequency speed, the control method of air-conditioning can improve the universality of air-conditioning under heating 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 heating 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 quickly heats 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 was quickly heated in booting
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 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 quickly heated.Although above-mentioned control method
It solves the problems, such as that quick heating effect is poor in the prior art to a certain extent, but is also inevitably present following defect：
First, not all user quickly heats after being required for air-conditioning to be switched on, nor being suitable under all environmental conditions quickly
Heating, 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 heating 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 heating mode, the air-conditioning includes
Compressor, expansion valve and outer wind turbine, the control method include：
Obtain outdoor environment temperature；
According to fitting formula, calculate the compressor the raising frequency stage raising frequency speed；
It controls the compressor and carries out raising frequency according to the raising frequency speed；
Wherein, the fitting formula is according to corresponding between the outdoor environment temperature and the raising frequency speed of the compressor
Relationship determines, and the raising frequency speed of the outdoor environment temperature and the compressor is inversely.
Under above-mentioned heating 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.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the stable working frequency is according to room
The correspondence of external environment temperature and stable working frequency determines.
Under above-mentioned heating 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 the fitting formula, the compressor is calculated
In the raising frequency speed in raising frequency stage.
Under above-mentioned heating 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 the 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 the fitting formula, according to institute
State compressor described in the maximum value calculation of temperature range the raising frequency stage raising frequency speed.
Under above-mentioned heating 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 heating 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 rotating speed of the outer wind turbine
System adjusts the rotating speed of the outer wind turbine.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the raising frequency stage includes multiple liters
Frequency sub-stage, the fitting formula include accordingly multiple fitting subformulas, " according to fitting formula, calculate the compressor and exist
The raising frequency speed in raising frequency stage " further comprises：
According to each fitting subformula, the raising frequency speed of each raising frequency sub-stage of compressor is calculated separately.
Under above-mentioned heating 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：
Control raising frequency speed continuous raising frequency of the compressor according to each raising frequency sub-stage.
Under above-mentioned heating mode in the optimal technical scheme of the control method of air-conditioning, the raising frequency speed is 0.5Hz-
Arbitrary value in 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 heating mode
Control method includes：Obtain outdoor environment temperature；According to fitting formula, raising frequency speed of the calculating compressor in the raising frequency stage；Control
Compressor processed carries out raising frequency according to raising frequency speed；Wherein, fitting formula is according to the raising frequency speed of outdoor environment temperature and compressor
Between correspondence determine that and the raising frequency speed of outdoor environment temperature and compressor is inversely.By predefining
Then fitting formula calculates raising frequency speed of the compressor in the raising frequency stage according to fitting formula, and then control compressor according to liter
Frequency speed carries out raising frequency, and the control method of air-conditioning can improve the universality of air-conditioning under heating mode of the invention, improves user
Usage experience.
Specifically, the raising frequency speed of outdoor environment temperature and compressor is inversely.It is opposite in outdoor environment temperature
When higher, the sendible temperature of human body is also higher, thus it is from the outside into the room when the hope that is quickly heated of user's control air-conditioning
Prestige is not strong, and the raising frequency at this time according to the calculated compressor of fitting formula is relatively lower speed, and compressor is according to the raising frequency
Speed carries out raising frequency, can reduce noise while ensureing the heating effect of air-conditioning；It is relatively low in outdoor environment temperature
When, the sendible temperature of human body is relatively low, therefore it is from the outside into the room when user there is an urgent need to air-conditionings quickly to be heated, at this time
Raising frequency speed according to the calculated compressor of fitting formula is relatively high, and compressor is according to the quick raising frequency of raising frequency speed, energy
Enough air-conditioning is made quickly to heat, highly shortened the time of heating, good usage experience is brought for user.Also, through invention
People's repetition test, observation, analyzes and compares, in the case where technical solution using the present invention quickly heat, Ke Yixiang
Several times, even decades of times are promoted by the raising frequency speed of air-conditioning for the prior art, realize the jump frequency of air-conditioning.
Description of the drawings
With reference to the accompanying drawings come describe the present invention heating mode under air-conditioning control method.In attached drawing：
Fig. 1 be the present invention heating mode under air-conditioning control method flow diagram；
Fig. 2 be the present invention heating 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 fitting formula of the raising frequency speed of compressor is with v in specific implementation modey=kTao+ b is exemplifies, but this fitting formula
Form it is non-unalterable, those skilled in the art can as needed make adjustment to it, to adapt to specific applied field
It closes.For example, fitting formula can also be vy=kTao+b(0<k<1) 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 heating 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 heating mode, which mainly includes the following steps that：
S100, outdoor environment temperature is obtained, such as after air-conditioning is switched on and selects heating mode, by being arranged in outdoor unit
The mode of temperature sensor obtains outdoor environment temperature；
S200, according to fitting formula, raising frequency speed of the compressor in the raising frequency stage is calculated, if fitting formula is according to outdoor ring
Correspondence between border temperature and the raising frequency speed of compressor determines, and the raising frequency speed of outdoor environment temperature and compressor
Inversely, i.e., outdoor environment temperature is lower, and the raising frequency speed of compressor is faster, and the control system of air-conditioning is according to fitting formula
Calculate the raising frequency speed in compressor raising frequency stage；
S300, control compressor carry out raising frequency, such as after calculating the raising frequency speed of compressor, air-conditioning according to raising frequency speed
Control system control compressor according to the continuous raising frequency of raising frequency speed or continuous raising frequency stage by stage；
S400, 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；
S500, 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 predetermined fitting formula, is then calculated and compressed according to fitting formula
Raising frequency speed of the machine in the raising frequency stage, and then control compressor and carry out raising frequency according to raising frequency speed, under heating mode of the invention
The control method of air-conditioning can improve the universality of air-conditioning, improve the usage experience of user.In other words, the present invention solves existing
The problem that universality is poor existing for the control method of some air-conditionings, user experience is bad, improves the comfort of air-conditioning, improves
User experience.
Referring to Fig. 2, the principle that the present invention is further explained.Wherein, Fig. 2 is air-conditioning under the heating mode of the present invention
The raising frequency speed curve diagram of compressor in control method.
As shown in Fig. 2, 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 inversely in the fitting formula of section, it is preferable that raising frequency speed is
Arbitrary value in 0.5Hz-30Hz.For example, the fitting formula of raising frequency speed can be：vy=kTao+ b, wherein vyIt indicates
The raising frequency speed (Hz/s) of compressor, TaoIndicate outdoor environment temperature (DEG C), k is proportionality coefficient, and b is constant.Fitting formula
Proportionality coefficient k and constant b can be determined as follows：Assuming that outdoor environment temperature TaoValue range be -5-20 DEG C, by
This, enables TaoAt=20 DEG C, raising frequency speed vymin=0.5Hz/s, TaoAt=- 5 DEG C, raising frequency speed vymax=30Hz/s, is acquired, k
=-1.18, b=24.1, therefore vy=-1.18Tao+24.1.After calculating fitting formula, fitting formula is preset in air-conditioning
Control system in, so, after user selects heating mode every time, control system just can be according to the outdoor ring got
Border temperature 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 fitting formula.For example, by room
External environment temperature TaoValue range be divided into three sections (- ∞, -5), [- 5,20] and (20 ,+∞), in the room got
External environment temperature TaoWhen in [- 5,20] this section, using fitting formula vy=kTao+ b calculates raising frequency speed, when outdoor ring
Border temperature TaoWhen in the section (- ∞, -5) or (20 ,+∞), then outdoor environment temperature is equal to -5 and 20 (i.e. humidity provinces respectively
Between [- 5,20] minimum value and maximum value) when raising frequency speed of the raising frequency speed as compressor at this temperature.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 and table 3, in a kind of possible embodiment, preferably to improve the body that user uses air-conditioning
It tests, promotes heating effect, improve the job stability and service life of compressor, the control of air-conditioning under heating mode of the invention
Method can also include the following steps：
According to the correspondence between the aperture of the frequency and electric expansion valve of outdoor environment temperature and compressor, adjustment electricity
The aperture of sub- expansion valve.
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 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.
3 outer rotation speed of fan control table (1) of table
| Tao(℃) | ≤10 | 10-16 | ≥16 |
| rw(r/min) | 1200 | 800 | 400 |
Wherein, TaoRepresent outdoor environment temperature, rwRepresent the rotating speed of outer wind turbine.
By above-mentioned control mode, under heating mode of the invention the advantages of control method of air-conditioning be：By advance
It determines fitting formula, raising frequency speed of the compressor in the raising frequency stage is then calculated according to fitting formula, and then control compressor and press
According to raising frequency speed progress raising frequency, the control method of air-conditioning can improve the universality of air-conditioning under heating mode of the invention, improve
The usage experience of user.Specifically, the raising frequency speed of outdoor environment temperature and compressor is inversely.In outdoor environment temperature
When spending relatively high, the sendible temperature of human body is also higher, thus it is from the outside into the room when user's control air-conditioning quickly made
Heat hope it is not strong, the raising frequency at this time according to the calculated compressor of fitting formula is relatively lower speed, compressor according to
The raising frequency speed carries out raising frequency, can reduce noise while ensureing the heating effect of air-conditioning；It is opposite in outdoor environment temperature
When relatively low, the sendible temperature of human body is relatively low, thus it is from the outside into the room when user there is an urgent need to air-conditionings quickly to be heated,
Raising frequency speed at this time according to the calculated compressor of fitting formula is relatively high, and compressor is risen according to the raising frequency speed
Frequently, air-conditioning can be made quickly to heat, highly shortened the time of heating, good usage experience is brought for user.Pass through room
The parameters such as external environment temperature and compressor operating frequency correspond to the aperture of the stable working frequency, electric expansion valve that determine compressor
And the rotating speed of outer wind turbine, control method of the invention can also provide the fortune to match for compressor in compressor operating
Row environment further increases the working efficiency and job stability of compressor, improves the operational effect of air-conditioning.
Further, through inventor's repetition test, observation is analyzed and is compared and obtains, the oil spitting amount to compressor, electricity are passed through
The aperture of sub- expansion valve, the rotating speed of outer wind turbine and oil-liquid separator etc. are accurately controlled, and are ensureing compressor operating stabilization
Under the premise of, the raising frequency speed of compressor can be controlled steadily in 0.5-30Hz/s, and especially maximum raising frequency speed can reach
To surprising 30Hz/s.And those skilled in the art understand that, the raising frequency speed of compressor is mostly in the prior art
0.5-1Hz/s, few compressors can reach the raising frequency speed of the present invention when keeping steady operation.Thus, it is of the invention
The raising frequency speed of air-conditioning can be promoted several times, even decades of times by air-conditioning compared with the existing technology when quickly being heated, from
And realize the jump frequency of air-conditioning, significantly improve 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 form of fitting formula and the parameter of air-conditioning can be adjusted based on different application scenarios, such as fitting formula
Can also be vy=kTao+b(0<k<1) etc..For another example, the number of temperature range and endpoint value are not unalterable, art technology
Personnel can be adjusted based on practical application scene, the section of [- 5,20] is such as further subdivided into multiple sections, Mei Gequ
Between correspond to different fitting formulas etc..For another example, the aperture of electric expansion valve can also be according to outdoor environment temperature or compressor
Correspondence between frequency and the aperture of electric expansion valve is adjusted, and the rotating speed of outer wind turbine can also be according to outdoor environment temperature
Degree and the correspondence between the frequency and the rotating speed of outer wind turbine of compressor are 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 heating 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 a fitting subformula, and being fitted between subformula can be with
The only difference of coefficient can also be the difference for being fitted subformula.For example, the raising frequency stage of compressor may include three raising frequencies
Sub-stage, the corresponding fitting subformula of each raising frequency sub-stage is respectively vy1=k1Tao+b1、vy2=k2Tao+b2、vy3=k3Tao+
b3.After user selects heating mode, control system calculates accordingly each of compressor according to each fitting subformula respectively
Then the raising frequency speed of raising frequency sub-stage controls raising frequency speed successively raising frequency of the compressor according to each raising frequency sub-stage.Such as meter
The relationship for 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, while realizing that air-conditioning quickly heats, protect
It is normal to demonstrate,prove compressor oil return, is gradually reduced process noise, prolongs the service life.
With reference to Fig. 1 and Fig. 2, 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 heat → detect outdoor environment temperature be -5 DEG C → according to fitting formula, calculate the raising frequency of compressor
Speed vy, while according to table 1, table 2 and table 3, determining stable working frequency fw, expansion valve target aperture B and outer wind turbine rotating speed
rw→ compressor is according to raising frequency speed vyQuick raising frequency is carried out, expansion valve is according to target aperture B valve opening, and outer wind turbine is according to rotating speed rw
Operation → compressor reaches stable working frequency f after a period of timewAfter maintain the frequency run, the aperture of electric expansion valve
B is adjusted according to table 2, the rotating speed r of outer wind turbinewIt 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 heating 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 fitting formula, calculate the compressor the raising frequency stage raising frequency speed；
It controls the compressor and carries out raising frequency according to the raising frequency speed；
Wherein, the fitting formula is according to the correspondence between the outdoor environment temperature and the raising frequency speed of the compressor
It determines, and the raising frequency speed of the outdoor environment temperature and the compressor is inversely.
2. the control method of air-conditioning under heating 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.
3. the control method of air-conditioning under heating mode according to claim 2, which is characterized in that the stable working frequency
It is determined according to the correspondence of outdoor environment temperature and stable working frequency.
4. the control method of air-conditioning under heating 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 the fitting formula, calculates the compressor and rising
The raising frequency speed in frequency stage.
5. the control method of air-conditioning under heating mode according to claim 4, 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 the fitting formula, according to the temperature
Degree section 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 the fitting formula, according to the temperature
Compressor described in the maximum value calculation in section is spent in the raising frequency speed in raising frequency stage.
6. the control method of air-conditioning under heating 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.
7. the control method of air-conditioning under heating 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 rotating speed of the outer wind turbine of the compressor, adjust
The rotating speed of the whole outer wind turbine.
8. the control method of air-conditioning under heating 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 the fitting formula includes accordingly multiple fitting subformulas, " public according to fitting
Formula, calculate the compressor the raising frequency stage raising frequency speed " further comprise：
According to each fitting subformula, the raising frequency speed of each raising frequency sub-stage of compressor is calculated separately.
9. the control method of air-conditioning under heating 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：
Control raising frequency speed continuous raising frequency of the compressor according to each raising frequency sub-stage.
10. the control method of air-conditioning under heating mode according to claim 1, which is characterized in that the raising frequency speed is
Arbitrary value in 0.5Hz-30Hz.
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