CN110500747A - The control method of air conditioner - Google Patents
The control method of air conditioner Download PDFInfo
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- CN110500747A CN110500747A CN201910815549.9A CN201910815549A CN110500747A CN 110500747 A CN110500747 A CN 110500747A CN 201910815549 A CN201910815549 A CN 201910815549A CN 110500747 A CN110500747 A CN 110500747A
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- environment temperature
- air conditioner
- compressor
- frequency
- control method
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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
- F24F11/62—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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
-
- 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
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
-
- 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)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to air-conditioning technique fields, and in particular to a kind of control method of air conditioner.Present invention seek to address that the length of temperature fall time existing for the running frequency of compressor, the problem of effect difference are adjusted based on outdoor environment temperature in the prior art.For this purpose, control method of the invention includes: to obtain indoor environment temperature T after air conditioner enters the room temp-controled modeiWith outdoor environment temperature To；Judge indoor environment temperature TiWith outdoor environment temperature ToSize；Work as Ti≥ToWhen, it is based on indoor environment temperature Ti, determine the frequency F of compressor；Compressor is controlled with frequency F operation.The temperature difference that the present invention is capable of external environment temperature indoors is larger and indoor environment temperature height can not open a window in the case where ventilation, compressor operating is controlled in higher frequency by determinating reference of indoor environment temperature, to guarantee the refrigeration effect of air conditioner, shorten temperature fall time, improves user experience.
Description
Technical field
The present invention relates to air-conditioning technique fields, and in particular to a kind of control method of air conditioner.
Background technique
With the continuous improvement of quality of life, people are also higher and higher to the functional requirement of household electrical appliance.By taking air-conditioning as an example,
Compared to air-conditioner with fixed frequency, since transducer air conditioning has an advantages such as control precision height, little power consumption, noise be small, more by
People are favored.
In existing transducer air conditioning, the running frequency of compressor is to work as room according to being controlled with outdoor environment temperature
When external environment temperature is high, the running frequency of compressor is relatively high, when outdoor environment temperature is low, the running frequency meeting of compressor
It is limited in a lower frequency.But this control mode does not consider the temperature in room, thus when air conditioner works without
Method is targetedly adjusted for indoor environment temperature.For example, a bad environments and the preferable factory of heat insulation effect
Temperature in room is 30 DEG C, and outdoor environment temperature is only 20 DEG C, and due to there is the polluted gas such as dust to be not suitable for out in workshop
Window ventilation, at this time if still controlling press frequency by outdoor environment temperature, often frequency reducing is run press, so as to cause in workshop
Cooling time is long, effect is poor, and user experience is very bad, easily causes customer complaint.
Correspondingly, this field needs a kind of control method of new air conditioner to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve to adjust in the prior art based on outdoor environment temperature
The length of temperature fall time existing for the running frequency of compressor, the problem of effect difference, the present invention provides a kind of controlling parties of air conditioner
Method, the air conditioner include compressor, and the control method includes:
After the air conditioner enters the room temp-controled mode, indoor environment temperature T is obtainediWith outdoor environment temperature To；
Judge the indoor environment temperature TiWith the outdoor environment temperature ToSize；
Work as Ti> ToWhen, it is based on the indoor environment temperature Ti, determine the frequency F of the compressor；
The compressor is controlled to run with the frequency F.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " it is based on the indoor environment temperature Ti, determine institute
The step of stating the frequency F " of compressor further comprises:
Work as Ti≥T1When, determine the frequency F=F of the compressor1；
Work as T1> Ti≥T2When, determine the frequency F=F of the compressor2；
Work as T2> Ti≥T3When, determine the frequency F=F of the compressor3；
Wherein, T1For the first default environment temperature, T2For the second default environment temperature, T3Environment temperature is preset for third, and
T1> T2> T3；
Wherein, F1For the first predeterminated frequency, F2For the second predeterminated frequency, F3For third predeterminated frequency, and F1> F2> F3。
In the optimal technical scheme of the control method of above-mentioned air conditioner, the control method further include:
Work as Ti< T3When, it controls the air conditioner and exits the room temperature control model, and be based on the outdoor environment temperature
Spend ToDetermine the frequency F of the compressor.
The air conditioner described in the optimal technical scheme of the control method of above-mentioned air conditioner further includes outer blower, works as Ti≥To
When, the control method further include:
Based on the indoor environment temperature Ti, determine the revolving speed R of the outer blower.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " it is based on the indoor environment temperature Ti, determine institute
The step of stating the revolving speed R " of outer blower further comprises:
Work as Ti≥T1When, determine the revolving speed R=R of the outer blower1；
Work as T1> Ti≥T2When, determine the revolving speed R=R of the outer blower2；
Work as T2> Ti≥T3When, determine the revolving speed R=R of the outer blower3；
Wherein, R1For the first preset rotation speed, R2For the second preset rotation speed, R3For third preset rotation speed, and R1> R2> R3。
In the optimal technical scheme of the control method of above-mentioned air conditioner, the air conditioner further includes electric expansion valve, when
Ti≥ToWhen, the control method further include:
Based on the indoor environment temperature Ti, determine the aperture X of the electric expansion valve.
In the optimal technical scheme of the control method of above-mentioned air conditioner, " it is based on the indoor environment temperature Ti, determine institute
The step of stating the aperture X " of electric expansion valve further comprises:
Work as Ti≥T1When, determine the aperture X=X of the electric expansion valve1；
Work as T1> Ti≥T2When, determine the aperture X=X of the electric expansion valve2；
Work as T2> Ti≥T3When, determine the aperture X=X of the electric expansion valve3；
Wherein, X1For the first default aperture, X2For the second default aperture, X3Aperture, and X are preset for third1< X2< X3。
In the optimal technical scheme of the control method of above-mentioned air conditioner, the control method further include:
Receive the instruction that the frequency of the compressor is controlled based on indoor environment temperature；
Based on described instruction, the air conditioner is controlled into the room temperature control model.
In the optimal technical scheme of the control method of above-mentioned air conditioner, the control method further include:
Work as Ti< ToWhen, it controls the air conditioner and exits the room temperature control model, and be based on the outdoor environment temperature
Spend ToDetermine the frequency F of the compressor.
The present invention also provides a kind of control method of air conditioner, the air conditioner includes compressor, outer blower and electronics
Expansion valve, which is characterized in that the control method includes:
Receive the instruction that the frequency of the compressor is controlled based on indoor environment temperature；
Based on described instruction, controls the air conditioner and enter the room temp-controled mode；
After the air conditioner enters the room temperature control model, indoor environment temperature T is obtainediWith outdoor environment temperature
Spend To；
Judge the indoor environment temperature TiWith the outdoor environment temperature ToSize；
Work as Ti≥ToWhen, it is based on the indoor environment temperature Ti, determine the frequency F of the compressor, turn of the outer blower
The aperture X of fast R and the electric expansion valve；
It controls that the compressor is run with the frequency F, the outer blower is run with the revolving speed R, adjusts the electronics
The aperture of expansion valve is to the aperture X.
It will be appreciated to those of skill in the art that air conditioner includes compressor in the preferred technical solution of the present invention,
Control method includes: to obtain indoor environment temperature T after air conditioner enters the room temp-controled modeiAnd outdoor environment temperature
To；Judge indoor environment temperature TiWith outdoor environment temperature ToSize；Work as Ti≥ToWhen, it is based on indoor environment temperature Ti, determine
The frequency F of compressor；Compressor is controlled with frequency F operation.
By after air conditioner enters the room temp-controled mode, comparing the big of indoor environment temperature and outdoor environment temperature
It is small, it is of the invention based on indoor environment temperature into the frequency of control compressor when environment temperature is greater than outdoor environment temperature indoors
The control method temperature difference that can be less than indoor environment temperature, particularly external environment temperature indoors in outdoor environment temperature it is larger
And indoor environment temperature height can not open a window in the case where ventilation, control compressor operating by determinating reference of indoor environment temperature
In higher frequency, to guarantee the refrigeration effect of air conditioner, shortens temperature fall time, improve user experience.
Further, by being also based on indoor environment while controlling the frequency of compressor based on indoor environment temperature
Temperature controls the revolving speed of outer blower and the aperture of electric expansion valve, and the control method of the application can also make the revolving speed of outer blower
It is adapted with the aperture of electric expansion valve with the frequency of compressor, so that air conditioner be made to reach optimum Working, further mentions
High refrigeration effect.
Further, when being less than the default environment temperature of third by environment temperature indoors or be less than outdoor environment temperature,
Control air conditioner exits room temperature control model, and the frequency of compressor is determined based on outdoor environment temperature, so that air conditioner
Room temperature control model and it is existing by outdoor environment temperature control compressor frequency refrigeration mode it is complimentary to one another, from
And improve the applicability of air conditioner.
Detailed description of the invention
The control method of air conditioner of the invention described with reference to the accompanying drawings.In attached drawing:
Fig. 1 is the flow chart of the control method of air conditioner of the invention；
Fig. 2 is a kind of logic chart of specific embodiment of the control method of air conditioner of the invention；
Fig. 3 is the logic chart of another specific embodiment of the control method of air conditioner of the invention.
Specific embodiment
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 technical principle of the invention, it is not intended that limit the scope of the invention.For example, following
Although each step is described in the way of above-mentioned precedence in embodiment, those skilled in the art can be with
Understand, in order to realize the effect of the present embodiment, is executed between different steps not necessarily in such order, it can be simultaneously
(parallel) execution is executed with reverse order, these simple variations are all within protection scope of the present invention.
It is a primary object of the present invention to by taking indoor environment temperature as the frequency according to control compressor, to overcome
It is in the prior art low, temperature fall time according to refrigerating efficiency caused by the frequency for controlling compressor by outdoor environment temperature
Slowly, the defect of poor user experience.Specifically, in the prior art, the running frequency of usual compressor is with outdoor environment temperature
As control foundation, when outdoor environment temperature is high, the running frequency of compressor is relatively high, when outdoor environment temperature is low,
The running frequency of compressor will be limited in lower level.But if encounter room temperature it is higher and be not suitable for open a window
When the mode of ventilation is come the case where reducing room temperature, opening operation of air conditioner refrigeration will will lead to that refrigerating efficiency is low, room temperature
Under the problems such as slowing down.And the application is by under suitable condition, specially room temperature is higher but when outdoor temperature is lower, with
It is higher can to guarantee that compressor maintains as the foundation for determining compressor operating frequency, control compressor operation for room temperature
Frequency operation, achieve the purpose that fast-refrigerating, improve user experience.With reference to the accompanying drawings to control method of the invention make into
One step explanation.
With reference first to Fig. 1, the control method of air conditioner of the invention is described.Wherein, Fig. 1 is air-conditioning of the invention
The flow chart of the control method of device.As shown in Figure 1, to solve the above problems, the air conditioner of the application mainly includes compressor, steams
Device, condenser, inner blower, the mechanical, electrical sub- expansion valve of exogenous wind etc. are sent out, compressor, condenser, electric expansion valve and evaporator successively connect
Composition circulation loop is connect, inner blower and outer blower are arranged respectively on condenser and evaporator.The control method of air conditioner is main
The following steps are included:
S100, after air conditioner enters the room temp-controled mode, obtain indoor environment temperature TiAnd outdoor environment temperature
To；For example, temperature control function key (Indoor Temperature Control, the letter in addition room on air-conditioning remote control
Claim ITC key), when user feels that room temperature is higher, by press ITC key to air conditioner send the commands to make air-conditioning into
Enter indoor temp-controled mode (following or abbreviation ITC mode), air conditioner enters ITC mode upon receipt of the instructions, and obtains
Indoor environment temperature TiWith outdoor environment temperature To, as passed through the temperature sensor or temperature-sensitive in setting indoors machine and outdoor unit
The temperature-measuring elements such as packet obtain the temperature of indoor and outdoor.Wherein, room temperature control model refers in this application with indoor environment
Temperature is as according to the frequency for determining compressor and with the operating mode for the frequency control compressor operation determined.
S200, judge indoor environment temperature TiWith outdoor environment temperature ToSize；For example, getting indoor environment temperature
Spend TiWith outdoor environment temperature ToAfterwards, the size both compared first, successively come judge current indoor external environment temperature if appropriate for
Into ITC mode.
S300, work as Ti> ToWhen, it is based on indoor environment temperature Ti, determine otherwise the frequency F of compressor exits room temperature
Control model, and it is based on outdoor environment temperature ToDetermine the frequency F of compressor；For example, working as Ti< ToWhen, it was demonstrated that indoor ring at this time
Border temperature be less than outdoor environment temperature, according to ordinary control mode can guarantee compressor operating in higher working frequency,
Therefore control air conditioner is exited ITC mode and according to the conventional frequency F for being determined compressor based on outdoor environment temperature at this time.When
Ti> ToWhen, it was demonstrated that indoor environment temperature is greater than outdoor environment temperature at this time, if according to ordinary control mode, with outdoor environment
Foundation of the temperature as control compressor frequency, it is too low to may result in compressor frequency, poor refrigerating efficiency, therefore is suitable at this time
ITC mode is opened, using indoor environment temperature as according to the frequency F for determining compressor.Such as, environment temperature is 35 DEG C indoors
When, determine that the frequency of compressor is 80Hz etc..
S400, control compressor are with frequency F operation；For example, in the frequency F for determining compressor according to indoor environment temperature
Afterwards, control compressor is with frequency F operation, to achieve the purpose that fast-refrigerating cools down.
By after air conditioner enters the room temp-controled mode, comparing the big of indoor environment temperature and outdoor environment temperature
It is small, it is of the invention based on indoor environment temperature into the frequency of control compressor when environment temperature is greater than outdoor environment temperature indoors
The control method temperature difference that can be less than indoor environment temperature, particularly external environment temperature indoors in outdoor environment temperature it is larger
And indoor environment temperature height can not open a window in the case where ventilation, control compressor operating by determinating reference of indoor environment temperature
In higher frequency, to guarantee the refrigeration effect of air conditioner, shortens temperature fall time, improve user experience.
In a kind of more preferred embodiment, step S300 further comprises:
Work as Ti≥T1When, determine the frequency F=F of compressor1；Work as T1> Ti≥T2When, determine the frequency F=F of compressor2；
Work as T2> Ti≥T3When, determine the frequency F=F of compressor3；Work as Ti< T3When, control air conditioner exits ITC mode, and is based on room
External environment temperature ToDetermine the frequency F of compressor.Wherein, T1For the first default environment temperature, T2For the second default environment temperature,
T3Environment temperature, and T are preset for third1> T2> T3；Wherein, F1For the first predeterminated frequency, F2For the second predeterminated frequency, F3It is
Three predeterminated frequencies, and F1> F2> F3。
For example, T1=40 DEG C, T2=30 DEG C, T3=25 DEG C, F1=80Hz, F2=50Hz, F3=30Hz.Work as Ti≥40
DEG C when, it was demonstrated that current indoor temperature is high, needs fast-refrigerating, is otherwise likely to security risk occur, controls compressor at this time
With the high-frequency work of 80Hz, the refrigerant pressure of air-conditioning system can be improved, to improve heat transfer rate and heat transfer effect, reach fast
The purpose of speed refrigeration.As 40 DEG C of > TiAt >=30 DEG C, it was demonstrated that current indoor temperature is higher, needs with faster speed system
It is cold, so that room temperature drops to more comfortable range, compressor is controlled at this time and is worked with the medium-high frequency of 50Hz, can be improved
The refrigerant pressure of air-conditioning system improves the refrigeration effect of air conditioner, reduces indoor environment temperature with faster speed.As 30 DEG C of >
TiAt >=25 DEG C, it was demonstrated that current indoor environment temperature need to only properly increase compressor already close to more comfortable range at this time
Running frequency room temperature lowering to comfortable temperature can be controlled compressor with the low frequency operation of 30Hz, so that indoor at this time
Temperature plateau drops to comfortable range, guarantees indoor comfort level.Work as TiAt 25 DEG C of <, it was demonstrated that it is indoor at this time be in compared with
For comfortable temperature range, there is no need to the work of ITC mode, control air conditioner exits ITC mode at this time, and to pass through room again
External environment temperature determines the conventional operating mode operation of the frequency of compressor.
It is worked by controlling compressor in different indoor temperature ranges with different frequencies, interior can be made with different drops
Warm speed drops to more comfortable temperature range, guarantees refrigeration effect and cooling rate, can give under various temperature conditions
User is with optimal experience.When being less than the default environment temperature of third by environment temperature indoors or be less than outdoor environment temperature,
Control air conditioner exits ITC mode, and the frequency of compressor is determined based on outdoor environment temperature, so that the room temperature of air conditioner
Control model and the existing refrigeration mode for controlling compressor frequency by outdoor environment temperature are complimentary to one another, to improve air-conditioning
The applicability of device.
Certainly, above-mentioned T1-T3、F1-F3Specific value and segmented mode it is exemplary only, those skilled in the art
Above-mentioned numerical value can be reasonably adjusted, so that this control method can be suitable for more specifical application scenarios.For example, this
Temperature in the light of actual conditions can also be divided into four or five temperature sections by field technical staff, or only be divided into two
A temperature section etc..Particularly, in above-mentioned numerical value, T3Value it is more special, value directly determine indoor environment temperature relax
Suitable degree.It is generally believed that indoor environment temperature, at 26 DEG C or so, room temperature is more suitable, and therefore, T3Value range exist
26 DEG C or so fluctuations are advisable.
In a kind of more preferred embodiment, work as Ti≥ToWhen, the control method of air conditioner further include: based on interior
Environment temperature Ti, determine the revolving speed R of outer blower and the aperture X of electric expansion valve.Specifically, working as Ti≥T1When, determine outer blower
Revolving speed R=R1, electric expansion valve aperture X=X1；Work as T1> Ti≥T2When, determine the revolving speed R=R of outer blower2, electronic expansion
The aperture X=X of valve2；Work as T2> Ti≥T3When, determine the revolving speed R=R of outer blower3, electric expansion valve aperture X=X3；Wherein,
R1For the first preset rotation speed, R2For the second preset rotation speed, R3For third preset rotation speed, and R1> R2> R3, X1< X2< X3。
For example, still with above-mentioned T1=40 DEG C, T2=30 DEG C, T3=25 DEG C, F1=80Hz, F2=50Hz, F3=30Hz
For, R can be enabled1=1000r/min, R2=600r/min, R3=400r/min, enables X1=100P (step), X2=150P, X3=
200P.Work as TiAt >=40 DEG C, compressor, at this time if it is intended to achieving the purpose that fast-refrigerating, is needed with the high-frequency work of 80Hz
The heat exchange amount for accelerating condenser, reduces the phase transition temperature of refrigerant, controls outer blower at this time and is run with the high revolving speed of 1000r/min,
And the small guide vane of electric expansion valve to 100P is adjusted, thus to meet the condition of fast-refrigerating.As 40 DEG C of > TiAt >=30 DEG C,
Compressor is worked with the medium-high frequency of 50Hz, at this time if it is desired to faster speed reduces indoor environment temperature, needs to control outer blower
Match with the parameter of electric expansion valve, controls outer blower at this time and run with revolving speed high in 600r/min, and adjust electronics
Expansion valve to 150P middle aperture, thus to meet current cryogenic conditions.As 30 DEG C of > TiAt >=25 DEG C, compressor is with 30Hz
Low frequency operation guarantee indoor comfort level to make room temperature steadily drop to comfortable range, need suitably to reduce exogenous wind
The revolving speed of machine improves the aperture of electric expansion valve, controls outer blower at this time and is run with the slow-speed of revolution of 400r/min, adjustment electronics is swollen
Swollen valve can satisfy the condition steadily to cool down to the larger opening of 200P.
By also being controlled based on indoor environment temperature outer while controlling the frequency of compressor based on indoor environment temperature
The control method of the revolving speed of blower and the aperture of electric expansion valve, the application can also make the revolving speed and electronic expansion of outer blower
The aperture of valve is adapted with the frequency of compressor, so that air conditioner be made to reach optimum Working, further increases refrigeration effect.
Certainly, R1-R3, X1-X3Specific value be also merely exemplary, those skilled in the art can be based on practical
Application scenarios are adjusted it.In addition, those skilled in the art, which will also be appreciated that, is adjusting the same of the frequency of compressor
When, the adjustment of the aperture of the revolving speed and electric expansion valve of outer blower is not necessary, and those skilled in the art can also only adjust
One in whole outer blower and electric expansion valve or the two do not adjust, and the change of this embodiment is without deviating from this hair
Bright principle, therefore will also fall into the protection scope of the application.
Referring to Fig. 2, a kind of specific embodiment of the control method of air conditioner of the invention is described.
As shown in Fig. 2, in a kind of possible control mode:
(1) user is issued to air conditioner by way of pressing the ITC key on remote controler and is instructed, and air conditioner receives instruction
And enter ITC mode；
(2) air conditioner control is located at the temperature sensor detection indoor environment temperature T on indoor unit and outdoor unitiThe outdoor and
Environment temperature To, and compare the size of the two；
(3) work as Ti> ToWhen invalid, air conditioner directly exits ITC mode, and according to ordinary control mode according to outdoor ring
Border temperature ToSize determine the frequency F of compressor, be then based on frequency F control compressor operation；Work as Ti> ToWhen establishment,
Air conditioner further judges indoor environment temperature TiWith the first default environment temperature T1Size；
(4) work as Ti≥T1When establishment, the frequency F=80Hz of compressor, revolving speed R=1000r/min, the electricity of outer blower are determined
Then the aperture X=100P of sub- expansion valve controls air conditioner and runs according to above-mentioned parameter, and obtains room again after being spaced 3min
Interior environment temperature is compared；Work as Ti> T1When invalid, further compare indoor environment temperature TiWith the first default environment temperature
T1With the second default environment temperature T2Size；
(5) work as T1> Ti≥T2When establishment, determine compressor frequency be 50Hz, outer blower revolving speed R=600r/min,
Then the aperture X=150P of electric expansion valve controls air conditioner and runs according to above-mentioned parameter, and obtains again after being spaced 3min
Indoor environment temperature is compared；Work as T1> Ti≥T2When invalid, further compare indoor environment temperature and the second default environment
Temperature T2Environment temperature T is preset with third3Size；
(6) work as T2> Ti≥T3When establishment, determine compressor frequency be 30Hz, outer blower revolving speed R=400r/min,
Then the aperture X=200P of electric expansion valve controls air conditioner and runs according to above-mentioned parameter, and obtains again after being spaced 3min
Indoor environment temperature is compared；Work as T2> Ti≥T3When invalid, then T is provedi< T3, room temperature has been in or has been reduced to more
Suitable temperature directly exits ITC mode at this time, waits open user's next time.
Referring to Fig. 3, another specific embodiment of the invention is described.
As shown in figure 3, in alternatively possible control mode:
(1) user is issued to air conditioner by way of pressing the ITC key on remote controler and is instructed, and air conditioner receives instruction
And enter ITC mode；
(2) air conditioner control is located at the temperature sensor detection indoor environment temperature T on indoor unit and outdoor unitiThe outdoor and
Environment temperature To, and whether the difference both compared is greater than preset difference value △ T, determines that room temperature is higher and indoor and outdoor with this
The temperature difference is larger；
(3) work as Ti-ToWhen >=△ T is invalid, it was demonstrated that the temperature difference is little at this time, according to outdoor environment temperature adjustment compressor
Frequency is feasible, and air conditioner directly exits ITC mode at this time, and according to ordinary control mode according to outdoor environment temperature To's
Size determines the frequency F of compressor, is then based on frequency F control compressor operation；Work as Ti-ToWhen >=△ T is set up, it was demonstrated that room
Interior temperature is higher and indoor/outdoor temperature-difference is larger, and air conditioner judges indoor environment temperature T simultaneously at this timeiWith the first default environment temperature
T1, the second default environment temperature T2And third presets environment temperature T3Size；
(4) work as Ti≥T1When establishment, the frequency F=80Hz of compressor, revolving speed R=1000r/min, the electricity of outer blower are determined
Then the aperture X=100P of sub- expansion valve controls air conditioner and runs according to above-mentioned parameter, and obtains room again after being spaced 3min
Interior environment temperature is compared；
(5) work as T1> Ti≥T2When establishment, determine compressor frequency be 50Hz, outer blower revolving speed R=600r/min,
Then the aperture X=150P of electric expansion valve controls air conditioner and runs according to above-mentioned parameter, and obtains again after being spaced 3min
Indoor environment temperature is compared；
(6) work as T2> Ti≥T3When establishment, determine compressor frequency be 30Hz, outer blower revolving speed R=400r/min,
Then the aperture X=200P of electric expansion valve controls air conditioner and runs according to above-mentioned parameter, and obtains again after being spaced 3min
Indoor environment temperature is compared；
(7) work as Ti< T3When establishment, it was demonstrated that indoor environment temperature has been in or has been reduced to more suitable range, at this time
ITC mode is directly exited, waits open user's next time.
It should be noted that although the above-detailed detailed step of the method for the present invention, without departing from this hair
Under the premise of bright basic principle, those skilled in the art can be combined above-mentioned steps, be split and reversed order, so
Modified technical solution does not change basic conception of the invention, therefore also falls within protection scope of the present invention.
Those skilled in the art should be able to recognize that, side described in conjunction with the examples disclosed in the embodiments of the present disclosure
Method step, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate electronic hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is executed actually with electronic hardware or software mode, specific application and design constraint depending on technical solution.
Those skilled in the art can use different methods to achieve the described function each specific application, but this reality
Now it should not be considered as beyond the scope of the present invention.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution 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 embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of control method of air conditioner, the air conditioner include compressor, which is characterized in that the control method includes:
After the air conditioner enters the room temp-controled mode, indoor environment temperature T is obtainediWith outdoor environment temperature To；
Judge the indoor environment temperature TiWith the outdoor environment temperature ToSize；
Work as Ti> ToWhen, it is based on the indoor environment temperature Ti, determine the frequency F of the compressor；
The compressor is controlled to run with the frequency F.
2. the control method of air conditioner according to claim 1, which is characterized in that " be based on the indoor environment temperature Ti,
The step of determining the frequency F " of the compressor further comprises:
Work as Ti≥T1When, determine the frequency F=F of the compressor1；
Work as T1> Ti≥T2When, determine the frequency F=F of the compressor2；
Work as T2> Ti≥T3When, determine the frequency F=F of the compressor3；
Wherein, T1For the first default environment temperature, T2For the second default environment temperature, T3Environment temperature, and T are preset for third1>
T2> T3；
Wherein, F1For the first predeterminated frequency, F2For the second predeterminated frequency, F3For third predeterminated frequency, and F1> F2> F3。
3. the control method of air conditioner according to claim 2, which is characterized in that the control method further include:
Work as Ti< T3When, it controls the air conditioner and exits the room temperature control model, and be based on the outdoor environment temperature To
Determine the frequency F of the compressor.
4. the control method of air conditioner according to claim 2, which is characterized in that the air conditioner further includes outer blower,
Work as Ti≥ToWhen, the control method further include:
Based on the indoor environment temperature Ti, determine the revolving speed R of the outer blower.
5. the control method of air conditioner according to claim 4, which is characterized in that " be based on the indoor environment temperature Ti,
The step of determining the revolving speed R " of the outer blower further comprises:
Work as Ti≥T1When, determine the revolving speed R=R of the outer blower1；
Work as T1> Ti≥T2When, determine the revolving speed R=R of the outer blower2；
Work as T2> Ti≥T3When, determine the revolving speed R=R of the outer blower3；
Wherein, R1For the first preset rotation speed, R2For the second preset rotation speed, R3For third preset rotation speed, and R1> R2> R3。
6. the control method of air conditioner according to claim 2, which is characterized in that the air conditioner further includes electronic expansion
Valve works as Ti≥ToWhen, the control method further include:
Based on the indoor environment temperature Ti, determine the aperture X of the electric expansion valve.
7. the control method of air conditioner according to claim 6, which is characterized in that " be based on the indoor environment temperature Ti,
The step of determining the aperture X " of the electric expansion valve further comprises:
Work as Ti≥T1When, determine the aperture X=X of the electric expansion valve1；
Work as T1> Ti≥T2When, determine the aperture X=X of the electric expansion valve2；
Work as T2> Ti≥T3When, determine the aperture X=X of the electric expansion valve3；
Wherein, X1For the first default aperture, X2For the second default aperture, X3Aperture, and X are preset for third1< X2< X3。
8. the control method of air conditioner according to claim 1, which is characterized in that the control method further include:
Receive the instruction that the frequency of the compressor is controlled based on indoor environment temperature；
Based on described instruction, the air conditioner is controlled into the room temperature control model.
9. the control method of air conditioner according to claim 1, which is characterized in that the control method further include:
Work as Ti< ToWhen, it controls the air conditioner and exits the room temperature control model, and be based on the outdoor environment temperature To
Determine the frequency F of the compressor.
10. a kind of control method of air conditioner, the air conditioner includes that compressor, outer blower and electric expansion valve, feature exist
In the control method includes:
Receive the instruction that the frequency of the compressor is controlled based on indoor environment temperature；
Based on described instruction, controls the air conditioner and enter the room temp-controled mode；
After the air conditioner enters the room temperature control model, indoor environment temperature T is obtainediWith outdoor environment temperature To；
Judge the indoor environment temperature TiWith the outdoor environment temperature ToSize；
Work as Ti≥ToWhen, it is based on the indoor environment temperature Ti, determine the frequency F of the compressor, the revolving speed R of the outer blower
And the aperture X of the electric expansion valve；
It controls that the compressor is run with the frequency F, the outer blower is run with the revolving speed R, adjusts the electronic expansion
The aperture of valve is to the aperture X.
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