CN106288179A - A kind of control method for air-conditioning, device and air-conditioning - Google Patents
A kind of control method for air-conditioning, device and air-conditioning Download PDFInfo
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- CN106288179A CN106288179A CN201610664546.6A CN201610664546A CN106288179A CN 106288179 A CN106288179 A CN 106288179A CN 201610664546 A CN201610664546 A CN 201610664546A CN 106288179 A CN106288179 A CN 106288179A
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
-
- 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
-
- 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
- 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
- F24F11/80—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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- 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)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control method for air-conditioning, device and air-conditioning, control method includes: obtain setting humidity and the ambient humidity of indoor of indoor set；Calculate the humidity differences of described setting humidity and ambient humidity, humidity differences is carried out ratio with default psychrometric difference interval respectively and mates, generate matching result；According to matching result, the blower fan controlling multiple heat exchange blowing unit runs with low wind shelves and/or apoplexy shelves and improves the aperture of expansion valve.The control method of the present invention can be when operation of air conditioner refrigeration and dehumidification mode, according to the humidity condition of indoor environment, by the corresponding expansion valve opening of the different air outlet of regulation, enables air-conditioning to meet user to refrigeration and the target requirement of dehumidifying isotype simultaneously.
Description
Technical field
The present invention relates to air-conditioning technical field, particularly relate to a kind of control method for air-conditioning, device and air-conditioning.
Background technology
Air-conditioning products currently on the market the most only arranges a set of blood circulation, only arranges single quantity in this blood circulation
Vaporizer, condenser, the critical piece such as expansion valve, freeze and the air conditioning function such as dehumidifying be required for relying on this set blood circulation complete
Become, actually used during, existing air-conditioning products cannot reach refrigeration and the optimum operation shape of multiple functions such as dehumidifying simultaneously
State, as very poor in air conditioning system its refrigeration in dehumidification process, refrigeration time effective when again cannot meet dehumidifying institute
Cannot meet the when of the temperature conditions needed, indoor temperature is on the low side high humidity not only dry the requirement do not freezed but also dehumidify or temperature high
The problem such as refrigeration cool-down and dehumidifying simultaneously cannot be quickly met the when of high humidity.
Meanwhile, in the indoor environment relatively big in scope, area is wider, there are differences again between the user in zones of different
Refrigeration or dehumidification requirements, the air-conditioning products of existing simple subprogram system tends not to meet above-mentioned use demand.
Summary of the invention
The technical problem to be solved is: provide a kind of control method for air-conditioning, device and air-conditioning, it is possible to
Meet dehumidifying temperature requirements during operation of air conditioner dehumidification mode.
The present invention solves above-mentioned technical problem and be the technical scheme is that
The invention provides a kind of control method for air-conditioning, the indoor set of air-conditioning include multiple heat exchange blowing unit with
And from the multiple air outlets towards different air-supply regions, heat exchange blowing unit is identical with air outlet quantity and one_to_one corresponding, each
Heat exchange blowing unit includes heat exchanger, blower fan, expansion valve and is arranged at the wind deflector on corresponding air outlet, the rotating speed shelves of blower fan
Position at least includes high wind shelves, apoplexy shelves and low wind shelves, and off-premises station includes that compressor, control method include: obtain setting of indoor set
Determine the ambient humidity of humidity and indoor；Calculate the humidity differences of described setting humidity and ambient humidity, by humidity differences respectively
Carry out ratio with default psychrometric difference interval to mate, generate matching result；According to matching result, control multiple heat exchange blowing unit
Blower fan runs with low wind shelves and/or apoplexy shelves and improves the aperture of expansion valve.
Further, according to matching result, the blower fan controlling multiple heat exchange blowing unit is transported with low wind shelves and/or apoplexy shelves
The process of the aperture gone and improve expansion valve includes: as △ RH >=rh1, and the blower fan controlling heat exchange blowing unit is right with low wind shelves
The the first rotating speed R1 answered runs, and improves the aperture of expansion valve to K1；As rh2≤△ RH ＜ rh1, control heat exchange blowing unit
Blower fan run with the first rotating speed R1 that the second rotating speed R2 corresponding to apoplexy shelves and/or low wind shelves are corresponding, and improve expansion valve
Aperture is to K2；Wherein, △ RH is humidity differences, rh1 and rh2 is the threshold value that default psychrometric difference is interval, R1 ＜ R2, K1 ＜ K2,
Rh1 ＞ rh2.
Further, control method also includes: as △ RH ＜ rh2, control the blower fan of at least one heat exchange blowing unit
Running with the second rotating speed R2 that apoplexy shelves are corresponding, by least one, other heat exchange blowing unit is set to continuous-mode or disconnected
Discontinuous Conduction mode is blown.
Further, control method includes: preset the corresponding relation between psychrometric difference interval and the raising frequency speed of compressor；
With the maximum frequency of operation of compressor as the upper limit, according to matching result and corresponding relation, control compressor with corresponding raising frequency speed
Rate promotes the running frequency of compressor.
Further, according to matching result and corresponding relation, control compressor and promote compressor with corresponding raising frequency speed
The process of running frequency include: as △ RH >=rh1, control compressor and promote the operation of compressor with the first raising frequency speed H1
Frequency；As rh2≤△ RH ＜ rh1, control compressor and promote the running frequency of compressor with the second raising frequency speed H2；As △ RH
During ＜ rh2, control compressor and promote the running frequency of compressor with the 3rd raising frequency speed H3；Wherein, H1 ＞ H2 ＞ H3.
Present invention also offers the control device of a kind of this control method of application, including: acquiring unit, it is used for obtaining indoor
The setting humidity of machine and the ambient humidity of indoor；Computing unit, for calculating the humidity differences setting humidity with ambient humidity,
With default psychrometric difference interval, humidity differences is carried out ratio respectively mate, generate matching result；Regulation unit, for according to coupling
As a result, the blower fan controlling multiple heat exchange blowing unit runs with low wind shelves and/or apoplexy shelves and improves the aperture of expansion valve.
Further, regulation unit is used for: as △ RH >=rh1, and the blower fan controlling heat exchange blowing unit is right with low wind shelves
The the first rotating speed R1 answered runs, and improves the aperture of expansion valve to K1；As rh2≤△ RH ＜ rh1, control heat exchange blowing unit
Blower fan run with the first rotating speed R1 that the second rotating speed R2 corresponding to apoplexy shelves and/or low wind shelves are corresponding, and improve expansion valve
Aperture is to K2；Wherein, △ RH is humidity differences, rh1 and rh2 is the threshold value that default psychrometric difference is interval, R1 ＜ R2, K1 ＜ K2,
Rh1 ＞ rh2.
Further, regulation unit is used for: as △ RH ＜ rh2, control the blower fan of at least one heat exchange blowing unit with
The second rotating speed R2 that apoplexy shelves are corresponding runs, and by least one, other heat exchange blowing unit is set to continuous-mode or interrupted
Pattern is blown.
Further, control device and also include that press regulates unit, be used for: preset the interval raising frequency with compressor of psychrometric difference
Corresponding relation between speed；With the maximum frequency of operation of compressor as the upper limit, according to matching result and described corresponding relation, control
Compressor processed promotes the running frequency of compressor with corresponding raising frequency speed, including: as △ RH >=rh1, control compressor with
First raising frequency speed H1 promotes the running frequency of compressor；As rh2≤△ RH ＜ rh1, control compressor with the second raising frequency speed
Rate H2 promotes the running frequency of compressor；As △ RH ＜ rh2, control compressor and promote compressor with the 3rd raising frequency speed H3
Running frequency；Wherein, H1 ＞ H2 ＞ H3.
Present invention also offers a kind of air-conditioning, including air-conditioner body and above-mentioned control device.
The present invention uses technique scheme to be had the beneficial effect that
The control method of the present invention can be when operation of air conditioner refrigeration and dehumidification mode, according to the humidity feelings of indoor environment
Condition, by the corresponding expansion valve opening of the different air outlet of regulation, enables air-conditioning to meet user to refrigeration and dehumidifying etc. simultaneously
The target requirement of pattern.
Accompanying drawing explanation
Fig. 1 is the overall flow figure of control method of the present invention；
Fig. 2 is the air conditioner structure schematic diagram in the embodiment of the present invention.
Wherein, 1, indoor set；2, off-premises station；3, refrigerant pipeline；4, heat exchanger；5, blower fan；6, expansion valve；7, compressor；
8, outdoor unit heat exchanger；9, coolant branch road；10, fluid reservoir.
Detailed description of the invention
For the scheme in the present invention is clearly described, preferred embodiment is given below and is described with reference to the accompanying drawings.With
Under illustrative in nature on be merely exemplary and be not intended to limit the application of the disclosure or purposes.It should be appreciated that
In whole accompanying drawings, corresponding reference represents identical or corresponding parts and feature.
As it is shown in figure 1, the invention provides a kind of control method for air-conditioning, step includes:
S101, the setting humidity obtaining indoor set 1 and the ambient humidity of indoor；Concrete, design temperature and setting are wet
Degree is directly to obtain leaving air temp and humidity, ambient temperature and the ambient humidity that user is arranged by remote controller or control panel
It is then the temperature-detecting device by air-conditioning self and humidity detector obtains；
S102, calculate the humidity differences setting humidity and ambient humidity, by humidity differences respectively with default psychrometric difference district
Between carry out ratio coupling, generate matching result；
S103, according to matching result, the blower fan 5 controlling multiple heat exchange blowing unit runs with low wind shelves and/or apoplexy shelves
And improve the aperture of expansion valve 6.Concrete, under cooling in summer operating mode, run blower fan 55 with low wind shelves or apoplexy shelves and improve
The heat exchange blowing unit of the aperture of expansion valve 66 can make the leaving air temp of this heat exchange blowing unit relatively low, such that it is able to reach water
Steam condensation dehumidifies required temperature conditions, and the air conditioner refrigeration effect overcoming conventionally employed single set blood circulation is good but nothing
Method meets the problems such as the temperature conditions needed for dehumidifying, and the present invention utilizes the air outlet of multiple heat exchange blowing unit and correspondence thereof permissible
The dehumidification function making air-conditioning products reaches preferably running status.
Use the structure composition of single set blood circulation compared to existing air-conditioning products, the control method of the present invention is suitable for
Air conditioner structure is particularly as follows: embodiment as shown in Figure 2, and the indoor set 1 of air-conditioning includes that the first heat exchange air-supply in left side in diagram is single
Unit and the second heat exchange blowing unit on right side and with two air outlets towards air-supply region, two heat exchange blowing units with
Air outlet one_to_one corresponding, user can be according to self needing the heat exchange air-supply selecting corresponding carrying out persistently to blow or dehumidify single
Unit, meanwhile, two air outlets being integrated on same indoor set 1 have different towards, can cover in air-supply region
Major part scope, it is also possible to avoid due to two air-out make a slip of the tongue the different temperatures closely caused air-out air-flow between mutual shadow
Ring.
Concrete, the air conditioner type using above-mentioned air conditioner structure in the embodiment of the present invention is vertical cabinet-type air conditioner, the left and right of cabinet-type air conditioner
Both sides offer respectively different towards side air-out mouth, the air channel company of the heat exchange blowing unit that each air outlet is corresponding with self
Logical, it should be noted that the quantity of heat exchange blowing unit in embodiment and air outlet determines according to actual air conditioner structure,
In some other air conditioner type, the front of cabinet-type air conditioner also offers air outlet, therefore can set up changing of correspondence as required
Hot blowing unit, this is not construed as limiting by the present invention.
Concrete, the parts composition of each heat exchange blowing unit includes heat exchanger 4, blower fan 5, expansion valve 6 and is arranged at
Wind deflector on corresponding air outlet, the off-premises station 2 of air-conditioning includes compressor 7 and outdoor unit heat exchanger 8, and heat exchange blowing unit passes through
Refrigerant pipeline 3 and off-premises station 2 structure refrigerant circulation circuit；The rotating speed gear of the blower fan 5 of indoor set 1 at least includes high wind shelves, apoplexy
Shelves and low wind shelves, to facilitate user can realize the flexible control to blower fan 5 rotating speed by regulation stall.
Below in conjunction with some embodiments, the idiographic flow of control method of the present invention is illustrated:
In the embodiment of a cooling in summer operating mode of the present invention, according to matching result, control multiple heat exchange air-supply single
The process of the aperture that the blower fan 5 of unit runs with low wind shelves and/or apoplexy shelves and improves expansion valve 6 includes:
When △ RH >=20%, the blower fan 5 controlling multiple heat exchange blowing unit is transported with the first rotating speed R1 that low wind shelves are corresponding
OK, and improve the aperture of expansion valve 6 to K1；When △ RH >=20%, owing to psychrometric difference is relatively big, the most multiple heat exchange blowing units
Blower fan 5 run with low wind shelves, to reduce, the cold of indoor environment is exported, and improves expansion valve 6 aperture of self, Jin Erzeng
Add off-premises station 2 and be delivered to the coolant quantity of the second heat exchange blowing unit, such that it is able to make all to reach water at multiple heat exchange blowing unit
Temperature conditions required for the dehumidifying of steam condensation；
As 10%≤△ RH ＜ 20%, control the blower fan 5 of heat exchange blowing unit with the first rotating speed R1 corresponding to apoplexy shelves
And/or the second rotating speed R2 corresponding to low wind shelves runs, and improve the aperture of expansion valve 6 to K2；When 10%≤△ RH ＜ 20%,
Heat exchange blowing unit the humidity condition of humidity differences low △ RH >=20, the heat exchange blowing unit of indoor set 1 then can with in
The second rotating speed R2 that wind shelves are corresponding and the first rotating speed R1 corresponding to low wind shelves runs, and can be set to little by expansion valve 6
In the K2 opening value of K1, to adapt to this psychrometric difference interval situation；
As △ RH ＜ 10%, the setting humidity of indoor set 11 is less with the psychrometric difference of indoor environment humidity, therefore controls
The blower fan 5 of at least one heat exchange blowing unit runs with the second rotating speed R2 that apoplexy shelves are corresponding, other the heat exchange by least one
Blowing unit is set to blow with continuous-mode or discontinuous mode, with the air-supply effect of natural wind simulating, improves user's impression；Tool
Body, in one embodiment of the invention, the rotation speed change function of blower fan 5 is r=a*sin π t+a, and wherein, r is blower fan 5
Rotating speed in real time, a is the rotating speed higher limit of blower fan 5, and t is the operation time of blower fan 5, by this function computing formula, can control
The rotating speed of blower fan 5 realizes discontinuously air-supply with varies with sinusoidal function curve undulating manner.
In the above-described embodiments, △ RH is the setting humidity humidity differences with indoor environment humidity of indoor set 1,10% He
The threshold value in the 20% psychrometric difference interval for presetting, is provided with three psychrometric differences interval and corresponding in above-described embodiment of this case
Blower fan 5 rotating speed and expansion valve 6 aperture, the quantity that the concrete temperature difference is interval and psychrometric difference is interval can be according to air conditioner type and control
Fineness determine, this is not construed as limiting by the present invention；It addition, the relation between blower fan 5 rotating speed corresponding to air-conditioning gear is R1
＜ R2, between different expansion valve 6 apertures corresponding to temperature difference interval, relation is K1 ＜ K2.
It should be noted that the method being controlled according to psychrometric difference interval in said process be in air-conditioning initial launch or
When person enables pattern, select corresponding psychrometric difference interval with ambient humidity according to the setting humidity of initial acquisition and control accordingly
Parameter processed, until it reaches set by indoor set 1 and humidity, air-conditioning can according to the setting humidity of initial acquisition and ambient humidity from
Above-mentioned multiple rate-determining steps select a selection.
In the inventive solutions, in addition to the gear rotating speed of blower fan 5 and expansion valve 6 aperture are adjusted, this
Invent the operation controlling compressor 77 herein in connection with the corresponding relation between default psychrometric difference interval and the raising frequency speed of compressor 7
Frequency, detailed process is: with the maximum frequency of operation of compressor 7 as the upper limit, according to matching result and corresponding relation, controls compression
Machine 7 promotes the running frequency of compressor 7 with corresponding raising frequency speed.
In one embodiment of the invention, according to matching result and corresponding relation, control compressor 7 with corresponding raising frequency
The process of the running frequency that speed promotes compressor 7 includes:
When △ RH >=20%, the setting humidity of indoor set 1 and the psychrometric difference of ambient humidity are the biggest, in order to accelerate to reach
Temperature conditions needed for dehumidifying, the present invention controls compressor 7 and promotes the running frequency of compressor 7 with the first raising frequency speed 2Hz/s；
As 10%≤△ RH ＜ 20%, it is contemplated that carried out adaptability on the rotating speed and expansion valve 6 aperture of blower fan 5
Adjusting, therefore the present invention controls the compressor 7 running frequency with the second raising frequency speed 1Hz/s lifting compressor 7；
As △ RH ＜ 10%, the setting humidity of indoor set 1 and the psychrometric difference of ambient humidity are less, in order to reach suitable
Effect on moisture extraction, the present invention controls compressor 7 and promotes the running frequency of compressor 7 with the 3rd raising frequency speed 0.2Hz/s.
During the control of above-mentioned compressor 7 raising frequency speed, raising frequency speed is along with the reduction in corresponding psychrometric difference interval
And reduce, the effect of energy-saving consumption-reducing can be also functioned to while ensureing effect on moisture extraction.
Ambient humidity indoor in control method of the present invention can be obtained by humidity induction device detection, and the present invention is to this
It is not construed as limiting.
Present invention also offers a kind of control device, this control device uses the control method pair disclosed in above-described embodiment
Air-conditioning is controlled, and device specifically includes:
Acquiring unit, for obtaining setting humidity and the ambient humidity of indoor of indoor set 1；
Computing unit, for calculating the humidity differences setting humidity with ambient humidity, by humidity differences respectively with default
Psychrometric difference interval carries out ratio coupling, generates matching result；
Regulation unit, for according to matching result, control the blower fan 5 of multiple heat exchange blowing unit with low wind shelves and/or in
Wind shelves run and improve the aperture of expansion valve 6.
Regulation unit be used for: as △ RH >=rh1, control heat exchange blowing unit blower fan 5 with low wind shelves corresponding first
Rotating speed R1 runs, and improves the aperture of expansion valve 6 to K1；As rh2≤△ RH ＜ rh1, control the blower fan 5 of heat exchange blowing unit
The second rotating speed R2 corresponding with apoplexy shelves and/or the first rotating speed R1 corresponding to low wind shelves runs, and improves the aperture of expansion valve 6 extremely
K2；Wherein, △ RH is humidity differences, rh1 and rh2 is the threshold value that default psychrometric difference is interval, R1 ＜ R2, K1 ＜ K2, rh1 ＞
rh2。
Regulation unit is used for: as △ RH ＜ rh2, the blower fan 5 controlling at least one heat exchange blowing unit is right with apoplexy shelves
The the second rotating speed R2 answered runs, and by least one, other heat exchange blowing unit is set to send with continuous-mode or discontinuous mode
Wind.
Control device and also include that press regulates unit, be used for: preset between psychrometric difference interval and the raising frequency speed of compressor 7
Corresponding relation；With the maximum frequency of operation of compressor 7 as the upper limit, according to matching result and corresponding relation, control compressor 7 with
Corresponding raising frequency speed promotes the running frequency of compressor 7, including: as △ RH >=rh1, control compressor 7 with the first raising frequency
Speed H1 promotes the running frequency of compressor 7；As rh2≤△ RH ＜ rh1, control compressor 7 and carry with the second raising frequency speed H2
Rise the running frequency of compressor 7；As △ RH ＜ rh2, control compressor 7 and promote the fortune of compressor 7 with the 3rd raising frequency speed H3
Line frequency；Wherein, H1 ＞ H2 ＞ H3.
Present invention also offers a kind of air-conditioning, including air-conditioner body and above-mentioned control device, air-conditioner body includes above-mentioned
Heat exchange blowing unit disclosed in embodiment and the integrated morphology of air outlet, wherein, two heat exchange blowing units go out the cold of liquid
Matchmaker's branch road 9 connects via fluid reservoir 10 return-air port different from the compressor 7 of off-premises station 2, the coolant branch road 9 of feed liquor and outdoor
Machine heat exchanger 8 connects.Other parts of air-conditioning and structure, owing to being not related to the innovative point of the present invention, therefore do not repeat in this case.
In sum, above said content is only embodiments of the invention, is merely to illustrate the principle of the present invention, not uses
In limiting protection scope of the present invention.All within the spirit and principles in the present invention, any amendment, the equivalent made, change
Enter, should be included within the scope of the present invention.
Claims (10)
1. the control method for air-conditioning, it is characterised in that the indoor set of described air-conditioning includes multiple heat exchange blowing unit
And from the multiple air outlets towards different air-supply regions, described heat exchange blowing unit is identical with described air outlet quantity and one by one
Correspondence, each heat exchange blowing unit includes heat exchanger, blower fan, expansion valve and is arranged at the wind-guiding on corresponding described air outlet
Plate, the rotating speed gear of described blower fan at least includes high wind shelves, apoplexy shelves and low wind shelves, and off-premises station includes compressor, described control
Method includes:
Obtain setting humidity and the ambient humidity of indoor of indoor set；
Calculate the humidity differences of described setting humidity and described ambient humidity, by described humidity differences respectively with default psychrometric difference
Interval carries out ratio coupling, generates matching result；
According to described matching result, the described blower fan controlling multiple described heat exchange blowing unit is transported with low wind shelves and/or apoplexy shelves
Go and improve the aperture of described expansion valve.
Control method the most according to claim 1, it is characterised in that according to described matching result, control multiple described in change
The described blower fan of hot blowing unit includes with the process of the aperture that low wind shelves and/or apoplexy shelves run and improve described expansion valve:
As △ RH >=rh1, the described blower fan controlling described heat exchange blowing unit runs with the first rotating speed R1 that low wind shelves are corresponding,
And improve the aperture of described expansion valve to K1；
As rh2≤△ RH ＜ rh1, control the described blower fan of described heat exchange blowing unit with the second rotating speed R2 corresponding to apoplexy shelves
And/or the first rotating speed R1 corresponding to low wind shelves runs, and improve the aperture of described expansion valve to K2；
Wherein, △ RH is described humidity differences, rh1 and rh2 is the threshold value that default described psychrometric difference is interval, R1 ＜ R2, K1 ＜
K2, rh1 ＞ rh2.
Control method the most according to claim 2, it is characterised in that also include:
As △ RH ＜ rh2, control the described blower fan of at least one described heat exchange blowing unit with corresponding second turn of apoplexy shelves
Speed R2 runs, and by least one, other described heat exchange blowing unit is set to blow with continuous-mode or discontinuous mode.
Control method the most according to claim 3, it is characterised in that including:
Preset that described psychrometric difference is interval and corresponding relation between the raising frequency speed of described compressor；
With the maximum frequency of operation of described compressor as the upper limit, according to described matching result and described corresponding relation, control described
Compressor promotes the running frequency of described compressor with corresponding raising frequency speed.
Control method the most according to claim 4, it is characterised in that according to described matching result and described corresponding relation,
The process controlling the running frequency that described compressor promotes described compressor with corresponding raising frequency speed includes:
As △ RH >=rh1, control described compressor and promote the running frequency of described compressor with the first raising frequency speed H1；
As rh2≤△ RH ＜ rh1, control described compressor and promote the operation frequency of described compressor with the second raising frequency speed H2
Rate；
As △ RH ＜ rh2, control described compressor and promote the running frequency of described compressor with the 3rd raising frequency speed H3；
Wherein, H1 ＞ H2 ＞ H3.
6. the control device of the control method applied as described in any one of claim 1-5, it is characterised in that including:
Acquiring unit, for obtaining setting humidity and the ambient humidity of indoor of indoor set；
Computing unit, for calculating the humidity differences of described setting humidity and described ambient humidity, by described humidity differences respectively
Carry out ratio with default psychrometric difference interval to mate, generate matching result；
Regulation unit, for according to described matching result, controls the described blower fan of multiple described heat exchange blowing unit with low wind shelves
And/or apoplexy shelves run and improve the aperture of described expansion valve.
Control device the most according to claim 6, it is characterised in that described regulation unit is used for:
As △ RH >=rh1, the described blower fan controlling described heat exchange blowing unit runs with the first rotating speed R1 that low wind shelves are corresponding,
And improve the aperture of described expansion valve to K1；
As rh2≤△ RH ＜ rh1, control the described blower fan of described heat exchange blowing unit with the second rotating speed R2 corresponding to apoplexy shelves
And/or the first rotating speed R1 corresponding to low wind shelves runs, and improve the aperture of described expansion valve to K2；
Wherein, △ RH is described humidity differences, rh1 and rh2 is the threshold value that default described psychrometric difference is interval, R1 ＜ R2, K1 ＜
K2, rh1 ＞ rh2.
Control device the most according to claim 7, it is characterised in that described regulation unit is used for:
As △ RH ＜ rh2, control the described blower fan of at least one described heat exchange blowing unit with corresponding second turn of apoplexy shelves
Speed R2 runs, and by least one, other described heat exchange blowing unit is set to blow with continuous-mode or discontinuous mode.
Control device the most according to claim 7, it is characterised in that also include that press regulates unit, be used for:
Preset that described psychrometric difference is interval and corresponding relation between the raising frequency speed of described compressor；Maximum with described compressor
Running frequency is the upper limit, according to described matching result and described corresponding relation, controls described compressor with corresponding raising frequency speed
Promote the running frequency of described compressor, including:
As △ RH >=rh1, control described compressor and promote the running frequency of described compressor with the first raising frequency speed H1；
As rh2≤△ RH ＜ rh1, control described compressor and promote the operation frequency of described compressor with the second raising frequency speed H2
Rate；
As △ RH ＜ rh2, control described compressor and promote the running frequency of described compressor with the 3rd raising frequency speed H3；
Wherein, H1 ＞ H2 ＞ H3.
10. an air-conditioning, it is characterised in that include air-conditioner body and the control device as described in any one of claim 6-9.
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| CN201610664546.6A CN106288179B (en) | 2016-08-12 | 2016-08-12 | It is a kind of for the control method of air-conditioning, device and air-conditioning |
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| CN106895518A (en) * | 2017-01-11 | 2017-06-27 | 广东美的制冷设备有限公司 | A kind of air-conditioner and its humidity control method |
| CN107575989A (en) * | 2017-08-02 | 2018-01-12 | 广东美的暖通设备有限公司 | Air-conditioning line control machine, air-conditioning system and air conditioner dehumidification control method |
| CN107869830A (en) * | 2017-11-13 | 2018-04-03 | 珠海格力电器股份有限公司 | Air-conditioner control method and device |
| WO2018209740A1 (en) * | 2017-05-19 | 2018-11-22 | 珠海格力电器股份有限公司 | Method and device for controlling air conditioner |
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| CN106895518A (en) * | 2017-01-11 | 2017-06-27 | 广东美的制冷设备有限公司 | A kind of air-conditioner and its humidity control method |
| WO2018209740A1 (en) * | 2017-05-19 | 2018-11-22 | 珠海格力电器股份有限公司 | Method and device for controlling air conditioner |
| CN107575989B (en) * | 2017-08-02 | 2020-01-07 | 广东美的暖通设备有限公司 | Air conditioner wire controller, air conditioner system and air conditioner dehumidification control method |
| CN107575989A (en) * | 2017-08-02 | 2018-01-12 | 广东美的暖通设备有限公司 | Air-conditioning line control machine, air-conditioning system and air conditioner dehumidification control method |
| CN107869830A (en) * | 2017-11-13 | 2018-04-03 | 珠海格力电器股份有限公司 | Air-conditioner control method and device |
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| CN111473496B (en) * | 2020-04-29 | 2021-08-13 | 广东美的暖通设备有限公司 | Air conditioning system, control method and device thereof and storage medium |
| CN111912076A (en) * | 2020-05-25 | 2020-11-10 | 海信（山东）空调有限公司 | Air conditioner and control method |
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| CN112503726B (en) * | 2020-12-08 | 2022-01-14 | 广东积微科技有限公司 | Control method for reducing condensation risk of indoor unit of air conditioner |
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