CN106247552A - 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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- CN106247552A CN106247552A CN201610664548.5A CN201610664548A CN106247552A CN 106247552 A CN106247552 A CN 106247552A CN 201610664548 A CN201610664548 A CN 201610664548A CN 106247552 A CN106247552 A CN 106247552A
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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
- F24F11/80—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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (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: obtains the design temperature of indoor set, set humidity and the ambient temperature of indoor, ambient humidity；Calculate design temperature and the temperature gap of ambient temperature and set the humidity differences of humidity and ambient humidity, temperature gap and humidity differences being carried out ratio mate with default temperature difference interval and psychrometric difference interval respectively, generates matching result；According to matching result, the blower fan controlling at least one heat exchange blowing unit runs with high wind shelves, and by least one, the blower fan of other heat exchange blowing unit runs with low wind shelves or apoplexy shelves and improves the aperture of expansion valve.The control method of invention can be when operation of air conditioner refrigeration and dehumidification mode, temperature and humidity situation according to indoor environment, by wind-speed gear and the expansion valve opening of correspondence of the different air outlet of regulation, enable air-conditioning to meet user to refrigeration and the demand 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
When air-conditioning runs refrigeration and dehumidification mode simultaneously, reduce the impact between both patterns.
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 with the multiple air outlets towards air-supply region, 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, and the rotating speed gear of blower fan is extremely
Including high wind shelves, apoplexy shelves and low wind shelves less, off-premises station includes that compressor, control method include: obtain the setting temperature of indoor set
Degree, setting humidity and the ambient temperature of indoor, ambient humidity；Calculate the temperature gap of design temperature and ambient temperature and set
Determine the humidity differences of humidity and ambient humidity, by interval with the default temperature difference respectively to temperature gap and humidity differences and psychrometric difference district
Between carry out ratio coupling, generate matching result；According to matching result, control the blower fan of at least one heat exchange blowing unit with high wind shelves
Running, by least one, the blower fan of other heat exchange blowing unit runs with low wind shelves or apoplexy shelves and improves opening of expansion valve
Degree.
Further, according to matching result, the blower fan controlling at least one heat exchange blowing unit runs with high wind shelves, near
Few other the blower fan of heat exchange blowing unit runs with low wind shelves or apoplexy shelves and improves the process bag of aperture of expansion valve
Include: as △ T1 >=t1, △ RH >=rh1, control the blower fan of at least one heat exchange blowing unit with corresponding first turn of high wind shelves
Speed R1 runs, and by least one, the blower fan of other heat exchange blowing unit runs with the 3rd rotating speed R3 that low wind shelves are corresponding, and carries
The aperture of highly expanded valve is to K1；As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1, control at least one heat exchange blowing unit
Blower fan runs with the first rotating speed R1 that high wind shelves are corresponding, and by least one, the described blower fan of other heat exchange blowing unit is with apoplexy
The 3rd rotating speed R3 that the second rotating speed R2 or low wind shelves that shelves are corresponding are corresponding runs, and improves the aperture of described expansion valve to K2；Its
In, △ T is temperature gap, t1 and t2 is the threshold value that the default temperature difference is interval, and △ RH is humidity differences, rh1 and rh2 is default
The threshold value that psychrometric difference is interval, R1 ＞ R2 ＞ R3, K1 ＞ K2, t1 ＞ t2, rh1 ＞ rh2.
Further, as △ T ＜ t2, △ RH ＜ rh2, the blower fan of at least one heat exchange blowing unit is controlled with high wind shelves
The first corresponding rotating speed R1 runs, and by least one, the blower fan of other heat exchange blowing unit is with the first rotating speed corresponding to high wind shelves
R1 runs, and reduces the aperture of expansion valve to K3, wherein, and K1 ＞ K2 ＞ K3.
Further, control method also includes: preset the temperature difference interval, between psychrometric difference interval and the raising frequency speed of compressor
Corresponding relation；With the maximum frequency of operation of compressor as the upper limit, according to matching result and corresponding relation, control compressor with right
The raising frequency speed answered promotes the running frequency of compressor.
Further, control method also includes: according to matching result and corresponding relation, controls compressor with corresponding raising frequency
The process of the running frequency that speed promotes compressor includes: as △ T1 >=t1, △ RH >=rh1, controls compressor with first liter
Frequently speed H1 promotes the running frequency of compressor；As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1, control compressor with second
Raising frequency speed H2 promotes the running frequency of compressor；As △ T ＜ t2, △ RH ＜ rh2, control compressor with the 3rd raising frequency speed
H3 promotes the running frequency of compressor；Wherein, H1 ＞ H2 ＞ H3.
Present invention also offers the control device of the control method that a kind of application is somebody's turn to do, including: acquiring unit, it is used for obtaining room
The design temperature of interior machine, setting humidity and the ambient temperature of indoor, ambient humidity；Computing unit, is used for calculating design temperature
With the temperature gap of ambient temperature and the humidity differences that sets humidity and described ambient humidity, by temperature gap and humidity differences
Respectively with the default temperature difference is interval and psychrometric difference interval carries out ratio and mates, generate matching result；Regulation unit, for according to coupling
As a result, the blower fan controlling at least one heat exchange blowing unit runs with high wind shelves, other the heat exchange blowing unit by least one
Blower fan run with low wind shelves or apoplexy shelves and improve the aperture of expansion valve.
Further, regulation unit is used for: as △ T1 >=t1, △ RH >=rh1, control at least one heat exchange blowing unit
Blower fan with high wind shelves corresponding first rotating speed R1 run, by least one, the blower fan of other heat exchange blowing unit is with low wind shelves
The 3rd corresponding rotating speed R3 runs, and improves the aperture of expansion valve to K1；As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1, control
The blower fan making at least one heat exchange blowing unit runs with the first rotating speed R1 that high wind shelves are corresponding, other the heat exchange by least one
The blower fan of blowing unit runs with the 3rd rotating speed R3 that the second rotating speed R2 or low wind shelves that apoplexy shelves are corresponding are corresponding, and improves expansion
The aperture of valve is to K2；Wherein, △ T is temperature gap, t1 and t2 is the threshold value that the default temperature difference is interval, and △ RH is humidity differences,
Rh1 and rh2 is the threshold value that default psychrometric difference is interval, R1 ＞ R2 ＞ R3, K1 ＞ K2, t1 ＞ t2, rh1 ＞ rh2.
Further, regulation unit is used for: as △ T ＜ t2, △ RH ＜ rh2, control at least one heat exchange blowing unit
Blower fan with high wind shelves corresponding first rotating speed R1 run, by least one, the blower fan of other heat exchange blowing unit is with high wind shelves
The first corresponding rotating speed R1 runs, and reduces the aperture of expansion valve to K3, wherein, and K1 ＞ K2 ＞ K3.
Further, control device and also include that press regulates unit, be used for: preset temperature difference interval, psychrometric difference interval and pressure
Corresponding relation between the raising frequency speed of contracting machine；With the maximum frequency of operation of compressor as the upper limit, according to matching result and described
Corresponding relation, controls compressor and promotes the running frequency of compressor with corresponding raising frequency speed, including: as △ T1 >=t1, △ RH
During >=rh1, control compressor and promote the running frequency of compressor with the first raising frequency speed H1；As t2≤△ T ＜ t1, rh2≤△
During RH ＜ rh1, control compressor and promote the running frequency of compressor with the second raising frequency speed H2；As △ T ＜ t2, △ RH ＜ rh2
Time, control compressor and promote the running frequency of compressor with the 3rd raising frequency speed H3；Wherein, H1 ＞ H2 ＞ H3.
Present invention also offers a kind of air-conditioning, including air-conditioner body and above-mentioned control device.
The control method of the present invention can be in operation of air conditioner refrigeration with during dehumidification mode, according to the temperature of indoor environment and wet
Degree situation, by wind-speed gear and the expansion valve opening of correspondence of the different air outlet of regulation, enables air-conditioning to meet user simultaneously
To refrigeration and the demand of dehumidifying isotype.
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 design temperature of acquisition indoor set 1, setting humidity and the ambient temperature of indoor, ambient humidity；Specifically
, design temperature and to set humidity be directly to obtain leaving air temp that user arranged and wet by remote controller or control panel
Degree, ambient temperature and ambient humidity are then the temperature-detecting device by air-conditioning self and humidity detector obtains；
S102, calculate the temperature gap of design temperature and ambient temperature and set the psychrometric difference of humidity and ambient humidity
Value, carries out temperature gap and humidity differences ratio and mates with default temperature difference interval and psychrometric difference interval respectively, generate coupling knot
Really；
S103, according to matching result, the blower fan 5 controlling at least one heat exchange blowing unit runs with high wind shelves, will at least
One other blower fan 5 of heat exchange blowing unit runs with low wind shelves or apoplexy shelves and improves the aperture of expansion valve 6.Concrete,
Under cooling in summer operating mode, with high wind shelves run that the heat exchange blowing unit of blower fan 5 can continue to indoor output cold wind, with guarantor
Refrigeration in card air-supply region, meanwhile, runs blower fan 5 with low wind shelves or apoplexy shelves and improves the changing of aperture of expansion valve 6
Hot blowing unit can make the heat exchanger surface temperature of this heat exchange blowing unit relatively low, such that it is able to reach the dehumidifying of steam condensation
Required temperature conditions, overcome air-conditioning its refrigeration in dehumidification process of conventionally employed single set blood circulation very poor or
Person's good refrigeration effect but the problems such as the temperature conditions needed for dehumidifying cannot be met, the present invention utilize multiple heat exchange blowing unit and
The air outlet of its correspondence can make the refrigeration of air-conditioning products and dehumidification function reach optimal 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 11 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 at least one heat exchange and send
The blower fan 5 of wind unit runs with high wind shelves, and by least one, the blower fan 5 of other heat exchange blowing unit is with low wind shelves or apoplexy shelves
The process of the aperture run and improve expansion valve 6 includes:
When △ T1 >=10 DEG C, during △ RH >=20%, control the blower fan 5 of the first heat exchange blowing unit with high wind shelves corresponding
One rotating speed R1 runs, and the blower fan 5 of the second hot blowing unit runs with the 3rd rotating speed R3 that low wind shelves are corresponding, and improves expansion valve 6
Aperture to K1.It should be noted that in △ T1 >=10 DEG C, during △ RH >=20%, the design temperature of indoor set 1 and indoor environment
The temperature difference of temperature, setting humidity are the biggest with the psychrometric difference of indoor environment humidity, therefore control the first heat exchange blowing unit with height
Wind shelves are for running its blower fan 5, to improve cold wind conveying capacity；Simultaneously as psychrometric difference is relatively big, therefore the second heat exchange blowing unit
Blower fan 5 runs with low wind shelves, to reduce the output of the cold to indoor environment, and improves expansion valve 6 aperture of self, and then increases
Off-premises station 2 is delivered to the coolant quantity of the second heat exchange blowing unit, such that it is able to make to reach steam at the second heat exchange blowing unit
Temperature conditions required for condensation dehumidifying；
As 5 DEG C≤△ T ＜ 10 DEG C, during 10%≤△ RH ＜ 20%, control the blower fan 5 of the first heat exchange blowing unit with high wind
The first rotating speed R1 that shelves are corresponding runs, the described blower fan 5 of the second heat exchange blowing unit with the second rotating speed R2 corresponding to apoplexy shelves or
The 3rd rotating speed R3 that low wind shelves are corresponding runs, and improves the aperture of expansion valve 6 to K2；It should be noted that at 5 DEG C≤△ T ＜
10 DEG C, during 10%≤△ RH ＜ 20%, two heat exchange blowing units temperature gap and humidity differences less than △ T1 >=10 DEG C
And the parameter value such as △ RH >=20%, the first heat exchange blowing unit still with former cold wind conveying capacity for high wind gear run its wind
Machine 5, the second heat exchange blowing unit then can replace, with the second rotating speed R2 that apoplexy shelves are corresponding, the 3rd rotating speed that low wind shelves are corresponding
R3 runs, and expansion valve 6 can be set smaller than the K2 opening value of K1, and to adapt to, this temperature approach is interval and psychrometric difference is interval
Situation；
As △ T ＜ 5 DEG C, during △ RH ＜ 10%, control the blower fan 5 of the first heat exchange blowing unit with high wind shelves corresponding first
Rotating speed R1 runs, and the blower fan 5 of the second heat exchange blowing unit runs with the first rotating speed R1 that high wind shelves are corresponding, and reduces expansion valve 6
Aperture to K3；It should be noted that △ T ＜ 5 DEG C, during △ RH ＜ 10%, the design temperature of indoor set 1 and indoor environment temperature
The temperature difference, set humidity the least with the psychrometric difference of indoor environment humidity, therefore can control two heat exchange blowing units all with
High wind gear runs its blower fan 5, the temperature set to accelerate indoor environment temperature to reach；Simultaneously as psychrometric difference is less, second
Heat exchange blowing unit can be adjusted merely by this parameter of aperture of expansion valve 6 and indoor environment carries out condensation dehumidifying, will expand
Valve 6 is set smaller than the K3 opening value of K2.
In the above-described embodiments, △ T is the design temperature difference with ambient temperature of indoor set 1, and 5 DEG C and 10 DEG C is default
The interval threshold value of the temperature difference, △ RH is settings humidity and the humidity differences of indoor environment humidity of indoor set 1, and 10% and 20% is
The threshold value that the psychrometric difference preset is interval, is provided with three temperature difference interval interval and right with psychrometric difference in above-described embodiment of this case
Blower fan 5 rotating speed answered and expansion valve 6 aperture, the quantity that the concrete temperature difference is interval and psychrometric difference is interval can according to air conditioner type and
The fineness controlled determines, 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
For R1 ＞ R2 ＞ R3, between different expansion valve 6 apertures corresponding to temperature difference interval, relation is K1 ＞ K2 ＞ K3.
It should be noted that the method being controlled according to temperature difference interval and psychrometric difference interval in said process is at air-conditioning
Initial launch or when enabling pattern, according to design temperature and ambient temperature, setting humidity and the ambient humidity choosing of initial acquisition
The temperature difference selecting correspondence is interval, psychrometric difference interval and controls parameter accordingly, until it reaches temperature set by indoor set 1 and wet
Degree, air-conditioning can be according to the design temperature of initial acquisition and ambient temperature, setting humidity and ambient humidity from above-mentioned multiple controls
Step is selected 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 corresponding relation interval herein in connection with the default temperature difference, between psychrometric difference interval and the raising frequency speed of compressor 7 and control pressure
The running frequency of contracting machine 7, detailed process is: with the maximum frequency of operation of compressor 7 as the upper limit, according to matching result with corresponding close
System, controls compressor 7 and 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 △ T1 >=10 DEG C, during △ RH >=20%, the design temperature of indoor set 1 and the temperature difference of ambient temperature, setting humidity
The biggest with the psychrometric difference of ambient humidity, in order to accelerate the refrigeration to indoor environment and reach the required temperature conditions that dehumidifies,
The present invention controls compressor 7 and promotes the running frequency of compressor 7 with the first raising frequency speed 2Hz/s；
As 5 DEG C≤△ T ＜ 10 DEG C, during 10%≤△ RH ＜ 20%, it is contemplated that rotating speed and expansion valve 6 at blower fan 5 is opened
Having carried out accommodation on degree, therefore the present invention controls the compressor 7 fortune with the second raising frequency speed 1Hz/s lifting compressor 7
Line frequency；
As △ T ＜ 5 DEG C, during △ RH ＜ 10%, the design temperature of indoor set 1 and the temperature difference of ambient temperature, set humidity and
The psychrometric difference of ambient humidity is the least, and in order to reach suitably to freeze and effect on moisture extraction, the present invention controls compressor 7 with the 3rd liter
Frequently speed 0.2Hz/s promotes the running frequency of compressor 7.
During the control of above-mentioned compressor 7 raising frequency speed, raising frequency speed is along with the corresponding temperature difference is interval and psychrometric difference
Interval reduction and reduce, the effect of energy-saving consumption-reducing can be also functioned to while ensureing refrigeration and effect on moisture extraction.
In control method of the present invention, the leaving air temp of two heat exchange blowing units can be by being arranged on the temperature at air outlet
Degree induction installation detection obtains, and in the embodiment that the present invention is other, can replace leaving air temp with coil temperature difference
Difference carries out corresponding blower fan 5 rotating speed and the control of expansion valve 6 aperture.
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 the design temperature of indoor set 1, setting humidity and the ambient temperature of indoor, environmental wet
Degree；
Computing unit, for calculating the temperature gap of design temperature and ambient temperature and setting humidity and ambient humidity
Humidity differences, carries out temperature gap and humidity differences ratio and mates with default temperature difference interval and psychrometric difference interval respectively, generate
Matching result；
Regulation unit, for according to matching result, the blower fan 5 controlling at least one heat exchange blowing unit is transported with high wind shelves
OK, by least one, the blower fan 5 of other heat exchange blowing unit runs with low wind shelves or apoplexy shelves and improves opening of expansion valve 6
Degree.
Regulation unit is used for: as △ T1 >=t1, △ RH >=rh1, control the blower fan 5 of at least one heat exchange blowing unit with
The first rotating speed R1 that high wind shelves are corresponding runs, and by least one, the blower fan 5 of other heat exchange blowing unit is corresponding with low wind shelves
3rd rotating speed R3 runs, and improves the aperture of expansion valve 6 to K1；As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1, control extremely
The described blower fan 5 of a few heat exchange blowing unit runs with the first rotating speed R1 that high wind shelves are corresponding, and by least one, other changes
The blower fan 5 of hot blowing unit runs with the 3rd rotating speed R3 that the second rotating speed R2 or low wind shelves that apoplexy shelves are corresponding are corresponding, and improves
The aperture of expansion valve 6 is to K2；Wherein, △ T is temperature gap, t1 and t2 is the threshold value that the default temperature difference is interval, and △ RH is humidity
Difference, rh1 and rh2 is the threshold value that default psychrometric difference is interval, R1 ＞ R2 ＞ R3, K1 ＞ K2, t1 ＞ t2, rh1 ＞ rh2.
Regulation unit is used for: as △ T ＜ t2, △ RH ＜ rh2, control the blower fan 5 of at least one heat exchange blowing unit with
The first rotating speed R1 that high wind shelves are corresponding runs, and by least one, the blower fan 5 of other heat exchange blowing unit is corresponding with high wind shelves
First rotating speed R1 runs, and reduces the aperture of expansion valve 6 to K3, wherein, and K1 ＞ K2 ＞ K3.
Control device and also include that press regulates unit, be used for: preset temperature difference interval, the interval liter with compressor 7 of psychrometric difference
Frequently the corresponding relation between speed；With the maximum frequency of operation of compressor 7 as the upper limit, according to matching result and corresponding relation, control
Compressor 7 processed promotes the running frequency of compressor 7 with corresponding raising frequency speed, including: as △ T1 >=t1, △ RH >=rh1, control
Compressor 7 processed promotes the running frequency of compressor 7 with the first raising frequency speed H1；As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1
Time, control compressor 7 and promote the running frequency of compressor 7 with the second raising frequency speed H2；As △ T ＜ t2, △ RH ＜ rh2, control
Compressor 7 processed promotes the running frequency of compressor 7 with the 3rd raising frequency speed H3；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 with the multiple air outlets towards air-supply region, described heat exchange blowing unit is identical with described air outlet quantity and one a pair
Should, each heat exchange blowing unit includes heat exchanger, blower fan, expansion valve and is arranged at the wind deflector on corresponding described air outlet,
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
Including:
Obtain the design temperature of indoor set, set humidity and the ambient temperature of indoor, ambient humidity；
Calculate described design temperature and the temperature gap of described ambient temperature and described setting humidity and described ambient humidity
Humidity differences, interval with the default temperature difference respectively to described temperature gap and described humidity differences and psychrometric difference interval are carried out than
Join, generate matching result；
According to described matching result, the described blower fan controlling at least one described heat exchange blowing unit runs with high wind shelves, near
Few other the described blower fan of described heat exchange blowing unit runs with low wind shelves or apoplexy shelves and improves described expansion valve
Aperture.
Control method the most according to claim 1, it is characterised in that according to described matching result, controls at least one institute
The described blower fan stating heat exchange blowing unit runs with high wind shelves, the described wind of other described heat exchange blowing unit by least one
Machine includes with the process of the aperture that low wind shelves or apoplexy shelves run and improve described expansion valve:
As △ T1 >=t1, △ RH >=rh1, the described blower fan controlling at least one described heat exchange blowing unit is corresponding with high wind shelves
First rotating speed R1 run, by least one the described blower fan of other described heat exchange blowing unit with low wind shelves corresponding the 3rd
Rotating speed R3 runs, and improves the aperture of described expansion valve to K1；
As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1, control the described blower fan of at least one described heat exchange blowing unit with height
The first rotating speed R1 that wind shelves are corresponding runs, and by least one, the described blower fan of other described heat exchange blowing unit is right with apoplexy shelves
The 3rd rotating speed R3 that the second rotating speed R2 or low wind shelves of answering are corresponding runs, and improves the aperture of described expansion valve to K2；
Wherein, △ T is described temperature gap, t1 and t2 is the threshold value that the default described temperature difference is interval, and △ RH is described psychrometric difference
Value, rh1 and rh2 is the threshold value that default described psychrometric difference is interval, R1 ＞ R2 ＞ R3, K1 ＞ K2, t1 ＞ t2, rh1 ＞ rh2.
Control method the most according to claim 2, it is characterised in that also include:
As △ T ＜ t2, △ RH ＜ rh2, the described blower fan controlling at least one described heat exchange blowing unit is corresponding with high wind shelves
First rotating speed R1 run, by least one the described blower fan of other described heat exchange blowing unit with high wind shelves corresponding first
Rotating speed R1 runs, and reduces the aperture of described expansion valve to K3, wherein, and K1 ＞ K2 ＞ K3.
Control method the most according to claim 3, it is characterised in that including:
Preset that the described temperature difference is interval, 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 △ T1 >=t1, △ RH >=rh1, control described compressor and promote the operation of described compressor with the first raising frequency speed H1
Frequency；
As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1, control described compressor and promote described compression with the second raising frequency speed H2
The running frequency of machine；
As △ T ＜ t2, △ RH ＜ rh2, control described compressor and promote the operation of described compressor with the 3rd raising frequency speed H3
Frequency；
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 the design temperature of indoor set, setting humidity and the ambient temperature of indoor, ambient humidity；
Computing unit, is used for calculating described design temperature and the temperature gap of described ambient temperature and described setting humidity and institute
State the humidity differences of ambient humidity, by interval with the default temperature difference respectively to described temperature gap and described humidity differences and psychrometric difference
Interval carries out ratio coupling, generates matching result；
Regulation unit, for according to described matching result, controls the described blower fan of at least one described heat exchange blowing unit with height
Wind shelves run, and by least one, the described blower fan of other described heat exchange blowing unit runs with low wind shelves or apoplexy shelves and improves
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 △ T1 >=t1, △ RH >=rh1, the described blower fan controlling at least one described heat exchange blowing unit is corresponding with high wind shelves
First rotating speed R1 run, by least one the described blower fan of other described heat exchange blowing unit with low wind shelves corresponding the 3rd
Rotating speed R3 runs, and improves the aperture of described expansion valve to K1；
As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1, control the described blower fan of at least one described heat exchange blowing unit with height
The first rotating speed R1 that wind shelves are corresponding runs, and by least one, the described blower fan of other described heat exchange blowing unit is right with apoplexy shelves
The 3rd rotating speed R3 that the second rotating speed R2 or low wind shelves of answering are corresponding runs, and improves the aperture of described expansion valve to K2；
Wherein, △ T is described temperature gap, t1 and t2 is the threshold value that the default described temperature difference is interval, and △ RH is described psychrometric difference
Value, rh1 and rh2 is the threshold value that default described psychrometric difference is interval, R1 ＞ R2 ＞ R3, K1 ＞ K2, t1 ＞ t2, rh1 ＞ rh2.
Control device the most according to claim 7, it is characterised in that described regulation unit is used for:
As △ T ＜ t2, △ RH ＜ rh2, the described blower fan controlling at least one described heat exchange blowing unit is corresponding with high wind shelves
First rotating speed R1 run, by least one the described blower fan of other described heat exchange blowing unit with high wind shelves corresponding first
Rotating speed R1 runs, and reduces the aperture of described expansion valve to K3, wherein, and K1 ＞ K2 ＞ K3.
Control device the most according to claim 7, it is characterised in that also include that press regulates unit, be used for:
Preset that the described temperature difference is interval, psychrometric difference is interval and corresponding relation between the raising frequency speed of described compressor；With described pressure
The maximum frequency of operation of contracting machine is the upper limit, according to described matching result and described corresponding relation, controls described compressor with correspondence
Raising frequency speed promote described compressor running frequency, including:
As △ T1 >=t1, △ RH >=rh1, control described compressor and promote the operation of described compressor with the first raising frequency speed H1
Frequency；
As t2≤△ T ＜ t1, rh2≤△ RH ＜ rh1, control described compressor and promote described compression with the second raising frequency speed H2
The running frequency of machine；
As △ T ＜ t2, △ RH ＜ rh2, control described compressor and promote the operation of described compressor with the 3rd raising frequency speed H3
Frequency；
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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| CN201610664548.5A CN106247552B (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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|---|---|---|---|
| CN201610664548.5A CN106247552B (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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