CN106247552B - It is a kind of for the control method of air-conditioning, device and air-conditioning - Google Patents

It is a kind of for the control method of air-conditioning, device and air-conditioning Download PDF

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Publication number
CN106247552B
CN106247552B CN201610664548.5A CN201610664548A CN106247552B CN 106247552 B CN106247552 B CN 106247552B CN 201610664548 A CN201610664548 A CN 201610664548A CN 106247552 B CN106247552 B CN 106247552B
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CN
China
Prior art keywords
heat exchange
blower
wind file
compressor
temperature
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CN201610664548.5A
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Chinese (zh)
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CN106247552A (en
Inventor
罗荣邦
许文明
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青岛海尔空调器有限总公司
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Priority to CN201610664548.5A priority Critical patent/CN106247552B/en
Publication of CN106247552A publication Critical patent/CN106247552A/en
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Publication of CN106247552B publication Critical patent/CN106247552B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83Control 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
    • F24F11/84Control 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

Abstract

The invention discloses a kind of for the control method of air-conditioning, device and air-conditioning, and control method includes: the set temperature for obtaining indoor unit, setting humidity and indoor environment temperature, ambient humidity;It calculates the temperature gap of set temperature and environment temperature and sets the humidity differences of humidity and ambient humidity, temperature gap and humidity differences are carried out respectively to generate matching result than matching with preset temperature difference section and psychrometric difference section;According to matching result, the blower for controlling at least one heat exchange blowing unit is run with high wind file, and the blower of at least one others heat exchange blowing unit is run with low wind file or middle wind file and improves the aperture of expansion valve.The control method of invention can be when operation of air conditioner freezes with dehumidification mode, according to the temperature and humidity situation of indoor environment, by adjusting the wind-speed gear and corresponding expansion valve opening of different air outlets, air-conditioning is enable to meet the needs of user is to refrigeration and dehumidifying isotype simultaneously.

Description

It is a kind of for the control method of air-conditioning, device and air-conditioning
Technical field
The present invention relates to air-conditioning technical fields, more particularly to a kind of for the control method of air-conditioning, device and air-conditioning.
Background technique
A set of circulatory system is only arranged in air-conditioning products currently on the market mostly, and single quantity is only arranged in the circulatory system The main components such as evaporator, condenser, expansion valve, the air conditioning functions such as refrigeration and dehumidifying require complete by this set circulatory system At, during actual use, existing air-conditioning products can not reach the optimum operation shape of multiple functions such as refrigeration and dehumidifying simultaneously State, as air-conditioning system in dehumidification process its refrigeration effect it is very poor, refrigeration when effect it is good when again be unable to satisfy dehumidify institute Need temperature condition, the relatively low humidity of room temperature it is big when be unable to satisfy not only dry do not freeze again the requirement to dehumidify or temperature height The problems such as humidity can not quickly meet when big while refrigeration cool-down is with dehumidifying.
Meanwhile in the indoor environment that range is larger, area is wider, between the user in different zones again having differences Refrigeration or dehumidification requirements, the air-conditioning products of existing simple subprogram system tend not to meet above-mentioned use demand.
Summary of the invention
The technical problems to be solved by the present invention are: provide it is a kind of for the control method of air-conditioning, device and air-conditioning, can When air-conditioning runs refrigeration and dehumidification mode simultaneously, the influence between the two mode is reduced.
The technical proposal adopted by the invention to solve the above technical problems is that:
The present invention provides a kind of control method for air-conditioning, the indoor unit of air-conditioning include multiple heat exchange blowing units with And with multiple air outlets towards air-supply region, exchange heat blowing unit it is identical with air outlet quantity and one-to-one correspondence, each heat exchange Blowing unit includes heat exchanger, blower, expansion valve and the wind deflector being set on corresponding air outlet, and the revolving speed gear of blower is extremely It less include high wind file, middle wind file and low wind file, outdoor unit includes compressor, and control method includes: to obtain the setting temperature of indoor unit Degree, setting humidity and indoor environment temperature, ambient humidity;It calculates the temperature gap of set temperature and environment temperature and sets The humidity differences for determining humidity and ambient humidity, by temperature gap and humidity differences respectively with preset temperature difference section and psychrometric difference area Between carry out than matching, generate matching result;According to matching result, the blower of at least one heat exchange blowing unit is controlled with high wind file The blower of at least one others heat exchange blowing unit is run with low wind file or middle wind file and improves opening for expansion valve by operation Degree.
Further, according to matching result, the blower for controlling at least one heat exchange blowing unit is run with high wind file, near The blower of few other heat exchange blowing units is run and is improved the process packet of the aperture of expansion valve with low wind file or middle wind file Include: as △ T1 >=t1, △ RH >=rh1, the blower for controlling at least one heat exchange blowing unit is first turn corresponding with high wind file The blower of at least one others heat exchange blowing unit is run with the corresponding third revolving speed R3 of low wind file, and mentioned by fast R1 operation The aperture of high expansion valve is to K1;As t2≤△ T < t1, rh2≤△ RH < rh1, at least one heat exchange blowing unit is controlled Blower is with the corresponding first revolving speed R1 operation of high wind file, by the blower of at least one others heat exchange blowing unit with apoplexy The corresponding second revolving speed R2 of shelves or the corresponding third revolving speed R3 operation of low wind file, and the aperture of the expansion valve is improved to K2;Its In, △ T is temperature gap, and t1 and t2 are the threshold value in preset temperature difference section, and △ RH is humidity differences, and rh1 and rh2 are preset The threshold value in psychrometric difference section, R1 > R2 > R3, K1 > K2, t1 > t2, rh1 > rh2.
Further, as △ T < t2, △ RH < rh2, the blower of at least one heat exchange blowing unit is controlled with high wind file Corresponding first revolving speed R1 operation, by the blower of at least one others heat exchange blowing unit with corresponding first revolving speed of high wind file R1 operation, and the aperture of expansion valve is reduced to K3, wherein K1 > K2 > K3.
Further, control method further include: between the raising frequency rate in fiducial temperature section, psychrometric difference section and compressor Corresponding relationship;Using the maximum frequency of operation of compressor as the upper limit, according to matching result and corresponding relationship, compressor is controlled with right The raising frequency rate answered promotes the running frequency of compressor.
Further, control method further include: according to matching result and corresponding relationship, control compressor with corresponding raising frequency The process that rate promotes the running frequency of compressor includes: to control compressor as △ T1 >=t1, △ RH >=rh1 with first liter The running frequency of frequency rate H1 promotion compressor;As t2≤△ T < t1, rh2≤△ RH < rh1, compressor is controlled with second The running frequency of raising frequency rate H2 promotion compressor;As △ T < t2, △ RH < rh2, compressor is controlled with third raising frequency rate The running frequency of H3 promotion compressor;Wherein, H1 > H2 > H3.
The present invention also provides a kind of control devices of control method that application is somebody's turn to do, comprising: acquiring unit, for obtaining room The set temperature of interior machine sets humidity and indoor environment temperature, ambient humidity;Computing unit, for calculating set temperature With the temperature gap of environment temperature and the humidity differences of humidity and the ambient humidity are set, by temperature gap and humidity differences It carries out generating matching result than matching with preset temperature difference section and psychrometric difference section respectively;Unit is adjusted, for according to matching As a result, the blower for controlling at least one heat exchange blowing unit is run with high wind file, by least one others heat exchange blowing unit Blower run with low wind file or middle wind file and improve the aperture of expansion valve.
Further, it adjusts unit to be used for: as △ T1 >=t1, △ RH >=rh1, controlling at least one heat exchange blowing unit Blower with the corresponding first revolving speed R1 operation of high wind file, by the blower of at least one others heat exchange blowing unit with low wind file Corresponding third revolving speed R3 operation, and the aperture of expansion valve is improved to K1;As t2≤△ T < t1, rh2≤△ RH < rh1, control The blower of at least one heat exchange blowing unit is made with the corresponding first revolving speed R1 operation of high wind file, at least one others is exchanged heat The blower of blowing unit improves expansion with the corresponding second revolving speed R2 of middle wind file or the corresponding third revolving speed R3 operation of low wind file The aperture of valve is to K2;Wherein, △ T is temperature gap, and t1 and t2 are the threshold value in preset temperature difference section, and △ RH is humidity differences, Rh1 and rh2 is the threshold value in preset psychrometric difference section, R1 > R2 > R3, K1 > K2, t1 > t2, rh1 > rh2.
Further, it adjusts unit to be used for: as △ T < t2, △ RH < rh2, controlling at least one heat exchange blowing unit Blower with the corresponding first revolving speed R1 operation of high wind file, by the blower of at least one others heat exchange blowing unit with high wind file Corresponding first revolving speed R1 operation, and the aperture of expansion valve is reduced to K3, wherein K1 > K2 > K3.
Further, control device further includes that press adjusts unit, is used for: fiducial temperature section, psychrometric difference section and pressure Corresponding relationship between the raising frequency rate of contracting machine;Using the maximum frequency of operation of compressor as the upper limit, according to matching result and described Corresponding relationship controls the running frequency that compressor promotes compressor with corresponding raising frequency rate, comprising: as △ T1 >=t1, △ RH When >=rh1, the running frequency that compressor promotes compressor with the first raising frequency rate H1 is controlled;As t2≤△ T < t1, rh2≤△ When RH < rh1, the running frequency that compressor promotes compressor with the second raising frequency rate H2 is controlled;As △ T < t2, △ RH < rh2 When, control the running frequency that compressor promotes compressor with third raising frequency rate H3;Wherein, H1 > H2 > H3.
The present invention also provides a kind of air-conditionings, including air-conditioner body and above-mentioned control device.
Control method of the invention can freeze in operation of air conditioner and when dehumidification mode, according to the temperature of indoor environment and wet Situation is spent, by adjusting the wind-speed gear and corresponding expansion valve opening of different air outlets, air-conditioning is enable to meet user simultaneously Demand to refrigeration and dehumidifying isotype.
Detailed description of the invention
Fig. 1 is the overall flow figure of control method of the present invention;
Fig. 2 is the air conditioning structure diagram in the embodiment of the present invention.
Wherein, 1, indoor unit;2, outdoor unit;3, refrigerant pipeline;4, heat exchanger;5, blower;6, expansion valve;7, compressor; 8, outdoor unit heat exchanger;9, refrigerant branch;10, fluid reservoir.
Specific embodiment
Clearly to illustrate the scheme in the present invention, preferred embodiment is given below and being described with reference to the accompanying drawings.With Under explanation be substantially only exemplary and be not intended to limitation the disclosure application or purposes.It should be understood that In whole attached drawings, corresponding appended drawing reference indicates identical or corresponding component and feature.
As shown in Figure 1, the present invention provides a kind of control method for air-conditioning, step includes:
S101, the set temperature for obtaining indoor unit 1, setting humidity and indoor environment temperature, ambient humidity;Specifically , set temperature and setting humidity are to directly acquire leaving air temp that user is arranged by remote controler or control panel and wet Degree, environment temperature and ambient humidity are obtained by the temperature-detecting device and humidity detector of air-conditioning itself;
S102, the temperature gap for calculating set temperature and environment temperature and the psychrometric difference for setting humidity and ambient humidity Value carries out temperature gap and humidity differences to generate matching knot than matching respectively with preset temperature difference section and psychrometric difference section Fruit;
S103, according to matching result, control at least one heat exchange blowing unit blower 5 with high wind file operation, will at least The blower 5 of one other heat exchange blowing unit is run with low wind file or middle wind file and improves the aperture of expansion valve 6.Specifically, Under cooling in summer operating condition, with the heat exchange blowing unit of high wind file operation blower 5 can continue to indoor output cold wind, with guarantor The refrigeration effect in air-supply region is demonstrate,proved, meanwhile, blower 5 is run with low wind file or middle wind file and improves changing for the aperture of expansion valve 6 Hot blowing unit can make the heat exchanger surface temperature of the heat exchange blowing unit lower, so as to reach the dehumidifying of vapor condensation Required temperature condition, overcome the air-conditioning of conventionally employed single set circulatory system its refrigeration effect in dehumidification process it is very poor or Person's good refrigeration effect but the problems such as be unable to satisfy temperature condition needed for dehumidifying, the present invention using multiple heat exchange blowing units and Its corresponding air outlet can make the refrigeration of air-conditioning products and dehumidification function reach optimal operating status.
The structure composition of the circulatory system is covered using list compared to existing air-conditioning products, what control method of the invention was applicable in Air conditioner structure specifically: embodiment as shown in Figure 2, the indoor unit 1 of air-conditioning include that the first heat exchange air-supply in left side in diagram is single The second heat exchange blowing unit on member and right side and with two air outlets towards air-supply region, two heat exchange blowing units and Air outlet corresponds, and user can select the corresponding heat exchange air-supply continue to blow or dehumidify single according to their needs Member, meanwhile, two air outlets being integrated on same indoor unit 1 have different directions, can cover in air-supply region Most of range, can also be to avoid the mutual shadow between the outlet air air-flow of the different temperatures caused by being made a slip of the tongue closely two outlet air It rings.
Specifically, use the air conditioner type of above-mentioned air conditioner structure for vertical cabinet-type air conditioner in the embodiment of the present invention, the left and right of cabinet-type air conditioner Two sides offer the side air-out mouth of different directions respectively, and the air duct of each air outlet heat exchange blowing unit corresponding with itself connects It is logical, it should be noted that the quantity of heat exchange blowing unit and air outlet in embodiment is determined according to practical air conditioner structure, In other some air conditioner types, the front of cabinet-type air conditioner also offers air outlet, therefore can according to need and add corresponding change Hot blowing unit, this is not limited by the present invention.
Specifically, the component composition of each heat exchange blowing unit includes heat exchanger 4, blower 5, expansion valve 6 and is set to Wind deflector on corresponding air outlet, the outdoor unit 2 of air-conditioning include compressor 7 and outdoor unit heat exchanger 8, and heat exchange blowing unit passes through Refrigerant pipeline 3 and 2 structure refrigerant circulation circuit of outdoor unit;The revolving speed gear of the blower 5 of indoor unit 1 includes at least high wind file, apoplexy Shelves and low wind file, to facilitate user that can realize the flexible control to 5 revolving speed of blower by regulation stall.
It is illustrated below with reference to detailed process of some embodiments to control method of the present invention:
In the embodiment of a cooling in summer operating condition of the invention, according to matching result, controls at least one heat exchange and send The blower 5 of wind unit is with the operation of high wind file, by the blower 5 of at least one others heat exchange blowing unit with low wind file or middle wind file The process for running and improving the aperture of expansion valve 6 includes:
When T1 >=10 DEG C △, △ RH >=20%, the blower 5 of control the first heat exchange blowing unit is with high wind file corresponding the One revolving speed R1 operation, the blower 5 of the second hot blowing unit improve expansion valve 6 with the corresponding third revolving speed R3 operation of low wind file Aperture to K1.It should be noted that in T1 >=10 DEG C △, when △ RH >=20%, the set temperature and indoor environment of indoor unit 1 The psychrometric difference of the temperature difference of temperature, setting humidity and indoor environment humidity is all larger, therefore controls the first heat exchange blowing unit with height Wind file is to run its blower 5, to improve cold wind conveying capacity;Simultaneously as psychrometric difference is larger, therefore the second heat exchange blowing unit Blower 5 is run with low wind file, is exported with cooling capacity of the reduction to indoor environment, and improve 6 aperture of expansion valve of itself, and then increase Outdoor unit 2 is delivered to the coolant quantity of the second heat exchange blowing unit, so as to so as to reach vapor at the second heat exchange blowing unit Temperature condition required for condensation dehumidifies;
As 10 DEG C of 5 DEG C≤△ T <, 10%≤△ RH < 20%, the blower 5 of control the first heat exchange blowing unit is with high wind Shelves corresponding first revolving speed R1 operation, the blower 5 of the second heat exchange blowing unit with the corresponding second revolving speed R2 of middle wind file or Low wind file corresponding third revolving speed R3 operation, and the aperture of expansion valve 6 is improved to K2;It should be noted that in 5 DEG C≤△ T < 10 DEG C, when 10%≤△ RH < 20%, the temperature gap and humidity differences of two heat exchange blowing units are lower than T1 >=10 DEG C △ And the equal parameter values of △ RH >=20%, the first heat exchange blowing unit remain unchanged with former cold wind conveying capacity for high wind file position run its wind Machine 5, the second heat exchange blowing unit then can replace the corresponding third revolving speed of low wind file with the corresponding second revolving speed R2 of middle wind file R3 operation, and expansion valve 6 can be set smaller than to the K2 opening value of K1, to adapt to the temperature difference section and psychrometric difference section Situation;
As 5 DEG C of △ T <, △ RH < 10%, the blower 5 of control the first heat exchange blowing unit is with high wind file corresponding first Revolving speed R1 operation, the blower 5 of the second heat exchange blowing unit reduce expansion valve 6 with the corresponding first revolving speed R1 operation of high wind file Aperture to K3;It should be noted that when 5 DEG C of △ T <, △ RH < 10%, the set temperature and indoor environment temperature of indoor unit 1 The temperature difference, setting humidity and indoor environment humidity psychrometric difference it is all smaller, therefore can control two heat exchange blowing units with High wind file position runs its blower 5, to accelerate the temperature that indoor environment temperature reaches setting;Simultaneously as psychrometric difference is smaller, second The blowing unit that exchanges heat can carry out condensation dehumidifying to indoor environment only by adusting this parameter of the aperture of expansion valve 6, will expand Valve 6 is set smaller than the K3 opening value of K2.
In the above-described embodiments, △ T is the set temperature of indoor unit 1 and the difference of environment temperature, and 5 DEG C and 10 DEG C are default Temperature difference section threshold value, △ RH be indoor unit 1 setting humidity and indoor environment humidity humidity differences, 10% and 20% is The threshold value in preset psychrometric difference section is provided with three temperature difference sections and psychrometric difference section and its right in above-described embodiment of this case The quantity in 6 aperture of 5 revolving speed of blower and expansion valve answered, specific temperature difference section and psychrometric difference section can according to air conditioner type and The fineness of control determines that this is not limited by the present invention;In addition, the relationship between 5 revolving speed of blower corresponding to air-conditioning gear For R1 > R2 > R3, relationship is K1 > K2 > K3 between 6 aperture of expansion valve corresponding to different temperature difference sections.
It should be noted that according to the method that temperature difference section and psychrometric difference section are controlled being in air-conditioning in the above process When initial launch or enabling mode, selected according to the set temperature of initial acquisition and environment temperature, setting humidity and ambient humidity Corresponding temperature difference section, psychrometric difference section and its corresponding control parameter are selected, until reaching temperature set by indoor unit 1 and wet Degree, air-conditioning can be according to the set temperature and environment temperature of initial acquisition, setting humidity and ambient humidities from above-mentioned multiple controls A selection is selected in step.
In the inventive solutions, in addition to the gear revolving speed to blower 5 and other than 6 aperture of expansion valve is adjusted, this Invention controls pressure herein in connection with the corresponding relationship between the raising frequency rate of preset temperature difference section, psychrometric difference section and compressor 7 The running frequency of contracting machine 7, detailed process are as follows: using the maximum frequency of operation of compressor 7 as the upper limit, according to matching result and corresponding pass System controls the running frequency that compressor 7 promotes compressor 7 with corresponding raising frequency rate.
In one embodiment of the invention, according to matching result and corresponding relationship, compressor 7 is controlled with corresponding raising frequency The process of running frequency that rate promotes compressor 7 includes:
When T1 >=10 DEG C △, △ RH >=20%, the set temperature of indoor unit 1 and the temperature difference, the setting humidity of environment temperature It is all larger with the psychrometric difference of ambient humidity, in order to accelerate the refrigeration to indoor environment and reach the required temperature condition of dehumidifying, The present invention controls the running frequency that compressor 7 promotes compressor 7 with the first raising frequency rate 2Hz/s;
As 10 DEG C of 5 DEG C≤△ T <, 10%≤△ RH < 20%, it is contemplated that opened in the revolving speed of blower 5 and expansion valve 6 It is adaptively adjusted on degree, therefore the present invention controls the fortune that compressor 7 promotes compressor 7 with the second raising frequency rate 1Hz/s Line frequency;
As 5 DEG C of △ T <, △ RH < 10%, the temperature difference of the set temperature of indoor unit 1 and environment temperature, setting humidity and The psychrometric difference of ambient humidity is all smaller, and in order to reach suitable refrigeration and effect on moisture extraction, the present invention controls compressor 7 with third liter The running frequency of frequency rate 0.2Hz/s promotion compressor 7.
In the control process of 7 raising frequency rate of above-mentioned compressor, raising frequency rate is with corresponding temperature difference section and psychrometric difference The reduction in section and reduce, can guarantee refrigeration and while effect on moisture extraction, also function to the effect of energy-saving consumption-reducing.
The leaving air temp of two heat exchange blowing units can be by being arranged in the temperature at air outlet in control method of the present invention It spends sensing device detection to obtain, in the other one embodiment of the present invention, leaving air temp can be replaced with coil temperature difference Difference carries out the control of corresponding 5 revolving speed of blower and 6 aperture of expansion valve.
The present invention also provides a kind of control devices, and the control device is using control method pair disclosed in above-described embodiment Air-conditioning is controlled, and device specifically includes:
Acquiring unit, for obtaining the set temperature, setting humidity and indoor environment temperature, environmental wet of indoor unit 1 Degree;
Computing unit, for calculating the temperature gap and setting humidity and ambient humidity of set temperature and environment temperature Temperature gap and humidity differences are carried out generating than matching respectively with preset temperature difference section and psychrometric difference section by humidity differences Matching result;
Unit is adjusted, for according to matching result, controlling the blower 5 of at least one heat exchange blowing unit with high wind file fortune The blower 5 of at least one others heat exchange blowing unit is run with low wind file or middle wind file and improves opening for expansion valve 6 by row Degree.
Adjust unit be used for: as △ T1 >=t1, △ RH >=rh1, control at least one heat exchange blowing unit blower 5 with The corresponding first revolving speed R1 operation of high wind file, the blower 5 of at least one others heat exchange blowing unit is corresponding with low wind file Third revolving speed R3 operation, and the aperture of expansion valve 6 is improved to K1;As t2≤△ T < t1, rh2≤△ RH < rh1, control is extremely The blower 5 of few heat exchange blowing unit is changed at least one others with the corresponding first revolving speed R1 operation of high wind file The blower 5 of hot blowing unit is improved with the corresponding second revolving speed R2 of middle wind file or the corresponding third revolving speed R3 operation of low wind file The aperture of expansion valve 6 is to K2;Wherein, △ T is temperature gap, and t1 and t2 are the threshold value in preset temperature difference section, and △ RH is humidity Difference, rh1 and rh2 are the threshold value in preset psychrometric difference section, R1 > R2 > R3, K1 > K2, t1 > t2, rh1 > rh2.
Adjust unit be used for: as △ T < t2, △ RH < rh2, control at least one heat exchange blowing unit blower 5 with The corresponding first revolving speed R1 operation of high wind file, the blower 5 of at least one others heat exchange blowing unit is corresponding with high wind file First revolving speed R1 operation, and the aperture of expansion valve 6 is reduced to K3, wherein K1 > K2 > K3.
Control device further include press adjust unit, be used for: fiducial temperature section, psychrometric difference section and compressor 7 liter Corresponding relationship between frequency rate;Using the maximum frequency of operation of compressor 7 as the upper limit, according to matching result and corresponding relationship, control Compressor 7 processed promotes the running frequency of compressor 7 with corresponding raising frequency rate, comprising: as △ T1 >=t1, △ RH >=rh1, control Compressor 7 processed promotes the running frequency of compressor 7 with the first raising frequency rate H1;As t2≤△ T < t1, rh2≤△ RH < rh1 When, control the running frequency that compressor 7 promotes compressor 7 with the second raising frequency rate H2;As △ T < t2, △ RH < rh2, control Compressor 7 processed promotes the running frequency of compressor 7 with third raising frequency rate H3;Wherein, H1 > H2 > H3.
The present invention also provides a kind of air-conditionings, and including air-conditioner body and above-mentioned control device, air-conditioner body includes above-mentioned The integrated morphology of heat exchange blowing unit and air outlet disclosed in embodiment, wherein two heat exchange blowing units go out the cold of liquid Matchmaker's branch 9 is connected via the return-air port different from the compressor 7 of outdoor unit 2 of fluid reservoir 10, the refrigerant branch 9 of feed liquor and outdoor Machine heat exchanger 8 connects.The other components of air-conditioning and structure are not repeated due to not being related to innovative point of the invention in this case.
In conclusion above said content is only the embodiment of the present invention, it is merely to illustrate the principle of the present invention, is not used In limiting the scope of protection of the present invention.All within the spirits and principles of the present invention, made any modification, equivalent replacement, change Into etc., it should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of control method for air-conditioning, which is characterized in that the indoor unit of the air-conditioning includes multiple heat exchange blowing units And with multiple air outlets towards air-supply region, the heat exchange blowing unit is identical as the air outlet quantity and one is a pair of It answers, each heat exchange blowing unit includes heat exchanger, blower, expansion valve and is set to the wind deflector corresponded on the air outlet, The revolving speed gear of the blower includes at least high wind file, middle wind file and low wind file, and outdoor unit includes compressor, the control method Include:
Obtain the set temperature, setting humidity and indoor environment temperature, ambient humidity of indoor unit;
Calculate the temperature gap and the setting humidity and the ambient humidity of the set temperature and the environment temperature Humidity differences, by the temperature gap and the humidity differences carried out respectively with preset temperature difference section and psychrometric difference section than Match, generates matching result;
According to the matching result, the blower for controlling at least one heat exchange blowing unit is run with high wind file, near The blower of few others heat exchange blowing unit is run with low wind file or middle wind file and improves the expansion valve Aperture.
2. control method according to claim 1, which is characterized in that according to the matching result, control at least one institute The blower for stating heat exchange blowing unit is run with high wind file, by the wind of at least one other heat exchange blowing unit The process for the aperture that machine ran and improved the expansion valve with low wind file or middle wind file includes:
As △ T1 >=t1, △ RH >=rh1, the blower for controlling at least one heat exchange blowing unit is corresponding with high wind file The first revolving speed R1 operation, by the blower of at least one other heat exchange blowing unit with the corresponding third of low wind file Revolving speed R3 operation, and the aperture of the expansion valve is improved to K1;
As t2≤△ T < t1, rh2≤△ RH < rh1, the blower of at least one heat exchange blowing unit is controlled with height The corresponding first revolving speed R1 operation of wind file, by the blower of at least one other heat exchange blowing unit with middle wind file pair The the second revolving speed R2 or low wind file answered corresponding third revolving speed R3 operation, and the aperture of the expansion valve is improved to K2;
Wherein, △ T is the temperature gap, and t1 and t2 are the threshold value in the preset temperature difference section, and △ RH is the psychrometric difference Value, rh1 and rh2 are the threshold value in the preset psychrometric difference section, R1 > R2 > R3, K1 > K2, t1 > t2, rh1 > rh2.
3. control method according to claim 2, which is characterized in that further include:
As △ T < t2, △ RH < rh2, the blower for controlling at least one heat exchange blowing unit is corresponding with high wind file The first revolving speed R1 operation, by the blower of at least one other heat exchange blowing unit with high wind file corresponding first Revolving speed R1 operation, and the aperture of the expansion valve is reduced to K3, wherein K1 > K2 > K3.
4. control method according to claim 3 characterized by comprising
Preset the corresponding relationship between the raising frequency rate of the temperature difference section, psychrometric difference section and the compressor;
Using the maximum frequency of operation of the compressor as the upper limit, according to the matching result and the corresponding relationship, described in control Compressor promotes the running frequency of the compressor with corresponding raising frequency rate.
5. control method according to claim 4, which is characterized in that according to the matching result and the corresponding relationship, The process for controlling the running frequency that the compressor promotes the compressor with corresponding raising frequency rate includes:
As △ T1 >=t1, △ RH >=rh1, the operation that the compressor promotes the compressor with the first raising frequency rate H1 is controlled Frequency;
As t2≤△ T < t1, rh2≤△ RH < rh1, the compressor is controlled with the second raising frequency rate H2 and promotes the compression The running frequency of machine;
As △ T < t2, △ RH < rh2, the operation that the compressor promotes the compressor with third raising frequency rate H3 is controlled Frequency;
Wherein, H1 > H2 > H3.
6. a kind of control device of described in any item control methods of application such as claim 1-5 characterized by comprising
Acquiring unit, for obtaining the set temperature, setting humidity and indoor environment temperature, ambient humidity of indoor unit;
Computing unit, for calculating temperature gap and the setting humidity and the institute of the set temperature and the environment temperature The humidity differences for stating ambient humidity, by the temperature gap and the humidity differences respectively with preset temperature difference section and psychrometric difference Section carries out generating matching result than matching;
Unit is adjusted, for according to the matching result, controlling the blower of at least one heat exchange blowing unit with height The blower of at least one other heat exchange blowing unit is run and is improved with low wind file or middle wind file by wind file operation The aperture of the expansion valve.
7. control device according to claim 6, which is characterized in that the adjusting unit is used for:
As △ T1 >=t1, △ RH >=rh1, the blower for controlling at least one heat exchange blowing unit is corresponding with high wind file The first revolving speed R1 operation, by the blower of at least one other heat exchange blowing unit with the corresponding third of low wind file Revolving speed R3 operation, and the aperture of the expansion valve is improved to K1;
As t2≤△ T < t1, rh2≤△ RH < rh1, the blower of at least one heat exchange blowing unit is controlled with height The corresponding first revolving speed R1 operation of wind file, by the blower of at least one other heat exchange blowing unit with middle wind file pair The the second revolving speed R2 or low wind file answered corresponding third revolving speed R3 operation, and the aperture of the expansion valve is improved to K2;
Wherein, △ T is the temperature gap, and t1 and t2 are the threshold value in the preset temperature difference section, and △ RH is the psychrometric difference Value, rh1 and rh2 are the threshold value in the preset psychrometric difference section, R1 > R2 > R3, K1 > K2, t1 > t2, rh1 > rh2.
8. control device according to claim 7, which is characterized in that the adjusting unit is used for:
As △ T < t2, △ RH < rh2, the blower for controlling at least one heat exchange blowing unit is corresponding with high wind file The first revolving speed R1 operation, by the blower of at least one other heat exchange blowing unit with high wind file corresponding first Revolving speed R1 operation, and the aperture of the expansion valve is reduced to K3, wherein K1 > K2 > K3.
9. control device according to claim 7, which is characterized in that further include that press adjusts unit, be used for:
Preset the corresponding relationship between the raising frequency rate of the temperature difference section, psychrometric difference section and the compressor;With the pressure The maximum frequency of operation of contracting machine controls the compressor according to the matching result and the corresponding relationship for the upper limit with correspondence Raising frequency rate promote the running frequency of the compressor, comprising:
As △ T1 >=t1, △ RH >=rh1, the operation that the compressor promotes the compressor with the first raising frequency rate H1 is controlled Frequency;
As t2≤△ T < t1, rh2≤△ RH < rh1, the compressor is controlled with the second raising frequency rate H2 and promotes the compression The running frequency of machine;
As △ T < t2, △ RH < rh2, the operation that the compressor promotes the compressor with third raising frequency rate H3 is controlled Frequency;
Wherein, H1 > H2 > H3.
10. a kind of air-conditioning, which is characterized in that including air-conditioner body and such as described in any item control devices of claim 6-9.
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