CN110017591A - Control method, air-conditioning system and its control device of air-conditioning system - Google Patents
Control method, air-conditioning system and its control device of air-conditioning system Download PDFInfo
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- CN110017591A CN110017591A CN201910179159.7A CN201910179159A CN110017591A CN 110017591 A CN110017591 A CN 110017591A CN 201910179159 A CN201910179159 A CN 201910179159A CN 110017591 A CN110017591 A CN 110017591A
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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
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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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
This application discloses the control devices of a kind of control method of air-conditioning system, air-conditioning system and air-conditioning system.The control method of air-conditioning system includes detecting the leaving air temp of environment temperature and the air-conditioning system, the load of the air-conditioning system is calculated according to the set temperature of the air-conditioning system and the environment temperature, preset target supply air temperature difference range is determined according to the load, practical supply air temperature difference is calculated according to the set temperature of the air-conditioning system and the leaving air temp, and adjusts the system parameter of the air-conditioning system according to the practical supply air temperature difference and the target supply air temperature difference range.Control method, air-conditioning system and its control device of the air-conditioning system of presently filed embodiment adjust the system parameter of air-conditioning system by practical supply air temperature difference and target supply air temperature difference range, prevent indoor unit leaving air temp from too low or too high situation occur, to improve the comfort of indoor unit outlet air, the experience effect of user is improved.
Description
Technical field
This application involves fields of home appliance technology, more specifically, are related to control method, the air-conditioning of a kind of air-conditioning system
The control device of system and air-conditioning system.
Background technique
The indoor regulating device (indoor unit) of air-conditioning system as directly with the component of indoor heat exchange, leaving air temp it is big
The small comfortable sexual experience for directly affecting user, while also affecting the efficiency of system.Thus it is guaranteed that indoor unit suitably goes out wind-warm syndrome
It spends most important to air-conditioning system.In certain extreme operating conditions, under cryogenic refrigeration operating condition, since outdoor environment temperature is low, outside
Heat transfer temperature difference is big, causes high-pressure lower than the pressure of nominal situation, so that corresponding low pressure is low.When low pressure is lower,
Inside heat transfer temperature difference is big.Indoor unit, which mostly uses greatly, at present determines the throttle part aperture that control method for overheat adjusts indoor unit, with
Control the refrigerant circulation of indoor unit, in fact it could happen that the lower situation of the leaving air temp of indoor unit, i.e. outlet air comfort are bad.
Summary of the invention
Presently filed embodiment provides the control of the control method, air-conditioning system and air-conditioning system of a kind of air-conditioning system
Device.
The control method of the air-conditioning system of the application embodiment, including detection environment temperature and the air-conditioning system go out
Air temperature calculates the load of the air-conditioning system according to the set temperature of the air-conditioning system and the environment temperature, according to institute
It states load and determines preset target supply air temperature difference range, calculated according to the set temperature of the air-conditioning system and the leaving air temp
Practical supply air temperature difference, and be with what the target supply air temperature difference range adjusted the air-conditioning system according to the practical supply air temperature difference
System parameter.
The air-conditioning system of the application embodiment, including temperature sensor and processor.Temperature sensor is for detecting ring
The leaving air temp of border temperature and the air-conditioning system.The processor is used for according to the set temperature of the air-conditioning system and described
Environment temperature calculates the load of the air-conditioning system, determines preset target supply air temperature difference range according to the load, according to institute
The set temperature and the leaving air temp for stating air-conditioning system calculate practical supply air temperature difference and according to the practical supply air temperature difference and institute
State the system parameter that target supply air temperature difference range adjusts the air-conditioning system.
The control device of the air-conditioning system of the application embodiment, including temperature sensor, the first computing module, determine mould
Block, the second computing module and adjustment module.Temperature sensor is used to detect the leaving air temp of environment temperature and the air-conditioning system.
First computing module is used to calculate the negative of the air-conditioning system according to the set temperature and the environment temperature of the air-conditioning system
Lotus.Determining module is used to determine preset target supply air temperature difference range according to the load.Second computing module, for according to institute
The set temperature and the leaving air temp for stating air-conditioning system calculate practical supply air temperature difference.Adjustment module according to described for actually sending
Wind-warm syndrome difference and the target supply air temperature difference range adjust the system parameter of the air-conditioning system.
The control device of the control method of the air-conditioning system of the application embodiment, air-conditioning system and air-conditioning system passes through reality
Border supply air temperature difference and target supply air temperature difference range adjust the system parameter of air-conditioning system, prevent indoor unit leaving air temp from occurring too low
Or excessively high situation improves the experience effect of user to improve the comfort of indoor unit outlet air.
The additional aspect and advantage of presently filed embodiment will be set forth in part in the description, partially will be from following
Description in become obvious, or recognized by the practice of presently filed embodiment.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the application is from combining in description of the following accompanying drawings to embodiment by change
It obtains obviously and is readily appreciated that, in which:
Fig. 1 is the flow diagram of the control method of the air-conditioning system of the application embodiment；
Fig. 2 and Fig. 3 is the structural schematic diagram of the air-conditioning system of the application embodiment；
Fig. 4 to Figure 14 is the flow diagram of the control method of the air-conditioning system of the application embodiment.
Figure 15 is the partial structure diagram of the air-conditioning system of the application embodiment.
Specific embodiment
Presently filed embodiment is described further below in conjunction with attached drawing.Same or similar label is from beginning in attached drawing
To the same or similar element of expression or element with the same or similar functions eventually.
In addition, the presently filed embodiment described with reference to the accompanying drawing is exemplary, it is only used for explaining the application's
Embodiment, and should not be understood as the limitation to the application.
In this application unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Fig. 1, Fig. 2, Fig. 4 and Figure 15 are please referred to, the application provides a kind of control method of air-conditioning system 1000, comprising:
011: the leaving air temp Td of detection environment temperature T0 and air-conditioning system 1000；
012: according to the set temperature Ts of the air-conditioning system 1000 and load L of environment temperature T0 calculations of air conditioner system 1000；
013: preset target supply air temperature difference range [DsA, DsB] is determined according to load L；
014: practical supply air temperature difference D is calculated according to the set temperature Ts of air-conditioning system 1000 and leaving air temp Td；And
016: being according to what practical supply air temperature difference D and target supply air temperature difference range [DsA, DsB] adjusted air-conditioning system 1000
System parameter.
Referring to Fig. 2, the application also provides a kind of air-conditioning system 1000, including temperature sensor 10 and processor 20.Temperature
Degree sensor 10 is used to detect the leaving air temp Td of environment temperature T0 and air-conditioning system 1000.Processor 20 is used for: according to air-conditioning
The load L of set temperature Ts and environment temperature the T0 calculations of air conditioner system 1000 of system 1000, preset mesh is determined according to load L
It marks supply air temperature difference range [DsA, DsB], practical air-supply is calculated according to the set temperature Ts and leaving air temp Td of air-conditioning system 1000
Temperature difference D and the system ginseng that air-conditioning system 1000 is adjusted according to practical supply air temperature difference D and target supply air temperature difference range [DsA, DsB]
Number.
In other words, step 011 can be realized by temperature sensor 10, step 012, step 013, step 014 and step
016 can be realized by processor 20.Wherein, temperature sensor 10 has multiple (two or more), can according to need
It is arranged, such as there are two temperature sensors 10, a setting is indoors near the return air inlet of machine 100, for obtaining environment temperature
T0 is spent, another is arranged near the air outlet of machine 100 indoors, for obtaining the leaving air temp Td of indoor unit 100.In this way, two
Each performs its own functions for a temperature sensor 10, detects the temperature (i.e. environment temperature T0 and leaving air temp Td) being each responsible for, detection efficiency
Height is rapid to the control of air-conditioning system 1000.
Referring to Fig. 3, the application also provides a kind of control device 300 of air-conditioning system 1000, including temperature sensor 10,
First computing module 30, determining module 40, the second computing module 50 and adjustment module 70.Temperature sensor 10 is for detecting environment
The leaving air temp Td of temperature T0 and air-conditioning system 1000.First computing module 30 is used for the set temperature according to air-conditioning system 1000
The load L of Ts and environment temperature T0 calculations of air conditioner system 1000.Determining module 40 is used to determine that preset target is sent according to load L
Wind the temperature difference range [DsA, DsB].Second computing module 50, for the set temperature Ts and leaving air temp according to air-conditioning system 1000
Td calculates practical supply air temperature difference D.Adjustment module 70 be used for according to practical supply air temperature difference D and target supply air temperature difference range [DsA,
DsB] adjust air-conditioning system 1000 system parameter.In other words, step 011 can be realized by temperature sensor 10, step 012
It can be realized by the first computing module 30, step 013 can be realized by determining module 40, and step 014 can calculate mould by second
Block 50 realizes that step 016 can be realized by adjustment module 70.Wherein, temperature sensor 10 can be one or more, work as temperature
When degree sensor 10 is one, which is not only used to obtain environment temperature T0, but also is used to obtain air-conditioning system
1000 leaving air temp Td is so just able to detect multiple temperature using a temperature sensor 10, and utilization efficiency is high, save at
This.When temperature sensor 10 is multiple, at for example, two, a temperature sensor 10 is used to obtain environment temperature T0, separately
One temperature sensor 10 is used to obtain the leaving air temp Td of air-conditioning system 1000, in this way, two temperature sensors 10 respectively take charge of it
Duty detects the temperature (i.e. environment temperature T0 and leaving air temp Td) being each responsible for, and detection efficiency is high, the control to air-conditioning system 1000
System is rapid.
Wherein, the first computing module 30 and the second computing module 50 can be two computing units independent of each other, can also
With the same computing unit.First computing module 30, determining module 40, the second computing module 50 and adjustment module 70 can be
At least one is integrated in processor 20, is also possible to be provided separately with processor 20.In addition, above-mentioned air-conditioning system 1000
It, can after step 011 executes completion in the control device 300 of control method, air-conditioning system 1000 and air-conditioning system 1000
To execute step 012 and step 013 while executing step 014；Alternatively, successively being executed after step 011 executes completion
Step 014, step 012 and step 013；Alternatively, after step 011 is executed and completed, successively step 012, step 013 and step
014。
Specifically, Fig. 1 and Fig. 2 are please referred to, in the present embodiment, air-conditioning system 1000 includes indoor unit 100 and outdoor
Machine 200, indoor unit 100 and outdoor unit 200 connect, and for carrying out heat exchange, air-conditioning system 1000 usually has refrigeration and heating two
Kind mode.The leaving air temp of indoor unit 100 is Td, environment temperature T0, set temperature Ts, defines the air-supply of indoor unit 100
The temperature difference is D=Shu Ts-Td Shu.The preset target supply air temperature difference range of indoor unit 100 is [DsA, DsB], system loading L is defined as: L
=Shu Ts-T0 Shu.Wherein:
As L >=L1, preset target supply air temperature difference range [DsA, DsB] is [DsA1, DsB1]；
As L2≤L < L1, preset target supply air temperature difference range [DsA, DsB] is [DsA2, DsB2]；
……
As Ln-1≤L < Ln, preset target supply air temperature difference range [DsA, DsB] is [DsAn-1, DsBn-11]
As L < Ln (n >=1), indoor unit 100 is standby.
From the foregoing, it will be observed that preset target supply air temperature difference range [DsA, DsB] is associated with environment temperature T0, with the difference of T0
And change.
Wherein L1, L2 ... Ln, DsA1, DsA2...DsAn and DsB1, DsB2..., DsBn have been set when air-conditioning dispatches from the factory
Good, set temperature Ts can be by client root according to real time environment sets itself.
Temperature sensor 10 is electrically connected with processor 20, and temperature sensor 10 detects environment temperature T0 and air-conditioning system
Corresponding signal (that is, executing step 011), and is passed to processor 20 by 1000 leaving air temp Td.Processor 20 is according to ring
Border temperature T0 and set temperature Ts determine the load L of air-conditioning system 1000 (that is, executing step 012), i.e. L=Shu Ts-T0 Shu.
Processor 20 according to fixed system loading L determine preset target supply air temperature difference range [DsA, DsB] (that is,
Execute step 013).For example, preset target supply air temperature difference range [DsA, DsB] is [DsA1, DsB1] as L > L1, work as L2
When≤L < L1, preset target supply air temperature difference range [DsA, DsB] is [DsA2, DsB2].
Processor 20 according to the set temperature Ts and leaving air temp Td of air-conditioning system 1000 calculate practical supply air temperature difference D (that is,
Execute step 014), i.e. D=Shu Ts-Td Shu.
Processor 20 adjusts air-conditioning system 1000 according to practical supply air temperature difference D and target supply air temperature difference range [DsA, DsB]
System parameter (that is, execute step 016), comprising: when practical supply air temperature difference D be less than target supply air temperature difference range [DsA, DsB]
Minimum value DsA when (D < DsA), or when practical supply air temperature difference D greater than target supply air temperature difference range [DsA, DsB] maximum
When value DsB (D > DsB), it is reduced by or increases the system parameter of air-conditioning system 1000, so that practical supply air temperature difference D is in target
In supply air temperature difference range [DsA, DsB]；When practical supply air temperature difference D is located at (i.e. DsA in target supply air temperature difference range [DsA, DsB]
≤ D≤DsB) when, keep the system parameter of air-conditioning system 1000 constant.The system parameter of air-conditioning system 1000 can be throttle
The revolving speed etc. of blower 22 in the aperture of part 21, the degree of supercooling of indoor unit 100 or the degree of superheat, indoor unit 100.
The control of the control method, air-conditioning system 1000 and air-conditioning system 1000 of the air-conditioning system 1000 of the application embodiment
Device 300 processed is joined by the system that practical supply air temperature difference D and target supply air temperature difference range [DsA, DsB] adjust air-conditioning system 1000
Number, prevents 100 leaving air temp of indoor unit from too low or too high situation occur, to improve the comfort of 100 outlet air of indoor unit, mentions
The experience effect of high user.
Fig. 2 to Fig. 8 is please referred to, in certain embodiments, air-conditioning system 1000 includes throttle part 21, and system parameter includes
The aperture ω P of throttle part 21；Air-conditioning system is adjusted according to practical supply air temperature difference D and target supply air temperature difference range [DsA, DsB]
1000 system parameter, comprising:
0161: when actually air-supply temperature D difference is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D <
DsA, increases the aperture ω P of throttle part 21, but must not be higher than the preset maximum opening θ max of throttle part 21；And/or
0162: when practical supply air temperature difference D is greater than the maximum value DsB of target supply air temperature difference range [DsA, DsB], i.e. D >
DsB, reduces the aperture ω P of throttle part 21, but must not be lower than the preset minimum aperture θ min of throttle part 21；And/or
0163: when practical supply air temperature difference D be located at target supply air temperature difference range [DsA, DsB] it is interior when, i.e. DsA≤D≤DsB,
Keep the aperture ω P of throttle part 21 constant.
Fig. 2 to Fig. 8 is please referred to, in certain embodiments, air-conditioning system 1000 includes throttle part 21, and system parameter includes
The aperture ω P of throttle part 21, processor 20 are also used to,
When actually air-supply temperature D difference is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D < DsA increases
The aperture ω P of supernumerary segment stream unit 21, but the preset maximum opening θ max of throttle part 21 must not be higher than；And/or
When practical supply air temperature difference D is greater than the maximum value DsB of target supply air temperature difference range [DsA, DsB], i.e. D > DsB subtracts
The aperture ω P of small restriction part 21, but the preset minimum aperture θ min of throttle part 21 must not be lower than；And/or
When practical supply air temperature difference D be located at target supply air temperature difference range [DsA, DsB] it is interior when, i.e. DsA≤D≤DsB, keep section
The aperture ω P of stream unit 21 is constant.
In other words, step 0161, step 0162 and step 0163 can be realized by processor 20.
Specifically, in air-conditioning system 1000, processor 20 only can handle step 0161, step 0162, step 0163
One of them, for example, step 0161 can be performed in processor 20 (shown in Fig. 4)；Or processor 20 can step 0162 (shown in Fig. 5)；
Or processor 20 can step 0163 (shown in Fig. 6).Alternatively, processor 20 can only execute step 0161, step 0162, step
0163 both wherein, such as step 0161 and step 0162 (as shown in Figure 7) or executable step 0161 can be performed in processor 20
With step 0163 (not shown) or executable step 0162 and 0163 (not shown).Alternatively, step can be performed in processor 20
0161, step 0162 and step 0163 (as shown in Figure 8).
Please refer to Fig. 2 to Fig. 8 in certain embodiments, air-conditioning system 1000 includes throttle part 21, and system parameter includes
The aperture of throttle part 21, adjustment module 70 are also used to:
When actually air-supply temperature D difference is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D < DsA increases
The aperture ω P of supernumerary segment stream unit 21, but the preset maximum opening θ max of throttle part 21 must not be higher than；And/or
When practical supply air temperature difference D is greater than the maximum value DsB of target supply air temperature difference range [DsA, DsB], i.e. D > DsB subtracts
The aperture ω P of small restriction part 21, but the preset minimum aperture θ min of throttle part 21 must not be lower than；And/or
When practical supply air temperature difference D be located at target supply air temperature difference range [DsA, DsB] it is interior when, i.e. DsA≤D≤DsB, keep section
The aperture ω P of stream unit 21 is constant.
In other words, adjustment module 70 adjusts the aperture ω P of throttle part 21, specially execution step 0161, step
0162 and step 0163.
Specifically, in the control device 300 of air-conditioning system 1000, adjustment module 70 can only execute step 0161, step
Rapid 0162, one of step 0163, for example, step 0161 can be performed in adjustment module 70 (shown in Fig. 4)；Or adjustment module 70 can
It executes step 0162 (shown in Fig. 5)；Or step 0163 can be performed in adjustment module 70 (shown in Fig. 6).Alternatively, adjustment module 70 only may be used
To execute step 0161, step 0162, step 0163 wherein the two, such as step 0161 and step can be performed in adjustment module 70
0162 (as shown in Figure 7) or executable step 0161 and step 0163 (not shown) or executable step 0162 and 0163 (figure
Do not show).Alternatively, step 0161, step 0162 and step 0163 (as shown in Figure 8) can be performed in adjustment module 70.
The increased aperture of throttle part 21 and reduced aperture, the preset minimum aperture θ min of throttle part 21 and throttle
The preset maximum opening θ max of part 21 has been set when air-conditioning dispatches from the factory, i.e., throttle part 21 once select it is good just really
It sets.Can store the first adjusting list in air-conditioning system 1000, this first adjust list include practical supply air temperature difference D,
Target supply air temperature difference range [DsA, DsB] and the increased aperture of throttle part 21 and reduced aperture, and there are one between three
One-to-one correspondence, in adjustment process, the increased aperture of throttle part 21 and reduced aperture processor 20 or adjustment module
70 can search in the first adjusting list.Throttle part 21 can be capillary, electric expansion valve etc..
Fig. 4 to Fig. 8 is please referred to, in certain embodiments, according to practical supply air temperature difference D and target supply air temperature difference range
[DsA, DsB] adjusts the system parameter of air-conditioning system 1000, further includes,
015: practical supply air temperature difference D is judged whether in target supply air temperature difference range [DsA, DsB], wherein judging actually to send
Whether wind-warm syndrome difference D is in target supply air temperature difference range [DsA, DsB] in be at interval of scheduled duration X second execute once.
Fig. 4 to Fig. 8 is please referred to, in certain embodiments, processor 20 is also used to judge practical supply air temperature difference D whether in mesh
Mark supply air temperature difference range [DsA, DsB] in, wherein judging practical supply air temperature difference D whether in target supply air temperature difference range [DsA, DsB]
It is inside to be executed once at interval of scheduled duration X seconds.In other words, judge practical supply air temperature difference D whether in target supply air temperature difference model
Enclose [DsA, DsB] it can be realized by processor 20.
Fig. 3, Fig. 4 are please referred to Fig. 8, in some embodiments, the control device 300 of air-conditioning system 1000 further includes judgement
Module 60, whether judgment module 60 is for judging practical supply air temperature difference D in target supply air temperature difference range [DsA, DsB] in, wherein sentencing
Whether disconnected practical supply air temperature difference D is to execute once in target supply air temperature difference range [DsA, DsB] at interval of scheduled duration X seconds.
Judgment module 60 can be at least one and be integrated in processor 20, be also possible to be provided separately with processor 20.
In other words, judgment module 60 can be used for realizing step 015.
Scheduled duration X can be when air-conditioning system 1000 is dispatched from the factory, and set or air-conditioning system 1000 goes out
In use by user's sets itself after factory.Scheduled duration X can be 5 seconds, 10 seconds, 30 seconds, 60 seconds, 100 seconds or
It is other.Scheduled duration is shorter, and the frequency that air-conditioning system 1000 is adjusted is faster, consumes energy bigger, room temperature is more stable.Pre- timing
Longer, the frequency that air-conditioning system 1000 is adjusted is slower, less energy-consuming, but room temperature changes greatly.In some embodiments, when predetermined
For duration in [25, the 60] second, energy consumption and room temperature variation are in preferable states.
The control method of the air-conditioning system 1000 of presently filed embodiment, air-conditioning system 1000 and air-conditioning system 1000
Control device 300 by adjusting the throttle part 21 of air-conditioning system 1000 aperture ω P so that the practical outlet air temperature difference preset
In target supply air temperature difference range [DsA, DsB], the comfort of 100 outlet air of indoor unit is improved.
Fig. 2, Fig. 9 are please referred to Figure 12, in certain embodiments, air-conditioning system 1000 includes indoor unit 100, system parameter
Degree of superheat SH or degree of supercooling SC including indoor unit 100；According to practical supply air temperature difference D and target supply air temperature difference range [DsA,
DsB] adjust air-conditioning system 1000 system parameter, comprising:
0164: when practical supply air temperature difference D is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D <
DsA reduces the degree of superheat SH or degree of supercooling SC of indoor unit 100, the mistake when reducing the degree of superheat SH of indoor unit 100, after reduction
Temperature SH must not be lower than preset minimum target degree of superheat SHmin；When reducing the degree of supercooling SC of indoor unit 100, after reduction
Degree of supercooling SC must not be lower than preset most small tenon degree of supercooling SCmin, and wherein the value of SHmin and SCmin can identical not yet
Together.And/or
0165: when practical supply air temperature difference D is greater than the maximum value of target supply air temperature difference range [DsA, DsB], i.e. D > DsB,
The degree of superheat SH or degree of supercooling SC for increasing indoor unit 100, the degree of superheat when increasing the degree of superheat SH of indoor unit 100, after increase
SH must not be higher than preset maximum target degree of superheat SHmax；Supercooling when increasing the degree of supercooling SC of indoor unit 100, after increase
Preset maximum target degree of supercooling SCmax must not be higher than by spending SC, and wherein the value of SHmax and SCmax can identical or not phase
Together.And/or
0166: when practical supply air temperature difference D is located at target supply air temperature difference range [DsA, DsB] it is interior when, DsA≤D≤DsB, protect
The degree of superheat SH or degree of supercooling SC for holding indoor unit 100 are constant.
In certain embodiments, air-conditioning system 1000 includes indoor unit 100, and system parameter includes the overheat of indoor unit 100
Spend SH or degree of supercooling SC；Processor 20 is also used to:
When practical supply air temperature difference D is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D < DsA subtracts
The degree of superheat SH or degree of supercooling SC of small indoor unit 100, the degree of superheat SH when reducing the degree of superheat SH of indoor unit 100, after reduction
Preset minimum target degree of superheat SHmin must not be lower than；Degree of supercooling when reducing the degree of supercooling SC of indoor unit 100, after reduction
SC must not be lower than preset most small tenon degree of supercooling SCmin, and wherein the value of SHmin and SCmin can be the same or different.With/
Or,
When practical supply air temperature difference D is greater than the maximum value of target supply air temperature difference range [DsA, DsB], i.e. D > DsB increases room
The degree of superheat SH or degree of supercooling SC of interior machine 100, when increasing the degree of superheat SH of indoor unit 100, the degree of superheat SH after increase must not
Higher than preset maximum target degree of superheat SHmax；When increasing the degree of supercooling SC of indoor unit 100, the degree of supercooling SC after increase is not
It obtains and is higher than preset maximum target degree of supercooling SCmax, wherein the value of SHmax and SCmax can be identical or not identical.With/
Or,
When practical supply air temperature difference D be located at target supply air temperature difference range [DsA, DsB] it is interior when, DsA≤D≤DsB is kept indoor
The degree of superheat SH or degree of supercooling SC of machine 100 are constant.
In other words, step 0164, step 0165 and step 0166 can be realized by processor 20.
Specifically, in air-conditioning system 1000, processor 20 only can handle step 0164, step 0165, step 0166
One of them, for example, step 0164 can be performed in processor 20 (shown in Fig. 9)；Or processor 20 can step 0165 (shown in Figure 10)；
Or processor 20 can step 0166 (shown in Figure 11).Alternatively, processor 20 can only execute step 0164, step 0165, step
0166 both wherein, such as step 0164 and step 0165 (as shown in figure 12) or executable step can be performed in processor 20
0164 and step 0166 (not shown) or executable step 0165 and 0166 (not shown).Alternatively, processor 20 can hold step
0164, step 0165 and step 0166 (as shown in figure 13).
Fig. 9 to Figure 13 is please referred to, in certain embodiments, air-conditioning system 1000 includes indoor unit 100, and system parameter includes
The degree of superheat SH or degree of supercooling SC of indoor unit 100, adjustment module 70 are also used to:
When practical supply air temperature difference D is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D < DsA subtracts
The degree of superheat SH or degree of supercooling SC of small indoor unit 100, the degree of superheat SH when reducing the degree of superheat SH of indoor unit 100, after reduction
Preset minimum target degree of superheat SHmin must not be lower than；Degree of supercooling when reducing the degree of supercooling SC of indoor unit 100, after reduction
SC must not be lower than preset most small tenon degree of supercooling SCmin, and wherein the value of SHmin and SCmin can be the same or different.With/
Or,
When practical supply air temperature difference D is greater than the maximum value of target supply air temperature difference range [DsA, DsB], i.e. D > DsB increases room
The degree of superheat SH or degree of supercooling SC of interior machine 100, when increasing the degree of superheat SH of indoor unit 100, the degree of superheat SH after increase must not
Higher than preset maximum target degree of superheat SHmax；When increasing the degree of supercooling SC of indoor unit 100, the degree of supercooling SC after increase is not
It obtains and is higher than preset maximum target degree of supercooling SCmax, wherein the value of SHmax and SCmax can be identical or not identical.With/
Or,
When practical supply air temperature difference D be located at target supply air temperature difference range [DsA, DsB] it is interior when, DsA≤D≤DsB is kept indoor
The degree of superheat SH or degree of supercooling SC of machine 100 are constant.
In other words, adjustment module 70 adjusts the degree of superheat SH or degree of supercooling SC of indoor unit 100, specially execution step
0164, step 0165 and step 0166.
Specifically, in the control device 300 of air-conditioning system 1000, adjustment module 70 can only execute step 0164, step
Rapid 0165, one of step 0166, for example, step 0164 can be performed in adjustment module 70 (shown in Fig. 9)；Or adjustment module 70 can
It executes step 0165 (shown in Figure 10)；Or step 0166 can be performed in adjustment module 70 (shown in Figure 11).Alternatively, adjustment module 70 is only
Step 0164, step 0165, step 0166 wherein the two can be executed, such as step 0164 and step can be performed in adjustment module 70
0165 (as shown in figure 12) or executable step 0164 and step 0166 (not shown) or executable step 0165 and 0166 (figure
Do not show).Alternatively, step 0164, step 0165 and step 0166 (as shown in figure 13) can be performed in adjustment module 70.
Figure 15 is please referred to, indoor unit 100 further includes heat exchanger 23, and the degree of superheat SH of indoor unit 100 is going out for heat exchanger 23
The difference of the inlet temperature TIN of mouth temperature TOUT and heat exchanger 23, i.e. SH=TOUT-TIN.It wherein, can be by being arranged in throttle
Temperature sensor 10 between part 21 and the entrance of heat exchanger 23 obtains the inlet temperature TIN of heat exchanger 23, and can be by setting
The temperature sensor 10 for being placed in the exit of heat exchanger 23 obtains 23 outlet temperature TOUT of heat exchanger.
The degree of supercooling SC of indoor unit 100 is the inlet temperature TIN of heat exchanger 23 and the pressure (condensing pressure) of heat exchanger 23
The difference of corresponding saturation temperature TC, i.e. SC=TC-TIN.It wherein, can be by being set to inside the heat exchanger 23 of indoor unit 100
Temperature sensor 10 and pressure sensor (not shown) obtain the pressure (condensing pressure) of heat exchanger 23 and corresponding with the pressure
Saturation temperature TC；Alternatively, pressure (the condensation pressure of heat exchanger 23 can be obtained by being set to the pressure sensor of outdoor unit 200
Power) and saturation temperature TC corresponding with the pressure.Indoor unit 100 by adjusting throttle part 21 aperture ω P to adjust room
The degree of supercooling SC or degree of superheat SH of interior machine 100；Alternatively, indoor unit 100 is by adjusting the revolving speed of blower 22 to adjust indoor unit
100 degree of supercooling SC or degree of superheat SH；Alternatively, indoor unit 100 adjusts simultaneously by adjusting the aperture ω P of throttle part 21
The revolving speed of blower 22 is to adjust the degree of supercooling SC or degree of superheat SH of indoor unit 100.
The degree of superheat SH or degree of supercooling that the reduced degree of superheat SH or degree of supercooling SC of indoor unit 100, indoor unit 100 increase
SC, default minimum target degree of superheat SHmin or degree of supercooling SCmin and default maximum target degree of superheat SHmax or degree of supercooling
SCmax has been set when air-conditioning dispatches from the factory.The second adjusting list, the list and reality are can store in air-conditioning system 1000
Border supply air temperature difference D and target supply air temperature difference range [DsA, DsB] and the reduced degree of superheat SH or degree of supercooling SC of interior machine 100 and
The degree of superheat SH or degree of supercooling SC that indoor unit 100 increases, there are one-to-one relationships, in adjustment process, indoor unit 100
The degree of superheat SH or degree of supercooling SC that reduced degree of superheat SH or degree of supercooling SC and indoor unit 100 increase can be in the lists
Middle search is learnt.
Fig. 2, Fig. 9 are please referred to Figure 13, in some embodiments, according to practical supply air temperature difference D and target supply air temperature difference model
The system parameter that [DsA, DsB] adjusts air-conditioning system 1000 is enclosed, further includes,
015: practical supply air temperature difference D is judged whether in target supply air temperature difference range [DsA, DsB], wherein judging actually to send
Whether wind-warm syndrome difference D is to execute once in target supply air temperature difference range [DsA, DsB] at interval of preset duration Y.
In some embodiments, whether processor 20 is also used to judge practical supply air temperature difference D in target supply air temperature difference range
In [DsA, DsB], wherein judging whether practical supply air temperature difference D is at interval of pre- in target supply air temperature difference range [DsA, DsB]
If duration Y executes primary.In other words, judge practical supply air temperature difference D whether target supply air temperature difference range [DsA, DsB] can be with
It is realized by processor 20.
Fig. 3, Fig. 9 are please referred to Figure 11, in some embodiments, the control device 300 of air-conditioning further includes judgment module 60,
Judgment module 60 is for judging practical supply air temperature difference D whether in target supply air temperature difference range [DsA, DsB], wherein judgement is practical
Whether supply air temperature difference D is to execute once in target supply air temperature difference range [DsA, DsB] at interval of preset duration Y.In other words,
Judgment module 60 can be used for realizing step 015.
Preset duration can be when air-conditioning system 1000 is dispatched from the factory, and set or air-conditioning system 1000 goes out
In use by user's sets itself after factory.Preset duration Y can be 15 seconds, 20 seconds, 1 minute, 5 minutes or longer.
Wherein, preset duration Y can be equal to, be greater than or be less than scheduled duration X.Preset duration is shorter, what air-conditioning system 1000 was adjusted
Frequency is faster, consumes energy bigger, room temperature is more stable.Preset duration is longer, and the frequency that air-conditioning system 1000 is adjusted is slower, consumption
Can be small, but room temperature changes greatly.In some embodiments, when preset duration is in [20, the 50] second, energy consumption and room temperature variation are in
Preferable states.
2, Fig. 3 and Figure 14 is please referred to, in some embodiments, air-conditioning system 1000 includes the blower 22 of indoor unit 100, is
System parameter includes the revolving speed of blower 22；Air-conditioning system is adjusted according to practical supply air temperature difference D and target supply air temperature difference range [DsA, DsB]
The system parameter of system 1000, comprising:
0167: when actually air-supply temperature D difference is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D <
DsA, increases the revolving speed γ of blower 22, but must not be higher than the preset maximum (top) speed γ max of blower 22；And/or
0168: when practical supply air temperature difference D is greater than the maximum value DsB of target supply air temperature difference range [DsA, DsB], i.e. D >
DsB reduces the revolving speed γ of blower, but must not be lower than the preset minimum speed γ min of blower；And/or
0169: when practical supply air temperature difference D be located at target supply air temperature difference range [DsA, DsB] it is interior when, i.e. DsA≤D≤DsB,
Keep the revolving speed of blower 22 constant.
Fig. 2, Fig. 3 and Figure 14 are please referred to, in some embodiments, air-conditioning system 1000 includes the blower 22 of indoor unit 100,
System parameter includes the revolving speed of blower 22, and processor 20 is also used to:
When actually air-supply temperature D difference is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D < DsA increases
Add the revolving speed γ of blower 22, but the preset maximum (top) speed γ max of blower 22 must not be higher than；And/or
When practical supply air temperature difference D is greater than the maximum value DsB of target supply air temperature difference range [DsA, DsB], i.e. D > DsB subtracts
The revolving speed γ of small blower 22, but the preset minimum speed γ min of blower 22 must not be lower than；And/or
When practical supply air temperature difference D be located at target supply air temperature difference range [DsA, DsB] it is interior when, i.e. DsA≤D≤DsB, keep wind
The revolving speed of machine 22 is constant.
In other words, step 0167, step 0168 and step 0169 can be realized by processor 20.
Specifically, Figure 14 is please referred to, in air-conditioning system 1000, processor 20 only can handle step 0167, step
One of 0168 and step 0169, for example, step 0167 can be performed in processor 20；Or processor 20 can step 0168；Or place
Managing device 20 can step 0169.Alternatively, processor 20 can only execute step 0167, step 0168 and step 0169 wherein the two,
Such as step 0167 and step 0168 or executable step 0167 and step 0169 or executable step can be performed in processor 20
0168 and 0169.Alternatively, step 0167, step 0168 and step 0169 can be performed in processor 20.
Fig. 2, Fig. 3 and Figure 14 are please referred to, in some embodiments, air-conditioning system 1000 includes the blower 22 of indoor unit 100,
System parameter includes the revolving speed of blower 22, and adjustment module 70 is also used to:
When actually air-supply temperature D difference is less than the minimum value DsA of target supply air temperature difference range [DsA, DsB], i.e. D < DsA increases
Add the revolving speed γ of blower 22, but the preset maximum (top) speed γ max of blower 22 must not be higher than；And/or
When practical supply air temperature difference D is greater than the maximum value DsB of target supply air temperature difference range [DsA, DsB], i.e. D > DsB subtracts
The revolving speed γ of small blower 22, but the preset minimum speed γ min of blower 22 must not be lower than；And/or
When practical supply air temperature difference D be located at target supply air temperature difference range [DsA, DsB] it is interior when, i.e. DsA≤D≤DsB, keep wind
The revolving speed of machine 22 is constant.
In other words, adjustment module 70 adjusts the revolving speed γ of blower 22, specially execution step 0167, step 0168
With step 0169.
Specifically, Figure 14 is please referred to, in the control device of air-conditioning system 1000, adjustment module 70 can only execute step
0167, one of step 0168 and step 0169, for example, step 0167 can be performed in adjustment module 70；Or adjustment module 70 can
Execute step 0168；Or step 0169 can be performed in adjustment module 70.Alternatively, adjustment module 70 can only execute step 0167, step
Rapid 0168, both wherein, such as step 0167 and step 0168 or executable step can be performed in adjustment module 70 to step 0169
0167 and step 0169 or executable step 0168 and 0169.Alternatively, step 0167, step 0168 can be performed in adjustment module 70
With step 0169.
Preset maximum (top) speed γ max and preset minimum speed γ min has been set before air-conditioning factory.Air-conditioning system
It can store third in 1000 and adjusted list, it includes practical supply air temperature difference D, target supply air temperature difference range which, which adjusts list,
The revolving speed γ of [DsA, DsB] and blower 22 increased revolving speed γ and reduction, and there are one-to-one relationships, in adjustment process
In, the revolving speed γ processor 20 or adjustment module 70 of the increased revolving speed γ of blower 22 and reduction can be adjusted in list in the third
It searches.
Figure 14 is please referred to, air-conditioning system 1000 includes the blower 22 of indoor unit 100, system parameter packet in certain embodiments
The revolving speed for including blower 22 adjusts air-conditioning system 1000 according to practical supply air temperature difference D and target supply air temperature difference range [DsA, DsB]
System parameter, further includes:,
015: practical supply air temperature difference D is judged whether in target supply air temperature difference range [DsA, DsB], wherein judging actually to send
Whether wind-warm syndrome difference D is to execute once in target supply air temperature difference range [DsA, DsB] at interval of preset time period Z.
Fig. 2 and Figure 14 are please referred to, in certain embodiments, air-conditioning system 1000 includes the blower 22 of indoor unit 100, system
Parameter includes the revolving speed of blower 22, and whether processor 20 is also used to judge practical supply air temperature difference D in target supply air temperature difference range
In [DsA, DsB], wherein judging whether practical supply air temperature difference D is at interval of pre- in target supply air temperature difference range [DsA, DsB]
Duration Z is set to execute once.In other words, judge practical supply air temperature difference D whether target supply air temperature difference range [DsA, DsB] can be with
It is realized by processor 20.
Fig. 2, Fig. 3 and Figure 14 are please referred to, in certain embodiments, the control device 300 of air-conditioning system 1000 further includes sentencing
Disconnected module 60, judgment module 60 are used to judge whether practical supply air temperature difference D to be interior in target supply air temperature difference range [DsA, DsB],
It is middle judge practical supply air temperature difference D whether in the target supply air temperature difference range [DsA, DsB] be at interval of it is preset when set long Z and execute one
It is secondary.Judgment module 60 can be at least one and be integrated in processor 20, be also possible to be provided separately with processor 20.
In other words, judgment module 60 can be used for realizing step 015.
Preset time period Z can be when air-conditioning system 1000 is dispatched from the factory, and set or air-conditioning system 1000 goes out
In use by user's sets itself after factory.Preset duration can be 20 seconds, 40 seconds, 50 seconds, 3 minutes, 5 minutes,
10 minutes or other.Preset time period is shorter, and the frequency that air-conditioning system 1000 is adjusted is faster, consumes energy bigger, room temperature compares
Stablize.Preset time period is longer, and the frequency that air-conditioning system 1000 is adjusted is slower, less energy-consuming, but room temperature changes greatly.Work as preset time period
In [30, the 60] second, energy consumption and room temperature variation are in preferable states.
Preset duration X seconds, scheduled duration Y and preset time period Z can be the same or different, and be arranged according to actual needs.
In the description of this specification, reference term " certain embodiments ", " embodiment ", " some embodiment party
The description of formula ", " exemplary embodiment ", " example ", " specific example " or " some examples " means in conjunction with the embodiment
Or example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the application.
In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, description
Particular features, structures, materials, or characteristics can be in any one or more embodiments or example with suitable side
Formula combines.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one described feature.In the description of the present application, the meaning of " plurality " is at least two, such as two,
Three, unless otherwise specifically defined.
Although embodiments herein has been shown and described above, it is to be understood that above-described embodiment is example
Property, it should not be understood as the limitation to the application, those skilled in the art within the scope of application can be to above-mentioned
Embodiment is changed, modifies, replacement and variant, and scope of the present application is defined by the claims and their equivalents.
Claims (11)
1. a kind of control method of air-conditioning system characterized by comprising
Detect the leaving air temp of environment temperature and the air-conditioning system；
The load of the air-conditioning system is calculated according to the set temperature of the air-conditioning system and the environment temperature；
Preset target supply air temperature difference range is determined according to the load；
Practical supply air temperature difference is calculated according to the set temperature of the air-conditioning system and the leaving air temp；And
The system parameter of the air-conditioning system is adjusted according to the practical supply air temperature difference and the target supply air temperature difference range.
2. control method according to claim 1, which is characterized in that the air-conditioning system includes throttle part, the system
System parameter includes the aperture of the throttle part；It is described according to the practical supply air temperature difference and the target supply air temperature difference range tune
Save the system parameter of the air-conditioning system, comprising:
When the practical supply air temperature difference is less than the minimum value of the target supply air temperature difference range, increase opening for the throttle part
Degree；And/or
When the practical supply air temperature difference is greater than the maximum value of the target supply air temperature difference range, reduce opening for the throttle part
Degree；And/or
When the practical supply air temperature difference is located within the scope of the target supply air temperature difference, the aperture of the throttle part is kept not
Become.
3. control method according to claim 2, which is characterized in that sent according to the practical supply air temperature difference with the target
Wind the temperature difference range adjusts the system parameter of the air-conditioning system, further includes:
The practical supply air temperature difference is judged whether within the scope of the target supply air temperature difference, wherein the judgement practical air-supply
Whether the temperature difference is to execute once within the scope of the target supply air temperature difference at interval of scheduled duration.
4. control method according to claim 1, which is characterized in that the air-conditioning system includes indoor unit, the system
Parameter includes the degree of superheat and degree of supercooling of the indoor unit；It is described according to the practical supply air temperature difference and the target supply air temperature difference
Range adjusts the system parameter of the air-conditioning system, comprising:
When the practical supply air temperature difference is less than the minimum value of the target supply air temperature difference range, reduce the overheat of the indoor unit
Degree or degree of supercooling；And/or
When the practical supply air temperature difference is greater than the maximum value of the target supply air temperature difference range, increase the overheat of the indoor unit
Degree or degree of supercooling；And/or
When the practical supply air temperature difference is located within the scope of the target supply air temperature difference, the degree of superheat or mistake of the indoor unit are kept
Cold degree is constant.
5. control method according to claim 4, which is characterized in that sent according to the practical supply air temperature difference with the target
Wind the temperature difference range adjusts the system parameter of the air-conditioning system, further includes:
The practical supply air temperature difference is judged whether within the scope of the target supply air temperature difference, wherein the judgement practical air-supply
Whether the temperature difference is to execute once within the scope of the target supply air temperature difference at interval of preset duration.
6. a kind of air-conditioning system characterized by comprising
Temperature sensor, for detecting the leaving air temp of environment temperature and the air-conditioning system；And
Processor, the processor are used for:
The load of the air-conditioning system is calculated according to the set temperature of the air-conditioning system and the environment temperature；
Preset target supply air temperature difference range is determined according to the load；
Practical supply air temperature difference is calculated according to the set temperature of the air-conditioning system and the leaving air temp；And
The system parameter of the air-conditioning system is adjusted according to the practical supply air temperature difference and the target supply air temperature difference range.
7. air-conditioning system according to claim 6, which is characterized in that the air-conditioning system includes throttle part, the system
System parameter includes the aperture of the throttle part；The processor is also used to:
When the practical supply air temperature difference is less than the minimum value of the target supply air temperature difference range, control increases the throttle part
Aperture；And/or
When the practical supply air temperature difference is greater than the maximum value of the target supply air temperature difference range, control reduces the throttle part
Aperture；And/or
When the practical supply air temperature difference is located within the scope of the target supply air temperature difference, the aperture of the throttle part is controlled not
Become.
8. air-conditioning system according to claim 7, which is characterized in that the processor is also used to:
The practical supply air temperature difference is judged whether within the scope of the target supply air temperature difference, wherein the judgement practical air-supply
Whether the temperature difference is to execute once within the scope of the target supply air temperature difference at interval of scheduled duration.
9. air-conditioning system according to claim 6, which is characterized in that the air-conditioning system includes indoor unit, the system
Parameter includes the degree of superheat and degree of supercooling of the indoor unit；The processor is also used to:
When the practical supply air temperature difference is less than the minimum value of the target supply air temperature difference range, control reduces the indoor unit
The degree of superheat or degree of supercooling；And/or
When the practical supply air temperature difference is greater than the maximum value of the target supply air temperature difference range, control increases the throttle part
The degree of superheat or degree of supercooling；And/or
When the practical supply air temperature difference is located within the scope of the target supply air temperature difference, control the throttle part the degree of superheat or
Degree of supercooling is constant.
10. air-conditioning system according to claim 9, which is characterized in that the processor is also used to:
The practical supply air temperature difference is judged whether within the scope of the target supply air temperature difference, wherein the judgement practical air-supply
Whether the temperature difference is to execute once within the scope of the target supply air temperature difference at interval of preset duration.
11. a kind of control device of air-conditioning system characterized by comprising
Temperature sensor, for detecting the leaving air temp of environment temperature and the air-conditioning system；
First computing module, for calculating the air-conditioning system according to the set temperature of the air-conditioning system and the environment temperature
Load；
Determining module, for determining preset target supply air temperature difference range according to the load；
Second computing module, for calculating practical air-supply temperature according to the set temperature of the air-conditioning system and the leaving air temp
Difference；And
Adjustment module, for adjusting the air-conditioning system according to the practical supply air temperature difference and the target supply air temperature difference range
System parameter.
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Application publication date: 20190716 |