CN106545977A - The control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit - Google Patents
The control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit Download PDFInfo
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- CN106545977A CN106545977A CN201611246720.1A CN201611246720A CN106545977A CN 106545977 A CN106545977 A CN 106545977A CN 201611246720 A CN201611246720 A CN 201611246720A CN 106545977 A CN106545977 A CN 106545977A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0008—Control or safety arrangements for air-humidification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- 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
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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
- F24F11/70—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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Atmospheric Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, by the running status of automatic control compressor, threeway ratio adjusting valve, electrical auxiliary heater and humidifier, realize shunting Wind-cooling type thermostatic and humidistatic air conditioning unit to adjust the constant temperature and humidity of air, reheater condenser is provided with the air conditioner, the heat for being emitted into air is needed to heat air using the script entrained by the cold-producing medium after compression, so as to instead of the electric heater in the constant-temperature constant-humidity air-conditioner of prior art, play a part of energy-conserving and environment-protective;The refrigerant flow into reheater condenser and air-cooled condenser is adjusted by controlling threeway ratio adjusting valve, further realizes carrying out air heating the purpose of accurate adjustment.
Description
Technical field
The present invention relates to field of air conditioning, more particularly to a kind of control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit.
Background technology
Existing Wind-cooling type thermostatic and humidistatic air conditioning unit, using vaporizer cool-down dehumidification, by electrical heating reheating homoiothermic, then leads to
Humidifier damping is crossed, reaching humiture has the requirement of air-conditioned room of particular/special requirement, there is provided constant temperature and humidity air-treatment.But,
Due to general Wind-cooling type thermostatic and humidistatic air conditioning unit, reheating homoiothermic is all completed using electrical heating, and compressor major part feelings
Condition works under conditions of frequency is determined, if compressor standard-sized sheet, under partial load condition, compressor cold is bigger than normal, air conditioner
Wind pushing temperature needs substantial amounts of electrical heating to realize thermal compensation, it is ensured that constant temperature and humidity significantly less than the requirement of the warm and humid angle value of setting
Purpose, though the method can reach the purpose of constant temperature and humidity, energy consumption is very big.With the existing thermostatic and humidistatic air conditioning unit group of a 25kW
As a example by, in addition to electrical heating, whole machine rated power only 10kW, but need the reheating electrical heating amount of supporting 18kW, reheating electrical heating amount
The twice of air conditioner is reached, energy consumption is very huge, high energy consumption, and the operation of powerful electric heater, easily there is overheated, mistake
Stream, burn, or even it is on fire the problems such as, run it is unreliable.
It can be seen that, prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of shunting Wind-cooling type constant temperature is permanent
The control method of wet air conditioner, facilitates the regulation of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, reaches the purpose of energy-conserving and environment-protective.
In order to achieve the above object, this invention takes technical scheme below:
A kind of control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, comprises the following steps:
S100, the setting that air at return air inlet is pre-entered in the controller of the shunting Wind-cooling type thermostatic and humidistatic air conditioning unit
Setting humidity Φ 2 of air, return air humid control amplitude Φ 3, air-supply at temperature T2, return air temperature span of control limit of control T3, return air inlet
Setting humidity Φ 5 of air and blasting humidity control at the design temperature T5 of air, wind pushing temperature span of control limit of control T6, air outlet at mouthful
Amplitude Φ processed 6;
S200, the controller of the air conditioner judge to hold if current control targe is as the air themperature at air conditioner return air inlet
Row step S300, the controller of the air conditioner are judged if current control targe is as the air themperature at air conditioner air outlet
Execution step S400;
S300, the first temperature sensor being arranged at the air conditioner return air inlet and the first humidity sensor detect return air respectively
Actual temperature T1 and actual humidity Φ 1 of air testing result is fed back to into the controller at mouthful, the controller is by T1
With(T2+T3)And(T2-T3)Make comparisons, and the controller by Φ 1 with(Φ2+Φ3)And(Φ2-Φ3)Make comparisons,
According to above-mentioned result of the comparison, the controller sends corresponding instruction control threeway ratio adjusting valve, auxiliary heater respectively
And the running status of humidifier is until air reaches constant temperature and humidity at return air inlet;
S400, the second temperature sensor being arranged at the air conditioner air outlet and the second humidity sensor detect return air respectively
Actual temperature T4 and actual humidity Φ 4 of air testing result is fed back to into the controller at mouthful, the controller is by T4
With(T5+T6)And(T5-T6)Make comparisons, and the controller by Φ 4 with(Φ5+Φ6)And(Φ5-Φ6)Make comparisons,
According to above-mentioned result of the comparison, the controller sends corresponding instruction control threeway ratio adjusting valve, auxiliary heater respectively
And the running status of humidifier is until air reaches constant temperature and humidity at air outlet.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the step 300 is specifically included:
If T1 >=(T2+T3), and Φ 1 >=(Φ2+Φ3), or when T1 >=(T2+T3), and(Φ2+Φ3)≥Φ1≥(Φ
2-Φ3)When, the controller controls compressor unlatching, the third channel aperture minimum of threeway ratio adjusting valve and second channel
Aperture is maximum, and electrical auxiliary heater is shut down, and humidifier is shut down;
If T1 >=(T2+T3), and 1 < of Φ(Φ2-Φ3), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture it is minimum and second channel aperture is maximum, electrical auxiliary heater is shut down, and humidifier starts;
If(T2+T3)≥T1≥(T2-T3), and Φ 1 >=(Φ2+Φ3), the controller control compressor unlatching, threeway ratio
The increase of third channel aperture and the reduction of second channel aperture of example regulating valve, auxiliary electrical heater are shut down, and humidifier is shut down;
If(T2+T3)≥T1≥(T2-T3), and(Φ2+Φ3)≥Φ1≥(Φ2-Φ3), the compressor, threeway ratio
Regulating valve, electrical auxiliary heater and humidifier keep original state;
If(T2+T3)≥T1≥(T2-T3), and 1 < of Φ(Φ2-Φ3), the compressor, threeway ratio adjusting valve and auxiliary
Electric heater keeps original state, the controller control humidifier to start;
If T1 is <(T2-T3), and Φ 1 >=(Φ2+Φ3), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture increases and second channel aperture reduces, and humidifier is shut down;If threeway ratio adjusting valve third channel aperture
Reach 100% and second channel aperture has reached 0%, then controlled auxiliary electrical heater and start;
If T1 is <(T2-T3), and(Φ2+Φ3)≥Φ1≥(Φ2-Φ3), the controller control compressor shutdown, threeway
Ratio adjusting valve keeps original state, electrical auxiliary heater to start, and humidifier keeps original state;
If T1 is <(T2-T3), and 1 < of Φ(Φ2-Φ3), the controller control compressor shutdown, threeway ratio adjusting valve
Original state, electrical auxiliary heater is kept to start, humidifier starts;
Step S400 is specifically included:
If T4 >=(T5+T6), and Φ 4 >=(Φ5+Φ6), or when T4 >=(T5+T6), and(Φ5+Φ6)≥Φ4≥(Φ
5-Φ6)When, the controller controls compressor unlatching, the third channel aperture minimum of threeway ratio adjusting valve and second channel
Aperture is maximum, and auxiliary electrical heater is shut down, and humidifier is shut down;
If T4 >=(T5+T6), and 4 < of Φ(Φ5-Φ6), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture it is minimum and second channel aperture is maximum, electrical auxiliary heater is shut down, and humidifier starts;
If(T5+T6)≥T4≥(T5-T6), and Φ 4 >=(Φ5+Φ6), the controller control compressor unlatching, threeway ratio
The third channel aperture of example regulating valve is opened big and second channel aperture and is reduced, and electrical auxiliary heater is shut down, and humidifier is shut down;
If(T5+T6)≥T4≥(T5-T6), and(Φ5+Φ6)≥Φ4≥(Φ5-Φ6), the compressor, threeway ratio
Regulating valve, electrical auxiliary heater and humidifier keep original state;
If(T5+T6)≥T4≥(T5-T6), and 4 < of Φ(Φ5-Φ6), the compressor, threeway ratio adjusting valve and auxiliary
Electric heater keeps original state, the controller control humidifier to start;
If T4 is <(T5-T6), and Φ 4 >=(Φ5+Φ6), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture increase and second channel aperture reduce, humidifier shut down;If the third channel of threeway ratio adjusting valve
Aperture has reached 100% and second channel aperture has reached 0%, then control electrical auxiliary heater and start;
If T4 is <(T5-T6), and(Φ5+Φ6)≥Φ4≥(Φ5-Φ6), the controller control compression shutdown, threeway ratio
Example regulating valve keeps original state, electrical auxiliary heater to start regulation, and humidifier keeps original state;
If T4 is <(T5-T6), and 4 < of Φ(Φ5-Φ6), the controller control compression shutdown, threeway ratio adjusting valve are protected
Original state is held, electrical auxiliary heater starts, and humidifier starts.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the regulation side of the electrical auxiliary heater
Formula is multistage start stop mode, and in the case where the electrical auxiliary heater is opened, the electrical auxiliary heater is divided into N levels, and M is to need
The series of startup, the N and M is the positive integer more than or equal to 2, and the concrete regulative mode of the electrical auxiliary heater is as follows:
As T1 <(T2-T3)During/N × M, or work as T4 <(T5-T6)During/N × M, the electrical auxiliary heater opens M levels;
When(T2+T3)/N×M≥T1≥(T2-T3)During/N*M, or work as(T5+T3)/N×M≥T4≥(T5-T6)/N×M
When, the auxiliary electrical heater keeps the series of original unlatching;
When T1 >=(T2+ T3)During/N × M, or when T4 >=(T5+T6)During/N × M, the auxiliary electrical heater is closed(N-M)
Level.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the regulation side of the electrical auxiliary heater
Formula is step-less adjustment, and regulative mode is specific as follows:
As T1 <(T2-T3)When, or work as T4 <(T5-T6)When, the electrical auxiliary heater improves heating amount;
When(T2+ T3)≥T1≥(T2-T3)When, or when T5+ T6 >=T4 >=(T5-T6)Shi Suoshu electrical auxiliary heaters are protected
Hold original heating amount;
When T1 >=(T2+T3)When, or when T4 >=(T5+T6)When, the electrical auxiliary heater reduces heating amount.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the regulative mode of the humidifier is concrete
For:
As 1 < of Φ(Φ2-Φ3)When, or work as 4 < of Φ(Φ5-Φ6)When, the humidifier improves humidification amount;
When(Φ2+Φ3)≥Φ1≥(Φ2-Φ3)When, or as Φ 5+ Φ 6 >=Φ, 4 >=Φ 5- Φ 6, the humidifier
Keep original state;
When Φ 1 >=(Φ2+Φ3)When, or when Φ 4 >=(Φ5+Φ6)When, the humidifier reduces humidification amount.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the step 300 and step S400 are equal
It is including control method of the controller to condensation fan running status, specific as follows:
When condensation fan speed regulator is adjusted to open, stopping, and the pressure transducer output being arranged on compressor outlet pipeline
For switching value when, the pressure transducer outputs signal to controller, when output signal be low-voltage signal when, the controller control
Condensation fan processed stops, and when output signal is high-voltage signal, the controller control condensation fan is opened so that compressor is arranged
Atmospheric pressure is in safety range;
When the regulative mode of condensation fan is stepless speed regulation, and the pressure transducer being arranged on compressor outlet pipeline is output as
During analog quantity, the refrigeration system condensing pressure numerical value that the controller is detected according to pressure transducer, control condensation fan are adjusted
Condensing pressure of the fast device according to the pressure value step-less adjustment refrigeration system of pressure transducer:When condensing pressure is reduced, infinitely
Reduce the aperture of condensation fan speed regulator, when condensing pressure rises, infinitely increase the aperture of condensation fan speed regulator so that
Compressor Discharge Pressure is in safety range.
Beneficial effect:
Running status of the present invention by automatic control compressor, threeway ratio adjusting valve, electrical auxiliary heater and humidifier,
Realize shunting Wind-cooling type thermostatic and humidistatic air conditioning unit to adjust the constant temperature and humidity of air, in the air conditioner, be provided with reheating condensation
Device, needs the heat for being emitted into air to heat air using the script entrained by the cold-producing medium after compression, so as to substitute
Electric heater in the constant-temperature constant-humidity air-conditioner of prior art, plays a part of energy-conserving and environment-protective;By controlling threeway proportion adjustment
Valve is further realized accurately adjusting air heating adjusting the refrigerant flow into reheater condenser and air-cooled condenser
The purpose of section.
Description of the drawings
The fundamental diagram figure of the shunting Wind-cooling type thermostatic and humidistatic air conditioning unit that Fig. 1 is provided for the present invention.
The control principle block diagram of the shunting Wind-cooling type thermostatic and humidistatic air conditioning unit that Fig. 2 is provided for the present invention.
The FB(flow block) of the control method of the shunting Wind-cooling type thermostatic and humidistatic air conditioning unit that Fig. 3 is provided for the present invention.
Specific embodiment
The present invention provides a kind of control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, for make the purpose of the present invention,
Technical scheme and effect are clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Ying Ru
Fruit understands that specific embodiment described herein only to explain the present invention, is not intended to limit the present invention.
Fig. 1 is referred to, the present invention provides a kind of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, and 90 in Fig. 1 are used for illustrating
Air circulation duct in the air conditioner, it is therefore intended that express the setting order of all parts in the passage.The direction of arrow in Fig. 1
For the flow direction of circulation air.
Described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit includes housing(It is not drawn in figure), and be arranged at the shell
Internal compressor 101, is sequentially connected the reheater condenser 102, expansion valve of the outlet of the compressor 101 in the housing
105 and vaporizer 106, the humidifier 205 being arranged in the housing, the pressure fan being arranged at the air conditioner air outlet
206th, and be arranged at outdoor air-cooled condenser 102 and corresponding condensation fan 1021;The outlet connection of the vaporizer 106
The entrance of the compressor 101, the import of the reheater condenser 103 and the import of air-cooled condenser 102 pass through threeway ratio
Regulating valve 109 is connected with the outlet of the compressor 101, the outlet of the reheater condenser 103 and going out for air-cooled condenser 102
Mouth is connected in parallel the entrance of the expansion valve 105;The vaporizer 106, reheater condenser 103 and humidifier 205 are along described
In housing, air-flow direction sets gradually.Form of the above-mentioned threeway ratio adjusting valve for " One In and Two Out ", threeway proportion adjustment
Valve import connects the outlet of compressor, and two outlets of threeway ratio adjusting valve connect air-cooled condenser and reheating condensation respectively
Device.For the ease of illustrating, passage that the threeway ratio adjusting valve is connected with compressor is set as first passage, the threeway ratio
The interface channel of regulating valve and air-cooled condenser is second channel, the passage that the threeway ratio adjusting valve is connected with reheater condenser
For third channel.
The cyclic process of the cycle of operation and air of division cold-producing medium in detailed below:
The heat of the liquid refrigerant absorption air in the vaporizer simultaneously evaporates, and is then sucked and is compressed by compressor,
Gaseous refrigerant after compression is condensed in respectively enteing air-cooled condenser and reheater condenser by threeway ratio adjusting valve
Liquid, then after expansion valve throttles become low-temperature low-pressure refrigerant and enter vaporizer, complete refrigerant circulating process.
In the presence of the pressure fan, air sucks to form circulation air from the return air inlet of air conditioner, circulation air Jing
Exchange heat with liquid refrigerant during pervaporation device(Now cold-producing medium heat absorption is evaporated)And go out the elutriation in air so as to realize drop
Temperature, dehumidifying, circulation air are exchanged heat with the gaseous refrigerant after compression further across reheater condenser(Now cold-producing medium heat release quilt
Condensation), i.e., the used heat that the script entrained by cold-producing medium should be discharged into the atmosphere is used to heat cycles air, and circulation air is entered
One step is through humidifier and humidifies certain humidity, finally sends from the air outlet of air conditioner, mixes with room air, mixes
Air afterwards is returned to the return air inlet of air conditioner, so as to form the cycle of operation of air.
As the used heat produced in cold-producing medium working cycle process is more than the heat needed for circulation air heating, therefore, institute
The reheater condenser stated can replace the high-power electric heater in the thermostatic and humidistatic air conditioning unit of prior art completely, not only realize
Heating to circulation air, while having saved mass energy so that and avoid when high-power electric heater runs and occur
Overheated, excessively stream, burn, in addition it is on fire the problems such as, improve the security reliability of air conditioner.Additionally, the present invention passes through threeway ratio
Example regulating valve is distributed come the cold-producing medium adjusted into reheater condenser with air-cooled condenser, that is, realize step-less adjustment and enter reheating
The refrigerant flow of condenser(I.e. step-less adjustment enters the used heat heat of reheater condenser), therefore can according to the actual requirements,
The cold-producing medium of most suitable flow is provided to reheater condenser, the control accuracy of the air conditioner greatly improved.As can be seen here, this
It is bright by arranging reheater condenser, be effectively utilized the used heat for originally needing to be dispersed in air, saved the substantial amounts of energy, together
When, by and air-cooled condenser the shunt regulating of cold-producing medium is carried out by threeway ratio adjusting valve, improve control accuracy, protect
The operation of air-conditioner is demonstrate,proved reliable and stable, energy-efficient.
In due to practical application, it is less in the case of the compressor 101 of air-conditioning need not open, in order to sky still can be reached
The constant temperature effect of gas, is additionally provided with electrical auxiliary heater 20, between the reheater condenser 103 and humidifier 205 if that is,
When compressor 101 does not start, the circulation air in the air conditioner is heated by electrical auxiliary heater 204, is met
The air conditioner normally runs.It should be noted that above-mentioned electrical auxiliary heater is to open to carry out auxiliary heating under a few cases,
Therefore the high-power electric heater of thermostatic and humidistatic air conditioning unit compared to existing technology, its power is little, run time is few, without burning
Ruin, the potential safety hazard such as on fire.
Further, in described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the entrance of the expansion valve is connected with one
Reservoir, the entrance of the reservoir connect the outlet of the reheater condenser and the outlet of air-cooled condenser.The air-cooled condensations of Jing
The liquid refrigerant of device and reheater condenser condensation enters row buffering into fluid reservoir, is then gone forward side by side by expansion valve flow restriction control
One stepping enters vaporizer, that is, the flow of the liquid refrigerant into vaporizer is controlled, it is ensured that air is passed through
Effectively can be lowered the temperature during vaporizer, dehumidify purpose.
In order to improve the purified treatment to air, air filter 201 is additionally provided with the return air inlet of the air conditioner.
I.e. air first passes through the air filter 201 and carries out purified treatment, and subsequently into air conditioner inside, therefore the air conditioner is full
On the basis of sufficient room air constant temperature and humidity, the degree of purification of air is further improves.
Further, in described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, set on 101 inlet pipeline of the compressor
The first non-return valve 111 is equipped with, on the compressor outlet pipeline, it is provided with the second non-return valve 112, the reheater condenser goes out
A check valve 1041 is respectively arranged with mouth pipeline and the outlet conduit of air-cooled condenser.By arranging above-mentioned first check
Valve, the second non-return valve and check valve, it is ensured that cold-producing medium one-way flow in blood circulation, it is to avoid flow backwards sending out for phenomenon
It is raw, improve the operational reliability of air conditioner.
Further, Fig. 1 and Fig. 2 is referred to, in described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the compressor
First pressure table 121 and first pressure switch 131 are provided with 101 inlet pipeline, are set on the outlet conduit of the compressor
It is equipped with second pressure table 122, second pressure switch 132 and pressure transducer 301.By arrange above-mentioned first pressure table, the
One pressure switch, second pressure table, second pressure switch, and pressure transducer, the convenient inlet and outlet gas to compressor
The monitoring of state refrigerant pressure, further ensures compressor and normally runs, it is to avoid the import and export gas superpressure of compressor occurs
Or the phenomenon such as insufficient pressure.
In the present embodiment, the first temperature sensor 302 and the first humidity sensor at the air conditioner return air inlet, are provided with
303, second temperature sensor 304 and the second humidity sensor 305 are provided with the air conditioner air outlet;The auxiliary electricity adds
Hot device 204, humidifier 205, pressure fan 206, condensation fan 1021, compressor 101, threeway ratio adjusting valve 109, first pressure
Switch 131, second pressure switch 132, pressure transducer 301, the first temperature sensor 302, second temperature sensor 304, the
One humidity sensor 303, the second humidity sensor 305 pass through the control of sensor data acquisition system 31 and the air conditioner respectively
Device processed 30 connects.First temperature sensor and second temperature sensor detect the sky of air conditioner return air inlet and air outlet respectively
Temperature degree, and detected value is fed back to into controller, controller further adjusts the control of threeway ratio adjusting valve and condenses into reheating
The refrigerant flow of device adjusts electrical auxiliary heater(When compressor is not actuated), so as to be adjusted to the temperature of air.Institute
State the first humidity sensor and the second humidity sensor detects the air humidity of air conditioner return air inlet and air outlet respectively, and will inspection
Measured value feeds back to controller, and controller further controls the ruuning situation of humidifier so as to be adjusted to the humidity of air.Institute
The air pressure that pressure transducer detects compressor outlet is stated, and detected value is fed back to into controller, controller further controls condensation
The ruuning situation of blower fan, it is ensured that compressor outlet air pressure is in normal range;Further, condensation fan is adjusted by condensation fan
Fast device 1022 connects controller, therefore main controller can adjust the rotating speed of condensation fan by condensation fan.Additionally, the air conditioner
Controller can also control pressure fan, compressor, first pressure switch, second pressure switch etc. part ruuning situation.By
This is visible, and the air conditioner can automatically adjust the temperature and humidity of air, reaches the purpose of constant temperature and humidity, and according to practical situation
Automatically control the ruuning situation of pressure fan, condensation fan and compressor.
In described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the humidifier be motor humidifier, electric heating humidifier,
One kind in dry steam humidifier, wet-membrane humidifier and high-pressure micro mist humidifier.
In described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the regulative mode of the electrical auxiliary heater is multistage tune
Section or step-less adjustment.
In sum, the present invention is needed using the script entrained by the cold-producing medium after compression by arranging reheater condenser
The heat for being emitted into air is heated to air, so as to instead of the electric heater in the constant-temperature constant-humidity air-conditioner of prior art,
The effect of energy-conserving and environment-protective is not only acted as, the security reliability of the air-conditioning is also improved.The present invention also passes through threeway ratio adjusting valve
To adjust the refrigerant flow into reheater condenser and air-cooled condenser, so as to realize carrying out accurate adjustment to air heating
Purpose.By arranging electrical auxiliary heater, it is ensured that the purpose of air constant temperature can be also reached when compressor is not opened.Pass through
The degree of purification that air filter further increases air is provided with the return air inlet of air conditioner.
Fig. 3 is referred to, according to above-mentioned shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the present invention provides a kind of shunting wind
The control method of cold mould thermostatic and humidistatic air conditioning unit, comprises the following steps:
S100, the setting that air at return air inlet is pre-entered in the controller of the shunting Wind-cooling type thermostatic and humidistatic air conditioning unit
Setting humidity Φ 2 of air, return air humid control amplitude Φ 3, air-supply at temperature T2, return air temperature span of control limit of control T3, return air inlet
Setting humidity Φ 5 of air and blasting humidity control at the design temperature T5 of air, wind pushing temperature span of control limit of control T6, air outlet at mouthful
Amplitude Φ processed 6;
S200, the controller of the air conditioner judge to hold if current control targe is as the air themperature at air conditioner return air inlet
Row step S300, the controller of the air conditioner are judged if current control targe is as the air themperature at air conditioner air outlet
Execution step S400;Controller mode can be instructed etc. by receive user sentencing current control targe at air conditioner return air inlet or
Air themperature at air outlet;
S300, the first temperature sensor being arranged at the air conditioner return air inlet and the first humidity sensor detect return air respectively
Actual temperature T1 and actual humidity Φ 1 of air testing result is fed back to into the controller at mouthful, the controller is by T1
With(T2+T3)And(T2-T3)Make comparisons, and the controller by Φ 1 with(Φ2+Φ3)And(Φ2-Φ3)Make comparisons,
According to above-mentioned result of the comparison, the controller sends corresponding instruction control threeway ratio adjusting valve, auxiliary heater respectively
And the running status of humidifier is until air reaches constant temperature and humidity at return air inlet;
S400, the second temperature sensor being arranged at the air conditioner air outlet and the second humidity sensor detect return air respectively
Actual temperature T4 and actual humidity Φ 4 of air testing result is fed back to into the controller at mouthful, the controller is by T4
With(T5+T6)And(T5-T6)Make comparisons, and the controller by Φ 4 with(Φ5+Φ6)And(Φ5-Φ6)Make comparisons,
According to above-mentioned result of the comparison, the controller sends corresponding instruction control threeway ratio adjusting valve, auxiliary heater respectively
And the running status of humidifier is until air reaches constant temperature and humidity at air outlet.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the step 300 is specifically included:
If T1 >=(T2+T3), and Φ 1 >=(Φ2+Φ3), or when T1 >=(T2+T3), and(Φ2+Φ3)≥Φ1≥(Φ
2-Φ3)When, the controller controls compressor unlatching, the third channel aperture minimum of threeway ratio adjusting valve and second channel
Aperture is maximum, and electrical auxiliary heater is shut down, and humidifier is shut down;
If T1 >=(T2+T3), and 1 < of Φ(Φ2-Φ3), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture it is minimum and second channel aperture is maximum, electrical auxiliary heater is shut down, and humidifier starts;
If(T2+T3)≥T1≥(T2-T3), and Φ 1 >=(Φ2+Φ3), the controller control compressor unlatching, threeway ratio
The increase of third channel aperture and the reduction of second channel aperture of example regulating valve, auxiliary electrical heater are shut down, and humidifier is shut down;
If(T2+T3)≥T1≥(T2-T3), and(Φ2+Φ3)≥Φ1≥(Φ2-Φ3), the compressor, threeway ratio
Regulating valve, electrical auxiliary heater and humidifier keep original state;
If(T2+T3)≥T1≥(T2-T3), and 1 < of Φ(Φ2-Φ3), the compressor, threeway ratio adjusting valve and auxiliary
Electric heater keeps original state, the controller control humidifier to start;
If T1 is <(T2-T3), and Φ 1 >=(Φ2+Φ3), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture increases and second channel aperture reduces, and humidifier is shut down;If threeway ratio adjusting valve third channel aperture
Reach 100% and second channel aperture has reached 0%, then controlled auxiliary electrical heater and start;
If T1 is <(T2-T3), and(Φ2+Φ3)≥Φ1≥(Φ2-Φ3), the controller control compressor shutdown, threeway
Ratio adjusting valve keeps original state, electrical auxiliary heater to start, and humidifier keeps original state;
If T1 is <(T2-T3), and 1 < of Φ(Φ2-Φ3), the controller control compressor shutdown, threeway ratio adjusting valve
Original state, electrical auxiliary heater is kept to start, humidifier starts;
Step S400 is specifically included:
If T4 >=(T5+T6), and Φ 4 >=(Φ5+Φ6), or when T4 >=(T5+T6), and(Φ5+Φ6)≥Φ4≥(Φ
5-Φ6)When, the controller controls compressor unlatching, the third channel aperture minimum of threeway ratio adjusting valve and second channel
Aperture is maximum, and auxiliary electrical heater is shut down, and humidifier is shut down;
If T4 >=(T5+T6), and 4 < of Φ(Φ5-Φ6), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture it is minimum and second channel aperture is maximum, electrical auxiliary heater is shut down, and humidifier starts;
If(T5+T6)≥T4≥(T5-T6), and Φ 4 >=(Φ5+Φ6), the controller control compressor unlatching, threeway ratio
The third channel aperture of example regulating valve is opened big and second channel aperture and is reduced, and electrical auxiliary heater is shut down, and humidifier is shut down;
If(T5+T6)≥T4≥(T5-T6), and(Φ5+Φ6)≥Φ4≥(Φ5-Φ6), the compressor, threeway ratio
Regulating valve, electrical auxiliary heater and humidifier keep original state;
If(T5+T6)≥T4≥(T5-T6), and 4 < of Φ(Φ5-Φ6), the compressor, threeway ratio adjusting valve and auxiliary
Electric heater keeps original state, the controller control humidifier to start;
If T4 is <(T5-T6), and Φ 4 >=(Φ5+Φ6), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture increase and second channel aperture reduce, humidifier shut down;If the third channel of threeway ratio adjusting valve
Aperture has reached 100% and second channel aperture has reached 0%, then control electrical auxiliary heater and start;
If T4 is <(T5-T6), and(Φ5+Φ6)≥Φ4≥(Φ5-Φ6), the controller control compression shutdown, threeway ratio
Example regulating valve keeps original state, electrical auxiliary heater to start regulation, and humidifier keeps original state;
If T4 is <(T5-T6), and 4 < of Φ(Φ5-Φ6), the controller control compression shutdown, threeway ratio adjusting valve are protected
Original state is held, electrical auxiliary heater starts, and humidifier starts.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the regulation side of the electrical auxiliary heater
Formula is multistage start stop mode, and in the case where the electrical auxiliary heater is opened, the electrical auxiliary heater is divided into N levels, and M is to need
The series of startup, the N and M is the positive integer more than or equal to 2, and the concrete regulative mode of the electrical auxiliary heater is as follows:
As T1 <(T2-T3)During/N × M, or work as T4 <(T5-T6)During/N × M, the electrical auxiliary heater opens M levels;
When(T2+T3)/N×M≥T1≥(T2-T3)During/N*M, or work as(T5+T3)/N×M≥T4≥(T5-T6)/N×M
When, the auxiliary electrical heater keeps the series of original unlatching;
When T1 >=(T2+ T3)During/N × M, or when T4 >=(T5+T6)During/N × M, the auxiliary electrical heater is closed(N-M)
Level.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the regulation side of the electrical auxiliary heater
Formula is step-less adjustment, and regulative mode is specific as follows:
As T1 <(T2-T3)When, or work as T4 <(T5-T6)When, the electrical auxiliary heater improves heating amount;
When(T2+ T3)≥T1≥(T2-T3)When, or when T5+ T6 >=T4 >=(T5-T6)Shi Suoshu electrical auxiliary heaters are protected
Hold original heating amount;
When T1 >=(T2+T3)When, or when T4 >=(T5+T6)When, the electrical auxiliary heater reduces heating amount.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the regulative mode of the humidifier is concrete
For:
As 1 < of Φ(Φ2-Φ3)When, or work as 4 < of Φ(Φ5-Φ6)When, the humidifier improves humidification amount;
When(Φ2+Φ3)≥Φ1≥(Φ2-Φ3)When, or as Φ 5+ Φ 6 >=Φ, 4 >=Φ 5- Φ 6, the humidifier
Keep original state;
When Φ 1 >=(Φ2+Φ3)When, or when Φ 4 >=(Φ5+Φ6)When, the humidifier reduces humidification amount.
In the control method of described shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, the step 300 and step S400 are equal
It is including control method of the controller to condensation fan running status, specific as follows:
When condensation fan speed regulator is adjusted to open, stopping, and the pressure transducer output being arranged on compressor outlet pipeline
For switching value when, the pressure transducer outputs signal to controller, when output signal be low-voltage signal when, the controller control
Condensation fan processed stops, and when output signal is high-voltage signal, the controller control condensation fan is opened so that compressor is arranged
Atmospheric pressure is in safety range;
When the regulative mode of condensation fan is stepless speed regulation, and the pressure transducer being arranged on compressor outlet pipeline is output as
During analog quantity, the refrigeration system condensing pressure numerical value that the controller is detected according to pressure transducer, control condensation fan are adjusted
Condensing pressure of the fast device according to the pressure value step-less adjustment refrigeration system of pressure transducer:When condensing pressure is reduced, infinitely
Reduce the aperture of condensation fan speed regulator, when condensing pressure rises, infinitely increase the aperture of condensation fan speed regulator so that
Compressor Discharge Pressure is in safety range.
In sum, the control method of a kind of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit disclosed by the invention, by certainly
The running status of dynamic control compressor, threeway ratio adjusting valve, electrical auxiliary heater and humidifier, realizes shunting air-cooled
Type thermostatic and humidistatic air conditioning unit is adjusted to the constant temperature and humidity of air.
It is understood that for those of ordinary skills, with technology according to the present invention scheme and its can send out
Bright design in addition equivalent or change, and all these changes or replace the guarantor that should all belong to appended claims of the invention
Shield scope.
Claims (6)
1. a kind of control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit, it is characterised in that comprise the following steps:
S100, the setting that air at return air inlet is pre-entered in the controller of the shunting Wind-cooling type thermostatic and humidistatic air conditioning unit
Setting humidity Φ 2 of air, return air humid control amplitude Φ 3, air-supply at temperature T2, return air temperature span of control limit of control T3, return air inlet
Setting humidity Φ 5 of air and blasting humidity control at the design temperature T5 of air, wind pushing temperature span of control limit of control T6, air outlet at mouthful
Amplitude Φ processed 6;
S200, the controller of the air conditioner judge to hold if current control targe is as the air themperature at air conditioner return air inlet
Row step S300, the controller of the air conditioner are judged if current control targe is as the air themperature at air conditioner air outlet
Execution step S400;
S300, the first temperature sensor being arranged at the air conditioner return air inlet and the first humidity sensor detect return air respectively
Actual temperature T1 and actual humidity Φ 1 of air testing result is fed back to into the controller at mouthful, the controller is by T1
With(T2+T3)And(T2-T3)Make comparisons, and the controller by Φ 1 with(Φ2+Φ3)And(Φ2-Φ3)Make comparisons,
According to above-mentioned result of the comparison, the controller sends corresponding instruction control threeway ratio adjusting valve, auxiliary heater respectively
And the running status of humidifier is until air reaches constant temperature and humidity at return air inlet;
S400, the second temperature sensor being arranged at the air conditioner air outlet and the second humidity sensor detect return air respectively
Actual temperature T4 and actual humidity Φ 4 of air testing result is fed back to into the controller at mouthful, the controller is by T4
With(T5+T6)And(T5-T6)Make comparisons, and the controller by Φ 4 with(Φ5+Φ6)And(Φ5-Φ6)Make comparisons,
According to above-mentioned result of the comparison, the controller sends corresponding instruction control threeway ratio adjusting valve, auxiliary heater respectively
And the running status of humidifier is until air reaches constant temperature and humidity at air outlet.
2. the control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit according to claim 1, it is characterised in that described
Step 300 is specifically included:
If T1 >=(T2+T3), and Φ 1 >=(Φ2+Φ3), or when T1 >=(T2+T3), and(Φ2+Φ3)≥Φ1≥(Φ
2-Φ3)When, the controller controls compressor unlatching, the third channel aperture minimum of threeway ratio adjusting valve and second channel
Aperture is maximum, and electrical auxiliary heater is shut down, and humidifier is shut down;
If T1 >=(T2+T3), and 1 < of Φ(Φ2-Φ3), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture it is minimum and second channel aperture is maximum, electrical auxiliary heater is shut down, and humidifier starts;
If(T2+T3)≥T1≥(T2-T3), and Φ 1 >=(Φ2+Φ3), the controller control compressor unlatching, threeway ratio
The increase of third channel aperture and the reduction of second channel aperture of example regulating valve, auxiliary electrical heater are shut down, and humidifier is shut down;
If(T2+T3)≥T1≥(T2-T3), and(Φ2+Φ3)≥Φ1≥(Φ2-Φ3), the compressor, threeway ratio
Regulating valve, electrical auxiliary heater and humidifier keep original state;
If(T2+T3)≥T1≥(T2-T3), and 1 < of Φ(Φ2-Φ3), the compressor, threeway ratio adjusting valve and auxiliary
Electric heater keeps original state, the controller control humidifier to start;
If T1 is <(T2-T3), and Φ 1 >=(Φ2+Φ3), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture increases and second channel aperture reduces, and humidifier is shut down;If threeway ratio adjusting valve third channel aperture
Reach 100% and second channel aperture has reached 0%, then controlled auxiliary electrical heater and start;
If T1 is <(T2-T3), and(Φ2+Φ3)≥Φ1≥(Φ2-Φ3), the controller control compressor shutdown, threeway
Ratio adjusting valve keeps original state, electrical auxiliary heater to start, and humidifier keeps original state;
If T1 is <(T2-T3), and 1 < of Φ(Φ2-Φ3), the controller control compressor shutdown, threeway ratio adjusting valve
Original state, electrical auxiliary heater is kept to start, humidifier starts;
Step S400 is specifically included:
If T4 >=(T5+T6), and Φ 4 >=(Φ5+Φ6), or when T4 >=(T5+T6), and(Φ5+Φ6)≥Φ4≥(Φ
5-Φ6)When, the controller controls compressor unlatching, the third channel aperture minimum of threeway ratio adjusting valve and second channel
Aperture is maximum, and auxiliary electrical heater is shut down, and humidifier is shut down;
If T4 >=(T5+T6), and 4 < of Φ(Φ5-Φ6), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture it is minimum and second channel aperture is maximum, electrical auxiliary heater is shut down, and humidifier starts;
If(T5+T6)≥T4≥(T5-T6), and Φ 4 >=(Φ5+Φ6), the controller control compressor unlatching, threeway ratio
The third channel aperture of example regulating valve is opened big and second channel aperture and is reduced, and electrical auxiliary heater is shut down, and humidifier is shut down;
If(T5+T6)≥T4≥(T5-T6), and(Φ5+Φ6)≥Φ4≥(Φ5-Φ6), the compressor, threeway ratio
Regulating valve, electrical auxiliary heater and humidifier keep original state;
If(T5+T6)≥T4≥(T5-T6), and 4 < of Φ(Φ5-Φ6), the compressor, threeway ratio adjusting valve and auxiliary
Electric heater keeps original state, the controller control humidifier to start;
If T4 is <(T5-T6), and Φ 4 >=(Φ5+Φ6), the controller control compressor unlatching, threeway ratio adjusting valve
Third channel aperture increase and second channel aperture reduce, humidifier shut down;If the third channel of threeway ratio adjusting valve
Aperture has reached 100% and second channel aperture has reached 0%, then control electrical auxiliary heater and start;
If T4 is <(T5-T6), and(Φ5+Φ6)≥Φ4≥(Φ5-Φ6), the controller control compression shutdown, threeway ratio
Example regulating valve keeps original state, electrical auxiliary heater to start regulation, and humidifier keeps original state;
If T4 is <(T5-T6), and 4 < of Φ(Φ5-Φ6), the controller control compression shutdown, threeway ratio adjusting valve are protected
Original state is held, electrical auxiliary heater starts, and humidifier starts.
3. the control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit according to claim 2, it is characterised in that described
The regulative mode of electrical auxiliary heater is multistage start stop mode, in the case where the electrical auxiliary heater is opened, the auxiliary
Electric heater is divided into N levels, and M is the series that need to start, and the N and M is the positive integer more than or equal to 2, the auxiliary electrical heater
The concrete regulative mode of device is as follows:
As T1 <(T2-T3)During/N × M, or work as T4 <(T5-T6)During/N × M, the electrical auxiliary heater opens M levels;
When(T2+T3)/N×M≥T1≥(T2-T3)During/N*M, or work as(T5+T3)/N×M≥T4≥(T5-T6)/N×M
When, the auxiliary electrical heater keeps the series of original unlatching;
When T1 >=(T2+ T3)During/N × M, or when T4 >=(T5+T6)During/N × M, the auxiliary electrical heater is closed(N-M)
Level.
4. the control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit according to claim 2, it is characterised in that described
The regulative mode of electrical auxiliary heater is step-less adjustment, and regulative mode is specific as follows:
As T1 <(T2-T3)When, or work as T4 <(T5-T6)When, the electrical auxiliary heater improves heating amount;
When(T2+ T3)≥T1≥(T2-T3)When, or when T5+ T6 >=T4 >=(T5-T6)Shi Suoshu electrical auxiliary heaters are protected
Hold original heating amount;
When T1 >=(T2+T3)When, or when T4 >=(T5+T6)When, the electrical auxiliary heater reduces heating amount.
5. the control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit according to claim 2, it is characterised in that described
The regulative mode of humidifier is specially:
As 1 < of Φ(Φ2-Φ3)When, or work as 4 < of Φ(Φ5-Φ6)When, the humidifier improves humidification amount;
When(Φ2+Φ3)≥Φ1≥(Φ2-Φ3)When, or as Φ 5+ Φ 6 >=Φ, 4 >=Φ 5- Φ 6, the humidifier
Keep original state;
When Φ 1 >=(Φ2+Φ3)When, or when Φ 4 >=(Φ5+Φ6)When, the humidifier reduces humidification amount.
6. the control method of shunting Wind-cooling type thermostatic and humidistatic air conditioning unit according to claim 2, the step 300 and step
Rapid S400 includes control method of the controller to condensation fan running status, specific as follows:
When condensation fan speed regulator is adjusted to open, stopping, and the pressure transducer output being arranged on compressor outlet pipeline
For switching value when, the pressure transducer outputs signal to controller, when output signal be low-voltage signal when, the controller control
Condensation fan processed stops, and when output signal is high-voltage signal, the controller control condensation fan is opened so that compressor is arranged
Atmospheric pressure is in safety range;
When the regulative mode of condensation fan is stepless speed regulation, and the pressure transducer being arranged on compressor outlet pipeline is output as
During analog quantity, the refrigeration system condensing pressure numerical value that the controller is detected according to pressure transducer, control condensation fan are adjusted
Condensing pressure of the fast device according to the pressure value step-less adjustment refrigeration system of pressure transducer:When condensing pressure is reduced, infinitely
Reduce the aperture of condensation fan speed regulator, when condensing pressure rises, infinitely increase the aperture of condensation fan speed regulator so that
Compressor Discharge Pressure is in safety range.
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