CN108413539A - Intelligent aeration air-conditioning system and its operation method applied to Environmental Control System of Metro - Google Patents
Intelligent aeration air-conditioning system and its operation method applied to Environmental Control System of Metro Download PDFInfo
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- CN108413539A CN108413539A CN201810566881.1A CN201810566881A CN108413539A CN 108413539 A CN108413539 A CN 108413539A CN 201810566881 A CN201810566881 A CN 201810566881A CN 108413539 A CN108413539 A CN 108413539A
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
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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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to the intelligent aeration air-conditioning system and its operation method applied to Environmental Control System of Metro, which includes fresh wind tube, exhaust duct, backwind tube, mixing chamber, filter, the first pond, heat exchanger, the first variable frequency pump, water knockout drum, water collector, the second pond, filler, the second variable frequency pump, nozzle, water fender, frequency conversion pressure fan, metro environment, evaporator, compressor, condenser, throttling set, new-type rolling radiator, the electric-powered shutter with filter screen, computer control unit.The system and method realizes rational ventilation and intelligent control, creates comfortable time area's environment for passenger, the electric-powered shutter with filter screen is opened in non-air-conditioning season, using Piston Action Wind, solves the problems, such as that sultry ventilation is improper in subway station；Huge cooling tower is successfully replaced using new-type rolling radiator simultaneously, the return air of low temperature is made full use of, while tentatively being cooled down to mixed air using Piston Action Wind, achievees the effect that energy saving.
Description
Technical field
The invention belongs to operation of air conditioning systems technical fields, and in particular to a kind of intelligence applied to Environmental Control System of Metro is logical
Wind air-conditioning system.
Background technology
With the quickening of city rhythm, subway becomes the common vehicles of people's go off daily, however is one in subway
The place of a relative closure with extraneous mode of communicating is connected by a small amount of ventilation shaft, or with entrance.In addition, subway
Inside there are a large amount of stream of people and wagon flow, form a large amount of endogenous pyrogen, if these heats cannot be discharged in time, not only passenger can not bear
By, and the operation of train apparatus can be impacted.Just because of this, Environmental Control System of Metro plays non-in subway circulation
Normal important role.
Existing Environmental Control System of Metro is primarily present following urgent problem to be solved：There is a large amount of endogenous pyrogen in subway, holds
Passenger is easily enabled to generate the uncomfortable reactions such as sultry expiratory dyspnea；Energy consumption is huge, with the indefinite ginseng such as season, weather, flow of the people
Several variations, existing subway's air-conditioning system can not make corresponding adjustment, and it is too low or excessively high subway waiting area temperature often occur,
Even there is sultry or blowing feeling because ventilation quantity is inappropriate；General Environmental Control System of Metro needs to configure cooling tower, and cools down
Tower needs to be set on ground, and not only cooling tower addressing is problem, but also the noise of cooling tower, drift ice and grows bacterium institute band
The problem come can cause ill effect to surrounding resident.
In conclusion design one kind not only can guarantee ventilation quantity, cold, but also the air-conditioning system that can be automatically controlled is particularly important.
Invention content
In view of the deficiencies of the prior art, the technical issues of present invention intends to solve is to provide a kind of applied to subway environment system
The intelligent aeration air-conditioning system and its operation method of system.The system and method realizes rational ventilation and intelligent control, is passenger
Comfortable time area's environment is created, energy waste is avoided；The electric-powered shutter with filter screen, profit are opened in non-air-conditioning season
With Piston Action Wind, solve the problems, such as that sultry ventilation is improper in subway station；Pang is successfully replaced using new-type rolling radiator simultaneously
Big cooling tower overcomes the puzzlement that cooling tower is brought；The return air of low temperature is made full use of, while using Piston Action Wind to mixed
Air is tentatively cooled down, and is achieved the effect that energy saving.
The present invention solve the technical problem technical solution be：It is logical to provide a kind of intelligence applied to Environmental Control System of Metro
Wind air-conditioning system, it is characterised in that the air-conditioning system includes fresh wind tube, exhaust duct, backwind tube, mixing chamber, filter, the first water
Pond, heat exchanger, the first variable frequency pump, water knockout drum, water collector, the second pond, filler, the second variable frequency pump, nozzle, water fender,
Frequency conversion pressure fan, evaporator, compressor, condenser, throttling set, new-type rolling radiator, carries filter screen at metro environment
Electric-powered shutter, computer control unit；
The fresh wind tube is connected with air-treatment unit case import, filter, heat exchanger, filler, water fender, frequency conversion air-supply
Machine is sequentially arranged in air-treatment unit case；The first water is arranged in the air-treatment unit case inner space of heat exchanger lower part
Pond, the first pond at the top of corresponding water pipe, the first variable frequency pump and heat exchanger by being connected to；First basin bottom and water knockout drum, phase
Water pipe, the water collector answered, which are sequentially connected, constitutes a closed circuit, and water knockout drum and water collector are placed in outside air-treatment unit case；
The second pond is arranged in the air-treatment unit case inner space of the lower part of filler, and the outlet in the second pond passes sequentially through the second change
Frequency water pump, evaporator are connected with nozzle；Evaporator is located at outside air-treatment unit case, the top of nozzle face filler, and is located at
In air-treatment unit case；Evaporator, compressor, condenser, throttling set are sequentially connected composition closed circuit；Condenser passes through
Corresponding water pipe constitutes closed circuit with new-type rolling radiator；The air inlet of the outlet face metro environment of the frequency conversion pressure fan
Mouthful, the air outlet of metro environment connects outside atmosphere and backwind tube by exhaust duct, and the backwind tube connects air-treatment unit
Return air inlet in case on mixing chamber；
Above-mentioned air-treatment unit case, evaporator, compressor, condenser, throttling set are arranged in equipment room；Institute
Water knockout drum, the water collector stated are arranged on subterranean tunnel palisades, and special wind-tunnel is equipped on the tunnel palisades；Described is novel
Radiator is rolled to be arranged in the babinet in soil；The fresh wind tube, exhaust duct, backwind tube are arranged along wall；
The new-type rolling radiator is made of the second motor, pendulum leaf, motor shaft, and pendulum leaf is connected with motor shaft by key
It connects, the output end of the second motor connects motor shaft；
The electric-powered shutter with filter screen is mounted on the top of subway shield door both sides glass door, by shaft, volume
Rope device, shaft coupling, first motor, motor output shaft, electronic box, filter screen, blinds are constituted, shaft, ropewinder, shaft coupling, first
Motor, motor output shaft are arranged in electronic box, and the both sides of the motor output shaft of first motor are connected with by shaft coupling respectively
Shaft, ropewinder are located in shaft；Ropewinder connects blinds, and blinds can be made to roll or put down, and filter screen is arranged in the outside of blinds,
Filter screen is towards outside metro environment, and blinds is towards in metro environment；
Definition orbital direction is the sides W, and it is the sides N that passenger, which waits direction, and temperature sensing is mounted in the sides W of shield door, the sides N
Device and humidity sensor,
It is mounted on temperature sensor in exhaust duct, between water fender and frequency conversion pressure fan, between heat exchanger and filler,
Camera is installed on the wall of subway waiting area, the quantity of camera installation is with each corner seen clearly enough in subway
Preferably, air-valve is installed in fresh wind tube；
Input of the above-mentioned temperature sensor and humidity sensor with the computer control unit being placed in equipment room
End connection；The output end of the computer control unit connects first motor by first motor controller respectively, passes through second
Electric machine controller connects the second motor and is blown by frequency conversion by the variable-frequency motor in variable frequency motor controller connect compressor
Machine controller connects frequency conversion pressure fan, and first is separately connected by the first pump variable frequency controller and the second pump variable frequency controller
Variable frequency pump and the second variable frequency pump connect the air-valve in fresh wind tube by wind valve controller；The first motor controller,
Two electric machine controllers, variable frequency motor controller, frequency conversion air-supply machine controller, the first pump variable frequency controller, the second pump variable frequency
Controller, wind valve controller are arranged in the switch board of equipment room；
It is all parts and compressor, condenser, evaporator, throttling set in above-mentioned air-treatment unit case, novel
It rolls radiator and constitutes air-conditioning season equipment, the power-operated shutter window segment with filter screen is non-air-conditioning season equipment.
Above application includes the ventilation in air-conditioning season in the operation method of the intelligent aeration air-conditioning system of Environmental Control System of Metro
With the ventilation in non-air-conditioning season, carrying out practically process is as follows：
(1) ventilation in air-conditioning season：Air in metro environment is transported to through an exhaust duct part outside subway, a part
It is mixed in mixing chamber with the fresh air in fresh wind tube, heat exchanger is entered after filter cleaning, is tentatively cooled down, it is complete at filler
At cooling, water fender is then passed through, removes extra moisture, treated, and air is sent into subway under the action of frequency conversion pressure fan
In environment；Water in first pond is delivered under the action of corresponding water pump in water knockout drum, is then tapped off to each water pipe, is utilized
Piston Action Wind cools down for it, and the water after cooling collects in water collector, is flowed into the first pond through corresponding water pump in case using, through work
Water after plug wind cooling is delivered under the action of the first variable frequency pump at the top of heat exchanger, flows through heat exchanger along respective pipeline, together
When filtered air flow through heat exchanger, carry out indirect contact heat exchanger with the water in heat exchanger, the water in heat exchanger takes away air
In heat flow into the first pond, the air after preliminary cooling enters in filler, and air themperature after preliminary cooling reaches
When wind pushing temperature requires, variable-frequency motor, the second motor in the second variable frequency pump of closing, compressor, in the effect of frequency conversion pressure fan
Under be admitted in metro environment；
Air after preliminary cooling further cools down, and condensed high-pressure refrigerant is by throttling set reducing pressure by regulating flow at low
The liquid and gaseous state mix refrigerant working medium of warm low pressure, into evaporator after with from the second pond water carry out heat exchange, it is low
The liquid and gaseous state mix refrigerant working medium of warm low pressure become the gaseous refrigerant of low-temp low-pressure, become high temperature height by compressor
The gaseous refrigerant of pressure exchanges heat with medium water within the condenser, condensed refrigerant flow throttling device, so recycles, wherein
Water after cooling down in evaporator is flowed by water pipe in each nozzle, is then sprayed into filler, with the air after preliminary cooling
It is in direct contact cooling, the heat that water absorbs air flows into the second pond, and evaporator is flowed under the action of the second variable frequency pump
Middle cooling is in case cooling air, the air after cooling enter water fender, wherein taking away the medium flow of condensation heat within the condenser
In cartonning body, the heat of medium water is dissipated in soil under the action of new-type rolling radiator, the medium water after cooling is again
In secondary inflow condenser heat exchange is carried out with refrigerant；Air after cooling is admitted to ground iron hoop under the action of frequency conversion pressure fan
Within the border；
(2) ventilation in non-air-conditioning season：When subway external environment temperature is relatively low, air-conditioning season equipment is closed, opens first
Motor drives ropewinder rotation, blinds opens therewith, according to institute's required airflow under the power of first motor by motor output shaft
How much unlatching certain powers first motor.
Compared with prior art, the beneficial effects of the invention are as follows：
1. present system utilizes the return air compared with low temperature to be mixed with fresh air, the energy is made full use of, the waste of the energy is reduced；Profit
Cooled down to be ready for use in heat exchanger tentatively cooling mixing wind for the water in water knockout drum with Piston Action Wind, is provided for further cooling
Convenience can close second variable frequency pump, become in compressor when preliminary mixing wind after cooling reaches wind pushing temperature requirement
Frequency motor, the second motor, this not only takes full advantage of discarded wind energy, electric energy is also greatly saved, and is truly realized energy saving subtract
Row.
2. present system replaces cooling tower using new-type rolling radiator, condensation heat is dissipated in soil, is successfully solved
What cooling tower of having determined was brought take up a large area, noise, drift ice and the problem for growing bacterium etc..
3. the present invention is provided with the electric-powered shutter with filter screen on shield door, in non-air-conditioning season, due to subway
It is inside not turned on air-conditioning season equipment, and flow of the people, wagon flow etc. bring a large amount of heat so that metro environment is sultry, therefore, can
By the temperature difference inside and outside shield door, psychrometric difference, to control the opening angle of blinds, air quantity is supplied for passenger waiting area；Even if
In air-conditioning season, due to weather, passenger waiting area temperature is relatively low, if opening air-conditioning season equipment, can not only passenger be made to wait
The temperature in area is lower to cause discomfort, also waste of energy, can close air-conditioning season equipment at this time, opens first motor, drives serving
Device makes blinds open corresponding angle, is introduced directly into subway after directly purifying the Piston Action Wind of low temperature, will not only give passenger
Discomfort is brought, the energy can be also greatlyd save.The electric-powered shutter of the application carries filter screen, can will enter in metro environment
Air is purified, and the application can be according to hundred leaf divergence of institute's chilling requirement size adjust automatically and direction simultaneously.
4. operation method of the present invention can make corresponding tune with the variation of the Uncertain parameters such as season, weather, flow of the people
Whole, overcoming existing air-conditioning system, subway waiting area temperature often occur too low or excessively high, or even goes out because ventilation quantity is inappropriate
The drawbacks of existing sultry or blowing feeling, can be not only that passenger builds comfortable waiting environment, also achieve energy conservation and environmental protection.
5. the present invention also mounting temperature sensor and the corresponding controller of each equipment inside air conditioner processor group, can the moment
Temperature, humidity in metro environment are monitored, corresponding influence factor is found, the start and stop for controlling single component in air conditioner processor group are real
It now adjusts, without being adjusted to entire air conditioner processor group, significantly reduces power consumption.
6. present system is provided with camera, can the locality domestic flow of personnel situation of iron hoop, consider how many couples of the stream of people
The influence of environment temperature keeps control more accurate reasonable.Shield door can completely cut off track completely with waiting area simultaneously, avoid the occurrence of system
Hot-air infilters the phenomenon of waiting area etc. in cold leakage and track, reduces the waste of the energy.
Description of the drawings
Fig. 1 is that the structure of the air-conditioning season equipment for the intelligent aeration air-conditioning system that the present invention is applied to Environmental Control System of Metro is shown
It is intended to.
Fig. 2 is the power-operated shutter with filter screen for the intelligent aeration air-conditioning system that the present invention is applied to Environmental Control System of Metro
The mounting structure schematic diagram of window.
Fig. 3 is the side view of the electric-powered shutter with filter screen.
Fig. 4 is the structural schematic diagram of filter screen in the electric-powered shutter with filter screen.
Fig. 5 is new-type rolling construction for heat radiating device schematic diagram.
Fig. 6 is schematic cross-sectional view at new-type rolling radiator F-F.
Fig. 7 is the control of the computer control unit for the intelligent aeration air-conditioning system that the present invention is applied to Environmental Control System of Metro
Block diagram.
In figure, fresh wind tube 1, exhaust duct 2, backwind tube 3, mixing chamber 4, filter 5, the first pond 6, heat exchanger 7, first become
Frequency water pump 8, water collector 10, the second pond 11, filler 12, the second variable frequency pump 13, nozzle 14, water fender 15, becomes water knockout drum 9
Frequency pressure fan 16, metro environment 17, evaporator A, compressor B, condenser C, throttling set D, new-type rolling radiator E, band
There are electric-powered shutter 18, shaft 19, ropewinder 20, shaft coupling 21, first motor 22, motor output shaft 23, the electronic box of filter screen
24, filter screen 18a, blinds 18b, the second motor 25, pendulum leaf 26, motor shaft 27, flat key 28, partition board 29, temperature sensor 30, wet
Spend sensor 31, computer control unit 32, air-valve 33, variable-frequency motor 34, first motor controller k1, camera in compressor
35, the second electric machine controller k7, variable frequency motor controller k2, frequency conversion air-supply machine controller k3, the first pump variable frequency controller k4,
Second pump variable frequency controller k5, wind valve controller k6.
Specific implementation mode
It is further discussed below the present invention with reference to embodiment and its attached drawing, but not in this, as to the application protection domain
Restriction.
The intelligent aeration air-conditioning system (abbreviation system, referring to Fig.1-7) that the present invention is applied to Environmental Control System of Metro includes new
Air hose 1, exhaust duct 2, backwind tube 3, mixing chamber 4, filter 5, the first pond 6, heat exchanger 7, the first variable frequency pump 8, water knockout drum
9, water collector 10, the second pond 11, filler 12, the second variable frequency pump 13, nozzle 14, water fender 15, frequency conversion pressure fan 16, subway
Environment 17, evaporator A, compressor B, condenser C, throttling set D, new-type rolling radiator E, electronic hundred with filter screen
Leaf window 18, computer control unit 32；
The fresh wind tube 1 is connected with air-treatment unit case import, filter 5, heat exchanger 7, filler 12, water fender 15,
Frequency conversion pressure fan 16 is sequentially arranged in air-treatment unit case；Air-treatment unit case inner space in 7 lower part of heat exchanger
Arrange that the first pond 6, the first pond 6 are connected to by corresponding water pipe, the first variable frequency pump 8 with 7 top of heat exchanger；First pond 6
Bottom is sequentially connected with water knockout drum 9, corresponding water pipe, water collector 10 and constitutes a closed circuit, and water knockout drum and water collector are set
In outside air-treatment unit case；Air-treatment unit case inner space the second pond 11 of arrangement in the lower part of filler 12, second
The outlet in pond 11 passes sequentially through the second variable frequency pump 13, evaporator A is connected with nozzle 14；Evaporator A is located at air processing machine
Outside group case, the top of nozzle face filler 12, and in air-treatment unit case；Evaporator A, compressor B, condenser C, section
Stream device D is sequentially connected composition closed circuit；Condenser C is closed back by corresponding water pipe and new-type rolling radiator E compositions
Road；The air inlet of the outlet face metro environment 17 of the frequency conversion pressure fan 16, the air outlet of metro environment are connected by exhaust duct 2
Outside atmosphere and backwind tube 3 are connect, the backwind tube 3 connects the return air inlet on mixing chamber in air-treatment unit case；
Above-mentioned air-treatment unit case, evaporator A, compressor B, condenser C, throttling set D are arranged in equipment room
In；The water knockout drum 9, water collector 10 are arranged on subterranean tunnel palisades, apart from tunnel surface 10-50cm, in the tunnel rock
Wall is equipped with special wind-tunnel；The new-type rolling radiator E is arranged in the babinet in soil；The fresh wind tube 1,
Exhaust duct 2, backwind tube 3 are arranged along wall；
The new-type rolling radiator E is made of the second motor 25, pendulum leaf 26, motor shaft 27, puts leaf 26 and motor
Axis 27 connects motor shaft 27 by key connection, the output end of the second motor 25；
The electric-powered shutter 18 with filter screen is mounted on the top of subway shield door both sides glass door, by shaft
19, ropewinder 20, shaft coupling 21, first motor 22, motor output shaft 23, electronic box 24, filter screen 18a, blinds 18b are constituted, and are turned
Axis 19, ropewinder 20, shaft coupling 21, first motor 22, motor output shaft 23 are arranged in electronic box 24, the motor of first motor
The both sides of output shaft 23 are connected with shaft 19 by shaft coupling 21 respectively, and ropewinder 20 is located in shaft；The connection of ropewinder 20 hundred
Leaf 18b can make blinds roll or put down, and the outside of blinds is arranged filter screen 18a, and filter screen is towards (i.e. subway outside metro environment
Rail side), blinds is towards in metro environment；
Definition orbital direction is the sides W, and it is the sides N that passenger, which waits direction, and temperature sensing is mounted in the sides W of shield door, the sides N
Device 30 and humidity sensor 31,
It is mounted on temperature in exhaust duct 2, between water fender 15 and frequency conversion pressure fan 16, between heat exchanger 7 and filler 12
Sensor 30 is spent, camera 35 is installed on the wall of subway waiting area, the quantity of camera installation to see subway clearly enough
Interior each corner is advisable, and air-valve 33 is installed in fresh wind tube 1；
Above-mentioned temperature sensor 30 and humidity sensor 31 with the computer control unit 32 that is placed in equipment room
Input terminal connection；The output end of the computer control unit passes through first motor controller k1 connection first motors respectively
22, by second the second motor of electric machine controller k7 connections 25, pass through the frequency conversion in variable frequency motor controller k2 connect compressors B
Motor passes through the first pump variable frequency controller k4, the second water pump by frequency conversion air-supply machine controller k3 connection frequency conversions pressure fan 16
Frequency-variable controller k5 is separately connected the first variable frequency pump 8 and the second variable frequency pump 13, passes through wind valve controller k6 connection fresh wind tubes
Interior air-valve 33；The first motor controller k1, the second electric machine controller k7, variable frequency motor controller k2, frequency conversion pressure fan
Controller k3, the first pump variable frequency controller k4, the second pump variable frequency controller k5, wind valve controller k6 are arranged in equipment room
Switch board in.
First pond 6, heat exchanger 7, the first variable frequency pump 8, water knockout drum 9,10 collective effect of water collector are completed just
Cooling work is walked, the water in the first pond 6 is delivered in water knockout drum 9 under the action of corresponding water pump, is then tapped off to each water
Pipe, using Piston Action Wind (Piston Action Wind make when referring to metro operation in tunnel air compress or expansion caused by air circulation, exhaust
With ventilation etc.) it is the water cooling branched in each water pipe, the water after cooling collects in water collector 10, is flowed into through corresponding water pump
In case using in first pond 6, the water after Piston Action Wind cools down is delivered to the top of heat exchanger 7 under the action of the first variable frequency pump 8
Portion flows through heat exchanger 7 along respective pipeline, while flowing through heat exchanger 7 through 5 filtered air of filter, with the water in heat exchanger 7
Indirect contact heat exchanger is carried out, the water in heat exchanger 7 is taken away the heat in air and flowed into the first pond 6, the sky after preliminary cooling
Gas enters in filler 12；
The evaporator A, compressor B, condenser C, throttling set D, new-type rolling radiator E collective effects are to first
Air after step cooling further cools down, and condensed high-pressure refrigerant is by throttling set D reducing pressure by regulating flow at low-temp low-pressure
Liquid and gaseous state mix refrigerant working medium, into evaporator A after with from the second pond 11 water carry out heat exchange, low-temp low-pressure
Liquid and gaseous state mix refrigerant working medium become low-temp low-pressure gaseous refrigerant, become high temperature and pressure by compressor B
Gaseous refrigerant exchanges heat in condenser C with medium water, condensed refrigerant flow throttling device D, so recycles, wherein
Water after cooling down in evaporator A is flowed by water pipe in each nozzle 14, is then sprayed into filler 12, with the sky after preliminary cooling
Gas is in direct contact cooling, and the heat that water absorbs air is flowed into the second pond 11, flowed under the action of the second variable frequency pump 13
Cooling is in case cooling air, the air after cooling enter water fender 15, wherein taking away condensation heat in condenser C in evaporator A
Medium water inflow be equipped in the babinet of new-type rolling radiator E, by medium under the action of new-type rolling radiator E
The heat of water is dissipated in soil, and the medium water after cooling again flows into condenser C and carries out heat exchange with refrigerant；
The new-type rolling radiator E is made of the second motor 25, pendulum leaf 26, motor shaft 27, in the second motor 25
Power under, by motor shaft 27 drive two panels pendulum leaf 26 rotate, condensation heat can be drained into soil, achieve the effect that heat dissipation,
Success replaces cooling tower, the device to be fixed in stainless steel babinet, and the size of babinet is 0.4*0.25*0.25m, and pendulum leaf is long
0.028m, high 0.03m, motor axial length 0.04m, the high 0.175m of motor, long 0.29m, on the right side of babinet at 0.32m setting every
Plate 29, partition board to babinet left side contain water, volume 0.08*0.25*0.25=0.005m3=5L,
The effect of cooling tower is exactly the condensation heat taken away in condenser in the prior art, generally flows into and out the cold of cooling tower
But coolant-temperature gage is 32 DEG C, 27 DEG C, and the temperature difference is 5 DEG C, and new-type rolling radiator E will achieve the effect that cooling tower, it is necessary to by water
Temperature reduces at least 5 DEG C, is calculated as follows：
Usually common household fan, which opens 3 grades, can allow the air themperature within the scope of 1.5m around to drop 5 DEG C, 1m3Sky
The quality of gas is 1.29Kg, then the heat that household fan can take away air is 1000*1.29*14.13*5, then by the device
Be visualized as common household fan, then can the heat leaked water of band be 4.178*1000*m*5, wherein m is the quality of required water,
The quality for acquiring water is 4.363Kg, volume 4.389L.
From in the above process it is found that new-type rolling radiator E can meet cooling requirement in volume and cooling-down effect,
Existing cooling tower can be substituted.
It is all parts and compressor, condenser, evaporator, throttling set in above-mentioned air-treatment unit case, novel
It rolls radiator and constitutes air-conditioning season equipment, 18 part of electric-powered shutter with filter screen is non-air-conditioning season equipment；
When subway external environment temperature is relatively low, air-conditioning season equipment is closed, first motor 22 is opened, in first motor 22
Under power, ropewinder 20 is driven to rotate by motor output shaft 23, blinds 18b opens certain angle therewith, according to institute's required airflow
How much unlatchings setting open first motor 22 power.
Air-conditioning system of the present invention utilizes the return air compared with low temperature to be mixed with fresh air, makes full use of the energy, reduces the waste of the energy；
Cooled down to be ready for use in heat exchanger 7 tentatively cooling mixing wind, further to cool down for the water in water knockout drum 9 using Piston Action Wind
It provides a convenient, when preliminary mixing wind after cooling reaches wind pushing temperature requirement, the second variable frequency pump 13, compression can be closed
Variable-frequency motor, the second motor 25 in machine B, this not only takes full advantage of discarded wind energy, electric energy is also greatly saved, really real
Energy-saving and emission-reduction are showed.
Air-conditioning system of the present invention replaces cooling tower using new-type rolling radiator E, successfully solves what cooling tower was brought
It takes up a large area, noise, drift ice and the problem for growing bacterium etc..
Air-conditioning system of the present invention is suitable for being equipped with the closing metro environment of shield door between subway waiting area and subway.Shielding
It covers and is set in non-air-conditioning season due to being not turned on air-conditioning season in subway provided with the electric-powered shutter 18 with filter screen on door
It is standby, and flow of the people, wagon flow etc. bring a large amount of heat so that metro environment is sultry, therefore, can be by according in shield door
The outer temperature difference, moisture are poor, control the opening angle of blinds, and air quantity is supplied for passenger waiting area；Even if in air-conditioning season, due to day
Gas reason, passenger waiting area temperature is relatively low, if opening air-conditioning season equipment, not only can make the temperature of passenger waiting area is lower to cause
Discomfort, also waste of energy, can close air-conditioning season equipment at this time, open first motor 22, drive ropewinder 20, make blinds 18b
Corresponding angle is opened, discomfort will not be not only brought to passenger, can also greatly save the energy.
Computer control unit 32 in the present invention can control air-conditioning system respectively in non-air-conditioning season and air-conditioning season
Corresponding component working metro environment can be made accordingly with the variation of the Uncertain parameters such as season, weather, flow of the people
Adjustment, it is too low or excessively high to avoid the occurrence of subway waiting area temperature, or even sultry or blowing feeling etc. occurs because ventilation quantity is inappropriate
Problem can be not only that passenger builds comfortable waiting environment, also achieve energy conservation and environmental protection.
Operation method of the present invention applied to the intelligent aeration air-conditioning system of Environmental Control System of Metro, including air-conditioning season are logical
The ventilation of wind and non-air-conditioning season, carrying out practically process are as follows：
(3) ventilation in air-conditioning season：(metro environment refers to inside subway station metro environment 17, including waiting area, does not include ground
In iron car) in air be transported to outside subway through 2 part of exhaust duct, a part with fresh wind tube 1 in fresh air in mixing chamber 4
Mixing enters heat exchanger 7 after the purification of filter 5, is tentatively cooled down, cooling is completed at filler 12, then passes through water blocking
Plate 15 removes extra moisture, and treated, and air is sent under the action of frequency conversion pressure fan 16 in metro environment 17；First water
Water in pond 6 is delivered under the action of corresponding water pump in water knockout drum 9, is then tapped off to each water pipe, is it using Piston Action Wind
Cooling, the water after cooling collect in water collector 10, are flowed into the first pond 6 through water pump in case using, after Piston Action Wind cools down
Water the top of heat exchanger 7 is delivered under the action of the first variable frequency pump 8, flow through heat exchanger 7 along respective pipeline, while after filtering
Air flow through heat exchanger 7, carry out indirect contact heat exchanger with the water in heat exchanger 7, the water in heat exchanger 7 takes away the heat in air
Amount flows into the first pond 6, and the air after preliminary cooling enters in filler 12, and air themperature after preliminary cooling reaches air-supply
When temperature requirement, variable-frequency motor 34, the second motor 25 in the second variable frequency pump 13 of closing, compressor, in frequency conversion pressure fan 16
It is admitted under effect in metro environment 17；
Air after preliminary cooling further cools down, condensed high-pressure refrigerant by throttling set D reducing pressure by regulating flow at
The liquid and gaseous state mix refrigerant working medium of low-temp low-pressure, into evaporator A after with the water from the second pond 11 carry out hot friendship
It changes, the liquid and gaseous state mix refrigerant working medium of low-temp low-pressure become the gaseous refrigerant of low-temp low-pressure, become by compressor B
The gaseous refrigerant of high temperature and pressure exchanges heat in condenser C with medium water, condensed refrigerant flow throttling device D, so
Cycle then sprays into filler 12 wherein the water after cooling down in evaporator A is flowed by water pipe in each nozzle 14, and first
Air after step cooling is in direct contact cooling, and the heat that water absorbs air flows into the second pond 11, in the second variable frequency pump 13
Under the action of flow into evaporator A cooling in case cooling air, the air after cooling enter water fender 15, wherein in condenser C
In take away condensation heat medium water flow into babinet in, the heat of medium water is dissipated under the action of new-type rolling radiator E
In soil, the medium water after cooling again flows into condenser C and carries out heat exchange with refrigerant；Air after cooling is sent in frequency conversion
It is admitted under the action of wind turbine 16 in metro environment 17.
(4) ventilation in non-air-conditioning season：When subway external environment temperature is relatively low, air-conditioning season equipment is closed, opens first
Motor 22 drives ropewinder 20 to rotate, blinds 18b opens one therewith under the power of first motor 22 by motor output shaft 23
Fixed angle, according to the first motor 22 of the certain power of how much unlatchings of institute's required airflow.
The temperature sensor for defining the sides W of shield door is the first temperature sensor, and the temperature sensors of the sides shield door N is the
Two temperature sensors, the temperature sensor in exhaust duct 2 is third temperature sensor, between water fender 15 and frequency conversion pressure fan 16
Temperature sensor be temperature sensor between the 4th temperature sensor, heat exchanger 7 and filler 12 be the 5th temperature sensor
The humidity sensor of the sides W of shield door is the first humidity sensor, and the humidity sensor of the sides shield door N is the second humidity sensor
Device, the intelligent control in computer control unit 32 include the intelligent control of the intelligent control and non-air-conditioning season in air-conditioning season,
Detailed process is：
(1) intelligent control in air-conditioning season：Remember that passenger waiting area required temperature is Ta, the wind pushing temperature set is T0, the
Two, third, the 4th collected temperature data of temperature sensor are transmitted to computer control unit, and computer control unit analyzes ratio
Whether it is not more than T compared with third temperature sensoraOr the 4th temperature sensor whether be not more than T0, when there are one conditions to expire
(i.e. third temperature sensor is more than T when foot requiresaOr the 4th temperature sensor be more than T0), computer control unit will give the
Two electric machine controller k7, variable frequency motor controller k2, frequency conversion air-supply machine controller k3, the first pump variable frequency controller k4, second
Pump variable frequency controller k5, wind valve controller k6 send out signal, variable-frequency motor 34, frequency conversion air-supply in the second motor 25, compressor
Machine 16, the first variable frequency pump 8, the second variable frequency pump 13, air-valve 33 make corresponding actions, are all turned on；
5th temperature sensor is installed between heat exchanger 7 and filler, when the 5th temperature sensor reaches T0, and third temperature
Degree sensor reaches TaIt is required that when, variable-frequency motor in 32 order variable frequency motor controller k2 close compressors of computer control unit
34, the second pump variable frequency controller k5 closes the second variable frequency pump 13, the second electric machine controller k7 closes the second motor 25, such
Situation is suitable for the relatively low situation of outdoor temperature；
Camera sends collected information to computer control unit 32, and computer control unit 32 utilizes " subway
This software of large passenger flow statistical system " calculates the number entered in metro environment, analyzes required fresh air volume, and computer control is single
Member 32 sends out instruction according to analysis result to wind valve controller k6, controls the aperture of air-valve 33；
When (third temperature sensor is not more than T to three conditionsa, the 4th temperature sensor be not more than T0, and the 5th temperature passes
Sensor is not more than T0) when being satisfied by, computer control unit 32 to the second electric machine controller k7, variable frequency motor controller k2, become
Frequency air-supply machine controller k3, the first pump variable frequency controller k4, the second pump variable frequency controller k5, wind valve controller k6 send out letter
Number stop air-conditioning season equipment operation, turn at this time non-air-conditioning season intelligent control work.
(2) intelligent control in non-air-conditioning season：Computer control unit collects the first temperature sensor, second temperature sensing
The information of device, the first humidity sensor, the second humidity sensor compares the first temperature sensor, second temperature sensor and
The size of one humidity sensor, the second humidity sensor, when the value of the first temperature sensor is less than the value of second temperature sensor
When, computer control unit sends out instruction to first motor controller, and control first motor 22 brings into operation, in first motor
Under effect, ropewinder 20 works, and blinds opens certain angle；When the value of the first humidity sensor is less than the second humidity sensor
Value when, computer control unit sends out instruction to first motor controller, and control first motor 22 brings into operation, in the first electricity
Under the action of machine, ropewinder 20 works, and blinds opens certain angle, certain sky is sent by piston wind direction metro environment
Gas builds comfortable waiting environment for passenger.
Heretofore described subway large passenger flow statistical system software is existing software.
The present invention is not directed to place and is suitable for the prior art.
Claims (5)
1. a kind of intelligent aeration air-conditioning system applied to Environmental Control System of Metro, it is characterised in that the air-conditioning system includes fresh air
Pipe, exhaust duct, backwind tube, mixing chamber, filter, the first pond, heat exchanger, the first variable frequency pump, water knockout drum, water collector,
Two ponds, filler, the second variable frequency pump, nozzle, water fender, frequency conversion pressure fan, metro environment, evaporator, compressor, condensation
Device, throttling set, new-type rolling radiator, the electric-powered shutter with filter screen, computer control unit；
The fresh wind tube is connected with air-treatment unit case import, filter, heat exchanger, filler, water fender, frequency conversion pressure fan according to
It is secondary to be arranged in air-treatment unit case；The first pond is arranged in the air-treatment unit case inner space of heat exchanger lower part, the
One pond at the top of corresponding water pipe, the first variable frequency pump and heat exchanger by being connected to；First basin bottom and water knockout drum, corresponding water
Pipe, water collector, which are sequentially connected, constitutes a closed circuit, and water knockout drum and water collector are placed in outside air-treatment unit case；In filler
Lower part air-treatment unit case inner space arrange the second pond, the outlet in the second pond passes sequentially through the second frequency conversion water
Pump, evaporator are connected with nozzle；Evaporator is located at outside air-treatment unit case, the top of nozzle face filler, and is located at air
It handles in set box；Evaporator, compressor, condenser, throttling set are sequentially connected composition closed circuit；Condenser passes through corresponding
Water pipe constitutes closed circuit with new-type rolling radiator；The air inlet of the outlet face metro environment of the frequency conversion pressure fan,
The air outlet of metro environment connects outside atmosphere and backwind tube by exhaust duct, and the backwind tube connects in air-treatment unit case
Return air inlet on mixing chamber；
Above-mentioned air-treatment unit case, evaporator, compressor, condenser, throttling set are arranged in equipment room；Described
Water knockout drum, water collector are arranged on subterranean tunnel palisades, and special wind-tunnel is equipped on the tunnel palisades；The new-type rolling
Radiator is arranged in the babinet in soil；The fresh wind tube, exhaust duct, backwind tube are arranged along wall；
The new-type rolling radiator is made of the second motor, pendulum leaf, motor shaft, pendulum leaf and motor shaft by key connection,
The output end of second motor connects motor shaft；
The electric-powered shutter with filter screen be mounted on subway shield door both sides glass door top, by shaft, ropewinder,
Shaft coupling, first motor, motor output shaft, electronic box, filter screen, blinds constitute, shaft, ropewinder, shaft coupling, first motor,
Motor output shaft is arranged in electronic box, and the both sides of the motor output shaft of first motor are connected with shaft by shaft coupling respectively,
Ropewinder is located in shaft；Ropewinder connects blinds, and blinds can be made to roll or put down, and filter screen, filtering is arranged in the outside of blinds
Net is towards outside metro environment, and blinds is towards in metro environment；
Definition orbital direction be the sides W, passenger wait direction be the sides N, the sides W of shield door, the sides N be mounted on temperature sensor and
Humidity sensor,
It is mounted on temperature sensor in exhaust duct, between water fender and frequency conversion pressure fan, between heat exchanger and filler, on ground
Camera is installed on the wall of iron waiting area, air-valve is installed in fresh wind tube；
Above-mentioned temperature sensor and humidity sensor connects with the input terminal for the computer control unit being placed in equipment room
It connects；The output end of the computer control unit connects first motor by first motor controller respectively, passes through the second motor
Controller connects the second motor and passes through frequency conversion pressure fan control by the variable-frequency motor in variable frequency motor controller connect compressor
Device processed connects frequency conversion pressure fan, and the first frequency conversion is separately connected by the first pump variable frequency controller and the second pump variable frequency controller
Water pump and the second variable frequency pump connect the air-valve in fresh wind tube by wind valve controller；The first motor controller, the second electricity
Machine controller, variable frequency motor controller, frequency conversion air-supply machine controller, the first pump variable frequency controller, the control of the second pump variable frequency
Device, wind valve controller are arranged in the switch board of equipment room；
All parts in above-mentioned air-treatment unit case and compressor, condenser, evaporator, throttling set, new-type rolling
Radiator constitutes air-conditioning season equipment, and the power-operated shutter window segment with filter screen is non-air-conditioning season equipment.
2. the intelligent aeration air-conditioning system according to claim 1 applied to Environmental Control System of Metro, it is characterised in that described
New-type rolling radiator device be fixed in stainless steel babinet, the size of babinet is 0.4*0.25*0.25m, pendulum leaf it is long
Partition board is being arranged on the right side of babinet, is being contained on the left of partition board to babinet by 0.028m, high 0.03m, motor axial length 0.04m at 0.32m
Water.
3. the intelligent aeration air-conditioning system according to claim 1 applied to Environmental Control System of Metro, which is characterized in that described
Water knockout drum, water collector are apart from tunnel surface 10-50m.
4. the intelligent aeration air-conditioning system according to claim 1 applied to Environmental Control System of Metro, which is characterized in that described
Intelligent control in computer control unit includes the intelligent control of the intelligent control and non-air-conditioning season in air-conditioning season, definition screen
The temperature sensor for covering the sides W of door is the first temperature sensor, and the temperature sensor of the sides shield door N is second temperature sensor,
Temperature sensor in exhaust duct is third temperature sensor, and the temperature sensor between water fender and frequency conversion pressure fan is the 4th
Temperature sensor between temperature sensor, heat exchanger and filler is the humidity sensor of the sides W of the 5th temperature sensor shield door
Device is the first humidity sensor, and the humidity sensor of the sides shield door N is the second humidity sensor, and detailed process is：
(1) intelligent control in air-conditioning season：Remember that passenger waiting area required temperature is Ta, the wind pushing temperature set is T0, second,
Three, the 4th collected temperature data of temperature sensor is transmitted to computer control unit, and computer control unit analysis compares the
Whether three-temperature sensor is not more than TaOr the 4th temperature sensor whether be not more than T0, when third temperature sensor is more than Ta
Or the 4th temperature sensor be more than T0, computer control unit will be to the second electric machine controller, variable frequency motor controller, frequency conversion
Air-supply machine controller, the first pump variable frequency controller, the second pump variable frequency controller send out signal, open the second motor, compression
Variable-frequency motor, frequency conversion pressure fan, the first variable frequency pump, the second variable frequency pump in machine；
When the 5th temperature sensor reaches T0, and third temperature sensor reaches TaWhen, computer control unit order variable-frequency motor
Variable-frequency motor, the second pump variable frequency controller close the second variable frequency pump, the second electric machine controller in controller close compressor
Close the second motor；
Camera sends collected information to computer control unit, and computer control unit, which calculates, to be entered in metro environment
Number, analyze required fresh air volume, computer control unit sends out instruction according to analysis result to wind valve controller, controls wind
The aperture of valve；
When third temperature sensor is not more than TaAnd the 5th temperature sensor and the 4th temperature sensor no more than T0When, it calculates
Machine control unit is to the second electric machine controller, variable frequency motor controller, frequency conversion air-supply machine controller, the control of the first pump variable frequency
Device, the second pump variable frequency controller, wind valve controller send out the operation that signal stops air-conditioning season equipment, turn to non-air-conditioning at this time
The intelligent control in season works；
(2) intelligent control in non-air-conditioning season：Computer control unit collect the first temperature sensor, second temperature sensor,
It is wet to compare the first temperature sensor, second temperature sensor and first for the information of first humidity sensor, the second humidity sensor
Spend sensor, the second humidity sensor size, when the value of the first temperature sensor be less than second temperature sensor value when or
When the value of the first humidity sensor of person is less than the value of the second humidity sensor, computer control unit is sent out to first motor controller
Going out instruction, control first motor brings into operation, and under the action of first motor, ropewinder work, blinds opens specific angle,
It is sent into air by piston wind direction metro environment, comfortable waiting environment is built for passenger.
5. the operation method of any intelligent aeration air-conditioning systems applied to Environmental Control System of Metro of claim 1-4, packet
The ventilation in air-conditioning season and the ventilation in non-air-conditioning season are included, carrying out practically process is as follows：
(1) ventilation in air-conditioning season：Air in metro environment is transported to through an exhaust duct part outside subway, a part of and new
Fresh air in air hose is mixed in mixing chamber, and heat exchanger is entered after filter cleaning, is tentatively cooled down, drop is completed at filler
Temperature then passes through water fender, removes extra moisture, and treated, and air is sent into metro environment under the action of frequency conversion pressure fan
It is interior；Water in first pond is delivered under the action of corresponding water pump in water knockout drum, is then tapped off to each water pipe, is utilized piston
Wind cools down for it, and the water after cooling collects in water collector, is flowed into the first pond through corresponding water pump in case using, through Piston Action Wind
Water after cooling is delivered under the action of the first variable frequency pump at the top of heat exchanger, and heat exchanger, while mistake are flowed through along respective pipeline
Air after filter flows through heat exchanger, carries out indirect contact heat exchanger with the water in heat exchanger, the water in heat exchanger is taken away in air
Heat flows into the first pond, and the air after preliminary cooling enters in filler, and air themperature after preliminary cooling reaches air-supply
When temperature requirement, variable-frequency motor, the second motor in the second variable frequency pump of closing, compressor, quilt under the action of frequency conversion pressure fan
It is sent into metro environment；
Air after preliminary cooling further cools down, and condensed high-pressure refrigerant is low at low temperature by throttling set reducing pressure by regulating flow
The liquid and gaseous state mix refrigerant working medium of pressure, into evaporator after with the water from the second pond carry out heat exchange, low temperature is low
The liquid and gaseous state mix refrigerant working medium of pressure become the gaseous refrigerant of low-temp low-pressure, become high temperature and pressure by compressor
Gaseous refrigerant exchanges heat with medium water within the condenser, condensed refrigerant flow throttling device, so recycles, wherein steaming
It sends out the water after in device cooling down to flow into each nozzle by water pipe, then spray into filler, it is direct with the air after preliminary cooling
Contact cooling, the heat that water absorbs air flow into the second pond, flow into evaporator and drop under the action of the second variable frequency pump
Temperature is in case cooling air, the air after cooling enter water fender, wherein the medium water for taking away condensation heat within the condenser flows into case
In vivo, the heat of medium water is dissipated in soil under the action of new-type rolling radiator, the medium water after cooling flows again
Enter in condenser and carries out heat exchange with refrigerant；Air after cooling is admitted to metro environment under the action of frequency conversion pressure fan
It is interior；
(2) ventilation in non-air-conditioning season：When subway external environment temperature is relatively low, air-conditioning season equipment is closed, opens first motor,
Under the power of first motor, ropewinder rotation is driven by motor output shaft, blinds opens therewith, according to institute's required airflow number
Open the first motor of certain power.
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