CN106979802A - Metro platform shield door air leakage rate check system and method - Google Patents
Metro platform shield door air leakage rate check system and method Download PDFInfo
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- CN106979802A CN106979802A CN201610543755.5A CN201610543755A CN106979802A CN 106979802 A CN106979802 A CN 106979802A CN 201610543755 A CN201610543755 A CN 201610543755A CN 106979802 A CN106979802 A CN 106979802A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
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Abstract
The invention discloses a kind of metro platform shield door air leakage rate check system and method, the system includes the controller that mutual signal is connected, Wind volume detector and DIU data interface unit, the Wind volume detector be arranged at subway station each gateway sentence detect each station entrance-exit station air output and station enter air quantity, the DIU data interface unit and the air-conditioning system data cube computation of subway station are to obtain the air-conditioning amount and air-conditioning return air amount of air-conditioning system, the controller is according to station air output, station enters air quantity, air-conditioning amount and air-conditioning return air gauge calculate shield door inleakage.The present invention by it is a kind of measure indirectly in the way of realize the accurate measurement of shield door air quantity, it is to avoid because can not accurately measure the air conditioner load of shield door inleakage and too high determination subway station air-conditioning system, save the electric energy of unnecessary consuming.
Description
Technical field
The present invention relates to subway station central air-conditioning load computing technique field, more particularly to a kind of subway station
Platform shield door air leakage rate check system and method.
Background technology
Screen door subway by installing slidable shield door between platform and tunnel, make station with
The caloic that tunnel separates to reduce between the hot-air in tunnel and cold air in station is exchanged.Screen door
Application tunnel is separated with station, substantially reduce station public area air conditioner load, to reduce car
Air-conditioning equipment capacity of standing serves highly important effect.
Subway station is during runing, after shield door is opened, due to shield door both sides tunnel and station hot pressing
With the collective effect of blast, the convection phenomena of shield door both sides air can be caused, this phenomenon can bring car
Stand the change of air conditioner load.Usually, the shield door leakage used during domestic subway station Air-conditioner design
Air conditioner load caused by air quantity accounts for 15% or so of station air conditioner load, it can be seen that shield door leaks
Influence of the size of air quantity to station air conditioner load is than more significant.
But, during train dwelling, the caloic exchange process carried out by shield door is extremely complex, by
The factors influences such as the train operation of up-downgoing tunnel, air draft and passenger's turnover, and shield door unlatching
Time is very short, and the air-flow near each is all more complicated, it is difficult to direct to the progress of shield door inleakage,
Accurately measure, so as to have a strong impact on the accuracy that subway station air-conditioning system load is determined.
The content of the invention
It is a primary object of the present invention to provide a kind of metro platform shield door air leakage rate check system and side
Method, it is intended to solve because be difficult to carry out shield door inleakage it is direct, accurately measure, so as to have a strong impact on
The technical problem for the accuracy that subway station air-conditioning system load is determined.
To achieve the above object, a kind of metro platform shield door air leakage rate check provided in an embodiment of the present invention
System, the air leakage rate check system includes controller, the Wind volume detector sum that mutual signal is connected
According to interface arrangement, the Wind volume detector be arranged at subway station each gateway sentence detection each
The station air output of station entrance-exit and station enter the sky of air quantity, the DIU data interface unit and subway station
Adjusting system data cube computation is to obtain the air-conditioning amount and air-conditioning return air amount of air-conditioning system, the controller root
Enter air quantity, air-conditioning amount and air-conditioning return air gauge according to station air output, station and calculate shield door inleakage.
Preferably, the Wind volume detector includes multiple wind speed detectors, by the longitudinal direction of station entrance-exit
Section enters the survey wind section of air quantity as station air output and station, and the wind speed detector is in array distribution
In on the survey wind section.
Preferably, the Wind volume detector also includes diversion air duct, the section of the diversion air duct and survey
Wind section is overlapped.
Preferably, the survey wind rectangular cross-section, using the center in the survey wind section as the center of circle, surveys wind section
The height in face is that diameter obtains circle of reference, using the intersection point of the diagonal in the survey wind section and circle of reference as
First reference point, first reference point is sequentially connected into reference to rectangle each rectangular edges midpoint as
Second reference point, the wind speed detector is respectively arranged at survey wind kernel of section, the first reference point and second
In reference point.
Preferably, the air leakage rate check system also includes timer, and the timer is obtained and storage
Unlatching/shut-in time of iron platform screen door, when timer, which detects metro platform shield door, to be opened, control
Device processed starts the wind speed detector and enters air quantity to measure station air output and station；When timer is detected
When metro platform shield door is closed, controller closes the wind speed detector.
Preferably, the controller obtain station enter air quantity and station air output station air quantity is poor, air-conditioning
Air output and the air-conditioning air volume of air-conditioning return air amount are poor, regard the poor sum of station air quantity difference and air-conditioning air volume as screen
Cover an inleakage.
The embodiment of the present invention also provides a kind of metro platform shield door air leakage rate check method, the inleakage
Detection method includes：
Obtain the air-conditioning amount and air-conditioning return air amount of subway station air-conditioning system；
Based on the wind speed detector for being arranged at subway station gateway, each subway station gateway is obtained
Station enters air quantity and station air output；
Air quantity and station air output are entered according to the air-conditioning amount, air-conditioning return air amount, station, obtain ground
The shield door inleakage of iron platform.
Preferably, it is described air quantity to be entered according to the air-conditioning amount, air-conditioning return air amount, station and station goes out
The step of air quantity, shield door inleakage for obtaining subway platform, includes：
Air quantity and station air output are entered according to the station of each subway station gateway, subway station is obtained whole
The station air quantity of body is poor, and obtains the overall air-conditioning in subway station according to air-conditioning amount and air-conditioning return air amount
Air quantity is poor；
Shield door inleakage, wherein shield door inleakage etc. are obtained according to station air quantity difference and air-conditioning air volume difference
In the poor sum of station air quantity difference and air-conditioning air volume.
Preferably, the step of air-conditioning amount and air-conditioning return air amount of acquisition subway station air-conditioning system
Also include afterwards：
Obtain the opening time and shut-in time of metro platform shield door；
Current time is compared with the opening time and shut-in time respectively, when shield door is opened
Between when reaching, start each wind speed detector to test air quantity；When reaching the shield door shut-in time, close
Each wind speed detector is closed to stop testing air quantity.
Preferably, the wind speed detector is multiple, and wind speed detector goes out in array distribution in subway station
On the longitudinal cross-section of entrance,
It is described based on the wind speed detector for being arranged at subway station gateway, obtain each subway station discrepancy
The step of station of mouth enters air quantity and station air output includes：
Each wind speed detector is obtained at each subway station gateway in the shield door opening time to when closing
Between time in detection station air intake wind speed and station air-out wind speed；
The station air intake wind speed and station air-out wind speed detected according to multiple wind speed detectors, is obtained each respectively
Average air intake wind speed and average air-out wind speed at each individual subway station gateway；
Gone out according to the average air intake wind speed of each subway station gateway, average air-out wind speed and subway station
Entrance longitudinal cross-section area, the station for obtaining each subway station gateway enters air quantity and station air output.
The present invention in subway station setup of entrances and exits Wind volume detector by detecting station air output and car
Stand intake, the air-conditioning system connection based on DIU data interface unit and subway station is whole to obtain subway station
The air-conditioning amount and air-conditioning return air amount of body, then controller is based on air quantity balance equation in subway station
The shield door inleakage of subway station is drawn, so that avoid directly detecting shield door inleakage at shield door,
By it is a kind of measure indirectly in the way of realize the accurate measurement of shield door air quantity, it is to avoid because can not accurately measure screen
The air conditioner load of an inleakage and too high determination subway station air-conditioning system is covered, unnecessary consuming is saved
Electric energy, today for setting up conservation-minded society in country's promotion has positive realistic meaning.
Brief description of the drawings
Fig. 1 is the high-level schematic functional block diagram of metro platform shield door air leakage rate check system of the present invention；
Fig. 2 is the embodiment of Wind volume detector one in metro platform shield door air leakage rate check system of the present invention
Structural representation；
Fig. 3 is air balance schematic diagram in subway station of the present invention；
Fig. 4 is the cloth of the embodiment of survey wind section one in metro platform shield door air leakage rate check system of the present invention
Office's schematic diagram；
Fig. 5 is the schematic flow sheet of metro platform shield door air leakage rate check method first embodiment of the present invention；
Fig. 6 be the embodiment of metro platform shield door air leakage rate check method one of the present invention in be based on be arranged at ground
The wind speed detector of iron station entrance-exit, the station for obtaining each subway station gateway enters air quantity and station
The refinement schematic flow sheet of the step of air output；
Fig. 7 is the schematic flow sheet of metro platform shield door air leakage rate check method second embodiment of the present invention；
Fig. 8 be another embodiment of metro platform shield door air leakage rate check method of the present invention in given according to air-conditioning
Air quantity, air-conditioning return air amount, station enter air quantity and station air output, and the shield door for obtaining subway platform leaks out
The refinement schematic flow sheet of the step of amount.
The realization, functional characteristics and advantage of the object of the invention will be done further referring to the drawings in conjunction with the embodiments
Explanation.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further with regard to technical scheme.Should
Understand, the specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
In the description of the invention, it is to be understood that term " on ", " under " " transverse direction " etc. is indicated
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description this
Invention and simplify description, be not instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " the
One ", " second " " the 3rd ", " the 4th " " the 5th ", " the 6th " are only used for the purpose described, and can not
Understand the importance for indicating or implying.
To be best understood from the present invention, a kind of metro platform shield door air leakage rate check system is provided herein, is joined
According to Fig. 1, a kind of controller 100 (can be control chip) of the air leakage rate check system including the connection of mutual signal,
Wind volume detector 200 and DIU data interface unit 300, Wind volume detector 200 are arranged at subway station
The station air output for detecting each station entrance-exit is sentenced in each gateway and station enters air quantity, data-interface
The air-conditioning system data cube computation of device 300 and subway station is to obtain the air-conditioning amount and sky of air-conditioning system
Air quantity is recalled to, controller 100 enters air quantity, air-conditioning amount and air-conditioning according to station air output, station and returned
Air volume meter calculates shield door inleakage.
The particularly suitable island subway station of shield door air leakage rate check system and method for the present invention, subway
Station generally comprises multiple station entrance-exits, and each station entrance-exit is settable a Wind volume detector
200；DIU data interface unit 300 is provided with the data-interface being adapted to the air-conditioning system of subway station, works as number
When being connected according to interface arrangement 300 with the air-conditioning system of subway station, the air-conditioning amount of air-conditioning system is obtained
With air-conditioning return air amount；Between controller, Wind volume detector and DIU data interface unit mutual wireless connection or
Wired connection, is preferably connected with each other with data wire, because subway station plant equipment, instrument are more, deep
Entering low, signal can not cover, and flow of the people is big, electromagnetic interference is more, so utilizing Radio Transmission Technology
Realize that the signal communication between controller, Wind volume detector and DIU data interface unit is likely to unreliable.
Controller get station air output, station enter air quantity, air-conditioning amount and air-conditioning return air amount it
Afterwards, obtain station enter air quantity and station air output station air quantity is poor, air-conditioning amount and air-conditioning return air amount
Air-conditioning air volume it is poor, and because air pressure in subway station and atmospheric pressure are essentially identical, in subway station
Air is substantially not compressed, so can ignore air influences the consideration of air quantity because compression reduces volume,
With subway station generally research object, it is known that air quantity balance equation in subway station, specific equation is such as
Shown in formula 1.1：
Gs-Gh+Gin-Gout-G0=0 (1.1)
In in reference picture 3, equation, GSFor the air-conditioning amount of subway's air-conditioning system, GhIt is empty for subway
The air-conditioning return air amount of adjusting system, GinFor the station intake of subway station gateway, GoutGo out for subway station
The station air output of entrance, G0To enter the shield door inleakage in tunnel by metro platform shield door platform,
GS、Gh、GinAnd G0Unit be m3/s.Derive and understand shield door inleakage G0It can be tried to achieve by formula 1.2,
G0=Gs-Gh+Gin-Gout (1.2)
So as to regard the poor sum of station air quantity difference and air-conditioning air volume as shield door inleakage.
In this in real time example, by detecting car in subway station setup of entrances and exits Wind volume detector 200
Stand air output and station intake, be connected based on DIU data interface unit 300 with the air-conditioning system of subway station
To obtain the air-conditioning amount and air-conditioning return air amount that subway station is overall, then controller 100 is based on subway
Air quantity balance equation show that the shield door inleakage of subway station is (i.e. overall based on subway station in station
Air balance), so as to avoid directly detecting shield door inleakage at shield door, measured indirectly with a kind of
Mode realizes the accurate measurement of shield door air quantity, it is to avoid too high because can not accurately measure shield door inleakage
The air conditioner load of subway station air-conditioning system is determined, the electric energy of unnecessary consuming is saved, in country's promotion
Setting up today of conservation-minded society has positive realistic meaning.
Further, Wind volume detector includes multiple wind speed detectors, and wind speed detector is in array distribution,
I.e. each subway station gateway is respectively provided with multiple wind speed detectors, and wind speed detector is in array distribution in going out
Entrance, so as to measure the wind speed on the multiple test points in gateway, and then can improve air outlet wind speed
The accuracy of detection, and then improve the accuracy of station intake and station air output at air outlet.
Preferably, reference picture 3, regard the longitudinal cross-section of station entrance-exit as station air output and station inlet air
The survey wind section 400 of amount, wind speed detector 201 is in array distribution on survey wind section 400.Make through subway
The air inlet/outlet of station entrance-exit, which is tried one's best, vertically blows over wind speed detector 201, further increases wind speed detector
The accuracy of 201 detection wind speed, and then improve the accurate of station intake and station air output at air outlet
Property.
Preferably, reference picture 2, Wind volume detector 200 also includes diversion air duct 202, diversion air duct 202
Section is overlapped with surveying wind section, diversion air duct 202 can be with survey wind section (i.e. subway station gateway)
Junction wrapped up with flexible material, it is ensured that do not leak out, and 202 pairs of diversion air duct flows through iron station and gone out
The direction of the air inlet/outlet of entrance is guided, and ensures that the direction of air inlet/outlet is vertical with surveying wind section as far as possible, from
And the air inlet/outlet through subway station gateway is tried one's best vertically and blow over wind speed detector 201, further increase
Wind speed detector 201 detects that station intake and station go out at the accuracy of wind speed, and then raising air outlet
The accuracy of air quantity.
Preferably, reference picture 2, Wind volume detector 200 also includes mounting bracket 203, wind speed detector
201 are removably connected in mounting bracket 203, so as to adjust the construction of mounting bracket 203 with freedom
Adjust wind speed detector 201 distribution, realize the flexible variation layout state of wind speed detector 201 with
The wind speed of more accurate detection subway station gateway, and then improve station intake and station at air outlet
The accuracy of air output.
Preferably, reference picture 2, Wind volume detector 200 also includes test car 204, mounting bracket 203
Bottom is fixedly connected or is detachably connected with test car 204.Test car 204 can carry mounting bracket
203 automatically move, so as to realize moving freely for the wind speed detector 201 in mounting bracket 203, it is to avoid
Wind volume detector 200 is all re-assemblied in detection air quantity every time, it is only necessary to will carry air quantity detector 201
Test car 204 be moved to test point, improve the property easy to use of Wind volume detector 200.
Further, reference picture 4, it is rectangle to survey wind section 400, to survey the center in wind section 400 as circle
The heart, the height H in survey wind section 400 obtain circle of reference 401 for diameter, will survey the diagonal of wind section 400
First reference point is sequentially connected institute into referring to square as the first reference point by the intersection point of line and circle of reference 401
Each rectangular edges midpoint of shape 402 is as the second reference point, and wind speed detector 201 is respectively arranged at survey wind and cut
In the center of face 400, the first reference point and the second reference point, realize that wind speed detector 201 is surveying wind section
It is uniformly distributed on 400, i.e., nine wind speed detectors 201 are distributed on survey wind section 400, comprehensive different positions
Nine airflow speed of test point and survey wind area of section put, reduce the wind that the deviation of measurement wind speed is brought
Calculation error is measured, the accuracy of station intake and station air output at air outlet is improved.
Further, air leakage rate check system also includes timer, and timer obtains and stores subway platform
Unlatching/shut-in time of shield door, when timer, which detects metro platform shield door, to be opened, controller is opened
Dynamic wind speed detector enters air quantity to measure station air output and station；When timer detects subway platform screen
Cover when closing, controller closes wind speed detector, thus by unlatching/shut-in time of wind speed detector with
The unlatching of shield door/shut-in time is synchronous, and wind speed detector is only in shield door from just opening to completely closing
This period in be in opening, that is to say, that only shield door open this period in, wind speed
Detector detects that station air output and station enter air quantity, so as to consider that the leak out station of factor of shield door goes out
Air quantity and station enter air quantity, it is to avoid the station air output drawn and station enter air quantity part consider or completely not
Consider shield door opening factor, improve the accuracy of station intake and station air output at air outlet.
The present invention also provides a kind of metro platform shield door air leakage rate check method, reference picture 5, inleakage inspection
Survey method includes：
Step S10, obtains the air-conditioning amount and air-conditioning return air amount of subway station air-conditioning system；
Air-conditioning system in subway station is typically all the air-conditioning system for determining air quantity, Constant air volume system
Air-supply, return air amount are definite value, by obtaining the service data of subway station air-conditioning system to extract air-conditioning
The air output (i.e. air-conditioning amount) and return air amount (i.e. air-conditioning return air amount) of system.
Step S20, based on the wind speed detector for being arranged at subway station gateway, obtains each subway station
The station of gateway enters air quantity and station air output；
The air speed data detected according to the wind speed detector of each subway station gateway and the open area that comes in and goes out,
The station for calculating each gateway enters air quantity and station air output, specifically, and wind speed detector is many
It is individual, wind speed detector in array distribution on the longitudinal cross-section of subway station gateway, reference picture 6, one
In embodiment, step S20 includes：
Step S21, obtains at each subway station gateway each wind speed detector in the shield door opening time
The station air intake wind speed and station air-out wind speed detected in the time of shut-in time；
Step S22, the station air intake wind speed and station air-out wind speed detected according to multiple wind speed detectors, point
The average air intake wind speed and average air-out wind speed at each each subway station gateway are not obtained；
Step S23, according to the average air intake wind speed of each subway station gateway, average air-out wind speed and ground
Iron station entrance-exit longitudinal cross-section area, the station for obtaining each subway station gateway enters air quantity and station
Air output.
Opened in metro platform shield door in this period, open all wind speed detectors, and obtain each
Each wind speed detector is detected at the gateway of subway station station air intake wind speed and station air-out wind speed, example
Such as, nine wind speed detectors are set on the longitudinal cross-section of each station entrance-exit, with a station entrance-exit
Exemplified by, nine wind speed detectors within the shield door opening time, the air speed value measured be respectively V1, V2,
V3, V4, V5, V6, V7, V8 and V9, (positive correspondence is entered for the positive negative indication air intake air-out of air speed value
Wind, bears correspondence air-out), average air intake wind speed is (V1+V2+V3+V4+V5+V6+V7+V8+V9)/9,
0 wherein is set to when air speed value is negative value, such as V1=-2m/s, then V1 is not counted in average air intake wind speed and calculated；
Average air-out wind speed is (V1+V2+V3+V4+V5+V6+V7+V8+V9)/9, wherein when air speed value is
On the occasion of when be set to 0, such as V2=3m/s, then V2 be not counted in average air-out airspeedometer and calculate.Then will averagely it enter
Wind wind speed is multiplied by station entrance-exit area, and (open area that comes in and goes out S=L*H, L are the length of gateway longitudinal cross-section
Degree, H is the height of gateway longitudinal cross-section) the station air intake of single subway station entrance-exit can be drawn
Air quantity, can similarly obtain the station air-out volume of single subway station entrance-exit, and then obtain all subways
The station intake volume and station air-out volume of station entrance-exit.
Step S30, enters air quantity and station air output according to air-conditioning amount, air-conditioning return air amount, station, obtains
Take the shield door inleakage of subway platform.
Air quantity and station air output are entered according to the station of each station entrance-exit, the overall station in station is tried to achieve
Enter air quantity and station air output, then according to the overall station in air-conditioning amount, air-conditioning return air amount, station
Enter air quantity and station air output, try to achieve the shield door inleakage of subway platform.
Specifically, reference picture 8, step S30 includes：
Step S31, air quantity and station air output are entered according to the station of each subway station gateway, obtain ground
The overall station air quantity in iron station is poor, and whole according to air-conditioning amount and air-conditioning return air amount acquisition subway station
The air-conditioning air volume of body is poor；
Step S32, shield door inleakage, wherein shield door are obtained according to station air quantity difference and air-conditioning air volume difference
Inleakage is equal to station air quantity difference and the poor sum of air-conditioning air volume.
Air quantity and station air output are first entered according to the station of each station entrance-exit, the overall car in station is tried to achieve
Stand into air quantity and station air output, air quantity is then entered according to the overall station in station and station air output is tried to achieve
The overall station air quantity in subway station is poor, and obtains subway station according to air-conditioning amount and air-conditioning return air amount
Overall air-conditioning air volume is poor；Then shield door inleakage is obtained according to station air quantity difference and air-conditioning air volume difference,
Wherein shield door inleakage is equal to station air quantity difference and the poor sum of air-conditioning air volume.
In the present embodiment, returned by obtaining the air-conditioning amount and air-conditioning of subway station air-conditioning system
Air quantity, is then based on being arranged at the wind speed detector of subway station gateway, obtains each subway station and goes out
The station of entrance enters air quantity and station air output, finally according to air-conditioning amount, air-conditioning return air amount, station
Enter air quantity and station air output, obtain the shield door inleakage of subway platform, i.e., based on wind in subway station
Amount equilibrium equation show that the shield door inleakage of subway station (is put down based on the overall air quantity in subway station
Weighing apparatus), so as to avoid directly detecting shield door inleakage at shield door, by it is a kind of measure indirectly in the way of it is real
The accurate measurement of existing shield door air quantity, it is to avoid because can not accurately measure shield door inleakage it is too high definitely
The air conditioner load of iron station air-conditioning system, saves the electric energy of unnecessary consuming, is advocated in country and sets up section
Today of about type society has positive realistic meaning.
Further, on the basis of metro platform shield door air leakage rate check method first embodiment of the present invention
On, second embodiment is proposed, reference picture 7 in a second embodiment, also includes after step S10：
Step S41, obtains the opening time and shut-in time of metro platform shield door；
Step S42, current time is compared with the opening time and shut-in time respectively, works as shielding
When the door opening time reaches, start each wind speed detector to test air quantity；Reached when the shield door shut-in time
Then, each wind speed detector is closed to stop testing air quantity.
During an open and close of shield door, the time that shield door has just started opens for shield door
Time, the time that shield door has just been closed completely is the shield door shut-in time, obtains current time simultaneously in real time
Current time is compared with the opening time and shut-in time respectively, reached when the shield door opening time
Then, start each wind speed detector to test air quantity；When reaching the shield door shut-in time, close each
Individual wind speed detector with stop test air quantity；I.e. only in this period that shield door is opened, open all
Wind speed detector to test air quantity so that by the unlatching of unlatching/shut-in time of wind speed detector and shield door/
Shut-in time is synchronous, that is to say, that only within this period that shield door is opened, wind speed detector detection car
Stand air output and station enters air quantity, so as to consider that shield door leaks out the station air output of factor and station enters
Air quantity, it is to avoid the station air output drawn and station enter air quantity part and consider or do not consider that shield door is opened completely
Status consideration is opened, the accuracy of station intake and station air output at air outlet is improved.
Through the above description of the embodiments, those skilled in the art can be understood that above-mentioned
Embodiment method can add the mode of required general hardware platform to realize by software, naturally it is also possible to logical
Cross hardware, but the former is more preferably embodiment in many cases.Understood based on such, it is of the invention
The part that technical scheme substantially contributes to prior art in other words can in the form of software product body
Reveal and, the computer software product is stored in storage medium (such as ROM/RAM, magnetic disc, a light
Disk) in, including some instructions are to cause a station terminal equipment (can be mobile phone, computer, service
Device, air conditioner, or network equipment etc.) perform method described in each of the invention embodiment.
It should be noted that the technical scheme of each embodiment of the present invention can be combined with each other, but must
Must be that basis can be implemented as with those skilled in the art, when the combination appearance of technical scheme is conflicting
Or when can not realize should people think that the combination of this technical scheme is not present, also not in application claims
Within protection domain.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention,
The equivalent structure transformation that every utilization description of the invention and accompanying drawing content are made, or directly or indirectly use
In other related technical fields, it is included within the scope of the present invention.
Claims (10)
1. a kind of metro platform shield door air leakage rate check system, it is characterised in that the air leakage rate check
System includes controller, Wind volume detector and the DIU data interface unit that mutual signal is connected, the air quantity
Sentence the station air-out for detecting each station entrance-exit in each gateway that detection means is arranged at subway station
Amount and station enter air quantity, and the air-conditioning system data cube computation of the DIU data interface unit and subway station is to obtain
The air-conditioning amount and air-conditioning return air amount of air-conditioning system, the controller enter according to station air output, station
Air quantity, air-conditioning amount and air-conditioning return air gauge calculate shield door inleakage.
2. metro platform shield door air leakage rate check system as claimed in claim 1, it is characterised in that
The Wind volume detector includes multiple wind speed detectors, regard the longitudinal cross-section of station entrance-exit as station
Air output and station enter the survey wind section of air quantity, and the wind speed detector is cut in array distribution in the survey wind
On face.
3. metro platform shield door air leakage rate check system as claimed in claim 2, it is characterised in that
The Wind volume detector also includes diversion air duct, and the section of the diversion air duct is overlapped with surveying wind section.
4. metro platform shield door air leakage rate check system as claimed in claim 2, it is characterised in that
The survey wind rectangular cross-section, the height using the center in the survey wind section as the center of circle, survey wind section is straight
Footpath obtains circle of reference, using the intersection point of the diagonal in the survey wind section and circle of reference as the first reference point,
First reference point is sequentially connected into reference to rectangle each rectangular edges midpoint as the second reference point,
The wind speed detector is respectively arranged in survey wind kernel of section, the first reference point and the second reference point.
5. the metro platform shield door air leakage rate check system as described in Claims 1-4 any one,
Characterized in that, the air leakage rate check system also includes timer, the timer is obtained and storage
Unlatching/shut-in time of iron platform screen door, when timer, which detects metro platform shield door, to be opened, control
Device processed starts the wind speed detector and enters air quantity to measure station air output and station；When timer is detected
When metro platform shield door is closed, controller closes the wind speed detector.
6. the metro platform shield door air leakage rate check system as described in Claims 1-4 any one,
Characterized in that, the controller obtain station enter air quantity and station air output station air quantity is poor, air-conditioning
Air output and the air-conditioning air volume of air-conditioning return air amount are poor, regard the poor sum of station air quantity difference and air-conditioning air volume as screen
Cover an inleakage.
7. a kind of metro platform shield door air leakage rate check method, it is characterised in that the air leakage rate check
Method includes：
Obtain the air-conditioning amount and air-conditioning return air amount of subway station air-conditioning system；
Based on the wind speed detector for being arranged at subway station gateway, each subway station gateway is obtained
Station enters air quantity and station air output；
Air quantity and station air output are entered according to the air-conditioning amount, air-conditioning return air amount, station, obtain ground
The shield door inleakage of iron platform.
8. metro platform shield door air leakage rate check method as claimed in claim 7, it is characterised in that
It is described that air quantity and station air output are entered according to the air-conditioning amount, air-conditioning return air amount, station, obtain ground
The step of shield door inleakage of iron platform, includes：
Air quantity and station air output are entered according to the station of each subway station gateway, subway station is obtained whole
The station air quantity of body is poor, and obtains the overall air-conditioning in subway station according to air-conditioning amount and air-conditioning return air amount
Air quantity is poor；
Shield door inleakage, wherein shield door inleakage etc. are obtained according to station air quantity difference and air-conditioning air volume difference
In the poor sum of station air quantity difference and air-conditioning air volume.
9. metro platform shield door air leakage rate check method as claimed in claim 7 or 8, its feature exists
In, the step of the air-conditioning amount and air-conditioning return air amount of acquisition subway station air-conditioning system after also wrap
Include：
Obtain the opening time and shut-in time of metro platform shield door；
Current time is compared with the opening time and shut-in time respectively, when shield door is opened
Between when reaching, start each wind speed detector to test air quantity；When reaching the shield door shut-in time, close
Each wind speed detector is closed to stop testing air quantity.
10. metro platform shield door air leakage rate check method as claimed in claim 9, it is characterised in that
The wind speed detector is multiple, and wind speed detector is cut in array distribution in the longitudinal direction of subway station gateway
On face,
It is described based on the wind speed detector for being arranged at subway station gateway, obtain each subway station discrepancy
The step of station of mouth enters air quantity and station air output includes：
Each wind speed detector is obtained at each subway station gateway in the shield door opening time to when closing
Between time in detection station air intake wind speed and station air-out wind speed；
The station air intake wind speed and station air-out wind speed detected according to multiple wind speed detectors, is obtained each respectively
Average air intake wind speed and average air-out wind speed at each individual subway station gateway；
Gone out according to the average air intake wind speed of each subway station gateway, average air-out wind speed and subway station
Entrance longitudinal cross-section area, the station for obtaining each subway station gateway enters air quantity and station air output.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610543755.5A CN106979802A (en) | 2016-07-11 | 2016-07-11 | Metro platform shield door air leakage rate check system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610543755.5A CN106979802A (en) | 2016-07-11 | 2016-07-11 | Metro platform shield door air leakage rate check system and method |
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| CN106979802A true CN106979802A (en) | 2017-07-25 |
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ID=59340811
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| CN201610543755.5A Pending CN106979802A (en) | 2016-07-11 | 2016-07-11 | Metro platform shield door air leakage rate check system and method |
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Application publication date: 20170725 |