CN109059161A - The subway piston wind system and control method that continuously adjustable, part are opened - Google Patents
The subway piston wind system and control method that continuously adjustable, part are opened Download PDFInfo
- Publication number
- CN109059161A CN109059161A CN201810627454.XA CN201810627454A CN109059161A CN 109059161 A CN109059161 A CN 109059161A CN 201810627454 A CN201810627454 A CN 201810627454A CN 109059161 A CN109059161 A CN 109059161A
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- Prior art keywords
- piston
- valve
- piston air
- subway
- tunnel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000003584 silencer Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 19
- 238000012935 Averaging Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- 230000002528 anti-freeze Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
- F24F7/007—Ventilation with forced flow
-
- 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
- F24F11/89—Arrangement or mounting of control or safety devices
Abstract
The subway piston wind system and control method opened the present invention relates to continuously adjustable, part, system includes the piston air-valve being arranged in both ends are connect with the area Gui Hang AT STATION outbound end piston air duct, if being provided with dry temperature sensor on direction along ng a path below piston air-valve, each temperature sensor accesses DDC controller, and interconnects with piston air-valve；The parallel blade of multiple groups is provided in piston air-valve, fixed by sharf, sharf side is provided with multiple groups connecting rod and blade is divided into multiple groups, and the connecting rod of every group of blade is provided with independent analog quantity electric operator, and analog quantity electric operator and DDC controller interconnect.There was only the operation disadvantage for switching both of which the present invention overcomes existing Piston Action Wind system piston air-valve, influence of the piston wind pressure to platform door system when can alleviate the operation of winter enclosed, effectively improve station problem, and optimize conventional piston air-valve it is half-open when vane stress problems of too.
Description
Technical field
The present invention relates to subway ventilation temperature control technique fields, and in particular to the subway that a kind of continuously adjustable, part are opened
Piston wind system and control method.
Background technique
In recent years, with the fast development of China's subway engineering, subway construction is by original south
City is gradually moved northward.Moving northward for subway produces new, urgent problem to be solved: area
Between antifreeze and station temperature promotion.
Subway piston wind system is the unique tunnel channel system of Environmental Control System of Metro, it generally has tunnel TVF blower, living
Fill in air duct, Piston Action Wind ventilating shaft and electric piston air-valve composition.Train is run in tunnel in brake process, can be given out greatly
The heat of amount.When outdoor temperature is higher, this part waste heat can cause the raising of silicon carbide, it will usually open piston air-valve, benefit
It with the Piston Action Wind cooling tunnel section generated in subway operational process, and opens piston air-valve and can play the role of pressure release, reduce
Influence of the Piston Action Wind to gate and station.But in the northern area of China, since outdoor temperature is lower, winter is in order to maintain area
Between temperature be greater than 5 DEG C of requirement, the piston air-valve in normally closed piston vent, enclosed operation.When enclosed is run, although tunnel
Silicon carbide is greatly improved, but Piston Action Wind influences to further increase on station, and when so that train is leaving from station, volume is inhaled a large amount of
Outdoor air enters subway station, causes the reduction of station temperature.
Subway piston air-valve is generally built-up piston air-valve, usually only two kinds of operational modes of switch.And due to subway
Larger Piston Action Wind valve face product (is often 20m2), existing piston air-valve is mostly combined, continuously adjusts to be difficult accurately to control and open
Area, and piston air-valve is under half-open position, is influenced by Piston Action Wind, piston air valve blades stress is larger, easily damages blade
It is bad, shorten the service life of piston air-valve.
Summary of the invention
The subway piston wind system and control method opened the object of the present invention is to provide a kind of continuously adjustable, part,
Solve the problems, such as that section is antifreeze and station temperature is promoted.
The technical scheme adopted by the invention is as follows:
The subway piston wind system that continuously adjustable, part are opened, it is characterised in that:
The piston air-valve being arranged in the outbound end piston air duct being connect including both ends AT STATION with the area Gui Hang, piston air-valve lower section edge
If being provided with dry temperature sensor in orbital direction, each temperature sensor accesses DDC controller, and interconnects with piston air-valve；
It is provided with the parallel blade of multiple groups in piston air-valve, is fixed by sharf, sharf side is provided with multiple groups connecting rod
Blade is divided into multiple groups, the connecting rod of every group of blade is provided with independent analog quantity electric operator, the electronic execution of analog quantity
Mechanism and DDC controller interconnect.
The blade of piston air-valve is fixed in the frame of rectangle by sharf.
Piston air duct accesses piston vent and switching mode motor-driven valve is arranged on path, opens additionally by piston air duct with this
Pass type motor-driven valve is arranged in parallel tunnel TVF blower, is also provided with switch on the piston air duct between tunnel TVF blower and piston vent
Type motor-driven valve.
It is electronic that switching mode is provided on piston air duct between tunnel TVF fan parallel-connection setting two-way, with piston vent
Valve；
The wherein end of entering the station that TVF blower in tunnel is connect by piston air duct access station both ends with the area Gui Hang all the way, piston air duct
On be provided with switching mode motor-driven valve.
Tunnel TVF blower both ends are provided with silencer.
Piston vent end is provided with silencer.
The control method for the subway piston wind system that continuously adjustable, part are opened, it is characterised in that:
According to temperature sensor acquire tunnel temperature, averaged by DDC controller, convert the signal into voltage or
Current signal controls the movement of the analog quantity electric operator of piston air-valve, when mean temperature is greater than 5 DEG C, increases piston
Air-valve open area reduces piston air-valve open area when mean temperature is less than 5 DEG C, when temperature is less than 0 DEG C, closes completely
Close piston air-valve.
The invention has the following advantages that
The present invention not only can solve northern area winter outdoor temperature it is lower when, the too low problem of transit tunnel temperature, moreover it is possible to take into account
Winter station thermal environment reduces influence of the Piston Action Wind to subway station thermal environment, improves station temperature, reduces electrically heat tracing make
With reduction energy consumption overcomes existing piston wind system, and piston air-valve only has the operation disadvantage for switching both of which, and energy
Alleviate influence of the piston wind pressure to platform door system, improve station temperature, and optimize conventional piston air-valve it is half-open when blade by
Power problems of too.
Detailed description of the invention
Fig. 1 is piston air-valve Facad structure figure.
Fig. 2 is piston air-valve A to side formula figure (fully closed).
Fig. 3 is that piston air-valve A (is opened part) to side formula figure.
Fig. 4 is Piston Action Wind systematic schematic diagram.
Fig. 5 is tunnel end temperature below piston vent.
Fig. 6 is subway concourse temperature.
Fig. 7 is the area station Gui Hang wind pressure.
Fig. 8 is the area station Gui Hang CO2 concentration.
Label is frame (1-1), analog quantity electric operator (1-2), blade (1-3), connecting rod (1-4), blade in figure
Axis (1-5), piston air-valve (1), tunnel TVF blower (2), piston air duct (3), piston vent (4), switching mode motor-driven valve (5), temperature
It spends sensor (6), DDC controller (7).
Specific embodiment
The present invention will be described in detail With reference to embodiment.
The present invention relates to the subway piston wind systems that a kind of continuously adjustable, part are opened, including both ends and rail AT STATION
The piston air-valve 1 being arranged in the outbound end piston air duct 3 of row area connection, if being provided on 1 lower section direction along ng a path of piston air-valve
Dry temperature sensor 6(is such as: PT100, NTC type temperature sensor), each temperature sensor 6 accesses DDC controller 7, and with work
Air-valve 1 is filled in interconnect.It is provided with the parallel blade 1-3 of multiple groups in piston air-valve 1, is fixed by sharf 1-5, sharf 1-5
Side is provided with multiple groups connecting rod 1-4 and blade 1-3 is divided into multiple groups, and the connecting rod 1-4 of every group of blade 1-3 is provided with independent simulation
Measure electric operator 1-2(parameter voltages: AC220V/50Hz, torque be greater than 32Nm, model such as: MS6061, GIB335.1E),
It can independent control, analog quantity electric operator 1-2 and the interconnection of DDC controller 7.The blade 1-3 of piston air-valve 1 passes through sharf
1-5 is fixed in the frame 1-1 of rectangle.
Piston air duct 3 access piston vent 4 simultaneously on path be arranged switching mode motor-driven valve 5, additionally by piston air duct 3 with
The switching mode motor-driven valve 5 is arranged in parallel tunnel TVF blower 2, on the piston air duct 3 between tunnel TVF blower 2 and piston vent 4
It is also provided with switching mode motor-driven valve 5.Tunnel TVF blower 2 is arranged in parallel two-way, is all provided on the piston air duct 3 between piston vent 4
It is equipped with switching mode motor-driven valve 5；Wherein tunnel TVF blower 2 passes through what the access station both ends of piston air duct 3 were connect with the area Gui Hang all the way
It enters the station end, switching mode motor-driven valve 5 is provided on piston air duct 3.
TVF blower 2 both ends in tunnel are provided with silencer.4 end of piston vent is also equipped with silencer.
Winter, when train operation, closed outbound end piston air-valve 1, tunnel TVF blower 2 and tunnel TVF wind under normal circumstances
The switching mode motor-driven valve 5 in machine exit opens the switching mode motor-driven valve 5 on 4 piston air duct 3 of piston vent, and opens outbound end
Piston air-valve 1 in piston air duct 3.Train generates a large amount of heat in operation, brake process, and the air themperature in tunnel is much larger than
Outdoor temperature, due to piston wind action, for train during entering the station, the hot-air in tunnel flows through work by piston air-valve 1
Air duct 3 is filled in, and outdoor is flowed to by switching mode motor-driven valve 5 and piston vent 4,3, whole process piston air duct is heated
Process.However, when train is leaving from station, due to the inducing action of Piston Action Wind, outdoor air by piston vent 4, piston air duct 3,
Switching mode motor-driven valve 5 and piston air-valve 1 flow through tunnel, and since outdoor air is far below tunnel temperature, tunnel temperature is big at this time
Big cooling, when outdoor temperature is too low, the part tunnel construction sections of 1 lower section of piston air-valve will appear temperature and be substantially reduced, and even lower than 0
Degree, this part fire protection pipeline and equipment are easily freezed, and normal traffic safety is influenced.
The tunnel temperature that system of the invention is acquired according to temperature sensor 6, is averaged by DDC controller 7, by this
Signal is converted to voltage or current signal, controls the movement of the analog quantity electric operator 1-2 of piston air-valve 1, when average
Temperature is greater than 5 DEG C, and when continuing 30min, increases by 1 open area of piston air-valve, when mean temperature is less than 5 DEG C, and continues 30min
When, it reduces 1 open area of piston air-valve and completely closes piston air-valve 1 when temperature is less than 0 DEG C.
Piston air-valve 1 is set to the junction in outbound end subway piston air duct 3 and transit tunnel, and size is cut with piston air duct 3
Area is identical, and the size of this specific example is 20m2.Station is the double-deck island station, safety door system, when outdoor temperature is -15
DEG C, when deep soil temperature is 10 DEG C, by the tunnel thermal environment simulation software of authority, different area is opened to piston air-valve 1
Under (0m2For the fully closed operating condition of novel piston air-valve, 5m2For 1 group of unlatching operating condition of novel piston air-valve, 10m2For novel piston air-valve
2 groups of unlatching operating conditions, 20m2Be all turned on operating condition for piston air-valve), 1 lower section tunnel end temperature of piston air-valve, station subway concourse temperature,
Transit tunnel CO2Concentration and the wind pressure comparative analysis of the station area Gui Hang.
Fig. 5 is provided under a driving cycle, and tunnel end temperature, Fig. 6 are provided under a driving cycle below piston vent, vehicle
Subway concourse temperature, Fig. 7 are provided under a driving cycle, and the station area Gui Hang wind pressure, Fig. 8 is provided under a driving cycle, station rail
Row area wind pressure, from Fig. 5 to Fig. 8 in can obtain:
When piston air-valve open area is 0m2When (fully closed operating condition), transit tunnel temperature immediately below a cycle inner piston air-valve
Mean temperature is 10.2 DEG C, and station subway concourse a cycle mean temperature is lower, is 2.4 DEG C, the wind pressure of Piston Action Wind suffered by gate
Maximum value is 110Pa, the station area Gui Hang CO2Concentration is greater than 1000ppm.Although silicon carbide is higher, it is greater than specification limit value,
Subway concourse temperature is lower, and Piston Action Wind wind pressure suffered by gate is larger, the area Gui Hang CO2Concentration is higher.
When piston air-valve open area is 5m2When, a cycle inner piston air-valve underface transit tunnel temperature-averaging temperature
Degree is 7.9 DEG C, and station subway concourse a cycle mean temperature is 6.5 DEG C, the wind pressure maximum value 74Pa of Piston Action Wind suffered by gate, vehicle
The area Zhan Guihang CO2Concentration is greater than 800ppm.Although transit tunnel mean temperature immediately below piston air-valve is closed than novel piston air-valve
Low 2.3 DEG C when closing, but still meet normal value, and subway concourse temperature than novel piston air-valve close when 4.1 DEG C high, gate institute
By the wind pressure of Piston Action Wind and the CO in the station area Gui Hang2Concentration all has greatly improved.
When piston air-valve open area is 10m2When, a cycle inner piston air-valve underface transit tunnel temperature-averaging temperature
Degree is 5.2 DEG C, and station subway concourse a cycle mean temperature is 7.7 DEG C, the wind pressure maximum value 56Pa of Piston Action Wind suffered by gate, vehicle
The area Zhan Guihang CO2Concentration is 700ppm or so.Under this operating condition, transit tunnel temperature-averaging temperature reaches rule immediately below piston air-valve
The critical value of model, subway concourse temperature further increase, and the CO of the wind pressure of Piston Action Wind suffered by gate and the station area Gui Hang2Concentration
Further improve.
When piston air-valve open area is 20m2When (standard-sized sheet), transit tunnel temperature immediately below a cycle inner piston air-valve
Mean temperature is 0 DEG C, and station subway concourse a cycle mean temperature is 9.6 DEG C, the wind pressure maximum value of Piston Action Wind suffered by gate
22Pa, the station area Gui Hang CO2Concentration is 500ppm or so.Although the wind of subway concourse temperature under this operating condition, Piston Action Wind suffered by platform door
The CO of pressure and the area station Gui Hang2Concentration further improves, but transit tunnel temperature-averaging temperature is lower, easily causes section fire-fighting etc.
Pipeline freezes, and is unsatisfactory for code requirement.So needing to reduce piston air-valve open area.
In addition, in from Fig. 5 to Fig. 8 it can be concluded that, winter, when outdoor temperature is lower, Close Tunnel immediately below piston air-valve
Between temperature-averaging temperature reduce as the open area of piston air-valve increases, and subway concourse temperature is with piston air-valve open area
Increase and increases, the station area Gui Hang wind pressure and the station area Gui Hang CO2Concentration is changed as piston air-valve open area increases
It is kind, so there are optimal piston air-valve open areas.The optimal open area of this specific example piston air-valve is 10m2Left and right.
The contents of the present invention are not limited to cited by embodiment, and those of ordinary skill in the art are by reading description of the invention
And to any equivalent transformation that technical solution of the present invention is taken, all are covered by the claims of the invention.
Claims (7)
1. the subway piston wind system that continuously adjustable, part are opened, it is characterised in that:
The piston air-valve (1) being arranged in the outbound end piston air duct (3) being connect including both ends AT STATION with the area Gui Hang, piston air-valve
(1) if being provided with dry temperature sensor (6) on the direction along ng a path of lower section, each temperature sensor (6) accesses DDC controller (7),
And it is interconnected with piston air-valve (1)；
It is provided with the parallel blade of multiple groups (1-3) in piston air-valve (1), fixed by sharf (1-5), sharf (1-5)
Side is provided with multiple groups connecting rod (1-4) and blade (1-3) is divided into multiple groups, and the connecting rod (1-4) of every group of blade (1-3) is provided with solely
Vertical analog quantity electric operator (1-2), analog quantity electric operator (1-2) and DDC controller (7) interconnect.
2. the subway piston wind system that continuously adjustable according to claim 1, part are opened, it is characterised in that:
The blade (1-3) of piston air-valve (1) is fixed in the frame (1-1) of rectangle by sharf (1-5).
3. the subway piston wind system that continuously adjustable according to claim 1, part are opened, it is characterised in that:
Piston air duct (3) accesses piston vent (4) and switching mode motor-driven valve (5) is arranged on path, additionally by piston air duct
(3) it is arranged in parallel tunnel TVF blower (2) with the switching mode motor-driven valve (5), between tunnel TVF blower (2) and piston vent (4)
Piston air duct (3) on be also provided with switching mode motor-driven valve (5).
4. the subway piston wind system that continuously adjustable according to claim 3, part are opened, it is characterised in that:
Tunnel TVF blower (2) is arranged in parallel two-way, is provided with switching mode on the piston air duct (3) between piston vent (4)
Motor-driven valve (5)；
The wherein end of entering the station that tunnel TVF blower (2) is connect by piston air duct (3) access station both ends with the area Gui Hang all the way, it is living
Switching mode motor-driven valve (5) are provided on plug air duct (3).
5. the subway piston wind system that continuously adjustable according to claim 3, part are opened, it is characterised in that:
Tunnel TVF blower (2) both ends are provided with silencer.
6. the subway piston wind system that continuously adjustable according to claim 3, part are opened, it is characterised in that:
Piston vent (4) end is provided with silencer.
7. the control method for the subway piston wind system that continuously adjustable as claimed in claim 4, part are opened, feature exist
In:
According to the tunnel temperature that temperature sensor (6) acquire, is averaged by DDC controller (7), convert the signal into electricity
Pressure or current signal control the movement of the analog quantity electric operator (1-2) of piston air-valve (1), when mean temperature is greater than 5
DEG C when, increase piston air-valve (1) open area, when mean temperature is less than 5 DEG C, reduce piston air-valve (1) open area, work as temperature
When degree is less than 0 DEG C, piston air-valve (1) is completely closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627454.XA CN109059161A (en) | 2018-06-19 | 2018-06-19 | The subway piston wind system and control method that continuously adjustable, part are opened |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810627454.XA CN109059161A (en) | 2018-06-19 | 2018-06-19 | The subway piston wind system and control method that continuously adjustable, part are opened |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109059161A true CN109059161A (en) | 2018-12-21 |
Family
ID=64820392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810627454.XA Pending CN109059161A (en) | 2018-06-19 | 2018-06-19 | The subway piston wind system and control method that continuously adjustable, part are opened |
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| Country | Link |
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| CN (1) | CN109059161A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397464A (en) * | 2019-06-11 | 2019-11-01 | 太原理工大学 | A kind of antifreeze open shutter for coal master's ventilating system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2931792Y (en) * | 2006-08-09 | 2007-08-08 | 上海市城市建设设计研究院 | Piston vent system of subway station |
| CN102720519A (en) * | 2012-06-21 | 2012-10-10 | 广州地铁设计研究院有限公司 | Novel tunnel ventilation system for subway station |
| CN207092897U (en) * | 2017-05-31 | 2018-03-13 | 上海嘉成轨道交通安全保障系统股份公司 | Track traffic may filter that air type gate and the air-valve containing air cleaner |
-
2018
- 2018-06-19 CN CN201810627454.XA patent/CN109059161A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2931792Y (en) * | 2006-08-09 | 2007-08-08 | 上海市城市建设设计研究院 | Piston vent system of subway station |
| CN102720519A (en) * | 2012-06-21 | 2012-10-10 | 广州地铁设计研究院有限公司 | Novel tunnel ventilation system for subway station |
| CN207092897U (en) * | 2017-05-31 | 2018-03-13 | 上海嘉成轨道交通安全保障系统股份公司 | Track traffic may filter that air type gate and the air-valve containing air cleaner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397464A (en) * | 2019-06-11 | 2019-11-01 | 太原理工大学 | A kind of antifreeze open shutter for coal master's ventilating system |
| CN110397464B (en) * | 2019-06-11 | 2024-03-26 | 太原理工大学 | Anti-freezing split air door for coal mine main ventilation system |
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