CN208416595U - The subway piston wind system that a kind of continuously adjustable, part are opened - Google Patents
The subway piston wind system that a kind of continuously adjustable, part are opened Download PDFInfo
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- CN208416595U CN208416595U CN201820939416.3U CN201820939416U CN208416595U CN 208416595 U CN208416595 U CN 208416595U CN 201820939416 U CN201820939416 U CN 201820939416U CN 208416595 U CN208416595 U CN 208416595U
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Abstract
The utility model relates to the subway piston wind systems that a kind of continuously adjustable, part are opened, 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.The utility model overcomes existing Piston Action Wind system piston air-valve and there was only the operation disadvantage for switching both of which, 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 utility model relates to subway ventilation temperature control technique fields, and in particular to a kind of continuously adjustable, part are opened
Subway piston wind system.
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 purpose of the utility model is to provide the subway piston wind systems that a kind of continuously adjustable, part are opened, and solve area
Between antifreeze and station temperature the problem of being promoted.
The technology employed by the present utility model is
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, under piston air-valve
If being provided with dry temperature sensor on square direction along ng a path, each temperature sensor accesses DDC controller, and mutual with piston air-valve
Connection；
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
Blade is divided into multiple groups by connecting rod, and the connecting rod of every group of blade is provided with independent analog quantity electric operator, and analog quantity is electronic
Executing agency 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
Switching mode motor-driven valve is provided on air duct.
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 the tunnel temperature that temperature sensor acquires, is averaged by DDC controller, convert the signal into voltage
Or current signal, the movement of the analog quantity electric operator of piston air-valve is controlled, when mean temperature is greater than 5 DEG C, is increased
Piston air-valve open area reduces piston air-valve open area when mean temperature is less than 5 DEG C, complete when temperature is less than 0 DEG C
Contract fully piston air-valve.
The utility model has the advantage that
The utility model not only can solve northern area winter outdoor temperature it is lower when, the too low problem of transit tunnel temperature,
Winter station thermal environment can also be taken into account, influence of the Piston Action Wind to subway station thermal environment is reduced, improves station temperature, reduces electric companion
The use of heat reduces energy consumption, overcomes existing piston wind system, and piston air-valve only has the operation for switching both of which to lack
Point, and can alleviate influence of the piston wind pressure to platform door system improves station temperature, and optimize conventional piston air-valve it is half-open when
Vane stress 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 utility model is described in detail With reference to embodiment.
The utility model relates to the subway piston wind systems that a kind of continuously adjustable, part are opened, including both ends AT STATION
The piston air-valve 1 being arranged in the outbound end piston air duct 3 connecting with the area Gui Hang is arranged on 1 lower section direction along ng a path of piston air-valve
If having dry temperature sensor 6(such as: PT100, NTC type temperature sensor), each temperature sensor 6 accesses DDC controller 7, and
It is interconnected with piston air-valve 1.It is provided with the parallel blade 1-3 of multiple groups in piston air-valve 1, is fixed by sharf 1-5, sharf
The side 1-5 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
Analog quantity electric operator 1-2(parameter voltages: AC220V/50Hz, torque be greater than 32Nm, model such as: MS6061,
It GIB335.1E), can independent control, analog quantity electric operator 1-2 and the interconnection of DDC controller 7.The blade 1- of piston air-valve 1
3 are fixed in the frame 1-1 of rectangle by sharf 1-5.
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 the system of the utility model is acquired according to temperature sensor 6, is averaged by DDC controller 7,
Voltage or current signal is converted the signal into, the movement of the analog quantity electric operator 1-2 of piston air-valve 1 is controlled, when
Mean 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
When 30min, reduces 1 open area of piston air-valve and completely close 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 immediately below a cycle inner piston air-valve
Temperature-averaging temperature is 10.2 DEG C, and station subway concourse a cycle mean temperature is lower, is 2.4 DEG C, Piston Action Wind suffered by gate
Wind pressure maximum value is 110Pa, the station area Gui Hang CO2Concentration is greater than 1000ppm.Although silicon carbide is higher, it is greater than specification and limits
Value, but 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 content of the utility model is not limited to cited by embodiment, and those of ordinary skill in the art are practical new by reading this
Type specification and to any equivalent transformation that technical solutions of the utility model are taken, be the claim institute of the utility model
Cover.
Claims (6)
1. the subway piston wind system that a kind of 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 a kind of 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 a kind of 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 a kind of 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 a kind of 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 a kind of continuously adjustable according to claim 3, part are opened, it is characterised in that:
Piston vent (4) end is provided with silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820939416.3U CN208416595U (en) | 2018-06-19 | 2018-06-19 | The subway piston wind system that a kind of continuously adjustable, part are opened |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820939416.3U CN208416595U (en) | 2018-06-19 | 2018-06-19 | The subway piston wind system that a kind of continuously adjustable, part are opened |
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| CN208416595U true CN208416595U (en) | 2019-01-22 |
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| CN201820939416.3U Active CN208416595U (en) | 2018-06-19 | 2018-06-19 | The subway piston wind system that a kind of continuously adjustable, part are opened |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757837A (en) * | 2021-07-29 | 2021-12-07 | 北京市地铁运营有限公司地铁运营技术研发中心 | Subway tunnel cooling system and subway platform cooling system |
-
2018
- 2018-06-19 CN CN201820939416.3U patent/CN208416595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757837A (en) * | 2021-07-29 | 2021-12-07 | 北京市地铁运营有限公司地铁运营技术研发中心 | Subway tunnel cooling system and subway platform cooling system |
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