CN201465406U - A subway station fire simulation experiment platform - Google Patents
A subway station fire simulation experiment platform Download PDFInfo
- Publication number
- CN201465406U CN201465406U CN2009201101042U CN200920110104U CN201465406U CN 201465406 U CN201465406 U CN 201465406U CN 2009201101042 U CN2009201101042 U CN 2009201101042U CN 200920110104 U CN200920110104 U CN 200920110104U CN 201465406 U CN201465406 U CN 201465406U
- Authority
- CN
- China
- Prior art keywords
- fire
- subway
- station
- subway station
- platform
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 238000004088 simulation Methods 0.000 title claims abstract description 36
- 239000000779 smoke Substances 0.000 claims abstract description 60
- 238000009423 ventilation Methods 0.000 claims abstract description 40
- 239000007787 solid Substances 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000007405 data analysis Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000011161 development Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 3
- 238000002474 experimental method Methods 0.000 claims description 37
- 239000007789 gas Substances 0.000 claims description 28
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 21
- 239000003546 flue gas Substances 0.000 claims description 21
- 238000004458 analytical method Methods 0.000 claims description 14
- 235000019504 cigarettes Nutrition 0.000 claims description 14
- 238000013461 design Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 238000004379 similarity theory Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 238000004079 fireproofing Methods 0.000 claims description 2
- 231100000252 nontoxic Toxicity 0.000 claims description 2
- 230000003000 nontoxic effect Effects 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 10
- 206010000369 Accident Diseases 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000009970 fire resistant effect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 26
- 238000010586 diagram Methods 0.000 description 4
- 239000003915 liquefied petroleum gas Substances 0.000 description 4
- 239000011449 brick Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 210000002837 heart atrium Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Landscapes
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
本实用新型提供一种地铁车站内部火灾模拟实验平台，涉及对地铁车站火灾事故的发生发展机理、控制与防治技术进行实验研究的地铁火灾事故模拟的设备，包括大比例尺地铁车站实体模型、火源系统、通风排烟系统、火灾探测报警系统、实验测量采集系统以及数据分析系统，其中，大比例尺地铁车站实体模型采用防火材料构建而成，是包含区间隧道、站台、站厅、设备房等的多层建筑结构；实体模型整体可进行拆卸组合；火源系统可模拟不同的火灾场景，并产生接近于真实的火灾热烟气。本实验系统平台解决了城市轨道交通地铁火灾事故难以开展现场实验研究的问题，可实现不同车站结构如地下、深埋、高架、岛式、侧式、中厅等地铁火害事故的三维实验模拟。
The utility model provides a fire simulation experiment platform inside a subway station, which relates to a subway fire accident simulation equipment for experimental research on the occurrence and development mechanism, control and prevention technology of a subway station fire accident, including a large-scale subway station entity model, a fire source system, ventilation and smoke exhaust system, fire detection and alarm system, experimental measurement and acquisition system, and data analysis system. Among them, the large-scale subway station solid model is constructed of fire-resistant materials, which includes interval tunnels, platforms, station halls, equipment rooms, etc. Multi-storey building structure; the solid model can be disassembled and assembled as a whole; the fire source system can simulate different fire scenes and generate fire heat smoke close to reality. This experimental system platform solves the problem that it is difficult to conduct on-site experimental research on subway fire accidents in urban rail transit, and can realize three-dimensional experimental simulations of subway fire accidents in different station structures such as underground, deep buried, elevated, island, side, and central halls. .
Description
Technical field
The utility model relates to a kind of to the equipment that the subway station fire smoke spreads and control experimentizes and studies, and specifically is a kind of subway station fire simulation experiment platform.
Background technology
Be directed to disaster accident in the particular space and adopt the research that experimentizes of full-scale solid model, there is certain difficulty, it is a kind of necessity, science, economy and practicable means that the simulated experiment model of employing certain proportion chi conducts a research, existing domestic and international most experimental system for simulating platform all is based on the yardstick analogue technique, the development and design in conjunction with specific demand.For example in buildings aspect the fire failure research, the flue gas that people such as Thomas adopt 1/10 minification model to study in the volumed space building spreads phenomenon, Morgan adopts Room Fire Smoke Control rule in the market of 1/10 minification and the model investigation of Subway Station in Atrium large space, in the middle Room BUILDINGS MODELS of W.K.Chow in 1/7 engineer's scale the fire smoke flow feature has been carried out modeling effort.Aspect underground works, China Mining University has developed the three-dimensional underground works experimental system simulation box that loads of 2000 * 2030 * 2030mm, can carry out simulated experiment to underground workss such as subway engineering, tunnel and underground excavation engineering, foundation works, special underground construction method, slope project, soil-baffling structures; Beijing Jiaotong University has set up domestic unique double-deck underground works experiment tunnel, carries out the on-the-spot sound power test of engineering and the experimental study of monitoring; The small scale subway model that Beijing University of Technology adopted 1: 42 is carried out air current composition and heat transfer Study on Effect in the subway hole.Yet the applicable object of existing experimental system for simulating platform and suitable function are all comparatively single, only can satisfy the particular demands of certain class engineering; Or model scale is too small, can bring bigger similarity error in experimental study, can't satisfy the needs of disaster accident simulation testing further investigation.
At present domestic still do not have subway station empirical model platform and be used to simulate that the underground fire hazard flue gas spreads and experimental study such as control, therefore, how to be directed to underground fire accidents, set up multi-functional large-scale experimental system platform, carrying out the experimental simulation of subway space fire spread, poison gas diffusion etc. and the experimental study of emergency ventilation, is the problem that the urban track traffic field presses for solution.
The utility model content
The purpose of this utility model just is to provide a kind of underground fire hazard simulation experiment platform of the research that can experimentize to generation development mechanism, control and the Prevention Technique of subway station fire failure.
For achieving the above object, the technical solution of the utility model is to adopt the subway station fire simulation experiment platform of a kind of 1: 5 ratio, comprise the subway station solid model and be located at burning things which may cause a fire disaster system, ventilation smoke exhaust system, fire detection alarm system, experiment measuring acquisition system and data analysis system in this solid model, wherein the subway station solid model is 1: 5 large scale model of simulation structure of the subway, is used for the three-dimensional restriceted envelope that simulated fire takes place; The burning things which may cause a fire disaster system is used to simulate different fire scenarios, produces to approach real fire heat smoke; The ventilation smoke exhaust system is used to simulate the ventilation smoke exhaust under subway normal mode and the disaster pattern; Fire detection alarm system is used to carry out the automatic identification and the warning of subway model interior fires; The experiment measuring acquisition system is used for DATA REASONING, collection and the processing of subway disaster accident simulation testing; Data analysis system be used to the to experimentize forecast assessment of contrast, analysis, checking and damage sequence of data,
Described subway station solid model is according to actual subway building structure, and the multi-layer construction structure that adopts the similarity theory analysis to set up can be dismantled and make up as required model;
Described burning things which may cause a fire disaster system comprises gas burner, hot cigarette generation case and burning things which may cause a fire disaster system controller, and its fire source power and the amount of being fuming can be regulated.
Wherein, described subway station solid model includes station tunnel, platform, subway concourse, the equipment room, described subway concourse, platform, station tunnel all adopts modular design, solid model integral body can be dismantled combination, can simulate the structure of the subway of different stations form, comprise buried subway station with four-layer structure, shallow embedding subway station with two-layer structure, or station layer is last, station hall layer under overhead subway station, or station tunnel is in formula subway station, the island of platform both sides, or the distributing side formula subway station of platform, station tunnel both sides, or the formula subway station, the middle Room that has the open communal space between platform and subway concourse.
Wherein, described subway station solid model main body adopts fire proofing material to make up, and is provided with the glass observation window at the inner different inspecting position of model.
Wherein, the gas burner of described burning things which may cause a fire disaster system and hot cigarette generation case adopt proportional control, and the burning things which may cause a fire disaster system can move.
Wherein, described burning things which may cause a fire disaster system contains flowmeter, thereby with the power of the gas flow pilot-gas burning things which may cause a fire disaster of control burner; The burning things which may cause a fire disaster flank of the burning jamb of described burner is placed with spike flue gas generation case, and the hot cigarette that is produced is nontoxic.
Wherein, described ventilation smoke exhaust system comprises platform public area ventilation smoke exhaust subsystem, tread ventilation smoke exhaust subsystem, flange of rail ventilation smoke exhaust subsystem and running tunnel ventilation smoke exhaust subsystem, each ventilation smoke exhaust subsystem is relatively independent, can carry out air quantity respectively and regulate, the air quantity in its each air port is determined by the model similarity analysis.
Wherein, each blower fan group by different numbers of described ventilation smoke exhaust subsystem constitutes, adopt the wind flow cover that the air quantity of each blower fan is demarcated, and pass through the air quantity of automatic each blower fan of centralized control of speed change demodulator, the flow in each air port is conformed to the experiment setting.
Wherein, be furnished with shield door, building staircase and train model in the solid model of described subway station, so that platform space and running tunnel space are spaced from each other, the length of shield door is identical with platform length along edge of the platform setting for described shield door.
Wherein, described experiment measuring acquisition system is the multichannel collecting system, comprise measuring sonde and camera that multiple spot is arranged, the space temperature field, pressure field, velocity field, gas concentration, the visibility that are used for subway disaster accident simulation testing are carried out the multi-functional signal measurement of multiple spot, collection and processing in real time, and video acquisition and the processing of carrying out the active development process.
Subway station of the present utility model fire simulation experiment platform has following outstanding advantage:
1, this experimental system platform can be simulated the structure of the subway of different stations form
Subway concourse, platform, station tunnel have all adopted modular design, solid model integral body can be dismantled combination, the four-layer structure correspondence buried subway station, the two-layer structure correspondence the shallow embedding subway station, station layer last, station hall layer under the structure correspondence overhead subway station, station tunnel formula subway station, island in the structure correspondence of platform both sides, the distributing structure correspondence of platform of station tunnel both sides side formula subway station, have between platform and subway concourse the structure of the open communal space corresponding in formula subway station, the Room.
2, large-scale multi-functional subway model
Based on the similarity theory analysis of the similarity criterion coefficient that is applicable to fire dynamics, flow of flue gas, determined 1: 5 large scale subway real experiment model, this is the multi-functional subway model of the current track field of traffic maximum of carrying out fire accident analysis.Simultaneously, can carry out the research of fire spread and flue gas diffusion experiment, ventilation smoke exhaust research, toxic and harmful diffusion research etc. in this model inside.
3, the burning things which may cause a fire disaster system of simulation different capacity fire heat smoke
This is one of core of whole experiment table, the gas burner that adopts can reach the effect of control combustion power by the adjustments of gas flow, to produce different fire flash-up curves, the setting of power is based on the similarity theory analysis of different fire scenarios and determine, low profile thermal cigarette generation case is positioned over the flank of combusting device stove burner, comprehensive flue gas particle is shown in generation, mixed and entrainmented by injecting fire plume, produce observable fire heat smoke, the hot flue gas body toxicity that this system produces is little, simulation is true, the device conveniently moving, and fire source power is easily regulated, control, of paramount importance is that the experimental repeatability of burning things which may cause a fire disaster system is good, cost is low.
4, the ventilation smoke exhaust system is controlled automatically
Each ventilation smoke exhaust system is relatively independent, can carry out air quantity respectively and regulate.Each system is made of the blower fan group of different numbers, adopt the wind flow cover that the air quantity of each blower fan is demarcated, to guarantee the accurate of air quantity, again by each fan delivery of the automatic centralized control of speed change demodulator, make the flow in each air port conform to the experiment setting, the automatic controlled and accuracy of system provides a great convenience for the simulation of the inner emergency ventilation of subway, and that has improved system can be handling.
Description of drawings
Fig. 1 is the platform planimetric map of the subway model with double-layer structure of the utility model experimental system for simulating platform;
Fig. 2 is the subway concourse planimetric map of the subway model with double-layer structure of the utility model experimental system for simulating platform;
Fig. 3 is the sectional view in the A-A cross section of Fig. 2;
Fig. 4 is a burning things which may cause a fire disaster systematic schematic diagram of the present utility model;
Fig. 5 is the arrangenent diagram of experiment measuring of the present utility model system.
Among the figure: 1, tunnel; 2, platform; 3, tread ventilation smoke exhaust system; 4, flange of rail ventilation smoke exhaust system; 5, tunnel ventilation smoke evacuation system; 6, shield door; 7, structural support posts; 8,9, staircase; 10, equipment room; 11, subway concourse; 12, gateway; 13, interlayer; 14, platform public area ventilation smoke exhaust system; 15, burning things which may cause a fire disaster system controller; 16, burner source of the gas line; 17, hot cigarette generation case; 18, combusting device stove burner; 19,20,21, temperature measurement probe in the tunnel; 22,23,24,25,26, speed, temperature, pressure, gas componant measuring sonde in the platform; 27,28,29, speed, temperature, pressure, gas componant measuring sonde in the subway concourse; 30,31, video acquisition camera in the tunnel; 32,33, video acquisition camera in the platform; 34, video acquisition camera in the subway concourse; 35,36, model external video acquisition camera.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Experimental system for simulating platform of the present utility model mainly comprises subway station solid model, burning things which may cause a fire disaster system, ventilation smoke exhaust system, fire detection alarm system, experiment measuring acquisition system and data analysis system.Below, in conjunction with the accompanying drawings, the specific embodiment of the utility model experimental system for simulating is carried out further detailed description.
(a), subway station solid model
Fig. 1 to 3 only provides the synoptic diagram of two layers of the most frequently used island formula structure of the subway, bright basic structure and the distribution that shows station hall layer, station layer, building staircase, equipment room, smoke evacuation/air port, gateway, the subway station of other different architecture structure forms promptly can further be realized on this basis.
As shown in Figures 1 to 3, the subway station solid model is the three-dimensional restriceted envelope that the simulated fire accident takes place, be that a long * wide * height is the two-layer structure of 20m * 4m * 2.2m (similar proportion 1: 5), the agent structure bottom represents underground two layers station layer (long * wide * as highly to be 16m * 2m * 1m), top represent B1 station hall layer (long * wide * as highly to be 17m * 3.6m * 1m). station hall layer is connected with the external world by 4 gateways 12 and (generally is provided with the building staircase that leads directly to ground, because it is little to the Research Significance of this experiment porch, so the details that the gateway is in communication with the outside is omitted in platform), gateway 12 size 1.5m * 0.8m; Be connected by two groups of (totally four) staircases between station hall layer and the station layer, this that is to say unique gateway that station layer links to each other with the external world, it is respectively that two sections station tunnels 1 are (long * wide * high for 20m * 1m * 1.1m), the ground location in tunnel 1 is lower than the ground location 0.2m of platform 2 in the both sides of an island platform that the headroom at its single staircase open communication position is of a size of 0.6m * 0.4m.; This experimental system platform adopts has the closed system design proposal of shield door, and the station is provided with shield door 6 along platform edge, and platform space and running tunnel space are spaced from each other, and the length of shield door 6 is identical with the length of platform 2, and shield door 6 height overalls are 0.6m; Equipment room 10 lays respectively at the both sides in platform zone, is of a size of 1.6m * 1.2m * 0.6m. station layer and station hall layer except above-mentioned specific gateway, can be considered closed structure; Opening is left at the two ends of running tunnel, open height and width can be regulated automatically by the radical occlusion device that is provided with, so that the boundary condition in the experiment is conformed to actual as much as possible. build train model with the multiple layer refractory plate, train is of a size of 14.4m * 0.6m * 0.6m, can be placed in the tunnel 1 as required, also extensible tunnel 1 is used to simulate the situation that there are car, no car in subway inside.
Subway station solid model main body is made up of building materialss such as refractory brick, refractory slab, fireproof glass and steel members, and wherein the model ground adopts the refractory brick place mat; The shield door 6 in platform zone adopts fireproof glass and steel member to constitute; Interlayer 13 (thickness is 20cm) in the middle of platform 2 and the subway concourse 11 adopts refractory slab; The building enclosure of running tunnel adopts refractory brick; Equipment room 10 adopts refractory slab to be split to form; Some building enclosures of platform, subway concourse adopt multilayer thickening refractory slab.
(b), ventilation smoke exhaust system
Ventilation smoke exhaust of the present utility model system comprises platform public area ventilation smoke exhaust system 14, tread ventilation smoke exhaust system 3, flange of rail ventilation smoke exhaust system 4 and station tunnel ventilation smoke exhaust system 5, doing under the normal condition ventilates uses, doing smoke evacuation under the accident conditions uses, each ventilation smoke exhaust system is relatively independent, can carry out air quantity respectively and regulate.System always has 50 little blower fan (maximum quantity of wind 100m
3/ h), 4 big blower fan (maximum quantity of wind 1000m
3/ h) constitute.In the station tunnel of train orderly shutdown scope, every side is provided with 15 tread smoke evacuation/air ports, 15 flanges of rail (under platform) smoke evacuation/air port, and the smoke evacuation air port is of a size of 0.3m * 0.4m, and concrete the layout seen Fig. 1 for details; The two ends, station are provided with tunnel ventilation system 5, and every end disposes 2 of standby mutually tunnel blower fans, and the air port is of a size of 0.8m * 0.9m, and concrete the layout seen Fig. 1 for details; Both sides, station platform public domain respectively are provided with 10 smoke evacuation/air ports, and smoke evacuation/air port is of a size of 0.3m * 0.2m, and concrete the layout seen Fig. 3 for details.
For homogeneity and the controllability that ensures each air port flow, each system's distributed arrangement blower fan, and control automatically by the speed change demodulator.Adopt the wind flow cover that fan delivery is demarcated.In the experiment, the total blast volume of each system fan is determined according to original design of subway and model similarity theoretical analysis.Simultaneously, can carry out the experiment under the different air quantity, thereby instruct the design of anti-smoke evacuation prioritization scheme.
(c), burning things which may cause a fire disaster system
As shown in Figure 4, burning things which may cause a fire disaster of the present utility model system is made of gas burner and hot cigarette generation case 17. and gas burner is realized the accurate control of gas flows by burning things which may cause a fire disaster system controller 15, thereby control fire source power, produce and satisfy the desired certain power distribution of experiment, can simulate the fire source power growth curve of the specific fire scenario of subway comparatively truly, maximum stable power can reach 500KW, the concrete flash-up curve that is adopted in the experiment can be determined according to original design of subway and the analysis of model similar proportion. the sparking mode of gas burner is that electronics is lighted a fire automatically, rock gas is mainly adopted in combustion gas, the gas that burning such as liquefied petroleum gas (LPG) is clean. combusting device stove burner 18 conveniently movings of burner, can place arbitrarily as required. because rock gas, liquefied petroleum gas (LPG) amount of being fuming when burning is very little, in order to follow the tracks of the motion conditions of flue gas, need to add the spike flue gas particle, hot cigarette generation case 17 promptly is based on this purpose and is used with combusting device stove burner 18, it designs with reference to Australia hot cigarette testing standard AS1391, be of a size of 0.2m * 0.2m * 0.15m, cake is placed in hot cigarette generation case bottom, its burning-point is very low, it is respond well to be fuming, with built-in electric rangette it is lighted in the experiment, cake glows and sends a large amount of white cigarettes, the flue gas gathering diffuses to flank, spurt facing to the fire plume district of burning jamb by the flank spout, thereby plume entrainments flue gas and realizes the spike effect of flue gas with the flue gas particle motion, thereby, under the heating of burning things which may cause a fire disaster, adopt this mode promptly to form the hot flue gas of certain power, but this flue gas approaches the hot flue gas of natural fire. the actual fire comburant of burning things which may cause a fire disaster system real simulation that the utility model proposes, its advantage is: but this fire source power electronic control control, and the flash-up curve can repeat; The hot flue gas body toxicity that produces is little, simulation is true; The experimental repeatability of burning things which may cause a fire disaster system is good, cost is low; The system and device conveniently moving can be placed on the fire failure that the inner diverse location of subway model is simulated different scenes according to the experiment needs.
(d), fire detection alarm system
Fire detection alarm system of the present utility model is used to carry out the detection identification and warning of subway model interior fires, comprise detector and alarm controller two parts, at station hall layer 4 smoke detectors are set, at station layer 4 smoke detectors are set, when the fire smoke concentration of simulation reaches setting threshold, the response voltage that produces just drives alarm, and then links with smoke control system.In experiment, can be artificial as required close in good time or start automatic fire alarm system.
(e), experiment measuring acquisition system and data analysis system
Experiment measuring acquisition system of the present utility model is with the multiple spot in the subway disaster accident simulation testing, multi-faceted, multiparameter, multi-functional signal measurement, collection and processing experimental data, flue-gas temperature between the main measurement of experiment tunnel, platform, subway concourse and escape stair, flow velocity, pressure, gas componant etc., determine the situation that spreads of flue gas in addition by range estimation, shooting, smoke-sensitive alarm, Fig. 5 is the arrangenent diagram of experiment measuring system.
As shown in Figure 5, speed, temperature, pressure, gas componant measuring sonde 22,23,24,25,26 are set in platform 2; Speed, temperature, pressure, gas componant measuring sonde 27,28,29 are set in subway concourse 1.
Temperature sensor adopts K type armoured thermocouple, and temp probe also is arranged in the tunnel, as temperature measurement probe 17,18,19 except that platform (comprising building staircase opening part) 2, subway concourse 1.
Hot-bulb anemoscope and bidirectional pressure difference pitot tube are adopted in velocity survey, and speed is popped one's head in except that platform (comprising building staircase opening part) 2, subway concourse 1, also is located in the tunnel.
The measurement of space pressure is undertaken by micro-pressure sensor, and the pressure in the different spaces is carried out real-time measurement.
CO in gas concentration such as the fire hazard environment, CO
2, O
2Etc. gas componant, and toxic gas leakage concentration, measure by flue gas analyzer and infrared gas analyzer.
Image in the experimentation carries out real-time continuous by distributed image capturing system and catches dynamic image, carries out the image scene seizure by the CCD camera system that multiple spot is arranged, carries out the rear end by the multi-faceted switching HD digital of frequency division display and shows.Camera comprises video acquisition camera 30,31 in the tunnel, video acquisition camera 32,33 in the video acquisition camera 32,33 in the platform, subway concourse, model external video acquisition camera 35,36.Can adjust the particular location of camera according to actual needs flexibly.
Owing to the signal type that needs in the experiment to measure is many, therefore the multi-faceted layout of sensor multiple spot needs the multichannel collecting system to carry out signals collecting, and acquisition system adopts the multichannel collecting instrument NI SCXI-1102 of NationalInstruments.
Data analysis system of the present utility model is used for the experimental data that obtains is analyzed, obtain the experimental data of fire failure, and adopt softwares such as FDS, FLUENT to carry out the fluid dynamic three-dimensional numerical value simulation of fire, analysis in conjunction with experimental data, the fire failure consequence is carried out suitable forecast assessment, propose targetedly disaster and place measure, for preventing and reducing natural disasters of the engineering design of subway construction, metro operation provides rationally, scientific basis accurately.
The use of brief description subway station of the present utility model fire simulation experiment system platform: (1) is positioned over the position that fire disaster simulation need be carried out in subway model inside with the combusting device stove burner 18 of burning things which may cause a fire disaster system and hot cigarette generation case 17 (in cake is arranged), for example in platform 2, subway concourse 11, train or the tunnel 1; (2) according to the design and the similarity theory analysis of fire scenario, contrived experiment fire source power growth curve is to adjust in experiment; (3) same, according to original design of subway and similarity theory analysis, ventilation smoke exhaust system in the experiment is carried out air quantity regulate; (4), the unfolding mode (side is opened, open both sides, contract fully) of screen door 6 is set according to pattern; (5) as required, arrange or remove train model; (6) as required, start or close automatic fire alarm system; (7) open the experiment measuring acquisition system, verification is demarcated; (8) experiment beginning starts the electric ignition of burning things which may cause a fire disaster, and smoke evacuation system enters disaster pattern, data acquisition; (9) experiment finishes, and finishes to gather, and closes burner, opens the experimental situation smoke evacuation, handles, analyzes experimental data.
It more than is preferred forms of the present utility model; according to the disclosed content of the utility model; those of ordinary skill in the art can expect some identical, replacement schemes apparently, the scope that these are identical, replacement scheme all should fall into the utility model protection.
Claims (9)
1. subway station fire simulation experiment platform, comprise the subway station solid model and be located at burning things which may cause a fire disaster system, ventilation smoke exhaust system, fire detection alarm system, experiment measuring acquisition system and data analysis system in this solid model, wherein the subway station solid model is 1: 5 large scale model of simulation structure of the subway, is used for the three-dimensional restriceted envelope that simulated fire takes place; The burning things which may cause a fire disaster system is used to simulate different fire scenarios, produces to approach real fire heat smoke; The ventilation smoke exhaust system is used to simulate the ventilation smoke exhaust under subway normal mode and the disaster pattern; Fire detection alarm system is used to carry out the automatic identification and the warning of subway model interior fires; The experiment measuring acquisition system is used for DATA REASONING, collection and the processing of underground fire hazard experiment; Data analysis system be used to the to experimentize forecast assessment of contrast, analysis, checking and damage sequence of data,
It is characterized in that described subway station solid model is according to actual subway building structure, the multi-layer construction structure that adopts the similarity theory analysis to set up can be dismantled and make up as required subway experimental entity model;
Described burning things which may cause a fire disaster system comprises gas burner, hot cigarette generation case and burning things which may cause a fire disaster system controller, and its fire source power and the amount of being fuming can be regulated.
2. subway station as claimed in claim 1 fire simulation experiment platform, it is characterized in that, described subway station solid model includes station tunnel, platform, subway concourse, the equipment room, described subway concourse, platform, station tunnel all adopts modular design, solid model integral body can be dismantled combination, can simulate the structure of the subway of different stations form, comprise buried subway station with four-layer structure, shallow embedding subway station with two-layer structure, or station layer is last, station hall layer under overhead subway station, or station tunnel is in formula subway station, the island of platform both sides, or the distributing side formula subway station of platform, station tunnel both sides, or the formula subway station, the middle Room that has the open communal space between platform and subway concourse.
3. subway station as claimed in claim 1 or 2 fire simulation experiment platform is characterized in that, described subway station solid model main body adopts fire proofing material to make up, and is provided with the glass observation window at the inner different inspecting position of model.
4. subway station as claimed in claim 1 fire simulation experiment platform is characterized in that, the gas burner of described burning things which may cause a fire disaster system and hot cigarette generation case adopt proportional control, and the burning things which may cause a fire disaster system can move.
5. as claim 1,2 or 4 described subway station fire simulation experiment platforms, it is characterized in that described burning things which may cause a fire disaster system contains flowmeter, thereby with the power of the gas flow pilot-gas burning things which may cause a fire disaster of control burner; The burning things which may cause a fire disaster flank of the burning jamb of described burner is placed with spike flue gas generation case, and the hot cigarette that is produced is nontoxic.
6. as claim 1,2 or 4 described subway station fire simulation experiment platforms, it is characterized in that, described ventilation smoke exhaust system comprises platform public area ventilation smoke exhaust subsystem, tread ventilation smoke exhaust subsystem, flange of rail ventilation smoke exhaust subsystem and running tunnel ventilation smoke exhaust subsystem, each ventilation smoke exhaust subsystem is relatively independent, can carry out air quantity respectively and regulate, the air quantity in its each air port is determined by the model similarity analysis.
7. subway station as claimed in claim 6 fire simulation experiment platform, it is characterized in that, each blower fan group by different numbers of described ventilation smoke exhaust subsystem constitutes, adopt the wind flow cover that the air quantity of each blower fan is demarcated, and the air quantity by automatic each blower fan of centralized control of speed change demodulator, the flow that makes each air port with test setting and conform to.
8. subway station as claimed in claim 1 fire simulation experiment platform, it is characterized in that, be furnished with shield door, building staircase and train model in the solid model of described subway station, so that platform space and running tunnel space are spaced from each other, the length of shield door is identical with platform length along edge of the platform setting for described shield door.
9. subway station as claimed in claim 1 fire simulation experiment platform, it is characterized in that, described experiment measuring acquisition system is the multichannel collecting system, comprise measuring sonde and camera that multiple spot is arranged, the space temperature field, pressure field, velocity field, gas concentration, the visibility that are used for the subway station fire simulation experiment are carried out the multi-functional signal measurement of multiple spot, collection and processing in real time, and video acquisition and the processing of carrying out the active development process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201101042U CN201465406U (en) | 2009-07-15 | 2009-07-15 | A subway station fire simulation experiment platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201101042U CN201465406U (en) | 2009-07-15 | 2009-07-15 | A subway station fire simulation experiment platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465406U true CN201465406U (en) | 2010-05-12 |
Family
ID=42392754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201101042U Expired - Lifetime CN201465406U (en) | 2009-07-15 | 2009-07-15 | A subway station fire simulation experiment platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465406U (en) |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162375A (en) * | 2010-12-27 | 2011-08-24 | 中国安全生产科学研究院 | On-site hot smoke test equipment and method for subway station and inter-station tunnel |
| CN102306459A (en) * | 2011-08-01 | 2012-01-04 | 中国科学技术大学 | Fire simulation experiment system for railway tunnel rescue station |
| CN102385812A (en) * | 2011-11-21 | 2012-03-21 | 中国科学技术大学苏州研究院 | Fire experiment simulation device in narrow and long limited space |
| CN102496317A (en) * | 2011-12-10 | 2012-06-13 | 兰州元创机电科技有限公司 | Automatic control simulation system used for land search and rescue training |
| CN102929276A (en) * | 2012-11-15 | 2013-02-13 | 公安部四川消防研究所 | Method for evaluating performance of large space building smoke controlling system |
| CN103761919A (en) * | 2014-01-29 | 2014-04-30 | 中国科学技术大学 | Chamber fire simulation experiment device under action of external wind |
| CN103971576A (en) * | 2014-05-11 | 2014-08-06 | 中国科学技术大学 | Experiment platform for simulation of control over fire smoke at key connection positions of subway station |
| CN105336258A (en) * | 2015-11-30 | 2016-02-17 | 合肥工业大学 | Metro interchange station fire disaster smoke discharge simulation experiment device |
| CN106409117A (en) * | 2016-11-24 | 2017-02-15 | 公安部天津消防研究所 | Space structure node fire hazard behavior experiment apparatus and method thereof |
| CN106652724A (en) * | 2017-01-12 | 2017-05-10 | 天津大学 | Modular subway tunnel moving object fire size-reduced experiment system |
| CN106710419A (en) * | 2017-01-12 | 2017-05-24 | 天津大学 | Twin-tube tunnel multiple motion body fire size reduction experiment system with contact passage |
| CN106781987A (en) * | 2017-03-08 | 2017-05-31 | 南京工业大学 | Simulation experiment device and experiment method for mixed ventilation system of subway vehicle section |
| CN106781979A (en) * | 2017-01-12 | 2017-05-31 | 天津大学 | A kind of modular conveyor belt formula subway tunnel movable body fire reduced scale cun experimental system |
| CN106781978A (en) * | 2017-01-12 | 2017-05-31 | 天津大学 | A kind of modularization longitudinal direction smoke evacuation subway tunnel movable body fire test system |
| CN106847042A (en) * | 2017-01-12 | 2017-06-13 | 天津大学 | A kind of single tunnel onboard power multiple movement bodies fire reduced scale cun experimental system |
| CN106847043A (en) * | 2017-01-12 | 2017-06-13 | 天津大学 | A kind of modularization list tunnel multiple movement bodies cold smoke reduced scale cun experimental system |
| CN106920453A (en) * | 2017-01-12 | 2017-07-04 | 天津大学 | A kind of in-car reduced scale cun experimental system on fire of single tunnel chain traction multiple movement bodies |
| CN106920454A (en) * | 2017-01-12 | 2017-07-04 | 天津大学 | A kind of single tunnel chain traction multiple movement bodies fire reduced scale cun experimental system |
| CN106971666A (en) * | 2017-05-13 | 2017-07-21 | 中国科学技术大学 | A kind of multi-functional underground railway tunnel fire ventilation smoke exhaust pattern simulation research platform |
| CN107067930A (en) * | 2017-01-12 | 2017-08-18 | 天津大学 | A kind of changeable full transverse direction and half horizontal smoke evacuation tunnel movable body fire test system |
| CN107424506A (en) * | 2017-08-01 | 2017-12-01 | 北京市鑫强安全科技有限公司 | Modularization safety for tunnel engineering hidden danger experiences simulated device |
| CN108346369A (en) * | 2018-04-26 | 2018-07-31 | 山东科技大学 | A kind of novel subway station model |
| CN109118409A (en) * | 2018-08-03 | 2019-01-01 | 常州大学 | A kind of natural gas line fire incident hazard analysis method based on danger level |
| CN112945575A (en) * | 2021-02-25 | 2021-06-11 | 中国矿业大学 | Tower type combustion vehicle |
| CN113077673A (en) * | 2021-03-10 | 2021-07-06 | 西南交通大学 | Asymmetric double-gas fire source flame fusion experiment simulation device |
| CN114783265A (en) * | 2022-03-03 | 2022-07-22 | 温州大学 | Underground structure secondary fire simulation test device based on vibrating table simulation earthquake load |
| WO2025039400A1 (en) * | 2023-08-24 | 2025-02-27 | 中车长春轨道客车股份有限公司 | Numerical simulation method and numerical simulation device for subway train fire |
| CN120720592A (en) * | 2025-08-26 | 2025-09-30 | 中国矿业大学 | Skid-mounted AI intelligent control active air supply and self-priming three-dimensional fire plume reconstruction device and method |
-
2009
- 2009-07-15 CN CN2009201101042U patent/CN201465406U/en not_active Expired - Lifetime
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162375A (en) * | 2010-12-27 | 2011-08-24 | 中国安全生产科学研究院 | On-site hot smoke test equipment and method for subway station and inter-station tunnel |
| CN102306459A (en) * | 2011-08-01 | 2012-01-04 | 中国科学技术大学 | Fire simulation experiment system for railway tunnel rescue station |
| CN102306459B (en) * | 2011-08-01 | 2013-01-30 | 中国科学技术大学 | A Fire Simulation Experiment System for Railway Tunnel Rescue Station |
| CN102385812A (en) * | 2011-11-21 | 2012-03-21 | 中国科学技术大学苏州研究院 | Fire experiment simulation device in narrow and long limited space |
| CN102496317A (en) * | 2011-12-10 | 2012-06-13 | 兰州元创机电科技有限公司 | Automatic control simulation system used for land search and rescue training |
| CN102496317B (en) * | 2011-12-10 | 2014-08-06 | 兰州元创机电科技有限公司 | Automatic control simulation system used for land search and rescue training |
| CN102929276A (en) * | 2012-11-15 | 2013-02-13 | 公安部四川消防研究所 | Method for evaluating performance of large space building smoke controlling system |
| CN103761919A (en) * | 2014-01-29 | 2014-04-30 | 中国科学技术大学 | Chamber fire simulation experiment device under action of external wind |
| CN103971576A (en) * | 2014-05-11 | 2014-08-06 | 中国科学技术大学 | Experiment platform for simulation of control over fire smoke at key connection positions of subway station |
| CN103971576B (en) * | 2014-05-11 | 2016-06-08 | 中国科学技术大学 | A kind of subway station key binding sites Fire Smoke Control simulation experiment platform |
| CN105336258A (en) * | 2015-11-30 | 2016-02-17 | 合肥工业大学 | Metro interchange station fire disaster smoke discharge simulation experiment device |
| CN106409117A (en) * | 2016-11-24 | 2017-02-15 | 公安部天津消防研究所 | Space structure node fire hazard behavior experiment apparatus and method thereof |
| CN106847043A (en) * | 2017-01-12 | 2017-06-13 | 天津大学 | A kind of modularization list tunnel multiple movement bodies cold smoke reduced scale cun experimental system |
| CN106920453A (en) * | 2017-01-12 | 2017-07-04 | 天津大学 | A kind of in-car reduced scale cun experimental system on fire of single tunnel chain traction multiple movement bodies |
| CN106920453B (en) * | 2017-01-12 | 2019-08-06 | 天津大学 | A single-tunnel chain traction multi-movement vehicle interior fire reduction experimental system |
| CN106781979A (en) * | 2017-01-12 | 2017-05-31 | 天津大学 | A kind of modular conveyor belt formula subway tunnel movable body fire reduced scale cun experimental system |
| CN106781978A (en) * | 2017-01-12 | 2017-05-31 | 天津大学 | A kind of modularization longitudinal direction smoke evacuation subway tunnel movable body fire test system |
| CN106847042A (en) * | 2017-01-12 | 2017-06-13 | 天津大学 | A kind of single tunnel onboard power multiple movement bodies fire reduced scale cun experimental system |
| CN106652724A (en) * | 2017-01-12 | 2017-05-10 | 天津大学 | Modular subway tunnel moving object fire size-reduced experiment system |
| CN106710419A (en) * | 2017-01-12 | 2017-05-24 | 天津大学 | Twin-tube tunnel multiple motion body fire size reduction experiment system with contact passage |
| CN106920454A (en) * | 2017-01-12 | 2017-07-04 | 天津大学 | A kind of single tunnel chain traction multiple movement bodies fire reduced scale cun experimental system |
| CN107067930A (en) * | 2017-01-12 | 2017-08-18 | 天津大学 | A kind of changeable full transverse direction and half horizontal smoke evacuation tunnel movable body fire test system |
| CN106781987A (en) * | 2017-03-08 | 2017-05-31 | 南京工业大学 | Simulation experiment device and experiment method for mixed ventilation system of subway vehicle section |
| CN106971666A (en) * | 2017-05-13 | 2017-07-21 | 中国科学技术大学 | A kind of multi-functional underground railway tunnel fire ventilation smoke exhaust pattern simulation research platform |
| CN107424506A (en) * | 2017-08-01 | 2017-12-01 | 北京市鑫强安全科技有限公司 | Modularization safety for tunnel engineering hidden danger experiences simulated device |
| CN107424506B (en) * | 2017-08-01 | 2024-04-26 | 许明哲 | Modular tunnel construction safety hazard experience simulation device |
| CN108346369A (en) * | 2018-04-26 | 2018-07-31 | 山东科技大学 | A kind of novel subway station model |
| CN109118409A (en) * | 2018-08-03 | 2019-01-01 | 常州大学 | A kind of natural gas line fire incident hazard analysis method based on danger level |
| CN109118409B (en) * | 2018-08-03 | 2022-02-11 | 常州大学 | Natural gas pipeline fire accident hazard analysis method based on risk degree |
| CN112945575B (en) * | 2021-02-25 | 2022-07-22 | 中国矿业大学 | A tower combustion vehicle |
| CN112945575A (en) * | 2021-02-25 | 2021-06-11 | 中国矿业大学 | Tower type combustion vehicle |
| CN113077673A (en) * | 2021-03-10 | 2021-07-06 | 西南交通大学 | Asymmetric double-gas fire source flame fusion experiment simulation device |
| CN113077673B (en) * | 2021-03-10 | 2022-12-23 | 西南交通大学 | An experimental simulation device for asymmetric dual-gas fire source flame fusion |
| CN114783265A (en) * | 2022-03-03 | 2022-07-22 | 温州大学 | Underground structure secondary fire simulation test device based on vibrating table simulation earthquake load |
| CN114783265B (en) * | 2022-03-03 | 2024-08-23 | 温州大学 | Underground structure secondary fire disaster simulation test device based on shaking table simulation earthquake load |
| WO2025039400A1 (en) * | 2023-08-24 | 2025-02-27 | 中车长春轨道客车股份有限公司 | Numerical simulation method and numerical simulation device for subway train fire |
| CN120720592A (en) * | 2025-08-26 | 2025-09-30 | 中国矿业大学 | Skid-mounted AI intelligent control active air supply and self-priming three-dimensional fire plume reconstruction device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201465406U (en) | A subway station fire simulation experiment platform | |
| CN100463015C (en) | Simulation Experiment Platform for Subway Disaster Accidents | |
| CN102693672A (en) | Subway station fire hazard simulation experiment platform | |
| CN101914904B (en) | Fire simulation experiment equipment for caverns in hydraulic and hydro-power engineering and simulation experiment method | |
| Stabile et al. | The effect of the ventilation retrofit in a school on CO2, airborne particles, and energy consumptions | |
| CN102162375B (en) | On-site hot smoke test equipment and method for subway station and inter-station tunnel | |
| CN103971576B (en) | A kind of subway station key binding sites Fire Smoke Control simulation experiment platform | |
| CN101527096B (en) | Experimental device for fire simulation in stairwells of super high-rise buildings | |
| CN103761919B (en) | Chamber fire simulation experiment device under action of external wind | |
| CN105336258B (en) | A kind of subway transfer station fire smoke evacuation analogue experiment installation | |
| CN211455075U (en) | A small-scale tunnel fire simulation test bench | |
| CN110223590A (en) | A kind of small size tunnel fire hazard simulation experiment system | |
| CN110838259A (en) | A small-scale tunnel fire simulation test bench | |
| CN106781986B (en) | A fire test device and method for subway multi-line transfer stations | |
| CN106683557A (en) | Simulating device for fire spread in channel type limited space | |
| CN112697954B (en) | Experimental device for multi-functional large-scale facade fire spreading prevention and control separation | |
| CN111145627A (en) | Adjustable Y-shaped tunnel simulation experiment system | |
| CN101833879A (en) | Comprehensive rescue simulation training system | |
| CN106781983A (en) | A kind of coupling machinery room with good ventilation corridor opening fire simulating overflow experimental provision | |
| CN106530930A (en) | Fire simulation experimental system for industrial production line | |
| CN110310562A (en) | Key Smoke Exhaust Test System for Double-deck Long Tunnel Fire | |
| Liu et al. | The formation of multi-steady-states of buoyancy ventilation in underground building | |
| CN211784184U (en) | Fire safety research simulation device for long and narrow space | |
| Hu et al. | Full-scale experimental studies on mechanical smoke exhaust efficiency in an underground corridor | |
| CN109459257B (en) | A test system for the influence of wind and fire on building structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term |