CN116929810A - Automatic control type subway station and section tunnel hot smoke testing device and method - Google Patents
Automatic control type subway station and section tunnel hot smoke testing device and method Download PDFInfo
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- CN116929810A CN116929810A CN202310809841.6A CN202310809841A CN116929810A CN 116929810 A CN116929810 A CN 116929810A CN 202310809841 A CN202310809841 A CN 202310809841A CN 116929810 A CN116929810 A CN 116929810A
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- 239000000779 smoke Substances 0.000 title claims abstract description 66
- 238000012360 testing method Methods 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 118
- 239000000126 substance Substances 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 42
- 238000005259 measurement Methods 0.000 claims description 10
- 238000004088 simulation Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000009529 body temperature measurement Methods 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010998 test method Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
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- Business, Economics & Management (AREA)
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- Fire Alarms (AREA)
Abstract
The invention discloses an automatic control type subway station and section tunnel hot smoke testing device and method, comprising a simulated train source, an environment data acquisition device and a central control system; the simulated fire source is used for generating dense smoke simulating the occurrence of a fire; the environment data acquisition device is provided with a plurality of environment data which are distributed in the spaces of the platform, the station hall, the station tunnel and the section tunnel of the railway station and are used for acquiring the environment data of the temperature, the air flow speed and the air concentration of each zone of the railway station; the simulated fire source comprises a movable trolley body, a plurality of mutually independent combustion cavities are arranged on the trolley body, and combustion objects of different substances are arranged in each combustion cavity; the invention can simulate the combustion of different substances, so that the combustion is more close to the combustion of a real object; and each combustion object is independently combusted, so that the combustion cannot be influenced, and the combustion is controlled remotely without manual field operation.
Description
Technical Field
The invention relates to the technical field related to subway tests, in particular to an automatic control type subway station and section tunnel hot smoke testing device and method.
Background
The subway engineering is in the trial operation stage and the formal operation stage, and is an important link of subway safety guarantee, wherein the rapid detection and alarm, ventilation and smoke discharge and personnel safety evacuation are realized when a fire accident occurs. How to detect the working effects, reliability and linkage conditions of a subway fire detection alarm system, a ventilation and smoke exhaust system, accident lighting, an evacuation channel, evacuation indication and the like, and to judge whether each disaster prevention system can ensure the safe evacuation of passengers under the accident conditions of fire and the like is the urgent problem of a subway operation unit.
In the existing on-site detection method of the subway fire-fighting system, a cold smoke test method is mostly adopted, smoke is generated by burning smoke substances (smoke cakes and smoke guns) in the cold smoke test, and the real fire power (heat release rate) is generally not available, so that the smoke is not driven by buoyancy, the fire smoke diffusion and control effect cannot be truly reflected, the detected indexes are fewer, and the overall working effect of the fire-fighting system cannot be detected. However, although the hot smoke can generate floating smoke, the hot smoke can not simulate harmful gas generated in the combustion process and consume oxygen, so that the simulated combustion fire is difficult to generate with the actual real fire occurrence, and the one-sided performance exists.
Disclosure of Invention
In order to solve the problems that in the prior art, in the field detection method of the existing subway fire-fighting system, a cold smoke test method is mostly adopted, smoke is generated by burning smoke materials (smoke cakes and smoke guns), and the real fire power (heat release rate) is generally not available, so that the smoke is not driven by buoyancy, the fire smoke diffusion and control effect cannot be truly reflected, the detectable indexes are fewer, and the overall working effect of the fire-fighting system cannot be detected. While the existing method also adopts hot smoke for testing, the hot smoke can generate floating smoke, but can not simulate harmful gas generated in the combustion process and consume oxygen, so that the simulated combustion fire is difficult to generate with actual real fire, and the defect of one-sidedness exists.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention relates to an automatic control type subway station and section tunnel hot smoke testing device which comprises a simulated fire source, an environment data acquisition device and a central control system, wherein the simulated fire source is a gas turbine;
the simulated fire source is used for generating dense smoke simulating the occurrence of a fire;
the environment data acquisition device is provided with a plurality of environment data which are distributed in the spaces of the platform, the station hall, the station tunnel and the section tunnel of the railway station and are used for acquiring the environment data of the temperature, the air flow speed and the air concentration of each zone of the railway station;
the simulated fire source comprises a movable trolley body, a plurality of mutually independent combustion cavities are arranged on the trolley body, combustion objects of different substances are arranged in each combustion cavity, a top cover for opening and closing the combustion cavities is arranged at the top of each combustion cavity, an opening and closing mechanism for opening or closing the top cover is arranged on the trolley body, and an automatic ignition mechanism for igniting objects in the combustion cavity is also arranged on the trolley body; the pushing body is provided with a controller, the opening and closing mechanism and the automatic ignition mechanism are connected with the controller, and the controller is used for controlling the opening and closing mechanism and the automatic ignition mechanism to work;
the controller is provided with a communication module and is connected with a central control system through the communication module; and the inner walls of the combustion chambers are provided with heat insulation layers.
As a preferable technical scheme of the invention, a plurality of combustion chambers are arranged in a straight line, the opening and closing mechanism comprises a positioning frame arranged on a trolley body, a straight line screw rod and a limiting polish rod are arranged on the positioning frame, a moving block moving along the straight line screw rod is arranged on the straight line screw rod, and a limiting sliding sleeve moving along the limiting polish rod is arranged on the limiting polish rod; and be equipped with between movable block and the spacing sliding sleeve and remove the seat, one side of top cap articulates with the burning chamber, just one side of top cap is equipped with presses the pole, just it is equipped with vertical decurrent electric putter to remove on the seat, just electric putter's flexible end is equipped with and is used for pressing the pressing block that presses with the afterbody of pressing the pole, and automatic ignition mechanism is including setting up the some firearm in the bottom of every burning chamber.
As a preferable technical scheme of the invention, the tail part of each pressing rod is provided with a position sensor for detecting the position of the pressing block, each position sensor is numbered, and each position sensor is connected with the controller.
As a preferable technical scheme of the invention, the end part of the top cover is provided with a fire baffle plate which is arranged above the combustion chamber after the top cover is opened, and the outer end part of the fire baffle plate is provided with a balancing weight.
As a preferable technical scheme of the invention, the tail part of the pressing rod is provided with an arc-shaped pressing stop block.
As a preferred technical scheme of the invention, the edge of the top cover is provided with a downward sealing edge plate.
As a preferable technical scheme of the invention, the bottom of the trolley body is provided with the travelling wheels, the travelling wheels are provided with the motors for driving the travelling wheels to move, the motors are connected with the controller, and the controller controls the motors to rotate so as to drive the travelling wheels to walk and steer.
As a preferable technical scheme of the invention, a positioning mechanism is arranged between the fire baffle plate and the outer wall of the combustion chamber, the positioning mechanism comprises an electromagnet arranged on the outer wall of the combustion chamber and an iron block arranged on the fire baffle plate, and the surface of the electromagnet is provided with a heat insulation seat; the electromagnet is connected with the controller.
As a preferable technical scheme of the invention, the environment data acquisition device comprises a temperature measurement unit, a gas concentration measurement unit, a gas flow speed measurement unit and an acquisition camera, wherein the temperature measurement unit, the gas concentration measurement unit, the gas flow speed measurement unit and the acquisition camera are all connected with a central control system.
A testing method of an automatic control type subway station and section tunnel hot smoke testing device is characterized by comprising the following steps of: the method comprises the following steps:
step 1, selecting the type of a combustion object, and placing the combustion object which needs to be tested and can generate different types of smoke into a combustion cavity;
step 2, determining fire conditions of station fires, station hall fires, station tunnel fires and section tunnel fires and a subway fire control system linkage scheme;
step 3, determining a fire disaster working condition and a subway fire-fighting system linkage scheme, arranging the fire source system, and debugging and calibrating an environment data acquisition device;
step 4, the simulated fire source is started, the combustibles in the combustion cavity are combusted one by one, and the temperature, the gas concentration, the air flow speed, the image information, the thermal image information, the indicator light and the scale display in each combustion scene are collected and processed in linkage time of the subway fire-fighting system;
and 5, analyzing the data obtained by the multiple fire simulation experiments, and judging the compliance of the safety indexes of the subway fire-fighting system.
The beneficial effects of the invention are as follows:
1. the automatic control type subway station and section tunnel hot smoke testing device is characterized in that a specific simulation fire source is arranged, a plurality of mutually independent combustion cavities are arranged on a cart body, combustion objects of different substances are arranged in each combustion cavity, combustion simulation can be carried out on the combustion objects of different substances, combustion is enabled to be closer to that of a real object, generated smoke is more compositely and actually combusted, an opening and closing mechanism for opening or closing a top cover is arranged on the cart body, and an automatic ignition mechanism for igniting the objects in the combustion cavities is further arranged on the cart body; the pushing body is provided with a controller; and each combustion object is independently combusted, so that the influence is avoided, the combustion is controlled remotely, the manual field operation is not needed, and the safety in the test process is improved.
2. The automatic control type subway station and interval tunnel hot smoke testing device has the advantages that the top covers covered on the combustion cavities are opened and closed one by one through the arrangement of the specific opening and closing mechanism, the automatic control type subway station and interval tunnel hot smoke testing device has the characteristics of being simple in structure and easy to control, in the process of opening the top covers, the linear screw rod is driven to rotate through the servo motor, the linear screw rod drives the movable seat to move, the position sensor detects the position of the pressing block, when the position of the top cover which needs to be opened is moved by the pressing block, the controller controls the electric push rod to press down to press the pressing rod, the top cover is opened, then the automatic ignition mechanism ignites a combustion object in the combustion cavity to perform real object combustion simulation, the combustion object in the combustion cavity is closed through the top cover in the combustion process, the combustion object in other combustion cavities cannot be ignited, the top cover automatically falls down after the pressing action of the pressing rod is released, the combustion object in the combustion cavity is closed, and the automatic control type subway station and interval tunnel hot smoke testing device have the characteristic of being easy to control.
3. The automatic control type subway station and interval tunnel hot smoke testing device is characterized in that a fire baffle plate arranged above the combustion chamber after the top cover is opened is arranged on the end part of the top cover, and a balancing weight is arranged at the outer end part of the fire baffle plate to shield flame in the combustion process, so that the condition that the flame is too high to easily damage equipment of the station is avoided.
4. The bottom of pushing the car body in this kind of automatic control type subway station and interval tunnel hot smoke testing arrangement is equipped with the walking wheel, just be equipped with the motor that drives the walking wheel motion on the walking wheel, just the motor is connected with the controller, the controller control motor rotates and drives the walking wheel and walk and turn to, can remote control pushing the car body and remove to realize the simulation phenomenon of different regional burning, according to laminating burning regional uncertainty.
5. Under the magnetic action of an electromagnet, the automatic control type subway station and interval tunnel hot smoke testing device enables the fireproof plate to be tightly attached to the combustion chamber in a closed state, so that the phenomenon of tight closing is not easy to occur, smoke leakage is caused under the experiment of not carrying out the combustion object, and the phenomenon that the combustion object cannot be extinguished exists.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a structure of an automatic control type subway station and section tunnel hot smoke testing device of the invention;
FIG. 2 is a schematic diagram of the combustion chamber of the automatic control type subway station and section tunnel hot smoke testing device;
FIG. 3 is a schematic structural view of a positioning mechanism of an automatic control type subway station and section tunnel hot smoke testing device;
FIG. 4 is a schematic diagram of the structure of a fire baffle of an automatic control type subway station and section tunnel hot smoke testing device;
FIG. 5 is a system block diagram of a flame retardant panel of an automatic control type subway station and section tunnel hot smoke testing device of the invention;
FIG. 6 is a flow chart of a testing method of an automatic control type subway station and section tunnel hot smoke testing device of the invention;
fig. 7 is a test state diagram of an automatic control type subway station and section tunnel hot smoke test device according to the invention.
In the figure: 1. simulating a fire source; 2. an environmental data acquisition device; 3. a central control system; 4. a cart body; 5. a combustion chamber; 7. a top cover; 8. an opening and closing mechanism; 9. an automatic ignition mechanism; 10. a controller; 11. a communication module; 12. a thermal insulation layer; 13. a positioning frame; 14. a linear screw rod; 15. limiting a polished rod; 16. a moving block; 17. a limit sliding sleeve; 18. a movable seat; 19. pressing a pressing rod; 20. an electric push rod; 21. pressing the blocks; 22. an igniter; 23. a position sensor; 24. a fire baffle; 25. balancing weight; 26. pressing the stop block; 27. sealing the edge plate; 28. a walking wheel; 29. a motor; 30. a positioning mechanism; 31. an electromagnet; 32. a heat insulation seat; 33. a temperature measurement unit; 34. a gas concentration measurement unit; 35. an airflow velocity measurement unit; 36. collecting a camera; 37. iron blocks.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1 and 7, the invention relates to an automatic control type subway station and section tunnel hot smoke testing device, which comprises a simulated fire source 1, an environment data acquisition device 2 and a central control system 3;
the simulated fire source 1 is used for generating dense smoke simulating the occurrence of a fire;
the environment data acquisition device 2 is provided with a plurality of environment data which are distributed in the spaces of a platform, a station hall, a station tunnel and an interval tunnel of the railway station and are used for acquiring the environment data of the temperature, the air flow speed and the air concentration of each zone of the railway station;
the simulated fire source 1 comprises a movable trolley body 4, a plurality of mutually independent combustion cavities 5 are arranged on the trolley body 4, combustion objects of different substances are arranged in each combustion cavity 5, a top cover 7 for opening and closing the combustion cavities 5 is arranged at the top of each combustion cavity 5, an opening and closing mechanism 8 for opening or closing the top cover 7 is arranged on the trolley body 4, and an automatic ignition mechanism 9 for igniting the objects in the combustion cavities 5 is also arranged on the trolley body 4; the trolley body 4 is provided with a controller 10, the opening and closing mechanism 8 and the automatic ignition mechanism 9 are connected with the controller 10, and the controller 10 is used for controlling the opening and closing mechanism 8 and the automatic ignition mechanism 9 to work;
the controller 10 is provided with a communication module 11, and the controller 10 is connected with the central control system 3 through the communication module 11; and the inner walls of the combustion chamber 5 are provided with heat insulation layers 12.
By arranging a specific simulated fire source 1, wherein a plurality of mutually independent combustion chambers 5 are arranged on a cart body 4, combustion objects of different substances are arranged in each combustion chamber 5, combustion simulation can be carried out on the combustion objects of different substances, combustion is enabled to be closer to that of a real object, generated smoke is more compositely and actually combusted, an opening and closing mechanism 8 for opening or closing a top cover 7 is arranged on the cart body 4, and an automatic ignition mechanism 9 for igniting the objects in the combustion chambers 5 is also arranged on the cart body 4; the cart body 4 is provided with a controller 10; and each combustion object is independently combusted, so that the influence is avoided, the combustion is controlled remotely, the manual field operation is not needed, and the safety in the test process is improved.
The combustion chambers 5 are arranged in a straight line, the opening and closing mechanism 8 comprises a positioning frame 13 arranged on the trolley body 4, a straight line screw rod 14 and a limiting polished rod 15 are arranged on the positioning frame 13, a moving block 16 moving along the straight line screw rod 14 is arranged on the straight line screw rod 14, and a limiting sliding sleeve 17 moving along the limiting polished rod 15 is arranged on the limiting polished rod 15; a movable seat 18 is arranged between the movable block 16 and the limit sliding sleeve 17, one side of the top cover 1 is hinged with the combustion chamber 5, a pressing rod 19 is arranged on one side of the top cover 1, an electric push rod 20 vertically downward is arranged on the movable seat 18, a pressing block 21 for pressing the tail part of the pressing rod 19 is arranged at the telescopic end of the electric push rod 20, and the automatic ignition mechanism 9 comprises an igniter 22 arranged at the bottom of each combustion chamber 5; the linear screw rod is driven by a servo motor, wherein the servo motor is controlled by a controller. The top cover 7 covered on the combustion chamber 5 is opened and closed one by arranging the specific opening and closing mechanism 8, the device has the characteristics of simple structure and easy control, wherein in the process of opening the top cover 7, the linear screw rod 14 is driven by the servo motor 29 to rotate, the linear screw rod 14 drives the movable seat 18 to move, the position sensor 23 detects the position of the pressing block 21, when the pressing block 21 moves and the position of the top cover 7 which needs to be opened is detected, the controller 10 controls the electric push rod 20 to press the pressing rod 19, the top cover 7 is opened, then the automatic ignition mechanism 9 ignites the combustion matters in the combustion chamber 5 to perform physical combustion simulation, the combustion matters in the combustion chamber 5 are more practically attached, in the combustion process, the combustion matters in other combustion chambers 5 are not ignited by closing the top cover 7, the combustion matters in the combustion chamber 5 are automatically dropped after the pressing action of the pressing rod 19 is released, the combustion matters in the combustion chamber 5 are closed, and the device is easy to control.
The tail of each pressing rod 19 is provided with a position sensor 23 for detecting the position of the pressing block, each position sensor 23 is numbered, and each position sensor 23 is connected with a controller, so that the corresponding combustion chamber 5 is conveniently controlled to be opened.
Wherein, be equipped with on the tip of top cap 7 and place the flame baffle 24 of burning chamber top behind top cap 7 opening, shelter from the flame in the combustion process, avoid the flame too high, and damage the equipment at station easily, just the outer tip of flame baffle 24 is equipped with balancing weight 25, after relieving the action of pressing down the pole 19, then top cap 7 automatically fall under the action of gravity of balancing weight, close burning chamber 5.
Wherein, the afterbody of pressing the pole 19 is equipped with curved pressing dog 26, makes things convenient for pressing the briquetting to press like this.
Wherein, the edge of the top cover 7 is provided with a downward sealing edge plate 27 to seal the edge, thereby having a better closing effect.
The bottom of the cart body 4 is provided with a travelling wheel 28, the travelling wheel 28 is provided with a motor 29 for driving the travelling wheel 28 to move, the motor 29 is connected with the controller 10, the controller controls the motor to rotate to drive the travelling wheel 28 to walk and steer, and the cart body can be remotely controlled to move, so that the simulation phenomenon of combustion in different areas is realized, and the uncertainty of the attached combustion area is overcome.
A positioning mechanism 30 is arranged between the fire baffle plate 24 and the outer wall of the combustion chamber 5, the positioning mechanism 30 comprises an electromagnet 31 arranged on the outer wall of the combustion chamber 5 and an iron block 37 arranged on the fire baffle plate 24, and a heat insulation seat 32 is arranged on the surface of the electromagnet 31; the electromagnet 31 is connected to the controller 10. Therefore, under the magnetic action of the electromagnet 31, the fire baffle plate 24 and the combustion chamber 5 are tightly attached under the closed state, the phenomenon of tight closing is not easy to occur, the smoke is leaked under the experiment without carrying out the combustion, and the phenomenon that the combustion cannot be extinguished exists.
A testing method of an automatic control type subway station and section tunnel hot smoke testing device comprises the following steps:
step 1, selecting the type of a combustion object, and placing the combustion object which needs to be tested and can generate different types of smoke into a combustion cavity;
step 2, determining fire conditions of station fires, station hall fires, station tunnel fires and section tunnel fires and a subway fire control system linkage scheme;
step 3, determining a fire disaster working condition and a subway fire-fighting system linkage scheme, arranging the fire source system, and debugging and calibrating an environment data acquisition device;
step 4, the simulated fire source is started, the combustibles in the combustion cavity are combusted one by one, and the temperature, the gas concentration, the air flow speed, the image information, the thermal image information, the indicator light and the scale display in each combustion scene are collected and processed in linkage time of the subway fire-fighting system;
and 5, analyzing the data obtained by the multiple fire simulation experiments, and judging the compliance of the safety indexes of the subway fire-fighting system.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic control type subway station and section tunnel hot smoke testing device is characterized by comprising a simulated fire source (1), an environment data acquisition device (2) and a central control system (3);
the simulated fire source (1) is used for generating dense smoke simulating the occurrence of a fire;
the environment data acquisition device (2) is provided with a plurality of environment data which are distributed in the spaces of the platform, the station hall, the station tunnel and the section tunnel of the railway station and are used for acquiring the environment data of the temperature, the air flow speed and the air concentration of each zone of the railway station;
the simulated fire source (1) comprises a movable trolley body (4), a plurality of mutually independent combustion cavities (5) are arranged on the trolley body (4), combustion objects of different substances are arranged in each combustion cavity (5), a top cover (7) for opening and closing the combustion cavities (5) is arranged at the top of each combustion cavity (5), an opening and closing mechanism (8) for opening or closing the top cover (7) is arranged on the trolley body (4), and an automatic ignition mechanism (9) for igniting objects in the combustion cavities (5) is further arranged on the trolley body (4); the trolley body (4) is provided with a controller (10), the opening and closing mechanism (8) and the automatic ignition mechanism (9) are connected with the controller (10), and the controller (10) is used for controlling the opening and closing mechanism (8) and the automatic ignition mechanism (9) to work;
the controller (10) is provided with a communication module (11), and the controller (10) is connected with the central control system (3) through the communication module (11); and the inner walls of the combustion chambers (5) are provided with heat insulation layers (12).
2. The automatic control type subway station and section tunnel hot smoke testing device according to claim 1, wherein a plurality of combustion chambers (5) are arranged in a straight line, the opening and closing mechanism (8) comprises a positioning frame (13) arranged on a cart body (4), a straight line screw rod (14) and a limiting polished rod (15) are arranged on the positioning frame (13), a moving block (16) moving along the straight line screw rod (14) is arranged on the straight line screw rod (14), and a limiting sliding sleeve (17) moving along the limiting polished rod (15) is arranged on the limiting polished rod (15); and be equipped with between movable block (16) and spacing sliding sleeve (17) and remove seat (18), one side of top cap (1) articulates with burning chamber (5), just one side of top cap (1) is equipped with presses pole (19), just be equipped with vertical decurrent electric putter (20) on removing seat (18), just the flexible end of electric putter (20) is equipped with and is used for pressing down pressing block (21) with the afterbody of pressing pole (19), and automatic ignition mechanism (9) are including setting up igniter (22) in the bottom of every burning chamber (5).
3. The automatic control type subway station and section tunnel hot smoke testing device according to claim 2, wherein the tail part of each pressing rod (19) is provided with a position sensor (23) for detecting the position of the pressing block, each position sensor (23) is numbered, and each position sensor (23) is connected with the controller.
4. The automatic control type subway station and section tunnel hot smoke testing device according to claim 2, wherein a fire baffle plate (24) arranged above the combustion chamber after the top cover (7) is opened is arranged on the end portion of the top cover (7), and a balancing weight (25) is arranged at the outer end portion of the fire baffle plate (24).
5. The automatic control type subway station and section tunnel hot smoke testing device according to claim 2, wherein the tail of the pressing rod (19) is provided with an arc-shaped pressing stop block (26).
6. An automatically controlled subway station and section tunnel hot smoke testing device according to claim 2, characterized in that the edge of the top cover (7) is provided with a downward sealing edge plate (27).
7. The automatic control type subway station and section tunnel hot smoke testing device according to claim 2, wherein a travelling wheel (28) is arranged at the bottom of the cart body (4), a motor (29) for driving the travelling wheel (28) to move is arranged on the travelling wheel (28), the motor (29) is connected with a controller (10), and the controller controls the motor to rotate so as to drive the travelling wheel (28) to walk and turn.
8. The automatic control type subway station and section tunnel hot smoke testing device according to claim 2, wherein a positioning mechanism (30) is arranged between the fire baffle plate (24) and the outer wall of the combustion chamber (5), the positioning mechanism (30) comprises an electromagnet (31) arranged on the outer wall of the combustion chamber (5) and an iron block (37) arranged on the fire baffle plate (24), and a heat insulation seat (32) is arranged on the surface of the electromagnet (31); the electromagnet (31) is connected with the controller (10).
9. The automatic control type subway station and section tunnel hot smoke testing device according to claim 1, wherein the environment data acquisition device (2) comprises a temperature measurement unit (33), a gas concentration measurement unit (34), an air flow speed measurement unit (35) and an acquisition camera (36), and the temperature measurement unit (33), the gas concentration measurement unit (34), the air flow speed measurement unit (35) and the acquisition camera (36) are all connected with the central control system (3).
10. The test method of the automatic control type subway station and section tunnel hot smoke test device according to any one of claims 1 to 9, wherein the method comprises the following steps: the method comprises the following steps:
step 1, selecting the type of a combustion object, and placing the combustion object which needs to be tested and can generate different types of smoke into a combustion cavity;
step 2, determining fire conditions of station fires, station hall fires, station tunnel fires and section tunnel fires and a subway fire control system linkage scheme;
step 3, determining a fire disaster working condition and a subway fire-fighting system linkage scheme, arranging the fire source system, and debugging and calibrating an environment data acquisition device;
step 4, the simulated fire source is started, the combustibles in the combustion cavity are combusted one by one, and the temperature, the gas concentration, the air flow speed, the image information, the thermal image information, the indicator light and the scale display in each combustion scene are collected and processed in linkage time of the subway fire-fighting system;
and 5, analyzing the data obtained by the multiple fire simulation experiments, and judging the compliance of the safety indexes of the subway fire-fighting system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310809841.6A CN116929810A (en) | 2023-09-24 | 2023-09-24 | Automatic control type subway station and section tunnel hot smoke testing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310809841.6A CN116929810A (en) | 2023-09-24 | 2023-09-24 | Automatic control type subway station and section tunnel hot smoke testing device and method |
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