CN117116131B - Flood invasion underground space crowd evacuation simulation experiment device and method - Google Patents
Flood invasion underground space crowd evacuation simulation experiment device and method Download PDFInfo
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- CN117116131B CN117116131B CN202311370763.0A CN202311370763A CN117116131B CN 117116131 B CN117116131 B CN 117116131B CN 202311370763 A CN202311370763 A CN 202311370763A CN 117116131 B CN117116131 B CN 117116131B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004088 simulation Methods 0.000 title claims abstract description 24
- 230000009545 invasion Effects 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 125
- 238000009825 accumulation Methods 0.000 claims abstract description 21
- 238000010992 reflux Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 239000002352 surface water Substances 0.000 claims description 11
- 230000000007 visual effect Effects 0.000 claims description 10
- 230000001174 ascending effect Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 3
- 238000006424 Flood reaction Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000001808 coupling effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012502 risk assessment Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
A crowd evacuation simulation experiment device and method for a flood invading underground space relates to the technical field of simulation experiments, and comprises three reservoirs, a stair area, a plane water accumulation area and a reflux water channel. The three reservoirs are connected with each other to output stable water flow for a stair area and a flat water area, and simulate flood to invade an underground space, wherein the flat water area comprises a first area and a second area; the first area and the second area are separated by a gate; one side of the first area is connected with the stair area, and the other side of the first area is connected with the gate; one side of the second area is connected with a gate, and the other side of the second area is connected with an open gate; the return channel returns accumulated water to the reservoir. According to the invention, through the plane water accumulation area and the gate, the situation that the underground space has a water level difference and an evacuation bottleneck is simulated, and omnibearing simulation data are provided for formulating an emergency evacuation scheme of flood invasion underground space crowd.
Description
Technical Field
The invention relates to the technical field of simulation experiments, in particular to a crowd evacuation simulation experiment device and method for a flood invading an underground space.
Background
In order to effectively solve the problems of too high personnel density, insufficient urban space and the like in the urban sustainable development process, a large number of underground facilities such as subway lines, underground parking lots, underground malls and the like are built in large cities at home and abroad. When the urban is subjected to extreme stormwater and the ground ponding invades the underground space, the flood rapidly spreads to the underground space along the channels such as stairs, so that the life safety of the crowd in the underground space is threatened by the flood. The rapid spreading of water flow on the stairs of the underground space and the rapid rising of water level on the plane seriously affect the safety of people evacuation. Therefore, for urban underground space flood invasion, the research emphasis is on providing theoretical basis for flood control design and evacuation guidance work by researching the influence of underground space stairs and water flow characteristics on a plane on pedestrian movement. In the prior art, most of the simulation of the corridor is realized, the situations of water level difference and evacuation bottleneck are not considered, and comprehensive simulation data cannot be provided for controlling the crowd evacuation of the flood-invaded underground space.
Disclosure of Invention
The invention aims to provide a flood invasion underground space crowd evacuation simulation experiment device and method for solving the problems. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the present application provides a flood intrusion underground space crowd evacuation simulation experiment device, including: three reservoirs, a stair area, a plane water accumulation area and a reflux water channel.
The three cistern divide into according to the height of horizontal position and go up cistern, well cistern and lower cistern, go up the cistern bottom and connect well cistern top through first pipeline, go up the cistern bottom and connect down the cistern top through the second pipeline, lower cistern bottom is connected through the third pipeline and is gone up the cistern bottom.
The stair area comprises an upper platform, a lower platform and a step; one end of the upper platform is connected with the side surface of the top of the middle reservoir, and the other end of the upper platform is connected with the top of the ladder; the lower platform is connected with the bottom end of the ladder.
The surface water accumulation area comprises a first area and a second area; the first area and the second area are separated by a gate; one side of the first area is connected with the lower platform, and the other side of the first area is connected with the gate; one side of the second area is connected with a gate, and the other side of the second area is connected with an open gate;
the reflux water course is located underground space stair and underground space plane ponding region below, the reflux water course is equipped with the slope, and uncovered sluice gate is connected to high one end, and the cistern top down is connected to low one end.
In a second aspect, the present application provides a method for simulating crowd evacuation experiments in a flood intrusion underground space, for the flood intrusion underground space, including:
the visual angle areas of the 3D TOF camera and the infrared high-definition network camera are respectively adjusted, so that the visual angle areas of the 3D TOF camera and the infrared high-definition network camera cover the stair area and the plane water area;
starting the circulating water pump and the first control valve until the upper reservoir and the middle reservoir reach the maximum water level;
opening the gate and the open gate to enable no ponding exists in the first area and the second area;
closing the open drain gate, opening the first control valve to inject liquid into the middle reservoir at a first flow rate, and allowing the liquid to overflow the middle reservoir at the first flow rate and spread along the stair area to the surface water area;
opening the open drain gate and the circulating water pump, adjusting and controlling the opening of the second control valve and the opening of the first control valve to ensure that the water flow entering the middle reservoir is larger than the water flow passing through the open drain gate, continuously accumulating water in a plane water accumulation area and leading the upper reservoir to have no water overflow;
after the accumulated water in the plane accumulated water area reaches a first preset depth and the water flow along the stair area is stable, closing the open gate, enabling an experimenter to move according to a preset evacuation path, and acquiring the moving process and accumulated water change of the experimenter through a 3D TOF camera and an infrared high-definition network camera; the preset evacuation path is a path along the second area, the gate, the first area, the lower platform and the uplink ladder to the upper platform;
changing the quantity of experimenters, adjusting the opening of a first control valve and an opening gate for multiple times, and obtaining evacuation processes of each experimenter under the conditions of different ponding depths of a plane ponding area, different water flows of a stair area and different quantities of experimenters through a 3D TOF camera and an infrared high-definition network camera.
In a third aspect, the application provides a method for simulating crowd evacuation experiments in a flood intrusion underground space, which is used when a water level difference exists in a surface water accumulation area, and comprises the following steps:
the visual angle areas of the 3D TOF camera and the infrared high-definition network camera are respectively adjusted, so that the visual angle areas of the 3D TOF camera and the infrared high-definition network camera cover the stair area and the plane water area;
starting the circulating water pump and the first control valve until the upper reservoir and the middle reservoir reach the maximum water level;
opening the open drain gate to enable no ponding in the second area;
closing the gate and the open drain gate, opening the first control valve to inject liquid into the middle reservoir at a maximum flow rate, and allowing the liquid to overflow the middle reservoir at the maximum flow rate and spread along the stair region to the first region;
when the accumulated water in the first area reaches a second preset depth, closing a first control valve, forming a water level difference between the first area and the second area, opening a gate, and enabling the accumulated water in the first area to flow into the second area, wherein the gate is equivalent to an evacuation bottleneck at the moment, an experimenter moves according to a preset evacuation path, and the moving process and accumulated water change of the experimenter are obtained through a 3D TOF camera and an infrared high-definition network camera; the preset evacuation path is a path along the second area, the gate, the first area, the lower platform and the uplink ladder to the upper platform;
changing the number of experimenters, adjusting the gate opening time for a plurality of times, so that different water level differences are formed between the first area and the second area, and different water level differences and the evacuation process of each experimenter under the condition of different numbers of experimenters are obtained through the 3D TOF camera and the infrared high-definition network camera.
The beneficial effects of the invention are as follows:
the invention eliminates the influence of static pressure in the middle reservoir and ensures constant overflow water flow by arranging the upper reservoir, simulates the conditions of water level difference and evacuation bottleneck in the underground space through the plane water accumulation area and the gate, and provides omnibearing simulation data for formulating an emergency evacuation scheme of flood invasion underground space crowd.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the embodiments, it being understood that the following drawings illustrate only some embodiments of the invention and are therefore not to be considered limiting of its scope, since other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a side view of the structure of an embodiment of the device of the present invention;
fig. 2 is a top view of the structure of the device according to the embodiment of the invention.
The marks in the figure:
1. a circulating water pump; 2. a lower reservoir; 3. a second control valve; 4. feeding a reservoir; 5. a first control valve; 6. a top platform; 7. a middle reservoir; 8. ascending a ladder; 9. a bending part; 10. a return water channel; 11. a lower platform; 12. a first region; 13. a gate; 14. a second region; 15. an opening gate; 16. going in and out stairs; 17. a 3D TOF camera; 18. an infrared high-definition web camera; 19. descending steps.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only to distinguish the description, and are not to be construed as indicating or implying relative importance.
Example 1:
as shown in fig. 1 and 2, the present embodiment provides a device for simulating crowd evacuation experiments of a flood invading an underground space, including: three reservoirs, a stairway area, a surface water area and a return channel 10. The three cistern is according to the height of horizontal position divide into reservoir 4, well cistern 7 and lower cistern 2, the reservoir 7 top in the first pipe connection of going up reservoir 4 bottom, the reservoir 2 top under going up reservoir 4 bottom through the second pipe connection, the reservoir 4 bottom is gone up in the reservoir 2 bottom through the third pipe connection. The upper reservoir 4 and the middle reservoir 7 in this embodiment are supported above the ground by a steel structure.
The stair area comprises an upper landing 6, a lower landing 11 and a step; one end of the upper platform 6 is connected with the side surface of the top of the middle reservoir 7, and the other end is connected with the top of the ladder; the lower platform 11 is connected with the bottom end of the ladder.
It will be appreciated that in this embodiment, by providing the upper reservoir 4, the level of the liquid in the middle reservoir 7 is maintained unchanged after the liquid in the middle reservoir 7 flows to the stairway area, so that the flow rate and the flow velocity of the liquid flowing to the stairway area are constant, and the influence of hydrostatic pressure is avoided.
The area of water surface includes a first area 12 and a second area 14; the first region 12 and the second region 14 are separated by a gate 13; one side of the first area 12 is connected with the lower platform 11, and the other side is connected with the gate 13; one side of the second area 14 is connected with the gate 13, and the other side is connected with the open-type leakage gate 15.
The reflux water channel 10 is positioned below the underground space stairs and the surface water area of the underground space, the reflux water channel 10 is provided with a gradient, one high end is connected with the open drain gate 15, and the other low end is connected with the top of the lower reservoir 2.
In this embodiment, the lower reservoir 2, the area water region and the return channel 10 are uniformly distributed on the ground.
The embodiment is also provided with a data acquisition system, which comprises a 3D TOF camera 17, an infrared high-definition network camera 18 and a water flow sensor; the 3D TOF camera 17 and the infrared high-definition network camera 18 are arranged on the top of the device and are used for acquiring the movement process and the ponding change of an experimenter; the water flow sensor is arranged on the open drain gate 15 and is used for acquiring data such as flow velocity, flow and depth of water flowing through the open drain gate 15.
The first pipeline is provided with a first control valve 5, the second pipeline is provided with a second control valve 3, and the third pipeline is provided with a circulating water pump 1. It should be noted that, the first control valve 5 is a water flow electromagnetic control valve, and the water flow electromagnetic control valve can accurately control the water flow, and the electromagnetic coil is used for controlling the opening and closing of the valve, so as to realize accurate and automatic adjustment of the flow, and dynamically record the return water flow parameter.
Waterproof baffles are arranged around the stair area and the flat water area to prevent water flow from overflowing.
The ladder comprises an ascending ladder 8 and a descending ladder 19 which are arranged in parallel, and the ascending ladder 8 and the descending ladder 19 are separated by a waterproof baffle.
The part of the third pipeline located in the upper reservoir 4 is provided with a bending part 9, and the bending part 9 is higher than the highest water level of the upper reservoir 4. The bending part 9 is used for eliminating the influence of the water pressure on the orifice of the third pipeline in the upper reservoir 4.
The present embodiment is further provided with an access stairs 16 communicating with the second area 14 for access to laboratory personnel.
Waterproof baffles are arranged around the reservoir and the reflux water channel 10.
Example 2:
the embodiment applied to the above device provides a crowd evacuation simulation experiment method for a flood intrusion underground space, which is used for the flood intrusion underground space and comprises the steps of S10, S20, S30, S40, S50, S60 and S70.
S10, respectively adjusting the visual angle areas of the 3D TOF camera 17 and the infrared high-definition network camera 18, so that the visual angle areas of the 3D TOF camera 17 and the infrared high-definition network camera 18 cover the stair area and the plane water area.
In some specific embodiments, two-dimensional calibration of the stair area and the plane water accumulation area can be realized through the calibration plate, so that pixel coordinates can be converted into 3D coordinates at a later stage, and the 3D TOF camera acquires space depth information as a supplement.
S20, starting the circulating water pump 1 and the first control valve 5 until the upper reservoir 4 and the middle reservoir 7 reach the maximum water level.
S30, opening the gate 13 and the open gate 15 to enable no water accumulation in the first area 12 and the second area 14.
S40, closing the open gate 15, opening the first control valve 5 to inject liquid into the middle reservoir 7 at a first flow rate, and allowing the liquid to overflow the middle reservoir 7 at the first flow rate and spread to the surface water accumulation area along the stair area.
S50, opening the open drain gate 15 and the circulating water pump 1, and adjusting and controlling the opening degrees of the second control valve 3 and the first control valve 5 to enable the water flow entering the middle reservoir 7 to be larger than the water flow passing through the open drain gate 15, continuously accumulating water in a plane water accumulation area, and enabling the upper reservoir 4 to be free from water overflow.
S60, after the water accumulation in the water accumulation area reaches a first preset depth and the water flow along the stair area is stable, closing an open drain gate 15, enabling an experimenter to enter a second area 14 from a stair 16, moving according to a preset evacuation path, and acquiring the movement process and water accumulation change of the experimenter through a 3D TOF camera 17 and an infrared high-definition network camera 18; the preset evacuation path is a path along the second area 14, the gate 13, the first area 12, the lower platform 11, the ascending step 8 and the upper platform 6.
In some specific embodiments, the positioning device can be worn by an experimenter, and the real-time position coordinates of the experimenter can be accurately obtained through the positioning device, wherein the positioning device comprises UBW, RFID, WIFI, bluetooth and other devices.
S70, changing the number of experimenters, adjusting the opening degrees of the first control valve 5 and the open gate 15 for a plurality of times, and obtaining the evacuation process of the experimenters under the conditions of different water accumulation depths in the area of water accumulation, different water flows in the area of stairs and different numbers of experimenters through the 3D TOF camera 17 and the infrared high-definition network camera 18.
The left-right swing, speed and other data of the body of a single experimenter can be obtained in the moving process of the experimenter; when a plurality of experimenters move, the experimenters can obtain local density, spatial distribution and other data. The data are used for analyzing influences of water flow of flood invasion downstairs areas and ponding depth of the plane ponding areas on crowd evacuation, and powerful data are provided for crowd safety evacuation management and evacuation risk assessment under underground space water invasion disasters.
After the experiment is finished, the experimenter leaves the device along the paths of the upper platform 6, the lower platform 19, the lower platform 11, the first area 12, the gate 13 and the second area 14 through the in-out stairs 16, opens the second control valve 3 and empties the upper reservoir 4.
Example 3:
the embodiment applied to the device above is that the crowd evacuation simulation experiment method for the flood invasion underground space is used for the situation that the water level difference exists in the surface water accumulation area and comprises the steps of S100, S200, S300, S400, S500 and S600.
S100, respectively adjusting the visual angle areas of the 3D TOF camera 17 and the infrared high-definition network camera 18 to enable the visual angle areas of the 3D TOF camera 17 and the infrared high-definition network camera 18 to cover the stair area and the plane water area;
s200, starting the circulating water pump 1 and the first control valve 5 until the upper reservoir 4 and the middle reservoir 7 reach the maximum water level;
s300, opening the open gate 15 to enable no water accumulation in the second area 14;
s400, closing the gate 13 and the open gate 15, opening the first control valve 5 to inject liquid into the middle reservoir 7 at a maximum flow rate, and overflowing the middle reservoir 7 at the maximum flow rate and spreading to the first area 12 along the stair area;
s500, when the accumulated water in the first area 12 reaches a second preset depth, the first control valve 5 is closed, a water level difference is formed between the first area 12 and the second area 14, the gate 13 is opened, the accumulated water in the first area 12 floods into the second area 14, the gate 13 is equal to an evacuation bottleneck at the moment, an experimenter moves according to a preset evacuation path, and the moving process and the accumulated water change of the experimenter are obtained through the 3D TOF camera 17 and the infrared high-definition network camera 18; the preset evacuation path is a path along the second area 14, the gate 13, the first area 12, the lower platform 11, the ascending step 8 and the upper platform 6;
s600, changing the number of experimenters, adjusting the opening time of the gate 13 for a plurality of times, so that different water level differences are formed between the first area 12 and the second area 14, and obtaining different water level differences and evacuation processes of the experimenters under the condition of different numbers of the experimenters through the 3D TOF camera 17 and the infrared high-definition network camera 18.
In some specific embodiments, the positioning device can be worn by an experimenter, and the real-time position coordinates of the experimenter can be accurately obtained through the positioning device, wherein the positioning device comprises UBW, RFID, WIFI, bluetooth and other devices.
In some specific embodiments, step S700 is also included.
S700, the opening degrees of the first control valve 5 and the open release gate 15 are adjusted for multiple times, different water flows in the stair area are changed, and evacuation processes of various experimental persons in different water level differences in the surface water area and under different numbers of experimental persons are obtained through the 3D TOF camera 17 and the infrared high-definition network camera 18.
The method is characterized in that data such as left and right swing, speed and the like of the body of a single experimenter can be obtained in the moving process of the experimenter; when a plurality of experimenters move, the experimenters can obtain local density, spatial distribution and other data. The data are used for analyzing the influence of the coupling effect of different water level differences of the surface water accumulation area and the evacuation bottleneck on the crowd evacuation efficiency and safety, and powerful data are provided for the design of the gate 13 and the establishment of an underground space flood emergency evacuation scheme.
After the experiment is finished, the experimenter leaves the device along the paths of the upper platform 6, the lower platform 19, the lower platform 11, the first area 12, the gate 13 and the second area 14 through the in-out stairs 16, opens the second control valve 3 and empties the upper reservoir 4.
The embodiment is used for simulating the situation that water exists in a subway platform and trapped people exist in the subway carriage when flood invades the subway station, and the gate 13 is equivalent to a subway door or a platform door and can also be used for simulating the situation that plane evacuation bottleneck exists in underground malls and the like.
According to the invention, urban residents can participate in evacuation simulation experiments, the escape skills of sudden flood invasion into underground space can be experienced and mastered, public safety training is disclosed and developed by shooting videos and other modes, and the capability of masses for coping with urban flood disasters is improved.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. 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.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a flood invasion underground space crowd evacuation simulation experiment device which characterized in that includes:
the three water reservoirs are divided into an upper water reservoir (4), a middle water reservoir (7) and a lower water reservoir (2) according to the height of the horizontal position, the bottom of the upper water reservoir (4) is connected with the top of the middle water reservoir (7) through a first pipeline, the bottom of the upper water reservoir (4) is connected with the top of the lower water reservoir (2) through a second pipeline, and the bottom of the lower water reservoir (2) is connected with the bottom of the upper water reservoir (4) through a third pipeline;
a stairway area comprising an upper landing (6), a lower landing (11) and a step; one end of the upper platform (6) is connected with the side surface of the top of the middle reservoir (7), and the other end is connected with the top of the ladder; the lower platform (11) is connected with the bottom end of the ladder;
a water-bearing zone comprising a first zone (12) and a second zone (14); the first area (12) and the second area (14) are separated by a gate (13); one side of the first area (12) is connected with the lower platform (11), and the other side is connected with the gate (13); one side of the second area (14) is connected with a gate (13), and the other side is connected with an open gate (15); overflowing the liquid at a maximum flow rate from the intermediate reservoir (7) and along the stairway area to the first area (12); when a water level difference is formed between the first area (12) and the second area (14), opening a gate (13), and the accumulated water in the first area (12) flows into the second area (14), wherein the gate (13) is equivalent to an evacuation bottleneck at the moment, and an experimenter moves according to a preset evacuation path; the preset evacuation path is a path along the second area (14), the gate (13), the first area (12), the lower platform (11) and the step to the upper platform (6);
the water return channel (10), the water return channel (10) is located under the stairs of the underground space and the surface water area of the underground space, the water return channel (10) is provided with a gradient, one high end of the water return channel is connected with the open drain gate (15), and the other low end of the water return channel is connected with the top of the lower reservoir (2); and
the system comprises a data acquisition system, a data acquisition system and a control system, wherein the data acquisition system comprises a 3D TOF camera (17), an infrared high-definition network camera (18) and a water flow sensor; the 3D TOF camera (17) and the infrared high-definition network camera (18) are arranged on the top of the device; the water flow sensor is arranged at the open leakage gate (15).
2. The flood intrusion underground space crowd evacuation simulation experiment device according to claim 1, wherein a first control valve (5) is arranged on the first pipeline, a second control valve (3) is arranged on the second pipeline, and a circulating water pump (1) is arranged on the third pipeline.
3. The flood intrusion underground space crowd evacuation simulation experiment device according to claim 1, wherein waterproof baffles are arranged around the stair area and the flat water area.
4. The flood intrusion underground space crowd evacuation simulation experiment device according to claim 1, wherein the steps comprise an ascending step (8) and a descending step (19) which are arranged in parallel, and the ascending step (8) and the descending step (19) are separated by a waterproof baffle.
5. The flood intrusion underground space crowd evacuation simulation experiment device according to claim 1, wherein a bent portion (9) is arranged at a portion of the third pipeline located in the upper reservoir (4), and the bent portion (9) is higher than the highest water level of the upper reservoir (4).
6. The flood intrusion underground space crowd evacuation simulation experiment device according to claim 1, further comprising an in-out stairs (16) communicated with the second area (14).
7. The flood intrusion underground space crowd evacuation simulation experiment device according to claim 1, wherein waterproof baffles are arranged around the reservoir and the reflux water channel (10).
8. The flood invasion underground space crowd evacuation simulation experiment method using the flood invasion underground space crowd evacuation simulation experiment device as claimed in claim 1, when a water level difference exists in a surface water accumulation area, the method is characterized by comprising the following steps:
the visual angle areas of the 3D TOF camera (17) and the infrared high-definition network camera (18) are respectively adjusted, so that the visual angle areas of the 3D TOF camera (17) and the infrared high-definition network camera (18) cover the stair area and the plane water area;
starting the circulating water pump (1) and the first control valve (5) until the upper reservoir (4) and the middle reservoir (7) reach the maximum water level;
opening the open drain gate (15) to enable no water accumulation in the second area (14);
closing the gate (13) and the open drain (15), opening the first control valve (5) to inject liquid into the middle reservoir (7) at a maximum flow rate, the liquid overflowing the middle reservoir (7) at a maximum flow rate and spreading along the stairway area to the first area (12);
when the accumulated water in the first area (12) reaches a second preset depth, the first control valve (5) is closed, a water level difference is formed between the first area (12) and the second area (14), the gate (13) is opened, the accumulated water in the first area (12) floods into the second area (14), the gate (13) is equivalent to an evacuation bottleneck at the moment, and an experimenter moves according to a preset evacuation path and acquires the movement process and accumulated water change of the experimenter through the 3D TOF camera (17) and the infrared high-definition network camera (18); the preset evacuation path is a path along the second area (14), the gate (13), the first area (12), the lower platform (11), the ascending step (8) and the upper platform (6);
changing the number of experimental personnel, adjusting the opening time of the gate (13) for a plurality of times, so that different water level differences are formed between the first area (12) and the second area (14), and different water level differences and the evacuation process of each experimental personnel under the condition of different numbers of the experimental personnel are obtained through the 3D TOF camera (17) and the infrared high-definition network camera (18).
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| CN202311370763.0A CN117116131B (en) | 2023-10-23 | 2023-10-23 | Flood invasion underground space crowd evacuation simulation experiment device and method |
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| CN117116131B true CN117116131B (en) | 2024-01-05 |
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