CN114919621A - Bidirectional feedback mechanism-based emergency evacuation guiding method in subway carriage - Google Patents
Bidirectional feedback mechanism-based emergency evacuation guiding method in subway carriage Download PDFInfo
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- CN114919621A CN114919621A CN202210248391.3A CN202210248391A CN114919621A CN 114919621 A CN114919621 A CN 114919621A CN 202210248391 A CN202210248391 A CN 202210248391A CN 114919621 A CN114919621 A CN 114919621A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 12
- 230000008713 feedback mechanism Effects 0.000 title claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 30
- 230000002452 interceptive effect Effects 0.000 claims abstract description 20
- 238000012790 confirmation Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 10
- 238000004880 explosion Methods 0.000 claims description 5
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 claims 1
- 238000004891 communication Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 230000001960 triggered effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009133 cooperative interaction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D49/00—Other details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
- B61K13/04—Passenger-warning devices attached to vehicles; Safety devices for preventing accidents to passengers when entering or leaving vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0018—Communication with or on the vehicle or train
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0054—Train integrity supervision, e.g. end-of-train [EOT] devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0072—On-board train data handling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/0081—On-board diagnosis or maintenance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
- B61L15/009—On-board display devices
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- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The invention relates to an emergency evacuation guiding method in a subway carriage based on a bidirectional feedback mechanism, which comprises the following steps of; receiving an alarm signal acquired by second interactive equipment in real time and sending the alarm signal to first interactive equipment; receiving a first evacuation early warning signal acquired by first interactive equipment in real time; acquiring line environment information and train carriage information in real time, judging whether a safety event occurs in real time, and generating a second evacuation early warning signal if the safety event occurs; when a first evacuation early warning signal is received or a second evacuation early warning signal is generated, sending confirmation reminding information to first interaction equipment, receiving a confirmation evacuation signal collected by the first interaction equipment in real time, and generating an optimal escape path according to position information of a rail transit emergency facility; and generating evacuation scheme information corresponding to each carriage of the train according to the optimal escape path and the information of the train carriages, and sending the evacuation scheme information to second interaction equipment corresponding to the carriages. Compared with the prior art, the invention improves the evacuation efficiency of the subway carriages during the evacuation of safety accidents.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an emergency evacuation guiding method in a subway carriage based on a bidirectional feedback mechanism.
Background
The subway is used as an important urban traffic tool and plays a very important role in relieving urban traffic jam conditions. Subway engineering is usually built in urban busy areas, buildings around the urban busy areas stand, and the geographical position and engineering characteristics of the subway engineering determine that the subway engineering has the characteristics of complex construction environment, high technical requirements, high construction difficulty, high risk and the like. Once a safety accident occurs in subway operation, serious casualties and property loss are easily caused, and if the accident can not be timely and effectively handled when the subway runs, the accident can be further worsened and developed, and the loss of personnel and property is enlarged.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an emergency evacuation guiding method in a subway carriage based on a bidirectional feedback mechanism, so that the evacuation efficiency of the subway carriage is improved during evacuation of safety accidents.
The purpose of the invention can be realized by the following technical scheme:
an emergency evacuation guiding method in a subway carriage based on a bidirectional feedback mechanism comprises an emergency triggering step and an emergency starting step;
the emergency triggering step comprises the following steps:
arranging first interaction equipment in a cab, and arranging second interaction equipment in each carriage of a subway train;
receiving an alarm signal acquired by the second interactive device in real time and sending the alarm signal to the first interactive device;
receiving a first evacuation early warning signal acquired by first interactive equipment in real time;
acquiring line environment information and train carriage information in real time, judging whether a safety event occurs in real time according to the line environment information and the train condition information, and if so, generating a second evacuation early warning signal;
when a first evacuation early warning signal is received or a second evacuation early warning signal is generated, sending confirmation reminding information to the first interaction equipment, and receiving a confirmation evacuation signal collected by the first interaction equipment in real time;
the emergency starting step comprises the following steps:
when an evacuation confirmation signal is received, generating an optimal escape path according to the position information of the rail transit emergency facility;
and generating evacuation scheme information corresponding to each carriage of the train according to the optimal escape path and the train carriage information, and sending the evacuation scheme information to corresponding second interaction equipment.
Further, the line environment information comprises first state information of a train running section, second state information in a train compartment and meteorological situation monitoring information near the running section.
Further, the first state information of the train driving interval comprises smoke concentration, visibility, temperature, water level and water flow speed of the train driving interval.
Further, the second state information in the train car comprises smoke concentration, visibility, temperature and water level in the train car.
Further, the train compartment information includes compartment positioning information, infrared detection information in the compartment, and pressure sensing information of the compartment ground.
Furthermore, the evacuation scheme information corresponding to each carriage comprises an escape direction, an exit distance and evacuation time;
and generating an escape direction and an exit distance according to the optimal escape path and the fixed length of the carriage, calculating the number of people in the corresponding carriage according to the information of the train carriage, and calculating the evacuation time according to the number of people.
And furthermore, video information and audio information collected by the first interaction equipment are received in real time and sent to the second interaction equipment, and video information and audio information in the carriage collected by the second interaction equipment are received in real time and sent to the first interaction equipment.
Further, the safety events are divided into a first-class event and a second-class event, when the safety events occur, dangerous carriages are determined according to the types of the safety events, and when an optimal escape path is generated, the dangerous carriages are used as the impassable areas.
Further, the type of event includes fire and explosion events.
Further, the second type of events include an interval power failure event and a train fault event.
Compared with the prior art, the invention has the following beneficial effects:
(1) the guiding method for emergency evacuation in the subway carriages is based on a bidirectional feedback mechanism, the emergency evacuation process can be automatically triggered by actively monitoring the line interval and the condition information of a train body in the emergency triggering process, the guiding method can also be actively triggered after a driver receives an instruction or an alarm signal fed back by passengers, an optimal escape path is generated according to the position information of traffic emergency facilities after the emergency is started, and the second interaction equipment corresponding to each carriage indicates that the passengers in the carriage are emergently evacuated, so that the response speed and the evacuation efficiency are improved, secondary damage is avoided, and the construction and management of the subway emergency capacity can be promoted to a certain extent;
(2) according to the invention, the emergency evacuation process is triggered after the evacuation confirmation signal sent by the driver is received, so that the driver is prevented from being triggered by mistake;
(3) according to the invention, safety events are divided into a first-class event and a second-class event, when the safety events occur, dangerous carriages are determined according to the types of the safety events, and when an optimal escape path is generated, the dangerous carriages are taken as an impassable area, so that the safety and reliability of the optimal escape path are ensured;
(4) the invention receives the video information and the audio information collected by the first interaction device in real time and sends the video information and the audio information to the second interaction device, and receives the video information and the audio information in the carriage collected by the second interaction device in real time and sends the video information and the audio information to the first interaction device, so that a driver and passengers can communicate in real time, and the evacuation efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of an emergency evacuation guidance system in a subway car;
fig. 2 is a schematic view of the working flow of the emergency evacuation guidance system in the subway car;
the numbering in the figures illustrates:
1. the system comprises an interval detection module, a 2, a carriage detection module, a 3, an interconnection detection module, a 4, a data measurement module, a 5, a control module, a 6, a carriage display module, a 101, an interval smoke sensing unit, a 102, an interval visibility monitoring unit, a 103, an interval temperature sensing unit, a 104, a section water level sensing unit, a 105, a section water speed sensing unit, a 201, a carriage smoke sensing module, a 202, a carriage visibility monitoring unit, a 203, a carriage temperature sensing unit, a 204, a carriage water level sensing unit, a 401, a positioning signal receiving unit, a 402, an infrared detection unit, a 403, a pressure sensing unit, a 404, a first communication unit, a 501, a central storage unit, a 502, a central processing unit, a 503, a first power supply, a 504, a control interface, a 505, a second communication unit, a 601, an evacuation indication unit, a 602, a voice and video interconnection unit, a 603, a second power supply, 604. third communication unit, 605 information feedback unit.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
An emergency evacuation guiding method in a subway carriage based on a bidirectional feedback mechanism comprises an emergency triggering step and an emergency starting step;
the emergency triggering step comprises:
arranging first interaction equipment in a cab, and arranging second interaction equipment in each carriage of a subway train;
receiving alarm signals sent by passengers in the carriage and collected by the second interaction equipment in real time, and sending the alarm signals to the first interaction equipment;
receiving a first evacuation early warning signal which is acquired by first interactive equipment and sent by a driver in real time;
acquiring line environment information and train carriage information in real time, judging whether a safety event occurs in real time according to the line environment information and the train condition information, and generating a second evacuation early warning signal if the safety event occurs;
when a first evacuation early warning signal is received or a second evacuation early warning signal is generated, sending confirmation reminding information to the first interaction equipment, and receiving a confirmation evacuation signal collected by the first interaction equipment in real time;
the emergency starting step comprises:
when an evacuation confirmation signal is received, generating an optimal escape path according to the position information of the rail transit emergency facility;
and generating evacuation scheme information corresponding to each carriage of the train according to the optimal escape path and the train carriage information, and sending the evacuation scheme information to corresponding second interaction equipment.
The line environment information includes first state information of a train running section, second state information in train cars, and weather situation monitoring information in the vicinity of the running section.
The first state information of the train running section includes smoke concentration, visibility, temperature, water level and water flow speed of the train running section.
The second status information within the train car includes smoke concentration, visibility, temperature, and water level within the train car.
The train compartment information includes compartment positioning information, infrared detection information in the compartment, and pressure sensing information of the compartment ground.
The evacuation scheme information corresponding to each carriage comprises escape direction, exit distance and evacuation time;
and generating an escape direction and an exit distance according to the optimal escape path and the fixed length of the carriage, calculating the number of people in the corresponding carriage according to the information of the train carriage, and calculating the evacuation time according to the number of people.
And receiving the video information and the audio information collected by the first interactive equipment in real time, sending the video information and the audio information to the second interactive equipment, receiving the video information and the audio information in the carriage collected by the second interactive equipment in real time, and sending the video information and the audio information to the first interactive equipment.
The method comprises the steps of dividing safety events into a first-class event and a second-class event, determining dangerous carriages according to the types of the safety events when the safety events occur, and taking the dangerous carriages as impassable areas when an optimal escape path is generated.
One type of event includes a fire event and an explosion event.
The second category of events includes section blackout events and train fault events.
As shown in fig. 2, the emergency evacuation guidance method in a subway car provided in this embodiment is implemented based on an emergency evacuation guidance system in a subway car, and the system includes:
the system comprises an interval detection module 1, a carriage detection module 2, an interconnection detection module 3, a data measurement and calculation module 4, a control module 5 and a plurality of carriage display modules 6 which are in one-to-one correspondence with carriages of each section of a train, wherein information collected by the interval detection module 1, the carriage detection module 2 and the interconnection detection module 3 is transmitted to the control module 5.
The first interactive device in the emergency evacuation guiding method in the subway carriage is realized through the control module 5, and the second interactive device is realized through the carriage display module 6.
The section detection module 1 is used for monitoring safety accident information of a subway running section, and comprises a section smoke sensing unit 101, a section visibility monitoring unit 102, a section temperature sensing unit 103, each section water level sensing units 104 and each section water speed sensing unit 105.
The compartment detection module 2 is used for monitoring safety accident information in a subway compartment and comprises a compartment smoke sensing module 201, a compartment visibility monitoring unit 202, a compartment temperature sensing unit 203 and a compartment water level sensing unit 204.
The interconnection detection module 3 is used for pushing global full-scale meteorological situation monitoring information and accurate early warning prevention and control information to the control module 5.
The data measuring and calculating module 4 comprises a positioning signal receiving unit 401, an infrared detection unit 402, a pressure sensing unit 403 and a first communication unit 404, a processing program of positioning data is stored in the positioning signal receiving unit 401, the data measuring and calculating module 4 positions the current subway after receiving an instruction sent by the control module 5, measures and calculates the number of passengers in each carriage, and then transmits data to the control module 5.
The control module 5 comprises a central storage unit 501, a central processing unit 502, a first power supply 503 for supplying power to the control module 5, a control interface 504 and a second communication unit 505 for communicating with the outside, wherein the central storage unit 501 stores a first data, a first program, a second program, a third program, a fourth program, a fifth program and a sixth program:
the first data is position data of rail transit emergency facilities;
the second program generates the distance and direction between the control end element and the nearest escape exit by identifying two escape exits nearest to the control unit;
the third program is a judgment condition, the driver is required to select that the current situation is 'first class event' or 'second class event', 'the first class event' is the situation that a certain carriage section cannot be used as an evacuation path or cannot pass due to fire, explosion and the like, and 'the second class event' is the situation that multidirectional evacuation can be carried out due to section power failure and the like;
a fourth program needs that a subway driver manually selects a carriage which cannot be used as an evacuation path on a control interface;
the fifth program can calculate the distance and the direction between the display unit in each compartment and the optimal escape passage according to the fixed length of the compartment;
and a sixth program can determine the evacuation speed according to the number of passengers in the carriage and calculate the time for reaching the evacuation point according to the evacuation speed.
The central processing unit 502 executes a designated operation in accordance with the program stored in the central storage unit 501, the control module 5 communicates with each of the car display modules 6 via the second communication unit 505, and the control interface 504 has a function of executing each program in the central storage unit 501.
The car display module 6 comprises an evacuation indication unit 601, a voice-video interconnection unit 602, a second power supply 603 for supplying power to the car display module 6, a third communication unit 604 and an information feedback unit 605, the control module 5 can check real-time pictures transmitted by the voice-video interconnection unit 602 corresponding to each car through the second communication unit 505 and can also perform real-time voice conversation, the evacuation indication unit 601 is used for indicating evacuation direction, distance indication and evacuation time, the information feedback unit 605 processes the distance and direction data of the optimal escape exit transmitted by the central processing unit 502 and converts the output data into escape direction indication, escape exit distance and time expected to reach an evacuation point, and displays the escape direction indication, the escape exit distance and the time. The third communication unit 604 may be used for information interaction with the control module 5.
The emergency evacuation guidance system in the subway carriage adopts a bidirectional feedback mechanism, and can complete the cooperative interaction of equipment in the following three scenes:
scene one: when a certain carriage has an emergency, the passenger is connected with the control module 5 through the third communication unit 604 of the carriage display module 6 corresponding to the carriage, the subway driver judges the event through the video picture and the voice content, and if the current event needs to evacuate emergency personnel, the emergency evacuation mode is started through the control interface 504.
Scene two: the interval detection module 1, the carriage detection module 2 and the interconnection detection module 3 actively identify the safety accident risk, and start the emergency evacuation mode through the control interface 504.
Scene three: when the subway driver runs in the subway, the vehicle is found to be out of order, and the current event is judged to be in accordance with the emergency evacuation condition, and the emergency evacuation mode is started through the control interface 504.
The working process of the emergency evacuation guiding system in the subway car is shown in fig. 2, taking the aforementioned scenario two as an example:
supposing that a subway runs into a tunnel and a car body is in a fire, the carriage detection module 2 gives an alarm, an emergency evacuation mode of the control interface 504 is triggered, passengers are evacuated, a first procedure is triggered immediately, a driver is required to perform secondary confirmation on whether evacuation is performed, a second procedure is triggered after evacuation is confirmed again, an escape exit near the subway car body is searched, a third procedure is executed, the driver is required to select the nature of an evacuation event, wherein the first-class event is the condition that a certain carriage section cannot be used as an evacuation path or can not pass due to fire, explosion and the like, and the second-class event is the condition that multi-directional evacuation can be performed such as section power failure and the like;
if the driver selects the first-class event, executing a program IV, manually selecting a carriage which cannot be used as an evacuation path, executing a program V after confirmation, taking the carriage as a starting point to evacuate to other directions in priority, then executing the program V, wherein the program IV is prior to the program V, if the driver selects the second-class event, executing the program V, and if the current event is a fire disaster, selecting the first-class event, triggering the program V and the program VI;
the fifth program can calculate the distance and the direction between each carriage display unit and the optimal escape route according to the fixed length of the carriage, and the sixth program can calculate the time length required by evacuation.
The control module 5 transmits the selection result to each car display module 6, and finally evacuation information is displayed on the information feedback unit 605.
Meanwhile, the subway driver can broadcast the whole subway according to the second communication unit 505 of the control module 5, and if the passengers have difficulty in the evacuation process, the subway driver can be fed back for help through the third communication unit 604 of the carriage display module 6 corresponding to the carriage in which the passengers are located.
The embodiment provides an emergency evacuation guiding method in a subway carriage based on a bidirectional feedback mechanism, which avoids secondary hazards and can promote the construction and management of subway emergency capacity to a certain extent.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection determined by the claims.
Claims (10)
1. An emergency evacuation guiding method in a subway carriage based on a bidirectional feedback mechanism is characterized by comprising an emergency triggering step and an emergency starting step;
the emergency triggering step comprises the following steps:
arranging first interaction equipment in a cab, and arranging second interaction equipment in each carriage of a subway train;
receiving an alarm signal acquired by second interactive equipment in real time and sending the alarm signal to first interactive equipment;
receiving a first evacuation early warning signal acquired by first interactive equipment in real time;
acquiring line environment information and train carriage information in real time, judging whether a safety event occurs in real time according to the line environment information and the train condition information, and generating a second evacuation early warning signal if the safety event occurs;
when a first evacuation early warning signal is received or a second evacuation early warning signal is generated, sending confirmation reminding information to the first interaction equipment, and receiving a confirmation evacuation signal collected by the first interaction equipment in real time;
the emergency starting step comprises the following steps:
when an evacuation confirmation signal is received, generating an optimal escape path according to the position information of the rail transit emergency facility;
and generating evacuation scheme information corresponding to each carriage of the train according to the optimal escape path and the train carriage information, and sending the evacuation scheme information to corresponding second interaction equipment.
2. The method as claimed in claim 1, wherein the line environment information includes first status information of a train running section, second status information of train cars and weather condition monitoring information around the running section.
3. The method as claimed in claim 2, wherein the first state information of the train running section includes smoke concentration, visibility, temperature, water level and water velocity of the train running section.
4. The method as claimed in claim 2, wherein the second status information of the train cars comprises smoke concentration, visibility, temperature and water level in the train cars.
5. The method according to claim 1, wherein the train car information includes car positioning information, infrared detection information in the car, and pressure sensing information of the ground of the car.
6. The method according to claim 1, wherein the evacuation plan information corresponding to each car includes an escape direction, an exit distance and an evacuation time;
and generating an escape direction and an exit distance according to the optimal escape path and the fixed length of the carriage, calculating the number of people in the corresponding carriage according to the information of the train carriage, and calculating the evacuation time according to the number of people.
7. The method for guiding emergency evacuation in a subway car based on a bidirectional feedback mechanism as claimed in claim 1, wherein video information and audio information collected by said first interactive device are received in real time and sent to said second interactive device, and video information and audio information collected by said second interactive device are received in real time and sent to said first interactive device.
8. The method as claimed in claim 1, wherein the safety events are classified into a first type event and a second type event, when a safety event occurs, the dangerous cars are determined according to the type of the safety event, and when the optimal escape path is generated, the dangerous cars are regarded as the impassable area.
9. The method according to claim 8, wherein the events of one type include fire events and explosion events.
10. The method according to claim 8, wherein the two types of events include an inter-regional power outage event and a train failure event.
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Cited By (1)
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| CN115620466A (en) * | 2022-12-16 | 2023-01-17 | 北京鼎昌复合材料有限责任公司 | Intelligent emergency management system for evacuation platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115620466A (en) * | 2022-12-16 | 2023-01-17 | 北京鼎昌复合材料有限责任公司 | Intelligent emergency management system for evacuation platform |
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