CN111243262A - Station room passenger flow management and control system and management and control method based on intelligent isolation fence - Google Patents
Station room passenger flow management and control system and management and control method based on intelligent isolation fence Download PDFInfo
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- G08G1/00—Traffic control systems for road vehicles
- G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
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Abstract
The invention relates to a station room passenger flow management and control system and a management and control method based on an intelligent isolation fence, wherein the station room passenger flow management and control system comprises the intelligent isolation fence, a plurality of UWB base stations and a passenger flow management and control terminal; each intelligent isolation fence is provided with a microcontroller based on a UWB electronic tag and used for sending a UWB pulse signal for positioning to a UWB base station; the intelligent isolation fences are distributed along the passable area to form a passing route; the UWB base stations receive the UWB pulse signals and send the UWB pulse signals to the passenger flow management and control terminal; the passenger flow management and control terminal determines the position of each intelligent isolation fence; and counting the passenger flow volume in the current operation period to determine a corresponding passenger flow dispersion route, and generating a moving mode for adjusting the intelligent isolation fence and obtaining the corresponding passenger flow dispersion route. According to the invention, the UWB technology is applied to the intelligent isolation fence, and the indoor positioning of the intelligent isolation fence is realized, so that the intelligent management and control of the passenger flow in the station hall are realized. When an emergency occurs, the passenger flow management and control terminal controls the intelligent isolation barrier to remove isolation, and rapid passing is achieved.
Description
Technical Field
The invention relates to the technical field of isolation protection, in particular to a station room passenger flow management and control system and a station room passenger flow management and control method based on an intelligent isolation fence.
Background
With the rapid development of traffic industries such as subways and high-speed railways and the continuous improvement of service levels, the passenger flow volume continuously rises, and the situation of sudden large passenger flow happens occasionally. The continuous increase of passenger flow puts higher requirements on the dispersion capability of people flow dense areas such as escalators, pedestrian stairs, ticket selling and checking windows, transfer channels, entrance and exit channels and the like. In the past, the management and control of passenger flow mainly set passenger flow channels in limited spaces such as station halls, channels and the like by manually placing isolation barriers according to the passenger flow volume, so that the passenger flow path is changed, the passenger flow cross is reduced, and the overhigh passenger flow density is prevented. However, the manual passenger flow streamline evaluation scheme is relied on, the arrangement position of the isolation fence is set to dredge the passenger flow, quantifiable data support is lacked, the actual state of the isolation fence cannot be mastered, and real-time evaluation and monitoring on passenger flow management and control measures are lacked.
In order to better adapt to limited spaces such as station halls and channels, efforts such as passenger flow streamline design, isolation fence setting, passenger flow management and control evaluation should be emphasized. Therefore, the indoor positioning technology is of great significance in accurately judging the placing position, the state and the like of the isolation fence.
At present, in order to solve the problem of overhigh traffic passenger flow, some expert scholars provide various passenger flow control schemes from different research objects, and the method has certain reference significance. For passenger flow dispersion in a station hall, the most traditional and most direct scheme is to disperse passenger flow by using a manual isolation fence, and the specific implementation scheme is that when the passenger flow is overlarge, a transport pipe worker observes the passenger flow and experience on site, manually places the isolation fence into a certain shape, lengthens a passenger transfer route, and enables large-flow passengers to be transferred in order in a limited space, thereby achieving the purpose of dispersing the passenger flow.
In the existing station hall passenger flow management and control mode, usually, barriers are manually placed according to a designed evacuation route to perform passenger flow guidance, but whether the barriers are placed in place or not, whether the passenger flow guidance effect can be achieved or not, and whether the feedback cannot be performed in time, so that the passenger flow management and control effect is seriously affected.
Disclosure of Invention
Aiming at the defects of the existing station room passenger flow management and control mode, the invention provides a station room passenger flow management and control system and a management and control method based on an intelligent isolation fence, which are used for adjusting passenger flow routes suitable for limited spaces such as subway station rooms, channels and the like in due time based on passenger flow data; the intelligent isolation fence capable of acquiring self position information by utilizing UWB and other indoor positioning designs is arranged, and the intelligent isolation fence is manually placed and the passenger flow line is monitored in real time according to a planned passenger flow line design scheme, so that the passenger flow management and control efficiency is improved, and the problem of safety pressure caused by overhigh passenger flow density is solved.
The invention provides a station room passenger flow management and control system based on an intelligent isolation fence, which comprises the intelligent isolation fence, a plurality of UWB base stations and a passenger flow management and control terminal;
each intelligent isolation fence is provided with a microcontroller based on a UWB electronic tag and used for sending a UWB pulse signal for positioning to a UWB base station; the intelligent isolation fences are distributed along the passable area to form a passing route;
the plurality of UWB base stations are distributed at different positions of a station hall, receive the UWB pulse signals and send the UWB pulse signals to a passenger flow management and control terminal;
the passenger flow management and control terminal determines the position of each intelligent isolation fence based on the time difference of the UWB pulse signals reaching different UWB base stations; setting a corresponding model of the passenger flow volume and the passenger flow dispersion route, counting the passenger flow volume in the current operation period, determining the corresponding passenger flow dispersion route, and generating a moving mode for adjusting the arrangement of the intelligent isolation fence to obtain the corresponding passenger flow dispersion route.
Further, the corresponding model of the passenger flow volume and the passenger flow dispersion route comprises a normal mode, an overrun mode, a pre-alarm mode, an orange alarm mode and a red alarm mode which are sequentially divided into the passenger flow volume from small to large; and setting a corresponding passenger flow dispersion route for each mode.
Furthermore, each intelligent isolation fence comprises a hard isolation fence and a soft isolation fence, wherein the hard isolation fence is used for isolating opposite pedestrian flows, and the soft isolation fence is used for isolating equidirectional pedestrian flows.
Furthermore, the intelligent isolation fence can be controlled by the passenger flow management and control terminal to release isolation, so that rapid passing is realized.
Furthermore, the intelligent isolation fence also comprises a base, an upright post, a hydraulic rod driving motor, a plurality of isolation rods and a plurality of electric hydraulic rods;
the base is used for supporting the upright post;
a plurality of isolating rods are arranged on the upright post, one end of each isolating rod is connected to the upright post, and an electric hydraulic rod is arranged between each isolating rod and the upright post;
the micro controller based on the UWB electronic tag receives a control signal sent by the passenger flow management and control terminal and controls the hydraulic rod driving motor to drive the electric hydraulic rod to compress or stretch based on the control instruction; when the electric hydraulic rod is compressed, the isolating rod sags and retracts, and when the electric hydraulic rod is stretched, the isolating rod is driven to be in a horizontal opening state.
Further, still including rotating the motor and being used for the drive the stand is rotatory around its axis, the controller still receives the rotation command that the host computer sent, controls the rotating electrical machines drive the stand rotates around its axis.
Furthermore, the intelligent isolation fence also comprises a base, a stand column, a convex block, a telescopic belt and an electromagnet;
the base is used for supporting the upright post;
a plurality of lugs are arranged on the upper part of the upright post along the circumferential direction;
one end of the telescopic belt is fixed to the upright post, the other end of the telescopic belt is provided with a buckle, the buckle is matched with the lug, and the telescopic belt of one isolation fence is fixed to the lug of the other isolation fence through the buckle to realize cascade connection of the isolation fences;
the electromagnet is controlled by the microcontroller based on the UWB electronic tag to move after being electrified, the buckle is driven to be separated from the bump, and unlocking between the two isolation fences is achieved.
Furthermore, the telescopic band is an elastic band, the elastic band retracts and winds to the inside of the stand column under the action of elastic force after unlocking, and the buckle is exposed outside the stand column. Preferably, the electromagnet is a direct current push-pull electromagnet and vertically moves upwards, and a sliding rod of the electromagnet is arranged on the outer side below the bump and corresponds to the position of the electromagnet after being connected with the buckle.
The invention also provides a method for station room passenger flow management and control by using the station room passenger flow management and control system based on the intelligent isolation fence, which comprises the following steps:
acquiring real-time passenger flow volume, predicting the passenger flow volume, and displaying the real-time passenger flow volume and the variation trend on a management and control terminal;
generating a corresponding passenger flow dispersion route according to the passenger flow volume;
generating a moving mode of the corresponding passenger flow dispersion route according to the passenger flow dispersion route and the current position of each intelligent isolation fence;
moving the intelligent isolation fence according to the moving mode;
and monitoring whether the intelligent isolation fence is put in place.
Furthermore, the intelligent isolation fence can be controlled by the passenger flow management and control terminal to remove isolation, and when an emergency occurs, the passenger flow management and control terminal controls the intelligent isolation fence to remove isolation, so that rapid passing is realized.
Compared with the prior art, the invention has the following effective effects:
(1) aiming at the problem of passenger flow management and control, the traditional solution focuses on searching for measures and methods for dredging passenger flow from service facilities such as escalators, pedestrian stairs, ticket selling and checking windows and the like and large passenger flow angles at a screen door, and cannot fundamentally solve the problems of large base number of people and crowding of personnel in a station hall.
(2) The invention utilizes the UWB positioning technology to apply the UWB technology to the intelligent isolation barriers by utilizing the advantages of high positioning precision, strong penetrating power, high safety, low complexity and high stability of the UWB positioning technology, realizes the indoor positioning of each intelligent isolation barrier, and monitors the position of each intelligent isolation barrier, thereby realizing the intelligent management and control of the passenger flow of the station hall.
(3) The intelligent isolation fence can automatically remove isolation under the control of the passenger flow management and control terminal, and when an emergency occurs, the passenger flow management and control terminal controls the intelligent isolation fence to remove isolation, so that rapid passing is realized.
(4) The passenger flow management and control terminal automatically generates the passenger flow dispersion route based on the current passenger flow, generates and displays a new arrangement mode based on the current arrangement mode of the intelligent isolation fence, and is convenient for operators to operate.
Drawings
FIG. 1 is a schematic diagram of a station hall traffic management and control system;
FIG. 2 is a type A intelligent isolation fence;
FIG. 3 is a schematic diagram of a retracted state of a type B intelligent isolation fence;
FIG. 4 is a schematic diagram of the extended state of the type B intelligent isolation fence;
FIG. 5 is a schematic view of the connection state of the C-type intelligent isolation fence;
FIG. 6 is a schematic view of the C-shaped intelligent isolation fence expansion buckle in a fastened state;
FIG. 7 is a schematic diagram of the pop-up state of the C-type intelligent isolation fence telescopic belt;
FIG. 8 is a flow chart of a station hall traffic management system;
fig. 9 is a diagram of UWB base station placement within a cell hall in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The invention provides a station room passenger flow management and control system based on an intelligent isolation fence, which is combined with a figure 1 and comprises the intelligent isolation fence, a plurality of UWB base stations and a passenger flow management and control terminal;
each intelligent isolation fence is provided with a microcontroller based on a UWB electronic tag and used for sending a UWB pulse signal for positioning to a UWB base station; the intelligent isolation fences are distributed along the passable area to form a passing route; the intelligent isolation fence can be controlled by the passenger flow management and control terminal to release isolation, and rapid passing is achieved.
The plurality of UWB base stations are distributed at different positions of the station hall, receive the UWB pulse signals and send the UWB pulse signals to the passenger flow management and control terminal.
The passenger flow management and control terminal determines and displays the position of each intelligent isolation fence based on the time difference of the UWB pulse signals reaching different UWB base stations; setting a corresponding model of the passenger flow volume and the passenger flow dispersion route, counting the passenger flow volume in the current operation period, determining the corresponding passenger flow dispersion route, generating and adjusting the arrangement mode of the intelligent isolation fence, obtaining the moving mode of the corresponding passenger flow dispersion route and displaying the moving mode.
Currently, the main indoor positioning technologies include an ultrasonic indoor positioning technology, an RFID radio frequency indoor positioning technology, a bluetooth indoor positioning technology, a WIFI indoor positioning technology, a ZigBee indoor positioning technology, an Ultra-Wideband (UWB) positioning technology, and the like. Under different application scenarios, the competitive power of the positioning technologies is determined by comprehensive factors such as positioning accuracy and cost. From the practical perspective of technical maturity and large-scale application, the positioning technology based on the ultra-wideband is the indoor seamless positioning technology means with the most development potential in the future. The UWB technology is a carrier-free communication technology for transmitting data at high speed, the transmission speed can reach more than 1000Mbps, the ultra-narrow pulse is used for transmitting data, so that the communication bandwidth is enlarged, the UWB technology has the advantages of high positioning precision and good multipath resistance, and an accurate positioning result can be obtained particularly in the field of indoor positioning.
The design of the intelligent isolation fence adopts an indoor space positioning technology, the position and state information of the isolation fence can be obtained in real time, the opening and closing state of the isolation fence is controlled, so that the isolation fence can be accurately positioned and controlled when passenger flow is dredged, and the intelligent control of the isolation fence is a key device and technology which are not provided in the conventional passenger flow control scheme. Regarding the selection of the intelligent isolation fence positioning and communication technology, table 1 compares several commonly used positioning technologies at present, such as an ultrasonic indoor positioning technology, an RFID radio frequency indoor positioning technology, a bluetooth indoor positioning technology, a WIFI indoor positioning technology, a ZigBee indoor positioning technology, and the like. Under different application scenarios, the competitive power of the positioning technologies is determined by comprehensive factors such as positioning accuracy and cost. From the practical perspective of technical maturity and large-scale application, the positioning technology based on ultra-wideband (UWB) is the indoor seamless positioning technology means with the most development potential in the future. Several common positioning technologies are compared in the aspects of positioning accuracy, advantages and disadvantages, application range and the like, and the advantages of the UWB positioning technology are obvious. The UWB indoor positioning technology is adopted, compared with the traditional positioning technology, the UWB indoor positioning technology has great superiority, but one or more schemes listed in the table 1 should be selected according to specific scenes and requirements in the specific implementation process, as long as the positioning requirements on the isolation belt can be met.
TABLE 1 comparison of several positioning techniques
The passenger flow management and control system of the intelligent isolation fence can be applied to indoor environments such as station halls and channels and can meet the requirement of outdoor arrangement. The system mainly realizes five functions, namely early warning and alarm processing of different levels are realized according to passenger flow data; secondly, a microcontroller based on a UWB electronic tag is installed on the isolation fence to realize the positioning and state perception of the intelligent isolation fence; thirdly, the placement position of the intelligent isolation fence is adjusted according to the passenger flow, passenger flow lines are reasonably arranged, the danger of crowding and trampling caused by overhigh passenger flow density is prevented, the passenger flow is separated according to reasonable flow line design, and passenger flow conflict is prevented; fourthly, when an emergency such as a fire hazard accident occurs, the intelligent isolation fence can automatically recover the isolation belt after receiving a recovery instruction, so that the requirement of rapid evacuation of passengers is met; fifthly, the passenger flow situation is mastered in real time, the centralized management and control of the passenger flow are realized, and the safety and the order of the passenger flow organization are ensured.
In one embodiment, in order to adjust the position of the isolation fence in time to achieve the purpose of managing and controlling the passenger flow, the passenger flow state in the future 30 minutes needs to be grasped and predicted in real time. And when the local passenger flow density is predicted to exceed a certain threshold value, giving an alarm, wherein the alarm level is normal, overrun, pre-alarm, orange alarm and red alarm. The passenger flow dispersion route is set for different passenger flow conditions, and the aim of effectively dispersing the passenger flow is achieved by adjusting the placing position of the intelligent isolation fence.
In order to meet different passenger flow dispersion requirements, the invention designs three different types of intelligent barriers, namely type A, type B and type C.
A type fixed hard intelligent isolation fence is an intelligent isolation fence based on a UWB electronic tag microcontroller. The micro-controller based on the UWB electronic tag is short in charging time and high in cruising ability, can be continuously used for 4-6 months under the condition of 5000mA of the lithium battery, obtains the electric quantity condition of the battery in real time through a passenger flow management and control terminal system, has a low-electric-quantity reminding function, and can be repeatedly used after the replaced battery is charged when the electric quantity is lower than a certain value. When the intelligent isolation fence is installed, the microcontrollers based on the UWB electronic tags are vertically fixed on the intelligent isolation fence, the joints are reinforced by adopting non-conductor firmware, and in addition, a protective cover is installed for each microcontroller in a matched mode. Fig. 2 is a design plan view of an a-type fixed hard intelligent isolation fence with a UWB positioning function, wherein two microcontrollers based on UWB electronic tags are respectively installed at the left and right parts of the isolation fence.
The B-type hard intelligent isolation fence is an intelligent isolation fence which realizes an isolation function based on the combined action of a UWB electronic tag microcontroller and an electric hydraulic rod. The device is mainly characterized in that the hard isolation rod on the isolation fence can automatically extend out or retract, the base is movably connected with the vertical rod, the device has an automatic rotation function, and the direction of the hard isolation rod can be conveniently adjusted to switch different passenger flow dispersion management and control routes. For type B intelligent isolation barriers, the charging and endurance efficacies of a microcontroller based on a UWB electronic tag are the same as those of type A isolation barriers. Fig. 3-4 are schematic diagrams of B-type intelligent isolated column with UWB positioning function, wherein the core working elements are an electro-hydraulic rod and a microcontroller based on UWB electronic tags. Including base 1, stand 2, hydraulic stem driving motor 5, a plurality of isolation rod 3, a plurality of electronic hydraulic stem 4, based on UWB electronic tags's microcontroller 6 and rotation motor 7. The upright post is provided with a plurality of isolating rods, one end of each isolating rod is connected to the upright post, and an electric hydraulic rod is arranged between the upright posts. In one embodiment the spacer rods are two, the electro-hydraulic rods are two, and the spacer rods are positioned 180 ° from each other after horizontal opening. The number of the isolation rods is set according to the requirement, and the isolation rods can be 1, and also can be 4, which are symmetrically arranged at an angle of 90 degrees. The isolation rod is a hard isolation rod, and the length of the isolation rod is 80-200 cm. The hydraulic rod driving motor drives the electric hydraulic rod to compress or stretch; when the electric hydraulic rod is compressed, the isolating rod sags and retracts, and when the electric hydraulic rod is stretched, the isolating rod is driven to be in a horizontal opening state, so that an isolating function is realized. The connection between the electric hydraulic rod and the upright post and between the electric hydraulic rod and the isolating rod are rotatable round buttons and are connected through bearings, and the purpose of the design is that when the electric hydraulic rod is stretched, the hard isolating rod is enabled to realize corresponding mechanical action through the connection of the rotatable round buttons.
The microcontroller 6 of the electronic tag continuously transmits data frames with repetition of UWB pulses, these UWB bursts being received by the positioning base station. Each base station measures the time of a data frame of each microcontroller based on a UWB electronic tag to reach a receiver antenna by using a high-sensitivity short pulse detector, the passenger flow management and control terminal refers to calibration data sent by the microcontroller, the time difference of the microcontroller reaching different positioning base stations is determined, the position of the microcontroller is calculated, namely the position of the intelligent isolation fence is found, and therefore the positioning of the intelligent isolation fence is achieved. A microcontroller 6 of the electronic tag receives the control signal sent by the passenger flow management and control terminal, and controls the hydraulic rod driving motor to drive the electric hydraulic rod to compress or stretch based on the control instruction; when the electric hydraulic rod is compressed, the isolating rod sags and retracts, and when the electric hydraulic rod is stretched, the isolating rod is driven to be in a horizontal opening state. And receiving a rotation instruction sent by an upper computer, and controlling a rotating motor to drive the upright post to rotate around the axis of the upright post.
The hydraulic rod driving motor drives the electric hydraulic rod to compress or stretch; when the electric hydraulic rod is compressed, the isolating rod sags and retracts, and when the electric hydraulic rod is stretched, the isolating rod is driven to be in a horizontal opening state. All the electric hydraulic rods can be driven by one motor, and each electric hydraulic rod can also correspond to the driving motor respectively, so that each isolating rod can be controlled independently.
Preferably, a manual switch is further arranged and used for manually controlling the hydraulic rod driving motor to drive the electric hydraulic rod to compress or stretch.
The hard isolation rod on the B-type intelligent isolation fence can automatically extend out or retract, the base is movably connected with the vertical rod, an automatic rotating function is achieved, and the direction of the hard isolation rod is convenient to adjust so as to switch different passenger flow dispersion management and control routes. In addition, under emergency, such as fire alarm or terrorist attack, the electric hydraulic rod can be quickly restored to a compressed state through the instruction sent by the passenger flow management and control terminal, the hard isolation rod is retracted, the isolation function of the isolation fence is removed, and passengers can be evacuated in the shortest time. When the passenger flow management and control route needs to be changed under some special conditions, the direction of the hard isolation rod can be changed by rotating the vertical rod, so that different management and control routes can be adjusted to meet the requirements of the conditions. Since the isolation fence usually needs to be folded only in emergencies or special cases, the required power supply times are very few, and the power consumption is not needed in general cases, so the overall power consumption is low.
The C-type intelligent isolation fence is an intelligent isolation fence which realizes the isolation effect by utilizing the combined action of a microcontroller based on a UWB electronic tag and a direct-current push-pull electromagnet.
With reference to fig. 5, the device comprises a base 2-1, a column 2-2, a bump 2-3, a telescopic belt 2-4, an electromagnet 2-5 and a microcontroller 2-6 based on a UWB electronic tag;
the base 2-1 is used for supporting the upright post 2-2; the base may be a disc, rectangular block, or the like, providing stable support for the upright 2.
A plurality of lugs 2-3 are arranged on the upper part of the upright post 2-2 along the circumferential direction; the lug is provided with a slide rail, the buckle is provided with a slide groove, and the slide groove is vertically inserted and positioned along the slide rail. In one embodiment, the number of the lugs is 4, and the lugs are evenly distributed along the circumferential direction of the upright column.
One end of the telescopic belt is fixed to the upright post, the other end of the telescopic belt is provided with a buckle, the buckle is matched with the lug, and the telescopic belt of one isolation fence is fixed to the lug of the other isolation fence through the buckle to realize cascade connection of the isolation fences; the telescopic band is an elastic band, the elastic band retracts and winds to the inside of the stand column under the action of elastic force after unlocking, and the buckle is exposed outside the stand column.
The electromagnet moves up and down after being electrified to drive the buckle to be separated from the convex block, so that unlocking between the two isolation fences is realized. With reference to fig. 6-7, in one embodiment, the electromagnet is a dc push-pull electromagnet, and moves vertically upward, and is disposed below and outside the protrusion, and corresponds to the position of the buckle after connection.
And the micro controllers 2 to 6 based on the UWB electronic tags receive the control signals sent by the passenger flow management and control terminal and control the electromagnet to move after being electrified based on the control instructions.
Furthermore, a manual switch can be arranged for manually controlling the electromagnet to move up and down.
If the isolation fence is in a working state of isolating passenger flow, the convex block of the other isolation fence is vertically inserted downwards through the buckle of the telescopic belt, and at the moment, two adjacent isolation fences are connected through the telescopic belt to play a role in isolating passenger flow; when the isolation function of the isolation fence needs to be released, the buckle of the telescopic belt needs to be separated from the convex block, and the telescopic belt is in a retraction state. The telescopic band is fixedly connected with the buckle, the buckle can be vertically downwards inserted into one of the 4 lugs in different directions at the top of the isolation fence, and the buckle and the direct-current push-pull electromagnet are designed to meet the requirement that after the buckle is inserted, the slide rod of the push-pull electromagnet can push the buckle out of the lug after moving, so that the buckle is separated from the vertical rod.
The telescopic belt of the C-type intelligent isolation fence has the function of automatic retraction, and when emergency accidents such as fire alarm or terrorist events occur, the telescopic belt can be retracted quickly through instructions sent by the passenger flow management and control terminal, so that passengers can be evacuated in the shortest time, and the C-type intelligent isolation fence is the most quick and effective measure for dealing with the emergency safety accidents. In addition, like B type isolated column, the telescopic band shrink function of C type intelligence isolated column is only used for taking place emergency accident under, and is extremely low at the actual use frequency, and the electro-magnet only gets electric work when needing urgent evacuation, need not consume the electric quantity at ordinary times, can satisfy the power supply demand of microcontroller and direct current plug-type electro-magnet based on UWB electronic tags, and power consumption is lower. For the C-type intelligent isolation fence, the charging and endurance effects of the microcontroller based on the UWB electronic tag are the same as those of the A-type isolation fence.
The A-type isolation fence belongs to a fixed type hard isolation fence, and is used for dredging routes with large range and longer communication area due to the characteristics of large volume, heavy weight and difficulty in moving, and is particularly suitable for occasions where the dredging routes are not easy to change. The B-type and C-type isolation fences belong to adjustable isolation fences, and the adjustable isolation fences are suitable for the inlet and outlet of a dredging route by virtue of the advantages of strong flexibility, small volume, easy movement and easy extension, and can also be used at the curve part of a transfer line to achieve the purpose of flexibly changing the curve route. In addition, considering emergency, the adjustable intelligent isolation fence can automatically shrink the isolation belt or retract the isolation fence, so that the requirement of rapid evacuation of passengers is met.
Aiming at the positioning of the intelligent isolation fence, the invention transmits the position data to the passenger flow management and control terminal through the MQTT protocol by installing a plurality of UWB base stations, and the system carries out comprehensive calculation according to the information of each base station and finally displays the result on the terminal again. And (4) the staff logs in the passenger flow management and control terminal, and the position of the established UWB base station can be found in the plan view of the subway station hall. A microcontroller based on UWB electronic tags, installed in the intelligent isolation barrier, transmits data frames continuously with UWB pulse repetition, and these UWB pulse trains are received by the positioning base station. And then, each base station measures the time of a data frame of each microcontroller based on the UWB electronic tags to reach a receiver antenna by using a high-sensitivity short pulse detector, the passenger flow management and control terminal refers to calibration data sent by the microcontroller, determines the time difference between the microcontroller and different positioning base stations, and calculates the position of the microcontroller, namely the position of the intelligent isolation fence is found, so that the positioning of the intelligent isolation fence is realized. The positioning of a complete intelligent isolation fence based on the UWB technology comprises a microcontroller based on a UWB electronic tag, a UWB base station and a passenger flow management and control terminal. Fig. 1 is a schematic diagram of UWB indoor positioning. Fig. 9 is a simplified plan view of a layout of UWB base stations designed with reference to subway stations.
In another aspect, the present invention provides a method for performing station hall traffic control by using the station hall traffic control system based on an intelligent isolation fence, which, with reference to fig. 8, includes:
s100, obtaining real-time passenger flow and predicting passenger flow, displaying real-time passenger flow conditions and change trends on a control terminal, and guiding a station attendant to control station passenger flow.
Obtaining the predicted passenger flow volume, and generating a corresponding passenger flow dispersion route according to the corresponding threshold section of the predicted passenger flow volume; the prediction time period can be customized, such as 5 minutes, 10 minutes, 15 minutes, 30 minutes, 45 minutes, 60 minutes, and the like. The mode of obtaining the passenger flow volume can be direct input, or the passenger flow volume calculated based on the station hall entrance and exit volume and historical data, or a passenger flow volume prediction model can be established to predict the passenger flow volume in a period of time in the future. The predictive model may be constructed from historical contemporaneous data.
Specifically, the passenger flow prediction model can predict the change trend of the passenger flow by acquiring the real-time passenger flow of the entrance and exit station, the passenger flow to be entered into the station room, the synchronous historical passenger flow data and the like, and weighting the change trends of the real-time passenger flow, the passenger flow to be entered into the station room and the historical passenger flow.
The real-time passenger flow volume of the station can obtain data of card swiping, code scanning and the station entering and exiting through an interface; the real-time passenger flow volume of getting on and off the train at the platform can be counted in real time through the cameras of the station hall and the carriage; the real-time passenger flow volume for the transfer station to transfer in and out can be counted in real time through a key transfer channel camera; passenger flow volume to be checked in the station hall can be subjected to passenger flow real-time statistics on passengers outside a station hall payment area through information sources such as WIFI (wireless fidelity), mobile phone signaling and cameras; the contemporaneous historical passenger flow data is obtained from the ACC through the interface.
The variation trend of the incoming and outgoing passenger flow can be weighted by the waiting incoming passenger flow in the station hall and the variation of the historical incoming and outgoing passenger flow in the same period; the passenger flow change trend of getting on and off the train on the platform can obtain the arrival and departure time of the train through a train schedule, and the weighting statistics is carried out by combining the historical data of the passenger flow of getting on and off the train on the platform in the same time period; the change trend of the transfer station transfer-in and transfer-out passenger flow volume can acquire the arrival and departure time of the trains in all directions through the train timetable of each transfer line, and the passenger flow is weighted and counted by combining the historical data of the passenger flow of the train on and off the platform and the transfer-in and transfer-out proportion in the same time period.
S200, generating a moving mode of the corresponding passenger flow dispersion route according to the passenger flow dispersion route and the current position of each intelligent isolation fence; in one embodiment, the corresponding model of the passenger flow volume and the passenger flow dispersion route comprises the steps of dividing the passenger flow volume into a plurality of sections according to a threshold value, and sequentially dividing the sections into a normal mode, an overrun mode, a pre-alarm mode, an orange alarm mode and a red alarm mode from small to large; and setting a corresponding passenger flow dispersion route for each mode according to the station type. In another embodiment, a corresponding model of the predicted passenger flow volume and the passenger flow dispersion route is established, the predicted passenger flow volume is divided into a plurality of sections according to a threshold value, and the corresponding passenger flow dispersion route is set for each mode.
S300, moving the intelligent isolation fence according to the moving mode; and manually moving the intelligent isolation fence according to the moving mode displayed by the passenger flow management and control terminal. The moving mode is an optimization scheme that the moving times of the intelligent isolation fence are minimum or the moving distance is shortest. The movement pattern may be sent to a real-time graphical display on the operator's cell phone. And numbering each intelligent isolation fence, displaying the position and the number of each intelligent isolation fence, and enabling an operator to observe whether the intelligent isolation fence is correctly moved or not and whether the intelligent isolation fence is moved in place or not.
S400, monitoring whether the intelligent isolation fence is placed in place, if so, finishing placement, and if not, continuing placement.
The intelligent isolation fence is placed on the planned dredging route, the position of the isolation fence is observed in real time at the passenger flow management and control terminal, and workers are effectively instructed to correctly place the intelligent isolation fence. After the placement is finished, visual evaluation and simulation can be carried out on the placement effect, the dispersion route is further perfected, the dispersion scheme is rapidly and accurately implemented, and the potential safety hazard problem caused by high passenger flow density is solved.
And S500, when an emergency occurs, the passenger flow management and control terminal controls the intelligent isolation barrier to remove isolation, so that rapid passing is realized.
When an emergency alarm command is received, the passenger flow management and control terminal sends out a command, and after the microcontroller receives the command, the sliding rod of the direct-current push-pull type electromagnet is driven to move upwards to enable the buckle of the soft telescopic belt on the C-shaped isolation fence to be separated from the upright post, the soft telescopic belt automatically rebounds to remove the isolation function, and the B-shaped isolation fence can retract the hard isolation rod to remove the isolation function, so that passengers can conveniently and quickly evacuate. The isolated column can open the median automatically and carry out quick dredging of passenger flow when emergency such as fire hazard takes place, solves the problem that the passenger flow can't be evacuated fast under the emergency that leads to because the passenger flow management and control of isolated column.
Aiming at the design of the placement position and the dispersion route of the intelligent isolation fence, after people count during the station entering and exiting and transfer, a corresponding passenger flow dispersion route is designed according to each alarm grade, and then the placement position of the intelligent isolation fence can be rapidly adjusted, so that the aim of rapidly and efficiently dispersing the passenger flow is fulfilled. Wherein, installed the microcontroller based on UWB electronic tags in the intelligence isolated column, conveniently observe the isolated column position in real time and put the condition on passenger flow management and control terminal, when needs change the route of dredging, the allotment staff changes isolated column connection order to change pedestrian's transfer route. According to signals transmitted by a microcontroller in the intelligent isolation fence, whether the intelligent isolation fence is placed in place or not is observed at the passenger flow management and control terminal, so that centralized scheduling adjustment is performed, and effective implementation of a dredging scheme is guaranteed.
And uploading data obtained by the position analysis server to a passenger flow management and control terminal aiming at passenger flow management and control and centralized monitoring, wherein the platform comprises a two-dimensional view and a panoramic view of the subway station hall, real-time display of alarm management, video linkage, historical track playback and the like. The positions of a microcontroller and a receiving module based on a UWB electronic tag are added in the two-dimensional view and the panoramic view; the alarm management comprises passenger flow volume statistics and corresponding alarm levels in the current operation period, the most visual data representation of the position arrangement of the intelligent isolation fence is changed, and when an emergency such as fire alarm occurs, a passenger flow management and control terminal sends out an instruction to withdraw the telescopic belt of the B-type intelligent isolation fence and the isolation rod of the C-type intelligent isolation fence, so that passengers can withdraw the intelligent isolation fence quickly; the video linkage and historical track playback store the import and export passenger flow videos and the passenger flow videos passing through the isolation fence during transfer.
The intelligent isolation fence is applied to the following four aspects: the system is used for limiting the flow during large passenger flow, so that safety accidents in stations with small areas and areas with high passenger flow density of channels are avoided; secondly, the method is applied to reasonable streamline setting and passenger flow separation; when fire alarm and the like occur and emergency evacuation is needed, the intelligent isolation fence can automatically retract the isolation belt or the isolation rod to meet the requirement of rapid evacuation of passengers; fourthly, the indoor environment that can extensively be applied to station room, passageway etc. also satisfies outdoor arrangement and needs simultaneously. The system closely combines the indoor positioning technology with the functions of the isolation fence, solves the problems of dense passenger flow and crowded transfer roads of station rooms such as subways and high-speed railways, and is an innovative invention in the current passenger flow management and control system.
In summary, the present invention provides a station hall traffic management and control system and a management and control method based on an intelligent isolation fence, where the station hall traffic management and control system includes an intelligent isolation fence, a plurality of UWB base stations, and a traffic management and control terminal; each intelligent isolation fence is provided with a microcontroller based on a UWB electronic tag and used for sending a UWB pulse signal for positioning to a UWB base station; the intelligent isolation fences are distributed along the passable area to form a passing route; the plurality of UWB base stations are distributed at different positions of a station hall, receive the UWB pulse signals and send the UWB pulse signals to a passenger flow management and control terminal; the passenger flow management and control terminal determines the position of each intelligent isolation fence based on the time difference of the UWB pulse signals reaching different UWB base stations; setting a corresponding model of the passenger flow volume and the passenger flow dispersion route, counting the passenger flow volume in the current operation period, determining the corresponding passenger flow dispersion route, generating a distribution mode for adjusting the intelligent isolation fence and obtaining a moving mode of the corresponding passenger flow dispersion route. Under the support of the passenger flow management and control system, the traditional mode of manually determining the evacuation route by using experience is changed, and the intelligent passenger room passenger flow management and control system taking reliable real-time data and intelligent hardware equipment as supports is formed. The invention comprehensively considers factors such as development cost, technical feasibility, implementation effect and the like, designs an intelligent isolation fence, and provides a passenger flow management and control system based on the intelligent isolation fence.
It is to be understood that the specific embodiments of the present invention are merely illustrative of or illustrative of the principles of the present invention and that no limitations are intended to the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A station room passenger flow management and control system based on an intelligent isolation fence is characterized by comprising the intelligent isolation fence, a plurality of UWB base stations and a passenger flow management and control terminal;
each intelligent isolation fence is provided with a microcontroller based on a UWB electronic tag and used for sending a UWB pulse signal for positioning to a UWB base station; the intelligent isolation fences are distributed along the passable area to form a passing route;
the plurality of UWB base stations are distributed at different positions of a station hall, receive the UWB pulse signals and send the UWB pulse signals to a passenger flow management and control terminal;
the passenger flow management and control terminal determines the position of each intelligent isolation fence based on the time difference of the UWB pulse signals reaching different UWB base stations; setting a corresponding model of the passenger flow volume and the passenger flow dispersion route, counting the passenger flow volume in the current operation period, determining the corresponding passenger flow dispersion route, and generating a moving mode for adjusting the arrangement of the intelligent isolation fence to obtain the corresponding passenger flow dispersion route.
2. The intelligent isolated column-based station room passenger flow management and control system as claimed in claim 1, wherein the corresponding models of the passenger flow volume and the passenger flow dispersion route include the steps of dividing the passenger flow volume into normal, overrun, pre-alarm, orange alarm and red alarm modes in order from small to large; and setting a corresponding passenger flow dispersion route for each mode.
3. The intelligent isolation fence-based station hall traffic management and control system according to claim 1 or 2, wherein each intelligent isolation fence comprises a hard isolation fence and a soft isolation fence, the hard isolation fence is used for isolating opposite people flows, and the soft isolation fence is used for isolating same-direction people flows.
4. The intelligent isolation fence-based station room passenger flow management and control system as claimed in claim 1 or 2, wherein the intelligent isolation fence can release isolation under the control of the passenger flow management and control terminal to realize fast traffic.
5. The intelligent isolation fence-based station hall traffic management and control system according to claim 4, wherein the intelligent isolation fence further comprises a base, a column, a hydraulic rod driving motor, a plurality of isolation rods and a plurality of electric hydraulic rods;
the base is used for supporting the upright post;
a plurality of isolating rods are arranged on the upright post, one end of each isolating rod is connected to the upright post, and an electric hydraulic rod is arranged between each isolating rod and the upright post;
the micro controller based on the UWB electronic tag receives a control signal sent by the passenger flow management and control terminal and controls the hydraulic rod driving motor to drive the electric hydraulic rod to compress or stretch based on the control instruction; when the electric hydraulic rod is compressed, the isolating rod sags and retracts, and when the electric hydraulic rod is stretched, the isolating rod is driven to be in a horizontal opening state.
6. The intelligent isolation fence-based station hall passenger flow management and control system of claim 5, further comprising a rotating motor for driving the upright post to rotate around the axis thereof, wherein the controller further receives a rotating command sent by the upper computer and controls the rotating motor to drive the upright post to rotate around the axis thereof.
7. The intelligent isolation fence-based station room traffic management and control system according to claim 4, wherein the intelligent isolation fence further comprises a base, a column, a bump, a telescopic belt and an electromagnet;
the base is used for supporting the upright post;
a plurality of lugs are arranged on the upper part of the upright post along the circumferential direction;
one end of the telescopic belt is fixed to the upright post, the other end of the telescopic belt is provided with a buckle, the buckle is matched with the lug, and the telescopic belt of one isolation fence is fixed to the lug of the other isolation fence through the buckle to realize cascade connection of the isolation fences;
the electromagnet is controlled by the microcontroller based on the UWB electronic tag to move after being electrified, the buckle is driven to be separated from the bump, and unlocking between the two isolation fences is achieved.
8. The intelligent isolation fence-based station hall traffic management and control system of claim 7, wherein the elastic band is an elastic band, the elastic band retracts and winds to the inside of the upright post under the action of elasticity after unlocking, and the buckle is exposed outside the upright post. Preferably, the electromagnet is a direct current push-pull electromagnet and vertically moves upwards, and a sliding rod of the electromagnet is arranged on the outer side below the bump and corresponds to the position of the electromagnet after being connected with the buckle.
9. A method for station hall passenger flow management and control by using the intelligent isolation fence-based station hall passenger flow management and control system of claims 1-8, comprising:
acquiring real-time passenger flow volume, predicting the passenger flow volume, and displaying the real-time passenger flow volume and the variation trend on a management and control terminal;
generating a corresponding passenger flow dispersion route according to the predicted passenger flow volume;
generating a moving mode of the corresponding passenger flow dispersion route according to the passenger flow dispersion route and the current position of each intelligent isolation fence;
moving the intelligent isolation fence according to the moving mode;
and monitoring whether the intelligent isolation fence is put in place.
10. The method as claimed in claim 9, wherein the intelligent isolation fence can be isolated under the control of the passenger flow management and control terminal, and when an emergency occurs, the passenger flow management and control terminal controls the intelligent isolation fence to be isolated, so as to realize fast traffic.
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Effective date of registration: 20231213 Address after: No. 1-183, Xinggu B, Pinggu Park, Zhongguancun Science and Technology Park, Pinggu District, Beijing, 101200 Patentee after: BEIJING YILU TRACK TRAFFIC ENGINEERING Co.,Ltd. Address before: 100029, No. 15 East Third Ring Road, Chaoyang District, Beijing Patentee before: BEIJING University OF CHEMICAL TECHNOLOGY |