CN215575649U

CN215575649U - Railway platform clearance foreign matter detecting system

Info

Publication number: CN215575649U
Application number: CN202121321080.2U
Authority: CN
Inventors: 李立平
Original assignee: Guangdong Zhitong Ruixin Intelligent Technology Co ltd
Current assignee: Guangdong Zhitong Ruixin Intelligent Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-01-18
Anticipated expiration: 2031-06-11

Abstract

The utility model relates to the technical field of railway safety detection, in particular to a railway platform gap foreign matter detection system which comprises a plurality of detection cabinets arranged oppositely in pairs between a platform safety door and a carriage, wherein the detection cabinets are arranged on the platform safety door and are provided with radar detection units and camera detection units, and a central control machine is arranged on the platform safety door and is respectively connected with the radar detection units and the camera detection units of the detection cabinets. The railway platform gap foreign matter detection system disclosed by the utility model can judge whether the passage gap between the platform safety shielding door and the carriage has the obstacle or not, can acquire and identify the position and the size of the obstacle in the passage gap in real time, greatly improves the detection accuracy, has the advantages of simple structure and strong practicability, and is worthy of popularization and use.

Description

Railway platform clearance foreign matter detecting system

Technical Field

The utility model relates to the technical field of railway safety detection, in particular to a railway platform gap foreign matter detection system.

Background

With the increase of the traffic volume and the passenger flow volume of intercity railways, the passing capacity and the safety protection capacity of part of passenger stations are gradually saturated, and the safety protection of passengers at platforms and trains is extremely urgent. In recent years, a safety shielding door system is installed on an intercity railway platform in succession, but due to the difference between the door opening positions of different vehicle types and the fixed safety shielding door of the platform, the passage gap between the platform safety shielding door and a carriage needs to be detected by technical means for detained passengers and large luggage, so that the personal safety of the passengers and the driving safety of the train can be ensured.

At present, a platform door gap detection system of the bead triangle inter-city train is used for laser correlation detection, a detection cabinet of the system adopts a movable folding detection arm form, the detection arm needs to be rotated and laid down during detection, and the detection is finished and folded and retracted. The main problems with such platform door gap detection systems include: 1. there is a detection blind area. The laser correlation is installed at fixed intervals, is limited by the installation conditions of the on-site cabinet body, and has a certain blind area on one side of the platform safety door; 2. the existing system cannot be linked with a video monitoring system, a platform passenger can only recheck by naked eyes, and errors are easy to occur at night particularly based on the limitation of the naked eyes; 3. the laser correlation can not give out specific obstacle directions, which is not beneficial to the judgment of platform passenger passengers; 4. the folding arms are easily deformed causing misorientation. The folding arm is directly rotated by the motor and is driven, and the blotter through the box stops moving, shows that the swing arm vibrations are big, very easily causes the laser correlation to be out of alignment, and the on-the-spot general reflection reliability is poor. Therefore, it is necessary to provide a solution to the above problems. Therefore, it is necessary to provide a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention provides a system for detecting foreign objects in a gap between railway platforms, which overcomes at least one of the above-mentioned drawbacks of the prior art.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a railway platform clearance foreign matter detecting system, includes two liang of relative arrangement and distributes a plurality of detection cabinet between platform emergency exit and carriage, the detection cabinet is installed on the platform emergency exit, and this detection cabinet is equipped with radar detecting element and the detecting element that makes a video recording, is equipped with the well accuse machine on the platform emergency exit and is connected with the radar detecting element and the detecting element that make a video recording of each detection cabinet respectively.

Furthermore, the camera detection unit is composed of at least two cameras, and the cameras are vertically arranged and distributed on the detection cabinet.

Furthermore, the camera adopts a long-focus lens, a short-focus lens or a zoom lens; the upper camera can adopt a long-focus lens, the lower camera can adopt a short-focus lens, the arrangement mode can generate multi-angle and omnibearing output video, the condition of missing detection is avoided, and the zoom lens can be adjusted according to the distance so as to effectively amplify the image, so that the detection accuracy of the visible light image is improved.

Further, the radar detection unit is a laser radar detector capable of adopting algorithm compensation; the algorithm compensation can avoid the interference of a platform safety door and window glass to the laser radar, and ensure the accuracy of detection; the laser radar adopts a 3D point cloud imaging and innovative non-repeated scanning mode, the field coverage rate is obviously improved along with the time lapse, and the probability of missing detection of foreign matters is obviously reduced.

Furthermore, the platform emergency exit interval distribution has the erection column, it fixes on the erection column to detect the cabinet through the connecting piece.

Furthermore, the central control machine comprises a display screen connected with the camera detection unit and a state display panel connected with the radar detection unit.

Furthermore, a plurality of state display lamps are distributed on the state display panel and are respectively and correspondingly connected with the radar detection units of the detection cabinets.

As a supplementary solution, the state display lamp is correspondingly connected with a radar detection unit.

As a supplementary solution, the plurality of status display lamps are correspondingly connected with one radar detection unit.

Furthermore, the central control machine is provided with a control switch which is respectively connected with the radar detection unit and the camera detection unit, and can respectively control the switch of the radar detection unit and the zoom range and the switch of the camera detection unit through a real-time control switch according to actual conditions.

Compared with the prior art, the technical scheme of the utility model has the beneficial effects that: the utility model adopts the radar detection unit and the camera detection unit as main detection modes, is not limited by the installation condition of the on-site cabinet body, greatly reduces the existence of blind areas and improves the detection accuracy. Whether the barrier exists in the channel gap between the platform safety shielding door and the carriage can be judged, the position and the size of the barrier in the channel gap can be collected and identified in real time, the platform passenger transport personnel can conveniently judge and timely handle emergency, the platform passenger transport personnel can also manually recheck the image collected by the camera shooting detection unit, errors caused by the rechecking with naked eyes are avoided, and the working efficiency of safety personnel is improved.

Drawings

Fig. 1 is an overall layout view of a railway platform gap foreign matter detection system of the present invention.

FIG. 2 is a schematic side view of the foreign object detection system for a gap between railway platforms according to the present invention.

Fig. 3 is a schematic structural diagram of the front side of the control machine in the utility model.

FIG. 4 is a schematic diagram of an embodiment of the system for detecting foreign objects in a gap between railway platforms according to the present invention.

In the figure, 1 is a platform security gate, 11 is a mounting post, 2 is a detection cabinet, 21 is a radar detection unit, 22 is a camera detection unit, 22a and 22b are cameras, 3 is a center control machine, 31 is a display panel, 31a is a status display lamp, 32 is a display screen, and 33 is a control switch.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 4, the railway platform gap foreign matter detection system comprises a plurality of detection cabinets 2 arranged in pairs between a platform safety door 1 and a carriage, wherein the detection cabinets 2 are installed on the platform safety door 1, mounting columns 11 are distributed on the platform safety door 1 at intervals, the detection cabinets 2 are fixed on the mounting columns 11 through connecting pieces,

as shown in fig. 1, 2 and 4, the detection cabinet 2 is provided with a radar detection unit 21 and a camera detection unit 22, and the platform security gate 1 is provided with a central control unit 3 connected to the radar detection unit 21 and the camera detection unit 22 of each detection cabinet 2. The camera detection unit 22 is composed of at least two

cameras

22a and 22b, and the two

cameras

22a and 22b are distributed on the detection cabinet in an upper and lower arrangement; the two

cameras

22a and 22b are long-focus lenses, short-focus lenses, or zoom lenses, respectively. And the radar detection unit 21 is a lidar detector capable of being compensated using an algorithm.

As shown in fig. 3, the central control machine 3 includes the state display panel 31 connected to the radar detection unit 21 and a display screen 32 connected to the camera detection unit 22, a plurality of state display lamps 31a are distributed on the state display panel 31, and the state display lamps 31a are respectively connected to the radar detection units 21 of the detection cabinets 2 one by one; the central control machine 3 is further provided with a control switch 33 which is respectively connected with the radar detection unit 21 and the camera detection unit 22.

As shown in fig. 3, the central control machine 3 includes the state display panel 31 connected to the radar detection unit 21 and a display screen 32 connected to the camera detection unit 22, a plurality of state display lamps 31a are distributed on the state display panel 31, and the state display lamp 31a is respectively connected to the plurality of radar detection units 21; the central control machine 3 is further provided with a control switch 33 which is respectively connected with the radar detection unit 21 and the camera detection unit 22.

When the passengers get on and off the train and the platform door is closed, the central control machine 3 receives the starting command and starts the radar detection unit 2 and the camera detection unit 3 to detect whether passengers are detained or obstacles exist in the channel gap between the platform door and the carriage. If the radar detection unit 2 does not detect a passenger stay or an obstacle, the status display lamp 31a displays a green lamp, and if the radar detection unit 2 detects a passenger stay or an obstacle, the status display lamp 31a displays a green lamp. The camera detection unit 3 transmits the real-time picture to the display screen 32, so that the working personnel can check the actual situation of the site in time.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a railway platform clearance foreign matter detection system, includes that two liang of looks oppositions distribute a plurality of between platform emergency exit (1) and carriage and detect cabinet (2), its characterized in that: the detection cabinet (2) is installed on the platform safety door (1), the detection cabinet (2) is provided with a radar detection unit (21) and a camera detection unit (22), and the platform safety door (1) is provided with a central control machine (3) which is respectively connected with the radar detection unit (21) and the camera detection unit (22) of each detection cabinet (2).

2. The railway platform gap foreign object detection system of claim 1, wherein: the camera detection unit (22) is composed of at least two cameras (22a, 22b), and the two cameras (22a, 22b) are distributed on the detection cabinet in an upper-lower arrangement mode.

3. The railway platform gap foreign object detection system of claim 2, wherein: the two cameras (22a, 22b) respectively adopt a long-focus lens, a short-focus lens or a zoom lens.

4. The railway platform gap foreign object detection system of claim 1, wherein: the radar detection unit (21) is a laser radar detector capable of adopting algorithm compensation.

5. The railway platform gap foreign object detection system of claim 1, wherein: platform emergency exit (1) interval distribution has erection column (11), detect cabinet (2) and fix on erection column (11) through the connecting piece.

6. The railway platform gap foreign object detection system of claim 1, wherein: the central control machine (3) comprises a state display panel (31) connected with the radar detection unit (21) and a display screen (32) connected with the camera detection unit (22).

7. The railway platform gap foreign object detection system of claim 6, wherein: a plurality of state display lamps (31a) are distributed on the state display panel (31), and the state display lamps (31a) are respectively and correspondingly connected with the radar detection units (21) of the detection cabinets (2).

8. The system according to claim 7, wherein: the state display lamp (31a) is correspondingly connected with a radar detection unit (21).

9. The system according to claim 7, wherein: the plurality of state display lamps (31a) are correspondingly connected with one radar detection unit (21).

10. The railway platform gap foreign object detection system of claim 6, wherein: the central control machine (3) is provided with a control switch (33) which is respectively connected with the radar detection unit (21) and the camera detection unit (22).