Railway bridge and culvert height limiting frame anti-collision alarm system device
Through multiple authentication protections using lidar, laser beam detectors, and vibration sensors, combined with a self-developed centralized core processor, the problems of cumbersome inspections and easy equipment damage in height restriction frame anti-collision systems have been solved, achieving efficient and safe height restriction frame protection and reducing operating costs and equipment damage risks.
Patent Information
- Application Number
- CN202422893444.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-26
AI Technical Summary
The existing elevated road anti-collision system is cumbersome to inspect and maintain, the equipment is easily damaged and there is a risk of secondary damage, and damage cannot be detected in time, which affects the safety and stability of bridge and culvert structures.
Employing multiple authentication and protection methods including lidar, laser beam detectors, and vibration sensors, combined with a self-developed centralized core processor, the system enables height detection and real-time monitoring of vehicles about to pass through height restriction barriers. It alerts drivers via LED displays and audible and visual alarms to prevent collisions.
It achieves efficient protection of height restriction barriers, reduces waste of manpower and material resources, improves equipment stability and safety, reduces transmission traffic costs, and avoids collisions caused by signal delays.
Smart Images

Figure CN223679725U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to railway bridge culvert height limit frame safety anti -collision technical field especially relates to a railway bridge culvert height limit frame anti -collision alarm system device. BACKGROUND
[0002] The current height limit frame does not take any anti -collision protection measure, cause height limit frame to be hit damaged after difficult to be discovered in the first time, its damage information can only be obtained through the periodic patrol or the local masses report mode. When the height limit frame is hit damaged, the staff needs to go to the accident scene and check, and according to the scene situation, it can be judged to determine whether to repair, so a large amount of time, manpower and material resources are wasted. And when the height limit frame is hit damaged, if not repaired in time, not only easy to cause secondary damage, also can influence the structure safety and stability of bridge culvert.
[0003] Through the retrieval, the Chinese utility model patent with patent publication number CN 220895037 U discloses a railway overpass height limiting protection frame overheight monitoring alarm system, including stand, support frame, sliding block, crossbeam, display screen, infrared probe head, camera, protection mechanism, photovoltaic panel and central processing unit, through the on -the -spot alarm prompt vehicle driver, the background monitoring system can also receive the alarm of overheight vehicle, carries out real -time monitoring on -the -spot, immediately carries out remote control to on -the -spot situation and makes accurate research and judgment, realizes the protection of height limiting protection frame, avoids the occurrence of traffic accident, in addition, the height limiting protection frame is set to separate type, after being hit, protection mechanism is used to protect crossbeam, to further improve the protection effect of height limiting protection frame. However, the patent has the following problems: first, the staff carries out periodic patrol repair or repair process is too tedious, needs to use ladder and crane equipment to carry out, and must close the road in the process of patrol repair and repair, long -term or multiple road closure repair can have certain negative influence to the daily travel of local people, can cause a large amount of time, manpower and material resources are wasted, second, the patent sets the height limiting protection frame to separate type, the height limiting protection frame is hit, and the crossbeam and the stand separate and fall to the ground, all the equipment will fall to the ground along with the crossbeam, although the crossbeam outside is equipped with protection mechanism, but due to the uncontrollable impact factor, and the crossbeam is from high place, easy to cause secondary injury to equipment or vehicle or pedestrian, there is certain danger. SUMMARY
[0004] To address the above problems, the present utility model provides an anti-collision alarm system device for railway bridge culvert height limiters, which is characterized by adopting multiple authentication protections of lidar, laser pair emission devices, and vibration sensors to detect whether the vehicles about to pass through the height limiters are overheight. Multiple authentications trigger signals one by one. When an overheight vehicle appears, the background monitoring system can immediately receive a warning message and conduct real-time monitoring of the scene. The staff can make accurate judgments based on the real-time monitoring situation on-site, and at the same time, they can operate the LED display screen to show reminder messages and operate the audible and visual alarm to emit an alarm reminder sound, so as to remind the driver of the overheight vehicle to stop or slow down, thereby protecting the height limiter and avoiding the occurrence of collision accidents.
[0005] To solve the above problems and achieve the above invention purpose, the anti-collision alarm system device for railway bridge culvert height limiters of the present utility model is realized by adopting the following design structure and the following technical solutions:
[0006] As an anti-collision alarm system device for railway bridge culvert height limiters of the present utility model, it includes:
[0007] A height limiter, which is installed at the front ends of the entrances and exits of railway bridge culverts;
[0008] An LED display screen, which is set and installed at the corner of the fence crossbeam of the height limiter and is electrically connected to the industrial control box;
[0009] Laser pair emission devices, with a total of two sets of equipment, which are symmetrically installed on the movable left and right columns of the height limiter in a mirror image and are electrically connected to the industrial control box;
[0010] A vibration sensor, which is set and installed at the middle position of the height limiter and is electrically connected to the industrial control box;
[0011] A power supply device, which is set at the side of the height limiter and is connected to the industrial control box through a cable;
[0012] An audible and visual alarm, which is set and installed at the corner of the height limiter and is electrically connected to the industrial control box;
[0013] A lidar, which is set and installed on the mounting frame of the laser pair emission device and is electrically connected to the industrial control box;
[0014] A centralized core processor, which is installed inside the chassis of the power supply device.
[0015] Furthermore, the height limiter is in the shape of a "冂", and is fixedly welded by symmetrically arranged left and right columns and a fence crossbeam. An inclined support is welded behind the columns, and the columns and the inclined support are installed on a pre-cast concrete foundation using high-strength bolts;
[0016] Further, the LED display screen includes a clamp and a non-slip pad, the non-slip pad is arranged on the inner side wall of the clamp and is connected with the fence beam, the LED display screen is electrically connected with the industrial control box and receives the electrical signal transmitted by the industrial control box to convert into a text signal for display.
[0017] Further, the industrial control box is fixedly installed on the side of the right side column of the height limiting frame through a clamp frame, a sound-light alarm is arranged on the front face of the clamp frame and is connected with the industrial control box through bolts.
[0018] Further, the laser emitting and receiving device includes a mounting frame, the mounting frame is in the shape of a right triangle, the tail end of the mounting frame is installed on the column through a U-shaped clamp, the front end of the mounting frame is provided with the laser emitting and receiving device, and the laser emitting and receiving device is arranged in mirror image, one group is used for emitting a laser beam, and the other group is used for receiving a laser beam.
[0019] Further, a sheet-shaped boss is arranged above the tail end of the mounting frame installed on the right side column, the boss is used for installing a laser radar, and the laser radar is used for detecting whether a vehicle passing in front of the height limiting frame is overheight, and the detection range is 0.1m-100m.
[0020] Further, the vibration sensor is stably arranged at the middle position of the fence beam through a connecting piece and is electrically connected with the industrial control box, is used for sending an instruction signal when an overheight vehicle collides with the protective frame and timely transmitting collision information.
[0021] Further, the power supply device includes a stand, a solar cell panel and a machine box, the solar cell panel is installed at the top of the stand and is used for providing stable power required by the equipment, the machine box is installed at the middle position of the stand, and the machine box is internally provided with a storage battery, a centralized core processor and a hard disk video recorder.
[0022] Further, the centralized core processor is a self-developed centralized core processor integrated with CPU and NPU and is used for autonomously controlling and processing signal transmission of on-site equipment and control operation of the equipment, the centralized core processor has algorithm recognition expansion capability and is provided with function reservation for other algorithm integration of a subsequent system.
[0023] Further, the anti-collision alarm system device includes monitoring guns, two groups of monitoring guns are arranged, one group is installed above the right side of the railway bridge and is used for monitoring and shooting video information of the height limiting frame and the road surface, and the other group is installed on the slope of the side of the bridge and is used for monitoring and shooting video information of the main body of the bridge tunnel.
[0024] The utility model discloses compared with prior art has produced beneficial effect is:
[0025] 1)The utility model provides a railway bridge culvert height limit frame anti -collision alarm system device. This device adopts laser radar, laser light against the device and vibration sensor to realize multiple authentication protection. Laser radar can preliminarily monitor and mark the vehicle appearing in 100m range before height limit frame, and laser light against the device can accurately monitor the superhigh vehicle, accurately record superhigh vehicle information and transmit signal to centralized core processor. Centralized core processor sends alarm signal to background monitoring system at the same time, and starts field equipment to make response, controls LED display screen to show prompt text, controls audible -visual annunciator to send sound to remind vehicle driver to slow down or stop. In this way, superhigh vehicle can be intercepted efficiently and quickly, and the protection efficiency of height limit frame is improved.
[0026] 2)The utility model provides a railway bridge culvert height limit frame anti -collision alarm system device adopts the installation mode of nut hoop, and the equipment is centrally installed at the upper right corner of height limit frame. Anti -skid pad is arranged in the inner ring of hoop, so that the abrasion of height limit frame body caused by metal contact friction of hoop can be prevented, and the stability of equipment in various weather environments can be ensured.
[0027] 3)The utility model provides a railway bridge culvert height limit frame anti -collision alarm system device adopts the integrated CPU+NPU type centralized core processor of independent research and development, and the processor moves information processing and equipment management from remote control of monitoring background to field control, and displays the field monitoring picture to the background client control program in time, greatly reduces transmission flow expenditure, and saves a large amount of use cost. In addition, when transmission signal has a problem or signal is poor, the centralized core processor can independently and timely handle the signal sent by field equipment and control the equipment to work normally, avoids the impact event caused by the alarm system device unable to work normally or delayed work due to signal influence. ACCURACY
[0028] The specific embodiment of the utility model is further explained in detail in combination with the drawings, and the drawings are as follows:
[0029] Figure 1 It is the three-dimensional structure schematic diagram of the utility model railway bridge culvert height limit frame anti -collision alarm system device;
[0030] Figure 2 It is the three-dimensional structure schematic diagram of the utility model railway bridge culvert height limit frame anti -collision alarm system device;
[0031] Figure 3 It is the equipment installation exploded schematic diagram of the utility model railway bridge culvert height limit frame anti -collision alarm system device;
[0032] Figure 4Is the vibration sensor installation exploded schematic view of the railway bridge and culvert height limit frame anti-collision alarm system device of the utility model;
[0033] Figure 5 Is the laser emitting and receiving device mounting rack structure schematic view of the railway bridge and culvert height limit frame anti-collision alarm system device of the utility model;
[0034] Figure 6 Is the power device structure schematic view of the railway bridge and culvert height limit frame anti-collision alarm system device of the utility model;
[0035] Figure 7 Is the inside schematic view of the case of the railway bridge and culvert height limit frame anti-collision alarm system device of the utility model;
[0036] Figure 8 Is the use state of the railway bridge and culvert height limit frame anti-collision alarm system device of the utility model.
[0037] In the figure, the reference numerals are:
[0038] 1-height limiting frame; 101-stand; 102-fence cross beam; 103-inclined support;
[0039] 2-LED display screen; 201-hoop piece; 202-anti-skid pad;
[0040] 3-laser emitting and receiving device; 301-mounting rack; 302-U-shaped piece; 303-plate-shaped boss;
[0041] 4-vibration sensor; 401-connection piece;
[0042] 5-power device; 501-stand; 502-solar cell panel; 503-case;
[0043] 6-industrial control box; 601-hoop rack;
[0044] 7-acoustic light alarm;
[0045] 8-laser radar;
[0046] 9-battery;
[0047] 10-concentrated core processor;
[0048] 11-hard disk video recorder;
[0049] 12-monitoring gun. DETAILED DESCRIPTION
[0050] In order to make the technical means, the creation characteristics, the purpose and the effect of the utility model easy to understand, the technical scheme of the utility model will be explained in further detail in combination with the drawings and the specific embodiments, and it should be noted that the embodiments in the application and the features in the embodiments can be combined with each other without conflict. The utility model will be explained in detail with reference to the drawings and in combination with the embodiments.
[0051] As shown in the accompanying Figures 1-2 A railway bridge culvert height limit frame anti-collision alarm system device, characterized in that it comprises:
[0052] The height limit frame 1 is erected in front of the entrance and exit of the railway bridge culvert, and is composed of left and right symmetrical columns 11 and fence cross beams 12 fixed and welded together, and the columns (11) are welded with inclined supports 13 at the back for enhancing stability.
[0053] The LED display screen 2 is arranged at the upper right corner of the height limit frame 1, is connected with the industrial control box 6 through wires, uses eye-catching red font display, and can display different edited texts according to the scene;
[0054] The laser shooting device 3 is arranged at a position 30 meters in front of the column 11, and sends a vehicle height signal by determining whether the laser can be received or not;
[0055] The vibration sensor 4 is arranged at the middle position of the height limit frame 1 and is electrically connected with the industrial control box 6.
[0056] The power supply device 5 is arranged beside the height limit frame 1, is connected with the industrial control box 6 through cables, and is used for transmitting power supply and signals.
[0057] The vibration speed of the vibration sensor 4 is 0-50 mm per second, the vibration angle range is 0-180°, the vibration displacement is 0-30000 um, and the vibration frequency is 1-100 hz; the vibration sensor 4 is connected with the industrial computer through an RS485 interface; and the working voltage is DC 5-36 V.
[0058] The industrial control box 6 has an industrial integrated CPU industrial computer function, can be distinguished in detail according to the specific conditions of each monitoring point, and is better adapted to the application of the specific scene.
[0059] As shown in the accompanying Figures 3-5As shown, the LED display screen 2, the laser beam device 3, the industrial control box 6 and the audible and visual alarm 7 are centrally installed at the upper right corner of the height limiter 1 by using the hoop 21, the vibration sensor 4 is installed at the central position of the height limiter 1, and the laser radar 8 is installed on the tabular boss 33 at the tail of the mounting bracket 31. Anti-skid pads 22 are arranged on the inner walls of all the hoops, which can effectively reduce the friction between metals and improve the stability of the equipment in use.
[0060] The mounting bracket 31 is arranged symmetrically on the left and right columns 11 of the height limiter 1 in a shape of a right-angled triangle spliced by materials. The laser beam device 3 is bolted at the head of the mounting bracket 31, and the tail is fixedly connected with the column 11 by using the U-shaped piece 32. The tabular boss 33 is arranged above one group of the mounting bracket 31 for bolted connection with the laser radar 8.
[0061] The laser radar is used to preliminarily monitor the over-height vehicles in front of the bridge and culvert height limiter, the measurement range is 0.1-100 meters, the height of the vehicles within 100 meters in front of the bridge and culvert height limiter is monitored and data processed, the measurement accuracy range error is 1%, and the laser radar is connected with the centralized core processor through the RS485 interface. The voltage is DC 5 volts, the maximum power consumption is 1 watt, and the energy consumption is reduced.
[0062] As shown in the accompanying drawings, Figures 6-7 As shown, the power supply device 5 includes a stand 51, a solar panel 52 and a case 53. The solar panel 52 is arranged at the top of the stand 51, and the case 53 is arranged at the central position of the stand 51. The case 53 is internally provided with the core control equipment such as the storage battery 9, the centralized core processor 10 and the hard disk video recorder 11. The solar panel 52 is used to provide the voltage required for normal operation of the equipment and to deliver the excess voltage to the storage battery 9 for storage, so as to avoid the equipment from being unable to work normally due to power failure.
[0063] The centralized core processor 10 is a self-developed integrated CPU+NPU domestic ARM centralized core processor, which independently controls the processing of the over-height information of the laser radar and the laser beam device and the vibration information of the vibration sensor. After the over-height information and the collision information are monitored, the on-site prompting equipment (the audible and visual alarm and the LED display screen) is controlled to sound and light and display reminders, and the data information processing is completed and transmitted to the background server through the Internet of Things, so as to reduce the use of the Internet of Things card flow and the great dependence on the performance and storage space of the central cloud server. The centralized core processor 10 is integrated with 8 network ports, 8 485 interfaces and 8 switching amount management interfaces, has algorithm recognition expansion capability, supports the expansion and optimization of the equipment according to the on-site situation, makes the function of the system more perfect and reliable, and has the advantages of low cost, high reliability and high stability.
[0064] The hard disk recorder 11 is used to store historical video images such as on-site collision alarms and early warnings, and supports 4-channel video input. It uses dual hard disk bays to improve transmission performance, and the video storage time is no less than 30 days as required, with a single hard disk capacity of 2TB; the recording resolution can be selected in multiple ways such as 4MP, 3MP, and 1080P; it communicates with the ARM core processor via RJ45.
[0065] As attached Figure 8 As shown, the anti-collision alarm system device also includes a monitoring camera 12. The monitoring camera 12 is provided in two sets. One set is installed on the upper right side of the railway bridge and culvert to monitor and capture video information of the height restriction frame 1 and the road surface. The other set is installed on the slope on the side of the bridge and culvert to monitor and capture video information of the main body of the bridge and culvert.
[0066] The monitoring camera 12 is a 4MP 1 / 1.8" CMOS intelligent network camera with a fixed 4mm focal length, clearly recording the visible image within the height restriction range of bridges and culverts. It features night vision with a range of 50 meters, ensuring real-time monitoring of the site at night. The recorded video is compressed using H.265 / H.264 as the main code and H.265 / H.264 / MJPEG as the sub-stream. The maximum image resolution is 2560x1440. The power supply is DC 9-15V, supporting reverse connection protection to effectively improve the equipment's lifespan.
[0067] In use, first install the height restriction frame 1 on the already poured concrete foundation, stabilizing it at the entrance and exit of the railway bridge / culvert. Then, install the equipment one by one onto the top of the columns 11 of the height restriction frame 1 using clamps. Connect all equipment cables to the control box 6. The power supply unit 5 is installed on the ground next to the height restriction frame 1, and cables connect the power supply unit 5 and the control box 6. When a vehicle appears...
[0068] When the height of the vehicle is lower than the warning value, the vehicle can pass normally, if the height of the vehicle is higher than or equal to the warning value, the laser radar 8 marks the vehicle and sends signal data to the centralized core processor 10, the centralized core processor 10 controls the LED display screen to display red eye-catching words and controls the sound and light alarm to emit sound to remind the vehicle driver to slow down, at the same time, the alarm signal data is transmitted to the background monitoring system through the Internet of Things to issue a background alarm, if the vehicle continues to advance, when the laser beam device 3 accurately detects whether the vehicle is over height at a position 30 meters away from the height limiting frame, if the emitted laser beam is not blocked, the vehicle can continue to advance, if the emitted laser beam is blocked, the laser beam device 3 sends the vehicle over height signal data to the centralized core processor 10, the centralized core processor 10 analyzes the data and further controls the LED display screen to display over height words and controls the sound and light alarm to emit sharp sound to remind the vehicle driver to stop. The background staff can view the real-time on-site monitoring through the monitoring system, make correct judgment according to the on-site situation, control the LED display screen to display special words and control the sound and light alarm to emit special sound to remind the vehicle driver. If the vehicle continues to advance, the height limiting frame 1 will be impacted, the vibration sensor 4 generates impact signal data, the centralized core processor 10 analyzes the data and sends the data to the background monitoring system and issues an impact alarm. In addition, the centralized core processor 10 can analyze the equipment operation data in real time, when the equipment is damaged or cannot work normally, the centralized core processor 10 sends a maintenance instruction to the background system, including in detail the location, damage reason and whether it needs to be replaced, etc., the staff can make preparations according to the situation and go to the site for maintenance work.
[0069] Finally, it should be noted that the above has combined the embodiments and the drawings to clearly and completely describe the concept, specific structure and generated technical effects of the utility model, so as to fully understand the purpose, features and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all embodiments, based on the embodiments of the utility model, other embodiments obtained by the skilled in the art without creative labor belong to the protection scope of the utility model. In addition, the connection relationship mentioned in the text does not mean that the components are directly connected, but that a better connection structure can be composed by adding or reducing connecting auxiliary parts according to the specific implementation situation. The technical features in the creation of the utility model can be combined interactively without mutual contradiction and conflict.
Claims
1. A railway bridge culvert height limit anti-collision alarm system device, characterized in that, The utility model relates to a high limit frame with laser radar and laser shooting device, and belongs to the field of railway bridge and culvert safety protection. High limit frame (1) is installed in the front end of railway bridge and culvert entrance and exit; LED display screen (2) is arranged and installed in the corner position of high limit frame (1) and is electrically connected with industrial control box (6); Laser shooting device (3) is provided with two groups of equipment, and mirror image symmetry is arranged in the left and right stand column (101) of high limit frame (1) and is electrically connected with industrial control box (6); Vibration sensor (4) is arranged and installed in the middle position of high limit frame (1) and is electrically connected with industrial control box (6); Power device (5) is arranged in the side of high limit frame (1) and is connected with industrial control box (6) through cable; Acousto-optic alarm (7) is arranged and installed in the corner position of high limit frame (1) and is electrically connected with industrial control box (6); Laser radar (8) is arranged and installed on the mounting bracket of laser shooting device (3) and is electrically connected with industrial control box (6); Centralized core processor (10) is installed in the machine box of power device (5).
2. The railway bridge culvert height limit anti-collision alarm system device according to claim 1, characterized in that, High limit frame (1) is in the shape of " " and is composed of left and right symmetrical stand column (101) and fence cross beam (102) fixed welding, and the rear of stand column (101) is welded with inclined support (103).
3. The railway bridge culvert height limit anti-collision alarm system device according to claim 1, characterized in that, LED display screen (2) includes hoop piece (201) and antiskid pad (202), the antiskid pad (202) is arranged on the inner side wall of hoop piece (201) and is connected with fence cross beam (102), and the LED display screen (2) is electrically connected with industrial control box (6).
4. The height-limited anti-collision alarm system device for railway bridges and culverts according to claim 1 or 3, characterized in that, Industrial control box (6) is fixedly installed on the right side of right side stand column (101) of high limit frame (1) through hoop bracket (601), acousto-optic alarm (7) is bolted on the front of hoop bracket (601), and acousto-optic alarm (7) is electrically connected with industrial control box (6).
5. The railway bridge culvert height limit anti-collision alarm system device according to claim 1, characterized in that, Laser shooting device (3) includes mounting bracket (301), the mounting bracket (301) is in the shape of right triangle, and two groups are arranged, the laser shooting device (3) is mirror image symmetry installed in the front end of mounting bracket (301), and the tail end of mounting bracket (301) is installed on stand column (101) through U-shaped piece (302).
6. A railway bridge culvert height limit anti-collision alarm system device according to claim 5, characterized in that, The tail end of mounting bracket (301) installed on the right side stand column (101) is provided with sheet-shaped boss (303) above, and the sheet-shaped boss (303) is used for installing laser radar (8).
7. The railway bridge culvert height limit anti-collision alarm system device according to claim 1, characterized in that, Vibration sensor (4) is stably arranged in the middle position of fence cross beam (102) through connecting piece (401) and is electrically connected with industrial control box (6) and is used for sending collision instruction signal when the overhigh vehicle collides with high limit frame (1).
8. The railway bridge culvert height limit anti-collision alarm system device according to claim 1, characterized in that, The power supply device (5) comprises a vertical pole (501), a solar panel (502) and a cabinet (503), the solar panel (502) is arranged at the top of the vertical pole (501), the cabinet (503) is arranged at the middle position of the vertical pole (501), and the inside of the cabinet (503) is internally provided with a storage battery (9), a centralized core processor (10) and a hard disk video recorder (11) core control device.
9. The railway bridge culvert height limit anti-collision alarm system device according to claim 1, characterized in that, The centralized core processor (10) is a self-developed integrated CPU+NPU centralized core processor, which is used for independently controlling and processing the signal transmission and the control operation of the field equipment, and has algorithm recognition expansion capability, and reserves functions for subsequent algorithm integration.
10. The railway bridge culvert height limit anti-collision alarm system device according to claim 1, characterized in that, The anti-collision alarm system device further comprises a monitoring gun (12), the monitoring gun (12) is provided with two groups, one group is installed on the right upper side of the railway bridge and culvert, and is used for monitoring and shooting the video information of the height limiting frame (1) and the road surface, and the other group is installed on the slope of the side of the bridge and culvert, and is used for monitoring and shooting the video information of the main body of the bridge and culvert tunnel.
Citation Information
Patent Citations
Ultrahigh monitoring and alarming system for height-limiting protective frame of railway overpass
CN220895037U