Interception alarm device

Abstract

The utility model discloses an interception alarm device, which comprises a plurality of bottom plates, the top ends of the plurality of bottom plates are respectively and fixedly provided with a first echelette grating and a second echelette grating, the two corresponding first echelette grating and the second echelette grating are correspondingly arranged, the first echelette grating and the second echelette grating are both electrically connected with a PLC (Programmable Logic Controller) programmer, and the PLC programmer is electrically connected with the PLC. The PLC programmer is electrically connected with an alarm, a horn and a monitoring camera, when pedestrians or electric motorcycles drive to an entrance lane or the vehicles retreat on a square close to the lane, an alarm can be given out in time, field workers are reminded of handling, the system is suitable for expressway area management and control, and the safety of the expressway area is improved. A certain detection effect can be achieved on main points where pedestrians and electric motorcycles are forbidden to run on road traffic. Meanwhile, the number and the distance of the echelette gratings and a PLC program are modified, and the system can also be used for detecting and recording vehicles in different conditions such as traffic flow, super-long vehicles, super-high vehicles and the like.

Description

Technical Field

[0001] The utility model relates to an alarm device, in particular to an interception alarm device. Background Art

[0002] Highways are closed and fast traffic environments. Pedestrians and electric bicycles getting on the highway and vehicles reversing on the highway not only seriously affect the normal traffic order of the highway, but also extremely easily cause accidents such as motor vehicle rear-end collisions or collisions with pedestrians, hiding major potential traffic safety hazards; currently, it is extremely urgent to stop these unsafe behaviors from the source (toll stations, ramps) where vehicles enter the highway.

[0003] Setting up monitoring and alarm devices at the main positions where vehicles enter the highway can discover pedestrians and electric bicycles (motorcycles) getting on the highway and give an alarm in the first place at the source, and then on-site shouting, video recording, etc. can be carried out, which is convenient for interception, later tracking, etc. Especially at the fork of each ramp, because drivers drive on the wrong route, vehicle reversing is most likely to occur. Through interception and alarm, this wrong behavior can be stopped in the first place. Content of the Utility Model

[0004] The purpose of the utility model is to provide an interception alarm device to solve the problems put forward in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an interception alarm device, including a plurality of bottom plates, a first infrared grating and a second infrared grating are respectively fixedly installed at the tops of the plurality of bottom plates, the corresponding two first infrared gratings and second infrared gratings are placed correspondingly, both the first infrared grating and the second infrared grating are electrically connected to a PLC programmer, and the PLC programmer is respectively electrically connected to an alarm, a horn and a monitoring camera.

[0006] As a preferred technical solution of the utility model, an L-shaped plate is slidably connected to one side of the tops of the plurality of bottom plates, a chute is opened on one side of the tops of the plurality of bottom plates, a slider is fixedly connected to the bottom ends of the plurality of L-shaped plates, and the plurality of sliders are slidably connected to the corresponding chutes.

[0007] As a preferred technical solution of the utility model, fixing plates are fixedly arranged inside the plurality of L-shaped plates, sponge wipes are laid inside the plurality of fixing plates, strip brushes are fixedly installed on one side of the plurality of fixing plates, and scraping strips are fixedly installed on one side of the plurality of strip brushes.

[0008] As a preferred technical solution of the utility model, the plurality of L-shaped plates are fixedly connected to the outer walls of one sides of the corresponding first infrared grating and second infrared grating through compression springs installed inside.

[0009] As a preferred technical solution of the present utility model, the distance between the corresponding two first infrared gratings and the second infrared grating is 2.4 meters to 2.5 meters.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] When a pedestrian or an electric bicycle (motorcycle) is driving towards the entrance lane, or when a vehicle is backing up on the square near the lane, the present utility model can issue an alarm in time to remind the on-site staff to handle it. After the infrared grating and the alarm device are installed, they can be put into use immediately. Usually, only need to observe whether there will be false alarms when the vehicle drives in and out normally, or when people walk. No other operations are required. The pedestrian, electric bicycle (motorcycle) and vehicle reverse interception alarm device can not only be suitable for highway area control, but also play a certain detection role at the main points such as expressways, elevated roads, bridges, tunnels, etc. where pedestrians and electric bicycles (motorcycles) are prohibited from driving on the road traffic. At the same time, by modifying the number, spacing of the infrared gratings and the PLC program, it can also be used for the detection and recording of vehicles in different conditions such as traffic flow, over-length and over-height vehicles.

[0012] The present utility model is connected by a compression spring between the L-shaped plate and the grating. When the grating is collided by a pedestrian or an electric vehicle in reverse, the compression spring can be contracted, driving the L-shaped plate to retract, playing a role in shock absorption and protection for the grating. At the same time, during the retraction process of the L-shaped plate, the scraping strip will be driven to scrape the dust on the surface of the grating, and then the strip brush and the sponge wipe will clean the dust on the surface of the grating. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a structural schematic diagram of the present utility model;

[0014] Figure 2 is a schematic diagram of the bottom plate structure of the present utility model;

[0015] Figure 3 is a module schematic diagram of the present utility model;

[0016] Figure 4 is a PLC ladder diagram of the present utility model.

[0017] In the figure: 1, the first infrared grating; 2, the second infrared grating; 3, the bottom plate; 4, the L-shaped plate; 5, the PLC programmer; 6, the alarm; 7, the horn; 8, the monitoring camera; 9, the compression spring; 10, the sponge wipe; 11, the chute; 12, the strip brush; 13, the scraping strip. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figures 1-4 , the present utility model provides a technical solution for an interception and alarm device: Embodiment 1:

[0020] According to Figure 1 、 Figure 2 and Figure 3 、 Figure 4 As shown in

[0021] , an interception and alarm device includes a plurality of bottom plates 3. The tops of the plurality of bottom plates 3 are respectively fixedly installed with a first infrared grating 1 and a second infrared grating 2. The corresponding two first infrared gratings 1 and second infrared gratings 2 are placed correspondingly. The distance between the corresponding two first infrared gratings 1 and second infrared gratings 2 is 2.4 meters to 2.5 meters. Both the first infrared grating 1 and the second infrared grating 2 are electrically connected to a PLC programmer 5. The PLC programmer 5 is respectively electrically connected to an alarm 6, a horn 7, and a monitoring camera 8.

[0022] One side of the top of the plurality of bottom plates 3 is slidably connected with an L-shaped plate 4. One side of the top of the plurality of bottom plates 3 is provided with a chute 11. The bottom ends of the plurality of L-shaped plates 4 are fixedly connected with sliders. The plurality of sliders are slidably connected to the corresponding chutes. The inner sides of the plurality of L-shaped plates 4 are fixedly provided with fixing plates. The inner sides of the plurality of fixing plates are all laid with a sponge wipe 10. One side of the plurality of fixing plates is fixedly installed with a strip brush 12. One side of the plurality of strip brushes 12 is fixedly installed with a scraping strip 13.

[0023] When in specific use, for the interception and alarm device of the present utility model, two infrared grating induction devices, namely a first infrared grating 1 and a second infrared grating 2 (alarm line), are installed at the monitoring location. Through measurement of conventional vehicles, the spacing is set at 2.4 to 2.5 meters. It is distinguished according to the span (length) of vehicles and pedestrians:

[0024] (1). Four states when a vehicle drives in: When the vehicle triggers the first infrared grating 1 (closed), continues to move forward and triggers the second infrared grating 2 (closed), continues to move forward and leaves the first infrared grating 1 (open), and continues to move forward and leaves the second infrared grating 2 (open), no alarm occurs;

[0025] (2) When a pedestrian or an electric bicycle (motorcycle) triggers the first infrared grating 1 (closed), and continues to move forward, the first infrared grating 1 will be disconnected first, and then the second infrared grating 2 will be triggered (closed), and an alarm will occur;

[0026] (3) When the vehicle directly reverses, the second infrared grating 2 is triggered (closed), and an alarm occurs.

[0027] When an extra-large motorcycle (length greater than 2.5 meters) enters the detection area, it will be misjudged as a mini car, or when pedestrians, electric bicycles (motorcycles) and vehicles are mixed, it is not easy to trigger an alarm or a false alarm, but the probability of this phenomenon is less than 0.1%. To improve the control efficiency, in addition to mechanical prevention, the interception system also needs to strengthen human prevention to complete together;

[0028] However, when a pedestrian or an electric vehicle accidentally touches the first infrared grating 1 and the second infrared grating 2 during reverse, the compression spring 9 contracts, driving the L-shaped plate 4 to retract, playing a role in shock absorption protection for the first infrared grating 1 and the second infrared grating 2. At the same time, during the retraction of the L-shaped plate 4, the scraping strip 13 will be driven to scrape the dust on the surfaces of the first infrared grating 1 and the second infrared grating 2, and then the bar-shaped brush 12 and the sponge wipe 10 will clean the dust on the surfaces of the first infrared grating 1 and the second infrared grating 2.

Claims

1. An interception alarm device, comprising a plurality of bottom plates (3), characterized in that: The tops of multiple said bottom plates (3) are respectively fixedly installed with a first infrared grating (1) and a second infrared grating (2). Two corresponding said first infrared gratings (1) and second infrared gratings (2) are placed correspondingly. Both the first infrared grating (1) and the second infrared grating (2) are electrically connected to a PLC programmer (5). The PLC programmer (5) is respectively electrically connected to an alarm (6), a horn (7) and a monitoring camera (8).

2. The interception alarm device according to claim 1, wherein: One side of the tops of multiple said bottom plates (3) is slidably connected with an L-shaped plate (4). One side of the tops of multiple said bottom plates (3) is provided with a chute (11). The bottom ends of multiple said L-shaped plates (4) are fixedly connected with sliders, and multiple said sliders are slidably connected with the corresponding chutes.

3. The interception and alarm device according to claim 2, characterized in that: Fixing plates are fixedly arranged inside multiple said L-shaped plates (4). Sponge wipes (10) are laid inside multiple said fixing plates. Strip brushes (12) are fixedly installed on one side of multiple said fixing plates. Scraping strips (13) are fixedly installed on one side of multiple said strip brushes (12).

4. The interception alarm device according to claim 3, wherein: Multiple said L-shaped plates (4) are fixedly connected to the outer walls of one sides of the corresponding first infrared grating (1) and second infrared grating (2) through compression springs (9) installed inside.

5. An interception alarm device according to claim 1, characterized in that: The distance between two corresponding said first infrared gratings (1) and second infrared gratings (2) is 2.4 meters to 2.5 meters.

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