CN210515552U

CN210515552U - Tunnel vehicle-passing acousto-optic alarm system

Info

Publication number: CN210515552U
Application number: CN201922096104.8U
Authority: CN
Inventors: 徐�明; 舒国平; 冯晓亮
Original assignee: Hangzhou Xinjing Management Office Of Zhejiang Hangzhou Xinjing Expressway Co ltd
Current assignee: Hangzhou Xinjing Management Office Of Zhejiang Hangzhou Xinjing Expressway Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-05-12
Anticipated expiration: 2029-11-28

Abstract

The utility model provides a tunnel vehicle-passing acousto-optic alarm system, which comprises a laser correlation switch, a main control box and an acousto-optic alarm; the laser correlation switch comprises a transmitter and a receiver, wherein the transmitter and the receiver are respectively arranged on the left side and the right side of the lane in an opposite mode; the audible and visual alarm is mounted on a wall body of the tunnel, and is 100-150 meters away from the laser correlation device along the advancing direction of the lane; the main control box comprises a power module and a control module, the power module is used for providing a working power supply for the laser correlation device, the audible and visual alarm and the control module, and the control module is respectively electrically connected with the receiver and the audible and visual alarm and is used for controlling the audible and visual alarm to work according to the output state of the receiver. The utility model has the advantages that: 1. by setting the time control switch, the time and the time period can be adjusted at will, and the operation is simple and convenient; 2. the vehicle-mounted automatic stop system automatically stops when no vehicle passes, reduces energy consumption and fault frequency, and reduces interference to the outside; 3. the test process is convenient.

Description

Tunnel vehicle-passing acousto-optic alarm system

Technical Field

The utility model belongs to the technical field of traffic safety, especially, relate to a tunnel passes car audible-visual alarm system.

Background

With the development of modern tunnel technology, tunnel construction is developing towards the direction of long distance, large section and high automation. If the Hangzhou new scene high speed (thoroughfare section) is located in the Zhejiang province thoroughfare city, the whole process is 105 kilometers, 32 tunnels are counted, the two-way mileage of the tunnels is 65 kilometers, and the mileage of the tunnels accounts for the following ratio: 31 percent. Because the scene in the tunnel is single, the visual fatigue is very easy to bring to the driver when the vehicle runs for a long distance. And external factors are isolated in the tunnel, so that the vehicles run in a single lane uniformly, and the fatigue of drivers is further increased. And investigation finds that the middle section of the long-distance tunnel is an accident multi-occurrence section, and accidents of rear-end collision, rubbing and collision and emergency parking port are frequently caused, and can be obtained from field investigation and analysis, and most of the accidents are caused by fatigue driving.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a tunnel passes car audible-visual alarm system can remind the vehicle in the tunnel to pay attention to safety.

In order to solve the technical problem, the technical scheme of the utility model is that:

a tunnel vehicle-passing acousto-optic alarm system comprises a laser correlation switch, a main control box and an acousto-optic alarm; the laser correlation switch comprises a transmitter and a receiver, wherein the transmitter and the receiver are respectively arranged on the left side and the right side of the lane in an opposite mode; the audible and visual alarm is mounted on a wall body of the tunnel, and is 100-150 meters away from the laser correlation device along the advancing direction of the lane; the main control box comprises a power module and a control module, the power module is used for providing a working power supply for the laser correlation device, the audible and visual alarm and the control module, and the control module is respectively electrically connected with the receiver and the audible and visual alarm and is used for controlling the audible and visual alarm to work according to the output state of the receiver.

Preferably, the control module comprises an alternating current loop and a direct current loop, and the alternating current loop and the direct current loop are both electrically connected with the power supply module; the alternating current loop comprises a main circuit and 4 branches connected in parallel, wherein a first time relay, a second time relay, a first intermediate relay and a second intermediate relay are respectively arranged in 3 branches, and the other branch is connected with the audible and visual alarm in series; the normally closed contact of the first time relay is connected with the first intermediate relay in series, the normally open contact of the first intermediate relay is connected with the audible and visual alarm in series, and the normally closed contact of the second time relay is connected with the direct current loop in series; the direct current loop is connected with a second time relay and an output terminal of the receiver in series, and a normally open contact of the second intermediate relay is connected with a main circuit of the alternating current loop in series.

Preferably, the power supply module comprises a power switch, an air switch and a switching power supply; 220V alternating current is connected to one side of the air switch, and the other side of the air switch is connected with the alternating current loop and the switch power supply through the power switch; the switching power supply is used for supplying 24V direct current to the direct current loop and the laser correlation switch.

Preferably, the power switch is a time-controlled switch.

Preferably, the transmitter and the receiver are respectively installed on the wall of the tunnel through a first bracket and a second bracket; the first support comprises a connecting plate, a mounting plate and a shielding assembly; the connecting plate is used for being fixed with a wall body; the mounting plate is provided with a mounting hole for mounting the emitter; the shielding assembly comprises a shielding plate, a rotating shaft and a driving motor, the rotating shaft is rotatably arranged on the mounting plate, and the shielding plate is fixed on the rotating shaft; the driving motor is arranged on the mounting plate and is connected with the rotating shaft;

the mounting plate is also provided with a test controller, and the test controller comprises a single chip microcomputer, a test signal input circuit, a voltage stabilizing module, the single chip microcomputer and a motor driving chip, wherein the test signal input circuit, the voltage stabilizing module, the single chip microcomputer and the motor driving chip are electrically connected with the single chip microcomputer; a test button is arranged in the main control box and electrically connected with the test signal input circuit; and the output end of the motor driving chip is electrically connected with the driving motor.

The utility model discloses technical effect mainly embodies in following aspect:

1. by setting the time control switch, the time and the time period can be adjusted at will, and the operation is simple and convenient;

2. when no vehicle passes through, the vehicle can be automatically stopped, so that the energy consumption and the fault frequency are reduced, and the external interference is reduced.

Drawings

FIG. 1 is a control schematic diagram of a tunnel passing acousto-optic alarm system in an embodiment;

FIG. 2 is a structural view of a first bracket in the embodiment;

FIG. 3 is a block diagram of a test controller in an embodiment.

Reference numerals: 1. a power switch; 2. a switching power supply; 3. an audible and visual alarm; 4. a first bracket; 41. a connecting plate; 42. mounting a plate; 5. a test controller; 61. a drive motor; 621. a rotating shaft; 63. a shielding plate; 7. a transmitter.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

The first embodiment,

The embodiment provides a tunnel vehicle-passing audible and visual alarm system which comprises a laser correlation switch, a main control box and an audible and visual alarm 3; the laser correlation switch comprises a transmitter and a transmitter 7, wherein the transmitter and the transmitter 7 are respectively arranged on the left side and the right side of the lane in an opposite mode; the audible and visual alarm 3 is installed on the wall body of the tunnel, and is 100-150 meters, preferably 120 meters away from the laser correlation device along the advancing direction of the lane.

The main control box comprises a power module and a control module, the power module is used for providing a working power supply for the laser correlation device, the audible and visual alarm 3 and the control module, and the control module is respectively electrically connected with the emitter 7 and the audible and visual alarm 3 and is used for controlling the audible and visual alarm 3 to work according to the output state of the emitter 7.

The control module comprises an alternating current loop and a direct current loop, and the alternating current loop and the direct current loop are both electrically connected with the power supply module; the alternating current loop comprises a main circuit and 4 branches connected in parallel, wherein 3 branches are respectively provided with a first time relay KT1, a second time relay KT2, a first intermediate relay KA1 and a second intermediate relay KA2, and the other branch is connected with the audible and visual alarm 3 in series; a normally closed contact of the first time relay KT1 is connected in series with the first intermediate relay KA1, a normally open contact of the first intermediate relay KA1 is connected in series with the audible and visual alarm 3, and a normally closed contact of the second time relay KT2 is connected in series with the direct current loop; the direct current circuit is connected in series with the output terminals of a second time relay KT2 and a receiver, one normally open contact of a second intermediate relay KA2 is connected in series with the main circuit of the alternating current circuit, and the other normally open contact switch is connected in parallel with the output terminal of the receiver.

It should be noted that the model of the relay used is JZX-22F, and the model of the relay time relay used is JS 14S-999S.

The power supply module comprises a power supply switch 1, an air switch and a switching power supply; one side of the air switch is connected with 220V alternating current, and the other side of the air switch is connected with the alternating current loop and the switch power supply through the power switch 1; the laser correlation switch is E3F-200N 1-JG; the model of the time control switch is as follows; the air switch is of type NXB-632. The switching power supply is used for supplying 24V direct current to the direct current loop and the laser correlation switch, and the model of the switching power supply is S-100-24.

The power switch 1 adopts a time control switch, and the model is NKG 1; the staff accessible time control switch sets for the circular telegram period of interchange, and is nimble convenient.

The working principle is as follows: when a vehicle passes through the laser correlation switch, the output terminal of the receiver is closed, so that the coil of the second intermediate relay KA2 is electrified, and then 2 normally-open half-point switches of the second intermediate relay KA2 are closed; after the circuit is closed, an alternating current loop is electrified, coils of a first intermediate relay KA1, a first time relay KT1 and a second time relay KT2 are electrified, a normally open contact switch of the first time relay KT1 is closed, and the audible and visual alarm 3 is electrified to work. Meanwhile, the first time relay KT1 and the second time relay KT2 start timing, after the timing is finished, the corresponding normally closed contact switch is switched off, the direct current loop and the alternating current loop are switched off, and the audible and visual alarm 3 stops working.

Example II,

On the basis of embodiment one, this embodiment has increased the test function, and then has avoided the staff to run back and forth between transmitter and control box.

Specifically, referring to fig. 2, the transmitter and the transmitter 7 are respectively mounted on the wall of the tunnel through the first bracket 4 and the second bracket. Wherein the second bracket is not shown and has substantially the same overall structure as the first bracket 4. Wherein, the first bracket 4 comprises a connecting plate 41, a mounting plate 42 and a shielding component; the connecting plate 41 is used for being fixed with a wall body; the mounting plate 42 has mounting holes for mounting the transmitter; the shielding assembly comprises a shielding plate 63, a rotating shaft 621 and a driving motor 61, the rotating shaft 621 is rotatably arranged on the mounting plate 42, and the shielding plate 63 is fixed on the rotating shaft 621; the driving motor 61 is mounted on the mounting plate 42 and connected to the rotation shaft 621. The mounting plate 42 is also provided with a test controller 5, and referring to fig. 3, the test controller 5 comprises a single chip microcomputer, and a test signal input circuit, a voltage stabilizing module, the single chip microcomputer and a motor driving chip which are electrically connected with the single chip microcomputer; the output end of the motor driving chip is electrically connected with the driving motor 61.

A test button is arranged in the main control box and is electrically connected with the test signal input circuit; one end of the test button is electrically connected with the output end of the switch power supply, and the other end of the test button is connected with the test signal input circuit through a cable. The test signal input circuit can adopt a chip which is the same as the voltage stabilizing module, and the principle is as follows: when the test button is switched on, the test signal input circuit can output a 5V voltage signal to an input pin of the single chip microcomputer, and then the single chip microcomputer can judge that the test button is pressed through the 5V voltage signal.

The model of the single chip microcomputer can be at89c52, the model of the motor driving chip can be L298, and the model of the voltage stabilizing module can be LM 2576-5.0V.

Therefore, the worker only needs to press the test button to input a test signal to the single chip microcomputer, and the single chip microcomputer controls the driving motor 61 to work through the motor driving chip, so that the shielding plate 63 rotates downwards to shield the emitter, and a vehicle can pass through the shielding plate in a simulated mode.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A tunnel car-passing acousto-optic alarm system is characterized by comprising a laser correlation switch, a main control box and an acousto-optic alarm (3); the laser correlation switch comprises a transmitter and a receiver, wherein the transmitter and the receiver are respectively arranged on the left side and the right side of the lane in an opposite mode; the audible and visual alarm (3) is arranged on a wall body of the tunnel, and is 100-150 meters away from the laser correlation device along the advancing direction of the lane; the main control box comprises a power module and a control module, the power module is used for providing a working power supply for the laser correlation device, the audible and visual alarm (3) and the control module, and the control module is respectively electrically connected with the receiver and the audible and visual alarm (3) and is used for controlling the audible and visual alarm (3) to work according to the output state of the receiver.

2. The acousto-optic tunnel vehicle-passing alarm system according to claim 1, wherein the control module comprises an alternating current loop and a direct current loop, and the alternating current loop and the direct current loop are both electrically connected with the power supply module; the alternating current loop comprises a main circuit and 4 branches connected in parallel, wherein a first time relay, a second time relay, a first intermediate relay and a second intermediate relay are respectively arranged in 3 branches, and the other branch is connected with the audible and visual alarm (3) in series; the normally closed contact of the first time relay is connected with the first intermediate relay in series, the normally open contact of the first intermediate relay is connected with the audible and visual alarm (3) in series, and the normally closed contact of the second time relay is connected with the direct current loop in series; the direct current loop is connected with a second time relay and an output terminal of the receiver in series, and a normally open contact of the second intermediate relay is connected with a main circuit of the alternating current loop in series.

3. The acousto-optic warning system for tunnel passing according to claim 2, characterized in that the power supply module comprises a power switch (1), an air switch and a switching power supply; 220V alternating current is connected to one side of the air switch, and the other side of the air switch is connected with the alternating current loop and the switch power supply through a power switch (1); the switching power supply is used for supplying 24V direct current to the direct current loop and the laser correlation switch.

4. The acousto-optic warning system for the passing of the vehicle in the tunnel according to claim 3, characterized in that the power switch (1) adopts a time control switch.

5. The acousto-optic warning system for tunnel passing according to claim 1, characterized in that the transmitter and the receiver are respectively installed on the wall of the tunnel through a first bracket (4) and a second bracket; the first bracket (4) comprises a connecting plate (41), a mounting plate (42) and a shielding component; the connecting plate (41) is used for being fixed with a wall body; the mounting plate (42) has mounting holes for mounting the emitters; the shielding assembly comprises a shielding plate (63), a rotating shaft (621) and a driving motor (61), the rotating shaft (621) is rotatably arranged on the mounting plate (42), and the shielding plate (63) is fixed on the rotating shaft (621); the driving motor (61) is arranged on the mounting plate (42) and is connected with the rotating shaft (621);

the mounting plate (42) is also provided with a test controller (5), and the test controller (5) comprises a single chip microcomputer, a test signal input circuit, a voltage stabilizing module, the single chip microcomputer and a motor driving chip which are electrically connected with the single chip microcomputer; a test button is arranged in the main control box and electrically connected with the test signal input circuit; the output end of the motor driving chip is electrically connected with a driving motor (61).