CN214428071U

CN214428071U - Personnel monitoring and alarming system for intersection without traffic lights

Info

Publication number: CN214428071U
Application number: CN202120520110.6U
Authority: CN
Inventors: 吴阳明; 吴昊; 张云; 易星; 张婧
Original assignee: Nanjing Communications Institute of Technology
Current assignee: Nanjing Chenhai Network Technology Co.,Ltd.
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-10-19
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a no traffic lights crossing personnel monitoring alarm system, including control circuit, moving object monitoring sensor, photosensitive sensor, warning display circuit and storage power supply circuit. The moving object monitoring sensor is electrically connected with the control circuit, the monitoring range of the moving object monitoring sensor covers the intersection, the photosensitive sensor control circuit is electrically connected with the alarm display circuit control circuit, and the power storage and supply circuit is respectively electrically connected with the control circuit, the moving object monitoring sensor, the photosensitive sensor and the alarm display circuit. According to the traffic-light-free intersection personnel monitoring system in the technical scheme, whether moving pedestrians or personnel riding non-motor vehicle carriers exist at the intersection can be monitored, a driver driving on the road is warned in a visual information mode, traffic accidents at rural areas and traffic-light-free intersections with more greenery are avoided, and the safety of the pedestrians is guaranteed.

Description

Personnel monitoring and alarming system for intersection without traffic lights

Technical Field

The utility model relates to an intelligent transportation field, in particular to no traffic lights crossing personnel monitoring alarm system.

Background

At the hidden traffic intersection with dense green belts or villages, electric vehicles and pedestrians can walk on roads at will, when the speed is high or the safety consciousness is poor, vehicles which are running fast cannot brake promptly, casualties are possibly caused, and therefore a monitoring and warning device needs to be arranged at the similar intersection to guarantee the life safety of the pedestrians.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a no traffic lights crossing personnel monitoring alarm system can detect whether there is the pedestrian of removal in crossing department and inform the driver in going to slow down according to the testing result, protection pedestrian's safety.

The technical scheme is as follows: the utility model relates to a personnel monitoring and alarming system for a traffic-light-free intersection and a control circuit; the moving object monitoring sensor is electrically connected with the control circuit, and the monitoring range of the moving object monitoring sensor covers the intersection; the photosensitive sensor is electrically connected with the control circuit; the alarm display circuit is electrically connected with the control circuit; and the power storage and supply circuit is electrically connected with the control circuit, the moving object monitoring sensor, the photosensitive sensor and the alarm display circuit respectively.

Furthermore, the control circuit comprises a minimum system consisting of a single chip microcomputer and a peripheral circuit.

Further, the moving object monitoring sensor comprises one or two of a pyroelectric sensor and an ultrasonic detector, and is arranged on a vertical rod of the intersection.

Further, the alarm display circuit comprises a plurality of LED lamps with different colors, and the LED lamps are arranged at the edge of the intersection or on the road.

Furthermore, the LED lamps are buried lamp bars, and the buried lamp bars are arranged in parallel at intervals along the direction perpendicular to the road traveling direction.

Furthermore, the power storage and supply circuit comprises a solar module, a voltage stabilizing circuit, a storage battery and a power supply change-over switch, wherein the voltage stabilizing circuit and the storage battery are electrically connected with the power supply change-over switch, the power supply change-over switch is electrically connected with the control circuit, and the solar module is electrically connected with the storage battery.

Furthermore, the voltage stabilizing circuit comprises a switch power supply, a first voltage stabilizing chip and a second voltage stabilizing chip, wherein the input end of the switch power supply is connected with the mains supply, the input end of the first voltage stabilizing chip is electrically connected with the output end of the switch power supply through the power supply changeover switch, and the input end of the second voltage stabilizing chip is electrically connected with the output end of the second voltage stabilizing chip.

Has the advantages that: compared with the prior art, the utility model has the advantages of as follows: whether pedestrians or electric vehicles exist at the road junction can be monitored, and the driver is mainly warned through light to decelerate the driver, so that traffic accidents are avoided from hurting the pedestrians. Meanwhile, the power supply is independent, so that the power supply device is convenient to use in remote areas.

Drawings

Fig. 1 is a system block diagram of a personnel monitoring and alarming system of a traffic-light-free intersection according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a control circuit according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a power storage and supply circuit according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a first voltage regulation chip according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a second voltage regulation chip according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a crossing layout according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1, according to the utility model discloses no traffic lights crossing personnel monitoring alarm system, including control circuit and rather than electric connection's moving object monitoring sensor 200, photosensitive sensor and report an emergency and ask for help or increased vigilance the display circuit, still including being used for the storage power supply circuit for above-mentioned sensor and circuit power supply. The monitoring range of the moving object monitoring sensor 200 needs to cover the intersection, when a pedestrian or a pedestrian riding an electric vehicle passes through the intersection or arrives at the edge of the intersection to prepare to pass through the intersection, the pedestrian or the pedestrian can be detected by the moving object monitoring sensor 200, and the control circuit controls the alarm display circuit to send out visual warning information according to the feedback result of the moving object monitoring sensor 200 to inform a driver on a road to decelerate or stop for giving way, so that traffic accidents at the intersection without traffic lights are avoided, and the casualties of the pedestrian are caused. The photosensitive sensor monitors the ambient light intensity and feeds the light intensity back to the control circuit, and the control circuit adjusts the brightness of the warning display circuit according to the light intensity to ensure that the visual warning information sent by the warning display circuit can be clearly visible under any conditions. The whole system is simple in structure and easy to implement at rural intersections or intersections with more greenness and no traffic lights.

Referring to fig. 2, in some embodiments, the control circuit is a minimal system composed of a single chip, and includes a single chip and peripheral circuits, where the peripheral circuits include a crystal oscillator circuit, a download debugging circuit, a reset circuit, and the like. In this embodiment, the single chip microcomputer of the model STM2f103c8t6 is selected for use, and a JTAG download debugging circuit is adopted.

In some embodiments, the moving object monitoring sensor 200 may be a pyroelectric sensor or an ultrasonic detector, or both, and the moving object monitoring sensor 200 is disposed on a pillar near the intersection. It is to be understood that the moving object monitoring sensor 200 may also be a camera. Referring to fig. 6, in the present embodiment, the moving object monitoring sensor 200 is a plurality of pyroelectric sensors, and the monitoring range covers most of the intersection, and can monitor pedestrians walking in the intersection and ready to pass through the intersection at the edge of the intersection or pedestrians riding non-motor vehicles.

In some embodiments, the warning display circuit includes a plurality of different color LED lamps 100, and the LED lamps 100 are disposed in the middle of the road or at the edge of the intersection, and emit different color lights to warn the driver on the road, so that the lights are easy to be observed. Referring to fig. 6, in the present embodiment, the LED lamps 100 are buried lamp bars, and are arranged in parallel at intervals in a direction perpendicular to a road traveling direction. The LED lamp 100 comprises red, yellow, green, blue and white and gray, which are respectively connected with pins 13 to 18 of the single chip microcomputer.

Referring to fig. 3 to 5, in some embodiments, the power storage and supply circuit includes a solar module, a voltage stabilizing circuit, a storage battery, and a power switch, wherein the voltage stabilizing circuit is electrically connected to the storage battery and the power switch, the solar module is electrically connected to the storage battery, and the power switch is electrically connected to the control circuit. When the photosensitive sensor monitors ambient light, the power supply change-over switch is controlled to switch different power supply modes through detected ambient light intensity, when the ambient light intensity is detected, the solar module directly supplies power, and redundant electric quantity sent by the solar panel connected with the solar module is stored in the storage battery. When the ambient light is weakened, the electric energy in the storage battery is preferentially used, and when the electric energy in the storage battery is insufficient, the power supply change-over switch is controlled to be switched to the voltage stabilizing circuit, and the commercial power is adopted for supplying power. According to the traffic-light-free intersection personnel monitoring and alarming system in the technical scheme, independent power supply can be basically realized in a time period with sufficient sunlight, and the system is suitable for remote areas such as villages.

Referring to fig. 4 to 5, in some embodiments, the voltage stabilizing circuit includes a switching power supply, a first voltage stabilizing chip and a second voltage stabilizing chip, an input terminal of the switching power supply is electrically connected to the utility power, and an input terminal of the first voltage stabilizing chip is electrically connected to an output terminal of the switching power supply through a power switch, so as to convert the 12V dc power supplied through the power switch into 5V dc power. The input end of the second voltage stabilizing chip is electrically connected with the output end of the first voltage stabilizing chip, and 5V direct current converted by the first voltage stabilizing chip is converted into 3.3V direct current. In this embodiment, the first voltage regulation chip and the second voltage regulation chip are both LM1084 series voltage regulation chips.

Claims

1. There is not traffic lights crossing personnel monitoring alarm system, its characterized in that includes:

a control circuit;

the mobile object monitoring sensor (200) is electrically connected with the control circuit, and the monitoring range of the mobile object monitoring sensor (200) covers the intersection;

the photosensitive sensor is electrically connected with the control circuit;

the alarm display circuit is electrically connected with the control circuit;

and the power storage and supply circuit is electrically connected with the control circuit, the moving object monitoring sensor (200), the photosensitive sensor and the alarm display circuit respectively.

2. The system of claim 1, wherein the control circuit comprises a minimal system of a single chip and peripheral circuits.

3. The personnel monitoring and alarming system at the intersection without the traffic light as recited in claim 1, wherein the moving object monitoring sensor (200) comprises one or both of a pyroelectric sensor and an ultrasonic detector, and the moving object monitoring sensor (200) is arranged on a vertical rod of the intersection.

4. The intersection personnel monitoring and alarming system without the traffic light as recited in claim 1, wherein the alarm display circuit comprises a plurality of LED lamps (100) with different colors, and the LED lamps (100) are arranged at the edge of the intersection or on the road.

5. The traffic-light-free intersection personnel monitoring and alarming system as recited in claim 4, wherein the LED lights (100) are buried light bars which are arranged in parallel at intervals along the direction perpendicular to the road.

6. The traffic-light-free intersection personnel monitoring and alarming system as recited in claim 1, wherein the power storage and supply circuit comprises a solar module, a voltage stabilizing circuit, a storage battery and a power supply switch, the voltage stabilizing circuit and the storage battery are electrically connected with the power supply switch, the power supply switch is electrically connected with the control circuit, and the solar module is electrically connected with the storage battery.

7. The personnel monitoring and alarming system at the intersection without the traffic light as claimed in claim 6, wherein the voltage stabilizing circuit comprises a switching power supply, a first voltage stabilizing chip and a second voltage stabilizing chip, wherein the input end of the switching power supply is connected with the mains supply, the input end of the first voltage stabilizing chip is electrically connected with the output end of the switching power supply through the power supply changeover switch, and the input end of the second voltage stabilizing chip is electrically connected with the output end of the second voltage stabilizing chip.