Intelligent zebra crossing system based on traffic light conversion control

A technology of transformation control and zebra crossing, applied in the field of zebra crossing system, can solve problems such as wet road surface and poor road sight distance, and achieve the effect of reducing the probability of accidents and reducing traffic safety accidents

Active Publication Date: 2021-11-09
WUHAN BUSINESS UNIV
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AI-Extracted Technical Summary

Problems solved by technology

Poor road visibility and wet roads...
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Method used

Dangerous intersections include darker light at night, large flow of people, and frequent accidents. When the system is set at darker intersections at night, the red and white light strips can also warn pedestrians and illuminate drivers. role. It avoids accidents caused by too dark light at night. This system is synchronized with the traffic lights and directly displays the traffic signals on the ground, providing a more intuitive feeling for pedestrians with poor sight distance and people with weak traffic awareness, such as the elderly.
Night mode and day mode of the present invention are set by light intensity, and light intensity is lower than a certain preset value, then enters night mode, and light intensity is higher than a certain preset value, then enters day mode, rather than passing time Distinguish, this is more practical, if only through fixed time analysis, it may lead to extreme weather during the day such as thunderstorms, the weather is dark, but the whole system is still ...
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Abstract

The invention discloses an intelligent zebra crossing system based on traffic light conversion control, which comprises a zebra crossing, a control unit and sidewalk traffic lights. The zebra crossing is detachably laid in a sidewalk area of a road, and a zebra crossing moving mechanism can drive the zebra crossing to move to be close to or far away from a preset area of the sidewalk; the control unit is connected to a sidewalk traffic light, the zebra crossing moving mechanism and the floor lamp. The zebra crossing is controlled to be converted into different forms through the change of the traffic lights of the sidewalk, when the pressure sensor detects that someone runs the red light, the alarm is triggered to give an alarm, pedestrians who do not comply with traffic rules are recorded through the camera, and photos are transmitted to the public in an LED screen playing mode. Therefore, the purpose of warning pedestrians to comply with traffic rules is achieved.

Application Domain

Control with pedestrian guidance indicatorTraffic signals +2

Technology Topic

Embedded systemRed light +4

Image

  • Intelligent zebra crossing system based on traffic light conversion control

Examples

  • Experimental program(1)

Example Embodiment

[0029] The present invention will be further described below in conjunction with the accompanying drawings to make those skilled in the art with reference to the specification.
[0030] The following description is used to disclose the invention to enable those skilled in the art. The embodiments described below as a preferred way of example only, those skilled in the art may envision other modifications apparent. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, and other technical solutions, and other technical solutions not departing from the spirit and scope of the invention.
[0031] Those skilled in the art will appreciate that in the disclosure of the present invention, the term "longitudinal", "horizontal", "upper", "lower", "front", "post", "left", "right", " The orientation or positional relationship between "," horizontal "," top "," bottom "," outside ", etc. is based on the orientation or positional relationship shown in the drawings, which is intended to describe the present invention and Simplify the description, rather than indicating or implying that the device or element must have a specific orientation, constructed and operated in a particular orientation, so the above terms are not to be construed as limiting the invention.
[0032] It will be appreciated that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in additional embodiments, the component The quantity can be multiple, and the term "one" cannot be understood as a limit of the number.
[0033] like figure 1 Shown, a preferred embodiment of the present invention provides an intelligent system based on the crossing traffic light change control, including zebra, sidewalks and traffic light control unit, crossing the road is removably laid on the sidewalk area, crossing moving mechanism drive crossing movement, toward or away from the preset region sidewalk, the control unit is connected to the traffic light walkway, said moving mechanism and said crossing lights; the control unit equipped day mode,
[0034] When the control unit is in daylight mode,
[0035] When the sidewalk traffic light turns into a red light, the control unit controls the zebra-wire mechanism to drive the zebra shift from the extension of the sidewalk;
[0036] When the sidewalk traffic light becomes a green light, the control unit controls the zebra shimming mechanism to drive the zebra shift close to the sidewalk area, and lay the zebra crossing in the preset area.
[0037] Compared to ordinary crossing, the present invention provides a novel crossing, while in the daytime mode, when the pavement is a red light, will lead crossing move away from its original position so that the zebra looks like disappear, not to alert pedestrians by the time the green light, will lead the zebra crossing is moved so that the zebra crossing back to the original position, looks like a zebra reproduce; as a result, even if the bow play phone owners, its bow play phone at the same time, there is no ground to see the zebra crossing, naturally be wary of road conditions.
[0038] Specific forms of the structure crossing the moving mechanism is not limited as long as it can be driven to move the crossing. Control unit controls the moving mechanism drives the zebra crossing is moved away from or close to a preset back sidewalk area, highly automated.
[0039] In order to reduce the difficulty of moving the crossing movement, zebra set thinner lighter flake, zebra crossing moving side clamp mechanism may be, or may be located below the crossing.
[0040] Zebra crossing the moving mechanism can be moved to a predetermined area of ​​the walkway left and right sides, or diagonally upward, most preferably obliquely upward, so that the pedestrian will not cause any impact on the road surface, and does not affect the running of the vehicle and from the field of view.
[0041] Night mode of the invention and the light intensity setting daytime mode, the light intensity is below a predetermined value, into the night mode, the light intensity is higher than a predetermined value, the process proceeds to the day mode, not distinguished by time, and more practical, if only by analyzing a fixed period of time, could cause extreme weather such as during the day when the thunderstorms, the weather gloomy, but the whole system is still in day mode, it will bring all kinds of inconvenience.
[0042] The zebra-based intelligent traffic light system further comprises a conversion control photosensor, which detects the lighting conditions in the environment, the photosensitive sensor is connected to the control unit,
[0043] Said control unit is further arranged night mode, when the photo sensor detects the light intensity is less than a preset value, the control unit enters the night mode. When the photosensor detects the light intensity exceeds a preset value, the control unit enters the day mode.
[0044] A preferred embodiment of the present invention, the crossing interleaved formed of a black region and a white region, is attached to the lamp, the lamp can emit a plurality of colors under white light region of the crossing;
[0045]When the sidewalk traffic light turns into red light, the control unit controls the ground lamp to issue a red light;
[0046] When the sidewalk traffic light turns green light, the control unit controls the ground lamp to send a white light. The ground light is an LED lamp that can emit a variety of colors.
[0047] When the local light emits a variety of colors, the zebra crossing is presented as a few white or red light, and has a warning effect while having illumination. During the night, due to deeper clothes dressing, the probability of incidence is also greatly reduced;
[0048] The dangerous intersection includes the intersection of the evening light, large traffic, frequent accidents, this system is set in the intersection of the night light, and the red white lights can be warned by pedestrians, lighting, can also achieve the role of the driver. Avoid the occurrence of an accident due to the light of light at night. The system is synchronized with traffic signals, directly displaying traffic signals on the ground, providing more intuitive feelings for pedestrians who are poor, those who are weak, such as elderly, etc.
[0049] In another embodiment of the present invention, the intelligent zebra wire system based on the conversion control based on the red-green lamp further includes a pressure sensor, the pressure sensor being laid on a preset region or zebra crossing of a sidewalk, the pressure sensor connected to the control. unit. Preferably, the pressure sensor is a thin film pressure sensor, which can be laid in a preset area of ​​the sidewalk or a zebra crossing, which ensures that all pedestrians stepping into the established area can be induced, ensuring the entire zebra wire system. Accuracy.
[0050] In another embodiment of the invention, the intelligent zebra wire system based on the conversion control based on the traffic light further includes alarm device.
[0051] The pressure sensor has an AD conversion module, and when the pressure sensor is subjected to different weight pedestrians, the weight of the pedestrian will result in different resistance, the AD conversion module converts the change in the resistance into a voltage transformation, when the voltage value is in the pre-voltage value When the range is set, the control unit controls the alarm alert. For pedestrians who fail to pay attention to changes in the signal light, the alarm warning will be triggered.
[0052] In another embodiment of the invention, the intelligent zebra wire system based on the conversion control based on the red-green lamp further includes a photographing device.
[0053] The pressure sensor has an AD conversion module, and when the pressure sensor is subjected to different weight pedestrians, the weight of the pedestrian will result in different resistance, the AD conversion module converts the change in the resistance into a voltage transformation, when the voltage value is in the pre-voltage value When the range is set, the control unit controls the shooting device to take pictures of the illegal person.
[0054] In another embodiment of the present invention, the intelligent zebra wire system based on the conversion control based on the traffic light further includes a display, which is connected to the shooting device.
[0055] After the shooting device is turned on, the photo captured photo captured by the shooting device is shown in the display screen.
[0056] When the pressure sensor detects someone who is red light, trigger the alarm alert, and will also record the pedestrians who will not comply with the traffic rules through the camera, and pass the photos to the public in the way the photos played in the way, to achieve warning pedestrians The purpose of traffic rules.
[0057] In a preferred embodiment of the invention, the control unit is a PLC controller, and the Siemens 1200PLC can be used to achieve automation and intelligence.
[0058] This intelligent zebra crossing system passes through the change of the traffic lights of the sidewalk, and the zebra transmissions are controlled. When the pressure sensor detects someone who is red light, trigger the alarm alert, and will also record the pedestrians who will not comply with traffic rules through the camera, and Passing photos to the public in a way in LED screen, to achieve the purpose of warning pedestrians to comply with traffic rules.
[0059] In addition, it is necessary to explain that the control unit, the photosensitive sensor, the pressure sensor, the alarm, the shooting device, and the display screen can be mounted on the pole of the traffic light, and the zebra crossing and the zebra-wire mechanism are separately installed so that the entire system can be achieved. Convenient to install and disassemble, it can be applied to different situations and has a wide range of applications.
[0060] Although the embodiments of the present invention have been disclosed, it is not limited to the use of the specification and embodiments, which can be applied to various fields suitable for the present invention, which can be easily understood. Additional modifications are implemented, so the invention is not limited to specific details and the description thereof without departing from the general concepts defined by the claims and equivalents.

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