CN111145591A - Pedestrian red light running early warning system and method based on vehicle networking - Google Patents
Pedestrian red light running early warning system and method based on vehicle networking Download PDFInfo
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Abstract
The invention discloses a pedestrian red light running early warning system and method based on an internet of vehicles, wherein the system comprises a left upright post and a right upright post which are arranged at the inlet side of a zebra crossing, and an infrared sensing device, a pedestrian side core processing module, a pedestrian side internet of vehicles communication module, a vehicle side core processing module and a vehicle side internet of vehicles communication module are arranged on the left upright post and the right upright post; the infrared sensing device is connected with the pedestrian side core processing module, the pedestrian side Internet of vehicles communication is connected with the pedestrian side core processing module, the vehicle side core processing module is connected with the vehicle side Internet of vehicles communication module, and the pedestrian side Internet of vehicles communication module is in signal connection with the vehicle side Internet of vehicles communication module; the infrared sensor is arranged to detect whether the pedestrian runs the red light, when the pedestrian runs the red light, the infrared sensor transmits a signal to the core processing module at the vehicle side, and after the data is screened, the driver is prompted that the pedestrian runs the red light, and the processing is performed in time.
Description
Technical Field
The invention belongs to the technical field of traffic safety, and particularly relates to a pedestrian red light running early warning system and method based on an internet of vehicles.
Background
With the development of urbanization and road construction in China, intersections in cities are more and more complex, and urban population and motor vehicles are rapidly increased. The traffic consciousness and the safety consciousness of the pedestrians are different, so that the phenomena that the pedestrians violate traffic rules and run red light often occur, and huge potential safety hazards are brought to road traffic. Every year, traffic accidents caused by pedestrians running red light are high, so that a lot of casualty accidents are caused, and property loss of vehicles and other public facilities reaches billions of yuan. Therefore, the problem that the existing traffic intersection runs red light cannot be well solved due to the fact that the road traffic behavior of pedestrians is expected to be standardized. The collision of the driver to the pedestrian running the red light is mainly caused by the following factors:
1. when the vehicle normally passes on the non-rightmost road, the vehicle on the right blocks the pedestrian running the red light from the right due to the static passing of the red light, and the pedestrian is easily collided by the vehicle which is commonly called as a ghost probe.
2. The speed of the pedestrian running the red light is too high, so that the driver has no time to react or the driver relies too much on the traffic light rule to cause the pedestrian not looking at the pedestrian running the red light to collide with the pedestrian.
The existing pedestrian red light running early warning system only performs machine intervention to achieve the function of reminding and cannot forcibly block the passing of pedestrians, so that once a pedestrian forcibly runs a red light, the pedestrian is likely to be collided by a normally running vehicle, and therefore early warning is necessary to be performed on a driver when the pedestrian runs the red light.
The existing red light running early warning system is a pedestrian red light running early warning system, which is used for early warning pedestrians; the early warning system for the vehicle running the red light is used for early warning a driver. Without considering the influence on traffic safety when pedestrians forcibly run the red light. Therefore, it is necessary to give warning to drivers who normally pass but do not have precaution.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provide a pedestrian red light running early warning system and method based on an internet of vehicles, and a driver is early warned when a pedestrian runs a red light.
The invention also aims to provide a control method of the pedestrian red light running early warning system based on the vehicle-to-vehicle network.
In order to achieve the first purpose, the invention adopts the following technical scheme:
a pedestrian red light running early warning system based on an Internet of vehicles comprises a left upright post and a right upright post which are arranged on the inlet side of a zebra crossing, wherein infrared sensing devices, a pedestrian side core processing module, a pedestrian side Internet of vehicles communication module, a vehicle side core processing module and a vehicle side Internet of vehicles communication module are arranged on the left upright post and the right upright post; the infrared sensing device is connected with the pedestrian side core processing module, the pedestrian side core processing module is connected with the pedestrian side Internet of vehicles communication module, the vehicle side core processing module is connected with the vehicle side Internet of vehicles communication module, and the pedestrian side Internet of vehicles communication module is in signal connection with the vehicle side Internet of vehicles communication module;
the infrared sensing device is used for detecting whether a pedestrian runs the red light;
the pedestrian side core processing module is used for starting the infrared detection device when the infrared sensing device receives a red light signal, controlling the pedestrian side internet-of-vehicle communication module if a pedestrian runs the red light, and sending the red light running and the position information of the pedestrian side internet-of-vehicle communication module;
the pedestrian-side Internet of vehicles communication module is used for sending the red light running and the position information of the pedestrian-side Internet of vehicles communication module;
the vehicle-side core processing module is used for controlling the vehicle-side internet-of-vehicle communication module to receive information sent by other pedestrian-side internet-of-vehicle communication modules, screening out information meeting the early warning of pedestrian running red light, and driving the early warning device to perform early warning if the information meets the early warning;
and the vehicle-side vehicle networking communication module is used for receiving information sent by other pedestrian-side vehicle networking communication modules.
As a preferred technical scheme, the infrared sensing device comprises a receiving infrared sensor and a sending infrared sensor, one end of the infrared sensing device receives a red light signal and judges whether the infrared sensing device is in a red light state, and the other end of the infrared sensing device is used for opening the infrared sensing device and detecting whether a pedestrian passes through the infrared sensing device.
According to the preferable technical scheme, the pedestrian side core processing module and the vehicle side internet of vehicles communication module respectively comprise a single chip microcomputer, a PLC and a peripheral circuit, and the PLC, the single chip microcomputer and the peripheral circuit are connected.
According to a preferable technical scheme, the pedestrian side vehicle networking communication module and the vehicle side vehicle networking communication module respectively comprise a DSRC communication machine, an LTE-V communication machine and a 5G micro-cellular base station, and the DSRC communication machine and the LTE-V communication machine are in communication connection with the 5G micro-cellular base station.
As a preferable technical solution, the pedestrian-side vehicle networking communication module and the vehicle-side vehicle networking communication module adopt a 5G communication technology.
As a preferred technical scheme, the early warning notification module comprises a CAN bus and a sound device of a vehicle, the CAN bus is accessed through the Kvaser module and is connected through a line, and the driver drives the sound device to send out a sound signal through the CAN bus to remind a driver.
In order to achieve the second object, the invention adopts the following technical scheme:
an early warning method of a pedestrian red light running early warning system based on a vehicle networking comprises the following steps:
when the red light is on, the infrared sensing device on the upright post receives a signal to turn on the infrared transmitter until the green light is on;
if a pedestrian runs the red light in the red light lighting time period, triggering the infrared sensing device, converting the red light into an early warning signal after the red light passes through the processing of the pedestrian side core processing module, and sending the early warning signal by the pedestrian side internet of vehicles communication module;
vehicle side car networking communication module receives the signal that pedestrian side car networking communication module sent, and vehicle side core processing module is selected and is located vehicle place ahead right side and the signal at a certain distance apart to remind the driver through CAN bus drive stereo set.
As a preferred technical scheme, the vehicle side core processing module screens out signals which are located on the right side in front of the vehicle and are at a certain distance, and specifically comprises the following steps:
analyzing the angle a of a signal source, and selecting a signal positioned on the front right side, namely increasing the angle in a clockwise direction by taking the driving direction of the vehicle as 0 degrees, wherein a is more than or equal to 0 degrees and less than 90 degrees;
and selecting the distance, and acquiring the current position information of the vehicle through a GPS or Beidou satellite so as to obtain the distance from the signal source intersection.
As the preferred technical scheme, the early warning distance is set to be 40 m.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the infrared sensor is arranged to detect whether the pedestrian runs the red light, when the pedestrian runs the red light, the infrared sensor transmits a signal to the core processing module at the vehicle side, and after the data is screened, the driver is prompted to have the person run the red light, and the processing is carried out in time.
2. The pedestrian red light running early warning system can be used in combination with a pedestrian red light running early warning device for early warning pedestrians, so that the pedestrian red light running early warning system can be used for early warning pedestrians and drivers, and finally, accidents possibly caused by red light running are reduced to the minimum or no.
Drawings
Fig. 1 is a schematic structural diagram of a pedestrian red light running early warning system based on an internet of vehicles.
Fig. 2 is a flow chart of a method of the pedestrian red light running early warning system based on the internet of vehicles.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Examples
As shown in fig. 1, the pedestrian red light running early warning system based on the vehicle interconnection network comprises a left upright post and a right upright post which are arranged at the entrance side of a zebra crossing, wherein infrared sensing devices, a pedestrian side core processing module, a pedestrian side vehicle networking communication module, a vehicle side core processing module and a vehicle side vehicle networking communication module are arranged on the left upright post and the right upright post; the infrared sensing device is connected with the pedestrian side core processing module, the pedestrian side Internet of vehicles communication is connected with the pedestrian side core processing module, the vehicle side core processing module is connected with the vehicle side Internet of vehicles communication module, and the pedestrian side Internet of vehicles communication module is in signal connection with the vehicle side Internet of vehicles communication module;
the infrared sensing device is used for detecting whether a pedestrian runs the red light;
the pedestrian side core processing module is used for starting the infrared detection device when the infrared sensing device receives a red light signal, controlling the pedestrian side internet-of-vehicle communication module if a pedestrian runs the red light, and sending the red light running and the position information of the pedestrian side internet-of-vehicle communication module;
the pedestrian-side Internet of vehicles communication module is used for sending the red light running and the position information of the pedestrian-side Internet of vehicles communication module;
the vehicle-side core processing module is used for controlling the vehicle-side internet-of-vehicle communication module to receive information sent by other pedestrian-side internet-of-vehicle communication modules, screening out information meeting the early warning of pedestrian running red light, and driving the early warning device to perform early warning if the information meets the early warning;
and the vehicle-side vehicle networking communication module is used for receiving information sent by other pedestrian-side vehicle networking communication modules.
Furthermore, infrared induction system includes a receipt infrared sensor and a transmission infrared sensor, infrared induction system one end is received the red light signal, judges whether be in the red light state, and infrared induction system is opened to the other end for detect have the pedestrian to pass through.
Further, pedestrian side core processing module and vehicle side car networking communication module all include singlechip, PLC and peripheral circuit, PLC, singlechip and peripheral circuit connect.
Further, the pedestrian side vehicle networking communication module and the vehicle side vehicle networking communication module both comprise a DSRC communication machine, an LTE-V communication machine and a 5G micro-cellular base station, and the DSRC communication machine and the LTE-V communication machine are in communication connection with the 5G micro-cellular base station.
The pedestrian side vehicle networking communication module and the vehicle side vehicle networking communication module adopt a 5G communication technology, and the 5G technology and the 5G network have the main advantages that the data transmission rate is far higher than that of the previous cellular network, can reach 10Gbit/s at most, is faster than that of the current wired internet, and is 100 times faster than that of the previous 4GLTE cellular network. Another advantage is lower network delay (faster response time), below 1 millisecond, and 30-70 milliseconds for 4G. Because the data transmission is faster, the 5G network can not only provide service for the mobile phone, but also play a great role in the traffic safety field of the embodiment.
Furthermore, the early warning notification module comprises a CAN bus and a sound device of a vehicle, the CAN bus CAN be accessed through but not limited to the Kvaser module, the connection is carried out through a line, and the driver drives the sound device to send out a sound signal to remind a driver through the CAN bus.
As shown in fig. 2, another embodiment of the present invention provides an early warning method for a pedestrian red light running early warning system based on an internet of vehicles, including the following steps:
s1, when the red light is on, the infrared sensing device on the upright post receives the signal to turn on the infrared emitter, and the infrared emitter is turned off until the green light is on;
s2, if a pedestrian runs the red light in the red light lighting time period, triggering an infrared sensing device, converting the red light into an early warning signal after the red light passes through the processing of the pedestrian side core processing module, and sending the early warning signal by the pedestrian side Internet of vehicles communication module;
s3, the vehicle side vehicle networking communication modules receive signals sent by the pedestrian side vehicle networking communication modules, the vehicle side core processing module screens out signals which are located on the right side of the front of the vehicle and are at a certain distance, and the CAN bus drives the sound box to remind a driver.
The vehicle side core processing module screens out the signal that is located vehicle place ahead right side and apart from certain distance, specifically is:
analyzing the angle a of a signal source, and selecting a signal positioned on the front right side, namely increasing the angle in a clockwise direction by taking the driving direction of the vehicle as 0 degrees, wherein a is more than or equal to 0 degrees and less than 90 degrees;
and selecting the distance, and acquiring the current position information of the vehicle through a GPS or Beidou satellite so as to obtain the distance from the signal source intersection.
Wherein, the distance L for starting early warning is obtained by calculation, for example: the speed limit of the urban road is 60km/h (16.7m/s), the response time of a driver is about 1s, and the speed braking distance is about 15m, namely the warning distance L is 16.7 × 1+15 is 31.7m, so that the warning distance can be set to 40 m.
The early warning device can be used in combination with a pedestrian red light running early warning device for early warning pedestrians, so that a set of early warning device for the pedestrian red light running is formed, the early warning can be carried out on the pedestrians, the early warning can also be carried out on a driver, and finally, the purpose of minimizing or eliminating accidents possibly caused by the red light running is achieved.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (9)
1. A pedestrian red light running early warning system based on an Internet of vehicles is characterized by comprising a left upright post and a right upright post which are arranged at the entrance side of a zebra crossing, wherein the left upright post and the right upright post are provided with an infrared sensing device, a pedestrian side core processing module, a pedestrian side Internet of vehicles communication module, a vehicle side core processing module and a vehicle side Internet of vehicles communication module; the infrared sensing device is connected with the pedestrian side core processing module, the pedestrian side Internet of vehicles communication module is connected with the pedestrian side core processing module, the vehicle side core processing module is connected with the vehicle side Internet of vehicles communication module, and the pedestrian side Internet of vehicles communication module is in signal connection with the vehicle side Internet of vehicles communication module;
the infrared sensing device is used for detecting whether a pedestrian runs the red light;
the pedestrian side core processing module is used for starting the infrared detection device when the infrared sensing device receives a red light signal, controlling the pedestrian side internet-of-vehicle communication module if a pedestrian runs the red light, and sending the red light running and the position information of the pedestrian side internet-of-vehicle communication module;
the pedestrian-side Internet of vehicles communication module is used for sending the red light running and the position information of the pedestrian-side Internet of vehicles communication module;
the vehicle-side core processing module is used for controlling the vehicle-side internet-of-vehicle communication module to receive information sent by other pedestrian-side internet-of-vehicle communication modules, screening out information meeting the early warning of pedestrian running red light, and driving the early warning device to perform early warning if the information meets the early warning;
and the vehicle-side vehicle networking communication module is used for receiving information sent by other pedestrian-side vehicle networking communication modules.
2. The pedestrian red light running early warning system based on the vehicle-internet network as claimed in claim 1, wherein the infrared sensing device comprises a receiving infrared sensor and a sending infrared sensor, one end of the infrared sensing device receives a red light signal and judges whether the infrared sensing device is in a red light state, and the other end of the infrared sensing device is used for detecting whether a pedestrian passes through the infrared sensing device.
3. The pedestrian red light running early warning system based on the vehicle networking of claim 1, wherein the pedestrian side core processing module and the vehicle side vehicle networking communication module each comprise a single chip microcomputer, a PLC and a peripheral circuit, and the PLC, the single chip microcomputer and the peripheral circuit are connected.
4. The pedestrian red light running early warning system based on the internet of vehicles as claimed in claim 1, wherein the pedestrian-side internet of vehicles communication module and the vehicle-side internet of vehicles communication module each comprise a DSRC communicator, an LTE-V communicator and a 5G micro-cellular base station, and the DSRC communicator and the LTE-V communicator are in communication connection with the 5G micro-cellular base station.
5. The pedestrian red light running early warning system based on the internet of vehicles as claimed in claim 1, wherein the pedestrian-side internet of vehicles communication module and the vehicle-side internet of vehicles communication module adopt 5G communication technology.
6. The pedestrian red light running early warning system based on the vehicle networking of claim 1, wherein the early warning notification module comprises a CAN bus and a sound of a vehicle, the CAN bus is accessed through the Kvaser module, the connection is performed through a line, and the driver drives the sound to send out a sound signal through the CAN bus to remind the driver.
7. The early warning method of the pedestrian red light running early warning system based on the vehicle networking according to any one of claims 1 to 6, characterized by comprising the following steps:
when the red light is on, the infrared sensing device on the upright post receives a signal to turn on the infrared transmitter until the green light is on;
if a pedestrian runs the red light in the red light lighting time period, triggering the infrared sensing device, converting the red light into an early warning signal after the red light passes through the processing of the pedestrian side core processing module, and sending the early warning signal by the pedestrian side internet of vehicles communication module;
vehicle side car networking communication module receives the signal that pedestrian side car networking communication module sent, and vehicle side core processing module is selected and is located vehicle place ahead right side and the signal at a certain distance apart to remind the driver through CAN bus drive stereo set.
8. The early warning method of the pedestrian red light running early warning system based on the vehicle networking of claim 7, wherein the vehicle side core processing module screens out signals which are located on the right side in front of the vehicle and are at a certain distance, specifically:
analyzing the angle a of a signal source, and selecting a signal positioned on the front right side, namely increasing the angle in a clockwise direction by taking the driving direction of the vehicle as 0 degrees, wherein a is more than or equal to 0 degrees and less than 90 degrees;
and selecting the distance, and acquiring the current position information of the vehicle through a GPS or Beidou satellite so as to obtain the distance from the signal source intersection.
9. The early warning method of the pedestrian red light running early warning system based on the Internet of vehicles according to claim 8, wherein the early warning distance is set to 40 m.
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2019
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| US20140307087A1 (en) * | 2013-04-10 | 2014-10-16 | Xerox Corporation | Methods and systems for preventing traffic accidents |
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Application publication date: 20200512 |