CN216435170U

CN216435170U - Intersection right-turn vehicle signal control device based on pedestrian crossing safety

Info

Publication number: CN216435170U
Application number: CN202123355894.0U
Authority: CN
Inventors: 王敏; 申振武; 段丽
Original assignee: Wuhan Huake Quanda Transportation Planning And Design Consulting Co ltd
Current assignee: Wuhan Huake Quanda Transportation Planning And Design Consulting Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-03
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses an intersection right turn vehicle signal control device based on pedestrian crosses street safety, including singlechip, pedestrian cross the street waiting area, traffic signal lamp, first pedestrian cross the street detection machine, second pedestrian cross the street detection machine, voice prompt, pedestrian crosses the street waiting area and is located two zebra crossing, traffic signal lamp is located the side of vehicle right turn stop line, first pedestrian crosses the street detection machine and is located the rear between vehicle right turn stop line and the adjacent pedestrian cross the street waiting area; the second pedestrian crossing detection machine is positioned behind the right-turn lane to be driven and the adjacent pedestrian crossing waiting area; the voice prompter is arranged behind the pedestrian crossing waiting area, and the traffic signal lamp, the first pedestrian crossing detection machine, the second pedestrian crossing detection machine and the voice prompter are respectively connected with the single chip microcomputer through electric signals. The utility model discloses a detect and be close to right-turn lane certain limit and have or not the pedestrian to pass through, improve pedestrian and driver's vigilance nature.

Description

Intersection right turn vehicle signal control device based on pedestrian crossing safety

Technical Field

The utility model belongs to the technical field of traffic safety protection equipment, more specifically relate to an intersection vehicle signal control device that turns right based on pedestrian crosses street safety.

Background

Among them, the traffic accidents occurring at intersections are in a large proportion, approximately close to 10% of the total number of traffic accidents. Therefore, it is necessary to improve the safety of people and vehicles in the intersection area.

In the existing urban intersection traffic device, a right-turn signal control lamp is not independently arranged usually, so that people and vehicle conflict exists between right-turn vehicles and street-crossing pedestrians, and potential safety hazards are very large. Although some places are provided with yellow flashing light warning at the right turn and are marked with ground characters for asking for courtesy pedestrians on the ground, the motor vehicle is required to decelerate and walk slowly when passing through the zebra crossing, and the pedestrians on the crossing roads can not be completely seen before the right-turn vehicle drives into the crossing, so that a great number of right-turn vehicles drive into the crossing and collide and disorder with the pedestrians passing the crossing roads in the crossing range; not only reduces the traffic capacity, but also seriously threatens the life safety of the street-crossing pedestrians. Therefore, for the plane intersection, especially for the plane intersection with the serious conflict between the right-turning vehicle and the pedestrian crossing, on the basis of ensuring the pedestrian to cross the street safely, the right-turning vehicle is scientifically and reasonably controlled by a certain scientific and technological means, and the plane intersection has very important significance in effectively reducing the conflict between the right-turning vehicle and the pedestrian, and improving the traffic efficiency of the intersection and the safety of the pedestrian crossing the street.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of current traffic management means in the aspect of the vehicle management and control of turning right to intersection, the utility model provides an intersection right turn vehicle signal control device based on pedestrian crosses street safety, through the influence regional within range pedestrian crossing the street condition of crossing of detecting intersection within range right turn vehicle orbit and pedestrian's zebra crossing coincidence region and certain expansion, carries out signal control to the vehicle that turns right through the traffic signal lamp that turns right, utilizes voice prompt to send voice warning, warns intersection within range right turn vehicle parking courtesy and crosses the street pedestrian, improves pedestrian intersection and crosses street safety.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an intersection right-turn vehicle signal control device based on pedestrian street-crossing safety comprises a single chip microcomputer, a pedestrian street-crossing waiting area, a traffic signal lamp, a first pedestrian street-crossing detector, a second pedestrian street-crossing detector and a voice prompter, wherein the pedestrian street-crossing waiting area is located at the intersection of two zebra crossing lines, the traffic signal lamp is located on the side edge of a vehicle right-turn stop line, and the first pedestrian street-crossing detector is located behind the position between the vehicle right-turn stop line and an adjacent pedestrian street-crossing waiting area; the second pedestrian crossing detection machine is positioned behind the right-turn lane to be driven and the adjacent pedestrian crossing waiting area; the voice prompter is arranged behind the pedestrian crossing waiting area, and the traffic signal lamp, the first pedestrian crossing detection machine, the second pedestrian crossing detection machine and the voice prompter are respectively connected with the single chip microcomputer through electric signals.

As a further preferred aspect of the technical solution of the present invention, the voice prompt further comprises a warning sign, and the warning sign is located at one side of the voice prompt.

Through the technical scheme, the utility model discloses following beneficial effect has:

the utility model provides a pair of crossing turn right vehicle signal control device based on pedestrian crosses street safety detects machine, second pedestrian crossing the street and detects whether the influence area that crossing right turn vehicle travelling track and pedestrian's zebra crossing coincidence region and certain expansion has the pedestrian to pass through or is preparing to get into through the first pedestrian crossing the street detection machine to the signal phase place of control turn right traffic signal lamp specifically does: (1) if pedestrians pass through or are ready to enter in the overlapping area of the right-turn lane and the pedestrian crossing and a certain expanded influence area, the right-turn traffic signal lamp is changed into a red light, and then subsequent right-turn vehicles are not allowed to drive into the intersection; and the voice prompter sends out warning voice to warn the right-turning vehicle which has driven into the intersection to stop immediately to give way to the pedestrians crossing the street; (2) if no pedestrian is ready to enter the overlapping area of the right-turn lane and the pedestrian crossing and the certain enlarged influence area, the right-turn traffic signal lamp is changed into a green lamp, and the subsequent right-turn vehicle is allowed to enter the intersection. In addition, through setting up warning traffic sign, remind the pedestrian to notice the vehicle that turns to the right, reach the purpose of reminding pedestrian crossing the street and the vehicle that turns to the right simultaneously and pay attention to safety, ensure the safe of people's car and pass through.

Drawings

Fig. 1 is the schematic diagram of the intersection right turn vehicle signal control device of the utility model.

Wherein, 1, pedestrians cross a waiting area; 2. a traffic light; 3. a first pedestrian crossing detector; 4. a second pedestrian crossing detection machine; 5. a voice prompter; 6. provided is a warning sign.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example 1

Referring to fig. 1, the intersection right-turn vehicle signal control device based on pedestrian street-crossing safety comprises a single chip microcomputer, a pedestrian street-crossing waiting area 1, a traffic signal lamp 2, a first pedestrian street-crossing detector 3, a second pedestrian street-crossing detector 4 and a voice prompter 5, wherein the pedestrian street-crossing waiting area 1 is located at the intersection of two zebra crossings, the traffic signal lamp 2 is located on the side edge of a vehicle right-turn stop line, and the first pedestrian street-crossing detector 3 is located behind the position between the vehicle right-turn stop line and an adjacent pedestrian street-crossing waiting area 1; the second pedestrian crossing detection machine 4 is positioned behind the right-turn lane to be driven and the adjacent pedestrian crossing waiting area 1; the voice prompter 5 is arranged behind the pedestrian crossing waiting area 1, and the traffic signal lamp 2, the first pedestrian crossing detection machine 3, the second pedestrian crossing detection machine 4 and the voice prompter 5 are respectively connected with the single chip microcomputer through electric signals.

In the above device, the first pedestrian crossing detection machine 3 and the second pedestrian crossing detection machine 4 respectively detect whether pedestrians pass through or are ready to enter the right-turn vehicle driving track and the overlapping area of the pedestrian zebra crossing and the certain enlarged influence area within the intersection range, taking fig. 1 as an example, the first pedestrian crossing detection machine 3 detects whether pedestrians pass through the right-turn vehicle driving track of the north entrance and the overlapping area of the pedestrian crossing and the certain enlarged influence area, the second pedestrian crossing detection machine 4 detects whether pedestrians pass through the right-turn vehicle driving track of the west exit and the overlapping area of the pedestrian crossing and the certain enlarged influence area, wherein the enlarged influence area is: the pedestrian zebra crossing range of a certain area outside the envelope Dm of the right-turn vehicle running track in the intersection of the road can meet the following conditions: when a right-turning vehicle just drives into the intersection, a pedestrian enters the detection area in a positive value, and the pedestrian does not reach the edge of the right-turning vehicle running track envelope curve in the intersection according to the designed walking speed. Preferably, the value of D is 1-3 m, and the specific numerical value can be determined according to the actual conditions (such as turning radius) of the road intersection and the designed walking speed.

In the device, the traffic signal lamp is used for controlling whether the right-turning vehicle can drive into the intersection of the road, is communicated with the street crossing detection electromechanical signal, and is used for controlling whether the right-turning vehicle is allowed to pass according to the street crossing condition of the pedestrian in the current detection area.

In the above device, the voice prompter 5 judges whether to send out warning voice according to the pedestrian crossing condition in the current detection area: if the pedestrian is detected to pass, a voice prompt is sent out to warn the right-turn vehicle which drives into the intersection to stop immediately to give way to the pedestrian crossing.

As a further preferable feature of the technical solution of this embodiment, the mobile phone further includes a warning sign 6, and the warning sign 6 is located near one side of the voice prompt. Through the setting of warning sign 6, further remind pedestrian and the right turn vehicle to pay attention to safety, it is prudent to pass through.

The specific control method of the device is as follows:

(1) when a pedestrian passes through or enters the detection area of the pedestrian crossing detection machine 3 or the pedestrian crossing detection machine 4, the corresponding right-turn traffic signal lamp 2 immediately turns into a red light, namely, the following right-turn vehicles are not allowed to drive into the intersection; meanwhile, the voice prompter 5 sends out warning voice to warn the right-turning vehicle which drives into the intersection to stop immediately to give way to the pedestrians crossing the street;

(2) when no pedestrian passes through or enters the detection area of the pedestrian crossing detection machine 3 or the pedestrian crossing detection machine 4, the corresponding right-turn traffic signal lamp 2 is changed into a green lamp, namely, the right-turn vehicle is allowed to drive into the intersection.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An intersection right-turn vehicle signal control device based on pedestrian street-crossing safety comprises a single chip microcomputer and is characterized by further comprising a pedestrian street-crossing waiting area (1), a traffic signal lamp (2), a first pedestrian street-crossing detection machine (3), a second pedestrian street-crossing detection machine (4) and a voice prompter (5), wherein the pedestrian street-crossing waiting area (1) is located at the intersection of two zebra crossings, the traffic signal lamp (2) is located on the side edge of a vehicle right-turn stop line, and the first pedestrian street-crossing detection machine (3) is located behind the position between the vehicle right-turn stop line and an adjacent pedestrian street-crossing waiting area (1); the second pedestrian crossing detection machine (4) is positioned behind the right-turn lane to be driven and the adjacent pedestrian crossing waiting area (1); the voice prompter (5) is arranged behind the pedestrian crossing waiting area (1), and the traffic signal lamp (2), the first pedestrian crossing detection machine (3), the second pedestrian crossing detection machine (4) and the voice prompter (5) are respectively connected with the single chip microcomputer electric signals.

2. The intersection right-turn vehicle signal control device based on pedestrian street-crossing safety as claimed in claim 1, characterized by further comprising a warning sign (6), wherein the warning sign (6) is positioned at one side of the voice prompter (5).