Safety night passing method for pedestrian crossing
The application is a divisional application of an invention patent application with the application date of 2015-03-20, the application number of 201510124342.9 and the name of 'pedestrian crossing night safety traffic method and light projection device'.
Technical Field
The invention discloses a pedestrian crossing night safe passing method, belongs to the technical field of urban street sidewalk safe passing according to the division of an International Patent Classification (IPC), and particularly relates to a pedestrian crossing night safe passing scheme measure.
Background
In urban road traffic regulations, pedestrian crossing facilities such as pedestrian crosswalks, pedestrian crossing overpasses or pedestrian crossing underground tunnels should be arranged at road intersections and road sections where pedestrians cross roads more intensively, wherein the pedestrian crosswalks refer to walking ranges of specified pedestrians crossing lanes marked on the lanes by marked lines such as zebra stripes or other methods. At night or under the condition of bad weather and dark sky, pedestrians pass through the pedestrian crossing without getting the attention of passing vehicles, and traffic accidents occur. At night or in dark environment, the light is poor, and when running vehicles at high speed, pedestrians passing through sidewalks or zebra crossings become dangerous especially, and the potential safety hazard is large.
Disclosure of Invention
The invention provides a pedestrian crossing night safety traffic method, which aims at overcoming the defects of the prior art, and aims to project light on a pedestrian so that a vehicle driver can be warned in advance and can find the pedestrian more clearly to avoid at a reduced speed.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a pedestrian crossing night safety traffic method is characterized in that at least one end of a pedestrian crossing is provided with a light projecting device, the light projecting device can emit horizontal direction fan-shaped projection laser containing more than one layer and projects the horizontal direction fan-shaped projection laser above the pedestrian crossing, the horizontal direction fan-shaped projection laser is projected to form linear laser when encountering obstacles, when pedestrians pass through the pedestrian crossing, the laser is projected to form a luminous warning mark line surrounding the human body, the horizontal luminous warning mark lines of multiple layers are arranged along the longitudinal extension of the height of the human body to form a three-dimensional imaging luminous warning mark, the pedestrians always have the luminous warning mark in the pedestrian crossing process, the dynamic luminous warning mark can give play to the attention of vehicle drivers in advance and can decelerate and avoid, and the pedestrians can more safely cross the pedestrian crossing.
Furthermore, the laser projection device is composed of main components such as a laser projection component, a free weight machine frame, a weight magnetic field damping base and the like, wherein the laser projection component is longitudinally and parallelly arranged on a weight machine part of the free weight mechanism, and each laser projector is adjusted to form horizontal section orientation projection and is longitudinally and parallelly arranged in a corresponding orientation.
Furthermore, the starting side and the terminal side of the pedestrian crossing are respectively provided with two corresponding light projecting devices, and the corresponding light projecting devices on the same side are provided with a plurality of groups of laser transmitters and laser receivers which are matched with each other to form a warning line device for pedestrians to cross the street.
Furthermore, the warning line device is composed of a first warning line and a second warning line, the two warning lines correspond to the matched voice warning when being touched, when the laser receiver detects that the pedestrian touches the first warning line, the voice warning is started, such as ' please return to the safe waiting area ', if the laser receiver touches the second warning line, the voice warning is started, such as ' pay attention to safety! Please quickly pass through the red line zone ".
Furthermore, the upper end of the pedestrian crossing safe passing light projector is provided with a light-gathering light projector for projecting pedestrians.
Furthermore, the light-gathering projector is capable of projecting a spotlight to a pedestrian by spreading the spotlight through a lens in a horizontal cross section or by horizontally arranging high-brightness spotlight LED lamps.
Furthermore, the power supplies of the laser projectors and the light-gathering light projector are connected with the solar panel to realize solar power supply, and the light-operated switch is automatically controlled to achieve the effect of automatically starting light projection under weak light.
The invention can be suitable for urban roads or urban road intersections and road sections with concentrated pedestrian crossing, effectively improves the pedestrian passing safety and has the following advantages and effects:
1. the invention forms the warning sign of the stereoscopic smooth surface by projecting the laser of the multi-layer horizontal cross section on the human body, especially project on the lower limb and foot of the human body with the largest walking action amplitude, can reach the warning effect of the dynamic illuminant when the pedestrian walks, and then draw the attention of the vehicle driver and slow down and avoid in advance effectively, realize the purpose that the pedestrian passes safely;
2. the invention relates to a pedestrian crossing safety traffic light projector, which is provided with a light-gathering light projector with a horizontal section for diffusing and projecting pedestrians, and projects the light onto pedestrians moving on a sidewalk, thereby further improving the brightness of the upper bodies of the pedestrians and improving the traffic safety of the pedestrians; .
3. The power supply mode of the solar energy power generation device can be provided by solar panel power generation, the power supply is connected with the solar panel to realize solar power supply, the solar power generation is a new renewable energy source, the environment cannot be polluted by developing and utilizing solar energy, and the solar energy power generation device is one of the cleanest energy sources and is extremely precious at present when the environment pollution is more and more serious.
4. The pedestrian crossing safe passing light projection device can be automatically powered by solar energy without wiring. The solar panel can be directly installed with the light projecting device in an integrated mode or is additionally provided with a supporting frame for independent installation, the light control switch is used for automatic control, the light intensity automatically starts a light projecting mechanism, and the design goal of convenient installation and automatic control is completely achieved.
5. The invention relates to a pedestrian crossing with dense pedestrian passage, wherein two corresponding light-projecting devices are respectively arranged at two ends of the pedestrian crossing to comprehensively project the pedestrian crossing without dead corners, laser warning lines are arranged on the light-projecting devices at the same end side, the warning line device is composed of a first warning line and a second warning line, the two warning lines are correspondingly matched with each other for voice warning when being touched, when a laser receiver detects that pedestrians touch the first warning line, the voice warning is started, such as ' please return to a safety waiting area ', and if the second warning line is touched, the voice warning is started, such as ' attention to safety! Please quickly pass through the red line zone ". The pedestrian traffic safety awareness is improved, pedestrians are reminded to rapidly cross the road, and the pedestrian traffic safety warning device has the advantages of traffic safety, reasonable design and the like.
Drawings
FIG. 1 is a schematic of the present invention.
FIG. 2 is another schematic of the present invention.
Fig. 3 is a schematic view of a light projector of the concentrating light projector of the present invention.
Fig. 4 is a horizontal line emission diagram of the light projection device of the present invention.
FIG. 5 is a schematic view of the light projector according to the present invention.
Fig. 6 is a top view of the present invention applied to a crosswalk.
Fig. 7 is a schematic view of the present invention applied to a crosswalk configuration.
FIG. 8 is a schematic diagram of the side view effect of the present invention applied to the crosswalk.
FIG. 9 is a schematic diagram of a light projection application of the present invention including a horizontal laser and a light-condensing projector.
FIG. 10 is a schematic view of the present invention applied to various types of pedestrian crossings.
FIG. 11 is a schematic view of the present invention applied to various types of pedestrian crossings.
FIG. 12 is a schematic view of the present invention applied to various types of pedestrian crossings.
Fig. 13 is a schematic view of the laser warning line applied to the pedestrian crossing.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
example (b): referring to fig. 1 to 13, a pedestrian crossing night safe passing method is provided with a light projecting device 1 at least one end of a pedestrian crossing, the device can emit horizontal direction fan-shaped projection laser 101 comprising more than one layer and project the laser above the pedestrian crossing, the horizontal direction fan-shaped projection laser projects the laser to form linear laser when contacting with an obstacle, when a pedestrian passes through the pedestrian crossing, the laser projects the laser to form a luminous warning mark line 100 surrounding the human body, the horizontal luminous warning mark lines of multiple layers are arranged along the longitudinal extension of the human body height, and a three-dimensional imaging luminous warning mark is further formed as shown in fig. 8.
The light projector used in the present invention is a linear laser projector, such as a level line projector of a linear laser level for engineering construction. As shown in fig. 6, light-projecting devices are provided at both end sides of the crosswalk, and in fig. 8, the laser light projected by the light-projecting devices forms warning signs on parts of the human body such as feet and/or lower limbs, and in fig. 9, the light-projecting devices can also project focused illumination light. As shown in fig. 7, one light projector 1 is provided at each of the start end side and the end side of the crosswalk, and each light projector 1 is provided at a position corresponding to the laser projection direction in the same direction as the sight line of the driver of the oncoming vehicle. The number of the light-projecting devices should be designed and installed according to the current requirement of traffic flow. In addition to installing light-projecting devices on both sides of the crosswalk, light-projecting devices may also be installed on the middle isolation section of the crosswalk, as shown in fig. 10, 11 and 12. As shown in fig. 6 and 13, in a pedestrian crossing with dense pedestrian traffic, two corresponding light-projecting devices 1 are respectively arranged at two ends of the pedestrian crossing, and a warning device for pedestrian crossing is formed by a laser emitter and a laser receiver which are matched with each other and arranged on the light-projecting devices corresponding to the same ends, the scheme is suitable for the pedestrian crossing with zebra stripes, the warning device is composed of a first warning line 15 and a second warning line 16, when the laser receiver detects that a pedestrian touches the first warning line, a voice warning is started, such as ' please return to a safety waiting area ', and if the laser receiver detects that the pedestrian touches the second warning line, a voice warning is started, such as ' attention to safety! Please quickly pass through the red line zone ". The safety awareness of the pedestrians is improved, the pedestrians are reminded to rapidly cross the road, the laser light projection range of the pedestrian crossing the traffic is defined as a red line area, and the function of danger warning can be generated for the pedestrians. The multilayer horizontal luminous warning mark lines projected by the light projection device are longitudinally arranged along the height of the body of a person in an extending mode, certainly cannot be projected on the eyes of the person, the longitudinal height of laser projection is set on the lower limbs or feet of the body part of an adult (figure 8) in consideration of the difference of the heights of the pedestrians, and the height is set to be below 50 cm-60 cm above the ground surface on the basis that the longitudinal height of the laser projection does not irradiate the baby (particularly the eyes of the baby) in the baby carriage.
Referring to fig. 1 to 5, a pedestrian crossing safety traffic light projector 1 is composed of a horizontal fan-shaped projection laser projector 11, a free weight rack 14, a weight magnetic field damping base 12, and other major components, wherein the laser projector 11 is longitudinally and parallelly installed on the free weight member of the free weight rack 14, and a non-magnetic metal ingot, such as aluminum ingot, is fixed at the bottom of the free weight member to correspond to the weight magnetic field damping base 12, so that the free weight member can rapidly swing and stop positioning. The horizontal fan-shaped projection laser projector 11 includes a laser projection unit 111 and a diffusion lens 112, and the laser emitted from the laser projection unit 111 passes through the diffusion lens 112 to form a linear laser projected on a horizontal cross section. The diffusion lens 112 used in this embodiment is a cylindrical lens or a wave lens. Horizontal section line-shaped lasers 101 projected by the pedestrian crossing safe traffic light projection device 1 are distributed in parallel in a longitudinal space, and when multi-section lasers are projected on a human body (such as an obstacle 2 in fig. 5), an integral smooth warning sign 100 is formed visually, and particularly, dynamic warning effects can be achieved for pedestrians in walking speed.
The pedestrian crossing safe passing light projector is also provided with a light-gathering light projector 13 for projecting and illuminating pedestrians, or an upper light projector, wherein the light-gathering light projector 13 adopts an energy-saving light source or a light-gathering LED light source, and forms illuminating light with a horizontal section diffused by reflection and a lens, as shown in figures 2, 3 and 9. The light-collecting projector 13 (upper projector) includes a light source group 131, a reflection assembly 132, and a lens 133, as shown in fig. 3B, light emitted from the light source group is reflected by the reflection assembly to be integrated into light-collecting illumination light, and then the light is projected to a pedestrian in a horizontal cross section diffusion manner by the lens to improve the brightness on the pedestrian crossing. The condensing projector 13 (upper projector) may also be used with a horizontal directional diffusion array apparatus using condensing LED light sources, as shown in fig. 3A. The horizontal line projectors and the light-gathering type light projector (upper light projector) are connected with the solar panel to realize solar power supply, and the solar panel 17 shown in figures 8 and 9 can be directly installed with the light projector integrally or additionally provided with a support frame for independent installation. When the light projection device 1 is applied to a pedestrian crossing, as shown in fig. 6 to 13, one or two light projection devices can be respectively arranged at the starting end side and the terminal end side of the pedestrian crossing, a horizontal line light source projected by the light projection devices can be laser or other approximately parallel light sources, and can be projected on a person to form a warning marker.
Fig. 10 to 12 are schematic diagrams of the present invention applied to various types of pedestrian crossings.
The invention relates to a pedestrian crossing night safe passing method, wherein at least one end of a pedestrian crossing is provided with a light projecting device which can emit more than one layer of horizontal direction fan-shaped projection laser and project the laser on the pedestrian crossing, the horizontal direction fan-shaped projection laser is projected to form linear laser when touching obstacles, when a pedestrian passes through the pedestrian crossing, the laser is projected on the human body to form a luminous warning mark line surrounding the human body, the multiple layers of horizontal luminous warning mark lines extend and are arranged along the longitudinal direction of the human body to form a three-dimensional imaging luminous warning mark, the pedestrian always has the luminous warning mark in the pedestrian crossing process, the dynamic luminous warning mark can give play to the attention of a vehicle driver in advance and can slow down and avoid, and the pedestrian can pass through the pedestrian more safely.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.