TW202300815A - Pedestrian crossing lighting device - Google Patents

Abstract

Present invention discloses a pedestrian crossing lighting device, including: a light emitting module, the light emitting module having a circuit substrate and a plurality of light emitting units; wherein, the plurality of light emitting units arranged on a light emitting surface, the light emitting module arranged on a position above the pedestrian crossing and the light emitting surface face the pedestrian crossing; the light shape of the light emitting module forming a lighting area covering the pedestrian crossing, the light shape of the lighting area asymmetric to a vertical axis of the light emitting.

Description

Pedestrian crossing lighting installation

The invention relates to a lighting device for a pedestrian crossing, in particular to a lighting device for a pedestrian crossing arranged on a road crossing to provide illumination light.

According to, the main function of general street lamps is to provide lighting at night, and passers-by need to rely on the illumination of street lamps or vehicle headlights to maintain safety; however, existing street lamps are usually designed to provide average illumination brightness for roads and surrounding environments designed without providing lighting specifically for pedestrian crossings. Therefore, at night or when the line of sight is not good, since there is no significant difference between the illuminance of the pedestrian crossing and the illuminance of other positions on the road, even lower than that of the lane, the pedestrians on the crosswalk will not be able to produce a clear contrast with the surrounding area. Thus it is easy for the driver not to find pedestrians, which causes danger.

However, if the lighting device for pedestrian crossing is to be added separately, the light pattern distribution produced by the existing lighting device usually covers a large area, so that the coverage of the lighting area produced by the lighting device for pedestrian crossing exceeds the pedestrian crossing, so it is easy Cause light pollution in the surrounding area, and even make the light of the lighting device directly shine on the eyes of drivers or pedestrians, resulting in the risk of blindness.

Therefore, the inventor believes that the above-mentioned defects can be improved, Naite devoted himself to research and combined with the application of scientific principles, and finally proposed an invention with reasonable design and effective improvement of the above-mentioned defects.

The technical problem to be solved by the invention is to improve the defects of the lighting system of the existing pedestrian crossing.

In order to solve the above problems, an embodiment of the present invention provides a pedestrian crossing lighting device, the pedestrian crossing lighting device is installed at a position adjacent to a pedestrian crossing on a road; the pedestrian crossing lighting device includes: a light emitting module , the light-emitting module has a circuit substrate, and a plurality of light-emitting units arranged on the circuit substrate; wherein, the light-emitting module can define a light-emitting surface, and the normal direction passing through the center of the light-emitting surface The vertical axis, and the first horizontal axis and the second horizontal axis parallel to the light-emitting surface and perpendicular to each other; the light emitted by the light-emitting module can be irradiated on a projection surface parallel to the light-emitting surface An illumination area is formed, the illumination area is bounded by the vertical axis, and can be defined as a first area and a second area on both sides of the first horizontal axis, and the illumination area is bounded by the vertical axis For the boundary, the third area and the fourth area can be defined on both sides of the second horizontal axis; a plurality of the light-emitting units of the light-emitting module are arranged on the light-emitting surface, each of the The light-emitting units respectively have a light-emitting chip and a lens covering the light-emitting chip. Through the lens, the light shape of the light emitted by the light-emitting chip is controlled, so that the illumination area formed by the light emitted by the light-emitting module is within the The length of the first horizontal axis is greater than the length of the lighting area in the second axis, and the lengths of the lighting area in the third area and the fourth area are symmetrical to each other, and the lighting area is in the The length of the first area is greater than the length of the illumination area in the first area.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings related to the present invention. However, the provided drawings are only for reference and description, and are not intended to limit the present invention.

The following is an illustration of the implementation of the "lighting device for pedestrian crossing" disclosed in the present invention through specific specific examples. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various modifications and changes can be made to the details in this specification based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only for simple illustration, and are not drawn according to the actual size, which is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention. In addition, the term "or" used herein may include any one or a combination of more of the associated listed items depending on the actual situation.

As shown in FIGS. 1 to 5 , the pedestrian crossing lighting device of the present invention is installed at a position where a road 1 is adjacent to a pedestrian crossing 2 . The road 1 is provided with a plurality of traffic signal devices 3 and pedestrian signal devices 4 located on both sides of the crosswalk 2 . The lighting device 5 is disposed on the road adjacent to the pedestrian crossing 2 to generate a lighting area 500 covering the pedestrian crossing 2 .

As shown in FIGS. 2 and 3 , the lighting device 5 has a light emitting module 100 . In this embodiment, the light emitting module 100 has a casing 110, a circuit substrate 120 disposed in the casing 110, a circuit device 130, and a plurality of light emitting diodes disposed on the circuit substrate 120. Unit 200.

As shown in FIG. 2 and FIG. 3 , the light emitting module 100 can define a light emitting surface 140, a vertical axis D1 passing through the normal direction of the center of the light emitting surface 140, and a direction parallel to the light emitting surface 140. and a first horizontal axis D2 and a second horizontal axis D3 perpendicular to each other. Wherein, a plurality of light-emitting units 200 are arranged on the circuit substrate 120, and the plurality of light-emitting units 200 are jointly arranged on the light-emitting surface 140, so that the light emitted by the plurality of light-emitting units 200 A surface light source type emitted from the light emitting surface 140 is formed.

As shown in FIG. 7, each of the light-emitting units 200 has a light-emitting chip 400 and a lens 300 covering the light-emitting chip 400, and the light shape of the light emitted by the light-emitting chip 400 is controlled through the lens 300, so that The light emitted by the lighting module 100 is projected on the ground to form the lighting area 500 .

Since the light-emitting module 100 of the present invention directly controls the light shape generated by the light-emitting module 100 and the shape of the illumination area 500 through the lens 300 of the light-emitting unit 200, the present invention does not require additional light control elements (such as : shading sheet, light guide cover, reflector), so that the structure of the lighting device 5 can be simplified and the loss of light can be reduced.

As shown in Fig. 1, Fig. 4 and Fig. 5, the light-emitting module 100 of the lighting device 5 is such that the light-emitting surface 140 faces the ground of the road 1 and the crosswalk 2, and is connected with the The ground is arranged parallel to each other at the position where the road is adjacent to the pedestrian crossing 2 . And the light-emitting module 100 is set at one end of the crosswalk 2 in the longitudinal direction through the frame at a height distance from the ground of the crosswalk 2, and can produce 2. The lighting area 500 in a long and narrow shape matched with each other.

As shown in Figure 4 and Figure 5, the light emitted by the light shape generated by the light emitting module 100 of the lighting device 5 of the present invention is irradiated on a light projection surface parallel to the light emitting surface 140 (for example: pedestrians passing through The ground of road 2 ) can form the illumination area 500 . In order to make the shape of the illumination area 500 formed by the light emitted by the light emitting module 100 match the shape of the crosswalk 2, the present invention arranges the first horizontal axis D2 of the light emitting module 100 It is parallel to the longitudinal direction of the pedestrian crossing 2, and the lighting area 500 generated by the lighting module 100 is configured such that the length L1 on the first horizontal axis D2 is greater than that on the second horizontal axis The length L2 in the direction of D3 thus makes the lighting area 500 form a long and narrow shape that fits the crosswalk 2 .

As shown in FIG. 4 , the lighting device 5 of the present invention is to set the light emitting module 100 through the frame body above one end of the road 1 located at the two ends of the pedestrian crossing 2 , and the light emitting module 100 The light-emitting surface 140 of the group 100 is parallel to the ground of the crosswalk 2, and the height of the light-emitting surface 140 from the ground of the crosswalk 2 is defined as an installation height H, and the installation height H is configured to be between 3m to 5m height.

Moreover, the length L1 of the lighting area 500 formed by the lighting module 100 along the first horizontal axis D2 is configured to be greater than twice the length L2 of the lighting area 500 along the second horizontal axis D3. above.

More specifically, in the present invention, the lighting area 500 generated by the light emitting module 100 is configured such that the length L1 of the first horizontal axis D2 is equal to the installation height H of the light emitting module 100 In a preferred embodiment of the present invention, the length L1 of the illumination area 500 on the first horizontal axis D2 is arranged to be 3 times to 6 times the installation height H of the light emitting module 100 times the range. In addition, the length L2 of the illumination area 500 in the second horizontal axis D3 is configured to be between 0.5 times and 1.5 times the installation height H, so that the shape of the illumination area 500 is formed so that the longitudinal direction is parallel to The first horizontal axis D1 is a long and narrow shape whose length in the first horizontal axis D1 is much larger than the width in the second horizontal axis D2.

The light pattern formed by the light projected by the light emitting module 100 can be divided by the vertical axis D1 of the light emitting module 100, and the light pattern of the light emitting module 100 is along the first horizontal axis. D2 can be divided into a first area D21 and a second area D22 with the vertical axis D1 as the boundary, and the light pattern of the light emitting module 100 is divided by the vertical axis on the second horizontal axis D3 The area toward D1 can be divided into a third area D31 and a fourth area D32. The light pattern of the light emitting module 100 forms an asymmetric light pattern in the first area D21 and the second area D22, and the lighting area 500 formed by projecting the light pattern on the ground is in the first area D21. The horizontal distance L11 between the edge position of the area D21 and the vertical axis D1 is much greater than the horizontal distance L12 between the edge position of the illumination area 500 in the second area D22 and the vertical axis D1. In addition, the light patterns of the light emitting module 100 in the third region D31 and the fourth region D32 are mutually symmetrical.

More specifically, in the lighting module 100 of the present invention, the length L11 of the lighting area 500 within the range of the first area D21 is configured as the length of the lighting area 500 within the range of the second area D22 More than 4 times that of L12. In a preferred embodiment of the present invention, the length L11 of the illumination area 500 within the range of the first area D21 is configured to be 4 times to 10 times the length L12 of the illumination area 500 within the range of the second area D22. times the range.

Through the above arrangement, the light pattern formed by the light emitted by the light emitting module 100 is asymmetrical to the vertical axis D1 on the first horizontal axis D2, and makes the light emitting module 100 The irradiation distance of the light emitted by the group 100 in the first area D21 is much greater than the irradiation distance in the second area D22. Since the light pattern generated by the light-emitting module 100 of the present invention has the above-mentioned characteristics, the lighting device 5 of the present invention can be installed on the road 1 close to the pedestrian crossing 2 in the longitudinal direction. The position of one end, and the light emitting module 100 is configured such that the first area D21 of the light pattern generated by the light emitting module 100 covers one end of the crosswalk 2 close to the light emitting module 100, and the The second area D22 covers the other end of the crosswalk 2 away from the lighting module 100 .

As shown in FIG. 6 and FIG. 7, the plurality of light emitting units 200 of the light emitting module 100 of the present invention are arranged in an array on the circuit substrate 120, and each of the light emitting units 200 has a A light emitting chip 400 on the circuit substrate 120 , and a lens 300 covering the light emitting chip 400 . Each of the light-emitting units 200 controls the light pattern of the light emitted by the light-emitting chip 400 through the lens 300 to form a light shape with an elongated shape and asymmetrical to the vertical axis D1.

As shown in FIGS. 7 to 9 , each of the lenses 300 includes: a lens body 301, the lens body 301 can define an optical axis C parallel to the vertical axis D1, and the lens body 301 The side facing the light-emitting chip 400 in the direction of the optical axis C is defined as the light-incident end 330, and the end of the lens body 301 opposite to the light-emitting chip 400 in the direction of the optical axis C is defined as the tail end. The tail end of the lens body 301 forms a first optical part 310 and a second optical part 320 .

As shown in FIG. 10, the lens body 301 is bounded by the optical axis C, and the opposite sides of the optical axis C are respectively defined as a first side 302 and a second side 303. The first optical part 310 The second optical portion 320 is disposed on a side of the lens body 301 close to the second side 303 . The lens body 301 forms a concave hole shape at the light-incident end 330 capable of accommodating the light-emitting chip 400 , and the lens body 301 forms an entrance protruding toward the light-emitting chip 400 at the light-incident end 330 . Glossy 331. After the light emitted by the light-emitting chip 400 enters the lens body 301 from the light-incident end 330 , it can enter the first optical part 310 and the second optical part 320 , and then pass through the first optical part 310 and the second optical part 320 are projected to the outside of the lens 300 .

As shown in FIGS. 7 to 10 , in this embodiment, a first reflective surface 311 is formed on a side of the first optical part 310 facing the first side 302 , and a first reflecting surface 311 is formed on a side facing the second side 303 . The side edge forms a first light emitting surface 312 . And the side of the second optical portion 320 facing the first side 302 forms a second reflective surface 321 , and forms a second light-emitting surface 322 on a side facing the second side 303 . Wherein, the first reflective surface 311 and the second reflective surface 321 are configured such that the incident angle of light transmitted from the lens body 301 to the first reflective surface 311 and the second reflective surface 321 is greater than The critical angle of total reflection, so that most of the light rays that pass through the lens body 301 and reach the first reflective surface 311 and the second reflective surface 321 can be reflected by the first reflective surface 311 and the second reflective surface The surface 321 reflects, and reflects toward the direction of the second side 303 , and then transmits to the outside of the lens body 301 through the first light-emitting surface 312 and the second light-emitting surface 322 .

More specifically, in this embodiment, the first optical part 310 and the second optical part 320 are arranged at different height positions, and the first light-emitting surface 312 of the first optical part 310 It is configured to protrude from the tail end of the second optical part 320 in the direction of the optical axis C, so that the light transmitted from the first light emitting surface 312 is not shielded by the second optical part 320 .

The first reflective surface 311 is configured as a continuous curved surface inclined to the optical axis C and curved toward the second side 303 . The second reflective surface 321 is configured as an inclined surface or a curved surface inclined to the optical axis C and inclined toward the second side 303 .

In addition, as shown in FIG. 8 , in this embodiment, the first light-emitting surface 312 is composed of a plurality of light-concentrating curved surfaces, and viewed from the tail end of the first optical part 310 in a plan view direction, the The first reflective surface 311 forms a curved surface that is substantially concave toward the first side 302 , so that the first reflective surface 311 can form a curved surface with a light-gathering effect.

In addition, in this embodiment, the second light-emitting surface 322 of the second optical part 320 is composed of a plurality of slopes or curved surfaces with different angles, and the second light-emitting surface 322 is mainly used to control the The light emitting direction of the light reflected by the two reflective surfaces 321 or directly transmitted from the lens body 301 to the second light emitting surface 322 . More specifically, in this embodiment, the second light-emitting surface 322 is composed of a central part 3221 arranged at the central position of the second light-emitting surface 322, and side edges arranged on both sides of the central part 3221. Viewed from the rear end of the second optical part 320 in a plan view direction, the two side portions 3222 of the second light-emitting surface 322 are inclined backward toward the first side 302 Ways are arranged on both sides of the central part 3221 .

As shown in FIG. 10 , the light emitting unit 200 of the present invention can control the light refraction direction of the light emitting chip 400 through the lens 300 . It is indicated in FIG. 9 that the light emitted by the light-emitting chip 400 enters the lens body 301 through the light incident surface 331 and then passes through the first optical part 310 and the second optical part 320. A reticle for the multiple ray paths formed. According to the present invention, through the lens 300, most of the light emitted by the light-emitting chip 400 can be reflected by the first reflective surface 311 and the second reflective surface 321, and then pass through the first light-emitting surface 312. refracted with the second light-emitting surface 322 to form an oblique path projection toward the second side 303, and only a part of the light is projected on the ground in a direction substantially perpendicular to the optical axis C, Therefore, the light emitted by the light emitting module 100 can form a long and narrow lighting area 500 that is asymmetrical to the vertical axis D1.

In particular, as shown in FIG. 11, the lens 300 of the present invention is viewed along the orthographic projection direction of the optical axis C, and the first reflective surface 311 and the second reflective surface 321 are on the optical axis C The sum of the orthographic projection areas in the direction accounts for more than 70% of the orthographic projection area of the lens 300 in the direction of the optical axis C, so that more than 50% of the light emitted by the light-emitting chip 400 can pass through the first The reflective surface 311 and the second reflective surface 321 are reflected and refracted by the first light-emitting surface 312 and the second light-emitting surface 322 to project on a path inclined toward the direction of the second side 303 of the lens 300, Therefore, through the above method, among the light emitted by the light-emitting chip 400 of the present invention, most of the light can be reflected by the first reflective surface 311 and the second reflective surface 321, and then travel along the second reflective surface. The projection in the side direction makes the light pattern of the light emitted by the light emitting unit 200 of the present invention form a long and narrow light pattern that is asymmetrical to the optical axis C.

As shown in FIG. 12 , it is a simulation diagram of the illumination distribution of the illumination area 500 formed by projecting the light shape formed by the light emitting module 100 on a light projection surface. In FIG. 11 , the curves labeled L1, L2, and L3 respectively represent the illuminance distribution curves from the outer edge to the inner edge of the lighting area 500 of the light emitting module 100, wherein the illuminance distribution curve L1 is the outermost edge of the lighting area 500. The area with the weakest illuminance, the illuminance distribution curve L2 is the middle illuminance area in the middle ring position of the illumination area 500 , and the illuminance distribution curve L3 is the strongest illuminance area in the central position of the illumination area 500 . It can be clearly seen that the illumination area 500 forms a long and narrow shape parallel to the first horizontal axis D2, and the illumination area 500 is in the direction of the first horizontal axis D2, the illuminance distribution curve L1, The width of the area formed by the illuminance distribution curve L2 and the illuminance distribution curve L3 is maintained at a fairly close degree, so it can be seen that the illumination area 500 formed by the light emitting module 100 of the present invention is in the first horizontal axis D2 has a fairly uniform illuminance distribution.

[Advantageous Effects of Embodiment]

One of the beneficial effects of the embodiment of the present invention is that the light-emitting module of the lighting device of the present invention can generate a light pattern conforming to the lighting area of the pedestrian crossing without passing through the light control device, thus simplifying the The structure of the lighting device. In addition, the lighting area generated by the light-emitting module is an asymmetric light shape conforming to the narrow and long shape of the crosswalk, and the light-emitting module projects light in a direction in which the light-emitting surface is parallel to the ground of the crosswalk, so The light generated by the light-emitting module is concentrated on the pedestrian crossing, so that the illumination of the pedestrian crossing is clearly contrasted with the surrounding environment without glare. Moreover, when pedestrians or drivers look directly at the lighting module, the lighting module will not directly illuminate the eyes of the user or driver because the light-emitting surface faces the ground, thus avoiding the risk of blindness.

The content disclosed above is only a preferred feasible embodiment of the present invention, and does not therefore limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1: road 2: Crosswalk 3: Traffic signal device 4: Pedestrian signal device 5: Lighting device 100: Lighting module 110: shell 120: circuit substrate 130: circuit device 140: light emitting surface 200: light emitting unit 300: lens 301: Lens body 302: first side 303: second side 310: First Optical Department 311: the first reflective surface 312: The first light emitting surface 320:Second optics 321: second reflective surface 322: Second light emitting surface 3221: central part 3222: side part 330: light incident end 331: light incident surface 400: light emitting chip 500: lighting area C: optical axis D1: vertical axis D2: the first horizontal axis D21: The first area D22: Second area D3: Second horizontal axis D31: The third area D32: The fourth area L1, L2, L3: Illumination distribution curve L11, L12: Horizontal distance H: installation height

Fig. 1 is a three-dimensional schematic diagram of a road and a pedestrian crossing provided with a lighting device for a pedestrian crossing according to the present invention.

Fig. 2 is a schematic cross-sectional view of the light emitting module used in the present invention.

Fig. 3 is a schematic bottom view of the lighting module used in the present invention.

Fig. 4 is a schematic side view of an embodiment of the pedestrian crossing lighting device of the present invention installed on the pedestrian crossing.

FIG. 5 is a schematic plan view of the illuminating device for a pedestrian crossing according to the present invention projecting light onto the pedestrian crossing to form a lighting area.

Fig. 6 is a perspective schematic view of the light emitting unit and the circuit substrate in the light emitting module of the present invention.

Fig. 7 is a schematic three-dimensional cross-sectional view of the light emitting unit and the circuit substrate in the light emitting module of the present invention.

FIG. 8 is a schematic perspective view of a lens used in the light emitting unit of the present invention.

FIG. 9 is a schematic perspective view of the lens used in the light emitting unit of the present invention taken from the direction of the light incident end.

Fig. 10 is a schematic diagram of the light path of the light emitting unit of the present invention.

Fig. 11 is a schematic plan view of the orthographic projection of the lens used in the present invention along the optical axis.

Fig. 12 is a simulation diagram of the illuminance distribution of the lighting area of the lighting module of the present invention.

1: road

2: Crosswalk

3: Traffic signal device

4: Pedestrian signal device

5: Lighting device

500: lighting area

Claims (10)

A lighting device for a pedestrian crossing, the lighting device for a pedestrian crossing is set at a position adjacent to a pedestrian crossing on a road; the lighting device for a pedestrian crossing includes: A light-emitting module, the light-emitting module has a circuit substrate, and a plurality of light-emitting units arranged on the circuit substrate; Wherein, the light-emitting module can define a light-emitting surface, a vertical axis passing through the center of the light-emitting surface in the normal direction, and a first horizontal axis and a second axis parallel to the light-emitting surface and perpendicular to each other. horizontal axis; The light emitted by the light-emitting module irradiates a projection surface parallel to the light-emitting surface to form an illumination area. The illumination area is bounded by the vertical axis and on both sides of the first horizontal axis. It can be defined as a first area and a second area, the illumination area is bounded by the vertical axis, and can be defined as a third area and a fourth area on both sides of the second horizontal axis; The plurality of light-emitting units of the light-emitting module are arranged on the light-emitting surface, and each light-emitting unit has a light-emitting chip and a lens covering the light-emitting chip, and controls the light-emitting through the lens. The light shape of the light emitted by the wafer, so that the length of the illumination area formed by the light emitting module in the first horizontal axis is greater than the length of the illumination area in the second axis, and the The lengths of the lighting area in the third area and the fourth area are symmetrical to each other, and the length of the lighting area in the first area is greater than the length of the lighting area in the second area. The pedestrian crossing lighting device according to claim 1, wherein at least one of the lighting modules is configured such that the length of the lighting area formed by the generated light in the first axis is at least longer than that of the lighting area in the first axis. The length of the second axis is twice as long. The pedestrian crossing lighting device according to claim 2, wherein the light emitting module is configured such that the light emitting surface faces the road surface of the road, and the light emitting surface is parallel to the road surface and is arranged on the road surface. The road is adjacent to the pedestrian crossing, the first horizontal axis of the lighting area formed by the lighting module is parallel to the longitudinal direction of the pedestrian crossing, and the lighting area covers the Both ends of the crosswalk in the longitudinal direction, and the surrounding area of the crosswalk. The pedestrian crossing lighting device according to claim 3, wherein the height of the light-emitting surface of the light-emitting module from the road surface is defined as the installation height, and the installation height is configured to be between 3m and 5m, and the The length of the lighting area on the first horizontal axis is configured to be between 3 times and 6 times of the installation height, and the length of the lighting area on the second horizontal axis is configured to be between the installation height 0.5 to 1.5 times; the length of the illumination area in the first area is greater than the range of 4 to 10 times the length of the illumination area in the second area. The pedestrian crossing lighting device according to any one of claims 1 to 4, wherein the lenses of each of the light emitting units respectively include: A lens body, the lens body can respectively define an optical axis parallel to the vertical axis, the side of the lens body facing the light-emitting chip in the direction of the optical axis is defined as a light incident end, the One end of the lens body relative to the light-emitting wafer in the direction of the optical axis is defined as a tail end, and the tail end of the lens body forms a first optical part and a second optical part; The lens body takes the optical axis as a boundary, and the two sides opposite to the optical axis are respectively defined as a first side and a second side, and the first optical part is arranged on the lens body close to the first side The second optical part is arranged on the side of the lens body close to the second side, the light emitted by the light-emitting chip enters the lens body from the light-incident end, passes The first optical part and the second optical part control the projection of the light toward the direction of the second side; The side of the first optical part facing the first side forms a first reflective surface, and the side facing the second side forms a first light-emitting surface; A second reflective surface is formed on a side of the second optical part facing the first side, and a second light-emitting surface is formed on a side facing the second side; Wherein, the first reflective surface and the second reflective surface are configured such that the incident angle of the light rays reaching the first reflective surface and the second reflective surface is greater than the critical angle of total reflection, so that the light rays reaching the first reflective surface The light on the reflective surface can be reflected toward the direction of the first light-emitting surface, and then transmitted to the outside of the lens body through the first light-emitting surface; and the light that reaches the second reflecting surface can be directed toward the second Reflected in the direction of the light-emitting surface, and then transmitted to the outside of the lens body through the second light-emitting surface; Wherein, the first light-emitting surface of the first optical part is configured to protrude from the tail end of the second optical part in the direction of the optical axis, so that the light transmitted from the first light-emitting surface does not shielded by the second optical part. The pedestrian crossing lighting device according to claim 5, wherein, the first reflective surface is configured as a continuous curved surface inclined to the optical axis and curved toward the second side direction; the second reflective surface is configured to be inclined with respect to the optical axis and toward the second side. The pedestrian crossing lighting device according to claim 6, wherein, the sum of the orthographic projection areas of the first reflective surface and the second reflective surface in the direction of the optical axis is greater than that of the lens in the optical axis More than 70% of the orthographic projection area in the axial direction. The pedestrian crossing lighting device according to claim 6, wherein the first reflective surface is configured to form a concave surface concave toward the first side when viewed from the rear end of the first optical part in a plan view direction. The pedestrian crossing lighting device according to claim 8, wherein the second light-emitting surface is configured to have a central part, and two side parts located on both sides of the central part, from the second optical part Viewing the tail end from a plan view direction, the two side portions of the second light-emitting surface are inclined backward toward the first side. The pedestrian crossing lighting device according to claim 6, wherein the light incident end forms a light incident surface, and the light incident surface is configured to protrude toward the light emitting chip.

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