CN111678073A

CN111678073A - Light-operated governing system is used in tunnel lamp illumination

Info

Publication number: CN111678073A
Application number: CN202010597700.9A
Authority: CN
Inventors: 于晓晓; 陈科宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-09-18

Abstract

The invention discloses a light-operated adjusting system for tunnel lamp illumination, which comprises a lamp shade fixedly connected to the inner top of a tunnel, wherein a lamp body is fixedly connected to the inner top of the lamp shade, a conductive cavity is formed in the upper end of the lamp shade, a conductive plate is slidably connected to the inner wall of the conductive cavity, the side wall of the conductive plate is fixedly connected with the inner wall of the conductive cavity through conductive rubber, a conductive strip is embedded in the inner wall of the conductive cavity, the conductive plate is in contact with the conductive strip, and the side wall of the lamp body is fixedly connected with the conductive strip and the conductive rubber through. The invention can correspondingly extend and contract the light expansion air bag according to the change of light outside the tunnel, so that the conductive rubber is correspondingly deformed, the resistance on the conductive rubber is changed, the illumination of the lamp body is correspondingly adjusted, the brightness at the tunnel opening is close to the outside, the generation of black hole effect and white hole effect is reduced when an automobile is driven into and out of the tunnel, and the occurrence of safety accidents is reduced.

Description

Light-operated governing system is used in tunnel lamp illumination

Technical Field

The invention relates to the technical field of tunnel lamps, in particular to a light-operated adjusting system for tunnel lamp illumination.

Background

The tunnel lamp is a special lamp for tunnel illumination, adopts the light emitting diode as a light source of the luminous body, and has the advantages of high color rendering property, small light attenuation, long service life and the like.

The tunnel lamp is characterized in that a black hole effect and a white hole effect are easy to occur when an automobile runs in a tunnel, so that the automobile is high in danger when the automobile runs in and out of the tunnel, the brightness of the tunnel lamp at the entrance and the exit of the tunnel is adjusted to the maximum in order to eliminate the black hole effect and the white hole effect, but the consumed electric energy is increased under the long-time strong irradiation of the tunnel lamp at the entrance and the exit of the tunnel, the service life of the tunnel lamp is shortened, more importantly, the current tunnel lamp cannot be adjusted according to the external brightness, when the automobile runs to the outside of the tunnel in a dark state, the strong light can stimulate the eyes of a driver, and safety accidents are easy to occur.

Therefore, the light-operated adjusting system for the tunnel lamp illumination is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a light control adjusting system for tunnel lamp illumination.

In order to achieve the purpose, the invention adopts the following technical scheme:

a light-operated adjusting system for tunnel lamp illumination comprises a lamp shade fixedly connected to the inner top of a tunnel, a lamp body fixedly connected to the inner top of the lamp shade, an illumination frame arranged at the lower end of the lamp shade, a transparent plate fixedly connected to the inner wall of the illumination frame, a conductive cavity arranged at the upper end of the lamp shade, a conductive plate slidably connected to the inner wall of the conductive cavity, conductive rubber fixedly connected to the side wall of the conductive plate, conductive strips embedded in the inner wall of the conductive cavity and contacting with the conductive strips, a conductive strip and conductive rubber fixedly connected to the side wall of the lamp body, respectively, a light-expansion air bag fixedly connected to the side wall of the conductive plate far away from the conductive rubber, silver bromide powder and copper oxide powder filled in the light-expansion air bag, and a frame opening formed in the inner wall of the conductive cavity far away from the, the inner wall of the frame opening is fixedly connected with a convex mirror.

Preferably, a gas storage cavity is formed in the lampshade, the one-way outlet pipe of the inner wall of the conductive cavity is communicated with the gas storage cavity, the inner wall of the conductive cavity is communicated with the inner wall of the lampshade through a one-way air suction pipe, the annular cavity is formed in the lower end of the lampshade, the bottom of the inner wall of the gas storage cavity is communicated with the inner wall of the annular cavity through a connecting pipe, a pressure release valve is installed in the connecting pipe, a plurality of air injection holes are formed in the inner wall of the annular cavity, and the air.

The invention has the following beneficial effects:

1. by arranging the light expansion air bag, the conductive plate, the conductive rubber and the conductive strips, when light rays outside the tunnel are strong, silver bromide powder filled in the light expansion air bag is decomposed into silver and bromine gas, so that the volume in the light expansion air bag is increased, the light expansion air bag can be caused to expand, the conductive plate is further pushed to slide, and the conductive rubber is extruded, so that the conductive rubber is shortened from a long strip shape, the cross section is enlarged, according to the characteristic of the resistance of a conductive material, the larger the cross section is, the smaller the resistance is, the shorter the length is, the smaller the resistance is, further the current passing through the lamp body is increased, the illumination of the lamp body is increased, further the brightness at the position of the tunnel mouth is close to the outside, the generation of a black hole effect and a white hole effect is reduced when an automobile enters and exits;

2. when light outside the tunnel weakens, silver and bromine gas are reduced into silver bromide under the action of copper oxide, the volume in the light expansion air bag is reduced, the light expansion air bag is further contracted, the current conducting plate is further pulled to slide, the conducting rubber is lengthened, the conducting rubber is shortened from short to long and the cross sectional area is reduced, the resistance on the conducting rubber is further increased, the current passing through the lamp body is reduced, the illumination of the lamp body is reduced, the brightness at the tunnel opening is further close to the outside, the whole process is free of any manual work and equipment control and can be carried out automatically, and traffic accidents at the tunnel opening are effectively reduced;

3. through setting up the gas storage chamber, the annular chamber, connecting pipe and fumarole, when the light inflation gasbag is flexible, go into the gas storage intracavity through one-way breathing pipe and the gaseous pump of one-way outlet duct in with the lamp shade, when the gas pressure in the gas storage intracavity reaches the critical value of relief valve, the gas in the gas storage intracavity passes through the connecting pipe and gets into the annular chamber this moment, and spout from the fumarole high-speed, clear up the dust on the transparent plate, the dust of raising when avoiding the car to go in the tunnel adsorbs on the transparent plate, lead to the illuminating effect of lamp body to descend.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1 lampshade, 2 lamp bodies, 3 lighting frames, 4 transparent plates, 5 conductive cavities, 6 conductive plates, 7 conductive strips, 8 conductive rubber, 9 conductive wires, 10 light expansion airbags, 11 convex mirrors, 12 gas storage cavities, 13 one-way gas outlet pipes, 14 one-way gas suction pipes, 15 annular cavities, 16 connecting pipes and 17 gas jet holes.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Example one

Referring to fig. 1, a light-operated adjusting system for tunnel lamp illumination, comprising a lamp shade 1 fixedly connected to the top in a tunnel, a lamp body 2 fixedly connected to the top in the lamp shade 1, a lighting frame 3 disposed at the lower end of the lamp shade 1, a transparent plate 4 fixedly connected to the inner wall of the lighting frame, a conductive cavity 5 disposed at the upper end of the lamp shade 1, a conductive plate 6 slidably connected to the inner wall of the conductive cavity 5, wherein through holes are symmetrically disposed on the inner wall of the conductive cavity 5 for communicating with the outside to balance the air pressure generated by the conductive plate 6 when the inner wall of the conductive cavity 5 slides, the side wall of the conductive plate 6 is fixedly connected to the inner wall of the conductive cavity 5 through a conductive rubber 8, a conductive strip 7 is embedded in the inner wall of the conductive cavity 5, the conductive plate 6 contacts the conductive strip 7, the side wall of the lamp body 2 is fixedly connected to the conductive, and have elasticity, can take place the deformation, conductive rubber 8 is rectangular form under the initial condition, and the resistance on the conductive rubber 8 is the biggest this moment, and when conductive rubber 8 was extruded gradually under the exogenic action, conductive rubber 8 shortens by rectangular form gradually to the cross section grow gradually, according to the characteristic of conducting material resistance, the cross section is bigger, and the resistance is less, and length is shorter, and the resistance is less, and then makes the resistance on the conductive rubber 8 diminish gradually.

The lateral wall that electrically conductive rubber 8 was kept away from to current conducting plate 6 passes through light inflation gasbag 10 and electrically conducts 5 inner walls fixed connection in chamber, and light inflation gasbag 10 intussuseption is filled with silver bromide powder and cupric oxide powder, and is further, and silver bromide can take place the reaction under the condition of illumination and decompose into silver and bromine gas, and the reaction formula is: 2AgBr ═ 2Ag + Br₂And then the volume in the light expansion air bag 10 is increased, so that the light expansion air bag 10 is extended to push the conductive plate 6 to slide to extrude the conductive rubber 8; under the condition of no light, the copper oxide is used as a catalyst, so that bromine and silver can react again to produce silver bromide: 2Ag + Br₂2AgBr, and then the volume in the light expansion airbag 10 is reduced, so that the light expansion airbag 10 contracts, and the conductive plate 6 is driven to slide to stretch the extruded conductive rubber 8.

The inner wall that electrically conducts 5 and keep away from electrically conductive rubber 8 has seted up the frame mouth, and frame mouth inner wall fixedly connected with convex mirror 11, and is further, and convex mirror 11 can be gathered external light for silver bromide can react the very first time, in addition, can be in tunnel mouth department installation speculum, makes convex mirror 11 strengthen the capturing power of external light, improves the sensitivity of device operation.

In the embodiment, when the external light is strong, the light is collected through the convex mirror 11 to illuminate the silver bromide powder in the light expansion air bag 10, so that the silver bromide is decomposed into silver and bromine gas under the illumination, the air pressure in the light expansion air bag 10 is increased and extended, the conductive plate 6 is pushed to slide on the inner wall of the conductive cavity 5, the conductive rubber 8 is extruded by the conductive plate 6, the conductive rubber 8 is shortened from a long strip shape, the cross section is gradually enlarged, the larger the cross section is, the smaller the resistance is, the shorter the length is, the smaller the resistance is, the resistance on the conductive rubber 8 is, the current flowing through the lamp body 2 is increased, the illumination of the lamp body 2 is improved, the brightness at the tunnel mouth is close to the outside, and the black hole effect and the white hole effect are reduced when the automobile drives in and out of the tunnel, the occurrence of safety accidents is reduced;

when external illumination weakens, silver and bromine gas restore into silver bromide under copper oxide's effect this moment, make light inflation gasbag 10 internal gas pressure reduce, and then light inflation gasbag 10 shrink, and then pulling current conducting plate 6 slides, lengthen conducting rubber 8 after the extrusion, make conducting rubber 8 lengthen by the short, the cross-sectional area diminishes, and then make the resistance increase on the conducting rubber 8, make the electric current that passes through on the lamp body 2 reduce, make the illumination of lamp body 2 reduce, whole process need not any manual work and equipment control, independently carry out, the effectual traffic accident that has reduced tunnel mouth department and takes place.

Example two

Referring to fig. 2, different from the first embodiment, a gas storage cavity 12 is formed in a lamp shade 1, a one-way outlet pipe 13 on an inner wall of a conductive cavity 5 is communicated with the gas storage cavity 12, the inner wall of the conductive cavity 5 is communicated with an inner wall of the lamp shade 1 through a one-way air suction pipe 14, it should be noted that the one-way outlet pipe 13 only allows air to enter the gas storage cavity 12 from the conductive cavity 5, the one-way air suction pipe 14 only allows air to enter the conductive cavity 5 from the lamp shade 1, an annular cavity 15 is formed at a lower end of the lamp shade 1, a bottom portion in the gas storage cavity 12 is communicated with the inner wall of the annular cavity 15 through a connecting pipe 16, a pressure release valve is installed in the connecting pipe 16, a plurality of air injection holes 17 are formed in the inner wall of the annular cavity 15, the plurality of air injection holes 17 are all obliquely arranged towards a side wall of, the cleanliness of the transparent plate 4 is increased, and the lighting effect is improved.

In this embodiment, when the light expansion airbag 10 extends, the airtight space on the right side of the conductive plate 6 of the conductive cavity 5 is increased, the air pressure is reduced, and then under the action of the one-way air suction pipe 14 and the one-way air outlet pipe 13, the conductive cavity 5 sucks air from the lampshade 1 through the one-way air suction pipe 14, when the light expansion airbag 10 contracts, the airtight space on the right side of the conductive plate 6 of the conductive cavity 5 is reduced, the air pressure is increased, and then the air in the conductive cavity 5 is pumped into the air storage cavity 12 through the one-way air outlet pipe 13, and then the air is stored in the air storage cavity 12 continuously along with the extension and contraction of the light expansion airbag 10, when the pressure of the air stored in the air storage cavity 12 reaches the critical value of the pressure release valve, at this time, the air in the air storage cavity 12 enters the annular cavity 15 through the connecting pipe 16, and is ejected at high speed through the obliquely arranged air ejection hole 17, the, resulting in a reduction of the lighting effect of the lamp body 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a tunnel lamp is light-operated governing system for illumination, includes lamp shade (1) at top in the tunnel of fixed connection, top fixedly connected with lamp body (2) in lamp shade (1), lighting frame (3) have been seted up to lamp shade (1) lower extreme, just lighting frame inner wall fixedly connected with transparent plate (4), its characterized in that, electrically conductive chamber (5) have been seted up to lamp shade (1) upper end, electrically conductive chamber (5) inner wall sliding connection has current conducting plate (6), current conducting plate (6) lateral wall is through electrically conductive rubber (8) and electrically conductive chamber (5) inner wall fixed connection, electrically conductive chamber (5) inner wall inlays and is equipped with busbar (7), just current conducting plate (6) and busbar (7) contact each other, lamp body (2) lateral wall pass through wire (9) respectively with busbar (7) and electrically conductive rubber (8) fixed connection, the lateral wall that electrically conductive rubber (8) were kept away from to current conducting plate (6) passes through light inflation gasbag (10) and (5) the inner wall is fixedly connected, silver bromide powder and copper oxide powder are filled in the light expansion air bag (10), a frame opening is formed in the inner wall, far away from the conductive rubber (8), of the conductive cavity (5), and the inner wall of the frame opening is fixedly connected with the convex mirror (11).

2. The light-operated adjusting system for tunnel lamp illumination according to claim 1, wherein a gas storage cavity (12) is formed in the lampshade (1), the one-way gas outlet pipe (13) in the inner wall of the conductive cavity (5) is communicated with the gas storage cavity (12), the inner wall of the conductive cavity (5) is communicated with the inner wall of the lampshade (1) through a one-way gas suction pipe (14), an annular cavity (15) is formed at the lower end of the lampshade (1), the bottom in the gas storage cavity (12) is communicated with the inner wall of the annular cavity (15) through a connecting pipe (16), a pressure relief valve is installed in the connecting pipe (16), a plurality of gas injection holes (17) are formed in the inner wall of the annular cavity (15), and the plurality of gas injection holes (17) are all inclined towards the side wall of the transparent.