CN221197102U - Lighting system for adjusting illumination intensity of tunnel - Google Patents

Abstract

The utility model discloses a lighting system for adjusting illumination intensity of a tunnel, which relates to the field of tunnels and comprises a plurality of lighting devices arranged along the running direction of the tunnel, wherein a surface light source plate and a light projecting source plate are arranged on the lighting devices, a plurality of surface light sources are arranged on the surface light source plate, a plurality of light projecting sources are arranged on the light projecting source plate, the projecting direction of the surface light sources faces to the entrance of the tunnel, and the projecting direction of the light projecting sources faces to the exit of the tunnel. The utility model combines the surface light source and the light projecting light source to realize the light direction conversion between the daytime and the nighttime at the entrance and can also effectively achieve the effects of energy conservation, consumption reduction and emission reduction.

Description

Lighting system for adjusting illumination intensity of tunnel

Technical Field

The utility model relates to the field of tunnels, in particular to a lighting system for adjusting illumination intensity of tunnels.

Background

The road tunnel provides convenience and quickness for people to travel, and meanwhile, the influence of the black-white effect on the driving safety becomes more and more a focus of attention. Because the highway tunnel is a semi-enclosed space, the illumination of the highway tunnel is greatly different from that of a common road, a driver can generate a visual white hole effect or a visual black hole effect by the huge contrast of illumination brightness inside and outside the tunnel when driving in and out of the tunnel, the visual discomfort caused by the white hole effect and the black hole effect affects the driving safety, and traffic accidents can be caused when the traffic accident is serious, so that life and property loss are caused. In order to make a driver have a good visual transition in the driving process of entering and exiting a tunnel, the prior art includes:

1. the manual intervention degree of the brightness of the tunnel lamplight is improved; most of the lights in the tunnel are turned on in daytime, so that the lights in the tunnel are bright, the brightness difference between the inside and the outside of the tunnel is reduced, and the adaptation time of eyes of a driver when the driver enters and exits the tunnel is shortened. More than half of the illuminating lamps in the tunnel are turned off at night intervals, and the brightness difference between the inside and the outside of the tunnel can be reduced.

2. The tunnel entrance illumination is divided into an entrance section, an adaptation section and a transition section. Different brightness standards are adopted at the leading-in stage day and night, so that a driver can accurately identify obstacles at the tunnel portal, and the influence of the phenomena of black holes and white holes is reduced. The adaptation section and the transition section gradually adjust illumination brightness, and the brightness is required to be smoothly transited, so that a driver can adapt to the proper light environment in the tunnel. The illumination design at the outlet is the opposite.

3. An extension section with a certain length is additionally arranged between the tunnel portal and the common road; and a corresponding dimming device is arranged on the extension section to improve the strong contrast of the illumination intensity of the extension section outside the tunnel. The visual transition section is arranged by changing the layout of the tunnel illuminating lamps, the density of the led illuminating lamps at the entrance is high, and then the density is reduced stepwise. There are the following disadvantages: the illumination brightness of the transition section changes suddenly, so that the driver is difficult to adapt; the flexibility is poor, the illumination brightness and the length of the transition section are determined when the tunnel is constructed, and the transition section is difficult to adapt to various weather conditions; often the illumination brightness setting of changeover portion is too big, and energy-conserving effect is poor.

Disclosure of utility model

The utility model aims to provide a lighting system for adjusting illumination intensity of a tunnel, which combines a surface light source with a light projecting light source to realize light direction conversion of a passageway in daytime and at night.

The purpose is realized by adopting the following technical scheme:

The utility model provides an adjust lighting system of tunnel illumination intensity, includes a plurality of lighting device that set up along tunnel direction of travel, is provided with face light source board and light projecting source board on the lighting device, is provided with a plurality of area sources on the face light source board, is provided with a plurality of light sources of throwing on the light projecting source board, the direction of throwing of area source is towards tunnel entry, throws the direction of throwing of light source towards tunnel exit. The surface light source is a light emitting mode, and compared with the led point light source and a common lamp light source, the conventional surface light source such as a flat light source has the characteristics of soft light emission, no eye injury, electricity saving, natural light and the like. The light source is a lamp with illuminance higher than ambient environment on the illuminated surface, and is also called spotlight. In general, it can be aimed in any direction and has a structure that is not affected by climatic conditions.

This scheme adopts area light source and light projecting source to combine together, makes the vehicle when getting into the tunnel, and the head-on projection is the area light source, can avoid strong light to throw down the problem that causes the giddiness to eyes, will throw the light source simultaneously and throw towards the place ahead from the vehicle rear, further improved luminance, can also avoid strong light to just right with eyes, effectively improve the comfort level. Therefore, the scheme adopts a mode of combining the surface light source and the light projecting source, can effectively improve the brightness of the tunnel portal and the visibility of objects in the tunnel, and realizes the light direction extension of the tunnel portal.

Further, on this basis, be provided with the regulating part on the light projecting source board, the regulating part is used for adjusting the projection direction of throwing the light source. After the vehicle gets into the tunnel, the regulating part makes the light projecting source rotatory, makes the light projecting source project towards the tunnel export at the vehicle rear always, improves the illuminating effect.

The lighting system further comprises a vehicle detection assembly used for acquiring vehicle movement position information, and the adjusting piece adjusts the direction of the light projecting source plate according to the vehicle movement position information so that the light projecting source projects from the rear of the vehicle towards the direction of the tunnel outlet. The vehicle detection component can be a speed sensor, the speed sensor is used for detecting the speed of the vehicle entering the tunnel, the light projecting source plate rotates according to the speed of the vehicle according to the running speed of the vehicle, the light projecting source plate rotates according to the speed of the vehicle, the light projecting source always projects from the rear of the vehicle towards the outlet direction of the tunnel, and the running brightness is ensured.

On this basis, lighting system still includes image acquisition subassembly, and image acquisition subassembly is used for gathering the image of target vehicle, and image acquisition subassembly gathers the image of vehicle, confirms target vehicle, and target vehicle corresponds with the target light projecting source board in a plurality of light projecting source boards, and the regulating part is according to the removal position information adjustment target light projecting source board's of target vehicle projection direction, makes target light projecting source board project from target vehicle rear orientation tunnel exit direction.

For a longer tunnel, the rotation angle of the light projection source plate of the lighting device is limited, so that the image acquisition assembly is adopted to lock a target vehicle, the target vehicle is matched with the target light projection source plate, the rotation angle of the target light projection source plate is adjusted along with the movement of the vehicle, meanwhile, the information of the target light projection source plate is adjusted, and the vehicle is matched with different target light projection source plates at different positions in the tunnel, so that the lighting effect is improved.

Preferably, the lighting system further comprises a color temperature component for adjusting the color temperature of the tunnel portal and the tunnel according to the color temperature information outside the tunnel. The color temperature of natural light is synchronous with the color temperature of the illumination light source, so that the distinguishing capability and passing speed of a driver on objects are improved, and the driving safety is ensured.

The illumination system further comprises an illumination intensity component for adjusting illumination intensity at the tunnel entrance and in the tunnel according to illumination intensity information outside the tunnel.

Preferably, the tunnel entrance adopts a horn tunnel entrance structure; the natural light enters the tunnel to the maximum extent, synchronous connection of the natural light and the illumination light is realized, the problem of instantaneous blind loss of a driver is solved, and the black-white tunnel effect of the tunnel is thoroughly realized. The aerodynamic effect at the opening can be effectively relieved, the wind resistance at the entrance of the vehicle is reduced, and the energy consumption of the vehicle is reduced. Because the existing tunnel portal is of a straight pipe structure, when a vehicle running at a high speed enters the tunnel portal, a series of aerodynamic effects are induced at the tunnel portal, wherein transient pressure of the tunnel portal and micro-pressure waves of the tunnel portal are the most important. The instantaneous change of pressure can increase windage for the vehicle, increase vehicle energy consumption and produce pressure differential for driver and passenger's eardrum in, directly influence driver and passenger's comfort and health, micro-pressure wave phenomenon can also cause serious noise pollution to produce bad psychological influence to surrounding residents, great harm to the environment. Secondly, the visual sense of road surface and tunnel portal can be realized gradually changing sense to tubaeform tunnel access structure form, alleviates driver's pressure, improves driver's comfort.

In another aspect, a lighting method of a lighting system for adjusting tunnel illumination intensity includes:

Acquiring vehicle movement position information through a vehicle detection component;

And adjusting the projection direction of the projection light source according to the vehicle moving position information, so that the projection light source projects from the rear of the vehicle towards the direction of the tunnel exit.

The vehicle movement position information includes an average movement speed of the vehicle, and a rotation speed of the light projecting source is adjusted according to the average movement speed of the vehicle so that the light projecting source projects from the rear of the vehicle toward the tunnel exit.

The vehicle movement position information can also be other information, such as vehicle position information, and the angle of the light projecting source plate is adjusted according to the position of the vehicle in the tunnel.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

According to the illumination system for adjusting the illumination intensity of the tunnel, the structure form of the entrance is changed, natural light enters the tunnel to the greatest extent, synchronous connection of the natural light and illumination light is achieved, the problem of instant blind losing is solved, and the black-white tunnel phenomenon of the tunnel is thoroughly achieved. The color temperature of natural light is synchronous with the color temperature of the illumination light source, the distinguishing capability and passing speed of a driver on objects are improved, driving safety is ensured, meanwhile, the wind resistance of a vehicle inlet can be reduced, and the energy consumption of the vehicle is reduced.

The utility model combines the surface light source and the light projecting light source to realize the light direction conversion between the daytime and the nighttime at the entrance and can also effectively achieve the effects of energy conservation, consumption reduction and emission reduction.

Drawings

The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:

fig. 1 is a schematic diagram of a vehicle, a face light source plate and a light projecting source plate in embodiment 1;

fig. 2 is a schematic view of the structure of the lighting device in embodiment 1;

Fig. 3 is a schematic diagram of a structure of the illumination device light projecting source plate in embodiment 2 after rotation;

Fig. 4 is a horn-shaped structure of the tunnel entrance in embodiment 4.

In the drawings, the reference numerals and corresponding part names:

1-connecting seat, 2-connecting plate, 3-regulation pole, 4-face light source board, 5-light projecting source board.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present utility model and the descriptions thereof are for illustrating the present utility model only and are not to be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model.

Example 1

As shown in fig. 1, the light source comprises a plurality of lighting devices arranged along the running direction of the tunnel, a surface light source plate 4 and a light projecting source plate 5 are arranged on the lighting devices, a plurality of surface light sources are arranged on the surface light source plate 4, a plurality of projection light sources are arranged on the light projecting source plate 5, the projection direction of the surface light sources faces the entrance of the tunnel, and the projection direction of the projection light sources faces the exit of the tunnel.

In this scheme, the orientation tunnel entry is that face light source board 4 corresponds with tunnel entry, and the orientation tunnel export is that light projecting source board 5 corresponds with tunnel export, corresponds not just, as shown in fig. 2, lighting device is including rotating the connecting piece, rotates the connecting piece and includes connecting seat 1 and set up connecting plate 2 on connecting seat 1, and connecting seat 1 sets up in the tunnel, and face light source board 4 and light projecting source board 5 all connect on connecting plate 2, and face light source board 4 is towards the one side of tunnel entry, and light projecting source board 5 is towards the one side of tunnel export.

In this embodiment, the contained angle between face light source board 4 and light projecting source board 5 and the connecting plate 2 is 45 degrees, and after the vehicle got into the tunnel, the gentle light of area source provided preliminary illumination, throws the light source and shines the vehicle from the vehicle rear, further improvement illumination effect, and not dazzling to, this scheme can also effectively reach energy-conserving, consumption reduction, emission reduction's effect.

Example 2

On the basis of the above embodiment, the light projecting source plate 5 is provided with an adjusting member for adjusting the projecting direction of the light projecting source. The adjusting piece comprises a rotating component and a rotating control center, and the rotating control center is connected with the rotating component and controls the rotating component to operate; the rotating assembly comprises a rotating connecting piece, a screw rod, a stepping motor, a screw rod nut and an adjusting rod 3, wherein the rotating connecting piece comprises a connecting seat 1 and a connecting plate 2 arranged on the connecting seat 1, the connecting plate 2 is mutually perpendicular to the connecting seat 1, one end of a light projection source plate 5 is hinged with the connecting seat 1, the stepping motor is arranged on the connecting plate 2 and is respectively connected with a rotating control center and the screw rod, the rotating control center controls the stepping motor to rotate, and the stepping motor controls the screw rod to rotate; the screw rod nut is connected with the screw rod in a matched manner and slides along the extending direction of the screw rod; one end of the adjusting rod 3 is connected with a screw nut, and the other end of the adjusting rod 3 is connected with a light projecting source plate 5. When the light projecting source plate 5 rotates, as shown in fig. 3, the screw nut slides along the extending direction of the screw rod, and drives the adjusting rod 3 to move so that the light projecting source plate 5 rotates.

In some embodiments the rotation speed of the light projecting source plate 5 is constant, since the speed in the tunnel is limited, for example to 30 yards or 60 yards, and the rotation speed of the light projecting source plate is adjusted according to the speed, the distance between two adjacent light projecting source plates, wherein the light projecting source plate can rotate 5-10 degrees per second, and the specific setting can be adjusted according to the specific situation, so as to meet the effect of the light projecting source illuminating the vehicle from behind the vehicle.

In some embodiments the vehicle movement position information comprises an average movement speed of the vehicle, the tunnel has a vehicle speed sensor detecting a vehicle running speed, the rotation speed of the light projecting source plate 5 corresponds to the vehicle speed, and when the vehicle speed is within a first threshold value, the rotation speed of the light projecting source plate is the first threshold value. The rotation speed of the light projecting source is adjusted according to the average moving speed of the vehicle, so that the light projecting source projects from the rear of the vehicle towards the outlet direction of the tunnel.

Example 3

On the basis of the above embodiment, the lighting system further includes a vehicle detection component for acquiring vehicle movement position information, and the adjusting member adjusts the direction of the light projecting source plate 5 according to the vehicle movement position information so that the light projecting source projects from the rear of the vehicle toward the tunnel exit direction. The vehicle detection assembly comprises uniform vehicle position detection sensors, such as an infrared sensor, a pressure sensor and the like, wherein the vehicle position detection sensors are uniformly arranged in the tunnel respectively, when a vehicle runs in the tunnel, the vehicle obtains the position information of the vehicle when passing one of the vehicle position detection sensors, and the position of the light projecting source plate is adjusted according to the position information of the vehicle.

In some embodiments, the distance between two adjacent light projecting source plates 5 is 2 meters, a plurality of lighting devices corresponds to a plurality of vehicle position detection sensors one by one, when in an original state, the included angle between the light projecting source plates 5 and the connecting plate 2 is 45 degrees, when a vehicle passes through one vehicle position detection sensor, the light projecting source plates 5 in the lighting devices corresponding to the vehicle position detection sensor rotate at a speed of 5 degrees per second, after rotating by 45 degrees, the light projecting source plates are perpendicular to the connecting seat 1, and return to the original state, namely, the state that the included angle between the light projecting source plates 5 and the connecting plate 2 is 45 degrees is repeatedly used.

In some embodiments, not every vehicle needs projection of a projection light source, the lighting system further includes an image acquisition component, the image acquisition component is used for acquiring images of a target vehicle, for three vehicles running continuously, the images of a first vehicle are acquired as the target vehicle, the other two vehicles are the same-vehicle, when the target vehicle passes through one vehicle position detection sensor, the projection light source plate 5 in the lighting device corresponding to the vehicle position detection sensor rotates at a speed of 5 degrees per second, and after rotating for 45 degrees, the projection light source plate is perpendicular to the connecting seat 1, returns to an original state and is reused; when the other two vehicles in the same row pass through the vehicle position detection sensor, no new trigger instruction is generated for the lighting device corresponding to the vehicle position detection sensor.

Example 4

On the basis of the above embodiment, the lighting system further includes a color temperature component for adjusting the color temperature of the tunnel entrance and the tunnel according to the color temperature information outside the tunnel. The illumination system further comprises an illumination intensity component for adjusting illumination intensity at the tunnel entrance and in the tunnel according to illumination intensity information outside the tunnel.

As shown in fig. 4, the tunnel entrance is trumpet-shaped, that is, at the tunnel entrance, the inner diameter of the tunnel entrance gradually decreases in the vehicle traveling direction, and at the tunnel exit, the tunnel exit gradually increases in the vehicle traveling direction. The horn-shaped shape can enable natural light to enter the tunnel to the greatest extent, synchronous connection of the natural light and illumination light is achieved, the problem of instant blind losing of a driver is solved, and the black and white tunnel effect of the tunnel is thoroughly achieved.

The lighting system comprises a display screen arranged in the tunnel, wherein the display screen is used for playing images. The display screen adopts a 3D landscape imaging technology; the natural landscape is extended into the tunnel wall, so that the perfect combination of the natural landscape and the tunnel wall is realized, the pressure of a driver is relieved, and the comfort of drivers and passengers is improved.

The embodiment adopts the synchronous control technology of natural light and illumination light; the first illumination sensor, the second illumination sensor and the third illumination sensor are respectively positioned outside the tunnel portal, inside the tunnel portal and inside each section, and are respectively used for monitoring illumination intensity information outside the tunnel portal, inside the tunnel portal and inside each section; setting a set value of the illumination intensity in each section according to the difference value between the illumination intensity information outside the tunnel portal and the illumination intensity information inside the tunnel portal, and controlling the tunnel lamp to work through the section controller according to the set value of the illumination intensity in each section and the actually measured value of the illumination intensity in each section, so that the illumination intensity and the color temperature in the tunnel extension section are synchronous with the natural illumination intensity and the color temperature.

The term "coupled" as used herein, unless otherwise indicated, may be either directly or indirectly through other elements.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (9)

1. The illumination system for adjusting the illumination intensity of the tunnel is characterized by comprising a plurality of illumination devices arranged along the running direction of the tunnel, wherein each illumination device comprises a surface light source plate (4) and a light projection source plate (5), a plurality of surface light sources are arranged on the surface light source plate (4), a plurality of light projection sources are arranged on the light projection source plate (5), the projection direction of each surface light source faces to the entrance of the tunnel, and the projection direction of each light projection source faces to the exit of the tunnel; be provided with the regulating part on light projecting source board (5), the regulating part is used for driving light projecting source board (5) rotation.

2. The illumination system for adjusting illumination intensity of tunnel according to claim 1, wherein the illumination device comprises a connecting seat (1) and a connecting plate (2) arranged on the connecting seat (1), the surface light source plate (4) and the light projecting source plate (5) are respectively arranged on two sides of the connecting plate (2), one end of the light projecting source plate (5) is hinged with the connecting seat (1), the adjusting piece is arranged on the connecting plate (2), and the light projecting source plate (5) rotates by taking the connecting position of the light projecting source plate and the connecting seat (1) as a circle center.

3. A lighting system for adjusting illumination intensity of a tunnel according to claim 2, characterized in that the adjusting member comprises a screw rod, a stepping motor, a screw nut and an adjusting rod (3), the stepping motor is arranged on the connecting plate (2), the stepping motor is connected with the screw rod, and the stepping motor controls the screw rod to rotate; the screw rod nut is connected with the screw rod in a matched manner and slides along the extending direction of the screw rod; one end of the adjusting rod (3) is connected with a screw nut, and the light projecting source plate (5) is driven to rotate through a stepping motor.

4. A lighting system for adjusting illumination intensity of a tunnel according to claim 1, wherein the lighting system comprises a plurality of vehicle detecting components for acquiring information of a moving position of the vehicle, the plurality of vehicle detecting components being arranged along a traveling direction of the tunnel, the plurality of vehicle detecting components being in one-to-one correspondence with the plurality of lighting devices.

5. A lighting system for adjusting the intensity of illumination of a tunnel as recited in claim 4, wherein the vehicle sensing component is a pressure sensor.

6. A lighting system for adjusting the illumination intensity of a tunnel according to claim 1, characterized in that the angle between the light projecting source plate (5) and the connection base (1) is 45-90 degrees, and the angle between the surface light source plate (4) and the connection plate (2) is 45 degrees.

7. A lighting system for adjusting illumination intensity of a tunnel as recited in claim 1, wherein the lighting system comprises a display screen disposed within the tunnel, the display screen being adapted to play images.

8. A lighting system for adjusting illumination intensity of a tunnel as recited in claim 1, further comprising a color temperature component for adjusting a color temperature at the tunnel entrance and within the tunnel based on color temperature information outside the tunnel.

9. A lighting system for adjusting illumination intensity of a tunnel as recited in claim 1, wherein the tunnel entrance is trumpet-shaped.