CN107507438B - Self-adaptive projection type traffic light - Google Patents
Self-adaptive projection type traffic light Download PDFInfo
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- CN107507438B CN107507438B CN201710728057.7A CN201710728057A CN107507438B CN 107507438 B CN107507438 B CN 107507438B CN 201710728057 A CN201710728057 A CN 201710728057A CN 107507438 B CN107507438 B CN 107507438B
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- panel
- porous mirror
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- cavity
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/12—Combinations of only three kinds of elements
- F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, reflectors and refractors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Traffic Control Systems (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention provides a self-adaptive projection type traffic light which comprises three lamp holders, namely a red lamp holder, a yellow lamp holder and a green lamp holder; each lamp holder comprises a base shell with a cavity inside; a monochromatic light source panel capable of generating horizontal linear beams is arranged in the cavity, a porous mirror panel is obliquely arranged in front of the cavity, the lower side of the porous mirror panel is pivoted with the base shell, and an armature is arranged on the upper side of the porous mirror panel; an electromagnet is arranged at the position, close to the armature, of the upper side of the cavity; when the porous mirror surface plate is not subjected to the magnetic attraction force and moves, each horizontal linear light beam penetrates through each through hole and then irradiates the optical diffusion plate arranged in front of the porous mirror surface plate; a photovoltaic panel which can collect the sunlight illumination behind the base shell is arranged behind the monochromatic light source panel and outputs the sunlight illumination to the electromagnet after passing through the amplifying module; when the exciting current of the electromagnet reaches a set value, the upper side of the porous mirror surface plate is attracted upwards, and at the moment, each linear light beam is reflected downwards by the mirror surface of the porous mirror surface plate and then emitted to the ground. The traffic light can enable a driver to easily see the current light color under the condition of facing the sun, and the traffic safety is improved.
Description
Technical Field
The invention relates to the field of traffic facilities, in particular to a traffic light.
Background
The traffic light is a basic traffic facility, and can improve the traffic order of traffic intersections to a great extent. However, under the condition of facing the sun, a driver usually clearly sees the current color of the traffic light to the front and the upper side, and the red light running phenomenon is easy to happen, so that the traffic safety hidden trouble is caused.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an adaptive projection type traffic light, which can make a driver easily see a current light color when facing the sun, thereby improving traffic safety.
The technical scheme adopted by the invention for solving the technical problems is as follows: the self-adaptive projection type traffic light comprises three lamp holders of red, yellow and green; each lamp holder comprises a base shell, and a cavity extending forwards and backwards is formed in the base shell; a monochromatic light source panel coaxial with the cavity is arranged in the cavity, and light beam sources capable of generating horizontal linear light beams are uniformly distributed on the monochromatic light source panel; a porous mirror panel is obliquely arranged in front of the monochromatic light source panel, and the lower side of the porous mirror panel is pivoted with the base shell; the upper side of the porous mirror panel is provided with an armature; an electromagnet is arranged at the position, close to the armature, of the upper side of the cavity; when the porous mirror surface plate is not subjected to magnetic attraction force and moves, the through holes on the porous mirror surface plate correspond to the light beams of the light beam sources one by one, and the horizontal linear light beams penetrate through the through holes and then irradiate the optical diffusion plate arranged in front of the porous mirror surface plate; a photovoltaic panel capable of collecting sunlight illumination behind the base shell is arranged behind the monochromatic light source panel, and the photovoltaic panel passes through the amplifying module and then is output to the electromagnet; when the exciting current of the electromagnet reaches a set value, the upper side of the porous mirror surface plate is attracted upwards, at the moment, the porous mirror surface plate and the horizontal plane form an angle of 45 degrees, and the through holes of the porous mirror surface plate and the linear light beams are staggered one by one, so that the mirror surface of the porous mirror surface plate reflects the linear light beams downwards and the linear light beams penetrate through the transparent plate below the porous mirror surface plate and then irradiate to the ground.
Preferably, the beam sources are formed by light emitting diodes with a light condensing structure, so that the diameters of the linear beams generated by the beam sources are gradually enlarged along the light path, so that the linear beams form larger light spots when being irradiated to the ground, and the light spots formed by the beam sources on the ground are combined into a traffic signal light spot with a solid color block basically.
Preferably, the photovoltaic panel is obliquely arranged in the cavity, the lighting surface of the photovoltaic panel is inclined upwards, and the intersection angle of the photovoltaic panel and the vertical plane is 15-30 degrees; when the inclination angle between the sun and the ground is 15-30 degrees, (at the moment, an automobile driver facing the sun is dazzled), the sunlight illumination is approximately vertical to the photovoltaic panel, and the output voltage of the photovoltaic panel is approximately maximum.
Preferably, the center of the monochromatic light source panel is provided with a yielding hole, the photovoltaic panel is an annular plate, the middle part of the photovoltaic panel is provided with a convex lens, and the focus of the convex lens is positioned at the center of the yielding hole; the surface light sides of the transparent plate and the optical diffusion plate are respectively provided with a filter layer, and the filter layers only can enable illumination consistent with the light color of the light beam source to pass through; therefore, a part of external sunlight can irradiate the porous mirror panel, and is reflected downwards and filtered to reach the ground, and traffic signal light spots reflected to the ground by the monochromatic light source panel through the porous mirror panel are obviously enhanced, so that the observability is further improved.
The invention has the beneficial effects that: under the condition that the sunlight illumination behind the lamp holder is low, the voltage output of the photovoltaic panel is weak, the exciting current of the electromagnet is small, and the armature on the upper side of the porous mirror panel cannot be attracted; at this time, the straight light beams generated by the light beam sources penetrate through the through holes on the porous mirror panel and then are irradiated on the optical diffusion panel, so that common traffic signals are formed; and under the condition that the sunlight is strong behind the lamp holder, the voltage output of the photovoltaic panel is greatly increased, so that the exciting current of the electromagnet breaks through a set value to attract the upper side of the porous mirror panel upwards, each through hole of the porous mirror panel and each linear light beam are staggered one by one, the mirror surface of the porous mirror panel reflects each linear light beam downwards to penetrate through the transparent plate below the porous mirror panel and then irradiate the transparent plate to the ground, and therefore traffic signal light spots are formed on the ground.
Drawings
Fig. 1 is a schematic structural diagram of an adaptive projection traffic light according to a first embodiment of the present invention in a first state.
FIG. 2 is a schematic structural diagram of an adaptive projection traffic light in a second state according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a second embodiment of the adaptive projection traffic light.
Detailed Description
The invention is further illustrated with reference to the following figures and examples:
the first embodiment is as follows:
the invention relates to a self-adaptive projection type traffic light which comprises three lamp heads of red, yellow and green; an embodiment of each lamp cap is shown in fig. 1, and includes a base shell 1, wherein a cavity 10 extending back and forth is formed inside the base shell 1; a monochromatic light source panel 2 coaxial with the cavity 10 is arranged in the cavity 10, and beam sources capable of generating horizontal linear beams are uniformly distributed on the monochromatic light source panel 2; a porous mirror panel 3 is obliquely arranged in front of the monochromatic light source panel 2, and the lower side of the porous mirror panel 3 is pivoted with the base shell 1; the upper side of the porous mirror panel 3 is provided with an armature 31; an electromagnet 4 is arranged at the position, close to the armature 31, of the upper side of the cavity 10; when the porous mirror surface plate 3 is not magnetically attracted and moves, as shown in fig. 1, each through hole on the porous mirror surface plate 3 corresponds to the light beam of each light beam source one by one, and each horizontal linear light beam passes through each through hole and then irradiates an optical diffuser plate 5 arranged in front of the porous mirror surface plate 3; a photovoltaic panel 6 capable of collecting sunlight illumination behind the base shell 1 is arranged behind the monochromatic light source panel 2, and the photovoltaic panel 6 passes through an amplifying module and then is output to the electromagnet 4; when the exciting current of the electromagnet 4 reaches a set value, the upper side of the porous mirror panel 3 is attracted upwards, at the moment, as shown in fig. 2, the angle between the horizontal plane and the porous mirror panel 3 is 45 degrees, and the through holes of the porous mirror panel 3 and the linear light beams are staggered one by one, so that the mirror surface of the porous mirror panel 3 reflects the linear light beams downwards, and the linear light beams penetrate through the transparent plate 7 below the porous mirror panel 3 and then irradiate the ground.
In the traffic light, the beam sources are formed by the light emitting diodes with the light condensing structures, so that the diameters of the linear beams generated by the beam sources are gradually enlarged along with the radiation path, and then the linear beams irradiate the ground to form larger light spots, and the light spots formed by the beam sources on the ground are synthesized into a traffic signal light spot with a solid color block, so that the traffic signal light spot is prevented from being formed by a large number of small light spot arrays to influence the vision.
In the traffic light, the photovoltaic panel 6 is obliquely arranged in the cavity 10, the lighting surface of the photovoltaic panel 6 is obliquely upward, and the intersection angle between the photovoltaic panel 6 and the vertical plane is 15-30 degrees. Normally, when the inclination angle of the sun to the ground is 15-30 degrees, the driver of the automobile facing the sun is dazzled, so that the electromagnet 4 is required to have the maximum exciting current; when the intersection angle of the photovoltaic panel 6 and the vertical plane is 15-30 degrees, and the inclination angle of the sun and the ground is 15-30 degrees, the sunlight illumination is approximately vertical to the photovoltaic panel 6, the output voltage of the photovoltaic panel 6 is approximately maximum, and the electromagnet 4 can basically form the maximum exciting current.
Under the condition that the sunlight illumination behind the lamp holder is low, the voltage output of the photovoltaic panel 6 is weak, the exciting current of the electromagnet 4 is small, and the armature 31 on the upper side of the porous mirror panel 3 cannot be attracted; at this time, the straight light beams generated by the light beam sources pass through the through holes of the porous mirror plate 3 and are irradiated onto the optical diffusion plate 5, so that a common traffic signal is formed; and under the condition that the sunlight is strong behind the lamp holder, the voltage output of the photovoltaic panel 6 is greatly increased, so that the exciting current of the electromagnet 4 breaks through a set value to attract the upper side of the porous mirror panel 3 upwards, each through hole of the porous mirror panel 3 is staggered with each linear light beam one by one, and each linear light beam is reflected downwards by the mirror surface of the porous mirror panel 3 and penetrates through the transparent plate 7 below the porous mirror panel 3 to be emitted to the ground, so that a traffic signal light spot is formed on the ground, and at the moment, as the visual angle is obviously reduced, a driver can clearly observe the traffic signal state, and the traffic safety is favorably improved.
Example two:
for the second embodiment shown in fig. 3, it is different from the first embodiment in that an abdicating hole 20 is formed in the center of the monochromatic light source panel 2, the photovoltaic panel 6 is an annular panel, and a convex lens 8 is arranged in the middle of the photovoltaic panel, and the focus of the convex lens 8 is located in the center of the abdicating hole 20; the transparent plate and the optical diffusion plate 5 are provided with a filter layer on the surface light side, and the filter layer only can pass light with the same light color as that of the light beam source.
According to the second embodiment, a part of the external sunlight can irradiate on the porous mirror panel 3, and after being reflected downwards and filtered, the sunlight reaches the ground, so that the traffic signal light spots reflected to the ground by the monochromatic light source panel 2 through the porous mirror panel 3 are obviously enhanced, and the observability is further improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, but rather as the subject matter of the invention is intended to cover all modifications, equivalents and alternatives falling within the spirit and scope of the present invention.
Claims (4)
1. A self-adaptive projection type traffic light comprises three lamp holders of red, yellow and green; each lamp holder is including basic shell (1), its characterized in that: a cavity (10) extending forwards and backwards is formed in the base shell (1); a monochromatic light source panel (2) coaxial with the cavity (10) is arranged in the cavity (10), and beam sources capable of generating horizontal linear beams are uniformly distributed on the monochromatic light source panel (2); a porous mirror panel (3) is obliquely arranged in front of the monochromatic light source panel (2), and the lower side of the porous mirror panel (3) is pivoted with the base shell (1); an armature iron (31) is arranged on the upper side of the porous mirror panel (3); an electromagnet (4) is arranged at the position, close to the armature (31), of the upper side of the cavity (10); when the porous mirror surface plate (3) is not subjected to magnetic attraction force and moves, the through holes on the porous mirror surface plate (3) correspond to the light beams of the light beam sources one by one, and the horizontal linear light beams penetrate through the through holes and then irradiate the optical diffusion plate (5) arranged in front of the porous mirror surface plate (3); a photovoltaic panel (6) capable of collecting sunlight illumination behind the base shell (1) is arranged behind the monochromatic light source panel (2), and the photovoltaic panel (6) passes through an amplifying module and then is output to the electromagnet (4); when the exciting current of the electromagnet (4) reaches a set value, the upper side of the porous mirror panel (3) is attracted upwards, at the moment, the porous mirror panel (3) forms an angle of 45 degrees with the horizontal plane, and the through holes of the porous mirror panel (3) are staggered with the linear light beams one by one, so that the mirror surface of the porous mirror panel (3) reflects the linear light beams downwards, and the linear light beams penetrate through the transparent plate (7) below the porous mirror panel (3) and then irradiate the ground.
2. The adaptive projection traffic lamp of claim 1, wherein: the beam source is composed of a light emitting diode with a light condensing structure, so that the diameter of a linear beam generated by the light emitting diode is gradually enlarged along the radiation path.
3. The adaptive projection traffic lamp of claim 1 or 2, characterized in that: the photovoltaic panel (6) is obliquely arranged in the cavity (10), the lighting surface of the photovoltaic panel (6) is upward in an inclined manner, and the intersection angle between the photovoltaic panel (6) and the vertical plane is 15-30 degrees.
4. The adaptive projection traffic lamp of claim 1 or 2, characterized in that: a yielding hole (20) is formed in the center of the monochromatic light source panel (2), the photovoltaic panel (6) is an annular plate, a convex lens (8) is arranged in the middle of the photovoltaic panel, and the focus of the convex lens (8) is located in the center of the yielding hole (20); and the surface light sides of the transparent plate (7) and the optical diffusion plate (5) are respectively provided with a filter layer which can only allow illumination consistent with the light color of the light beam source to pass through.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710728057.7A CN107507438B (en) | 2017-08-23 | 2017-08-23 | Self-adaptive projection type traffic light |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710728057.7A CN107507438B (en) | 2017-08-23 | 2017-08-23 | Self-adaptive projection type traffic light |
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| CN107507438A CN107507438A (en) | 2017-12-22 |
| CN107507438B true CN107507438B (en) | 2020-06-09 |
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| CN201710728057.7A Active CN107507438B (en) | 2017-08-23 | 2017-08-23 | Self-adaptive projection type traffic light |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343905B (en) * | 2018-06-08 | 2020-05-01 | 润驰照明集团有限公司 | LED street lamp |
| CN109166331B (en) * | 2018-07-25 | 2020-07-28 | 浙江海鸿工业产品设计有限公司 | Traffic signal lamp based on Internet of things |
| CN108986497B (en) * | 2018-07-26 | 2020-12-29 | 神州交通工程集团扬州智控电气有限公司 | Solar traffic signal lamp |
| CN108986496B (en) * | 2018-07-26 | 2021-09-24 | 扬州同略科技发展有限公司 | Modular traffic signal lamp |
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| CN107507438A (en) | 2017-12-22 |
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