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CN106652509B - A double-sided luminous LED traffic signal light - Google Patents

A double-sided luminous LED traffic signal light Download PDF

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Publication number
CN106652509B
CN106652509B CN201611157323.7A CN201611157323A CN106652509B CN 106652509 B CN106652509 B CN 106652509B CN 201611157323 A CN201611157323 A CN 201611157323A CN 106652509 B CN106652509 B CN 106652509B
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light source
led
source body
led light
lampshade
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CN106652509A (en
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曹艳亭
郝锦玲
梁培
舒海波
黄杰
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China Jiliang University
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    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/095Traffic lights
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

本发明公开一种双面发光的LED交通信号灯,包括第一安装壳、散热板、第一LED光源体、控制装置、准直装置、分光体、第一灯罩;所述的第一灯罩和第一安装壳连接;所述的第一LED光源体设置在散热板上,所述的准直装置放在分光体和第一LED光源体之间;所述的分光体为中空圆台结构,分光体的侧面为全反光面,所述的第一LED光源体包括红、绿、黄三种颜色的LED芯片。该交通信号灯可同时双面发光,减少路口处信号灯的使用量;把原信号灯颜色与文字结合,使具有轻微色盲病状的驾驶员很容易直观判断该路口的行驶命令。

The present invention discloses a double-sided luminous LED traffic light, comprising a first mounting shell, a heat sink, a first LED light source, a control device, a collimating device, a light splitter, and a first lampshade; the first lampshade is connected to the first mounting shell; the first LED light source is arranged on the heat sink, and the collimating device is placed between the light splitter and the first LED light source; the light splitter is a hollow truncated cone structure, the side of the light splitter is a full-reflective surface, and the first LED light source includes LED chips of three colors: red, green, and yellow. The traffic light can emit light from both sides at the same time, reducing the use of signal lights at intersections; the original signal light color is combined with text, so that drivers with mild color blindness can easily and intuitively judge the driving command of the intersection.

Description

一种双面发光的LED交通信号灯A double-sided luminous LED traffic signal light

技术领域:Technical field:

本发明涉及LED照明领域,尤其涉及一种双面发光的LED交通信号灯。The invention relates to the field of LED lighting, and in particular to a double-sided luminous LED traffic signal lamp.

背景技术:Background technology:

在一个‘十’字路口至少需要两种交通信号灯,且每种至少安装四个,既增加了信号灯的使用量又耗费人力。另外,有研究表明有很多驾驶员具有轻微的色盲病状,对单一色彩不敏感,在路口识别红绿灯时较为困难。At least two types of traffic lights are required at a crossroads, and at least four of each type are installed, which increases the usage of traffic lights and consumes manpower. In addition, studies have shown that many drivers have mild color blindness and are insensitive to single colors, making it difficult for them to identify traffic lights at intersections.

发明内容:Summary of the invention:

为了解决上述现有技术的不足,本发明所提供的一种双面发光的LED交通信号灯,其特点在于:该交通信号灯可同时双面发光,减少路口处信号灯的使用量;把原信号灯颜色与文字结合,使具有轻微色盲病状的驾驶员很容易直观判断该路口的行驶命令。In order to solve the above-mentioned deficiencies of the prior art, the present invention provides a double-sided luminous LED traffic light, which has the following characteristics: the traffic light can emit light on both sides at the same time, reducing the use of traffic lights at intersections; the original traffic light color is combined with text, so that drivers with mild color blindness can easily and intuitively judge the driving commands at the intersection.

为了解决其技术问题,本发明采用如下的技术方案:In order to solve the technical problem, the present invention adopts the following technical solution:

一种双面发光的LED交通信号灯,包括第一安装壳(1)、散热板(2)、第一LED光源体(3)、控制装置、准直装置(4)、分光体(5)、第一灯罩(6)、第二灯罩(7);所述的第一灯罩(6)和第二灯罩(7)与第一安装壳(1)连接;所述的第一LED光源体(3)设置在散热板(2)上,所述的准直装置(4)放在分光体(5)和第一LED光源体(3)之间;所述的分光体(5)为中空圆台结构,分光体(5)的侧面为全反光面,所述的第一LED光源体(3)包括红、绿、黄三种颜色的LED芯片。A double-sided luminous LED traffic signal lamp comprises a first mounting shell (1), a heat sink (2), a first LED light source (3), a control device, a collimating device (4), a beam splitter (5), a first lampshade (6), and a second lampshade (7); the first lampshade (6) and the second lampshade (7) are connected to the first mounting shell (1); the first LED light source (3) is arranged on the heat sink (2), and the collimating device (4) is placed between the beam splitter (5) and the first LED light source (3); the beam splitter (5) is a hollow truncated cone structure, and the side surface of the beam splitter (5) is a full-reflecting surface; the first LED light source (3) comprises LED chips of three colors: red, green, and yellow.

所述的第二灯罩(7)和第一安装壳(1)之间设置可伸缩结构(8)。A retractable structure (8) is provided between the second lampshade (7) and the first mounting shell (1).

还包括第二安装壳(9)、第三灯罩(12)、第二LED光源体(10)和第三LED光源体(11);所述的第二安装壳(9)使第一安装壳(1)嵌入其中;所述的第二LED光源体(10)设置在散热板(2)上,且与第一LED光源体(3)不在散热板(2)的同一面;所述的第三LED光源体(11)安装在第二安装壳(9)中;所述的第二LED光源体(10)和第三LED光源体(11)包括红、绿、黄三种颜色的LED芯片。The invention also comprises a second mounting shell (9), a third lampshade (12), a second LED light source body (10) and a third LED light source body (11); the second mounting shell (9) embeds the first mounting shell (1) therein; the second LED light source body (10) is arranged on the heat dissipation plate (2) and is not on the same surface of the heat dissipation plate (2) as the first LED light source body (3); the third LED light source body (11) is installed in the second mounting shell (9); the second LED light source body (10) and the third LED light source body (11) comprise LED chips of three colors: red, green and yellow.

所述的第二LED光源体(10)中的红色LED芯片排列成‘红’字形,绿色LED芯片排列成‘绿’字形,黄色芯片排列成‘黄’字形;所述的第三LED光源体(11)中的红色LED芯片排列成‘红’字形,绿色LED芯片排列成‘绿’字形,黄色芯片排列成‘黄’字形,且‘红’、‘绿’、‘黄’均圆周分布。The red LED chips in the second LED light source body (10) are arranged in the shape of the Chinese character "red", the green LED chips are arranged in the shape of the Chinese character "green", and the yellow chips are arranged in the shape of the Chinese character "yellow"; the red LED chips in the third LED light source body (11) are arranged in the shape of the Chinese character "red", the green LED chips are arranged in the shape of the Chinese character "green", and the yellow chips are arranged in the shape of the Chinese character "yellow", and the "red", "green" and "yellow" are all distributed in a circle.

有益效果:Beneficial effects:

1、该LED交通信号灯可以同时双面发光,并且一个灯可完成三种颜色变化,减少信号灯的使用数量,降低安装成本。1. The LED traffic light can emit light on both sides at the same time, and one light can change three colors, reducing the number of signal lights used and reducing installation costs.

2、仅需一个光源即第一LED光源体可实现双面发光,结构简单,方便控制。2. Only one light source, namely the first LED light source body, is required to realize double-sided light emission, with a simple structure and convenient control.

3、第一LED光源体、第二LED光源体和第三LED光源体共同使用,把原信号灯颜色与文字结合起来,使具有轻微色盲病状的驾驶员很容易直观判断该路口的行驶命令。3. The first LED light source, the second LED light source and the third LED light source are used together to combine the original signal light color with text, so that drivers with mild color blindness can easily and intuitively judge the driving command of the intersection.

附图说明:Description of the drawings:

以下结合说明书附图及具体实施方式对本发明作进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

图1为本发明实施例一中的结构示意简图;FIG1 is a schematic diagram of the structure of Embodiment 1 of the present invention;

图2为本发明实施例二中的结构示意简图;FIG2 is a schematic diagram of the structure of the second embodiment of the present invention;

图3为本发明实施例二中第三LED光源体的芯片分布图;FIG3 is a chip distribution diagram of a third LED light source body in the second embodiment of the present invention;

图中1为第一安装壳,2为散热板,3为第一LED光源体,4为准直装置,5为分光体,6为第一灯罩,7为第二灯罩,8为伸缩结构,9为第二安装壳,10为第二LED光源体,11为第三LED光源体,12为第三灯罩,In the figure, 1 is a first mounting shell, 2 is a heat sink, 3 is a first LED light source body, 4 is a collimating device, 5 is a beam splitter, 6 is a first lampshade, 7 is a second lampshade, 8 is a telescopic structure, 9 is a second mounting shell, 10 is a second LED light source body, 11 is a third LED light source body, 12 is a third lampshade,

具体实施方式:Specific implementation method:

实施例一Embodiment 1

如图1所示,一种双面发光的LED交通信号灯,包括第一安装壳1、散热板2、第一LED光源体3、控制装置、准直装置4、分光体5、第一灯罩6、第二灯罩7;所述的第一灯罩6和第二灯罩7与第一安装壳1连接;所述的第一LED光源体3设置在散热板2上,所述的准直装置4放在分光体5和第一LED光源体3之间;所述的分光体5为中空圆台结构,分光体5的侧面为全反光面,所述的第一LED光源体3包括红、绿、黄三种颜色的LED芯片。控制装置控制三种颜色灯光的交替时间,第一LED光源体3发出的光线经准直装置4到达分光体5,分光体5侧面的光被反射,在反射方向的第二灯罩7上形成环形光斑,一部分光线经分光体5的中空结构,在光传播方向的第一灯罩6上形成圆形光斑。As shown in FIG1 , a double-sided luminous LED traffic signal light comprises a first mounting shell 1, a heat sink 2, a first LED light source 3, a control device, a collimating device 4, a beam splitter 5, a first lampshade 6, and a second lampshade 7; the first lampshade 6 and the second lampshade 7 are connected to the first mounting shell 1; the first LED light source 3 is arranged on the heat sink 2, and the collimating device 4 is placed between the beam splitter 5 and the first LED light source 3; the beam splitter 5 is a hollow truncated cone structure, and the side of the beam splitter 5 is a full-reflecting surface, and the first LED light source 3 comprises LED chips of three colors: red, green, and yellow. The control device controls the alternating time of the three colors of light, and the light emitted by the first LED light source 3 reaches the beam splitter 5 through the collimating device 4, and the light on the side of the beam splitter 5 is reflected to form an annular light spot on the second lampshade 7 in the reflection direction, and a part of the light passes through the hollow structure of the beam splitter 5 to form a circular light spot on the first lampshade 6 in the light propagation direction.

实施例二Embodiment 2

如图2所示,一种双面发光的LED交通信号灯,包括第一安装壳1、散热板2、第一LED光源体3、控制装置、准直装置4、分光体5、第一灯罩6、第二灯罩7、第二安装壳9、第三灯罩12、第二LED光源体10和第三LED光源体11。所述的第一灯罩6和第二灯罩7与第一安装壳1连接;所述的第一LED光源体3设置在散热板2上,所述的准直装置4放在分光体5和第一LED光源体3之间;所述的分光体5为中空圆台结构,分光体5的侧面为全反光面;所述的第二安装壳9使第一安装壳1嵌入其中;所述的第二LED光源体10设置在散热板2上,且与第一LED光源体3不在散热板2的同一面;所述的第三LED光源体11安装在第二安装壳9中;所述的第一LED光源体3、第二LED光源体10和第三LED光源体11包括红、绿、黄三种颜色的LED芯片。所述的第二灯罩7和第一安装壳1之间设置可伸缩结构8。As shown in Fig. 2, a double-sided luminous LED traffic signal lamp comprises a first mounting shell 1, a heat sink 2, a first LED light source 3, a control device, a collimating device 4, a light splitter 5, a first lampshade 6, a second lampshade 7, a second mounting shell 9, a third lampshade 12, a second LED light source 10 and a third LED light source 11. The first lampshade 6 and the second lampshade 7 are connected to the first mounting shell 1; the first LED light source 3 is arranged on the heat sink 2, and the collimating device 4 is placed between the light splitter 5 and the first LED light source 3; the light splitter 5 is a hollow truncated cone structure, and the side of the light splitter 5 is a full-reflective surface; the second mounting shell 9 embeds the first mounting shell 1 therein; the second LED light source 10 is arranged on the heat sink 2, and is not on the same surface of the heat sink 2 as the first LED light source 3; the third LED light source 11 is mounted in the second mounting shell 9; the first LED light source 3, the second LED light source 10 and the third LED light source 11 include LED chips of three colors: red, green and yellow. A retractable structure 8 is arranged between the second lampshade 7 and the first mounting shell 1 .

控制装置同时控制第一LED光源体3、第二LED光源体10和第三LED光源体11中每种颜色芯片的发光时间,第一LED光源体3发出的光线经准直装置4到达分光体5,分光体5侧面的光被反射,在反射方向的第二灯罩7上形成环形光斑,一部分光线经分光体5的中空结构,在光传播方向的第一灯罩6上形成圆形光斑;第二LED光源体10发出的光线在第二灯罩7上形成圆形光斑,此圆形光斑与环形光斑合成大的圆形光斑;第三LED光源体11发出的光线形成环形光斑,与第一LED光源体3形成的圆形光斑,合并成大的圆形光斑;两个照射方向上形成大小相同的照射光斑。控制装置根据每种颜色芯片的发光时间控制伸缩结构8的工作过程,伸缩结构8收缩时,光环逐渐减小,当更换发光芯片时,伸缩结构8恢复到原状态。The control device simultaneously controls the luminous time of each color chip in the first LED light source body 3, the second LED light source body 10 and the third LED light source body 11. The light emitted by the first LED light source body 3 reaches the beam splitter 5 through the collimating device 4. The light on the side of the beam splitter 5 is reflected to form an annular light spot on the second lampshade 7 in the reflection direction. A part of the light passes through the hollow structure of the beam splitter 5 to form a circular light spot on the first lampshade 6 in the light propagation direction; the light emitted by the second LED light source body 10 forms a circular light spot on the second lampshade 7, and this circular light spot and the annular light spot are combined into a large circular light spot; the light emitted by the third LED light source body 11 forms an annular light spot, which is combined with the circular light spot formed by the first LED light source body 3 to form a large circular light spot; and irradiation light spots of the same size are formed in the two irradiation directions. The control device controls the working process of the telescopic structure 8 according to the luminous time of each color chip. When the telescopic structure 8 contracts, the light ring gradually decreases. When the light-emitting chip is replaced, the telescopic structure 8 returns to its original state.

实施例三Embodiment 3

如图2所示,一种双面发光的LED交通信号灯,包括第一安装壳1、散热板2、第一LED光源体3、控制装置、准直装置4、分光体5、第一灯罩6、第二灯罩7、第二安装壳9、第三灯罩12、第二LED光源体10和第三LED光源体11。所述的第一灯罩6和第二灯罩7与第一安装壳1连接;所述的第一LED光源体3设置在散热板2上,所述的准直装置4放在分光体5和第一LED光源体3之间;所述的分光体5为中空圆台结构,分光体5的侧面为全反光面;所述的第二安装壳9使第一安装壳1嵌入其中;所述的第二LED光源体10设置在散热板2上,且与第一LED光源体3不在散热板2的同一面;所述的第三LED光源体11安装在第二安装壳9中;所述的第一LED光源体3、第二LED光源体10和第三LED光源体11包括红、绿、黄三种颜色的LED芯片。所述的第二灯罩7和第一安装壳1之间设置可伸缩结构8。所述的第二LED光源体10中的红色LED芯片排列成‘红’字形,绿色LED芯片排列成‘绿’字形,黄色芯片排列成‘黄’字形;如图3所示,所述的第三LED光源体11中的红色LED芯片排列成‘红’字形,绿色LED芯片排列成‘绿’字形,黄色芯片排列成‘黄’字形,且‘红’、‘绿’、‘黄’均圆周分布。As shown in Fig. 2, a double-sided luminous LED traffic signal lamp comprises a first mounting shell 1, a heat sink 2, a first LED light source 3, a control device, a collimating device 4, a light splitter 5, a first lampshade 6, a second lampshade 7, a second mounting shell 9, a third lampshade 12, a second LED light source 10 and a third LED light source 11. The first lampshade 6 and the second lampshade 7 are connected to the first mounting shell 1; the first LED light source 3 is arranged on the heat sink 2, and the collimating device 4 is placed between the light splitter 5 and the first LED light source 3; the light splitter 5 is a hollow truncated cone structure, and the side of the light splitter 5 is a full-reflective surface; the second mounting shell 9 embeds the first mounting shell 1 therein; the second LED light source 10 is arranged on the heat sink 2, and is not on the same surface of the heat sink 2 as the first LED light source 3; the third LED light source 11 is mounted in the second mounting shell 9; the first LED light source 3, the second LED light source 10 and the third LED light source 11 include LED chips of three colors: red, green and yellow. A retractable structure 8 is arranged between the second lampshade 7 and the first mounting shell 1. The red LED chips in the second LED light source body 10 are arranged in the shape of the Chinese character "red", the green LED chips are arranged in the shape of the Chinese character "green", and the yellow chips are arranged in the shape of the Chinese character "yellow". As shown in FIG3 , the red LED chips in the third LED light source body 11 are arranged in the shape of the Chinese character "red", the green LED chips are arranged in the shape of the Chinese character "green", and the yellow chips are arranged in the shape of the Chinese character "yellow", and the "red", "green", and "yellow" are all distributed in a circle.

控制装置同时控制第一LED光源体3、第二LED光源体10和第三LED光源体11中每种颜色芯片的发光时间,第一LED光源体3发出的光线经准直装置4到达分光体5,分光体5侧面的光被反射,在反射方向的第二灯罩7上形成环形光斑,一部分光线经分光体5的中空结构,在光传播方向的第一灯罩6上形成圆形光斑;第二LED光源体10发出的光线在第二灯罩7上形成圆形‘红’、‘绿’或‘黄’字形的光斑;第三LED光源体11发出的光线在第一灯罩6上形成圆周排列的‘红’、‘绿’或‘黄’字形的光斑。The control device simultaneously controls the light-emitting time of each color chip in the first LED light source body 3, the second LED light source body 10 and the third LED light source body 11. The light emitted by the first LED light source body 3 reaches the spectrometer 5 through the collimating device 4, and the light on the side of the spectrometer 5 is reflected to form a ring-shaped light spot on the second lampshade 7 in the reflection direction. Part of the light passes through the hollow structure of the spectrometer 5 to form a circular light spot on the first lampshade 6 in the light propagation direction; the light emitted by the second LED light source body 10 forms a circular "red", "green" or "yellow" shaped light spot on the second lampshade 7; the light emitted by the third LED light source body 11 forms a circular "red", "green" or "yellow" shaped light spot on the first lampshade 6.

Claims (1)

1. The double-sided luminous LED traffic signal lamp is characterized by comprising a first mounting shell (1), a heat radiating plate (2), a first LED light source body (3), a control device, a collimation device (4), a light splitting body (5), a first lampshade (6), a second lampshade (7), a telescopic structure (8), a second mounting shell (9), a third lampshade (12), a second LED light source body (10) and a third LED light source body (11); the first lampshade (6) and the second lampshade (7) are connected with the first installation shell (1), and a telescopic structure (8) is arranged between the second lampshade (7) and the first installation shell (1); the first LED light source body (3) is arranged on the radiating plate (2), and the collimating device (4) is arranged between the light splitting body (5) and the first LED light source body (3); the second LED light source body (10) is arranged on the radiating plate (2) and is not on the same surface of the radiating plate (2) with the first LED light source body (3); the third LED light source body (11) is arranged in the second installation shell (9); the light splitting body (5) is of a hollow round platform structure, the side surface of the light splitting body (5) is a full reflection surface, and the first LED light source body (3), the second LED light source body (10) and the third LED light source body (11) comprise LED chips with three colors of red, green and yellow; the red LED chips in the second LED light source body (10) are arranged in a red shape, the green LED chips are arranged in a green shape, the yellow chips are arranged in a yellow shape, the red LED chips in the third LED light source body (11) are arranged in a red shape, the green LED chips are arranged in a green shape, the yellow chips are arranged in a yellow shape, and the red, green and yellow are all distributed circumferentially;
The light emitted by the first LED light source body (3) reaches the beam splitter (5) through the collimating device (4), the light on the side surface of the beam splitter (5) is reflected, an annular light spot is formed on the second lampshade (7) in the reflecting direction, the light emitted by the second LED light source body (10) forms a circular red light spot, a circular green light spot or a circular yellow light spot on the second lampshade, and the circular light spot and the annular light spot on the second lampshade (7) are combined into a large circular light spot; a part of light emitted by the first LED light source body (3) passes through the hollow structure of the light splitting body (5) to form a circular light spot on the first lampshade (6) in the light propagation direction, and light emitted by the third LED light source body (11) forms a circular arrangement of red light spots, green light spots or yellow light spots on the first lampshade (6), and the circular light spots on the first lampshade (6) form a large circular light spot;
The control device simultaneously controls the light emitting time of each color chip in the first LED light source body (3), the second LED light source body (10) and the third LED light source body (11); the control device controls the working process of the telescopic structure (8) according to the light emitting time of each color chip, when the telescopic structure (8) is contracted, the light ring is gradually reduced, and when the light emitting chip is replaced, the telescopic structure (8) is restored to the original state.
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