CN115841760A - Urban road signal lamp regulation and control system and method for smart traffic - Google Patents
Urban road signal lamp regulation and control system and method for smart traffic Download PDFInfo
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- CN115841760A CN115841760A CN202211469855.XA CN202211469855A CN115841760A CN 115841760 A CN115841760 A CN 115841760A CN 202211469855 A CN202211469855 A CN 202211469855A CN 115841760 A CN115841760 A CN 115841760A
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- 230000000694 effects Effects 0.000 claims abstract description 13
- 241000258971 Brachiopoda Species 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims description 8
- 230000005389 magnetism Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 3
- 244000309464 bull Species 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000001052 transient effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention discloses a system and a method for regulating and controlling an urban road signal lamp for smart traffic, wherein the system for regulating and controlling the urban road signal lamp for smart traffic comprises a lamp housing with a hollow interior, and a transparent lens is communicated and arranged on the outer surface of the lamp housing; the LED lamp also comprises a plurality of green boards and red boards which are positioned in the lamp shell; the switching component is used for switching the position of the red plate relative to the green plate and is arranged in the shell; and the rotating assembly is used for driving the switching assembly to operate and is arranged on the switching assembly. According to the invention, the red board is switched between positions in front of the plurality of green boards through transient signal reception, so that the effect of commanding traffic operation is ensured, the use of electric power is greatly reduced, and the energy conservation and environmental protection are facilitated.
Description
Technical Field
The invention relates to the technical field of urban road signal lamps, in particular to an urban road signal lamp regulation and control system and method for intelligent traffic.
Background
The traffic signal lamp is a signal lamp for commanding traffic operation, and generally consists of a red lamp and a green lamp. Red light represents no passage, green light represents permission passage, and the traffic signal light is divided into: motor vehicle signal lamp, non-motor vehicle signal lamp, pedestrian crossing signal lamp, direction indicating lamp (arrow signal lamp), lane signal lamp, flash warning signal lamp, road and railway crossing signal lamp.
Due to the development of urban construction and traffic, the popularization of traffic signal lamps is wide, generally thousands of intersections in large cities, hundreds of intersections in medium and small cities and dozens of intersections in county cities, the traffic lights are in a lighting state consistently, the number of the traffic signal lamps in the whole country is large, the consumption of electric power is high under the condition of large using number, and the system and the method for regulating and controlling the urban road signal lamps for intelligent traffic are not beneficial to energy conservation and environmental protection.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly urban road signal lamp regulation and control system and method for intelligent traffic, so as to solve the problem of high power consumption of the existing traffic signal lamp in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an urban road signal lamp regulation and control system for smart traffic comprises a lamp housing with a hollow interior, wherein a transparent lens is communicated with the outer surface of the lamp housing; the LED lamp also comprises a plurality of green boards and red boards which are positioned in the lamp shell; the switching component is used for switching the position of the red plate relative to the green plate and is arranged in the shell; and the rotating assembly is used for driving the switching assembly to operate and is arranged on the switching assembly.
Preferably, the switching component include with the connecting rod that the red board is connected fixedly, connecting rod tip fixed connection be the clearance distribution and with two movable rods of lamp body sliding fit, two fixedly connected with connecting rod between the movable rod, the middle part of movable rod articulates there is the telescopic link, the telescopic link tip with the runner assembly is connected, two the clearance department of movable rod is equipped with and is used for driving the green board carries out the cooperation subassembly that removes.
Preferably, the runner assembly include in two coils of lamp body internalization, the coil with articulate the cooperation between the lamp body inner wall and have first extension spring, fixedly connected with magnet in the lamp body, magnet with be equipped with between the coil with the lamp body rotates the rotary column of connecting, rotary column one end with the telescopic link is connected fixedly, the first clamp plate and the second of propping of pivot surface fixedly connected with are to the clamp plate, first the clamp plate of propping is made by having the material of keeping apart magnetism, the second is to the clamp plate and is made by the material that does not influence magnetism, first the clamp plate of propping with the position that the clamp plate was supported to the second is symmetric distribution, and all support the press-fit have with the fixed limiting plate is connected to the lamp body.
Preferably, the cooperation subassembly is including being located two the commentaries on classics board in the clearance of movable rod, commentaries on classics board middle part fixedly connected with the lamp body rotates the bull stick of connecting, the activity groove has been seted up to the commentaries on classics board side, the middle part linearity in activity groove is the linearity, the tip linearity in activity groove is the arc form, activity inslot sliding fit have with the movable rod connects fixed slide bar, change the board tip with articulate the cooperation elasticity stay cord between the green board, on the green board fixedly connected with the lamp body is pegged graft a plurality of stabilizer bars of complex.
Preferably, the edges of the green plate and the red plate are provided with anti-skidding rings, so that the green plate and the red plate are prevented from being rubbed to cause dull color.
Preferably, the eccentric rotation is connected with the pivot on keeping away from the one end terminal surface of telescopic link in the rotary column, the pivot surface articulate the cooperation have with lamp body inner wall normal running fit's second extension spring helps the rotary column to rotate.
Preferably, the second pressing plate is hollow and provided with a plurality of through holes in a penetrating manner, so that magnetic interference is reduced.
The invention also provides a smart traffic urban road signal lamp regulation and control method based on the smart traffic urban road signal lamp regulation and control system, which comprises the following steps:
s1, receiving signals, electrifying for 2-3 seconds through the received signals, and enabling one coil to move under the action of the magnet to drive the rotary column to rotate, so that the red board is switched from the front position of one green board to the front position of the other green board;
s2, switching operation, namely receiving signals at intervals, moving the other coil to drive the rotary column to reversely rotate, so that the red board returns to the initial position, and performing switching movement of the red board relative to the green board in a reciprocating manner;
and S3, the green plates are in movable fit, and one green plate far away from the red plate moves close to the transparent lens while the red plate moves in a reciprocating manner so as to increase the definition.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the red board is switched between positions in front of the plurality of green boards through transient signal reception, so that the effect of commanding traffic operation is ensured, the use of electric power is greatly reduced, and the energy conservation and environmental protection are facilitated.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an urban road signal lamp control system for smart traffic according to the present invention;
FIG. 2 is a schematic diagram showing a split view of the overall structure of an urban road signal lamp control system for smart transportation according to the present invention;
FIG. 3 is an enlarged view of the switching assembly and the rotating assembly shown in FIG. 2;
FIG. 4 is a rear view of the structure of FIG. 3;
FIG. 5 is a schematic view of the rotary assembly shown in FIG. 4;
FIG. 6 is a rear view of the structure of FIG. 5;
FIG. 7 is an enlarged view of the mating assembly of FIG. 4;
FIG. 8 is a schematic view of a portion of the structure of FIG. 7;
FIG. 9 is a schematic view of the structure of FIG. 8, shown disassembled;
FIG. 10 is a schematic view of FIG. 9 with the structure broken away;
fig. 11 is a schematic view of the structure of the transfer plate and the connecting member shown in fig. 10.
In the figure: 1-a lamp housing; 2-a transparent lens; 3-green plate; 4-red board; 5-a switching component; 6-a connecting rod; 7-a movable rod; 8-connecting rod; 9-a telescopic rod; 10-a rotating assembly; 11-a coil; 12-a first tension spring; 13-a magnet; 14-rotating the column; 15-a first pressing plate; 16-a second pressing plate; 17-limiting plate; 18-a mating component; 19-rotating the plate; 20-rotating rod; 21-a movable groove; 22-a slide bar; 23-an elastic pull rope; 24-a stabilizer bar; 25-an anti-slip ring; 26-a rotating shaft; 27-a second tension spring; 28-through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, a smart traffic urban road signal lamp control system shown in the drawings includes a lamp housing 1 having a hollow interior, and a transparent lens 2 connected to an outer surface of the lamp housing 1; a plurality of green plates 3 and red plates 4 are positioned in the lamp shell 1; a switching component 5, wherein the switching component 5 for switching the position of the red plate 4 relative to the green plate 3 is arranged in the shell; the rotating assembly 10 is used for driving the switching assembly 5 to operate, and the rotating assembly 10 is arranged on the switching assembly 5.
Referring to fig. 9-10, the switching assembly 5 in the figure includes a connecting rod 6 connected and fixed to the red plate 4, two movable rods 7 which are distributed in a gap and slidably fit with the lamp housing 1 are fixedly connected to end portions of the connecting rod 6, a connecting rod 8 is fixedly connected between the two movable rods 7, a telescopic rod 9 is hinged to a middle portion of each movable rod 7, an end portion of each telescopic rod 9 is connected to the rotating assembly 10, and a fitting assembly 18 for driving the green plate 3 to move is disposed in a gap between the two movable rods 7.
Referring to fig. 5-6, the rotating assembly 10 shown in the figure includes two coils 11 moving in the lamp housing 1, a first tension spring 12 is hooked and matched between the coils 11 and the inner wall of the lamp housing 1, a magnet 13 is fixedly connected in the lamp housing 1, a rotating post 14 rotatably connected with the lamp housing 1 is arranged between the magnet 13 and the coil 11, one end of the rotating post 14 is fixedly connected with the telescopic rod 9, a first pressing plate 15 and a second pressing plate 16 are fixedly connected to the outer surface of the rotating shaft 26, the first pressing plate 15 is made of a material with isolated magnetism, the second pressing plate 16 is made of a material without affecting magnetism, the positions of the first pressing plate 15 and the second pressing plate 16 are symmetrically distributed and are respectively pressed and matched with a limiting plate 17 fixedly connected with the lamp housing 1, wherein the second pressing plate 16 is hollow and provided with a plurality of through holes 28, when the coil 11 located above is powered, the second pressing plate 16 is close to the limiting plate 17, the limiting plate 17 is limited by the limiting plate 17, when the coil 11 located below the coil is powered, the second pressing plate 15 and the second pressing plate 15 is close to the limiting plate 17, and the limiting plate 17 is close to the limiting plate 17.
Referring to fig. 3, the edges of the green sheet 3 and the red sheet 4 are provided with anti-slip rings 25.
Referring to fig. 7-8 and 11, the matching assembly 18 shown in the figure includes a rotating plate 19 located in the gap between two movable rods 7, a rotating rod 20 rotatably connected to the lamp housing 1 is fixedly connected to the middle of the rotating plate 19, a movable slot 21 is formed in the side of the rotating plate 19, the middle of the movable slot 21 is linear and linear, the end of the movable slot 21 is arc-shaped, a sliding rod 22 fixedly connected to the movable rod 7 is slidably fitted in the movable slot 21, an elastic pull rope 23 is engaged between the end of the rotating plate 19 and the green plate 3, and a plurality of stabilizing rods 24 engaged with the lamp housing 1 are fixedly connected to the green plate 3.
In this embodiment, the movable rod 7 drives the slide bar 22 to move while moving, because the middle part linearity of the movable groove 21 is linear, and the end linearity is arc-shaped, the slide bar 22 moves at the beginning, drive the rotating plate 19 to rotate, make the green plate 3 that is located another position of the red plate 4 keep away from the direction movement of the transparent lens 2, and the green plate 3 that is located the position of the red plate 4 rear is close to the direction movement of the transparent lens 2, avoid the red plate 4 to move the in-process and collide the green plate 3, the position of the green plate 3 has been guaranteed simultaneously, avoid the green plate 3 to keep away from the transparent lens 2 too far and lead the definition not enough, influence the traffic guidance effect.
Referring to fig. 5, a rotating shaft 26 is eccentrically and rotatably connected to an end surface of the rotating column 14 away from the telescopic rod 9, and a second tension spring 27 rotatably engaged with an inner wall of the lamp housing 1 is hooked on an outer surface of the rotating shaft 26.
In this embodiment, the rotating column 14 rotates and simultaneously drives the rotating shaft 26 to move, when the coil 11 stops being powered on, the rotating column 14 is driven to rotate under the inertia effect except the inertia effect, and the rotating column 14 continuously rotates under the pulling effect of the second tension spring 27 until the first pressing plate 15 or the second pressing plate 16 presses against the limiting plate 17, so as to further ensure the operation of the rotating assembly 10.
The invention also provides a smart traffic urban road signal lamp regulation and control method based on the smart traffic urban road signal lamp regulation and control system, which comprises the following steps:
s1, receiving a signal, electrifying for 2-3 seconds through the received signal, and moving one coil 11 under the action of a magnet 13 to drive a rotary column 14 to rotate, so that the red board 4 is switched from the front position of one green board 3 to the front position of the other green board 3;
s2, switching operation, namely receiving signals at intervals, moving the other coil 11 to drive the rotary column 14 to rotate reversely so as to restore the red board 4 to the initial position, and performing switching movement of the red board 4 relative to the green board 3 in a reciprocating manner;
s3, the green plates 3 are matched in a moving mode, and one green plate 3 far away from the red plate 4 moves close to the transparent lens 2 while the red plate 4 moves in a reciprocating mode so as to increase definition.
In this embodiment, when a signal controlled by a background system needs to be switched, two coils 11 are energized briefly, because the first pressing plate 15 is made of a material with isolated magnetism, one coil 11 corresponding to the first pressing plate 15 cannot be connected with the magnet 13, and the other coil 11 moves under the action of the magnet 13 after being energized, and presses the second pressing plate 16 without affecting magnetism, so that the second pressing plate 16 drives the rotary column 14 to rotate, and under the action of the limiting plate 17, the switching of the positions of the first pressing plate 15 and the second pressing plate 16 is completed (the rotary column 14 has a large rotation angle which can reach nearly 180 °), the telescopic rod 9 is driven to rotate, and under the limitation of the movable rod 7, the connecting rod 6 drives the red plate 4 to move from top to bottom, so that the red plate 4 is switched from the front side of the green plate 3 located above to the front side of the green plate 3 located below, when the interval time of the red and green lights controlled by the background system reaches a short time, the two coils 11 are energized again, because the first pressing plate 15 and the second pressing plate can move from the front side of the green plate 3, thereby the environment-friendly magnet can not be switched to the environment, and the energy-saving magnet can be switched. When the traffic light enters night, whether the lamp body in the lamp shell 1 is electrified and lightened or not can be controlled according to the existence of lamplight and the light and shade condition of the lamplight in the corresponding road section, if the lamplight in the corresponding road section is irradiated or darker, the lamp body in the lamp shell 1 is electrified and lightened, if the lamplight in the corresponding road section is bright, the green plate 3 and the red plate 4 can be clearly seen and distinguished, the lamp body in the lamp shell 1 is not electrified and lightened, and therefore the electric quantity consumption of the traffic light is saved as much as possible.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an urban road signal lamp regulation and control system for wisdom traffic, includes:
the lamp shell (1) is hollow inside, and a transparent lens (2) is communicated with the outer surface of the lamp shell (1);
it is characterized by also comprising:
a plurality of green sheets (3) and red sheets (4) positioned within the lamp envelope (1);
the switching component (5) is used for switching the position of the red plate (4) relative to the green plate (3), and the switching component (5) is arranged in the shell;
the rotating assembly (10) is used for driving the switching assembly (5) to operate, and the rotating assembly (10) is arranged on the switching assembly (5).
2. The intelligent traffic urban road signal lamp control system according to claim 1, wherein: switch over subassembly (5) include with connecting rod (6) fixed is connected to red board (4), connecting rod (6) tip fixed connection be the clearance distribution and with two movable rod (7) of lamp body (1) sliding fit, two fixedly connected with connecting rod (8) between movable rod (7), the middle part of movable rod (7) articulates there is telescopic link (9), telescopic link (9) tip with runner assembly (10) are connected, two the clearance department of movable rod (7) is equipped with and is used for driving cooperation subassembly (18) that green board (3) removed.
3. The intelligent traffic urban road signal lamp control system according to claim 2, wherein: rotating assembly (10) include in two coils (11) of lamp body (1) internalization, coil (11) with articulate the cooperation between lamp body (1) inner wall and have first extension spring (12), fixedly connected with magnet (13) in lamp body (1), magnet (13) with be equipped with between coil (11) with lamp body (1) rotates rotary column (14) of connecting, rotary column (14) one end with telescopic link (9) are connected fixedly, rotary column (14) outer fixed surface is connected with first to clamp plate (15) and second to clamp plate (16), first to clamp plate (15) by having the material of keeping apart magnetism and making, the second supports clamp plate (16) by not influencing magnetic material and makes, first to clamp plate (15) with the second supports the position of clamp plate (16) and is the symmetric distribution, and all support the press fit have with limiting plate (17) that lamp body (1) is connected fixedly.
4. The intelligent traffic urban road signal lamp control system according to claim 3, wherein: cooperation subassembly (18) including being located two change board (19) in the clearance of movable rod (7), change board (19) middle part fixedly connected with lamp body (1) rotates bull stick (20) of connecting, change board (19) side and seted up movable groove (21), the middle part linearity of activity groove (21) is linear, the tip linearity of activity groove (21) is the arc form, activity groove (21) interior sliding fit have with fixed slide bar (22) are connected in movable rod (7), change board (19) tip with articulate cooperation elasticity stay cord (23) between green plate (3), green plate (3) go up fixedly connected with a plurality of stabilizer bar (24) of lamp body (1) grafting complex.
5. The intelligent traffic urban road signal lamp control system according to claim 4, wherein: the edges of the green plate (3) and the red plate (4) are provided with anti-skid rings (25).
6. The intelligent traffic urban road signal lamp control system according to claim 5, wherein: the eccentric rotation is connected with pivot (26) on keeping away from the one end terminal surface of telescopic link (9) in rotary column (14), pivot (26) surface articulate the cooperation have with lamp body (1) inner wall normal running fit's second extension spring (27).
7. The intelligent traffic urban road signal lamp control system according to claim 6, wherein: the second pressing plate (16) is hollow and provided with a plurality of through holes (28) in a penetrating manner.
8. The intelligent traffic urban road signal lamp regulation method based on the intelligent traffic urban road signal lamp regulation system of any one of claims 1 to 7, characterized by comprising the following steps:
s1, receiving a signal, electrifying for 2-3 seconds through the received signal, and enabling one coil (11) to move under the action of the magnet (13) to drive the rotary column (14) to rotate, so that the red board (4) is switched from the front position of one green board (3) to the front position of the other green board (3);
s2, switching operation, namely receiving signals at intervals, moving the other coil (11) to drive the rotary column (14) to reversely rotate so as to enable the red board (4) to return to an initial position, and performing switching movement of the red board (4) relative to the green board (3) in a reciprocating manner;
s3, the green plates (3) are movably matched, and when the red plate (4) moves in a reciprocating mode, one green plate (3) far away from the red plate (4) moves close to the transparent lens (2) to increase definition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211469855.XA CN115841760A (en) | 2022-11-23 | 2022-11-23 | Urban road signal lamp regulation and control system and method for smart traffic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211469855.XA CN115841760A (en) | 2022-11-23 | 2022-11-23 | Urban road signal lamp regulation and control system and method for smart traffic |
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| CN115841760A true CN115841760A (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211469855.XA Pending CN115841760A (en) | 2022-11-23 | 2022-11-23 | Urban road signal lamp regulation and control system and method for smart traffic |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| DE412388C (en) * | 1923-05-19 | 1925-04-22 | Paul Lindner Dipl Ing | Direction indicators for motor vehicles |
| CN107101173A (en) * | 2017-05-31 | 2017-08-29 | 中山市风华稀柠照明设计有限公司 | A kind of three primary colors variable color lamp |
| CN206819551U (en) * | 2017-04-14 | 2017-12-29 | 上海勤电信息科技有限公司 | A kind of practicality wisdom lamp stand |
| CN212624415U (en) * | 2020-08-17 | 2021-02-26 | 南通博远智能科技有限公司 | Combined intelligent traffic signal lamp switching device |
| CN215576997U (en) * | 2021-08-03 | 2022-01-18 | 安徽迪卡智能控制技术有限公司 | Intelligent road pedestrian signal lamp with voice prompt function |
| CN114512013A (en) * | 2021-12-29 | 2022-05-17 | 钟权成 | All-round signal lamp of transportation emergency type |
| CN114973716A (en) * | 2022-05-06 | 2022-08-30 | 河北星河科技开发有限公司 | Traffic signal lamp |
-
2022
- 2022-11-23 CN CN202211469855.XA patent/CN115841760A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE412388C (en) * | 1923-05-19 | 1925-04-22 | Paul Lindner Dipl Ing | Direction indicators for motor vehicles |
| CN206819551U (en) * | 2017-04-14 | 2017-12-29 | 上海勤电信息科技有限公司 | A kind of practicality wisdom lamp stand |
| CN107101173A (en) * | 2017-05-31 | 2017-08-29 | 中山市风华稀柠照明设计有限公司 | A kind of three primary colors variable color lamp |
| CN212624415U (en) * | 2020-08-17 | 2021-02-26 | 南通博远智能科技有限公司 | Combined intelligent traffic signal lamp switching device |
| CN215576997U (en) * | 2021-08-03 | 2022-01-18 | 安徽迪卡智能控制技术有限公司 | Intelligent road pedestrian signal lamp with voice prompt function |
| CN114512013A (en) * | 2021-12-29 | 2022-05-17 | 钟权成 | All-round signal lamp of transportation emergency type |
| CN114973716A (en) * | 2022-05-06 | 2022-08-30 | 河北星河科技开发有限公司 | Traffic signal lamp |
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