CN111425787A - Traffic light capable of generating vibration by itself to prevent falling leaves from being adsorbed based on wind power - Google Patents
Traffic light capable of generating vibration by itself to prevent falling leaves from being adsorbed based on wind power Download PDFInfo
- Publication number
- CN111425787A CN111425787A CN202010261268.6A CN202010261268A CN111425787A CN 111425787 A CN111425787 A CN 111425787A CN 202010261268 A CN202010261268 A CN 202010261268A CN 111425787 A CN111425787 A CN 111425787A
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- CN
- China
- Prior art keywords
- traffic light
- wind power
- fixedly provided
- light capable
- prevent falling
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Links
- 238000009423 ventilation Methods 0.000 claims abstract description 31
- 238000007790 scraping Methods 0.000 claims description 15
- 230000002745 absorbent Effects 0.000 claims description 2
- 239000002250 absorbent Substances 0.000 claims description 2
- 210000005056 cell body Anatomy 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007664 blowing Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/04—Resilient mountings, e.g. shock absorbers
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
- F21V17/162—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to traction or compression, e.g. coil springs
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
-
- 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
- F21V3/00—Globes; Bowls; Cover glasses
- F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention relates to the technical field of intelligent transportation, and discloses a traffic light capable of generating vibration by itself based on wind power to prevent fallen leaves from being adsorbed. This traffic light enters into the ventilation cell body through wind, drives spheroid motion wherein, and the spheroid can be random motion in the cell body according to the wide narrow design principle in both sides in the middle of the ventilation cell body, and then can be continuous beat the vibrator of top, drives the continuous vibrations lamp shade that goes of movable rod, has reached under strong wind weather, has effectively prevented fallen leaves and has adsorbed the effect on the traffic light.
Description
Technical Field
The invention relates to the technical field of intelligent traffic, in particular to a traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed.
Background
The intelligent transportation is also called intelligent transportation, advanced scientific technology is effectively and comprehensively applied to transportation, service control and vehicle manufacturing, and the connection among vehicles, roads and users is enhanced, so that a comprehensive transportation system for guaranteeing safety, improving efficiency, improving environment and saving energy is formed, and the intelligent transportation is wide in range and small in size, such as a vehicle body navigation instrument, a traffic signal lamp and the like, and is a part of the intelligent transportation.
The traffic light is taken as a traffic guidance tool, plays an important role in road traffic management, pedestrians and drivers need to pass according to the indication of the traffic light, and under the windy condition, sundries such as fallen leaves and paper are adsorbed on the traffic light sometimes to cover the indication light, particularly, the wetted fallen leaves are adhered on the traffic light and are not easy to fall off in rainy days, people can not determine the state of the traffic light and can possibly cause dangerous accidents, so that the traffic light capable of preventing the adsorption of the sundries such as the fallen leaves is urgently needed at present to ensure the safe travel of roads.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed, has the advantage that the falling leaves are difficult to be adsorbed by the traffic light under the condition of wind blowing, and solves the problem that the falling leaves and other impurities are easy to be adsorbed on the existing traffic light.
(II) technical scheme
In order to achieve the purpose that the traffic light is difficult to adsorb fallen leaves under the condition of wind blowing, the invention provides the following technical scheme: a traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed comprises a fixing plate, the lower end of the fixed plate is fixedly provided with a frame, the inside of the frame is fixedly provided with a lamp shade, a lamp holder is fixedly arranged at the lower end of the lampshade, a lamp body is fixedly arranged in the lamp holder, the left end and the right end of the lamp holder are provided with ventilation groove bodies, the top end inside the ventilation groove body is fixedly provided with vibration devices which are evenly distributed, the inside of the ventilation groove body is movably provided with a ball body, a movable rod is movably arranged in the vibration device, a first spring is fixedly arranged at the upper end of the movable rod, the upper end of the lamp bracket is fixedly provided with a fixed rod, the lower sheet of the fixed rod is fixedly provided with a limiting rod, the left end fixed mounting of gag lever post has pressure-sensitive device, the bottom movable mounting of the right-hand member of frame has scrapes the pole.
Preferably, the left end and the right end of the fixing plate are provided with symmetrical bolt holes, and the bolt holes are convenient for mounting and fixing the traffic light frame.
Preferably, fixed mounting has buffer spring between the front and back both ends of lighting fixture and the lamp shade, and the lower extreme of lamp shade is oval design, and oval design more helps the below laminating of vibrator and lamp shade, and the vibrations effect is more obvious.
Preferably, the upper end of scraping the pole is corresponding with the right-hand member of gag lever post, and under special circumstances, fallen leaves adsorb on the ventilation cell body, and the unable fallen leaves that shakes of lamp shade makes it not adsorb, and fallen leaves will give pressure sensing device signal this moment to the gag lever post release is scraped the pole, will adsorb fallen leaves and debris on the ventilation cell body and scrape away.
Preferably, a second spring is fixedly installed between the upper end of the scraping rod and the frame, and after the scraping rod is hung with sundries, the scraping rod is quickly restored to the original position under the action of the second spring.
Preferably, the connection relationship between the vibration device and the first spring is that the movable rod is fixedly connected, the first spring is pulled under the force-free action, and the first spring rapidly moves upwards under the action of the impact of the ball, so that the first spring impacts the lampshade to achieve the vibration effect.
Preferably, the connection relation between the upper end of the movable rod and the lampshade is movable connection, the ventilation groove body is wide in the middle and narrow in two sides, and the movable rod is in an elliptical design at the lower end of the lampshade and is in better contact with the lampshade, so that a better vibration effect is achieved.
(III) advantageous effects
Compared with the prior art, the invention provides the traffic light capable of generating vibration to prevent falling leaves from being adsorbed based on wind power, and the traffic light has the following beneficial effects:
1. this can self produce vibrations based on wind-force and prevent absorbent traffic lights of fallen leaves, enter into the ventilation cell body through wind, drive spheroid motion wherein, the spheroid can be according to the narrow design principle in wide both sides in the middle of the ventilation cell body, and irregular motion in the cell body, and then can be continuous beat the vibrator of top, drive the continuous vibrations lamp shade that goes of movable rod, reached under strong wind weather, effectively prevented the effect that fallen leaves adsorb on the traffic lights.
2. This can self produce vibrations based on wind-force and prevent adsorbed traffic lights of fallen leaves, through under special condition, fallen leaves adsorb on the ventilation cell body, the unable fallen leaves that shakes of lamp shade makes it not adsorb, fallen leaves just can give the forced induction device signal this moment to the pole is scraped in the release of gag lever post, will adsorb fallen leaves and debris on the ventilation cell body and scrape away, thereby has reached the effect of dual fail-safe.
Drawings
FIG. 1 is a schematic front view of the scraper bar structure of the present invention;
FIG. 2 is a schematic view illustrating the structure of the scraping bar of the present invention being restored to its original state;
FIG. 3 is a side view of the lamp holder and lamp cover structure of the present invention;
FIG. 4 is an enlarged view of the structure of the vibration device of the present invention;
FIG. 5 is a schematic view of a stop lever according to the present invention.
In the figure: the lamp comprises a fixing plate 1, a frame 2, a lampshade 3, a lamp holder 4, a lamp body 5, a ventilation groove 6, a vibration device 7, a ball 8, a movable rod 9, a first spring 10, a fixed rod 11, a limiting rod 12, a pressure sensing device 13, a scraping rod 14, a buffer spring 15 and a second spring 16.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed comprises a fixing plate 1, wherein the left end and the right end of the fixing plate 1 are provided with symmetrical bolt holes for facilitating the installation and fixation of a traffic light frame 2, the lower end of the fixing plate 1 is fixedly provided with the frame 2, a lampshade 3 is fixedly arranged inside the frame 2, the lower end of the lampshade 3 is fixedly provided with a lamp holder 4, buffer springs 15 are fixedly arranged between the front end and the rear end of the lamp holder 4 and the lampshade 3, the lower end of the lampshade 3 is in an elliptical design, and enters a ventilation slot body 6 through wind to drive a sphere 8 therein to move, the sphere 8 can randomly move in the slot body according to the design principle that the middle of the ventilation slot body 6 is wide and two sides of the ventilation slot body are narrow, so as to continuously beat an upper vibration device 7, and, the effect of effectively preventing fallen leaves from being adsorbed on the traffic lights in windy weather is achieved.
The lamp body 5 is fixedly arranged in the lamp holder 4, the left end and the right end of the lamp holder 4 are provided with the ventilation groove body 6, the top end in the ventilation groove body 6 is fixedly provided with the vibration device 7 which is uniformly distributed, the connection relation between the vibration device 7 and the first spring 10 is fixed connection, the movable rod 9 is under the force-lacking action, the first spring 10 is pulled, under the action of the impact of the sphere 8, the first spring moves upwards rapidly, so as to impact the lampshade 3 to achieve the vibration effect, the sphere 8 is movably arranged in the ventilation groove body 6, the movable rod 9 is movably arranged in the vibration device 7, the connection relation between the upper end of the movable rod 9 and the lampshade 3 is movable connection, the lower end of the movable rod 9 at the lampshade 3 is designed to be oval, better contact is achieved, so as to achieve a better vibration effect, the first spring 10 is fixedly arranged at the upper end of the movable rod 9, the upper, the lower order fixed mounting of dead lever 11 has gag lever post 12, the left end fixed mounting of gag lever post 12 has pressure-sensitive device 13, the bottom movable mounting of the right-hand member of frame 2 has scraping rod 14, the upper end of scraping rod 14 is corresponding with the right-hand member of gag lever post 12, under special circumstances, fallen leaves adsorb on ventilation cell body 6, lamp shade 3 can't shake fallen leaves and make it not adsorb, fallen leaves will give pressure-sensitive device 13 signal this moment, thereby gag lever post 12 releases scraping rod 14, scrape away fallen leaves and debris that adsorb on ventilation cell body 6, the fixed mounting has second spring 16 between scraping rod 14's upper end and the frame 2, after scraping rod 14 and having hung debris, under the effect of second spring 16, resume original position rapidly.
The working principle is as follows: when the traffic light normally works, fallen leaves are blown to the traffic light through wind power, the fallen leaves and sundries are blown through the wind power, the wind power also passes through the ventilation groove body 6, the ventilation groove body 6 is designed to be wide in the middle and narrow in two sides, the sphere 8 in the groove body is driven to move when the wind power passes through, the sphere 8 can perform irregular movement according to the design inside the ventilation groove body, so that the vibration device 7 is continuously collided, the movable rod 9 movably connected to the vibration device 7 can continuously collide with an ellipse below the lampshade 3 under the collision of the sphere 8, the lampshade 3 is fixed on the lamp bracket 5 through the buffer spring 15, the fallen leaves are difficult to be adsorbed on the traffic light due to the vibration of the lampshade 3, when the fallen leaves or the sundries are adsorbed at the ventilation groove body 6, the lampshade 3 is not vibrated, the fallen leaves on the traffic light are increased, the gravity is increased, and the pressure sensing device 13 obtains signals, the limiting rod 12 releases the scraping rod 14, so that fallen leaves and sundries adsorbed on the ventilation groove body 6 can be cleaned up quickly, and normal work of traffic lights is guaranteed.
In conclusion, this traffic lights that can self produce vibrations and prevent that fallen leaves from adsorbing based on wind-force drives the vibrations of lamp shade 3 through utilizing wind-force to avoid fallen leaves to hardly adsorb on the traffic lights, set up again and scrape pole 14 and can play the function of dual fail-safe.
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 (7)
1. The utility model provides a can self produce vibrations and prevent absorbent traffic lights of fallen leaves based on wind-force, includes fixed plate (1), its characterized in that: the lower end of the fixing plate (1) is fixedly provided with a frame (2), the inside of the frame (2) is fixedly provided with a lampshade (3), the lower end of the lampshade (3) is fixedly provided with a lamp bracket (4), the inside of the lamp bracket (4) is fixedly provided with a lamp body (5), the left end and the right end of the lamp bracket (4) are provided with a ventilation groove body (6), the top end of the inside of the ventilation groove body (6) is fixedly provided with a vibration device (7) which is uniformly distributed, the inside of the ventilation groove body (6) is movably provided with a sphere (8), the inside of the vibration device (7) is movably provided with a movable rod (9), the upper end of the movable rod (9) is fixedly provided with a first spring (10), the upper end of the lamp bracket (4) is fixedly provided with a fixing rod (11), the lower end of the fixing rod (11) is fixedly provided with a limiting rod (12), and, the bottom of the right end of the frame (2) is movably provided with a scraping rod (14).
2. The traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed according to claim 1, wherein: the left end and the right end of the fixing plate (1) are provided with symmetrical bolt holes.
3. The traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed according to claim 1, wherein: buffer springs (15) are fixedly mounted between the front end and the rear end of the lamp holder (4) and the lampshade (3), and the lower end of the lampshade (3) is designed in an oval shape.
4. The traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed according to claim 1, wherein: the upper end of the scraping rod (14) corresponds to the right end of the limiting rod (12).
5. The traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed according to claim 1, wherein: a second spring (16) is fixedly arranged between the upper end of the scraping rod (14) and the frame (2).
6. The traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed according to claim 1, wherein: the connection relationship between the vibration device (7) and the first spring (10) is fixed connection.
7. The traffic light capable of generating vibration by itself based on wind power to prevent falling leaves from being adsorbed according to claim 1, wherein: the upper end of the movable rod (9) is movably connected with the lampshade (3), the middle of the ventilation groove body (6) is wide, and the two sides of the ventilation groove body are narrow.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010261268.6A CN111425787B (en) | 2020-04-03 | 2020-04-03 | Traffic light capable of generating vibration by itself to prevent falling leaves from being adsorbed based on wind power |
| PCT/CN2020/133227 WO2021196688A1 (en) | 2020-04-03 | 2020-12-02 | Traffic light capable of generating vibration on basis of wind to prevent adhesion of fallen leave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010261268.6A CN111425787B (en) | 2020-04-03 | 2020-04-03 | Traffic light capable of generating vibration by itself to prevent falling leaves from being adsorbed based on wind power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111425787A true CN111425787A (en) | 2020-07-17 |
| CN111425787B CN111425787B (en) | 2021-05-07 |
Family
ID=71555716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010261268.6A Active CN111425787B (en) | 2020-04-03 | 2020-04-03 | Traffic light capable of generating vibration by itself to prevent falling leaves from being adsorbed based on wind power |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111425787B (en) |
| WO (1) | WO2021196688A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073585A (en) * | 2021-05-15 | 2021-07-06 | 王永欣 | Warning device is used in bridge construction |
| WO2021196688A1 (en) * | 2020-04-03 | 2021-10-07 | 安徽省徽腾智能交通科技有限公司 | Traffic light capable of generating vibration on basis of wind to prevent adhesion of fallen leave |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114120680B (en) * | 2021-12-27 | 2024-02-13 | 无锡安邦电气股份有限公司 | New energy LED traffic signal lamp capable of preventing fallen leaves |
| CN116800244A (en) * | 2023-07-11 | 2023-09-22 | 浙江捷诺电器股份有限公司 | Multifunctional inductive switch based on integrated modularization |
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| CN111425787B (en) * | 2020-04-03 | 2021-05-07 | 安徽省徽腾智能交通科技有限公司 | Traffic light capable of generating vibration by itself to prevent falling leaves from being adsorbed based on wind power |
-
2020
- 2020-04-03 CN CN202010261268.6A patent/CN111425787B/en active Active
- 2020-12-02 WO PCT/CN2020/133227 patent/WO2021196688A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010096184A (en) * | 2000-04-17 | 2001-11-07 | 김황봉 | A sweeping apparatus of cover for street lamp |
| CN106076903A (en) * | 2016-06-01 | 2016-11-09 | 湖南城市学院 | A kind of full-automatic rotating reciprocating street lamp high-efficient cleaning system |
| KR102030022B1 (en) * | 2018-05-21 | 2019-10-08 | 공주대학교 산학협력단 | Apparatus brim of traffic lights able to wind-pass |
| CN208901177U (en) * | 2018-10-08 | 2019-05-24 | 江苏省飞花灯饰制造有限公司 | A kind of intelligent road-lamp with autonomous clearing function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196688A1 (en) * | 2020-04-03 | 2021-10-07 | 安徽省徽腾智能交通科技有限公司 | Traffic light capable of generating vibration on basis of wind to prevent adhesion of fallen leave |
| CN113073585A (en) * | 2021-05-15 | 2021-07-06 | 王永欣 | Warning device is used in bridge construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111425787B (en) | 2021-05-07 |
| WO2021196688A1 (en) | 2021-10-07 |
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