CN108343905A - Led street lamp - Google Patents
Led street lamp Download PDFInfo
- Publication number
- CN108343905A CN108343905A CN201810118410.4A CN201810118410A CN108343905A CN 108343905 A CN108343905 A CN 108343905A CN 201810118410 A CN201810118410 A CN 201810118410A CN 108343905 A CN108343905 A CN 108343905A
- Authority
- CN
- China
- Prior art keywords
- lamp
- led
- light beam
- diffusing plate
- optical diffusing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- F21S8/08—Lighting devices intended for fixed installation with a standard
- F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
- F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/06—Controlling the distribution of the light emitted by adjustment of elements by movement of refractors
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
-
- 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
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The present invention provides a kind of LED street lamp, including lamp stand, lamp cap；It is equipped with illumination base in the lamp housing of lamp cap, the LED beam lamp that can generate linear light beam is evenly equipped in illumination base；The light beam that each LED beam lamp generates is directed toward one block of diffusing reflection plate of lamp stand lower part；The lower section capping of lamp housing has one piece of transparent cover plate；It is additionally provided with one piece between illumination base can front and back traversing optical diffusing plate；When optical diffusing plate slides onto front end extreme position, the light beam that each LED beam lamp generates is irradiated on optical diffusing plate, and by optical diffusing plate softening；When optical diffusing plate slides onto rear end extreme position, relief hole on optical diffusing plate of light beam that each LED beam lamp generates and be irradiated on the diffusing reflection plate of lamp stand.The LED street lamp can make reduction water mist to the scattering of illumination under thick fog weather, so that luminous energy as much as possible is reached near road surface, to improve illuminating effect.
Description
Technical field
The present invention relates to field of lighting devices, are to be related to a kind of LED street lamp particularly.
Background technology
Current street lamp can only project downwards uniform illumination in lighting process, can be under common weather conditions
Milder shadow is provided to road surface；However in thick fog weather, this kind of uniform illumination is due to needing across large-scale water mist again
Road surface is projected, a large amount of luminous energy should be scattered in the process by water mist, driving personnel is caused to can only see wilderness optical haze, and it is close
The illumination on road surface is but more faint, cannot form good illuminating effect.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of LED street lamp, which, can under thick fog weather
Make reduction water mist to the scattering of illumination, so that luminous energy as much as possible is reached near road surface, to improve illuminating effect.
The technical solution adopted by the present invention to solve the technical problems is：The LED street lamp includes lamp stand, lamp cap；The lamp
Head includes lamp housing, and illumination base is equipped in lamp housing, the LED beam lamp that can generate linear light beam is evenly equipped in the illumination base；
The light beam that each LED beam lamp generates is directed toward one block of diffusing reflection plate of the lamp stand lower part；The lower section capping of the lamp housing has
One piece of transparent cover plate；One piece is additionally provided between the transparent cover plate and illumination base can front and back traversing optical diffusing plate；It is described
The front and back end of optical diffusing plate is respectively equipped with preceding armature, rear armature, and corresponding to before the optical diffusing plate in the lamp housing
Armature afterwards is respectively equipped with preceding electromagnet, rear electromagnet；Attracted by the preceding electromagnet when the preceding armature of the optical diffusing plate and
When optical diffusing plate being made to slide onto front end extreme position, the light beam that each LED beam lamp generates is irradiated on optical diffusing plate,
And by optical diffusing plate softening；It is distributed on the optical diffusing plate and each one-to-one relief hole of LED beam lamp；When
When the rear armature of the optical diffusing plate is attracted by the rear electromagnet and optical diffusing plate is made to slide onto rear end extreme position, respectively
Relief hole of the light beam that the LED beam lamp generates on the optical diffusing plate and the diffusing reflection plate for being irradiated to the lamp stand
On；The LED street lamp further includes having mist sensor, and the mist sensor is coupled in the control of the preceding electromagnet, rear electromagnet
Device keeps the preceding electromagnet power-off when mist sensor, which senses environment mist concentration, reaches threshold value, and connects the rear electricity
Magnet；And when mist sensor senses environment mist concentration less than threshold value, electromagnet power-off after keeping described, and described in connecting
Preceding electromagnet.
Preferably, the diffusing reflection plate of the lamp stand is equipped with specular reflector, the specular reflector can be by 1 ~ 3 institute
It is in be parallel to road surface, and traverse the horizontal light beam on road surface to state the light beam reflection that LED beam lamp is sent out；To make front passerby or
When vehicle passes through the horizontal light beam, horizontal light beam can be blocked, the passerby at rear or vehicle is made to be easy to pay attention among thick fog
To the variation of upcoming traffic situation.
Preferably, the mist sensor includes a rain-proof shell for being arranged right below opening, the inner cavity of the rain-proof shell
Top is equipped with humidity sensor；The rain-proof shell, humidity sensor collectively form the mist sensor.
Preferably, the mist sensor includes a round box, the annular inner wall of the round box is by minute surface structure
At；A monochromatic LED that can generate rectilinear light beam is additionally provided on the annular inner wall of round box, the rectilinear light beam is parallel to circle
Two circular end faces of shape box body, and without the center of round box, so that the rectilinear light beam can be in the ring of round box
It reflects on shape inner wall, and gradually decays repeatedly；The center of one circular end face of the round box is additionally provided with photosensitive sensor,
Photochromic output signal of the photosensitive sensor only for the monochromatic LED；It is also opened up on one end face of the round box
There is venthole.Further, the monochromatic LED is green or blue led, so that it differs markedly from street lamp lighting color.
Advantageous effect of the present invention is：The LED street lamp is under normal weather situation, since the optical diffusing plate slides onto
Front end extreme position, the light beam that the LED beam lamp each at this time generates are beaten on optical diffusing plate, and soft by optical diffusing plate
Change, to project the street lamp illumination of homogeneous soft downwards；And under thick fog weather, the optical diffusing plate slides onto the rear end limit
Position has been irradiated to the unrestrained of lamp stand at this point, the light beam that each LED beam lamp generates passes through each relief hole of optical diffusing plate
On reflecting plate, during this, since luminous energy concentrates on each light beam, the thick fog range passed through is smaller, therefore scattering loss is smaller, big portion
Light splitting can be transferred on the diffusing reflection plate, and since the diffusing reflection plate is relatively close to road surface, can road pavement provide it is opposite
Good illuminating effect.
Description of the drawings
Fig. 1 is illumination schematic diagram of this LED street lamp embodiment one under normal weather situation.
Fig. 2 is illumination schematic diagram of this LED street lamp embodiment one under thick fog weather conditions.
Fig. 3 is illumination schematic diagram of this LED street lamp embodiment two under thick fog weather conditions.
Fig. 4 is schematic diagram of the lamp cap under normal weather situation in this LED street lamp.
Fig. 5 is schematic diagram of the lamp cap under thick fog weather conditions in this LED street lamp.
Fig. 6 is one schematic diagram of embodiment of mist sensor in this LED street lamp.
Fig. 7 is two schematic diagram of embodiment of mist sensor in this LED street lamp.
Specific implementation mode
Embodiment one：
In Fig. 1, Fig. 2, Fig. 4, embodiment shown in fig. 5 one, which includes lamp stand 1, lamp cap 2；The lamp cap 2 includes
Lamp housing 21, lamp housing 21 is interior to be equipped with illumination base 22, and the LED beam lamp that can generate linear light beam is evenly equipped in the illumination base 22
23；The light beam that each LED beam lamp 23 generates is directed toward one block of diffusing reflection plate 3 of 1 lower part of the lamp stand；Under the lamp housing 21
Side's capping has one piece of transparent cover plate 24；One piece is additionally provided between the transparent cover plate 24 and illumination base 22 can front and back traversing light
Learn diffuser plate 25；The front and back end of the optical diffusing plate 25 is respectively equipped with preceding armature（It is not shown）, rear armature（It is not shown）, and institute
The front and back armature for corresponding to the optical diffusing plate 25 in lamp housing 21 is stated, preceding electromagnet 26a, rear electromagnet 26b are respectively equipped with；When
The preceding armature of the optical diffusing plate 25 is attracted by the preceding electromagnet 26a and optical diffusing plate 25 is made to slide onto front end limit position
When setting, as Figure 1 and Figure 4, the light beam that each LED beam lamp 23 generates is irradiated on optical diffusing plate 25, and is expanded by optics
It falls apart 25 softenings；It is distributed on the optical diffusing plate 25 and each 23 one-to-one relief hole 250 of the LED beam lamp；When
The rear armature of the optical diffusing plate 25 is attracted by the rear electromagnet 26b and optical diffusing plate 25 is made to slide onto rear end limit position
When setting, as shown in Fig. 2, Fig. 5, the light beam that each LED beam lamp 23 generates passes through the relief hole on the optical diffusing plate 25
250 and be irradiated on the diffusing reflection plate 3 of the lamp stand 1.
The LED street lamp further includes having mist sensor, and the mist sensor is coupled in the preceding electromagnet 26a, rear electromagnetism
The controller of body 26b keeps the preceding electromagnet 26a power-off when mist sensor, which senses environment mist concentration, reaches threshold value,
And connect the rear electromagnet 26b；And when mist sensor senses environment mist concentration less than threshold value, electromagnetism after keeping described
Body powers off 26b, and connects the preceding electromagnet 26a.
For the mist sensor, embodiment one is as shown in Figure 6 comprising a rain-proof shell for being arranged right below opening
41, the inner cavity top of the rain-proof shell 41 is equipped with humidity sensor 42；The rain-proof shell 41, humidity sensor 42 collectively form institute
State mist sensor.For the mist sensor, since in the rainy day, rainwater is unable to reach the inner cavity top of rain-proof shell 41, therefore described
Humidity sensor 42 can only sense lower air humidity always, and in thick fog weather, since mist with ascension and can agglomerate
To 42 surface of humidity sensor, therefore humidity sensor 42 can be made to sense huge humidity, to be judged as thick fog weather；
The mist sensor can effectively exclude the interference caused by rainy day compared with traditional misty rain sensor；Because under rainy weather, and
Special illumination need not be provided.
The embodiment two of the mist sensor is as shown in fig. 7, the mist sensor includes a round box 51, the circle
The annular inner wall 511 of shape box body 51 is made of mirror surface；Straight line can be generated by being additionally provided with one on the annular inner wall 511 of round box 51
The monochromatic LED 52 of light beam, the rectilinear light beam are parallel to two circular end faces of round box 51, and without round box
Center so that the rectilinear light beam can repeatedly reflect on the annular inner wall 511 of round box 51, and gradually decay, in Fig. 7
Dotted arrow is illustrated；The center of one circular end face of the round box 51 is additionally provided with photosensitive sensor 53, described photosensitive
Photochromic output signal of the sensor 53 only for the monochromatic LED 52；It is further opened on one end face of the round box 51
Venthole 510.The monochromatic LED 52 is green or blue led, so that it differs markedly from street lamp lighting color.As a result, non-
Under thick fog weather conditions, since, without thick fog, the rectilinear light beam that the monochromatic LED 52 generates is in annular in the round box 51
It is reflected repeatedly on inner wall 511, until decaying（Such as, absorbed after being irradiated to 52 shell of monochromatic LED, or be irradiated to albedo compared with
It is absorbed when the region of difference）；Due to that can only capture faint without scattering medium, the photosensitive sensor 53 in round box 51
The illumination generated by monochromatic LED 52；And in thick fog weather conditions, water mist largely enters round box 51, described to make
The illumination that monochromatic LED 52 generates largely scatters in round box 51, makes to form an optical haze in round box 51, makes the light
Dependent sensor 53 obviously senses the illumination of the generation of monochromatic LED 52, to judge that environment mist concentration reaches threshold value.The mist senses
The embodiment two of device can also effectively exclude the influence of rainy day.
Above-mentioned LED street lamp is under normal weather situation, since the optical diffusing plate 25 slides onto front end extreme position, this
When the light beam that generates of each LED beam lamp 23 beat on optical diffusing plate 25, and by 25 softening of optical diffusing plate, to downward
Project the street lamp illumination of homogeneous soft；And under thick fog weather, the optical diffusing plate 25 slides onto rear end extreme position, this
When, the light beam that each LED beam lamp 23 generates passes through each relief hole 250 of optical diffusing plate 25, has been irradiated to the unrestrained of lamp stand 1
On reflecting plate 3, during this, since luminous energy concentrates on each light beam, the thick fog range passed through is smaller, therefore scattering loss is smaller, greatly
Part luminous energy is transferred on the diffusing reflection plate 3, and since the diffusing reflection plate 3 is relatively close to road surface, it can road pavement offer
Relatively good illuminating effect.
Embodiment two：
The embodiment two of the LED street lamp on the diffusing reflection plate 3 of the lamp stand 1 as shown in figure 3, what is different from the first embodiment is that set
It can be in be parallel to by the light beam reflection that 1 ~ 3 LED beam lamp 23 is sent out to have specular reflector 31, the specular reflector 31
Road surface, and traverse the horizontal light beam on road surface；It, can be by horizontal light beam when passerby or vehicle to make front pass through the horizontal light beam
It blocks, the passerby at rear or vehicle is made to be easy to notice the variation of upcoming traffic situation among thick fog.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of LED street lamp, including lamp stand（1）, lamp cap（2）；The lamp cap（2）Including lamp housing（21）, lamp housing（21）Inside it is equipped with
Illumination base（22）；It is characterized in that：The illumination base（22）On be evenly equipped with the LED beam lamp that can generate linear light beam
（23）；Each LED beam lamp（23）The light beam of generation is directed toward the lamp stand（1）One block of diffusing reflection plate of lower part（3）；The lamp
Shell（21）Lower section capping have one piece of transparent cover plate（24）；The transparent cover plate（24）With illumination base（22）Between be additionally provided with one
Block can front and back traversing optical diffusing plate（25）；The optical diffusing plate（25）Front and back end be respectively equipped with preceding armature, rear armature,
And the lamp housing（21）It is interior to correspond to the optical diffusing plate（25）Front and back armature, be respectively equipped with preceding electromagnet（26a）, rear electricity
Magnet（26b）；When the optical diffusing plate（25）Preceding armature by the preceding electromagnet（26a）Attract and makes optical diffusing plate
（25）When sliding onto front end extreme position, each LED beam lamp（23）The light beam of generation is irradiated to optical diffusing plate（25）On,
And by optical diffusing plate（25）Softening；The optical diffusing plate（25）On be distributed with and each LED beam lamp（23）One is a pair of
The relief hole answered（250）；When the optical diffusing plate（25）Rear armature by electromagnet after described（26b）Attract and optics is made to expand
It falls apart（25）When sliding onto rear end extreme position, each LED beam lamp（23）The light beam of generation passes through the optical diffusing plate
（25）On relief hole（250）And it is irradiated to the lamp stand（1）Diffusing reflection plate（3）On；The LED street lamp further includes having mist biography
Sensor, the mist sensor are coupled in the preceding electromagnet（26a）, rear electromagnet（26b）Controller, when mist sensor sense
When reaching threshold value to environment mist concentration, the preceding electromagnet is kept（26a）Power-off, and connect the rear electromagnet（26b）；And
When mist sensor senses environment mist concentration less than threshold value, electromagnet after keeping described（26b）Power-off, and connect it is described before
Electromagnet（26a）.
2. LED street lamp according to claim 1, it is characterised in that：The lamp stand（1）Diffusing reflection plate（3）It is equipped with mirror
Face reflector（31）, the specular reflector（31）It can be by 1 ~ 3 LED beam lamp（23）The light beam reflection sent out is in parallel
In road surface, and traverse the horizontal light beam on road surface.
3. LED street lamp according to claim 1, it is characterised in that：The mist sensor is arranged right below out including one
The rain-proof shell of mouth（41）, the rain-proof shell（41）Inner cavity top be equipped with humidity sensor（42）；The rain-proof shell（41）, humidity
Sensor（42）Collectively form the mist sensor.
4. LED street lamp according to claim 1, it is characterised in that：The mist sensor includes a round box（51）,
The round box（51）Annular inner wall（511）It is made of mirror surface；Round box（51）Annular inner wall（511）On be additionally provided with
One monochromatic LED that can generate rectilinear light beam（52）, the rectilinear light beam is parallel to round box（51）Two circular end faces,
And without round box（51）Center so that the rectilinear light beam can be in the annular inner wall of round box（511）On repeatedly
Reflection, and gradually decay；The round box（51）The center of a circular end face be additionally provided with photosensitive sensor（53）, described
Photosensitive sensor（53）Only for the monochromatic LED（52）Photochromic output signal；The round box（51）An end face
On be further opened with venthole（510）.
5. LED street lamp according to claim 4, it is characterised in that：The monochromatic LED（52）For green or blue led, with
It is set to differ markedly from street lamp lighting color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118410.4A CN108343905B (en) | 2018-06-08 | 2018-06-08 | LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118410.4A CN108343905B (en) | 2018-06-08 | 2018-06-08 | LED street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108343905A true CN108343905A (en) | 2018-07-31 |
| CN108343905B CN108343905B (en) | 2020-05-01 |
Family
ID=62959035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810118410.4A Expired - Fee Related CN108343905B (en) | 2018-06-08 | 2018-06-08 | LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108343905B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513634A (en) * | 2019-08-12 | 2019-11-29 | 左建 | A kind of intelligent LED street lamp and its working method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020121841A1 (en) * | 2020-08-20 | 2022-02-24 | Siteco Gmbh | LAMP WITH SENSOR DEVICE FOR MEASUREMENT OF REFLECTED AND AMBIENT LIGHT |
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|---|---|---|---|---|
| CN102759054A (en) * | 2011-04-25 | 2012-10-31 | 邱金和 | Street lamp structure |
| CN203349142U (en) * | 2013-06-13 | 2013-12-18 | 华北电力大学 | Wind-solar complementary infrared sensing energy-saving street lamp |
| CN203963741U (en) * | 2014-07-09 | 2014-11-26 | 卓仲表 | Side direction LED street lamp |
| CN204005621U (en) * | 2014-07-18 | 2014-12-10 | 上海尼塔建筑景观设计有限公司 | A kind of energy-conserving road lamp |
| CN204943297U (en) * | 2015-07-22 | 2016-01-06 | 东北石油大学 | A kind of floor projection automation street lamp |
| CN105570779A (en) * | 2015-11-06 | 2016-05-11 | 钱月珍 | Energy-saving LED street lamp with high heat dissipation efficiency |
| CN205351082U (en) * | 2016-01-15 | 2016-06-29 | 郑州大学 | Street lamp with belt cleaning device |
| CN106134289A (en) * | 2014-02-26 | 2016-11-16 | 飞利浦灯具控股公司 | Detection based on luminous reflectance |
| CN107316477A (en) * | 2017-08-23 | 2017-11-03 | 庄秋瑶 | Adaptive traffic lights |
| CN107316479A (en) * | 2017-08-23 | 2017-11-03 | 庄秋瑶 | Antifog traffic lights |
| CN107507438A (en) * | 2017-08-23 | 2017-12-22 | 庄秋瑶 | Adaptive projection traffic lights |
-
2018
- 2018-06-08 CN CN201810118410.4A patent/CN108343905B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759054A (en) * | 2011-04-25 | 2012-10-31 | 邱金和 | Street lamp structure |
| CN203349142U (en) * | 2013-06-13 | 2013-12-18 | 华北电力大学 | Wind-solar complementary infrared sensing energy-saving street lamp |
| CN106134289A (en) * | 2014-02-26 | 2016-11-16 | 飞利浦灯具控股公司 | Detection based on luminous reflectance |
| CN203963741U (en) * | 2014-07-09 | 2014-11-26 | 卓仲表 | Side direction LED street lamp |
| CN204005621U (en) * | 2014-07-18 | 2014-12-10 | 上海尼塔建筑景观设计有限公司 | A kind of energy-conserving road lamp |
| CN204943297U (en) * | 2015-07-22 | 2016-01-06 | 东北石油大学 | A kind of floor projection automation street lamp |
| CN105570779A (en) * | 2015-11-06 | 2016-05-11 | 钱月珍 | Energy-saving LED street lamp with high heat dissipation efficiency |
| CN205351082U (en) * | 2016-01-15 | 2016-06-29 | 郑州大学 | Street lamp with belt cleaning device |
| CN107316477A (en) * | 2017-08-23 | 2017-11-03 | 庄秋瑶 | Adaptive traffic lights |
| CN107316479A (en) * | 2017-08-23 | 2017-11-03 | 庄秋瑶 | Antifog traffic lights |
| CN107507438A (en) * | 2017-08-23 | 2017-12-22 | 庄秋瑶 | Adaptive projection traffic lights |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513634A (en) * | 2019-08-12 | 2019-11-29 | 左建 | A kind of intelligent LED street lamp and its working method |
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| Publication number | Publication date |
|---|---|
| CN108343905B (en) | 2020-05-01 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200327 Address after: 225000, Yangzhou City, Jiangsu province Gaoyou Town Industrial Park Applicant after: Runchi Lighting Group Co.,Ltd. Address before: Wujiang District of Suzhou City, Jiangsu Province, Kaiping road 215000 Wuyue square block D room 1418 Applicant before: Zhu Hongfei |
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Granted publication date: 20200501 |