CN111043549A - Extensible composite street lamp with antenna installation position - Google Patents
Extensible composite street lamp with antenna installation position Download PDFInfo
- Publication number
- CN111043549A CN111043549A CN201911322521.8A CN201911322521A CN111043549A CN 111043549 A CN111043549 A CN 111043549A CN 201911322521 A CN201911322521 A CN 201911322521A CN 111043549 A CN111043549 A CN 111043549A
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- CN
- China
- Prior art keywords
- lamp
- base
- lamp post
- antenna
- mounting
- 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.)
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Classifications
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- 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
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- 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
-
- 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
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- 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
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
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- 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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
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- 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
Abstract
The invention discloses a composite street lamp with an antenna installation position and an extensible function, which belongs to the field of intelligent street lamps and is used for urban illumination and intelligent cities, wherein a lamp post is fixed on the ground through a base, an illumination rod body extending to one side of the lamp post is arranged at the middle upper part of the lamp post, an illumination lamp is arranged at the tail end of the illumination rod body, a clamping seat is arranged at a position close to the top end of the lamp post, the clamping seats are uniformly distributed around the central axis of the lamp post, clamping grooves are formed in the clamping seat, a base is clamped in the clamping grooves, a cover body is arranged at the top end of the lamp post, a plurality of adjusting holes are respectively processed in the cover body and the base, adjusting rods are arranged and fixed on the cover body and the base through the adjusting holes, an antenna installation plate; the cover body is fixed on the top of the lamp post through the fixing body. The street lamp can realize the installation of the communication antenna by improving the structure of the street lamp, and can provide enough space for the installation of the subsequent sensor.
Description
Technical Field
The invention belongs to the field of intelligent street lamps, and particularly relates to an extensible composite street lamp with an antenna installation position.
Background
The street lamp is used as a main device for solving urban road illumination, is distributed in streets and alleys of cities, not only decorates cities at night, but also can provide enough convenience for night traveling of people. However, with the rapid development of urbanization, the population number in cities is increasing, and the increase of the population number brings about the increase of the number of mobile terminals, which causes pressure on the existing communication base station, and if the problem is not solved in time, the communication quality of the mobile terminals is reduced.
Meanwhile, in order to achieve better city management, the existing city managers are dedicated to the creation of smart cities, the smart cities are deeply integrated in industrialization, urbanization and informatization, and more sensors, camera devices and the like are needed to achieve safe, efficient and instant response, and how to achieve the installation of the sensors and the camera devices becomes a technical problem to be solved.
Disclosure of Invention
The invention aims to provide an extensible composite street lamp with an antenna installation position, which can realize the installation of a communication antenna by improving a street lamp structure and can provide enough space for the installation of a subsequent sensor.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the composite street lamp with the antenna installation position and the expandable function comprises a lamp post, wherein the lamp post is fixed on the ground through a base, a lighting rod body extending to one side of the lamp post is arranged at the middle upper part of the lamp post, a lighting lamp is arranged at the tail end of the lighting rod body, clamping seats are arranged at the positions close to the top end of the lamp post and are uniformly distributed around the central axis of the lamp post, clamping grooves are formed in the clamping seats, a base is clamped in the clamping grooves, a cover body is arranged at the top end of the lamp post, a plurality of adjusting holes are formed in the cover body and the base, adjusting rods are arranged on the cover body and the base through the adjusting holes and are fixed on the cover body and the base, an antenna installation plate is arranged on the; the cover body is fixed on the top of the lamp post through the fixing body.
Furthermore, the annular mounting seats are arranged below the lighting rod body of the lamp rod, are multilayer and are distributed in the height direction of the lamp rod; the annular mounting seat is provided with an annular seat mounting hole formed by a plurality of through holes.
Furthermore, the projections of the annular seat mounting holes processed by the annular mounting seats arranged in layers in the invention in the vertical direction are staggered.
Furthermore, the control box is installed at the position, close to the base, of the lamp pole.
Further, the control box is installed and fixed on the lamp post through the hoop.
Furthermore, the base and the cover are both annular plates, and a clamping joint matched with the clamping groove is processed at the inner hole of the base.
Furthermore, a plurality of reinforcing ribs are arranged at the connecting position of the base and the lamp post, and the reinforcing ribs are uniformly distributed around the central axis of the lamp post.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the base and the cover which are arranged in parallel are arranged at the top end of the lamp pole, the adjusting holes are processed on the base and the cover, the direction of the antenna mounting plate is adjusted by connecting the adjusting holes and the adjusting rod, and then the direction of the antenna mounting of the communication base station is adjusted.
2. According to the invention, the clamping seat is connected with the base, and the cover body is fixed by the fixing body, so that the difficulty of processing and subsequent assembly processes can be reduced, and the production efficiency is improved.
3. According to the invention, the lamp post is provided with the plurality of groups of annular mounting seats in a layered manner, and the annular mounting seats are provided with the annular seat mounting holes, so that the annular seat mounting holes can be used for mounting various sensors required by security cameras and smart cities.
4. According to the invention, the detachable and fixed control box is arranged at the bottom of the lamp post, the control box is used for placing a street lamp control switch, a security camera or a controller of a sensor required by a smart city, a controller of a base station antenna and the like, and maintenance and equipment increase and debugging can be realized by constructors without overhead operation.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the overall structure of the present invention (with a part of the antenna mounting board removed).
Fig. 3 is a schematic structural diagram of the antenna mounting plate, the adjusting lever and the base according to the present invention.
FIG. 4 is a schematic view of the lamp post of the present invention (with the base, antenna mounting plate, etc. removed)
Fig. 5 is a partially enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic structural view of a solar cell panel frame body according to the present invention.
In the figure: 1. a base; 2. reinforcing ribs; 3. a control box; 4. a lamp post; 5. an annular mounting seat; 6. an annular seat mounting hole; 7. an illumination rod body; 8. an illuminating lamp; 9. a base; 10. an antenna mounting plate; 11. an antenna mounting hole; 12. a cover body; 13. a fixed body; 14. an adjustment hole; 15. a clamping seat; 16. clamping a hoop; 17. a fixing hole; 18. adjusting a rod; 19. a clamping head; 20. a card slot; 21. a rod body mounting plate; 22. a rod body mounting hole; 23. a rod body limiting part; 24. a bolt is fastened on the rod body; 25. installing a rod body; 26. an oblique limiting rod; 27. an oblique limiting hole; 28. a battery adjusting lever; 29. a battery mounting seat; 30. the adjusting rod is hinged with the seat.
Detailed Description
The technical solution of the present invention will be further described and illustrated with reference to the accompanying drawings and embodiments. It should be noted that the following paragraphs may refer to terms of orientation, including but not limited to "upper, lower, left, right, front, rear" and the like, which are all based on the visual orientation shown in the drawings corresponding to the specification, and should not be construed as limiting the scope or technical aspects of the present invention, but merely as facilitating better understanding of the technical aspects of the present invention by those skilled in the art.
In the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1
A composite street lamp with an antenna installation position and an extensible function comprises a lamp post 4, wherein the lamp post 4 is fixed on the ground through a base 1, a lighting rod body 7 extending towards one side of the lamp post 4 is arranged at the middle upper position of the lamp post 4, a lighting lamp 8 is installed at the tail end of the lighting rod body 7, a clamping seat 15 is arranged at the position close to the top end of the lamp post 4, the clamping seats 15 are uniformly distributed around the central axis of the lamp post 4, a clamping groove 20 is arranged on the clamping seat 15, a base 9 is clamped in the clamping groove 20, a cover body 12 is arranged at the top end of the lamp post 4, a plurality of adjusting holes 14 are respectively processed on the cover body 12 and the base 9, an adjusting rod 18 is installed and fixed on the cover body 12 and the base 9 through the adjusting holes 14, an antenna installation plate 10 is arranged on the adjusting rod; the cover 12 is fixed to the top of the lamp post 4 by a fixing body 13.
Example 2
A composite street lamp with an antenna installation position and an expandable function is disclosed, wherein an annular installation seat 5 is arranged below a lighting rod body 7 of a lamp post 4, and the annular installation seats 5 are multilayer and distributed in the height direction of the lamp post 4; an annular mounting seat 6 consisting of a plurality of through holes is processed on the annular mounting seat 5; projections of annular seat mounting holes 6 processed by annular mounting seats 5 arranged on the lamp post 4 in a layered manner in the vertical direction are mutually staggered; the lamp post 4 is provided with a control box 3 at a position close to the base 1; the control box 3 is installed and fixed on the lamp post 4 through a hoop 16; the base 9 and the cover 12 are both annular plate bodies, and a clamping joint 19 matched with a clamping groove 20 is processed at an inner hole of the base 9; the connection position department of base 1 and lamp pole 4 is provided with a plurality of strengthening ribs 2, and strengthening rib 2 is around the central axis equipartition of lamp pole 4. The structures and the connection relations of the rest parts are the same as those described in any of the previous embodiments.
On the basis of the above embodiments, the present invention continues to describe the technical features and functions of the technical features in the present invention in detail to help those skilled in the art fully understand the technical solutions of the present invention and reproduce them.
The lamp post 4 is fixed on the ground concrete foundation pile through the base 1 at the bottom end and can be connected and fixed through fastening bolts. In order to increase the stability of the connecting part of the base 1 and the lamp pole 4, reinforcing ribs 2 are arranged at the connecting position of the base 1 and the lamp pole 4, and the reinforcing ribs 2 are uniformly distributed around the central axis of the lamp pole 4.
In the invention, the lamp post 4 is provided with the lighting rod body 7 extending towards one side at the position of the upper part of the lamp post, the tail end of the lighting rod body 7 is provided with the lighting lamp 8, and the lighting lamp 8 can provide sufficient lighting brightness for urban roads.
In the invention, the lamp post 4 between the base 1 and the lighting rod body 7 is provided with the annular mounting seat 5, the annular mounting seats 5 are arranged on the lamp post 4 in a layered manner, a plurality of annular seat mounting holes 6 are processed on the annular mounting seat 5, and the annular seat mounting holes 6 of each layer are arranged in a staggered manner. Annular mount pad 5, annular seat mounting hole 6 can provide installation space and fixed position for subsequent sensor, security protection camera etc. to the extension of the follow-up function of street lamp.
In the invention, a base 9 is arranged at the position of the lamp pole 4 close to the top end, and the base 9 is clamped at a clamping seat 15 on the lamp pole 4. The structure of the clamping seat 15 is shown in fig. 4 and 5, and a clamping groove 20 is formed on the clamping seat. The clamping seat 15 is a rectangular block body, and the clamping groove 20 is a rectangular blind hole with an opening on the side surface. The base 9 be circular plate body structure, the hole that supplies it to cup joint in lamp pole 4 is processed to middle part position at base 9, the border processing of hole has joint 19. The card connector 19 is adapted to the shape of the card slot 20. Through the cooperation of draw-in groove 20, joint 19, can realize that base 9 is fixed in on the joint seat 15 to realize the equipment between base 9 and the lamp pole 4 and can dismantle. In actual use, the clamping head 19 and the clamping groove 20 can be in interference fit.
In the present invention, the cover 12 is also a circular plate with an inner hole formed in the middle, a plurality of adjusting holes 14 are correspondingly formed on the cover 12 and the base 9, and the adjusting holes 14 are used for connecting with an adjusting rod 18 and realizing fixation. In the present invention, the adjustment rod 18 is preferably hexagonal or octagonal in cross section, and the corresponding adjustment hole 14 is a through hole also having a hexagonal or octagonal cross section. The polygonal adjustment rod 18 and the adjustment hole 14 are selected to achieve the adjustment of the adjustment rod 18 by rotation and to also perform a limiting function. As shown in fig. 3, the adjusting lever 18 is configured such that a threaded section is formed at the top end of the adjusting lever 18 and a fastening nut is sleeved on the threaded section, and after the adjusting lever 18 passes through the adjusting hole 14 of the cover 12, the adjusting lever 18 is fixed by tightening the fastening nut located at the top end of the adjusting lever 18 at the upper and lower positions of the cover 12.
In the present invention, the adjusting lever 18 is provided with an antenna mounting plate 10 which is consistent with the length direction of the adjusting lever, the antenna mounting plate 10 is positioned outside the base 9 and the cover 12, an antenna mounting hole 11 which is composed of a plurality of threaded holes is processed in the length direction of the antenna mounting plate 10, and the antenna mounting hole 11 is used for connecting an antenna for a communication base station or a wireless communication unit which is needed by city monitoring and the like. As shown in fig. 1 to 5, the antenna mounting plates 10 are uniformly distributed around the central axis of the lamp post 4 in the circumferential direction of the lamp post 4, and can be used for mounting communication antennas or communication units in different directions as required to meet diversified communication requirements.
In the present invention, the cover 12 is fixed to the top end of the lamp post 4 by a fixing body 13. The lamp post 4 of the present invention is a hollow linear tube, and the fixing body 13 is a rod body with an annular protrusion, and can be inserted into the top end of the lamp post 4 in an interference fit manner, and is pressed on the upper surface of the cover 12 through an annular protrusion structure. In practical use, corresponding threaded holes may be formed in the end surfaces of the fixing body 13, the cover 12, and the lamp post 4, and the three may be fixed again by fastening screws or bolts.
In the present invention, the control box 3 is installed at the middle lower part of the lamp post 4, which is helpful for facilitating the debugging and maintenance of the controller including the lighting lamp 8 by the operator. Meanwhile, interfaces of various circuits can be placed in the control box 3, so that subsequent function expansion is facilitated. In order to deal with different road conditions, the control box 3 is fixed on the lamp post 4 by a hoop 16. The clamp 16 can facilitate the adjustment of the installation position of the control box 3 by an operator, so as to avoid the influence of the control box 3 on the traffic of a narrow road as much as possible.
The antenna mounting board 10 of the present invention may be mounted with a solar panel structure. Specifically, in the present invention, the solar cell panel is mounted on the battery mounting seat 29 by fastening screws, and the battery mounting seat 29 is located on the battery adjusting lever 28. The battery adjusting rod 28 of the present invention comprises two parallel plates, and the battery mounting seat 29 is used for connecting and fixing the two parallel plates to form the battery adjusting rod 28. The battery adjusting rod 28 is formed with a plurality of through holes (not shown) along the length direction thereof, and the battery adjusting rod 28 is connected to the inclined position-limiting hole 27 of the inclined position-limiting rod 26 through the through holes. The inclined limiting rod 26 is a plate body inclined at 45-60 degrees with the mounting rod body 25, and the battery adjusting rod 28 is located inside the inclined limiting rod 26. The bottom end of the battery adjusting rod 28 is hinged on the adjusting rod hinge seat 30 through a hinge shaft, and the adjusting rod hinge seat 30 is positioned at the tail end of the mounting rod body 25 and is integrated with the mounting rod body. The installation body of rod 25 on process and to have the polygon through-hole, the installation body of rod 25 passes through the installation of polygon through-hole and fixes on the installation pole at body of rod mounting panel 21 top, the installation pole at body of rod mounting panel 21 top includes the polygon body of rod of bottom and the threaded rod at top, the fastening to installation pole 25 is accomplished through the threaded rod at top and the cooperation of body of rod fastening bolt 24 to body of rod mounting panel 21. The installation body of rod 25 on the polygon through-hole and the polygon body of rod body mounting panel 21 top the orientation of the installation body of rod 25 can be injectd and be convenient for fixed, prevent the rotation after the installation. In the invention, the mounting rod 25 is provided with a rod limiting part 23 arranged at a right angle with the rod mounting plate 21 at the connecting position of the rod mounting plate 21, and the rod limiting part 23 is attached to the inner side surface of the rod mounting plate 21. The rod mounting plate 21 is mounted on the antenna mounting plate 10 through the rod mounting hole 22.
In order to facilitate the installation of the rod body mounting plate 21 on the antenna mounting plate 10 through the rod body mounting hole 22, an caulking groove is processed on the rod body mounting plate 21, and the caulking groove is located at the connecting position of the rod body limiting portion 23 and the rod body mounting plate 21 and is used for accommodating the rod body limiting portion 23, so that the rod body limiting portion 23 can be flush with the inner side surface of the rod body mounting plate 21.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a take compound street lamp of antenna installation position and extensible, includes lamp pole (4), lamp pole (4) are fixed in ground through base (1), are provided with the lighting rod body (7) that extend to lamp pole (4) one side in the well upper portion position department of lamp pole (4), and light (8), its characterized in that are installed to the end of the lighting rod body (7): the lamp post structure is characterized in that a clamping seat (15) is arranged at a position close to the top end of a lamp post (4), the clamping seats (15) are uniformly distributed around the central axis of the lamp post (4), a clamping groove (20) is arranged on the clamping seat (15), a base (9) is clamped in the clamping groove (20), a cover body (12) is arranged at the top end of the lamp post (4), a plurality of adjusting holes (14) are respectively processed on the cover body (12) and the base (9), an adjusting rod (18) is installed and fixed on the cover body (12) and the base (9) through the adjusting holes (14), an antenna mounting plate (10) is arranged on the adjusting rod (18), and an antenna mounting hole (11) for mounting an antenna is processed on the antenna mounting plate (10; the cover body (12) is fixed on the top of the lamp post (4) through a fixing body (13).
2. The expandable composite street lamp with an antenna mounting position according to claim 1, wherein: the lamp post (4) is provided with an annular mounting seat (5) below the lighting post body (7), and the annular mounting seats (5) are multilayer and distributed in the height direction of the lamp post (4); and an annular mounting seat (6) consisting of a plurality of through holes is processed on the annular mounting seat (5).
3. The expandable composite street lamp with an antenna mounting position according to claim 2, wherein: the projections of the annular seat mounting holes (6) processed by the annular mounting seats (5) in the vertical direction are staggered with each other.
4. The expandable composite street lamp with an antenna mounting position according to claim 1, wherein: the lamp post (4) is provided with a control box (3) at a position close to the base (1).
5. The expandable composite street lamp with an antenna mounting position according to claim 4, wherein: the control box (3) is installed and fixed on the lamp pole (4) through a hoop (16).
6. The expandable composite street lamp with an antenna mounting position according to claim 1, wherein: the base (9) and the cover body (12) are both annular plate bodies, and a clamping joint (19) matched with the clamping groove (20) is processed at the inner hole of the base (9).
7. The expandable composite street lamp with an antenna mounting position according to any one of claims 1 to 6, wherein: the lamp is characterized in that a plurality of reinforcing ribs (2) are arranged at the connecting positions of the base (1) and the lamp post (4), and the reinforcing ribs (2) are uniformly distributed around the central axis of the lamp post (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322521.8A CN111043549A (en) | 2019-12-20 | 2019-12-20 | Extensible composite street lamp with antenna installation position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911322521.8A CN111043549A (en) | 2019-12-20 | 2019-12-20 | Extensible composite street lamp with antenna installation position |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111043549A true CN111043549A (en) | 2020-04-21 |
Family
ID=70238089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911322521.8A Pending CN111043549A (en) | 2019-12-20 | 2019-12-20 | Extensible composite street lamp with antenna installation position |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111043549A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI810006B (en) * | 2022-08-03 | 2023-07-21 | 永滐投資有限公司 | Combined street light |
-
2019
- 2019-12-20 CN CN201911322521.8A patent/CN111043549A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI810006B (en) * | 2022-08-03 | 2023-07-21 | 永滐投資有限公司 | Combined street light |
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Application publication date: 20200421 |