CN109539121A - Conveniently detachable solar street light - Google Patents
Conveniently detachable solar street light Download PDFInfo
- Publication number
- CN109539121A CN109539121A CN201811487946.XA CN201811487946A CN109539121A CN 109539121 A CN109539121 A CN 109539121A CN 201811487946 A CN201811487946 A CN 201811487946A CN 109539121 A CN109539121 A CN 109539121A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- pole
- buffer
- lamp
- solar street
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
-
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape
-
- 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]
-
- 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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The present invention relates to a kind of conveniently detachable solar street lights, including lamp stand, lamp cap, connecting rod and buffer, the lamp stand includes upper pole and lower pole, rotational pin is connected between upper pole and lower pole, the both ends of connecting rod are installed in respectively on the upper pole and the lower pole, connecting rod includes upper connecting rod and lower pull rod, and upper connecting rod and lower pull rod are connected with spring；Lamp cap is connected on upper pole by connecting rod.Conveniently detachable solar street light provided by the invention; lamp stand be it is folding, significantly facilitate dismounting and maintenance of the operating personnel to street lamp, buffer uses metal truss buffer layer; anticollision impact force can be effectively reduced; not only it can protect street lamp post but also can protect shock vehicle, and simple to install, it is convenient for disassembly and assembly; it can in-site installation; lamp cap good heat dissipation effect, long service life can meet the needs of practical application well.
Description
Technical field
The invention belongs to street lamp technology fields, and in particular to a kind of conveniently detachable solar street light.
Background technique
Street lamp is most commonly used illuminations on road surface, since street lamp is stood on the road surface of heavy traffic, at any time all
It is possible that being hit by vehicle, due to street lamp higher cost itself, lamp stand is hard, so may lead when accident shock occurs
The damage for causing vehicle and street lamp post, is more likely to result in the injures and deaths of occupant.In addition, the street lamp post on major trunk roads road surface
Higher, maintenance and replacement lamp need to carry out high altitude operation by large-scale elevation and subsidence mechanical, and this operation mode can not only give operation people
The person of member brings security risk, and needs more manpower and material resources, and maintenance cost is high.The LED work of the street lamp of the prior art
As when be converted into the electric energy of luminous energy less than 30%, remaining electric energy nearly all becomes thermal energy, increases its temperature, if junction temperature is more than most
Big to allow temperature, then chip overheating damages.The heat dissipation performance of existing LED street lamp is poor, affects the service life of LED street lamp.
Summary of the invention
For above-mentioned problems of the prior art, it can avoid above-mentioned skill occur the purpose of the present invention is to provide one kind
The street lamp of art defect.
In order to achieve the above-mentioned object of the invention, technical solution provided by the invention is as follows:
A kind of conveniently detachable solar street light, including lamp stand, lamp cap, connecting rod and buffer, the lamp
Bar includes upper pole and lower pole, and rotational pin is connected between upper pole and lower pole, and the both ends of connecting rod are installed in institute respectively
It states on pole and the lower pole, connecting rod includes upper connecting rod and lower pull rod, and upper connecting rod and lower pull rod are connected with spring；Lamp cap
It is connected on upper pole by connecting rod；Lamp cap includes lamp housing, and the substrate inside the lamp housing is equipped with several LED chips, described
The heat pipe of hollow is provided with below substrate, the liquid working substance to circulate in heat pipe passes through the Micropump being arranged on heat pipe and realizes circulation,
It is additionally provided with heat sink above the heat pipe, the heat pipes of the heat sink two sides is equipped with several first cooling fins, described heat sink upper
Side is equipped with fan；The lower end of lower pole is arranged in buffer, and buffer includes being arranged outside lower pole lower end
The concrete building enclosed, the gold that the peripheral anticollision internal layer of the concrete building is set, the anticollision internal layer periphery is set
The anticollision outer layer for belonging to rack buffer layer, the metal truss buffer layer periphery being set；The upper pole is equipped with positioning
The rotation strip in hole, the lower pole are equipped with positioning pin, and the location hole on the rotation strip can be inserted in positioning pin；The pull-up
The interconnecting piece of bar and lower pull rod is equipped with the external member for fixing upper connecting rod and lower pull rod；The both ends difference of the connecting rod is detachable
Be set to upper pole and lower pole on.
Further, the end of the lamp housing is equipped with several second cooling fins.
Further, the anticollision internal layer is the spring layer filled with sponge.
Further, the metal truss buffer layer is the anticollision buffer subsystem battle array being made of reinforcing bar.
Further, the top of the buffer is cone shape.
Further, the outer surface of the buffer is provided with one layer of reflective membrane.
Conveniently detachable solar street light provided by the invention, lamp stand be it is folding, operating personnel station is logical on ground
It receives and distributes and pulls down pull rod, so that it may upper pole be drawn to the position close to ground, make operating personnel station on the ground can be on street lamp
Headlamp replaced and repaired, significantly facilitate maintenance of the operating personnel to street lamp, it is easy to operate simple, while also avoiding
The danger of operating personnel's high altitude operation；Without large-scale elevation and subsidence mechanical, reduce operating personnel, greatly improve work efficiency,
Resource and manpower are saved, operating cost is reduced；Using pole and lower pole in rotation pin connection, allowance for depreciation is low, without warp
Often replacement；Buffer uses metal truss buffer layer, can effectively reduce anticollision impact force, both can protect street lamp
Lamp stand can protect shock vehicle, and simple to install again, convenient for disassembly and assembly, can in-site installation, use tilting top, avoid people
Member's climbing causes the accident, external reflectorized material, can effectively identify street lamp at rather dark and night；Lamp cap good heat dissipation effect,
Long service life can meet the needs of practical application well.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is partial structure sectional view of the invention；
Fig. 3 is the structural schematic diagram of lamp cap；
In figure, 1, lamp stand；2, upper pole；3, lower pole；4, rotation strip；5, positioning pin；6, location hole；7, rotational pin；8,
Upper connecting rod；9, lower pull rod；10, spring；11, external member；12, raised；13, the first bolt；14, the first external member；15, the second bolt；
16, the second external member；17, concrete constructs；18, anticollision internal layer；19, metal truss buffer layer；20, anticollision outer layer；21, basis connects
Relay part；22, connecting rod；23, lamp housing；24, LED chip；25, substrate；26, heat pipe；27, Micropump；28, heat sink；29, fan；30,
First cooling fin；31, the second cooling fin；32, buffer；33, lamp cap.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawing and specific implementation
The present invention will be further described for example.It should be appreciated that described herein, specific examples are only used to explain the present invention, and does not have to
It is of the invention in limiting.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, a kind of conveniently detachable solar street light, including lamp stand 1, lamp cap 33 and anticollision buffering
Device 32, the lamp stand 1 include upper pole 2 and lower pole 3, and rotational pin 7, the road LED are connected between upper pole 2 and lower pole 3
Lamp further includes connecting rod, and the both ends of connecting rod are installed in respectively on the upper pole 2 and the lower pole 3, and connecting rod includes upper
Pull rod 8 and lower pull rod 9, upper connecting rod 8 and lower pull rod 9 are connected with spring 10.Upper pole 2 is equipped with two piece of first external member 14, first set
14 both ends of part are equipped with through-hole, and two the first external members 14 are fixed on pole 2 by two the first bolts 13, and upper pole 2 is arranged
Between two the first external members 14, lower pole 3 is equipped with two piece of second external member 16, and 16 both ends of the second external member are equipped with through-hole, and two the
Two external members 16 are fixed on lower pole 3 by two the second bolts 15, and lower pole 3 is sheathed between two the second external members 15.On
Pull rod 8 is detachably connected with upper pole 2, and lower pull rod 9 is detachably connected with lower pole 3, passes through the first bolt 13, the first external member
14, any position of lamp stand is arranged in connecting rod by the adjustment of the second bolt 15, the second external member 16.Upper connecting rod 8 and lower pull rod 9
Interconnecting piece is equipped with external member 11 for fixing upper connecting rod 8 and lower pull rod 9, external member 11 be set to upper connecting rod 8 lower end and lower pull rod 9
Lower end.Lower 9 side wall of pull rod is equipped with three protrusions 12 for fixed sleeve part 11, and three protrusions 12 are evenly distributed on same circumference
On.
Lamp stand 1 be it is folding, when operation, pull lower pull rod 9, lower pull rod 9 drives upper connecting rod 8 to drive upper pole 2,
Upper pole 2 is equipped with rotation strip 4, and upper pole 2 is moved downward around rotational pin 7, and operating personnel is by pulling lower pull rod 9
Upper pole 2 is forgotten about it and carries out operation close to the position on ground；After operation is completed, opposite direction exerts a force to lower pull rod 9, upper pole 2
On rotation strip 4 on location hole 6 be inserted in the positioning pin 5 of lower pole 3 so that upper pole 2 is not passing through street lamp when in use
Rotational pin 7 rotates；External member 11 is slided down under the effect of gravity, covers the outside in spring 10 with the upper of fixed connecting rod
Pull rod 8 and lower pull rod 9, it is easy to operate, and manpower and material resources are saved, it greatly improves work efficiency, using rotation pin connection
Upper pole and lower pole, allowance for depreciation is low, without often replacement.
Lower 3 lower end of pole is provided with buffer 32, and buffer 32 includes being arranged outside lower 3 lower end of pole
The concrete enclosed constructs 17, the peripheral anticollision internal layers 18 of the concrete building 17 is arranged in, are arranged in the anticollision internal layer 18
The metal truss buffer layer 19 of periphery, the anticollision outer layer 20 that 19 periphery of metal truss buffer layer is set, anticollision buffering dress
It sets between adjacent each layer in 32, dismountable connection, anticollision internal layer is formed by the bolt that basic connecting component 21 is arranged
18 be the spring layer filled with sponge, and metal truss buffer layer 19 is the anticollision buffer subsystem battle array being made of reinforcing bar, anticollision buffering dress
The top for setting 32 is cone shape；The outer surface of buffer 32 is provided with one layer of reflective membrane, anti-for night passive type
Light can play reminding effect.When dismantling buffer 32, the bolt of the basic connecting component 21 of release can also be passed through
The various pieces of buffer 32 are disintegrated.The top of buffer 32 uses cone shape, and the personnel of avoiding climb
It climbs and causes danger.Buffer 32 can greatly reduce impact force when Vehicular impact street lamp, be mounted on road surface not only
It is possible to prevente effectively from because caused by the lances such as vehicle power equipment damage, moreover it is possible to reduce lance vehicle and the injury of personnel.
Lamp cap 33 is connected on pole 2 by connecting rod 22, as shown in figure 3, lamp cap 33 includes lamp housing 23, the lamp housing 23
Internal substrate 25 is equipped with several LED chips 24, and the heat pipe 26 of hollow, circulation in heat pipe 26 are provided with below the substrate 25
Liquid working substance pass through the Micropump 27 that is arranged on heat pipe 26 and realize circulation, the top of the heat pipe 26 is additionally provided with heat sink 28, institute
The heat pipe for stating heat sink 28 two sides is equipped with several first cooling fins 30, and heat sink 28 top is equipped with fan 29.The lamp housing
23 end is equipped with several second cooling fins 31.The heat transfer of LED chip 24 is to substrate 25, in the heat pipe 26 of 25 lower section of substrate
Liquid working substance heat is taken away, liquid working substance evaporation, the working medium after evaporation transfer heat to again heat sink 28 and first dissipate
Backing 30 is simultaneously condensed into liquid, and Micropump 27 realizes circulation of the liquid working substance in heat pipe 26；Second cooling fin 31 increases lamp cap
33 integral heat sink performance, extends the service life of lamp cap 33.The structure novel of lamp cap 33, good heat dissipation effect；LED chip 24
It is mounted on substrate 25, the liquid working substance in the heat pipe 26 of 25 lower section of substrate takes away chip by 27 circulation conveying of Micropump in time
Heat, 33 long service life of lamp cap.
Conveniently detachable solar street light provided by the invention, lamp stand be it is folding, operating personnel station is logical on ground
It receives and distributes and pulls down pull rod, so that it may upper pole be drawn to the position close to ground, make operating personnel station on the ground can be on street lamp
Headlamp replaced and repaired, significantly facilitate maintenance of the operating personnel to street lamp, it is easy to operate simple, while also avoiding
The danger of operating personnel's high altitude operation；Without large-scale elevation and subsidence mechanical, reduce operating personnel, greatly improve work efficiency,
Resource and manpower are saved, operating cost is reduced；Using pole and lower pole in rotation pin connection, allowance for depreciation is low, without warp
Often replacement；Buffer uses metal truss buffer layer, can effectively reduce anticollision impact force, both can protect street lamp
Lamp stand can protect shock vehicle, and simple to install again, convenient for disassembly and assembly, can in-site installation, use tilting top, avoid people
Member's climbing causes the accident, external reflectorized material, can effectively identify street lamp at rather dark and night；Lamp cap good heat dissipation effect,
Long service life can meet the needs of practical application well.
Embodiments of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (6)
1. a kind of conveniently detachable solar street light, which is characterized in that buffer and fill including lamp stand, lamp cap, connecting rod and anticollision
It sets, the lamp stand includes upper pole and lower pole, and rotational pin, the both ends difference of connecting rod are connected between upper pole and lower pole
It is installed on the upper pole and the lower pole, connecting rod includes upper connecting rod and lower pull rod, and upper connecting rod and lower pull rod are connected with
Spring；Lamp cap is connected on upper pole by connecting rod；Lamp cap includes lamp housing, and the substrate inside the lamp housing is equipped with several LED
Chip, the substrate lower section are provided with the heat pipe of hollow, and the liquid working substance to circulate in heat pipe passes through the Micropump being arranged on heat pipe
It realizes circulation, is additionally provided with above the heat pipe heat sink, the heat pipe of the heat sink two sides is equipped with several first cooling fins, described
Heat sink top is equipped with fan；The lower end of lower pole is arranged in buffer, and buffer includes being arranged in lower section
The concrete building of bar lower end periphery, is arranged in the anticollision internal layer anticollision internal layer that concrete building periphery is arranged in
The metal truss buffer layer of periphery, the anticollision outer layer that the metal truss buffer layer periphery is set；The upper pole is equipped with
Rotation strip with location hole, the lower pole are equipped with positioning pin, and the location hole on the rotation strip can be inserted in positioning pin；
The interconnecting piece of the upper connecting rod and lower pull rod is equipped with the external member for fixing upper connecting rod and lower pull rod；The both ends of the connecting rod point
It is not set on upper pole and lower pole removably.
2. conveniently detachable solar street light according to claim 1, which is characterized in that the end of the lamp housing is equipped with
Several second cooling fins.
3. conveniently detachable solar street light according to claim 1, which is characterized in that the anticollision internal layer is filling
There is the spring layer of sponge.
4. conveniently detachable solar street light according to claim 1, which is characterized in that the metal truss buffer layer
It is the anticollision buffer subsystem battle array being made of reinforcing bar.
5. conveniently detachable solar street light according to claim 1, which is characterized in that the buffer
Top is cone shape.
6. conveniently detachable solar street light according to claim 1, which is characterized in that the buffer
Outer surface is provided with one layer of reflective membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487946.XA CN109539121A (en) | 2018-12-06 | 2018-12-06 | Conveniently detachable solar street light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487946.XA CN109539121A (en) | 2018-12-06 | 2018-12-06 | Conveniently detachable solar street light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109539121A true CN109539121A (en) | 2019-03-29 |
Family
ID=65854212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811487946.XA Pending CN109539121A (en) | 2018-12-06 | 2018-12-06 | Conveniently detachable solar street light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109539121A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110570790A (en) * | 2019-09-16 | 2019-12-13 | 四川君逸数码科技股份有限公司 | Intelligent city informatization multifunctional column device |
-
2018
- 2018-12-06 CN CN201811487946.XA patent/CN109539121A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110570790A (en) * | 2019-09-16 | 2019-12-13 | 四川君逸数码科技股份有限公司 | Intelligent city informatization multifunctional column device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190329 |