CN208267524U - A kind of communication pole of integrated multi-operator easy to repair - Google Patents
A kind of communication pole of integrated multi-operator easy to repair Download PDFInfo
- Publication number
- CN208267524U CN208267524U CN201820548033.3U CN201820548033U CN208267524U CN 208267524 U CN208267524 U CN 208267524U CN 201820548033 U CN201820548033 U CN 201820548033U CN 208267524 U CN208267524 U CN 208267524U
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- lifting unit
- main rod
- rod body
- repair
- communication pole
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- 238000004891 communication Methods 0.000 title claims abstract description 41
- 230000008439 repair process Effects 0.000 title claims abstract description 17
- 230000007423 decrease Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 13
- QSWYYWPMISVACF-LSBSRIOGSA-N [chloro-[(2s,5r)-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]methyl] hypochlorite Chemical compound O1[C@H](C(Cl)OCl)CC[C@@H]1N1C(=O)NC(=O)C=C1 QSWYYWPMISVACF-LSBSRIOGSA-N 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 abstract description 33
- 230000008021 deposition Effects 0.000 abstract description 2
- 238000003032 molecular docking Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Mobile Radio Communication Systems (AREA)
Abstract
The utility model relates to communication pole field, especially a kind of communication pole of integrated multi-operator easy to repair comprising: main rod body；Lifting unit, the lifting unit are installed in the main rod body, and can be gone up and down along main rod body；The lifting unit quantity is three or more and can individually be gone up and down, RRU is mounted on single lifting unit, and the antenna connected with RRU, the purpose of utility model of the utility model be to provide a kind of reduction feeder line bending or deposition path it is longer brought by the low influence of transmittability, it still can be used during antenna decline when safeguarding antenna, reduce the loss at feeder line and antenna docking, multiple operator's antennas and mutually interference-free can be set simultaneously, the communication pole for playing the integrated multi-operator easy to repair of good protection when later maintenance also facilitates and safeguards in the case where multiple operator's antennas to the equipment of non-present operator is set simultaneously.
Description
Technical field
The utility model relates to communication pole field, especially a kind of communication pole of integrated multi-operator easy to repair.
Background technique
A kind of communication pole, rod-like structure being installed in city, has communication function.
In communication pole, having antenna for transmitting signals, antenna is connect by feeder line with RRU (Remote Radio Unit),
The strength and stiffness design requirement of feeder line is very high, while the requirement of curvature is also higher, and curvature is excessive, the transmittability of feeder line
It can have a greatly reduced quality, so at present in the organization plan of communication pole, there are two types of the project plan comparison of use is universal:
1, antenna is fixed at the top of communication pole, and RRU is located at the bottom of communication pole, is disposed with along communication club shaft linear
Feeder line, feeder line both ends are connected to RRU and antenna；
2, antenna is liftably installed on communication club shaft, and RRU is located at the bottom of communication pole, along communication club shaft arrangement
There is linear feeder line, feeder line both ends are connected to RRU and antenna；
The shortcomings that both existing communication poles are respectively present at present:
1, antenna is fixed at the top of communication pole, and later maintenance is pretty troublesome, and feeder line is longer, also affects feeder line to a certain extent
Transmittability；
2, antenna convenient later maintenance, but since the feeder line that front is talked about cannot be bent excessive problem, so this
When the kind scheme later period is to antenna maintenance, feeder line and antenna is needed to dismantle, then declines antenna (decline process and maintenance process antenna
The function of transmitting signal can be lost), low efficiency and irreversible loss will also result in the junction of feeder line and antenna, influences to pass
Movement Capabilities, meanwhile and above-mentioned 1 scheme in there is also the longer defects of feeder line, also affect the transmission of feeder line to a certain extent
Ability.
Secondly, there is the communication pole that multiple operator's antennas can be arranged at present, it is integrated at the top of communication pole, is mounted on
In identical carrier, first is that being easy to interfere with each other, second is that later maintenance is very inconvenient, maintenance personnel needs to climb up communication pole dimension
It protects, the equipment for being also easy to touch other non-present operators in maintenance process causes to accidentally injure.
Utility model content
In view of the problems of the existing technology, the purpose of utility model of the utility model is to provide a kind of reduction feeder line curved
Can still it make during antenna decline when the low influence of transmittability brought by bent or deposition path is longer, maintenance antenna
With, reduce loss at feeder line and antenna docking, multiple operator's antennas can be set simultaneously and mutually interference-free while being arranged
Good protection is played to the equipment of non-present operator when later maintenance also facilitates and safeguards in the case where multiple operator's antennas to make
The communication pole of integrated multi-operator easy to repair.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of communication pole of integrated multi-operator easy to repair comprising:
Main rod body；
Lifting unit, the lifting unit are installed in the main rod body, and can be gone up and down along main rod body；
The lifting unit quantity is three or more and can individually be gone up and down, and is mounted on RRU on single lifting unit,
And the antenna connected with RRU.
By the way that RRU setting in lifting unit, can be shortened the distance of feeder line significantly, feeder line is reduced because length brings transmission
The decaying of ability, meanwhile, antenna is arranged on lifting unit, later maintenance is more convenient, it is often more important that, this scheme, the later period
When maintenance, it can directly decline lifting unit, since RRU is mounted on lifting unit with antenna and is connected each other by feeder line,
Lifting unit does not just have to dismantle in decline, will not be bent and transmittability is caused to decay, not to the junction of feeder line and antenna yet
Will cause irreversible loss, maintenance efficiency is high, it is often more important that, the lifting unit quantity be three or more and can individually into
Row is gone up and down, and is mounted on RRU on single lifting unit, can be at least arranged three or more and set with lifting unit corresponding number operator
It is standby, the adjustment of each lifting unit relative position can be effectively carried out by the independent lifting of lifting unit, prevent different operators
Antenna interferes with each other, secondly, later maintenance is very convenient, maintenance personnel only needs to decline the liter for installing corresponding Provider Equipment
Safeguarded that the equipment that other non-present operators will not be touched in maintenance process causes to accidentally injure in drop portion.
As a preferred embodiment of the present invention, the lifting unit is configured as: will not when going up and down between different lifting units
Interference is generated, so that the maintenance specific aim in later period is more strongly gone up and down corresponding Provider Equipment while protecting lifting unit.
As a preferred embodiment of the present invention, BBU is installed in the main rod body, outside main rod body and/or on lifting unit
(baseband processing unit), the BBU are connected with RRU, are connected between BBU and RRU by optical fiber, when BBU is arranged on lifting unit
When, then optical fiber also state stable as feeder line, and when BBU is arranged in main rod body (mostly bottom, it is convenient for safeguarding, simultaneously
Mitigate the weight bearing of lifting unit), the optical fiber can then reserve a segment length, then optical fiber is adaptively bent when lifting unit is gone up and down,
Optical fiber cannot be bent unlike feeder line.
As a preferred embodiment of the present invention, transmission device and DCDU (power distribution list are installed in the main rod body
Member), and connected with the BBU and RRU, main rod body is interior, and to install then multiselect convenient for safeguarding in main rod body bottom, mitigates simultaneously
The weight bearing of lifting unit.
As a preferred embodiment of the present invention, transmission device and DCDU are installed, and and described on the lifting unit
BBU and RRU connection, set degree is higher, concentrates in together convenient for equipment, facilitates later maintenance, while also saving main rod body
Space, can accomplish thinner.
As a preferred embodiment of the present invention, Switching Power Supply is installed outside the main rod body bottom and/or main rod body, institute
It states Switching Power Supply to connect with DCDU, carries out operation in the bottom of main rod body convenient for operator, meanwhile, it is integrated into main rod body
Interior, the globality of communication pole is stronger, more saving space and beauty.
As a preferred embodiment of the present invention, it is provided with light source on the main rod body and/or lifting unit, in this scheme
Communication pole can then have the function of street lamp, since street lamp is more evenly distributed rule in city incity, and be municipal power supply, so
It can be such that the covering power of signal greatly enhances as communication pole, and the state used is also more stable, also no longer need individually into
The body of rod of row single-pass telecommunication function is installed.
As a preferred embodiment of the present invention, promising lifting unit offer lifting is installed dynamic between the main rod body and lifting unit
The pulley mechanism of power, and the pulley mechanism, by individual power source drive, structure is simple, convenient for the maintenance and replacement in later period,
It is at low cost.
As a preferred embodiment of the present invention, the pulley mechanism includes:
Pulley blocks, the pulley blocks connection main rod body and lifting unit, the pulley blocks connect the power source；
Holding section, the holding section are divided into the two parts being mutually matched, and are respectively arranged at the top of main rod body and each lifting
In portion, when lifting unit rises to preset height by pulley blocks driving, is acted on and being limited by holding section, decline lifting unit by limitation,
Keep the lifting process of lifting unit more excellent, when equipment in maintenance lifting portion, the maintenance efficiency of maintenance personnel is higher, and learning cost is more
It is low.
As a preferred embodiment of the present invention, the holding section is configured to: lifting unit is after the limit, pulley blocks
Task driven lifting unit rises again, and when rising to another preset height, holding section releases limit, and lifting unit can be by pulley blocks
The decline of drives edge main rod body, keeps the lifting process of lifting unit more excellent, when equipment in maintenance lifting portion, the maintenance effect of maintenance personnel
Rate is higher, and learning cost is lower.
The beneficial effects of the utility model are:
By the way that RRU setting in lifting unit, can be shortened the distance of feeder line significantly, feeder line is reduced because length brings transmission
The decaying of ability, meanwhile, antenna is arranged on lifting unit, later maintenance is more convenient, it is often more important that, this scheme, the later period
When maintenance, it can directly decline lifting unit, since RRU is mounted on lifting unit with antenna and is connected each other by feeder line,
Lifting unit does not just have to dismantle in decline, will not be bent and transmittability is caused to decay, not to the junction of feeder line and antenna yet
Will cause irreversible loss, maintenance efficiency is high, it is often more important that, the lifting unit quantity be three or more and can individually into
Row is gone up and down, and is mounted on RRU on single lifting unit, can be at least arranged three or more and set with lifting unit corresponding number operator
It is standby, the adjustment of each lifting unit relative position can be effectively carried out by the independent lifting of lifting unit, prevent different operators
Antenna interferes with each other, secondly, later maintenance is very convenient, maintenance personnel only needs to decline the liter for installing corresponding Provider Equipment
Safeguarded that the equipment that other non-present operators will not be touched in maintenance process causes to accidentally injure in drop portion.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the position view of the utility model antenna mounting pallet；
Fig. 3 is the position view of the utility model pulley blocks；
Fig. 4 is the position view of the utility model hoist engine；
Fig. 5 is the utility model lifting schematic diagram；
Marked in the figure: 1, motor A 2, motor B 3, motor C 4, Support bracket 5, antenna mounting pallet A 6, antenna-feeder system
A 7, antenna mounting pallet B 8, antenna-feeder system B 9, antenna mounting pallet C 10, antenna-feeder system C 11, hook box A 12, hook
Box B 13, it hook box C 14, wirerope connecting plate A 15, wirerope connecting plate B 16, pulley blocks B 17, pulley blocks C 18, slides
Wheel group A 19, clothes-hook 20, Support bracket extension element 21, main rod body 22, cabinet 23, hoist engine A 24, hoist engine B 25, hoist engine
C。
Specific embodiment
The utility model is described in further detail below with reference to embodiment and specific embodiment.But it should not be by this
The range for being interpreted as the above-mentioned theme of the utility model is only limitted to embodiment below, in all utility models based on the utility model
Hold realized technology and belongs to the scope of the utility model.
Embodiment 1
Such as Fig. 1-5, a kind of communication pole of integrated multi-operator easy to repair comprising:
Main rod body 21；
Lifting unit, the lifting unit are installed in the main rod body 21, and can be gone up and down along main rod body 21；
The lifting unit quantity is three or more and can individually be gone up and down (to be three in the present embodiment, and the liter
Drop portion is configured as: will not be generated interference when going up and down between different lifting units, can be installed mobile, connection respectively and telecommunications three is transported greatly
The equipment for seeking quotient), RRU, and the antenna connected with RRU are mounted on single lifting unit, are equipped on the lifting unit
BBU, the BBU are connected with RRU, transmission device and DCDU are equipped on the lifting unit, and connect with the BBU and RRU
It connects, 21 bottom of main rod body is equipped with Switching Power Supply, and (21 bottom of main rod body is provided with cabinet 22, and the Switching Power Supply setting exists
In cabinet 22), the Switching Power Supply is connected with DCDU.
Specifically, being provided with light source (for illuminating lamp holder) on the lifting unit, communication pole has street lamp in the present embodiment
Function installs promising lifting unit and provides the pulley mechanism of lifting drive, and the turbine between the main rod body 21 and lifting unit
Structure is by individual power source drive.
The pulley mechanism includes:
Pulley blocks, the pulley blocks connection main rod body 21 and lifting unit, the pulley blocks connect power source (this implementation
It is motor in example, such as Fig. 4, motor includes three in the present embodiment, is motor A1, motor B2 and motor C3, is mounted on mobile jib
It the inside of body 21 and is located below, corresponds to three lifting units and the driving force of lifting is provided, it is equal on motor A1, motor B2 and motor C3
It is provided with gear A, the rotation of motor direct-drive gear A, motor top position is horizontally arranged with transmission shaft, also is located at main rod body
In 21, transmission outer shaft sleeve is equipped with hoist engine and gear B, gear A and gear B cooperation, and the final driving hoist engine of gear A rotation turns
It is dynamic), in the present embodiment, also correspondence is divided into three to hoist engine, is hoist engine A23, hoist engine B24 and hoist engine C25, respectively corresponds
Motor A1, motor B2 and motor C3, the pulley blocks (it is pulley blocks A18, pulley blocks B16 and pulley blocks C17 in the present embodiment,
Respectively correspond three lifting units) it include fixed pulley group and fixed pulley bracket, the fixed pulley bracket is mounted on 21 top of main rod body,
Quantity is three, and (fixed pulley bracket shape such as Fig. 3 is trident, and the outer diameter of different pulley blocks is different, and such as Fig. 2 is descending
Ground is matched with following antenna mounting pallet A5, antenna mounting pallet B7 and antenna mounting pallet C9), the fixed pulley group is three
Group is symmetrically installed on the fixed pulley bracket, and main steel rope is equipped with to winding on the hoist engine, and one end of main steel rope connects
It is connected to the wirerope connecting plate being located inside main rod body 21 and (is divided into wirerope connecting plate A14, wirerope connecting plate B15 and steel wire
Restrict connecting plate C), the side opposite with main steel rope symmetrically connects two fixed pulley groups, fixed pulley group on wirerope connecting plate
In wirerope be secondary steel cable, secondary steel cable one end is connected on wirerope connecting plate, and the other end connects after fixed pulley bracket
In on lifting unit；
Holding section, the holding section are divided into the two parts (holding section includes hook box and clothes-hook 19) being mutually matched,
21 top of main rod body and lifting unit are respectively arranged at (specifically, clothes-hook 19 is arranged on the antenna mounting pallet being described below, originally
Hook box is divided into hook box A11, hook box B12 and hook box C13 in embodiment, respectively corresponds and different antenna mountings is arranged in
Clothes-hook 19 on pallet matches, and hook box A11, hook box B12 and hook box C13 are equally spaced from the bottom up in mobile jib
21 top of body, and the length of the expenditure main rod body 21 of hook box A11 is greater than hook box B12, the expenditure main rod body 21 of hook box B12
Length be greater than hook box C13), lifting unit by pulley blocks driving rise to preset height when, by holding section act on limit, make to rise
Drop portion is declined by limitation, and the holding section is configured to: lifting unit is after the limit, pulley blocks task driven lifting unit again
Rise, when rising to another preset height, holding section releases limit, and lifting unit can be by under pulley blocks drives edge main rod body 21
Drop, hook box be arranged main rod body 21 above, clothes-hook 19 setting on antenna mounting pallet, match on antenna mounting pallet there are three
Clothes-hook 19 (also may be greater than three quantity), and clothes-hook 19 is based on cylinder or cylinder-like structure, as shown in Figure 5: in antenna branch
In support plate uphill process, clothes-hook 19 is ramped, when clothes-hook 19 encounters the lower inclined plane of hook box, because by leading straight up
Gravitation, clothes-hook 19 will be moved along inclined-plane to the position b from the position a, when exceeding the height of the position position c, because of torsion reason, will be returned
It receives to the position c, antenna mounting pallet will be stuck in hook box, make lifting unit is whole to be declined by limitation, at this time communication pole
Long-term service stage can be entered；When needing to put down on pallet, mostly maintenance phase, continuing to drag main steel rope rises pallet,
When clothes-hook 19 encounters hook box ramp, similarly, clothes-hook 19 will be then mobile to the position f from the position d to the position e, and then be detached from
Hook box can adjust direction of motor rotation at this time, decline antenna mounting pallet.
In the present embodiment, lifting unit includes antenna mounting pallet, and the RRU, feeder line, antenna, BBU, DCDU and transmission are set
For being mounted on the antenna mounting pallet, (RRU, feeder line, antenna, BBU, DCDU and transmission device are denoted as antenna feeder in figure
System is the disk-like structure of circular ring shape in the present embodiment there are three antenna mounting pallets, matches outside main rod body 21, is
Antenna mounting pallet A5, antenna mounting pallet B7 and antenna mounting pallet C9 respectively correspond setting antenna-feeder system A6, antenna feeder thereon
The outer diameter of system B8 and antenna-feeder system C10, antenna mounting pallet A5 are less than the internal diameter of antenna mounting pallet B7, antenna mounting pallet
The outer diameter of B7 be less than antenna mounting pallet C9 internal diameter), be circular disk-like structure and with 21 circular arc external surface phase of main rod body
Matching, adjacent antenna is equiangularly arranged two-by-two centered on the center of circle of antenna mounting pallet, and 21 lower part of main rod body is provided with outward
The Support bracket extension element 20 of expenditure has Telescopic, the branch for reinforcing is provided with below Support bracket extension element 20
Bracketing frame 4, when communication pole normal use, Support bracket 4 can be taken in main rod body 21, beautiful and prevent from causing to hinder to pedestrian
Gear, when needing to safeguard communication pole, Support bracket extension element 20 stretches out, and the antenna mounting pallet of decline transfers to support
It completes to place on bracket extension element 20, then can be safeguarded, prevent antenna mounting pallet from not supporting only in pulley blocks
Lower easy shaking is pulled, difficulty is caused to maintenance.
The present embodiment also discloses the application method of the communication pole of the integrated multi-operator easy to repair comprising
Step:
A, it controls the lifting unit and drops to 21 bottom of main rod body along the main rod body 21；
B, the equipment on lifting unit is safeguarded；
C, the position to the antenna is calibrated, the angle of antenna is calibrated, control the lifting unit along institute
It states main rod body 21 and rises to predetermined altitude.
Embodiment 2
The difference of the present embodiment and embodiment 1 is, be equipped in the cabinet 22 in the main rod body 21 transmission device and
DCDU, and connected with the BBU and RRU, antenna, feeder line and RRU are installed on antenna mounting pallet.
Claims (8)
1. a kind of communication pole of integrated multi-operator easy to repair comprising:
Main rod body；
Lifting unit, the lifting unit are installed in the main rod body, and can be gone up and down along main rod body；
It is characterized in that,
The lifting unit quantity is three and can individually be gone up and down, and RRU, Yi Jihe are mounted on single lifting unit
The antenna of RRU connection；
The lifting unit is configured as: will not generate interference when going up and down between different lifting units；
Promising lifting unit is installed between the main rod body and lifting unit, the pulley mechanism of lifting drive is provided, and the pulley mechanism by
Individual power source drive, the pulley blocks include fixed pulley group and fixed pulley bracket, and the fixed pulley bracket is mounted on mobile jib
At the top of body, quantity is three, and fixed pulley bracket shape is trident, and the outer diameter of different pulley blocks is different.
2. the communication pole of one kind according to claim 1 integrated multi-operator easy to repair, which is characterized in that the master
The body of rod is interior, main rod body is equipped with BBU outside and/or on lifting unit, and the BBU is connected with RRU.
3. the communication pole of one kind according to claim 2 integrated multi-operator easy to repair, which is characterized in that the master
Transmission device and DCDU are installed in the body of rod, and connected with the BBU and RRU.
4. the communication pole of one kind according to claim 3 integrated multi-operator easy to repair, which is characterized in that the liter
Transmission device and DCDU are installed in drop portion, and connected with the BBU and RRU.
5. the communication pole of one kind according to claim 4 integrated multi-operator easy to repair,
It is characterized in that, Switching Power Supply is equipped with outside the main rod body bottom and/or main rod body, and the Switching Power Supply and DCDU connect
It connects.
6. the communication pole of one kind according to claim 5 integrated multi-operator easy to repair, which is characterized in that the master
Light source is provided on the body of rod and/or lifting unit.
7. the communication pole of one kind according to claim 6 integrated multi-operator easy to repair, which is characterized in that the cunning
Taking turns mechanism includes:
Pulley blocks, the pulley blocks connection main rod body and lifting unit, the pulley blocks connect the power source；
Holding section, the holding section are divided into the two parts being mutually matched, and are respectively arranged at the top of main rod body and on each lifting unit,
It when lifting unit rises to preset height by pulley blocks driving, is acted on and being limited by holding section, decline lifting unit by limitation.
8. the communication pole of one kind according to claim 7 integrated multi-operator easy to repair, which is characterized in that the card
Conjunction portion is configured to: lifting unit is after the limit, and task driven lifting unit rises pulley blocks again, rises to another default height
When spending, holding section releases limit, and lifting unit can be declined by pulley blocks drives edge main rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820548033.3U CN208267524U (en) | 2018-04-17 | 2018-04-17 | A kind of communication pole of integrated multi-operator easy to repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820548033.3U CN208267524U (en) | 2018-04-17 | 2018-04-17 | A kind of communication pole of integrated multi-operator easy to repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208267524U true CN208267524U (en) | 2018-12-21 |
Family
ID=64679035
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820548033.3U Expired - Fee Related CN208267524U (en) | 2018-04-17 | 2018-04-17 | A kind of communication pole of integrated multi-operator easy to repair |
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| Country | Link |
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| CN (1) | CN208267524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648636A (en) * | 2020-05-25 | 2020-09-11 | 王明 | Communication tower convenient to maintenance |
| CN112728483A (en) * | 2020-12-25 | 2021-04-30 | 江苏华夏灯业制造有限公司 | Solar energy LED street lamp is used in wisdom city |
-
2018
- 2018-04-17 CN CN201820548033.3U patent/CN208267524U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648636A (en) * | 2020-05-25 | 2020-09-11 | 王明 | Communication tower convenient to maintenance |
| CN112728483A (en) * | 2020-12-25 | 2021-04-30 | 江苏华夏灯业制造有限公司 | Solar energy LED street lamp is used in wisdom city |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |
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| CF01 | Termination of patent right due to non-payment of annual fee |