CN112305693A - Outdoor dustproof case of 5G fronthaul - Google Patents
Outdoor dustproof case of 5G fronthaul Download PDFInfo
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- CN112305693A CN112305693A CN202011330604.4A CN202011330604A CN112305693A CN 112305693 A CN112305693 A CN 112305693A CN 202011330604 A CN202011330604 A CN 202011330604A CN 112305693 A CN112305693 A CN 112305693A
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- sealing
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- chamber
- groove
- cable
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a 5G front-end transmission outdoor dustproof box which comprises a box body, wherein a partition plate is connected inside the box body, an accommodating groove for accommodating an optical cable adapter is formed in the partition plate, the partition plate divides the interior of the box body into a first cavity and a second cavity, a waterproof joint is connected to the first cavity, an optical fiber welding device is connected inside the first cavity and comprises a plurality of inserting grooves for accommodating a heat shrinkable tube, a space for accommodating a single component of a coarse wavelength division multiplexer is formed between the optical fiber welding device and the partition plate, a plurality of rows of cable groove groups are arranged on the second cavity, a sealing strip is arranged between two adjacent rows of cable groove groups, each row of cable groove group comprises a plurality of branch cable grooves, a first sealing cover is connected to the first cavity and used for sealing the first cavity, a second sealing cover is connected to the second cavity and used for sealing the second cavity. The invention effectively improves the protection performance of the dustproof box and the stability of the internal working environment.
Description
Technical Field
The invention relates to the technical field of communication optical fibers, in particular to a 5G forward transmission outdoor dustproof box.
Background
With the large-scale construction of a 5G network, the consumption of the cable resources by the forward transmission is greatly increased, and in order to enable the existing network cable resources to meet the requirements of 5G new station construction, a passive wavelength division technology is generally adopted to expand the optical fiber between a DU (base station controller distributed unit) and an AAU (base station active antenna unit) so as to effectively save the cable resources. Because the communication equipment with the wave splitting function in the passive wavelength division technology is located outdoors, a fronthaul outdoor dustproof box is generally needed to be arranged in order to ensure that the fronthaul optical cable system needs to have high reliability of outdoor application.
The forward transmission outdoor dustproof box is a box body which is used for a base station tower, realizes the connection and management of optical fibers and has a wave splitting function. But traditional outdoor dust proof box protective properties is relatively poor, and the operating environment's in the dust proof box stability is not good, can't satisfy the user demand.
Disclosure of Invention
The invention aims to provide a 5G forward-transmission outdoor dustproof box which can effectively improve the protection performance and the stability of the internal working environment.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
A5G front-end transmission outdoor dustproof box comprises a box body, wherein a partition plate is connected inside the box body, a containing groove used for containing an optical cable adapter is formed in the partition plate, the interior of the box body is divided into a first cavity and a second cavity by the partition plate, a waterproof joint is connected on the first cavity, an optical fiber welding device is connected inside the first cavity and comprises a plurality of inserting grooves used for containing heat shrinkable tubes, a space used for containing single devices of a coarse wavelength division multiplexer is formed between the optical fiber welding device and the partition plate, a plurality of rows of cable groove groups are arranged on the second cavity, sealing strips are arranged between every two adjacent cable groove groups, each cable groove group comprises a plurality of branch cable grooves, each branch cable groove is used for penetrating optical cable branches, a first sealing cover is connected on the first cavity and used for sealing the first cavity, and a second sealing cover is connected to the second chamber and used for sealing the second chamber.
In one embodiment, a plurality of arc-shaped fiber winding plates are further connected in the second cavity.
In one embodiment, the radius of curvature of the arc about the fiber sheet is not less than 30 mm.
In one embodiment, a first sealing groove is formed in a contact surface of the first chamber and the first sealing cover, a second sealing groove is formed in a contact surface of the second chamber and the second sealing cover, and the sealing strips are connected in the first sealing groove and the second sealing groove.
In one embodiment, a third sealing groove is formed in the bottom of the accommodating groove, and the sealing strip is connected to the third sealing groove.
In one embodiment, one end of the second cover is hinged to the box body, the other end of the second cover is provided with a first cutting groove, the box body is provided with a second cutting groove, the first cutting groove and the second cutting groove are connected through a fastener, the fastener comprises a fastener body and a fastener ring, the fastener body is fastened in the first cutting groove, and the fastener ring is fastened in the second cutting groove.
In one embodiment, the first chamber and the first cover are connected by a countersunk screw, the first chamber is provided with a first mounting hole, the first cover is provided with a second mounting hole, the countersunk screw passes through the first mounting hole and the second mounting hole at the same time, and the second mounting hole is a countersunk hole.
In one embodiment, the countersunk head screw comprises a cap body and a screw rod, one end of the cap body is connected with the screw rod, and the other end of the cap body is provided with a plurality of hexagonal holes.
In one embodiment, the first chamber and the second chamber are provided with back plate mounting holes.
In one embodiment, a dustproof circular plate is detachably connected in the back plate mounting hole.
The invention has the following beneficial effects: the 5G forward-transmission outdoor dustproof box effectively improves the protection performance and the stability of the internal working environment, and has higher IP protection level as a whole.
Drawings
FIG. 1 is a schematic view of an angular configuration of a 5G forward pass outdoor dust bin of the present invention;
FIG. 2 is another angular configuration of the dust bin of FIG. 1;
FIG. 3 is a schematic view of the construction of the dust bin with the first and second covers open;
FIG. 4 is a schematic structural view of the cartridge shown in FIG. 1;
FIG. 5 is a schematic view of the first closure shown in FIG. 1;
FIG. 6 is a schematic view of the second closure shown in FIG. 1;
FIG. 7 is a schematic structural view of the latch of FIG. 1;
FIG. 8 is a schematic view of the installation of the dust box and cable adapter, coarse wavelength division multiplexer unit and heat shrink tube shown in FIG. 1;
fig. 9 is a schematic structural view of the countersunk-head screw in fig. 8.
In the figure: 1. the optical fiber cable connector comprises a box body, 2, a partition plate, 21, a containing groove, 211, a third sealing groove, 3, a first cavity, 31, a connector hole, 32, a first sealing groove, 33, a first mounting hole, 4, a second cavity, 41, a cable groove group, 411, a branch cable groove, 42, a second sealing groove, 5, a first sealing cover, 51, a second mounting hole, 6, a second sealing cover, 61, a first cutting groove, 7, a waterproof connector, 8, an optical fiber welding device, 81, a slot, 9, an arc fiber winding plate, 10, a second cutting groove, 11, a fastener, 111, a fastener, 112, a fastener ring, 12, a countersunk head screw, 121, 122, a hexagonal hole, 123, a screw rod, 13, a back plate mounting hole, 14, a dustproof circular plate, 15, a back plate, 16, a heat shrinkable tube, 17, a coarse wavelength division multiplexer unit, 18 and an optical cable adapter.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
As shown in fig. 1-3, the embodiment discloses a 5G front-end outdoor dustproof box, which includes a box body 1, a partition plate 2 is connected inside the box body 1, a receiving groove 21 for receiving an optical cable adapter 18 is formed in the partition plate 2, and the partition plate 2 divides the inside of the box body 1 into a first chamber 3 and a second chamber 4;
the first chamber 3 is connected with a waterproof joint 7 which is used as an optical cable inlet; for example, a joint, 31, is provided on the first chamber 3 to mount the watertight joint 7;
an optical fiber welding device 8 is connected inside the first chamber 3, the optical fiber welding device 8 comprises a plurality of slots 81 for accommodating the heat shrinkable tube 16, and a space for placing a coarse wavelength division multiplexer single device (CWDM single device) 17 is formed between the optical fiber welding device 8 and the partition plate 2;
a plurality of rows of cable trough groups 41 are arranged on the second chamber 4, a sealing strip is arranged between two adjacent rows of cable trough groups 41, each row of cable trough group 41 comprises a plurality of branch cable troughs 411, and the branch cable troughs 411 are used for penetrating optical cable branches;
the first chamber 3 is connected with a first sealing cover 5, the first sealing cover 5 is used for sealing the first chamber 3, the second chamber 4 is connected with a second sealing cover 6, and the second sealing cover 6 is used for sealing the second chamber 4.
The structure divides the box body 1 into two independent chambers through the partition board 2, namely a first chamber 3 and a second chamber 4, the first chamber 3 is used for accommodating all parts of a multiplexer/demultiplexer, such as a heat shrinkable tube 16, a coarse wavelength division multiplexer single device (CWDM single device) 17 and the like, so as to realize the characteristic of wavelength division multiplexing, the second chamber 4 is used for leading out and branching an optical cable, and the first chamber 3 and the second chamber 4 are independently arranged, so that the management of wavelength division multiplexing and branching optical cable leading-out can be respectively carried out in independent spaces, the mutual interference between the wavelength division multiplexing and the branching optical cable leading-out can be effectively avoided, and the stability of respective working environments is ensured; in addition, through first closing cap and second closing cap to and set up the sealing strip between two adjacent rows of cable groove groups, can effectively improve the leakproofness of first cavity 3 and second cavity 4, thereby promoted the barrier propterty of dust proof box, also more do benefit to the stability of guaranteeing box body internal working environment.
In addition, each part of the combiner-splitter is arranged in the first chamber 3, and each part (the heat-shrinkable tube 16, the CWDM single device, the optical fiber and the like) of the combiner-splitter is respectively arranged at the corresponding position, so that the situation that the traditional dust-proof box directly places the finished product of the combiner-splitter is avoided, the use space is saved, and the cost of the finished product of the combiner-splitter is saved; and each component of the multiplexer/demultiplexer is respectively arranged at a corresponding proper position, so that the wavelength division multiplexing operation is facilitated, and the operation efficiency is improved.
The heat shrinkable tube 16 is used to realize a fiber fusion splicing function.
In one embodiment, a gap groove is formed between two adjacent rows of cable groove sets 41, and a sealing groove is formed at the bottom of the gap groove and connected with a sealing strip.
In one embodiment, a plurality of arc-shaped fiber winding plates 9 are further connected in the second chamber 4 for redundant storage and fiber winding management of optical fibers required for wavelength division multiplexing in the first chamber 3.
In one embodiment, the radius of curvature of the arc around the fiber plate 9 is not less than 30mm to avoid insertion loss and prevent fiber damage.
In one embodiment, the length of the slot 81 is less than the length of the heat shrinkable tubing 16 to facilitate placement and access of the heat shrinkable tubing 16.
In one embodiment, a first sealing groove 32 is disposed on a contact surface of the first chamber 3 and the first cover 5, a second sealing groove 42 is disposed on a contact surface of the second chamber 4 and the second cover 6, and sealing strips are connected to the first sealing groove 32 and the second sealing groove 42 to improve sealing performance.
In one embodiment, a third sealing groove 211 is formed at the bottom of the receiving groove 21, and a sealing strip is connected to the third sealing groove 211.
In one embodiment, as shown in fig. 2 and 6, one end of the second cover 6 is hinged to the case 1, the other end is provided with a first slot 61, the case 1 is provided with a second slot 10, and the first slot 61 and the second slot 10 are connected by a latch 11, as shown in fig. 7, the latch 11 comprises a latch 111 and a latch ring 112 which are hinged to each other, the latch 111 is latched in the first slot 61, and the latch ring 112 is latched in the second slot 10. This buckle connection structure can guarantee the complete closure of box body 1 and second closing cap 6, has promoted leakproofness and protecting effect. In addition, the second cover 6 is hinged with the box body 1, so that the second cover 6 can be freely opened and closed, and the operation is convenient.
In one embodiment, the first chamber 3 and the first cover 5 are connected by a countersunk screw 12, as shown in fig. 4 and 5, the first chamber 3 is provided with a first mounting hole 33, the first cover 5 is provided with a second mounting hole 51, the countersunk screw 12 simultaneously passes through the first mounting hole 33 and the second mounting hole 51, and the second mounting hole 51 is a countersunk hole, so that the countersunk screw 12 is completely located in the countersunk hole, thereby enhancing the aesthetic appearance. The structure adopts a connection mode through screws, so that the connection reliability can be effectively ensured, the first sealing cover 5 can be prevented from being easily opened, and a safe working space is provided for the first chamber 3.
Specifically, as shown in fig. 4 and 5, first mounting holes 33 may be disposed at four corners of the first chamber 3, second mounting holes 51 may be disposed at four corners of the first cover 5, and one first mounting hole 33 and the corresponding second mounting hole 51 may be in a group, and each group may be connected by a countersunk head screw 12, so as to better ensure the mounting reliability.
In one embodiment, as shown in fig. 9, the countersunk-head screw 12 includes a cap body 121 and a threaded rod 123, one end of the cap body 121 is connected to the threaded rod 123, and the other end is provided with a plurality of hexagonal holes 122 to match with a special disassembling tool, so that the countersunk-head screw 12 needs a special disassembling tool to be screwed out to disassemble the first sealing cap 5, thereby improving the safety in use.
In one embodiment, the first chamber 3 and the second chamber 4 are provided with back plate mounting holes 13 for connecting with a back plate 15 through bolts, and the back plate 15 is used for fixing with a base station tower.
In one embodiment, the dustproof circular plate 14 is detachably connected to the back plate mounting hole 13 to perform a sealing function, and when the back plate 15 needs to be connected, the dustproof circular plate 14 can be removed.
When the 5G front-end outdoor dustproof box of the embodiment is used, as shown in fig. 8, the optical cable adapter 18 is installed on the accommodating groove 21 of the first chamber 3, the heat shrinkable tubes 16 are placed in the slots 81 of the optical fiber fusion splicing device 8, two heat shrinkable tubes 16 can be placed in each slot 81, then 12 coarse wavelength division multiplexer single devices 17 with different wave bands are placed on one side of the optical fiber fusion splicing device 8 close to the direction of the optical cable adapter 18, and the fiber cores, tail fibers and the like of the required optical fibers of the wavelength division device can be wound on the arc-shaped fiber winding plate 9; the optical cable to be branched penetrates through the waterproof joint 7, then the optical cable is divided into a plurality of optical cable branches, each optical cable branch is led out from a corresponding branch cable slot 411 of the second chamber 4, and one optical cable branch penetrates through one branch cable slot 411; the box body is connected with the back plate 15 through bolts, the back plate 15 is fixed on the base station tower, and finally the first sealing cover 5 and the second sealing cover 6 are closed to seal the whole box body 1.
When the single device 17 of the coarse wavelength division multiplexer is installed, the strong double faced adhesive tape can be used for pasting the single device 17 of the coarse wavelength division multiplexer at the bottom of the box body, so that the single device is completely fixed, and the single device is prevented from being damaged due to collision.
The outdoor dustproof case of 5G fronthaul of this embodiment has effectively promoted its barrier propterty and internal work environment's stability, wholly has higher IP protection level.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A5G front-end outdoor dustproof box is characterized by comprising a box body, wherein a partition plate is connected inside the box body, a containing groove used for containing an optical cable adapter is formed in the partition plate, the partition plate divides the interior of the box body into a first cavity and a second cavity, a waterproof joint is connected on the first cavity, an optical fiber fusion device is connected inside the first cavity and comprises a plurality of slots used for containing a heat shrinkable tube, a space used for containing a single component of a coarse wavelength division multiplexer is formed between the optical fiber fusion device and the partition plate, a plurality of rows of cable groove groups are arranged on the second cavity, a sealing strip is arranged between every two adjacent cable groove groups, each row of cable groove groups comprises a plurality of branch cable grooves used for penetrating optical cable branches, a first sealing cover is connected on the first cavity and used for sealing the first cavity, and a second sealing cover is connected to the second chamber and used for sealing the second chamber.
2. The 5G forward-conveying outdoor dust-proof box of claim 1, wherein a plurality of arc-shaped fiber winding plates are connected in the second chamber.
3. The 5G forward-conveying outdoor dust bin of claim 2, wherein the radius of curvature of the arc-shaped fiber-wound plate is not less than 30 mm.
4. The 5G forward-conveying outdoor dustproof box of claim 1, wherein a first sealing groove is formed in a contact surface of the first chamber and the first sealing cover, a second sealing groove is formed in a contact surface of the second chamber and the second sealing cover, and the sealing strips are connected in the first sealing groove and the second sealing groove.
5. The 5G forward-conveying outdoor dustproof box of claim 1, wherein a third sealing groove is formed at the bottom of the accommodating groove, and the sealing strip is also connected in the third sealing groove.
6. The 5G front-end outdoor dustproof box of claim 1, wherein one end of the second cover is hinged to the box body, the other end of the second cover is provided with a first slot, the box body is provided with a second slot, the first slot and the second slot are connected through a fastener, the fastener comprises a fastener body and a fastener ring which are hinged, the fastener body is buckled in the first slot, and the fastener ring is buckled in the second slot.
7. The 5G front-end outdoor dustproof box according to claim 1, wherein the first chamber and the first cover are connected by a countersunk screw, the first chamber is provided with a first mounting hole, the first cover is provided with a second mounting hole, the countersunk screw simultaneously penetrates through the first mounting hole and the second mounting hole, and the second mounting hole is a countersunk hole.
8. The 5G forward-conveying outdoor dustproof box according to claim 7, wherein the countersunk head screw comprises a cap body and a screw rod, one end of the cap body is connected with the screw rod, and the other end of the cap body is provided with a plurality of hexagonal holes.
9. The 5G forward-conveying outdoor dustproof box of claim 1, wherein the first chamber and the second chamber are provided with back plate mounting holes.
10. The 5G forward-pass outdoor dust bin of claim 9, wherein a dust-proof circular plate is detachably attached in the back plate mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330604.4A CN112305693A (en) | 2020-11-24 | 2020-11-24 | Outdoor dustproof case of 5G fronthaul |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011330604.4A CN112305693A (en) | 2020-11-24 | 2020-11-24 | Outdoor dustproof case of 5G fronthaul |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112305693A true CN112305693A (en) | 2021-02-02 |
Family
ID=74335540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011330604.4A Pending CN112305693A (en) | 2020-11-24 | 2020-11-24 | Outdoor dustproof case of 5G fronthaul |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112305693A (en) |
-
2020
- 2020-11-24 CN CN202011330604.4A patent/CN112305693A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220905 Address after: 215000 88 Hengtong Road, seven Du Town, Wujiang District, Suzhou, Jiangsu Applicant after: HENGTONG OPTIC-ELECTRIC Co.,Ltd. Address before: 215200 No. 168 Jiaotong North Road, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Applicant before: JIANGSU HENGTONG OPTICAL NETWORK TECHNOLOGY Co.,Ltd. Applicant before: HENGTONG OPTIC-ELECTRIC Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20230927 Address after: 215000 88 Hengtong Road, seven Du Town, Wujiang District, Suzhou, Jiangsu Applicant after: HENGTONG OPTIC-ELECTRIC Co.,Ltd. Applicant after: JIANGSU HENGTONG PHOTOCONDUCTIVE NEW MATERIALS Co.,Ltd. Address before: 215000 88 Hengtong Road, seven Du Town, Wujiang District, Suzhou, Jiangsu Applicant before: HENGTONG OPTIC-ELECTRIC Co.,Ltd. |