CN114217401A - A quick wiring arrangement for three networks fuses optic fibre - Google Patents
A quick wiring arrangement for three networks fuses optic fibre Download PDFInfo
- Publication number
- CN114217401A CN114217401A CN202111588931.4A CN202111588931A CN114217401A CN 114217401 A CN114217401 A CN 114217401A CN 202111588931 A CN202111588931 A CN 202111588931A CN 114217401 A CN114217401 A CN 114217401A
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- CN
- China
- Prior art keywords
- wiring
- plate
- box
- optical fiber
- box body
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- 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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- 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
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
-
- 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
- G02B6/24—Coupling light guides
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2553—Splicing machines, e.g. optical fibre fusion splicer
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
Abstract
The invention provides a quick wiring device for a three-network fusion optical fiber, which comprises a box body assembly, a cooling fan, cooling holes, a baffle plate, a sealing plate assembly, a cable connection terminal disc, a welding disc, a partition plate and a heat collecting plate, wherein the box body assembly is provided with the cooling fan; according to the invention, the box body assembly is arranged, the partition plate divides the wiring box into two independent spaces, optical fibers are wired on one side of the fusion splice tray, and meanwhile, the optical fibers are fixed through the sealing plate assembly, so that the optical fibers are conveniently and rapidly wired, and the installation efficiency of the optical fibers is improved; the setting of collection static board, ground connection post, ground connection dish and connecting wire, collection static board is collected the static that wiring case inside produced, and the connecting wire conducts the static of collection static board to the ground connection dish on, makes the static conduction of wiring incasement to the ground connection net underground, avoids static to cause the harm to electrical components and cable in the wiring case, guarantees wiring case normal operating.
Description
Technical Field
The invention belongs to the technical field of three-network fusion optical fibers, and particularly relates to a quick wiring device for three-network fusion optical fibers.
Background
With the development of smart power grids, the concept of three-network integration is proposed, in order to improve the quality of voice communication lines, cable television lines and data network communication lines and reduce the consumption of copper materials, the fiber to the home is being implemented and constructed on a large scale, and the aim is to realize all functions of the current telephone network, cable television network and internet access by using optical fibers, but the optical fibers are inconvenient to wire in the prior art, the optical fibers are not beneficial to quick wire arrangement, and the installation efficiency of the optical fibers is reduced.
The problem that the optical fiber is inconvenient to wire, the optical fiber is not convenient to wire quickly, and the installation efficiency of the optical fiber is reduced in the prior art.
Therefore, it is necessary to develop a fast wiring device for the tri-network fusion optical fiber.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a fast wiring device for a triple play optical fiber, so as to solve the problems that the optical fiber is not convenient to be wired, the fast wiring of the optical fiber is not facilitated, and the installation efficiency of the optical fiber is reduced in the prior art. A quick wiring device for a three-network fusion optical fiber comprises a box body assembly, a cooling fan, cooling holes, a baffle plate, a sealing plate assembly, a cable wiring terminal disc, a welding disc, a partition plate and a heat collecting plate, wherein the partition plate is arranged in the middle of the interior of the box body assembly in the vertical direction; the heat radiation fans are arranged on two sides above the box body assembly; the heat dissipation holes are multiple and are formed below two sides of the box body assembly; the number of the baffles is multiple, and the baffles are arranged above the heat dissipation holes; the cable connection terminal discs are arranged on one side of the interior of the box body component; the welding discs are arranged on the other side of the interior of the box body assembly; the sealing plate assembly is arranged above one side of the box body assembly close to the fusion splice tray; the heat collecting plates are multiple and are embedded on two sides of the partition plate;
the box body assembly comprises a wiring box, a through hole, an electrostatic collecting plate, a grounding column, a grounding disc and a connecting wire, wherein the through hole is formed above one side of the wiring box, which is close to the welding disc; the electrostatic collecting plate is arranged above the inside of the wiring box; the grounding disc is arranged below the inner part of the wiring box and is connected with the electrostatic collecting plate through a connecting wire; the grounding column is arranged in the middle of the front side of the grounding plate.
Preferably, the sealing plate assembly comprises a mounting plate, a sealing plunger, an optical fiber wire passing hole and a sealing ring, and the mounting plate is mounted on the outer side of the through hole; the optical fiber wire passing hole is formed in the middle of the outer side of the mounting plate; the sealing ring is arranged on the inner side of the optical fiber threading hole; the tail end of the sealing plunger is clamped in the sealing ring.
Preferably, the heat radiation fan is connected with the mains supply through a wire; the louvre symmetry sets up, and the louvre equidistant setting, and the degree of depth of this louvre equals the wall thickness of wiring case, and wherein the inside of louvre is provided with the dust screen that prevents impurity such as dust and get into the wiring case.
Preferably, the number of the baffles and the number of the heat dissipation holes are the same, the baffles and the heat dissipation holes correspond to each other one by one, and one end of each baffle, which is far away from the wiring box, is inclined downwards; the cable wiring terminal disc is used for wiring cables; the size of the partition plate is matched with that of the wiring box; the heat collecting plates are uniformly distributed on two sides of the partition plate and are used for collecting heat generated in the wiring box.
Preferably, the front side of the wiring box is arranged in an open manner, the front side of the wiring box is provided with a box door, a sealing ring is arranged at the joint of the wiring box and the box door, and the wiring box is of a hollow structure; the depth of the through hole is equal to the wall thickness of the wiring box.
Preferably, the static electricity collecting plate is used for collecting static electricity generated in the wiring box; a fixing nut is arranged on the outer side of the grounding post; the grounding disc is connected with an underground grounding grid through a cable; the connecting wire is used for conducting the static electricity of the static collecting plate to the grounding plate.
Preferably, the mounting plate is aligned with the through hole, and the size of the mounting plate is matched with that of the through hole; the size of the tail end of the sealing plunger is matched with that of the optical fiber threading hole; the optical fiber wire passing hole is of a cylindrical structure, the depth of the optical fiber wire passing hole is equal to the thickness of the mounting plate, and the optical fiber wire passing hole is used for enabling optical fibers to enter the wiring box; the size of the sealing ring is matched with that of the optical fiber threading hole, and the sealing ring is used for sealing a gap between the optical fiber threading hole and an optical fiber.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the box body assembly, the wiring box is divided into two independent spaces by the partition plate, optical fibers are arranged on one side of the fusion splice tray, and meanwhile, the optical fibers are fixed through the sealing plate assembly, so that the optical fibers can be quickly arranged, and the installation efficiency of the optical fibers is improved.
2. When the sealing plate assembly is arranged, the sealing plunger is detached when the sealing plate assembly is used, the optical fiber extends into the wiring box through the optical fiber wire passing hole, and meanwhile, the sealing ring seals a gap between the optical fiber wire passing hole and the optical fiber, so that the stability of optical fiber installation is improved, impurities such as dust and the like are prevented from entering the wiring box through the optical fiber wire passing hole, and the cleanliness of the inside of the wiring box is ensured.
3. According to the arrangement of the electrostatic collecting plate, the grounding column, the grounding disc and the connecting wire, the electrostatic collecting plate collects static electricity generated inside the wiring box, and the connecting wire conducts the static electricity of the electrostatic collecting plate to the grounding disc, so that the static electricity in the wiring box is conducted to the underground grounding network, electric elements and cables in the wiring box are prevented from being damaged by the static electricity, and the normal operation of the wiring box is ensured.
4. According to the arrangement of the heat collecting plate, the heat collecting plate collects heat generated in the wiring box, and the heat collecting plate is matched with the radiating fan and the radiating holes, so that the heat can be radiated in time, the radiating effect of the wiring box is ensured, and the service life of the wiring device is prolonged.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the case assembly of the present invention.
Fig. 3 is a schematic structural view of another perspective of the case assembly of the present invention.
Figure 4 is a schematic view of the closure plate assembly of the present invention.
FIG. 5 is a schematic view of the structure of the mounting plate, the optical fiber passing hole and the sealing ring of the present invention.
Fig. 6 is a schematic structural diagram of the stopper rod of the present invention.
In the figure:
1-box body assembly, 11-wiring box, 12-through hole, 13-electrostatic collecting plate, 14-grounding column, 15-grounding disc, 16-connecting line, 2-cooling fan, 3-cooling hole, 4-baffle, 5-closing plate assembly, 51-mounting plate, 52-sealing plunger, 53-optical fiber through hole, 54-sealing ring, 6-cable connecting terminal disc, 7-welding disc, 8-partition plate and 9-heat collecting plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 6
The invention provides a quick wiring device for a three-network fusion optical fiber, which comprises a box body component 1, a cooling fan 2, a cooling hole 3, a baffle 4, a sealing plate component 5, a cable connection terminal disc 6, a fusion welding disc 7, a partition plate 8 and a heat collecting plate 9, wherein the partition plate 8 is arranged in the middle of the box body component 1 in the vertical direction; the heat radiation fans 2 are arranged at two sides above the box body component 1; a plurality of heat dissipation holes 3 are adopted, and the heat dissipation holes 3 are formed below two sides of the box body assembly 1; a plurality of baffles 4 are adopted, and the baffles 4 are arranged above the heat dissipation holes 3; a plurality of cable wiring terminal discs 6 are adopted, and the cable wiring terminal discs 6 are arranged on one side in the box body component 1; a plurality of welding discs 7 are adopted, and the welding discs 7 are arranged on the other side in the box body assembly 1; the closing plate component 5 is arranged above one side of the box body component 1 close to the fusion tray 7; a plurality of heat collecting plates 9 are adopted, and the heat collecting plates 9 are embedded on two sides of the partition plate 8; the heat radiation fan 2 is connected with commercial power through a wire; the heat dissipation holes 3 are symmetrically arranged, the heat dissipation holes 3 are arranged at equal intervals, the depth of each heat dissipation hole 3 is equal to the wall thickness of the wiring box 11, and a dust screen for preventing impurities such as dust from entering the wiring box 11 is arranged inside each heat dissipation hole 3; the number of the baffles 4 is the same as that of the heat dissipation holes 3, the baffles 4 correspond to the heat dissipation holes 3 one by one, and one end of each baffle 4, which is far away from the wiring box 11, is inclined downwards; the cable wiring terminal plate 6 is used for wiring cables; the size of the partition plate 8 is matched with that of the wiring box 11; the heat collecting plates 9 are uniformly distributed on both sides of the partition plate 8, and the heat collecting plates 9 are used for collecting heat generated in the wiring box 11; the heat collecting plate 9 collects heat generated in the wiring box 11, and the heat collecting plate is matched with the heat radiating fan 2 and the heat radiating holes 3 to facilitate timely heat radiation, so that the heat radiating effect of the wiring box 11 is ensured, and the service life of the wiring device is prolonged.
In this embodiment, the box assembly 1 includes a wiring box 11, a through hole 12, an electrostatic collecting plate 13, a grounding column 14, a grounding plate 15 and a connecting wire 16, wherein the through hole 12 is formed above one side of the wiring box 11 close to the fusion plate 7; the electrostatic collecting plate 13 is installed above the wiring box 11; the grounding disc 15 is arranged below the inside of the wiring box 11, and the grounding disc 15 is connected with the electrostatic collecting plate 13 through a connecting wire 16; the grounding post 14 is arranged in the middle of the front side of the grounding plate 15; the front side of the wiring box 11 is arranged in an open manner, the front side of the wiring box 11 is provided with a box door, a sealing ring is arranged at the joint of the wiring box 11 and the box door, and the wiring box 11 is of a hollow structure; the depth of the through hole 12 is equal to the wall thickness of the wiring box 11; the electrostatic collecting plate 13 is used for collecting static electricity generated inside the wiring box 11; a fixing nut is arranged on the outer side of the grounding post 14; the grounding disc 15 is connected with an underground grounding grid through a cable; the connecting wire 16 is used for conducting the static electricity of the static electricity collecting plate 13 to the grounding plate 15; the partition plate 8 divides the wiring box 11 into two independent spaces, optical fibers are wired on one side of the fusion splice tray 7, and are fixed through the sealing plate assembly 5, so that the optical fibers can be quickly wired, and the installation efficiency of the optical fibers is improved; the static board 13 collects the static that wiring case 11 inside produced, and connecting wire 16 conducts the static of static board 13 to ground connection dish 15 on, makes the static conduction in the wiring case 11 to the ground connection net underground, avoids static to cause the harm to electrical components and cable in the wiring case 11, guarantees wiring case 11 normal operating.
In this embodiment, the closing plate assembly 5 includes a mounting plate 51, a sealing plunger 52, an optical fiber wire passing hole 53 and a sealing ring 54, wherein the mounting plate 51 is mounted on the outer side of the through hole 12; the optical fiber wire passing hole 53 is arranged in the middle of the outer side of the mounting plate 51; the sealing ring 54 is installed inside the optical fiber passing hole 53; the end of the sealing plunger 52 is clamped inside the sealing ring 54; the mounting plate 51 is aligned with the through-hole 12, and the size of the mounting plate 51 matches the size of the through-hole 12; the size of the end of the sealing plunger 52 is matched with that of the optical fiber threading hole 53; the optical fiber wire passing hole 53 is of a cylindrical structure, the depth of the optical fiber wire passing hole 53 is equal to the thickness of the mounting plate 51, and the optical fiber wire passing hole 53 is used for enabling optical fibers to enter the wiring box 11; the size of the sealing ring 54 is matched with that of the optical fiber passing hole 53, and the sealing ring 54 is used for sealing a gap between the optical fiber passing hole 53 and the optical fiber; during the use, lift off and seal plunger 52, cross the line hole 53 with optic fibre and stretch into wiring box 11 in, sealing ring 54 seals the gap between line hole 53 and the optic fibre to optic fibre simultaneously, improves the stability of optic fibre installation, avoids impurity such as dust to cross the line hole 53 through optic fibre simultaneously and gets into wiring box 11 in, guarantees the cleanliness in wiring box 11.
Principle of operation
When the optical fiber splicing device is used, the wiring box 11 is divided into two independent spaces by the partition plate 8, optical fibers are wired on one side of the fusion splice tray 7, and meanwhile, the optical fibers are fixed through the sealing plate assembly 5, so that the optical fibers are quickly wired, and the installation efficiency of the optical fibers is improved; the static collecting plate 13 collects the static generated in the wiring box 11, the connecting wire 16 conducts the static of the static collecting plate 13 to the grounding plate 15, so that the static in the wiring box 11 is conducted to the underground grounding network, the damage of the static to the electric appliance elements and cables in the wiring box 11 is avoided, the normal operation of the wiring box 11 is ensured, the sealing plunger 52 is detached, the optical fiber is extended into the wiring box 11 through the optical fiber passing hole 53, meanwhile, the sealing ring 54 seals the gap between the optical fiber threading hole 53 and the optical fiber, so that the stability of optical fiber installation is improved, simultaneously avoid impurity such as dust to cross the line hole 53 through optic fibre and get into in the wiring case 11, guarantee the cleanliness in the wiring case 11, the heat that produces in the wiring case 11 is collected to thermal-arrest board 9, and cooperation radiator fan 2 and louvre 3 are convenient for in time carry out thermal heat dissipation, guarantee the radiating effect of wiring case 11, improve wiring device's life.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (7)
1. The utility model provides a quick wiring device for three networks fuses optic fibre which characterized in that: the box body assembly comprises a box body assembly (1), a cooling fan (2), cooling holes (3), a baffle (4), a sealing plate assembly (5), a cable wiring terminal plate (6), a welding plate (7), a partition plate (8) and a heat collecting plate (9), wherein the partition plate (8) is arranged in the middle of the interior of the box body assembly (1) in the vertical direction; the heat radiation fans (2) are arranged on two sides above the box body component (1); the number of the heat dissipation holes (3) is multiple, and the heat dissipation holes (3) are formed below two sides of the box body assembly (1); the number of the baffles (4) is multiple, and the baffles (4) are arranged above the heat dissipation holes (3); a plurality of cable wiring terminal discs (6) are adopted, and the cable wiring terminal discs (6) are arranged on one side in the box body assembly (1); the welding discs (7) are multiple, and the welding discs (7) are arranged on the other side of the interior of the box body assembly (1); the sealing plate assembly (5) is arranged above one side of the box body assembly (1) close to the fusion welding disc (7); the heat collecting plates (9) are multiple, and the heat collecting plates (9) are embedded on two sides of the partition plate (8);
the box body assembly (1) comprises a wiring box (11), through holes (12), an electrostatic collecting plate (13), a grounding column (14), a grounding disc (15) and a connecting line (16), wherein the through holes (12) are formed above one side, close to the welding disc (7), of the wiring box (11); the electrostatic collecting plate (13) is arranged above the inside of the wiring box (11); the grounding disc (15) is arranged below the inside of the wiring box (11), and the grounding disc (15) is connected with the electrostatic collecting plate (13) through a connecting wire (16); the grounding post (14) is arranged in the middle of the front side of the grounding plate (15).
2. The fast routing apparatus for a tri-network fusion fiber as recited in claim 1, wherein: the sealing plate assembly (5) comprises a mounting plate (51), a sealing plunger (52), an optical fiber wire passing hole (53) and a sealing ring (54), wherein the mounting plate (51) is mounted on the outer side of the through hole (12); the optical fiber wire passing hole (53) is formed in the middle of the outer side of the mounting plate (51); the sealing ring (54) is arranged on the inner side of the optical fiber threading hole (53); the tail end of the sealing plunger (52) is clamped inside the sealing ring (54).
3. The fast routing apparatus for a tri-network fusion fiber as recited in claim 1, wherein: the heat radiation fan (2) is connected with a mains supply through a wire; louvre (3) symmetry sets up, and louvre (3) equidistant setting, and the degree of depth of this louvre (3) equals the wall thickness of wiring case (11), and wherein the inside of louvre (3) is provided with the dust screen that prevents impurity such as dust and get into wiring case (11).
4. The fast routing apparatus for a tri-network fusion fiber as recited in claim 1, wherein: the number of the baffles (4) is the same as that of the heat dissipation holes (3), the baffles (4) correspond to the heat dissipation holes (3) one by one, and one end of each baffle (4) departing from the wiring box (11) is inclined downwards; the cable wiring terminal plate (6) is used for wiring cables; the size of the partition plate (8) is matched with that of the wiring box (11); the heat collecting plates (9) are uniformly distributed on two sides of the partition plate (8), and the heat collecting plates (9) are used for collecting heat generated in the wiring box (11).
5. The fast routing apparatus for a tri-network fusion fiber as recited in claim 1, wherein: the front side of the wiring box (11) is arranged in an open manner, the front side of the wiring box (11) is provided with a box door, a sealing ring is arranged at the joint of the wiring box (11) and the box door, and the wiring box (11) is of a hollow structure; the depth of the through hole (12) is equal to the wall thickness of the wiring box (11).
6. The fast routing apparatus for a tri-network fusion fiber as recited in claim 1, wherein: the electrostatic collecting plate (13) is used for collecting static electricity generated in the wiring box (11); a fixing nut is arranged on the outer side of the grounding post (14); the grounding disc (15) is connected with an underground grounding grid through a cable; the connecting wire (16) is used for conducting static electricity of the static electricity collecting plate (13) to the grounding plate (15).
7. The fast routing apparatus for a tri-network fusion fiber according to claim 2, wherein: the mounting plate (51) is aligned with the through hole (12), and the size of the mounting plate (51) is matched with that of the through hole (12); the size of the tail end of the sealing plunger (52) is matched with that of the optical fiber threading hole (53); the optical fiber wire passing hole (53) is of a cylindrical structure, the depth of the optical fiber wire passing hole (53) is equal to the thickness of the mounting plate (51), and the optical fiber wire passing hole (53) is used for enabling optical fibers to enter the wiring box (11); the size of the sealing ring (54) is matched with that of the optical fiber threading hole (53), and the sealing ring (54) is used for sealing a gap between the optical fiber threading hole (53) and an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111588931.4A CN114217401A (en) | 2021-12-23 | 2021-12-23 | A quick wiring arrangement for three networks fuses optic fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111588931.4A CN114217401A (en) | 2021-12-23 | 2021-12-23 | A quick wiring arrangement for three networks fuses optic fibre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114217401A true CN114217401A (en) | 2022-03-22 |
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ID=80705285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111588931.4A Pending CN114217401A (en) | 2021-12-23 | 2021-12-23 | A quick wiring arrangement for three networks fuses optic fibre |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114217401A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115437087A (en) * | 2022-08-11 | 2022-12-06 | 湖南和为通信有限公司 | Four-in-one optical cable fiber distribution box for communication equipment |
| CN115437087B (en) * | 2022-08-11 | 2024-04-30 | 湖南和为通信有限公司 | Four-in-one optical cable fiber distribution box for communication equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070192817A1 (en) * | 2006-02-13 | 2007-08-16 | Landry Edward T | Fiber distribution hub with outside accessible grounding terminals |
| CN204166172U (en) * | 2014-10-21 | 2015-02-18 | 深圳市华晨通信技术有限公司 | Large Copacity integration of three networks fiber-dividing box |
| CN211831608U (en) * | 2019-12-25 | 2020-10-30 | 山西传媒学院 | Anti-static electrical cabinet |
| CN112285852A (en) * | 2020-09-30 | 2021-01-29 | 广东广晟通信技术有限公司 | Optical cable fiber distribution box for communication equipment |
| CN214014880U (en) * | 2021-01-12 | 2021-08-20 | 沈阳边缘智能科技有限公司 | Intelligent container machine room |
-
2021
- 2021-12-23 CN CN202111588931.4A patent/CN114217401A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070192817A1 (en) * | 2006-02-13 | 2007-08-16 | Landry Edward T | Fiber distribution hub with outside accessible grounding terminals |
| CN204166172U (en) * | 2014-10-21 | 2015-02-18 | 深圳市华晨通信技术有限公司 | Large Copacity integration of three networks fiber-dividing box |
| CN211831608U (en) * | 2019-12-25 | 2020-10-30 | 山西传媒学院 | Anti-static electrical cabinet |
| CN112285852A (en) * | 2020-09-30 | 2021-01-29 | 广东广晟通信技术有限公司 | Optical cable fiber distribution box for communication equipment |
| CN214014880U (en) * | 2021-01-12 | 2021-08-20 | 沈阳边缘智能科技有限公司 | Intelligent container machine room |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115437087A (en) * | 2022-08-11 | 2022-12-06 | 湖南和为通信有限公司 | Four-in-one optical cable fiber distribution box for communication equipment |
| CN115437087B (en) * | 2022-08-11 | 2024-04-30 | 湖南和为通信有限公司 | Four-in-one optical cable fiber distribution box for communication equipment |
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