CN218767457U

CN218767457U - Tower installation prefabricated optical cable splicing box for power distribution communication network

Info

Publication number: CN218767457U
Application number: CN202222830773.5U
Authority: CN
Inventors: 荀思超; 沈雨生; 王海军; 徐荣; 徐兴永
Original assignee: Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Yancheng Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-28
Anticipated expiration: 2032-10-26

Abstract

The utility model provides a tower installation prefabricated optical cable connection box for distribution communication network, which comprises a box body arranged on the tower, a metal binding band welded on the rear box wall of the box body, a box door arranged on the front side of the box body, a wire feeding hole and a rubber gasket, a wire reserving hole and a plugging mechanism arranged on the bottom of the box body, a residual cable frame arranged in the box body, and a connection box arranged in the box body and reserved for the access of branch optical cables; in general, the splice closure is reserved, and the optical cable enters and exits the box body through the wire hole and is regularly coiled on the rest cable rack; when the optical cable has a tapping requirement, the branch optical cable is led into the box body through the reserved line hole, and the required fiber core tapping is completed by using the reserved splicing box. The utility model discloses can improve shaft tower space utilization, avoid the unnecessary work load that repeated butt fusion produced, reduce the light decay and consume, more adapt to distribution communication network access characteristics under the novel power system.

Description

Tower installation prefabricated optical cable splicing box for power distribution communication network

Technical Field

The utility model belongs to distribution network communication field relates to an optical cable connection box, especially relates to a prefabricated formula optical cable connection box of shaft tower installation for distribution communication network.

Background

With the access of a large number of new energy services such as distributed photovoltaic services to a power grid, a plurality of photovoltaic stations are usually accessed on the same line, and the number of access points of a power distribution communication network is increased rapidly. When the conventional power communication optical cable is subjected to tapping construction, a mode of re-welding the optical cable after being completely disconnected is adopted, namely: the optical cable of the upstream communication equipment is completely cut off in the rear of the joint box, a part of the fiber core of the optical cable required is taken out to be welded with the corresponding fiber core of the branch optical cable, and the other part of the optical fiber is welded with the optical cable of the downstream communication equipment. For the optical transmission efficiency, in the mode of completely disconnecting and welding the optical cables, each optical intersection point generates connection loss, unnecessary optical cable tapping increases link loss, and the transmission quality of the whole optical communication network is influenced; from the construction angle, the mode construction cost that all optical cables all need the butt fusion again is high, time limit for a project is long, the efficiency of construction is low, and optical cable fibre core butt fusion needs accurate correspondence, and the construction risk is high, and the construction degree of difficulty is big.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to prior art's above-mentioned defect, provide a distribution communication network demand under the novel electric power system of adaptation, reduce the optic fibre link loss, save occupation of land space, and be convenient for construction and fortune dimension be used for distribution communication network's prefabricated formula optical cable connection box of shaft tower installation.

The technical scheme of the utility model as follows: the utility model provides a prefabricated formula optical cable connection box of shaft tower installation for distribution communication network, including installing the box on the shaft tower, the metal bandage of tank wall behind the box welds, sets up at the positive chamber door of box, sets up at the walking line hole and rubber packing ring, preformed hole and the shutoff mechanism of bottom half, sets up the surplus cable frame in the box, sets up the connection box of reserving for the branch optical cable inserts in the box.

Preferably, two metal binding bands are welded on the rear box wall of the box body, and the box body is fixed on the tower through the metal binding bands. The metal bandage is installed from top to bottom on the box wall behind the box, fixes with the characteristics that the thin bottom in wire pole top is thick, can realize the stable installation of box.

Preferably, the optical cable splicing box further comprises a reserved line hole and a plugging mechanism, the reserved line hole is formed in the center of the bottom of the box body, and more than one box screw hole is formed in the outer ring of the reserved line hole.

Preferably, the plugging mechanism comprises a baffle and a fixing ring arranged on the side face of the baffle, plate screw holes are formed in the fixing ring, and the number of the plate screw holes corresponds to that of the box screw holes.

Preferably, the optical cable connection box further comprises two wiring holes and two rubber gaskets, the two wiring holes are respectively formed in two sides of the reserved wiring hole in the bottom of the box body, and the rubber gaskets are clamped in inner rings of the wiring holes.

Preferably, the box screw holes are uniformly formed in the outer ring of the wiring hole, and the box screw holes correspond to the plate screw holes one to one.

Preferably, the outer side of the fixing ring is fixedly connected with the inner side of the baffle, and the thickness of the baffle is the same as that of the bottom wall of the box body.

Preferably, the optical cable passes through the rubber gasket and enters and exits the box body through the wiring hole after being sealed.

Preferably, the reserved line hole is reserved for a branch optical cable, when tapping is needed, the plugging mechanism is removed, the rubber gasket is clamped in the inner ring of the reserved line hole, and the branch optical cable enters the box body from the reserved line hole to be connected.

Preferably, the residual cable rack and the splice box are installed in the box body from top to bottom, the optical cable enters the box body from one wire hole, and is led out from the other wire hole after being coiled and fixed by the residual cable rack; in general, the splice closure is reserved, when a branch optical cable needs to be accessed, the optical cable of the main line and the branch optical cable cut off and fuse the required fiber cores in the splice closure, and the fiber cores which do not need to be tapped keep straight.

Preferably, the box body and the box door are made of stainless steel materials.

Preferably, the residual cable frame is composed of two cross-shaped stainless steel flat steels and is fixed in the box body through bolts.

Preferably, the wiring hole is used for allowing the straight optical cable to enter and exit the box body, and the inner ring of the wiring hole adopts a rubber gasket to seal a gap between the wiring hole and the optical cable.

Preferably, the reserved line hole is reserved for later branch optical cable access, and a box screw hole is formed in the outer ring of the line hole; under normal conditions, the reserved line holes are plugged by using a baffle; when a branch optical cable is connected, the baffle is disassembled, the rubber gasket is clamped in the inner ring of the reserved line hole, and the branch optical cable is led into the box body from the reserved line hole to be connected.

The utility model discloses a prefabricated formula optical cable of shaft tower installation case that continues for distribution communication network has following for prior art

Has the advantages that:

(1) The optical cable splicing box of the utility model adopts the mode of pole tower installation, thus saving more occupied space; meanwhile, artificial damage, insect and mouse biting and the like can be avoided to a certain extent by high-place installation.

(2) The residual cable frame and the joint box are integrally installed in the box body, and the box body has the advantages of water resistance, dust resistance, moisture resistance, damage resistance, attractiveness, convenience in operation and maintenance and the like.

(3) The installation prefabricated optical cable splice box is more suitable for the characteristics of wide access of a distribution communication network under a novel power system. When the optical cable is erected, the optical cable with a certain length is reserved by the residual cable frame in the box body, and redundant optical cables are provided for follow-up optical fiber branch requirements. The reserved optical cables are orderly coiled on the independent residual cable frame, so that the arrangement of the optical cables in the box body is neat and attractive, and later construction and operation and maintenance are facilitated.

In addition, a joint box is reserved in the box body, when the branch optical cable has access requirements, the optical cable fiber cores to be branched and the corresponding fiber cores of the branch optical cable are welded by using the residual cables in the joint box, and the optical cable fiber cores are not required to be disconnected and then are reconnected, so that unnecessary optical cable cutting and welding are avoided, the construction workload is reduced, the construction difficulty is reduced, the construction period is shortened, and the signal attenuation generated in the optical cable connection process is substantially improved.

(4) Reserve line hole reserve the space for the branch line optical cable introduces the splicing box, reasonable in process. Meanwhile, the wire hole plugging mechanism is adopted, the sealing effect can be achieved when the cable is not used, the plugging mechanism only needs to be detached when the cable is used subsequently, and the rubber gasket is used for sealing gaps between the wire holes and the optical cable, so that rainwater, dust, sundries and the like can be prevented from entering the box body, and rodent and the like can be prevented from damaging the optical cable.

Drawings

FIG. 1 is a schematic view of the installation of the box tower of the present invention;

FIG. 2 is a schematic structural view of the case of the present invention;

FIG. 3 is a schematic view of another perspective structure of the box body of the present invention;

fig. 4 is a schematic structural view of the plugging mechanism of the present invention;

fig. 5 is a schematic diagram of the optical cable tapping of the present invention.

In the figure: 1. a pole tower; 2. an optical cable; 3. a metal strap; 4. a box body; 41. a surplus cable frame; 42. a splice closure; 43. a wiring hole; 431. a rubber gasket; 44. reserving a wire hole; 45. a plugging mechanism; 451. a baffle plate; 452. a fixed ring; 453. plate screw holes; 46. a box door; 47. a line card; 48. a box screw hole; 5. and a branch optical cable.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in fig. 1-3, the utility model discloses a prefabricated formula optical cable connection box of shaft tower installation for distribution communication network, including installing box 4 on shaft tower 1, the metal bandage 3 of tank wall behind box 4 is welded, sets up at the positive chamber door 46 of box 4, sets up at the walking wire hole 43 and rubber packing ring 431, reserve line hole 44 and the shutoff mechanism 45 of box 4 bottom, sets up the surplus cable frame 41 in box 4, sets up the splice closure 42 of reserving for branch optical cable 5 access in box 4.

Wherein, the box 4 has an inner space, and the inner space is provided with the remaining cable rack 41 and the splice box 42 from the top to the bottom. In general, the splice closure 42 is reserved, one optical cable 2 enters the enclosure 4, and actually, the service condition of the splice closure 42 and the optical cable splicing condition in the enclosure 4 are different according to different optical cable paths.

The residual cable frame 41 is fixed in the upper space in the box body 4, the optical cable 2 is wound on the residual cable frame 41 for a certain length after entering the box body 4, and the optical cable 2 is led out from the bottom of the box body 4 after being fixed.

The reserved line hole 44 is arranged at the center of the bottom of the box body 4, and more than one box screw hole 48 is arranged on the outer ring of the line hole and is uniformly distributed; as shown in fig. 4, the plugging mechanism 45 includes: the baffle 451 is circular, the baffle 451 is provided with plate screw holes 453, and the plate screw holes 453 are in one-to-one correspondence with the tank screw holes 48. The outer side surface of the fixed ring 452 is fixedly connected with the inner side surface of the baffle 451, and the thickness of the baffle 451 is the same as that of the bottom wall of the box body 4.

The two wiring holes 43 are respectively arranged at two sides of the reserved wiring hole 44, and the inner ring of the wiring hole is clamped with the rubber gasket 431 for sealing a gap between the optical cable 2 and the wiring hole 43.

The utility model discloses an optical cable connection box is the prefabricated formula equipment that is applied to distribution lines aerial optical cable, and its difference with conventional optical cable connection box is, and one of them, is applied to the prefabricated formula equipment of all distribution lines shaft towers, and the optical cable can directly break the case butt fusion at the shaft tower of breaking when having the shunting demand, need not to set up the connecting device again; secondly, the optical cable is not required to be completely disconnected during tapping, only the required fiber core is required to be cut off, and the optical cable and the branch optical cable 5 are welded in the splice closure 42, so that the straight optical fiber is not influenced; thirdly, the box body 4 is hung on the pole tower 1 by utilizing the fastening device, the space utilization rate is improved, and the box body is practical and attractive. In view of the above, the present invention is achieved by the following means.

The optical cable 2 enters the box body 4 from the wire feeding hole 43, is reserved with a certain length, and is orderly wound on the residual cable rack 41 for standby. After the optical cable 2 is fixed on the rest cable frame 41, the optical cable is led out of the box body 4 through another wire routing hole 43.

It should be noted that before the optical cable 2 enters the box 4, the two rubber gaskets 431 are respectively clamped in the inner rings of the two wire holes 43; the optical cable 2 is wound on the remaining cable frame 41 and fixed along the side wall of the box 4 by the line clamp 47.

The baffle plate 451 is generally fixed to the lower wall of the case 4 by screws from the outside of the case 4 through the case screw holes 48 and the plate screw holes 453, thereby closing the reserve line hole 44. As shown in fig. 5, when the optical cable needs to be tapped, the remaining cable is drawn out and fixed in the splice closure 42 to wait for splicing; detaching the baffle 451 at the bottom of the box body 4, clamping the rubber gasket 431 at the inner ring of the reserved line hole 44, and fixing the branch optical cable 5 from the reserved line hole 44 to the splicing box 42 along the box wall; the sheath of the optical cable 2 is stripped according to the required length, after the optical cable 2 exposes bare fibers, the fiber core to be tapped is fixed and cut off in the splice closure 42 according to the engineering requirements, and the fiber core is correspondingly welded with the branch optical cable 5 and sleeved with the protection tube, so that the tapping of the optical cable can be completed under the condition of not influencing other fiber cores, the unnecessary breaking and splicing of the optical cable are avoided, the attenuation of the optical fiber is reduced, and the construction period is shortened.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, which is to be construed as being limited to the accompanying drawings and claims.

Claims

1. The utility model provides a prefabricated formula optical cable splice box of shaft tower installation for distribution communication network, is including installing box (4) on shaft tower (1), its characterized in that: the back of the box body (4) is welded with a metal binding belt (3), and the box body (4) is fixed on the tower (1) through the metal binding belt (3);

the optical cable junction box further comprises a box door (46) arranged on the front face of the box body (4), and a residual cable frame (41) and a junction box (42) arranged in the box body (4), wherein the residual cable frame (41) is used for fixing residual cables, and the junction box (42) is a reserved device and is used for tapping branch optical cables (5).

2. The tower-mounted prefabricated optical cable junction box for a power distribution communication network as claimed in claim 1, wherein: the optical cable junction box further comprises a reserved line hole (44) and a plugging mechanism (45), the reserved line hole (44) is arranged in the center of the bottom of the box body (4), and more than one box screw hole (48) is formed in the outer ring of the reserved line hole (44).

3. The tower-mounted prefabricated optical cable junction box for a power distribution communication network as claimed in claim 2, wherein: the blocking mechanism (45) comprises a baffle (451) and a fixing ring (452) arranged on the side surface of the baffle (451), plate screw holes (453) are formed in the fixing ring (452), and the number of the plate screw holes (453) corresponds to that of the box screw holes (48).

4. The tower-mounted prefabricated optical cable junction box for a power distribution communication network as claimed in claim 3, wherein: the optical cable connection box further comprises two wiring holes (43) and two rubber gaskets (431), the two wiring holes (43) are respectively formed in two sides of a reserved wiring hole (44) in the bottom of the box body (4), and the rubber gaskets (431) are clamped in inner rings of the wiring holes (43).

5. The tower-mounted prefabricated optical cable junction box for a power distribution communication network as claimed in claim 4, wherein: the box screw holes (48) are uniformly formed in the outer ring of the wiring hole (43), and the box screw holes (48) correspond to the plate screw holes (453) in position one to one.

6. The tower-mounted prefabricated optical cable junction box for a power distribution communication network as claimed in claim 3, wherein: the outer side of the fixing ring (452) is fixedly connected with the inner side of the baffle (451), and the thickness of the baffle (451) is the same as that of the bottom wall of the box body (4).

7. The tower-mounted prefabricated optical cable junction box for a power distribution communication network as claimed in claim 4, wherein: and the optical cable (2) enters and exits the box body (4) through the wiring hole (43) after being sealed by the rubber gasket (431).

8. The tower-mounted prefabricated optical cable junction box for a power distribution communication network as claimed in claim 3, wherein: the reserved line hole (44) is reserved for the branch optical cable (5), when tapping is needed, the plugging mechanism (45) is removed, the rubber gasket (431) is clamped and connected to the inner ring of the reserved line hole (44), and the branch optical cable (5) enters the box body (4) from the reserved line hole (44) to be connected.

9. The tower-mounted prefabricated optical cable splice box for the power distribution communication network of claim 4, wherein: the residual cable frame (41) and the junction box (42) are arranged in the box body (4) from top to bottom, the optical cable (2) enters the box body (4) from one wire hole (43), and is led out from the other wire hole (43) after being coiled and fixed by the residual cable frame (41); the splice closure (42) is reserved, when a branch optical cable (5) needs to be connected, the optical cable (2) of the main line and the branch optical cable (5) cut off and are welded to form a required fiber core in the splice closure (42), and the fiber core which does not need to be tapped keeps straight.