CN210039669U - Insulating optical fiber composite low-voltage cable - Google Patents
Insulating optical fiber composite low-voltage cable Download PDFInfo
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- CN210039669U CN210039669U CN201920936229.4U CN201920936229U CN210039669U CN 210039669 U CN210039669 U CN 210039669U CN 201920936229 U CN201920936229 U CN 201920936229U CN 210039669 U CN210039669 U CN 210039669U
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Abstract
The utility model discloses a compound low tension cable of insulating optic fibre, including conductive element, light unit and crosslinked polyethylene insulating layer, conductive element and light unit distribute in the crosslinked polyethylene insulating layer, the crosslinked polyethylene insulating layer includes first ring body, second ring body and third ring body, be equipped with the light unit in the third ring body, the light unit includes optic fibre, reinforced core and water blocking layer, optic fibre and reinforced core are arranged in an annular shape in turn, are equipped with the water blocking layer outside this annular; the second ring body and the third ring body are provided with a plurality of conductive units, each conductive unit comprises a conductor and a loose tube, and the loose tube is wrapped on the outer side of the conductor. The utility model discloses well crosslinked polyethylene insulating layer links together electrically conductive unit and optical unit through simpler mode, plays the fixed action to a plurality of electrically conductive units and optical unit simultaneously, and the structure is simple and convenient, still plays the guard action when playing the connection.
Description
Technical Field
The utility model relates to a compound low tension cable of insulating optic fibre belongs to the cable field.
Background
An Optical Fiber Composite Low-voltage Cable (OPLC) is a Composite Cable which combines Optical units in a Low-voltage power Cable, can transmit power information and Optical communication, and is suitable for Low-voltage distribution network engineering. The OPLC is one of important cable products in the construction of the smart power grid, integrates the functions of electric power and communication, reduces the cost of network construction, and is one of the 'multi-network integration' products with the highest cost performance at present. The insulating optical fiber composite low-voltage cable has strong functionality, so that the application range of the insulating optical fiber composite low-voltage cable is extremely wide, and the insulating optical fiber composite low-voltage cable can be applied to various complex environments, so that a plurality of protective layers are required to be arranged on the outer sides of the cable and the optical fibers, the protective layers are mainly arranged to prevent moisture and dirt on the outer sides from entering, and the cable and the optical fibers can be prevented from being damaged, but a large number of processing procedures are increased due to the arrangement of a multi-layer. Therefore, how to develop an insulated optical fiber composite low voltage cable with a simpler protection structure becomes a research direction of those skilled in the art.
Disclosure of Invention
The utility model aims at providing a compound low tension cable of insulating optic fibre, crosslinked polyethylene insulating layer links together electrically conductive unit and light unit through simpler mode in this compound low tension cable of insulating optic fibre, plays the fixed action to a plurality of electrically conductive units and light unit simultaneously, and the structure is simple and convenient, still plays the guard action when playing the connection.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an insulated optical fiber composite low-voltage cable comprises a conductive unit, an optical unit and a crosslinked polyethylene insulating layer, wherein the conductive unit and the optical unit are distributed in the crosslinked polyethylene insulating layer, the crosslinked polyethylene insulating layer comprises a first ring body, a second ring body and a third ring body, the optical unit is arranged in the third ring body, the optical unit comprises an optical fiber, a reinforcing core and a water-blocking layer, the optical fiber and the reinforcing core are alternately arranged in an annular shape, and the water-blocking layer is arranged on the outer side of the annular shape;
the second ring body and the third ring body are provided with a plurality of conductive units, each conductive unit comprises a conductor and a loose tube, and the loose tube is coated on the outer side of the conductor;
still be equipped with many packing ropes between first ring body and the second ring body, the first ring body outside is equipped with the metallic shield layer, metallic shield layer is equipped with fire-retardant layer, armor and oversheath outward in proper order.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, a plurality of first connecting portions are arranged between the second ring body and the third ring body, the second ring body and the third ring body are separated by the first connecting portions to form a plurality of cavities, and each cavity is internally provided with one conductive unit.
2. In the above scheme, be equipped with a plurality of second connecting portion between first ring body and the second ring body, second connecting portion forms a plurality of cavitys with the space interval between first ring body and the second ring body, be equipped with the filling rope in the cavity.
3. In the above scheme, a filling rope is arranged in each cavity between the first ring body and the second ring body.
4. In the above scheme, the filling ropes are arranged at intervals in the cavity between the first ring body and the second ring body.
5. In the scheme, the water-resistant layer is formed by laminating a plurality of layers of fiber water-resistant yarns.
6. In the above scheme, the metal shielding layer is a tin-plated copper wire mesh layer.
7. In the above scheme, the armor layer is an aluminum alloy armor braid.
8. In the scheme, the outer sheath is a halogen-free flame-retardant polyolefin protective layer.
9. In the above scheme, the first ring body, the second ring body, the third ring body, the first connecting portion and the second connecting portion are of an integrally formed structure.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses compound low tension cable of insulating optic fibre, it includes conductive element, light unit and crosslinked polyethylene insulating layer, conductive element and light unit distribute in crosslinked polyethylene insulating layer, crosslinked polyethylene insulating layer includes first ring body, second ring body and third ring body, the third ring body is internal to be equipped with the light unit, second ring body and third ring body are equipped with a plurality of conductive element, this crosslinked polyethylene insulating layer links together conductive element and light unit through simpler mode, play the fixed action to a plurality of conductive element and light unit simultaneously, the structure is simple and convenient, play the guard action when playing the connection; simultaneously still be equipped with many packing ropes between first ring body and the second ring body, play the reinforcing action to whole cable.
2. The utility model discloses compound low tension cable of insulating optic fibre, first ring body, second ring body, third ring body, first connecting portion and second connecting portion in its crosslinked polyethylene insulating layer are the integrated into one piece structure, and this structure links together electrically conductive unit, light unit and filling rope, has played fine connection fixed action, can regard as the lag to use simultaneously, has reduced a plurality of fixed and inoxidizing coating's among the prior art structure, reduces manufacturing procedure.
Drawings
Fig. 1 is the structure schematic diagram of the insulated optical fiber composite low-voltage cable of the utility model.
Figure 2 is the utility model discloses compound low tension cable crosslinked polyethylene insulating layer structure sketch map of insulating optic fibre.
In the above drawings: 1. an outer sheath; 2. an armor layer; 3. a flame retardant layer; 4. a metal shielding layer; 5. a crosslinked polyethylene insulating layer; 501. a first ring body; 502. a second ring body; 503. a first connection portion; 504. a third ring body; 505. a second connecting portion; 6. filling a rope; 7. loosening the sleeve; 8. an optical fiber; 9. a reinforcing core; 10. a water resistant layer; 11. a conductor.
Detailed Description
Example 1: an insulated optical fiber composite low-voltage cable comprises a conductive unit, an optical unit and a cross-linked polyethylene insulating layer 5, wherein the conductive unit and the optical unit are distributed in the cross-linked polyethylene insulating layer 5, the cross-linked polyethylene insulating layer 5 comprises a first ring body 501, a second ring body 502 and a third ring body 504, the optical unit is arranged in the third ring body 504, the optical unit comprises an optical fiber 8, a reinforcing core 9 and a water blocking layer 10, the optical fiber 8 and the reinforcing core 9 are alternately arranged in an annular shape, and the water blocking layer 10 is arranged on the outer side of the annular shape;
the second ring body 502 and the third ring body 504 are provided with a plurality of conductive units, each conductive unit comprises a conductor 11 and a loose tube 7, and the loose tube 7 is covered on the outer side of the conductor 11;
still be equipped with many packing ropes 6 between first ring body 501 and the second ring body 502, the first ring body 501 outside is equipped with metallic shield 4, metallic shield 4 is equipped with fire-retardant layer 3, armor 2 and oversheath 1 outward in proper order.
A plurality of first connecting parts 503 are arranged between the second ring body 502 and the third ring body 504, the plurality of first connecting parts 503 form a plurality of cavities at intervals between the second ring body 502 and the third ring body 504, and each cavity is internally provided with a conductive unit;
a plurality of second connecting parts 505 are arranged between the first ring body 501 and the second ring body 502, the second connecting parts 505 form a plurality of cavities at intervals in the gap between the first ring body 501 and the second ring body 502, and filling ropes 6 are arranged in the cavities;
a filling rope 6 is arranged in each cavity between the first ring body 501 and the second ring body 502; the metal shielding layer 4 is a tin-plated copper wire mesh layer; the armor layer 2 is an aluminum alloy armor braid layer; the outer sheath 1 is a halogen-free flame-retardant polyolefin protective layer.
Example 2: an insulated optical fiber composite low-voltage cable comprises a conductive unit, an optical unit and a cross-linked polyethylene insulating layer 5, wherein the conductive unit and the optical unit are distributed in the cross-linked polyethylene insulating layer 5, the cross-linked polyethylene insulating layer 5 comprises a first ring body 501, a second ring body 502 and a third ring body 504, the optical unit is arranged in the third ring body 504, the optical unit comprises an optical fiber 8, a reinforcing core 9 and a water blocking layer 10, the optical fiber 8 and the reinforcing core 9 are alternately arranged in an annular shape, and the water blocking layer 10 is arranged on the outer side of the annular shape;
the second ring body 502 and the third ring body 504 are provided with a plurality of conductive units, each conductive unit comprises a conductor 11 and a loose tube 7, and the loose tube 7 is covered on the outer side of the conductor 11;
still be equipped with many packing ropes 6 between first ring body 501 and the second ring body 502, the first ring body 501 outside is equipped with metallic shield 4, metallic shield 4 is equipped with fire-retardant layer 3, armor 2 and oversheath 1 outward in proper order.
A plurality of first connecting parts 503 are arranged between the second ring body 502 and the third ring body 504, the plurality of first connecting parts 503 form a plurality of cavities at intervals between the second ring body 502 and the third ring body 504, and each cavity is internally provided with a conductive unit;
a plurality of second connecting parts 505 are arranged between the first ring body 501 and the second ring body 502, the second connecting parts 505 form a plurality of cavities at intervals in the gap between the first ring body 501 and the second ring body 502, and filling ropes 6 are arranged in the cavities;
the filling ropes 6 are arranged in the cavity between the first ring body 501 and the second ring body 502 at intervals; the water-resistant layer 10 is formed by laminating a plurality of layers of fiber water-resistant yarns; the first ring body 501, the second ring body 502, the third ring body 504, the first connecting portion 503 and the second connecting portion 505 are integrally formed.
When the insulated optical fiber composite low-voltage cable is adopted, the insulated optical fiber composite low-voltage cable comprises a conductive unit, an optical unit and a crosslinked polyethylene insulating layer, wherein the conductive unit and the optical unit are distributed in the crosslinked polyethylene insulating layer, the crosslinked polyethylene insulating layer comprises a first ring body, a second ring body and a third ring body, the optical unit is arranged in the third ring body, the second ring body and the third ring body are provided with a plurality of conductive units, the crosslinked polyethylene insulating layer connects the conductive unit and the optical unit together in a simpler mode, and simultaneously plays a role in fixing the plurality of conductive units and the optical unit, the structure is simple and convenient, and the protective effect is achieved while the connecting effect is achieved; simultaneously still be equipped with many packing ropes between first ring body and the second ring body, play the reinforcing action to whole cable.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. An insulated optical fiber composite low-voltage cable is characterized in that: the light-blocking and light-transmitting composite material comprises a conductive unit, a light unit and a cross-linked polyethylene insulating layer (5), wherein the conductive unit and the light unit are distributed in the cross-linked polyethylene insulating layer (5), the cross-linked polyethylene insulating layer (5) comprises a first ring body (501), a second ring body (502) and a third ring body (504), the light unit is arranged in the third ring body (504), the light unit comprises an optical fiber (8), a reinforcing core (9) and a water-blocking layer (10), the optical fiber (8) and the reinforcing core (9) are alternately arranged in an annular shape, and the water-blocking layer (10) is arranged on the outer side of the annular shape;
the second ring body (502) and the third ring body (504) are provided with a plurality of conductive units, each conductive unit comprises a conductor (11) and a loose tube (7), and the loose tube (7) is covered on the outer side of the conductor (11);
still be equipped with many packing ropes (6) between first ring body (501) and second ring body (502), first ring body (501) outside is equipped with metallic shield (4), metallic shield (4) are equipped with fire-retardant layer (3), armor (2) and oversheath (1) outward in proper order.
2. The insulated optical fiber composite low-voltage cable according to claim 1, wherein: a plurality of first connecting portions (503) are arranged between the second ring body (502) and the third ring body (504), the second ring body (502) and the third ring body (504) are separated by the first connecting portions (503) to form a plurality of cavities, and each cavity is internally provided with a conductive unit.
3. The insulated optical fiber composite low-voltage cable according to claim 1, wherein: a plurality of second connecting parts (505) are arranged between the first ring body (501) and the second ring body (502), the second connecting parts (505) enable gaps between the first ring body (501) and the second ring body (502) to form a plurality of cavities at intervals, and filling ropes (6) are arranged in the cavities.
4. The insulated optical fiber composite low-voltage cable according to claim 3, wherein: a filling rope (6) is arranged in each cavity between the first ring body (501) and the second ring body (502).
5. The insulated optical fiber composite low-voltage cable according to claim 3, wherein: and filling ropes (6) are arranged in the cavity between the first ring body (501) and the second ring body (502) at intervals.
6. The insulated optical fiber composite low-voltage cable according to claim 1, wherein: the water-resistant layer (10) is formed by laminating a plurality of layers of fiber water-resistant yarns.
7. The insulated optical fiber composite low-voltage cable according to claim 1, wherein: the metal shielding layer (4) is a tin-plated copper wire mesh layer.
8. The insulated optical fiber composite low-voltage cable according to claim 1, wherein: the armor layer (2) is an aluminum alloy armor weaving layer.
9. The insulated optical fiber composite low-voltage cable according to claim 1, wherein: the outer sheath (1) is a halogen-free flame-retardant polyolefin protective layer.
10. The insulated optical fiber composite low-voltage cable according to claim 1, wherein: the first ring body (501), the second ring body (502), the third ring body (504), the first connecting portion (503) and the second connecting portion (505) are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920936229.4U CN210039669U (en) | 2019-06-20 | 2019-06-20 | Insulating optical fiber composite low-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920936229.4U CN210039669U (en) | 2019-06-20 | 2019-06-20 | Insulating optical fiber composite low-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210039669U true CN210039669U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920936229.4U Active CN210039669U (en) | 2019-06-20 | 2019-06-20 | Insulating optical fiber composite low-voltage cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210039669U (en) |
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2019
- 2019-06-20 CN CN201920936229.4U patent/CN210039669U/en active Active
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Denomination of utility model: Insulated fiber optic composite low voltage cable Effective date of registration: 20220811 Granted publication date: 20200207 Pledgee: China Construction Bank Corporation Limited Wuxiang Sub-branch in Nanning Area, Guangxi Pilot Free Trade Zone Pledgor: GUANGXI ZONGLAN CABLE GROUP CO.,LTD. Registration number: Y2022450000132 |