CN105891982B - Installation device and method for OPGW terminal reserved cable of transformer substation - Google Patents
Installation device and method for OPGW terminal reserved cable of transformer substation Download PDFInfo
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- CN105891982B CN105891982B CN201610428488.7A CN201610428488A CN105891982B CN 105891982 B CN105891982 B CN 105891982B CN 201610428488 A CN201610428488 A CN 201610428488A CN 105891982 B CN105891982 B CN 105891982B
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- protective sleeve
- waterproof
- opgw
- insulating protective
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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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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Abstract
The application discloses installation device of transformer substation OPGW terminal reserved cable, it has solved the problem that extra-high voltage, superhigh pressure, the interturn contact discharge that winding OPGW interturn faradic induction arouses in the high-voltage transformer substation OPGW terminal reserved dish, the electrolytic corrosion strand break completely, the safe operating rate of extra-high voltage, superhigh pressure, high-voltage transformer substation OPGW optical cable terminal reserved cable has been improved, electric wire netting optical cable backbone line equipment hidden danger has been eliminated, electric wire netting safe operating rate has been promoted, optical cable department lacks maintenance work has been reduced, greatly reduced electric wire netting enterprise fortune dimension cost, and site operation is convenient, simple and direct, easy to realize. The OPGW terminal thermal shrinkage device comprises a waterproof glue coating object, an insulating protective sleeve and thermal shrinkage processing equipment, wherein the waterproof glue coating object is smeared or an insulating adhesive tape is wound at the tail end of an OPGW terminal reserved cable, the insulating protective sleeve is sleeved on a part coated with the waterproof glue coating object, and the thermal shrinkage processing equipment is used for performing thermal shrinkage processing on the insulating protective sleeve, so that air in the insulating protective sleeve is eliminated. Methods are also provided.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a device and a method for installing an OPGW (optical fiber composite overhead ground wire) terminal reserved cable of a transformer substation, which are mainly used in extra-high voltage, ultrahigh voltage and high voltage transformer substations of the power systems.
Background
With the continuous development of society, electric power becomes an essential energy source for production and life of people, so that the technical development of transformer substations closely related to electric power attracts more and more attention of people.
At present, the outer layer structure of an OPGW (Optical Fiber Composite Overhead Ground Wire) Optical cable of an extra-high voltage, extra-high voltage and high voltage transformer substation in a domestic and foreign power system is an aluminum-clad steel bare stranded Wire. Because the OPGW optical cable is erected on the same pole on the upper portion of a pole tower of the power transmission line, the power transmission line can generate induced electricity for the OPGW optical cable, the OPGW optical cable enters a transformer substation and is generally led into a reserved cable fork disc to be wound for 4-10 circles, turn-to-turn contact exists in the OPGW optical cable wound in the fork disc, and the problems of turn-to-turn contact discharge and electric erosion strand breakage are caused by the induced electricity of the OPGW optical cable. If the OPGW optical cable in operation has the danger of strand breakage, great equipment hidden danger can be caused to the power grid optical cable line, and the safety production of the current smart power grid is directly threatened.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a mounting device for an OPGW terminal reserved cable of a transformer substation, which completely solves the problems of turn-to-turn contact discharge and galvanic corrosion strand breakage caused by turn-to-turn induction electricity of the OPGW wound in a reserved disc of an OPGW terminal of an extra-high voltage, extra-high voltage and high-voltage transformer substation, improves the safe operation rate of the OPGW terminal reserved cable of the extra-high voltage, extra-high voltage and high-voltage transformer substation, eliminates the hidden danger of backbone line equipment of an optical cable of a power grid, promotes the safe operation rate of the power grid, reduces the lack of maintenance work at the position of the backbone line of the optical cable, greatly reduces the operation and maintenance cost of a power grid enterprise, and is convenient, simple and easy to construct on site.
The technical scheme of the invention is as follows: the installation device for the OPGW terminal reserved cable of the transformer substation comprises a waterproof glue coating object, an insulating protective sleeve and thermal shrinkage processing equipment, wherein the waterproof glue coating object is smeared or an insulating adhesive tape is wound at the tail end of the OPGW terminal reserved cable, the insulating protective sleeve is sleeved at the part coated with the waterproof glue coating object, and the thermal shrinkage processing equipment is used for carrying out thermal shrinkage processing on the insulating protective sleeve, so that air in the insulating protective sleeve is eliminated.
The method for installing the installation device of the OPGW terminal reserved cable of the transformer substation comprises the following steps:
(1) coating a waterproof adhesive substance or winding an insulating adhesive tape on the tail end of the OPGW terminal reserved cable;
(2) sleeving the insulating protective sleeve on the part coated with the waterproof glue coating;
(3) and carrying out thermal shrinkage treatment on the waterproof sheath through thermal shrinkage treatment equipment so as to eliminate air in the waterproof sheath.
According to the invention, the waterproof glue coating material is coated on the tail end of the OPGW terminal reserved cable, the insulating protective sleeve is sleeved on the part coated with the waterproof glue coating material, and the insulating protective sleeve is subjected to thermal shrinkage treatment by the thermal shrinkage treatment equipment, so that the air in the insulating protective sleeve is eliminated, therefore, the problems of inter-turn contact discharge and electric erosion strand breakage caused by inter-turn induced electricity of the OPGW wound in the OPGW terminal reserved disc of an extra-high voltage, ultra-high voltage and high-voltage transformer substation are completely solved, the safe operation rate of the OPGW cable terminal reserved cable of the extra-high voltage, ultra-high voltage and high-voltage transformer substation is improved, the hidden danger of backbone line equipment of the optical cable of the power grid is eliminated, the safe operation rate of the power grid is promoted, the defect maintenance work of the optical cable is reduced, the operation and maintenance cost of power grid enterprises is greatly reduced, and the field construction is convenient, simple and easy to realize.
Drawings
Fig. 1 is a cross-sectional view of a preferred embodiment of a mounting arrangement for a substation OPGW terminal reserve cable according to the invention;
fig. 2 is a cross-sectional end view of another preferred embodiment of the installation arrangement of a substation OPGW terminal reserve cable according to the invention;
fig. 3 is a schematic diagram of an apparatus for implementing the installation method of the reserved cable of the substation OPGW terminal according to the present invention.
Detailed Description
As shown in fig. 1, the installation device for the reserved cable at the OPGW terminal of the transformer substation comprises a waterproof glue coating object 2, an insulating protective sleeve 3 and heat-shrinkable processing equipment, wherein the waterproof glue coating object is coated or an insulating adhesive tape is wound on the tail end of the reserved cable 1 at the OPGW terminal, the insulating protective sleeve is sleeved in the part coated with the waterproof glue coating object, and the heat-shrinkable processing equipment is used for performing heat-shrinkable processing on the insulating protective sleeve, so that air in the insulating protective sleeve is eliminated.
According to the invention, the waterproof glue coating material is coated on the tail end of the OPGW terminal reserved cable, the insulating protective sleeve is sleeved on the part coated with the waterproof glue coating material, and the insulating protective sleeve is subjected to thermal shrinkage treatment by the thermal shrinkage treatment equipment, so that the air in the insulating protective sleeve is eliminated, therefore, the problems of inter-turn contact discharge and electric erosion strand breakage caused by inter-turn induced electricity of the OPGW wound in the OPGW terminal reserved disc of an extra-high voltage, ultra-high voltage and high-voltage transformer substation are completely solved, the safe operation rate of the OPGW cable terminal reserved cable of the extra-high voltage, ultra-high voltage and high-voltage transformer substation is improved, the hidden danger of backbone line equipment of the optical cable of the power grid is eliminated, the safe operation rate of the power grid is promoted, the defect maintenance work of the optical cable is reduced, the operation and maintenance cost of power grid enterprises is greatly reduced, and the field construction is convenient, simple and easy to realize.
Preferably, the waterproof glue coating 2 is arranged at the tail end of the OPGW terminal reserved cable 1 within 1-20 meters. This is just right for insulation protection between turns of the OPGW optical cable to be wound.
Preferably, the heat-shrinking treatment apparatus is a heat gun. The equipment has low cost and convenient purchase.
Preferably, the mounting device further comprises a waterproof jacket 4 which is sleeved outside the insulating protective sleeve and is subjected to heat shrinkage treatment by a heat shrinkage treatment device so as to eliminate air in the waterproof jacket. This ensures that the end of the cable is waterproof.
Preferably, as shown in fig. 2, a part of the OPGW terminal reserved cable extends out of the waterproof glue and the insulating protective sleeve, and as shown in fig. 3, the waterproof protective sleeve includes a large diameter portion 41 and a small diameter portion 42, the large diameter portion is sleeved outside the insulating protective sleeve, and the small diameter portion is sleeved outside the part of the OPGW terminal reserved cable extending out of the waterproof glue and the insulating protective sleeve. This enables the entire OPGW terminal reserve cable to be protected.
Still further, as can be seen in fig. 2, the insulating shield 3 may comprise a first insulating shield 31, a second insulating shield 32, a third insulating shield 33. This enables better insulation protection.
The method for installing the installation device of the OPGW terminal reserved cable of the transformer substation comprises the following steps:
(1) coating a waterproof adhesive substance or winding an insulating adhesive tape on the tail end of the OPGW terminal reserved cable;
(2) sleeving the insulating protective sleeve on the part coated with the waterproof glue coating;
(3) and carrying out thermal shrinkage treatment on the waterproof sheath through thermal shrinkage treatment equipment so as to eliminate air in the waterproof sheath.
Preferably, the waterproof glue in step (1) is arranged at the 20 m tail end of the reserved cable of the OPGW terminal.
Preferably, the method further comprises the step (4) of arranging a waterproof jacket outside the insulating protective sleeve and performing heat shrinkage treatment on the waterproof jacket through a heat shrinkage treatment device so as to eliminate air in the waterproof jacket.
Preferably, a part of the OPGW terminal reserved cable in step (1) extends out of the waterproof glue coating and the insulating protective sleeve; and (4) the waterproof sheath comprises a large-diameter part and a small-diameter part, the large-diameter part is sleeved outside the insulating sheath, and the small-diameter part is sleeved outside the part of the OPGW terminal reserved cable extending out of the waterproof glue coating object and the insulating sheath.
The invention has the beneficial effects that:
1) the invention completely solves the problem of inter-turn contact discharge and electrical erosion strand breakage caused by the inter-turn inductive electricity of the OPGW wound in the pre-reserved disc of the OPGW terminal of the extra-high voltage, ultra-high voltage and high voltage transformer substation.
2) The method comprises the steps that before the OPGW terminal reserved cable is wound into the reserved cable fork disc, the outer layer of the OPGW reserved cable is subjected to full-insulation process treatment by adopting insulating materials and fillers and then wound into the reserved cable fork disc, and the problem that the OPGW reserved cable is not subjected to interturn electrical erosion and strand breakage in the fork disc can be 100% guaranteed after the insulation process.
3) In particular to an OPGW terminal reserved cable inter-turn insulation process for an extra-high voltage transformer substation.
4) In particular to an inter-turn insulation process for leading an OPGW reserved cable down from a tower when an OPGW cable is connected in the middle of an OPGW cable insulation line.
5) The invention can be used for the metal reserved cable fork disc and the reserved cable fork disc device made of other materials, thus reducing the manufacturing cost of the OPGW terminal reserved device.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a cable installation device is reserved at OPGW terminal of transformer substation which characterized in that: the optical fiber cable comprises a waterproof glue coating object (2), an insulating protective sleeve (3) and thermal shrinkage processing equipment, wherein the waterproof glue coating object is smeared or an insulating adhesive tape is wound at the tail end of an OPGW terminal reserved cable (1), the insulating protective sleeve is sleeved on the part coated with the waterproof glue coating object, and the thermal shrinkage processing equipment is used for performing thermal shrinkage processing on the insulating protective sleeve, so that air in the insulating protective sleeve is eliminated;
the waterproof glue coating object (2) is arranged at the tail end of the OPGW terminal reserved cable by 1-20 meters;
the thermal shrinkage treatment equipment is a hot air gun;
the mounting device also comprises a waterproof jacket (4) which is sleeved outside the insulating protective sleeve and is subjected to thermal shrinkage treatment through thermal shrinkage treatment equipment, so that the port of the insulating jacket is prevented from being opened, and air in the waterproof jacket is eliminated;
one part of the OPGW terminal reserved cable extends out of the waterproof glue coating object and the insulating protective sleeve, the waterproof protective sleeve comprises a large-diameter part (41) and a small-diameter part (42), the large-diameter part is sleeved outside the insulating protective sleeve, and the small-diameter part is sleeved outside the part of the OPGW terminal reserved cable extending out of the waterproof glue coating object and the insulating protective sleeve.
2. A method of using the installation device of a substation OPGW terminal reserve cable according to claim 1, characterized in that: which comprises the following steps:
(1) coating a waterproof adhesive substance or winding an insulating adhesive tape on the tail end of the OPGW terminal reserved cable;
(2) sleeving the insulating protective sleeve on the part coated with the waterproof glue coating;
(3) and carrying out thermal shrinkage treatment on the waterproof sheath through thermal shrinkage treatment equipment so as to eliminate air in the waterproof sheath.
3. The method of claim 2, wherein: and (2) the waterproof glue coating object in the step (1) is arranged at the tail end of the OPGW terminal reserved cable by 1-20 meters.
4. The method of claim 3, wherein: the method further comprises the step (4) of arranging a waterproof jacket outside the insulating protective sleeve and carrying out thermal shrinkage treatment on the waterproof jacket through thermal shrinkage treatment equipment so as to eliminate air in the waterproof jacket.
5. The method of claim 4, wherein: a part of the OPGW terminal reserved cable in the step (1) extends out of a waterproof glue coating object and an insulating protective sleeve; and (4) the waterproof sheath comprises a large-diameter part and a small-diameter part, the large-diameter part is sleeved outside the insulating sheath, and the small-diameter part is sleeved outside the part of the OPGW terminal reserved cable extending out of the waterproof glue coating object and the insulating sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610428488.7A CN105891982B (en) | 2016-06-16 | 2016-06-16 | Installation device and method for OPGW terminal reserved cable of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610428488.7A CN105891982B (en) | 2016-06-16 | 2016-06-16 | Installation device and method for OPGW terminal reserved cable of transformer substation |
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| Publication Number | Publication Date |
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| CN105891982A CN105891982A (en) | 2016-08-24 |
| CN105891982B true CN105891982B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610428488.7A Active CN105891982B (en) | 2016-06-16 | 2016-06-16 | Installation device and method for OPGW terminal reserved cable of transformer substation |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI653795B (en) * | 2017-11-30 | 2019-03-11 | 大陸商安費諾光纖技術（深圳）有限公司 | Optical cable sealing method and optical cable sealing composition |
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| CN203164492U (en) * | 2013-04-02 | 2013-08-28 | 国家电网公司 | Rainproof nut with sealing gaskets of optical cable protection tube |
| CN203299424U (en) * | 2013-05-14 | 2013-11-20 | 国家电网公司 | Aerial optical cable leading down sealing protection device |
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2016
- 2016-06-16 CN CN201610428488.7A patent/CN105891982B/en active Active
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| JP2003140014A (en) * | 2001-11-06 | 2003-05-14 | Hitachi Cable Ltd | Optical fiber cable and optical transmission line using it |
| CN101174010A (en) * | 2007-11-21 | 2008-05-07 | 江苏中天科技股份有限公司 | Optical fiber compound phase line joint box and connection technique thereof |
| EP2399326A1 (en) * | 2009-02-19 | 2011-12-28 | Wetzel S.a. | A device for dynamically neutralizing vibrations in single cable overhead power transmission lines |
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| CN105891982A (en) | 2016-08-24 |
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