CN201917699U - Full-insulating joint box for optical fiber composite overhead ground wires - Google Patents
Full-insulating joint box for optical fiber composite overhead ground wires Download PDFInfo
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- CN201917699U CN201917699U CN2011200448382U CN201120044838U CN201917699U CN 201917699 U CN201917699 U CN 201917699U CN 2011200448382 U CN2011200448382 U CN 2011200448382U CN 201120044838 U CN201120044838 U CN 201120044838U CN 201917699 U CN201917699 U CN 201917699U
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- optical fiber
- fiber composite
- overhead ground
- composite overhead
- ground wire
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Abstract
The utility model discloses a full-insulating joint box for optical fiber composite overhead ground wires, which belongs to the field of machinery and specifically comprises an upper box cover, an upper box body, an upper optical cable fixing clamp, a photoelectric isolation insulating component, a lower box body, a lower box cover, a lower optical cable fixing clamp, a tower insulating component and at least four insulating component connecting flanges. By means of arranging the photoelectric isolation insulating component, the tower insulating component and the insulating component connecting flanges in the full-insulating joint box for optical fiber composite overhead ground wires, an embodiment realizes interconnection and intercommunication of only optical fiber units between two OPGW (optical fiber composite overhead ground wires) and electrical insulating isolation of the OPGW and respective insulating effects of the two OPGW to a tower. The full-insulating joint box can be used for optical cable connection of full-insulating points in a single-point-grounded sectional insulating laying mode for OPGW with voltage of 220kV or higher than 220kV according to special requirements of a power system.
Description
Technical field
The utility model belongs to mechanical field, relate to a kind of all insulation connector box, be particularly related to a kind of Optical Fiber composite overhead Ground Wire (Optical fiber composite overhead ground wires, hereinafter to be referred as OPGW) all insulation connector box, this connector box can satisfy the continue installation of Optical Fiber composite overhead Ground Wire in single-point grounding graded insulation system of laying, and satisfy between the continuous OPGW of all insulation breaking point two-phase mutual connection and two OPGW respectively for the insulating mounting requirement of shaft tower.
Background technology
Optical Fiber composite overhead Ground Wire (OPGW) is a kind of extraordinary communications optical cable of recent two decades developed and widespread use in electric system, it generally is erected at the ground line position of transmission and distribution line line pole tower, in system's dual compound action that plays lightning conducter and order wire in service.The OPGW optical cable is when installing and using, and general employing is by basic bar, the optimum directly grounded mode of tower.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art:
Direct grounding way can be struck by lightning or during the generation systems short circuit, directly with lightning current or system short-circuit conduct current the earth, have been improved the reliability of ground connection lightning protection at circuit.But, because the electromagnetic field that produces around the electrical lead can produce electromagnetism and electrostatic field coupling between ground wire and the electrical lead.With the directly grounded while of OPGW, can constitute the loop by the earth between ground wire and the ground wire, form circulation between the line of two ground wires.In addition, every lightning conducter is respectively again the loop with the earth, form the induction current loop, thereby direct grounding way can be brought a large amount of additional electrical energy losses for transmission line of electricity.
In the practical application, another root ground wire of joint using in some power transmission sequences has carried out the insulating mounting of ground wire for bar, tower for energy-conservation needs, and OPGW causes resistance value less because of direct ground connection, this just causes two ground wires on the shaft tower top that coexists, and resistance to earth difference is very big.When meeting with thunderbolt, lightning current at first selects the less OPGW of resistance value to carry out earial drainage, can cause since disconnected fine, the disconnected stock market affairs of a lot of OPGW optical cables of thunderbolt generation, the safe operation of OPGW is brought huge hidden danger.
The utility model content
In order to improve the security of OPGW operation in the prior art, present embodiment has proposed a kind of Optical Fiber composite overhead Ground Wire all insulation connector box that the OPGW composite ground wire is carried out insulating mounting, the OPGW composite ground wire can be carried out the connection of reliable optical communication aspect, realize the insulation isolation between two OPGW that continue fully, and satisfy the technical requirement that two OPGW insulate to shaft tower respectively.
Particularly, existing OPGW composite ground wire is by the laying of basic ground connection, connecting method, and neither there be continuing and transmitting of mechanical load between the two dish optical cables in fact just the continuing of fibre system of continuing of OPGW, do not have the direct connection of electric aspect again.By adopting the Optical Fiber composite overhead Ground Wire insulation joint box, can when OPGW continues, carry out the connection of optical communication aspect in the present embodiment, and the insulation that realizes the respective electric aspect according to different situations be communicated with.
The technical scheme of the Optical Fiber composite overhead Ground Wire all insulation connector box that present embodiment proposes is as follows:
A kind of Optical Fiber composite overhead Ground Wire all insulation connector box comprises upper box cover, upper cartridge body, last optical cable fixing clamper, photoelectricity isolated insulation member, lower box body, lower casing, following optical cable fixing clamper, shaft tower insulating component and at least four insulating component joint flanges,
Establish perforate in the described photoelectricity isolated insulation member, be connected with described upper cartridge body by last connection one insulating component joint flange, and by under connect an insulating component joint flange and be connected with described lower box body, described photoelectricity isolated insulation member is used for pre-buried jointed fiber;
The Optical Fiber composite overhead Ground Wire fiber cable joint when once continuing is deposited, protected to described upper cartridge body, and go up the described upper box cover of connection;
Described upward optical cable fixing clamper is installed in the side of described upper cartridge body, is used for fixing the Optical Fiber composite overhead Ground Wire fiber cable joint end that once continues in the described upper cartridge body;
Described lower box body is deposited, the Optical Fiber composite overhead Ground Wire fiber cable joint when protecting second trial, and connects described lower casing down;
Described optical cable fixing clamper down is installed in the side of described lower box body, is used for fixing the Optical Fiber composite overhead Ground Wire fiber cable joint end of second trial in the described lower box body;
Described shaft tower insulating component is connected with described lower casing by last connection one insulating component joint flange, and connects an insulating component joint flange down.
Preferred as technique scheme, the described optical cable fixing clamper of going up runs through described upper cartridge body and is connected with described upper cartridge body, and described following optical cable fixing clamper runs through described lower box body and is connected with described lower box body.
Preferred as technique scheme, described upper box cover is the upper cartridge body cover plate, and suitable with described upper cartridge body, described lower casing is the lower box body cover plate, and suitable with described lower box body.
Preferred as technique scheme, described upper box cover is connected by bolt with described upper cartridge body, and described lower casing is connected by bolt with described lower box body.
Preferred as technique scheme, described photoelectricity isolated insulation member is made by supporting insulator or the strong non-metal insulating material of rigidity.
Preferred as technique scheme is equipped with insulating medium in the described photoelectricity isolated insulation member, is used for described jointed fiber is sealed and insulate isolation.
Preferred as technique scheme, described upper cartridge body and/or lower box body include the cable connection installation accessories, so that optical cable is installed.
Preferred as technique scheme, described go up the optical cable fixing clamper and/or down the optical cable fixing clamper include into the cable conduit, fill stationary pipes, set nut, so that the Optical Fiber composite overhead Ground Wire fiber cable joint is fixed.
The beneficial effect that the technical scheme that the utility model provides is brought is: because of OPGW includes fiber unit, by photoelectricity isolated insulation member, shaft tower insulating component and insulating component joint flange are set in Optical Fiber composite overhead Ground Wire all insulation connector box, realized having only between two OPGW the mutual connection intercommunication of fiber unit, and the insulation of electric aspect isolates, and two OPGW are respectively to the insulation effect of shaft tower.According to the specific (special) requirements of electric system, the utility model can use the cable connection of all insulation point in 220kV and above OPGW composite ground wire single-point grounding graded insulation system of laying.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, to do one to the accompanying drawing that uses among the embodiment below introduces simply, apparently, below listed accompanying drawing only be embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the Optical Fiber composite overhead Ground Wire all insulation connector box that provides in the present embodiment 1.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model embodiment is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1, present embodiment has proposed a kind of Optical Fiber composite overhead Ground Wire all insulation connector box, specifically comprise: upper box cover 1, upper cartridge body 2, last optical cable fixing clamper 3, photoelectricity isolated insulation member 5, lower box body 6, lower casing 7, following optical cable fixing clamper 3 ', shaft tower insulating component 8 and at least four insulating component joint flanges 4, particularly;
Establish perforate in the photoelectricity isolated insulation member 5, be connected with upper cartridge body 2 by last connection one insulating component joint flange 4, and by under connect another insulating component joint flange 4 and be connected with lower box body 6, this photoelectricity isolated insulation member 5 is used for pre-buried jointed fiber;
Particularly, described photoelectricity isolated insulation member is made by supporting insulator or the strong non-metal insulating material of other rigidity, in the practical application, can add corresponding insulating medium in this photoelectricity isolated insulation member and adopt special material, to realize sealing and insulation isolation optical fiber.Two optical cable unit among the OPGW realize that by the connection of jointed fiber realization optical communication pre-buried in this photoelectricity isolated insulation member the insulation between two optical cables is isolated.
Upper box cover connects upper cartridge body 21 time, is used for the upper cartridge body fiber cable joint is played protection and sealing function; Particularly, this upper box cover is the upper cartridge body cover plate, and is suitable with upper cartridge body.
Last optical cable fixing clamper 3 is installed in the side of upper cartridge body 2, is used for fixing the OPGW fiber cable joint end that continues for the first time in the upper cartridge body 2, and last optical cable fixing clamper 3 runs through upper cartridge body 2 and is connected with upper cartridge body 2.Wherein, last optical cable fixing clamper includes into cable conduit, filling stationary pipes, set nut etc., to advance cable conduit, filling stationary pipes, set nut etc. by this OPGW fiber cable joint is fixed.
Connect lower box body 6 on the lower casing 7, and by under connect insulating component joint flange 4 and be connected with shaft tower insulating component 8, this lower casing is used for the lower box body fiber cable joint is played protection and sealing function, also conduct the joint flange of lower box body and shaft tower insulating component; Particularly, this lower casing can be the lower box body cover plate, and is suitable with lower box body, also can be connected with insulating component joint flange 4 by bolt.
Following optical cable fixing clamper 3 ' is installed in the side of lower box body 6, is used for setting firmly the OPGW fiber cable joint end of lower box body 6 second trials, and following optical cable fixing clamper 3 ' runs through lower box body 6 and is connected with lower box body 6.Wherein, following optical cable fixing clamper 3 ' includes into cable conduit, filling stationary pipes, set nut etc., to advance cable conduit, filling stationary pipes, set nut etc. by this OPGW fiber cable joint is fixed.
Shaft tower insulating component 8 is connected with lower casing 7 by last connection one insulating component joint flange 4, and connects an insulating component joint flange 4 down.This shaft tower insulating component is made by supporting insulator or the strong non-metal insulating material of other rigidity, make the isolation of insulating of connection device and iron tower, and by under connect the insulating component joint flange and be fixed on the shaft tower mounting bracket, finish two optical communications between the OPGW and connect, accomplished between two OPGW simultaneously and the isolation of the insulation between OPGW and the shaft tower.
The Optical Fiber composite overhead Ground Wire all insulation connector box that present embodiment proposes, by photoelectricity isolated insulation member, shaft tower insulating component and insulating component joint flange are set in Optical Fiber composite overhead Ground Wire all insulation connector box, all insulation point at the ground wire insulation system of single-point grounding graded insulation, no any connection on electric between the both sides OPGW with basic iron tower, two OPGW insulate for shaft tower respectively again simultaneously.According to the specific (special) requirements of electric system, the utility model can use the cable connection of all insulation point in 220kV and above OPGW single-point grounding graded insulation system of laying.
The OPGW all insulation connector box that present embodiment proposes is applied in all insulation breaking point in the installation of OPGW single-point grounding graded insulation, during use, an OPGW enters the upper cartridge body from last optical cable fixing clamper, upper cartridge body finish with photoelectricity isolated insulation member in the continuing of pre-buried optical fiber upper end; The lower end of pre-buried optical fiber is finished in lower box body and the continuing of another root OPGW optical cable.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (8)
1. Optical Fiber composite overhead Ground Wire all insulation connector box, it is characterized in that, comprise upper box cover, upper cartridge body, last optical cable fixing clamper, photoelectricity isolated insulation member, lower box body, lower casing, following optical cable fixing clamper, shaft tower insulating component and at least four insulating component joint flanges
Establish perforate in the described photoelectricity isolated insulation member, be connected with described upper cartridge body by last connection one insulating component joint flange, and by under connect an insulating component joint flange and be connected with described lower box body, described photoelectricity isolated insulation member is used for pre-buried jointed fiber;
The Optical Fiber composite overhead Ground Wire fiber cable joint when once continuing is deposited, protected to described upper cartridge body, and go up the described upper box cover of connection;
Described upward optical cable fixing clamper is installed in the side of described upper cartridge body, is used for fixing the Optical Fiber composite overhead Ground Wire fiber cable joint end that once continues in the described upper cartridge body;
Described lower box body is deposited, the Optical Fiber composite overhead Ground Wire fiber cable joint when protecting second trial, and connects described lower casing down;
Described optical cable fixing clamper down is installed in the side of described lower box body, is used for fixing the Optical Fiber composite overhead Ground Wire fiber cable joint end of second trial in the described lower box body;
Described shaft tower insulating component is connected with described lower casing by last connection one insulating component joint flange, and connects an insulating component joint flange down.
2. Optical Fiber composite overhead Ground Wire all insulation connector box as claimed in claim 1, it is characterized in that, described upward optical cable fixing clamper runs through described upper cartridge body and is connected with described upper cartridge body, and described optical cable fixing clamper down runs through described lower box body and is connected with described lower box body.
3. Optical Fiber composite overhead Ground Wire all insulation connector box as claimed in claim 1 is characterized in that described upper box cover is the upper cartridge body cover plate, and suitable with described upper cartridge body, and described lower casing is the lower box body cover plate, and suitable with described lower box body.
4. as claim 1 or 3 described Optical Fiber composite overhead Ground Wire all insulation connector boxs, it is characterized in that described upper box cover is connected by bolt with described upper cartridge body, described lower casing is connected by bolt with described lower box body.
5. Optical Fiber composite overhead Ground Wire all insulation connector box as claimed in claim 1 is characterized in that, described photoelectricity isolated insulation member is made by supporting insulator or the strong non-metal insulating material of rigidity.
6. as claim 1 or 5 described Optical Fiber composite overhead Ground Wire all insulation connector boxs, it is characterized in that, be equipped with insulating medium in the described photoelectricity isolated insulation member, be used for described jointed fiber is sealed and the isolation of insulating.
7. Optical Fiber composite overhead Ground Wire all insulation connector box as claimed in claim 1 is characterized in that described upper cartridge body and/or lower box body include the cable connection installation accessories, so that fiber cable joint is installed protection.
8. Optical Fiber composite overhead Ground Wire all insulation connector box as claimed in claim 1, it is characterized in that, described upward optical cable fixing clamper and/or following optical cable fixing clamper include into cable conduit, filling stationary pipes, set nut, so that Optical Fiber composite overhead Ground Wire fiber cable joint end is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200448382U CN201917699U (en) | 2011-02-23 | 2011-02-23 | Full-insulating joint box for optical fiber composite overhead ground wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200448382U CN201917699U (en) | 2011-02-23 | 2011-02-23 | Full-insulating joint box for optical fiber composite overhead ground wires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201917699U true CN201917699U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200448382U Expired - Fee Related CN201917699U (en) | 2011-02-23 | 2011-02-23 | Full-insulating joint box for optical fiber composite overhead ground wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201917699U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393554A (en) * | 2011-11-17 | 2012-03-28 | 江东金具设备有限公司 | High voltage isolation insulation optical cable joint box |
| CN102565975A (en) * | 2012-01-18 | 2012-07-11 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Ground wire ice melting graded insulation cable joint box |
| CN102565974A (en) * | 2012-01-18 | 2012-07-11 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Ground wire ice-melting optical cable insulating splice closure |
| CN102891460A (en) * | 2012-09-18 | 2013-01-23 | 中国电力科学研究院 | Photoelectric composite cable end connector box for three-networks integration business |
-
2011
- 2011-02-23 CN CN2011200448382U patent/CN201917699U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102393554A (en) * | 2011-11-17 | 2012-03-28 | 江东金具设备有限公司 | High voltage isolation insulation optical cable joint box |
| CN102393554B (en) * | 2011-11-17 | 2013-02-27 | 江东金具设备有限公司 | High voltage isolation insulation optical cable joint box |
| CN102565975A (en) * | 2012-01-18 | 2012-07-11 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Ground wire ice melting graded insulation cable joint box |
| CN102565974A (en) * | 2012-01-18 | 2012-07-11 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Ground wire ice-melting optical cable insulating splice closure |
| CN102891460A (en) * | 2012-09-18 | 2013-01-23 | 中国电力科学研究院 | Photoelectric composite cable end connector box for three-networks integration business |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20180223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |