CN2777725Y - Optical current transformer isolator - Google Patents
Optical current transformer isolator Download PDFInfo
- Publication number
- CN2777725Y CN2777725Y CN 200420115642 CN200420115642U CN2777725Y CN 2777725 Y CN2777725 Y CN 2777725Y CN 200420115642 CN200420115642 CN 200420115642 CN 200420115642 U CN200420115642 U CN 200420115642U CN 2777725 Y CN2777725 Y CN 2777725Y
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- cylinder
- flange
- fiber bundle
- hole
- groove
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Abstract
The utility model provides an insulator used in an optical current mutual inductor. An epoxy resin cylinder in which glass silks are longitudinally and compactly distributed is arranged between an upper flange and a lower flange, wherein the upper flange and the lower flange are respectively provided with a circular pipe; optical fiber beams which are longitudinally communicated and extended outside the upper flange and the lower flange are arranged in the dense cylinder; the circular pipes of the upper flange and the lower flange are sheathed with and press tightly both ends of the cylinder, and the outside of the cylinder is in compression joint with silicone rubber insulating skirt edges. The insulator has the advantages of simple structure, simple process and good insulating performance. The utility model is suitable for the optical current mutual inductor used for current measurement and control in high-voltage circuits.
Description
Technical field
The utility model relates to the insulating supporting structure that the optical current mutual inductor of usefulness was measured and controlled to high-tension line.
Background technology
In the past, optical current mutual inductor adopts the insulation of traditional electromagnetic current transducer to support more, need fill sulphur hexafluoride or oil, complex structure, complex process.At above-mentioned deficiency, the utility model specification of China Patent No. ZL98235721 has been announced a kind of insulation system, between last lower flange, be equipped with the bamboo joint type epoxy cylinder, several ring formula epoxy cylinders constitute bamboo joint type epoxy cylinder string, its outside hard-pressed bale epoxy glass fabric, coiled epoxy cylinder, constituting insulation supports, epoxy cylinder is provided with aperture, and optical fiber passes from aperture, and the place of passing seals with epoxy glue.In this structure aperture is arranged, though the end sealing, still there is air inside, and air is also arranged between bamboo joint type epoxy cylinder and the epoxy glass fabric, and therefore, insulation property are low, and structure still shows complicated.
Summary of the invention
Task of the present utility model provides the insulator that a kind of insulation property are high and optical current mutual inductor simple in structure is used.
Task of the present utility model is achieved through the following technical solutions.The optical current mutual inductor insulator comprises lower flange and the middle insulation stent body that has fiber bundle to connect, the insulation stent body is the epoxy resin cylinder of the glass fiber that vertically gathers of densification, the crimped outside of cylinder has the insulation shirt rim of silicon rubber, upper flange and lower flange all have one section pipe to be set with and to be pressed on the two ends of cylinder, the fiber bundle that vertical perforation is arranged in the cylinder, outside the hole of the ring flange of upper flange and lower flange stretched insulator, there was silicone rubber seal in the hole of stretching out the place.
Fiber bundle places the version in the cylinder to have two kinds, and first kind of mode is that a hole that vertically connects is arranged at the middle part of cylinder, and fiber bundle vertically places in the hole, and the two ends extension fills the epoxy resin that coagulating agent is completely arranged in the hole.The second way is that the side of cylinder has a groove that vertically connects, fiber bundle places bottom land, the length of the pipe of the two ends supported flange of groove is filled with silicon rubber or epoxy resin, the remainder of groove fills up the epoxy resin of coagulating agent, and the ring flange of upper flange and lower flange has the hole of stretching out for fiber bundle corresponding to the position of groove.In order not damage fiber bundle when the two ends of the cylinder crimping flange, the cross section of the two ends filled silicon rubber of groove or the groove at epoxy resin place enlarges, and the length of enlarged slot equals the length of the pipe of cylinder external compression flange.
The beneficial effects of the utility model are: replace in the prior art with glass fiber epoxy resin cylindrical rod and take up a series of epoxy resin tube strings with epoxy fibreglass cloth, designs simplification, technology is also simplified, be full of hole or groove with epoxy resin after arranging fiber bundle, it is fine and close that whole insulation is supported, wherein there is not air, so good insulation preformance.
Picture specification
Fig. 1 is the insulator structure schematic diagram of the fiber bundle centre bore that places the backfill resin.
Fig. 2 is the cylinder schematic diagram of the insulator of the fiber bundle groove that places the backfill resin.
Fig. 3 is the A-A planing surface.
Embodiment
Figure 1 shows that first kind of embodiment, it is the insulator in the fiber bundle centering hole, there is the hole 6 of vertical perforation at its inner epoxy resin cylinder 3 centers of gathering glass fiber, this hole can be to put a plug at the center drawing when annotating cylinder, the appearance of rod is coated with release agent, take out excellent core after annotating well and just form hole 6, in hole 6, penetrate fiber bundle 4, the two ends of every optical fiber of fiber bundle 4 will be numbered in advance, the two ends of fiber bundle are stretched out outside the hole, and the epoxy resin that is added with coagulating agent is filled with in hole 6, makes it to inject at normal temperatures and solidify, hole 6 is filled up, upper flange 1 and lower flange 2 all have one section pipe, are set in the two ends of cylinder 3, and the ring flange center is porose, fiber bundle is beyond this hole stretches last lower flange, and with silicon rubber or this hole of epoxy sealing.Use the forcing press mold pressing, steel pipe is pressed on the cylinder.Insulation shirt rim 5 at the outside of cylinder 3 compacting silicon rubber.
This insulator lower flange can be fixed on the framework of high-tension line or on the casing, upper flange body contact body, dress optical current sensing device in the housing, the optical current sensing device is serially connected in the high-tension line, optical fiber in the fiber bundle outside the optical fiber of optical current sensor and this insulator upper flange joins respectively, the optical fiber of optical current sensor is transferred to low-pressure end to the fiber bundle of light signal in insulator, for measuring and control usefulness.
Fig. 2 and Figure 3 shows that second kind of embodiment, be that fiber bundle places the insulator in the groove, only be at the side of cylinder 3 fluting 7 with first kind of execution mode difference, replace centre bore 6, a groove 7 that vertically connects is opened in side at the epoxy resin cylinder 3 of the glass fiber that vertically gathers, the length that the both ends of groove equal the pipe of suit supported flange is the groove that section enlarges, fiber bundle 4 is placed the bottom of groove, seal up silicon rubber or epoxy resin earlier in expansion place, with the epoxy resin that adds coagulating agent groove is filled up, all the other are with first kind of embodiment again.
Claims (4)
1, a kind of optical current mutual inductor insulator, comprise lower flange and the middle insulation stent body that has fiber bundle to connect, it is characterized in that: said insulation stent body is the epoxy resin cylinder (3) of the fine and close glass fiber that vertically gathers, the crimped outside of cylinder has the insulation shirt rim (5) of silicon rubber, upper flange (1) and lower flange (2) all have one section pipe to be set with and to be pressed on the two ends of cylinder (3), the fiber bundle (4) that has vertical layout to connect in the cylinder (3), outside the hole of upper flange (1) and lower flange (2) ring flange stretched insulator, there was silicone rubber seal in the hole of stretching out the place.
2, insulator according to claim 1, it is characterized in that: it is that a hole (6) that vertically connects is arranged at the middle part of cylinder (3) that fiber bundle (4) places the version in the cylinder (3), fiber bundle (4) vertically places in the hole, and the two ends extension is filled with the epoxy resin of coagulating agent in the hole.
3, insulator according to claim 1, it is characterized in that: it is that a groove (7) that vertically connects is arranged in the side of cylinder (3) that fiber bundle (4) places the version in the cylinder (3), fiber bundle (4) is arranged in trench bottom, the length of the pipe of the both ends supported flange of groove is filled with silicon rubber or epoxy resin, the remainder of groove fills up the epoxy resin of coagulating agent, and the ring flange of upper flange and lower flange has the hole of stretching out for fiber bundle in the position corresponding to groove (7).
4, insulator according to claim 3 is characterized in that: the cross section at the groove of the two ends filled silicon rubber of the groove (7) of the side of cylinder (3) or epoxy resin enlarges, and the length of enlarged slot equals the length of the pipe of cylinder external compression flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420115642 CN2777725Y (en) | 2004-11-17 | 2004-11-17 | Optical current transformer isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420115642 CN2777725Y (en) | 2004-11-17 | 2004-11-17 | Optical current transformer isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777725Y true CN2777725Y (en) | 2006-05-03 |
Family
ID=36745102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420115642 Expired - Fee Related CN2777725Y (en) | 2004-11-17 | 2004-11-17 | Optical current transformer isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777725Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034028B (en) * | 2007-02-09 | 2010-05-19 | 南京师范大学 | Fabry-Perotw fiber-optic pressure sensor and manufacture method therefor |
| CN102347121A (en) * | 2010-07-29 | 2012-02-08 | 江苏神马电力股份有限公司 | Fiber composite insulator and manufacture method thereof |
| CN102412034A (en) * | 2010-09-18 | 2012-04-11 | 江苏神马电力股份有限公司 | Optical fiber composite insulator |
| CN102646490A (en) * | 2012-04-28 | 2012-08-22 | 中国西电电气股份有限公司 | Optical fiber electric/electrician insulating material and insulator thereof and method for preparing optical fiber electric/electrician insulating material |
| CN102682935A (en) * | 2011-02-25 | 2012-09-19 | 洛克威尔自动控制技术股份有限公司 | Insulating support flange for current loop system |
| CN103258601A (en) * | 2010-09-18 | 2013-08-21 | 江苏神马电力股份有限公司 | Optical fiber composite insulator |
| CN103280277A (en) * | 2013-04-19 | 2013-09-04 | 江苏神马电力股份有限公司 | Flange for insulator |
-
2004
- 2004-11-17 CN CN 200420115642 patent/CN2777725Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034028B (en) * | 2007-02-09 | 2010-05-19 | 南京师范大学 | Fabry-Perotw fiber-optic pressure sensor and manufacture method therefor |
| CN102347121A (en) * | 2010-07-29 | 2012-02-08 | 江苏神马电力股份有限公司 | Fiber composite insulator and manufacture method thereof |
| CN102412034A (en) * | 2010-09-18 | 2012-04-11 | 江苏神马电力股份有限公司 | Optical fiber composite insulator |
| CN103258601A (en) * | 2010-09-18 | 2013-08-21 | 江苏神马电力股份有限公司 | Optical fiber composite insulator |
| CN102682935A (en) * | 2011-02-25 | 2012-09-19 | 洛克威尔自动控制技术股份有限公司 | Insulating support flange for current loop system |
| CN102682935B (en) * | 2011-02-25 | 2015-07-22 | 洛克威尔自动控制技术股份有限公司 | Insulating support flange for current loop system |
| CN102646490A (en) * | 2012-04-28 | 2012-08-22 | 中国西电电气股份有限公司 | Optical fiber electric/electrician insulating material and insulator thereof and method for preparing optical fiber electric/electrician insulating material |
| CN103280277A (en) * | 2013-04-19 | 2013-09-04 | 江苏神马电力股份有限公司 | Flange for insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |