CN201765357U - High-voltage insulation optical fiber post - Google Patents
High-voltage insulation optical fiber post Download PDFInfo
- Publication number
- CN201765357U CN201765357U CN2010202425395U CN201020242539U CN201765357U CN 201765357 U CN201765357 U CN 201765357U CN 2010202425395 U CN2010202425395 U CN 2010202425395U CN 201020242539 U CN201020242539 U CN 201020242539U CN 201765357 U CN201765357 U CN 201765357U
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- Prior art keywords
- optical fiber
- hollow insulated
- hollow
- insulated conduit
- insulated pipe
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Abstract
The utility model discloses a high-voltage insulation optical fiber post. The high-voltage insulation optical fiber post comprises a set of optical fibers, a hollow insulated pipe, a hardware fitting, and an equalizing ring. The hollow insulated pipe comprises a hollow pipe made of epoxy material and an outer insulating layer made of organic composite material, and metal flanges are arranged at the two ends the hollow insulated pipe. The optical fibers are arranged inside the hollow insulated pipe and are sequentially led out from the flanges at the two ends of the hollow insulated pipe through the hardware fitting and a corrugated pipe. The hardware fitting at least comprises an intermediate flange with an optical fiber hole and a glue injection hole and end sockets with outgoing fiber joints, wherein a corrugated pipe for holding optical fibers is led out from the outgoing fiber joints of the end sockets. Insulating compound is coated inside the hollow insulated pipe and on the outer peripheries of the optical fibers. The equalizing ring is arranged at the two ends of the hollow insulated pipe. By adopting the high-voltage insulation optical fiber post, the shortcomings in the prior art can be overcome, and the high-quality optical communication and optical energy transmission can be conducted by virtue of optical fibers.
Description
Technical field
The utility model belongs to the high voltage and insulation technology field, also can be under the jurisdiction of optical communication field, relates in particular to a kind of high-voltage insulated optical fiber cylinder.
Background technology
The optical fiber cylinder of existing more domestic manufacturer production is mainly used in equipment such as electronic mutual inductor, the optical fiber radical is fewer, generally have only several optical fiber, it on the structure cutting on epoxy rods, optical fiber is imbedded in the groove, and then outside epoxy rods, add organic combined insulated material, perhaps epoxy rods is put into insulating cylinder and then filled megohmite insulant.The defective that the optical fiber cylinder of this structure exists is: insulating property are poor, and optical loss is big, processed complex, and yield rate is low, and serviceable life is short, and the built-in fiber limited amount.
In recent years, mend in the engineering at string, the optical fiber cylinder that provided by offshore company also has been provided, its general structure is caught up with and is stated similar.
From calendar year 2001, Chinese DianKeYuan high pressure institute (Beijing Fuan Electric Equipment Co.,Ltd) beginning independent research UHV (ultra-high voltage) transmission line of alternation current controlled series compensation set of equipments.Wherein, optical fiber cylinder is one of string benefit equipment that needs production domesticization.
In the series compensation system, there is the portions of electronics module to carry out real-time communication on the series compensation platform with ground.Because platform is connected with transmission line of electricity, is in noble potential when normally moving, electric signal can not be directly used in the communication on platform and ground, and present optimal mode is to use light signal.The passage that optical fiber cylinder transmits between platform and ground as light signal, must satisfy two conditions at least: the one, light loss is little, and the 2nd, the withstand voltage level height.
Some circuit module need use laser to its energy supply in the series compensation system from ground.The optical fiber of transmission laser energy is easier to be more excessive because of external force effect losses such as bending or extruding than common communication optical fiber, if structural design is unreasonable, laser send energy efficiency to reduce greatly.In addition, string is mended with optical fiber cylinder and is required built-in tens communication optical fibers and send energy optical fiber, and this design and manufacturing process to optical fiber cylinder is had higher requirement.
Because domestic do not have ripe being suitable for to go here and there to mend the optical fiber cylinder product that engineering is used, therefore can only carry out independent development.
Summary of the invention
The purpose of this utility model provides a kind of high-voltage insulated optical fiber cylinder, and it can overcome the defective of prior art, and the high-quality optical fiber that utilizes carries out optical communication and light delivery, to satisfy optical communication and the light delivery that is implemented in the ultra-high/extra-high voltage electric system.
For achieving the above object, the utility model is taked following design proposal:
A kind of high-voltage insulated optical fiber cylinder includes one group of optical fiber, also includes a hollow insulated conduit; Hollow insulated conduit two ends are connected with gold utensil, and this gold utensil comprises that at least a counter flange and has the end socket of fiber interface; Draw a corrugated tube that is used to place optical fiber by the fiber interface of each end socket; A pair of grading ring is placed on place, the nearly two ends of hollow insulated conduit; Described one group of optical fiber places in the hollow insulated conduit, and draw through transition flange, end socket and corrugated tube successively from hollow insulated conduit at the two ends of this group optical fiber.
In hollow insulated conduit, fill the insulative paste that can wrap optical fiber.
Described hollow insulated conduit adopts the hollow insulated conduit of organic composite material external insulation, and the configuration of this hollow insulated conduit has arcing distance and creepage distance structure.
Described counter flange has optical fiber through hole and hole for injecting glue.
Described arcing distance (air insulation distance) is meant that insulated conduit is in the bee-line that normally has space outerpace between two metal parts of working voltage.
Described creepage distance is meant at insulated conduit and normally applies between the conductive component of working voltage bee-line or bee-line sum along its outside surface.
The utility model high-voltage insulated optical fiber cylinder is to utilize optical fiber to carry out optical communication and light delivery, and the optical fiber cylinder two ends can tolerate very high voltage.The optical fiber cylinder that design of the present utility model make to be made possesses the ability that realizes optical communication and light delivery in the ultra-high/extra-high voltage electric system between the noble potential and electronegative potential, can realize communicating by letter and send the energy function between series compensation platform and the Ground Control chamber.
The utility model has the advantages that: structurally have than big difference with existing product, can improve the insulating property and the serviceable life of optical fiber cylinder greatly, reduce optical loss and simplified processing process greatly, improved the yield rate of product, and built-in fiber quantity is unrestricted.It is firm in structure that this optical fiber cylinder designs, and can realize that multi-path laser send energy and multichannel data communication, and customization is free, easy for installation.
Description of drawings
Fig. 1 is the utility model high-voltage insulated optical fiber cylinder structural representation.
Fig. 2 is an A-A cross-sectional view (axial section) among Fig. 1.
Fig. 3 is an I portion structure for amplifying synoptic diagram (forward sectional view) among Fig. 1.
Fig. 4 is an II portion structure for amplifying synoptic diagram (forward sectional view) among Fig. 1.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, embodiment of the present utility model is described in detail below in conjunction with Fig. 1 to Fig. 4.
As Fig. 1, shown in Figure 3, the high-voltage insulated optical fiber cylinder that an embodiment of the present utility model provides mainly is made up of optical fiber 10, hollow insulated conduit 4, gold utensil and grading ring 9 etc.
The center section of the utility model high-voltage insulated optical fiber cylinder is the hollow insulated conduit 4 that can place one group of optical fiber in, and it is good that this conduit adopts epoxy material to be made as, and conduit is covered with outer insulating material outward, can be organic composite material.Referring to Fig. 2, Fig. 3, the hollow insulated conduit 4 that present embodiment adopts is made of hollow insulated conduit 42, the organic composite material external insulation 43 of epoxy material system, inner insulative paste 41 of filling the thickness flowable state, the insulative paste of this thickness flowable state can wrap optical fiber 10, existing insulating effect can play the firm effect of Denging again.
Both end sides at hollow insulated conduit 4 is with the grading ring of putting mutually at a pair of interval 9; Described grading ring 9 and end socket 1 are connected through bolt.
Described gold utensil mainly is interconnected to constitute by metal parts such as end socket 1, counter flange 2, corrugated tube 5, joints 6.Counter flange 2 has hole for injecting glue and optical fiber through hole, and itself and flange 3 interconnect, to realize being interconnected of corrugated tube 5 and hollow insulated conduit 4.
Referring to Fig. 4, it has mainly showed the structure of gold utensil end socket 1 in the present embodiment, has the inner chamber 15 that passes for optical fiber, and the exit is provided with an end socket joint 18, and the collar extension place of end socket joint 18 is provided with flexible pipe 19, and flexible pipe 19 penetrates corrugated tube 5.The part parts have sealing function.The shape that also can be other.
Specific implementation method is as follows:
Described optical fiber 10 passes in the middle of hollow insulated conduit 4; Optical fiber through hole from counter flange 2 passes again, simultaneously with fluid sealant 16 sealings and curing.Connect with bolt placing O-ring seal 17 backs between the flange 3 of hollow insulated conduit 4, the counter flange 2.Hole for injecting glue by counter flange 2 is injected insulative paste 41 in hollow insulated conduit 4, after lotion is filled with, be the slight positive pressure state sealing with air.
Consult Fig. 1, shown in Figure 4, put into O-ring seal 17 between described end socket 1 and the counter flange 2 after, be connected through bolts with the flange 3 of counter flange 2, hollow insulated conduit 4.
After described end socket joint 18 is inserted in sealing gasket, be connected with end socket 1; Corrugated tube 5 is inner to be connected through hollow nut with end socket 1, and corrugated tube 5 outer ends and joint 6 are connected through hollow nut; One flexible pipe 19 penetrates corrugated tube 5.
Described optical fiber 10 passes from end socket 1, penetrates flexible pipe 19 again, through corrugated tube 5, until passing from joint 6.
Part after described optical fiber 10 passes from joint 6 is called tail optical fiber 7, and is bonding and solidify with joint 6 behind the tail optical fiber 7 cover protecting pipes.
Described tail optical fiber 7 afterbodys are processed as the optic fibre end 8 of service form.
The external insulation of optical fiber cylinder is organic composite material external insulation 43 decisions by hollow insulated conduit 4, so the design of the configuration of hollow insulated conduit is unique, have air insulation distance (distance that promptly refers to 9 of two grading rings at hollow insulated conduit 4 two ends) and creepage distance structure (referring to the bee-line of the both sides gold utensil of hollow insulated conduit 4) along organic composite material external insulation 43 surperficial paths, by suitable selection air insulation distance and creepage distance, can satisfy the demand of ultra-high/extra-high voltage electric system and following various electric pressures.The insulative paste 41 of hollow insulated conduit inside has been served as the effect of insulation in the optical fiber cylinder.
Described optical fiber 10 is in free relaxed state when inserting hollow insulated conduit 4, can place a considerable amount of optical fiber like this, makes manufacturing process also relatively simple simultaneously.
Filled with insulative paste 41 in the hollow insulated conduit 4, counter flange 2 is used for insulative paste 41 is sealed in the hollow insulated conduit 4, and optical fiber through hole and hole for injecting glue are arranged on it, and all with the glue sealing, lotion can not flow out from the bottom when hanging.
The utility model high-voltage insulated optical fiber cylinder is connected (if desired) by corrugated tube 5 with the optical fiber transfer box, the length of corrugated tube 5 and tail optical fiber 7 can customize, optic fibre end 8 can be made various standard fiber termination according to operating position, also can be directly and the optical cable welding.
The utility model high-voltage insulated optical fiber cylinder can reduce the loss of optical fiber by good structural design and packaging technology, and optical fiber cylinder built-in fiber quantity is unrestricted, to realize the reliable transmission of large-scale data.
The hollow insulated conduit 4 of this high-voltage insulated optical fiber cylinder can be by changing its physical strength to realize fixed installation and to hang the different demands of installing.That is to say that this high-voltage insulated optical fiber cylinder generally is to hang to install, if strengthen the physical strength of hollow insulated conduit 4, can be used as the optical fiber insulation column, realizes the independent stationary installation.
This high-voltage insulated optical fiber cylinder is not only applicable to series compensation device, is applicable to the optical communication on high voltage platform, equipment and ground of the various electric pressures of high-voltage electric power system or the occasion of light delivery yet.
The various embodiments described above can not break away under the scope of the present utility model in addition some variations, thus above explanation comprises and accompanying drawing shown in structure should be considered as exemplary, but not in order to limit the protection domain that the utility model is applied for a patent.
Claims (5)
1. a high-voltage insulated optical fiber cylinder includes one group of optical fiber, it is characterized in that: also include a hollow insulated conduit;
Hollow insulated conduit two ends are connected with gold utensil, and this gold utensil comprises that at least a counter flange and has the end socket of fiber interface;
Draw a corrugated tube that is used to place optical fiber by the fiber interface of each end socket;
A pair of grading ring is placed on the place, nearly two ends of hollow insulated conduit;
Described one group of optical fiber places in the hollow insulated conduit, and draw through transition flange, end socket and corrugated tube successively from hollow insulated conduit at the two ends of this group optical fiber.
2. high-voltage insulated optical fiber cylinder according to claim 1 is characterized in that: fill the insulative paste that can wrap optical fiber in hollow insulated conduit.
3. high-voltage insulated optical fiber cylinder according to claim 1 is characterized in that: described hollow insulated conduit adopts the hollow insulated conduit of organic composite material external insulation.
4. high-voltage insulated optical fiber cylinder according to claim 3 is characterized in that: the configuration of described hollow insulated conduit has arcing distance and creepage distance structure.
5. high-voltage insulated optical fiber cylinder according to claim 1 is characterized in that: described counter flange has optical fiber through hole and hole for injecting glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202425395U CN201765357U (en) | 2010-06-21 | 2010-06-21 | High-voltage insulation optical fiber post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202425395U CN201765357U (en) | 2010-06-21 | 2010-06-21 | High-voltage insulation optical fiber post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201765357U true CN201765357U (en) | 2011-03-16 |
Family
ID=43717965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202425395U Expired - Lifetime CN201765357U (en) | 2010-06-21 | 2010-06-21 | High-voltage insulation optical fiber post |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201765357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636675A (en) * | 2012-04-28 | 2012-08-15 | 哈尔滨工业大学 | Extra-high voltage suspension type optical current transformer |
| WO2015103913A1 (en) * | 2014-01-10 | 2015-07-16 | 国家电网公司 | Integrated high-voltage insulation optical fibre column |
-
2010
- 2010-06-21 CN CN2010202425395U patent/CN201765357U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636675A (en) * | 2012-04-28 | 2012-08-15 | 哈尔滨工业大学 | Extra-high voltage suspension type optical current transformer |
| WO2015103913A1 (en) * | 2014-01-10 | 2015-07-16 | 国家电网公司 | Integrated high-voltage insulation optical fibre column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110316 |
|
| CX01 | Expiry of patent term |