CN203192550U - Insulator - Google Patents
Insulator Download PDFInfo
- Publication number
- CN203192550U CN203192550U CN 201320203939 CN201320203939U CN203192550U CN 203192550 U CN203192550 U CN 203192550U CN 201320203939 CN201320203939 CN 201320203939 CN 201320203939 U CN201320203939 U CN 201320203939U CN 203192550 U CN203192550 U CN 203192550U
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- CN
- China
- Prior art keywords
- insulator
- insulated tube
- gap
- line body
- optical fiber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an insulator which comprises a hollow insulating tube, sheds disposed on the outer side of the insulating tube, and wire bodies located in the insulating tube, wherein a nonconductor is disposed in the insulating tube in the axial direction, a gap is formed between the insulating tube and the nonconductor in the radial direction, and the wire bodies, which are located in the gap, pass through the gap and then go out from two ends of the insulating tube. The utility model also relates to a preparation method for the insulator. The wire bodies can be inserted into the gap after injection moulding of the sheds, so that the problems of fiber loss, fiber coating falling off and fiber fracture and the like, generated due to high temperature and high voltage, can be solved.
Description
Technical field
The utility model relates to a kind of insulator, particularly relates to a kind of optical fiber insulator that is used in the power transmission and transformation test.
Background technology
The method of traditional high-voltage current measurement is to utilize to measure electric current based on the electromagnetic transformer of electromagnetic induction principle, but along with the continuous increase of power capacity, the continuous rising of electric pressure, traditional electromagnetic transformer presents a unsurmountable difficult problem.In big capacity, ultrahigh voltage power system, traditional electromagnetic transformer can cause the phenomenon of the serious distortion of measurement result.But because Optical Fiber Transmission current signal efficiency of transmission height, stable performance, measurement are accurate, so traditional electromagnetic current transducer is replaced by the optical fiber instrument transformer based on optical principle gradually.In this optical fiber instrument transformer, optical fiber is being born the task of transmitting signal.Be subjected to the interference of external signal for fear of the signal of Optical Fiber Transmission, optical fiber needs composite insulator to provide external insulation for this optical fiber in the transmission current signal process.
Existing optical fiber insulator is earlier optical fiber to be plugged in the insulated tube of this optical fiber composite insulator, organic insulating material is poured in fixes this optical fiber in the insulated tube then, and is last again at the outside of this insulated tube injection moulding full skirt.Can there be following defective in the optical fiber insulator of making like this: must before adding connector optical fiber be inserted insulated tube and also fix, because it is bigger as the difference of thermal expansion coefficients between organic insulating material, insulated tube and the optical fiber of sealing perfusion, when therefore the full skirt moulding is injected in heating, the thermal expansion meeting of organic insulating material makes and forms stress in the hollow insulator body, thereby the loss of optical fiber is increased.Simultaneously, when comprising the integral body heating of the optical fiber that passes this hollow insulated tube owing to handle, can make the cladding of optical fiber peel off, thereby make optical fiber rupture easily, finally produce underproof optical fiber insulator.
In addition, cause is the development need of intelligent grid in recent years, more and more require the properties of product integration, integration as column type circuit breaker and optical fiber insulator, the integration of capacitor and optical fiber insulator, the integration of isolating switch and optical fiber insulator etc., and composite insulator is being undertaken the responsibility of integrating each equipment from the external insulation aspect as the appointment insulator of intelligent grid, but so-called integration of present stage only rests on each equipment and uses same support, does not use the precedent of same insulating part.
The utility model content
Technical problem to be solved in the utility model is, a kind of insulator is provided, and adds and can reduce fibre loss man-hour.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is as follows: a kind of composite insulator, the line body that it comprises hollow insulated tube, is arranged at the full skirt in the insulated tube outside and is positioned at insulated tube; Wherein, described insulated tube inner shaft is to being provided with insulator, and directly upwards there are the gap in described insulated tube and described insulator, and the two ends from described insulated tube after described optical fiber is positioned at above-mentioned gap and runs through above-mentioned space pass.
By between insulated tube and insulator, the gap being set, the line body is arranged in the above-mentioned gap, thereby above-mentioned line body can be installed after the full skirt setting again, produce when avoiding the above-mentioned full skirt of high temperature injection that fibre loss, optical fibre packages coating come off, the problem of fibercuts.
Preferably, described insulated tube and the coaxial setting of described insulator.
Preferably, described insulator is hollow.By insulator is processed as hollow-core construction, composite insulator of the present utility model can be processed into other products as one of composition, as column type circuit breaker, capacitor and isolating switch etc., thereby realize the integration of product, satisfy the growth requirement of intelligent grid.
Preferably, the lateral cross section in described gap ringwise.
Preferably, described line body is wound in the outside of described insulator.
Preferably, described insulated tube has axis, and described line body is parallel to described axis setting.
Preferably, be filled with insulating material in the described gap, described insulating material is any in insulation gas, insulating oil or the solid insulation.
Preferably, the material of described insulated tube and insulator is any in fiberglass, pottery or the glass.
Preferably, the two ends of described insulated tube are separately installed with connector, and the two ends of described line body pass from described connector respectively.
Description of drawings
Structure of the present utility model and mode of operation and further purpose and advantage will be understood better by the description below in conjunction with accompanying drawing, wherein, and identical designated components identical:
Fig. 1 is the structural representation of the utility model insulator that preferred implementation provides.
Fig. 2 is the view in transverse section of insulator shown in Figure 1.
Embodiment
As requested, will disclose embodiment of the present utility model here.Yet, should be understood that disclosed execution mode only is exemplary of the present utility model here, it can be presented as various forms.Therefore, here the detail of Pi Luing is not considered to restrictive, and only be differently to use representational basis of the present utility model as the basis of claim and as being used for instruction those skilled in the art in any appropriate mode of reality, comprise employing disclosed various features and in conjunction with the feature that may clearly not disclose here here.
For the utility model is further described, lifts a preferred embodiment and conjunction with figs. and be described in detail as follows:
Insulator of the present utility model can be composite insulator, also can be the insulator of pottery or glass material.Please refer to Fig. 1, the structural representation of a kind of insulator that it provides for the utility model preferred implementation is specially a kind of optical fiber composite insulator 100.This optical fiber composite insulator 100 comprises hollow insulated tube 1, be axially disposed within insulator 2 in the hollow insulated tube 1, be coated on the full skirt 3 in hollow insulated tube 1 outside.There are gap 4 diametrically in insulated tube 1 and insulator 2, and at least one line body 5 is positioned at above-mentioned gap 4.The two ends of insulated tube 1 are respectively arranged with connector 6, by connector 6, insulator 2 relative insulated tubes 1 are fixedly installed.After above-mentioned line body 5 runs through gap 4, pass from the connector 6 at insulated tube 1 two ends.The line body 5 of the utility model insulator can be transfer elements such as optical fiber, optical cable or lead, and in the present embodiment, line body 5 is specially optical fiber.
Insulated tube 1 and insulator 2 coaxial settings, both are the Wrapping formed cylindrical glass steel pipe of hollow-core construction, by as the glass fiber yarn of reinforcing material with basis material is compound is entwined.Above-mentioned basis material can be epoxy resin, vinyl ester resin, or polyurethane resin.In the present embodiment, described basis material is epoxy resin.In twining oxidation glass reinforced plastic pipe forming process, epoxy resin adhesive liquid can produce a series of physics, chemical change with glass fiber yarn, forms epoxy resin cured product.This epoxy resin cured product forms the boundary layer of structure and superior performance between epoxy resin adhesive liquid and glass fiber yarn, this boundary layer is combined into an integral body to glass fiber yarn and epoxide-resin glue, and the hollow insulated tube that makes glass fiber yarn and epoxide-resin glue support has good electric property.Above-mentioned glass fiber yarn can be the uninterrupted organdy of alkali-free, and this glass fiber yarn duty core insulation pipe total weight 70%.The insulated tube and the insulator that are appreciated that the utility model insulator also can adopt materials such as pottery, glass, and wherein, insulator 2 also can be processed into solid.
Two connectors 6 are installed in the two ends of insulator 1 respectively, and connector 6 is specially flange in the present embodiment, can whole insulator be installed by connector 6 to be connected on the external equipment.Hollow insulated tube 1 is connected with connector 6 respectively with the mode of insulator 2 by mucilage binding, thereby insulator 2 axially is fixedly installed on the inside of insulated tube 1.In addition, connector 6 is provided with the through hole 61 that can allow line body 5 pass, and after line body 5 ran through gap 4, two ends passed from through hole 61 respectively.
In the present embodiment, line body 5 is specially optical fiber, optical fiber be a kind of utilize light in the fiber that glass or plastics are made total reflection principle and the instrument of the light conduction of reaching, fine optical fiber is encapsulated in the plastic sheath, makes that optical fiber can be crooked and be unlikely to fracture.Optical fiber in the present embodiment is to transmit the electric current of electrical network and information of voltage, and optical fiber can be divided into multimode and monomode fiber.The diameter of monomode fiber is very little, can only transmit with single-mode in given operation wavelength, and transmission frequency bandwidth, transmission capacity is big.Multimode fiber is the optical fiber that can transmit simultaneously with a plurality of patterns on given wavelength.Compare with monomode fiber, the transmission performance of multimode fiber is relatively poor.Optical fiber in the present embodiment is a root multimode fiber.Can expect it being needs according to practical measurement signals, number of fibers and kind can be determined as required.
For static line body 5 better, further be filled with insulating material 7 in the gap 4.Insulating material 7 can be organic insulating material, can be in insulation gas, insulating oil or the solid insulation any.Insulating material 7 in the present embodiment is specially silicon rubber, in the process that silicon rubber pours into, makes gap 4 be in vacuum state, thereby makes the silicon rubber after the curing not have bubble, forms a bubble-free silicon rubber solid.
By between insulated tube 1 and insulator 2, gap 4 being set, line body 5 is arranged in the above-mentioned gap 4, thereby can after full skirt 3 arranges, above-mentioned line body 5 be installed again, when avoiding the above-mentioned full skirt 3 of high temperature injection generation fibre loss, optical fibre packages coating come off, the problem of fibercuts.
In addition, hollow owing to insulator 2 is arranged to, can handle the inside of insulator 2, satisfy distinct device user demands such as capacitor, lightning arrester, column type circuit breaker with realization oil resistant, high temperature resistant, corrosion-resistant etc.By with insulator of the present utility model as one of element, form other products, as column type circuit breaker, capacitor and isolating switch etc., be incorporated on the insulator as distinct device, realized intelligent product, land area is littler, environment is more friendly etc.
The manufacture method of optical fiber composite insulator 100 may further comprise the steps in the above-mentioned execution mode:
(a) provide hollow insulated tube 1, than the insulator of the little 20mm of hollow insulated tube 1 diameter, two connectors 6 and single line body 5;
(b) provide an injector that is used for high temperature, high-pressure injection sulphurated siliastic, colloid-injecting gun and an air extraction machine that is used for extracting air that is used for organic insulating material 7 is poured into hollow insulated tube 1;
(c) hollow insulated tube 1 is put into described injector, open injector then, high-temperature vulcanized silicon is expelled to described hollow insulated tube 1 outer surface is coated on full skirt 3 on the hollow insulated tube 1 with formation;
(d) insulator 2 is put into hollow insulated tube 1, and made hollow insulated tube 1 and insulator 2 coaxial settings, then above-mentioned connector 6 is connected to the end of hollow insulated tube 1 and insulator 2;
(e) in the gap 4 that above-mentioned line body 5 is inserted between hollow insulated tube 1 and the insulator 2, and make line body 5 be parallel to the axis setting of hollow insulated tube 1;
(f) above-mentioned air extraction machine is connected to the end in gap 4, the other end of colloid-injecting gun joint gap 4; Open the air extraction machine and extract air in the above-mentioned gap 4, make described gap 4 be in vacuum state, open colloid-injecting gun organic insulating material 7 is expelled in the gap 4, treat that organic insulating material 7 is full of above-mentioned whole gap 4, closes air extraction machine and colloid-injecting gun;
(g) solidify organic insulating material 7 to line body 5 and fixed to form optical fiber composite insulator 100 by organic insulating material 7 fully.
In the process of organic insulating material 7 injections, organic insulating material 7 is in the normal temperature state, and therefore, fibre loss, the optical fibre packages coating that produces owing to high temperature injection comes off, the problem of fibercuts can not take place.
Technology contents of the present utility model and technical characterstic have disclosed as above; yet be appreciated that; under creative ideas of the present utility model; those skilled in the art can make various changes and modifications to said structure and material; comprise here disclosing separately or the combination of claimed technical characterictic, comprise other combination of these features significantly.These distortion and/or combination all fall in the related technical field of the utility model, and fall into the protection range of the utility model claim.It should be noted that by convention, use discrete component to be intended to comprise one or more such elements in the claim.In addition, any reference marker in claims should be configured to limit scope of the present utility model.
Claims (9)
1. insulator, the line body that it comprises hollow insulated tube, is arranged at the full skirt in the insulated tube outside and is positioned at insulated tube, it is characterized in that: described insulated tube inner shaft is to being provided with insulator, directly upwards there are the gap in described insulated tube and described insulator, and the two ends from described insulated tube after described line body is positioned at above-mentioned gap and runs through above-mentioned gap pass.
2. insulator as claimed in claim 1 is characterized in that: described insulated tube and the coaxial setting of described insulator.
3. insulator as claimed in claim 1, it is characterized in that: described insulator is hollow.
4. insulator as claimed in claim 1, it is characterized in that: the lateral cross section in described gap ringwise.
5. insulator as claimed in claim 4, it is characterized in that: described line body is wound in the outside of described insulator.
6. insulator as claimed in claim 1, it is characterized in that: described insulated tube has axis, and described line body is parallel to described axis setting.
7. insulator as claimed in claim 1 is characterized in that: be filled with insulating material in the described gap, described insulating material is any in insulation gas, insulating oil or the solid insulation.
8. insulator as claimed in claim 1, it is characterized in that: the material of described insulated tube and insulator is any in fiberglass, pottery or the glass.
9. insulator as claimed in claim 1, it is characterized in that: the two ends of described insulated tube are separately installed with connector, and the two ends of described line body pass from described connector respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203939 CN203192550U (en) | 2013-04-19 | 2013-04-19 | Insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320203939 CN203192550U (en) | 2013-04-19 | 2013-04-19 | Insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203192550U true CN203192550U (en) | 2013-09-11 |
Family
ID=49109389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320203939 Withdrawn - After Issue CN203192550U (en) | 2013-04-19 | 2013-04-19 | Insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203192550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247398A (en) * | 2013-04-19 | 2013-08-14 | 江苏神马电力股份有限公司 | Insulator |
-
2013
- 2013-04-19 CN CN 201320203939 patent/CN203192550U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247398A (en) * | 2013-04-19 | 2013-08-14 | 江苏神马电力股份有限公司 | Insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20160427 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |