CN207038262U - A kind of electronic current mutual inductor and its optical fiber composite insulator - Google Patents
A kind of electronic current mutual inductor and its optical fiber composite insulator Download PDFInfo
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- CN207038262U CN207038262U CN201720784373.1U CN201720784373U CN207038262U CN 207038262 U CN207038262 U CN 207038262U CN 201720784373 U CN201720784373 U CN 201720784373U CN 207038262 U CN207038262 U CN 207038262U
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- optical fiber
- insulator
- fiber composite
- composite insulator
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Abstract
The utility model discloses a kind of electronic current mutual inductor and its optical fiber composite insulator.The optical fiber composite insulator includes gold utensil, insulator core, full skirt and optical fiber.The electronic current mutual inductor includes high voltage sensing head, low-voltage ground part, signal processing module and above-mentioned optical fiber composite insulator.Optical fiber composite insulator provided by the utility model, helicla flute insertion insulator core of the optical fiber along insulator core external surface, the helical structure reduces the risk that optical fiber is stretched caused by different materials shrinkage factor difference, the problem of appearance disconnects, damages and cause optical fiber obstructed or increase is lost is avoided, influences optical fiber service life.By full skirt of the inwall on insulator core, prevent interface and space and bubble occur, improve the electric property under optical fiber composite insulator long-term use.
Description
Technical field
High-Voltage Electrical Appliances field is the utility model is related to, specially a kind of electronic current mutual inductor and its optical fiber composite insulated
Son.
Background technology
Electronic current mutual inductor includes high-pressure-side sensing head, composite insulator, base, signal processing module etc..Generally
In the case of, sensing head is collected after current signal, it is necessary to the signal of collection is sent to low-pressure side from high-pressure side, and optical fiber is must can not
Few equipment, therefore, insulator core and optical fiber are become one as one of electronic current mutual inductor application study
Emphasis problem.
Among prior art, it is typically employed in composite insulator core body axis position and opens a through hole, optical fiber passes through from hole
And the manufacture of optical fiber composite insulator is realized with inorganic sealed insulating material cast method therein, but this type optical fiber is exhausted
The insulating materials of filling shrinkage factor under various circumstances and the shrinkage factor of insulator core are inconsistent inside edge, so as to cause
Therebetween there is interface, inside may occur for product along interface flashover after putting into operation for a long time, so as to cause electrical hazard.Separately
Outside, during long-term use, insulator can be deformed upon this type optical fiber insulator by external force effect, in the case,
Optical fiber will the continual power of being stretched, long-play can cause fiber transmission attenuation, extinction ratio etc. performance indications
Reduce, so as to influence product quality.In addition, when insulator is the longer suspension insulator period of the day from 11 p.m. to 1 a.m, in optical fiber composite insulator core body
Fit clearance very little between portion's through hole, optical cable, fill insulant three, the bubble in through hole be difficult exclude it is clean, for a long time
Internal breakdown flashover is easily caused after operation.Therefore, existing fiber composite insulator structure is improved, lifts optical fiber insulator
Performance is particularly necessary.
Utility model content
For problems of the prior art, the utility model provides a kind of electronic current mutual inductor and its optical fiber and answered
Insulator is closed, manufacture assembling is easy, service life length.
The utility model is to be achieved through the following technical solutions：
A kind of optical fiber composite insulator, including gold utensil, insulator core, full skirt and optical fiber；
The both ends of the insulator core are connected to gold utensil, and optical fiber perforation is provided with gold utensil；
Helicla flute is provided with the outer surface of the insulator core, optical fiber is wrapped in insulator core appearance along helicla flute
On face, the both ends of optical fiber are each passed through the optical fiber perforation on the gold utensil at the both ends of insulator core；
The full skirt is arranged on the outer surface of insulator core, and between the gold utensil at insulator core both ends,
Full skirt is fixed on insulator core.
Preferably, in addition to mucilage binding binding agent, the mucilage binding binding agent are painted in the helicla flute on insulator core, are used
Optical fiber in fixed helicla flute；Mucilage binding binding agent is marked with optical fiber perforation on the gold utensil.
Preferably, the connected mode of insulator core and gold utensil is mucilage binding.
Preferably, insulator core uses epoxy glass fiber reinforced plastic cylinder or expoxy glass rod iron.
Preferably, described optical fiber uses single-mode fiber or multimode fibre or polarization maintaining optical fibre.
Preferably, the full skirt inwall is adhesively fixed by coupling agent and insulator core.
Preferably, described gold utensil is using column support type or the corresponding gold utensil of suspended compound insulator.
A kind of electronic current mutual inductor, including high voltage sensing head, low-voltage ground part, signal processing module and above-mentioned
Any one optical fiber composite insulator；
The high voltage sensing head connects with one end of optical fiber, and signal processing module connects with the other end of optical fiber；
The optical fiber composite insulator upper end connects high voltage sensing head, and lower end is fixed on low-voltage ground part.
Preferably, the high voltage sensing head is Rogowski coil or low-power consumption coil or optical sensing head.
Compared with prior art, the utility model has technique effect beneficial below：
Optical fiber composite insulator provided by the utility model, helicla flute insertion insulation of the optical fiber along insulator core external surface
Sub- core body, the helical structure reduce the risk that optical fiber is stretched caused by different materials shrinkage factor difference, avoided
Occur the problem of disconnecting, damaging and cause optical fiber obstructed or increase is lost, influenceing optical fiber service life.By inwall embedded in exhausted
Full skirt on edge core body, prevent interface and space and bubble occur, improve the electrical resistance under optical fiber composite insulator long-term use
Energy；
Further, insulator core is connected with gold utensil by mucilage binding, both ensure that the reliability of connection also ensure that company
The sealing connect；
Further, because full skirt uses fluid silicone rubber, fluid silicone rubber curing temperature is relatively low, during shaping pressure compared with
It is small, good fluidity, it is easy to fill die cavity, avoids interface and space and bubble occur, the influence to optical fiber and insulator core is small,
Improve the electric property under optical fiber composite insulator long-term use.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of optical fiber composite insulator provided by the utility model；
Fig. 2 is a kind of schematic diagram of electronic current mutual inductor provided by the utility model.
In figure：1. high voltage sensing head, 2. optical fiber composite insulators, 3. low-voltage ground parts, 4. signal processing modules；21.
Gold utensil, 22. full skirts, 23. insulator cores, 24. optical fiber.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, it is described be to it is of the present utility model explanation and
It is not to limit.
A kind of electronic current mutual inductor of the utility model, including high voltage sensing head 1, optical fiber composite insulator 2, low pressure connect
Ground part 3 and signal processing module 4.Electronic current mutual inductor from use occasion can be AC current transformer, can also
It is DC current transformer；Can be active electronic current mutual inductor or passive optical from structure type
Current transformer, active electronic current mutual inductor high voltage sensing head 1 is interior to set Rogowski coil, low-power consumption coil, or shunting
Device, the signal entering signal acquisition module of measurement；Optical sensing is set in passive optical current transformer high voltage sensing head 1
Ring.
Optical fiber composite insulator 2 is column support type or suspended compound insulator, including gold utensil 21, full skirt 22, insulator core
23rd, optical fiber 24, the signal that high voltage sensing head 1 measures are transferred at signal by the Transmission Fibers 24 in optical fiber composite insulator 2
Manage module 4；Wherein, gold utensil 21 can change according to the species of insulator and be designed as column support type or suspended compound insulator
Gold utensil.
The outside of insulator core 23 is machined with helicla flute, and optical fiber 24 is arranged along the outer helical groove of insulator core 23, cast
Between full skirt 22 and insulator core 23.Insulator core 23 can be epoxy glass fiber reinforced plastic cylinder, or fiber glass epoxy
Rod.
Optical fiber 24 can be general single mode, multimode fibre or optical measurement polarization maintaining optical fibre.Optical fiber 24 can be as needed
From the diverse location outlet of gold utensil 21.The top of optical fiber 24 part of appearing is connected into high voltage sensing head 1 with the signal that sensing head senses,
Lower end is appeared partly to be connected with signal processing module 4.
Full skirt 22 can use liquid glue or solid gum.When optical fiber composite insulator 2 is suspended compound insulator, several sections of light
Fine composite insulator 2 can connect into foldable optical fiber composite insulator by folding device.
Specific as follows, Fig. 1 is a kind of signal of optical fiber composite insulator according to an exemplary embodiment
Figure, as shown in figure 1, the optical fiber composite insulator includes：Gold utensil 21, insulator core 23, full skirt 22 and optical fiber 24；Insulator core
The both ends of body 23 are connected to gold utensil 21, and optical fiber perforation is provided with gold utensil 21；Set on the outer surface of insulator core 23
There is helicla flute, optical fiber 24 is wrapped in the helicla flute on the outer surface of insulator core 23, and the both ends of optical fiber 24 are each passed through insulation
Optical fiber perforation on the gold utensil 21 at the both ends of sub- core body 23；Full skirt 22 is arranged on the outer surface of insulator core 23, and position
Between the gold utensil 21 at the both ends of insulator core 23, the inwall of full skirt 22 is on insulator core 23.
Optionally, the optical fiber composite insulator also includes mucilage binding binding agent, and mucilage binding binding agent is painted on insulator core 23
On helicla flute in, for fixing the optical fiber 24 in helicla flute, and prevent impurity enter helicla flute in；Optical fiber on gold utensil 21
Mucilage binding binding agent is marked with perforation.
The connected mode of insulator core 23 and gold utensil 21 is mucilage binding, and the sealing of connection is should ensure that during mucilage binding,
Certainly insulator core 23 and gold utensil 21 can also be tightly connected by other means in actual applications.
Wherein, insulator core 23 can be epoxy glass fiber reinforced plastic cylinder or expoxy glass rod iron or ceramics etc. other
Material, the utility model are not especially limited to this.
Optical fiber 24 can be general single mode fiber or common multimode fibre or optical measurement polarization maintaining optical fibre.
The inwall of full skirt 22 is connected by coupling agent and insulator core 23, the material of full skirt 22 can be fluid silicone rubber or
Solid silicone rubber, wherein, fluid silicone rubber curing temperature is relatively low, and pressure is smaller during shaping, good fluidity, is easy to fill die cavity,
Avoid interface and space and bubble occur, the influence to optical fiber and insulator core is small, and improve optical fiber composite insulator makes for a long time
Electric property under.
Wherein, optical fiber composite insulator 2 is realized as follows to the integrated work flow of composite insulator and optical fiber：
1) insulator core 23 uses alkali-free glass fibre material, is wound in the upper outer circumference face of insulator core 23 along optimal
Angle processes helicla flute；
2) in a number of winding process of optical fiber 24, by controlling temperature, humidity, dustless winding, blend compounds dress are carried out
Optical fiber is fixed in helicla flute by binding agent, avoids impurity etc. from being cast in full skirt 22；
3) opened the light fine perforation in gold utensil 21, by optical fiber 24 from gold utensil optical fiber perforate through, by gold utensil 21 and the mucilage binding of core body 23,
Mucilage binding binding agent is adequately mixed, and carries out application of vacuum, controls the temperature and speed of injecting glue, eliminates the bubble of binding agent, to protect
Mucilage binding intensity is demonstrate,proved, while carries out the protection of optical fiber, the sealing of fiber outlet；
4) insulator core 23 for being wound with optical fiber 24, mucilage binding gold utensil 21 is placed in die cavity, in full skirt 22 and core body
23rd, between optical fiber 24, from suitable coupling agent, by pre-processing, protecting, given process parameter is set, using high-temperature vulcanized silicon
Rubber forming device, the shaping of full skirt 22 is completed, in forming process, ensure that silicon rubber and core body 23 are abundant using the pressure specified
Coupling, the gas between full skirt 22 and insulator core 23, optical fiber 24, bubble are extruded, avoid interface from space and bubble occur, is protected
Demonstrate,prove bond effect, it is ensured that electric property.
When the length of optical fiber composite insulator 2 is longer, several sections shorter of optical fiber composite insulator 2 can be filled by folding
Put and be sequentially connected, be designed as foldable optical fiber composite insulator.
Fig. 2 is a kind of schematic diagram of electronic current mutual inductor according to an exemplary embodiment, as shown in Fig. 2
The electronic current mutual inductor includes：High voltage sensing head 1, low-voltage ground part 3, signal processing module 4 and the utility model are real
The either fiber composite insulator 2 of example offer is provided；
High voltage sensing head 1 connects with one end of optical fiber 24, and signal processing module 4 connects with the other end of optical fiber 24；Optical fiber
The lower end and low-voltage ground part 5 of composite insulator 2 connect.The wherein connection of optical fiber composite insulator 2 and low-voltage ground part 5
Mode can be bolt connection.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific embodiment of the present utility model is only limitted to this, for the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should be all considered as
Belong to the utility model and determine scope of patent protection by the claims submitted.
Claims (9)
1. a kind of optical fiber composite insulator, it is characterised in that including gold utensil (21), insulator core (23), full skirt (22) and light
Fine (24)；
The both ends of the insulator core (23) are connected to gold utensil (21), and optical fiber perforation is provided with gold utensil (21)；
Helicla flute is provided with the outer surface of the insulator core (23), optical fiber (24) is wrapped in insulator core along helicla flute
(23) on outer surface, the optical fiber that the both ends of optical fiber (24) are each passed through on the gold utensil (21) at the both ends of insulator core (23) is worn
Hole；
The full skirt (22) is arranged on the outer surface of insulator core (23), and positioned at the gold at insulator core (23) both ends
Between having (21), full skirt (22) is fixed on insulator core (23).
2. a kind of optical fiber composite insulator as claimed in claim 1, it is characterised in that also including mucilage binding binding agent, the glue
Dress binding agent is painted in the helicla flute on insulator core (23), for fixing the optical fiber in helicla flute (24)；The gold utensil
(21) mucilage binding binding agent is marked with the optical fiber perforation on.
3. a kind of optical fiber composite insulator as claimed in claim 1, it is characterised in that insulator core (23) and gold utensil (21)
Connected mode be mucilage binding.
4. a kind of optical fiber composite insulator as claimed in claim 1, it is characterised in that insulator core (23) uses epoxy glass
Glass steel cylinder or expoxy glass rod iron.
5. a kind of optical fiber composite insulator as claimed in claim 1, it is characterised in that described optical fiber (24) uses single-mode optics
Fine or multimode fibre or polarization maintaining optical fibre.
6. a kind of optical fiber composite insulator as claimed in claim 1, it is characterised in that full skirt (22) inwall passes through coupling
Agent and insulator core (23) are adhesively fixed.
7. a kind of optical fiber composite insulator as claimed in claim 1, it is characterised in that described gold utensil (21) uses column support type
Or the corresponding gold utensil of suspended compound insulator.
8. a kind of electronic current mutual inductor, it is characterised in that including high voltage sensing head (1), low-voltage ground part (3), signal
Optical fiber composite insulator (2) described in processing module (4) and claim 1-6 any one；
The high voltage sensing head (1) connects with one end of optical fiber (24), and the other end of signal processing module (4) and optical fiber (24) connects
Connect；
Optical fiber composite insulator (2) the upper end connection high voltage sensing head (1), lower end is fixed on low-voltage ground part (3).
9. a kind of electronic current mutual inductor as claimed in claim 8, it is characterised in that the high voltage sensing head (1) is sieve
Family name's coil or low-power consumption coil or optical sensing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720784373.1U CN207038262U (en) | 2017-06-30 | 2017-06-30 | A kind of electronic current mutual inductor and its optical fiber composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720784373.1U CN207038262U (en) | 2017-06-30 | 2017-06-30 | A kind of electronic current mutual inductor and its optical fiber composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038262U true CN207038262U (en) | 2018-02-23 |
Family
ID=61466247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720784373.1U Active CN207038262U (en) | 2017-06-30 | 2017-06-30 | A kind of electronic current mutual inductor and its optical fiber composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566939A (en) * | 2022-03-03 | 2022-05-31 | 中国科学院合肥物质科学研究院 | High-voltage support type optical fiber energy supply overcurrent protection wireless transmission device |
-
2017
- 2017-06-30 CN CN201720784373.1U patent/CN207038262U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114566939A (en) * | 2022-03-03 | 2022-05-31 | 中国科学院合肥物质科学研究院 | High-voltage support type optical fiber energy supply overcurrent protection wireless transmission device |
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