CN206362851U - A kind of optical fiber current mutual inductor sensing head of flexible installing - Google Patents
A kind of optical fiber current mutual inductor sensing head of flexible installing Download PDFInfo
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- CN206362851U CN206362851U CN201621466278.9U CN201621466278U CN206362851U CN 206362851 U CN206362851 U CN 206362851U CN 201621466278 U CN201621466278 U CN 201621466278U CN 206362851 U CN206362851 U CN 206362851U
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- sensing head
- optical fiber
- mutual inductor
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Abstract
The utility model provides a kind of optical fiber current mutual inductor sensing head of flexible installing, including upper sensing head, lower sensing head, mounting seat and fiber optical sensing assemblies；Upper sensing head and lower sensing head are fastened by joinery and its construction；Lower sensing head and mounting seat are integrated part；The surface of upper sensing head and lower sensing head is provided with around fine groove, and fiber optical sensing assemblies are positioned in fine groove；The both sides of lower sensing head are provided with outlet., can be fine around fine groove cloth along difference due to the live coiling of the sensitive light path part of optical fiber current mutual inductor sensing head, meet Different field and install and required precision, different installation environment requirements can be adapted to completely, and intelligent substation construction during intelligent grid is built can be met；It is easy for installation, the in-site installation applicability of optical fiber current mutual inductor sensing head is improved, is had broad application prospects；Fiber optic sensing coil can free coiling on demand, solve sensor fibre loop closure imprecision, it is to avoid leakage field situation occur.
Description
Technical field
The utility model belongs to national grid intelligent grid application field, is related to a kind of fibre-optic current mutual inductance of flexible installing
Device sensing head.
Background technology
Under the overall background of national grid all-round construction intelligent grid, the optical fiber current mutual inductor as power network " eyes " is
The key equipment of intelligent grid, and one of core technology of optical fiber current mutual inductor is the design of sensing head.
Optical fiber current mutual inductor sensing head is mainly used in high pressure, ultra-high voltage transformer station metering and protection, such a sensing head
With measurement range is wide, insulation system simple, dependable performance, without magnetic saturation, without second open circuit is dangerous, anti-electromagnetic interference capability
By force, the features such as installation and transportation facilitate.Optical fiber current mutual inductor sensing head is the meter amount ﹑ protection fibre-optic currents of intelligent grid electric current
Transformer important component, is intelligent grid high-pressure side important component, directly determines the precision of Hu sensor Ji Liang ﹑ protections.
At present, the in-site installation of most of optical fiber current mutual inductor sensing heads is inconvenient, it is impossible to adapt to different electric currents, voltage
, easily there is leakage field situation in classes of applications requirement, sensor fibre loop closure imprecision.
The content of the invention
Problem to be solved in the utility model is to provide a kind of in-site installation convenience and adapts to different electric currents, voltage class
The optical fiber current mutual inductor sensing head of the flexible installing of application requirement.
The technical scheme solved the above problems：The optical fiber current mutual inductor sensing head of the flexible installing provided, including it is upper
Sensing head, lower sensing head, mounting seat and fiber optical sensing assemblies；
The upper sensing head and lower sensing head are fastened by joinery and its construction；The lower sensing head and mounting seat are integrated
Part；
The surface of the upper sensing head and lower sensing head is provided with around fine groove, and fiber optical sensing assemblies are positioned in fine groove；
The both sides of the lower sensing head are provided with outlet.
Also include cover plate is installed；It is described install cover plate be arranged at sensing head and lower sensing head side and positioned at set around
The side of fine groove.Protection can be provided to light path by installing cover plate, enhance the tightness of whole sensing head.
Above-mentioned fiber optical sensing assemblies are made up of sensor fibre, optical fiber quarter wave plate and optical fiber end face reflector welding.It is existing
Can be fine around fine groove cloth along difference during the coiling of field, it meet Different field and install and required precision.
Above-mentioned upper sensing head and lower sensing head use high pressure resistant epoxy resin bonded fiber, it is ensured that the on high-tension side electric insulation of power network
Property.
Above-mentioned upper sensing head and lower sensing head constitute loop configuration, and upper sensing head and lower sensing head surface are also around fine groove
Annular.
Above-mentioned is multiple different-diameters and of different shapes around fine groove around fine groove.
Advantage of the present utility model：
1), can be fine around fine groove cloth along difference due to the live coiling of the sensitive light path part of optical fiber current mutual inductor sensing head,
Meet Different field to install and required precision, different installation environment requirements can be adapted to completely, and can meet in intelligent grid construction
Intelligent substation is built；
2) device is easy for installation, the in-site installation applicability of optical fiber current mutual inductor sensing head is improved, with wide
Application prospect；
3) fiber optic sensing coil can free coiling on demand, solve sensor fibre loop closure imprecision, it is to avoid go out
Existing leakage field situation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference is as follows：
The upper sensing heads of 1-；Sensing head under 2-；3- mounting seats；4- outlets；5- is around fine groove.
Embodiment
The utility model is described in detail with reference to Figure of description：
Optical fiber current mutual inductor sensing head as shown in Figure 1 is made up of upper sensing head 1, lower sensing head 2 and mounting seat 3.
Lower sensing head 1 is the integrated design with mounting seat 3, simplifies mutual inductor on site installation steps；Upper sensing head 1 and lower sensing head 2
Installed and fastened using falcon fourth of the twelve Earthly Branches structure, without any metal connecting piece, it is ensured that the electrical insulating property of whole sensing head.Upper sensing head 1 is with
Sensing head 2 uses different radii for coiling sensor fibre around fine groove 5, is designed more around fine groove 5, facilitates different length sense light
Fine coiling, improves sensing head versatility.
The side of upper sensing head 1 and lower sensing head 2, which is provided with installation cover plate, to provide protection to light path, enhance whole biography
Feel the tightness of head.Fiber optical sensing assemblies are made up of sensor fibre, optical fiber quarter wave plate and optical fiber end face reflector welding.
Can be fine around the fine cloth of groove 5 along difference during live coiling, meet Different field and install and required precision.Lower sense head left and right sides difference
Outlet 4 is provided with, sensing head polarity in field-mounted process can be made to adjust at random.
Claims (6)
1. a kind of optical fiber current mutual inductor sensing head of flexible installing, it is characterised in that：Including upper sensing head, lower sensing head, peace
Fill base and fiber optical sensing assemblies；
The upper sensing head and lower sensing head are fastened by joinery and its construction；The lower sensing head and mounting seat are integrated part；Institute
The surface for stating sensing head and lower sensing head is provided with around fine groove, and fiber optical sensing assemblies are positioned in fine groove；The lower sensing
The both sides of head are provided with outlet.
2. the optical fiber current mutual inductor sensing head of flexible installing according to claim 1, it is characterised in that：Also include lid is installed
Plate；The cover plate of installing is arranged at the side of sensing head and lower sensing head and is located at setting around the side of fine groove.
3. the optical fiber current mutual inductor sensing head of flexible installing according to claim 2, it is characterised in that：The Fibre Optical Sensor
Component is made up of sensor fibre, optical fiber quarter wave plate and optical fiber end face reflector welding.
4. the optical fiber current mutual inductor sensing head of flexible installing according to claim 3, it is characterised in that：The upper sensing head
High pressure resistant epoxy resin bonded fiber is used with lower sensing head.
5. the optical fiber current mutual inductor sensing head of flexible installing according to claim 4, it is characterised in that：The upper sensing head
Loop configuration is constituted with lower sensing head, upper sensing head and lower sensing head surface are also annular around fine groove.
6. according to the optical fiber current mutual inductor sensing head of any flexible installings of claim 1-5, it is characterised in that：It is described around
Fine groove is multiple different-diameters and of different shapes around fine groove.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015211330039 | 2015-12-31 | ||
| CN201521133003 | 2015-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362851U true CN206362851U (en) | 2017-07-28 |
Family
ID=59376453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621466278.9U Active CN206362851U (en) | 2015-12-31 | 2016-12-29 | A kind of optical fiber current mutual inductor sensing head of flexible installing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206362851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884364A (en) * | 2017-12-06 | 2019-06-14 | 北京自动化控制设备研究所 | A kind of highly reliable optical fiber current mutual inductor sensing head |
-
2016
- 2016-12-29 CN CN201621466278.9U patent/CN206362851U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884364A (en) * | 2017-12-06 | 2019-06-14 | 北京自动化控制设备研究所 | A kind of highly reliable optical fiber current mutual inductor sensing head |
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