CN209542683U - A kind of all-fiber current transformator transducing head structure - Google Patents
A kind of all-fiber current transformator transducing head structure Download PDFInfo
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- CN209542683U CN209542683U CN201822197484.XU CN201822197484U CN209542683U CN 209542683 U CN209542683 U CN 209542683U CN 201822197484 U CN201822197484 U CN 201822197484U CN 209542683 U CN209542683 U CN 209542683U
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- optical fiber
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- sensing head
- head ontology
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Abstract
The utility model discloses a kind of all-fiber current transformator transducing head structures, sensing skull including sensing head ontology and with the sensing head Ontology Matching, the sensing head ontology and sensing skull connect to form inside groove and outer groove, it further include the first optical fiber fixed block, the second optical fiber fixed block, the first optical fiber fixed block and the second optical fiber fixed block are arranged in sensing head ontology.Increase optical cable substitution optical fiber and be used for outlet, and setting outer groove facilitates winding optical cable outside sensing head ontology and sensing skull.All-fiber current transformator stability is improved, solves the problems, such as that optical fiber is broken in the outgoing line position of sensing head.
Description
Technical field
The utility model relates to current transformer field, especially a kind of all-fiber current transformator transducing head structure.
Background technique
Currently, continuing largely to increase with national electricity consumption, high-voltage electric power system is entered in all-round construction.In height
It presses in power transmission and transformation system, current transformer has not in high voltage power transmission and transforming system as one of element most common in equipment
Alternative effect.Traditional electromagnetic current transducer shows that defective insulation, there are magnetic saturation etc. when facing high voltage
Disadvantage, its cost is also excessively high, i.e., will be eliminated by market.And all-fiber current transformator is novel current transformer, it is special
Point is high and low pressure side electrical isolation, and measurement range is big, can survey direct current and transient current, and measurement accuracy is high, and stability is good, by
Gradually instead of traditional electromagnetic current transducer.But there is also some problems for all-fiber current transformator, wherein many complete
The unreasonable structural design of sensing head in optical fiber current mutual inductor causes all-fiber current transformator unstable, and optical fiber
Also it is easy to be broken in the outgoing line position of sensing head.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of all-fiber current transformator sensing head knots
Structure adds fixed block in the outgoing line position of sensing head, and optical fiber welding optical cable in fixed block can be reinforced complete in practical applications
The stability of optical fiber current mutual inductor solves the problems, such as that optical fiber is broken in the outgoing line position of sensing head.
The technical solution adopted by the utility model to solve the problem is as follows:
The utility model in a first aspect, providing a kind of all-fiber current transformator transducing head structure, including sensing head
Ontology and sensing skull with the sensing head Ontology Matching, the sensing head ontology and sensing skull connect to form inside groove and outer
Slot, further includes the first optical fiber fixed block, the second optical fiber fixed block, and the first optical fiber fixed block and the second optical fiber fixed block are arranged
In the sensing head ontology.
Further, the sensing head ontology, sensing skull, inside groove are circular ring structure.Sensing head ontology and sensing skull can
It is connected, can also be connected by non-dismountable mode, and carry out encapsulation process appropriate by removably.Inside groove is annulus
Structure is convenient for the winding of optical fiber, can wind enough optical fiber in inside groove.
Further, the first optical fiber fixed block and the second optical fiber fixed block are fixed on the sensing head ontology.
Prevent the first optical fiber fixed block from shaking in sensing head with the second optical fiber fixed block.
Further, for the first optical fiber fixed block close to one end of outer ring on sensing head ontology, second optical fiber is solid
Block is determined on sensing head ontology close to inner ring one end.First optical fiber fixed block is used to fix the portion of optical fiber tail-end and optical cable welding
Point, it is provided with string holes in the first optical fiber fixed block, is passed through for optical fiber and optical cable, string holes can be tightened, and the first optical fiber fixed block is fixed
Block, close to one end of outer ring, facilitates optical cable from the outer groove for leading to outside in sensing head ontology on sensing head ontology.Second
Optical fiber fixed block is used to fix the starting point of optical fiber, is provided with string holes among the second optical fiber fixed block, passes through for optical fiber, string holes can be received
Tightly, the second optical fiber fixed block facilitates optical fiber to wind in inside groove close to inner ring one end on sensing head ontology.
It further, further include optical fiber and optical cable, the welding in inside groove of the optical fiber and optical cable, the Optical Fiber Winding is in inside groove
On, the optical cable is wrapped on outer groove.
Further, one end of the optical fiber is fixed in the second optical fiber fixed block, and optical fiber is facilitated to wind in inside groove.
Further, the welding section of the optical fiber and optical cable is fixed in the first optical fiber fixed block, facilitates optical cable from sensing head
It is led in ontology in external outer groove.
Further, the outer groove is arranged in the sensing head ontology and senses the outer surface of skull.Convenient for twining for optical cable
Around.
Further, the sensing head ontology is made of metal material.
Further, the sensing skull is made of insulating material, and guarantees the insulating properties and anti-interference of sensing skull.
A technical solution in above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
A kind of all-fiber current transformator transducing head structure provided by the utility model.Including sensing head ontology and with it is described
The sensing skull of sensing head Ontology Matching, the sensing head ontology and sensing skull connect to form inside groove and outer groove, further include the
One optical fiber fixed block, the second optical fiber fixed block, the first optical fiber fixed block and the second optical fiber fixed block are arranged in the sensing
In head ontology.It further include optical fiber and optical cable, the welding in inside groove of the optical fiber and optical cable, the Optical Fiber Winding is on inside groove, institute
Optical cable is stated to be wrapped on outer groove.Increase optical cable substitution optical fiber and be used for outlet, the protective case energy effective protection optical fiber of optical cable is not rolled over
It is disconnected, and increase outer groove outside sensing head ontology and sensing skull and facilitate winding optical cable.It is mutual to can be improved full optical-fiber current in this way
Sensor stability solves the problems, such as that optical fiber is broken in the outgoing line position of sensing head.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is a kind of standing for all-fiber current transformator transducing head structure provided by one embodiment of the utility model
Body structural schematic diagram；
Fig. 2 is a kind of side of all-fiber current transformator transducing head structure provided by one embodiment of the utility model
Face structural schematic diagram；
Fig. 3 is a kind of the interior of all-fiber current transformator transducing head structure provided by one embodiment of the utility model
Portion's partial structural diagram；
Specific embodiment
Currently, the construction and transformation of national high-voltage fence enter peak period, one of the key equipment as high-voltage fence
Current transformer in entire high-voltage web system important role.Current transformer can be by the biggish primary electricity of numerical value
Stream is converted to the lesser secondary current of numerical value by certain no-load voltage ratio, to achieve the purpose that protection, measurement.Traditional electric current is mutual
Sensor is that electromagnetic current transducer is the current transformer that current transformation is realized according to electromagnetic induction principle.This electromagnetic type electricity
The disadvantages of current transformer is big since there are sensing ring volumes, magnetic saturation phenomenon and be gradually eliminated.And all-fiber current transformator
The advantages that being to belong to The Rogowski Optical Current Transformer, being a kind of completely new technology, stablize there is fast response time, transmission.It
Principle is that the transformation of electric current is realized by light-to-current inversion principle.Each all-fiber current transformator has sensing head, sensing head
Structure design have very big influence to the operating status of all-fiber current transformator, the design of sensing head is unreasonable to be caused
Partial discharges fault causes measurement result inaccurate.The structure of sensing head in existing many all-fiber current transformators designs
It is defective.
A kind of all-fiber current transformator transducing head structure provided by the utility model, including sensing head ontology and with it is described
The sensing skull of sensing head Ontology Matching, the sensing head ontology and sensing skull connect to form inside groove and outer groove, further include the
One optical fiber fixed block, the second optical fiber fixed block, the first optical fiber fixed block and the second optical fiber fixed block are arranged in sensing head sheet
In vivo.It further include optical fiber and optical cable, the welding in inside groove of the optical fiber and optical cable, the Optical Fiber Winding is on inside groove, the light
Cable is wrapped on outer groove.It can be improved all-fiber current transformator stability in this way, solve optical fiber in the wire outlet position of sensing head
Set the problem of being broken.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Referring to Fig.1 with Fig. 3, one embodiment of the utility model provides a kind of all-fiber current transformator sensing head
Structure, including sensing head ontology 1 and with the matched sensing skull 2 of the sensing head ontology 1, the sensing head ontology 1 and sensing
The connection of skull 2 forms inside groove 7 and outer groove 8, further includes the first optical fiber fixed block 3, the second optical fiber fixed block 4, first optical fiber
Fixed block 3 and the second optical fiber fixed block 4 are arranged in sensing head ontology 1.Sensing head ontology 1 can pass through bolt or buckle and biography
The sense realization of skull 2 is detachably connected, or non-removable connection type, such as to be attached by welding, this reality
Connection type can be adjusted according to demand by applying example.
Further, based on the above embodiment, it is mutual to additionally provide a kind of full optical-fiber current for another embodiment of the utility model
Sensor transducing head structure, the sensing head ontology 1, sensing skull 2, inside groove 7 are circular ring structure.In order to guarantee transducing head structure
Leakproofness, sensing head ontology 1 and sensing skull 2 are provided with washer in junction, and sensing head ontology 1 and sensing skull 2 are annulus
Structure solve traditional transducing head structure ontology and skull for abnormity and caused by processing difficulties.The inside groove 7 is annulus
Also the winding for facilitating optical cable avoids the nowhere placement of optical cable.
Further, based on the above embodiment, it is mutual to additionally provide a kind of full optical-fiber current for another embodiment of the utility model
Sensor transducing head structure, the first optical fiber fixed block 3 are fixed on the sensing head ontology 1 with the second optical fiber fixed block 4
On.Close to one end of outer ring on sensing head ontology 1, the second optical fiber fixed block 4 is sensing the first optical fiber fixed block 3
Close to inner ring one end on head ontology 1.
Further, based on the above embodiment, it is mutual to additionally provide a kind of full optical-fiber current for another embodiment of the utility model
Sensor transducing head structure further includes optical fiber and optical cable, and the welding in inside groove of the optical fiber and optical cable, the Optical Fiber Winding is in inside groove
On, the optical cable is wrapped on outer groove.
Further, based on the above embodiment, it is mutual to additionally provide a kind of full optical-fiber current for another embodiment of the utility model
Sensor transducing head structure, the starting point of the optical fiber 5 are fixed in the second optical fiber fixed block 4.The welding of the optical fiber 5 and optical cable 6
Section is fixed in the first optical fiber fixed block 3.
Wherein, the first optical fiber fixed block 3 and the second optical fiber fixed block 4 are fixed on sensing head ontology 1, it is not only stable
The position of first optical fiber fixed block 3 and the second optical fiber fixed block 4 in sensing head ontology 1, avoids shaking, and can stablize light
Fibre 5 and position of the optical cable 6 in sensing head ontology 1, convenient for winding.Aperture built in second optical fiber fixed block 4, aperture allow optical fiber
5 pass through, and aperture is capable of fixing optical fiber 5 and does not move with tightening function, and the starting point of optical fiber 5 is passed through in the second optical fiber fixed block 4
In aperture, after aperture tightening, starting point is fixed, and can be started to wind, be wound in inside groove 7 for the ease of optical fiber 5, the second optical fiber
Fixed block 4 is fixed on close to one end of 1 inner ring of sensing head ontology.Optical cable 6 substitutes optical fiber 5 and is used as outlet, passes through the protection of optical cable 6
Set can be than avoiding optical fiber 5 from being broken in exit, while also increasing oxidisability.Optical cable 6 by way of welding with optical fiber 5
Connection, and welding section is placed in the first fixed block 3, aperture built in the first optical fiber fixed block 3, aperture allows optical fiber 5 and optical cable 6
Pass through, aperture is capable of fixing the welding position of optical fiber 5 Yu optical cable 6, welding position is avoided to contact with the external world with tightening function.By
It is located at outer ring end in the line outlet of sensing head ontology 1, therefore the first optical fiber fixed block 3 is fixed on close to one end of outer ring, it is also square
Just the extraction of optical cable 6 is then wound around on outer groove 8.
Referring to Fig. 2, another embodiment of the utility model additionally provides a kind of all-fiber current transformator transducing head structure,
The outer surface of the sensing head ontology 1 with sensing skull 2 is arranged in the outer groove 8.
Further, based on the above embodiment, it is mutual to additionally provide a kind of full optical-fiber current for another embodiment of the utility model
Sensor transducing head structure, the sensing head ontology 1 are made of metal material.The sensing skull 2 is made of insulating material.Quan Guang
In fiber current mutual inductor, the material of sensing head ontology is the installation that metal material is conducive to transducing head structure.Wherein, skull is sensed
Insulating materials preferred rubber material, rubber material have excellent insulation characterisitic and anti-oxidation characteristics, can guarantee sensing skull
With insulating properties, anti-interference and inoxidizability.
In the present embodiment, by the way that the sensing head ontology 1 of circular ring structure to be connect with sensing skull 2, inside groove 7 and outer is formed
Slot 8, sensing head ontology 1 can be connect by removably with sensing skull 2, can also be connected by non-dismountable mode, be increased
Flexibility is added.Then it is added in sensing head ontology 1 and the first optical fiber fixed block 3 of fixed fiber position, the second optical fiber is solid
Determine block 4, optical fiber 5 finally is added in all-fiber current transformator transducing head structure and optical cable 6 is preferably protected in the present embodiment
Polarisation fibre and polarization-maintaining optical cable, using one end of the fixed polarization maintaining optical fibre of the second fixed block of optical fiber 4, and then by polarization maintaining optical fibre in inside groove 7
Welding section by polarization maintaining optical fibre welding polarization-maintaining optical cable, and is placed in optical fiber first and fixed by upper winding then i.e. by the position of outlet
It in block 3, is isolated from the outside, the polarization-maintaining optical cable for drawing transducing head structure is wound on outer groove 8 finally, solves optical fiber appearance
Easily the problem of line outlet is broken, the rationality of transducing head structure is improved, also reduces the cost of processing and manufacturing.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (10)
1. a kind of all-fiber current transformator transducing head structure, it is characterised in that: including sensing head ontology (1) and with the sensing
Head ontology (1) matched sensing skull (2), the sensing head ontology (1) and sensing skull (2) connection formed inside groove (7) and outside
Slot (8), further includes the first optical fiber fixed block (3), the second optical fiber fixed block (4), the first optical fiber fixed block (3) and the second light
Fine fixed block (4) setting is in the sensing head ontology (1).
2. a kind of all-fiber current transformator transducing head structure according to claim 1, it is characterised in that: the sensing head
Ontology (1), sensing skull (2), inside groove (7) are circular ring structure.
3. a kind of all-fiber current transformator transducing head structure according to claim 1, it is characterised in that: first light
Fine fixed block (3) and the second optical fiber fixed block (4) are fixed on the sensing head ontology (1).
4. a kind of all-fiber current transformator transducing head structure according to claim 3, it is characterised in that: first light
Fine fixed block (3) is close to one end of outer ring on sensing head ontology (1), and the second optical fiber fixed block (4) is in sensing head ontology
(1) close to inner ring one end on.
5. a kind of all-fiber current transformator transducing head structure according to claim 1, it is characterised in that: further include optical fiber
(5) and optical cable (6), in inside groove (7) interior welding, the optical fiber (5) is wrapped on inside groove (7) for the optical fiber (5) and optical cable (6),
The optical cable (6) is wrapped on outer groove (8).
6. a kind of all-fiber current transformator transducing head structure according to claim 5, it is characterised in that: the optical fiber
(5) one end is fixed in the second optical fiber fixed block (4).
7. a kind of all-fiber current transformator transducing head structure according to claim 6, it is characterised in that: the optical fiber
(5) it is fixed in the first optical fiber fixed block (3) with the welding section of optical cable (6).
8. a kind of all-fiber current transformator transducing head structure according to claim 1, it is characterised in that: the outer groove
(8) it is placed in the sensing head ontology (1) and senses the outer surface of skull (2).
9. a kind of all-fiber current transformator transducing head structure according to claim 1 to 4, it is characterised in that: institute
Sensing head ontology (1) is stated to be made of metal material.
10. a kind of all-fiber current transformator transducing head structure according to claim 1, it is characterised in that: the sensing
Skull (2) is made of insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197484.XU CN209542683U (en) | 2018-12-25 | 2018-12-25 | A kind of all-fiber current transformator transducing head structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197484.XU CN209542683U (en) | 2018-12-25 | 2018-12-25 | A kind of all-fiber current transformator transducing head structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209542683U true CN209542683U (en) | 2019-10-25 |
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| CN201822197484.XU Active CN209542683U (en) | 2018-12-25 | 2018-12-25 | A kind of all-fiber current transformator transducing head structure |
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| Country | Link |
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| CN (1) | CN209542683U (en) |
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2018
- 2018-12-25 CN CN201822197484.XU patent/CN209542683U/en active Active
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