CN209400097U - A kind of transformer optical fiber grating temperature-measuring system - Google Patents
A kind of transformer optical fiber grating temperature-measuring system Download PDFInfo
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- CN209400097U CN209400097U CN201920259302.9U CN201920259302U CN209400097U CN 209400097 U CN209400097 U CN 209400097U CN 201920259302 U CN201920259302 U CN 201920259302U CN 209400097 U CN209400097 U CN 209400097U
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Abstract
The utility model provides a kind of transformer optical fiber grating temperature-measuring system, it is characterised in that: the fiber grating temperature sensor including winding, insulating paper, signal pickup assembly and threadiness；In wave shape be arranged on insulating paper of fiber grating temperature sensor forms thermometric insulating paper；The both ends of fiber grating temperature sensor are connect with signal pickup assembly；The thermometric insulating paper is wound around winding interlayer or thermometric insulating paper is wound around between winding layers respectively and winding surface.Temperature Measurement System for Transformer production is simple and convenient, and fiber grating temperature sensor is easy to be fixedly secured, it can be achieved that transformer three-dimensional multipoint temperature detects.
Description
Technical field
The utility model relates to transformer temperature detection technique fields, more specifically to a kind of transformer optical fiber light
Grid temp measuring system.
Background technique
Transformer major failure type has superheating and electrical failure, and wherein thermal fault accounts for the 63% of total failare number of units,
Overheat accounts for 10% with high-energy discharge failure.Wherein, the oil-immersed type transformer service life depends primarily on the service life of insulating materials, and promotes absolutely
The deciding factor of edge material aging is exactly temperature, therefore hot-spot temperature of transformer determines the service life of transformer.
Fiber grating temperature sensor due to have many advantages, such as no metallization packaged technique, electromagnetism interference, durability and
Become the preferred sensor of inside transformer temperature detection.But the existing pre-buried mode of fiber grating temperature sensor be
Fiber grating temperature sensor is fixed in winding conducting wire groove in production process, fiber grating temperature sensor is along winding
The direction of conducting wire winding extends, and is guided on the optical fiber interface plate of transformer box cover later.The pre-buried mode is needed in winding conducting wire
On open up groove, complex manufacturing technology；Fiber grating temperature sensor needs to extend along winding conducting wire around set direction, temperature measuring point
Installation position is limited by winding conducting wire, is not easy to temperature measuring point being equably arranged into each region.
Utility model content
To overcome shortcoming and deficiency of the prior art, it is simple just that the purpose of this utility model is to provide a kind of production
Prompt, fiber grating temperature sensor is easy to be fixedly secured, can be achieved the transformer thermometric system of transformer three-dimensional multipoint temperature detection
System.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of transformer optical fiber light
Grid temp measuring system, it is characterised in that: the fiber grating temperature sensor including winding, insulating paper, signal pickup assembly and threadiness；
In wave shape be arranged on insulating paper of fiber grating temperature sensor forms thermometric insulating paper；The both ends of fiber grating temperature sensor
It is connect with signal pickup assembly；The thermometric insulating paper is wound around winding interlayer or thermometric insulating paper be wound around respectively around
Group interlayer and winding surface.
The utility model temp measuring system, fiber grating temperature sensor is fixed on insulating paper, and it is simple, convenient to make,
Fiber grating temperature sensor is easy to be fixedly secured, and can shorten the production time and improve production efficiency；Insulating paper can be to optical fiber light
Grid temperature sensor forms protection, without fiber optic protection cover is arranged again；The fiber grating temperature sensor of single threadiness is in
Waveform is fixed on insulating paper, can make fiber grating temperature sensor traversal winding interlayer or winding surface each region；Pass through
The temperature measurement data for acquiring fiber grating temperature sensor obtains the multi-point temperature of winding interlayer or winding interlayer and winding surface
Data, to realize that transformer three-dimensional multipoint temperature detects, for analysis transformer each region temperature and assessment transformer station high-voltage side bus
State provides data and supports.
Preferably, the fiber grating temperature sensor formation thermometric insulating paper in wave shape that is arranged on insulating paper refers to,
Fiber grating temperature sensor includes the fiber grating unit that several segments are longitudinally arranged side by side；Between adjacent fiber raster unit,
The top of fiber grating unit is connect by curved position protruding upward with side fiber grating unit, the lower part of fiber grating unit
It is connect by downwardly projecting curved position with other side fiber grating unit；Spacing L >=20mm between adjacent fiber raster unit；
Fiber grating temperature sensor, which is arranged on insulating paper, forms thermometric insulating paper.Spacing value between adjacent fiber raster unit
Range setting, can Reasonable Arrangement temperature measuring point spacing, be conducive to make transformer temperature detection to become simpler and effective, simplify survey
Warm data processing.
Preferably, the fiber grating temperature sensor forms fiber grating on thermometric insulating paper and lays region；It is described
Thermometric insulating paper is wound around winding interlayer or thermometric insulating paper is wound around between winding layers respectively and refers to winding surface, adopts
With one of the following two kinds scheme:
One, each winding interlayer rotating around be equipped with thermometric insulating paper, and fiber grating lay region be completely covered accordingly around
Group interlayer；
Two, each winding interlayer and winding surface are rotating around equipped with thermometric insulating paper；The thermometric for being wound around winding interlayer is exhausted
Edge paper, fiber grating lay region and corresponding windings interlayer are completely covered；It is wound around the thermometric insulating paper on winding surface, fiber grating
It lays region and winding surface is completely covered.Fiber grating lays region and winding interlayer is completely covered or winding surface is completely covered,
The detection range of fiber grating temperature sensor can be made to be expanded to winding interlayer and winding surface each region, it is ensured that each region
Effective temperature detection can be obtained.
Preferably, the both ends of the fiber grating temperature sensor are connect with signal pickup assembly refers to: signal acquisition dress
It sets including optical fiber interface plate and decoder, the both ends of fiber grating temperature sensor are connect with optical fiber interface plate respectively, and optical fiber connects
Oralia is connect by transmission cable with decoder；The decoder is connect with external host computer signal.
Preferably, the optical fiber interface plate is arranged in transformer tank body；Decoder setting is external in transformer tank；Transformation
Device cabinet is provided with the flange of through-hole；One end of the transmission cable is arranged in transformer tank body to be connected with optical fiber interface plate
It connects, the other end extends to transformer tank across the through-hole and connect in vitro with decoder；The through-hole is realized close with sealing element
Envelope.The benefit of the design is that optical fiber interface plate and decoder location are reasonable, is conducive to the safety for improving transformer and reliable
Property.
Compared with prior art, the utility model have the following advantages that with the utility model has the advantages that
1, the production of the utility model temp measuring system is simple, convenient, and fiber grating temperature sensor is easy to be fixedly secured, and can contract
Short production time and raising production efficiency；The detection of transformer three-dimensional multipoint temperature can be achieved, to analyze transformer each region temperature
Degree and assessment running state of transformer provide data and support；
2, the utility model temp measuring system can Reasonable Arrangement temperature measuring point spacing, be conducive to make transformer temperature detection to become more
Add simple and efficient, simplified temperature measurement data processing；The detection range of fiber grating temperature sensor can be expanded to winding interlayer and
Winding surface each region, it is ensured that effective temperature detection can be obtained in each region；
3, in the utility model temp measuring system, optical fiber interface plate and decoder location are reasonable, are conducive to improve transformer
Safety and reliability.
Detailed description of the invention
Fig. 1 is the scheme of installation of fiber grating temperature sensor and insulating paper in the utility model temp measuring system；
Fig. 2 is the expanded schematic diagram of thermometric insulating paper in the utility model temp measuring system；
Wherein, 1 it is fiber grating temperature sensor, 1.1 be fiber grating unit, 1.2 is curved position protruding upward, 1.3
It is temperature measuring point for downwardly projecting curved position, 1.4,2 is insulating paper.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
Embodiment one
A kind of transformer optical fiber grating temperature-measuring system of the present embodiment, including winding, insulating paper 2, signal pickup assembly and line
The fiber grating temperature sensor 1 of shape；In wave shape be arranged on insulating paper 2 of fiber grating temperature sensor 1 forms thermometric insulation
Paper, as depicted in figs. 1 and 2；The both ends of fiber grating temperature sensor 1 are connect with signal pickup assembly；Thermometric insulating paper winding
In winding interlayer.Fiber grating temperature sensor 1 is equipped with several temperature measuring points 1.4, only shows several temperature measuring points 1.4 in Fig. 2, greatly
Part temperature measuring point and to show, the entire fiber grating temperature sensor 1 of essence is laid with temperature measuring point.
To be laid convenient for temperature measuring point, Preferable scheme is that: fiber grating temperature sensor 1 includes that several segments are longitudinally set side by side
The fiber grating unit 1.1 set；Between adjacent fiber raster unit 1.1, the top of fiber grating unit 1.1 passes through protruding upward
Curved position 1.2 connect with side fiber grating unit 1.1, the lower part of fiber grating unit 1.1 passes through downwardly projecting curved position 1.3
It is connect with other side fiber grating unit 1.1.In practical application, fiber grating unit is also possible to be obliquely installed or be bent setting
Rather than it is longitudinally disposed.
Fiber grating temperature sensor 1 is fixed on insulating paper 2 by the utility model temp measuring system, and production is simply, just
Victory, fiber grating temperature sensor 1 are easy to be fixedly secured, and can shorten the production time and improve production efficiency；Insulating paper 2 can be to light
Fine grating temperature sensor 1 forms protection, without fiber optic protection cover is arranged again；The fiber grating temperature sensor of single threadiness
Device 1 is in wave shape to be fixed on insulating paper 2, and fiber grating temperature sensor 1 can be made to traverse winding interlayer or each area in winding surface
Domain；Temperature measurement data by acquiring fiber grating temperature sensor 1 obtains winding interlayer or winding interlayer and winding surface
Multi-point temperature data become to realize that transformer three-dimensional multipoint temperature detects for analysis transformer each region temperature and assessment
Depressor operating status provides data and supports.
Spacing L >=20mm between adjacent fiber raster unit 1.1, the spacing between adjacent fiber raster unit 1.1 take
Be worth range setting, can Reasonable Arrangement temperature measuring point spacing, be conducive to make transformer temperature detection to become simpler and effective, simplification
Temperature measurement data processing.
Fiber grating temperature sensor 1 forms fiber grating on thermometric insulating paper and lays region；Each winding interlayer point
It is not arranged with thermometric insulating paper, and fiber grating lays region and corresponding windings interlayer is completely covered.It is complete that fiber grating lays region
All standing winding interlayer can make the detection range of fiber grating temperature sensor 1 be expanded to winding interlayer each region, it is ensured that each
Effective temperature detection can be obtained in a region.
The both ends of fiber grating temperature sensor 1 are connect with signal pickup assembly to be referred to: signal pickup assembly includes optical fiber
Interface board and decoder, the both ends of fiber grating temperature sensor 1 are connect with optical fiber interface plate respectively, and optical fiber interface plate passes through biography
Cable is lost to connect with decoder；The decoder is connect with external host computer signal.Existing decoder can be used in decoder, can be real
Existing fiber grating temperature sensor reading data.
Optical fiber interface plate is arranged in transformer tank body；Decoder setting is external in transformer tank；Transformer-cabinet setting
Flange with through-hole；One end setting of transmission cable is connect in transformer tank body with optical fiber interface plate, and the other end passes through institute
It states through-hole and extends to transformer tank and connect in vitro with decoder；Through-hole realizes sealing with sealing element.The benefit of the design is light
Fine interface board and decoder location are reasonable, are conducive to the safety and reliability for improving transformer.
Embodiment two
A kind of transformer optical fiber grating temperature-measuring system of the present embodiment, the difference with embodiment one are: in the present embodiment, surveying
Warm insulating paper is wound around between winding layers respectively and winding surface.Temperature measurement data by acquiring fiber grating temperature sensor obtains
The multi-point temperature data of winding interlayer or winding interlayer and winding surface.
Preferable scheme is that: it is wound around the thermometric insulating paper of winding interlayer, fiber grating is laid region and is completely covered accordingly
Winding interlayer；It is wound around the thermometric insulating paper on winding surface, fiber grating lays region and winding surface is completely covered.
Remaining structure of the present embodiment is the same as example 1.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (5)
1. a kind of transformer optical fiber grating temperature-measuring system, it is characterised in that: including winding, insulating paper, signal pickup assembly and line
The fiber grating temperature sensor of shape；In wave shape be arranged on insulating paper of fiber grating temperature sensor forms thermometric insulating paper；
The both ends of fiber grating temperature sensor are connect with signal pickup assembly；The thermometric insulating paper is wound around winding interlayer, or
It is that thermometric insulating paper is wound around between winding layers and winding surface respectively.
2. transformer optical fiber grating temperature-measuring system according to claim 1, it is characterised in that: the optical fiber grating temperature passes
The sensor formation thermometric insulating paper in wave shape that is arranged on insulating paper refers to that fiber grating temperature sensor includes that several segments are longitudinal simultaneously
Arrange the fiber grating unit of setting；Between adjacent fiber raster unit, the top of fiber grating unit passes through protruding upward curved
Position is connect with side fiber grating unit, and the lower part of fiber grating unit passes through downwardly projecting curved position and other side fiber grating
Unit connection；Spacing L >=20mm between adjacent fiber raster unit；Shape is arranged on insulating paper in fiber grating temperature sensor
At thermometric insulating paper.
3. transformer optical fiber grating temperature-measuring system according to claim 1, it is characterised in that: the optical fiber grating temperature passes
Sensor forms fiber grating on thermometric insulating paper and lays region；The thermometric insulating paper is wound around winding interlayer, or surveys
Warm insulating paper is wound around respectively between winding layers to be referred to winding surface, using one of the following two kinds scheme:
One, each winding interlayer rotating around be equipped with thermometric insulating paper, and fiber grating lay region corresponding windings layer is completely covered
Between；
Two, each winding interlayer and winding surface are rotating around equipped with thermometric insulating paper；It is wound around the thermometric insulating paper of winding interlayer,
Fiber grating lays region and corresponding windings interlayer is completely covered；It is wound around the thermometric insulating paper on winding surface, fiber grating is laid
Winding surface is completely covered in region.
4. transformer optical fiber grating temperature-measuring system according to claim 1, it is characterised in that: the optical fiber grating temperature passes
The both ends of sensor are connect with signal pickup assembly to be referred to: signal pickup assembly includes optical fiber interface plate and decoder, fiber grating
The both ends of temperature sensor are connect with optical fiber interface plate respectively, and optical fiber interface plate is connect by transmission cable with decoder；It is described
Decoder is connect with external host computer signal.
5. transformer optical fiber grating temperature-measuring system according to claim 4, it is characterised in that: the optical fiber interface plate setting
In transformer tank body；Decoder setting is external in transformer tank；Transformer-cabinet is provided with the flange of through-hole；The transmission
One end setting of optical cable is connect in transformer tank body with optical fiber interface plate, and the other end passes through the through-hole and extends to transformer tank
It is connect in vitro with decoder；The through-hole realizes sealing with sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920259302.9U CN209400097U (en) | 2019-02-28 | 2019-02-28 | A kind of transformer optical fiber grating temperature-measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920259302.9U CN209400097U (en) | 2019-02-28 | 2019-02-28 | A kind of transformer optical fiber grating temperature-measuring system |
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| CN209400097U true CN209400097U (en) | 2019-09-17 |
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| CN201920259302.9U Active CN209400097U (en) | 2019-02-28 | 2019-02-28 | A kind of transformer optical fiber grating temperature-measuring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668651A (en) * | 2019-02-28 | 2019-04-23 | 广东中鹏电气有限公司 | A kind of transformer fiber grating built-in process and its manufactured Temperature Measurement System for Transformer |
| CN113447227A (en) * | 2021-06-08 | 2021-09-28 | 北京联合大学 | Method for simulating impact load of insulation paper of traction transformer |
-
2019
- 2019-02-28 CN CN201920259302.9U patent/CN209400097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668651A (en) * | 2019-02-28 | 2019-04-23 | 广东中鹏电气有限公司 | A kind of transformer fiber grating built-in process and its manufactured Temperature Measurement System for Transformer |
| CN113447227A (en) * | 2021-06-08 | 2021-09-28 | 北京联合大学 | Method for simulating impact load of insulation paper of traction transformer |
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