CN206931463U - A kind of low pressure winding of embedded fiber grating - Google Patents
A kind of low pressure winding of embedded fiber grating Download PDFInfo
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- CN206931463U CN206931463U CN201720774206.9U CN201720774206U CN206931463U CN 206931463 U CN206931463 U CN 206931463U CN 201720774206 U CN201720774206 U CN 201720774206U CN 206931463 U CN206931463 U CN 206931463U
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- fiber grating
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- pressure winding
- groove
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Abstract
The utility model embodiment discloses a kind of low pressure winding of embedded fiber grating, including：First wire, the second wire and fiber grating；First wire is provided with groove, and the fiber grating is arranged in the groove；First wire and second wire are wrapped on mould and form the low pressure winding.The low pressure winding realizes multimetering using fiber grating, and fiber grating is embedded in the groove of the first wire and integral, is protected fiber grating not acted on by any power, is ensured the service life of fiber grating and the degree of accuracy of fiber grating point measurement；And being embedded in the groove of the first wire using fiber grating improves overall operability, be advantageous to improve transformer entirety critical process；Simple in construction, technique is advanced, and reliable in quality is cost-effective.
Description
Technical field
It the utility model is related to power equipment winding field, more particularly to a kind of low pressure winding of embedded fiber grating.
Background technology
In the structure of transformer, can hot spot temperature of winding value and its position be normally run to transformer to pass weight
Will, this is the design characteristics of transformer, so needing an accurate hot spot temperature of winding and position to ensure transformer
Normal service life.Low-voltage coil is built among iron core and high-tension coil, and hot(test)-spot temperature appears in this key position, because
This is, it is necessary to obtain the hot(test)-spot temperature of certain point in low-voltage coil.
Mainly there are three kinds of e measurement technologies using Fiber Optic Pyrometer measuring transformer hot(test)-spot temperature at present：Fiber grating is surveyed
Amount, fluorescence type measurement and semiconductor-type measurement, latter two technology are mainly grasped by the U.S., Canada Company, abroad transformation
Existing ripe application on device.Fluorescence type measures and semiconductor-type e measurement technology is limited to 1 optical fiber and can only connect the skill of 1 sensor
Art feature, measuring point quantity are usually 4 or 8, can not meet the requirement for implementing multiple spot monitoring to transformer temperature, and product is made
Valency is high, and pre-sales and technological service after sale lags, it is difficult to support the demand of user, for distribution transforming, both thermometrys from
All it is inapplicable for economically.At present, hot(test)-spot temperature is efficiently and effectively surveyed again in order to economical, employs the survey of fiber grating point
Amount scheme.But in the prior art, fiber grating is vulnerable to the effect of power, the service life and optical fiber light of fiber grating can not be ensured
The degree of accuracy of grid point measurement, and low pressure winding and the overall operability of fiber grating be not high.
Utility model content
The utility model embodiment discloses a kind of low pressure winding of embedded fiber grating, solves detection low pressure winding heat
Fiber grating is vulnerable to the effect of power during point temperature, can not ensure the service life of fiber grating and the standard of fiber grating point measurement
Exactness, and the problem of low pressure winding and the not high overall operability of fiber grating.
The utility model embodiment provides a kind of low pressure winding of embedded fiber grating, including：First wire, second are led
Line and fiber grating；
First wire is provided with groove, and the fiber grating is arranged in the groove；
First wire and second wire are wrapped on mould and form the low pressure winding.
Preferably, first wire and the second wire are strip conductor.
Preferably, the quantity of second wire is five.
Preferably, the quantity of first wire is one.
Preferably, wherein composition first coil is arranged side by side in three second wires, two second wires in addition
It is arranged side by side with first wire and forms the second coil.
Preferably, the first coil and second coil are to be stacked.
Preferably, the groove is V-groove.
Preferably, the groove is U-type groove.
As can be seen from the above technical solutions, the utility model embodiment provide a kind of low pressure of embedded fiber grating around
Group, including：First wire, the second wire and fiber grating；First wire is provided with groove, and the fiber grating is arranged at institute
State in groove；First wire and second wire are wrapped on mould and form the low pressure winding.The low pressure winding makes
Multimetering is realized with fiber grating, and fiber grating is embedded in the groove of the first wire and integral, protects fiber grating not
Acted on by any power, ensure the service life of fiber grating and the degree of accuracy of fiber grating point measurement；And use optical fiber light
Grid, which are embedded in the groove of the first wire, improves overall operability, is advantageous to improve transformer entirety critical process；Structure letter
Single, technique is advanced, reliable in quality, cost-effective.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the vertical section schematic diagram of the first wire and the second wire in the utility model embodiment；
Fig. 2 is the cross-sectional view of the first wire and the second wire in the utility model embodiment；
Fig. 3 is that the winding wire in the utility model embodiment arranges schematic diagram (3 and 2 three folded spiral windings)；
Fig. 4 is the low pressure winding schematic diagram of the utility model embodiment.
Illustrate, the fiber grating of 1. first 2. second wire of wire, 3. groove 4..
Embodiment
The utility model embodiment discloses a kind of low pressure winding of embedded fiber grating, solves detection low pressure winding heat
Fiber grating is vulnerable to the effect of power during point temperature, can not ensure the service life of fiber grating and the standard of fiber grating point measurement
Exactness, and the problem of low pressure winding and the not high overall operability of fiber grating.
Fig. 1~4 are referred to, the utility model embodiment provides a kind of low pressure winding of embedded fiber grating, including：The
One wire 1, the second wire 2 and fiber grating 4；
First wire 1 is provided with groove 3, and fiber grating 4 is arranged in groove 3；
First wire 1 and the second wire 2 are wrapped on mould and form low pressure winding.
In the present embodiment, fiber grating 4, which is embedded in the first wire 1, forms an entirety, with the coiling of the first wire 1, energy
Fiber grating 4 is not stressed and pulling force, ensure that using the service life of fiber grating 4 and when carrying out temperature spot measurement
The degree of accuracy, and improve low pressure winding and the overall operability of fiber grating 4.Fiber grating 4 can be measured in winding
The temperature at specific each position, by the situation of change between the temperature and temperature spot of difference, find out hot(test)-spot temperature in winding and have
Body position, there is provided a kind of simple in construction, the extra-high fiber grating of technological requirement, the coiling that can followed by winding is arranged in not
Same position.
A kind of above is one embodiment of the low pressure winding of the embedded fiber grating provided the utility model embodiment
Be described in detail, below by the utility model embodiment is provided one insertion fiber grating low pressure winding another
Embodiment is described in detail.
A kind of referring to Fig. 3, another reality of the low pressure winding for embedded fiber grating that the utility model embodiment provides
Example is applied, including：First wire 1, the second wire 2 and fiber grating 4；
First wire 1 is provided with groove 3, and fiber grating 4 is arranged in groove 3；
First wire 1 and the second wire 2 are wrapped on mould and form low pressure winding.
Further, the first wire 1 and the second wire 2 are strip conductor, and the cross section of strip conductor is round rectangle.
The quantity of second wire 2 is 5, and the quantity of the first wire 1 is 1.
Wherein composition first coil is arranged side by side in three second wires 2, and two second wires 2 and the first wire 1 be simultaneously in addition
Row, which is set, forms the second coil.
First coil and the second coil form 3 and 2 folded triple-helix structures to be stacked.
It should be noted that the groove 3 that the first wire 1 is provided with is U-type groove or V-groove.
In the present embodiment, the groove 3 of the suitable placement of fiber grating 4 of folding on a face of the first wire 1, by fiber grating
4 insertion grooves 3.Fiber grating 4 is arranged in diverse location with the coiling of winding.The quantity of second wire 2 is 5, and first leads
The quantity of line 1 is 1.Wherein composition first coil is arranged side by side in three second wires 2, in addition two second wires 2 and first
Wire 1, which is arranged side by side, forms the second coil.To be stacked, the second wire 2 is not required to be embedded in optical fiber for first coil and the second coil
Grating, replaced between the first wire 1 and the second wire 2 in winding technique, the circulation that can be reduced between wire produces, and reaches
Circulation loss is reduced, and then makes fiber grating point position evenly more dispersed.
Referring to Fig. 4, low pressure winding structure be multiple conducting wires and around cylinder mode, need to lift one's head in transformer with
Ending.In the utility model embodiment, more easily to measure the hot(test)-spot temperature of winding difference, low pressure winding is abandoned commonly using
Paper tinsel take line around mode around mode, high current winding then takes multiple conducting wires and around mode, the first wire 1 and the second wire
2 select strip conductor, and fiber grating 4 is with the coiling of the first wire 1.After coiling is started, fiber grating 4 is embedded in first and led
In line 1, closed with the sealing of high temperature adhesive plaster in the first wire 1, and it is solid using insulating paper wrapping and form an entirety, with the
One wire 1 is wound on mould, and along the round and smooth coiling of mould, diverse location is arranged in the coiling of winding, can be very convenient
Place measurement point in each focus, and do not allow fiber grating 4 to be stressed and pulling force, ensure that fiber grating 4 uses the longevity
Life and the degree of accuracy of fiber grating point measurement, meet requirement of engineering well.Fiber grating 4 is embedded in groove 3 and integral, guarantor
The effect of not any power of fiber grating 4 is protected；Fiber grating 4 is embedded in groove 3 and integral operability improves, and is advantageous to improve
Transformer entirety critical process；And simple in construction, technique is advanced, reliable in quality is cost-effective.
It should be noted that except line is around mode, other its winding methods can be also used.
A kind of low pressure winding of pre-buried fiber grating provided by the utility model is described in detail above, for
Those of ordinary skill in the art, the thought of foundation the utility model embodiment, in specific embodiments and applications
It will change, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (8)
- A kind of 1. low pressure winding of embedded fiber grating, it is characterised in that including：First wire, the second wire and fiber grating；First wire is provided with groove, and the fiber grating is arranged in the groove；First wire and second wire are wrapped on mould and form the low pressure winding.
- 2. low pressure winding according to claim 1, it is characterised in that first wire and the second wire are strip conductor.
- 3. low pressure winding according to claim 2, it is characterised in that the quantity of second wire is five.
- 4. low pressure winding according to claim 3, it is characterised in that the quantity of first wire is one.
- 5. low pressure winding according to claim 4, it is characterised in that wherein composition is arranged side by side in three second wires First coil, two second wires and first wire, which are arranged side by side, in addition forms the second coil.
- 6. low pressure winding according to claim 5, it is characterised in that the first coil and second coil are stacking Set.
- 7. low pressure winding according to claim 1, it is characterised in that the groove is V-groove.
- 8. low pressure winding according to claim 1, it is characterised in that the groove is U-type groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774206.9U CN206931463U (en) | 2017-06-29 | 2017-06-29 | A kind of low pressure winding of embedded fiber grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720774206.9U CN206931463U (en) | 2017-06-29 | 2017-06-29 | A kind of low pressure winding of embedded fiber grating |
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| Publication Number | Publication Date |
|---|---|
| CN206931463U true CN206931463U (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720774206.9U Active CN206931463U (en) | 2017-06-29 | 2017-06-29 | A kind of low pressure winding of embedded fiber grating |
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| Country | Link |
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| CN (1) | CN206931463U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112489960A (en) * | 2020-10-14 | 2021-03-12 | 特变电工股份有限公司 | Coil structure, manufacturing method thereof and transformer |
-
2017
- 2017-06-29 CN CN201720774206.9U patent/CN206931463U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112489960A (en) * | 2020-10-14 | 2021-03-12 | 特变电工股份有限公司 | Coil structure, manufacturing method thereof and transformer |
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