CN206192542U - Transformer winding temperature measurement optical fiber grating sensor - Google Patents
Transformer winding temperature measurement optical fiber grating sensor Download PDFInfo
- Publication number
- CN206192542U CN206192542U CN201621283208.XU CN201621283208U CN206192542U CN 206192542 U CN206192542 U CN 206192542U CN 201621283208 U CN201621283208 U CN 201621283208U CN 206192542 U CN206192542 U CN 206192542U
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- CN
- China
- Prior art keywords
- sensor
- outer tube
- transformer winding
- fiber grating
- temperature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a transformer winding temperature measurement optical fiber grating sensor, including the outer tube, the interior side surface laminating of outer tube has the buffer layer, the inboard fixed surface of buffer layer is connected with the metal mesh, the interior side surface of metal mesh is equipped with interior pipe box, the inboard fixed surface of interior pipe box is connected with sensor core, sensor core's both ends fixedly connected with centre gripping mounting, sensor core's inside is equipped with fiber grating, the left side of outer tube is equipped with the sheath, the inside cover of sheath has the optical cable, the right side of outer tube is equipped with the end cap, can reduce the outside influence that leads to the fact the collision of sensor through the buffer layer, improve the stability of sensor, make measure more accurate, the electromagnetic distu that the metal mesh can the separation signal causes has prevented the circuit to produce the danger of short circuit, the utility model relates to a rationally, simple structure, it is safe practical, be suitable for production and promote.
Description
Technical field
The utility model belongs to temperature sensor technology field, and in particular to a kind of temperature of transformer winding fiber grating is passed
Sensor.
Background technology
In the national economic development, electric power is one of important basic energy resource；As national economy constantly advances,
We also increase rapidly for the demand of electric power resource, and the scale of power system constantly expands, power system temperature detection into
It is a research topic for becoming more and more important；Conventional electric power temperature sensor is broadly divided into contact and contactless two kinds, contact
Formula sensor main will be including thermal resistance, thermocouple etc.；Some methods carry out power equipment temperature detection using RTD, then will
The temperature data for collecting is sent to host computer and is processed, and can obtain preferable temperature detection effect, but due to thermal resistance
With thermocouple operationally, detection signal is required for being transmitted by plain conductor, and this is just inevitably in space
Electromagnetic distu is produced, transmission line of electricity can be caused to produce short circuit risk under extreme case；And due to contact type temperature sensor category
In the sensor of consumption-type, stability is restricted very much during long-term work, and relatively costly；Existing fiber grating temperature sensor
Device, including sensor core, fiber grating, sensor core are semicylinders, and there is straight-line groove centre, and fiber grating is put into groove, and
Two ends are fixed in groove by dispensing, and middle fiber grating part bends, the bending section of hanging optical fiber is hanging and uncontrolled
System, easily shakes and produces deformation, increases measurement error.
Utility model content
The purpose of this utility model is to provide a kind of temperature of transformer winding fiber-optic grating sensor, to solve the above-mentioned back of the body
The problem proposed in scape technology.
To achieve the above object, the utility model provides following technical scheme：A kind of temperature of transformer winding fiber grating
Sensor, including outer tube, the inner surface of the outer tube are fitted with buffer layer, and the inner surface of the buffer layer is fixed and connected
Wire netting is connected to, the inner surface of the wire netting is provided with inner tube set, and the inner surface of said inner tube set is fixedly connected with sensing
Device core, the two ends of the sensor core are fixedly connected with and grip part, and the inside of the sensor core is provided with fiber grating, institute
State and sheath is provided with the left of outer tube, the inside of the sheath is cased with optical cable, and plug is provided with the right side of the outer tube.
Preferably, the two ends of the fiber grating are fixed by dispensing.
Preferably, the side for gripping part is provided with fluid sealant.
Preferably, it is provided with sealed piece between the outer tube and plug.
Preferably, it is described to grip the matrix that part is made for exotic material.
Technique effect of the present utility model and advantage：The temperature of transformer winding fiber-optic grating sensor, by buffer layer
The influence that the outside collision to sensor is caused can be reduced, the stability of sensor is improve, makes measurement more accurate；Metal
The electromagnetic distu that net can be caused with blocking signal, prevents circuit to produce the danger of short circuit；Fiber grating is located inside inner sleeve,
Enable that the heat in the external world is delivered on fiber grating by sensor core in time, improve measuring speed；Fiber grating exists
The inside of sensor core is in bending relaxed state, it is to avoid influenceed by fiber grating tension deformation in measurement process,
Improve the precision of temperature survey；The utility model is reasonable in design, simple structure, safe and practical, is suitable to produce and promotes.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1 outer tube, 2 buffer layers, 3 wire nettings, 4 inner sleeves, 5 sensor cores, 6 fiber gratings, 7 dispensings, 8 clampings
Fixture, 9 fluid sealants, 10 sheaths, 11 optical cables, 12 sealed pieces, 13 plugs.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The utility model provides a kind of temperature of transformer winding fiber-optic grating sensor as shown in Figure 1, including overcoat
Pipe 1, the inner surface of the outer tube 1 is fitted with buffer layer 2, and the inner surface of the buffer layer 2 is fixedly connected with wire netting
3, the inner surface of the wire netting 3 is provided with inner tube set 4, and the inner surface of said inner tube set 4 is fixedly connected with sensor core 5,
The two ends of the sensor core 5 are fixedly connected with and grip part 8, described to grip the base that part 8 is made for exotic material
Body, the side for gripping part 8 is provided with fluid sealant 9, and the inside of the sensor core 5 is provided with fiber grating 6, the optical fiber
The two ends of grating 6 are fixed by dispensing 7, and the left side of the outer tube 1 is provided with sheath 10, and the inside of the sheath 10 is cased with optical cable
11, the right side of the outer tube 1 is provided with plug 13, and sealed piece 12 is provided between the outer tube 1 and plug 13.
The temperature of transformer winding fiber-optic grating sensor, in measurement temperature, it is outside right to be reduced by buffer layer 2
The influence that the collision of sensor is caused, improves the stability of sensor, makes measurement more accurate；Wire netting 3 can intercept letter
Number electromagnetic distu for causing, prevents circuit to produce the danger of short circuit；Fiber grating 6 is inside inner sleeve 4 so that extraneous
Heat can be delivered on fiber grating 6 by sensor core 5 in time, improve measuring speed；Fiber grating 6 is in sensor core
5 inside is in bending relaxed state, it is to avoid is influenceed by the tension deformation of fiber grating 6 in measurement process, improve
The precision of temperature survey；The utility model is reasonable in design, simple structure, safe and practical, is suitable to produce and promotes.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although being described in detail to the utility model with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Equivalent is carried out, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements made etc.,
Should be included within protection domain of the present utility model.
Claims (5)
1. a kind of temperature of transformer winding fiber-optic grating sensor, including outer tube（1）, it is characterised in that：The outer tube（1）
Inner surface be fitted with buffer layer（2）, the buffer layer（2）Inner surface be fixedly connected with wire netting（3）, the metal
Net（3）Inner surface be provided with inner tube set（4）, said inner tube set（4）Inner surface be fixedly connected with sensor core（5）, institute
State sensor core（5）Two ends be fixedly connected with and grip part（8）, the sensor core（5）Inside be provided with fiber grating
（6）, the outer tube（1）Left side be provided with sheath（10）, the sheath（10）Inside be cased with optical cable（11）, the outer tube
（1）Right side be provided with plug（13）.
2. a kind of temperature of transformer winding fiber-optic grating sensor according to claim 1, it is characterised in that：The optical fiber
Grating（6）Two ends pass through dispensing（7）It is fixed.
3. a kind of temperature of transformer winding fiber-optic grating sensor according to claim 1, it is characterised in that：The clamping
Fixture（8）Side be provided with fluid sealant（9）.
4. a kind of temperature of transformer winding fiber-optic grating sensor according to claim 1, it is characterised in that：The overcoat
Pipe（1）And plug（13）Between be provided with sealed piece（12）.
5. a kind of temperature of transformer winding fiber-optic grating sensor according to claim 1, it is characterised in that：The clamping
Fixture（8）For the matrix that exotic material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283208.XU CN206192542U (en) | 2016-11-28 | 2016-11-28 | Transformer winding temperature measurement optical fiber grating sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621283208.XU CN206192542U (en) | 2016-11-28 | 2016-11-28 | Transformer winding temperature measurement optical fiber grating sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192542U true CN206192542U (en) | 2017-05-24 |
Family
ID=58724062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621283208.XU Expired - Fee Related CN206192542U (en) | 2016-11-28 | 2016-11-28 | Transformer winding temperature measurement optical fiber grating sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206192542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151910A (en) * | 2017-12-26 | 2018-06-12 | 安徽盛美金属科技有限公司 | A kind of high intensity temperature-measuring optical fiber grating sensor of transformer winding |
-
2016
- 2016-11-28 CN CN201621283208.XU patent/CN206192542U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151910A (en) * | 2017-12-26 | 2018-06-12 | 安徽盛美金属科技有限公司 | A kind of high intensity temperature-measuring optical fiber grating sensor of transformer winding |
| CN108151910B (en) * | 2017-12-26 | 2019-12-31 | 嘉善品智联科技有限公司 | High-strength temperature measurement fiber grating sensor for transformer winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20211128 |