CN203100929U - Temperature measuring device based on probe type fiber grating - Google Patents
Temperature measuring device based on probe type fiber grating Download PDFInfo
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- CN203100929U CN203100929U CN201220605743.8U CN201220605743U CN203100929U CN 203100929 U CN203100929 U CN 203100929U CN 201220605743 U CN201220605743 U CN 201220605743U CN 203100929 U CN203100929 U CN 203100929U
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- fiber grating
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- grating temperature
- measuring device
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Abstract
本实用新型涉及一种基于探针式光纤光栅测温装置，包括光纤光栅温度传感器、绝缘纸和垫片；所述光纤光栅温度传感器为测温器件；所述绝缘纸包裹于光纤光栅温度传感器外层，用于使光纤光栅温度传感器绝缘；所述垫片上设有凹槽，所述光纤光栅温度传感器包裹绝缘纸后设于垫片上的凹槽内。本实用新型采用了光纤光栅测温方式，实现了油浸变压器绕组内部不带电温度检测，通过多个温度传感器串联并联，实现绕组内多个热点同时测量。并且，基于光纤光栅温度传感器体积小，性能稳定，精度好，灵敏度高的特点，成本低，测量结果及时准确，后期维护简单等优势；及时有效地预防安全事故的发生。工程量小，容易实现，安全可靠，具有推广价值。
The utility model relates to a probe-based optical fiber grating temperature measuring device, comprising an optical fiber grating temperature sensor, insulating paper and gaskets; the optical fiber grating temperature sensor is a temperature measuring device; the insulating paper is wrapped outside the optical fiber grating temperature sensor The layer is used to insulate the optical fiber grating temperature sensor; the gasket is provided with a groove, and the optical fiber grating temperature sensor is wrapped in insulating paper and arranged in the groove on the gasket. The utility model adopts the optical fiber grating temperature measurement method, realizes the uncharged temperature detection inside the oil-immersed transformer winding, and realizes the simultaneous measurement of multiple hot spots in the winding through a plurality of temperature sensors connected in series and in parallel. Moreover, based on the advantages of small size, stable performance, good precision, high sensitivity, low cost, timely and accurate measurement results, and simple maintenance in the later stage, the fiber grating temperature sensor can prevent safety accidents in a timely and effective manner. The engineering quantity is small, easy to realize, safe and reliable, and has promotional value.
Description
Technical field
The utility model relates to a kind of temperature measuring equipment, relates in particular to a kind ofly based on probe-type optical fiber grating temperature-measuring device, belongs to the thermometry field.
Background technology
Power transformer is a most important electrical equipment in the electric system, and the principal element of impelling insulation ag(e)ing is temperature, moisture and oxygen, is " removing polymerizing factor " i.e. " DP " factor and weigh the important factor of optimizing.Moisture and oxygen are the bases, and temperature is that " catalyzer " allows moisture and oxygen not have possibility hardly, has left temperature moisture and oxygen and also has been difficult to work.During the transformer belt load, the effect of thermal effect is more outstanding, we can say: thermal effect is the deciding factor of transformer belt load capacity.Therefore, carry out the research of transformer thermal effect, very necessary.
And for oil-filled transformer, winding temperature directly determines the security of operation and the ageing rate of transformer, and the winding temperature monitoring is emphasis and difficult point always.The current potential height of Transformer Winding, the transformer built-in electrical insulation requires high, and traditional approach has indirect measurement and directly measures two kinds.Indirect measurement method real-time and accuracy are bad.Tradition is directly measured and is used resistance thermometer, thermocouple measurement, and the electric signal of this method is subject to electromagnetic interference (EMI), and can influence the transformer built-in electrical insulation, the not enough safety and precise of measurement effect.
The utility model content
The utility model provides a kind of Transformer Winding based on the probe-type optical fiber grating temperature-measuring of measurement effect safety and precise at the deficiencies in the prior art.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of based on probe-type optical fiber grating temperature-measuring device, comprise fiber-optical grating temperature sensor, insulating paper and pad;
Described fiber-optical grating temperature sensor is the thermometric device;
Described insulating paper is wrapped in the fiber-optical grating temperature sensor skin, is used to make the fiber-optical grating temperature sensor insulation;
Described pad is provided with groove, is located at behind the described fiber-optical grating temperature sensor wrap insulate paper in the groove on the pad.
The beneficial effects of the utility model are: the utility model has adopted the optical fiber grating temperature-measuring mode, has realized the not charging temps detection of oil-immersed type transformer winding inside, by a plurality of temperature sensor series and parallels, realizes that a plurality of focuses are measured simultaneously in the winding.And, little based on the fiber-optical grating temperature sensor volume, stable performance, precision is good, highly sensitive characteristics, have need not the transformer winding structure cost of making amendment low, measurement result promptly and accurately, advantage such as later maintenance is simple; Can well solve variety of issue in the oil-filled transformer winding on-line temperature monitoring, thereby prevent the generation of security incident timely and effectively.Quantities is little, realizes easily, and is safe and reliable, has promotional value.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described fiber-optical grating temperature sensor is the fiber-optical grating temperature sensor of insulating glass pipe probe-type encapsulation.
Further, described fiber-optical grating temperature sensor also comprises the sensor tail optical fiber of being located at an end, and described sensor tail optical fiber stretches out from the pad slot opening, is used for transmitting optical signal.
Further, the described fiber-optical grating temperature sensor that is enclosed with insulating paper is fixed in the groove on the pad by high-temperature insulating glue.
Further, also comprise a protection pad, described protection pad is identical with the gasket shape that is provided with groove, and described protection pad is located at and is covered the one side that pad has groove, is used to protect fiber-optical grating temperature sensor.
Further, the diameter of described fiber-optical grating temperature sensor is 0.7mm, and length is 10mm.
Further, described pad and protection pad adopt transformer insulating paper sheet material material to make.
Further, described groove is located at the pad centre position, and described groove is the dark 5mm of inclination, the depression of wide 5mm, long 30mm.
Further, the size of described pad and protection pad is 54mmx36mm.
Use in the utility model and adopt insulating glass pipe probe-type packaged fiber grating temperature sensor as the temperature monitoring device; be adhesive in the groove that adopts the special pad of transformer insulating paper sheet material material with the packaged insulating glass pipe of insulating paper probe-type packaged fiber grating temperature sensor and with high-temperature insulation; with the pad covering protection of unslotted with size; it is put into slit internal fixation between the Transformer Winding line cake together; fibre optic temperature sensor can adopt several series systems, realizes that a plurality of focuses are monitored simultaneously in the winding.The utility model has adopted the optical fiber grating temperature-measuring mode, has realized the not charging temps detection of oil-immersed type transformer winding inside, by a plurality of temperature sensor series and parallels, realizes that a plurality of focuses are measured simultaneously in the winding.And, little based on the fiber-optical grating temperature sensor volume, stable performance, precision is good, highly sensitive characteristics, a plurality of sensors can be deep into winding inside and carry out direct temperature measurement during thermometric, and measurement result is promptly and accurately comprehensive; In addition this winding temperature measurement mode also have need not the transformer winding structure cost of making amendment low, the advantages such as simple convenient later maintenance of constructing early stage.
Description of drawings
Fig. 1 is that the utility model specific embodiment 1 is described a kind of based on probe-type optical fiber grating temperature-measuring structure drawing of device;
Fig. 2 is that the utility model specific embodiment 1 is described a kind of based on probe-type optical fiber grating temperature-measuring device sectional view;
Fig. 3 is that the utility model specific embodiment 1 is described a kind of based on probe-type optical fiber grating temperature-measuring device user mode figure.
In the accompanying drawing, the list of parts of each label representative is as follows:
1, pad, 2, groove, 3, fiber-optical grating temperature sensor, 4, high-temperature insulating glue, 5, the sensor tail optical fiber, 6, insulating paper, 7, the protection pad, 8, chock, 9, winding coil.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
As shown in Figure 1, the utility model specific embodiment 1 is described a kind of based on probe-type optical fiber grating temperature-measuring device, comprises fiber-optical grating temperature sensor 3, insulating paper 6 and pad 1; Described fiber-optical grating temperature sensor 3 is the thermometric device; Described insulating paper 6 is wrapped in fiber-optical grating temperature sensor 3 skins, is used to make fiber-optical grating temperature sensor 3 insulation; Described pad 1 is provided with groove 2, is located at behind the described fiber-optical grating temperature sensor 3 wrap insulate paper 6 in the groove 2 on the pad 1.
Described fiber-optical grating temperature sensor 3 is the fiber-optical grating temperature sensor of insulating glass pipe probe-type encapsulation.
Described fiber-optical grating temperature sensor 3 also comprises the sensor tail optical fiber 5 of being located at an end, and described sensor tail optical fiber 5 stretches out from pad groove 2 opening parts, is used for transmitting optical signal.
The described fiber-optical grating temperature sensor 3 that is enclosed with insulating paper 6 is fixed in the groove 2 on the pad 1 by high-temperature insulating glue 4.
As shown in Figure 2, also comprise a protection pad 7, described protection pad 7 is identical with pad 1 shape that is provided with groove 2, and described protection pad 7 is located at and is covered the one side that pad 1 has groove 2, is used to protect fiber-optical grating temperature sensor 3.
The diameter of described fiber-optical grating temperature sensor 3 is 0.7mm, and length is 10mm.
Described pad 1 and protection pad 7 adopt transformer insulating paper sheet material material to make.
Described groove 2 is located at the pad centre position, and described groove 2 is the dark 5mm of inclination, the depression of wide 5mm, long 30mm.
The size of described pad 1 and protection pad 7 is 54mmx36mm.
During concrete the use, as shown in Figure 1, the utility model adopts insulating glass pipe probe-type packaged fiber grating temperature sensor 3 to make the thermometric device, be fixed on the groove 2 that adopts the pad 1 that transformer insulating paper sheet material material makes by high-temperature insulating glue 4 with insulating paper 6 parcel back, the sensor tail optical fiber 5 of transmitting optical signal is drawn from special insulation spacer groove 2 outsides.
As shown in Figure 2, pad 1 covering of the employing transformer insulating paper sheet material material that has groove 2 being made with the protection pad 7 that does not have groove is bonded together, and plays the effect of the probe-type fiber-optical grating temperature sensor 3 of protection insulation-encapsulated.
As shown in Figure 3, during concrete the measurement, earlier strut winding coil 9 with chock 8, with the pad 7 of size the unitized construction that insulating glass pipe probe-type packaged fiber grating temperature sensor 3 is installed and has a special pad 1 of employing transformer insulating paper sheet material material of groove 2 is not covered adherend and put into the slit with having groove again, can take out chock 8 after installing.So just installed the temperature sensor of oil-filled transformer winding temperature measurement.
A plurality of sensor series connection accurately directly monitoring in real time comprehensively that can realize in parallel to the Transformer Winding temperature, the 110KV transformer can preset 4-6 sensor generally speaking, the 220KV transformer can preset 6-9 sensor, and the 500KV transformer can preset 12 with upper sensor, and collocation flexibly.Sensor just can preset before winding dispatches from the factory, and need not transformer winding structure is transformed, and construction volume is little, and cost is low, realizes easily.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220605743.8U CN203100929U (en) | 2012-11-15 | 2012-11-15 | Temperature measuring device based on probe type fiber grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220605743.8U CN203100929U (en) | 2012-11-15 | 2012-11-15 | Temperature measuring device based on probe type fiber grating |
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| Publication Number | Publication Date |
|---|---|
| CN203100929U true CN203100929U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220605743.8U Expired - Fee Related CN203100929U (en) | 2012-11-15 | 2012-11-15 | Temperature measuring device based on probe type fiber grating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871632A (en) * | 2018-08-16 | 2018-11-23 | 长春理工大学 | A kind of optical fibre grating three-dimensional power feels probe and manufacturing method |
| CN113251297A (en) * | 2020-02-11 | 2021-08-13 | 叶晓明 | Information metal section bar |
| CN114910187A (en) * | 2021-02-08 | 2022-08-16 | 华南理工大学 | Portable optical fiber temperature sensor for detecting surface temperature rise of composite insulator |
| CN115060385A (en) * | 2022-02-07 | 2022-09-16 | 上海交通大学 | Rod wall surface two-dimensional temperature field measuring device in rod bundle channel |
-
2012
- 2012-11-15 CN CN201220605743.8U patent/CN203100929U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871632A (en) * | 2018-08-16 | 2018-11-23 | 长春理工大学 | A kind of optical fibre grating three-dimensional power feels probe and manufacturing method |
| CN113251297A (en) * | 2020-02-11 | 2021-08-13 | 叶晓明 | Information metal section bar |
| CN114910187A (en) * | 2021-02-08 | 2022-08-16 | 华南理工大学 | Portable optical fiber temperature sensor for detecting surface temperature rise of composite insulator |
| CN115060385A (en) * | 2022-02-07 | 2022-09-16 | 上海交通大学 | Rod wall surface two-dimensional temperature field measuring device in rod bundle channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130731 Termination date: 20181115 |