CN206990129U - A kind of optical fiber grating temperature-measuring sensor calibration device - Google Patents
A kind of optical fiber grating temperature-measuring sensor calibration device Download PDFInfo
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- CN206990129U CN206990129U CN201720941228.XU CN201720941228U CN206990129U CN 206990129 U CN206990129 U CN 206990129U CN 201720941228 U CN201720941228 U CN 201720941228U CN 206990129 U CN206990129 U CN 206990129U
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- temperature
- optical fiber
- fiber grating
- sensor
- fixed support
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 34
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 27
- 239000000835 fiber Substances 0.000 claims description 15
- 230000008054 signal transmission Effects 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000009529 body temperature measurement Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000036413 temperature sense Effects 0.000 description 1
Abstract
The utility model discloses a kind of optical fiber grating temperature-measuring sensor calibration device, including stem body furnace chamber, guidance panel installed in stem body furnace chamber top, the constant temperature field inserted block being suspended in stem body furnace chamber, for fixing the sensor fixed support of optical fiber grating temperature-measuring sensor to be verified, platinum resistance temperature standard and the temperature scale fixed support for fixing platinum resistance temperature standard, the constant temperature field inserted block and temperature scale fixed support are both connected on guidance panel, constant temperature field inserted block, which is provided with, to be used to accommodate the support bracket fastened through hole of sensor and the thermometer hole for accommodating platinum resistance temperature standard, guidance panel is provided with irregularly-shaped hole, sensor fixed support is stretched into constant temperature field inserted block with platinum resistance temperature standard through irregularly-shaped hole.Optical fiber grating temperature-measuring sensor stabilization to be verified is fixed in constant temperature field inserted block by the utility model using sensor fixed support, is in same temperature field with standard platinum resistance thermometer, can be realized accurate calibration.
Description
Technical field
The verification of measuring device performance index is the utility model is related to, especially a kind of optical fiber grating temperature-measuring sensor calibration dress
Put.
Background technology
Gas-insulating and fully-enclosed combined electrical apparatus GIS is widely used in due to the advantages that its is compact-sized, floor space is small
Super-pressure and extra-high voltage field, it is the key equipment of power network.Multiple fiber gratings can be concatenated on same optical fiber cable circuit to pass
Sensor is to realize multiple target temperature survey, and temperature measurement signal transmits in cable interior, and anti-electromagnetic interference capability is strong, is adapted to forceful electric power
GIS conductor temperatures multiple spot on-line measurement under magnetic environment.GIS conductor all parts temperature is measured using fiber-optic grating sensor, led to
Data analysis is crossed, the running status of GIS all parts is assessed, works out corresponding Strategies of Maintenance, can save and safeguard human cost
And fund cost, GIS operational reliabilitys are improved, ensure electric power netting safe running.
The verification and calibrating of GIS conductor optical fiber grating temperature measurement apparatus, to the property of accurate analysis GIS all parts states
It is significant.Because the high stable constant temperature place that grating is placed in calibration equipment is smaller, signal transmission fiber must be bent,
Also need to ensure the transmitting of temperature measurement signal while bending, therefore path to optical fiber and the radius of curvature of fiber kinks will
Ask higher.
Utility model content
Purpose of utility model：In view of the above-mentioned drawbacks of the prior art, the utility model aims to provide a kind of optical fiber light
Grid temperature transducer calibration equipment.
Technical scheme：A kind of optical fiber grating temperature-measuring sensor calibration device, including stem body furnace chamber, installed in stem body cavity top
The guidance panel at end, the constant temperature field inserted block being suspended in stem body furnace chamber, for fixing optical fiber grating temperature-measuring sensor to be verified
Sensor fixed support, platinum resistance temperature standard and the temperature scale fixed support for fixing platinum resistance temperature standard, institute
State constant temperature field inserted block and temperature scale fixed support is both connected on guidance panel, constant temperature field inserted block is provided with to be fixed for accommodating sensor
The through hole of support and the thermometer hole for accommodating platinum resistance temperature standard, guidance panel are provided with irregularly-shaped hole, and sensor is fixed
Support is stretched into constant temperature field inserted block with platinum resistance temperature standard through irregularly-shaped hole.
Further, the temperature scale fixed support is Z-type, and its bottom is fixed on guidance panel, and top is provided with through hole, institute
The top for stating platinum resistance temperature standard is located in through hole, thermometer hole of the bottom through guidance panel insertion constant temperature field inserted block
It is interior.
Further, the temperature scale fixed support is additionally provided with screw, and screw in the middle part of the through hole with connecting and direction
Vertically, screw rod is removably connected with screw, the platinum resistance temperature standard is fixed in through hole by the screw rod fastened.
Further, the optical fiber grating temperature-measuring sensor to be verified is drawn including sensor side and from sensor side
Signal transmission fiber, the U-shaped bending of sensor fixed support, and open up one and be used to accommodate the square of signal transmission fiber
Groove, one end of square groove offer the half slot for accommodating sensor side, and the other end is provided with support block.
Further, the support bracket fastened depth of the sensor is 160~165mm, and maximum open distance is 29~30mm,
A diameter of 6~6.5mm of the half slot.
Further, the support bracket fastened U-shaped specially 20~21mm's of diameter of the sensor is U-shaped.
Further, the side of the support block opens up two circular holes.
Further, the output end of the signal transmission fiber is connected with temperature measuring equipment.
Further, the signal output part of the platinum resistance temperature standard is connected with normal temperature measuring instrument.
Further, the constant temperature field inserted block is cylinder.
Beneficial effect：The utility model utilizes sensor fixed support by optical fiber grating temperature-measuring sensor stabilization to be verified
It is fixed in constant temperature field inserted block, is in same temperature field with standard platinum resistance thermometer, accurate calibration can be realized；Also,
The U-shaped bending of square groove after half slot on preferable sensor fixed support fixes fiber-optic grating sensor so that fixed
The flexibility of optical fiber wherein meets the radius of curvature of the temperature signal of grating transmitting requirement in a fiber, can ensure
The functional reliability of verified sensor.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is constant temperature field inserted block schematic diagram；
Fig. 3 is guidance panel schematic diagram；
Fig. 4 is temperature scale fixed support schematic diagram；
Fig. 5 is that sensor fixed support uses schematic diagram；
Fig. 6 is sensor fixing rack structure schematic diagram.
Embodiment
The technical program is described in detail below by embodiment combination accompanying drawing.
Embodiment 1：
As shown in figure 1, a kind of optical fiber grating temperature-measuring sensor calibration device, including stem body furnace chamber, installed in stem body furnace chamber
The guidance panel 1 on top, the constant temperature field inserted block 2 being suspended in stem body furnace chamber, for fixing optical fiber grating temperature-measuring to be verified sensing
Sensor fixed support 3, platinum resistance temperature standard 4 and the temperature scale for fixing platinum resistance temperature standard 4 of device are fixed
Support 5, the constant temperature field inserted block 2 and temperature scale fixed support 5 are both connected on guidance panel 1；To ensure that optical fiber grating temperature-measuring passes
When sensor verifies in uniform, stable temperature field, design and constant temperature field inserted block 2 is put into stem body furnace chamber, ensure longitudinal direction and horizontal stroke
To uniform temperature fields.
As shown in Fig. 2 constant temperature field inserted block 2 is provided with the through hole for being used to accommodate sensor fixed support 3 and for accommodating platinum electricity
Hinder the thermometer hole of temperature standard device 4；Constant temperature field inserted block 2 is sensitive using raffinal shape extrusion, temperature sense.Inserted block opening is
Double U docking style, facilitate sensor fixed support 3 to insert, depth 160mm, maximum open distance 29mm, accurate perforate, temperature field
Uniformly.The top of constant temperature field inserted block 2 is provided with two circular holes, is easy to take out out of stem body furnace cavity.
As shown in figure 3, guidance panel 1 is provided with irregularly-shaped hole 101, facilitate sensor fixed support 3 and platinum resistance temperature mark
Quasi- device 4 is stretched into constant temperature field inserted block 2 through irregularly-shaped hole 101, and the constant temperature field inserted block 2 in the present embodiment is cylinder.Operating area
Panel is used to fix sensor fixed support 3 and temperature scale fixed support 5, and using movable clamp groove, convenient installation, dismounting and position are adjusted
It is whole.
As shown in figure 4, temperature scale fixed support 5 is Z-type, its bottom is fixed on guidance panel 1, and top is provided with through hole, institute
The top for stating platinum resistance temperature standard 4 is located in through hole, and bottom inserts the thermometric of constant temperature field inserted block 2 through guidance panel 1
In hole.Temperature scale fixed support 5 is additionally provided with screw 501, and screw 501 in the middle part of the through hole with connecting and direction is vertical, screw
Screw rod is removably connected with 501, the platinum resistance temperature standard 4 is fixed in through hole by the screw rod fastened.RTD temperature
The signal output part of degree standard 4 is connected with normal temperature measuring instrument, and the normal temperature measuring instrument in the present embodiment is selected
Fluke1523。
As shown in Figure 5,6, optical fiber grating temperature-measuring sensor to be verified is drawn including sensor side and from sensor side
Signal transmission fiber, the sensor fixed support 3 use aluminum alloy materials, U-shaped bending, and open up one be used for accommodate letter
The square groove of number Transmission Fibers, signal transmission fiber move towards along square groove, are drawn from the other end of sensor fixed support 3, even
Connect examined temperature measuring equipment；
One end of square groove offers the half slot for accommodating sensor side, and the other end is provided with support block 301, support block
301 side opens up two circular holes, is easy to take out out of stem body furnace cavity.The depth of sensor fixed support 3 is 160mm, most
Big opening distance is 29mm, a diameter of 6mm of half slot.Sensor fixed support 3 in the present embodiment uses infolding bend diameter
20mm's is U-shaped.
Semicircular notch quickly can fix and take out optical fiber grating temperature-measuring sensor, and square groove can fix optical fiber cable
Beam, 20mm diameters are U-shaped so that fiber kinks degree is constant, and bending radius of curvature ensures the transmitting of temperature measurement signal enough.
During installation：
Constant temperature field inserted block 2 is put into stem body furnace chamber, guidance panel 1 is fixed on the upper end of stem body stove, guidance panel 1 it is different
Alignd with stem body furnace chamber in shape hole 101；After optical fiber grating temperature-measuring sensor to be verified is arranged on sensor fixed support 3, pass through
The irregularly-shaped hole 101 of guidance panel 1 insertion constant temperature field inserted block 2, signal transmission fiber is connected with temperature measuring equipment；Again by temperature scale fixed support
5 are fixed on guidance panel 1, and platinum resistance temperature standard 4 inserts thermometer hole corresponding to constant temperature field inserted block 2, and is fixed with temperature scale
The connection fastening of support 5, the signal output part of platinum resistance temperature standard 4 are connected with normal temperature measuring instrument.
Embodiment 2：
The present embodiment and the structure of embodiment 1 are essentially identical, and difference is, sensor fixed support in the present embodiment
3 depth is 163mm, and maximum open distance is 29.5mm, a diameter of 6.3mm of half slot.Sensor in the present embodiment is consolidated
Fixed rack 3 is U-shaped using infolding bend diameter 20.5mm's.
Embodiment 3：
The present embodiment and the structure of embodiment 1 are essentially identical, and difference is, sensor fixed support in the present embodiment
3 depth is 165mm, and maximum open distance is 30mm, a diameter of 6.5mm of half slot.Sensor in the present embodiment is fixed
Support 3 is U-shaped using infolding bend diameter 21mm's.
It the above is only preferred embodiment of the present utility model, it should be pointed out that：For the ordinary skill people of the art
For member, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of optical fiber grating temperature-measuring sensor calibration device, it is characterised in that including stem body furnace chamber, installed in stem body cavity top
The guidance panel (1) at end, the constant temperature field inserted block (2) being suspended in stem body furnace chamber, pass for fixing optical fiber grating temperature-measuring to be verified
The sensor fixed support (3) of sensor, platinum resistance temperature standard (4) and for fixing platinum resistance temperature standard (4)
Temperature scale fixed support (5), the constant temperature field inserted block (2) and temperature scale fixed support (5) are both connected on guidance panel (1), constant temperature
Field inserted block (2), which is provided with, is used for the through hole for accommodating sensor fixed support (3) and the survey for accommodating platinum resistance temperature standard (4)
Wen Kong, guidance panel (1) are provided with irregularly-shaped hole (101), and sensor fixed support (3) passes through with platinum resistance temperature standard (4)
Irregularly-shaped hole (101) is stretched into constant temperature field inserted block (2).
2. a kind of optical fiber grating temperature-measuring sensor calibration device according to claim 1, it is characterised in that the temperature scale is consolidated
Fixed rack (5) is Z-type, and its bottom is fixed on guidance panel (1), and top is provided with through hole, the platinum resistance temperature standard (4)
Top be located in through hole, bottom through guidance panel (1) insertion constant temperature field inserted block (2) thermometer hole in.
3. a kind of optical fiber grating temperature-measuring sensor calibration device according to claim 2, it is characterised in that the temperature scale is consolidated
Fixed rack (5) is additionally provided with screw (501), and screw (501) in the middle part of the through hole with connecting and direction is vertical, screw (501)
Screw rod is inside removably connected with, the platinum resistance temperature standard (4) is fixed in through hole by the screw rod fastened.
4. a kind of optical fiber grating temperature-measuring sensor calibration device according to claim 1, it is characterised in that described to be verified
Optical fiber grating temperature-measuring sensor includes sensor side and the signal transmission fiber drawn from sensor side, the sensor are fixed
Support (3) U-shaped bending, and a square groove for being used to accommodate signal transmission fiber is opened up, one end of square groove offers use
In the half slot for accommodating sensor side, the other end is provided with support block (301).
A kind of 5. optical fiber grating temperature-measuring sensor calibration device according to claim 4, it is characterised in that the sensor
The depth of fixed support (3) is 160~165mm, and maximum open distance is 29~30mm, the half slot a diameter of 6~
6.5mm。
A kind of 6. optical fiber grating temperature-measuring sensor calibration device according to claim 4, it is characterised in that the sensor
The U-shaped of fixed support (3) is specially the U-shaped of 20~21mm of diameter.
A kind of 7. optical fiber grating temperature-measuring sensor calibration device according to claim 4, it is characterised in that the support block
(301) side opens up two circular holes.
8. a kind of optical fiber grating temperature-measuring sensor calibration device according to claim 4, it is characterised in that the signal passes
The output end for losing fibre is connected with temperature measuring equipment.
A kind of 9. optical fiber grating temperature-measuring sensor calibration device according to claim 1, it is characterised in that the RTD
The signal output part of temperature standard device (4) is connected with normal temperature measuring instrument.
A kind of 10. optical fiber grating temperature-measuring sensor calibration device according to claim 1, it is characterised in that the constant temperature
Field inserted block (2) is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941228.XU CN206990129U (en) | 2017-07-31 | 2017-07-31 | A kind of optical fiber grating temperature-measuring sensor calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941228.XU CN206990129U (en) | 2017-07-31 | 2017-07-31 | A kind of optical fiber grating temperature-measuring sensor calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206990129U true CN206990129U (en) | 2018-02-09 |
Family
ID=61418022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720941228.XU Active CN206990129U (en) | 2017-07-31 | 2017-07-31 | A kind of optical fiber grating temperature-measuring sensor calibration device |
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| Country | Link |
|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168737A (en) * | 2018-03-21 | 2018-06-15 | 大连交通大学 | Film thermocouple demarcates special isolation clamping device |
-
2017
- 2017-07-31 CN CN201720941228.XU patent/CN206990129U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168737A (en) * | 2018-03-21 | 2018-06-15 | 大连交通大学 | Film thermocouple demarcates special isolation clamping device |
| CN108168737B (en) * | 2018-03-21 | 2023-05-26 | 大连交通大学 | Special isolation clamping device for thin film thermocouple calibration |
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