CN203083741U - Optical fiber ring fixing mechanism used for temperature calibration of distributed optical fiber temperature sensor - Google Patents
Optical fiber ring fixing mechanism used for temperature calibration of distributed optical fiber temperature sensor Download PDFInfo
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- CN203083741U CN203083741U CN 201320002708 CN201320002708U CN203083741U CN 203083741 U CN203083741 U CN 203083741U CN 201320002708 CN201320002708 CN 201320002708 CN 201320002708 U CN201320002708 U CN 201320002708U CN 203083741 U CN203083741 U CN 203083741U
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- optical fiber
- water tank
- temperature
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- shaped metal
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Abstract
The utility model discloses an optical fiber ring fixing mechanism used for temperature calibration of a distributed optical fiber temperature sensor. A metal cavity is welded at the bottom of a U-shaped metal frame; a plurality of circular holes are symmetrically formed on two sides of an upper portion of the U-shaped metal frame; a metal tube can be inserted into any one pair of circular holes on the U-shaped metal frame; one end of a standard thermometer is inserted into the metal cavity, and the other end of the standard thermometer is fixed on the metal tube; optical fibers placed at the bottom surface of the metal cavity are fixed through optical fiber fixing devices; an entire platform is placed in a constant temperature water tank; two sides of the U-shaped metal frame are in sliding fit with the constant temperature water tank; and two ends of the metal tube, which extends to the exterior of the U-shaped metal frame, are placed at two sides of the constant temperature water tank. The optical fiber ring fixing mechanism used for the temperature calibration of the distributed optical fiber temperature sensor is cooperatively used with the constant temperature water tank. With the optical fiber ring fixing mechanisms used for the temperature calibration of the distributed optical fiber temperature sensor adopted, a potential safety hazard caused by a situation where the optical fibers are drawn into the constant temperature water tank can be avoided; and at the same time, the standard thermometer and the temperature-sensing optical fibers measure the temperature in the same temperature field, such that the accuracy of quantity value dissemination in the measurement of the thermometer can be ensured.
Description
Technical field
The utility model relates to a kind of calibration thermometric platform, particularly relates to a kind of temperature correction fiber optic loop fixed mechanism of distributed optical fiber temperature sensor.
Background technology
Distributed optical fiber temperature sensor mainly uses temperature-sensitive optical fiber as temperature probe.Because it is antiacid anticorrosive high temperature resistant that optical fiber has, and simultaneously detection fiber be laid the characteristics of place's each point temperature, and therefore, this system has been widely used in the large scale industry scene that use legacy equipments such as tunnel, subway, power plant, chemical plant can't thermometric.Because the application scenario of distributed optical fiber temperature sensor is more and more, also can be more and more higher to the requirement of temperature measurement accuracy, therefore, for manufacturer and user, putting into effect corresponding calibrating standard all is very urgent work.
In the temperature measurement calibrating system, usually use relative method to carry out transmission of quantity value for the calibration of thermometric utensil, promptly use the standard of measurement and the tested thermometric utensil of degree of precision grade to measure same temperature field water temperature, compare temperature-measuring results, thereby differentiate the quality of measured temperature meter quality, and it is carried out corresponding correction.There is not to calibrate for temperature-measuring system of distributed fibers specially the experiment porch of exploitation on the now market, cause when experiment, optical fiber is involved in Water Tank with Temp.-controlled by the Water Tank with Temp.-controlled helical blade situation often appears, and, be difficult to accomplish to measure simultaneously the problem in same temperature field with fiber optic loop because standards of measurement such as second-class standard platinum resistance do not have to adjust the device of height.These inconveniences have influenced the accuracy and the security of measuring calibration.
Summary of the invention
The purpose of this utility model is to provide a kind of temperature correction fiber optic loop fixed mechanism of distributed optical fiber temperature sensor, solution temperature-sensitive optical fiber and standard thermometer in Water Tank with Temp.-controlled can't be measured the problem of same temperature field temperature, by placement platform optical fiber and calibration cell internal mechanical structure are separated by simultaneously, prevent that optical fiber or fiber optic loop are involved in Water Tank with Temp.-controlled inside, have improved the security of calibration experiments.
For solving above technical matters, the utility model is achieved through the following technical solutions:
The utility model comprises metal cavitg, U-shaped metal framework, metal tube, stationary installation, standard thermometer and optic fibre fixing device industrial computer, Water Tank with Temp.-controlled, secondary instrument and optical fiber; Metal cavitg is welded on the bottom of U-shaped metal framework, U-shaped metal framework top symmetria bilateralis has a plurality of circular holes, metal tube can insert in any a pair of circular hole on the U-shaped metal framework, standard thermometer is connected with industrial computer by secondary instrument, one end of standard thermometer inserts in the metal cavitg, the other end of standard thermometer is fixed on the metal tube with stationary installation, industrial computer is inserted with the fixing optical fiber of optic fibre fixing device in the metal cavitg bottom surface, whole platform is placed in the Water Tank with Temp.-controlled, U-shaped metal framework both sides and Water Tank with Temp.-controlled are exposed at the outer metal tube two ends of U-shaped metal framework and rest the Water Tank with Temp.-controlled both sides for being slidingly matched.
Described standard thermometer can move up and down in the standard stationary installation, adjusts the height of standard thermometer to the metal cavitg bottom.
Described stationary installation comprises the standard stationary fixture and is used for fixed position device on metal tube.
The optic fibre fixing device fixed fiber is used in described metal cavitg bottom, and optic fibre fixing device is sheet metal or other structures.
The beneficial effect that the utlity model has is:
The utility model is by designing a kind of temperature correction fiber optic loop fixed mechanism that cooperates a kind of distributed optical fiber temperature sensor of Water Tank with Temp.-controlled use, by placement platform optical fiber and calibration cell internal mechanical structure are separated by, avoided optical fiber or fiber optic loop to be involved in the potential safety hazard of Water Tank with Temp.-controlled inside, what guarantee second-class standard platinum resistance or other temperature measurement standard utensils and temperature-sensitive optical fiber measurement simultaneously is the temperature in same temperature field, to guarantee the accuracy of temperature measurement transmission of quantity value.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a using method synoptic diagram of the present utility model.
Among the figure: 1, metal cavitg, 2, the U-shaped metal framework, 3, metal tube, 4, stationary installation, 5, standard thermometer, 6, optic fibre fixing device, 7, industrial computer, 8, Water Tank with Temp.-controlled, 9, secondary instrument, 10, optical fiber.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
As shown in Figure 1 and Figure 2, comprise metal cavitg 1, U-shaped metal framework 2, metal tube 3, stationary installation 4, standard thermometer 5, optic fibre fixing device 6, industrial computer 7, Water Tank with Temp.-controlled 8, secondary instrument 9 and optical fiber 10; Metal cavitg 1 is welded on the bottom of U-shaped metal framework 2, U-shaped metal framework 2 top symmetria bilateralis have a plurality of circular holes, metal tube 3 can insert in any a pair of circular hole on the U-shaped metal framework 2, standard thermometer 5 is connected with industrial computer 7 by secondary instrument 9, one end of standard thermometer 5 inserts in the metal cavitg 1, the other end of standard thermometer 5 is fixed on the metal tube 3 with stationary installation 4, industrial computer 7 is inserted with optic fibre fixing device 6 fixing optical fiber 10 in metal cavitg 1 bottom surface, whole platform is placed in the Water Tank with Temp.-controlled 8, U-shaped metal framework 2 both sides and Water Tank with Temp.-controlled 8 are exposed at U-shaped metal framework 2 outer metal tube 3 two ends and rest the Water Tank with Temp.-controlled both sides for being slidingly matched.Fig. 2 left side is a stirring arm.
Described standard thermometer 5 can move up and down in standard stationary installation 4, adjusts the height of standard thermometer 5 to metal cavitg 1 bottom.Standard thermometer 5 is second-class standard platinum resistance or other temperature probes of the same type.
Described stationary installation 4 comprises the platinum resistance anchor clamps and is used for fixed position device on metal tube.
Optic fibre fixing device 6 fixed fibers 10 are used in described metal cavitg 1 bottom.Optic fibre fixing device 6 can be sheet metal or other structures.
Embodiment of the present utility model:
(1) metal tube 3 is inserted in the punching of sheet metal 2.Insert the position of punching by changing, change the height of optical fiber placement platform in Water Tank with Temp.-controlled.
(2) because, being exposed at U-shaped metal framework 2 outer metal tube 3 two ends for being slidingly matched, U-shaped metal framework 2 both sides and Water Tank with Temp.-controlled rest Water Tank with Temp.-controlled 8 both sides.Therefore when Water Tank with Temp.-controlled 8 runnings, the utility model can acutely not rock in Water Tank with Temp.-controlled 8.
(3) optical fiber 10 usefulness optic fibre fixing devices 6 are fixed on metal cavitg 1 bottom.Optic fibre fixing device 6 can be sheet metal or other structures.
(4) by the horizontal level and the vertical height of the stationary installation 4 second-class standard platinum resistances of change or other standard thermometric utensils 4 of the same type, is the temperature in same temperature field with what guarantee standard utensil and optical fiber 10 measurements.
(5) optical fiber 10 is inserted industrial computer 7, standard thermometer inserts industrial computer 7 by secondary instrument 9, opens Water Tank with Temp.-controlled 8 and distributed optical fiber temperature sensor, carries out the thermometric experiment.
Claims (4)
1. the temperature correction of distributed optical fiber temperature sensor fiber optic loop fixed mechanism is characterized in that: comprise metal cavitg (1), U-shaped metal framework (2), metal tube (3), stationary installation (4), standard thermometer (5) and optic fibre fixing device (6) industrial computer (7), Water Tank with Temp.-controlled (8), secondary instrument (9) and optical fiber (10); Metal cavitg (1) is welded on the bottom of U-shaped metal framework (2), U-shaped metal framework (2) top symmetria bilateralis has a plurality of circular holes, metal tube (3) can insert in any a pair of circular hole on the U-shaped metal framework (2), standard thermometer (5) is connected with industrial computer (7) by secondary instrument (9), one end of standard thermometer (5) inserts in the metal cavitg (1), the other end of standard thermometer (5) is fixed on the metal tube (3) with stationary installation (4), industrial computer (7) is inserted with the fixing optical fiber (10) of optic fibre fixing device (6) in metal cavitg (1) bottom surface, whole platform is placed in the Water Tank with Temp.-controlled (8), U-shaped metal framework (2) both sides and Water Tank with Temp.-controlled (8) are exposed at outer metal tube (3) two ends of U-shaped metal framework (2) and rest the Water Tank with Temp.-controlled both sides for being slidingly matched.
2. the temperature correction of a kind of distributed optical fiber temperature sensor according to claim 1 fiber optic loop fixed mechanism, it is characterized in that: described standard thermometer (5) can move up and down in standard stationary installation (4), adjusts the height of standard thermometer (5) to metal cavitg (1) bottom.
3. the temperature correction of a kind of distributed optical fiber temperature sensor according to claim 1 fiber optic loop fixed mechanism is characterized in that: described stationary installation (4) is the standard stationary fixture.
4. the temperature correction of a kind of distributed optical fiber temperature sensor according to claim 1 fiber optic loop fixed mechanism, it is characterized in that: optic fibre fixing device (6) fixed fiber (10) is used in described metal cavitg (1) bottom, and optic fibre fixing device (6) is a sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002708 CN203083741U (en) | 2013-01-05 | 2013-01-05 | Optical fiber ring fixing mechanism used for temperature calibration of distributed optical fiber temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320002708 CN203083741U (en) | 2013-01-05 | 2013-01-05 | Optical fiber ring fixing mechanism used for temperature calibration of distributed optical fiber temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203083741U true CN203083741U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320002708 Withdrawn - After Issue CN203083741U (en) | 2013-01-05 | 2013-01-05 | Optical fiber ring fixing mechanism used for temperature calibration of distributed optical fiber temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203083741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076114A (en) * | 2013-01-05 | 2013-05-01 | 中国计量学院 | Optical fiber ring fixing mechanism for temperature calibration of distributed optical fiber temperature sensor |
-
2013
- 2013-01-05 CN CN 201320002708 patent/CN203083741U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076114A (en) * | 2013-01-05 | 2013-05-01 | 中国计量学院 | Optical fiber ring fixing mechanism for temperature calibration of distributed optical fiber temperature sensor |
| CN103076114B (en) * | 2013-01-05 | 2014-07-16 | 中国计量学院 | Optical fiber ring fixing mechanism for temperature calibration of distributed optical fiber temperature sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20140716 |
|
| RGAV | Abandon patent right to avoid regrant |