CN209148008U - A kind of Culture complex security system based on fiber grating - Google Patents
A kind of Culture complex security system based on fiber grating Download PDFInfo
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- CN209148008U CN209148008U CN201821560975.XU CN201821560975U CN209148008U CN 209148008 U CN209148008 U CN 209148008U CN 201821560975 U CN201821560975 U CN 201821560975U CN 209148008 U CN209148008 U CN 209148008U
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- fiber
- bare optical
- grating
- epoxy resin
- metal tube
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Abstract
The utility model belongs to Culture complex safety testing field, a kind of Culture complex security system based on fiber grating is provided, including fiber grating temperature sensor, fiber Bragg grating strain sensor, fiber Bragg grating (FBG) demodulator and computer, the fiber grating temperature sensor includes bare optical fibers and bare optical gratings, metal tube, heat-conducting liquid, epoxy resin, bare optical fibers and bare optical gratings are inserted into the lumen of metal tube, heat-conducting liquid is added in the lumen of metal tube, the opening of metal tube is sealed with epoxy resin, bare optical fibers and bare optical gratings pass through epoxy resin, tail optical fiber is formed outside the lumen of metal tube, the fiber Bragg grating strain sensor includes bare optical fibers and bare optical gratings, sheet metal with groove, epoxy resin, bare optical fibers and bare optical gratings are placed in the groove of sheet metal, epoxy resin is filled in groove, the both ends of bare optical fibers and bare optical gratings pass through sheet metal and form tail optical fiber.The utility model structure is simple, easy to use, can effectively detect the stress and temperature change of engineering structure, realize the safety detection of Culture complex.
Description
Technical field
The utility model belongs to Culture complex safety testing field, specifically a kind of culture based on fiber grating
Synthesis security system.
Background technique
The safety detection of Culture complex is a highly important task, in order to ensure the normal work of Culture complex
Make, it is necessary to its security system be detected, wherein main detection is exactly load strain and temperature.Traditional electricity class sensing
When device measures temperature and strain, have be easy by electromagnetic interference, stability is poor, the precision limitations such as not enough.
Summary of the invention
The purpose of the utility model is to overcome deficiencies in the prior art, and it is comprehensive to provide a kind of culture based on fiber grating
Fit security system, structure is simple, easy to use, can effectively detect the stress and temperature change of engineering structure, realizes culture
The safety detection of synthesis.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of cultural integration based on fiber grating
Body security system, including fiber grating temperature sensor, fiber Bragg grating strain sensor, fiber Bragg grating (FBG) demodulator and computer.
Strain and temperature sensor based on fiber grating demodulate the signal to cultural integration bulk measurement by fiber Bragg grating (FBG) demodulator
After be sent to computer and saved, analyzed.Fiber Bragg grating strain sensor mainly tests the structure of Culture complex,
Prevent it from damaging because of factors such as strong wind, accumulated snow.Fiber grating temperature sensor carries out temperature measurement to Culture complex,
It can effectively prevent fire.The fiber grating temperature sensor includes bare optical fibers and bare optical gratings, metal tube, heat-conducting liquid, asphalt mixtures modified by epoxy resin
Rouge, bare optical fibers and bare optical gratings are inserted into the lumen of metal tube, and heat-conducting liquid, the opening epoxy of metal tube are added in the lumen of metal tube
Resin seal, bare optical fibers and bare optical gratings pass through epoxy resin, form tail optical fiber, the fiber grating strain sensor outside the lumen of metal tube
Device includes bare optical fibers and bare optical gratings, sheet metal with groove, epoxy resin, and bare optical fibers and bare optical gratings are placed in the groove of sheet metal, groove
Middle filling epoxy resin, the both ends of bare optical fibers and bare optical gratings pass through sheet metal and form tail optical fiber.
In the above-mentioned technical solutions, the one of the tail optical fiber and fiber Bragg grating strain sensor of the fiber grating temperature sensor
End tail optical fiber welds together, and the other end tail optical fiber of fiber Bragg grating strain sensor is connected with fiber Bragg grating (FBG) demodulator, fiber grating
(FBG) demodulator is connected with computer.
In the above-mentioned technical solutions, the metal tube of the fiber grating temperature sensor is stainless steel tube, stainless steel tube one
End sealing, another end opening.
In the above-mentioned technical solutions, screw thread is had on four corners of the sheet metal of the fiber Bragg grating strain sensor
Hole.
The utility model provides a kind of base using the advantages that fiber grating is small in size, precision is high, corrosion-resistant, stability is good
In the Culture complex security system of fiber grating, structure is simple, easy to use, can effectively detect the stress of engineering structure with
Temperature change realizes the safety detection of Culture complex.
Detailed description of the invention
Fig. 1 is Tthe utility model system schematic diagram.
Fig. 2 is the structure chart of fiber grating temperature sensor in the utility model.
Wherein: 1, stainless steel metal pipe, 2, conductive fluid, 3, bare fibre fiber grating, 4, epoxy resin, 5, tail optical fiber.
Fig. 3 is the structure chart of fiber Bragg grating strain sensor in the utility model.
Wherein: 6, sheet metal with groove, 7, epoxy resin, 8, bare optical fibers and bare optical gratings, 9, tail optical fiber, 10, threaded hole.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific implementation opened.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or may there are centering elements with inch.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
As shown in Figure 1, the present embodiment provides a kind of Culture complex security system based on fiber grating, including optical fiber light
Grid temperature sensor, fiber Bragg grating strain sensor, fiber Bragg grating (FBG) demodulator and computer.Strain and temperature based on fiber grating
Degree sensor will measure Culture complex, and be sent to calculating after measured signal is demodulated by fiber Bragg grating (FBG) demodulator
Machine is saved, is analyzed.Fiber grating temperature sensor detects temperature, the generation of fire can be effectively prevented, when temperature mistake
Gao Shi, meeting and alarm are simultaneously cut off the power.Fiber Bragg grating strain sensor can avoid setting caused by because of factors such as strong wind, accumulated snow in time
Apply damage.
As shown in Fig. 2, the fiber grating temperature sensor includes bare optical fibers and bare optical gratings, metal tube, heat-conducting liquid, asphalt mixtures modified by epoxy resin
Rouge, bare optical fibers and bare optical gratings are inserted into the lumen of metal tube, and the metal tube is stainless steel tube, and stainless steel tube one end is that hemispherical is close
Envelope, can effectively transmit temperature, another end opening.Heat-conducting liquid, the opening asphalt mixtures modified by epoxy resin of metal tube are added in the lumen of metal tube
Rouge sealing, bare optical fibers and bare optical gratings pass through epoxy resin, form tail optical fiber outside the lumen of metal tube.Sensor is integrally in thin tube-like, can
To be punched to structural body, measured after being embedded to sensor.
As shown in figure 3, the fiber Bragg grating strain sensor includes bare optical fibers and bare optical gratings, sheet metal with groove, asphalt mixtures modified by epoxy resin
Rouge, bare optical fibers and bare optical gratings are placed in the groove of sheet metal, and epoxy resin is filled in groove, and the both ends of bare optical fibers and bare optical gratings pass through metal
Piece forms tail optical fiber.Threaded hole is had on four corners of sheet metal, is fixed on fiber Bragg grating strain sensor by threaded hole
Tested mechanism surface.
The tail optical fiber of the fiber grating temperature sensor and one end tail optical fiber of fiber Bragg grating strain sensor weld together,
The other end tail optical fiber of fiber Bragg grating strain sensor is connected with fiber Bragg grating (FBG) demodulator, fiber Bragg grating (FBG) demodulator and computer phase
Even.
The content being not described in detail in this specification belongs to the prior art well known to those skilled in the art.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (3)
1. a kind of Culture complex security system based on fiber grating, it is characterised in that: including fiber grating temperature sensor,
Fiber Bragg grating strain sensor, fiber Bragg grating (FBG) demodulator and computer, the fiber grating temperature sensor include bare fibre light
Grid, metal tube, heat-conducting liquid, epoxy resin, bare optical fibers and bare optical gratings are inserted into the lumen of metal tube, and addition is led in the lumen of metal tube
The opening of hot liquid, metal tube is sealed with epoxy resin, and bare optical fibers and bare optical gratings pass through epoxy resin, is formed outside the lumen of metal tube
Tail optical fiber, the fiber Bragg grating strain sensor include bare optical fibers and bare optical gratings, sheet metal with groove, epoxy resin, bare optical fibers and bare optical gratings
It is placed in the groove of sheet metal, epoxy resin is filled in groove, the both ends of bare optical fibers and bare optical gratings pass through sheet metal and form tail optical fiber, institute
One end tail optical fiber of the tail optical fiber and fiber Bragg grating strain sensor of stating fiber grating temperature sensor welds together, and fiber grating is answered
The other end tail optical fiber for becoming sensor is connected with fiber Bragg grating (FBG) demodulator, and fiber Bragg grating (FBG) demodulator is connected with computer.
2. the Culture complex security system according to claim 1 based on fiber grating, it is characterised in that: the optical fiber
The metal tube of grating temperature sensor is stainless steel tube, the sealing of stainless steel tube one end, another end opening.
3. the Culture complex security system according to claim 1 based on fiber grating, it is characterised in that: the optical fiber
Threaded hole is had on four corners of the sheet metal of grating strain transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560975.XU CN209148008U (en) | 2018-09-25 | 2018-09-25 | A kind of Culture complex security system based on fiber grating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821560975.XU CN209148008U (en) | 2018-09-25 | 2018-09-25 | A kind of Culture complex security system based on fiber grating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148008U true CN209148008U (en) | 2019-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821560975.XU Active CN209148008U (en) | 2018-09-25 | 2018-09-25 | A kind of Culture complex security system based on fiber grating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542492A (en) * | 2019-10-10 | 2019-12-06 | 深圳市基础工程有限公司 | Fiber grating temperature sensor with built-in heat-conducting liquid |
| CN112525237A (en) * | 2019-09-17 | 2021-03-19 | 武汉理工大学 | EFPI-FBG composite pressure and temperature sensor based on epoxy resin packaging and measuring method |
-
2018
- 2018-09-25 CN CN201821560975.XU patent/CN209148008U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112525237A (en) * | 2019-09-17 | 2021-03-19 | 武汉理工大学 | EFPI-FBG composite pressure and temperature sensor based on epoxy resin packaging and measuring method |
| CN112525237B (en) * | 2019-09-17 | 2023-03-24 | 武汉理工大学 | EFPI-FBG composite pressure and temperature sensor based on epoxy resin packaging and measuring method |
| CN110542492A (en) * | 2019-10-10 | 2019-12-06 | 深圳市基础工程有限公司 | Fiber grating temperature sensor with built-in heat-conducting liquid |
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