CN207730342U - Fiber-optic grating sensor applied to highway - Google Patents
Fiber-optic grating sensor applied to highway Download PDFInfo
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- CN207730342U CN207730342U CN201820023941.0U CN201820023941U CN207730342U CN 207730342 U CN207730342 U CN 207730342U CN 201820023941 U CN201820023941 U CN 201820023941U CN 207730342 U CN207730342 U CN 207730342U
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Abstract
The utility model discloses the fiber-optic grating sensors applied to highway, including：Package tube, inside be made of a first through hole, two the second through-holes and two third through-holes；Fixinig plate, both ends are cross, and middle part is cuboid or cylindrical, and the both ends of fixinig plate are located in two third through-holes, and are in contact respectively with the madial wall for forming third through-hole on corresponding package tube positioned at each extension at its both ends；Two encapsulation headers, there are one encapsulation headers, encapsulation header to be threadedly coupled with package tube for setting in second through-hole, and the both ends of the fixinig plate of two encapsulation headers respectively and corresponding thereto offset；Fiber grating passes through the middle part of two encapsulation headers, the middle part and both ends of fixinig plate, and its both ends is located at the outside of encapsulation header.The utility model is provided simultaneously with stronger protection intensity and faster response speed, and simple in structure, and installation speed is fast.
Description
Technical field
The utility model is related to sensor technical fields.More specifically, the utility model is related to be applied to highway
Fiber-optic grating sensor.
Background technology
Traffic is the thing closely bound up with people, also restricts the principal element of urban development, it may be said that traffic
Quality can directly determine the development destiny in a city.Annual country will put into substantial contribution built used in highway and
In maintenance, wherein maintenance cost occupies greatly.It is public even in this way, still thering are a large amount of highways to be destroyed every year
The earlier period damage on road has become the major disease for influencing highway using the performance of function and induction traffic accident.And destroy one
As be all because of automobile overload, caused by hypervelocity and natural cause, and the quality that Ye He highways are built has much relations.Institute
It is necessary with carrying out health detection during construction of the highway process and use.Present highway generally divides three layers
It constructs, is divided into underlayment, common layer and bitumen layer, be embedded to temperature in the construction process and strain transducer can be timely
Temperature and the situation of change of strain are obtained, road quality is monitored in real time.
Traditional temperature sensor have precision it is low, easily by electromagnetic interference, that stability is poor, signal transmission distance is short etc. is scarce
Point, it is difficult to accurately be monitored in severe working environment.And fiber-optical grating temperature sensor and traditional temperature sensing
Device is compared, and has strong, long distance of signal transmission of high sensitivity, small, light-weight, safety anti-explosive, anti-electromagnetic interference capability etc.
Advantage, therefore, fiber-optical grating temperature sensor are favored by all trades and professions more and more widely.
There is the encapsulating structures of fiber-optical grating temperature sensor to have simultaneously for existing fiber-optical grating temperature sensor
Standby higher protection intensity and faster response speed, and complicated, the problems such as when installation fee.
Utility model content
The purpose of this utility model is to provide the fiber-optic grating sensor applied to highway, so that optical fiber grating temperature
Sensor is provided simultaneously with stronger protection intensity and faster response speed, and simple in structure, and installation speed is fast.
In order to realize these purposes and other advantages according to the present utility model, the optical fiber applied to highway is provided
Grating sensor, including：
Package tube, is the cylinder bodily form of inner hollow, the inside of the package tube by a first through hole, two second
Through-hole and two third through-holes composition, the first through hole are cylindrical, and are arranged at the middle part of the package tube, two the
Two through-holes are separately positioned on the both ends of the package tube, and are symmetrical arranged relative to the first through hole, and the second through-hole is cylinder
The bodily form, and formed on package tube on the madial wall of the second through-hole and be provided with internal thread, two third through-holes are relative to first through hole
It is symmetrical arranged, third through-hole is the square bodily form, and third through-hole is between first through hole and the second through-hole, first through hole, second
Through-hole and third through-hole are coaxially disposed with the package tube respectively；
Fixinig plate, both ends are cross, and are symmetrical arranged relative to its middle part, the middle part of fixinig plate be cuboid or
Cylindrical, the axis at the middle part of fixinig plate pass through the center at its both ends, and the both ends of fixinig plate are located at two third through-holes
In, and connect respectively with the madial wall for forming third through-hole on corresponding package tube positioned at each extension at its both ends
It touches, the fixinig plate can pass through first through hole and the second through-hole；
Two encapsulation headers, in second through-hole setting be provided with external screw thread, encapsulation header in encapsulation header there are one encapsulation header
It is threadedly coupled with package tube, the both ends of the fixinig plate of two encapsulation headers respectively and corresponding thereto offset；
Fiber grating passes through the middle part of two encapsulation headers, the middle part and both ends of fixinig plate, and its both ends is located at envelope
The outside of head is filled, fiber grating is fixedly connected with the both ends of fixinig plate.
Preferably, in the fiber-optic grating sensor applied to highway, the end setting of an extension
There are one notches, and notch is between one extension and the encapsulation header to offset with it；
The fiber-optic grating sensor applied to highway further includes：
Connecting plate is fixedly connected with the madial wall of the package tube, and in the third through-hole, and described in insertion
In notch；
Guide rod, parallel with the axis of the package tube, one end of guide rod is fixedly connected with the connecting plate, another
End is inserted into across one extension in the extension opposite with one extension.
Preferably, in the fiber-optic grating sensor applied to highway, first through hole and the second through-hole
Diameter is equal.
Preferably, in the fiber-optic grating sensor applied to highway, the notch be cuboid or
The square bodily form, the size of connecting plate are identical as the size of notch.
Preferably, in the fiber-optic grating sensor applied to highway, the guide rod is cuboid,
The through-hole passed through for guide rod on one extension is cuboid, is supplied on the extension opposite with one extension
The blind hole that guide rod is inserted into is cuboid, and the size phase of the size of the cross section of through-hole and blind hole and the cross section of guide rod
Together.
Preferably, in the fiber-optic grating sensor applied to highway, the middle part of the fixinig plate is length
Cube shape.
The utility model includes at least following advantageous effect：
The utility model protects fiber grating using package tube and fixinig plate so that fiber grating temperature sensor
Device has stronger protection intensity.Because forming the madial wall of first through hole on the middle part of fixinig plate and package tube not in contact with guarantee
Fiber grating in first through hole can sense rapidly heat, improve sound of the fiber-optical grating temperature sensor to environment temperature
Answer speed.
The utility model can be such that fixinig plate enters in package tube along guide rod, and make fixinig plate by the way that guide rod is arranged
Both ends move in third through-hole respectively, later install two encapsulation headers, you can so that fiber grating is fixed in package tube, structure
Simply, installation speed is fast.
Part is illustrated to embody by the further advantage, target and feature of the utility model by following, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is shown according to the structure of the fiber-optic grating sensor applied to highway of the utility model one embodiment
It is intended to；
Fig. 2 is the structural schematic diagram according to the guide rod of the utility model one embodiment；
Fig. 3 is the structural schematic diagram according to the connecting plate of the utility model one embodiment.
Specific implementation mode
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and is not instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the utility model.
As shown in Figure 1 to Figure 3, the utility model provides the fiber-optic grating sensor applied to highway, including：
Package tube 100 is the cylinder bodily form of inner hollow, and the inside of the package tube 100 is by a first through hole
101, two the second through-holes 102 and two third through-holes 103 form, and the first through hole 101 is cylindrical, and is arranged in institute
The middle part of package tube 100 is stated, two the second through-holes 102 are separately positioned on the both ends of the package tube 100, and relative to described
One through-hole 101 is symmetrical arranged, and the second through-hole 102 is cylindrical, and the madial wall of the second through-hole 102 is formed on package tube 100
On be provided with internal thread, two third through-holes 103 are symmetrical arranged relative to first through hole 101, and third through-hole 103 is square
Shape, third through-hole 103 are located between first through hole 101 and the second through-hole 102, first through hole 101, the second through-hole 102 and third
Through-hole 103 is coaxially disposed with the package tube 100 respectively；Package tube 100 is made of materials such as metal, glass or ceramics, uses
Package tube 100 made of above-mentioned material has certain thickness and intensity, to ensure to have stronger protection strong fiber grating 130
Degree.
Fixinig plate 110, both ends are cross (as shown in Figure 3), and are symmetrical arranged relative to its middle part, and middle part is rectangular
The bodily form or cylindrical, the axis at the middle part of fixinig plate 110 pass through the center at its both ends, and the both ends of fixinig plate 110 are located at
In two third through-holes 103, and each extension positioned at its both ends forms third on corresponding package tube 100 respectively
The madial wall of through-hole 103 is in contact, and the both ends of such fixinig plate 110 can not rotate, and the fixinig plate 110 can pass through first through hole
101 and second through-hole 102；Fixinig plate 110 is made of metal, glass, ceramics, bakelite or composite material, not only makes fixinig plate 110
Itself there is certain hardness, and convenient for fixing and avoiding making its softening because encountering heat, that is, ensure that package tube 100 is right
The protection intensity of fiber grating 130.
Two encapsulation headers 120, in second through-hole 102 setting be provided in encapsulation header 120 there are one encapsulation header 120
External screw thread, encapsulation header 120 are threadedly coupled with package tube 100, the fixinig plate 110 of two encapsulation headers 120 respectively and corresponding thereto
Both ends offset；Fixinig plate 110 can not move axially in this way.
Fiber grating 130 passes through the middle part of two encapsulation headers 120, the middle part of fixinig plate 110 and both ends (i.e. two envelopes
Fill the middle part of head 120, the middle part of fixinig plate 110 and both ends and be respectively arranged with the hole passed through for fiber grating 130), and its both ends
It is located at the outside of encapsulation header 120, fiber grating 130 is fixedly connected with the both ends of fixinig plate 110.Fiber grating is in package tube
Axis on, fiber grating 130 is fixed on by way of gluing or welding in the hole at the both ends of fixinig plate 110, optical fiber light
Grid 130 are not contacted with the side wall corresponding to the hole at the middle part of fixinig plate 110.
130 sensor of fiber grating applied to highway that this programme provides, when mounted, fiber grating 130 are logical
Gluing or the mode of welding are crossed, middle part is fixed on and is provided in the both ends of fixinig plate 110 of oblong aperture, if fixinig plate 110 is gold
It when category, is fixed by way of gluing or welding, if fixinig plate 110 is nonmetallic, is carried out by way of gluing
It is fixed.When fixed, it is ensured that the fiber grating 130 being fixed on fixinig plate 110 is in relaxed state.Then optical fiber light will be fixed with
The fixinig plate 110 of grid 130 is pushed into package tube 100, and the both ends of fixinig plate 110 is made to be located in two third through-holes 103, with
Realize being tightly fastened to fixinig plate 110 of package tube 100；The fiber grating 130 for stretching out 110 both ends of fixinig plate is each passed through again
After the through-hole passed through for fiber grating 130 in two encapsulation headers, being connected with optical cable 140, (connection type is in the prior art
Any type), then two encapsulation headers are screwed into respectively in two the second through-holes 102, and is threadedly coupled with package tube 100, are made
Both ends of two encapsulation headers respectively with fixinig plate 110 offset, to ensure the stability of entire encapsulating structure.The utility model uses
Package tube 100 and fixinig plate 110 protect fiber grating 130 so that 130 temperature sensor of fiber grating has relatively strong
Protection intensity.Because forming the madial wall of first through hole 101 on middle part and the package tube 100 of fixinig plate 110 not in contact with ensure that
Fiber grating 130 in first through hole 101 can sense rapidly heat, improve 130 temperature sensor of fiber grating to environment
The response speed of temperature.The utility model is embedded in highway in the construction process, is measured into trip temperature its position, embedment
Mode is any type in the prior art.
In one preferred embodiment, as shown in Fig. 2, 130 sensor of fiber grating applied to highway, fixed
There are one notches 111 for the end setting of one extension of one end (left end of fixinig plate 110 as shown in Figure 2) of piece 110, lack
Mouthfuls 111 be located at one extension (extension above left side as shown in Figure 2) and the encapsulation header 120 to offset with it
Between；
130 sensor of fiber grating applied to highway further includes：
Connecting plate 150 is fixedly connected with the madial wall of the package tube 100, and in the third through-hole 103,
And it is inserted into the notch 111；
Guide rod 160, one end of guide rod 160 and the connecting plate 150 parallel with the axis of the package tube 100
It is fixedly connected, the other end passes through one extension, and is inserted into one extension (above left side as shown in Figure 2
Extension) in opposite extension (extension above right side as shown in Figure 2).
It in the above scheme, when mounted, will be on guide rod 160 and one extension by the way that guide rod 160 is arranged
The through-hole passed through for guide rod 160 is opposite, backward package tube 100 in push away fixinig plate 110 to fixinig plate 110 end thereof contacts connect
Fishplate bar 150, at this time in the extension opposite with one extension of one end insertion far from connecting plate 150 on guide rod 160,
When being avoided that push-in fixinig plate 110 in this way, the side wall that third through-hole 103 is formed on package tube 100 blocks fixation as shown in Figure 2
The left end of piece 110, and the left end of fixinig plate 110 is made to can not be successfully into third through-hole 103, by the way that guide rod 160, energy is arranged
Keep installation rapider.
In one preferred embodiment, 130 sensor of fiber grating applied to highway, 101 He of first through hole
The diameter of second through-hole 102 is equal.
In the above scheme, it is only necessary to which two pieces of partition boards are set in the package tube 100 of the cylinder bodily form, then on two pieces of partition boards
Third through-hole 103 is set, you can forms package tube 100 shown in this programme.
In one preferred embodiment, 130 sensor of fiber grating applied to highway, the notch 111 is
Cuboid or the square bodily form, the size of connecting plate 150 are identical as the size of notch 111.
In the above scheme, after connecting plate 150 is inserted into notch 111, connecting plate 150 has just filled up notch 111, makes
It is more stable to obtain structure.
In one preferred embodiment, 130 sensor of fiber grating applied to highway, the guide rod 160
For cuboid, the through-hole passed through for guide rod 160 on one extension is cuboid, with one extension phase
To extension on for the blind hole that guide rod 160 is inserted into be cuboid, and the size and guiding of the cross section of through-hole and blind hole
The size of the cross section of bar 160 is identical.
In the above scheme, because guide rod 160 is cuboid, when fixinig plate 110 is pushed into package tube 100, Gu
Stator 110 can only enter along the axis direction of package tube 100 in package tube 100, and reach predeterminated position.
In one preferred embodiment, 130 sensor of fiber grating applied to highway, the fixinig plate 110
Middle part be cuboid.
In the above scheme, four extensions of one end of fixinig plate 110 can be made to be fixed on the middle part of fixinig plate 110 in this way
Four side walls on, similarly, four extensions of the other end of fixinig plate 110 can be made to be fixed on the four of the middle part of fixinig plate 110
On a side wall, integrally formed fixinig plate 110 is conveniently produced.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. the fiber-optic grating sensor applied to highway, which is characterized in that including：
Package tube is the cylinder bodily form of inner hollow, and the inside of the package tube is by a first through hole, two the second through-holes
It is formed with two third through-holes, the first through hole is cylindrical, and is arranged at the middle part of the package tube, and two second logical
Hole is separately positioned on the both ends of the package tube, and is symmetrical arranged relative to the first through hole, and the second through-hole is cylindrical,
And formed on package tube on the madial wall of the second through-hole and be provided with internal thread, two third through-holes are symmetrically set relative to first through hole
Set, third through-hole is the square bodily form, third through-hole between first through hole and the second through-hole, first through hole, the second through-hole and
Third through-hole is coaxially disposed with the package tube respectively；
Fixinig plate, both ends are cross, and are symmetrical arranged relative to its middle part, and the middle part of fixinig plate is cuboid or cylinder
The bodily form, the axis at the middle part of fixinig plate pass through the center at its both ends, the both ends of fixinig plate to be located in two third through-holes, and
Each extension positioned at its both ends is in contact with the madial wall for forming third through-hole on corresponding package tube respectively, described
Fixinig plate can pass through first through hole and the second through-hole；
Two encapsulation headers, in second through-hole setting be provided with external screw thread, encapsulation header and envelope in encapsulation header there are one encapsulation header
Tubulature is threadedly coupled, and the both ends of the fixinig plate of two encapsulation headers respectively and corresponding thereto offset；
Fiber grating passes through the middle part of two encapsulation headers, the middle part and both ends of fixinig plate, and its both ends is located at encapsulation header
Outside, fiber grating is fixedly connected with the both ends of fixinig plate.
2. being applied to the fiber-optic grating sensor of highway as described in claim 1, which is characterized in that extension
There are one notches for end setting, and notch is between one extension and the encapsulation header to offset with it；
The fiber-optic grating sensor applied to highway further includes：
Connecting plate is fixedly connected with the madial wall of the package tube, and in the third through-hole, and is inserted into the notch
In；
Guide rod, parallel with the axis of the package tube, one end of guide rod is fixedly connected with the connecting plate, and the other end is worn
One extension is crossed, and is inserted into the extension opposite with one extension.
3. being applied to the fiber-optic grating sensor of highway as described in claim 1, which is characterized in that first through hole and the
The diameter of two through-holes is equal.
4. being applied to the fiber-optic grating sensor of highway as claimed in claim 2, which is characterized in that the notch is length
Cube shape or the square bodily form, the size of connecting plate are identical as the size of notch.
5. being applied to the fiber-optic grating sensor of highway as claimed in claim 2, which is characterized in that the guide rod is
Cuboid for the through-hole that guide rod passes through is cuboid on one extension, opposite with one extension
For the blind hole that guide rod is inserted into it is cuboid on extension, and the size of the cross section of through-hole and blind hole and guide rod is transversal
The size in face is identical.
6. being applied to the fiber-optic grating sensor of highway as described in claim 1, which is characterized in that the fixinig plate
Middle part is cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023941.0U CN207730342U (en) | 2018-01-08 | 2018-01-08 | Fiber-optic grating sensor applied to highway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820023941.0U CN207730342U (en) | 2018-01-08 | 2018-01-08 | Fiber-optic grating sensor applied to highway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730342U true CN207730342U (en) | 2018-08-14 |
Family
ID=63084788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820023941.0U Active CN207730342U (en) | 2018-01-08 | 2018-01-08 | Fiber-optic grating sensor applied to highway |
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| Country | Link |
|---|---|
| CN (1) | CN207730342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160668A (en) * | 2019-05-20 | 2019-08-23 | 深圳供电局有限公司 | Optical fiber optical grating array sensor and its encapsulating structure |
-
2018
- 2018-01-08 CN CN201820023941.0U patent/CN207730342U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160668A (en) * | 2019-05-20 | 2019-08-23 | 深圳供电局有限公司 | Optical fiber optical grating array sensor and its encapsulating structure |
| CN110160668B (en) * | 2019-05-20 | 2021-12-14 | 深圳供电局有限公司 | Fiber grating array sensor and packaging structure thereof |
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