CN211042265U - Packaging structure of optical fiber sensor - Google Patents
Packaging structure of optical fiber sensor Download PDFInfo
- Publication number
- CN211042265U CN211042265U CN201922368216.4U CN201922368216U CN211042265U CN 211042265 U CN211042265 U CN 211042265U CN 201922368216 U CN201922368216 U CN 201922368216U CN 211042265 U CN211042265 U CN 211042265U
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- Prior art keywords
- optical fiber
- fiber sensor
- fixedly connected
- seal housing
- round hole
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 74
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000007787 solid Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000001448 refractive index detection Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses an optical fiber sensor packaging structure, which comprises a sealing shell, wherein a light guide-in mechanism is arranged inside the sealing shell; the light guide-in mechanism comprises a round hole, a condenser lens, a fixed rod, a fixed ring and an optical fiber sensor; the round hole has all been seted up to the seal housing left and right sides, the inside fixedly connected with condensing lens of round hole, the equal fixedly connected with dead lever in both ends about both sides about the seal housing is inside, the dead lever is kept away from the solid fixed ring of one end fixedly connected with of seal housing, and solid fixed ring inside runs through there is optical fiber sensor. The utility model discloses a condensing lens on seal housing and the seal housing not only can utilize seal housing to seal up all around optical fiber sensor, has promoted the leakproofness to optical fiber sensor, adopts the condensing lens moreover, can gather the outside light source, promotes the accuracy that detects the light source.
Description
Technical Field
The utility model relates to an optical fiber sensor technical field specifically is an optical fiber sensor's packaging structure.
Background
Fiber optic sensors are a new type of sensor that has emerged in recent decades and relates to many important fields that modify or control the behavior and manner of light propagation in this region by creating a periodic refractive index profile in the axial direction of the fiber. The grating has the advantages of simple manufacture, good stability, small volume, electromagnetic interference resistance, flexible use, easy integration with the optical fiber, capability of forming a network and the like, and is widely applied to the field of optical sensing in recent years; the pressure monitoring device is mainly applied to pressure monitoring of bridges and dams in urban construction; measuring current and temperature in the power system; pressure and refractive index detection in medical and biological fields. The optical fiber sensor can be divided into an optical fiber grating sensor, an optical fiber Fabry-Perot sensor, a Brillouin backscattering distributed optical fiber sensor and the like according to the structure. The Fabry-Perot fiber sensor has attracted attention due to the characteristics of simple structure, low cost, high precision, wide measurement range and the like. Because the diameter of the bare fiber grating is only 125 micrometers, the bare fiber grating is easy to damage in a severe engineering environment, the service life of the fiber sensor is influenced, and the fiber sensor can be endowed with more stable performance by carrying out protective packaging on the bare fiber grating. Although the optical fiber sensor in the prior art has various packaging modes, the sensitivity of parameters such as stress, temperature and the like measured by the optical fiber sensor is adversely affected in the use process, and the measurement accuracy of the optical fiber sensor cannot be affected due to large loss in the stress and temperature transmission process.
Patent number CN201820154765.4 discloses an optical fiber sensor's packaging structure, belongs to sensor technical field. The optical fiber sensor comprises a steel pipe, a fixing layer and a steel bar, wherein the outer side of the optical fiber sensor is connected with the steel bar; optical fiber sensor and billet all are located the steel pipe, optical fiber sensor is located the center axis of steel pipe, and the both ends inboard of steel pipe all is equipped with the fixed bed, optical fiber sensor's both ends pass the outside that the fixed bed stretches out the steel pipe, form the cavity between steel pipe, optical fiber sensor, billet and fixed bed. The utility model discloses well packaging structure uses steel pipe and billet to encapsulate optical fiber sensor, and this provides sufficient protection for optical fiber sensor, avoids the damage to make packaging structure possess good stability, does not influence the transmission of stress and temperature, and the optical fiber sensor after realizing the encapsulation possesses good repeatability and linearity.
At present, the existing packaging structure of the optical fiber sensor has some defects, for example; the existing packaging structure of the optical fiber sensor is not good in sealing performance, an incident end and an emergent end need to be arranged, a light source cannot keep original brightness to enter the sealing shell, the detection effect is easily influenced, and moreover, the heat conducting paste needs to be replaced frequently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an optical fiber sensor's packaging structure has solved the problem that proposes among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the packaging structure of the optical fiber sensor comprises a sealing shell, wherein a light guide-in mechanism is arranged in the sealing shell;
the light guide-in mechanism comprises a round hole, a condenser lens, a fixed rod, a fixed ring and an optical fiber sensor; the round hole has all been seted up to the seal housing left and right sides, the inside fixedly connected with condensing lens of round hole, the equal fixedly connected with dead lever in both ends about both sides about the seal housing is inside, the dead lever is kept away from the solid fixed ring of one end fixedly connected with of seal housing, and solid fixed ring inside runs through there is optical fiber sensor.
As an optimal implementation mode of the utility model, the graphite heat conduction piece has all been laminated to both sides about the optical fiber sensor, the sealing rubber cover has all been bonded to graphite heat conduction piece outside round.
As an optimal implementation mode of the utility model, the quad slit has all been seted up in the middle of the upper and lower both sides of seal housing, the inside fixedly connected with sealing rubber cover of quad slit.
As an optimized embodiment of the utility model, the equal fixedly connected with sponge layer of the inboard round of solid fixed ring.
As a preferred embodiment of the present invention, the fixing rod, the fixing ring and the sealing housing are made of stainless metal.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a condensing lens on seal housing and the seal housing not only can utilize seal housing to seal up all around optical fiber sensor, has promoted the leakproofness to optical fiber sensor, adopts the condensing lens moreover, can gather the outside light source, promotes the accuracy that detects the light source, is favorable to more practical use an optical fiber sensor's packaging structure.
2. The utility model discloses a last graphite heat conduction piece and the sealing rubber cover of optical fiber sensor not only can utilize graphite heat conduction piece with outside heat, on leading-in to optical fiber sensor from upper and lower both sides, adopt the sealing rubber cover moreover, can utilize the sealing rubber cover to seal up the upper and lower both sides of seal housing, be favorable to more practical use an optical fiber sensor's packaging structure.
3. The utility model discloses a sponge layer in the fixed ring can utilize the sponge layer to protect optical fiber sensor, has avoided optical fiber sensor to receive the damage, is favorable to more practical use optical fiber sensor's packaging structure.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a front view of a package structure of an optical fiber sensor according to the present invention;
fig. 2 is a view of a fixing ring of the package structure of an optical fiber sensor according to the present invention;
fig. 3 is a top view of a sealing housing of an optical fiber sensor package structure according to the present invention.
In the figure: 1, seal housing 2, optical fiber sensor 3, graphite heat conduction piece 4, dead lever 5, solid fixed ring 6, round hole 7, condensing lens 8, sponge layer 9, quad slit 10, sealing rubber cover.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides a technical solution: the packaging structure of the optical fiber sensor comprises a sealing shell 1, wherein a light guide-in mechanism is arranged inside the sealing shell 1;
the light guide-in mechanism comprises a round hole 6, a condenser lens 7, a fixing rod 4, a fixing ring 5 and an optical fiber sensor 2; round hole 6 has all been seted up to the both sides about sealed housing 1, the inside fixedly connected with condensing lens 7 of round hole 6, sealed housing 1 is inside about both sides the equal fixedly connected with dead lever 4 in both ends about, the solid fixed ring 5 of one end fixedly connected with of sealed housing 1 is kept away from to dead lever 4, and solid fixed ring 5 is inside to run through there is optical fiber sensor 2.
Please refer to fig. 1 in this embodiment, through the condenser 7 on the sealing housing 1 and the sealing housing 1, not only can utilize the sealing housing 1 to seal the optical fiber sensor 2 all around, promote the leakproofness to the optical fiber sensor 2, adopt the condenser 7 moreover, can gather the outside light source, promote the accuracy that detects the light source, be favorable to more practical use an optical fiber sensor's packaging structure.
The upper side and the lower side of the optical fiber sensor 2 are respectively attached with a graphite heat conduction block 3, and a sealing rubber sleeve 10 is bonded to one circle of the outer side of the graphite heat conduction block 3.
In the embodiment, referring to fig. 1, through the graphite heat-conducting block 3 and the sealing rubber sleeve 10 on the optical fiber sensor 2, external heat can be conducted into the optical fiber sensor 2 from the upper side and the lower side by using the graphite heat-conducting block 3, and the sealing rubber sleeve 10 is adopted, so that the upper side and the lower side of the sealing shell 1 can be sealed by using the sealing rubber sleeve 10, and the optical fiber sensor packaging structure is more practical.
Wherein, square hole 9 has all been seted up in the middle of the upper and lower both sides of seal shell 1, the inside fixedly connected with sealing rubber sleeve 10 of square hole 9.
Wherein, the equal fixedly connected with sponge layer 8 of the inboard round of solid fixed ring 5.
In the embodiment, referring to fig. 1, the sponge layer 8 in the fixing ring 5 can be used to protect the optical fiber sensor 2, so that the optical fiber sensor 2 is prevented from being damaged, and a more practical packaging structure for the optical fiber sensor is facilitated.
The fixing rod 4, the fixing ring 5 and the sealing shell 1 are made of stainless metal materials.
When the packaging structure of the optical fiber sensor is used, the sealing shell 1 and the condenser lens 7 arranged on the sealing shell 1 can be used for sealing the periphery of the optical fiber sensor 2 by using the sealing shell 1, thereby improving the sealing performance of the optical fiber sensor 2, and the condensing lens 7 is adopted, so that the light source at the outer side can be condensed, the accuracy of light source detection is improved, by arranging the graphite heat-conducting block 3 and the sealing rubber sleeve 10 on the optical fiber sensor 2, not only can external heat be guided to the optical fiber sensor 2 from the upper side and the lower side by using the graphite heat-conducting block 3, moreover, the sealing rubber sleeve 10 is adopted, the upper side and the lower side of the sealing shell 1 can be sealed by the sealing rubber sleeve 10, and through the sponge layer 8 in the fixing ring 5, the sponge layer 8 can be used for protecting the optical fiber sensor 2, and the optical fiber sensor 2 is prevented from being damaged.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An optical fiber sensor's packaging structure, includes sealed casing (1), its characterized in that: a light ray leading-in mechanism is arranged in the sealed shell (1);
the light guide-in mechanism comprises a round hole (6), a condenser (7), a fixing rod (4), a fixing ring (5) and an optical fiber sensor (2); round hole (6) have all been seted up to seal housing (1) the left and right sides, round hole (6) inside fixedly connected with condensing lens (7), seal housing (1) is inside about both sides the equal fixedly connected with dead lever (4) in both ends about, the solid fixed ring of one end fixedly connected with (5) of seal housing (1) is kept away from in dead lever (4), and solid fixed ring (5) inside has run through fiber sensor (2).
2. The package structure of the optical fiber sensor according to claim 1, wherein: graphite heat conduction blocks (3) are attached to the upper side and the lower side of the optical fiber sensor (2), and sealing rubber sleeves (10) are bonded to the outer circle of each graphite heat conduction block (3).
3. The package structure of the optical fiber sensor according to claim 1, wherein: the sealing shell is characterized in that square holes (9) are formed in the middle of the upper side and the lower side of the sealing shell (1), and sealing rubber sleeves (10) are fixedly connected inside the square holes (9).
4. The package structure of the optical fiber sensor according to claim 1, wherein: the inner side of the fixing ring (5) is fixedly connected with a sponge layer (8).
5. The package structure of the optical fiber sensor according to claim 1, wherein: the fixing rod (4), the fixing ring (5) and the sealing shell (1) are all made of stainless metal materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922368216.4U CN211042265U (en) | 2019-12-25 | 2019-12-25 | Packaging structure of optical fiber sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922368216.4U CN211042265U (en) | 2019-12-25 | 2019-12-25 | Packaging structure of optical fiber sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042265U true CN211042265U (en) | 2020-07-17 |
Family
ID=71530427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922368216.4U Expired - Fee Related CN211042265U (en) | 2019-12-25 | 2019-12-25 | Packaging structure of optical fiber sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211042265U (en) |
-
2019
- 2019-12-25 CN CN201922368216.4U patent/CN211042265U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 |