CN210222297U - Reflector packaging structure - Google Patents
Reflector packaging structure Download PDFInfo
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- CN210222297U CN210222297U CN201921288891.XU CN201921288891U CN210222297U CN 210222297 U CN210222297 U CN 210222297U CN 201921288891 U CN201921288891 U CN 201921288891U CN 210222297 U CN210222297 U CN 210222297U
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- quartz
- quartz boat
- quartz tube
- speculum
- boat
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Abstract
The utility model belongs to the technical field of and speculum encapsulation, a speculum packaging structure is disclosed, including quartz boat, speculum optic fibre, quartz capsule and metal casing. Wherein, be provided with the through groove on the quartz boat, speculum optic fibre extends along the direction of lining up that link up the recess, the part stretches into and encapsulates in lining up the recess, speculum optic fibre sets up with the tank bottom interval that link up the recess, the quartz boat encapsulates in the quartz tube, speculum optic fibre extends to the one end of quartz tube from the quartz boat in the quartz tube, quartz boat sets up with the inner wall interval of quartz tube, the quartz tube encapsulation is in the metal casing, speculum optic fibre extends to metal casing's wiring end from the quartz boat in the metal casing, the quartz tube sets up with metal casing's inner wall interval. The utility model discloses in, quartz boat, quartz capsule and the metal casing from inside to outside mutually support, can guarantee overall structure's intensity, carry out safe and reliable ground protection to optic fibre, avoid external environment to exert an influence to its performance.
Description
Technical Field
The utility model relates to a speculum encapsulation technical field especially relates to a speculum packaging structure.
Background
The reflective optical fiber sensor has the characteristics of excellent electrical insulation performance, radiation resistance, frequency response, safety and the like. The reflector is an optical device forming one core of the sensor, and the quality of the performance of the reflector directly influences the normal work and application of the sensor. The existing reflective optical fiber sensor usually adopts an optical fiber coating reflecting mirror, namely, a coating is applied to the output end of an optical fiber, in the reflecting mirror, the coating structure is easily influenced by the damp and hot environment, so that the reflectivity is changed, the performance of the reflecting mirror is influenced, and the performance and the strength of the reflecting mirror need to be ensured by packaging.
In order to ensure the performance and strength of the reflector, the packaging structure needs to meet certain use requirements: the reflectivity loss of the reflective mirror needs to be controlled within a safe value under the environment temperature change (-40 ℃ to 70 ℃), the reflectivity reduction caused by the mirror corrosion in the outdoor environment can be reliably avoided for a long time, and meanwhile, under the environment with the temperature change, the measurement error caused by the extra stress generated on the mirror by the expansion or contraction of the packaging material needs to be avoided.
When the existing packaging structure protects the optical fiber in the packaging structure, the strength of the whole structure cannot be ensured, so that the external environment has destructive influence on the performance of the packaging structure, the reflectivity is reduced, and the service life of the reflector is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a speculum packaging structure can guarantee overall structure's intensity, carries out safe and reliable ground protection to the optic fibre, avoids external environment to exert an influence to its performance.
To achieve the purpose, the utility model adopts the following technical proposal:
a mirror package structure, comprising:
the quartz boat is provided with a through groove;
the reflector optical fiber extends along the through direction of the through groove, part of the reflector optical fiber extends into and is packaged in the through groove, and the reflector optical fiber and the groove bottom of the through groove are arranged at intervals;
the quartz boat is packaged in the quartz tube, the reflector optical fiber extends from the quartz boat to one end of the quartz tube in the quartz tube, and the quartz boat and the inner wall of the quartz tube are arranged at intervals;
the quartz tube is sealed in the metal sleeve, the reflector optical fiber extends from the quartz boat to the wiring end of the metal sleeve in the metal sleeve, and the quartz tube and the inner wall of the metal sleeve are arranged at intervals.
Preferably, the metal sleeve further comprises a plastic sheath, and the plastic sheath is mounted on the terminal of the metal sleeve.
Preferably, a chamfer structure is arranged on the inner wall of the terminal of the metal sleeve.
Preferably, the plastic sheath is mounted to the terminal of the metal sleeve by an epoxy resin sealant.
Preferably, the reflector fiber is packaged on the quartz boat through silica gel, and a silica gel layer is formed between the reflector fiber and the quartz boat.
Preferably, the quartz boat is packaged in the quartz tube through silicon rubber, and a first silicon rubber layer is formed between the quartz boat and the quartz tube.
Preferably, the quartz tube is encapsulated in the metal sleeve through silicon rubber, and a second silicon rubber layer is formed between the quartz tube and the metal sleeve.
Preferably, the quartz boat is in a strip-shaped structure, and the through groove extends along the length direction of the quartz boat.
Preferably, the length of the reflector fiber extending into the through groove is not less than 5 mm.
Preferably, the length of the through groove ranges from 10mm to 20 mm.
The utility model has the advantages that:
from inside to outside quartz boat, quartz capsule and metal casing mutually support, can guarantee overall structure's intensity, protect optical fiber safe and reliable, avoid external environment to produce the influence to its performance, metal casing is located the outside, can provide the protection more reliably to other parts of inside, in addition, between speculum optic fibre and the quartz capsule, between quartz capsule and the quartz capsule, set up each other at interval when the encapsulation between quartz capsule and the metal casing, can provide basic shock attenuation and deformation buffering through the encapsulation glue, protect speculum optic fibre safe and reliable more, link up the setting of recess on the quartz capsule, can release the deformation of encapsulation glue self through unilateral open-ended structure in order to avoid producing extra pressure to the coating film part on the speculum optic fibre and lead to coating film part and optic fibre body to produce and peel off.
Drawings
Fig. 1 is a schematic structural diagram of a mirror package structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a quartz boat with a reflector fiber packaged therein according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a quartz boat according to an embodiment of the present invention;
fig. 4 is an axial cross-sectional view of a reflector package structure according to an embodiment of the present invention;
fig. 5 is a radial cross-sectional view of a reflector package structure according to an embodiment of the present invention.
In the figure:
1. a quartz boat; 11. a groove is penetrated;
2. a mirror optical fiber;
3. a quartz tube;
4. a metal sleeve; 41. a lead angle structure;
100. a layer of silicone gel; 200. a first silicone rubber layer; 300. a second silicone rubber layer.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar parts throughout, or parts having the same or similar functions. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and can include, for example, fixed or removable connections, mechanical or electrical connections, direct connections, indirect connections through an intermediary, communication between two elements, or an interaction between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include both the first and second features being in direct contact, and may also include the first and second features being in contact, not in direct contact, but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1-5, the present invention provides a reflector package structure, which comprises a quartz boat 1, a reflector fiber 2, a quartz tube 3 and a metal sleeve 4. Wherein, be provided with through groove 11 on the quartz boat 1, speculum optic fibre 2 extends along the direction of lining up that link up through groove 11, the part stretches into and encapsulates in lining up groove 11, speculum optic fibre 2 sets up with the tank bottom interval that links up through groove 11, quartz boat 1 encapsulates in quartz capsule 3, speculum optic fibre 2 extends from quartz boat 1 to the one end of quartz capsule 3 in quartz capsule 3, quartz boat 1 sets up with the inner wall interval of quartz capsule 3, quartz capsule 3 encapsulates in metal casing 4, speculum optic fibre 2 extends from quartz boat 1 to the wiring end of metal casing 4 in metal casing 4, quartz capsule 3 sets up with the inner wall interval of metal casing 4.
In the utility model, the quartz boat 1, the quartz tube 3 and the metal sleeve 4 are matched with each other from inside to outside, so as to ensure the strength of the whole structure, the optical fiber is safely and reliably protected, the performance of the optical fiber is prevented from being influenced by the external environment, the metal sleeve 4 is positioned at the outermost side, other parts inside the optical fiber can be more reliably protected, in addition, the reflecting mirror optical fiber 2 and the quartz boat 1, the quartz boat 1 and the quartz tube 3 and the metal sleeve 4 are arranged at intervals during packaging, basic shock absorption and deformation buffering can be provided through packaging glue, the reflector optical fiber 2 is protected more safely and reliably, the quartz boat 1 is provided with a through groove 11, the deformation of the packaging adhesive can be released through the structure with the single side opening so as to avoid the phenomenon that the coated part on the reflector optical fiber 2 is stripped from the optical fiber body due to extra pressure generated on the coated part.
Optionally, a plastic sheath (not shown) is further included, which is mounted to the terminal of the metal sleeve 4 and fixed by means of epoxy resin sealant and mechanical crimping, to seal the terminal of the metal sleeve 4 and protect the measuring fiber.
Specifically, the plastic sheath is made of polyvinyl chloride (PVC), so that the assembly effect is good, and the use is safe and reliable.
More specifically, a chamfered structure 41 is provided at an inner wall of the terminal of the metal sleeve 4 to facilitate assembly of the plastic sheathing.
In the present embodiment, the quartz tube 3 is encapsulated in the metal sleeve 4 by silicon rubber, a second silicon rubber layer 300 is formed between the quartz tube 3 and the metal sleeve 4, the second silicon rubber layer 300 fixedly fixes the quartz tube 3 and the metal sleeve 4 together for providing basic shock absorption and deformation buffering, the quartz boat 1 is packaged in the quartz tube 3 through silicon rubber, a first silicon rubber layer 200 is formed between the quartz boat 1 and the quartz tube 3, the first silicon rubber layer 200 fixedly fixes the quartz boat 1 and the quartz tube 3 together, and is used for providing secondary shock absorption and forming an air channel, so that external thermal expansion is isolated from the reflector optical fiber 2, the reflector optical fiber 2 is packaged on the quartz boat 1 through silicon gel, a silicon gel layer 100 is formed between the reflector optical fiber 2 and the quartz boat 1, the silica gel layer 100 secures the mirror fiber 2 and the quartz boat 1 together for providing a third damping and preventing thermal expansion stresses from being transmitted to the mirror fiber 2.
Specifically, the quartz boat 1 has a long strip-shaped structure, the through groove 11 extends along the length direction of the quartz boat 1, and the axis of the mirror optical fiber 2, the axis of the quartz boat 1, the axis of the quartz tube 3, and the axis of the metal sleeve 4 are parallel to each other.
In the present embodiment, the length of the mirror fiber 2 protruding into the through groove 11 is not less than 5 mm.
Specifically, the through grooves 11 (i.e., the quartz boats 1) have a length ranging from 10mm to 20mm, and the quartz tubes 3 have a length greater than that of the quartz boats 1 and ranging from 15mm to 25mm, and in the present embodiment, the quartz boats 1 have a length of 15mm and the quartz tubes 3 have a length of 20 mm.
In this embodiment, the material of metal sleeve 4 is 304 stainless steel, can provide reliable mechanical strength for the encapsulation is whole, speculum optic fibre 2 has the speculum, encapsulate in quartz boat 1, extend out to required length from metal sleeve 4, be used for reflecting fiber current sensor's measuring beam back to the measuring end, quartz boat 1 is the quartz glass material, be used for fixing speculum optic fibre 2 and provide basic mechanical strength, wherein speculum optic fibre 2 upper portion is the air, quartz capsule 3 is the quartz glass material equally, be used for strengthening speculum packaging structure's intensity and keep apart external vibrations.
The utility model discloses a speculum packaging structure's specific assembly order as follows:
the quartz boat 1 was fixed, the mirror optical fiber 2 was encapsulated with silica gel with a gap of 1mm above it, and curing was waited for 30 minutes.
And packaging the quartz boat 1 subjected to the packaging operation in the quartz tube 3 by using the silicon rubber, waiting for 30 minutes for curing, and confirming a gap through the transparent outer layer, wherein the gap is used for allowing the thermal expansion and the cold contraction of the packaging part.
The quartz tube 3 after the packaging operation is placed in a metal sleeve 4 for protective packaging by silicon rubber and an external plastic sheath (not shown in the figure) is fixed by a crimping pliers and epoxy resin sealant.
The finished product obtained by the steps can bear 20 impacts of 20G without influencing the performance of the reflector, and the reflectivity of the finished product is not less than 99% of the initial state in at least 5 years of outdoor use.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A reflector package structure, comprising:
the quartz boat (1), wherein a through groove (11) is arranged on the quartz boat (1);
the reflector optical fiber (2) extends along the through direction of the through groove (11), part of the reflector optical fiber extends into and is packaged in the through groove (11), and the reflector optical fiber (2) and the groove bottom of the through groove (11) are arranged at intervals;
the quartz boat (1) is packaged in the quartz tube (3), the reflector optical fiber (2) extends from the quartz boat (1) to one end of the quartz tube (3) in the quartz tube (3), and the quartz boat (1) and the inner wall of the quartz tube (3) are arranged at intervals;
the quartz tube (3) is packaged in the metal sleeve (4), the reflector optical fiber (2) is arranged in the metal sleeve (4) from the quartz boat (1) to the wiring end of the metal sleeve (4) extends, and the quartz tube (3) and the inner wall of the metal sleeve (4) are arranged at intervals.
2. The mirror package according to claim 1, further comprising a plastic sheath mounted to a terminal of the metal sleeve (4).
3. Mirror package according to claim 2, characterized in that a chamfered structure (41) is provided at the inner wall of the terminal of the metal sleeve (4).
4. The mirror package according to claim 2, wherein the plastic sheath is mounted to the terminal of the metal sleeve (4) by an epoxy sealant.
5. The mirror package according to claim 1, wherein the mirror fibers (2) are packaged on the quartz boat (1) by a silica gel, and a silica gel layer (100) is formed between the mirror fibers (2) and the quartz boat (1).
6. The mirror package according to claim 1, wherein the quartz boat (1) is packaged in the quartz tube (3) by silicon rubber, and a first silicon rubber layer (200) is formed between the quartz boat (1) and the quartz tube (3).
7. The mirror package according to claim 1, wherein the quartz tube (3) is packaged in the metal sleeve (4) by silicone rubber, and a second silicone rubber layer (300) is formed between the quartz tube (3) and the metal sleeve (4).
8. The mirror package according to claim 1, wherein the quartz boat (1) has an elongated configuration, and the through grooves (11) extend along a length of the quartz boat (1).
9. Mirror package according to any of claims 1 to 8, characterized in that the length of the mirror fiber (2) protruding into the through groove (11) is not less than 5 mm.
10. Mirror package according to claim 9, characterized in that the length of the through-going groove (11) is in the range of 10-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921288891.XU CN210222297U (en) | 2019-08-09 | 2019-08-09 | Reflector packaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921288891.XU CN210222297U (en) | 2019-08-09 | 2019-08-09 | Reflector packaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210222297U true CN210222297U (en) | 2020-03-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921288891.XU Active CN210222297U (en) | 2019-08-09 | 2019-08-09 | Reflector packaging structure |
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| CN (1) | CN210222297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115267986A (en) * | 2022-08-15 | 2022-11-01 | 武汉锐科光纤激光技术股份有限公司 | Packaging structure and optical fiber coupler |
-
2019
- 2019-08-09 CN CN201921288891.XU patent/CN210222297U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115267986A (en) * | 2022-08-15 | 2022-11-01 | 武汉锐科光纤激光技术股份有限公司 | Packaging structure and optical fiber coupler |
| CN115267986B (en) * | 2022-08-15 | 2024-01-26 | 武汉锐科光纤激光技术股份有限公司 | Packaging structure and optical fiber coupler |
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