CN111974646A - Protection device for vacuum encapsulation of resin adhesive optical fiber ring - Google Patents
Protection device for vacuum encapsulation of resin adhesive optical fiber ring Download PDFInfo
- Publication number
- CN111974646A CN111974646A CN202010696205.3A CN202010696205A CN111974646A CN 111974646 A CN111974646 A CN 111974646A CN 202010696205 A CN202010696205 A CN 202010696205A CN 111974646 A CN111974646 A CN 111974646A
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- Prior art keywords
- sealing cover
- screw
- protection device
- optical fiber
- glue
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C21/00—Accessories or implements for use in connection with applying liquids or other fluent materials to surfaces, not provided for in groups B05C1/00 - B05C19/00
- B05C21/005—Masking devices
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- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a protection device for vacuum encapsulation of a resin adhesive optical fiber ring, which comprises an upper sealing cover (3) and a lower sealing cover (5); the upper sealing cover (3) and the lower sealing cover (5) are respectively arranged at the upper end and the lower end of the framework (1), and the contact part with the framework (1) is sealed by a first sealing gasket (4); the upper sealing cover (3) is connected with the lower sealing cover (5) through a screw (7), and a second sealing gasket (6) is arranged at the screw (7). Protection space (12) have been formed after the installation, and installation screw (2) on skeleton (1) all are in protection space (12), and at the encapsulating in-process, glue solution (10) are kept apart outside the sealed cowling, and screw (2) do not contact at the encapsulating overall process and seal the glue, demolish protection device after the solidification, and screw (2) on skeleton (1) have obtained the protection, no longer need clear up hard epoxy in the screw.
Description
Technical Field
The invention relates to an encapsulation protection device, in particular to a protection device for vacuum encapsulation of an optical fiber ring by using resin adhesive.
Background
The fiber optic gyroscope is a mature solid angular rate sensor and is an angular rate sensor which is widely applied at home and abroad at present. The core component of the fiber optic gyroscope is an optical fiber sensing ring (referred to as an optical fiber ring for short), the performance of the optical fiber ring directly determines the final performance of the fiber optic gyroscope, and an important ring in the manufacturing process of the optical fiber ring is vacuum encapsulation. The wound optical fiber ring is solidified and molded to form a stable structure through vacuum encapsulation, so that the sensing function of the optical fiber gyroscope is realized, the temperature and the mechanical function of the optical fiber gyroscope are ensured, and the method is a core process in the manufacturing process of the optical fiber gyroscope.
Because the higher epoxy glue of modulus has been adopted in the vacuum encapsulation of certain type of optic fibre ring, the skeleton has a plurality of screws for the installation, some be the through-hole, some be the blind hole, if these hole contact seals the glue in-process in vacuum potting, it will get into in the screw to seal the glue, after the solidification because epoxy glue intensity is very high, be difficult to the clearance, it is unsatisfactory to the individual shutoff effect of screw, and often consume a lot of time because the screw is in large quantity, in case there is a hole shutoff to lose efficacy, will lead to sealing the glue to get into the screw, the clearance difficulty, especially the blind hole, it is difficult to clean up, it is impaired to lead to the screw in the clearance process possibly, influence the installation, cause the quality defect of skeleton, because of leading to the quality defect from this in the preparation.
Therefore, a protection device for vacuum encapsulation of resin adhesive optical fiber loops is needed to be developed to solve the quality defect caused by screw dipping and ensure the quality and yield of the resin adhesive optical fiber loops.
Disclosure of Invention
The invention provides a protection device for vacuum encapsulation of a resin adhesive optical fiber ring, wherein a screw hole does not contact with an encapsulation adhesive in the whole process of the encapsulation adhesive, and hard epoxy adhesive in a thread does not need to be cleaned.
The invention relates to a protection device for vacuum encapsulation of a resin adhesive optical fiber ring.A resin adhesive is adopted for vacuum encapsulation of the optical fiber ring 8, a framework 1 is provided with a plurality of screw holes 2 for installation, and the protection device forms a closed protection space 12 at the screw holes 2; in the glue pouring process, the glue solution is isolated outside the sealing covers 3 and 5, and the screw hole 2 does not contact the glue in the whole glue pouring process.
Further, the protection device comprises an upper sealing cover 3 and a lower sealing cover 5; the upper sealing cover 3 and the lower sealing cover 5 are respectively arranged at the upper end and the lower end of the framework 1, and the contact part with the framework 1 is sealed by a first sealing gasket 4; the upper sealing cover 3 is connected with the lower sealing cover 5 through a screw 7, and a second sealing gasket 6 is arranged at the screw 7.
Furthermore, the upper sealing cover 3 is a cylindrical boss facing the center of one end of the framework 1, a connecting screw hole is formed in the center of the boss, a round hole is formed in the center of the lower sealing cover 5, and a screw 7 penetrates through the round hole in the center of the lower sealing cover 5 and is connected with the connecting screw hole of the upper sealing cover 3.
The protection device of the invention forms a closed protection space at the screw hole of the framework, can prevent the mounting thread on the framework from contacting with the sealing glue in the vacuum encapsulation process, realizes the protection of the screw hole in the glue encapsulation process, ensures the quality of the mounting hole of the framework, and simultaneously reduces a large amount of work for cleaning the screw hole.
Drawings
FIG. 1: the protection device of the invention is shown schematically;
FIG. 2: the glue filling process is not provided with a protection device;
FIG. 3: the glue filling process has the function schematic diagram of a protection device.
1: framework, 2: screw hole, 3: upper seal cover, 4: first gasket, 5: lower seal cover, 6: second gasket, 7: screw, 8: optical fiber loop, 9: container, 10: glue solution, 11: glue is sealed after the encapsulating and gets into screw, 12: closed space, 13: after pouring the glue, the glue is sealed and does not enter the screw hole
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of the protection device of the present invention, a protection space 12 is formed after installation according to fig. 1, installation screw holes 2 on the framework are all located in the protection space 12, glue 10 is isolated outside a sealing cover in the glue pouring process, the screw holes 2 do not contact with the glue in the whole glue pouring process, the protection device is removed after curing, the screw holes 2 on the framework are protected, and hard epoxy glue in threads does not need to be cleaned.
One specific implementation of the protected space 12 of the present invention is: the protection device comprises an upper sealing cover 3 and a lower sealing cover 5. The upper sealing cover 3 and the lower sealing cover 5 are respectively arranged at the upper end and the lower end of the framework 1, and the contact part of the upper sealing cover and the lower sealing cover and the framework 1 is sealed by a first sealing gasket 4; the upper sealing cover 3 is connected with the lower sealing cover 5 through a screw 7, and a second sealing gasket 6 is arranged at the screw 7.
The connection of screw 7 is realized as, go up sealed cowling 3 and be the cylinder boss towards 1 one end central point of skeleton position, open at the boss center has the connection screw, and the round hole is seted up at sealed cowling 5 centers down to have the concave station, screw 7 passes sealed cowling 5 center round hole down, is connected the screw with last sealed cowling 3 and is connected. And a second sealing gasket 6 is arranged at the bottom of the concave table to seal between the screw 7 and the lower sealing cover 5.
FIG. 2 is a schematic view of the glue filling process without using the unprotected device of the present invention; the screw hole is directly contacted with the pouring sealant, the pouring sealant enters the screw hole 12 (which is an enlargement of the screw hole 2) after the pouring sealant is formed, and hard excess is formed in the screw hole after solidification and waits for cleaning.
Fig. 3 shows that after the device is used, the optical fiber ring 8 after the device is used is placed in a container 9 filled with glue solution 10, because the threaded hole 1 is in a closed protection space in the glue dipping process, the glue solution 10 is not immersed, the threaded hole 1 is not in contact with the sealing glue, the sealing glue does not enter the threaded hole 13 after the glue pouring (which is an enlargement of the threaded hole 2), and the threaded hole is new after the glue pouring and does not need to be cleaned.
The protection device has the following structural characteristics:
1. the air tightness is realized, and meanwhile, glue liquid can be prevented from entering a protection space;
2. the protection device can be repeatedly used.
The above embodiments are only for explaining and explaining the technical solution of the present invention, but should not be construed as limiting the scope of the claims. It should be clear to those skilled in the art that any simple modification or replacement based on the technical solution of the present invention may be adopted to obtain a new technical solution, which falls within the scope of the present invention.
Claims (3)
1. A protection device for vacuum encapsulation of a resin adhesive optical fiber ring is characterized in that the optical fiber ring (8) adopts resin adhesive in vacuum encapsulation, a framework (1) is provided with a plurality of screw holes (2) for installation, and the protection device forms a closed protection space (12) at the screw holes (2); in the glue pouring process, the glue solution is isolated outside the sealing covers (3, 5), and the screw hole (2) does not contact the glue in the whole glue pouring process.
2. A protection device for vacuum potting of resin adhesive optical fiber loops according to claim 1, characterized in that the protection device comprises an upper sealing cover (3), a lower sealing cover (5); the upper sealing cover (3) and the lower sealing cover (5) are respectively arranged at the upper end and the lower end of the framework (1), and the contact part of the upper sealing cover and the lower sealing cover with the framework (1) is sealed by a first sealing gasket (4); the upper sealing cover (3) is connected with the lower sealing cover (5) through a screw (7), and a second sealing gasket (6) is arranged at the screw (7).
3. The protection device for vacuum encapsulation of the resin adhesive optical fiber ring according to claim 2, wherein the upper sealing cover (3) is a cylindrical boss at a position facing to the center of one end of the framework (1), a connecting screw hole is formed in the center of the boss, a circular hole is formed in the center of the lower sealing cover (5), and the screw (7) penetrates through the circular hole in the center of the lower sealing cover (5) and is connected with the connecting screw hole of the upper sealing cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696205.3A CN111974646A (en) | 2020-09-23 | 2020-09-23 | Protection device for vacuum encapsulation of resin adhesive optical fiber ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010696205.3A CN111974646A (en) | 2020-09-23 | 2020-09-23 | Protection device for vacuum encapsulation of resin adhesive optical fiber ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111974646A true CN111974646A (en) | 2020-11-24 |
Family
ID=73439286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010696205.3A Pending CN111974646A (en) | 2020-09-23 | 2020-09-23 | Protection device for vacuum encapsulation of resin adhesive optical fiber ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111974646A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1419745A1 (en) * | 1987-02-05 | 1988-08-30 | Научно-производственное объединение по механизации и автоматизации производства машин для хлопководства "Технолог" | Apparatus for applying coatings on articles by dipping |
| DE3815623A1 (en) * | 1988-05-07 | 1989-11-16 | Merck Patent Gmbh | DISCHARGE LOCK FOR LIQUID CONTAINERS |
| CN202903199U (en) * | 2012-11-09 | 2013-04-24 | 武汉长盈通光电技术有限公司 | Winder clamp device for fixing optical fiber ring framework |
| CN103115621A (en) * | 2013-01-17 | 2013-05-22 | 北京航空航天大学 | Optical fiber gyroscope sensing ring device for petroleum gradiograph |
| CN203578139U (en) * | 2013-11-08 | 2014-05-07 | 深圳市太阳讯传感科技有限公司 | Fiber loop glue injecting clamp |
| CN103884353A (en) * | 2014-03-18 | 2014-06-25 | 北京航天时代光电科技有限公司 | Dismountable skeleton tool, and dismounting device and method for same |
| CN106595627A (en) * | 2016-12-19 | 2017-04-26 | 中国电子科技集团公司第四十六研究所 | Optical fiber loop skeleton and gumming curing method thereof |
| CN206787580U (en) * | 2017-06-05 | 2017-12-22 | 北京菲波森思科技有限公司 | A kind of skeleton of skeleton-free fiber loop removes device |
-
2020
- 2020-09-23 CN CN202010696205.3A patent/CN111974646A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1419745A1 (en) * | 1987-02-05 | 1988-08-30 | Научно-производственное объединение по механизации и автоматизации производства машин для хлопководства "Технолог" | Apparatus for applying coatings on articles by dipping |
| DE3815623A1 (en) * | 1988-05-07 | 1989-11-16 | Merck Patent Gmbh | DISCHARGE LOCK FOR LIQUID CONTAINERS |
| CN202903199U (en) * | 2012-11-09 | 2013-04-24 | 武汉长盈通光电技术有限公司 | Winder clamp device for fixing optical fiber ring framework |
| CN103115621A (en) * | 2013-01-17 | 2013-05-22 | 北京航空航天大学 | Optical fiber gyroscope sensing ring device for petroleum gradiograph |
| CN203578139U (en) * | 2013-11-08 | 2014-05-07 | 深圳市太阳讯传感科技有限公司 | Fiber loop glue injecting clamp |
| CN103884353A (en) * | 2014-03-18 | 2014-06-25 | 北京航天时代光电科技有限公司 | Dismountable skeleton tool, and dismounting device and method for same |
| CN106595627A (en) * | 2016-12-19 | 2017-04-26 | 中国电子科技集团公司第四十六研究所 | Optical fiber loop skeleton and gumming curing method thereof |
| CN206787580U (en) * | 2017-06-05 | 2017-12-22 | 北京菲波森思科技有限公司 | A kind of skeleton of skeleton-free fiber loop removes device |
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Application publication date: 20201124 |
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