CN112748496A - Novel free space isolator - Google Patents
Novel free space isolator Download PDFInfo
- Publication number
- CN112748496A CN112748496A CN202011563772.8A CN202011563772A CN112748496A CN 112748496 A CN112748496 A CN 112748496A CN 202011563772 A CN202011563772 A CN 202011563772A CN 112748496 A CN112748496 A CN 112748496A
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- China
- Prior art keywords
- sides
- mounting sleeve
- free space
- magnetic ring
- bolt
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- 230000003287 optical effect Effects 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims description 32
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 description 6
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/27—Optical coupling means with polarisation selective and adjusting means
- G02B6/2746—Optical coupling means with polarisation selective and adjusting means comprising non-reciprocal devices, e.g. isolators, FRM, circulators, quasi-isolators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Abstract
The invention discloses a novel free space isolator which comprises a first mounting sleeve, a second mounting sleeve and a second bolt, wherein first through grooves are formed in two sides of the interior of the first mounting sleeve, the second mounting sleeve is movably connected to one side of the first mounting sleeve, a magnetic ring is movably connected to the interior of a placing groove, an optical chip is fixedly connected to the middle position of the interior of the magnetic ring, corners are formed in two sides of the optical chip, the first bolt is movably connected to the interior of the first through groove, and an internal thread jack is formed in the middle position of one side of the interior of the first bolt. According to the invention, the first mounting sleeve and the second mounting sleeve are arranged outside the magnetic ring, the magnetic ring can be placed in the placing groove and clamped between the limiting rubber pads on two sides in the placing groove to be limited, so that a protection measure can be provided for the magnetic ring after the first mounting sleeve and the second mounting sleeve are mounted, the magnetic ring can be protected in the placing groove, and the free space isolator is prevented from being damaged in use.
Description
Technical Field
The invention relates to the technical field of isolators, in particular to a novel free space isolator.
Background
With the development of optical communication technology towards high speed and large capacity, reflection existing in an optical path becomes an important problem which must be solved, so that a nonreciprocal optical passive device-optical isolator which only allows light to transmit along a forward optical path appears, the stability of a system light source can be prevented from being influenced by reflected light, the precision and the safety of a transmission light source are ensured, and the existing free space isolator also has a plurality of problems in the using process, and the specific problems are as follows:
1. in the use process of the existing free space isolator, the optical chip is relatively displaced due to air expansion at one side of the inner seal of the existing free space isolator, and finally the free space isolator deviates from the original assembly position;
2. the existing free space isolator has no protection structure and is easy to be damaged in the using process;
3. the existing free space isolator is inconvenient to disassemble and assemble in the using process, so that the disassembling, the assembling and the using are troublesome.
Disclosure of Invention
The invention aims to provide a novel free space isolator to solve the problems that the free space isolator proposed in the background art is easy to deviate from the original assembly position, is easy to be damaged, is inconvenient to disassemble and assemble and the like.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel free space isolator, includes first installation cover, second installation cover, magnetic ring and second bolt, the inside both sides of first installation cover all are provided with first logical groove, and one side swing joint of first installation cover has the second installation cover, and the inside intermediate position of first installation cover is provided with the standing groove, and the inside equal fixedly connected with spacing cushion in both sides of standing groove, the inside swing joint of standing groove has the magnetic ring, and the inside intermediate position fixedly connected with optical chip of magnetic ring, optical chip's both sides all are provided with the corner, the inside swing joint who leads to the groove first bolt, and the intermediate position of the inside one side of first bolt is provided with the internal thread jack, the inside both sides of second installation cover all swing joint have the second bolt.
Preferably, the middle position of one side of the first mounting sleeve is fixedly connected with a connecting pipe, and a limiting ring is arranged outside the connecting pipe.
Preferably, the both sides of the inside one end of second installation cover all are provided with the second and lead to the groove, and the both sides of the inside other end of second installation cover all are provided with the intercommunication groove.
Preferably, an optical rotation sheet is arranged inside the optical chip, and two sides of the optical rotation sheet are fixedly connected with the polarizer.
Preferably, gaps are arranged on two sides of the interior of the magnetic ring, and the other two sides of the interior of the magnetic ring are fixedly connected with adhesives.
Preferably, the middle position of one side of the second bolt is fixedly connected with an external thread inserted bar, and the external thread of the external thread inserted bar is matched with the internal thread of the internal thread jack.
Compared with the prior art, the invention has the beneficial effects that:
(1) this kind of novel free space isolator, through the space that sets up in the inside of magnetic ring, because the corner on the central axis syntropy side of optical chip and magnetic ring and the inner wall fixed connection of magnetic ring, thereby form the space between the side that makes optical chip and the inner wall of magnetic ring, then the both ends of free space isolator are in the feed through state, so the in-process of seal assembly and the high temperature cure of back stage of adhesive, the expanded air passes through from the space, greatly reduced the oppression to the free space isolator, the skew former assembly position of free space isolator has been avoided, and the product quality is improved.
(2) This kind of novel free space isolator, through first installation cover and the second installation cover that sets up in the outside of magnetic ring, the magnetic ring can be placed inside the standing groove to the card is spacing between the spacing cushion of the inside both sides of standing groove, then can provide a safeguard measure for the magnetic ring after first installation cover and the installation of second installation cover, makes it can be protected inside the standing groove, then has avoided free space isolator in use to suffer the damage.
(3) This kind of novel free space isolator, through the first bolt that sets up in the inside both sides of first installation cover, first installation cover is with second installation cover concatenation back, can insert first logical inslot portion with first bolt, make the second bolt insert second logical inslot portion, first bolt can together get into the intercommunication inslot portion with the second bolt this moment, can rotate the second bolt this moment, then the second bolt can drive the inside removal of internal thread jack at the external screw thread inserted bar, make the external screw thread inserted bar can remove slowly and get into inside the internal thread jack, thereby realize the fixed mounting between first installation cover and the second installation cover, can realize its dismantlement in the same reason, then can be convenient carry out the dismouting to it, it is comparatively simple and convenient when making its dismouting use.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
FIG. 2 is a schematic view of the present invention in partial cross-section;
FIG. 3 is a side view of the first mounting sleeve of the present invention;
FIG. 4 is a schematic diagram of a side view of an optical chip according to the present invention;
fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.
In the figure: 1. a first mounting sleeve; 101. a limiting rubber cushion; 102. a placement groove; 103. a connecting pipe; 104. a limiting ring; 105. a first through groove; 2. a second mounting sleeve; 201. a second through groove; 202. a communicating groove; 3. an optical chip; 301. an optical rotation plate; 302. a polarizer; 303. turning; 4. a magnetic ring; 401. a binder; 402. a void; 5. a first bolt; 501. an internal thread jack; 6. a second bolt; 601. an external thread inserted bar.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: a novel free space isolator comprises a first mounting sleeve 1, a second mounting sleeve 2, a magnetic ring 4 and a second bolt 6, wherein first through grooves 105 are formed in two sides of the inside of the first mounting sleeve 1, a connecting pipe 103 is fixedly connected to the middle position of one side of the first mounting sleeve 1, a limiting ring 104 is arranged outside the connecting pipe 103, a placing groove 102 is formed in the middle position of the inside of the first mounting sleeve 1, limiting rubber pads 101 are fixedly connected to two sides of the inside of the placing groove 102, the magnetic ring 4 can be placed in the placing groove 102 and clamped between the limiting rubber pads 101 on two sides of the inside of the placing groove 102 to be limited;
one side of the first installation sleeve 1 is movably connected with a second installation sleeve 2, two sides of one end inside the second installation sleeve 2 are provided with second through grooves 201, two sides of the other end inside the second installation sleeve 2 are provided with communicating grooves 202, and after the first installation sleeve 1 and the second installation sleeve 2 are installed, a protection measure can be provided for the magnetic ring 4, so that the magnetic ring can be protected inside the placing groove 102, and the free space isolator is prevented from being damaged in use;
the inside of the placing groove 102 is movably connected with a magnetic ring 4, two sides inside the magnetic ring 4 are both provided with gaps 402, the other two sides inside the magnetic ring 4 are both fixedly connected with adhesives 401, the middle position inside the magnetic ring 4 is fixedly connected with an optical chip 3, two sides of the optical chip 3 are both provided with corners 303, the inside of the optical chip 3 is provided with an optical rotation sheet 301, two sides of the optical rotation sheet 301 are both fixedly connected with a polarizer sheet 302, and expanded air passes through the gaps 402, so that the compression on the free space isolator is greatly reduced, and the free space isolator is prevented from deviating from the original assembly position;
first logical groove 105's inside swing joint has first bolt 5, and the intermediate position of the inside one side of first bolt 5 is provided with internal thread jack 501, the inside all swing joint in both sides of second installation cover 2 has second bolt 6, the intermediate position fixedly connected with external screw thread inserted bar 601 of second bolt 6 one side, and the external screw thread of external screw thread inserted bar 601 and internal thread jack 501's internal thread phase-match, external screw thread inserted bar 601 can move slowly and get into inside internal thread jack 501, thereby realize the fixed mounting between first installation cover 1 and the second installation cover 2.
The working principle is as follows: when in use, the magnetic ring 4 can be placed in the placing groove 102 and clamped between the limiting rubber pads 101 at two sides in the placing groove 102 to be limited, then the first mounting sleeve 1 and the second mounting sleeve 2 can provide a protective measure for the magnetic ring 4 after being mounted, so that the magnetic ring 4 can be protected in the placing groove 102, the free space isolator is prevented from being damaged in use, after the first mounting sleeve 1 and the second mounting sleeve 2 are spliced, the first bolt 5 can be inserted into the first through groove 105, the second bolt 6 can be inserted into the second through groove 201, at the moment, the first bolt 5 and the second bolt 6 can enter the communicating groove 202 together, at the moment, the second bolt 6 can be rotated, the second bolt 6 can drive the external thread insert rod 601 to move in the internal thread insert hole 501, so that the external thread insert rod 601 can move slowly to enter the internal thread insert hole 501, thereby realizing the fixed mounting between the first mounting sleeve 1 and the second mounting sleeve 2, the disassembly can be realized in the same way, the optical chip can be conveniently disassembled and assembled, the disassembly and the assembly are simpler and more convenient when in use, because the corner 303 on the side surface of the optical chip 3 in the same direction as the central axis of the magnetic ring 4 is fixedly connected with the inner wall of the magnetic ring 4, a gap 402 is formed between the side surface of the optical chip 3 and the inner wall of the magnetic ring 4, and two ends of the free space isolator are in a communicated state, so that expanded air passes through the gap 402 in the process of later sealing assembly and high-temperature curing of the adhesive 401, the oppression on the free space isolator is greatly reduced, the free space isolator is prevented from deviating from the original assembly position, and the product quality is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Claims (6)
1. The utility model provides a novel free space isolator, includes first installation cover (1), second installation cover (2), magnetic ring (4) and second bolt (6), its characterized in that: two sides of the interior of the first mounting sleeve (1) are provided with first through grooves (105), one side of the first mounting sleeve (1) is movably connected with a second mounting sleeve (2), a placing groove (102) is arranged at the middle position in the first mounting sleeve (1), and both sides of the inner part of the placing groove (102) are fixedly connected with limiting rubber pads (101), the inner part of the placing groove (102) is movably connected with a magnetic ring (4), and the middle position inside the magnetic ring (4) is fixedly connected with an optical chip (3), corners (303) are arranged on two sides of the optical chip (3), a first bolt (5) is movably connected inside the first through groove (105), and the middle position of one side in the first bolt (5) is provided with an internal thread jack (501), and both sides in the second mounting sleeve (2) are movably connected with second bolts (6).
2. The new free space isolator of claim 1, wherein: the middle position of one side of the first mounting sleeve (1) is fixedly connected with a connecting pipe (103), and a limiting ring (104) is arranged outside the connecting pipe (103).
3. The new free space isolator of claim 1, wherein: both sides of the inside one end of second installation cover (2) all are provided with the logical groove of second (201), and the both sides of the inside other end of second installation cover (2) all are provided with intercommunication groove (202).
4. The new free space isolator of claim 1, wherein: an optical rotation sheet (301) is arranged inside the optical chip (3), and two sides of the optical rotation sheet (301) are fixedly connected with polarizer sheets (302).
5. The new free space isolator of claim 1, wherein: gaps (402) are arranged on two sides of the interior of the magnetic ring (4), and adhesives (401) are fixedly connected to the other two sides of the interior of the magnetic ring (4).
6. The new free space isolator of claim 1, wherein: the middle position of second bolt (6) one side fixedly connected with external screw thread inserted bar (601), and the external screw thread of external screw thread inserted bar (601) and the internal thread phase-match of internal thread jack (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011563772.8A CN112748496A (en) | 2020-12-25 | 2020-12-25 | Novel free space isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011563772.8A CN112748496A (en) | 2020-12-25 | 2020-12-25 | Novel free space isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112748496A true CN112748496A (en) | 2021-05-04 |
Family
ID=75646071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011563772.8A Pending CN112748496A (en) | 2020-12-25 | 2020-12-25 | Novel free space isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112748496A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205027990U (en) * | 2015-08-14 | 2016-02-10 | 无限光通讯(深圳)有限公司 | Free space isolator |
| CN208399730U (en) * | 2018-07-10 | 2019-01-18 | 安徽无限光通讯有限公司 | Monopole free space isolator shell |
| CN209132536U (en) * | 2018-09-06 | 2019-07-19 | 福建中策光电股份公司 | A kind of unrelated fibre optic isolater of novel polarization |
-
2020
- 2020-12-25 CN CN202011563772.8A patent/CN112748496A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205027990U (en) * | 2015-08-14 | 2016-02-10 | 无限光通讯(深圳)有限公司 | Free space isolator |
| CN208399730U (en) * | 2018-07-10 | 2019-01-18 | 安徽无限光通讯有限公司 | Monopole free space isolator shell |
| CN209132536U (en) * | 2018-09-06 | 2019-07-19 | 福建中策光电股份公司 | A kind of unrelated fibre optic isolater of novel polarization |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210504 |
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| RJ01 | Rejection of invention patent application after publication |