CN201097027Y - An optical separator - Google Patents
An optical separator Download PDFInfo
- Publication number
- CN201097027Y CN201097027Y CNU2007201217800U2007201217800U CN200720121780U CN201097027Y CN 201097027 Y CN201097027 Y CN 201097027Y CN U2007201217800U2007201217800 U CNU2007201217800U2007201217800 U CN U2007201217800U2007201217800U CN 200720121780 U CN200720121780 U CN 200720121780U CN 201097027 Y CN201097027 Y CN 201097027Y
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- CN
- China
- Prior art keywords
- optoisolator
- isolating device
- supporting spring
- fixed
- magnetic tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a light isolating device, which comprises at least a supporting sheet, a light isolating device element composed of a polarizing sheet and a faraday rotor, and a magnetic pipe. The light isolating device is characterized in that the light isolating device element is fixed inside through the supporting sheet, the supporting sheet comprises a platform for adhering the light isolating device element, an arc surface which is substantially and mutually fitted with the inner wall of the magnetic pipe, the supporting sheet fixed with the light isolating device element is fixed in the magnetism pipe through the arc surface, and the light isolating device can be applied in the optical socket of a tail fiber type light isolating device and. The light isolating device has the advantages that because the because the light isolating device element is fixed at the center of the magnetic pipe through utilizing the supporting sheet structure, the reliability is high, the uniformity is good, the cost is low, and the isolating device can be accurately positioned at the center of a transmission light path, the positioning angle of the isolating device can be accurately adjusted, and the light isolating device is suitable for being massively produced.
Description
Technical field
The utility model relates to a kind of optoisolator, and particularly a kind of isolation elements utilizes supporting spring to be fixed in optoisolator in the magnetic tube.
Background technology
In optical communication field, in order to prevent that light from reflecting, usually the optical elements such as optoisolator of packing into, the assembly structure of the isolation elements of optical-fiber type isolator in the past is general to be adopted as shown in Figure 1: isolation elements 11 sticks in the magnetic tube 12 by bonding method, four angles of its general employing isolated core 11 contact the back and adopt 353 glue to be fixed in the magnetic tube 12 with magnetic tube 12, because above-mentioned bonding way connects by the some contact, the reliability of connected mode can not get ensureing like this, and inconvenient operation is brought certain degree of difficulty to production technology like this.
In addition, prior art more all is the end that directly is pasted on fibre-optical splice by isolated core, as JP2004-021950 disclose similar structures, as shown in Figure 2: the end face of fibre-optical splice 14 bonding the optoisolator element 11 that constitutes by polaroid and Faraday rotor, this structure is when assembling, the fibre-optical splice 14 that is bonded with optoisolator element 11 inserts in the optical plug 10, the back hangs magnetic tube 12 in the top of optical plug 10, like this owing to before assembling, optoisolator element 11 is fixed in the end of fibre-optical splice 14, be connected with the light path of optical fiber, thereby can not regulate the light path between its optoisolator element 11 and other components and parts, moreover optoisolator element 11 is bonded in the end of fibre-optical splice 14, may bring light path that glue is arranged, thereby influence its light path performance and its inconvenience of doing over again, thereby be not suitable for producing in enormous quantities.
Summary of the invention
In order to address the above problem, the utility model provides a kind of assembly technology simple, connects more reliable optoisolator.
To achieve these goals, a kind of optoisolator of the utility model comprises at least one supporting spring, the one optoisolator element that constitutes by polaroid and Faraday rotor, an and magnetic tube, it is characterized in that: the optoisolator element is fixed in wherein by above-mentioned supporting spring, and described supporting spring comprises a platform, in order to bonding described optoisolator element, and the inwall of a cambered surface fundamental sum magnetic tube is identical, and the described supporting spring that is fixed with the optoisolator element is fixed in the described magnetic tube by this cambered surface.
Described supporting spring can be half round post.
Described supporting spring can be ceramic material or glass material or metal material.
Described platform has a groove, ccontaining bonding described optoisolator element.
The optical axis of described each groove and optoisolator element has an angle.Described angle can be between the 0-10 degree.
The utility model can be applicable to the tail fiber type optoisolator; Can be connected with optical receptacle.
The utility model has the advantages that: because the optoisolator element utilizes the supporting spring structure to be fixed in magnetic tube central authorities, its reliability height, high conformity, cost are low, can accurately locate isolator in transmission light path central authorities, and the arrangement angle of isolator is accurately adjustable, is suitable for producing in enormous quantities.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the section of structure of prior art optoisolator;
Fig. 2 is the sectional view of prior art tail fiber type optoisolator;
Fig. 3 is the structural representation of first embodiment of the utility model optoisolator;
Fig. 4 is the assembling process synoptic diagram of first embodiment of the utility model optoisolator;
Fig. 5 is the structural representation of second embodiment of the utility model optoisolator;
Fig. 6 is the assembling process synoptic diagram of second embodiment of the utility model optoisolator;
Fig. 7 is the structural representation of the 3rd embodiment of the utility model optoisolator.
Fig. 8 is the another kind inclination mode of the groove of the utility model optoisolator.
Fig. 9 is the structural representation of the 4th embodiment of the utility model optoisolator.
Figure 10 is applied to the structural representation of tail fiber type optoisolator for the utility model optoisolator;
Figure 11 is the structural representation that the utility model optoisolator and optical receptacle are bonded with each other.
Embodiment
Be described further below in conjunction with the assembly structure of accompanying drawing the utility model optoisolator spare.
Fig. 3 is the structural representation of first embodiment of the utility model optoisolator spare, as shown in Figure 3: the utility model isolator 20 comprises a pair of supporting spring 21,22, the one optoisolator element 23 that constitutes by polaroid and Faraday rotor, an and circular magnetic tube 24, wherein, optoisolator element 22 is by above-mentioned supporting spring 21,22 are fixed in wherein, described supporting spring 21,22 comprise a platform 211,221, in order to bonding described optoisolator element 23, an and arc surface 212, the inwall of the circular magnetic tube 24 of 222 fundamental sums coincide the described supporting spring 21 that is fixed with optoisolator element 23,22 by arc surface 212,222 are fixed in the described circular magnetic tube 24.
Described supporting spring 21,22 can be half round post substantially, and can be ceramic material or glass material.
As shown in Figure 4: its assembly technology can be: the existing first bonding end face 231 with isolation elements 23 is fixed on the platform 211 of first supporting spring 21 by solidifying glue, cover second supporting spring 22 and 21 alignment of above-mentioned first supporting spring, solidify the second bonding end face (not shown) of glue fixed insulator element 23, after have the supporting spring 21,22 of isolation elements 23 to advance in the circular magnetic tube 24 said fixing, fixing getting final product.
Fig. 5 is the structural representation of second embodiment of the utility model optoisolator 30, it comprises a pair of supporting spring 31,32, the one optoisolator element 33 that constitutes by polaroid and Faraday rotor, an and circular magnetic tube 34, wherein, optoisolator element 33 is by above-mentioned a pair of supporting spring 31,32 are fixed in wherein, described first supporting spring 31 comprises one first platform 311, has one first groove 3111 in order to bonding described optoisolator element 33, and the inwall of the circular magnetic tube 34 of one first arc surface, 312 fundamental sums coincide, second supporting spring 32 comprises one second platform 321, has one second groove 3211 in order to bonding described optoisolator element 33, and the inwall of the circular magnetic tube 34 of one second arc surface, 322 fundamental sums coincide described first of the optoisolator element 33 that is fixed with, two supporting springs 31,32 are fixed in the described circular magnetic tube 34 by arc surface 312.
Described first and second supporting spring 31,32 can be half round post substantially, and is described and can be ceramic material or glass material.
The optical axis of described each groove and optoisolator element has an angle theta, and described angle theta can be between the 0-10 degree.Thereby according to making it be placed in wherein 33 one-tenth heeling conditions of isolation elements.
As shown in Figure 6: its assembly technology can be: the existing first bonding end face 331 with isolation elements 33 is fixed in first groove 3111 of first supporting spring 31 by solidifying glue, cover second supporting spring 32, the second bonding end face (not shown) of isolation elements 33 is placed in second groove 3211 of second supporting spring 32, after have the supporting spring 31,32 of isolation elements 33 to advance in the circular magnetic tube 34 said fixing, fixing getting final product.
Fig. 7 is the structural representation of the 3rd embodiment of the utility model optoisolator, as shown in Figure 7: the angle between the optical axis O-O of isolation elements 33 and first groove 41 is the θ angle, described θ angle can be 0 and spends between 10 degree, for last low groove coupling, angle between the optical axis O-O of the second groove (not shown) and isolation elements 33 is the θ angle, described θ angle can be 0 and spends between 10 degree, thereby realizes the effect of light beam oblique incidence isolation elements 33.
Fig. 8 is the another kind inclination mode of the utility model groove, as shown in Figure 8: the angle between the optical axis O-O of isolation elements and first groove 51 is the θ angle, described θ angle can be 0 and spends between 10 degree, for last low groove coupling, angle between the optical axis O-O of the second groove (not shown) and isolation elements 33 is the θ angle, described θ angle can be 0 and spends between 10 degree, thereby realizes the effect of light beam oblique incidence isolation elements 33.
Fig. 9 is the structural representation of the 4th embodiment of the utility model optoisolator, as shown in Figure 9: the utility model optoisolator comprises a supporting spring 61, isolation elements 63 and magnetic tube 64, wherein, described supporting spring 61 comprises a groove 611, in order to ccontaining bonding isolation elements 63, the inwall coupling of the outer wall cambered surface fundamental sum magnetic tube 64 of supporting spring 61 like this, will be bonded with isolation elements 63 and push in the magnetic tube 64.
Figure 10 utility model optoisolator spare is applied to the structural representation of tail fiber type optoisolator.As Figure 10: comprise that an optical fiber kapillary 41 comprises that a through hole 411 is in order to run through optical fiber 42, the optical fiber kapillary 41 outer metal sleeves 43 that comprise, described metal sleeve 43 comprises a ladder processing portion 431, the ceramic pipe 34 of above-mentioned optoisolator 30 is hung on above-mentioned ladder and adds in the Ministry of worker 431, described ladder adds diameter that the Ministry of worker 431 the is preferably concentric pipe less than metal sleeve 43, thereby the light beam by isolator 30 centers is accurately entered in the optical fiber 42.
Figure 11 utility model is applied to the structural representation of optical receptacle, as Figure 11: as described in isolator 30 be placed in the housing 51 of optical receptacle 50, the center of the isolation elements 53 of described isolator 30 and the center of lock pin 52 overlap substantially, thereby realize that light path connects.
Because the optoisolator element is fixed in magnetic tube central authorities with the supporting spring structure, and optoisolator and optical receptacle are connected and fixed, and its reliability height, high conformity, cost are low, can accurately locate isolator in transmission light path central authorities, and the arrangement angle of isolator is accurately adjustable, is suitable for producing in enormous quantities.
The above person is a most preferred embodiment of the present utility model only, is not to be used to limit scope of the present utility model, and all equivalences of being done according to the utility model claim change or modify, and are all the utility model and contain.
Claims (8)
1. an optoisolator comprises at least one supporting spring, the one optoisolator element that constitutes by polaroid and Faraday rotor, an and magnetic tube, it is characterized in that: the optoisolator element is fixed in wherein by above-mentioned supporting spring, described supporting spring comprises a platform, in order to bonding described optoisolator element, and the inwall of a cambered surface fundamental sum magnetic tube is identical, and the described supporting spring that is fixed with the optoisolator element is fixed in the described magnetic tube by this cambered surface.
2. optoisolator as claimed in claim 1 is characterized in that: described supporting spring can be half round post.
3. optoisolator as claimed in claim 1 is characterized in that: described supporting spring can be ceramic material or glass material or metal material.
4. optoisolator as claimed in claim 1 is characterized in that: described platform has a groove, ccontaining bonding described optoisolator element.
5. optoisolator as claimed in claim 4 is characterized in that: the optical axis of described each groove and optoisolator element has an angle.
6. optoisolator as claimed in claim 4 is characterized in that: described angle can be between the 0-10 degree.
7. optoisolator as claimed in claim 1, it is characterized in that: can be applicable to the tail fiber type optoisolator: on the metal sleeve of optical fiber kapillary outside, offer an end difference, described optoisolator is hung on this end difference by its magnetic tube, and the light beam by this optoisolator center can be entered in the optical fiber.
8. optoisolator as claimed in claim 1 is characterized in that: can be connected with optical receptacle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201217800U2007201217800U CN201097027Y (en) | 2007-07-27 | 2007-07-27 | An optical separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201217800U2007201217800U CN201097027Y (en) | 2007-07-27 | 2007-07-27 | An optical separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201097027Y true CN201097027Y (en) | 2008-08-06 |
Family
ID=39924080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201217800U2007201217800U Expired - Fee Related CN201097027Y (en) | 2007-07-27 | 2007-07-27 | An optical separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201097027Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053307A (en) * | 2010-11-25 | 2011-05-11 | 苏州天孚精密陶瓷有限公司 | Optoisolator |
| CN102393575A (en) * | 2011-12-14 | 2012-03-28 | 索尔思光电（成都）有限公司 | Optical fiber free-space isolator and assembling method thereof |
-
2007
- 2007-07-27 CN CNU2007201217800U2007201217800U patent/CN201097027Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102053307A (en) * | 2010-11-25 | 2011-05-11 | 苏州天孚精密陶瓷有限公司 | Optoisolator |
| CN102393575A (en) * | 2011-12-14 | 2012-03-28 | 索尔思光电（成都）有限公司 | Optical fiber free-space isolator and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Wu Junying Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: O-Net Information Technology (Shenzhen) Co.,Ltd. Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: O-Net Information Technology (Shenzhen) Co.,Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20140727 |
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| EXPY | Termination of patent right or utility model |