CN210119609U - Single-fiber bidirectional photoelectric conversion device and base thereof - Google Patents
Single-fiber bidirectional photoelectric conversion device and base thereof Download PDFInfo
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- CN210119609U CN210119609U CN201921179531.6U CN201921179531U CN210119609U CN 210119609 U CN210119609 U CN 210119609U CN 201921179531 U CN201921179531 U CN 201921179531U CN 210119609 U CN210119609 U CN 210119609U
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Abstract
The utility model discloses a single-fiber bidirectional photoelectric converter and a base thereof, which comprises a base body, wherein the inside of the base body is a cavity; the base body comprises a first end face for mounting the laser component, and the first end face is an inclined face with a certain inclination angle; the first end face is provided with a laser assembly interface which is communicated with the cavity of the base body. The utility model provides an among the prior art because the comparatively complicated problem of base processing that sets up of slope boss and lead to.
Description
Technical Field
The utility model relates to an optical fiber transmission technical field especially relates to a two-way photoelectric conversion device of single fiber and base thereof.
Background
The existing single-fiber bidirectional photoelectric conversion device comprises a base, wherein an optical fiber adapter component, a laser component and a light receiving component are compatible on the base, the laser component is used for transmitting light signals to the optical fiber adapter component, the optical fiber adapter component further transmits the light signals through optical fibers, and the light receiving component is used for receiving the light signals transmitted back by the optical fiber adapter. However, in the existing single-fiber bidirectional photoelectric conversion device, the laser component and the optical fiber adapter component are installed coaxially, and the light receiving component and the optical fiber adapter component are installed vertically, so that the laser emitted by the laser component is reflected back by the installation mode, and the performance of the laser component is deteriorated. Therefore, some manufacturers have reduced laser interference by forming a certain tilt angle between the laser assembly and the base, even if the laser assembly is not coaxial with the fiber optic adapter assembly.
Although the laser emitted by the laser component can be prevented from being reflected back by adopting the mode, the following problems exist:
in the prior art, an inclined boss is usually arranged on an end face of a base connected with a laser component, and the laser component is fixed on the inclined boss, so that a certain inclination angle is formed between the laser component and the base, and the base is more complicated to process due to the arrangement of the inclined boss.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two-way photoelectric conversion device of single fiber and base thereof aims at solving among the prior art because the comparatively complicated problem of base processing that sets up of slope boss and leads to.
In order to achieve the above object, the present invention provides a base for a single-fiber bidirectional photoelectric converter, which comprises a base body, wherein the base body has a cavity inside;
the base body comprises a first end face for mounting the laser component, and the first end face is an inclined face with a certain inclination angle;
the first end face is provided with a laser assembly interface, and the laser assembly interface is communicated with the cavity of the base body.
Optionally, the base body further includes a second end surface opposite to the first end surface, and a value range of an included angle between the first end surface and the second end surface is 3.2 ° to 4.2 °.
Optionally, an optical filter is arranged in the cavity of the base body;
the base body further comprises a third end surface perpendicular to the second end surface;
the second end face is provided with an optical fiber adapter assembly interface;
and a light receiving component interface is arranged on the third end surface.
The utility model also provides a single-fiber bidirectional photoelectric converter, which comprises a base;
the first end face and the laser assembly are welded and fixed through an adjusting ring;
the adjusting ring comprises a first hollow cylinder and a second hollow cylinder, and the second hollow cylinder is sleeved and fixed at one end of the first hollow cylinder;
the second hollow cylinder is fixedly welded with the first end face;
the laser assembly interface is communicated with the cavity of the first hollow cylinder.
Optionally, the adjusting ring and the laser assembly are welded and fixed through a seal welding pipe body.
Optionally, the laser assembly includes a laser base, one end of the laser base is provided with a die holder, and the other end of the laser base opposite to the die holder is provided with a pin.
Optionally, the seal welding pipe body includes the body, the one end of body is the seal welding end of being connected with the laser subassembly, the relative other end of body be with the join in marriage the welding end that the adjustable ring is connected.
Optionally, the seal welding pipe body comprises a third hollow cylinder and a fourth hollow cylinder, the fourth hollow cylinder is sleeved and fixed at one end of the third hollow cylinder, and the axes of the third hollow cylinder and the fourth hollow cylinder are on the same straight line;
the tube core base is inserted into the cavity of the third hollow cylinder, and one end of the fourth hollow cylinder is welded and fixed with the laser base;
the third hollow cylinder is inserted into the cavity of the first hollow cylinder, and the other end, opposite to the fourth hollow cylinder, of the fourth hollow cylinder is welded and fixed with the adjusting ring.
Optionally, the single-fiber bidirectional photoelectric conversion device further includes an optical fiber adapter component and a light receiving component, the optical fiber adapter component is fixed to the optical fiber adapter component interface, and the light receiving component is fixed to the light receiving component interface.
The utility model discloses a set up first terminal surface slope to set up laser instrument subassembly interface on first terminal surface, need not to set up the slope boss, thereby make the processing of base become simple relatively.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the single-fiber bidirectional photoelectric conversion device of the present invention;
fig. 2 is an exploded schematic view of the single-fiber bidirectional photoelectric conversion device of the present invention;
fig. 3 is a cross-sectional view of the single-fiber bidirectional photoelectric conversion device of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Base body | 32 | Fourth hollow cylinder |
| 11 | First end face | 4 | Laser assembly |
| 12 | Third end face | 41 | Tube core seat |
| 13 | Laser component interface | 42 | Laser base |
| 2 | Adjusting ring | 43 | Pin |
| 21 | Second hollow cylinder | 5 | Fiber optic adapter assembly |
| 22 | A first hollow cylinder | 6 | Light receiving module |
| 3 | Seal welding pipe body | 7 | Optical filter |
| 31 | Third hollow cylinder |
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, technical solutions between the various embodiments of the present application may be combined with each other, but it must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should be considered to be absent and not within the protection scope of the present application.
The utility model provides a base of two-way photoelectric conversion device of single fiber.
Referring to fig. 2, a base of a single-fiber bidirectional photoelectric conversion device includes a base body 1, and a cavity is formed inside the base body 1; the base body 1 comprises a first end face 11 for mounting the laser component, and the first end face 11 is an inclined plane with a certain inclination angle; the first end surface 11 is provided with a laser assembly interface 13, and the laser assembly interface 13 is communicated with the cavity of the base body 1.
In the technical scheme that this application provided, through with first terminal surface 11 slope setting to set up laser instrument subassembly interface 13 on first terminal surface 11, need not to set up the slope boss, thereby make the processing of base become simple relatively.
Further, referring to fig. 2, the base body further includes a second end surface (not shown) opposite to the first end surface 11, and an included angle between the first end surface 11 and the second end surface ranges from 3.2 ° to 4.2 °. When the included angle ranges from 3.2 degrees to 4.2 degrees, the laser emitted by the laser component 4 can be coupled into the fiber core end face (not marked) of the optical fiber adapter component 5, and the laser emitted by the laser component 4 cannot be reflected back.
Further, referring to fig. 2 and 3, an optical filter 7 is disposed in the cavity of the base body 1; the base body 1 further comprises a third end face 12 perpendicular to the second end face; an optical fiber adapter assembly interface (not marked) is arranged on the second end face; the third end surface 12 is provided with a light receiving module interface (not shown).
The utility model discloses still provide a two-way photoelectric conversion device of single fiber.
Referring to fig. 1 to 3, a single-fiber bidirectional photoelectric conversion device includes a base; the first end face 11 and the laser assembly 4 are welded and fixed through an adjusting ring 2; the adjusting ring 2 comprises a first hollow cylinder 22 and a second hollow cylinder 21, and the second hollow cylinder 21 is sleeved and fixed at one end of the first hollow cylinder 22; the second hollow cylinder 21 is welded and fixed with the first end face 11; the laser assembly interface 13 communicates with the cavity of the first hollow cylinder 22. The provision of the second hollow cylinder 21 enables a sufficient welding position of the adjusting ring 2 and the first end face 11 at the time of welding, even if a relatively large offset of the laser assembly 4 occurs on the first end face 11 when the laser assembly 4 is coupled with the fiber optic adapter assembly 5.
Further, referring to fig. 1-3, the adjusting ring 2 and the laser assembly 4 are welded and fixed by a sealing tube 3.
Further, referring to fig. 2 and 3, the laser assembly 4 includes a laser base 42, a die pad 41 is disposed at one end of the laser base 42, and a pin 43 is disposed at the opposite end of the laser base 42.
Further, referring to fig. 2 and 3, the sealing welding pipe 3 includes a body (not labeled), one end of the body is a sealing welding end connected to the laser assembly 4, and the other end of the body is a welding end connected to the adjusting ring 2.
Further, referring to fig. 2 and 3, the seal welding pipe 3 includes a third hollow cylinder 31 and a fourth hollow cylinder 32, the fourth hollow cylinder 32 is sleeved and fixed at one end of the third hollow cylinder 31, and the axes of the third hollow cylinder 31 and the fourth hollow cylinder 32 are on the same straight line; the die holder 41 is inserted into the cavity of the third hollow cylinder 31, and one end of the fourth hollow cylinder 32 is welded and fixed with the laser base 42; the third hollow cylinder 31 is inserted into the cavity of the first hollow cylinder 22, and the opposite end of the fourth hollow cylinder 32 is welded and fixed to the adjusting ring 2.
Further, referring to fig. 1 to 3, the single-fiber bidirectional photoelectric conversion device further includes an optical fiber adapter assembly 5 and a light receiving assembly 6, the optical fiber adapter assembly 5 is fixed on the optical fiber adapter assembly interface, and the light receiving assembly 6 is fixed on the light receiving assembly interface.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the technical solutions that can be directly or indirectly applied to other related fields without departing from the spirit of the present application are intended to be included in the scope of the present application.
Claims (9)
1. A base of a single-fiber bidirectional photoelectric conversion device is characterized in that:
the base comprises a base body, wherein a cavity is formed in the base body;
the base body comprises a first end face for mounting the laser component, and the first end face is an inclined face with a certain inclination angle;
the first end face is provided with a laser assembly interface, and the laser assembly interface is communicated with the cavity of the base body.
2. The base of the single-fiber bidirectional photoelectric conversion device according to claim 1, wherein:
the base body further comprises a second end face opposite to the first end face, and the value range of an included angle between the first end face and the second end face is 3.2-4.2 degrees.
3. The base of the single-fiber bidirectional photoelectric conversion device according to claim 2, wherein:
an optical filter is arranged in the cavity of the base body;
the base body further comprises a third end surface perpendicular to the second end surface;
the second end face is provided with an optical fiber adapter assembly interface;
and a light receiving component interface is arranged on the third end surface.
4. A single-fiber bidirectional photoelectric conversion device is characterized in that:
comprising the susceptor of claim 3;
the first end face and the laser assembly are welded and fixed through an adjusting ring;
the adjusting ring comprises a first hollow cylinder and a second hollow cylinder, and the second hollow cylinder is sleeved and fixed at one end of the first hollow cylinder;
the second hollow cylinder is fixedly welded with the first end face;
the laser assembly interface is communicated with the cavity of the first hollow cylinder.
5. The single-fiber bidirectional photoelectric conversion device according to claim 4, wherein:
the adjusting ring and the laser component are welded and fixed through a seal welding pipe body.
6. The single-fiber bidirectional photoelectric conversion device according to claim 5, wherein:
the laser assembly comprises a laser base, a die base is arranged at one end of the laser base, and a pin is arranged at the other end, opposite to the laser base, of the laser base.
7. The single-fiber bidirectional photoelectric conversion device according to claim 6, wherein:
the seal welding pipe body comprises a body, one end of the body is a seal welding end connected with the laser assembly, and the other opposite end of the body is a welding end connected with the adjusting ring.
8. The single-fiber bidirectional photoelectric conversion device according to claim 7, wherein:
the seal welding pipe body comprises a third hollow cylinder and a fourth hollow cylinder, the fourth hollow cylinder is sleeved and fixed at one end of the third hollow cylinder, and the axle centers of the third hollow cylinder and the fourth hollow cylinder are on the same straight line;
the tube core base is inserted into the cavity of the third hollow cylinder, and one end of the fourth hollow cylinder is welded and fixed with the laser base;
the third hollow cylinder is inserted into the cavity of the first hollow cylinder, and the other end, opposite to the fourth hollow cylinder, of the fourth hollow cylinder is welded and fixed with the adjusting ring.
9. The single-fiber bidirectional photoelectric conversion device according to any one of claims 4 to 8, wherein:
the single-fiber bidirectional photoelectric conversion device further comprises an optical fiber adapter component and a light receiving component, wherein the optical fiber adapter component is fixed on the optical fiber adapter component interface, and the light receiving component is fixed on the light receiving component interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921179531.6U CN210119609U (en) | 2019-07-24 | 2019-07-24 | Single-fiber bidirectional photoelectric conversion device and base thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921179531.6U CN210119609U (en) | 2019-07-24 | 2019-07-24 | Single-fiber bidirectional photoelectric conversion device and base thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210119609U true CN210119609U (en) | 2020-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921179531.6U Active CN210119609U (en) | 2019-07-24 | 2019-07-24 | Single-fiber bidirectional photoelectric conversion device and base thereof |
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| CN (1) | CN210119609U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433628A (en) * | 2021-06-23 | 2021-09-24 | 河南鑫宇光科技股份有限公司 | Low-crosstalk single-wavelength optical device |
-
2019
- 2019-07-24 CN CN201921179531.6U patent/CN210119609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113433628A (en) * | 2021-06-23 | 2021-09-24 | 河南鑫宇光科技股份有限公司 | Low-crosstalk single-wavelength optical device |
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