CN217954782U - Miniature optical fiber delay line device - Google Patents
Miniature optical fiber delay line device Download PDFInfo
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- CN217954782U CN217954782U CN202221968193.6U CN202221968193U CN217954782U CN 217954782 U CN217954782 U CN 217954782U CN 202221968193 U CN202221968193 U CN 202221968193U CN 217954782 U CN217954782 U CN 217954782U
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- sliding block
- shell
- screw rod
- motor
- seat
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Abstract
The utility model discloses a micro optical fiber delay line device, which comprises a shell, wherein a lead screw motor is fixedly arranged on one side of the shell through a motor base; the screw rod end of the screw rod motor penetrates through the sliding block seat and is arranged in the cavity of the shell and connected with the bearing seat in the shell; a sliding rail is arranged in the shell, a sliding block is arranged on the sliding rail in a sliding manner, and the sliding block is fixedly connected to the bottom of the sliding block seat; the sliding block seat is provided with a screw rod nut and is connected with a screw rod motor through the screw rod nut; the sliding block seat is also provided with a pyramid mirror, a collimator is coaxially arranged with the pyramid mirror, and the collimator is arranged outside the shell. The utility model discloses a high integrated mechanism adopts closed loop lead screw motor drive to subtracted place ahead shaft coupling mechanism, the pyramid mirror adopts the mode of side direction installation simultaneously, has reduced the vertical interval between lens and the slide rail, has reduced holistic shake, and it is lighter to have weight to compare prior art, and the volume is littleer, advantages such as lower shake.
Description
Technical Field
The utility model relates to an optical fiber delay line technical field specifically is a miniature optical fiber delay line device.
Background
At present, the optical fiber delay line is mainly driven by a motor to move at a certain speed, and the effect of signal delay compensation is achieved by matching with optical signal transmission and reception. The motor drive needs a series of accessories such as couplings and the like, so that the overall structure of the delay line is overstaffed, the weight cannot be reduced, and the delay line cannot be well applied to the fields of aerospace and the like with strict requirements on weight and volume.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniature optic fibre delay line device adopts the integrative drive of closed loop lead screw motor, has subtracted the place ahead shaft coupling mechanism, and the lens adopts the mode of side direction installation simultaneously, has reduced the vertical interval between lens and the slide rail, has reduced holistic shake, and it is lighter to have weight to contrast prior art, and the volume is littleer, advantage such as lower shake to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a micro optical fiber delay line device comprises a shell, wherein a screw motor is fixedly installed on one side of the shell through a motor base; the screw rod end of the screw rod motor penetrates through the sliding block seat and is arranged in the cavity of the shell and connected with the bearing seat in the shell; a sliding rail is arranged in the shell, a sliding block is arranged on the sliding rail in a sliding manner, and the sliding block is fixedly connected to the bottom of the sliding block seat; the sliding block seat is provided with a screw rod nut and is connected with a screw rod motor through the screw rod nut; the sliding block seat is also provided with a pyramid mirror, a collimator is coaxially arranged with the pyramid mirror, and the collimator is arranged outside the shell.
Preferably, the slider seat is an L-shaped member.
Preferably, the slider seat, the bearing seat and the slide rail are all arranged in a cavity of the shell, and an end cover is arranged at the top of the shell.
Preferably, a bearing is arranged in the bearing seat in a matched manner and is connected with a screw rod end of the screw rod motor.
Preferably, the screw rod motor is a closed-loop private clothes control mechanism with the screw rod and the motor integrated.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this miniature optic fibre delay line device drives the screw-nut translation through lead screw motor to promote the take-up housing and advance or retreat through the slider, wherein the angle cone mirror receives the laser that comes from the collimator transmission, and effective reflection carries out, and the distance between angle cone mirror and the collimator is adjusted through lead screw motor can realize delaying the receipt to light signal, the utility model discloses a high integrated mechanism adopts closed loop lead screw motor drive, thereby has subtracted the place ahead shaft coupling mechanism, and the angle cone mirror adopts the mode of side direction installation simultaneously, has reduced the vertical interval between lens and the slide rail, has reduced holistic shake, and it is lighter to have weight to compare prior art, and the volume is littleer, advantages such as lower shake.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of the present invention;
fig. 4 is an exploded view of the overall structure of the present invention.
In the figure: 1. a housing; 2. a motor base; 3. a screw motor; 4. a slider seat; 5. a bearing seat; 6. a slide rail; 7. a slider; 8. a feed screw nut; 9. a pyramid mirror; 10. a collimator; 11. an end cap; 12. and (5) a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the micro optical fiber delay line device provided in the present embodiment includes a housing 1, wherein a lead screw motor 3 is fixedly mounted on one side of the housing 1 through a motor base 2; the screw rod end of the screw rod motor 3 penetrates through the sliding block seat 4 and is arranged in the cavity of the shell 1 and is connected with the bearing seat 5 inside the shell 1, and a bearing 12 is arranged in the bearing seat 5 in a matched manner and is connected with the screw rod end of the screw rod motor 3; a sliding rail 6 is arranged inside the shell 1, a sliding block 7 is installed on the sliding rail 6 in a sliding mode, and the sliding block 7 is fixedly connected to the bottom of the sliding block seat 4; the slider seat 4 is provided with a lead screw nut 8, and the slider seat 4 is connected with the lead screw motor 3 through the lead screw nut 8; the sliding block seat 4 is also provided with a pyramid mirror 9, a collimator 10 is coaxially arranged with the pyramid mirror 9, and the collimator 10 is arranged outside the shell 1; the sliding block seat 4 is an L-shaped component, one side of a wide plate of the sliding block seat is used for being connected with the screw rod motor 3, and the other side of the wide plate is used for being connected with the sliding rail 6; the slider seat 4, the bearing seat 5 and the slide rail 6 are all arranged in a cavity of the shell 1, and an end cover 11 is arranged at the top of the shell 1.
The lead screw motor 3 in the embodiment is a closed-loop personal clothing control mechanism with a lead screw and a motor integrated, the ultra-high resolution ratio of 1/8000 can be achieved, accurate control over an optical signal delay line is achieved, meanwhile, the volume and the weight of a front-end bearing seat 5 are reduced through the integrated design of the electric lead screw motor 3, and compared with other optical delay mechanisms, the device is compact in size and accurate in control accuracy.
The working principle is as follows: this miniature optic fibre delay line device drives the translation of screw-nut 8 through lead screw motor 3 to promote slider seat 4 to advance or retreat through slider 7, wherein the laser that comes from collimator 10 transmission is received to angle cone mirror 9, and effective reflection carries out, adjusts the distance between angle cone mirror 9 and the collimator 10 through lead screw motor 3 and can realize a delay receipt to optical signal. The utility model discloses a high integrated mechanism adopts closed loop lead screw motor 3 drives to having subtracted place ahead shaft coupling mechanism, pyramid mirror 9 adopts the mode of side direction installation simultaneously, has reduced the vertical interval between lens and the slide rail, has reduced holistic shake, and it is lighter to have weight to compare prior art, and the volume is littleer, advantages such as lower shake.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A miniature optical fiber delay line device, including casing (1), its characterized in that: a screw motor (3) is fixedly arranged on one side of the shell (1) through a motor base (2); the screw rod end of the screw rod motor (3) penetrates through the sliding block seat (4) and is arranged in the cavity of the shell (1) and is connected with a bearing seat (5) in the shell (1); a sliding rail (6) is arranged in the shell (1), a sliding block (7) is installed on the sliding rail (6) in a sliding mode, and the sliding block (7) is fixedly connected to the bottom of the sliding block seat (4); the sliding block seat (4) is provided with a screw rod nut (8), and the sliding block seat (4) is connected with a screw rod motor (3) through the screw rod nut (8); the sliding block seat (4) is further provided with a pyramid mirror (9), a collimator (10) is coaxially arranged with the pyramid mirror (9), and the collimator (10) is arranged outside the shell (1).
2. A miniature fiber optic delay line device as claimed in claim 1, wherein: the sliding block seat (4) is an L-shaped component.
3. A miniature optical fiber delay line assembly as set forth in claim 1, wherein: the sliding block seat (4), the bearing seat (5) and the sliding rail (6) are all arranged in a cavity of the shell (1), and an end cover (11) is arranged at the top of the shell (1).
4. A miniature fiber optic delay line device as claimed in claim 1, wherein: and a bearing (12) is arranged in the bearing seat (5) in a matching manner and is connected with the screw rod end of the screw rod motor (3).
5. A miniature optical fiber delay line assembly as set forth in claim 1, wherein: the screw rod motor (3) is a closed-loop private clothes control mechanism with a screw rod and a motor integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968193.6U CN217954782U (en) | 2022-07-28 | 2022-07-28 | Miniature optical fiber delay line device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221968193.6U CN217954782U (en) | 2022-07-28 | 2022-07-28 | Miniature optical fiber delay line device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217954782U true CN217954782U (en) | 2022-12-02 |
Family
ID=84224585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221968193.6U Active CN217954782U (en) | 2022-07-28 | 2022-07-28 | Miniature optical fiber delay line device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217954782U (en) |
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2022
- 2022-07-28 CN CN202221968193.6U patent/CN217954782U/en active Active
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