CN204116779U - Two switching device of optical fiber - Google Patents
Two switching device of optical fiber Download PDFInfo
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- CN204116779U CN204116779U CN201420428621.5U CN201420428621U CN204116779U CN 204116779 U CN204116779 U CN 204116779U CN 201420428621 U CN201420428621 U CN 201420428621U CN 204116779 U CN204116779 U CN 204116779U
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- shell fragment
- guide pole
- switching device
- pedestal
- optical fiber
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Abstract
The utility model discloses a kind of two switching device of optical fiber, comprising: pedestal; Optical filter fixed mount, it comprises the fixed frame being arranged side by side two optical filters and the first shell fragment be attached thereto, the second shell fragment and the 3rd shell fragment; Be fixed on described pedestal the same side and the first guide pole be arranged in order, the second guide pole and the 3rd guide pole, the length direction of three is consistent with the orientation of two optical filters; Described first shell fragment is towards basement tilt and be pressed on the first guide pole, described second shell fragment has opening and deviates from the bending of pedestal and described second guide pole is pressed in the bending of the second shell fragment, the side away from pedestal that described 3rd shell fragment is pressed in the 3rd guide pole makes described optical filter fixed mount can along described first guide pole, and the second guide pole and the 3rd guide pole slide.Of the present utility model pair of switching device of optical fiber improves the stability of two switching device of optical fiber, reduces failure rate.
Description
Technical field
The utility model relates to field of cameras, particularly a kind of two switching device of optical fiber.
Background technology
The increasing extent that CCD (Charge-coupled Device charge coupled cell is called for short CCD) video camera uses is wide.Two switching device of optical fiber in ccd video camera, environmentally illumination selects optical filter automatically, select the optical filter with infrared function night, select the optical filter without infrared function daytime, make ccd video camera all can obtain high-quality image with night in environment by day.Two switching device of optical fiber in existing ccd video camera comprise pedestal, optical filter fixed mount and driven unit; Optical filter fixed mount is connected with pedestal, wherein, pedestal has the window passed through for light, optical filter fixed mount is arranged two optical filters.Under the drive of driven unit, optical filter fixed support slides relative to pedestal, and two optical filters can be distinguished just to the window on pedestal.Due to optical filter fixed support directly with base into contact and contact area is comparatively large, friction force is very large, thus causes the stability of pair switching device of optical fiber lower, and failure rate is higher.
Utility model content
The utility model provides a kind of two switching device of optical fiber, improves the stability of two switching device of optical fiber, reduces failure rate.
For achieving the above object, the utility model provides following technical scheme:
A kind of two switching device of optical fiber, comprising:
Pedestal;
Optical filter fixed mount, it comprises the fixed frame being arranged side by side two optical filters and the first shell fragment be attached thereto, the second shell fragment and the 3rd shell fragment;
Be fixed on described pedestal the same side and the first guide pole be arranged in order, the second guide pole and the 3rd guide pole, the length direction of three is consistent with the orientation of two optical filters;
Described first shell fragment is towards basement tilt and be pressed on the first guide pole, described second shell fragment has opening and deviates from the bending of pedestal and described second guide pole is pressed in the bending of the second shell fragment, the side away from pedestal that described 3rd shell fragment is pressed in the 3rd guide pole makes described optical filter fixed mount can along described first guide pole, and the second guide pole and the 3rd guide pole slide.
Preferably, described first shell fragment, the second shell fragment and the 3rd shell fragment are the first shell fragments that resilient material is made, the second shell fragment and the 3rd shell fragment.
Preferably, described second guide pole and the 3rd guide pole are the second guide pole of making of resilient material and the 3rd guide pole.
Preferably, described first shell fragment is arranged on the middle part of described fixed frame first end face and extends towards pedestal, and wherein, two end faces paralleled with the orientation of two optical filters of described fixed frame are the first end face and the second end face respectively.
Preferably, described second shell fragment is two and is symmetrical arranged relative to the middle part of described fixed frame first end face.
Preferably, the bending of described second shell fragment is L shape.
Preferably, described 3rd shell fragment is two, is arranged on described fixed frame second end face and is symmetrical arranged relative to the middle part of described fixed frame second end face.
Preferably, described 3rd shell fragment extends towards the direction away from the first shell fragment away from one of pedestal from described fixed frame.
Preferably, drive motor and motor slide block is also comprised; Described drive motor is relative with described pedestal fixing; Described motor slide block can slide along described first guide pole under the driving of drive motor; Described motor slide block can be fixed with described first shell fragment.
Preferably, two links being positioned at the second guide pole and the 3rd guide pole two ends are also comprised; Described two links and described pedestal are fixed.
Two switching device of optical fiber that the utility model provides, the first shell fragment of optical filter fixed mount is pressed on the first guide pole, and the second guide pole is pressed in the bending of the second shell fragment, and the 3rd shell fragment is pressed in the side away from pedestal of the 3rd guide pole.Like this, the first shell fragment is subject to the effect of the power that the first guide pole applies, and the second shell fragment is subject to the effect of the power that the second guide pole applies, and the 3rd shell fragment is subject to the effect of the power that the 3rd guide pole applies; Under the effect of these three power, optical filter fixed mount is placed in the first guide pole, on the second guide pole and the 3rd guide pole, not with base into contact.Optical filter fixed mount can along the first guide pole, and the second guide pole and the 3rd guide pole slide, compared with prior art, in the handoff procedure of optical filter, reduce contact area, substantially reduce friction force, and then improve the stability of two switching device of optical fiber, reduce failure rate.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of two switching device of optical fiber of an embodiment of the present utility model;
Fig. 2 is the schematic diagram of the optical filter fixed mount of the two switching device of optical fiber shown in Fig. 1;
Schematic diagram after the assembling that Fig. 3 is the two switching device of optical fiber shown in Fig. 1;
The optical filter that Fig. 4 is the two switching device of optical fiber shown in Fig. 3 carries out the schematic diagram switched;
Fig. 5 is the left view of two switching device of optical fiber shown in Fig. 3;
Fig. 6 is the A-A cut-open view of two switching device of optical fiber shown in Fig. 3;
Fig. 7 is the partial enlarged drawing of the part B shown in Fig. 6;
Fig. 8 is the partial enlarged drawing of the C part shown in Fig. 6;
Fig. 9 is the partial enlarged drawing of the D part shown in Fig. 6.
Main element description of reference numerals:
100 pedestals,
200 switch support, 210 first straight-bars, 220 second straight-bars,
300 optical filter fixed mounts, 310 fixed frames,
321 first shell fragments, 322 second shell fragments, 323 the 3rd shell fragments,
410 motor cabinets.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Two switching device of optical fiber of an embodiment of the present utility model, it is arranged in video camera, as shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, comprises pedestal 100, flexible switching support 200, flexible optical filter fixed mount 300 and driven unit.
As shown in Figure 1, pedestal 100 offers window, and wherein, window is used for light and enters two switching device of optical fiber.
As shown in Figure 1, switch support 200 and comprise the first consistent straight-bar 210 and the second straight-bar 220 of length direction, and be positioned at two links at the first straight-bar and the second straight-bar two ends; By two links by switching support 200 and pedestal 100 fixing thus the first straight-bar is fixed relative to pedestal and and between pedestal, there is gap, the second straight-bar is fixed relative to pedestal.
As depicted in figs. 1 and 2, optical filter fixed mount 300 comprises fixed frame 310 and the first shell fragment 321, two the second shell fragments 322 be attached thereto and two the 3rd shell fragments 323; Wherein, fixed frame 310 can be arranged side by side two optical filters, the direction of two optical filter fixed frame arrangements is consistent with the length direction of the first straight-bar and the second straight-bar.First shell fragment 321 is arranged on the middle part of fixed frame first end face and extends towards pedestal, and wherein, two end faces paralleled with the orientation of two optical filters of fixed frame are the first end face and the second end face respectively
Two the second shell fragments 322 are symmetrical arranged relative to the middle part of fixed frame first end face, and each second shell fragment 322 has the bending of L shape and the opening of L shape bending deviates from pedestal.
Two the 3rd shell fragments 323 are arranged on fixed frame second end face and are symmetrical arranged relative to the middle part of fixed frame second end face; Each 3rd shell fragment self-retaining frame extends towards the direction away from the first shell fragment away from one of pedestal.
As shown in Figure 1, driven unit comprises motor cabinet 410, drive motor, motor guide pole and motor slide block.Drive motor and motor guide pole and motor cabinet are fixed, and motor cabinet can be fixed with pedestal; Motor slide block can slide along motor guide pole under the driving of drive motor; Motor slide block can be fixed with the first shell fragment.
The all parts of two switching device of optical fiber is fitted together, comprises the following steps:
Step 100: switching support and pedestal are fixed, makes the first straight-bar and the second straight-bar fix relative to pedestal;
Step 200: the first shell fragment of optical filter fixed mount to be pressed on motor guide pole and the first shell fragment and motor slide block are fixed, make under the drive of drive motor, motor slide block can drive the first shell fragment to slide along motor guide pole;
Step 300: the L shape of the second shell fragment is bent the gap be placed between the first straight-bar and pedestal, the 3rd shell fragment is placed in the side of the second straight-bar away from pedestal simultaneously;
Step 400: fixedly make motor guide pole fix relative to pedestal motor cabinet and pedestal, the first straight-bar is pressed in the L shape bending of the second shell fragment, and the 3rd shell fragment is pressed in the side of the second straight-bar away from pedestal.Now, the first shell fragment and motor guide pole interact, and the second shell fragment and the first straight-bar interact, and the 3rd shell fragment and the second straight-bar interact, with reference to figure 5 and Fig. 6.
As shown in Figure 7, the first shell fragment is subject to the effect of the power that motor guide pole applies, and represents with N1; As shown in Figure 8, the second shell fragment is subject to the effect of the power that the first straight-bar applies, and represents with N2; As shown in Figure 9, the 3rd shell fragment is subject to the effect of the power that the second straight-bar applies, and represents with N3.Under the effect of these three power, optical filter fixed mount is placed in motor guiding polished rod, on the first straight-bar and the second straight-bar.When motor slide block drives the first shell fragment to slide along motor guide pole, the second shell fragment is driven to slide along the first straight-bar the 3rd shell fragment along the second straight-bar, make optical filter fixed mount along motor guide pole, the first straight-bar and the second straight-bar slide, thus realize the switching of optical filter.Like this, optical filter fixed mount not with base into contact, but with motor guide pole, the first straight-bar and the second straight-bar point cantact, reduce contact area, substantially reduce friction force.
Motor guide pole is motor guide pole on the one hand, serves the effect of guiding on the other hand, as the first guide pole in the handoff procedure of optical filter; First straight-bar and the second straight-bar serve the effect of guiding in the handoff procedure of optical filter, respectively as the second guide pole and the 3rd guide pole.By motor guide pole is used as the first guide pole, first straight-bar and the second straight-bar are as the second guide pole and the 3rd guide pole, can by simple structure realize by optical filter fixed mount not with base into contact, but with motor guide pole, the first straight-bar and the second straight-bar point cantact; When assembling, also easily.
As the preferred mode of one, the first straight-bar and the second straight-bar are the first straight-bar of making of resilient material and the second straight-bar, if resilient material is stainless steel 301, and stainless steel 304 after heat effect etc.The first straight-bar that resilient material is made and the second straight-bar can interact at the second shell fragment and the first straight-bar, and the 3rd shell fragment and the second straight-bar interact and ensure to produce enough stress to the second shell fragment and the 3rd shell fragment.
As the preferred mode of one, the first shell fragment, the second shell fragment and the 3rd shell fragment are the first shell fragments that resilient material is made, the second shell fragment and the 3rd shell fragment, if resilient material is stainless steel 301, stainless steel 304 after heat effect etc.
As the optional mode of one, switching support is the switching support that resilient material is made.
As the optional mode of one, optical filter fixed mount is the optical filter fixed mount that resilient material is made.
Obviously, those skilled in the art can carry out various change and modification to the utility model embodiment and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (10)
1. a two switching device of optical fiber, is characterized in that, comprising:
Pedestal;
Optical filter fixed mount, it comprises the fixed frame being arranged side by side two optical filters and the first shell fragment be attached thereto, the second shell fragment and the 3rd shell fragment;
Be fixed on described pedestal the same side and the first guide pole be arranged in order, the second guide pole and the 3rd guide pole, the length direction of three is consistent with the orientation of two optical filters;
Described first shell fragment is towards basement tilt and be pressed on the first guide pole, described second shell fragment has opening and deviates from the bending of pedestal and described second guide pole is pressed in the bending of the second shell fragment, the side away from pedestal that described 3rd shell fragment is pressed in the 3rd guide pole makes described optical filter fixed mount can along described first guide pole, and the second guide pole and the 3rd guide pole slide.
2. according to claim 1 pair of switching device of optical fiber, is characterized in that, described first shell fragment, and the second shell fragment and the 3rd shell fragment are the first shell fragments that resilient material is made, the second shell fragment and the 3rd shell fragment.
3. according to claim 2 pair of switching device of optical fiber, is characterized in that, described second guide pole and the 3rd guide pole are the second guide pole of making of resilient material and the 3rd guide pole.
4. according to claim 3 pair of switching device of optical fiber, it is characterized in that, described first shell fragment is arranged on the middle part of described fixed frame first end face and extends towards pedestal, wherein, two end faces paralleled with the orientation of two optical filters of described fixed frame are the first end face and the second end face respectively.
5. according to claim 4 pair of switching device of optical fiber, is characterized in that, described second shell fragment is two and is symmetrical arranged relative to the middle part of described fixed frame first end face.
6. according to claim 5 pair of switching device of optical fiber, is characterized in that, the bending of described second shell fragment is L shape.
7. according to claim 6 pair of switching device of optical fiber, is characterized in that, described 3rd shell fragment is two, is arranged on described fixed frame second end face and is symmetrical arranged relative to the middle part of described fixed frame second end face.
8. according to claim 7 pair of switching device of optical fiber, is characterized in that, described 3rd shell fragment extends towards the direction away from the first shell fragment away from one of pedestal from described fixed frame.
9. according to claim 8 pair of switching device of optical fiber, is characterized in that, also comprises drive motor and motor slide block; Described drive motor is relative with described pedestal fixing; Described motor slide block can slide along described first guide pole under the driving of drive motor; Described motor slide block can be fixed with described first shell fragment.
10. according to claim 9 pair of switching device of optical fiber, is characterized in that, also comprises two links being positioned at the second guide pole and the 3rd guide pole two ends; Described two links and described pedestal are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428621.5U CN204116779U (en) | 2014-07-31 | 2014-07-31 | Two switching device of optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420428621.5U CN204116779U (en) | 2014-07-31 | 2014-07-31 | Two switching device of optical fiber |
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| Publication Number | Publication Date |
|---|---|
| CN204116779U true CN204116779U (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420428621.5U Active CN204116779U (en) | 2014-07-31 | 2014-07-31 | Two switching device of optical fiber |
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| CN (1) | CN204116779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094223A (en) * | 2016-07-22 | 2016-11-09 | 江苏瑞祺生命科学仪器有限公司 | Optical wavelength lock |
-
2014
- 2014-07-31 CN CN201420428621.5U patent/CN204116779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094223A (en) * | 2016-07-22 | 2016-11-09 | 江苏瑞祺生命科学仪器有限公司 | Optical wavelength lock |
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