CN203673205U - Monitor optical filter switching device - Google Patents
Monitor optical filter switching device Download PDFInfo
- Publication number
- CN203673205U CN203673205U CN201320731618.6U CN201320731618U CN203673205U CN 203673205 U CN203673205 U CN 203673205U CN 201320731618 U CN201320731618 U CN 201320731618U CN 203673205 U CN203673205 U CN 203673205U
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- China
- Prior art keywords
- optical filter
- portable plate
- switching device
- holder
- watch
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- 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 - Lifetime
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- 230000003287 optical effect Effects 0.000 title claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 239000013307 optical fiber Substances 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000002834 transmittance Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 11
- 238000005286 illumination Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 5
- 230000000873 masking effect Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000002346 layers by function Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
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- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The utility model discloses a monitor optical filter switching device, which can be used to solve the problems of the conventional monitors such as tedious installation of optical filters, weak impact-resistant performance, and weak shockproof performance. The monitor optical filter switching device comprising a fixing seat, a movable plate, an optical filter, and a power mechanism. The movable plate is movably disposed on the fixing seat, which is provided with a light-transmitting window. The optical filter is disposed on the movable plate, and the power mechanism and the movable plate are connected together to drive the movable plate to move, and therefore the optical filter having different light transmittances can be switched to be attached to the light-transmitting window. The monitor optical filter switching device is characterized in that the optical fiber has the single-piece structure, and is provided with two light-transmitting areas; one of the light-transmitting areas is provided with an anti-reflection layer used for improving the light transmission in a plated manner, and the other light-transmission area is provided with a cut-off layer used for cutting the monochromatic light off in a plated manner, and therefore the two light-transmitting areas are provided with different light transmittances.
Description
Technical field
The utility model relates to a kind of watch-dog, relates in particular to the switching device shifter for the position of optical filter is switched on a kind of watch-dog.
Background technology
Modern city overhead or some emphasis places are generally provided with many watch-dogs, and these watch-dogs generally need to carry out work round-the-clockly.While work with night by day due to watch-dog, extraneous light difference is larger, and camera in watch-dog is only generally single kind, the impossible extraneous light condition of round-the-clock adaptation of camera, therefore need to before the camera lens of camera, install optical filter additional, and, desirable state is under different external condition, the variation that this optical filter need to be done to adapt, this variation of optical filter is to be mainly embodied in the variation of its transmittance, by day time, optical filter has low-transmittance, at night or under the darker situation of light, optical filter has high transmission rate.
Chinese invention patent application (application number: disclose a kind of monitoring probe switching device of optical fiber 201120310678.1), comprise by protecgulum with the bonnet of front cover match and form and switch main body, between this protecgulum and bonnet, form storage cavity, in this storage cavity, be provided with rotating filter supporter and be connected and drive the drive unit of its rotation with this filter supporter, this filter supporter is provided with the optical filter of two different transmittances, between two optical filters, be provided with gathering sill, described protecgulum or after be covered with dismountable masking frame.In use, the masking frame that can coordinate with it according to the photosensitive-member structure choice of CCD or COMS, then by screw, masking frame and bonnet are fixed.Compared with prior art, can select as required masking frame size and shape, and not need again to develop whole monitoring probe switching device of optical fiber mould, therefore can reduce costs, improve the versatility of monitoring probe switching device of optical fiber.
In this switching device shifter, disclosed optical filter is two, and wherein a slice has high transmission rate, and another sheet has low-transmittance, according to actual needs, converts the relative position between optical filter and camera by this switching device shifter.Because structure between two tablet filters is relatively loose, again due to they in the course of the work, need to carry out the conversion of position, it is fixing that this makes inconvenience install them, shock-resistant and anti seismic efficiency is poor, likely because of shock each other, fragmentation occurs.
Summary of the invention
For overcoming above-mentioned defect, the utility model technical issues that need to address: a kind of watch-dog switching device of optical fiber is provided, and the optical filter on it is convenient to be seated, shock-resistant good with anti seismic efficiency.
For solveing the technical problem, the technical solution of the utility model: a kind of watch-dog switching device of optical fiber, comprise holder, fixed cap, portable plate, optical filter and actuating unit, portable plate is arranged on holder actively, on holder, there is optical transmission window, optical filter is arranged on portable plate, actuating unit and portable plate are connected for driving portable plate motion, and the optical filter and the optical transmission window that switch different transmittances fit, it is characterized in that, optical filter is monomer structure, on this optical filter, there are two transmission regions, be useful on the antireflection layer that increases printing opacity at a transmission region plated surface, be useful on some monochromatic cutoff layers of cut-off at another transmission region plated surface, thereby make these two transmission regions there is different transmittances.The work of this switching device shifter is generally controlled by induction installation, and this induction installation carries out perception for light to external world.Induction installation is according to extraneous intensity of illumination, and order-driven mechanism action is positioned at before the camera on watch-dog the optical filter of corresponding transmittance.Two lip-deep functional layers of transmission region on optical filter are to form by the form of plated film, they are generally moulding successively, in the time of a functional layer of plating, another transmission region surface needs covered thing to cover in, and then removes overcover by the method for corrosion.
As preferably, described portable plate is provided with installation window, and optical filter is arranged on this installation the window's position place.This is convenient is fixed optical filter, can provide effectively fixing to optical filter, and corresponding adjustment all can be carried out according to actual demand group in the size of window and position.
As preferably, one-body molded on portable plate have a gusset, and gusset is partial to a side of portable plate, and outer end and the actuating unit of gusset are connected.By described gusset being set for accepting the power of driving mechanism, simple in structure, convenient setting.
As preferably, one-body molded on holder have a guide pillar, and on portable plate, along being provided with pilot hole in the direction of motion of portable plate, guide pillar is plugged in pilot hole with gap, and pilot hole and described gusset are positioned at the homonymy of portable plate.By guide pillar and pilot hole are set, the directivity while contributing to guarantee portable plate motion.And the relative position of pilot hole and described gusset, in the course of the work stressed of adaptive act plate well, can increase stability and the accuracy of structure.
As preferably, described actuating unit comprises electromagnet and driving lever, is provided with permanent magnet on driving lever, utilizes the effect of electromagnet and permanent magnet and makes driving lever motion; Driving lever and portable plate are actively coupled.By driving lever is set, facilitate the transmission of power between actuating unit and portable plate, and structural compactness is good.
As preferably, at a distolateral installation cavity that is formed with of holder, described actuating unit is arranged in installation cavity; It is distolateral that described optical filter is positioned at another of holder.This has adapted to the design feature of switching device shifter well, and the structural compactness of entirety is good, and installation cavity can be adjusted according to the actual requirements.
As preferably, described holder is provided with fixed cap, and the outer rim place of fixed cap is one-body molded some buckles, and one-body molded in the corresponding position of holder have a convex body consistent with buckle number, and a buckle snaps onto on a convex body.Their position of buckle and convex body is corresponding one by one, by fixed cap is set, has both guaranteed that the shock resistance of single unit system is good, can prevent again extraneous dirty impact, can provide effective protective effect for optical filter, and it is convenient between fixed cap and holder, to connect.
Therefore, the beneficial effects of the utility model: owing to being formed with two transmission regions on a substrate, and on different transmission regions, be provided with the functional film layer of different translucent effects, make a tablet filter can adapt to monitoring to the monitoring requirement under different illumination conditions.Optical filter is unitary structure, has facilitated optical filter is assembled, and the optical filter of this structure to external world shock-resistant and anti seismic efficiency of wind is all better, there will not be the shock between optical filter in the course of the work.
Accompanying drawing explanation
Fig. 1 is the dispersed texture figure of the utility model watch-dog switching device of optical fiber.
Fig. 2 is a kind of cut-away view using under state of the utility model watch-dog switching device of optical fiber.
Fig. 3 is the cut-away view under the another kind of use state of the utility model watch-dog switching device of optical fiber.
Embodiment
See in figure, the structure of the utility model watch-dog switching device of optical fiber comprises holder 13, portable plate 5, optical filter 4 and actuating unit.Be provided with at the medium position place of portable plate 5 window 6 is installed, optical filter 4 is fixed on to be installed in window 6.
The installation cavity 15 that is formed with spill at one of holder 13 on distolateral, actuating unit is assemblied in this installation cavity 15, and actuating unit is to be generally fixed in installation cavity 15 by glue.Portable plate 5 is laminar, and another of holder 13 is distolateral is trough-shaped body, and portable plate 5 is fitted on the bottom surface of this trough-shaped body.For portable plate 5 is limited, the oral area of this trough-shaped body one-body molded have some interior to compressing tablet 17, portable plate 5 is with gap between compressing tablet 17 and the bottom surface of trough-shaped body.Portable plate 5 is connected with actuating unit, and under the drive of actuating unit, portable plate 5 can slide on the bottom surface of trough-shaped body.
At another distolateral optical transmission window 14 that is provided with of holder 13, camera in watch-dog is positioned at the dorsal part of this optical transmission window 14, this optical transmission window 14 is positioned on the bottom surface of trough-shaped body, and under the drive of actuating unit, the part of optical filter 4 different transmittances can be fitted with this optical transmission window 14 respectively.
Actuating unit comprises electromagnet 12 and driving lever 10, electromagnet 12 is electrically connected with the wire 11 that reaches holder 13 outsides, on driving lever 10, be provided with permanent magnet, after electromagnet 12 energisings, produce magnetic field, this magnetic fields makes driving lever 10 do the swing of two formulas in permanent magnet, to the transmission region on optical filter 4 is switched with respect to the position of optical transmission window 14.
One-body molded on portable plate 5 have a gusset 8, and on the Width of portable plate 5, gusset 8 is partial to a side of portable plate 5.One-body molded on holder 13 have a guide pillar 16, and guide pillar 16 and gusset 8 are positioned at the same side of portable plate 5.On portable plate 5, be provided with pilot hole 7, guide pillar 16 is plugged in pilot hole 7 with gap, and pilot hole 7 is along arranging in the direction of motion of portable plate 5.Be provided with slotted hole 9 in the outer end of gusset 8, the outer end of driving lever 10 and this slotted hole 9 are linked together actively.
The oral area of holder 13 is snapped with fixed cap 1, and fixed cap 1, for the corresponding component of this switching device shifter is enclosed in holder 13, is provided with penetrating saturating window 2 on fixed cap 1, and window 2 is corresponding with the position of the optical transmission window 14 on holder 13 thoroughly.One-body molded at the outer rim place of fixed cap 1 have some buckles 3, and one-body molded in the corresponding position of holder 13 sides have a number convex body consistent with the number of buckle 3, and a buckle 3 is connected on a convex body.
Claims (7)
1. a watch-dog switching device of optical fiber, comprise holder, portable plate, optical filter and actuating unit, portable plate is arranged on holder actively, on holder, there is optical transmission window, optical filter is arranged on portable plate, actuating unit and portable plate are connected for driving portable plate motion, and the optical filter and the optical transmission window that switch different transmittances fit, it is characterized in that, optical filter is monomer structure, on this optical filter, there are two transmission regions, be useful on the antireflection layer that increases printing opacity at a transmission region plated surface, be useful on some monochromatic cutoff layers of cut-off at another transmission region plated surface, thereby make these two transmission regions there is different transmittances.
2. watch-dog switching device of optical fiber according to claim 1, is characterized in that, described portable plate is provided with installation window, and optical filter is arranged on this installation the window's position place.
3. watch-dog switching device of optical fiber according to claim 2, is characterized in that, one-body molded on portable plate have a gusset, and gusset is partial to a side of portable plate, and outer end and the actuating unit of gusset are connected.
4. watch-dog switching device of optical fiber according to claim 3, it is characterized in that, one-body molded on holder have a guide pillar, on portable plate along being provided with pilot hole in the direction of motion of portable plate, guide pillar is plugged in pilot hole with gap, and pilot hole and described gusset are positioned at the homonymy of portable plate.
5. according to the watch-dog switching device of optical fiber described in claim 1,2,3 or 4, it is characterized in that, described actuating unit comprises electromagnet and driving lever, is provided with permanent magnet on driving lever, utilizes the effect of electromagnet and permanent magnet and makes driving lever motion; Driving lever and portable plate are actively coupled.
6. according to the watch-dog switching device of optical fiber described in claim 1,2,3 or 4, it is characterized in that, at a distolateral installation cavity that is formed with of holder, described actuating unit is arranged in installation cavity; It is distolateral that described optical filter is positioned at another of holder.
7. according to the watch-dog switching device of optical fiber described in claim 1,2,3 or 4, it is characterized in that, described holder is provided with fixed cap, the outer rim place of fixed cap is one-body molded some buckles, one-body molded in the corresponding position of holder have a convex body consistent with buckle number, and a buckle snaps onto on a convex body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731618.6U CN203673205U (en) | 2013-11-18 | 2013-11-18 | Monitor optical filter switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320731618.6U CN203673205U (en) | 2013-11-18 | 2013-11-18 | Monitor optical filter switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203673205U true CN203673205U (en) | 2014-06-25 |
Family
ID=50969479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320731618.6U Expired - Lifetime CN203673205U (en) | 2013-11-18 | 2013-11-18 | Monitor optical filter switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203673205U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238060A (en) * | 2014-10-16 | 2014-12-24 | 浙江金之路信息科技有限公司 | Auto-polarizer handling device and method thereof |
| CN112437209A (en) * | 2019-08-26 | 2021-03-02 | 北京地平线机器人技术研发有限公司 | Apparatus, method and system for adjusting incident light intensity of image pickup apparatus |
| CN112511760A (en) * | 2019-08-26 | 2021-03-16 | 北京地平线机器人技术研发有限公司 | Method and apparatus for adjusting incident light intensity of image pickup device, medium, and apparatus |
-
2013
- 2013-11-18 CN CN201320731618.6U patent/CN203673205U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238060A (en) * | 2014-10-16 | 2014-12-24 | 浙江金之路信息科技有限公司 | Auto-polarizer handling device and method thereof |
| CN112437209A (en) * | 2019-08-26 | 2021-03-02 | 北京地平线机器人技术研发有限公司 | Apparatus, method and system for adjusting incident light intensity of image pickup apparatus |
| CN112511760A (en) * | 2019-08-26 | 2021-03-16 | 北京地平线机器人技术研发有限公司 | Method and apparatus for adjusting incident light intensity of image pickup device, medium, and apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |