CN204129301U - Optical lens electro-optical device - Google Patents
Optical lens electro-optical device Download PDFInfo
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- CN204129301U CN204129301U CN201420563938.XU CN201420563938U CN204129301U CN 204129301 U CN204129301 U CN 204129301U CN 201420563938 U CN201420563938 U CN 201420563938U CN 204129301 U CN204129301 U CN 204129301U
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- portable plate
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- swing arm
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Abstract
The utility model discloses a kind of optical lens electro-optical device, can be applicable on monitoring camera, which solve existing light transmission device structure relative complex, the problem that volume is larger, the technical measures taked: a kind of optical lens electro-optical device, comprise the lens mount and holder that stack together, lens mount and holder are provided with light hole, these two light holes are coaxially arranged, along being provided with movable chamber perpendicular to light hole axis direction in holder, portable plate is provided with actively in movable chamber, portable plate is provided with at least two mounting holes, the optical filter that transmittance is different is separately installed with in different mounting holes, also switching device shifter is provided with in holder, swing arm on switching device shifter and portable plate are actively coupled, switching device shifter is for making the light hole of the optical filter on portable plate respectively with described overlapping, it is characterized in that, described switching device shifter comprises the magnetic conduction iron of U-shaped, coil winding is on a side of magnetic conduction iron, swing arm inner end is connected on columniform turning, turn be engaged in magnetic conduction iron with gap opening in, outer end and the portable plate of swing arm are actively coupled, the eccentric position place turned, or swing arm is fixed with permanent magnet, under the drive of swing arm, portable plate is movable in movable chamber, to make different optical filters overlapping with described light hole.
Description
Technical field
The utility model relates to a kind of light transmission device, particularly relates to a kind of optical lens electro-optical device with switching device shifter.
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.Due to watch-dog work with night by day time, extraneous light difference is larger, and the camera in watch-dog is generally only single kind, camera round-the-clockly can not adapt to extraneous light condition, therefore need to install optical filter additional before the camera lens of camera, and, desirable state is under different external condition, this optical filter needs the change doing to adapt, this change of optical filter is mainly embodied in the change of its transmittance, namely time by day, optical filter has low-transmittance, at night or dark when, optical filter has high transmission rate.
Chinese utility model patent application (application number: disclose a kind of monitoring probe switching device of optical fiber 201120310678.1), comprise by protecgulum and formed with the bonnet of front cover match and switch main body, storage cavity is formed between this protecgulum and bonnet, be provided with rotating filter supporter in this storage cavity and be connected with this filter supporter and drive the drive unit that it rotates, 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, masking frame size and shape can be selected as required, 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, because described filter supporter is that the mode of rotating carries out work, need to arrange pivot in described storage cavity volume, to realize limiting the rotation of filter supporter.The structure of this switching device shifter is comparatively complicated, and comparatively large for the volume realizing the electromagnet of swinging arm, filter supporter is carry out work in an oscillatory manner in switching device shifter in addition, and this makes the volume of this switching device shifter relatively large.
Utility model content
For overcoming above-mentioned defect, the utility model technical issues that need to address: provide a kind of optical lens electro-optical device, the structural compactness of this light transmission device is good.
For solveing the technical problem, the technical solution of the utility model: a kind of optical lens electro-optical device, comprise the lens mount and holder that stack together, lens mount and holder are provided with light hole, these two light holes are coaxially arranged, along being provided with movable chamber perpendicular to light hole axis direction in holder, portable plate is provided with actively in movable chamber, portable plate is provided with at least two mounting holes, the optical filter that transmittance is different is separately installed with in different mounting holes, also switching device shifter is provided with in holder, swing arm on switching device shifter and portable plate are actively coupled, switching device shifter is for making the light hole of the optical filter on portable plate respectively with described overlapping, it is characterized in that, described switching device shifter comprises the magnetic conduction iron of U-shaped, coil winding is on a side of magnetic conduction iron, swing arm inner end is connected on columniform turning, turn be engaged in magnetic conduction iron with gap opening in, outer end and the portable plate of swing arm are actively coupled, the eccentric position place turned, or swing arm is fixed with permanent magnet, under the drive of swing arm, portable plate is movable in movable chamber, to make different optical filters overlapping with described light hole.The transmittance of optical filter is different, being realize owing to increasing and decreasing functional coating on optical glass, as applied IR film (infrared cut coating) on optical glass, being applied on camera, the optical filter scribbling IR film is made daytime to overlap light hole position, to alleviate the amount of incident of light; Optical glass is made night to overlap light hole position, to ensure the amount of incident of light.The magnetic conduction iron of U-shaped is made up of permeability magnetic material-iron, magnetic conduction iron is made up of the dual-side be connected as a single entity, coil winding on a side of magnetic conduction iron, coil some between the dual-side of magnetic conduction iron, the remainder of coil is positioned at the outside of magnetic conduction iron.Magnetic field is produced after coil electricity, magnetic field is utilized to drive swing arm to swing to the attraction of permanent magnet or repulsion, swing arm can drive portable plate to slide in movable chamber when swinging, thus realizes the switching between different optical filter position, adapts to extraneous light environment to make optical device.
As preferably, the light hole on holder is positioned at the center position of holder, and movable chamber is inclined to set in holder; Be provided with installation cavity in holder, described switching device shifter is arranged in installation cavity, has the angle for acute angle between movable chamber and switching chamber.Movable chamber and installation cavity are arranged between the two in the said manner, are convenient to swing arm and drive portable plate motion, make the structural compactness of this optical lens electro-optical device good.
As preferably, portable plate is provided with elongated hole between mounting hole, and the outer end of swing arm is one-body molded reversed column, and reversed column is plugged in elongated hole with gap.By being provided with reversed column in swing arm, be convenient to the guarantee of this reversed column intensity, and portable plate can be made relatively thin, being convenient to the motion of portable plate in movable chamber.
As preferably, the coil be wound on magnetic conduction iron one side is four prisms cylinder shape, and the inside surface of the lateral surface of coil and the lateral wall of installation cavity fits.Coil is turned to four prisms cylinder shape, and the lateral surface of coil, by fitting with the inside surface of installation cavity lateral wall, effectively improves the stability of switching device shifter in installation cavity.
As preferably, magnetic conduction iron is sheet, and the lateral surface of another side of magnetic conduction iron is provided with limited mouth, is plugged on fastening bolt in limited mouth and holder is connected.By arranging limited mouth, and realize connecting and fixing magnetic conduction iron by being plugged on fastening bolt in limited mouth, in conjunction with the laminating between the lateral surface of above-mentioned coil and the inside surface of installation cavity lateral wall, the stability of switching device shifter in installation cavity is ensured.
As preferably, portable plate is provided with the some breach radially outward protruded along mounting hole in the outer rim place of mounting hole.These breach are generally arc, and being arranged so that of these breach is convenient to be fitted into optical filter in mounting hole, also can conveniently take to optical filter.
As preferably, fixed cap is provided with between holder and lens mount, fixed cap is coaxial with set light hole on holder, fixed cap covers the oral area in movable chamber, the guide rail of the movable bottom surface, chamber of protrusion is respectively equipped with in the both sides in bottom width direction, movable chamber, guide rail outside surface is cambered surface, and outside surface and the guide rail outside surface of portable plate are tangent.Be provided with described guide rail, make to have less surface of contact between portable plate and guide rail, the friction force suffered by portable plate is little, is convenient to the motion of portable plate, and due to the setting of guide rail, also makes portable plate have good kinematic accuracy and kinetic stability.
As preferably, be provided with a boss protruded in the bight that portable plate inside surface is all, boss surface is used for contacting with fixed cap surface.Boss designs, and improves the design accuracy of parts, reduces the resistance loss of motion process simultaneously, be convenient to the restriction of fixed cap to portable plate.
Therefore, the beneficial effects of the utility model: portable plate is to move along the center line connecting direction of mounting hole on portable plate, by the setting to switching device shifter and movable chamber relative position, be convenient to swing arm on the one hand promote portable plate, the structural compactness of this light transmission device also can be made good on the other hand.And the winding method of described magnetic conduction iron and coil, also makes the structural compactness of switching device shifter good, be convenient to carry out installation to switching device shifter and fix, the structure of switching device shifter is simple, and cost is low.
Accompanying drawing explanation
Fig. 1 is the dispersed texture figure of the utility model optical lens electro-optical device.
Fig. 2 is the cut-away view of holder.
Fig. 3 is the structural drawing of switching device shifter.
Fig. 4 is the structural drawing of portable plate.
Fig. 5 is the structural drawing of holder.
Embodiment
See in figure, the structure of the utility model optical lens electro-optical device comprises the holder 10 and lens mount 1 that stack together, and the light hole 8 on both holder 10 and lens mount 1 is coaxial.Be provided with internal thread in lens mount 1, be provided with movable chamber 9 in holder 10, be provided with portable plate 5 in movable chamber 9, portable plate 5 is provided with two mounting holes 6, and these two mounting holes 6 interval on the length direction of portable plate 5 is arranged.In the use procedure of reality, as required can plural mounting hole 6 be set on portable plate 5.
For installing optical filter 4 in mounting hole 6, the transmittance of the optical filter 4 installed in different mounting holes 6 is different, and the transmittance height of optical filter 4 is mainly reflected in whether be coated with functional film layer.When this optical lens electro-optical device is applied on camera, portable plate 5 is generally provided with two mounting holes 6, wherein a tablet filter 4 is coated with IR cut film, another tablet filter 4 is optical glass, and the optical filter 4 of two different transmittances can adapt to the requirement of day and night to printing opacity.Be provided with three breach 12 at the outer rim place of mounting hole 6, these three breach 12 are distributed in the circumference of mounting hole 6, and breach 12 is arc, and breach 12 is along the radially outward protrusion of mounting hole 6.
Light hole 8 on holder 10 is positioned at the center position of holder 10, and the movable chamber 9 in holder 10 is overlapping with this light hole 8, and movable chamber 9 is along inclined direction arranged.In holder 10, be provided with installation cavity 7, for installing switching device shifter 3 in installation cavity 7, have angle between installation cavity 7 and movable chamber 9, this angle is acute angle.
The structure of switching device shifter 3 comprises swing arm 15, and one-body molded in the outer end of swing arm 15 have reversed column 17, and the inner end of swing arm 15 is one-body molded or be provided with and columniformly turn 21, is fixed with block permanent magnet 16 turning in 21 or swing arm 15.Switching device shifter 3 also comprises magnetic conduction iron 18, and magnetic conduction iron 18 is plates, and magnetic conduction iron 18 takes the shape of the letter U, and magnetic conduction iron 18 is made up of the dual-side be connected as a single entity.Be wound with coil 20 at a side of magnetic conduction iron 18, coil 20 and wire 14 are electrically connected, and coil 20 monnolithic case is four prisms cylinder shape.Switching device shifter 3 is assemblied in after in installation cavity 7, and the medial surface of the side that coil 20 is relative with another side of magnetic conduction iron 18 and installation cavity 7 outer wall fits together.The lateral surface of another side of magnetic conduction iron 18 is provided with limited mouth 19, and the fastening bolt 13 be plugged in limited mouth 19 realizes positioning in holder 10 switching device shifter 3 by being linked together with holder 10.
Turning in above-mentioned swing arm 15 21 is plugged in the opening of magnetic conduction iron 18 with gap, and turns 21 corresponding, and magnetic conduction iron 18 dual-side is equipped with the recess of arc in the medial surface position of opening.After coil 20 is energized, can produce magnetic field, this magnetic field and described permanent magnet 16 act on and impel swing arm 15 to deflect.Can be make swing arm 15 produce swing on different directions by changing sense of current, also can be act on the return spring of turning in 21 or swing arm 15 and coordinate energising whether by arranging and impel swing arm 15 reciprocally swinging.
Outer end and the portable plate 5 of swing arm 15 are actively coupled, and specifically between two mounting holes 6, are provided with elongated hole 23, and the reversed column 17 of swing arm 15 outer end is plugged in elongated hole 23 with gap.When swing arm 15 swings, portable plate 5 can be driven movable in movable chamber 9, and make the different optical filters 4 on portable plate 5 overlapping with light hole 8 respectively, to complete the switching of optical filter 4.
For increase portable plate 5 move in movable chamber 9 time smoothness, on the bottom surface in movable chamber 9, be respectively equipped with the guide rail 11 of protrusion in Width both sides, movable chamber 9, the outside surface of guide rail 11 is cambered surface, the outside surface of portable plate 5 and the outside surface of guide rail 11 tangent.Portable plate 5 is rectangular, and portable plate 5 four bights have arc angling, and four bights on portable plate 5 inside surface are respectively arranged with four boss 22 protruded.Between lens mount 1 and holder 10, be stacked with a slice fixed cap 2, fixed cap 2 is also provided with light hole 8, the light hole 8 on both fixed cap 2 and holder 10 is coaxial.Fixed cap 2 covers on movable chamber 9, and the surface of portable plate 5 convex platform 22 is used for and the surface of fixed cap 2 contacts.
Claims (8)
1. an optical lens electro-optical device, comprise the lens mount and holder that stack together, lens mount and holder are provided with light hole, these two light holes are coaxially arranged, along being provided with movable chamber perpendicular to light hole axis direction in holder, portable plate is provided with actively in movable chamber, portable plate is provided with at least two mounting holes, the optical filter that transmittance is different is separately installed with in different mounting holes, also switching device shifter is provided with in holder, swing arm on switching device shifter and portable plate are actively coupled, switching device shifter is for making the light hole of the optical filter on portable plate respectively with described overlapping, it is characterized in that, described switching device shifter comprises the magnetic conduction iron of U-shaped, coil winding is on a side of magnetic conduction iron, swing arm inner end is connected on columniform turning, turn be engaged in magnetic conduction iron with gap opening in, outer end and the portable plate of swing arm are actively coupled, the eccentric position place turned, or swing arm is fixed with permanent magnet, under the drive of swing arm, portable plate is movable in movable chamber, to make different optical filters overlapping with described light hole.
2. optical lens electro-optical device according to claim 1, is characterized in that, the light hole on holder is positioned at the center position of holder, and movable chamber is inclined to set in holder; Be provided with installation cavity in holder, described switching device shifter is arranged in installation cavity, has the angle for acute angle between movable chamber and switching chamber.
3. optical lens electro-optical device according to claim 2, it is characterized in that, portable plate is provided with elongated hole between mounting hole, and the outer end of swing arm is one-body molded reversed column, and reversed column is plugged in elongated hole with gap.
4. optical lens electro-optical device according to claim 2, is characterized in that, the coil be wound on magnetic conduction iron one side is four prisms cylinder shape, and the lateral surface of coil and the lateral wall inside surface of installation cavity fit.
5. optical lens electro-optical device according to claim 4, is characterized in that, magnetic conduction iron is sheet, and the lateral surface of another side of magnetic conduction iron is provided with limited mouth, is plugged on fastening bolt in limited mouth and holder is connected.
6. the optical lens electro-optical device according to claim 1,2,3,4 or 5, is characterized in that, portable plate is provided with the some breach radially outward protruded along mounting hole in the outer rim place of mounting hole.
7. the optical lens electro-optical device according to claim 1,2,3,4 or 5, it is characterized in that, fixed cap is provided with between holder and lens mount, fixed cap is coaxial with set light hole on holder, fixed cap covers the oral area in movable chamber, be respectively equipped with the guide rail of the movable bottom surface, chamber of protrusion in the both sides in bottom width direction, movable chamber, guide rail outside surface is cambered surface, and outside surface and the guide rail outside surface of portable plate are tangent.
8. optical lens electro-optical device according to claim 7, is characterized in that, be provided with a boss protruded in the bight that portable plate inside surface is all, boss surface is used for and fixed cap surface contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563938.XU CN204129301U (en) | 2014-09-29 | 2014-09-29 | Optical lens electro-optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420563938.XU CN204129301U (en) | 2014-09-29 | 2014-09-29 | Optical lens electro-optical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204129301U true CN204129301U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420563938.XU Active CN204129301U (en) | 2014-09-29 | 2014-09-29 | Optical lens electro-optical device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204129301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347004A (en) * | 2019-07-29 | 2019-10-18 | 深圳市钒德电子有限公司 | Magnetic kinetoplast changeover module, optical-filter switcher and filming apparatus |
-
2014
- 2014-09-29 CN CN201420563938.XU patent/CN204129301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110347004A (en) * | 2019-07-29 | 2019-10-18 | 深圳市钒德电子有限公司 | Magnetic kinetoplast changeover module, optical-filter switcher and filming apparatus |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |