CN202975566U - Electromagnetism actuated optical filter switching device - Google Patents
Electromagnetism actuated optical filter switching device Download PDFInfo
- Publication number
- CN202975566U CN202975566U CN 201220655205 CN201220655205U CN202975566U CN 202975566 U CN202975566 U CN 202975566U CN 201220655205 CN201220655205 CN 201220655205 CN 201220655205 U CN201220655205 U CN 201220655205U CN 202975566 U CN202975566 U CN 202975566U
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- filter
- permanent magnet
- optical
- supporter
- electromagnetic drive
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Abstract
The utility model provides an electromagnetism actuated optical filter switching device which comprises a bottom cover, a top cover, an optical filter support, a permanent magnet support, a permanent magnet, a magnetic conductive actuator and an inductance coil. Two actuating arms of the magnetic conductive actuator generate magnetic poles with polarity opposite to that of two sides of the permanent magnet through application of currents with different directions on the inductance coil, so the permanent magnet is driven to drive the optical filter support to rotate so as to allow one selected from the group consisting of an infrared cutoff filter and an infrared transmitting optical filter to face a lens window. The electromagnetism actuated optical filter switching device has the advantage of accurate positioning of the optical filters.
Description
Technical field
The utility model relates to optical-filter switcher, particularly relates to a kind of optical-filter switcher of Electromagnetic Drive.
Background technology
The two optical-filter switchers of electromagnetic type are mainly used on rig camera, and it improves the video effect of video camera under ordinary ray and the low light level by the logical light optical filter that switches different wave length.The switch of present stage has two types of motor-driven and electromagnetic drive types.Need by gear and rack-driving on motor-driven product gear train, this series products reliable, serviceable life is higher, but whole mechanism weight, volume is all larger, and cost is higher.In video camera miniaturization situation day by day, can't be applied in small-sized rig camera.It is by powering on to telefault that electromagnetic type drives the product cardinal principle, and coil produces magnetic field, and this magnetic field produces acting force with the permanent magnet that is fixed on gearing, and operation power is rotated transmission shaft, promotes optical filter and switches.But when the rotating mechanism of this series products arrived the target location, the position of optical filter can't lock, meeting breakaway position when vibrating state, and the switching that makes the mistake perhaps rests on incorrect position, affects the camera review effect.
The utility model content
Based on this, provide a kind of optical filter to locate Electromagnetic Drive optical-filter switcher comparatively accurately.
A kind of Electromagnetic Drive optical-filter switcher comprises:
Bottom, this bottom are provided with camera lens window and the rotating shaft adjacent with this camera lens window, and the end of this rotating shaft offers pilot hole vertically;
Top cover engages mutually with this bottom;
Filter supporter, this filter supporter is rotatably installed on this bottom by this rotating shaft, and this filter supporter is provided with cutoff filter and the infrared optical filter that penetrates side by side, also is provided with connecting hole on this filter supporter;
Permanent magnet bracket comprises rotating basis, is located at pivot and the driving lever of this rotating basis one side, and this pivot rotation is contained in described pilot hole, and described driving lever and this connecting hole fasten;
Permanent magnet is fixed on the opposite side of this rotating basis, and the both sides of this permanent magnet are provided with two opposite magnetic poles;
The magnetic conduction actuator is arranged on this bottom, comprises two actuating arms that are positioned at this permanent magnet both sides; And
Telefault is set on this magnetic conduction actuator;
Wherein, by this telefault being applied the different electric current of direction, make two actuating arms generations of this magnetic conduction actuator and the opposite polarity magnetic pole in both sides of this permanent magnet, thereby drive this permanent magnet and drive the rotation of this filter supporter, make this cutoff filter penetrate optical filter one of them is relative with this camera lens window with infrared.
In embodiment, the Electromagnetic Drive optical-filter switcher also comprises dismountable lens mount of being located on this bottom therein.
In embodiment, this lens mount is the lens mount that is applicable to M12 camera lens or CS and C bayonet socket camera lens therein.
In embodiment, this bottom is provided with the slide rail that this filter supporter of guiding is rotated therein.
In embodiment, this top cover is provided with the chute corresponding with this slide rail therein, and this filter supporter is provided with positioning convex away from the edge of this rotating shaft, and this positioning convex slides in this chute.
Therein in embodiment, this permanent magnet be shaped as right cylinder, form a columniform host cavity between the end of these two actuating arms, this permanent magnet is contained in this host cavity in non-contacting mode.
In embodiment, this bottom is provided with the positioning convex that fastens with this magnetic conduction actuator therein.
Therein in embodiment, this cutoff filter or infrared to penetrate being shaped as of optical filter square, this filter supporter is provided with and is positioned at this cutoff filter or infrared the first limited block that penetrates three sides of optical filter and is positioned at this cutoff filter or infrared the second limited block that penetrates the 4th side of optical filter, and the height of this first limited block is higher than the height of this second limited block.
Above-mentioned Electromagnetic Drive optical-filter switcher passes through to the pulse of telefault input high level, produce magnetic field, magnetic field is by the conduction of magnetic conduction actuator, produce acting force with the permanent magnet at the cylindrical host cavity place of magnetic conduction actuator, magnetic interaction is tried hard to recommend moving filter supporter and is done the angular displacement campaign, makes the position that optical filter switches to be needed.After input pulse finished, permanent magnet locked filter supporter at desired location to the attractive force of magnetic conduction actuator, and because weight or shock effect produce displacement, it is comparatively inaccurate to locate.
Description of drawings
Fig. 1 is the schematic perspective view of the Electromagnetic Drive optical-filter switcher of an embodiment;
Fig. 2 is the schematic perspective view of another angle of Electromagnetic Drive optical-filter switcher shown in Figure 1;
Fig. 3 is the perspective exploded view of Electromagnetic Drive optical-filter switcher shown in Figure 2;
Fig. 4 is the front view of bottom shown in Figure 3;
Fig. 5 is the schematic perspective view of Polarizer support shown in Figure 3;
Fig. 6 is the perspective exploded view of the Electromagnetic Drive optical-filter switcher of another embodiment.
Embodiment
Please consult simultaneously Fig. 1 to Fig. 3, the Electromagnetic Drive optical-filter switcher 100 of an embodiment comprises bottom 10, top cover 20, filter supporter 30, permanent magnet bracket 40, permanent magnet 50, magnetic conduction actuator 60 and telefault 70.Bottom 10 engages accommodation space (not shown) of formation mutually with top cover 20, and filter supporter 30, permanent magnet bracket 40, permanent magnet 50, magnetic conduction actuator 60 and telefault 70 are positioned at this accommodation space.
Please consult simultaneously Fig. 4, bottom 10 is roughly square plate, and its middle part is provided with roughly rounded camera lens window 12.Keep to the side on bottom 10 and the position adjacent with camera lens window 12 is provided with the rotating shaft 14 of a projection.The middle part of rotating shaft 14 offers pilot hole 142 vertically.Run through near the position of rotating shaft 14 locating slot 16 that offers a similar and thick circular arc on bottom 10.Also offer the slide rail 18 of circular arc on bottom 10.The center of circle of the slide rail 18 of circular arc is positioned at the center of pilot hole 142.
The shape of top cover 20 and bottom 10 are roughly the same, and it is fixed together by the modes such as a plurality of screws and bottom 10.Top cover 20 is provided with the chute corresponding with slide rail 18 28.
The shape of magnetic conduction actuator 60 is similar to " コ " shape, and it comprises two parallel actuating arms 62.The end of two actuating arms 62 forms a columniform host cavity 64.The diameter of host cavity 64 is more bigger than permanent magnet 50, so permanent magnet 50 can be contained in this host cavity 64 in non-contacting mode.Magnetic conduction actuator 60 is fixedly mounted on bottom 10.Please again consult Fig. 4, in the present embodiment, bottom 10 is provided with a plurality of positioning convex 17 that fasten with magnetic conduction actuator 60.Such design is not without the need for machine glue bonding (polluting lens wearer), and produces quick and easy for installation.The material of magnetic conduction actuator 60 is permeability magnetic material, for example steel or iron.
Please consult simultaneously Fig. 3 and Fig. 6, Electromagnetic Drive optical-filter switcher 100 also comprises the lens mount 80 of being located on bottom 10.Lens mount 80 for being applicable to the lens mount of M12 camera lens, as shown in Figure 3, or is the lens mount that is applicable to CS and C bayonet socket camera lens, as shown in Figure 6.Lens mount 80 is by the dismountable side that is arranged on bottom 10 of a plurality of screws.
When telefault 70 is in non-power status, because the attractive force of 50 pairs of magnetic conduction actuators 60 of permanent magnet makes filter supporter 30 be locked in static assigned address.This attractive force can be avoided device breakaway position when vibrating state, and the switching that makes the mistake perhaps rests on and is not in harmony the position of working as, and affects camera review.
When applying a minimum voltage for telefault 70, for example during DC3.3V, magnetic conduction actuator 60 becomes electromagnet, and produces magnetic field.Two actuating arms of magnetic conduction actuator 60 produce the opposite polarity magnetic pole in both sides with permanent magnet 50, thereby drive permanent magnet 50 and drive filter supporter 30 rotations, and making cutoff filter 36 penetrate optical filter 38 both one of them is relative with camera lens window 12 with infrared, this process only spends 25ms.Complete thus the switching of optical filter.When needs switch again, telefault 70 is applied the filter supporter 30 that a reverse voltage can make carry out reverse rotation.
Above-mentioned Electromagnetic Drive optical-filter switcher passes through to the pulse of telefault input high level, produce magnetic field, magnetic field is by the conduction of magnetic conduction actuator, produce acting force with the permanent magnet at the cylindrical host cavity place of magnetic conduction actuator, magnetic interaction is tried hard to recommend moving filter supporter and is done the angular displacement campaign, makes the position that optical filter switches to be needed.After input pulse finished, permanent magnet locked filter supporter at desired location to the attractive force of magnetic conduction actuator, and because weight or shock effect produce displacement, it is comparatively inaccurate to locate.The utility model is simple in structure, and is easy to manufacture, dependable performance.And because lens mount is replaceable, go for adopting on the rig camera of different cards mouth mirror head.This product main material PVC engineering plastics not only adopt the plastics of high temperature resistant low deformation properties in addition, also add a certain proportion of carbon fiber in raw material, have strengthened the intensity of product, and are high temperature resistant, wear-resisting type, the life-span of further having improved product.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. an Electromagnetic Drive optical-filter switcher, is characterized in that, comprising:
Bottom, this bottom are provided with camera lens window and the rotating shaft adjacent with this camera lens window, and the end of this rotating shaft offers pilot hole vertically;
Top cover engages mutually with this bottom;
Filter supporter, this filter supporter is rotatably installed on this bottom by this rotating shaft, and this filter supporter is provided with cutoff filter and the infrared optical filter that penetrates side by side, also is provided with connecting hole on this filter supporter;
Permanent magnet bracket comprises rotating basis, is located at pivot and the driving lever of this rotating basis one side, and this pivot rotation is contained in described pilot hole, and described driving lever and this connecting hole fasten;
Permanent magnet is fixed on the opposite side of this rotating basis, and the both sides of this permanent magnet are provided with two opposite magnetic poles;
The magnetic conduction actuator is arranged on this bottom, comprises two actuating arms that are positioned at this permanent magnet both sides; And
Telefault is set on this magnetic conduction actuator;
Wherein, by this telefault being applied the different electric current of direction, make two actuating arms generations of this magnetic conduction actuator and the opposite polarity magnetic pole in both sides of this permanent magnet, thereby drive this permanent magnet and drive the rotation of this filter supporter, make this cutoff filter penetrate optical filter one of them is relative with this camera lens window with infrared.
2. Electromagnetic Drive optical-filter switcher according to claim 1, is characterized in that, also comprises dismountable lens mount of being located on this bottom.
3. Electromagnetic Drive optical-filter switcher according to claim 2, is characterized in that, this lens mount is the lens mount that is applicable to M12 camera lens or CS and C bayonet socket camera lens.
4. Electromagnetic Drive optical-filter switcher according to claim 1, is characterized in that, this bottom is provided with the slide rail that this filter supporter of guiding is rotated.
5. Electromagnetic Drive optical-filter switcher according to claim 4, is characterized in that, this top cover is provided with the chute corresponding with this slide rail, and this filter supporter is provided with positioning convex away from the edge of this rotating shaft, and this positioning convex slides in this chute.
6. Electromagnetic Drive optical-filter switcher according to claim 1, is characterized in that, this permanent magnet be shaped as right cylinder, form a columniform host cavity between the end of these two actuating arms, this permanent magnet is contained in this host cavity in non-contacting mode.
7. Electromagnetic Drive optical-filter switcher according to claim 1, is characterized in that, this bottom is provided with the positioning convex that fastens with this magnetic conduction actuator.
8. Electromagnetic Drive optical-filter switcher according to claim 1, it is characterized in that, this cutoff filter or infrared to penetrate being shaped as of optical filter square, this filter supporter is provided with and is positioned at this cutoff filter or infrared the first limited block that penetrates three sides of optical filter and is positioned at this cutoff filter or infrared the second limited block that penetrates the 4th side of optical filter, and the height of this first limited block is higher than the height of this second limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655205 CN202975566U (en) | 2012-12-03 | 2012-12-03 | Electromagnetism actuated optical filter switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220655205 CN202975566U (en) | 2012-12-03 | 2012-12-03 | Electromagnetism actuated optical filter switching device |
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| Publication Number | Publication Date |
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| CN202975566U true CN202975566U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220655205 Expired - Fee Related CN202975566U (en) | 2012-12-03 | 2012-12-03 | Electromagnetism actuated optical filter switching device |
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| CN (1) | CN202975566U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104267478A (en) * | 2014-10-13 | 2015-01-07 | 中山联合光电科技有限公司 | Optical filter mounting device |
| CN105467720A (en) * | 2014-09-01 | 2016-04-06 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN105629416A (en) * | 2014-11-03 | 2016-06-01 | 湖北省满华光电科技有限公司 | Day and night light filter switching device |
| CN105739078A (en) * | 2014-12-08 | 2016-07-06 | 安徽昌硕光电子科技有限公司 | Optical device capable for night vision |
| CN106444001A (en) * | 2016-11-29 | 2017-02-22 | 中国科学院紫金山天文台 | Magnetic positioning replacement device for light filter |
| WO2018040617A1 (en) * | 2016-08-31 | 2018-03-08 | 苏州微清医疗器械有限公司 | Confocal laser fundus angiographic device |
| CN107843498A (en) * | 2017-09-29 | 2018-03-27 | 江苏理士电池有限公司 | A kind of safety locking magnetic force dismantles compact tensile strength testing device |
| CN110445969A (en) * | 2019-08-16 | 2019-11-12 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
| CN111399318A (en) * | 2020-05-27 | 2020-07-10 | 福州卡尔克电子科技有限公司 | Automatic change photographic auxiliary device of filter |
-
2012
- 2012-12-03 CN CN 201220655205 patent/CN202975566U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105467720A (en) * | 2014-09-01 | 2016-04-06 | 鸿富锦精密工业（深圳）有限公司 | Camera module |
| CN105467720B (en) * | 2014-09-01 | 2019-07-02 | 鸿富锦精密工业（深圳）有限公司 | Camera mould group |
| CN104267478A (en) * | 2014-10-13 | 2015-01-07 | 中山联合光电科技有限公司 | Optical filter mounting device |
| CN105629416A (en) * | 2014-11-03 | 2016-06-01 | 湖北省满华光电科技有限公司 | Day and night light filter switching device |
| CN105739078A (en) * | 2014-12-08 | 2016-07-06 | 安徽昌硕光电子科技有限公司 | Optical device capable for night vision |
| US10575729B2 (en) | 2016-08-31 | 2020-03-03 | Suzhou Microclear Medical Instruments Co., Ltd. | Confocal laser fundus angiographic device |
| WO2018040617A1 (en) * | 2016-08-31 | 2018-03-08 | 苏州微清医疗器械有限公司 | Confocal laser fundus angiographic device |
| CN106444001A (en) * | 2016-11-29 | 2017-02-22 | 中国科学院紫金山天文台 | Magnetic positioning replacement device for light filter |
| CN107843498A (en) * | 2017-09-29 | 2018-03-27 | 江苏理士电池有限公司 | A kind of safety locking magnetic force dismantles compact tensile strength testing device |
| CN107843498B (en) * | 2017-09-29 | 2020-02-21 | 江苏理士电池有限公司 | Safe locking magnetic force disassembly small tensile strength testing device |
| CN110445969A (en) * | 2019-08-16 | 2019-11-12 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
| CN110445969B (en) * | 2019-08-16 | 2021-01-12 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
| CN111399318A (en) * | 2020-05-27 | 2020-07-10 | 福州卡尔克电子科技有限公司 | Automatic change photographic auxiliary device of filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20141203 |
|
| EXPY | Termination of patent right or utility model |