CN101806947A - Rotation switching method and device of multiple optical filters of imaging sensor - Google Patents
Rotation switching method and device of multiple optical filters of imaging sensor Download PDFInfo
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- CN101806947A CN101806947A CN 201010135867 CN201010135867A CN101806947A CN 101806947 A CN101806947 A CN 101806947A CN 201010135867 CN201010135867 CN 201010135867 CN 201010135867 A CN201010135867 A CN 201010135867A CN 101806947 A CN101806947 A CN 101806947A
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Abstract
The invention relates to rotation switching method and device of multiple optical filters of an imaging sensor. The device comprises a machine body, a rotation switching mechanism of optical filters, a photoelectric position sensor, a transmission mechanism, multiple optical filters fixed on the rotation switching mechanism of the optical filters and position notches arranged at the edges of the optical filters, wherein a light sensing window is arranged on the machine body, the rotation switching mechanism of the optical filters is arranged on the machine body, the optical filters fixed on the rotation switching mechanism of the optical filters correspond to the light sensing window, and the photoelectric position sensor corresponds to the position notches. The transmission mechanism drives the rotation switching mechanism of the optical filters to rotate, and the optical filters fixed on the rotation switching mechanism of the optical filters are rotated onto the light sensing window.
Description
Technical field
The present invention relates to a kind of multiple optical filters of imaging sensor rotation switching method and device that accurately puts in place with position transducer, handoff procedure, the present invention can be applicable to equipment such as video camera, DV, digital camera.
Background technology
Because imaging sensor can be responded to the various invisible lights in the nature light, will use different optical filters in different places.Sometimes need multiple optical filters to switch and satisfy request for utilization.As will using with bandpass filter, the night of 380nm～650nm daytime.200nm～1000nm's, according to car plate, the Penetrating Fog special use, laser lighting special use or the like,
Existing switching device of optical fiber generally is divided into two kinds of motor driven mode and Electromagnetic Drive.But all be to adopt rectilinearly-movable back and forth to switch.Can only be that two tablet filters switch.
The switching device of optical fiber of the reciprocal switch transition mode of existing rectilinearly-movable has a common fault: controller is not known the optical filter position.Frequent appearance inconsistent phenomenon.The optical filter that uses a day and night of having serious consequences puts upside down or not in place, this driving conversion regime drives blind.And the driving circuit complexity, need provide the commutation electric current, and and it is often not in place, can not be used for the security protection industry of high reliability request.
Summary of the invention
The purpose of this invention is to provide a kind of multiple optical filters of imaging sensor rotation switching method and device, by mode and the mechanism that adopts the optical filter rotation to switch, arbitrary tablet filter in the multiple optical filters is rotated to photosensitive window, realized the accurate location of optical filter in handoff procedure, can allow video camera under different condition, use different optical filter work respectively, thereby improve the overall performance of video camera greatly.
Realize that method of the present invention is: this method comprises the mode that adopts the optical filter rotation to switch, and the arbitrary tablet filter in the multiple optical filters is rotated to photosensitive window.
This method also comprises; The mode that the rotation of described employing optical filter is switched comprises and a multiple optical filters rotating disc is set and a driving mechanism is set that wherein said multiple optical filters rotating disc is provided with multiple optical filters, and the described multiple optical filters rotating disc of described drive mechanism rotates.
Realization the inventive system comprises: this being installed on comprises body, optical filter rotary switching mechanism, photoelectrical position sensor, gear train, is fixed on multiple optical filters on the optical filter rotary switching mechanism, is arranged on the position encoded hole at optical filter edge; Wherein said body is provided with photosensitive window, the optical filter rotary switching mechanism is arranged on the body, the described corresponding photosensitive window of multiple optical filters that is fixed on the optical filter rotary switching mechanism, described photoelectrical position sensor correspondence position notch, wherein said gear train drives the optical filter rotary switching mechanism and rotates, and the multiple optical filters that will be fixed on the optical filter rotating mechanism rotates on the photosensitive window.
This device also comprises:
Described optical filter rotary switching mechanism comprises a disk, multiple optical filters fixed mount, multiple optical filters, position encoded hole, axle core, the cylindrical of wherein said disk is provided with tooth and forms fluted disc, multiple optical filters is fixed on the disk by the multiple optical filters fixed mount, position encoded hole is arranged on the edge of optical filter, and fluted disc is installed in described body by the axle core; Described gear train comprises motor and speed reduction unit; Wherein the output terminal of speed reduction unit is meshed with the tooth of fluted disc, and motor drives fluted disc by speed reduction unit and rotates.
Described multiple optical filters comprises the optical filter of using optical filter daytime, using optical filter, other purposes night.
Described photoelectrical position sensor is arranged on the upper cover plate of described body and organism bottom, and described position encoded hole is arranged on the edge of described multiple optical filters fixed mount.
Described motor comprises d.c. motor or step motor; Described speed reduction unit comprises a multi-stage gear group.
Described photosensitive window be arranged on described body below, this photosensitive window is greater than imaging sensor, is provided with the surrounding edge that is used for fixing imaging sensor around this photosensitive window edge.One tablet filter of fluted disc just in time is placed on the window, and control circuit sends different instructions and makes the different angle of rotating mechanism rotation when needing different optical filters.
Described and upper cover plate is provided with lens mount, and lens mount and upper cover plate can be integrated in one.
The beneficial effect that the present invention has: project organization of the present invention is reasonable, and volume is small and exquisite, and handoff procedure is accurately quick flexibly, and failure rate is low, and assembling is easy, applied range.The present invention efficiently solves existing two optical filter handoff technique problem of unstable, makes optical filter can realize accurate location in handoff procedure, and light is fully used, thereby increases substantially the low according to performance of video camera.
Description of drawings
Fig. 1 is an one-piece construction synoptic diagram of the present invention.
Fig. 2 is the upper cover plate synoptic diagram of Fig. 1.
Fig. 3 is the base synoptic diagram of Fig. 1.
Fig. 4 is the body synoptic diagram of Fig. 1.
Fig. 5 is the fluted disc assembly synoptic diagram of Fig. 4.
Fig. 6 is the vertical view of Fig. 5.
Fig. 7 is the cut-open view of Fig. 5.
Fig. 8 is the gear train synoptic diagram of Fig. 4.
Fig. 9 is Fig. 3 inner structure synoptic diagram.
Among the figure: 1 upper cover plate, 11 lens mounts, 12 position transducers, 2 bodies, 3 bases, 31 windows, 4 optical filter rotary switching mechanisms, 41 fluted discs, 42 position encoded holes, 43 cores, 5 optical filters, 6 gear trains, 61 motors, 62 screw rods, 63 first gears, 64 second gears, 65 the 3rd gears.
Embodiment
The invention will be further described below in conjunction with accompanying drawing:
The invention provides a kind of brand-new rotary switching device shifter of many optical filters, can be applicable to equipment such as video camera, DV, digital camera.
As shown in the figure, this device is mainly by upper cover plate 1, body 2, base 3 is formed, upper cover plate 1 and base 3 are in the both sides of body 2, wherein upper cover plate 1 has lens mount 11 and the position transducer 12 that camera lens is installed, base 3 fenestrate 31, body 2 comprises optical filter rotary switching mechanism 4 and gear train 6, optical filter rotary switching mechanism 4 is by fluted disc 41, position encoded hole 42, axle core 43 is formed, multiple optical filters 5 is arranged on the fluted disc 41, gear train 6 is by motor 61, screw rod 62, first gear 63, second gear 64, the 3rd gear 65 is formed, motor 61 can be selected direct current generator or stepper motor for use, motor 61 drives first gear 63 by screw rod 62, second gear 64, the 3rd gear 65 slows down and rotates, and the 3rd gear 65 drives fluted disc 41 and rotates.
Rotating mechanism is arranged at internal body, requires to install the different optical filter of multi-disc light transmission according to service condition.In the present embodiment, arranged with optical filter and use optical filter evening, Penetrating Fog and high light inhibition filter and other purposes optical filter daytime.
Switching flow of the present invention is: revolution driven gear group rotates, rotate through the gear set back driven rotary mechanism of slowing down, and control circuit sent stop instruction after photoelectrical position sensor 12 detected rotating mechanism and forwards the precalculated position to, and motor stops operating.Thereby finish the switching of optical filter.
All part can adopt metal or plastics to make, and also can adopt the powder metallurgical technique manufacturing.
The present invention efficiently solves existing two optical filter handoff technique problem of unstable, can use different optical filter work respectively according to environment for use by video camera.Thereby improved the performance of video camera greatly.
Novelty of the present invention is location and rotation, has initiated the position that many optical filter rotation switchings and position transducer detect optical filter.
Only above person only is preferred embodiment of the present invention, is familiar with the professional person of this skill such as. after understanding technological means of the present invention, natural energy is changed under instruction of the present invention according to the needs of reality.Therefore all equal variation and modifications of being done according to the present patent application claim once should still belong in the scope that patent of the present invention contains.
Claims (9)
1. a multiple optical filters of imaging sensor rotation switching method is characterized in that comprising the mode that adopts the optical filter rotation to switch, and the arbitrary tablet filter in the multiple optical filters is rotated to photosensitive window.
2. multiple optical filters of imaging sensor rotation switching method as claimed in claim 1, it is characterized in that mode that the rotation of described employing optical filter is switched comprises is provided with a multiple optical filters rotating disc, with a driving mechanism is set, wherein said multiple optical filters rotating disc is provided with multiple optical filters, and the described multiple optical filters rotating disc of described drive mechanism rotates.
3. realize the device of the multiple optical filters of imaging sensor rotation switching method of claim 1, it is characterized in that comprising body, optical filter rotary switching mechanism, photoelectrical position sensor, gear train, be fixed on multiple optical filters on the optical filter rotary switching mechanism, be arranged on the position encoded hole at optical filter edge; Wherein said body is provided with photosensitive window, the optical filter rotary switching mechanism is arranged on the body, the described corresponding photosensitive window of multiple optical filters that is fixed on the optical filter rotary switching mechanism, described photoelectrical position sensor correspondence position notch, wherein said gear train drives the optical filter rotary switching mechanism and rotates, and the multiple optical filters that will be fixed on the optical filter rotating mechanism rotates on the photosensitive window.
4. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 3, it is characterized in that described optical filter rotary switching mechanism comprises a disk, multiple optical filters fixed mount, multiple optical filters, position encoded hole, axle core, the cylindrical of wherein said disk is provided with tooth and forms fluted disc, multiple optical filters is fixed on the disk by the multiple optical filters fixed mount, position encoded hole is arranged on the edge of optical filter, and fluted disc is installed in described body by the axle core; Described gear train comprises motor and speed reduction unit; Wherein the output terminal of speed reduction unit is meshed with the tooth of fluted disc, and motor drives fluted disc by speed reduction unit and rotates.
5. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 3 is characterized in that described multiple optical filters comprises that daytime is with using optical filter, other purposes optical filters at optical filter, night.
6. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 3, it is characterized in that described photoelectrical position sensor is arranged on the upper cover plate of described body and organism bottom, described position encoded hole is arranged on the edge of described multiple optical filters fixed mount.
7. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 4 is characterized in that described motor comprises d.c. motor or step motor; Described speed reduction unit comprises a multi-stage gear group.
8. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 3, it is characterized in that described photosensitive window be arranged on described body below, this photosensitive window is provided with the surrounding edge that is used for fixing imaging sensor greater than imaging sensor around this photosensitive window edge.
9. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 6 is characterized in that described and upper cover plate is provided with lens mount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010135867 CN101806947A (en) | 2010-03-25 | 2010-03-25 | Rotation switching method and device of multiple optical filters of imaging sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010135867 CN101806947A (en) | 2010-03-25 | 2010-03-25 | Rotation switching method and device of multiple optical filters of imaging sensor |
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| CN101806947A true CN101806947A (en) | 2010-08-18 |
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| CN 201010135867 Pending CN101806947A (en) | 2010-03-25 | 2010-03-25 | Rotation switching method and device of multiple optical filters of imaging sensor |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313956A (en) * | 2011-08-26 | 2012-01-11 | 深圳市优威视讯科技有限公司 | Optical device automatic switching device and photography equipment |
| CN102661722A (en) * | 2012-05-16 | 2012-09-12 | 浙江大学 | Image overlaying-based thin sheet part contour automatic detection head and method |
| CN102679232A (en) * | 2012-05-28 | 2012-09-19 | 中山生动力健身器材有限公司 | Desk lamp |
| CN103135322A (en) * | 2011-11-30 | 2013-06-05 | 赵超 | Optical filter shifting device and imaging equipment |
| CN103309739A (en) * | 2013-05-31 | 2013-09-18 | 西安应用光学研究所 | Switching positioning control method for optical filtering assembly |
| CN103854520A (en) * | 2012-11-30 | 2014-06-11 | 无锡羿飞科技有限公司 | Small-sized multimedia projection demonstration system |
| CN104049439A (en) * | 2014-06-26 | 2014-09-17 | 中山联合光电科技有限公司 | Switchover assembly with rotation function |
| CN104198394A (en) * | 2014-09-09 | 2014-12-10 | 中国科学院电工研究所 | Photoacoustic spectrometry detection device with detachable optical filter plate structure |
| CN104375250A (en) * | 2014-11-25 | 2015-02-25 | 宁波江丰生物信息技术有限公司 | Device for automatically switching optical filter |
| CN104793449A (en) * | 2014-01-22 | 2015-07-22 | 深圳市维安华科技有限公司 | Filter switching device and switching method thereof |
| WO2016065740A1 (en) * | 2014-10-30 | 2016-05-06 | 珠海市川富光学技术有限公司 | Adapter ring convenient for adjustment, and lens filter support |
| CN105589161A (en) * | 2015-12-18 | 2016-05-18 | 中国科学技术大学 | Adjustable constant-temperature optical filter switching apparatus |
| CN106125462A (en) * | 2016-08-30 | 2016-11-16 | 杭州日月电子有限公司 | A kind of double optical-filter switcher |
| CN107421443A (en) * | 2016-05-23 | 2017-12-01 | 株式会社三丰 | The switching method of measurement system and adjustment setting value |
| CN108628060A (en) * | 2018-06-25 | 2018-10-09 | 中山联合光电科技股份有限公司 | A kind of stepping iris diaphragm structure with light damping plate conversion equipment |
| CN109330621A (en) * | 2018-10-19 | 2019-02-15 | 深圳市创谷科技发展有限公司 | Beam-defining clipper and X-ray machine |
| CN110267407A (en) * | 2019-03-20 | 2019-09-20 | 合肥名德光电科技股份有限公司 | Intelligent luminaire and its control system based on image procossing |
| CN111258019A (en) * | 2020-03-20 | 2020-06-09 | 宁波翔东智能科技有限公司 | Electric conversion device for optical filter |
| CN112578523A (en) * | 2020-12-30 | 2021-03-30 | 中国科学院长春光学精密机械与物理研究所 | Optical filter switching device |
| CN113418897A (en) * | 2021-06-17 | 2021-09-21 | 安徽建筑大学 | Fluorescent material excitation measuring device |
| CN114506558A (en) * | 2022-02-24 | 2022-05-17 | 河南警察学院 | DNA detects sampling specimen-box |
| CN116158721A (en) * | 2023-04-23 | 2023-05-26 | 深圳市宏济医疗技术开发有限公司 | LED (light emitting diode) high-brightness light source system of medical endoscope and medical endoscope |
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| CN1522051A (en) * | 2003-02-12 | 2004-08-18 | Dual image sensor photographing technique and apparatus thereof | |
| JP2010061002A (en) * | 2008-09-05 | 2010-03-18 | Tamron Co Ltd | Optical filter changeover mechanism, lens device and image capturing apparatus |
| CN201392444Y (en) * | 2009-04-28 | 2010-01-27 | 长春市佶达智能工程有限公司 | Automatic switch optical filter device for surveillance camera |
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313956A (en) * | 2011-08-26 | 2012-01-11 | 深圳市优威视讯科技有限公司 | Optical device automatic switching device and photography equipment |
| CN103135322A (en) * | 2011-11-30 | 2013-06-05 | 赵超 | Optical filter shifting device and imaging equipment |
| CN103135322B (en) * | 2011-11-30 | 2016-04-27 | 赵超 | Switching device of optical fiber and imaging device |
| CN102661722A (en) * | 2012-05-16 | 2012-09-12 | 浙江大学 | Image overlaying-based thin sheet part contour automatic detection head and method |
| CN102679232A (en) * | 2012-05-28 | 2012-09-19 | 中山生动力健身器材有限公司 | Desk lamp |
| CN103854520A (en) * | 2012-11-30 | 2014-06-11 | 无锡羿飞科技有限公司 | Small-sized multimedia projection demonstration system |
| CN103309739A (en) * | 2013-05-31 | 2013-09-18 | 西安应用光学研究所 | Switching positioning control method for optical filtering assembly |
| CN103309739B (en) * | 2013-05-31 | 2016-03-02 | 西安应用光学研究所 | The switching position control method of filtering assembly |
| CN104793449A (en) * | 2014-01-22 | 2015-07-22 | 深圳市维安华科技有限公司 | Filter switching device and switching method thereof |
| CN104049439A (en) * | 2014-06-26 | 2014-09-17 | 中山联合光电科技有限公司 | Switchover assembly with rotation function |
| CN104049439B (en) * | 2014-06-26 | 2017-01-04 | 中山联合光电科技有限公司 | A kind of changeover module with spinfunction |
| CN104198394A (en) * | 2014-09-09 | 2014-12-10 | 中国科学院电工研究所 | Photoacoustic spectrometry detection device with detachable optical filter plate structure |
| WO2016065740A1 (en) * | 2014-10-30 | 2016-05-06 | 珠海市川富光学技术有限公司 | Adapter ring convenient for adjustment, and lens filter support |
| US20170192193A1 (en) * | 2014-10-30 | 2017-07-06 | Zhuhai Chuanfu Optical Technology Co., Ltd | Convenient-to-adjust extension ring and camera lens filter bracket |
| US9983379B2 (en) * | 2014-10-30 | 2018-05-29 | Zhuhai Chuanfu Optical Technology Co., Ltd | Convenient-to-adjust extension ring and camera lens filter bracket |
| CN104375250A (en) * | 2014-11-25 | 2015-02-25 | 宁波江丰生物信息技术有限公司 | Device for automatically switching optical filter |
| CN105589161A (en) * | 2015-12-18 | 2016-05-18 | 中国科学技术大学 | Adjustable constant-temperature optical filter switching apparatus |
| CN107421443B (en) * | 2016-05-23 | 2020-10-13 | 株式会社三丰 | Measurement system and method for switching setting values for adjustment |
| CN107421443A (en) * | 2016-05-23 | 2017-12-01 | 株式会社三丰 | The switching method of measurement system and adjustment setting value |
| CN106125462A (en) * | 2016-08-30 | 2016-11-16 | 杭州日月电子有限公司 | A kind of double optical-filter switcher |
| CN108628060A (en) * | 2018-06-25 | 2018-10-09 | 中山联合光电科技股份有限公司 | A kind of stepping iris diaphragm structure with light damping plate conversion equipment |
| CN109330621A (en) * | 2018-10-19 | 2019-02-15 | 深圳市创谷科技发展有限公司 | Beam-defining clipper and X-ray machine |
| CN110267407A (en) * | 2019-03-20 | 2019-09-20 | 合肥名德光电科技股份有限公司 | Intelligent luminaire and its control system based on image procossing |
| CN111258019A (en) * | 2020-03-20 | 2020-06-09 | 宁波翔东智能科技有限公司 | Electric conversion device for optical filter |
| CN112578523A (en) * | 2020-12-30 | 2021-03-30 | 中国科学院长春光学精密机械与物理研究所 | Optical filter switching device |
| CN113418897A (en) * | 2021-06-17 | 2021-09-21 | 安徽建筑大学 | Fluorescent material excitation measuring device |
| CN114506558A (en) * | 2022-02-24 | 2022-05-17 | 河南警察学院 | DNA detects sampling specimen-box |
| CN116158721A (en) * | 2023-04-23 | 2023-05-26 | 深圳市宏济医疗技术开发有限公司 | LED (light emitting diode) high-brightness light source system of medical endoscope and medical endoscope |
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Open date: 20100818 |