CN201689254U - Rotary switching device for multiple filter plates of imaging sensor - Google Patents
Rotary switching device for multiple filter plates of imaging sensor Download PDFInfo
- Publication number
- CN201689254U CN201689254U CN2010201450258U CN201020145025U CN201689254U CN 201689254 U CN201689254 U CN 201689254U CN 2010201450258 U CN2010201450258 U CN 2010201450258U CN 201020145025 U CN201020145025 U CN 201020145025U CN 201689254 U CN201689254 U CN 201689254U
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- optical filters
- multiple optical
- optical filter
- imaging sensor
- rotary switching
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Abstract
The utility model provides a rotary switching device for multiple filter plates of an imaging sensor, comprising a machine body, a filter plate rotary switching mechanism, a photoelectric position sensor, a transmission mechanism, multiple filter plates fixed on the filter plate rotary switching mechanism, and a position coding hole arranged at the edge of the filter plate, wherein the machine body is provided with a sensitizing window; the filter plate rotary switching mechanism is arranged on the machine body; the multiple filter plates fixed on the filter plate rotary switching mechanism correspond to the sensitizing window; the photoelectric position sensor corresponds to the position coding hole, wherein the transmission mechanism drives the filter plate rotary switching mechanism to rotate and enables the multiple filter plates fixed on the filter plate rotary mechanism to rotate on the sensitizing window.
Description
Technical field
The utility model relates to a kind of multiple optical filters of imaging sensor rotating and switching device that accurately puts in place with position transducer, handoff procedure, and 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 utility model provides a kind of multiple optical filters of imaging sensor rotating and switching 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.
The realization the technical solution of the utility model is: 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 technical scheme 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 utlity model has: the utility model project organization 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 utility model 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 utility model.
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 utility model is described in further detail below in conjunction with accompanying drawing:
The utility model 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 utility model 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 utility model 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 utility model 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 utility model, is familiar with the professional person of this skill such as. after understanding technological means of the present utility model, natural energy is changed under instruction of the present utility model according to the needs of reality.Therefore all equal variation and modifications of being done according to the utility model claim once should still belong in the scope that the utility model patent contains.
Claims (6)
1. multiple optical filters of imaging sensor rotating and switching device is characterized in that comprising 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.
2. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 1, 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.
3. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 1 is characterized in that described multiple optical filters comprises that daytime is with using optical filter at optical filter, night.
4. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 1, 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.
5. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 2 is characterized in that described motor comprises d.c. motor or step motor; Described speed reduction unit comprises a multi-stage gear group.
6. multiple optical filters of imaging sensor rotating and switching device as claimed in claim 1, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201450258U CN201689254U (en) | 2010-03-25 | 2010-03-25 | Rotary switching device for multiple filter plates of imaging sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201450258U CN201689254U (en) | 2010-03-25 | 2010-03-25 | Rotary switching device for multiple filter plates of imaging sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689254U true CN201689254U (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201450258U Expired - Fee Related CN201689254U (en) | 2010-03-25 | 2010-03-25 | Rotary switching device for multiple filter plates of imaging sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN201689254U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955333A (en) * | 2011-08-09 | 2013-03-06 | 精工爱普生株式会社 | Image pickup device and projector |
| CN103941520A (en) * | 2014-04-02 | 2014-07-23 | 山东神戎电子股份有限公司 | Laser night vision device special for motorway |
| CN112450876A (en) * | 2020-11-02 | 2021-03-09 | 吉林师范大学 | Automatic switching device for multiband color separation filter |
| WO2021226801A1 (en) * | 2020-05-11 | 2021-11-18 | 南昌欧菲华光科技有限公司 | Imaging apparatus and mobile terminal |
-
2010
- 2010-03-25 CN CN2010201450258U patent/CN201689254U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955333A (en) * | 2011-08-09 | 2013-03-06 | 精工爱普生株式会社 | Image pickup device and projector |
| US9733552B2 (en) | 2011-08-09 | 2017-08-15 | Seiko Epson Corporation | Image pickup device and projector |
| CN103941520A (en) * | 2014-04-02 | 2014-07-23 | 山东神戎电子股份有限公司 | Laser night vision device special for motorway |
| WO2021226801A1 (en) * | 2020-05-11 | 2021-11-18 | 南昌欧菲华光科技有限公司 | Imaging apparatus and mobile terminal |
| CN112450876A (en) * | 2020-11-02 | 2021-03-09 | 吉林师范大学 | Automatic switching device for multiband color separation filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20110325 |