CN201429760Y - Light filter switching device for imaging sensor - Google Patents
Light filter switching device for imaging sensor Download PDFInfo
- Publication number
- CN201429760Y CN201429760Y CN2009201328499U CN200920132849U CN201429760Y CN 201429760 Y CN201429760 Y CN 201429760Y CN 2009201328499 U CN2009201328499 U CN 2009201328499U CN 200920132849 U CN200920132849 U CN 200920132849U CN 201429760 Y CN201429760 Y CN 201429760Y
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- imaging sensor
- switching device
- optical filter
- optical fiber
- motor
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Abstract
The utility model relates to a light filter switching device for an imaging sensor, which comprises a casing body, a sliding mechanism and a driving mechanism. The casing body consists of a containingportion and a reduction box body; the sliding mechanism is formed by a lead screw, a lead screw lantern ring and a light filter fixing frame; the driving mechanism includes a motor and a gear set; one end of the motor and one end of the sliding mechanism are respectively connected with the gear set; the sliding mechanism is placed inside a containing chamber of a moving device; the gear set is disposed inside a reduction containing chamber; the sliding mechanism is formed by the lead screw and the lead screw lantern ring which is clamped on the edge of the light filter fixing frame. The lightfilter switching device is reasonable in design and structure, small and flexible in volume, accurate and fast in switching process, low in failure rate and easy to be assembled, effectively solves the problem of existing unstable switching technology of double light filters, enables light filters to realize exact positioning in switching process, and leads light rays to be utilized sufficiently,thereby greatly improving performance of video cameras.
Description
Technical field
The utility model relates to a kind of switching device of optical fiber, especially a kind of handoff procedure accurately fast, can be applicable to the switching device of optical fiber for imaging sensor that uses in digitized video device for shooting or the video camera.The switching device of optical fiber for imaging sensor that the utility model provides can be applicable to equipment such as video camera, DV, digital camera.
Background technology
Since daytime with night light luminance obviously different, usually in the daytime or understand two different tablet filters of functions of use night.By day, disturb the imaging sensor imaging owing to contain various invisible lights in the light, colour cast occurs, the optical filter that use this moment should be to remove the light that naked eyes can't be seen, for example ultraviolet ray, infrared ray etc. make imaging sensor obtain more suitable light.But at night, light ray energy is just not enough originally, should cancel optical filter this moment and all come in for all light, removes poly-the departing from of Jiao that the back produces but will correct optical filter with a slice full impregnated glass.Therefore, the video imaging sensor must be used switching device of optical fiber, so as by day, the image of optimum efficiency can both be arranged night.
At present, existing digitized video device for shooting has been standardized or standardization with switching device of optical fiber, and its switching device of optical fiber only can provide a narrow space.Existing switching device of optical fiber generally is divided into two kinds of motor driven mode and Electromagnetic Drive.
Yet the switching device of optical fiber of existing Electromagnetic Drive conversion regime is to utilize electromagnetic induction to drive.The shortcoming of this driving conversion regime is that driving force is not enough, can only drive the thick following optical filter of 0.6mm.DeGrain, and often not in place, can not be used for the high reliability request place.
The utility model content
At the weak point that exists in the problems referred to above, the utility model provides a kind of small and exquisite flexibly, optical filter can realize accurate location in handoff procedure, can allow video camera evening with use different optical filter work daytime respectively; When the light on daytime is abundant, circuit control panel orders about and switches to cutoff filter work in the switch, imaging sensor restores true colour, when night during insufficient light, cutoff filter is removed automatically, and full spectrum optical glass is started working, can respond to the auxilliary light of infrared lamp in evening, make imaging sensor make full use of all light, thereby improved the low of thermal camera, whole image clear and natural greatly according to performance; Two optical filter The Application of Technology are got instant result for the effect of imaging sensor.
For achieving the above object, the utility model provides a kind of switching device of optical fiber for imaging sensor, comprise housing, slide mechanism and driving mechanism, described slide mechanism and described driving mechanism are arranged at described enclosure interior respectively, described housing is made of holding portion and deceleration box, the described accommodation section is divided and is connected with described deceleration box, and the inside of described mobile holding portion is provided with the mobile device container cavity, and the inside of described deceleration box is provided with the deceleration container cavity;
Described slide mechanism is arranged at described mobile device container cavity inside, and described slide mechanism is made of two different optical filter and optical filter fixed mounts of light transmission;
Described driving mechanism is made of motor, gear set and slide mechanism, described motor is connected with described gear set respectively with an end of described slide mechanism, and described slide mechanism and described gear set are arranged at respectively in the deceleration container cavity that reaches described deceleration box in the described mobile device container cavity; Described slide mechanism is made of the screw mandrel and the screw mandrel collar, and the described screw mandrel collar is arranged in the edge of described optical filter fixed mount.
Described motor is arranged at the outside of described housing, can adopt d.c. motor or step motor.
Described two tablet filters are divided into daytime with using optical filter at optical filter and night.
The two ends of described screw mandrel are connected with described gear set and described mobile device container cavity respectively.
The described accommodation section is divided and the outer ledge of described deceleration box is equipped with fixed orifice, and the outer ledge that divides in the described accommodation section also is provided with the power lead screens.
The middle position that the described accommodation section is divided offers a window that runs through.
The outer surface that the described accommodation section is divided also is provided with an imaging sensor frame that can be placed to image-position sensor.
Described imaging sensor frame is arranged at the outside of described window.
Compared with prior art, the utlity model has following advantage:
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 inner structure synoptic diagram of the present utility model;
Fig. 2 is an outboard structure synoptic diagram of the present utility model.
The main element symbol description is as follows:
1 housing, 2 holding portions, 3 deceleration box
4 mobile device container cavities, 5 reduction gear container cavities, 6 fixed orifices
7 motor power ply-yarn drill positions, 8 windows, 9 imaging sensor fixed frames
Use optical filter usefulness at 11 nights optical filter 12 optical filter fixed mounts 10 daytimes
13 motors, 14 gear sets, 15 screw mandrels
16 coils, the 17 screw mandrel collars
Embodiment
The switching device of optical fiber for imaging sensor that the utility model provides can be applicable to equipment such as video camera, DV, digital camera.
The switching device of optical fiber for imaging sensor that the utility model provides is made of three parts, comprises housing 1, sliding unit and driver element.Wherein, slide mechanism and driving mechanism are arranged at housing 1 inside respectively, and driving mechanism is arranged at the upper end or the lower end of slide mechanism.Housing 1 is made of holding portion 2 and deceleration box 3, holding portion 2 is connected with deceleration box 3, be respectively equipped with mobile device container cavity 4 and deceleration container cavity 5 in the inside of holding portion 2 and deceleration box 3, this mobile device container cavity 4 is mainly used in deceleration container cavity 5 and holds slide mechanism and driving mechanism.Divide 2 to be equipped with a plurality of fixed orifices 6 in the described accommodation section, divide 2 outer ledge also to be provided with power lead screens 7 in the described accommodation section with the outer ledge of described deceleration box 3.The middle position of holding portion 2 offers a window that runs through 8, and its outer surface also is provided with an imaging sensor frame 9 that can be placed to image-position sensor, and this imaging sensor frame 9 is arranged at the outside of window 8.
Slide mechanism is arranged in the mobile device container cavity 4 of holding portion 2 inside, by two light transmissions different daytimes with constituting at optical filter 10, night with optical filter 11 and optical filter fixed mount 12.This optical filter fixed mount 12 is a rectangular frame, is embedded with the optical filter that two light transmission features there are differences at optical filter fixed mount 12.In the present embodiment, be used for when daytime or light stronger using with optical filter 10 daytime, and it can isolate some invisible light that is invisible to the naked eye, for example infrared ray, ultraviolet rays etc.Be used for when night or light more weak using with 11 of optical filters night.Next-door neighbour's mode is arranged on the optical filter fixed mount two tablet filters adopting mutually on the glide direction of slide mechanism.In the present embodiment, adopt basic filter thickness can reach 3mm with optical filter 10 and night with optical filter 11 daytime, and driving mechanism adopts motor, so great efforts market can be used substantially at the optical filter of usefulness.
Driving mechanism is made of with slide mechanism motor 13, gear set 14, and motor 13 is arranged at the outside of housing 1, can adopt d.c. motor or step motor.Motor 13 is connected with gear set 14 respectively with an end of slide mechanism, and slide mechanism and gear set 14 are arranged at respectively in the deceleration container cavity 5 of inside of the mobile device container cavity 4 of holding portion 2 inside and deceleration box 3.Slide mechanism is made of with the screw mandrel collar 17 coil 16 that is arranged at screw mandrel 15 surfaces, and the two ends of screw mandrel 15 are connected with gear set 14 and mobile device container cavity 4 respectively.Coil 16 is wound in the outer surface of screw mandrel 15, and an end of the screw mandrel collar 17 is fixed on the outside of coil 16, and the other end then is arranged in the edge of optical filter fixed mount 12.Gear set adopts the multi-stage gear group, and its material can adopt metal or plastics to make, and also can adopt the powder metallurgical technique manufacturing, and screw mandrel adopts metal material or engineering plastics to make.
Switching flow of the present utility model is: revolution drives reduction gearing and rotates, and the back of slowing down drives screw mandrel and rotates, and screw mandrel collar axial rotation drives the axial displacement of optical filter fixed mount, thereby finishes daytime with the switching with the optical filter position of optical filter and night.
The utility model efficiently solves existing two optical filter handoff technique problem of unstable, can allow common day and night type video camera day and night use different optical filter work respectively.When daytime bright and clear, the may command slide mechanism switches to cutoff filter work, and imaging sensor restores true colour; When night during insufficient light, cutoff filter is removed, and full spectral light glass is started working, and makes imaging sensor make full use of all light, thereby has improved the performance of video camera greatly.
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 (8)
1, a kind of switching device of optical fiber for imaging sensor is characterized in that, it comprises housing, slide mechanism and driving mechanism.Described housing is made of mobile device holding portion and deceleration box, described mobile device holding portion is connected with described deceleration box, described slide mechanism is arranged at described mobile device container cavity inside, and described slide mechanism is made of screw mandrel and the screw mandrel collar and optical filter fixed mount; The described screw mandrel collar is arranged in the edge of described optical filter fixed mount.Two optical filters that light transmission is different are installed on the optical filter fixed mount.Described driving mechanism is made of motor, gear set, and described motor is connected with described gear set with described slide mechanism, and described gear set is arranged in the deceleration container cavity of described deceleration box inside.
2, a kind of switching device of optical fiber for imaging sensor as claimed in claim 1 is characterized in that, described motor is arranged at the outside of described housing, can adopt d.c. motor, ultrasonic motor or step motor.
3, a kind of switching device of optical fiber for imaging sensor as claimed in claim 1 is characterized in that, described two tablet filters are divided into daytime with using optical filter at optical filter and night.
4, a kind of switching device of optical fiber for imaging sensor as claimed in claim 1 is characterized in that, described screw mandrel is connected with described gear set and described optical filter fixed mount.
5, a kind of switching device of optical fiber for imaging sensor as claimed in claim 1 is characterized in that, the described accommodation section is divided and the outer ledge of described deceleration box is equipped with a plurality of fixed orifices, and the outer ledge that divides in the described accommodation section also is provided with the power lead screens.
6, a kind of switching device of optical fiber for imaging sensor as claimed in claim 1 is characterized in that, the middle position that the described accommodation section is divided offers a window that runs through.
7, a kind of switching device of optical fiber for imaging sensor as claimed in claim 1 is characterized in that, the outer surface that the described accommodation section is divided also is provided with an imaging sensor frame that can be placed to image-position sensor.
8, as claim 6 or 7 described a kind of switching device of optical fiber for imaging sensor, it is characterized in that described imaging sensor frame is arranged at the outside of described window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201328499U CN201429760Y (en) | 2009-06-12 | 2009-06-12 | Light filter switching device for imaging sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201328499U CN201429760Y (en) | 2009-06-12 | 2009-06-12 | Light filter switching device for imaging sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201429760Y true CN201429760Y (en) | 2010-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201328499U Expired - Lifetime CN201429760Y (en) | 2009-06-12 | 2009-06-12 | Light filter switching device for imaging sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201429760Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636858A (en) * | 2011-10-13 | 2012-08-15 | 上海锐势机器视觉科技有限公司 | Light filter switching mechanism |
| CN103888651A (en) * | 2014-04-16 | 2014-06-25 | 中怡(苏州)科技有限公司 | Network camera |
| CN105445882A (en) * | 2014-09-10 | 2016-03-30 | 河南平原光电有限公司 | Miniature switching mechanism for realized fog-penetrating observation |
| CN109100023A (en) * | 2018-08-13 | 2018-12-28 | 烟台艾睿光电科技有限公司 | A kind of tripper, infrared thermal imager movement and infrared thermal imager |
| CN112450876A (en) * | 2020-11-02 | 2021-03-09 | 吉林师范大学 | Automatic switching device for multiband color separation filter |
-
2009
- 2009-06-12 CN CN2009201328499U patent/CN201429760Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636858A (en) * | 2011-10-13 | 2012-08-15 | 上海锐势机器视觉科技有限公司 | Light filter switching mechanism |
| CN102636858B (en) * | 2011-10-13 | 2014-07-23 | 上海锐势机器视觉科技有限公司 | Light filter switching mechanism |
| CN103888651A (en) * | 2014-04-16 | 2014-06-25 | 中怡(苏州)科技有限公司 | Network camera |
| CN103888651B (en) * | 2014-04-16 | 2017-08-25 | 中磊电子（苏州）有限公司 | Network camera |
| CN105445882A (en) * | 2014-09-10 | 2016-03-30 | 河南平原光电有限公司 | Miniature switching mechanism for realized fog-penetrating observation |
| CN109100023A (en) * | 2018-08-13 | 2018-12-28 | 烟台艾睿光电科技有限公司 | A kind of tripper, infrared thermal imager movement and infrared thermal imager |
| CN112450876A (en) * | 2020-11-02 | 2021-03-09 | 吉林师范大学 | Automatic switching device for multiband color separation filter |
| CN112450876B (en) * | 2020-11-02 | 2022-08-02 | 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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100324 Effective date of abandoning: 20090612 |