CN103792759A - Shutter - Google Patents
Shutter Download PDFInfo
- Publication number
- CN103792759A CN103792759A CN201210595202.6A CN201210595202A CN103792759A CN 103792759 A CN103792759 A CN 103792759A CN 201210595202 A CN201210595202 A CN 201210595202A CN 103792759 A CN103792759 A CN 103792759A
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- China
- Prior art keywords
- shutter
- motor
- blocking piece
- axle sleeve
- shaft sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a shutter, which comprises a motor, a motor sleeve, a shaft sleeve and a shutter blocking piece, wherein one end of the motor is connected with the outside; the other end of the motor is connected with the shaft sleeve; the motor is arranged in the motor sleeve and is used for supplying power to the shutter blocking piece; the motor sleeve is sleeved outside the motor and used for controlling the angle of the contact surface of the motor and a camera; one end of the shaft sleeve is connected with the motor, and the other end of the shaft sleeve is connected with the shutter blocking piece and used for limiting the shutter blocking piece; the shutter blocking piece fixedly sleeves the shaft sleeve and comprises a heat-insulating layer and a metal layer; the heat-insulating layer faces the side connected with the motor and is used for insulating the shutter blocking piece from heat radiation; and the metal layer is used for radiation and reflection. According to the shutter, the structure is simple, the volume and cost are reduced. Besides, the shutter is low in failure rate and low in volume, and the binding and assembly process is simple; the shutter blocking piece is not changed with the temperature and is not deformed; and the shutter is light, and easy to machine. Therefore, the shutter is greatly improved compared with the traditional shutter with a spring and a steel sheet.
Description
Technical field
The present invention relates to a kind of shutter.
Background technology
Shutter, in white light camera technology, has just been invented multiple shutter, from lens cap shutter, and plug-in strip shutter, center vane shutter between mirror, tipping bucket shutter, focal plane shutter is to digital electronic shutter etc.Only the electronic shutter of digital camera is the output that does not absorb photosensitive part, other be all to control to the lighting quantity of photosensitive part in shading mode in section between at a time, thereby determine exposure value.Different from white light, infrared shutter maximum effect is not to control exposure value, but assistant images processing.Because the structural property of infrared eye own, its can be along with the variation of time, and image quality can variation, becomes fineless and smooth, now shelters from before detector with a consistent plane body of the temperature difference, proofreaies and correct after temperature difference processing, and image just can become original level again.This processing means of infrared eye are Nonuniformity Correction.Shutter is being taken on the important use of doing in Nonuniformity Correction.
While even comparing with picture quality in current each bright red outer producer, perhaps the good job of shutter is determining last victory or defeat.So in the performance history of thermal infrared imager, producer pays much attention to the design and production of shutter.Thermal infrared imager carries out timing, and shutter is general only need to close and block 0.3s, and electronic processing has been proofreaied and correct and opened rapidly afterwards, allows light again by aiming at focal plane, so just completes once correction.So shutter does not need very fast, takes into account cost, be all generally take guillotine type shutter as main.Due to some application occasion, as unattended district or automatic search system, thermal imaging system may be aimed at the sun, sunlight easy direct irradiation focal plane and fault localization device when search or after shutdown, shutter prevents from burning out instrument in order to close shutter, so need to have sunshade function, have two phasic properties.Existing shutter great majority are all single-phase, close the working method that rear dependence spring force pulls open, and mostly adopt independent metallic aluminium or steel disc processing, own easily deformation after processing, the aluminium flake temperature that works long hours also can rise by straight line, affect image rectification, spring also can lose efficacy along with long-time use.
Summary of the invention
The present invention is directed to the deficiency that prior art is stable not, provide a kind of simple in structure, cost is low, the shutter of failure rate is low.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of shutter, comprises motor, motor cover, axle sleeve and shutter baffle;
Described motor one end is connected with outside, and the other end is connected with axle sleeve, and described motor is located in motor cover and is provided power for shutter baffle;
Described motor cover is set in outside motor, for controlling the angle of surface of contact of motor and camera;
Described axle sleeve one end is connected with motor, and the other end is connected with shutter baffle and carries out spacing to shutter baffle;
Described shutter baffle is fixedly set on axle sleeve, and described shutter baffle comprises heat insulation layer and metal level, and described heat insulation layer is towards the side being connected with motor, and described heat insulation layer is the isolated heat radiation of shutter baffle; Described metal level is used for dispelling the heat reflective.
The invention has the beneficial effects as follows: simplified structure of the present invention, reduced volume, reduces costs; Magnet manufacture the high high conformity of qualification rate, failure rate is low, bonding assembly technology is simple, volume is little; Shutter baffle back side plastics thermal insulation is good, and front metal heat radiation is reflective good, does not vary with temperature, and deformation does not occur, lightweight, and processing is simple, and the old shutter design that adds steel disc than spring will be optimized many.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described motor cover inner side is provided with two fan-shaped locating slots, in described two grooves, is separately installed with a magnet, and described magnet is used for limiting axle sleeve and rotates in motor cover.
Further, described motor comprises motor shaft and motor main body, and described axle sleeve is fixedly connected with motor shaft.
Further, described heat insulation layer and metal laminate are combined and make shutter baffle.
Further, described heat insulation layer is adopted made of plastic, and described metal level adopts thin silver film to make.
Accompanying drawing explanation
Fig. 1 is the decomposition chart of a kind of shutter described in the specific embodiment of the invention 1;
Fig. 2 is the use constitutional diagram of a kind of shutter described in the specific embodiment of the invention 1.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of shutter described in the specific embodiment of the invention 1, comprises motor 4, motor cover 1, axle sleeve 5 and shutter baffle 3; Described motor 4 one end are connected with outside, and the other end is connected with axle sleeve 5, and described motor 4 is located in motor cover 1 and is provided power for shutter baffle 3; Described motor cover 1 is set in motor 4 outsides, for controlling the angle of motor 4 and the surface of contact of camera; Described axle sleeve 5 one end are connected with motor 4, and the other end is connected with shutter baffle 3 and carries out spacing to shutter baffle 3; Described shutter baffle 3 is fixedly set on axle sleeve 5, and described shutter baffle 3 comprises heat insulation layer and metal level, and described heat insulation layer is towards the side being connected with motor 4, and described heat insulation layer is the isolated heat radiation of shutter baffle 3; Described metal level is used for dispelling the heat reflective.
Described motor overlaps 1 inner side and is provided with two fan-shaped locating slots, in described two grooves, is separately installed with a magnet 2, and described magnet 2 rotates in motor cover for limiting axle sleeve.
Described motor 4 comprises motor shaft and motor main body, and described axle sleeve is fixedly connected with motor shaft.
Described heat insulation layer and metal laminate are combined makes shutter baffle 3.
Described heat insulation layer is adopted made of plastic, and described metal level adopts thin silver film to make.
When concrete use, as shown in Figure 2, give motor 4 certain voltage, motor 4 torsion drive rotation axis, and the magnetic force that overcomes magnet 2 leaves position A, allow axle sleeve 5 and shutter baffle 3 in rotating shaft follow the spacing position B turning on motor cover 1.Now the magnetic force of another magnet 2 at motor 4 power-off rear axle housings 5 and B place, the limited position of shutter baffle 3 tightly holds, and realizes closure state.Give motor 4 electric current in the other direction, overcome the magnetic force of the magnet 2 at B place, spacing position, axle sleeve 5 and shutter baffle 3 are got back to the spacing position A on motor cover 1, thereby realize bifunction.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (1)
1. a shutter, comprises motor and shutter baffle, it is characterized in that, also comprises motor cover and axle sleeve;
Described motor one end is connected with outside, and the other end is connected with axle sleeve, and described motor is located in motor cover and is provided power for shutter baffle;
Described motor cover is set in outside motor, for controlling the angle of surface of contact of motor and camera;
Described axle sleeve one end is connected with motor, and the other end is connected with shutter baffle and carries out spacing to shutter baffle;
Described shutter baffle is fixedly set on axle sleeve, and described shutter baffle comprises heat insulation layer and metal level, and described heat insulation layer is towards the side being connected with motor, and described heat insulation layer is the isolated heat radiation of shutter baffle; Described metal level is used for dispelling the heat reflective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210595202.6A CN103792759A (en) | 2012-12-24 | 2012-12-24 | Shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210595202.6A CN103792759A (en) | 2012-12-24 | 2012-12-24 | Shutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103792759A true CN103792759A (en) | 2014-05-14 |
Family
ID=50668582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210595202.6A Pending CN103792759A (en) | 2012-12-24 | 2012-12-24 | Shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103792759A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569372A (en) * | 2016-11-14 | 2017-04-19 | 佛山市协亮光电制品有限公司 | Shutter switcher applied to infrared thermal imager technologies |
| CN108292080A (en) * | 2015-12-03 | 2018-07-17 | 日本电产科宝株式会社 | Blade drive module, the camera unit and photographic device for having blade drive module |
-
2012
- 2012-12-24 CN CN201210595202.6A patent/CN103792759A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108292080A (en) * | 2015-12-03 | 2018-07-17 | 日本电产科宝株式会社 | Blade drive module, the camera unit and photographic device for having blade drive module |
| CN108292080B (en) * | 2015-12-03 | 2021-03-26 | 日本电产科宝株式会社 | Blade drive module, imaging unit and imaging device provided with blade drive module |
| CN106569372A (en) * | 2016-11-14 | 2017-04-19 | 佛山市协亮光电制品有限公司 | Shutter switcher applied to infrared thermal imager technologies |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Guo Sanbao Document name: Notification of Passing Preliminary Examination of the Application for Invention |
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| C06 | Publication | ||
| PB01 | Publication | ||
| DD01 | Delivery of document by public notice |
Addressee: Guo Sanbao Document name: Notification of Publication of the Application for Invention |
|
| DD01 | Delivery of document by public notice |
Addressee: Guo Sanbao Document name: Notification of before Expiration of Request of Examination as to Substance |
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| DD01 | Delivery of document by public notice |
Addressee: Guo Sanbao Document name: Notification that Application Deemed to be Withdrawn |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140514 |