CN201364452Y - Automatic infrared filter changing-over device for digital camera - Google Patents
Automatic infrared filter changing-over device for digital camera Download PDFInfo
- Publication number
- CN201364452Y CN201364452Y CNU2009200511270U CN200920051127U CN201364452Y CN 201364452 Y CN201364452 Y CN 201364452Y CN U2009200511270 U CNU2009200511270 U CN U2009200511270U CN 200920051127 U CN200920051127 U CN 200920051127U CN 201364452 Y CN201364452 Y CN 201364452Y
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- infrared
- little aperture
- infrared filter
- aperture
- device shifter
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Abstract
The utility model relates to the field of digital photography and camera product devices, in particular to an automatic infrared filter changing-over device for digital camera. The device comprises a changing-over device body connected with a camera lens; an aperture coaxially configured with the camera lens is arranged in the changing-over device body; an infrared filter rotating device arranged on the changing-over device body comprises an infrared filter blade and an infrared rotation control part; one end of the infrared filter blade is connected with the changing-over device body, and an infrared filter film is arranged at the other end; the infrared rotation control part is connected with a control signal input terminal through a control wire; and when the control signal is in filtering state of the infrared light, the infrared filter film on the infrared filter blade rotates onto the aperture. The infrared filter changing-over device has the advantages of small volume, simple structure and low cost and can be used for digital cameras.
Description
Technical field
The utility model relates to digital photography, shooting product device field, is specifically related to a kind of automatic switching apparatus for infrared filter that can be used for digital code camera.
Background technology
When generally being used to monitor, infrared camera of the prior art carries out surveillance video, in general, what the normal person watched is the visible light of 320nm～760nm, the infrared part that exceeds 760nm be can't see, it enters the inner meeting of video camera interference images, cause color distortion, but just lost infrared night vision function own after filtering out.Therefore just a kind of switching device shifter must be arranged, make in infrared filtering, only allow the light of the following wavelength of 760nm to enter, avoid the color distortion on daytime; Then allow evening the above wavelength infrared ray of 760nm to enter, utilize infrared ray can reach the effect of taking the photograph night.
The general structure more complicated of existing infrared filter conversion equipment, as Chinese patent application number is 200320127940.4, a kind of " the infrared filter automatic starting device of video camera " disclosed, it is used for taking in the daytime chromatic image, take the structure that black and white is made a video recording and start optical filtering automatically night, include filter supporter, optical filter magnetic coil groups, photoresistance, the optical filter balladeur train, infrared filter and optical filter, utilize the switch of photoresistance control optical filter magnetic coil groups, and the balladeur train that is equiped with infrared filter and optical filter can be moved up and down, use the light line traffic control, can control moving of infrared filter and optical filter automatically, reach the equal effect that can make a video recording of different luminosity systems.This technical scheme be by infrared filter and optical filter under the effect of magnetic coil, rely on balladeur train to slide up and down and carry out the camera lens conversion, therefore shared space is bigger, is difficult to realize miniaturization Design, can not be installed on portable digital video camera or Digital Video.
The utility model content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, and it is little to design a kind of volume, simple in structure, and cost is low, can be used for the automatic switching apparatus for infrared filter of digital code camera.
In order to realize above-mentioned technical matters, the utility model comprises following technical scheme: a kind of automatic switching apparatus for infrared filter that can be used for digital code camera, comprise the switching device shifter body that is connected with camera lens, be provided with aperture in the switching device shifter body with the camera lens arranged coaxial
Described switching device shifter body is provided with the infrared filter wheelwork, and it comprises infrared filtering blade, infrared rotation control unit;
Described infrared filtering blade one end and switching device shifter body are rotationally connected, and the other end is provided with the infrared filtering film;
Described infrared rotation control unit is connected with signal input end by control line, and when control signal was infrared light filtering state, the infrared filtering film on the infrared filtering blade turned on the aperture.
Further, the described infrared rotation control unit first magnetic drive post that comprises first solenoid that is connected with control line, first reference column, constitute by magnetic material.
The described infrared fileter blade and the first magnetic drive post all are rotationally connected by first reference column and switching device shifter body; The first magnetic drive post is connected with the infrared filtering blade.
Further, in order to increase the harmony of rotating switching controls, and increase the manual function of switching, and described infrared filtering blade is provided with first groove that is located by connecting, and the first magnetic drive post inserts in first by cover and is located by connecting and flexibly connects with the infrared filtering blade in the groove.
Further, the infrared filtering blade is heat-resisting transparent resin thin slice, and the infrared filtering film is the film of hot dip on the infrared filtering blade.
Further, described infrared filtering film is the light filter film of filtering wavelength greater than 760nm light.
Further, the control line of described first solenoid connection is the FPC line.
Further, in order to increase the infrared ray display effect, the switching device shifter body is provided with the infrared radiation lamp.
In addition, in order to increase the switching scope of automatic switching apparatus for infrared filter, make it both can also can carry out infrared filtering under little aperture under large aperture, the utility model has increased the switching device shifter of aperture size.
Aperture in the described switching device shifter body is a large aperture;
Also be provided with little aperture wheelwork on the switching device shifter body, it comprises little aperture blades and little aperture rotation control unit;
Little aperture blades and switching device shifter body are rotationally connected, and the plane of rotation of little aperture blades and infrared filtering blade rotation plane are two parallel planes, are provided with the separation layer that is made of the exhausted magnetic material of insulation between infrared filtering blade and the little aperture blades rotational plane; The little aperture blades other end is provided with little aperture;
Described little aperture rotation control unit is connected with signal input end by control line, and when control signal was little aperture state, the little aperture on the little aperture blades turned on the coaxial cable of aperture.
Further, the described little aperture rotation control unit second magnetic drive post that comprises second solenoid that is connected with control line, second reference column, constitute by magnetic material;
The described little aperture blades and the second magnetic drive post all are rotationally connected by second reference column and switching device shifter body; The described second magnetic drive post is connected with little aperture blades.
Further, described little aperture blades is provided with second groove that is located by connecting, and the second magnetic drive post inserts in second be located by connecting groove and the little aperture blades by cover and flexibly connects
Compared with prior art, the utlity model has following beneficial effect: at first, the switching construction that the infrared filter wheelwork rotates is than relying on the structure that balladeur train switches up and down to save the space more in the prior art, this makes that whole device can be more small and exquisite and simple, is suitable for more and is similar to small and exquisite digital products such as digital camera, digital image machine; In addition, rotate the setting of switching device shifter, also more can easily increase other handoff functionality setting, on the basis of switching at the infrared filtering film, increase the switching of aperture size, the aperture that is provided with in switching body is a large aperture, rotates switching device shifter as long as increase a little aperture more so, just can realize increasing under the large and small aperture function of infrared filtering; Last, the switching mode of this rotation switching device shifter is directly to rotate to switch, and does not need will rotate the switch transition modes such as switching that are in line again, and simple in structure, cost is lower.
Description of drawings
Structural representation when Fig. 1 does not block aperture for infrared filter wheelwork of the present utility model;
Structural representation when Fig. 2 blocks aperture for infrared filter wheelwork of the present utility model;
Fig. 3 is the structural representation of infrared rotation control unit under the utility model A-A ' Section line;
Fig. 4 is that the utility model is provided with the structural representation by infrared filter wheelwork and little aperture wheelwork simultaneously;
Fig. 5 is the structural representation of little aperture rotation control unit under the utility model B-B ' Section line;
Structural representation when Fig. 6 blocks aperture simultaneously for infrared filter wheelwork and little aperture wheelwork.
Embodiment
Structural representation when Fig. 1 does not block aperture 2 for the utility model infrared filter wheelwork 3, a kind of automatic switching apparatus for infrared filter that can be used for digital code camera, comprise the switching device shifter body 1 that is connected with camera lens, be provided with aperture 2 in the switching device shifter body with the camera lens arranged coaxial, switching device shifter body 1 is provided with infrared filter wheelwork 3, and it comprises infrared filtering blade 301; Infrared filtering blade 301 1 ends and switching device shifter body 1 are rotationally connected, and the other end is provided with infrared filtering film 303; Infrared filtering blade 301 is provided with first groove 307 that is located by connecting, first is located by connecting, and cover is inserted with the first magnetic drive post 306 in the groove 307, the magnetic drive post 306 of winning is flexibly connected with infrared filtering blade 301 by first the be located by connecting groove 307, and under the rotating drive of the first magnetic drive post 306, infrared filtering blade 301 can be rotationally connected with the switching device shifter body.
Described infrared filtering blade 301 is heat-resisting transparent resin thin slice, and infrared filtering film 303 is the film of hot dip on infrared filtering blade 301, and described infrared filtering film 303 filter ranges are the light of wavelength greater than 760nm; Control line 5 is the FPC line.
Structural representation when Fig. 2 blocks aperture for infrared filter wheelwork of the present utility model, when control signal was infrared light filtering state, the infrared filtering film 303 on the infrared filtering blade 301 turned on the aperture 2.
The rotary principle of the first magnetic drive post 306 can be with reference to figure 3, the structural representation of infrared rotation control unit 302 under the utility model A-A ' Section line; Infrared filter wheelwork 3 is except infrared filtering blade 301, also comprise infrared rotation control unit 302, described infrared rotation control unit 302 comprises first solenoid 304 that is connected with control line 5, first reference column 305, by the first magnetic drive post 306 that magnetic material constitutes, the described infrared fileter blade 301 and the first magnetic drive post 306 all are rotationally connected with switching device shifter body 1 by first reference column 305.
When control signal is infrared light filtering state, signal acts on first solenoid 304 by control line 5, first solenoid 304 produces flux change, attract or repel the first magnetic drive post 306 and first reference column 305 is rotationally connected, described infrared fileter blade 301 also can be according to first reference column, 305 axial rotation, therefore when the first magnetic drive post 306 was connected with infrared fileter blade 301, the first magnetic drive post 306 had also just driven infrared filtering blade 301 and has connected according to first reference column, 305 axial rotation.
The first magnetic drive post 306 with the connected mode of infrared fileter blade 301 is: infrared filtering blade 301 is provided with first groove 307, the first magnetic drive posts 306 that are located by connecting and inserts in first groove 307 that is located by connecting by cover and be rotationally connected with infrared filtering blade 301.Such benefit is, the suitability and the dirigibility of the first magnetic drive post, 306 driving infrared filtering blades 301 have been increased, in addition, because the first magnetic drive post 306 cover inserts in first the be located by connecting groove 307 and stretching out, help on the first magnetic drive post 306, installing the hand-drive handle additional, carry out the people and operate by hand.
Fig. 4, Fig. 5 are that the utility model is provided with the structural representation by infrared filter wheelwork and little aperture wheelwork simultaneously; In order to increase the switching scope of automatic switching apparatus for infrared filter, make it both can under large aperture, also can under little aperture, carry out infrared filtering, the utility model can also increase the switching device shifter of aperture size.
In the present embodiment, the aperture established in the switching device shifter body 12 is large aperture, and large aperture is F5.5, and little aperture wheelwork 4 it comprise little aperture blades 401 and little aperture rotation control unit 402; Wherein, little aperture blades 401 is rotationally connected with switching device shifter body 1, the plane of rotation of little aperture blades 401 and infrared filtering blade 301 rotational planes are two parallel planes, be provided with the separation layer that constitutes by the exhausted magnetic material of insulation between two rotational planes, because using the exhausted magnetic material of insulation between two transfer strips isolates, can phase mutual interference because slide plate itself produces magnetic, increased the accuracy rate of Electromagnetic Control; Little aperture blades 401 other ends are provided with little aperture 403, and little aperture is F2.55; Described little aperture rotation control unit 402 is connected with signal input end by control line 5, and when control signal was little aperture state, the little aperture 403 on the little aperture blades 401 turned on the coaxial cable of aperture 2.
Described little aperture wheelwork 4 is identical with principle of work, specific as follows with above-mentioned infrared filter wheelwork 3 structures:
The second magnetic drive post 406 that described little aperture rotation control unit 402 comprises second solenoid 404 that is connected with control line 5, second reference column 405, is made of magnetic material;
The described little aperture blades 401 and the second magnetic drive post 406 all are rotationally connected with switching device shifter body 1 by second reference column 405; The described second magnetic drive post 406 is connected with little aperture blades 401.
Described little aperture blades 401 is provided with second groove 407, the second magnetic drive posts 306 that are located by connecting and inserts in second the be located by connecting groove 407 by cover and flexibly connect with little aperture blades 401.
Structural representation when Fig. 6 blocks aperture simultaneously for infrared filter wheelwork and little aperture wheelwork.Owing to be provided with little aperture wheelwork, realized the infrared filtering effect under large aperture or two kinds of different apertures of little aperture, certainly, because structure of the present utility model is ingenious, except the infrared fileter wheelwork, above-mentioned little aperture wheelwork can also replace with the wheelwork of other filter effect, such as the wheelwork of wavelength of light in the filtering particular range, its difference is exactly the filter coating that is the little aperture on the blade is replaced with other filter effect.
Switching device shifter structure of the present utility model is small and exquisite easy-to-use, can be to be used in portable Digital Video and digital code camera, and be not limited only to traditional monitoring field.
Claims (10)
1, a kind of automatic switching apparatus for infrared filter that can be used for digital code camera comprises the switching device shifter body (1) that is connected with camera lens, is provided with the aperture (2) with the camera lens arranged coaxial in the switching device shifter body, it is characterized in that:
Described switching device shifter body (1) is provided with infrared filter wheelwork (3), and it comprises infrared filtering blade (301), infrared rotation control unit (302);
Described infrared filtering blade (301) one ends and switching device shifter body (1) are rotationally connected, and the other end is provided with infrared filtering film (303);
Described infrared rotation control unit (302) is connected with signal input end by control line (5), and when control signal was infrared light filtering state, the infrared filtering film (303) on the infrared filtering blade (301) turned on the aperture (2).
2, the automatic switching apparatus for infrared filter that can be used for digital code camera according to claim 1 is characterized in that:
The first magnetic drive post (306) that described infrared rotation control unit (302) comprises first solenoid (304) that is connected with control line (5), first reference column (305), is made of magnetic material;
The described infrared fileter blade (301) and the first magnetic drive post (306) all pass through first reference column (305) and are rotationally connected with switching device shifter body (1); The first magnetic drive post (306) is connected with infrared filtering blade (301).
3, the automatic switching apparatus for infrared filter that can be used for digital code camera according to claim 2, it is characterized in that: described infrared filtering blade (301) is provided with first groove (307) that is located by connecting, and the first magnetic drive post (306) inserts in first by cover and is located by connecting and flexibly connects with infrared filtering blade (301) in the groove (307).
4, the automatic switching apparatus for infrared filter that can be used for digital code camera according to claim 3, it is characterized in that: infrared filtering blade (301) is heat-resisting transparent resin thin slice, and infrared filtering film (303) is the film of hot dip on infrared filtering blade (301).
5, the automatic switching apparatus for infrared filter that can be used for digital code camera according to claim 4 is characterized in that: described infrared filtering film (303) is the light filter film of filtering wavelength greater than 760nm light.
6, the automatic switching apparatus for infrared filter that can be used for digital code camera according to claim 5 is characterized in that: the control line (5) that described first solenoid (304) connects is the FPC line.
7, according to each described automatic switching apparatus for infrared filter that can be used for digital code camera of claim 1～6, it is characterized in that: switching device shifter body (1) is provided with the infrared radiation lamp.
8, according to each described automatic switching apparatus for infrared filter that can be used for digital code camera of claim 1～6, it is characterized in that:
The aperture (2) that is provided with in the switching device shifter body (1) is a large aperture;
Also be provided with little aperture wheelwork (4) on the switching device shifter body (1), it comprises little aperture blades (401) and little aperture rotation control unit (402);
Little aperture blades (401) is rotationally connected with switching device shifter body (1), the plane of rotation of little aperture blades (401) and infrared filtering blade (301) rotational plane are two parallel planes, are provided with the separation layer that is made of the exhausted magnetic material of insulation between infrared filtering blade (301) and little aperture blades (401) rotational plane; Little aperture blades (401) other end is provided with little aperture (403);
Described little aperture rotation control unit (402) is connected with signal input end by control line (5), and when control signal was little aperture state, the little aperture (403) on the little aperture blades (401) turned on the coaxial cable of aperture (2).
9, the automatic switching apparatus for infrared filter that can be used for digital code camera according to claim 8 is characterized in that: the second magnetic drive post (406) that described little aperture rotation control unit (402) comprises second solenoid (404) that is connected with control line (5), second reference column (405), is made of magnetic material;
The described little aperture blades (401) and the second magnetic drive post (406) all pass through second reference column (405) and are rotationally connected with switching device shifter body (1); The described second magnetic drive post (406) is connected with little aperture blades (401).
10, the automatic switching apparatus for infrared filter that can be used for digital code camera according to claim 9, it is characterized in that: described little aperture blades (401) is provided with second groove (407) that is located by connecting, and the second magnetic drive post (306) inserts in second groove (407) that is located by connecting by cover and flexibly connects with little aperture blades (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200511270U CN201364452Y (en) | 2009-02-09 | 2009-02-09 | Automatic infrared filter changing-over device for digital camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200511270U CN201364452Y (en) | 2009-02-09 | 2009-02-09 | Automatic infrared filter changing-over device for digital camera |
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| Publication Number | Publication Date |
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| CN201364452Y true CN201364452Y (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200511270U Expired - Fee Related CN201364452Y (en) | 2009-02-09 | 2009-02-09 | Automatic infrared filter changing-over device for digital camera |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963740A (en) * | 2010-08-24 | 2011-02-02 | 云南金隆伟业电子有限公司 | Ray filter switching control device |
| CN102111558A (en) * | 2011-02-15 | 2011-06-29 | 杭州海康威视数字技术股份有限公司 | Method and device for automatically switching over optical filter of video camera |
| CN102269855A (en) * | 2011-01-17 | 2011-12-07 | 深圳市保千里电子有限公司 | Infrared induction switch zooming lens and imaging and monitoring method thereof |
| CN105678215A (en) * | 2015-12-28 | 2016-06-15 | 北京天诚盛业科技有限公司 | Imaging module, imaging device and mobile terminal |
| CN110519569A (en) * | 2019-09-05 | 2019-11-29 | 郑州维纳实验设备有限公司 | A kind of gradual change adjustment type automatically cleaning infrared surveillance equipment |
-
2009
- 2009-02-09 CN CNU2009200511270U patent/CN201364452Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963740A (en) * | 2010-08-24 | 2011-02-02 | 云南金隆伟业电子有限公司 | Ray filter switching control device |
| CN102269855A (en) * | 2011-01-17 | 2011-12-07 | 深圳市保千里电子有限公司 | Infrared induction switch zooming lens and imaging and monitoring method thereof |
| CN102111558A (en) * | 2011-02-15 | 2011-06-29 | 杭州海康威视数字技术股份有限公司 | Method and device for automatically switching over optical filter of video camera |
| CN102111558B (en) * | 2011-02-15 | 2013-07-17 | 杭州海康威视数字技术股份有限公司 | Method and device for automatically switching over optical filter of video camera |
| CN105678215A (en) * | 2015-12-28 | 2016-06-15 | 北京天诚盛业科技有限公司 | Imaging module, imaging device and mobile terminal |
| CN110519569A (en) * | 2019-09-05 | 2019-11-29 | 郑州维纳实验设备有限公司 | A kind of gradual change adjustment type automatically cleaning infrared surveillance equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20180209 |