CN201417356Y - Infrared ray light filter switching device - Google Patents
Infrared ray light filter switching device Download PDFInfo
- Publication number
- CN201417356Y CN201417356Y CN2009200099149U CN200920009914U CN201417356Y CN 201417356 Y CN201417356 Y CN 201417356Y CN 2009200099149 U CN2009200099149 U CN 2009200099149U CN 200920009914 U CN200920009914 U CN 200920009914U CN 201417356 Y CN201417356 Y CN 201417356Y
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- Prior art keywords
- groove
- switching device
- infrared filter
- base
- filter switching
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- Studio Devices (AREA)
- Blocking Light For Cameras (AREA)
Abstract
The utility model provides an infrared ray light filter switching device, which comprises an upper cover, a base, a coil, a swing drive part and a light filter sliding frame. The base corresponds to the upper cover, a light filter movable area and a groove are arranged inside the base, the light filter movable area is equipped with a positioning shaft, a shaft hole is arranged inside the groove, the coil and the swing drive part are contained in the groove, the swing drive part includes a magnetic seat arranged on the coil and a swing shaft with an tail end connected to the magnetic seat, an inserted pin is convexly disposed at the top end of the swing drive part, and a pivot arranged on the bottom surface of the magnetic seat is inserted in the shaft hole. Further, a light filter and an infrared ray light filter are arranged on the light filter sliding frame, and a positioning hole corresponding to the positioning shaft and a hole groove pivoted on the inserted pin are disposed at thebottom end of the light filter sliding frame, thereby generating magnetic force to drive the swing drive part and drive the light filter sliding frame to swing left and right like a pendulum.
Description
Technical field
The utility model is relevant a kind of switching device of optical fiber, be meant especially a kind of be installed in phtographic lens and image sensor between so that phtographic lens is taken chromatic image in the daytime, take the switching device of optical fiber of black-and-white image night.
Background technology
Video camera, video camera as monitoring application is generally the purpose that reaches supervision so often is installed in latent close position for instance, but the monitoring camera of very early time only can use under the enough situation of light, when therefore causing insufficient light, night for example, just can't effectively reach the function of monitoring video.Given this, a kind of infrared camera in response to and give birth to, this kind infrared camera is to add infrared light sources and optical filter in the camera lens front end, but when infrared light sources is used in the open air, because of the optical filter wave band close be only allow visible light 400 ~ 650 how rice penetrate and a certain wave band of infrared ray penetrates, so that the image effect that video camera detected will become is quite unintelligible.In addition, when infrared light sources projects body surface, can form a luminous point, therefore expose the position of video camera at the infrared ray body surface.So derive a kind of preceding infrared filter device 10 of camera lens that is installed in, as shown in Figure 1, it mainly is to include a rectangle filter supporter 12, has an open-work 13 on it; Two are divided into the magnetic coil groups 14,14 ' of filter supporter 12 medial extremitys; One rectangle optical filter balladeur train 16, it is installed an infrared filter 18 and and filters the optical filter 20 of light in the daytime, and two side ends respectively is provided with a magnet 22,22 ', with when the different optical filtering demand round the clock, switch on after magnetic coil groups 14,14 ' by selectivity, utilize magnetic force to promote optical filter balladeur train 16 and move,, clearly monitor image and the video camera (not shown) can be obtained by suitable optical filter 18,20 to manifest suitable optical filter 18,20 in open-work 13.But, under the topological design of this kind infrared filter device 10, the heat that is produced when magnetic coil groups 14,14 ' running, to cause magnetic coil groups 14,14 ' the employed lacquer line to discharge gas, and make the optical filter 18,20 be arranged on the magnetic coil groups 14,14 ' produce influences such as rotten.In addition, two magnetic coil groups 14,14 ' design make that also the required electric current of infrared filter device 10 is bigger, and cost is also higher.
In view of this, the utility model is satisfied the disappearance at above-mentioned known techniques, proposes a kind of brand-new infrared filter switching device shifter, effectively to overcome these above-mentioned problems.
Summary of the invention
Fundamental purpose of the present utility model is providing a kind of infrared filter switching device shifter, and it only needs a coil can reach optical filter to switch, and required electric current and reaching reduces cost in the time of can effectively reducing the infrared filter switching device shifter and drive.
Another purpose of the present utility model is providing a kind of infrared filter switching device shifter, when it can effectively avoid the lacquer line of coil to be heated the gas that discharges to harmful effect that optical filter caused.
In order to achieve the above object, the utility model proposes a kind of infrared filter switching device shifter, it includes a loam cake that is provided with an open-work; One base corresponding to loam cake be provided with an optical filter turnover zone and a groove in it, and the optical filter turnover zone is provided with a groove of wearing corresponding to open-work, and one be positioned at the locating shaft of wearing between groove and groove, is provided with an axis hole in the groove; One is located in the groove and is set around coil around the actuator pilot hole; One is located in the wobble drive part in the groove, it includes magnet base, a terminal axis of swing that is connected with magnet base that is arranged on the coil, its top convexes with the pivot that a latch and is located at the magnet base bottom surface, and it is to be inserted in axis hole, as the axle center of wobble drive part swing; An and T font optical filter balladeur train, it is provided with an optical filter and an infrared filter, the bottom is provided with a pilot hole corresponding to locating shaft, with a hole slot that is articulated in latch, with after the magnetosphere energising, produce magnetically-actuated wobble drive part, the pendulum swings about drive T font optical filter balladeur train became.
Now for making your juror further understanding and understanding more be arranged to architectural feature of the present utility model and the effect reached, sincerely help with preferred embodiment figure and cooperate detailed explanation, illustrate as afterwards:
Description of drawings
Fig. 1 is the schematic perspective view of known infrared filter switching device shifter.
Fig. 2 is the schematic perspective view for the part assembly decomposition of infrared filter switching device shifter of the present utility model.
Fig. 3 is the assembly decomposing schematic representation for infrared filter switching device shifter of the present utility model.
Fig. 4 is the vertical view for infrared filter switching device shifter of the present utility model.
Fig. 5 is the side view for infrared filter switching device shifter of the present utility model.
Fig. 6 (a) and Fig. 6 (b), its embodiment synoptic diagram that to be infrared filter switching device shifter of the present utility model switch between round the clock.
Among the figure:
10 infrared filter devices
12 filter supporter
13 open-works
14,14 ' magnetic coil groups
16 optical filter balladeur trains
18 infrared filters
20 optical filters
22 magnet
24 infrared filter switching device shifters
26 open-works
28 loam cakes
30 bases
32 optical filter turnover zones
34 grooves
36 stopper slots
38 locking brace tables
40 axis holes
42,42 ' coil location part
43,43 ' derby
44 wear groove
46 locating shafts
48 coils
50 wobble drive parts
52 magnet bases
Sheet metal on 53
54 axis of swing
55 times sheet metals
56 latches
57,57 ' magnet
58 pivots
60 limiting plates
61 axis holes
62T font optical filter balladeur train
63 pivots
64 optical filters
66 infrared filters
68 pilot holes
70 hole slots
72 spacing points
74 first screws
76 second screws
78 fixtures
Embodiment
See also Fig. 2~Fig. 5, it is respectively to be schematic perspective view, assembly decomposing schematic representation, vertical view and the side view of the part assembly decomposition of infrared filter switching device shifter of the present utility model.As shown in the figure, infrared filter switching device shifter 24 of the present utility model includes a loam cake 28 and the base 30 corresponding to loam cake 28 with open-work 26.Be provided with an optical filter turnover zone 32 and a groove 34 in the base 30.Be provided with coil location part 42 that a stopper slot 36, a pair of locking brace table that is convexly equipped with 38, an axis hole 40, two be divided into axis hole 40 both sides, 42 ' and a pair ofly be arranged on the base 30 and be communicated to derby 43,43 ' in the groove 34 in the groove 34.And optical filter turnover zone 32 more is provided with a locating shaft 46 of wearing a groove 44 and a contiguous stopper slot 36 corresponding to open-work 26.
One is located in the wobble drive part 50 in the groove 34, and it includes a magnet base 52 that is arranged on the coil 48; The axis of swing 54 that one bottom is connected with magnet base 52, its top are located in the stopper slot 36 and convex with a latch 56, and the bottom is provided with a pivot 58, to be inserted in axis hole 40.Wherein, magnet base 52 be by sheet metal 53 on, once sheet metal 55 and be held on 53,55 of upper and lower sheet metals and be divided into dual-side magnet 57,57 ' constitute.
One is covered on the groove 34 and is locked in the limiting plate 60 of brace table 38, and it is the space that moves up and down in order to limiting coil 48 and magnet base 52.In addition, more be formed with an axis hole 61 on the limiting plate 60, axis of swing 54 tops are provided with a pivot 63 corresponding to axis hole 61, and axis hole 61 is top and below axis of rotation of swinging as wobble drive part 50 with pivot 63, pivot 58 with axis hole 40.
One is arranged at the T font optical filter balladeur train 62 on the optical filter turnover zone 32, and it is provided with an optical filter 64 and an infrared filter 66, and the bottom is provided with the hole slot 70 that a pilot hole 68 and corresponding to locating shaft 46 is articulated in latch 56.Wherein optical filter 64 is in order to filtering light in the daytime, and infrared filter 66 to be surfaces be coated with 645 ± 10 optical filters of the response film of rice (nm) how.
In addition, the base 30 inner two opposite sides edge of optical filter turnover zone 32 more extend internally and convex to form a pair of spacing point 72, scope with restricted T font optical filter balladeur train 62 move left and right, optical filter 64 or infrared filter 66 are moved to when ending spacing point 72, just can be right against open-work 24 and wear groove 44.And this loam cake 28 is provided with second screw 76 that several first screws 74 and base are provided with several corresponding first screws 74, for several fixtures 78 loam cake 28 is locked on the base 30.
Please consult the 6th (a) and the 6th (b) figure more in the lump, its embodiment synoptic diagram that to be infrared filter switching device shifter of the present utility model switch between round the clock.As shown in the figure, magnetosphere 48 will produce magnetic force because of the moment energising, promoting magnet base 52 rotates, and attract the location with derby 43 or 43 ', and then drive axis of swing 54 moves, the latch 56 that engage with T font optical filter balladeur train 62 this moment, and then guiding T font optical filter balladeur train 62 left or move right, terminate in spacing point 72 to supporting, with by day the time in open-work 26 with wear groove 44 and manifest optical filter 64, the photography function filtering light in the daytime, and manifests infrared filter 66, so that can both obtain sharp image with night by day night.
In view of this, infrared filter switching device shifter of the present utility model only need use a coil, can reach the switching of optical filter and infrared filter, therefore can significantly reduce electric current required when driving infrared filter and optical filter switching, also can reduce cost.In addition, because of the position of infrared filter of the present utility model and optical filter is to be arranged with the coil branch, so the lacquer gas that line discharges of coil will can not impact optical filter.
The above is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.So be that all equalizations of doing according to described feature of the utility model application range and spirit change or modification, all should be included in the claim of the present utility model.
Claims (11)
1. infrared filter switching device shifter is characterized in that: include:
One loam cake, it is provided with an open-work;
One base, it is corresponding to this loam cake, is provided with an optical filter turnover zone and a groove in this base, and this optical filter turnover zone is provided with a groove of wearing corresponding to this open-work, and one be positioned at this and wear locating shaft between groove and this groove, is provided with one first axis hole in this groove;
One coil, it is to be located in this groove and to be set around around this first axis hole;
One wobble drive part, it is to be located in this groove, this wobble drive part includes:
One magnet base, it is to be arranged on this coil;
One axis of swing, its end is connected with this magnet base, and the top convexes with a latch; And
One first pivot, it is to be convexly set in this magnet base bottom surface, to be inserted in this first axis hole, as the axle center of this wobble drive part swing; And
One T font optical filter balladeur train, it is provided with an optical filter and an infrared filter, and the bottom is provided with one and is articulated in the hole slot of this latch corresponding to the pilot hole and of this locating shaft;
After this magnetosphere energising, produce this this wobble drive part of magnetically-actuated, drive this T font optical filter balladeur train and move to the left or to the right.
2. according to 1 described infrared filter switching device shifter of claim the, it is characterized in that: wherein more be covered with a limiting plate on this groove, to limit the space that this coil and this magnet base move up and down.
3. according to 1 described infrared filter switching device shifter of claim the, it is characterized in that: wherein the inner two opposite sides of the base of this optical filter turnover zone edge more extends internally and convexes to form relative limit point.
4. according to 1 described infrared filter switching device shifter of claim the, it is characterized in that: wherein this loam cake is provided with several first screws, and this base is provided with several to second screw that should first screw, for several fixtures this loam cake is locked on this base.
5. according to 3 described infrared filter switching device shifters of claim the, it is characterized in that: wherein convex with a pair of locking brace table in this groove, to support this limiting plate and the locking point is provided.
6. according to 1 described infrared filter switching device shifter of claim the, it is characterized in that: wherein this infrared filter is that a surface is coated with 645 ± 10 optical filters of the response film of rice (nm) how.
7. according to 1 described infrared filter switching device shifter of claim the, it is characterized in that: wherein this groove more is provided with a stopper slot, to limit the scope that this axis of swing swings.
8. according to 1 described infrared filter switching device shifter of claim the, it is characterized in that: wherein this groove more is provided with a pair of coil location part, to limit the position of this coil.
9. according to 1 described infrared filter switching device shifter of claim the, it is characterized in that: wherein be provided with two in this groove in order to attract the derby of location with this magnet base.
10. according to 3 described infrared filter switching device shifters of claim the, it is characterized in that: wherein more be formed with second axis hole on this limiting plate, and this axis of swing top is provided with one second pivot corresponding to this second axis hole.
11. according to 1 described infrared filter switching device shifter of claim the, it is characterized in that: wherein this magnet base is by sheet metal on, once sheet metal and two are held between this upper and lower sheet metal and the magnet that is divided into side is constituted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009200099149U CN201417356Y (en) | 2009-02-18 | 2009-02-18 | Infrared ray light filter switching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009200099149U CN201417356Y (en) | 2009-02-18 | 2009-02-18 | Infrared ray light filter switching device |
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CN201417356Y true CN201417356Y (en) | 2010-03-03 |
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CN2009200099149U Expired - Fee Related CN201417356Y (en) | 2009-02-18 | 2009-02-18 | Infrared ray light filter switching device |
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Cited By (10)
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 |
CN103064166A (en) * | 2013-01-31 | 2013-04-24 | 史家奇 | Novel clamping piece for filter lens bracket |
CN104765228A (en) * | 2015-03-03 | 2015-07-08 | 信华精机有限公司 | Optical filter switching device |
CN104880889A (en) * | 2015-04-28 | 2015-09-02 | 努比亚技术有限公司 | Camera device and mobile terminal |
CN105068358A (en) * | 2014-08-08 | 2015-11-18 | 惠州市大亚湾永昶电子工业有限公司 | Lens drive device |
CN106444001A (en) * | 2016-11-29 | 2017-02-22 | 中国科学院紫金山天文台 | Magnetic positioning replacement device for light filter |
CN108873570A (en) * | 2018-06-25 | 2018-11-23 | 湖北华中光电科技有限公司 | A kind of visible light or near infrared light switching mechanism based on electromagnetic drive |
CN110082886A (en) * | 2018-01-26 | 2019-08-02 | 大阳科技股份有限公司 | Lens set driving device, camera module and electronic device |
CN113093456A (en) * | 2019-12-23 | 2021-07-09 | 浙江宇视科技有限公司 | Dual-optical-filter switching device and method |
CN113376783A (en) * | 2020-12-10 | 2021-09-10 | 乐清高森电子有限公司 | Optical filter swing switching device based on dynamic scene and video acquisition device |
-
2009
- 2009-02-18 CN CN2009200099149U patent/CN201417356Y/en not_active Expired - Fee Related
Cited By (11)
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 |
CN103064166A (en) * | 2013-01-31 | 2013-04-24 | 史家奇 | Novel clamping piece for filter lens bracket |
CN105068358A (en) * | 2014-08-08 | 2015-11-18 | 惠州市大亚湾永昶电子工业有限公司 | Lens drive device |
CN105068358B (en) * | 2014-08-08 | 2018-05-18 | 惠州市大亚湾永昶电子工业有限公司 | Lens driver |
CN104765228A (en) * | 2015-03-03 | 2015-07-08 | 信华精机有限公司 | Optical filter switching device |
CN104880889A (en) * | 2015-04-28 | 2015-09-02 | 努比亚技术有限公司 | Camera device and mobile terminal |
CN106444001A (en) * | 2016-11-29 | 2017-02-22 | 中国科学院紫金山天文台 | Magnetic positioning replacement device for light filter |
CN110082886A (en) * | 2018-01-26 | 2019-08-02 | 大阳科技股份有限公司 | Lens set driving device, camera module and electronic device |
CN108873570A (en) * | 2018-06-25 | 2018-11-23 | 湖北华中光电科技有限公司 | A kind of visible light or near infrared light switching mechanism based on electromagnetic drive |
CN113093456A (en) * | 2019-12-23 | 2021-07-09 | 浙江宇视科技有限公司 | Dual-optical-filter switching device and method |
CN113376783A (en) * | 2020-12-10 | 2021-09-10 | 乐清高森电子有限公司 | Optical filter swing switching device based on dynamic scene and video acquisition device |
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Legal Events
Date | Code | Title | Description |
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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: 20100303 Termination date: 20140218 |