CN201689255U - Automatic optical filter switching device applied to video camera - Google Patents
Automatic optical filter switching device applied to video camera Download PDFInfo
- Publication number
- CN201689255U CN201689255U CN2010201591608U CN201020159160U CN201689255U CN 201689255 U CN201689255 U CN 201689255U CN 2010201591608 U CN2010201591608 U CN 2010201591608U CN 201020159160 U CN201020159160 U CN 201020159160U CN 201689255 U CN201689255 U CN 201689255U
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- Prior art keywords
- optical filter
- video camera
- switching device
- filter
- magnetic drive
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Abstract
The utility model relates to the field of video camera equipment, in particular to an automatic optical filter switching device applied to a video camera. The automatic switching device comprises a switching unit loaded on the camera lens of the video camera, a light ring coaxially arranged with the camera lens is arranged in the switching unit, the switching unit further comprises an optical filter rotating mechanism, a rotating control component, a control wire and an optical filter connected with the rotating mechanism; the rotating control component comprises an electromagnetic coil connected with the control wire, a positioning column, and a magnetic driving column made of magnetic material; the optical filter and the magnetic driving column are in rotational connection with the switching unit through the positioning column, and the optical filter is connected with the magnetic driving column. The structure of the rotating mechanism saves space, so that the entire device is smart; and when the rotating control component outputs control signals under a filtration state, a film filter arranged on the optical filter is rotated to the light ring for light filtration, thereby achieving the purpose of automatic switching.
Description
[technical field]
The utility model relates to the camera apparatus field, specifically refers to a kind of automatic switching device for optical filter that is applied on the video camera.
[background technology]
General thermal camera is used for constantly image taking or carries out surveillance video, usually the human eye visible wavelength is the visible light of 320nm-760nm, infrared part greater than 760nm is only invisible, it enters the inner meeting of video camera interference images, easily cause color distortion, but when the light that filters out this part wavelength just loses infrared night vision function own, therefore just kind of a switching device shifter must be arranged, make in infrared filtering, only allow the light of the following wavelength of 760nm to enter, to avoid the color distortion on daytime; When light is dark such as then allow night the light of the above wavelength of 760nm to enter, to reach the effect of utilizing infrared ray to take the photograph night.
Existing filter plate switching device structure is comparatively complicated, generally comprise filter supporter, optical filter magnetic coil groups, photoresistance, optical filter balladeur train and optical filter, utilize opening the light of photoresistance control optical filter magnetic coil groups, thereby make the balladeur train that is mounted with optical filter move switching, but the filter plate switching device of this structure needs bigger switching space, so whole shared space is just bigger, is difficult to realize miniaturization Design, can not be installed on field camera.
[utility model content]
The utility model purpose is to solve the deficiencies in the prior art, and provides a kind of simple in structure, with video camera all-in-one-piece automatic switching device for optical filter.
A kind of automatic switching device for optical filter that is applied to video camera, comprise the switch unit that is loaded on the camera lens, be provided with the aperture with the camera lens arranged coaxial in the described switch unit, switch unit also comprises optical filter rotating mechanism, rotation control unit, control line and the optical filter that is connected with rotating mechanism; Described rotation control unit comprises the magnetic drive post of the solenoid, reference column and the magnetic material that are connected with control line, and described optical filter and magnetic drive post are rotationally connected by reference column and switch unit, and optical filter is connected with the magnetic drive post.
Preferably, described optical filter is provided with the groove that is located by connecting, and the magnetic drive post is inserted in the groove that is located by connecting by cover and flexibly connects with optical filter.
Described optical filter is provided with filter coating, and described filter coating is the film of hot dip on optical filter.
Described filter coating is the light filter film of filtering wavelength greater than 640nm.
The described control line that is connected with solenoid is the FPC line.
The utility model is applied to the automatic switching device for optical filter of video camera, comprise the switch unit that is loaded on the camera lens, be provided with the aperture with the camera lens arranged coaxial in the described switch unit, switch unit also comprises optical filter rotating mechanism, rotation control unit, control line and the optical filter that is connected with rotating mechanism; Described rotation control unit comprises the magnetic drive post of the solenoid, reference column and the magnetic material that are connected with control line, and described optical filter and magnetic drive post are rotationally connected by reference column and switch unit, and optical filter is connected with the magnetic drive post.The structure of described rotating mechanism makes that than save space whole device is small and exquisite, and after the control signal of rotation control unit output filtering state, optical filter is provided with filter coating and will turns on the aperture and filter, to reach the purpose of automatic switchover.
[Figure of description]
Fig. 1 is the first status architecture synoptic diagram of the present utility model;
Fig. 2 is the second status architecture synoptic diagram of the present utility model;
Fig. 3 is the cross-sectional view of the utility model along the A-A line.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Be to be understood that concrete embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Join shown in Figure 1, structural representation when exposing for aperture in the utility model 20, it comprises the switch unit 10 that is loaded on the camera lens, be provided with aperture 20 in the described switch unit with the camera lens arranged coaxial, described switch unit 10 also comprises optical filter rotating mechanism 30, rotation control unit 32, control line 40 and the optical filter 31 that is connected with rotating mechanism 30, one end and the switch unit 10 of described optical filter 31 are rotationally connected, the other end is provided with filter coating 33, described optical filter 31 is provided with the groove 37 that is located by connecting in addition, the groove 37 interior covers that are located by connecting are inserted with magnetic drive post 36, make magnetic drive post 36 flexibly connect with optical filter 31 by the groove 37 that is located by connecting, and under the rotation of magnetic drive post 36 drove, optical filter 31 can be rotationally connected with switch unit 31.
Described optical filter 31 is heat-resisting transparent resin thin slice, and the filter coating 33 that described optical filter 31 is provided with is the film of hot dip on optical filter 31, thickness can reach 0.3mm, its filter range is the light of wavelength greater than 640nm, in order to save the space, described control line 40 is the FPC line, is loaded in the shell of switch unit 10.
Join shown in Figure 2ly, after the control signal of rotation control unit 32 output filtering states, optical filter 31 is provided with filter coating 33 and will turns on the aperture 20 and filter, to reach the purpose of automatic switchover.
As shown in Figure 3, described rotation control unit 32 comprises the magnetic drive post 36 of the solenoid 34, reference column 35 and the magnetic material that are connected with control line 40, described optical filter 31 and magnetic drive post 36 are rotationally connected by reference column 35 and switch unit 10, and optical filter 31 is connected with magnetic drive post 36.
When control signal was infrared light filtering state, signal was by control line 40 effects and solenoid 34, and solenoid 34 produces magnetic flux change, attracted or repel magnetic drive post 36 to be rotationally connected with reference column 35; Described optical filter 31 also can be according to reference column 35 axial rotation.
Described magnetic drive post 36 with the connected mode of optical filter 31 is: described optical filter 31 is provided with the groove 37 that is located by connecting, and magnetic drive post 36 is inserted in the groove 37 that is located by connecting by cover and flexibly connects with optical filter 31.Can increase suitability and dirigibility that magnetic drive post 36 drives optical filters 31 like this,, be convenient on magnetic drive post 36, install the driving handle additional, carry out manually-operated and switch because magnetic drive post 36 covers insert in the groove 37 and stretching out of being located by connecting.
The utility model structure is small and exquisite, can be applied in widely under the various environment in the field camera.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. automatic switching device for optical filter that is applied to video camera, comprise the switch unit that is loaded on the camera lens, be provided with the aperture with the camera lens arranged coaxial in the described switch unit, it is characterized in that: described switch unit also comprises optical filter rotating mechanism, rotation control unit, control line and the optical filter that is connected with rotating mechanism; Described rotation control unit comprises the magnetic drive post of the solenoid, reference column and the magnetic material that are connected with control line, and described optical filter and magnetic drive post are rotationally connected by reference column and switch unit, and optical filter is connected with the magnetic drive post.
2. according to the described automatic switching device for optical filter that is applied to video camera of claim 1, it is characterized in that: described optical filter is provided with the groove that is located by connecting, and the magnetic drive post is inserted in the groove that is located by connecting by cover and flexibly connects with optical filter.
3. according to the described automatic switching device for optical filter that is applied to video camera of claim 1, it is characterized in that: described optical filter is provided with filter coating, and described filter coating is the film of hot dip on optical filter.
4. according to the described automatic switching device for optical filter that is applied to video camera of claim 3, it is characterized in that: described filter coating is the light filter film of filtering wavelength greater than 640nm.
5. according to the described automatic switching device for optical filter that is applied to video camera of claim 1, it is characterized in that: the described control line that is connected with solenoid is the FPC line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201591608U CN201689255U (en) | 2010-04-08 | 2010-04-08 | Automatic optical filter switching device applied to video camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201591608U CN201689255U (en) | 2010-04-08 | 2010-04-08 | Automatic optical filter switching device applied to video camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689255U true CN201689255U (en) | 2010-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201591608U Expired - Fee Related CN201689255U (en) | 2010-04-08 | 2010-04-08 | Automatic optical filter switching device applied to video camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941527A (en) * | 2014-04-01 | 2014-07-23 | 嘉兴百盛光电有限公司 | Fine double-light-filter switcher |
-
2010
- 2010-04-08 CN CN2010201591608U patent/CN201689255U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941527A (en) * | 2014-04-01 | 2014-07-23 | 嘉兴百盛光电有限公司 | Fine double-light-filter switcher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Westren Technology (Xinyu) Co., Ltd. Assignor: Shenzhen Zhongxi Neon Digital Video Co., Ltd. Contract record no.: 2014360000204 Denomination of utility model: Automatic optical filter switching device applied to video camera Granted publication date: 20101229 License type: Exclusive License Record date: 20140716 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20150408 |
|
| EXPY | Termination of patent right or utility model |