CN201449507U - Optical filter switching device - Google Patents
Optical filter switching device Download PDFInfo
- Publication number
- CN201449507U CN201449507U CN200920057441XU CN200920057441U CN201449507U CN 201449507 U CN201449507 U CN 201449507U CN 200920057441X U CN200920057441X U CN 200920057441XU CN 200920057441 U CN200920057441 U CN 200920057441U CN 201449507 U CN201449507 U CN 201449507U
- Authority
- CN
- China
- Prior art keywords
- switching device
- filter sheet
- sheet structure
- optical fiber
- optical filter
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Mechanical Light Control Or Optical Switches (AREA)
Abstract
The utility model discloses an optical filter switching device, the structure of which comprises an outer frame, an optical filter structure and a driving force device, wherein the outer frame is provided with a shooting light path window; the optical filter structure is arranged in the outer frame, slides relative to the outer frame and isolates different light rays; the driving force device is fixed on the outer frame to push the optical filter structure to slide and move; the optical filter structure and at least one translation slide rail fixed on the outer frame generate relative horizontal displacement; the driving force device comprises a circular electromagnetic coil fixed on the outer frame and a permanent magnetic material slide shaft passing through the inner wall of the electromagnetic coil; and one end of the slide shaft is mechanically connected with one side of the optical filter structure. In the optical system of an image acquiring and recording device, the optical filter switching device of the utility model is not liable to have failure, and has higher stability, is more flexible when in the sliding of the optical filter structure, and has more convenient use and longer service life.
Description
Technical field
The utility model relates to that image obtains, the pen recorder switching device of optical fiber, and this switching device of optical fiber is used for controlling the optical filter with different filtering functions and inserts or withdraw from that image obtains, the shooting light path of pen recorder.
Background technology
Most of image obtains, pen recorder, and is first-class as camera, video camera, monitoring camera, all uses switching device of optical fiber, all needs to satisfy the requirement of round-the-clock twenty four hours running.At present, image on the market obtains, the bulk of the shooting light path of pen recorder has been standardized or standardization, only can design one group of switching device of optical fiber voluntarily for manufacturer and be installed in this space for switching device of optical fiber provides a narrow space.Now disclosed switching device of optical fiber, its structure is divided into three kinds usually.The first utilizes electro-motor to be responsible for driving, finishes transmission with members such as gears.The shortcoming of this Mechanical Driven conversion regime is that volume is bigger than normal, and the speed of optical filter when moving is slower, and the image that optical lens is picked up produces fuzzy or shadow in the optical filter moving process.Simultaneously, in actual the use,, cause the switching device of optical fiber fault easily and block because the gear material of mobile spectral filter switching device shifter and machining precision when not high, are easy to generate big resistance, cause can't normal photographing problem.
It two is to twine optical filter box with coil, and the magnetic force that cooperates magnet to produce reaches the purpose of switching optical filter.The shortcoming of this Electromagnetic Drive conversion regime is comparatively power consumption, also break down easily at low temperatures, no matter and this kind mode optical filter whether be in switch or the standby process in, all want the sustainable supply electric energy, cause power consumption higher.And when low temperature or humidity were higher, the resistance between member increased, and the acting force that coil and magnet can produce will be difficult to optical filter is moved.Particularly, after repeatedly moving back and forth, the plain conductor that constitutes coil is fractureed easily, causes switch failure.
Its three, notification number is CN201194059, the day for announcing is on 02 11st, 2009, discloses a kind of denomination of invention and has been the patent of digitized video device for shooting with switching device of optical fiber, it comprises sliding unit and driver element.Sliding unit is made of framework and the fitting piece that is fixed on this framework outer wall.Driver element comprises a connecting rod.Vertical first end of this connecting rod connects with the fitting piece of framework, and its second end is fixed with permanent magnet.Permanent magnet inserts to have in the ferromagnetic outer tube, and keeps the state that vertically can slide along connecting rod.It comprises that above-mentioned all technology all still exist filter sheet structure big with respect to the framework surface of contact, and sliding resistance is bigger than normal, to processing precision of products Gao Qiugao, higher to the electric energy voltage request, increased load, in actual use, all exist and use inconvenience, unsettled defective.
The utility model content
It is little with respect to the housing contact level that the purpose of this utility model provides a kind of filter sheet structure, and sliding resistance is little, the switching device of optical fiber that the stability that lower electric energy can drive is higher.
To achieve these goals, the utility model provides a kind of switching device of optical fiber, comprise the filter sheet structure that has the housing of taking the light path window and be clipped in the isolation different light rays that relative housing slides in the housing, be fixed in the driving force device that housing promotes the filter sheet structure slippage, it is characterized in that, the translation slide rail that its filter sheet structure and at least one are fixed in housing produces the opposite planar displacement, the driving force device comprises ring-type solenoid that is fixed in housing and the permanent magnetic material sliding axle that passes the solenoid inwall, and sliding axle one terminal tool is connected in a side of filter sheet structure.
As the further improvement of such scheme, filter sheet structure is two and closes up assembly structure that at least one tablet filter is blocked in the centre.
The another step as such scheme improves, and filter sheet structure and the translation slide rail place of contact form the slip hole of cavernous structure, and the translation slide rail passes the slip hole of this cavernous structure.
Step again as such scheme improves, the junction of a side of sliding axle one end and filter sheet structure, and the sliding axle mechanical fasteners connects an axle sleeve, and the local constriction shape that forms of this axle sleeve other end embeds in the side hole of filter sheet structure axle sleeve.
More excellent, the driving force device also comprises, lays respectively at the two ends of ring-type solenoid, is fixed in the location structure of magnetic material of the qualification sliding axle slip locations of housing.
More excellent, the translation slide rail is two roads, particularly, described translation slide rail is ganoid wire-like material.
Improve as it, described housing edge forms all or be local is the circular arc in the center of circle to take light path window center point.
Because the filter sheet structure that the utility model provides is that guide rail hole contacts with translation guide rail point-like with respect to outer framework, surface of contact is little, sliding resistance is very little, and lower voltage can drive, filter sheet structure spacing, the location more stable, obtain at image, in the optical system of pen recorder, switching device of optical fiber of the present utility model is easy break-down not, and stability is higher, and the filter sheet structure slippage is more flexible, use more conveniently, the life-span is longer.Simultaneously, in assembling, finger and instrument can be avoided contacting the optical filter surface, and bonding without glue, more guarantee the optical filter surface cleaning.
Below in conjunction with accompanying drawing, describe the utility model in detail by preferred embodiment.
Description of drawings
Fig. 1 moves to the structural representation of a side for the filter sheet structure in the switching device of optical fiber of the present utility model.
Fig. 2 moves to the structural representation of opposite side for the filter sheet structure in the switching device of optical fiber of the present utility model.
Embodiment
With reference now to accompanying drawing, the utility model is described.
As shown in Figure 1, the utility model comprises that having the housing 1 of taking the light path window (can be two or the more complicated structure that can snap together, another sheet is not shown, it is also not shown to take the light path window,) and be clipped in the housing isolation different light rays that housing relatively slides filter sheet structure 2, be fixed in the driving force device that housing 1 promotes filter sheet structure 2 slippages, the optical filter 11 and 12. of isolating different light rays is housed on the filter sheet structure 2.Filter sheet structure 2 is enclosed within on the translation slide rail 7 by the slip hole 8 of the cavernous structure that its marginal portion forms, and then filter sheet structure can endwisely slip along translation slide rail 7.As preferably, translation slide rail 7 is the metal wire rod of smooth in appearance, like this and the friction between the slip hole 8 of cavernous structure just very little, move just more flexible.Better, according to 3 principles of determining a plane, it is good that the tie point between filter sheet structure 2 and the translation slide rail 7 is 3, and translation slide rail 7 is parallel twice.
The driving force device that promotes filter sheet structure 2 slippages comprises that ring-type solenoid 4 reaches from its middle passing and transportable permanent magnetic material sliding axle 5.One terminal tool of sliding axle 5 connects a side of filter sheet structure 2, when ring-type solenoid 4 forwards are switched on, permanent magnetic material sliding axle 5 produces the relative slide displacement that stretches into the ring-type solenoid, when solenoid is oppositely switched on, permanent magnetic material sliding axle 5 produces the relative slide displacement that stretches out with the ring-type solenoid, thus, sliding axle drives filter sheet structure 2 left and right sides slippages, realizes isolating the switching of optical filter 11 and 12 in taking light path of different light rays.
Lens mount fixed orifice 6 is arranged on the housing 1, and the housing edge forms all or be local is the circular arc 13 in the center of circle to take light path window center point, is used for fixing between lens mount and the utility model, the convenient installation.
One end of sliding axle 5 connects a side of filter sheet structure 2, and its mechanical connection can be that a part is the constriction shape in the middle of the sliding axle, just imbeds in the hole of a side of filter sheet structure 2.
Actual in reducing or avoid the permanent magnetic material sliding axle in use to be exposed to outer oxidation and the mechanical wear when mobile of causing, coat the axle sleeve 10 of copper at sliding axle 5 one sides and outside surface.The middle part of axle sleeve 10 1 sides is the constriction shape, just imbeds in the hole of a side of filter sheet structure 2.Axle sleeve 10 opposite sides then are the cover tubular, and nested sliding axle 5 is fixed.
For making the switching device of optical fiber serviceability more stable, the two ends that lay respectively at ring-type solenoid 4 are set, be fixed in the location structure 3 and 9 of magnetic material of the qualification sliding axle 5 slippage extreme positions of housing 1.As shown in Figure 2, when ring-type solenoid 4 change direction of current, filter sheet structure 2 slides onto opposite side, and when stretching out ring-type solenoid 4, permanent magnetic material sliding axle 5 other ends are just in time near the magnetic material location structure 9 that is fixed in the opposite side of housing.
After the outage, produce the power that attracts each other between the sliding axle 5 of permanent magnetic material and the location structure 3 or 9 of magnetic material, play the effect that limits whole filter sheet structure 2 displacements.The optical filter 11 or 12 of this moment just aims at that image obtains, in the camera lens light path of pen recorder, play optical filter 11 or 12 effects that should play.
Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (8)
1. switching device of optical fiber, comprise the filter sheet structure that has the housing of taking the light path window and be clipped in the isolation different light rays that relative housing slides in the housing, the driving force device that is fixed in the slippage of housing promotion filter sheet structure, it is characterized in that, the translation slide rail that its filter sheet structure and at least one are fixed in housing produces the opposite planar displacement, the driving force device comprises ring-type solenoid that is fixed in housing and the permanent magnetic material sliding axle that passes the solenoid inwall, and sliding axle one terminal tool is connected in a side of filter sheet structure.
2. switching device of optical fiber according to claim 1 is characterized in that, filter sheet structure is two and closes up assembly structure that at least one tablet filter is blocked in the centre.
3. switching device of optical fiber according to claim 2 is characterized in that, filter sheet structure and the translation slide rail place of contact form the slip hole of cavernous structure, and the translation slide rail passes the slip hole of this cavernous structure.
4. switching device of optical fiber according to claim 1, it is characterized in that, the junction of a side of sliding axle one end and filter sheet structure, the sliding axle mechanical fasteners connects an axle sleeve, the local constriction shape that forms of this axle sleeve other end embeds in the side hole of filter sheet structure axle sleeve.
5. switching device of optical fiber according to claim 1 is characterized in that, the driving force device also comprises, lays respectively at the two ends of ring-type solenoid, is fixed in the location structure of magnetic material of the qualification sliding axle slip locations of housing.
6. according to each described switching device of optical fiber of claim 1-5, it is characterized in that the translation slide rail is two roads.
7. switching device of optical fiber according to claim 6 is characterized in that, described translation slide rail is ganoid wire-like material.
8. switching device of optical fiber according to claim 1 is characterized in that, described housing edge forms all or be local is the circular arc in the center of circle to take light path window center point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920057441XU CN201449507U (en) | 2009-05-27 | 2009-05-27 | Optical filter switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920057441XU CN201449507U (en) | 2009-05-27 | 2009-05-27 | Optical filter switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449507U true CN201449507U (en) | 2010-05-05 |
Family
ID=42554228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920057441XU Expired - Fee Related CN201449507U (en) | 2009-05-27 | 2009-05-27 | Optical filter switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449507U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375302A (en) * | 2010-08-25 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Filter switching device |
| CN102879983A (en) * | 2012-08-17 | 2013-01-16 | 深圳市佳信捷技术股份有限公司 | Filter switcher and camera |
| CN105607408A (en) * | 2016-03-21 | 2016-05-25 | 信利光电股份有限公司 | Dual camera module and electronic equipment |
| CN110445969A (en) * | 2019-08-16 | 2019-11-12 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
-
2009
- 2009-05-27 CN CN200920057441XU patent/CN201449507U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375302A (en) * | 2010-08-25 | 2012-03-14 | 鸿富锦精密工业（深圳）有限公司 | Filter switching device |
| CN102879983A (en) * | 2012-08-17 | 2013-01-16 | 深圳市佳信捷技术股份有限公司 | Filter switcher and camera |
| CN102879983B (en) * | 2012-08-17 | 2016-01-20 | 深圳市佳信捷技术股份有限公司 | Optical-filter switcher and video camera |
| CN105607408A (en) * | 2016-03-21 | 2016-05-25 | 信利光电股份有限公司 | Dual camera module and electronic equipment |
| CN110445969A (en) * | 2019-08-16 | 2019-11-12 | 维沃移动通信（杭州）有限公司 | Camera module and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201449507U (en) | Optical filter switching device | |
| CN112492179B (en) | Camera module and electronic equipment | |
| CN109088964B (en) | Linear motor, telescopic camera assembly and mobile phone | |
| CN103201934A (en) | Voice coil motor and driving method thereof | |
| US20210041763A1 (en) | Blade driving device | |
| WO2020253211A1 (en) | Camera lifting device and intelligent terminal | |
| TW201205143A (en) | Electromagnetic driving apparatus for lens | |
| CN102385131B (en) | Electromagnetic type lens driving device | |
| US10564515B2 (en) | Blade driving device | |
| CN104425168B (en) | Slide switch and opening-closing structure thereof, and there is the electronic installation of this slide switch | |
| CN204331243U (en) | A kind of rectilinearly-movable camera lens auto-focusing drive unit | |
| CN201194059Y (en) | Spectral filter switching apparatus for digital image shooting device | |
| CN102722064A (en) | Optical filter switcher | |
| US9726851B2 (en) | Voice coil motor and focusing lens | |
| CN202677044U (en) | Optical filter switching device | |
| CN103176260B (en) | Driving means | |
| CN115193783A (en) | Scanning device and method for aerial survey unmanned aerial vehicle | |
| US20220247298A1 (en) | Damping spring, voice coil motor equipped with damping springs, and camera device | |
| TWI355185B (en) | A digital still camera module | |
| CN209946504U (en) | Voice coil motor automatic zoom lens | |
| CN115933162B (en) | Bearing device and micro-scanning super-resolution system | |
| CN112485878A (en) | Electromechanical integrated array type light filtering mechanism | |
| CN110722602A (en) | Device capable of switching lifting movement | |
| CN206539164U (en) | Door with automatic positioning function | |
| CN101324689B (en) | Voice coil motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100505 Termination date: 20140527 |