CN113376783A - Optical filter swing switching device based on dynamic scene and video acquisition device - Google Patents
Optical filter swing switching device based on dynamic scene and video acquisition device Download PDFInfo
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- CN113376783A CN113376783A CN202011458417.4A CN202011458417A CN113376783A CN 113376783 A CN113376783 A CN 113376783A CN 202011458417 A CN202011458417 A CN 202011458417A CN 113376783 A CN113376783 A CN 113376783A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/006—Filter holders
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
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- Optics & Photonics (AREA)
- Blocking Light For Cameras (AREA)
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Abstract
The invention is suitable for the technical field of video shooting. The invention discloses a dynamic scene-based optical filter swing switching device and a video acquisition device, wherein the optical filter swing switching device comprises an optical filter support and an optical filter driving mechanism for driving the optical filter support to swing, the optical filter support is provided with a strip-shaped conversion hole for converting the rotary motion of the optical filter driving mechanism into the swing of the optical filter support, the strip-shaped conversion hole is provided with a limiting structure, the limiting structure is matched with a moving part on the optical filter driving mechanism, and when the optical filter support drives the moving part of the optical filter driving mechanism, the moving part enables the optical filter support to be in swing locking. When the moving part is matched with the limiting structure groove, the optical filter support is locked in the force application direction of the moving part, so that the stability of the optical filter switching device is improved. Meanwhile, the configuration relation of parts and parts does not need to be increased, the cost is saved, and the structure is simple and compact.
Description
Technical Field
The invention relates to the technical field of video shooting, in particular to a light filter swing switching device based on a dynamic scene and a video acquisition device.
Background
The existing video acquisition device, such as a video camera, is in the process of making a video recording, and in order to overcome the influence of the external light environment on the image pickup effect, different optical filters are adopted in the video camera generally to adapt to the image pickup environment, so that a better image effect is generated, and the automatic switching of the different optical filters in the video camera is realized through an optical filter switching device generally. The optical filter on the optical filter switching device is generally perpendicular to the optical path of the camera lens.
The camera device is usually applied to a relatively constant network in a static situation, and is in a static state after being installed and during working, if a monitoring camera is fixedly installed on a fixed object, such as a wall body and the like, the camera device cannot start vibration or move when being used, so that the existing optical filter switching device can keep the optical filter relatively fixed in the switched position by a self structure, and if the existing optical filter switching device is electrified, the swing arm generates a small moment effect. However, when video acquisition device was installed under the dynamic scene, if when utilizing aerial unmanned aerial vehicle to patrol and make a video recording, receive that the mechanical vibration and the air current influence of unmanned aerial vehicle during operation self fluctuate, this has just caused light filter auto-change over device to receive vibration or undulant influence easily, appears and can not be in stable state to influence the effect of making a video recording.
In view of the fact that the switching device cannot lock the position, it is common to add components, such as a locking mechanism, and although the position locking purpose may be achieved, it is inevitable to increase the volume of the switching device and increase the assembly and cost due to the increase of the number of components. Since the switching device is disposed inside the image pickup device, the space for mounting the switching device is very limited due to the miniaturization trend of the product, and thus there is a contradiction that it is not adjustable.
Disclosure of Invention
The invention mainly solves the technical problem of providing an optical filter swing switching device and a video acquisition device based on a dynamic scene, wherein the optical filter swing switching device can avoid the unstable position of an optical filter after switching due to fluctuation or vibration, improves the image pickup effect, reduces the cost and has a simple and compact structure.
In order to solve the above problems, the present invention provides a dynamic scene-based optical filter swing switching device, which includes an optical filter support and an optical filter driving mechanism for driving the optical filter support to swing, wherein the optical filter support is provided with a bar-shaped conversion hole for converting the rotation motion of the optical filter driving mechanism into the swing motion of the optical filter support, the bar-shaped conversion hole is provided with a limit structure, the limit structure is matched with a motion component on the optical filter driving mechanism, and when the optical filter support drives the optical filter driving mechanism, the optical filter driving mechanism enables the optical filter support to be in a swing locking state.
Further, the optical filter swing switching device comprises a guide mechanism which enables the optical filter bracket to swing in an arc or arc shape.
Further, the guide mechanism comprises an arc-shaped guide strip or a rotating shaft.
The optical filter driving mechanism comprises a driving part for driving the moving part to rotate, the moving part comprises a swing arm provided with a free end and a rotating end, the free end is provided with a shifting rod matched with the bar-shaped conversion hole, the shifting rod enables the optical filter support to be in swing locking, and the shifting rod is located in the limiting structure.
Further, the limiting structure comprises a limiting groove communicated with the strip-shaped conversion hole.
Further, when the strip-shaped conversion hole is provided with two limiting grooves, the two limiting grooves are distributed in an axisymmetric manner by taking the strip-shaped conversion hole as an axis.
Further, the depth of the limiting groove is not less than 1/2 of the diameter of the deflector rod.
Further, the strip-shaped conversion holes are positioned between two filters on the filter support.
Furthermore, the driving lever is provided with an anti-falling protrusion matched with the limiting groove and the strip-shaped conversion hole.
The invention also provides a video acquisition device which comprises the optical filter swinging switching device, wherein the optical filter switching device comprises an optical filter support and an optical filter driving mechanism for driving the optical filter support to swing, the optical filter support is provided with a strip-shaped conversion hole for converting the rotary motion of the optical filter driving mechanism into the swinging of the optical filter support, the strip-shaped conversion hole is provided with a limiting structure, the limiting structure is matched with a moving part on the optical filter driving mechanism, and when the optical filter support drives the optical filter driving mechanism, the optical filter driving mechanism enables the optical filter support to be in swinging locking.
Further, the optical filter swing switching device comprises a guide mechanism which enables the optical filter bracket to swing in an arc or arc shape.
Further, the guide mechanism comprises an arc-shaped guide strip or a rotating shaft.
The optical filter driving mechanism comprises a driving part for driving the moving part to rotate, the moving part comprises a swing arm provided with a free end and a rotating end, the free end is provided with a shifting rod matched with the bar-shaped conversion hole, the shifting rod enables the optical filter support to be in swing locking, and the shifting rod is located in the limiting structure.
Further, the limiting structure comprises a limiting groove communicated with the strip-shaped conversion hole.
Further, when the strip-shaped conversion hole is provided with two limiting grooves, the two limiting grooves are distributed in an axisymmetric manner by taking the strip-shaped conversion hole as an axis.
Further, the depth of the limiting groove is not less than 1/2 of the diameter of the deflector rod.
Further, the strip-shaped conversion holes are positioned between two filters on the filter support.
Furthermore, the driving lever is provided with an anti-falling protrusion matched with the limiting groove and the strip-shaped conversion hole.
The invention discloses a dynamic scene-based optical filter swing switching device and a video acquisition device, wherein the dynamic scene-based optical filter swing switching device comprises a dynamic scene-based optical filter swing switching device which comprises an optical filter support and an optical filter driving mechanism for driving the optical filter support to swing, the optical filter support is provided with a strip-shaped conversion hole for converting the rotary motion of the optical filter driving mechanism into the swing of the optical filter support, the strip-shaped conversion hole is provided with a limiting structure, the limiting structure is matched with a motion part on the optical filter driving mechanism, and when the optical filter support drives the optical filter driving mechanism, the optical filter driving mechanism enables the optical filter support to be in swing locking. When the swing arm finishes switching movement to a stop position, the shifting lever on the swing arm is just positioned in the limiting groove, when the optical filter support is disturbed by external force and/or self gravity, when the optical filter support pushes the shifting lever to swing, arc-shaped movement generated by the swing of the optical filter support interferes with arc-shaped movement generated by the moving part, so that the optical filter support is locked, namely, the optical filter support cannot move, and the optical filter support is ensured to be in a stable state at a locking position. When the optical filter support needs to be switched, the moving part leaves the limiting structure, and the rotating motion of the moving part is converted into the swing of the optical filter support under the matching of the moving part and the strip-shaped conversion hole, so that the switching of the optical filter support is realized. When the moving part is matched with the limiting structure, the optical filter support is locked in the force application direction of the moving part, so that the stability of the optical filter switching device is improved. Meanwhile, the configuration relation of parts and parts does not need to be increased, so that the cost is saved, the size of the device is not increased, the structure is simple and compact, and the device is stable and reliable and has better adaptability.
Drawings
In order to illustrate the embodiments of the invention or the technical solutions in the prior art more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the description only show some embodiments of the invention and therefore should not be considered as limiting the scope, and for a person skilled in the art, other related drawings can also be obtained from these drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a first embodiment of a filter switching device at a stopping point.
FIG. 2 is a schematic diagram illustrating a switched structure of the first embodiment of the optical filter switching apparatus.
Fig. 3 is a schematic structural view of a second embodiment of the filter switching device at a stopping point.
Fig. 4 is a schematic diagram of a switched structure of a second embodiment of the filter switching apparatus.
The objectives, features, and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The following claims of the present invention are further detailed in conjunction with the detailed description of the embodiments and the accompanying drawings, and it is to be understood that the described embodiments are only a subset of the embodiments of the present invention, and not all embodiments. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention without any inventive work also belong to the protection scope of the present invention.
It should be understood that in the description of the embodiments of the present invention, all directional terms, such as "upper", "lower", "left", "right", "front", "back", etc., indicate orientations or positional relationships based on the orientations, positional relationships, or the orientations or positional relationships that the products of the present invention usually use, which are only used for the convenience of simplifying the description of the present invention, and do not indicate or imply that the devices, elements, or components that are referred to must have specific orientations and specific orientation configurations, and should not be construed as limiting the present invention. For the purpose of explaining only the relative positional relationship between the respective components, the movement, and the like, as shown in the drawings, when the specific posture is changed, the directional indication may be changed accordingly.
Furthermore, the use of ordinal terms such as "first", "second", etc., in the present application is for distinguishing between similar elements and not intended to imply or imply relative importance or the number of technical features indicated. The features defining "first" and "second" may be explicit or implicit in relation to at least one of the technical features. In the description of the present invention, "a plurality" means at least two, i.e., two or more, unless expressly defined otherwise; the meaning of "at least one" is one or both.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood in a broad sense, and for example, the positional relationship between the components may be fixed relatively, or the components may be physically fixed, or may be detachably connected, or may be integrated into a single structure; the connection can be mechanical connection or electrical signal connection; either directly or indirectly through intervening media or components; the two elements can be communicated with each other or can be mutually interacted, and unless the specification explicitly defines otherwise, the corresponding function or effect cannot be realized in other understanding manners, and the specific meaning of the terms in the invention can be understood by a person skilled in the art according to specific conditions.
The present invention relates to a controller, a control circuit, etc., which all use the conventional control techniques or units of those skilled in the art, and the control circuit of the controller can be implemented by those skilled in the art by using the existing techniques, such as simple programming. The power supply also adopts the prior art, and the main technical point of the invention lies in the improvement of mechanical devices, so the invention does not need to describe the specific circuit control relation and circuit connection in detail.
As shown in fig. 1 and fig. 2, the present invention provides an embodiment of a filter wobble switching apparatus based on a dynamic scene.
The optical filter swing switching device based on the dynamic scene comprises an optical filter support 21 and an optical filter driving mechanism 3 for driving the optical filter support 21 to swing, wherein the optical filter support 21 is provided with a strip-shaped conversion hole 22 for converting the rotary motion of the optical filter driving mechanism 3 into the swing of the optical filter support 21, the strip-shaped conversion hole 22 is provided with a limiting structure, the limiting structure is matched with a moving part on the optical filter driving mechanism 3, and when the optical filter support 21 drives the optical filter driving mechanism 3, the moving part enables the optical filter support 3 to be in a swing locking state.
Specifically, the oscillation means that the filter holder 21 is driven by the filter driving mechanism 3 to perform an arc motion or a circular motion. The filter holder 21 driving the filter driving mechanism 3 means that the filter holder 21 applies force to the filter driving mechanism 3 to rotate the moving member on the filter driving mechanism 3. The optical filter switching device comprises a body 10 provided with a containing cavity and a cover body (not shown in the figure) matched with the body 10, and the optical filter support 21 and the optical filter driving mechanism 3 are arranged in the containing cavity. The filter support 21 is provided with two light-transmitting sheets 20 with different light transmittance. The bar-shaped conversion hole 22 may also adopt other structures that convert a rotary motion into a linear motion, such as a bar-shaped groove. In this embodiment, the limiting structure adopts a limiting groove 221. The optical filter support 10 is provided with two guide strips 12 which enable the optical filter support 21 to move in an arc or circular arc mode, and the moving stability of the optical filter support can be guaranteed.
When the limiting structure is matched with the filter driving mechanism 3, that is, the limiting groove 221 is matched with the filter driving mechanism 3, and when the filter support 21 applies force to the moving part on the filter driving mechanism 3, the moving part on the filter driving mechanism 3 makes the filter support 21 in the movement locking state.
The optical filter driving mechanism 3 comprises a moving part and a driving part for driving the moving part to rotate, wherein the moving part comprises a swing arm 31 provided with a free end and a rotating end, the free end of the swing arm 31 is provided with a shift lever 311 matched with the strip-shaped conversion hole 22, and the rotating end of the swing arm 31 is in transmission connection with the driving part, so that the swing arm 31 can rotate with a rotating shaft arranged at the rotating end. The driving component in this embodiment is implemented by using the prior art, and a detailed structure of the driving component is not described again.
When the optical filter swinging switching device works, the driving part drives the swinging arm 31 to rotate around the rotating shaft, the free end of the swinging arm 31 forms an arc-shaped moving track, the rotating motion of the swinging arm 31 is converted into the power for the motion of the optical filter support 21 under the matching of the driving lever 311 and the strip-shaped conversion hole 22, the optical filter swinging switching device is provided with an optical filter support 21 to enable the optical filter support 21 to be in an arc or arc swinging guide mechanism, and the guide mechanism comprises an arc or arc guide rail which is matched with the optical filter support 21 to realize the arc or arc transportation. That is, a guide mechanism for making the filter support 21 swing in an arc or arc shape is arranged between the filter support 21 and the body 10, the guide mechanism includes an arc or arc guide rail to cooperate with each other to realize the arc or arc transportation of the filter support 21, and when the filter support 21 moves to the stop position, the shift lever 311 of the swing arm 31 cooperates with the limit groove 221 in the bar-shaped conversion hole 22, and when the filter support 21 drives the swing arm 31 to move in the opposite direction, the filter support 21 is locked by the swing arm 31, so that the swing arm 31 is stably located at the stop point.
When the filter holder 21 is subjected to a force other than the shift lever 311, that is, when the shift lever 311 is in a stationary state, the filter holder 21 is moved in the a direction, and the filter holder 21 is locked by the shift lever 311. However, when the shift lever 311 is driven by the swing link 31 to move in the direction B, the optical filter support 21 is driven to swing without being affected.
When the optical filter needs to be switched, under the action of a control signal, the driving part enables the swing arm 31 to drive the optical filter support 21 to be switched, that is, from the state shown in fig. 1 to the state shown in fig. 2, as shown in fig. 2, under the action of the swing arm 31, the driving lever 311 leaves the limiting groove 221, and simultaneously, under the action of the driving lever 311 and the strip-shaped conversion hole 22, the rotary motion of the swing arm 31 is converted into the arc-shaped motion of the optical filter support 21, so that the switching of the optical filter is realized. The position of the optical filter support 21 can be locked at the stop position of the swing arm 31, so that the phenomenon of instability of the position of the optical filter support due to external vibration is avoided, and the image pickup effect is improved. Meanwhile, the components are not required to be added, the configuration relation among the original components is not required to be changed, the cost is saved, the size is not increased, and the structure is simple and compact.
In this embodiment, the side of the limiting groove 221 away from the swing arm 31 is preferably smoothly connected to the stripe converting hole 22, so that the driving rod 311 can drive the filter holder 21 to shake when moving to the limiting groove 221. The limiting groove 221 is a part of the motion track of the free end when the swing arm 31 rotates.
According to the requirement, two limiting grooves 221 can be arranged in the strip-shaped conversion hole 22 to respectively lock two stop positions of the filter support 21, and the two limiting grooves 221 can be axially and symmetrically distributed in the strip-shaped conversion hole 22.
The free end of the driving lever 311 is provided with an anti-slip protrusion 313 engaged with the slide hole, as required, and the anti-slip protrusion (not shown) is longitudinally arranged, i.e. the longitudinal width is greater than the width of the bar-shaped switch hole 22 and the limiting groove 221, so as to prevent the driving lever 311 from being separated from the bar-shaped switch hole 22 and the limiting groove 221 when in use.
As shown in fig. 3 and 4, the present invention provides another embodiment of a filter wobble switching apparatus based on dynamic scene based on the above embodiment.
Specifically, the optical filter swing switching device is provided with an optical filter support 21 to enable the optical filter support 21 to make an arc or arc swing guide mechanism, and the guide mechanism comprises an arc or arc guide rail which is matched with the arc or arc guide rail to realize arc or arc transportation of the optical filter support 21. That is, a rotation shaft 24 for rotating the filter holder 21 is provided between the filter holder 21 and the main body 10, and other configurations are the same as those of the above-described embodiment. When the optical filter switching device works, the driving part drives the swing arm 31 to rotate around the rotating shaft, and the driving lever 311 on the swing arm 31 cooperates with the strip converting hole 22 to drive the optical filter bracket 21 to move in an arc around the rotating shaft 24 to another stopping point, i.e. the position of the switched optical filter. At this time, the shift lever 311 is located in the limiting groove 221, and when the filter support 21 pushes the shift lever 311 to move, the filter support 21 is in a locked state under the action of the swing arm 31.
The position of the optical filter support 21 can be locked at the stop position of the swing arm 31, so that the phenomenon of instability of the position of the optical filter support due to external vibration is avoided, and the image pickup effect is improved. Meanwhile, the components are not required to be added, the configuration relation among the original components is not required to be changed, the cost is saved, the size is not increased, and the structure is simple and compact.
The invention also provides an embodiment of the video acquisition device.
The video acquisition device comprises a light filter swing switching device, the light filter swing switching device comprises a light filter support 21 and a light filter driving mechanism 3 for driving the light filter support 21 to swing, the light filter support 21 is provided with a strip-shaped conversion hole 22 for converting the rotary motion of the light filter driving mechanism 3 into the swing of the light filter support 21, the strip-shaped conversion hole 22 is provided with a limiting structure, the limiting structure is matched with a moving part on the light filter driving mechanism 3, and when the light filter support 21 drives the light filter driving mechanism 3, the moving part enables the light filter support 3 to be in swing locking.
Specifically, the oscillation means that the filter holder 21 is driven by the filter driving mechanism 3 to perform an arc motion or a circular motion. The filter holder 21 driving the filter driving mechanism 3 means that the filter holder 21 applies force to the filter driving mechanism 3 to rotate the moving member on the filter driving mechanism 3. The optical filter switching device comprises a body 10 provided with a containing cavity and a cover body (not shown in the figure) matched with the body 10, and the optical filter support 21 and the optical filter driving mechanism 3 are arranged in the containing cavity. The filter support 21 is provided with two light-transmitting sheets 20 with different light transmittance. The bar-shaped conversion hole 22 may also adopt other structures that convert a rotary motion into a linear motion, such as a bar-shaped groove. In this embodiment, the limiting structure adopts a limiting groove 221. The optical filter support 10 is provided with two guide strips 12 which enable the optical filter support 21 to move in an arc or circular arc mode, and the moving stability of the optical filter support can be guaranteed.
When the limiting structure is matched with the filter driving mechanism 3, that is, the limiting groove 221 is matched with the filter driving mechanism 3, and when the filter support 21 applies force to the moving part on the filter driving mechanism 3, the moving part on the filter driving mechanism 3 makes the filter support 21 in the movement locking state.
The optical filter driving mechanism 3 comprises a moving part and a driving part for driving the moving part to rotate, wherein the moving part comprises a swing arm 31 provided with a free end and a rotating end, the free end of the swing arm 31 is provided with a shift lever 311 matched with the strip-shaped conversion hole 22, and the rotating end of the swing arm 31 is in transmission connection with the driving part, so that the swing arm 31 can rotate with a rotating shaft arranged at the rotating end. The driving component in this embodiment is implemented by using the prior art, and a detailed structure of the driving component is not described again.
When the optical filter support 21 moves to a stop position, the driving lever 311 of the swing arm 31 is matched with the limiting groove 221 in the bar-shaped conversion hole 22, and when the optical filter support 21 drives the swing arm 31 to move in the opposite direction, the optical filter support 21 is locked by the swing arm 31, so that the swing arm 31 is stably positioned at the stop point.
When the filter holder 21 is subjected to a force other than the shift lever 311, that is, when the shift lever 311 is in a stationary state, the filter holder 21 is moved in the a direction, and the filter holder 21 is locked by the shift lever 311. However, when the shift lever 311 is driven by the swing link 31 to move in the direction B, the optical filter support 21 is driven to swing without being affected.
When the optical filter needs to be switched, under the action of a control signal, the driving part enables the swing arm 31 to drive the optical filter support 21 to be switched, that is, from the state shown in fig. 1 to the state shown in fig. 2, as shown in fig. 2, under the action of the swing arm 31, the driving lever 311 leaves the limiting groove 221, and simultaneously, under the action of the driving lever 311 and the strip-shaped conversion hole 22, the rotary motion of the swing arm 31 is converted into the arc-shaped motion of the optical filter support 21, so that the switching of the optical filter is realized. The position of the optical filter support 21 can be locked at the stop position of the swing arm 31, so that the phenomenon of instability of the position of the optical filter support due to external vibration is avoided, and the image pickup effect is improved. Meanwhile, the components are not required to be added, the configuration relation among the original components is not required to be changed, the cost is saved, the size is not increased, and the structure is simple and compact.
In this embodiment, the side of the limiting groove 221 away from the swing arm 31 is preferably smoothly connected to the stripe converting hole 22, so that the driving rod 311 can drive the filter holder 21 to shake when moving to the limiting groove 221. The limiting groove 221 is a part of the motion track of the free end when the swing arm 31 rotates.
According to the requirement, two limiting grooves 221 can be arranged in the strip-shaped conversion hole 22 to respectively lock two stop positions of the filter support 21, and the two limiting grooves 221 can be axially and symmetrically distributed in the strip-shaped conversion hole 22.
The free end of the driving lever 311 is provided with an anti-slip protrusion 313 engaged with the slide hole, as required, and the anti-slip protrusion (not shown) is longitudinally arranged, i.e. the longitudinal width is greater than the width of the bar-shaped switch hole 22 and the limiting groove 221, so as to prevent the driving lever 311 from being separated from the bar-shaped switch hole 22 and the limiting groove 221 when in use.
As shown in fig. 3 and 4, the present invention provides another embodiment of a filter wobble switching apparatus based on dynamic scene based on the above embodiment.
Specifically, a rotation shaft 24 for rotating the filter holder 21 is provided between the filter holder 21 and the main body 10, and the other configurations are the same as the above-described embodiment. When the optical filter switching device works, the driving part drives the swing arm 31 to rotate around the rotating shaft, and the driving lever 311 on the swing arm 31 cooperates with the strip converting hole 22 to drive the optical filter bracket 21 to move in an arc around the rotating shaft 24 to another stopping point, i.e. the position of the switched optical filter. At this time, the shift lever 311 is located in the limiting groove 221, and when the filter support 21 pushes the shift lever 311 to move, the filter support 21 is in a locked state under the action of the swing arm 31.
The position of the optical filter support 21 can be locked at the stop position of the swing arm 31, so that the phenomenon of instability of the position of the optical filter support due to external vibration is avoided, and the image pickup effect is improved. Meanwhile, the components are not required to be added, the configuration relation among the original components is not required to be changed, the cost is saved, the size is not increased, and the structure is simple and compact.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments without departing from the spirit or scope of the present invention.
Claims (10)
1. The optical filter swing switching device based on the dynamic scene comprises an optical filter support and an optical filter driving mechanism for driving the optical filter support to swing, and is characterized in that the optical filter support is provided with a strip-shaped conversion hole for converting the rotary motion of the optical filter driving mechanism into the swing of the optical filter support, the strip-shaped conversion hole is provided with a limiting structure, the limiting structure is matched with a moving part on the optical filter driving mechanism, and when the optical filter support drives the optical filter driving mechanism, the optical filter driving mechanism enables the optical filter support to be in a swing locking state.
2. The dynamic scene-based filter swinging switching device of claim 1, wherein the filter swinging switching device comprises a guide mechanism for making the filter support swing in an arc or a circular arc.
3. The dynamic scene-based filter wobble switch apparatus of claim 2, wherein the guiding mechanism comprises an arc-shaped guiding bar or a rotating shaft.
4. The dynamic scene-based filter swing switching apparatus according to claim 3, wherein the filter driving mechanism comprises a driving member for driving the moving member to rotate, the moving member comprises a swing arm having a free end and a rotating end, the free end is provided with a shift lever cooperating with the bar conversion hole, the shift lever makes the filter holder in the swing lock, and the shift lever is located in the position limiting structure.
5. The dynamic scene-based filter wobble switch apparatus of claim 4, wherein said limiting structure comprises a limiting groove communicating with a stripe-shaped switching hole.
6. The dynamic scene-based filter swing switching apparatus according to claim 5, wherein when two limiting grooves are disposed in the stripe conversion hole, the two limiting grooves are disposed in an axisymmetric manner around the stripe conversion hole.
7. The dynamic scene-based filter swinging switching device of claim 5, wherein the depth of the limiting groove is not less than 1/2 of the diameter of the deflector rod.
8. The dynamic scene-based filter wobble switch apparatus of claim 1, wherein said stripe conversion apertures are located between two filters on a filter support.
9. The dynamic scene-based filter swing switching apparatus according to claim 4, wherein the shift lever is provided with an anti-slip protrusion cooperating with the limiting groove and the stripe conversion hole.
10. A video capture device comprising a filter wobble switch, wherein the filter switch comprises the filter switch of any one of claims 1-9.
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| CN202011458417.4A CN113376783B (en) | 2020-12-10 | 2020-12-10 | Light filter swing switching device and video acquisition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160172A1 (en) * | 2022-02-25 | 2023-08-31 | 杭州莱恩瑟特医疗技术有限公司 | Swing filter, illumination device for endoscope, and medical endoscope |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417356Y (en) * | 2009-02-18 | 2010-03-03 | 骏虹科技有限公司 | Infrared ray light filter switching device |
| CN201859289U (en) * | 2010-10-09 | 2011-06-08 | 深圳市安普赛科科技有限公司 | Switching device for optical filter |
| CN203117623U (en) * | 2012-12-12 | 2013-08-07 | 李道红 | Movable type optical filter switching apparatus |
| CN204374580U (en) * | 2015-01-05 | 2015-06-03 | 吴国富 | Switching device of optical fiber, cam device and camera head |
| 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 |
| CN210152479U (en) * | 2019-01-11 | 2020-03-17 | 李瀚� | Door closer with self-limiting and self-unlocking functions |
| CN111239951A (en) * | 2020-01-17 | 2020-06-05 | 赣州市奥海纳光电有限公司 | Novel pendulum type optical filter self-locking switcher |
| CN211627907U (en) * | 2020-01-17 | 2020-10-02 | 赣州市奥海纳光电有限公司 | Novel pendulum type optical filter self-locking switcher |
-
2020
- 2020-12-10 CN CN202011458417.4A patent/CN113376783B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417356Y (en) * | 2009-02-18 | 2010-03-03 | 骏虹科技有限公司 | Infrared ray light filter switching device |
| CN201859289U (en) * | 2010-10-09 | 2011-06-08 | 深圳市安普赛科科技有限公司 | Switching device for optical filter |
| CN203117623U (en) * | 2012-12-12 | 2013-08-07 | 李道红 | Movable type optical filter switching apparatus |
| CN204374580U (en) * | 2015-01-05 | 2015-06-03 | 吴国富 | Switching device of optical fiber, cam device and camera head |
| 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 |
| CN210152479U (en) * | 2019-01-11 | 2020-03-17 | 李瀚� | Door closer with self-limiting and self-unlocking functions |
| CN111239951A (en) * | 2020-01-17 | 2020-06-05 | 赣州市奥海纳光电有限公司 | Novel pendulum type optical filter self-locking switcher |
| CN211627907U (en) * | 2020-01-17 | 2020-10-02 | 赣州市奥海纳光电有限公司 | Novel pendulum type optical filter self-locking switcher |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160172A1 (en) * | 2022-02-25 | 2023-08-31 | 杭州莱恩瑟特医疗技术有限公司 | Swing filter, illumination device for endoscope, and medical endoscope |
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| Publication number | Publication date |
|---|---|
| CN113376783B (en) | 2022-08-23 |
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