CN107367893B - Optical fusion device and projection equipment - Google Patents
Optical fusion device and projection equipment Download PDFInfo
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- CN107367893B CN107367893B CN201710832597.XA CN201710832597A CN107367893B CN 107367893 B CN107367893 B CN 107367893B CN 201710832597 A CN201710832597 A CN 201710832597A CN 107367893 B CN107367893 B CN 107367893B
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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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2053—Intensity control of illuminating light
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
- G02B26/023—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light comprising movable attenuating elements, e.g. neutral density filters
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to the field of light fusion technologies, and in particular, to an optical fusion device and a projection apparatus. The optical fusion device includes: the optical filter comprises a bracket, an optical filter arranged on the bracket and a driving mechanism; a projection port is arranged on the bracket; the optical filter is connected with the bracket in a sliding way; the driving mechanism is connected with the optical filter and used for driving the optical filter to move relative to the bracket so as to cover or open the projection opening. According to the optical fusion device provided by the invention, the optical filter eliminates the bright band in the picture at night, and the driving mechanism drives the optical filter to move, so that the optical filter does not influence the projection effect of the projector at daytime, and therefore, the optical fusion device provided by the invention can effectively eliminate the bright band in the picture at night.
Description
Technical Field
The present invention relates to the field of light fusion technologies, and in particular, to an optical fusion device and a projection apparatus.
Background
Many applications now require the projector's picture to be projected on a contoured (spherical, cylindrical or other curved) screen. When more than two projectors project on a screen with a special-shaped surface (spherical surface, cylindrical surface or other curved surfaces) and continuous pictures are required to be formed, a certain overlapping area exists at the joint part of the two projected pictures. The brightness of the overlapping area will be higher than the brightness of the non-overlapping area, and therefore a bright band appears in one continuous picture.
Therefore, a problem of eliminating a bright band in a screen at night is to be solved.
Disclosure of Invention
The invention aims to provide an optical fusion device and projection equipment, which are used for solving the technical problem of how to eliminate a bright band in a picture when a night scene exists in the prior art.
The invention provides an optical fusion device, which comprises: the optical filter comprises a bracket, an optical filter arranged on the bracket and a driving mechanism; a projection port is arranged on the bracket; the optical filter is connected with the bracket in a sliding way; the driving mechanism is connected with the optical filter and used for driving the optical filter to move relative to the bracket so as to cover or open the projection opening.
Further, the optical filter comprises a first sub-optical filter and a second sub-optical filter; the driving mechanism comprises a first sub-driving mechanism and a second sub-driving mechanism; one end of the first sub-optical filter is abutted with one end of the second sub-optical filter; the first sub-driving mechanism is connected with the first sub-optical filter and is used for driving the first sub-optical filter to move towards or away from the second sub-optical filter; the second sub-driving mechanism is connected with the second sub-optical filter and is used for driving the second sub-optical filter to move towards the direction close to or far from the first sub-optical filter.
Further, the first sub-driving mechanism comprises a first driving motor and a first lead screw nut; the screw rod of the first screw rod nut is connected with the power output shaft of the first driving motor; the nut of the first lead screw nut is fixedly connected with the first sub-optical filter.
Further, the second sub-driving mechanism comprises a second driving motor and a second lead screw nut; the lead screw of the second lead screw nut is connected with the power output shaft of the second driving motor; and the nut of the second lead screw nut is fixedly connected with the second sub-optical filter.
Further, the first sub-filter is folded; the bracket is provided with a first fixed block; a first clamping groove is formed in the first fixed block; one end of the first sub-optical filter, which is far away from the second sub-optical filter, is clamped in the first clamping groove, and the other end of the first sub-optical filter is in sliding connection with the support.
Further, the first fixing block comprises two fixing aluminum sheets which are oppositely arranged; the two fixing aluminum sheets are fixed on the bracket; one end of the first sub-optical filter is fixed between the two fixed aluminum sheets.
Further, the first fixing block further comprises two fixed organic glasses which are oppositely arranged; the two fixed organic glass sheets are arranged between the two fixed aluminum sheets; one end of the first sub-filter is fixed between the two organic glasses.
Further, the second sub-filter is folded; the bracket is provided with a second fixed block; a second clamping groove is formed in the second fixing block; one end of the second sub-optical filter, which is far away from the first sub-optical filter, is clamped in the second clamping groove; the other end of the second sub-optical filter is connected with the support in a sliding mode.
Further, the optical fusion device further comprises a controller; the driving mechanism is connected with the controller; the controller is used for controlling the opening and closing of the driving mechanism.
Further, the invention also provides a projection device, which comprises two projectors, a curved projection screen and the optical fusion device; the bracket is arranged between the curved projection screen and the projector.
The optical fusion device provided by the invention comprises a bracket, and an optical filter and a driving mechanism which are arranged on the bracket. The bracket is arranged between the projector and the curved projection screen, when in night scenes, the light filter covers the projection opening, the overlapped part of the light projected by the two projectors passes through the light filter and then is projected on the curved projection screen, and due to the filtering effect of the light filter, the brightness of the overlapped part of the light passes through the light filter, so that the brightness of the overlapped part of the light transmitted on the curved projection screen is consistent with the brightness of the other part of the light, thereby eliminating the bright band in the frames when in night scenes. When the projector is used for viewing a scene in daytime, a user can drive the optical filter to move through the driving mechanism, so that the optical filter moves away from the projection opening, the optical filter moves away from the front of the projection beam of the projector, the projection opening is opened, and light projected by the projector is directly projected on the curved projection screen through the projection opening, so that the use of the projector in daytime is not affected.
According to the optical fusion device provided by the invention, the optical filter eliminates the bright band in the picture at night, and the driving mechanism drives the optical filter to move, so that the optical filter does not influence the projection effect of the projector at daytime, and therefore, the optical fusion device provided by the invention can effectively eliminate the bright band in the picture at night.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an optical fusion device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a part of the optical fusion device shown in FIG. 1;
fig. 3 is a schematic structural diagram of a first fixing block in an optical fusion device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second fixing block in the optical fusion device according to the embodiment of the invention.
Reference numerals:
1-a bracket; 2-a projection port; 3-an optical filter;
4-a driving mechanism; 5-a first fixed block; 6-a second fixed block;
7-a first clamping groove; 8-a second clamping groove; 31-a first sub-filter;
32-a second sub-filter; 41-a first sub-drive mechanism; 42-a second sub-drive mechanism;
51-fixing an aluminum sheet; 52-fixed plexiglass.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
FIG. 1 is a schematic diagram of an optical fusion device according to an embodiment of the present invention; FIG. 2 is a schematic view of a part of the optical fusion device shown in FIG. 1; fig. 3 is a schematic structural diagram of a first fixing block in an optical fusion device according to an embodiment of the present invention; fig. 4 is a schematic structural diagram of a second fixing block in the optical fusion device according to the embodiment of the present invention; as shown in fig. 1 to 4, an embodiment of the present invention provides an optical fusion device including: a bracket 1, a light filter 3 arranged on the bracket 1 and a driving mechanism 4; a projection port 2 is arranged on the bracket 1; the optical filter 3 is connected with the bracket 1 in a sliding way; the driving mechanism 4 is connected with the optical filter 3 and is used for driving the optical filter 3 to move relative to the bracket 1 so as to cover or open the projection opening 2.
The optical fusion device provided by the embodiment of the invention comprises a bracket 1, an optical filter 3 arranged on the bracket 1 and a driving mechanism 4. The bracket 1 is arranged between the projector and the curved projection screen, when in night vision, the light filter 3 covers the projection port 2, the overlapped part of the light projected by the two projectors passes through the light filter 3 and then is projected on the curved projection screen, and due to the filtering effect of the light filter 3, the brightness of the overlapped part of the light passes through the light filter 3 to be reduced, so that the brightness of the light transmitted by the overlapped part of the light is consistent with the brightness of the light of other parts of the light after being transmitted on the curved projection screen, thereby eliminating the bright band in the picture when in night vision. When in daytime scenes, a user can drive the optical filter 3 to move through the driving mechanism 4, the optical filter 3 is moved away from the projection opening 2, the optical filter 3 is moved away from the front of the projection beam of the projector, the projection opening 2 is opened, and the light projected by the projector is directly projected on the curved projection screen through the projection opening 2, so that the use of the projector in daytime is not affected.
According to the optical fusion device provided by the embodiment of the invention, the optical filter 3 eliminates the bright band in the picture at night, and the driving mechanism 4 drives the optical filter 3 to move, so that the optical filter 3 does not influence the projection effect of a projector at daytime.
As shown in fig. 1 to 4, further, the filter 3 includes a first sub-filter 31 and a second sub-filter 32 on the basis of the above-described embodiments; the drive mechanism 4 includes a first sub-drive mechanism 41 and a second sub-drive mechanism 42; one end of the first sub-filter 31 is abutted against one end of the second sub-filter 32; the first sub-driving mechanism 41 is connected to the first sub-filter 31, and is used for driving the first sub-filter 31 to move in a direction approaching or separating from the second sub-filter 32; the second sub-driving mechanism 42 is connected to the second sub-filter 32, and is configured to drive the second sub-filter 32 to move in a direction approaching or moving away from the first sub-filter 31.
In the present embodiment, the filter 3 includes a first sub-filter 31 and a second sub-filter 32, the driving mechanism 4 includes a first sub-driving mechanism 41 and a second sub-driving mechanism 42, the first sub-driving mechanism 41 is connected to the first sub-filter 31, and the second sub-driving mechanism 42 is connected to the second sub-filter 32. When viewing at night, the first sub-filter 31 and the second sub-filter 32 are in contact, and the light of the overlapping portion of the projector is projected onto the curved projection screen through the first sub-filter 31 and the second sub-filter 32. When the daytime mode is switched from night to daytime, the first sub-driving mechanism 41 drives the first sub-filter 31 to move in a direction away from the second sub-filter 32, the second sub-driving mechanism 42 drives the second sub-filter 32 to move in a direction away from the first sub-filter 31, and light of a superposition part of the projector is projected onto the curved projection screen from between the first sub-filter 31 and the second sub-filter 32, so that the use of the daytime projector is not affected.
In this embodiment, the optical filter 3 is set as the first sub-optical filter 31 and the second sub-optical filter 32, and the first sub-optical filter 31 and the second sub-optical filter 32 are driven to move by the first sub-driving mechanism 41 and the second sub-driving mechanism 42 respectively, so that the structure is compact, and the volume occupied by the optical fusion device is reduced.
The first sub-driving mechanism 41 and the second sub-driving mechanism 42 may have various structural forms, for example, the first sub-driving mechanism 41 and the second sub-driving mechanism 42 each include a driving motor, a gear, and a rack. The gear is arranged on the power output shaft of the driving motor, the rack is fixedly connected with the first sub-optical filter 31 or the second sub-optical filter 32, and the rack is meshed with the gear. The driving motor drives the gear to rotate, the gear drives the rack to move, and the rack drives the first sub-filter 31 or the second sub-filter 32 to move.
Wherein, a chute can be arranged on the bracket 1, the bottom of the first sub-optical filter 31 and the bottom of the second sub-optical filter 32 are slidably arranged in the chute, the first sub-driving mechanism 41 drives the first sub-optical filter 31 to move in the chute, and the second sub-driving mechanism 42 drives the second sub-optical filter 32 to move in the chute. In this embodiment, the sliding groove may play a role in guiding the movement of the first sub-filter 31 and the second sub-filter 32, so that the first sub-filter 31 and the second sub-filter 32 are more stable in the movement process, and the first sub-filter 31 and the second sub-filter 32 are rapidly moved, thereby improving the stability and efficiency of the device in use.
As shown in fig. 1 to 4, further, on the basis of the above-described embodiment, the first sub-driving mechanism 41 includes a first driving motor and a first lead screw nut; the screw rod of the first screw rod nut is connected with a power output shaft of the first driving motor; the nut of the first lead screw nut is fixedly connected with the first sub-filter 31.
In this embodiment, the first sub-driving mechanism 41 includes a first driving motor and a first screw nut, the first driving motor drives the screw of the first screw nut to rotate, and at the same time, the nut of the first screw nut moves along the screw, and the nut drives the first sub-filter 31 to move.
In the embodiment, the first driving motor and the first screw nut are simple in structural form and convenient for a user to operate and use.
Further to the above embodiments, the second sub-driving mechanism 42 includes a second driving motor and a second lead screw nut; the lead screw of the second lead screw nut is connected with a power output shaft of the second driving motor; the nut of the second lead screw nut is fixedly connected with the second sub-filter 32.
In this embodiment, the second sub-driving mechanism 42 includes a second driving motor and a second screw nut, the second driving motor drives the screw of the second screw nut to rotate, and at the same time, the nut of the second screw nut moves along the screw, and the nut drives the second sub-filter 32 to move.
In the embodiment, the second driving motor and the second screw nut are simple in structural form and convenient for a user to operate and use.
As shown in fig. 1 to 4, further, the first sub-filter 31 is folded in the above embodiment; the bracket 1 is provided with a first fixed block 5; the first fixing block 5 is provided with a first clamping groove 7; one end of the first sub-optical filter 31 far away from the second sub-optical filter 32 is clamped in the first clamping groove 7, and the other end of the first sub-optical filter 31 is in sliding connection with the bracket 1.
In this embodiment, one end of the first sub-filter 31 is locked in the first locking groove 7, the other end is slidably connected to the bracket 1, and the first sub-driving mechanism 41 drives the other end of the first sub-filter 31 to slide on the bracket 1. When used in the daytime, the first sub-filter 31 is stretched out to abut against the second sub-filter 32. When switching from the daytime to the nighttime mode, the first sub-driving mechanism 41 drives the other end of the first sub-filter 31 to move in a direction away from the second sub-filter 32 while the first sub-filter 31 is folded. When the night-time mode is switched to the daytime mode, the first sub-driving mechanism 41 drives the other end of the first sub-filter 31 to move in a direction approaching the second sub-filter 32, and at the same time, the first sub-filter 31 is spread out and abuts against the second sub-filter 32.
In this embodiment, the first sub-optical filter 31 is configured to be folded, and one end of the first sub-optical filter 31 moves relative to the bracket 1 to switch between the daytime mode and the nighttime mode, so that the optical fusion device of the present invention is relatively stable in use.
Further, on the basis of the above embodiment, the first fixing block 5 includes two fixing aluminum sheets 51 disposed opposite to each other; two fixing aluminum sheets 51 are fixed on the bracket 1; one end of the first sub-filter 31 is fixed between two fixing aluminum sheets 51.
In this embodiment, a first clamping groove 7 is formed between two fixing aluminum sheets 51, and one end of the first sub-filter 31 is clamped between the two fixing aluminum sheets 51.
In this embodiment, the fixing aluminum sheet 51 is light in weight, and the overall weight of the optical fusion device is reduced, while the fixing effect is good.
Further, a brush and a driving part are slidably provided on the holder 1, and the driving part is connected to the brush for driving the brush to reciprocate on the surface of the filter 3. When the filter 3 has dust and other impurities, a user can start the driving part, the cleaning brush is driven by the driving part to reciprocate on the surface of the filter 3, and the inclined brush cleans the dust on the surface of the filter 3 in the moving process, so that the cleanliness of the filter 3 is maintained. In this embodiment, the setting of slope brush and drive portion can realize the self-cleaning to light filter 3, has made things convenient for the user to handle light filter 3, further makes things convenient for the user to use.
As shown in fig. 1 to 4, further, on the basis of the above embodiment, the first fixing block 5 further includes two fixing plexiglas 52 disposed opposite to each other; two fixed plexiglas 52 are provided between the two fixed aluminum sheets 51; one end of the first sub-filter 31 is fixed between two organic glasses.
In this embodiment, two fixed organic glass 52 are disposed between two fixed aluminum sheets 51, and a first clamping groove 7 is formed between two fixed organic glass 52, and one end of the first sub-filter 31 is clamped between two fixed organic glass 52, so that the fixing effect is better and more convenient.
As shown in fig. 1 to 4, further, the second sub-filter 32 is folded in the above embodiment; the bracket 1 is provided with a second fixed block 6; the second fixed block 6 is provided with a second clamping groove 8; one end of the second sub-filter 32 far away from the first sub-filter 31 is clamped in the second clamping groove 8; the other end of the second sub-filter 32 is slidably connected to the bracket 1.
In this embodiment, the bracket 1 is provided with a second fixing block 6, the second fixing block 6 is provided with a second clamping groove 8, one end of the second sub-filter 32 is clamped in the second clamping groove 8, and the second sub-driving mechanism 42 drives the other end of the second sub-filter 32 to slide on the bracket 1. When used in the daytime, the second sub-filter 32 is spread out to abut against the first sub-filter 31. When switching from the daytime to the nighttime mode, the second sub-driving mechanism 42 drives the other end of the second sub-filter 32 to move in a direction away from the first sub-filter 31 while the second sub-filter 32 is folded. When the night-time mode is switched to the daytime mode, the second sub-driving mechanism 42 drives the other end of the second sub-filter 32 to move in a direction approaching the first sub-filter 31, and at the same time, the second sub-filter 32 is spread out and abuts against the first sub-filter 31.
In this embodiment, the second sub-filter 32 is configured to be folded, and one end of the second sub-filter 32 moves relative to the bracket 1, so that the switching between the daytime and nighttime modes can be realized, and the optical fusion device of the present invention is relatively stable in the use process.
The second fixing block 6 has the same structure as the first fixing block 5.
Further, on the basis of the above embodiment, the optical fusion device further includes a controller; the driving mechanism 4 is connected with the controller; the controller is used for controlling the opening and closing of the driving mechanism 4.
In this embodiment, the driving mechanism 4 is connected to a controller, and a user can preset the controller, and the controller controls the opening or closing of the driving mechanism 4, so as to control the movement of the optical filter 3. The automatic control of this optical fusion device is realized in the setting of controller, further facilitates the use.
Further, a first distance sensor and a second distance sensor, both connected to the controller, may be disposed on the bracket 1, a first sensing block may be disposed at the bottom of the first sub-filter 31, and a second sensing block may be disposed at the bottom of the second sub-filter 32. The first distance sensor is used for detecting the position information of the first sensing block, and the second distance sensor is used for detecting the position information of the second sensing block and transmitting the position information to the controller. The user presets the controller, and when the position information of the first sensing block detected by the first distance sensor is at a preset value, the controller controls to stop the first sub-driving mechanism 41, thereby completing the position adjustment of the first sub-optical filter 31. Similarly, when the position information of the second sensing block detected by the second distance sensor is at the preset value, the controller controls to stop the second sub-driving mechanism 42, thereby completing the position adjustment of the second sub-filter 32. In this embodiment, by setting the first distance sensor to cooperate with the first sensing block, and the second distance sensor cooperates with the second sensing block, automatic control during position adjustment of the first sub-optical filter 31 and the second sub-optical filter 32 can be achieved, so that the use of a user is further facilitated.
On the basis of the above embodiment, further, the embodiment of the present invention further provides a projection apparatus, where the projection apparatus includes two projectors, a curved projection screen, and an optical fusion device provided by the embodiment of the present invention; the bracket 1 is arranged between the curved projection screen and the two projectors. The working principle of the optical fusion device is the same as that of the optical fusion device, and the description is omitted here.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the 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: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. An optical fusion device, comprising: the optical filter comprises a bracket, an optical filter arranged on the bracket and a driving mechanism;
a projection port is arranged on the bracket; the optical filter is connected with the bracket in a sliding way; the driving mechanism is connected with the optical filter and used for driving the optical filter to move relative to the bracket so as to cover or open the projection opening;
the optical filter comprises a first sub-optical filter and a second sub-optical filter; the driving mechanism comprises a first sub-driving mechanism and a second sub-driving mechanism;
one end of the first sub-optical filter is abutted with one end of the second sub-optical filter;
the first sub-driving mechanism is connected with the first sub-optical filter and is used for driving the first sub-optical filter to move towards or away from the second sub-optical filter;
the second sub-driving mechanism is connected with the second sub-optical filter and is used for driving the second sub-optical filter to move towards or away from the first sub-optical filter;
the first sub-driving mechanism comprises a first driving motor and a first lead screw nut;
the screw rod of the first screw rod nut is connected with the power output shaft of the first driving motor; the nut of the first lead screw nut is fixedly connected with the first sub-optical filter;
the second sub-driving mechanism comprises a second driving motor and a second lead screw nut;
the lead screw of the second lead screw nut is connected with the power output shaft of the second driving motor; the nut of the second lead screw nut is fixedly connected with the second sub-optical filter;
the first sub-optical filter is folded; the bracket is provided with a first fixed block; a first clamping groove is formed in the first fixed block; one end of the first sub-optical filter, which is far away from the second sub-optical filter, is clamped in the first clamping groove, and the other end of the first sub-optical filter is connected with the bracket in a sliding manner;
the first fixing block comprises two fixing aluminum sheets which are oppositely arranged;
the two fixing aluminum sheets are fixed on the bracket; one end of the first sub-optical filter is fixed between the two fixed aluminum sheets;
the first fixing block further comprises two fixed organic glasses which are oppositely arranged;
the two fixed organic glass sheets are arranged between the two fixed aluminum sheets; one end of the first sub-optical filter is fixed between the two fixed organic glasses;
the second sub-optical filter is folded; the bracket is provided with a second fixed block; a second clamping groove is formed in the second fixing block; one end of the second sub-optical filter, which is far away from the first sub-optical filter, is clamped in the second clamping groove; the other end of the second sub-optical filter is in sliding connection with the bracket; the support is provided with a cleaning brush and a driving part in a sliding manner, and the driving part is connected with the cleaning brush and is used for driving the cleaning brush to reciprocate on the surface of the optical filter.
2. The optical fusion device of claim 1, further comprising a controller; the driving mechanism is connected with the controller; the controller is used for controlling the opening and closing of the driving mechanism.
3. A projection device comprising two projectors, a curved projection screen and an optical fusion device according to claim 1 or 2;
the bracket is arranged between the curved projection screen and the projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832597.XA CN107367893B (en) | 2017-09-15 | 2017-09-15 | Optical fusion device and projection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710832597.XA CN107367893B (en) | 2017-09-15 | 2017-09-15 | Optical fusion device and projection equipment |
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| CN107367893A CN107367893A (en) | 2017-11-21 |
| CN107367893B true CN107367893B (en) | 2023-07-07 |
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| JP3225243B1 (en) * | 2001-05-11 | 2001-11-05 | 株式会社小堀製作所 | Shading mask |
| JP2002148713A (en) * | 2000-11-13 | 2002-05-22 | Kuriputon:Kk | Joining device for video by a plurality of projectors |
| CN204536585U (en) * | 2015-04-24 | 2015-08-05 | 北京笔克展览展示有限公司 | A kind of fusion optical filter and a kind of large screen projection fusion device |
| CN206348580U (en) * | 2016-12-29 | 2017-07-21 | 中力科技有限公司 | It is a kind of merge optical filter can interaction equipment |
| CN207133566U (en) * | 2017-09-15 | 2018-03-23 | 北京威视安业科技有限公司 | Optical fusing device and projector equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006003409A (en) * | 2004-06-15 | 2006-01-05 | Olympus Corp | Image projection system |
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2017
- 2017-09-15 CN CN201710832597.XA patent/CN107367893B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002148713A (en) * | 2000-11-13 | 2002-05-22 | Kuriputon:Kk | Joining device for video by a plurality of projectors |
| JP3225243B1 (en) * | 2001-05-11 | 2001-11-05 | 株式会社小堀製作所 | Shading mask |
| CN204536585U (en) * | 2015-04-24 | 2015-08-05 | 北京笔克展览展示有限公司 | A kind of fusion optical filter and a kind of large screen projection fusion device |
| CN206348580U (en) * | 2016-12-29 | 2017-07-21 | 中力科技有限公司 | It is a kind of merge optical filter can interaction equipment |
| CN207133566U (en) * | 2017-09-15 | 2018-03-23 | 北京威视安业科技有限公司 | Optical fusing device and projector equipment |
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