CN211857168U - Rear projection device - Google Patents
Rear projection device Download PDFInfo
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- CN211857168U CN211857168U CN202020247456.9U CN202020247456U CN211857168U CN 211857168 U CN211857168 U CN 211857168U CN 202020247456 U CN202020247456 U CN 202020247456U CN 211857168 U CN211857168 U CN 211857168U
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Abstract
The utility model discloses a rear projector, including mount, projector and stereographic projection face, the projector set up in on the mount, stereographic projection face with the mount is connected, the stereographic projection face is located on the extending direction of the projection line of projector, just the stereographic projection face can cover the projector is in projection range on the stereographic projection face. Through the use of the stereoscopic projection surface, the rear projection device can project the content projected by the projector on the stereoscopic projection surface matched with the projection content, for example, when the projection content is a human face image, the stereoscopic projection surface can be a stereoscopic human face projection surface, the stereoscopic human face projection surface can simulate the stereoscopic outline of human face five sense organs, and when the human face projection image is projected on the stereoscopic human face projection surface, a more vivid and stereoscopic projection effect can be achieved.
Description
Technical Field
The utility model relates to a rear-projection display technology field especially relates to a rear-projection device.
Background
The back projection display is a projection display technology with low environmental requirements, and is suitable for simple screen display in places such as families or amusement parks. The amusement facility projects often use rear projection devices to play films with specific scene effects, but the projection screens of the existing rear projection devices are single, and most of the projection screens are flat, so that the viewing effect is poor.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to prior art not enough, provide a rear projection device to solve the not good problem of sight shadow effect that current rear projection device projection screen mostly leads to on the plane.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
a rear projection device comprises a fixed frame, a projector and a stereoscopic projection surface, wherein the projector is arranged on the fixed frame, the stereoscopic projection surface is connected with the fixed frame, the stereoscopic projection surface is positioned in the extending direction of a projection line of the projector, and the stereoscopic projection surface can cover the projection range of the projector on the stereoscopic projection surface.
The rear projection device is characterized in that the three-dimensional projection surface comprises a preset projection surface and a fixed frame, the fixed frame is connected to the fixed frame and inclines relative to the fixed frame, and the preset projection surface is connected with the fixed frame.
The rear projection device is characterized in that the fixing frame is positioned on one side of the preset projection surface close to the projector, and the edges of the preset projection surface are connected with the fixing frame.
The rear projection device is characterized in that the fixing frame is made of light-transmitting materials, a light-transmitting opening is formed in the fixing frame, and the projection line of the projector is projected to the preset projection surface through the light-transmitting opening.
The rear projection device is characterized in that an adjusting frame is arranged on the fixing frame, the adjusting frame is arranged on the fixing frame in parallel, and the projector is connected with the adjusting frame in a sliding mode.
Rear-projection device, its characterized in that, the alignment jig includes fixed plate and regulating plate, the fixed plate connect in on the mount, the regulating plate includes horizontal regulating plate and vertical regulating plate, horizontal regulating plate with the fixed plate is connected, vertical regulating plate set up respectively in the both ends of horizontal regulating plate, and the homogeneous phase is for horizontal regulating plate turns over the book, and two vertical regulating plates are located same one side of horizontal regulating plate.
The rear projection device is characterized in that a first sliding groove and a connecting rod are arranged on the longitudinal adjusting plate, the first sliding groove extends along the extending direction of the longitudinal adjusting plate, the connecting rod is connected with the first sliding groove in a sliding mode, and the projector is connected with the connecting rod.
The rear projection device is characterized in that a connecting plate is arranged on the projector, a second sliding groove is arranged on the connecting plate, the connecting rod penetrates through the second sliding groove and the first sliding groove to connect the connecting plate with the longitudinal adjusting plate, and the connecting rod can slide relative to the second sliding groove.
The rear projection device is characterized in that a third sliding groove and a fixed rod are further arranged on the fixed plate, the fixed rod is located in the third sliding groove and connected with the fixed frame, and the third sliding groove extends along the extending direction of the fixed plate, so that the fixed plate can slide relative to the fixed frame.
The rear projection device is characterized in that the first sliding groove is further provided with a heat dissipation part, and the heat dissipation part is located below the second sliding groove and connected with the first sliding groove.
Has the advantages that: compared with the prior art, the utility model provides a rear projector, including mount, projector and stereographic projection face, the projector set up in on the mount, the stereographic projection face with the mount is connected, the stereographic projection face is located on the extending direction of the projection line of projector, just the stereographic projection face can cover the projector is in projection range on the stereographic projection face. Through the use of the stereoscopic projection surface, the rear projection device can project the content projected by the projector on the stereoscopic projection surface matched with the projection content, for example, when the projection content is a human face image, the stereoscopic projection surface can be a stereoscopic human face projection surface, the stereoscopic human face projection surface can simulate the stereoscopic outline of human face five sense organs, and when the human face projection image is projected on the stereoscopic human face projection surface, a more vivid and stereoscopic projection effect can be achieved.
Drawings
Fig. 1 is a schematic structural diagram of a rear projection apparatus provided in this embodiment;
fig. 2 is a schematic view of an angle structure of a rear projection device according to the present invention;
fig. 3 is a schematic structural diagram of another angle of a rear projection device according to the present invention;
fig. 4 is a schematic structural diagram of another implementation of a rear projection apparatus provided in the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 3;
fig. 6 is a schematic structural diagram of the adjusting bracket of the present invention.
Detailed Description
The utility model provides a rear projector, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right to refer to the attached drawing below and to lift the embodiment the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The invention will be further explained by the description of the embodiments with reference to the drawings.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1, fig. 2 and fig. 3 are schematic structural diagrams of a rear projection device provided by the present invention at different angles. The rear projection device comprises a fixed frame 11, a projector 22 and a stereoscopic projection surface 33, wherein the projector 2 is arranged on the fixed frame 1, the stereoscopic projection surface 3 is connected with the fixed frame 1, the stereoscopic projection surface 3 is positioned in the extending direction of the projection line of the projector 2, and the stereoscopic projection surface 3 can cover the projection range of the projector 2 on the stereoscopic projection surface 3. In an implementation manner of this embodiment, through the use of the stereoscopic projection surface 3, the rear projection apparatus can project the content projected by the projector 2 on a stereoscopic projection surface matched with the projection content, for example, when the projection content is a human face image, the stereoscopic projection surface 3 may be a stereoscopic human face projection surface, and the stereoscopic human face projection surface may simulate a stereoscopic contour of a human face five sense organs, and when the human face projection image is projected on the stereoscopic human face projection surface, a more realistic and stereoscopic projection effect can be achieved. In another implementation manner of this embodiment, the stereoscopic face projection surface may be configured to have a special shape and decoration according to an entertainment effect, so as to achieve an effect of enriching the viewing experience of the projection audience.
In another implementation manner of this embodiment, as shown in fig. 4, the stereoscopic projection surface 3 includes a preset projection surface 5 and a fixed frame 4, the fixed frame 4 is connected to the fixed frame 1 and is inclined with respect to the fixed frame 1, the preset projection surface 5 is connected to the fixed frame 4 and is located in the extending direction of the projection line of the projector 2, the shape of the fixed frame 4 can be correspondingly set according to the stereoscopic contour of the preset projection surface 5, so as to simultaneously play a role in fixing and supporting the preset projection surface 5 and in decoration cooperation, so that the projector 2 is located on one side of the preset projection surface 5, and the audience is located the preset projection surface 5 and the opposite side of the projector 2 is on the preset projection surface 5 to watch the projection content of the projector 2. Specifically, mount 1 includes that a plurality of support montants and support horizontal pole set up the combination perpendicularly and form, the both sides that fixed frame 4 is relative have the hole, fixed frame 4 is close to one side cover of projector 2 and locates on the mount 1, the upper end of fixed frame 4 for the lower extreme to keep away from the direction slope of projector 2 set up in on the mount 1, on the mount 1 can set up different length support the horizontal pole respectively with fixed frame 4 is connected in order to adjust the slope degree of fixed frame 4, fixed frame 4 is kept away from one side of projector 2 with it links to predetermine 5 links of plane of projection. Further, in order to enhance the projection effect of the projection content, the image quality of the display image of the preset projection surface 5 is enhanced, a screen paint is further arranged on one side of the preset projection surface 5, which receives projection of the projection line, the projection line of the projector 2 directly irradiates on the screen paint, and when a viewer is located on one side of the preset projection surface 5 opposite to the projector 2 to view the projection image, the viewer can view the clearer image quality.
The fixed frame 4 is located predetermine the plane of projection 5 and is close to one side of projector 2, and predetermine the edge of plane of projection 5 all with fixed frame 4 is connected, works as when projector 2 begins to show projection content, the projection line that projector 2 throws passes the space that fixed frame 4 surrounds is thrown on predetermineeing plane of projection 5, makes the plane of projection is complete to be shown the projection content of projector 2. In a specific implementation manner of this embodiment, the preset projection surface 5 is a stereoscopic face shell, one surface of the face shell close to the projector 2 is provided with a screen paint and receives projection of a projection line, and one surface of the face shell far from the projector 2 is set to simulate stereoscopic contours of facial features, including stereoscopic contours of a face, such as a nose, a mouth, and a chin; the fixed frame 4 be with three-dimensional face shell matched with back head outline, the edge of face shell with the edge cooperation of fixed frame 4 is connected in order to form a confined face assembly, in order to strengthen the projection line of projector 2 throw in simulate three-dimensional face's true projection effect on the face shell.
In order to avoid right the projection effect causes the influence, fixed frame 4 is the printing opacity material, be provided with printing opacity mouth 6 on the fixed frame 4, as shown in fig. 2, the projection line of projector 2 passes through printing opacity mouth 6 throws extremely predetermine projection surface 5. Specifically, fixed frame 4 can be the glass steel material, predetermine projective plane 5 and be the transparent gram force material of inferior nature, fixed frame 4 has certain thickness, fixed frame 4 is kept away from one side of predetermineeing projective plane 5 and is fixed in through the glass steel technology of pasting with paste the system fixed in mount 1, fixed frame 4 is close to one side of predetermineeing projective plane 5 and can also set to open light inlet 6 through not connecting any baffle at fixed frame 4 edge through setting up the hole as light inlet 6 for the projection line direct projection of projector 2 in on the stereographic projection face 3, fixed frame 4 be close to predetermine one side of projective plane 5 can through glass steel resin with predetermine 5 bonding formation of projective plane 3.
In one implementation manner of this embodiment, as shown in fig. 2, an adjusting frame 7 is disposed on the fixing frame 1, the adjusting frame 7 is composed of a fixing plate 8 and an adjusting plate 9, the fixing plate 8 is connected to the fixing frame 1, the fixing plates 8 can be two and arranged in parallel on the fixing frame 1, the adjusting plate is connected to the fixing plate in a sliding manner, and the projector is connected to the adjusting plate in a sliding manner.
As shown in fig. 5 and 6, the adjusting plate 9 includes a transverse adjusting plate 10 and a longitudinal adjusting plate 11, the transverse adjusting plate 10 extends in a direction perpendicular to the fixing plate 8 and is slidably connected to the fixing plate 8, the longitudinal adjusting plates 11 are respectively disposed at two ends of the transverse adjusting plate 10, and both ends of the transverse adjusting plate 10 are opposite to the folding angle of the transverse adjusting plate 10, the two longitudinal adjusting plates 11 are located at the same side of the transverse adjusting plate 10, and the projector 2 is located between the two longitudinal adjusting plates 11 and is slidably connected to the longitudinal adjusting plates 11. In an implementation manner of this embodiment, in order to increase the stability of the projector 2, the number of the adjusting plates 9 may be two and parallel to the fixing plate 8, the two ends of the projector 2 and the four longitudinal adjusting plates 11 are slidably connected, and when the relative heights of the projector 2 on the four longitudinal adjusting plates 11 are changed, the vertical inclination angle and the horizontal inclination angle of the projector 2 may be changed, so as to change the projection angle of the projection line on the preset projection plane 5.
In an implementation manner of this embodiment, be provided with first spout 12 and connecting rod 13 on the longitudinal adjustment board 11, first spout 12 is followed the extending direction of longitudinal adjustment board 11 extends, projector 2 through connecting rod 13 with first spout 12 sliding connection, projector 2 with connecting rod 13 is connected, and the height that projector 2 placed can be adjusted through the hookup location that sets up connecting rod 13 and first spout 12, when changing connecting rod 13 and first spout 12's relative position, can realize nimble regulation projector 2 on the adjustment board 9 is for mount 1 and stereographic projection face 3's high position for projector 2's projection content is thrown on stereographic projection face 3 in order to reach better projection effect completely.
Further, connecting rod 13 with first spout 12 sliding connection, be provided with connecting plate 14 on projector 2, connecting plate 14 quantity is two and parallel arrangement in the both ends that projector 2 links to each other with regulating plate 9, be provided with second spout 15 on connecting plate 14, connecting rod 13 passes second spout 15 with first spout 12, in order to incite somebody to action connecting plate 14 with longitudinal regulation board 11 is connected, and connecting rod 13 can slide for second spout 15. In one implementation of this embodiment, in order to cooperate with the parallel-arranged adjusting frames, two second sliding slots 15 may be provided on the connecting plate 14, and each second sliding slot 15 is connected with the longitudinal adjusting plate 11 through a connecting rod 13. In another implementation manner of this embodiment, only one second sliding slot 15 may be disposed on the connecting plate 14, and the one second sliding slot 15 is simultaneously connected to the two connecting rods 13 in a sliding manner. When changing the relative position of connecting rod 13 and second spout 15, can realize nimble regulation the far and near position of projector 2 on the regulating plate 9 for stereographic projection face 3 for the projection content of projector 2 is the projection on stereographic projection face 3 completely, in order to reach better projection effect.
As shown in fig. 5 and 6, the lateral adjustment plate 10 is further provided with a third sliding slot 16 and a fixing rod 17, the fixing rod 17 is located in the third sliding slot 16 and connected to the fixing frame 1, and the third sliding slot 16 extends along the extending direction of the lateral adjustment plate 10, so that the lateral adjustment plate 10 can slide relative to the fixing frame 1. In one implementation manner of this embodiment, in order to cooperate with the fixing plates 8 arranged in parallel, two third sliding slots 16 and two fixing rods 17 may be arranged on the lateral adjusting plate 10, and each third sliding slot 16 is connected with the lateral adjusting plate 10 through a fixing rod 17. In another implementation manner of this embodiment, only one third sliding chute 16 may be disposed on the lateral adjustment plate 10, and the one third sliding chute 16 is slidably connected to two fixing rods 17 at the same time. When the relative position of the fixing rod 17 and the third sliding groove 16 is changed, the left and right positions of the projector 2 on the adjusting plate 9 relative to the fixing frame 1 and the stereoscopic projection surface 3 can be flexibly adjusted, so that the projection content of the projector 2 is completely projected on the stereoscopic projection surface 3, and a better projection effect is achieved.
As shown in fig. 6, a heat dissipation part 18 is further disposed on the first sliding groove 12, and the heat dissipation part 18 is located below the second sliding groove 15 and connected to the first sliding groove 12. In practical applications, the height of the first sliding chute 12 can be set according to the angle of the projector 2 to be adjusted and the height of the heat dissipation portion 18. In a specific implementation manner of this embodiment, the heat dissipation portion 18 may specifically be a heat dissipation fan, and when the heat dissipation fan is turned on, the heat dissipation fan supplies air to the working projector, so as to increase air flow near the position where the projector 2 is located, thereby achieving the effect of cooling and dissipating heat for the projector 2.
In another implementation manner of this embodiment, the rear projection apparatus is further provided with a sound playing device, which is used for cooperating with the content displayed by the stereoscopic projection surface 3, so as to bring a fuller and more vivid viewing effect to the audience.
To sum up, the utility model provides a rear projector, including mount, projector and stereographic projection face, the projector set up in on the mount, the stereographic projection face with the mount is connected, the stereographic projection face is located on the extending direction of the projection line of projector, just the stereographic projection face can cover the projector is in projection range on the stereographic projection face. Through the use of the stereoscopic projection surface, the rear projection device can project the content projected by the projector on the stereoscopic projection surface matched with the projection content, for example, when the projection content is a human face image, the stereoscopic projection surface can be a stereoscopic human face projection surface, the stereoscopic human face projection surface can simulate the stereoscopic outline of human face five sense organs, and when the human face projection image is projected on the stereoscopic human face projection surface, a more vivid and stereoscopic projection effect can be achieved. Furthermore, the utility model discloses still carry out the multidimension degree through the alignment jig to the projector position and adjust to realized the adjustment the projector is in projection angle and projection distance on the stereographic projection face to reach the best projection effect.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A rear projection device is characterized by comprising a fixed frame, a projector and a stereoscopic projection surface, wherein the projector is arranged on the fixed frame, the stereoscopic projection surface is connected with the fixed frame, the stereoscopic projection surface is positioned in the extending direction of a projection line of the projector, and the stereoscopic projection surface can cover the projection range of the projector on the stereoscopic projection surface.
2. A rear projection apparatus as recited in claim 1, wherein the stereoscopic projection surface includes a predetermined projection surface and a fixing frame, the fixing frame being attached to the fixing frame and inclined with respect to the fixing frame, the predetermined projection surface being attached to the fixing frame.
3. A rear projection apparatus as claimed in claim 2, characterized in that the fixing frame is located on a side of the predetermined projection surface adjacent to the projector, and edges of the predetermined projection surface are connected to the fixing frame.
4. A rear projection apparatus as claimed in claim 2, wherein the fixing frame is made of a transparent material, a transparent opening is formed in the fixing frame, and the projection line of the projector is projected to the predetermined projection surface through the transparent opening.
5. A rear projection apparatus as claimed in claim 1, wherein the fixing frame is provided with an adjustment frame, the adjustment frame comprises a fixing plate and an adjustment plate, the fixing plate is connected to the fixing frame, the adjustment plate is slidably connected to the fixing plate, and the projector is slidably connected to the adjustment plate.
6. A rear projection apparatus as claimed in claim 5, wherein the adjustment plate comprises a lateral adjustment plate and two longitudinal adjustment plates, the lateral adjustment plate and the fixing plate are connected, the longitudinal adjustment plates are respectively disposed at two ends of the lateral adjustment plate and are both turned over with respect to the lateral adjustment plate, and the two longitudinal adjustment plates are located on the same side of the lateral adjustment plate.
7. A rear projection device as claimed in claim 6, wherein the longitudinal adjustment plate is provided with a first sliding slot extending in an extending direction of the longitudinal adjustment plate and a connecting rod slidably connected to the first sliding slot, and the projector is connected to the connecting rod.
8. A rear projection apparatus as claimed in claim 7, wherein a connecting plate is provided on the projector, a second sliding groove is provided on the connecting plate, the connecting rod passes through the second sliding groove and the first sliding groove to connect the connecting plate with the longitudinal adjustment plate, and the connecting rod is slidable with respect to the second sliding groove.
9. A rear projection apparatus as claimed in claim 6, wherein the fixing plate further has a third sliding slot and a fixing rod, the fixing rod is located in the third sliding slot and connected to the fixing frame, and the third sliding slot extends along a direction in which the fixing plate extends, so that the fixing plate can slide relative to the fixing frame.
10. A rear projection apparatus as claimed in claim 8, wherein a heat dissipating portion is further disposed on the first sliding groove, and the heat dissipating portion is located below the second sliding groove and connected to the first sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020247456.9U CN211857168U (en) | 2020-03-03 | 2020-03-03 | Rear projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020247456.9U CN211857168U (en) | 2020-03-03 | 2020-03-03 | Rear projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211857168U true CN211857168U (en) | 2020-11-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020247456.9U Active CN211857168U (en) | 2020-03-03 | 2020-03-03 | Rear projection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211857168U (en) |
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2020
- 2020-03-03 CN CN202020247456.9U patent/CN211857168U/en active Active
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