CN210181834U - Portable sand painting demonstration device - Google Patents
Portable sand painting demonstration device Download PDFInfo
- Publication number
- CN210181834U CN210181834U CN201920908055.0U CN201920908055U CN210181834U CN 210181834 U CN210181834 U CN 210181834U CN 201920908055 U CN201920908055 U CN 201920908055U CN 210181834 U CN210181834 U CN 210181834U
- Authority
- CN
- China
- Prior art keywords
- image
- box body
- optical system
- demonstration
- sand painting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000010437 sandpainting Methods 0.000 title claims abstract description 36
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- 239000011521 glass Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 239000004744 fabric Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a portable sand painting demonstration device, which comprises a box body and a cover body, wherein the box body is provided with a light source and a glass plate, the cover body is provided with a white curtain, the cover body is connected with an optical system, the optical system is connected with a light pipe, the light pipe is provided with a projection device, the box body is used as a sand painting platform, when in demonstration, a sand painting is firstly drawn on the glass plate, the light source provides backlight, thereby the demonstration process is projected on the white curtain to form a first image, the optical system collects the first image and reduces the first image to form a second image, the second image is transmitted to the projection device through the light pipe, the projection device enlarges the second image to form a third image and projects the third image, thereby the sand painting demonstration is completed, the light source, the glass plate, the white curtain, the optical system, the light pipe and the projection device are integrated into the sand painting demonstration device, and the device is convenient, the installation process is greatly simplified, the debugging is convenient, the storage and transportation are convenient, the preparation time before demonstrating the sand paintings is shortened, and the use is convenient.
Description
Technical Field
The utility model relates to a presentation device, especially a portable sand paintings presentation device.
Background
The sand paintings, it is a unique art, when the demonstration, draw the sand paintings at first on the sand paintings bench, the camera is responsible for shooting the demonstration video, and send the demonstration video to the projector through communication device, the projector is again to the demonstration video projection to the projector curtain, thereby supply spectator's appreciation, because these equipment all separate comparatively far apart, therefore, before the demonstration at every turn, these equipment all need install respectively and debug, lead to the installation inconvenient, the debugging is inconvenient, it is also inconvenient, warehousing and transportation are also inconvenient, still need longer preparation time before the demonstration at every turn, in case fall down or when having lacked one of them equipment or device, the demonstration just can't be accomplished.
In addition, the image pickup effect of the camera can determine the projection effect of the projector, and the projection effect of the projector determines the viewing experience of the audience, so that the image pickup effect of the camera is good, otherwise, the viewing experience of the audience is easily influenced, and the better the image pickup effect is, which means that the higher the selling price of the camera is, the higher the demonstration cost is.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a portable sand painting demonstration device which is integrated, convenient to use and low in cost.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a portable sand painting presentation device, includes box body and lid, the lid is located the top of box body, the inside of box body is provided with the light source, the top of box body is provided with the glass board, the bottom of lid is provided with white curtain, the top of lid can be dismantled and be connected with optical system, optical system's top can be dismantled and be connected with the light pipe, the connection can be dismantled to the one end of light pipe optical system's top, the other end of light pipe is connected with projection equipment.
A telescopic device 9 is arranged between the top of the box body and the bottom of the cover body.
The projection device is a projection lens.
The projection equipment is provided with a focal length adjusting device, and a projector curtain is arranged in front of the projection equipment.
The inside of box body still is provided with audio amplifier and accumulate unit, the lateral surface of box body is provided with the USB interface, the USB interface with the audio amplifier electricity is connected.
The utility model has the advantages that: the box body of the utility model is used as a sand painting table, when in demonstration, the sand painting is firstly drawn on a glass plate, the light source provides backlight, thereby projecting the demonstration process onto the white screen cloth to form a first image, collecting the first image by the optical system, and the first image is reduced to form a second image, the second image is transmitted to the projection equipment through the light guide pipe, the projection equipment enlarges the second image to form a third image and projects the third image, the light guide pipe introduces natural light to be used as backlight of the projection equipment, thereby completing the demonstration process of the sand painting, integrating the light source, the glass plate, the white curtain, the optical system, the light pipe and the projection equipment into an integrated sand painting demonstration device, being convenient for carrying, greatly simplifying the installation process, being convenient for debugging and storage and transportation, and the preparation time of demonstrating the sand paintings is greatly shortened, the use is convenient, and the sand paintings are not easy to fall down or lack one device.
In addition, an optical system is adopted to replace a camera, and the cost of the sand painting demonstration device is reduced under the condition of ensuring a good imaging effect.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a cross-sectional view of the present invention.
Detailed Description
Referring to fig. 1, a portable sand painting demonstration device, comprising a box body 1 and a cover body 2, wherein the cover body 2 is positioned above the box body 1, a light source 3 is arranged inside the box body 1, a glass plate 4 is arranged at the top of the box body 1, the light source 3 is positioned below the glass plate 4, the light source 3 comprises an LED lamp and a reflective cup, sand is arranged at the top of the glass plate 4, a white curtain 5 is arranged at the bottom of the cover body 2, an optical system 6 is detachably connected at the top of the cover body 2, a light pipe 7 is detachably connected at the top of the optical system 6, one end of the light pipe 7 is detachably connected with the top of the optical system 6, and the other end of the light pipe 7 is connected with a projection device 8, the box body of the utility model is used as a sand painting table, when demonstrating, sand painting on the glass plate, the light source provides, because the light of the light source is transmitted linearly, the part covered by sand on the glass plate shields the light, the part not covered by sand leaks light, thereby projecting the demonstration process on the white curtain cloth to form a first image, the optical system collects the first image and reduces the first image to form a second image, the second image is transmitted to the projection equipment through the light guide pipe, the light guide pipe introduces natural light as the backlight of the projection equipment, thereby completing the demonstration process of the sand painting, the light source, the glass plate, the white curtain cloth, the optical system, the light guide pipe and the projection equipment are integrated into the sand painting demonstration device, the device is convenient to carry, greatly simplifies the installation process, the debugging, the storage and the transportation, greatly shortens the preparation time of the demonstration sand painting, is convenient to use and carry, greatly simplifies the installation process, is convenient to debug, store and transport, and greatly shortens the preparation time of the demonstration sand painting, the sand-painting demonstration device is convenient to use and not easy to fall down easily or lack one device, in addition, an optical system is adopted to replace a camera, the cost of the sand-painting demonstration device is reduced under the condition of ensuring good imaging effect, in the embodiment, the top of the cover body 2 can be connected with the optical system 6 through a clamping structure or a screw, the clamping structure comprises a convex block arranged at the top of the cover body 2 and a groove arranged at the bottom of the optical system 6, after assembly, the convex block is inserted into the groove, so that the top of the cover body 2 is detachably connected with the optical system 6, the optical system 6 is convenient to debug or replace, the top of the optical system 6 can be connected with the light guide pipe 7 through a screw thread or connected with the light guide pipe 7 through a bolt, so that the top of the optical system 6 is detachably connected with the light guide pipe 7, the optical system 6 is a system formed by combining a plurality of optical elements such as a lens, a reflector, a prism, a diaphragm and the like in a certain order.
Be provided with telescoping device 9 between the top of box body 1 and the bottom of lid 2 to change the interval between the top of box body 1 and the bottom of lid 2, make the personnel of drawing the sand paintings have sufficient operating space, telescoping device 9 can be the jack.
The projection device 8 is a projection lens, and is configured to enlarge the second image to form a third image, project the third image, and project the third image.
The projection device 8 is provided with a focal length adjusting device, a projector curtain is arranged in front of the projection device 8, and the focal length adjusting device adjusts the focal length of the projection device 8 according to actual needs, so that the image size of the third image is changed.
The inside of box body 1 still is provided with audio amplifier 10 and accumulate unit, the lateral surface of box body 1 is provided with the USB interface, the USB interface with the audio amplifier 10 electricity is connected, and accumulate unit is as internal power source, is convenient for go out the demonstration and lacks external power source's the condition, and audio amplifier 10 provides required sound when demonstrating the sand paintings, builds artistic atmosphere, and the USB interface provides the audio file for audio amplifier 10.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (5)
1. The utility model provides a portable sand painting presentation device, includes box body (1) and lid (2), lid (2) are located the top of box body (1), its characterized in that the inside of box body (1) is provided with light source (3), the top of box body (1) is provided with glass board (4), the bottom of lid (2) is provided with white curtain (5), the top of lid (2) can be dismantled and be connected with optical system (6), the top of optical system (6) can be dismantled and be connected with light pipe (7), the one end of light pipe (7) can be dismantled and be connected the top of optical system (6), the other end of light pipe (7) is connected with projection equipment (8).
2. A portable sand painting presentation device according to claim 1, characterised in that a telescopic device (9) is provided between the top of the box (1) and the bottom of the cover (2).
3. A portable sand-print presentation device according to claim 1, characterised in that the projection means (8) is a projection lens.
4. A portable sand painting presentation device according to claim 1, characterised in that the projection means (8) is provided with a focus adjustment device, and a projector screen is provided in front of the projection means (8).
5. The portable sand painting demonstration device according to claim 1, characterized in that a sound box (10) and an electricity storage unit are further arranged inside the box body (1), a USB interface is arranged on the outer side surface of the box body (1), and the USB interface is electrically connected with the sound box (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908055.0U CN210181834U (en) | 2019-06-17 | 2019-06-17 | Portable sand painting demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920908055.0U CN210181834U (en) | 2019-06-17 | 2019-06-17 | Portable sand painting demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210181834U true CN210181834U (en) | 2020-03-24 |
Family
ID=69837774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920908055.0U Expired - Fee Related CN210181834U (en) | 2019-06-17 | 2019-06-17 | Portable sand painting demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210181834U (en) |
-
2019
- 2019-06-17 CN CN201920908055.0U patent/CN210181834U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200324 |