CN109116672B - Underwater lifting projection assembly and projection device using same - Google Patents
Underwater lifting projection assembly and projection device using same Download PDFInfo
- Publication number
- CN109116672B CN109116672B CN201811225411.5A CN201811225411A CN109116672B CN 109116672 B CN109116672 B CN 109116672B CN 201811225411 A CN201811225411 A CN 201811225411A CN 109116672 B CN109116672 B CN 109116672B
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- projection screen
- projection
- channel steel
- limiting
- fixedly connected
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 86
- 239000010959 steel Substances 0.000 claims description 86
- 238000004080 punching Methods 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 6
- 230000001174 ascending effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 11
- 230000003028 elevating effect Effects 0.000 description 8
- 238000004804 winding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
-
- 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
- G03B21/54—Accessories
- G03B21/56—Projection screens
Abstract
The invention relates to the technical field of fountain waterscape devices, in particular to an underwater lifting projection assembly and a projection device using the same, wherein the projection device comprises a foundation pit dug below the water surface and a projection screen arranged in the foundation pit, and the projection screen comprises a first projection screen and a second projection screen which is connected with the first projection screen in a sliding manner and is accommodated in the first projection screen; the water projection system also comprises a lifting mechanism for controlling the second projection screen to extend or retract into the first projection screen and controlling the first projection screen to extend out of the water surface or be hidden under the water, when the projection screen is required to perform water projection performance, the projection screen hidden under the water surface is lifted out of the water surface by the lifting mechanism so as to normally perform water projection; when the projection screen is required to be hidden after the projection performance on water is finished, the projection screen is driven by the lifting mechanism to move and be received in the foundation pit below the water surface, and the projection screen is in lifting motion, so that the resistance of water is required to be overcome in the lifting process, and the equipment requirement on the lifting mechanism is also reduced.
Description
Technical Field
The invention relates to the technical field of fountain waterscape devices, in particular to an underwater lifting projection assembly and a projection device using the same.
Background
With the improvement of living standard of people, public facilities are gradually perfected. The art construction with ornamental value is increasingly presented in people's life, such as fountain, water projection, etc., and is generally built in parks or various scenic spots.
The projection screen is generally fixed on the water surface, then the projection screen is projected onto the projection screen through the projection device to display and show the screen, however, the current projection screen is fixed on the underwater base and cannot be moved, the projection screen is not always carried out, the projection effect is generally ensured to be used at night, so that the projection screen is quite abrupt when the projection screen is not projected in daytime, particularly in the north of a freezing period, the water surface can be used as an ice rink after freezing, the frozen water can not be used for the projection screen, and the projection screen protruding from the water surface occupies more water surface space at the moment, so that the space is wasted.
The Chinese patent with the bulletin number of CN205581509U discloses a projection screen assembly and a projection device using the projection screen assembly, wherein the projection screen assembly comprises a projection screen and a driving mechanism which is fixed with the projection screen and drives the projection screen to rotate in a vertical plane, and the rotation axis of the projection screen is positioned at one end of the projection screen; the projection screen is generally installed in a lake, when the projection screen is projected on water, the driving mechanism drives the projection screen to rotate to extend out of the water surface, and when the projection on water is stopped, the driving mechanism drives the projection screen to rotate and hide under the water surface, so that the projection screen is hidden and exposed.
However, when the projection screen is hidden, the projection screen is laid under water, and when the projection screen needs to be exposed, the projection screen is required to be driven to rotate by the driving mechanism so as to be erected for normal operation, but because the projection screen is large in general area, the projection screen is required to overcome the resistance of water to realize rotation in the process of erecting the projection board by the driving mechanism, and the torque of the projection screen is large in the rotation process, the projection screen is greatly limited in the setting process, and the projection screen needs to be further improved.
Disclosure of Invention
It is a first object of the present invention to provide an underwater lift projection assembly that reduces the limitations on the projection screen and facilitates the hiding and revealing of the projection screen.
The technical aim of the invention is realized by the following technical scheme:
the underwater lifting projection assembly comprises a foundation pit dug below the water surface and a projection screen arranged in the foundation pit, wherein the projection screen comprises a first projection screen and a second projection screen which is connected with the first projection screen in a sliding manner and is accommodated in the first projection screen; the device also comprises a lifting mechanism for controlling the second projection screen to extend or retract into the first projection screen and controlling the first projection screen to extend out of the water surface or be hidden under the water.
According to the technical scheme, when the projection screen is required to perform water projection performance, the projection screen hidden under the water surface is lifted out of the water surface through the lifting mechanism so as to normally perform water projection; when the projection screen is required to be hidden after the projection performance on water is finished, the projection screen is driven by the lifting mechanism to move and be received in the foundation pit below the water surface, and the projection screen is in lifting motion, so that the resistance of water is required to be overcome in the lifting process, and the equipment requirement of the lifting mechanism is also met.
The projection screen is arranged to be a first projection screen and a second projection screen which are in a containing relation, and lifting movement of the second projection screen relative to the first projection screen is realized through the lifting mechanism, so that when the projection screen is hidden under the water surface, the limitation of the depth of the foundation pit on the projection screen is further reduced.
The invention is further provided with: the foundation pit is internally provided with a first limiting assembly used for limiting the lifting path of the first projection screen, and the first projection screen is provided with a second limiting assembly used for limiting the lifting path of the second projection screen.
Through above-mentioned technical scheme, limit the lift route of first projection curtain and second projection curtain through first spacing subassembly and second spacing subassembly, improve the removal stability of projection screen lift in-process, and be convenient for control the lift height of first projection curtain and second projection curtain, improve the lift operation convenience of projection screen.
The invention is further provided with: the first limiting component comprises a plurality of trusses fixedly connected in the foundation pit, first channel steel fixedly connected to the trusses, a plurality of second channel steel fixedly connected to the non-projection side surfaces of the first projection screen and used for limiting horizontal movement of the first projection screen in a butt mode on two sides of the corresponding first channel steel, a first limiting block is fixedly connected to the first channel steel, and a second limiting block used for limiting lifting height of the first projection screen in a butt mode is fixedly connected to the second channel steel.
Through the technical scheme, when the first projection curtain moves up and down relative to the foundation pit to extend out of the water surface or hide under the water surface, the horizontal shaking of the first projection curtain is reduced through the cooperation of the first channel steel and the second channel steel, and only vertical lifting movement of the first projection curtain is caused.
The invention is further provided with: and the second channel steel extends downwards along the bottom surface direction of the foundation pit.
Through above-mentioned technical scheme, through the second channel-section steel that extends downwards along foundation ditch bottom surface direction, reduce elevating system to the lifting height of first projection curtain when realizing hiding the projection screen, reduce the requirement to elevating system.
The invention is further provided with: the second limiting component comprises a third channel steel fixedly connected to the side wall of the non-projection surface of the second projection screen, the first channel steel is internally and correspondingly connected with a fourth channel steel which is abutted to the two sides of the third channel steel and used for limiting the horizontal movement of the third channel steel so as to drive the second projection screen to vertically move only relative to the first projection screen, the fourth channel steel is internally and fixedly connected with a third limiting block used for limiting the rising height of the second projection screen relative to the first projection screen, and the third channel steel is internally and fixedly connected with a fourth limiting block used for limiting the rising height of the second projection screen due to the abutting of the third limiting block.
Through above-mentioned technical scheme, realize the restriction to second projection curtain lift in-process horizontal migration through third channel-section steel and fourth channel-section steel cooperation, and realize the high restriction of rising of second projection curtain through the cooperation of third stopper and fourth stopper, reduce the phenomenon that the second projection curtain breaks away from first projection curtain and take place, further reduce the degree of difficulty that the projection screen goes up and down to control.
The invention is further provided with: the third channel steel extends to penetrate through the first projection screen along the direction of the bottom surface of the foundation pit, and when the second projection screen is contained to the first projection screen, the distance of the third channel steel extending out of the first projection screen is equal to the lifting height of the second projection screen.
Through the technical scheme, the pressure of the second projection curtain to the first projection curtain is reduced through the prolonged third channel steel, so that the requirement of the lifting mechanism on the lifting of the second projection curtain is further reduced.
The invention is further provided with: the lifting mechanism comprises a first winch and a second winch which are arranged on the water bank, a first steel wire rope with one end fixedly connected to a first projection screen is wound on the first winch, and a plurality of first guide wheels are arranged between the first winch and the first projection screen; the second winding machine is wound with a second steel wire rope with one end fixedly connected to the second projection screen, and a plurality of second guide wheels are arranged between the second winding machine and the second projection screen.
Through the technical scheme, the first steel wire rope and the second steel wire rope are wound and unwound through the first winch and the second winch; and the reversing of the steel wire ropes is realized through the first guide wheel and the second guide wheel, and the positioning of the first steel wire ropes and the second steel wire ropes is realized, so that friction in the moving process of the first steel wire ropes and the second steel wire ropes is reduced, and the lifting resistance of the lifting device to the lifting of the first projection curtain and the second projection curtain is reduced.
The invention is further provided with: the projection screen is a punching plate.
Through the technical scheme, the punching plate has higher structural strength while reducing projection light spots, and the resistance in the moving process with water can be further reduced through the punching plate.
A second object of the present invention is to provide an underwater elevating projection apparatus, which reduces the limitation on the projection screen, and facilitates the hiding and the revealing of the projection screen.
An underwater lifting projection device comprises a plurality of underwater projection components.
The invention is further provided with: the underwater projection assemblies are arranged in a plurality of rows.
Through the technical scheme, the display of further dynamic effects is facilitated, and the ornamental value is improved.
In summary, the invention has the following beneficial effects: the invention has simple structure, reduces the requirement on the lifting mechanism, improves the stability of the projection screen when the projection screen is lifted, and enables the projection screen to be hidden under the water surface when the projection screen does not work by driving the lifting mechanism to lift.
Drawings
FIG. 1 is a schematic overall structure of embodiment 1;
FIG. 2 is a partial cross-sectional view of embodiment 1, mainly illustrating the structure of the first spacing assembly;
FIG. 3 is an enlarged view of A in FIG. 2;
fig. 4 mainly shows the position of the through hole in embodiment 1;
fig. 5 is a schematic view mainly showing a folded state of the projection screen in embodiment 1;
fig. 6 shows a schematic diagram of a display arrangement of the projection screen in embodiment 2.
Reference numerals: 1. a projection screen; 2. a first projection screen; 3. a second projection screen; 4. a cavity; 5. a lifting mechanism; 6. a first limit assembly; 7. the second limiting component; 8. truss; 9. a first channel steel; 10. a second channel steel; 11. a foundation pit; 12. a second limiting block; 13. a third channel steel; 14. a fourth channel steel; 15. a through hole; 17. a fourth limiting block; 18. a wire loop; 20. a first hoist; 21. a second hoist; 22. a first wire rope; 23. and a second wire rope.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
an underwater lifting projection assembly is shown in fig. 1, and comprises a foundation pit 11 dug below the water surface and a projection screen 1 arranged in the foundation pit 11, wherein a picture projected by a projection device is displayed and displayed by the projection screen 1, in the embodiment, the projection screen 1 is made of a punching plate, and the projection screen 1 can be arranged to be in a special shape. The punching plate has higher structural strength while reducing projection light spots, and the resistance in the moving process with water can be further reduced through the punching plate.
The projection screen 1 comprises a first projection screen 2 and a second projection screen 3, a cavity 4 is arranged in the first projection screen 2, the cavity 4 penetrates through the upper surface of the first projection screen 2, and the second projection screen 3 is accommodated in the cavity 4.
The underwater elevating projection assembly further comprises an elevating mechanism 5, wherein the elevating mechanism 5 is used for controlling the second projection screen 3 to extend or retract into the first projection screen 2 and controlling the first projection screen 2 to extend out of the water or be hidden under the water.
When the projection screen 1 is required to perform water projection performance, the projection screen 1 hidden under the water surface is lifted out of the water surface through the lifting mechanism 5 so as to normally perform water projection;
when the projection screen 1 is required to be hidden after the projection screen 1 is finished in the water projection performance, the projection screen 1 is driven by the lifting mechanism 5 to move and be received in the foundation pit 11 under the water surface, and the projection screen 1 is in lifting motion, so that the resistance of water is required to be overcome in the lifting process, and the equipment requirement of the lifting mechanism 5 is also met.
The projection screen 1 is arranged into the first projection screen 2 and the second projection screen 3 which are in a containing relation, and the lifting movement of the second projection screen 3 relative to the first projection screen 2 is realized through the lifting mechanism 5, so that the limitation of the depth of the foundation pit 11 on the projection screen 1 is further reduced when the projection screen 1 is hidden under the water surface.
In the lifting process of the lifting mechanism 5 driving the first projection screen 2 and the second projection screen 3, a first limiting component 6 is arranged in the foundation pit 11, a second limiting component 7 is arranged on the first projection screen 2, and the first limiting component 6 is used for limiting the lifting path of the first projection screen 2; the second limiting assembly 7 is used for limiting the lifting path of the second projection screen 3. Thereby improve the removal stability of projection screen 1 in-process of going up and down, and be convenient for control the lift height of first projection screen 2 and second projection screen 3, improve the lift operation convenience of projection screen 1.
As shown in fig. 2, the first limiting component 6 includes two trusses 8 fixedly connected in the foundation pit 11 through embedded parts, the end part of the truss 8, which is close to the projection screen 1, is fixedly connected with a first channel steel 9, two second channel steels 10 are symmetrically and fixedly connected on the non-projection surface of the first projection screen 2, the second channel steels 10 are coated outside the first channel steels 9, and the first channel steels 9 and the second channel steels 10 are matched to realize the limitation of the horizontal movement of the first projection screen 2.
The second channel-section steel 10 extends downwards along foundation ditch 11 bottom surface direction, so sets up, reduces elevating system 5 to the lifting height of first projection curtain 2 when realizing hiding projection screen 1, reduces the requirement to elevating system 5.
And a first limiting block (not shown in the figure) is fixedly connected to the first channel steel 9, and a second limiting block 12 which is abutted against the first limiting block and used for limiting the rising height of the first projection screen 2 is fixedly connected to the second channel steel 10.
As shown in fig. 3, the second limiting component 7 includes two third channel steels 13 symmetrically and fixedly connected to the non-projection surface side wall of the second projection screen 3, and two fourth channel steels 14 abutting against two sides of the third channel steels 13 for limiting horizontal movement of the third channel steels 13 to drive the second projection screen 3 to vertically move only relative to the first projection screen 2 are correspondingly connected in the first projection screen 2, wherein the projection surface of the second projection screen 3 abuts against the cavity wall of the cavity 4.
As shown in fig. 4, the third channel steel 13 extends along the bottom surface direction of the foundation pit 11, two through holes 15 are correspondingly formed in the first projection screen 2, the through holes 15 are communicated with the cavity 4, the third channel steel 13 extends towards the bottom surface direction close to the foundation pit 11 through the corresponding through holes 15, and when the second projection screen 3 is accommodated in the first projection screen 2, the distance that the third channel steel 13 extends out of the first projection screen 2 is equal to the lifting height of the second projection screen 3. The pressure of the second projection screen 3 on the first projection screen 2 is reduced by the prolonged third channel 13, thereby further reducing the requirement of the lifting mechanism 5 on the lifting of the second projection screen 3.
As shown in fig. 3, a third limiting block (not shown in the drawing) for limiting the lifting height of the second projection screen 3 relative to the first projection screen 2 is fixedly connected in the fourth channel steel 14, and a fourth limiting block 17 for limiting the lifting height of the second projection screen 3 by abutting the third limiting block is fixedly connected in the third channel steel 13.
As shown in fig. 1, the lifting mechanism 5 comprises a first pulling block fixedly connected in two second channel steels 10 respectively and a second pulling block fixedly connected in two third channel steels 13 respectively;
the first hoist 20 and the second hoist 21 are installed on the water bank, two first steel wire ropes 22 are wound on the first hoist 20, one ends of the two first steel wire ropes 22 are fixedly connected to the first hoist 20, the other ends of the two first steel wire ropes 22 are respectively fixed to the two first pulling blocks, and the first steel wire ropes 22 penetrate through the first limiting block and the second limiting block 12 when connected to the first pulling blocks. In order to fix the position of the first wire rope 22, a plurality of first guide wheels are arranged between the first winch 20 and the first projection screen 2, and the number and the positions of the first guide wheels are determined according to the distance and the positions of the actual field, which is not particularly limited herein;
two second steel wire ropes 23 are wound on the second winding machine 21, one ends of the two second steel wire ropes 23 are fixedly connected to the second winding machine 21, the other ends of the two second steel wire ropes 23 are respectively fixed to two second pulling blocks, a plurality of second guide wheels are arranged between the second winding machine 21 and the second projection screen 3 for fixing the positions of the first steel wire ropes 22, and the number and positions of the second guide wheels are determined according to the distance and the positions of an actual field, so that the method is not particularly limited.
As shown in fig. 3, in order to reduce friction between the second wire rope 23 and the first projection screen 2, two wire loops 18 are fixedly connected to the upper surface of the first projection screen 2, and the second wire rope 23 passes through the wire loops 18 and is fixedly connected to the second pulling block.
The first winch 20 and the second winch 21 are used for winding and unwinding the first steel wire rope 22 and the second steel wire rope 23, when the second winch 21 loosens the second steel wire rope 23, the second projection screen 3 descends under the action of gravity, and as shown in fig. 5, the second projection screen 3 is a schematic diagram of the projection screen 1 when being accommodated in the first projection screen 2; and the steering of the steel wire ropes is realized through the first guide wheel and the second guide wheel, and the positioning of the first steel wire rope 22 and the second steel wire rope 23 is realized, so that friction in the moving process of the first steel wire rope 22 and the second steel wire rope 23 is reduced, and the lifting resistance of the lifting device to the lifting of the first projection screen 2 and the second projection screen 3 is reduced.
Example 2:
an underwater lifting projection device, as shown in fig. 6, comprises five underwater projection components as in embodiment 1, wherein five foundation pits 11 are communicated, and in the five communicated foundation pits 11, the five underwater projection components are arranged in two rows at intervals, so that the further dynamic effect is convenient to present, and the ornamental value is improved.
The present embodiment is only for explanation of the present invention and is not to be construed as limiting the present invention, and modifications to the present embodiment, which may not creatively contribute to the present invention as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present invention.
Claims (8)
1. An underwater lifting projection assembly, characterized in that: the device comprises a foundation pit (11) dug below the water surface and a projection screen (1) arranged in the foundation pit (11), wherein the projection screen (1) comprises a first projection screen (2) and a second projection screen (3) which is connected with the first projection screen (2) in a sliding manner and is contained in the first projection screen (2); the device also comprises a lifting mechanism (5) for controlling the second projection screen (3) to extend or retract into the first projection screen (2) and controlling the first projection screen (2) to extend out of the water surface or be hidden under the water.
2. The underwater lift projection assembly of claim 1, wherein: the foundation pit (11) is internally provided with a first limiting component (6) used for limiting the lifting path of the first projection screen (2), and the first projection screen (2) is provided with a second limiting component (7) used for limiting the lifting path of the second projection screen (3).
3. The underwater lift projection assembly of claim 2, wherein: the first limiting component (6) comprises a plurality of trusses (8) fixedly connected in foundation pits (11), first channel steel (9) fixedly connected to the trusses (8), a plurality of second channel steel (10) fixedly connected to the non-projection side surfaces of the first projection screen (2) and being abutted to the two sides of the corresponding first channel steel (9) for limiting the horizontal movement of the first projection screen (2), and the first channel steel (9) is fixedly connected with a first limiting block, and the second channel steel (10) is fixedly connected with a second limiting block (12) abutted to the first limiting block and used for limiting the ascending height of the first projection screen (2).
4. An underwater lift projection assembly as in claim 3 wherein: the second channel steel (10) extends downwards along the bottom surface direction of the foundation pit (11).
5. The underwater lift projection assembly of claim 4, wherein: the second limiting assembly (7) comprises a third channel steel (13) fixedly connected to the side wall of the non-projection surface of the second projection screen (3), the first projection screen (2) is correspondingly connected with fourth channel steel (14) which is abutted to the two sides of the third channel steel (13) and used for limiting the horizontal movement of the third channel steel (13) so as to drive the second projection screen (3) to vertically move only relative to the first projection screen (2), a third limiting block used for limiting the rising height of the second projection screen (3) relative to the first projection screen (2) is fixedly connected to the fourth channel steel (14), and a fourth limiting block (17) used for limiting the rising height of the second projection screen (3) is fixedly connected to the third channel steel (13).
6. The underwater lift projection assembly of claim 5, wherein: the third channel steel (13) extends to penetrate through the first projection screen (2) along the bottom surface direction of the foundation pit (11), and when the second projection screen (3) is contained in the first projection screen (2), the third channel steel (13) stretches out of the first projection screen (2) by a distance equal to the lifting height of the second projection screen (3).
7. The underwater lift projection assembly of claim 5, wherein: the lifting mechanism (5) comprises a first winch (20) and a second winch (21) which are arranged on the water bank, a first steel wire rope (22) with one end fixedly connected to the first projection screen (2) is wound on the first winch (20), and a plurality of first guide wheels are arranged between the first winch (20) and the first projection screen (2); a second steel wire rope (23) with one end fixedly connected to the second projection screen (3) is wound on the second winch (21), and a plurality of second guide wheels are arranged between the second winch (21) and the second projection screen (3).
8. An underwater lift projection assembly as in any of claims 1-7 wherein: the projection screen (1) is a punching plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225411.5A CN109116672B (en) | 2018-10-20 | 2018-10-20 | Underwater lifting projection assembly and projection device using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225411.5A CN109116672B (en) | 2018-10-20 | 2018-10-20 | Underwater lifting projection assembly and projection device using same |
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| CN109116672A CN109116672A (en) | 2019-01-01 |
| CN109116672B true CN109116672B (en) | 2024-01-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110989283B (en) * | 2019-11-26 | 2020-09-29 | 张翔 | Virtual-real combined large-scale overwater light and shadow show system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06175227A (en) * | 1992-12-09 | 1994-06-24 | Toho Eizo Bijutsu:Kk | Peacock screen device |
| CN208937899U (en) * | 2018-10-20 | 2019-06-04 | 杭州西湖喷泉设备成套有限公司 | A kind of underwater lifting projecting subassembly and the projection arrangement using the component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9535313B2 (en) * | 2012-09-14 | 2017-01-03 | Scienstry, Inc. | Underwater projection |
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2018
- 2018-10-20 CN CN201811225411.5A patent/CN109116672B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06175227A (en) * | 1992-12-09 | 1994-06-24 | Toho Eizo Bijutsu:Kk | Peacock screen device |
| CN208937899U (en) * | 2018-10-20 | 2019-06-04 | 杭州西湖喷泉设备成套有限公司 | A kind of underwater lifting projecting subassembly and the projection arrangement using the component |
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| CN109116672A (en) | 2019-01-01 |
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