CN213517859U - Wall-mounted vibration screen frame structure - Google Patents
Wall-mounted vibration screen frame structure Download PDFInfo
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- CN213517859U CN213517859U CN202022075614.XU CN202022075614U CN213517859U CN 213517859 U CN213517859 U CN 213517859U CN 202022075614 U CN202022075614 U CN 202022075614U CN 213517859 U CN213517859 U CN 213517859U
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Abstract
The utility model relates to the technical field of laser light source projection screen frames, in particular to a wall-mounted vibration screen frame structure, which also comprises a plurality of groups of vertical screen stretching tubes arranged outside the upper horizontal screen stretching tube and the lower horizontal screen stretching tube, and a vibration device arranged on the upper horizontal screen stretching tube and used for effectively transmitting vibration to improve the elimination rate of laser speckles, wherein the vibration device comprises a vibration device bracket, a vibration motor arranged in the vibration device bracket, and a U-shaped reed arranged on the upper horizontal screen stretching tube, the lower horizontal screen stretching tube and the vertical screen stretching tube and matched with the vibration device bracket, the vibration motor is externally provided with a sound-proof cover, the upper horizontal screen stretching tube and the lower horizontal screen stretching tube are provided with screen stretching tube reinforcing rods, the mounting structure of the vibration transmission rods is reinforced, so that the vibration generated by the vibration device is more effectively transmitted to the peripheral screen stretching tubes when the vibration screen frame works, the mode of transmitting vibration to the screen by the integral screen stretching pipe is adopted, so that the laser speckle elimination rate can reach more than 90%.
Description
Technical Field
The utility model relates to a laser source projection screen frame technical field specifically is a wall-hanging vibration screen frame structure.
Background
With the development of social economy and film technology, film projectors are developed from film projection in the past to digital projection, and then the laser light source projection technology is widely applied to cinemas nowadays, and the laser light source projection technology gradually occupies the film projection market by the industrial advantages of excellent color reproduction, vividness, long service life, high image resolution and the like.
Meanwhile, more and more people are pursuing on-demand cinema equipment which can experience cinema effects without leaving home, and commercial cinemas are also starting to introduce various miniature film watching suites or miniature movie showrooms to meet the more and more diversified film watching requirements of people.
If the Chinese patent application No. 201821131848.8 discloses a novel wall-mounted reversed-wrapped screen frame structure, the screen frame body is suitable for various small projection spaces, such as common family rooms, private projection halls and other places, can be hung on various walls, and can also be supported on the ground by small vertical frame pieces.
However, due to the technical limitations of the laser projectors at the present stage, granular dazzling snow spots, namely laser speckles, which are randomly distributed are formed after the semiconductor laser light source is projected on the surface of the screen. Laser speckle can greatly affect the definition and the image quality effect of the picture, and visual fatigue is easy to generate for audiences, thereby greatly reducing the film viewing experience.
The existing methods for eliminating laser speckle mainly comprise the following technical methods:
firstly, the technology of the laser projector is upgraded, such as the application of 3P and 6P laser projectors and fluorescent powder laser projectors.
Secondly, the screen is vibrated to interfere the visual formation of the laser speckles, for example, a small motor attached to the back of the screen is used or an air disturbance mode is adopted to achieve the effect of eliminating the laser speckles by vibrating the screen.
However, the above methods have disadvantages that the equipment system is too complex, the vibration sources are too many and are easy to damage, the reliability is low, meanwhile, the vibration sources are distributed and dispersed, the speckle eliminating effect is not uniform, and the above methods for eliminating the laser speckles are difficult to suppress the equipment noise, thereby influencing the sound effect of the cinema projection.
In summary, for the defects of the prior art, a vibration screen structure with uniform speckle elimination effect, simple system structure, high device reliability and capability of suppressing device noise is needed to solve the deficiencies of the prior art.
Disclosure of Invention
In order to solve the above problem, the utility model provides a wall-hanging vibration screen frame structure.
The utility model provides a wall-hanging vibration screen curtain frame structure, includes that the upside level stretches tight the screen pipe and the downside level stretches tight the screen pipe, still including setting up two perpendicular screen pipes that stretch tight of the screen pipe both sides are stretched to the upside level and the downside level, install and be used for effectively transmitting the vibration and improve the vibrating device of laser speckle elimination rate on the screen pipe is stretched to the upside level, vibrating device include vibrating device support, set up vibrating motor in the vibrating device support, set up and stretch tight screen pipe, downside level at the upside level and stretch tight on the screen pipe perpendicularly and with vibrating device support complex U type reed, vibrating motor's outside be provided with and be used for syllable-dividing sound-proof housing.
A group of stretched screen pipe reinforcing rods for enhancing the structural rigidity of the stretched screen pipes are arranged on the back surface of the screen and far away from the upper side in the horizontal stretched screen pipe direction.
The upper side horizontal screen stretching pipe, the lower side horizontal screen stretching pipe and the vertical screen stretching pipe are connected with each other through arc angle joints.
The sound-proof cover is made of sound-proof felt and sound-absorbing cotton.
The upper horizontal screen stretching pipe and the screen stretching pipe reinforcing rod form a truss structure.
The curtain stretching pipe reinforcing rod is parallel to the upper horizontal curtain stretching pipe and has the same length with the upper horizontal curtain stretching pipe.
And a vibration transmission rod for effectively transmitting the vibration energy of the vibration device on the upper horizontal screen stretching pipe to the lower horizontal screen stretching pipe is arranged between the upper horizontal screen stretching pipe and the lower horizontal screen stretching pipe.
One end of the vibration transmission rod is fixed at the mounting position of the upper horizontal curtain stretching pipe of the vibration device or beside the mounting position of the vibration device, and the other end of the vibration transmission rod is fixed with the lower horizontal curtain stretching pipe.
The lower end of the U-shaped reed is provided with a fixed cross rod which is fixed on the back wall and used for providing supporting and fixing force through connecting bottom feet.
The other end of the U-shaped reed is fixed on the upper side horizontal curtain stretching pipe and the lower side horizontal curtain stretching pipe.
The bottom end of the screen is provided with an electrical control box which is electrically connected with the vibration device and can control the vibration device to start and stop and change the running speed of the vibration device so as to achieve the purpose of controlling the vibration frequency and the amplitude of the screen.
The utility model has the advantages that: the installation structure that is provided with on upside level stretch tight screen pipe and downside level stretch tight screen pipe and stretches tight screen pipe stiffener, vibration transmission pole strengthens for the vibration curtain frame is at the during operation, and the screen picture does not take place to warp, and can stretch tight screen pipe all around with the more effectual transmission of vibration that vibrating device produced, adopts whole stretch tight screen pipe to the mode of screen transmission vibration, makes the screen ripples of shaking continuous, makes laser speckle elimination rate can reach more than 90%.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the assembly structure of the vibration device of the present invention;
FIG. 2 is a schematic structural view of the vibration device of the present invention;
FIG. 3 is a schematic structural view of the fixed rear wall of the upper horizontal curtain stretching pipe and the lower horizontal curtain stretching pipe of the utility model;
fig. 4 is a schematic view of the front view structure of the vibrating device of the present invention;
fig. 5 is a schematic top view of the vibrating device of the present invention;
FIG. 6 is a schematic side view of the vibrating device of the present invention;
description of the drawings: 1. an upper horizontal screen stretching pipe; 2. a lower horizontal screen stretching pipe; 3. a vertical curtain stretching tube; 4. a taut screen tube stiffener; 5. a vibration device mount; 6. a U-shaped reed; 7. a sound-proof housing; 8. a vibration transfer rod; 9. A rear wall; 10. footing; 11. fixing the cross bar; 12. an electrical control box; 13. a circular arc angle joint; 14. a vibration motor.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, and the utility model is further explained below.
As shown in fig. 1 to 6, a wall-hanging vibration screen frame structure, including upside level stretch tight screen pipe 1 and downside level stretch tight screen pipe 2, still including setting up two perpendicular screen pipes 3 that stretch tight screen pipe 1 and downside level stretch tight screen pipe 2 both sides at upside level, install and be used for effectively transmitting the vibration and improve the vibrating device of laser speckle elimination rate on upside level stretches tight screen pipe 1, vibrating device include vibrating device support 5, set up vibrating motor 14 in vibrating device support 5, set up and stretch tight screen pipe 1, downside level stretch tight screen pipe 2 and vertically stretch tight screen pipe 3 on and with vibrating device support 5 complex U type reed 6, vibrating motor 14's outside be provided with and be used for noise proof sound-proof housing 7.
The upper side horizontal screen stretching pipe 1, the lower side horizontal screen stretching pipe 2 and the vertical screen stretching pipe 3 are arranged according to the size of the screen.
As shown in fig. 1, reference symbol a denotes a vibration device.
The sound insulation cover 7 is arranged outside the motor of the vibration device, and the sound insulation or sound absorption material is attached to the sound insulation cover 7, so that the running noise of the equipment can be effectively reduced, the running noise of the vibration curtain can be controlled below 40 decibels in an audience area, and the regulation of the standards of star-level division and evaluation of movie theaters is met.
The available fastener of U type reed 6 one end connect on fixed horizontal pole 11, this fixed horizontal pole 11 is connected fixedly by even wall footing 10 and back wall 9, the available fastener of the other end is connected on upside level is stretched a curtain pipe 1 and downside level and is stretched a curtain pipe 2, and the fastener on this U type reed 6 can set up a rotatory round pin axle, with the installation direction who changes the fastener, make U type reed 6 adapt to upside level simultaneously and stretch a curtain pipe 1 and the installation that downside level was stretched a curtain pipe 2, and this U type reed 6 stretches a curtain pipe 1 with upside level, downside level stretches a curtain pipe 2, fixed horizontal pole 11 links to each other the back, it only can make a round trip to vibrate along the normal direction of screen face to restrict upside level and stretch a curtain pipe 1 and downside level and stretch a curtain pipe 2.
The sound-proof cover 7 is made of sound-proof felt and sound-absorbing cotton.
The installation structure that is provided with on the upside level stretches tight screen pipe 1 and stretches tight screen pipe stiffener 4, vibration transmission pole 8 strengthens for the vibration screen frame is at the during operation, and the screen picture does not take place to warp, and can stretch tight screen pipe all around with the more effective transmission of the vibration that vibrating device produced, adopts the whole mode of stretching tight screen pipe to screen transmission vibration, makes the screen vibration wave continuous, makes laser speckle elimination ratio can reach more than 90%.
A group of screen stretching pipe reinforcing rods 4 used for enhancing the structural rigidity of the screen stretching pipes are arranged on the back of the screen and far away from the upper side horizontal screen stretching pipe 1.
The upper side horizontal screen stretching pipe 1, the lower side horizontal screen stretching pipe 2 and the vertical screen stretching pipe 3 are connected with each other through an arc angle joint 13.
The upper horizontal screen stretching pipe 1 and the screen stretching pipe reinforcing rod 4 form a truss structure.
The curtain stretching pipe reinforcing rod 4 is parallel to the upper horizontal curtain stretching pipe 1 and has the same length.
And a vibration transmission rod 8 for effectively transmitting the vibration energy of the vibration device on the upper horizontal screen stretching pipe 1 to the lower horizontal screen stretching pipe 2 is arranged between the upper horizontal screen stretching pipe 1 and the lower horizontal screen stretching pipe 2.
One end of the vibration transmission rod 8 is fixed at the mounting position of the upper horizontal screen stretching pipe 1 of the vibration device or beside the mounting position of the vibration device, and the other end of the vibration transmission rod 8 is fixed with the lower horizontal screen stretching pipe 2.
One end of the U-shaped spring 6 is provided with a fixed cross bar 11 which is fixed on the back wall 9 and is used for providing supporting and fixing force through a connecting bottom foot 10.
The other end of the U-shaped reed 6 is fixed on the upper side horizontal screen stretching pipe 1 and the lower side horizontal screen stretching pipe 2.
The bottom end of the screen is provided with an electrical control box 12 which is electrically connected with the vibrating device and can control the starting and stopping of the vibrating device and change the running speed of the vibrating device so as to achieve the purpose of controlling the vibration frequency and the amplitude of the screen.
The electric control box 12 can be associated with a TMS system of a cinema to achieve the purpose of automatic control, and is provided with a remote controller for connecting the electric control box 12 in a long distance to control the start and stop of the vibration curtain frame system.
The utility model discloses a use method: the vibrating device is arranged on the upper side horizontal screen stretching pipe 1, a horizontal screen stretching pipe reinforcing rod 4 is arranged in the direction away from the upper side horizontal screen stretching pipe 1 on the back of the screen, the screen stretching pipe reinforcing rod 4 is parallel to the upper side horizontal screen stretching pipe 1 and is as long as the screen picture, the screen stretching pipe reinforcing rod 4 is connected and fixed with the upper side horizontal screen stretching pipe 1, and the screen stretching pipe reinforcing rod 4 and the upper side horizontal screen stretching pipe 1 of the screen frame form a truss structure so as to enhance the structural rigidity of the screen stretching pipe; later with the U-shaped open end of vibrating device support 5 of vibrating device, be fixed in on the curtain pipe stiffener 4 of stretching tight, set up a straight tube simultaneously, vibration transmission pole 8 promptly, one end is stretched tight 1 mounted position department of curtain pipe or is fixed by vibrating device mounted position at vibrating device's upside level, the other end is stretched tight curtain pipe 2 with the downside level and is fixed mutually, and vibration transmission pole 8 is on a parallel with the perpendicular curtain pipe 3 of stretching tight of the left and right sides, when making the reinforcing stretch tight curtain pipe overall structure intensity, can stretch the effectual transmission of vibration energy of the vibrating device of curtain pipe 1 to the downside level and stretch tight on the curtain pipe 2.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a wall-hanging vibration screen frame structure, includes that upside level stretches tight screen pipe (1) and downside level stretch tight screen pipe (2), its characterized in that: the device is characterized by further comprising two vertical stretched curtain pipes (3) arranged at two sides of the upper horizontal stretched curtain pipe (1) and the lower horizontal stretched curtain pipe (2), and a vibration device arranged on the upper horizontal stretched curtain pipe (1) and used for effectively transmitting vibration to improve the laser speckle elimination rate, wherein the vibration device comprises a vibration device bracket (5), a vibration motor (14) arranged in the vibration device bracket (5), and U-shaped reeds (6) which are arranged on the upper horizontal stretched curtain pipe (1), the lower horizontal stretched curtain pipe (2) and the vertical stretched curtain pipe (3) and matched with the vibration device bracket (5), and a sound-proof cover (7) used for sound insulation is arranged outside the vibration motor (14); the upper side horizontal stretched curtain pipe (1), the lower side horizontal stretched curtain pipe (2) and the vertical stretched curtain pipe (3) are connected with each other through an arc angle joint (13), and the soundproof cover (7) is made of a soundproof felt and a sound-absorbing cotton-type sound-absorbing material.
2. A wall mountable vibrating screen carrier structure as defined in claim 1, further comprising: a group of stretched screen pipe reinforcing rods (4) used for enhancing the structural rigidity of the stretched screen pipes are arranged on the back of the screen and far away from the upper side horizontal stretched screen pipe (1).
3. A wall mountable vibrating screen carrier structure as defined in claim 2, wherein: the upper side horizontal screen stretching pipe (1), the lower side horizontal screen stretching pipe (2) and the screen stretching pipe reinforcing rod (4) form a truss structure.
4. A wall mountable vibrating screen carrier structure as defined in claim 2, wherein: the curtain stretching pipe reinforcing rod (4) is parallel to the upper horizontal curtain stretching pipe (1) and has the same length.
5. A wall mountable vibrating screen carrier structure as defined in claim 2, wherein: and a vibration transmission rod (8) for effectively transmitting the vibration energy of the vibration device on the upper side horizontal stretched curtain pipe (1) to the lower side horizontal stretched curtain pipe (2) is arranged between the upper side horizontal stretched curtain pipe (1) and the lower side horizontal stretched curtain pipe (2).
6. The wall hanging type vibrating screen frame structure of claim 5, wherein: one end of the vibration transmission rod (8) is fixed at the mounting position of the upper horizontal curtain stretching pipe (1) of the vibration device or beside the mounting position of the vibration device, and the other end of the vibration transmission rod (8) is fixed with the lower horizontal curtain stretching pipe (2).
7. The wall hanging type vibrating screen frame structure of claim 5, wherein: the lower end of the vibration device bracket (5) is provided with a fixed cross rod (11) which is fixed on the rear wall (9) and used for providing supporting and fixing force through a connecting bottom foot (10).
8. A wall mountable vibrating screen carrier structure as defined in claim 2, wherein: the other end of the U-shaped reed (6) is fixed on the upper horizontal screen stretching pipe (1) and the lower horizontal screen stretching pipe (2).
9. A wall mountable vibrating screen carrier structure as defined in claim 1, further comprising: the bottom end of the screen is provided with an electrical control box (12) which is matched with the vibration device and is used for controlling the vibration device to start and stop and changing the running speed of the vibration device so as to achieve the purpose of controlling the vibration frequency and the amplitude of the screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075614.XU CN213517859U (en) | 2020-09-21 | 2020-09-21 | Wall-mounted vibration screen frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022075614.XU CN213517859U (en) | 2020-09-21 | 2020-09-21 | Wall-mounted vibration screen frame structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213517859U true CN213517859U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022075614.XU Active CN213517859U (en) | 2020-09-21 | 2020-09-21 | Wall-mounted vibration screen frame structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213517859U (en) |
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2020
- 2020-09-21 CN CN202022075614.XU patent/CN213517859U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230524 Address after: 241000 No. 68, Longjiang Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee after: WUHU STAR SCREEN CO.,LTD. Address before: 243000 Taibai town industrial cluster area, Ma'anshan City, Anhui Province Patentee before: ANHUI STAR SCREEN LLC |
|
| TR01 | Transfer of patent right |