CN208367350U - The laser projection speckle eliminating device of Simple low-cost - Google Patents
The laser projection speckle eliminating device of Simple low-cost Download PDFInfo
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- CN208367350U CN208367350U CN201821153437.9U CN201821153437U CN208367350U CN 208367350 U CN208367350 U CN 208367350U CN 201821153437 U CN201821153437 U CN 201821153437U CN 208367350 U CN208367350 U CN 208367350U
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- screen
- shape bending
- bending plate
- pasted
- laser projection
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Abstract
The utility model discloses a kind of laser projection speckle eliminating devices of Simple low-cost, including screen (1) and round flat-typed vibration motor (3), L shape bending plate (2), the circle flat-typed vibration motor (3) is pasted on a side plate of L shape bending plate (2), and another side plate of the L shape bending plate (2) is pasted on screen (1) back side.The utility model pastes the motor in laser projection speckle eliminating device using L shape bending plate perpendicular to screen, increases amplitude with this and improves stickup reliability.The utility model is designed reasonably has the application of good market and promotional value.
Description
Technical field
The utility model belongs to laser dissipation spot field, specially a kind of laser projection of the Simple low-cost of high reliability
Speckle eliminating device can be applied in the movie theatre using laser projection.
Background technique
RGB pure laser theaters market in the country was quickly grown in recent years, although laser is as movie theatre display light source with high
Brightness, long service life, higher color display capabilities, but since laser is a kind of stronger light source of coherence, projection
It can be formed in screen surface light and dark " particle " after to screen, be referred to as speckle in industry.The presence of speckle will affect figure
The resolution ratio of picture, for a long time viewing can cause the senses of discomfort such as dizziness to reduce viewing experience.
In order to reduce speckle the usual method is that by the way of vibrating screen.There are two types of the modes for vibrating screen, and first
For the frame for vibrating fixed mask, the vibration of frame drives screen vibration to achieve the purpose that speckle is eliminated, but its disadvantage
It is there is decaying during vibration is transmitted along screen frame to screen center, leads to the vibration strong center of screen edge
It is poor, so that scattered class's eradicating efficacy of screen center is bad；Second is the applicant in the patent side of application in 2017
Formula: uniformly mounting microvibration unit at the screen back side, and vibration unit drive screen vibrates together achievees the purpose that speckle is eliminated,
This method Project Realization is simply at low cost, and speckle eradicating efficacy consistency is good.But the microvibration list that second of method uses
Member needs longer service life, frequently replaces caused cost to reduce.It is suitble to the micro-vibration unit of this use occasion, one
As using micromotor biasing vibration block mode realize that the two weight is usually no more than 10 grams；Therefore the range of choice of micromotor
It is relatively narrow: micro hollow cup motor or flat (circle) vibrating motor.Micro hollow cup motor with price advantage is to have
Brush motor, it has a short service life < and 10000 hours, and also noise can also become larger with the extension of use time, it is difficult to meet movie theatre
It is required that (electrical machinery life > 20000 hour, noise is in use without obviously increasing)；And miniature flat vibration motor (circle
Shape), cheap and be brushless motor, service life is 10000 ~ 20000 hours longer, and noise is lower to be very suitable for movie theatre use
Speckle eliminates micro-vibration unit.
Applicant is to the screen surface roughness generally used in the market and its vibration mould under different tensioning states
Formula has carried out a large amount of test, has been found that and pastes the flat electric machine circular end face mode parallel with screen, then in its drive
The amplitude of sub-screen is relatively small, which cannot be completely eliminated scattered for the screen roughness that existing market generally uses
Spot, or single micro motor drive screen vibration to eliminate the range very little of speckle, to increase the usage quantity of vibration unit, increase
Add difficulty of construction and cost.
Applicant proposes that L-type plate adds the shock structure of flat vibration motor thus, which drives the amplitude of screen vibration
Increase, speckle elimination is more thorough, and the range that speckle is eliminated can increase by 1 ~ 3 times, greatly reduces the usage quantity drop of flat electric machine
Low difficulty of construction and later maintenance frequency.
Summary of the invention
The cost that the utility model is directed to be applied to theaters market is low, and construction maintenance is simple, and speckle eradicating efficacy is good
The miniature shake point of screen Surface Mount scattered class's cancellation scheme, propose a kind of laser projection speckle eliminating device of Simple low-cost.
The utility model adopts the following technical scheme that realization:
A kind of laser projection speckle eliminating device of Simple low-cost, including round flat-typed vibration motor and L shape bending
Plate, the vibrating motor are pasted on a side plate of L shape bending plate, and another side plate of the L shape bending plate is pasted on screen
The back side.
In use, vibrating motor is pasted on a side plate of L shape bending plate, it is to be fixed it is firm after, in L shape bending plate
Another side plate upper sticking two-faced adhesive tape.And when installing dissipation device, double-sided adhesive is directly torn, L shape bending plate is pasted onto
On screen.According to the of different sizes of screen, the vibrating motor of different number is pasted, the vibration of screen is driven eventually by motor
It is dynamic, eliminate the laser speckle that screen surface is formed.
The utility model glues the motor in laser projection speckle eliminating device using L shape bending plate perpendicular to screen
Patch, increases amplitude with this and improves stickup reliability.
The utility model is designed reasonably has the application of good market and promotional value.
Detailed description of the invention
Fig. 1 shows the structural schematic diagrams of the utility model.
In figure: 1- screen, 2-L shape bending plate, 3- circle flat-typed vibration motor, 4- double-sided adhesive, 5- glue.
Specific embodiment
Specific embodiment of the utility model is described in detail with reference to the accompanying drawing.
A kind of laser projection speckle eliminating device of Simple low-cost, including screen 1, round flat-typed vibration motor 3 and L
Shape bending plate 2, the vibrating motor 3 are pasted on a side plate of L shape bending plate 2, another side plate of the L shape bending plate 2
It is pasted on 1 back side of screen.
Further, as shown in Figure 1, vibrating motor 3(weight is less than 5 grams) L shape bending plate 2 is pasted by glue 5
On one side plate, another side plate of the L shape bending plate 2 is pasted on 1 back side of screen by double-sided adhesive 4.
When it is implemented, round flat-typed vibration motor 3, which is pasted onto L shape bending plate 2(, is preferably bent to 90 degree) one
On a side plate, be fixed with (AB) glue 5, it is to be fixed it is firm after, in the upper stickup (3M) of another side plate of L shape bending plate 2
Double-sided adhesive 4.And when installing dissipation device, double-sided adhesive is directly torn, L shape bending plate 2 is pasted on screen 1.According to
Screen it is of different sizes, the round flat-typed vibration motor 3 for pasting different number keeps laser anti-eventually by the vibration of screen 1
The face of penetrating generates certain frequency vibration, forms the speckle of boiling, alleviates astigmatism phenomenon when laser projection.
The utility model has the advantages that
1, in such a way that screen mounts micro-burst motor, speckle eradicating efficacy is uniform, and difficulty of construction is low, maintenance letter
It is single.
2, using brushless round flat-typed vibration motor, at low cost, long service life, low noise.
3, by L shape bending plate, vibrating motor is made to be vertically mounted on the back side of screen.According to the eccentric block work of vibrating motor
Make principle, the concussion direction of screen will be parallel to originally, be changed to vertical screen and shaken, improve the amplitude of vibration, make to dissipate
Spot eradicating efficacy is more obvious.
It should be pointed out that for the those skilled in the art of the art, before not departing from the utility model principle
It puts, several improvement and application can also be made, these are improved and application is also considered as the protection scope of the utility model.
Claims (2)
1. a kind of laser projection speckle eliminating device of Simple low-cost, including screen (1) and round flat-typed vibration motor
(3), it is characterised in that: including L shape bending plate (2), the circle flat-typed vibration motor (3) is pasted onto L shape bending plate (2)
On one side plate, another side plate of the L shape bending plate (2) is pasted on screen (1) back side.
2. the laser projection speckle eliminating device of Simple low-cost according to claim 1, it is characterised in that: the circle
Flat-typed vibration motor (3) is pasted on a side plate of L shape bending plate (2) by glue (5), the L shape bending plate (2) it is another
Side plate is pasted on screen (1) back side by double-sided adhesive (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153437.9U CN208367350U (en) | 2018-07-20 | 2018-07-20 | The laser projection speckle eliminating device of Simple low-cost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153437.9U CN208367350U (en) | 2018-07-20 | 2018-07-20 | The laser projection speckle eliminating device of Simple low-cost |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208367350U true CN208367350U (en) | 2019-01-11 |
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ID=64925550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821153437.9U Active CN208367350U (en) | 2018-07-20 | 2018-07-20 | The laser projection speckle eliminating device of Simple low-cost |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208367350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230438A (en) * | 2020-10-28 | 2021-01-15 | 江苏环球之星影视设备科技有限公司 | Screen speckle removing system and speckle removing method thereof |
-
2018
- 2018-07-20 CN CN201821153437.9U patent/CN208367350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112230438A (en) * | 2020-10-28 | 2021-01-15 | 江苏环球之星影视设备科技有限公司 | Screen speckle removing system and speckle removing method thereof |
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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: 20220130 Address after: 030006 workshop No.3, No.51 Zhengyang Street, Taiyuan City, Shanxi Province Patentee after: Shanxi Hanwei laser Polytron Technologies Inc. Address before: 030006 floor 3, No. 2, electronic road, high tech Zone, Taiyuan City, Shanxi Province Patentee before: SHANXI OVO LIGHT VISION PHOTOELECTRIC TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |