CN205787359U - Digital micromirror device chip position limiting structure, fixed structure and lighting apparatus component - Google Patents
Digital micromirror device chip position limiting structure, fixed structure and lighting apparatus component Download PDFInfo
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- CN205787359U CN205787359U CN201620685650.9U CN201620685650U CN205787359U CN 205787359 U CN205787359 U CN 205787359U CN 201620685650 U CN201620685650 U CN 201620685650U CN 205787359 U CN205787359 U CN 205787359U
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- limited post
- digital micromirror
- micromirror device
- device chip
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Abstract
This utility model provides a kind of digital micromirror device chip position limiting structure, fixed structure and lighting apparatus component.Wherein, digital micromirror device chip position limiting structure includes: digital micromirror device chip, and described digital micromirror device chip is interval with spacing circular hole and spacing elongated hole；Attachment structure, described attachment structure is provided with the first limited post and the second limited post, described first limited post is located in described spacing circular hole, described second limited post is located in described spacing elongated hole, distance between described first limited post and the second limited post is more than the distance between described spacing circular hole and spacing elongated hole, the diameter of described first limited post is less than the diameter of described spacing circular hole and has the first difference, the diameter of described second limited post is less than the width of described spacing elongated hole and has the second difference, described first difference and the second difference are more than or equal to 0.1 millimeter and less than or equal to 1 millimeter.This utility model is beneficial to improve the quality of projected picture.
Description
Technical field
This utility model relates to imaging device technology, particularly relates to a kind of digital micromirror device chip position limiting structure, fixes
Structure and lighting apparatus component.
Background technology
Core component in Color Laser Projection Technology is DMD (Digital Micromirror Devices, letter
Claim DMD) chip, be provided with in dmd chip multiple with array way arrangement reflecting mirror, each reflecting mirror respectively with laser
A pixel correspondence in projection screen, in practical work process, after light beam of light source is radiated on each reflecting mirror, controls
Each reflecting mirror, according to the eigenvalue on each pixel in picture to be shown, is controlled by device so that each reflecting mirror
Carrying out the rotation of different angles, according to the difference of the anglec of rotation, the light beam of light source being radiated on each reflecting mirror is reflected onto mirror
Head or light absorption units, reflex to the light beam of camera lens for showing picture to be shown.
DMD fixed structure generally includes attachment structure, dmd chip, driving plate and radiator, and the dmd chip back side is provided with many
Individual pin, dmd chip is inserted by pin and drives in the jack that plate is corresponding, it is achieved dmd chip and the connection driving plate, drives plate
It is provided with perforation with radiator, by wearing bolt in driving the perforation of plate and radiator, and makes in bolt and attachment structure
Screwed hole connect, make attachment structure, drive plate and radiator to be sequentially connected with and relative localization.Wherein, dmd chip is provided with many
Hole, individual location, attachment structure is provided with multiple locating dowel, hole, location and locating dowel one_to_one corresponding, connects in attachment structure and driving plate
Under the state connect, locating dowel is located in the hole, location of correspondence, makes dmd chip and attachment structure in the circumference of locating dowel and radial direction
Upper relative localization.
Owing to DMD fixed structure has been usually present error when reality processing and assembling, the inclined of dmd chip therefore can be caused
Tiltedly, so that right low left high or left low right high situation occurs in projected picture, the quality of projected picture is affected.
Utility model content
This utility model provides a kind of digital micromirror device chip position limiting structure, fixed structure and lighting apparatus component, is beneficial to
Improve the quality of projected picture.
On the one hand this utility model provides a kind of digital micromirror device chip position limiting structure, including:
Digital micromirror device chip, described digital micromirror device chip is interval with spacing circular hole and spacing elongated hole；
Attachment structure, described attachment structure is provided with the first limited post and the second limited post, and described first limited post wears
In described spacing circular hole, described second limited post is located in described spacing elongated hole, described first limited post and second spacing
Distance between post is more than the distance between described spacing circular hole and spacing elongated hole, and the diameter of described first limited post is less than described
The diameter of spacing circular hole also has the first difference, and the diameter of described second limited post is less than the width of described spacing elongated hole and has
Second difference, described first difference and the second difference are more than or equal to 0.1 millimeter and less than or equal to 1 millimeter.
Described digital micromirror device chip position limiting structure, it is preferred that described first difference and the second difference are 0.4 milli
Rice.
Described digital micromirror device chip position limiting structure, it is preferred that described digital micromirror device chip is centrally located at
Between described spacing circular hole and spacing elongated hole and with the center of circle of described spacing circular hole and the center conllinear of described spacing elongated hole.
Described digital micromirror device chip position limiting structure, it is preferred that described digital micromirror device chip is rectangular-shaped piece, institute
State spacing circular hole and be positioned at the first corner of described rectangular-shaped piece, described spacing elongated hole be positioned at described rectangular-shaped piece with described first turn
The second corner that angle is relative.
Described digital micromirror device chip position limiting structure, it is preferred that the center of circle of described spacing circular hole is positioned at described spacing
On the extended line of the length direction centrage of elongated hole.
Described digital micromirror device chip position limiting structure, it is preferred that described first limited post and the axle of the second limited post
Distance between centers of tracks is equal to the distance between the center of circle and the center of described spacing elongated hole of described spacing circular hole.
On the other hand this utility model provides a kind of digital micromirror device chip fixed structure, including driving plate, radiator
With digital micromirror device chip position limiting structure provided by the utility model；
Described driving plate is connected with described digital micromirror device chip, and described driving plate is provided with the first perforation, described heat radiation
Device is provided with the second perforation, and described attachment structure is provided with screwed hole, is equipped with bolt, institute in described first perforation and the second perforation
State bolt to threaded with described screwed hole, so that described attachment structure, driving plate, radiator are sequentially connected with and relative localization；
The diameter of described first perforation more than the diameter of described bolt and has the 3rd difference, described 3rd difference more than or
Equal to described first difference, and described 3rd difference is more than or equal to described second difference.
This utility model another further aspect provides a kind of lighting apparatus component, including DMD provided by the utility model
Chip fixing structure.
Based on above-mentioned, a kind of digital micromirror device chip position limiting structure that this utility model embodiment provides, due to first
Distance between limited post and the second limited post is more than distance between spacing circular hole and spacing elongated hole, and the first limited post is straight
Footpath is less than the diameter of spacing circular hole and has the first difference, and the diameter of the second limited post is less than the width of spacing elongated hole and has the
Two differences, the first difference and the second difference, more than or equal to 0.1 millimeter and less than or equal to 1 millimeter, therefore, make digital micro-mirror
Before device chip positions with attachment structure, can be by the movement in spacing circular hole of first limited post or rotation and the second limit
Position post movement in spacing elongated hole or rotate the position adjusting and correcting digital micromirror device chip, at DMD
After the position correction of chip, digital micromirror device chip and attachment structure relative localization can be made by positioning link.By
Gap pair between the gap that can utilize between the first limited post and spacing circular hole and the second limited post and spacing elongated hole
The position of digital micromirror device chip is adjusted and corrects, such that it is able to avoid because digital micromirror device chip position inclined
Tiltedly cause and make projected picture that right low left high or left low right high situation to occur, be beneficial to improve the quality of projected picture.
Accompanying drawing explanation
The structural representation of a kind of digital micromirror device chip position limiting structure that Fig. 1 provides for this utility model embodiment；
Fig. 2 is A portion enlarged drawing；
Fig. 3 is B portion enlarged drawing；
The structural representation of a kind of digital micromirror device chip fixed structure that Fig. 4 provides for this utility model embodiment.
Reference:
101: digital micromirror device chip；102: spacing circular hole；
103: spacing elongated hole；201: attachment structure；
202: the first limited posts；203: the second limited posts；
204: screwed hole；301: drive plate；
302: the first perforation；401: radiator；
402: the second perforation；501: bolt.
Detailed description of the invention
Refer to Fig. 1-3, this utility model embodiment provides a kind of digital micromirror device chip position limiting structure, including: number
Word micro mirror element chip 101, described digital micromirror device chip 101 is interval with spacing circular hole 102 and spacing elongated hole 103；
Attachment structure 201, described attachment structure 201 is provided with the first limited post 202 and the second limited post 203, described first limited post
202 are located in described spacing circular hole 102, and described second limited post 203 is located in described spacing elongated hole 103, and described first
Distance between limited post 202 and the second limited post 203 is more than the distance between described spacing circular hole 102 and spacing elongated hole 103,
The diameter of described first limited post 202 is less than the diameter of described spacing circular hole 102 and has the first difference, described second limited post
The diameter of 203 is less than the width of described spacing elongated hole 103 and has the second difference, described first difference and the second difference more than or
Equal to 0.1 millimeter and less than or equal to 1 millimeter.
In the present embodiment, owing to the distance between the first limited post 202 and the second limited post 203 is more than spacing circular hole 102
And the distance between spacing elongated hole 103, and the diameter of the first limited post 202 less than the diameter of spacing circular hole 102 and has first
Difference, the diameter of the second limited post 203 is less than the width of spacing elongated hole 103 and has the second difference, the first difference and second poor
Value, more than or equal to 0.1 millimeter and less than or equal to 1 millimeter, therefore, makes digital micromirror device chip 101 and attachment structure
Before 201 location, can be existed by the movement in spacing circular hole 102 of first limited post 202 or rotation and the second limited post 203
Movement in spacing elongated hole 103 or rotate the position adjusting and correcting digital micromirror device chip 101, at DMD
After the position correction of chip 101, digital micromirror device chip 101 and attachment structure 201 phase can be made by positioning link
To location.Owing to the gap between the first limited post 202 and spacing circular hole 102 and the second limited post 203 and limit can be utilized
The position of digital micromirror device chip 101 is adjusted and corrects by the gap between bit length hole 103, such that it is able to avoid because
The deflection of digital micromirror device chip 101 position causes and makes projected picture right low left high or left low right high situation occur, is beneficial to
Improve the quality of projected picture.
In the present embodiment, it is preferred that the first difference and the second difference are 0.4 millimeter.Thus, make the first limited post 202 with
The gap between gap and the second limited post 203 and spacing elongated hole 103 between spacing circular hole 102 can be beneficial to digital micro-mirror
The adjustment of device chip 101 position and there is preferable limit effect, it is simple to the assembling of digital micromirror device chip 101.
In the present embodiment, it is preferred that digital micromirror device chip 101 is centrally located at described spacing circular hole 102 and spacing
Between elongated hole 103 and with the center of circle of described spacing circular hole 102 and the center conllinear of described spacing elongated hole 103.Thus, it is more conducive to number
The adjustment of word micro mirror element chip 101 position and correction.
In the present embodiment, it is preferred that digital micromirror device chip 101 is rectangular-shaped piece, described spacing circular hole 102 is positioned at described
First corner of rectangular-shaped piece, described spacing elongated hole 103 is positioned at second turn relative with described first corner of described rectangular-shaped piece
At angle.Thus, the beneficially adjustment of digital micromirror device chip 101 position and correction, and digital micromirror device chip 101 He can be made
Attachment structure 201 is the most spacing.
In the present embodiment, it is preferred that the center of circle of spacing circular hole 102 is positioned at the length direction center of described spacing elongated hole 103
On the extended line of line.Thus, the more conducively adjustment of digital micromirror device chip 101 position and correction.
In the present embodiment, it is preferred that the axis spacing of the first limited post 202 and the second limited post 203 is equal to described spacing
Distance between the center of circle and the center of described spacing elongated hole 103 of circular hole 102.Thereby, it is possible to improve the first limited post 202 and the
The movement in spacing circular hole 102 and spacing elongated hole 103 of two limited posts 203 or the space of rotation, thus more conducively digital micro-mirror
The adjustment of device chip 101 position and correction.
Refer to Fig. 4, this utility model embodiment provides a kind of digital micromirror device chip fixed structure, including driving plate
301, radiator 401 and the digital micromirror device chip position limiting structure described in this utility model any embodiment；Described driving plate
301 are connected with described digital micromirror device chip 101, and described driving plate 301 is provided with the first perforation 302, and described radiator 401 sets
There are the second perforation 402, described attachment structure 201 to be provided with screwed hole 204, wear in described first perforation 302 and the second perforation 402
Being provided with bolt 501, described bolt 501 is threadeded with described screwed hole 204 so that described attachment structure 201, drive plate 301,
Radiator 401 is sequentially connected with and relative localization；The diameter of described first perforation 302 is more than the diameter of described bolt 501 and has
3rd difference, described 3rd difference is more than or equal to described first difference, and described 3rd difference is more than or equal to described second
Difference.
In an assembling process, digital micromirror device chip 101 is first connected to drive on plate 301, afterwards can be in the first perforation
302 and second wear bolt 501 in perforation 402, and make bolt 501 threaded with screwed hole 204, so that attachment structure 201,
Drive plate 301 and radiator 401 to be sequentially connected with, and make the first limited post 202 be located in spacing circular hole 102, the second limited post
203 are located in spacing elongated hole 103, can make spacing circular hole by the first perforation 302 with bolt 501 relative movement or rotation
102 and first limited post 202 relative movement or rotation, and can make spacing elongated hole 103 and the second limited post 203 relative movement or
Rotate such that it is able to adjust and correct the position of digital micromirror device chip 101, in the position of digital micromirror device chip 101
After correction, can screwing bolts 501, make driving plate 301 under the clamping action of attachment structure 201 and radiator 401 with even
Access node structure 201 relative localization.Owing to the distance between the first limited post 202 and the second limited post 203 is more than spacing circular hole 102 He
Distance between spacing elongated hole 103, the diameter of the first limited post 202 is less than the diameter of spacing circular hole 102 and has the first difference,
The diameter of the second limited post 203 is less than the width of spacing elongated hole 103 and has the second difference, and the first difference and the second difference are more than
Or equal to 0.1 millimeter and less than or equal to 1 millimeter, meanwhile, the diameter of the first perforation 302 is more than the diameter of bolt 501 and has
3rd difference, the 3rd difference is more than or equal to the first difference, and the 3rd difference is more than or equal to the second difference, therefore, when first
Spacing circular hole 102 and the first limited post 202 relative movement or rotation can be made when perforation 302 and bolt 501 relative movement or rotation
Turn, and can spacing elongated hole 103 and the second limited post 203 relative movement or rotation such that it is able to utilize the first perforation 302 and spiral shell
Gap between bolt 501, the gap between the first limited post 202 and spacing circular hole 102 and the second limited post 203 and spacing length
The position of digital micromirror device chip 101 is adjusted and corrects by the gap between hole 103, and then can avoid because of numeral
The deflection of micro mirror element chip 101 position causes and makes projected picture right low left high or left low right high situation occur, is beneficial to improve
The quality of projected picture.
This utility model embodiment provides a kind of lighting apparatus component, including the digital micromirror device described in this utility model embodiment
Part chip fixing structure.
In digital micromirror device chip fixed structure assembling process, digital micromirror device chip 101 is first connected to drive
On plate 301, bolt 501 can be worn in the first perforation 302 and the second perforation 402 afterwards, and make bolt 501 and screwed hole 204
Threaded, so that attachment structure 201, driving plate 301 and radiator 401 are sequentially connected with, and make the first limited post 202 be located in
In spacing circular hole 102, the second limited post 203 is located in spacing elongated hole 103, moves by the first perforation 302 is relative with bolt 501
Dynamic or rotate and can make spacing circular hole 102 and the first limited post 202 relative movement or rotation, and can make spacing elongated hole 103 and
Second limited post 203 relative movement or rotation such that it is able to adjust and correct the position of digital micromirror device chip 101, is counting
After the position correction of word micro mirror element chip 101, can screwing bolts 501, make driving plate 301 in attachment structure 201 and dissipate
With attachment structure 201 relative localization under the clamping action of hot device 401.Due between the first limited post 202 and the second limited post 203
Distance be less than spacing circular hole more than distance between spacing circular hole 102 and spacing elongated hole 103, the diameter of the first limited post 202
The diameter of 102 also has the first difference, and the diameter of the second limited post 203 is less than the width of spacing elongated hole 103 and to have second poor
Value, the first difference and the second difference are more than or equal to 0.1 millimeter and less than or equal to 1 millimeter, meanwhile, the first perforation 302 straight
Footpath is more than the diameter of bolt 501 and has the 3rd difference, and the 3rd difference is more than or equal to the first difference, and the 3rd difference more than or
Equal to the second difference, therefore, spacing circular hole 102 and the can be made when the first perforation 302 and bolt 501 relative movement or when rotating
One limited post 202 relative movement or rotation, and can spacing elongated hole 103 and the second limited post 203 relative movement or rotation, thus
Can utilize the gap between the first perforation 302 and bolt 501, gap between the first limited post 202 and spacing circular hole 102 with
And the position of digital micromirror device chip 101 is adjusted and school by the gap that second between limited post 203 and spacing elongated hole 103
Just, so can avoid because the deflection of digital micromirror device chip 101 position cause make projected picture occur right low left high or
Left low right high situation, is beneficial to improve the quality of projected picture.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (8)
1. a digital micromirror device chip position limiting structure, it is characterised in that including:
Digital micromirror device chip, described digital micromirror device chip is interval with spacing circular hole and spacing elongated hole；
Attachment structure, described attachment structure is provided with the first limited post and the second limited post, and described first limited post is located in institute
Stating in spacing circular hole, described second limited post is located in described spacing elongated hole, described first limited post and the second limited post it
Between distance more than distance between described spacing circular hole and spacing elongated hole, the diameter of described first limited post is less than described spacing
The diameter of circular hole also has the first difference, and the diameter of described second limited post is less than the width of described spacing elongated hole and has second
Difference, described first difference and the second difference are more than or equal to 0.1 millimeter and less than or equal to 1 millimeter.
Digital micromirror device chip position limiting structure the most according to claim 1, it is characterised in that described first difference and
Two differences are 0.4 millimeter.
Digital micromirror device chip position limiting structure the most according to claim 1, it is characterised in that described DMD
Chip be centrally located between described spacing circular hole and spacing elongated hole and with the center of circle of described spacing circular hole and described spacing elongated hole
Center conllinear.
Digital micromirror device chip position limiting structure the most according to claim 3, it is characterised in that described DMD
Chip is rectangular-shaped piece, and described spacing circular hole is positioned at the first corner of described rectangular-shaped piece, and described spacing elongated hole is positioned at described rectangle
Second corner relative with described first corner of part.
Digital micromirror device chip position limiting structure the most according to claim 4, it is characterised in that the circle of described spacing circular hole
On the extended line of the length direction centrage that the heart is positioned at described spacing elongated hole.
Digital micromirror device chip position limiting structure the most according to claim 1, it is characterised in that described first limited post and
The axis spacing of the second limited post is equal to the distance between the center of circle and the center of described spacing elongated hole of described spacing circular hole.
7. a digital micromirror device chip fixed structure, it is characterised in that include driving in plate, radiator and claim 1-6
Arbitrary described digital micromirror device chip position limiting structure；
Described driving plate is connected with described digital micromirror device chip, and described driving plate is provided with the first perforation, and described radiator sets
There are the second perforation, described attachment structure to be provided with screwed hole, in described first perforation and the second perforation, are equipped with bolt, described spiral shell
Bolt is threadeded with described screwed hole, so that described attachment structure, driving plate, radiator are sequentially connected with and relative localization；
The diameter of described first perforation is more than the diameter of described bolt and has the 3rd difference, and described 3rd difference is more than or equal to
Described first difference, and described 3rd difference is more than or equal to described second difference.
8. a lighting apparatus component, it is characterised in that include the digital micromirror device chip fixed structure described in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685650.9U CN205787359U (en) | 2016-06-30 | 2016-06-30 | Digital micromirror device chip position limiting structure, fixed structure and lighting apparatus component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620685650.9U CN205787359U (en) | 2016-06-30 | 2016-06-30 | Digital micromirror device chip position limiting structure, fixed structure and lighting apparatus component |
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| CN205787359U true CN205787359U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620685650.9U Active CN205787359U (en) | 2016-06-30 | 2016-06-30 | Digital micromirror device chip position limiting structure, fixed structure and lighting apparatus component |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099265A (en) * | 2019-04-18 | 2019-08-06 | 青岛海信激光显示股份有限公司 | A kind of digital light processing projector |
| US11265521B2 (en) | 2019-04-18 | 2022-03-01 | Hisense Laser Display Co., Ltd. | Digital light processing projector |
| WO2022237696A1 (en) * | 2021-05-14 | 2022-11-17 | 华为技术有限公司 | Micromirror assembly and laser device |
-
2016
- 2016-06-30 CN CN201620685650.9U patent/CN205787359U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110099265A (en) * | 2019-04-18 | 2019-08-06 | 青岛海信激光显示股份有限公司 | A kind of digital light processing projector |
| WO2020211197A1 (en) * | 2019-04-18 | 2020-10-22 | 青岛海信激光显示股份有限公司 | Digital light processing projector |
| US11265521B2 (en) | 2019-04-18 | 2022-03-01 | Hisense Laser Display Co., Ltd. | Digital light processing projector |
| WO2022237696A1 (en) * | 2021-05-14 | 2022-11-17 | 华为技术有限公司 | Micromirror assembly and laser device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200827 Address after: 266555 Qian WAN port road, Huangdao District, Qingdao, Shandong Province, No. 218 Patentee after: Qingdao Hisense Laser Display Co.,Ltd. Address before: Donghai West Road 266071 Shandong city of Qingdao province No. 17 Patentee before: HISENSE Co.,Ltd. |
|
| TR01 | Transfer of patent right |