CN206440929U - Digital micro-mirror component installation structure and image display device - Google Patents
Digital micro-mirror component installation structure and image display device Download PDFInfo
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- CN206440929U CN206440929U CN201621141658.5U CN201621141658U CN206440929U CN 206440929 U CN206440929 U CN 206440929U CN 201621141658 U CN201621141658 U CN 201621141658U CN 206440929 U CN206440929 U CN 206440929U
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- pressing plate
- mirror component
- circuit board
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Abstract
The utility model discloses a kind of digital micro-mirror component installation structure and image display device, pressing plate, elastic component and the printed circuit board of the digital micro-mirror component are compressed for coordinating with the housing；Wherein, the pressing plate is rigidly connected with the housing, and the pressing plate and the elastic component and the printed circuit board are sequentially connected.Digital micro-mirror component installation structure disclosed in the utility model, because pressing plate is rigidly connected with housing, then pressing plate can bear moment of flexure when compressing, bending stress is produced, is deformed, and because elastic component is located between pressing plate and printed circuit board, then elastic component can compensate the deformation of pressing plate according to the elasticity of itself, moment of flexure is born so as to avoid printed circuit board, that is, avoids printed circuit board and produces bending stress, and then avoid the stability of influence digital micro-mirror component；Meanwhile, by elastic component pressing plate can be controlled to be applied to the thrust on digital micro-mirror component, further control the stability of digital micro-mirror component.
Description
It is on April 27th, 2016, the division of the utility model of Application No. 201620361997.8 applying date that the application, which is,
Application.
Technical field
The utility model is related to digital light processing technology field, is installed more specifically to a kind of digital micro-mirror component
Structure and image display device.
Background technology
Projecting apparatus is divided into the rifle projecting apparatus of CRT tri-, LCD projector and DLP projector by its image-forming principle, wherein, DLP projections
Instrument is widely used the advantages of its primary contrast is high, machine is minimized, light path uses closed.
In DLP projector, digital micro-mirror component (Digital Micromirror Devices, abbreviation DMD) is important portion
Part.At present, the mounting structure of digital micro-mirror component mainly has two kinds, Yi Zhongwei：Printed circuit board (Printed Circuit
Board, abbreviation PCB) directly it is connected with housing by lock-screw, compress digital micro-mirror component using printed circuit board；It is another
Plant and be：Increase a pressing plate on a printed circuit board, pressing plate and housing directly by locking Stud connection, and pressing plate directly with print
Circuit board processed is abutted, so as to compress printed circuit board by pressing plate, and then compresses digital micro-mirror component.
But, in the first mounting structure, there is gap between printed circuit board and lock-screw so that printed circuit board exists
Moment of flexure is born when compressing digital micro-mirror component；In second of mounting structure, there is gap between pressing plate and locking stud so that pressing plate
Moment of flexure is born when compressing digital micro-mirror component, and because pressing plate is directly abutted with printed circuit board, causes printed circuit board
Bear moment of flexure.Therefore, in above two mounting structure, when compressing digital micro-mirror component, printed circuit board is intended to bear moment of flexure,
Bending stress is produced, the stability of digital micro-mirror component is influenceed.
In summary, how to avoid printed circuit board from bearing moment of flexure, to avoid the stability for influenceing digital micro-mirror component, be
Current those skilled in the art's urgent problem to be solved.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of digital micro-mirror component installation structure, it is to avoid printed circuit
Plate bears moment of flexure, to avoid the stability for influenceing digital micro-mirror component.Another object of the present utility model, which is to provide one kind, to be had
The image display device of above-mentioned digital micro-mirror component installation structure.
In order to achieve the above object, the utility model provides following technical scheme：
A kind of digital micro-mirror component installation structure, including：Housing for supporting digital micromirror assemblies, for the shell
Body coordinates pressing plate, elastic component and the printed circuit board for compressing the digital micro-mirror component；
Wherein, the pressing plate is rigidly connected with the housing, and the pressing plate and the elastic component and the printed circuit
Plate is sequentially connected.
Preferably, the elastic component is elastomeric pad.
Preferably, the elastomeric pad is silicagel pad.
Preferably, the digital micro-mirror component installation structure also includes：The support column being fixedly linked with the housing；Its
In, the pressing plate is rigidly connected by shown support column with the housing.
Preferably, the pressing plate is rigidly connected with the support column by lock-screw.
Preferably, the support column and the housing are integral type structure.
Preferably, the printed circuit board is sheathed on the support column.
Preferably, the support column is even number, and the support column is uniformly distributed in the two ends of the pressing plate.
Preferably, the support column is at least three, and is uniformly distributed along the circumference of the pressing plate.
Based on above-mentioned offer digital micro-mirror component installation structure, the utility model additionally provides a kind of image display device,
The image display device includes：Digital micro-mirror component, the mounting structure for installing the digital micro-mirror component；Wherein, it is described
Mounting structure is the digital micro-mirror component installation structure described in above-mentioned any one.
Preferably, described image display device also includes radiator, and the radiator is installed on the pressing plate.
Preferably, described image display device is projecting apparatus.
The compression principle of digital micro-mirror component installation structure that the utility model is provided is：Rigidly connected with housing by pressing plate
Connect so that printed circuit board is pressed in digital micro-mirror component by pressing plate by elastic component, and because digital micro-mirror component is by housing
Support, then realize the clamping to digital micromirror assemblies, that is, complete the installation to digital micromirror assemblies.
The digital micro-mirror component installation structure that the utility model is provided, because pressing plate is rigidly connected with housing, then pressing plate exists
Moment of flexure can be born during compression, bending stress is produced, deforms, and because elastic component is located between pressing plate and printed circuit board,
Then elastic component can compensate the deformation of pressing plate according to the elasticity of itself, so that avoiding printed circuit board bears moment of flexure, that is, avoid
Printed circuit board produces bending stress, and then avoids the stability of influence digital micro-mirror component.
Meanwhile, the digital micro-mirror component installation structure that the utility model is provided, because elastic component is located at pressing plate and printing electricity
Between the plate of road, then by elastic component pressing plate can be controlled to be applied to the thrust on digital micro-mirror component, further control numeral
The stability of micromirror assemblies.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new
The embodiment of type, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to carrying
The accompanying drawing of confession obtains other accompanying drawings.
The structural representation for the digital micro-mirror component installation structure that Fig. 1 provides for the utility model embodiment.
In figure 1 above：
1 it is digital micro-mirror component, 11 be digital micro-mirror body, 12 be mounting seat, 2 be support column, 3 is printed circuit board, 4
It is lock-screw for pressing plate, 5,6 be elastic component, 7 is housing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in figure 1, the digital micro-mirror component installation structure that the utility model embodiment is provided, including：Housing 7, printing
Circuit board 3, elastic component 6 and pressing plate 4；Wherein, housing 7 is used to support digital micromirror assemblies 1, pressing plate 4, elastic component 6 and printing electricity
Road plate 3, which is used to coordinate with housing 7, compresses digital micro-mirror component 1.Specifically, pressing plate 4 is rigidly connected with housing 7, pressing plate 4, elasticity
Part 6 and printed circuit board 3 are sequentially connected.It is understood that the support zone of housing 7 is in the side of digital micro-mirror component 1, print
Circuit board 3 processed, elastic component 6 and pressing plate 4 are respectively positioned on 1 opposite side of digital micro-mirror component.
The compression principle of above-mentioned digital micro-mirror component installation structure is：It is rigidly connected by pressing plate 4 with housing 7 so that pressure
Printed circuit board 3 is pressed in digital micro-mirror component 1 by plate 4 by elastic component 6, and because digital micro-mirror component 1 is by housing 7
Support, then realize the clamping to digital micromirror assemblies 1, that is, complete the installation to digital micromirror assemblies 1.
The digital micro-mirror component installation structure that the utility model embodiment is provided, because pressing plate 4 is rigidly connected with housing 7,
Then pressing plate 4 can bear moment of flexure when compressing, and produce bending stress, deform, and because elastic component is located at pressing plate 4 and printing electricity
Between road plate 3, then elastic component 6 can compensate the deformation of pressing plate 4 according to the elasticity of itself, be born so as to avoid printed circuit board 3
Moment of flexure, that is, avoid printed circuit board 3 and produce bending stress, and then avoid the stability of influence digital micro-mirror component 1.
Simultaneously as elastic component 6 is located between pressing plate 4 and printed circuit board 3, then above-mentioned digital micro-mirror component installs knot
Structure, can control pressing plate 4 to be applied to the thrust on digital micro-mirror component 1, further control digital micro-mirror group by elastic component 6
The stability of part 1.
Above-mentioned elastic component 6 can the part such as elastomeric pad, elastic, spring, for the ease of installing, prioritizing selection elastic component 6
For elastomeric pad.So, also allow for compensating the deformation of pressing plate 4.
For the type of elastomeric pad, it can need to be selected with other according to deflection.Preferably, elastomeric pad is silicon
Rubber cushion.Certainly, also selection elastomeric pad is rubber blanket, it is not limited to above-described embodiment.
For the shape of elastomeric pad, can be designed according to the shape of pressing plate 4 and printed circuit board 3, such as it is square or
Person's circle etc., the utility model embodiment is not limited this.
In order to improve the function of elastic component 6, prioritizing selection elastic component 6 is located at the middle part of printed circuit board 3.Specifically, if
Elastic component 6 is the centerline collineation of elastomeric pad, the then central axis of elastomeric pad and printed circuit board 3.It is understood that
Thickness direction extension of the center line of printed circuit board 3 along printed circuit board 3.If elastic component 6 is elastic or spring etc., bullet
Property part 6 at least two, and be uniformly distributed along annulus, the center of the center line and printed circuit board 3 of the annulus of the formation of elastic component 6
Line is conllinear.
Certainly, the position of elastic component 6 according to the deformation of pressing plate 4, can also be adjusted, it is not limited to above-described embodiment.
In above-mentioned digital micro-mirror component installation structure, pressing plate 4 is rigidly connected with housing 7, there are various ways, for example, welds
Connect, threaded connector connection, riveting, bonding etc..Pressing plate 4 is located at side of the printed circuit board 3 away from digital micro-mirror component 1, then
Need to set the structure protruded to pressing plate 4 on housing 7, be rigidly connected with realizing with pressing plate 4.
It is rigidly connected for the ease of pressing plate 4 with housing 7, above-mentioned digital micro-mirror component installation structure also includes：It is solid with housing 7
Surely the support column 2 being connected；Wherein, pressing plate 4 is rigidly connected by support column 2 with housing 7.It is understood that pressing plate 4 and support
Post 2 is rigidly connected.
Preferably, above-mentioned pressing plate 4 is rigidly connected with support column 2 by lock-screw 5.It is understood that in support column 2
Provided with the screwed hole locked for lock-screw 5.Said structure, facilitates the installation and removal of pressing plate 4 and support column 2.Certainly,
Pressing plate 4 may be selected to be rigidly connected by welding realization with support column 2, it is not limited to above-described embodiment.
In order to simplify assembling, above-mentioned support column 2 is integral type structure with housing 7, as shown in Figure 1.So, group is simplified
Dress, facilitates production.Certainly, support column 2 also may be selected to weld with housing 7 or Nian Jie connected, it is not limited to above-mentioned implementation
Example.
Further, above-mentioned printed circuit board 3 is sheathed on support column 2, as shown in Figure 1.So, support column 2 has dual
Effect, while facilitating pressing plate 4 and housing 7 and be rigidly connected, realizes the positioning to printed circuit board 3.Specifically, support column
2 do not support the bottom surface of printed circuit board 3.It is understood that the bottom surface of printed circuit board 3 refers to that printed circuit board 3 is close
The one side of digital micro-mirror component 1.In such manner, it is possible to avoid printed circuit board 3 from bearing moment of flexure because of the active force of support column 2.It is preferred that
Ground, support column 2 is isometrical cylinder.
It for the number of above-mentioned support column 2, can according to actual needs be designed, only ensure that pressing plate 4 and housing 7
It is rigidly connected.Preferably, support column 2 is even number, and support column 2 is uniformly distributed in the two ends of pressing plate 4.Specifically, with
Support column 2 is that exemplified by two, one end of pressing plate 4 is supported by a support column 2, and the other end of pressing plate 4 is by another support column 2
Support.So that support column 2 is four as an example, one end of pressing plate 4 is supported by two support columns 2, and the other end of pressing plate 4 is propped up by two other
Dagger 2 is supported.
Certainly, support column 2 also may be selected and is at least three, and be uniformly distributed along the circumference of pressing plate 4.Specifically, it is all
The angle that support column 2 is surrounded between annular, two support columns 2 of arbitrary neighborhood is equal.
The shapes and sizes of above-mentioned pressing plate 4, can be designed according to actual needs, and the utility model embodiment is not done to this
Limit.
The digital micro-mirror component installation structure provided based on above-described embodiment, the utility model embodiment additionally provides one kind
Image display device, the image display device includes：Digital micro-mirror component, the installation knot for installing the digital micro-mirror component
Structure；Wherein, the mounting structure is the digital micro-mirror component installation structure described in above-described embodiment.
Because above-mentioned digital micro-mirror component installation structure has above-mentioned technique effect, the figure that the utility model embodiment is provided
As the image display device that display device has above-mentioned digital micro-mirror component installation structure, then the utility model embodiment is provided
With corresponding technique effect, repeat no more herein.
In above-mentioned image display device, digital micro-mirror component 1 includes：Mounting seat (socket) 12 and it is fixed on mounting seat 12
Digital micro-mirror body 11；Wherein, mounting seat (socket) 12 is abutted with printed circuit board 3, digital micro-mirror body 11 and housing 7
Abut, digital micro-mirror body 11 is abutted with housing 7 to be referred to the projection extended on housing 7 not influence digital micro-mirror body 11
The mode of light extraction is connected on the periphery of digital micro-mirror body.Mounting seat 12 has pin, mounting seat 12 and digital micro-mirror body
11 one sides abutted are electrically connected by pin with digital micro-mirror body, and the one side that mounting seat 12 is abutted with printed circuit board 3 passes through
Pin is electrically connected to the corresponding contact point on printed circuit board 3.Digital micro-mirror body 11 is usually Texas Instrument in practical application
Dmd chip, digital micro-mirror body 11 and mounting seat 12 in theory can also turn into entirety, in this case, numeral
Micromirror assemblies 11 are from can also be a part in appearance.Therefore, digital micro-mirror component 11 herein refer to by independent DMD with
Assembly after the component or DMD and socket of socket formation are integrated.
In above-mentioned image display device, in order to ensure normally to run, it is necessary to set radiator.Now, above-mentioned image is shown
Device includes radiator.Because pressing plate 4 is rigidly connected with housing 7, prioritizing selection radiator is installed on pressing plate 4 so that whole figure
As the structure of display device is more compact.Further, radiator is connected through a screw thread part and is installed on pressing plate 4.Certainly, it is also optional
Select radiator otherwise to be installed, such as welding, riveting, it is not limited to this.
Above-mentioned image display device can be projecting apparatus, microscope etc., and the utility model embodiment is to image display device
Particular type is not limited.
The foregoing description of the disclosed embodiments, enables those skilled in the art to realize or use the utility model.
A variety of modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Therefore, this practicality is new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase
Consistent most wide scope.
Claims (12)
1. a kind of digital micro-mirror component installation structure, it is characterised in that including：Housing for supporting digital micromirror assemblies (1)
(7) pressing plate (4) and elastic component (6) of the digital micro-mirror component (1), are compressed for coordinating with the housing (7)；
Printed circuit board (3), the printed circuit board (3) between the elastic component (6) and the digital micro-mirror component (1),
The printed circuit board (3) does not produce bending stress；
Wherein, the pressing plate (4) is rigidly connected with the housing (7), and the pressing plate (4) passes through the elastic component (6) and described
The digital micro-mirror component (1) is pressed on the housing (7) by printed circuit board (3).
2. digital micro-mirror component installation structure according to claim 1, it is characterised in that the elastic component (6) is elasticity
Pad.
3. digital micro-mirror component installation structure according to claim 2, it is characterised in that the elastomeric pad is silica gel
Pad.
4. digital micro-mirror component installation structure according to claim 1, it is characterised in that also include：With the housing (7)
The support column (2) being fixedly linked；Wherein, the pressing plate (4) is rigidly connected by the support column (2) with the housing (7).
5. digital micro-mirror component installation structure according to claim 4, it is characterised in that the pressing plate (4) and the branch
Dagger (2) is rigidly connected by lock-screw (5).
6. digital micro-mirror component installation structure according to claim 4, it is characterised in that the support column (2) with it is described
Housing (7) is integral type structure.
7. digital micro-mirror component installation structure according to claim 4, it is characterised in that printed circuit board (3) set
Located at the support column (2), the printed circuit board (3) can move up and down under the guiding of the support column (2).
8. digital micro-mirror component installation structure according to claim 4, it is characterised in that the support column (2) is even number
It is individual, and the support column (2) is uniformly distributed in the two ends of the pressing plate (4).
9. digital micro-mirror component installation structure according to claim 4, it is characterised in that the support column (2) is at least
Three, and be uniformly distributed along the circumference of the pressing plate (4).
10. a kind of image display device, including：Digital micro-mirror component, the mounting structure for installing the digital micro-mirror component；
Characterized in that, the mounting structure is the digital micro-mirror component installation structure described in any one in claim 1-9.
11. image display device according to claim 10, it is characterised in that also including radiator, the radiator peace
Loaded on the pressing plate (4).
12. image display device according to claim 10, it is characterised in that described image display device is projecting apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141658.5U CN206440929U (en) | 2016-04-27 | 2016-04-27 | Digital micro-mirror component installation structure and image display device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621141658.5U CN206440929U (en) | 2016-04-27 | 2016-04-27 | Digital micro-mirror component installation structure and image display device |
| CN201620361997.8U CN205721038U (en) | 2016-04-27 | 2016-04-27 | Digital micro-mirror component installation structure and image display device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620361997.8U Division CN205721038U (en) | 2016-04-27 | 2016-04-27 | Digital micro-mirror component installation structure and image display device |
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| Publication Number | Publication Date |
|---|---|
| CN206440929U true CN206440929U (en) | 2017-08-25 |
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ID=57293188
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620361997.8U Active CN205721038U (en) | 2016-04-27 | 2016-04-27 | Digital micro-mirror component installation structure and image display device |
| CN201621141658.5U Active CN206440929U (en) | 2016-04-27 | 2016-04-27 | Digital micro-mirror component installation structure and image display device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620361997.8U Active CN205721038U (en) | 2016-04-27 | 2016-04-27 | Digital micro-mirror component installation structure and image display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107315307B (en) * | 2016-04-27 | 2020-07-07 | 深圳光峰科技股份有限公司 | Digital micromirror assembly mounting structure and image display device |
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2016
- 2016-04-27 CN CN201620361997.8U patent/CN205721038U/en active Active
- 2016-04-27 CN CN201621141658.5U patent/CN206440929U/en active Active
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| CN205721038U (en) | 2016-11-23 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518055 Shenzhen integrated circuit design and application Industrial Park 401, 1089 Cha Guang road, Nanshan District, Shenzhen, Guangdong Patentee before: APPOTRONICS Corp.,Ltd. |
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| CP03 | Change of name, title or address |