CN205665462U - Digital micromirror device drive plate fixed knot constructs and optical -mechanical system - Google Patents
Digital micromirror device drive plate fixed knot constructs and optical -mechanical system Download PDFInfo
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- CN205665462U CN205665462U CN201620554319.3U CN201620554319U CN205665462U CN 205665462 U CN205665462 U CN 205665462U CN 201620554319 U CN201620554319 U CN 201620554319U CN 205665462 U CN205665462 U CN 205665462U
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Abstract
The utility model provides a digital micromirror device drive plate fixed knot constructs and optical -mechanical system, wherein, digital micromirror device drive plate fixed knot structure includes: the illumination structure, the structural connecting hole that is equipped with throws light on, the digital micromirror device drive plate, be equipped with digital micromirror device chip and first perforation on the digital micromirror device drive plate, the radiator, it perforates to be equipped with the second on the radiator, flexible connectors, including connector body and elastic component, the elastic component sets up connector body is last, wherein, connector body wears to establish during connecting hole, first perforation and second are perforated, connector body with the connecting hole is connected, makes the elastic component with the radiator contacts and is right the orientation is applyed to the radiator the elastic pressure of illumination structure, thus make illumination structure, digital micromirror device drive plate and radiator connect gradually relative positioning. The utility model discloses can improve the reliability.
Description
Technical field
This utility model relates to imaging device technology, particularly relates to a kind of DMD and drives board fixing structure and light
Machine system.
Background technology
DMD (Digital Micromirror Device, DMD) chip is the core in lighting apparatus component
Part.In lighting apparatus component, laser instrument the light beam sent eventually arrives at dmd chip, dmd chip pair by a series of optical glasss
Optical signal processes, and ultimately forms image.
Existing DMD drives board fixing structure to include, and dmd chip, DMD drive plate, light structures and radiator, dmd chip
Being arranged on DMD and drive on plate, radiator, DMD drive and are equipped with multiple connecting hole, by each connecting hole on plate and light structures
In wear bolt, make radiator, DMD drive plate be connected with light structures, and DMD drive plate be positioned at radiator and light structures
Between.
Existing DMD drives in board fixing structure, owing to the nut of bolt directly applies pressure to radiator, makes radiator
DMD drives plate be pressed on light structures, therefore the little difference of the degree that screws tight of bolt will strong influence nut to dissipate
Stressed size executed by hot device, and, in installation process, the degree that screws tight of each bolt is difficult to control and it is difficult to ensure that unanimously, make
DMD drives plate relatively big by the pressure difference of radiator or in the connection position of some bolt on the link position of different bolts
Put the pressure by radiator excessive, thus easily cause DMD to drive the deformation of plate, so cause rupturing of dmd chip and
Breaking down, reliability is poor.
Utility model content
This utility model provides a kind of DMD to drive board fixing structure and optical mechanical system, to improve reliability.
On the one hand this utility model provides a kind of DMD to drive board fixing structure, including:
Light structures, described light structures is provided with connecting hole；
DMD drives plate, and described DMD drives plate to be provided with digital micromirror device chip and first
Perforation；
Radiator, described radiator is provided with the second perforation；
Flexible Connector, including connector main body and elastic component, described elastic component is arranged on described connector main body；
Wherein, described connector main body is located in described connecting hole, the first perforation and the second perforation, described connector master
Body is connected with described connecting hole, makes described elastic component contact with described radiator and applies described radiator towards described photograph
The elastic pressure of bright structure, so that described light structures, DMD drive plate to be sequentially connected with radiator and relative
Location.
Described DMD drives board fixing structure, it is preferred that described connecting hole is screwed hole, described connector
Main body includes coaxially connected nut and connects post, and described connection post is bored a hole through the first perforation and second and is screwed onto described
In screwed hole, described elastic component is clamped between described nut and radiator, so that described radiator is applied by described elastic component
Towards the elastic pressure of described light structures, so that described light structures, DMD drive plate and radiator successively
Connect and relative localization.
Described DMD drives board fixing structure, it is preferred that described connection post includes cylinder and screw rod, described
First end of cylinder is connected with described nut, and the second end of described cylinder is connected with described screw rod, and the diameter of described cylinder is more than
The diameter of described screw rod；Wherein, described screw rod is located in described first perforation and screwed hole, and described cylinder is located in described the
In two perforation, described screw rod and described screw hole, make the second end of described cylinder support described DMD and drive
Plate；Or, described screw rod is located in described screwed hole, and described cylinder is located in described first perforation and the second perforation, described
Screw rod and described screw hole, make the second end of described cylinder support described light structures.
Described DMD drives board fixing structure, it is preferred that described elastic component is spring, and described spring is sheathed
On described cylinder.
Described DMD drives board fixing structure, it is preferred that described Flexible Connector is four, connects respectively
On four angles that described DMD drives plate.
Described DMD drives board fixing structure, it is preferred that described DMD drives plate and heat radiation
Vibration-damped component it is folded with between device.
Described DMD drives board fixing structure, it is preferred that described light structures and DMD core
Being folded with dust-proof cushion between sheet, described dust-proof cushion covers the edge of described digital micromirror device chip and fills described light structures
And the space between digital micromirror device chip.
Described DMD drives board fixing structure, it is preferred that described digital micromirror device chip is arranged on institute
Stating DMD and drive the front of plate, described DMD drives plate to be provided with opening, and described opening is used for making institute
State digital micromirror device chip and be exposed to the back side of described DMD driving plate；It is micro-that described radiator is positioned at described numeral
The back side of mirror device drive plate, described radiator is provided with conducting strip, and described conducting strip wears in said opening and with described
Digital micromirror device chip contacts.
Described DMD drives board fixing structure, it is preferred that described conducting strip and digital micromirror device chip
Between be folded with heat conduction patch.
On the other hand this utility model provides a kind of optical mechanical system, including laser instrument and numeral provided by the utility model
Micro mirror element drives board fixing structure, and described laser instrument is for launching light beam to described digital micromirror device chip.
Based on above-mentioned, the DMD that this utility model provides drives board fixing structure, is worn by connector main body
It is located in the first perforation and the second perforation and is connected with connecting hole, making elastic component directly contact with radiator and radiator is executed
Add the elastic pressure towards light structures, so that radiator can drive plate and illumination knot by elastic pressure holding DMD
Structure, enables light structures, DMD to drive plate and radiator to be sequentially connected with and relative localization.Owing to radiator is elastic
Pressure holding DMD, thus without DMD being produced excessive pressure, and a little due to elastic component deformation quantity
Permitted difference and will not be caused the very big change of elastic pressure, therefore micro-when connecting light structures, numeral by multiple Flexible Connectors
When mirror device drive plate and radiator, the pressure being beneficial to make each elastic component apply each contact point on radiator is roughly the same, from
And making the word micro mirror element drive plate pressure by radiator on diverse location roughly the same, it is to avoid DMD drives
The dynamic deformation of plate and rupturing of digital micromirror device chip, decrease the generation of fault, improve reliability.
Accompanying drawing explanation
Fig. 1 drives the forward structure of board fixing structure to divide for a kind of DMD that this utility model embodiment provides
Xie Tu；
Fig. 2 drives the reverse geometry of board fixing structure to divide for a kind of DMD that this utility model embodiment provides
Xie Tu；
Fig. 3 drives the structural representation of board fixing structure for a kind of DMD that this utility model embodiment provides
Figure；
Fig. 4 drives the Flexible Connector of board fixing structure for a kind of DMD that this utility model embodiment provides
Structural representation.
Reference:
101: light structures；102: connecting hole；
103: DMD drives plate；104: digital micromirror device chip；
105: the first perforation；106: radiator；
107: the second perforation；108: connector main body；
109: elastic component；110: nut；
111: cylinder；112: screw rod；
113: vibration-damped component；114: dust-proof cushion；
115: opening；116: conducting strip；
117: heat conduction is pasted；118: Flexible Connector.
Detailed description of the invention
Refer to Fig. 1-3, this utility model embodiment provides a kind of DMD to drive board fixing structure, including:
Light structures 101, described light structures 101 is provided with connecting hole 102；DMD drives plate 103, described digital micro-mirror
Device drive plate 103 is provided with digital micromirror device chip 104 and the first perforation 105；Radiator 106, on described radiator 106
It is provided with the second perforation 107；Flexible Connector 118, including connector main body 108 and elastic component 109, described elastic component 109 is arranged
On described connector main body 108；Wherein, described connector main body 108 is located in described connecting hole the 102, first perforation 105 and
In second perforation 107, described connector main body 108 is connected with described connecting hole 102, makes described elastic component 109 and described heat radiation
Device 106 contacts and described radiator 106 is applied the elastic pressure towards described light structures 101, so that described illumination
Structure 101, DMD drive plate 103 and radiator 106 to be sequentially connected with and relative localization.
DMD in the present embodiment drives board fixing structure, is located in first by connector main body 108 and wears
It is connected in hole 105 and the second perforation 107 and with connecting hole 102, makes elastic component 109 directly contact with radiator 106 and to dissipating
Hot device 106 applies the elastic pressure towards light structures 101, so that radiator 106 can elastic pressure holding DMD
Drive plate 103 and light structures 101, make light structures 101, DMD drive plate 103 and the radiator 106 can be successively
Connect and relative localization.Due to the elastic pressure holding DMD of radiator 106, produced thus without to DMD
Big pressure, and owing to the little difference of elastic component 109 deformation quantity will not cause the very big change of elastic pressure, therefore when passing through
When multiple Flexible Connectors 118 connect light structures 101, DMD drives plate 103 and radiator 106, it is beneficial to make respectively
The pressure that each contact point on radiator 106 is applied by elastic component 109 is roughly the same, so that word micro mirror element drives plate in difference
On position, the pressure by radiator 106 is roughly the same, it is to avoid DMD drives the deformation of plate 103 and numeral micro-
Rupturing of mirror device chip 104, decreases the generation of fault, improves reliability.
Refer to Fig. 4, in the present embodiment, it is preferred that described connecting hole 102 is screwed hole, and described connector main body 108 wraps
Including coaxially connected nut 110 and connect post, described connection post passes the first perforation 105 and the second perforation 107 and is screwed onto institute
Stating in screwed hole, described elastic component 109 is clamped between described nut 110 and radiator 106, so that described elastic component 109 is right
Described radiator 106 applies the elastic pressure towards described light structures 101, so that described light structures 101, digital micro-mirror
Device drive plate 103 and radiator 106 are sequentially connected with and relative localization.Thus, can with being spirally connected of screwed hole by connection post
Make Flexible Connector 118 be connected the most reliable with illuminator 101, meanwhile, by nut 110 elastic component 109 supported work
With, it is possible to the elastic pressure making elastic component 109 apply radiator 106 is more stable.
In the present embodiment, it is preferred that connect post and include cylinder 111 and screw rod 112, the first end of described cylinder 111 and institute
Stating nut 110 to connect, the second end of described cylinder 111 is connected with described screw rod 112, and the diameter of described cylinder 111 is more than described
The diameter of screw rod 112；Wherein, described screw rod 112 is located in described first perforation 105 and screwed hole, and described cylinder 111 wears
In described second perforation 107, described screw rod 112 and described screw hole, make the second end of described cylinder 111 support described
DMD drives plate 103；Or, described screw rod 112 is located in described screwed hole, and described cylinder 111 is located in described
In first perforation 105 and the second perforation 107, described screw rod 112 and described screw hole, make the second end of described cylinder 111
Support described light structures 101.Owing to supporting light structures 101 or DMD driving plate at the second end of cylinder 111
Under the state of 103, screw rod 112 and screwed hole cannot continue to screw tight, therefore, it is possible to make tool between nut 110 and light structures 101
There is setpoint distance, thus drive plate 103 and the state of radiator 106 relative localization at light structures 101, DMD
Under, it is possible to make to have between nut 110 and radiator 106 setpoint distance, and then can make to be clamped in nut 110 and radiator
Elastic component 109 between 106 has the deformation quantity of setting, and radiator 106 produces the elastic pressure set, and thus, is beneficial to
Control elastic component 109 and radiator 106 is applied the size of elastic pressure, and when connecting illumination by multiple Flexible Connectors 118
When structure 101, DMD drive plate 103 and radiator 106, it is possible to make each elastic component 109 respectively connect on radiator 106
The identical elastic pressure that contact applies, thus improve reliability further.
In the present embodiment, it is preferred that elastic component 109 is spring, described spring housing is located on described cylinder 111.Due to bullet
The elastic pressure that spring is applied is more stable, is therefore beneficial to make elastic pressure reach setting value, thus it is micro-to improve numeral further
The reliability of mirror device drive board fixing structure.Wherein, spring can be that structure separable with connector main body 108 is alternatively admittedly
Surely the structure on nut it is connected to, it addition, elastic component 109 can also be other elastic components such as rubber ring, cushion.
In the present embodiment, it is preferred that Flexible Connector 118 is four, it is connected to described DMD and drives
On four angles of plate 103.Thus, DMD is made to drive plate 103 to be connected with between light structures 101 and radiator 106
More stable, stress is evenly.
In the present embodiment, it is preferred that DMD drives and is folded with vibration-damped component between plate 103 and radiator 106
113.Thus, vibration-damped component 113 can absorb radiator 106 and DMD drives the pressure of plate 103, plays protection numeral
Micro mirror element drives the effect of plate 103.Wherein vibration-damped component 113 can be cushion blocking.
In the present embodiment, it is preferred that be folded with dust-proof cushion between light structures 101 and digital micromirror device chip 104
114, described dust-proof cushion 114 covers the edge of described digital micromirror device chip 104 and fills described light structures 101 and numeral
Space between micro mirror element chip 104.Thereby, it is possible to prevent dust by light structures 101 and digital micromirror device chip 104
Between space enter, thus avoid, owing to dust enters the digital micromirror device chip 104 that causes, pawl trace, variegation etc. occur
Problem, it is ensured that digital micromirror device chip 104 forms the quality of image.
In the present embodiment, it is preferred that digital micromirror device chip 104 is arranged on described DMD and drives plate 103
Front, described DMD drive plate 103 be provided with opening 115, described opening 115 is used for making described digital micromirror device
Part chip 104 is exposed to described DMD and drives the back side of plate 103；Described radiator 106 is positioned at described digital micro-mirror
The back side of device drive plate 103, described radiator 106 is provided with conducting strip 116, and described conducting strip 116 is located in described opening
Contact in 115 and with described digital micromirror device chip 104.Thus, the heat enabling digital micromirror device chip 104 leads to
Cross conducting strip 116 to be delivered on radiator 106, improve the radiating effect of digital micromirror device chip 104.
In the present embodiment, it is preferred that be folded with heat conduction patch 117 between conducting strip 116 and digital micromirror device chip 104.
Thereby, it is possible to enable the heat of digital micromirror device chip 104 to be delivered on conducting strip 116 by heat conduction patch 117, improve
The radiating effect of digital micromirror device chip 104.
This utility model provides a kind of optical mechanical system, including the numeral described in laser instrument and this utility model any embodiment
Micro mirror element drives board fixing structure, and described laser instrument is for launching light beam to described digital micromirror device chip 104.
Optical mechanical system in the present embodiment, is located in the first perforation 105 and the second perforation 107 by connector main body 108
In and be connected with connecting hole 102, make elastic component 109 directly contact with radiator 106 and apply radiator 106 towards illumination
The elastic pressure of structure 101, so that radiator 106 can drive plate 103 and light structures by elastic pressure holding DMD
101, make light structures 101, DMD drive plate 103 and radiator 106 can be sequentially connected with and relative localization.Due to
The elastic pressure holding DMD of radiator 106, produces excessive pressure thus without to DMD, and due to elasticity
The little difference of part 109 deformation quantity will not cause the very big change of elastic pressure, therefore when by multiple Flexible Connectors 118 even
When connecing light structures 101, DMD driving plate 103 and radiator 106, it is beneficial to make each elastic component 109 to radiator 106
The pressure that upper each contact point applies is roughly the same, so that word micro mirror element drives plate by radiator 106 on diverse location
Pressure roughly the same, it is to avoid DMD drives the deformation of plate 103 and the broken of digital micromirror device chip 104
Split, decrease the generation of fault, improve reliability.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a DMD drives board fixing structure, it is characterised in that including:
Light structures, described light structures is provided with connecting hole；
DMD drives plate, and described DMD drives plate to be provided with digital micromirror device chip and first and wears
Hole；
Radiator, described radiator is provided with the second perforation；
Flexible Connector, including connector main body and elastic component, described elastic component is arranged on described connector main body；
Wherein, described connector main body be located in described connecting hole, first perforation and second perforation in, described connector main body with
Described connecting hole connects, and makes described elastic component contact with described radiator and applies described radiator towards described illumination knot
The elastic pressure of structure, so that described light structures, DMD drive plate and radiator to be sequentially connected with and relative localization.
DMD the most according to claim 1 drives board fixing structure, it is characterised in that described connecting hole is spiral shell
Pit, described connector main body includes coaxially connected nut and connects post, and described connection post is worn through the first perforation and second
Hole is also screwed onto in described screwed hole, and described elastic component is clamped between described nut and radiator, so that described elastic component pair
Described radiator applies the elastic pressure towards described light structures, so that described light structures, DMD drive
Plate and radiator are sequentially connected with and relative localization.
DMD the most according to claim 2 drives board fixing structure, it is characterised in that described connection post includes
Cylinder and screw rod, the first end of described cylinder is connected with described nut, and the second end of described cylinder is connected with described screw rod, described
The diameter of cylinder is more than the diameter of described screw rod；
Wherein, described screw rod is located in described first perforation and screwed hole, and described cylinder is located in described second perforation, institute
State screw rod and described screw hole, make the second end of described cylinder support described DMD and drive plate；
Or, described screw rod is located in described screwed hole, and described cylinder is located in described first perforation and the second perforation, described
Screw rod and described screw hole, make the second end of described cylinder support described light structures.
DMD the most according to claim 3 drives board fixing structure, it is characterised in that described elastic component is bullet
Spring, described spring housing is located on described cylinder.
DMD the most according to claim 1 drives board fixing structure, it is characterised in that described Flexible Connector
It is four, is connected to described DMD and drives on four angles of plate.
DMD the most according to claim 1 drives board fixing structure, it is characterised in that described digital micromirror device
Part drives and is folded with vibration-damped component between plate and radiator.
DMD the most according to claim 1 drive board fixing structure, it is characterised in that described light structures and
Being folded with dust-proof cushion between digital micromirror device chip, described dust-proof cushion covers the edge of described digital micromirror device chip and fills out
Fill the space between described light structures and digital micromirror device chip.
DMD the most according to claim 1 drives board fixing structure, it is characterised in that described digital micromirror device
Part chip is arranged on described DMD and drives the front of plate, and described DMD drives plate to be provided with opening, institute
State opening and drive the back side of plate for making described digital micromirror device chip be exposed to described DMD；
Described radiator be positioned at described DMD drive plate the back side, described radiator is provided with conducting strip, described in lead
Backing wears in said opening and contacts with described digital micromirror device chip.
DMD the most according to claim 8 drives board fixing structure, it is characterised in that described conducting strip sum
Heat conduction patch it is folded with between word micro mirror element chip.
10. an optical mechanical system, it is characterised in that include arbitrary described digital micromirror device in laser instrument and claim 1-9
Part drives board fixing structure, and described laser instrument is for launching light beam to described digital micromirror device chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620554319.3U CN205665462U (en) | 2016-06-07 | 2016-06-07 | Digital micromirror device drive plate fixed knot constructs and optical -mechanical system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620554319.3U CN205665462U (en) | 2016-06-07 | 2016-06-07 | Digital micromirror device drive plate fixed knot constructs and optical -mechanical system |
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| CN205665462U true CN205665462U (en) | 2016-10-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647121A (en) * | 2016-10-31 | 2017-05-10 | 海信集团有限公司 | DMD module, DLP machine and DLP projection device |
| US10082665B2 (en) | 2016-10-31 | 2018-09-25 | Hisense Co., Ltd. | DMD assembly, DLP optical engine and DLP projection device |
| CN110879465A (en) * | 2018-09-05 | 2020-03-13 | Zkw集团有限责任公司 | DMD module |
-
2016
- 2016-06-07 CN CN201620554319.3U patent/CN205665462U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647121A (en) * | 2016-10-31 | 2017-05-10 | 海信集团有限公司 | DMD module, DLP machine and DLP projection device |
| US10082665B2 (en) | 2016-10-31 | 2018-09-25 | Hisense Co., Ltd. | DMD assembly, DLP optical engine and DLP projection device |
| US10718999B2 (en) | 2016-10-31 | 2020-07-21 | Hisense Co., Ltd. | DMD assembly and DLP projection device |
| CN110879465A (en) * | 2018-09-05 | 2020-03-13 | Zkw集团有限责任公司 | DMD module |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200826 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. |