CN102854719A - Projection device and circuit board module - Google Patents
Projection device and circuit board module Download PDFInfo
- Publication number
- CN102854719A CN102854719A CN2011101860124A CN201110186012A CN102854719A CN 102854719 A CN102854719 A CN 102854719A CN 2011101860124 A CN2011101860124 A CN 2011101860124A CN 201110186012 A CN201110186012 A CN 201110186012A CN 102854719 A CN102854719 A CN 102854719A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- space
- projection arrangement
- elastic construction
- connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Portable Nailing Machines And Staplers (AREA)
Abstract
Provided are a projection device and a circuit board module. The projection device comprises a casing, the circuit board module, a light source, a light valve and a camera lens, and the casing is provided with at least one opening hole. The circuit board module comprises a circuit board, a plate element, an elastic structure and at least one connector. The circuit board and the plate element are arranged in the casing. The elastic structure is clamped between the circuit board and the plate element. The circuit board, the plate element and the elastic structure separate the inside of the casing into a first space and a second space. The first space is separated from the second space through sealing of the elastic structure, and the first space is communicated with the outside through the opening hole. The connector is allocated on the circuit board to be located in the first space, and the connector is exposed out by the opening hole. The light source, the light valve and the lens are allocated in the second space. Light beams sent from the light source reach the lens through the light valve.
Description
[technical field]
The invention relates to a kind of optical devices and circuit board module thereof, and particularly relevant for a kind of projection arrangement and circuit board module thereof.
[background technology]
Projection arrangement is a kind of in order to produce the display device of large scale picture.The image-forming principle of projection arrangement is to convert the illuminating bundle that light source produces to image strip by light valve, image strip is projected on screen or the metope to form image by camera lens again.Along with the progress of shadow casting technique and the reduction of manufacturing cost, the use of projection arrangement is expanded to domestic use gradually from commercial use.
In general, can be provided with connector on the circuit board of projector inside, and connect external power source or receive signal from other peripheral device by connector.For connector can be connected with external power lead or information transmission line, the shell of projection arrangement need have to expose the perforate of connector.Yet, extraneous dust or other foreign matter can see through perforate and enter projection arrangement inside and pollute its electronic component and optical element, and the light that the light source of projection arrangement inside sends also can see through above-mentioned perforate and leak and cause light leakage phenomena, so affects normal operation and the projection quality of projection arrangement.
United States Patent (USP) numbering 20060265732 discloses breakout box and the card casket in a kind of computer system, United States Patent (USP) numbering 20040233395 discloses a kind of back reflection projector, TaiWan, China patent number M334520 discloses a kind of dust guard of connector body, yet, leak problems such as the external world and improving of the light that above-mentioned patent does not enter projection arrangement inside or projection arrangement inside for dust or the foreign matter in the external world are so projection arrangement still has the bad doubt of projection quality.
[summary of the invention]
The present invention proposes a kind of projection arrangement, has better dustproof and light leakage effect.
The present invention proposes a kind of circuit board module, and the projection arrangement of using this circuit board module has better dustproof and light leakage effect.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching above-mentioned one or part or whole purposes or other purposes, one embodiment of the invention provide a kind of projection arrangement, and it comprises shell, circuit board module, light source, light valve and camera lens.Shell has at least one perforate.The circuit board module comprises circuit board, fuel plate, elastic construction and at least one connector.Circuit board arrangement is in shell.Fuel plate is disposed in the shell.Elastic construction is folded between circuit board and the fuel plate.Circuit board, fuel plate and elastic construction are divided into the first space and second space with enclosure.The first space is isolated from second space by the sealing of elastic construction, and the first space is communicated with extraneous by perforate.Connector is disposed on the circuit board and is positioned at the first space, and is exposed by perforate.Light source is disposed in the second space.Light valve is disposed in the second space.Configurations of lenses is in second space, and wherein the light beam that sends of light source arrives camera lens by light valve.
For reaching above-mentioned one or part or whole purposes or other purposes, one embodiment of the invention provide a kind of circuit board module, and it is applicable to projection arrangement.Projection arrangement comprises shell, light source, light valve and camera lens.Shell has at least one perforate.The circuit board module comprises circuit board, fuel plate, elastic construction and at least one connector.Circuit board arrangement is in shell.Fuel plate is disposed in the shell.Elastic construction is folded between circuit board and the fuel plate.Circuit board, fuel plate and elastic construction are divided into the first space and second space with enclosure.The first space is isolated from second space by the sealing of elastic construction, and the first space is communicated with extraneous by perforate.Connector is disposed on the circuit board and is positioned at the first space, and is exposed by perforate.Light source is disposed in the second space.Light valve is disposed in the second space.Configurations of lenses is in second space, and wherein the light beam that sends of light source arrives camera lens by light valve.
Based on above-mentioned, in the above embodiment of the present invention, the perforate of the casing of projection arrangement is communicated in the first space, and isolated with second space by the sealing of elastic construction.By this, the connector that is disposed in the first space can see through power lead or the information transmission line that perforate connects the outside, and extraneous dust can't pollute light source, light valve, camera lens and other electronics or the optical element that is disposed in the second space through perforate.In addition, the light that light source sends can be stopped by elastic construction and unlikelyly see through perforate and leak, to avoid projection arrangement generation light leakage phenomena.In addition, by the sealing of elastic construction, can make the better impermeability of casing inner sustain of projection arrangement, affect flowing of radiating airflow in the second space to avoid arranging of perforate, guarantee that projection arrangement has good radiating efficiency.
For above-mentioned feature and advantage of the present invention can be become apparent, a plurality of embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
[description of drawings]
Fig. 1 is the synoptic diagram of the projection arrangement of one embodiment of the invention.
Fig. 2 A is the partial perspective view of the projection arrangement of Fig. 1.
Fig. 2 B is the partial top view of the projection arrangement of Fig. 1.
Fig. 3 is the partial component stereographic map of the projection arrangement of Fig. 1.
Fig. 4 is the partial component explosive view of the projection arrangement of Fig. 1.
100: projection arrangement
110: shell
110a: the first space
110b: second space
110c: the 3rd space
112,114: perforate
120: the circuit board module
122,125: circuit board
124: fuel plate
126,129: elastic construction
127,128: connector
130: light source
140: light valve
150: camera lens
L: light beam
[embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that cooperates with reference to graphic a plurality of embodiment, can clearly present.The direction term of mentioning in following examples, such as " on ", D score, 'fornt', 'back', " left side ", " right side " etc., only be the direction with reference to annexed drawings.Therefore, the direction term of use is explanation, but not is used for limiting the present invention.
Fig. 1 is the synoptic diagram of the projection arrangement of one embodiment of the invention.Please refer to Fig. 1, the projection arrangement 100 of present embodiment comprises shell 110, circuit board module 120, light source 130, light valve 140 and camera lens 150.Circuit board module 120, light source 130, light valve 140 and camera lens 150 are disposed in the shell 110.The light beam L that light source 130 sends arrives camera lens 150 by light valve 140, to carry out the projection of picture.
Fig. 2 A is the partial perspective view of the projection arrangement of Fig. 1.Fig. 2 B is the partial top view of the projection arrangement of Fig. 1.Fig. 3 is the partial component stereographic map of the projection arrangement of Fig. 1.Fig. 4 is the partial component explosive view of the projection arrangement of Fig. 1.Please refer to Fig. 2 A, Fig. 2 B, Fig. 3 to Fig. 4, the circuit board module 120 of present embodiment comprises circuit board 122, fuel plate 124, elastic construction 126 and at least one connector 128, and wherein connector 128 is disposed on the circuit board 122.In the present embodiment, circuit board 122 and fuel plate 124 are disposed in the shell 110, and elastic construction 126 is folded between circuit board 122 and the fuel plate 124.In addition, because circuit board module 120 can have one or more connectors 128, the shell 110 of present embodiment can have one or more perforates 112 to expose corresponding connector 128, and it is extraneous that so connector 128 can see through perforate 112 connections.In the present embodiment, connector 128 for example is power connector or signal connector, next mainly with a plurality of connectors 128 present embodiment is described conveniently.
Hold above-mentionedly, circuit board 122, fuel plate 124 and elastic construction 126 are the first space 110a and second space 110b with shell 110 interior separations.The first space 110a is isolated from second space 110b by the sealing of elastic construction 126, and the first space 110a is communicated with extraneous by perforate 112.Connector 128 is positioned at the first space 110a, and light source 130, light valve 140 and camera lens 150 are disposed in the second space 110b.
Under above-mentioned configuration mode, be disposed at the interior connector 128 of the first space 110a and can see through power lead or the information transmission line that perforate 112 connects the outside, and extraneous dust can't pollute light source 130, light valve 140, camera lens 150 and other electronics or the optical element that is disposed in the second space 110b through perforate 112.In addition, the light that light source 130 sends can be stopped by elastic construction 126 and unlikelyly see through perforate 112 and leak, to avoid projection arrangement 100 light leakage phenomena occur.In addition, sealing by elastic construction 126, can make the better impermeability of casing 110 inner sustain of projection arrangement 100, affect flowing of radiating airflow in the second space 110b to avoid arranging of perforate 112, guarantee that projection arrangement 100 has good radiating efficiency.
In the present embodiment, the material of elastic construction 126 for example has good elastic deformability for sponge or rubber, make elastic construction 126 still closely contact circuit plate 122 and fuel plate 124 in the situation of the surface irregularity of circuit board 122 or fuel plate 124, to reach the effect of sealing the first space 110a.In addition, the structure that the elastic construction 126 of present embodiment is one of the forming, make elastic construction 126 in assembling comparatively convenient with save time.
In the above-described embodiments, fuel plate 124 for example is the support housing that is disposed in the shell 110, wherein fuel plate 124 and circuit board 122 common sandwiched elastic constructions 126.Yet, in other embodiments, fuel plate 124 also can be another circuit board 125, then circuit board module 120 can further comprise at least one connector 127 and another elastic construction 129, wherein circuit board 125 is disposed in the shell 110, and elastic construction 129 is folded between circuit board 122 and the circuit board 125.Be similar to circuit board 122, fuel plate 124 and elastic construction 126 and define the first space 110a isolated with second space 110b in shell 110 inside, circuit board 122, circuit board 125 and elastic construction 129 define the three space 110c isolated with second space 110b in shell 110 inside.
As shown in Figures 3 and 4, shell has more perforate 114, the three space 110c and is communicated with perforate 114, and connector 127 is disposed in the 3rd space 110c and connects outside power lead or information transmission line to see through perforate 114.As preventing dust of reaching of above-mentioned elastic construction 126 isolated the first space 110a and second space 110b, light leakage and improving heat radiation efficiency texts, elastic construction 129 isolated the 3rd space 110c and second space 110b also reach same effect, repeat no more in this.
In sum, in the above embodiment of the present invention, the perforate of the casing of projection arrangement is communicated in the first space, and isolated with second space by the sealing of elastic construction.By this, the connector that is disposed in the first space can see through power lead or the information transmission line that perforate connects the outside, and extraneous dust can't pollute light source, light valve, camera lens and other electronics or the optical element that is disposed in the second space through perforate.In addition, the light that light source sends can be stopped by elastic construction and unlikelyly see through perforate and leak, to avoid projection arrangement generation light leakage phenomena.In addition, by the sealing of elastic construction, can make the better impermeability of casing inner sustain of projection arrangement, affect flowing of radiating airflow in the second space to avoid arranging of perforate, guarantee that projection arrangement has good radiating efficiency.
The above, it only is preferred embodiment of the present invention, when not limiting scope of the invention process with this, the simple equivalence of namely generally doing according to the present patent application claim and invention description content changes and modifies, and all still belongs in the scope that patent of the present invention contains.In addition, arbitrary embodiment of the present invention or claim must not reached the disclosed whole purposes of the present invention or advantage or characteristics.In addition, first, second and third (for example the first space, second space, the 3rd space) of mentioning in the instructions is not the quantitative upper limit of limiting element or lower limit only in order to represent the title of element.
Claims (12)
1. projection arrangement comprises:
One shell has at least one perforate;
One circuit board module comprises:
One circuit board is disposed in this shell;
One fuel plate is disposed in this shell;
One elastic construction, be folded between this circuit board and this fuel plate, wherein this circuit board, this fuel plate and this elastic construction are divided into one first space and a second space with this enclosure, this first space is isolated from this second space by the sealing of this elastic construction, and this first space is communicated with extraneous by this at least one perforate; And
At least one connector is disposed on this circuit board and is positioned at this first space, and by should at least one perforate exposure;
One light source is disposed in this second space;
One light valve is disposed in this second space; And
One camera lens is disposed in this second space, and wherein the light beam that sends of this light source arrives this camera lens by this light valve.
2. projection arrangement as claimed in claim 1, wherein the material of this elastic construction comprises sponge or rubber.
3. projection arrangement as claimed in claim 1, the wherein structure that is one of the forming of this elastic construction.
4. projection arrangement as claimed in claim 1, wherein this fuel plate is another circuit board.
5. projection arrangement as claimed in claim 1, wherein this fuel plate is a support housing.
6. projection arrangement as claimed in claim 1, wherein this at least one connector comprises power connector or signal connector.
7. a circuit board module is applicable to a projection arrangement, and this projection arrangement comprises a shell, a light source, a light valve and a camera lens, and this shell has at least one perforate, and this circuit board module comprises:
One circuit board is disposed in this shell;
One fuel plate is disposed in this shell;
One elastic construction, be folded between this circuit board and this fuel plate, wherein this circuit board, this fuel plate and this elastic construction are divided into one first space and a second space with this enclosure, this first space is isolated from this second space by the sealing of this elastic construction, and this first space is communicated with extraneous by this at least one perforate; And
At least one connector is disposed on this circuit board and is positioned at this first space, and by should at least one perforate exposure, wherein this light source, this light valve and this configurations of lenses be in this second space, and the light beam that this light source sends arrives this camera lens by this light valve.
8. circuit board module as claimed in claim 7, wherein the material of this elastic construction comprises sponge or rubber.
9. circuit board module as claimed in claim 7, the wherein structure that is one of the forming of this elastic construction.
10. circuit board module as claimed in claim 7, wherein this fuel plate is another circuit board.
11. circuit board module as claimed in claim 7, wherein this fuel plate is a support housing.
12. circuit board module as claimed in claim 7, wherein this at least one connector comprises power connector or signal connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101860124A CN102854719A (en) | 2011-06-30 | 2011-06-30 | Projection device and circuit board module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101860124A CN102854719A (en) | 2011-06-30 | 2011-06-30 | Projection device and circuit board module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102854719A true CN102854719A (en) | 2013-01-02 |
Family
ID=47401425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101860124A Pending CN102854719A (en) | 2011-06-30 | 2011-06-30 | Projection device and circuit board module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102854719A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154703A (en) * | 2015-03-30 | 2016-11-23 | 中强光电股份有限公司 | Projection arrangement |
| WO2017080404A1 (en) * | 2015-11-10 | 2017-05-18 | 深圳市光峰光电技术有限公司 | Circuit board assembly, light source device, and projection equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04372205A (en) * | 1991-06-21 | 1992-12-25 | Toshiba Corp | Printed circuit board |
| CN1533169A (en) * | 2003-03-24 | 2004-09-29 | 精工爱普生株式会社 | Rear projection type projector |
| TWM334520U (en) * | 2008-01-18 | 2008-06-11 | Joinsoon Electronic Mfg Co Ltd | Dust-proof device for connector socket |
| CN101257598A (en) * | 2004-01-08 | 2008-09-03 | 新世代株式会社 | Adapter, cartridge, computer system and entertainment system |
| CN201497850U (en) * | 2009-06-10 | 2010-06-02 | 四川长虹电器股份有限公司 | Front projector dustproof sponge installation structure |
| JP2010130608A (en) * | 2008-12-01 | 2010-06-10 | Panasonic Corp | Projection image display |
-
2011
- 2011-06-30 CN CN2011101860124A patent/CN102854719A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04372205A (en) * | 1991-06-21 | 1992-12-25 | Toshiba Corp | Printed circuit board |
| CN1533169A (en) * | 2003-03-24 | 2004-09-29 | 精工爱普生株式会社 | Rear projection type projector |
| CN101257598A (en) * | 2004-01-08 | 2008-09-03 | 新世代株式会社 | Adapter, cartridge, computer system and entertainment system |
| TWM334520U (en) * | 2008-01-18 | 2008-06-11 | Joinsoon Electronic Mfg Co Ltd | Dust-proof device for connector socket |
| JP2010130608A (en) * | 2008-12-01 | 2010-06-10 | Panasonic Corp | Projection image display |
| CN201497850U (en) * | 2009-06-10 | 2010-06-02 | 四川长虹电器股份有限公司 | Front projector dustproof sponge installation structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154703A (en) * | 2015-03-30 | 2016-11-23 | 中强光电股份有限公司 | Projection arrangement |
| WO2017080404A1 (en) * | 2015-11-10 | 2017-05-18 | 深圳市光峰光电技术有限公司 | Circuit board assembly, light source device, and projection equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10554868B2 (en) | Camera module and mobile terminal | |
| US6761458B2 (en) | Rear projection optical system | |
| CN102237063B (en) | Display apparatus | |
| CN102661553B (en) | Backlight module and display device using same | |
| CN205385193U (en) | Laser light source | |
| CN105549265B (en) | A kind of backlight module and liquid crystal display | |
| CN104503109A (en) | Liquid crystal display module and display device | |
| JP2010152123A (en) | Screen assembly and rear projection type video display device | |
| CN101908146A (en) | Acquisition device for seal impression identification | |
| CN103869586B (en) | Projection device | |
| CN102854719A (en) | Projection device and circuit board module | |
| JP6530949B2 (en) | Medical monitors, electronic devices, and video display units | |
| CN103383515A (en) | Projection device and light valve module thereof | |
| CN209118037U (en) | Projection arrangement | |
| CN107111217A (en) | Projection display unit | |
| CN101435982B (en) | Optical engine of projection system capable of improving electromagnetic interference | |
| CN205545507U (en) | Scanner box body and scanner | |
| TWI362557B (en) | Optical projector | |
| CN103369221A (en) | Wafer level camera module with protective tube | |
| US9525840B2 (en) | Image projection apparatus and circuit-board retaining structure | |
| TWI305864B (en) | ||
| CN201583761U (en) | Liquid crystal display module | |
| CN201540443U (en) | Light source module | |
| CN103207473A (en) | Semi-transparent and semi-reflective liquid crystal display device and production method thereof | |
| CN203590340U (en) | Projection device and optical-mechanical module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130102 |