CN101446750B - Projecting device - Google Patents
Projecting device Download PDFInfo
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- CN101446750B CN101446750B CN2007102026716A CN200710202671A CN101446750B CN 101446750 B CN101446750 B CN 101446750B CN 2007102026716 A CN2007102026716 A CN 2007102026716A CN 200710202671 A CN200710202671 A CN 200710202671A CN 101446750 B CN101446750 B CN 101446750B
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- cover body
- threaded hole
- projection arrangement
- stator
- baffle plate
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Abstract
The invention relates to a projecting device which comprises a casing, a fan positioned in the casing and a light source device. The casing is provided with an air outlet which is positioned at the rear end of the light source device; the fan is positioned at one side of the light source device; the light source device comprises a cover body, a luminous part and a lid body; the luminous part is contained in the cover body; the lid body comprises a body part and a protrusion part; one side of the body part near the fan is provided with an air inlet for guiding in cooling air blown out by the fan, and the body part is connected with the cover body; the protrusion part protrudes from the side of the body part opposite to the air inlet, an air network with a plurality of meshes for discharging hot air formed by cooling the luminous part and the cover body is arranged on the protrusion part; and the hot air is discharged out of the projecting device from the air outlet. The projecting device utilizes an air channel formed by the air inlet on the body part and the air network on the protrusion part to improve the heat radiation efficiency of the light source device, so that the heat radiation efficiency of the projecting device is improved.
Description
Technical field
The present invention relates to a kind of electronic installation, relate in particular to a kind of projection arrangement.
Background technology
Now, the application of projection arrangement is more and more wide, and the quality requirements of projected picture is also more and more high, projected picture just towards Gao Gengliang more clearly direction develop.Reach high-quality projected picture, projection arrangement has to select for use the light supply apparatus of higher-wattage, and the requirement to the light supply apparatus heat radiation accordingly becomes strict more.
At present; light supply apparatus uses fan to do to force cooling mostly, so the lid of light supply apparatus can offer air intake vent and air outlet usually, also needs to do the distinguished and admirable design of some guidings simultaneously; be the design in air channel, cool off with illuminating part and cover body to light supply apparatus.Thus, how to carry out the radiating efficiency that air channel design could promote light supply apparatus and become current urgent problem.
Summary of the invention
In view of this, be necessary to provide a kind of projection arrangement that can promote the light supply apparatus radiating efficiency.
A kind of projection arrangement, it comprises a housing, a fan and a light supply apparatus that is positioned at described housing.Described housing offers an exhaust outlet, and described exhaust outlet is positioned at the rear end of described light supply apparatus.Described fan is positioned at described light supply apparatus one side.Described light supply apparatus comprises a cover body, an illuminating part and a lid.Described illuminating part is accommodated to described cover body.Described lid comprises a body and a protuberance.Described body offers an air intake vent to import the cold wind that fan blows out near a side of described fan, and described body is connected with described cover body.Described protuberance is relative with described air intake vent one side-prominent from described body, be equipped with on the described protuberance one be provided with a plurality of mesh and towards the ventilation net of described exhaust outlet to discharge the hot blast that forms behind described illuminating part of cooling and the described cover body, described hot blast is outside described exhaust outlet is discharged projection arrangement.
Compared with prior art, thus the air channel that described projection arrangement utilizes air intake vent on the body and the ventilation net on the protuberance to form promotes the radiating efficiency that the radiating efficiency of light supply apparatus promotes projection arrangement.
Description of drawings
Fig. 1 is the structural representation of projection arrangement of the present invention;
Fig. 2 is the three-dimensional exploded view of the light supply apparatus of first embodiment of the invention;
Fig. 3 is another stereographic map of the light supply apparatus of first embodiment of the invention;
Fig. 4 is the stereographic map of the light supply apparatus of second embodiment of the invention;
Fig. 5 is the stereographic map of the light supply apparatus of third embodiment of the invention;
Fig. 6 is the stereographic map of the light supply apparatus of four embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
First embodiment
See also Fig. 1, be projection arrangement 100, it comprises a housing 10, a fan 20 and a light supply apparatus 30.Described fan 20 and light supply apparatus 30 all are positioned at described housing 10, and the side that described fan 20 is positioned at described light supply apparatus 30 is dispelled the heat to light supply apparatus 30.
Offer an exhaust outlet 12 on the described housing 10, described exhaust outlet 12 is positioned at the rear end of light supply apparatus 30.The cold wind that described fan 20 blows out is through being discharged by described exhaust outlet 12 after the described light supply apparatus 30.
Please in conjunction with Fig. 2 and Fig. 3, described light supply apparatus 30 comprises the illuminating part 32 of an emission light, a cover body 34 and the lid 36 that the light of described illuminating part 32 emissions is reflected.Described illuminating part 32 is accommodated to described cover body 34.
Described illuminating part 32 can use halogen lamp, metal halide lamp, high-pressure mercury-vapor lamp or LED.Preferably, illuminating part 32 is a metal halide lamp in the present embodiment.Four corners of described cover body 34 have stator 342 respectively, and each stator 342 all has first threaded hole 3420.
Described cover body 34 can adopt the lens (concavees lens) of paraboloidal mirror, off-axis paraboloids and ellipsoids mirrors or parallelization.Preferably, cover body 34 is an off-axis paraboloids and ellipsoids mirrors in the present embodiment, and illuminating part 32 is arranged on the focus of described oval cover body 34.
Described lid 36 comprises a body 362 and a protuberance 364.Described body 3 62 offers an air intake vent 38 to import the cold wind that fan 20 (shown in Figure 1) blows out near a side of described fan 20 (shown in Figure 1).Described body 362 towards offer on the end face of described illuminating part 32 with described stator 342 on first threaded hole, 3420 corresponding second threaded holes 3620.Screw (figure do not show) passes first threaded hole 3420 of described stator 342 and second threaded hole 3620 on the described body 362 respectively and described body 362 is connected with described cover body 34.Described protuberance 364 has relative first end 366 and the second end 368 on the direction of described cover body 34, offer two the 3rd threaded holes 3660 on the described first end 366, offers two the 4th threaded holes 3680 on the described the second end 368.A ventilation net 40 that is provided with a plurality of mesh is installed on the described protuberance 364.Described ventilation net 40 comprises one first limit 42,44, one the 3rd limits 46, second limit and one the 4th limit 48.Described first limit 42 is oppositely arranged with described second limit 44, and described first limit 42 is corresponding with the first end 366 of described protuberance 364, and described second limit 44 is corresponding with described the second end 368.Described the 3rd limit 46 and the 4th limit 48 are oppositely arranged, and all vertical with described first limit 42 and second limit 44, and described the 4th limit 48 is near described cover body 34.Offer two the 3rd threaded hole 3660 corresponding the 5th threaded holes 422 with described protuberance 364 on described the firstth limit 42, offer two the 4th threaded hole 3680 corresponding the 6th threaded holes 442 with described protuberance 364 on described second limit 44, screw (figure do not show) passes on the described ventilation net 40 the 3rd threaded hole 3660 on the 5th threaded hole 422 and described protuberance 364 respectively, and on the 6th threaded hole 442 and the described protuberance 364 the 4th threaded hole 3 680 and with described ventilation net 40 be connected in connect on the protuberance 364.The installation of described ventilation net 40 not only can allow the hot blast of cooling behind the light supply apparatus 30 pass through, and can also prevent that light supply apparatus 30 from damaging other elements because of overheated or vibrations etc. causes that fragment that explosion produces flies out.
Be appreciated that described body 362 is not limited to adopt in the present embodiment screw connecting mode with described cover body 34 connected modes, also can adopt modes such as engaging, gummed.Ventilation net 40 also is not limited to and adopts the screw ways of connecting to be installed on the described protuberance 364 in the present embodiment, also can adopt modes such as engaging, gummed.In addition, the first end 366 of protuberance 364, the threaded hole on the second end 368 are not limited in the present embodiment two, the threaded hole that first limit 42 of ventilation net 40 and second limit 44 are offered also is not limited in the present embodiment two, can be any number, only need the first end 366 of first limit 42 of ventilation net 40 and threaded hole that second limit 44 is offered and protuberance 364 and the corresponding respectively setting of the threaded hole number on the second end 368 and guarantee that ventilation net 40 can be installed on the protuberance 364 to get final product.
In the present embodiment, the cold wind that described fan 20 blows out imports in the light supply apparatus 30 from described air intake vent 38, and cold wind cooling cover body 34 and illuminating part 32 backs are derived by ventilation net 40, and discharge from described exhaust outlet 12.The air channel that described projection arrangement 100 utilizes air intake vent 38 on the body 362 and the ventilation net on the protuberance 364 40 to form promotes the radiating efficiency of light supply apparatus 30, thereby promotes the radiating efficiency of projection arrangement 100.
Second embodiment
See also Fig. 4, the light supply apparatus 30a of second embodiment of the invention is with the first embodiment light supply apparatus, 30 differences: the net 40a that ventilates near a side of described housing (figure does not show) by engaging or mode such as gummed is equipped with an air ducting 50.Described air ducting 50 comprises one first baffle plate 52, a second baffle 54 and one the 3rd baffle plate 56, and described first baffle plate 52 is positioned on the first limit 42a, and described second baffle 54 is positioned on the second limit 44a, and described the 3rd baffle plate 56 is positioned on the 3rd limit 46a.Described first baffle plate 52 joins with described the 3rd baffle plate 56, and described second baffle 54 joins with described the 3rd baffle plate 56, and the air ducting 50 that first baffle plate 52, second baffle 54 and the 3rd baffle plate 56 surround is open towards the side near cover body 34a.The edge is near exhaust outlet (figure does not show) direction, and the air guide hole cross section of described air ducting 50 reduces gradually.
Certainly, described air ducting 50 and described ventilation net 40a are not limited to the split shaped structure of present embodiment, and structure also can be formed in one.
The 3rd embodiment
See also Fig. 5, the light supply apparatus 30b of third embodiment of the invention and the second embodiment light supply apparatus 30a difference are: described air ducting 50b also comprises one first light barrier 51 and one second light barrier 53.Described first light barrier 51 and the first baffle plate 52b join and extend towards netting the 40b direction away from ventilating, and described second light barrier 53 joins with second baffle 54b and extends towards netting the 40b direction away from ventilating.Described first light barrier 51 and described second light barrier 53 all are positioned at the side near cover body 34b.Described first light barrier 51 can not link to each other with described second light barrier 53 and make air ducting 50b one side open, also can be connected to form one to make that air ducting 50b is the structure of sealing all around.Described first light barrier 51, second light barrier 53 and the 3rd baffle plate 56b stop that jointly the light that spills from cover body 34b is to avoid influencing other optical element operate as normal.
The 4th embodiment
See also Fig. 6, the light supply apparatus 30c of four embodiment of the invention and the 3rd embodiment light supply apparatus 30b difference are: four corners of body 362c offer threaded hole respectively.Cover body 34c has one first stator 62 and one second stator 64 respectively away from two corners of the net 40c that ventilates, and described first stator 62 and described second stator 64 all have the corresponding threaded hole with described body 362c.Air ducting 50c also comprises first fixed head 57 and second fixed head 58 with threaded hole with threaded hole.Described first fixed head 57 and the first light barrier 51c join and towards extending near cover body 34c direction, and described second fixed head 58 and the second light barrier 53c join and towards extending near cover body 34c direction.Screw (figure do not show) passes the threaded hole on threaded hole on threaded hole on described first stator 62 and the body 362c, second stator 64 and the body 362c, first fixed head 57 and the body 362c, and the threaded hole on the threaded hole on second fixed head 58 and the body 362c and described body 362c is connected with described cover body 34c.
In second embodiment of the invention to the four embodiments, the cold wind that fan blows out imports in the light supply apparatus from air intake vent, pass the ventilation net behind cold wind process cover body and the illuminating part, and discharge by the air ducting of the convergent described exhaust outlet that leads, improve the radiating efficiency of light supply apparatus, thereby promoted the radiating efficiency of projection arrangement.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection domain that all should belong to claim of the present invention with distortion.
Claims (12)
1. projection arrangement, it comprises a housing, a fan and a light supply apparatus that is positioned at described housing, described housing offers an exhaust outlet, described exhaust outlet is positioned at the rear end of described light supply apparatus, described fan is positioned at described light supply apparatus one side, described light supply apparatus comprises a cover body, an illuminating part, and lid, described illuminating part is accommodated to described cover body, it is characterized in that, described lid comprises a body and a protuberance, described body offers an air intake vent to import the cold wind that fan blows out near a side of described fan, described body is connected with described cover body, described protuberance is relative with described air intake vent one side-prominent from described body, be equipped with on the described protuberance one be provided with a plurality of mesh and towards the ventilation net of described exhaust outlet to discharge the hot blast that forms behind described illuminating part of cooling and the described cover body, described hot blast is outside described exhaust outlet is discharged described projection arrangement.
2. projection arrangement as claimed in claim 1 is characterized in that, described ventilation Netcom crosses and is threaded, engages or the gummed mode is fixed on the described protuberance.
3. projection arrangement as claimed in claim 1 is characterized in that, described ventilation net is equipped with an air ducting near a side of described housing, and described air ducting is open towards a side of described cover body.
4. projection arrangement as claimed in claim 3 is characterized in that, it is online that described air ducting is fixed in described ventilation by engaging or gummed mode.
5. projection arrangement as claimed in claim 3 is characterized in that, described air ducting and described ventilation net be one of the forming structure or split shaped structure.
6. projection arrangement as claimed in claim 3, it is characterized in that, described air ducting comprises one first baffle plate, a second baffle and one the 3rd baffle plate, described first baffle plate and described the 3rd baffle plate join, described second baffle and described the 3rd baffle plate join, and reduce gradually along the air guide hole cross section near the described air ducting of exhaust outlet direction.
7. projection arrangement as claimed in claim 6, it is characterized in that, described air ducting also comprises one first light barrier and one second light barrier, described first light barrier and described first baffle plate join and towards extending away from described ventilation net direction, described second light barrier and described second baffle join and court extends away from described ventilation net direction.
8. projection arrangement as claimed in claim 7 is characterized in that, described first light barrier and described second light barrier are connected to form one.
9. projection arrangement as claimed in claim 1, it is characterized in that, four corners of described body offer second threaded hole respectively, four corners on the described cover body have stator respectively, each stator all has and corresponding first threaded hole of second threaded hole of body, and screw passes on the described stator second threaded hole on first threaded hole and described body respectively and described body is connected with described cover body.
10. projection arrangement as claimed in claim 1 is characterized in that, described body is connected with described cover body by engaging or gummed mode.
11. as claim 7 or 8 described projection arrangements, it is characterized in that, four corners of described body offer threaded hole respectively, described cover body has one first stator and one second stator respectively away from two corners of the net that ventilates, connect first stator and described second stator all has and the corresponding threaded hole of the threaded hole of described body, described air ducting also comprises first fixed head and second fixed head with threaded hole with threaded hole, described first fixed head and described first light barrier join and extend towards approaching described cover body direction, described second fixed head and described second light barrier join and towards extending near described cover body direction, screw passes described first stator, second stator, threaded hole on threaded hole on first fixed head and second fixed head and the body and described body is connected with described cover body.
12. projection arrangement as claimed in claim 6 is characterized in that, described first baffle plate, second baffle and the 3rd baffle plate are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102026716A CN101446750B (en) | 2007-11-26 | 2007-11-26 | Projecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007102026716A CN101446750B (en) | 2007-11-26 | 2007-11-26 | Projecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101446750A CN101446750A (en) | 2009-06-03 |
| CN101446750B true CN101446750B (en) | 2010-09-29 |
Family
ID=40742483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007102026716A Expired - Fee Related CN101446750B (en) | 2007-11-26 | 2007-11-26 | Projecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101446750B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5971043B2 (en) * | 2012-09-10 | 2016-08-17 | 株式会社リコー | Image projection device |
| CN105700275B (en) * | 2014-11-24 | 2017-06-27 | 鸿富锦精密工业(武汉)有限公司 | Projecting apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670617A (en) * | 2004-03-16 | 2005-09-21 | 明基电通股份有限公司 | Projector, bulb assembly and wind-guiding sheet |
| CN1749848A (en) * | 2004-09-17 | 2006-03-22 | 佳能株式会社 | Light source apparatus, optical apparatus, and image projection apparatus |
-
2007
- 2007-11-26 CN CN2007102026716A patent/CN101446750B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1670617A (en) * | 2004-03-16 | 2005-09-21 | 明基电通股份有限公司 | Projector, bulb assembly and wind-guiding sheet |
| CN1749848A (en) * | 2004-09-17 | 2006-03-22 | 佳能株式会社 | Light source apparatus, optical apparatus, and image projection apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 说明书第12页第16行-说明书第16页第17行，附图3-7. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101446750A (en) | 2009-06-03 |
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Granted publication date: 20100929 Termination date: 20161126 |
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| CF01 | Termination of patent right due to non-payment of annual fee |