CN101598891B - Projector - Google Patents
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- CN101598891B CN101598891B CN2009101598083A CN200910159808A CN101598891B CN 101598891 B CN101598891 B CN 101598891B CN 2009101598083 A CN2009101598083 A CN 2009101598083A CN 200910159808 A CN200910159808 A CN 200910159808A CN 101598891 B CN101598891 B CN 101598891B
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Abstract
The invention discloses a projector, which comprises a shell, a first heat source, a second heat source, a first fan, a second fan and a first guiding component, wherein the first heat source, the second heat source, the first fan, the second fan and the first guiding component are arranged in the shell. The first fan comprises a wind inlet surface, a wind outlet surface and a lateral surface, wherein the wind outlet surface is adjacent to an outer edge of the shell; and the lateral surface is provided with an opening and is adjacent to both the wind inlet surface and the wind outlet surface. Besides, the first fan generates a second airflow; and the second airflow flows through the second heat source and is discharged out of the projector from the wind outlet surface. In addition, the second fan generates a first airflow which flows through the first heat source. The first guiding component is adjacent to the first heat source for guiding the first airflow which flows through the first heat source to the opening.
Description
Technical field
The present invention relates in particular to a kind of projector of improving radiating efficiency about a kind of projector.
Background technology
In meeting, film such as viewed and admired, perform at occasion, projector often was used to data projections such as bulletin, film, images on the cloth curtain.Present projector on the market, with 3 piece type liquid crystal projections (3LCD), digital light handle (digital light processing, DLP), (Liquid Crystalon Silicon, LCoS) etc. shadow casting technique is main in the silicon substrate liquid crystal display.Though color separation, the projection theory of these shadow casting techniques are had nothing in common with each other, be white light source all mostly with high-pressure halogen lamp or mercury bulb, the modes such as dichronic mirror, panel or colour wheel that see through are again isolated R, G, B three primary colors with white light.In addition,, released on the market with light emitting diode (LED) and replaced the projector of conventional bulb, as one of solution of projector's microminiaturization as light source along with the user is more and more higher to the requirement of portability.
See also Fig. 1, Fig. 1 illustrates the floor map of the projector 9 of prior art.As shown in Figure 1, projector 9 mainly comprises casing 90, lampshade 91, light source 93 (high-pressure halogen lamp, high tension mercuric bulb, light emitting diode as the aforementioned), light engine 95, first fan 97 and second fan 99.Light source 93 is fixed in the lampshade 91, and 91 on lampshade is fixed in the barricade 900 on the casing 90.In addition, after the optical module effect of the light that light source 93 is sent in light engine 95, produce the projected light beam of high brightness, high contrast.
97 in first fan produces air-flow (shown in the solid line arrow), and through guiding subassembly 970 air-flow is directed in the lampshade 91, causes the part air-flow can blow to light source 93, to take away the heat energy that light source 93 is produced.In addition, be subjected to stopping of barricade 900 through the thermal current of light source 93, thereby be focused to barricade 900 lower right corner, the breach 902 from the barricade 900 flows out again.Second fan 99 is arranged at barricade 900 outsides to should breach 902, in order to attracting thermal current, and thermal current is discharged outside the casing 90.Cooperatively interact by aforementioned first fan 97, guiding subassembly 970, barricade 900 and second fan 99, the heat energy that light source 93 can be produced is discharged, and avoids light source 93 because overheated and burn.
Yet because the space existence is arranged between barricade 900 and the lampshade 91 and second fan 99, so thermal current may shed from these spaces by (shown in dotted arrow), and flees in casing 90.These thermal currents that are not discharged from may make the electronic package in the projector 9 be subjected to the influence of high heat and damage.
Summary of the invention
Therefore, one of the object of the invention is to provide a kind of projector, to solve the problems of the prior art.
According to a particular embodiment of the invention, this projector comprises casing and is arranged at casing interior first thermal source, second thermal source, first fan, second fan and first guiding subassembly.First fan comprises inlet air face, outlet air surface and side.Wherein, the contiguous casing of outlet air surface edge, and the side has opening and adjacent to inlet air face and outlet air surface.First fan produces second airflow passes, second thermal source, and second air-flow is expelled to outside the projector via outlet air surface.Second fan produces first airflow passes, first thermal source.First guiding subassembly is adjacent to first thermal source, is directed to opening in order to first air-flow of first thermal source of will flowing through, and the outlet air surface by first fan is expelled to outside the projector again.
According to another specific embodiment of the present invention, this projector comprises casing and is arranged at casing interior light source module, first fan and first guiding subassembly.Light source module comprises lampshade and first thermal source that is positioned at lampshade.First fan comprises inlet air face, outlet air surface and side.Wherein, the contiguous casing of outlet air surface edge, and the side has opening and adjacent to inlet air face and outlet air surface.First guiding subassembly is adjacent to lampshade, and in order to first air-flow around first thermal source is directed to opening, the outlet air surface by first fan is expelled to outside the projector again.
According to a specific embodiment more of the present invention, this projector comprises casing and is arranged at casing interior first thermal source, first fan and first guiding subassembly.As previously mentioned, first fan comprises inlet air face, outlet air surface and side.Wherein, the contiguous casing of outlet air surface edge, and the side has opening and adjacent to inlet air face and outlet air surface.In addition, first guiding subassembly is adjacent to first thermal source, and in order to first air-flow around first thermal source is directed to opening, the outlet air surface by first fan is expelled to outside the projector again.
In sum, setting by first guiding subassembly, projector of the present invention can be directed to the thermal current of the internal heat resource of flowing through the opening of fan side, and directly discharge via fan, improve radiating efficiency by this, avoid thermal current to flee, and then avoid light source in the projector or other electronic package to be subjected to the influence of high heat and damage in projector inside.
Can be about the advantages and spirit of the present invention by following detailed Description Of The Invention and appended graphic being further understood.
Description of drawings
Fig. 1 illustrates the floor map of the projector of prior art.
Fig. 2 illustrates the floor map according to the projector of first embodiment of the present invention.
Fig. 3 A and Fig. 3 B illustrate the schematic perspective view according to first fan of second embodiment of the present invention respectively.
Fig. 4 A and Fig. 4 B illustrate the synoptic diagram according to first guiding subassembly of the present invention and first fan combination respectively.
Fig. 5 illustrates the floor map according to the projector of the 3rd embodiment of the present invention.
Embodiment
The invention provides a kind of projector, it comprises casing and is arranged at casing interior first thermal source, first fan and first guiding subassembly.First fan comprises inlet air face, outlet air surface and side.The contiguous casing of outlet air surface edge, and the side has opening and adjacent to inlet air face and outlet air surface.Especially, first guiding subassembly is adjacent to first thermal source, in order to first air-flow around first thermal source is directed to opening, and directly is expelled to outside the projector by the outlet air surface of first fan.
In practical application, projector of the present invention may comprise a not only thermal source, and thermal source may be light source module, Voltage stabilizing module or other spare part.Below the embodiment of projector of the present invention will be described with light source as second thermal source as first thermal source, lampshade.
See also Fig. 2, it illustrates the floor map according to the projector 1 of first embodiment of the present invention.As shown in Figure 2, projector 1 comprises casing 10, lampshade 11, light source 13 (high-pressure halogen lamp, high tension mercuric bulb, light emitting diode as the aforementioned), light engine 14, first fan 16, first guiding subassembly 17, second fan 18 and second guiding subassembly 19.Wherein, the light source module of lampshade 11 and light source 13 constituting projectors 1.
Casing 10 inner faces are provided with barricade 100, on the barricade 100 and dig and be provided with some breach 102.Lampshade 11 is arranged in the barricade 100, and by 100 of barricades around.13 of light sources are arranged in the lampshade 11, and are positioned at the center of lampshade 11 substantially.Light engine 14 comprises many group polarization, beam split and filtering assemblies, produces projected picture in order to handle the light that light source 13 sent.For instance, light engine 14 may comprise penetrate through type liquid crystal display board, reflective digital optical processor, digital minitype reflector assembly (digital micromirror device, DMD), silicon substrate LCD assembly, polarization splitting prism (polarization beamsplitters, PBS), bandpass filter (Band pass filter, BPF), UV-IR filter etc.
Please in the lump referring to Fig. 3 A, it illustrates the schematic perspective view according to first fan 16 of first embodiment of the present invention.First fan 16 is arranged at casing 10 inner faces, and the sidewall of close casing 10.And first fan 16 comprises inlet air face 16a, outlet air surface 16b and side 16c.Wherein, the contiguous casing of outlet air surface 16b 10 edges, and side 16c has opening 162 and adjacent to inlet air face 16a and outlet air surface 16b.In addition, first fan 16 produces the second air-flow F3, the F4 lampshade 11 of flowing through, and is expelled to outside the projector 1 via outlet air surface 16b again.
In practical application, projector 1 of the present invention also can comprise and be funnelform fan housing substantially, and the end shield that its area is bigger is lived the front of second fan 18, and second guiding subassembly 19 then is socketed on the less end of fan housing area.By this, first air-flow that can allow second fan 18 be produced enters in the lampshade 11 via second guiding subassembly 19 fully.
In addition, in practical application, projector 1 of the present invention not necessarily will comprise second guiding subassembly 19, and can adjust the position and the direction of second fan 18, makes first air-flow of its generation can directly blow to thermal source.
In addition, first guiding subassembly 17 connects the lampshade 11 and first fan 16 respectively, and its two end interface is aimed at the opening 162 on the framework 160 of the air outlet (not being illustrated among the figure) on the lampshade 11 and first fan 16 respectively.By this, first guiding subassembly 17 can be directed to opening 162 through air outlet with the first air-flow F1, the F2 of lampshade 11 inside, by first fan 16 the first air-flow F1, F2 being seen through outlet air surface 16b more directly is expelled to outside the projector 1, the fan center that so can avoid the first higher air-flow F1 of temperature, F2 directly to contact first fan 16 causes that electronic package damages in the fan center of first fan 16.
Please again referring to Fig. 3 B, it illustrates the schematic perspective view according to first fan 16 of second embodiment of the present invention.Shown in Fig. 3 B, in this embodiment, the opening 162 that is positioned on first fan, the 16 side 16c also is provided with a plurality of fair water fins 164, in order to guide the direction of the first air-flow F1, F2.In practical application, the angle of fair water fin 164 can be adjusted according to circumstances, and it is good more that the first air-flow F1, F2 can be discharged by first fan 16 soon more.
In this embodiment, first guiding subassembly 17 is bendable wind-guiding road, and it can provide support power by barricade 100.In practical application, this bendable wind-guiding road is the made pipeline of elastic material (for example, rubber or plastics).In addition, second guiding subassembly 19 can be the made bendable wind-guiding road of elastic material too.
Please again referring to Fig. 4 A and Fig. 4 B, Fig. 4 A and Fig. 4 B illustrate the synoptic diagram that first guiding subassembly 17 according to the present invention combines with first fan 16 respectively.Shown in Fig. 4 A, first guiding subassembly 17 sticks together the framework 160 that is fixed in first fan 16 with adhesive agent 20.In practical application, the material of visual first guiding subassembly 17 of the selection of adhesive agent 20 and changing is not limited to any specific adhesive agent 20.In addition, shown in Fig. 4 B, first guiding subassembly 17 is locked in the framework 160 of first fan 16 with screw 22.In practical application, the other end of first guiding subassembly 17 also can adhesive agent 20, screw 22 or otherwise is fixed in lampshade 11.In addition, in practical application, second guiding subassembly 19 also can adhesive agent, screw or otherwise is fixed in lampshade 11 and second fan 18.
In practical application, first fan 16 is discharged the flow of the flow of air-flow greater than second fan, 18 generation air-flows in the unit interval.In other words, the air capacity of first fan 16 is used the flowing velocity of strengthening flow in lampshade 11 greater than the gas production rate of second fan 18, to promote the radiating efficiency to light source 13, reaches preferable cooling effect.
In addition, in practical application, projector of the present invention can comprise a plurality of first guiding subassemblies, be arranged at the diverse location on the lampshade respectively, and also can comprise other corresponding opening on the side of first fan, make that the thermal current in the lampshade can flow to first fan through the first different guiding subassemblies simultaneously.Perhaps, projector of the present invention also can comprise a plurality of first fans of corresponding a plurality of first guiding subassemblies, to accelerate the speed that thermal current is discharged.
Please again referring to Fig. 5, it illustrates the floor map according to the projector of the 3rd embodiment of the present invention.As shown in Figure 5, the projector in this embodiment 1 comprises casing 10, lampshade 11, light source 13, light engine 14, first fan 16, first guiding subassembly 17, second fan 18 and second guiding subassembly 19 equally.
Different with Fig. 2 is, also be provided with the second baffle 110a and the first baffle plate 110b in the lampshade 11 of the projector 1 in this embodiment, be respectively adjacent to air intake vent and air outlet on the lampshade 11, just lay respectively at the contiguous place of second guiding subassembly 19 and first guiding subassembly 17.The first air-flow F1, F2 that bootable second fan 18 of second baffle 110a produces enter in the lampshade 11 from second guiding subassembly 19, and the then bootable first air-flow F1 of the first baffle plate 110b, F2 enter first guiding subassembly 17 in lampshade 11.
By the setting of the second baffle 110a and the first baffle plate 110b, can prevent that first air-flow scatters and disappears to projector 1 inside from lampshade 11 front ends.In addition, when projector uses bulbous bulb (as shown in Figure 5) as light source, bulb is latter half of far away from air intake vent, cause first air-flow to be not easy to blow to the latter half of of bulb, setting by the second baffle 110a and the first baffle plate 110b, also can increase the latter half of airshed of the bulb of flowing through, improve the radiating efficiency of bulb.In practical application, but the second baffle 110a and the first baffle plate 110b individualism not necessarily will be provided with simultaneously.
In sum, setting by first guiding subassembly, projector of the present invention can be directed to the thermal current of the internal heat resource of flowing through the opening of fan side, and directly discharge via fan, improve radiating efficiency by this, the first, avoid thermal current to flee, and then avoid light source in the projector or other electronic package to be subjected to the influence of high heat and damage in projector inside; The second, so can avoid the higher air-flow of temperature directly to contact the fan center of fan, cause that electronic package damages in the fan center of fan.Be noted that guiding subassembly of the present invention and fan also can be used to other thermal source of projector inside is dispelled the heat, and are not limited in above lamp source, lampshade of giving an example.
Though the present invention discloses as above with embodiment, right its is not in order to limit the present invention, any have a technical field of the invention know the knowledgeable usually, without departing from the spirit and scope of the present invention, when doing various changes and retouching, therefore, claim scope of the present invention should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equality to cause it.
Claims (10)
1. projector, it comprises casing and is arranged at this casing interior light source module, first fan and first guiding subassembly, wherein this light source module comprises the lampshade and first thermal source, this first fan comprises inlet air face, outlet air surface and adjacent to the side of this inlet air face and this outlet air surface, contiguous this casing edge of this outlet air surface is characterized in that:
This side has opening, and this first guiding subassembly is adjacent to this lampshade, in order to first air-flow around this first thermal source is directed to this opening.
2. projector as claimed in claim 1 is characterized in that this lampshade further comprises: first baffle plate, contiguous this first guiding subassembly enters this first guiding subassembly in order to guide this first air-flow.
3. projector as claimed in claim 1 is characterized in that the outside that this first fan produces second this lampshade of airflow passes, and this second air-flow is expelled to outside this projector via this outlet air surface.
4. projector as claimed in claim 3 is characterized in that further comprising:
Second fan is arranged in this casing and contiguous this lampshade, in order to produce this first thermal source of this first air flow direction.
5. projector as claimed in claim 4 is characterized in that further comprising:
Second guiding subassembly connects this second fan and this lampshade, in order to this first air-flow is directed to this lampshade inside.
6. projector as claimed in claim 5 is characterized in that this lampshade further comprises: second baffle, contiguous this second guiding subassembly enters this lampshade inside in order to guide this first air-flow.
7. as claim 4 or 5 described projectors, it is characterized in that the temperature of the temperature of this second air-flow less than this first air-flow.
8. projector, it comprises casing and is arranged at this casing interior first thermal source, second thermal source, first fan, second fan and first guiding subassembly, this first fan comprises inlet air face, outlet air surface and adjacent to the side of this inlet air face and this outlet air surface, contiguous this casing edge of this outlet air surface is characterized in that:
This side has opening;
This second fan is in order to produce this first thermal source of first airflow passes;
This first guiding subassembly is adjacent to this first thermal source, is directed to this opening in order to this first air-flow of this first thermal source of will flowing through; And
This first fan produces second air-flow with this second thermal source of flowing through, and this second air-flow is expelled to outside this projector via this outlet air surface.
9. projector as claimed in claim 8 is characterized in that this second thermal source is a lampshade, and this first thermal source is positioned at this lampshade; And this projector further comprises second guiding subassembly, connects this second fan and this lampshade, in order to this first air-flow is directed to this lampshade inside.
10. projector as claimed in claim 9, it is characterized in that this lampshade further comprises first baffle plate and second baffle, wherein this first baffle plate is close to this first guiding subassembly, in order to guide this first air-flow to enter this first guiding subassembly, contiguous this second guiding subassembly of this second baffle enters this lampshade inside in order to guide this first air-flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101598083A CN101598891B (en) | 2009-06-25 | 2009-06-25 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101598083A CN101598891B (en) | 2009-06-25 | 2009-06-25 | Projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101598891A CN101598891A (en) | 2009-12-09 |
| CN101598891B true CN101598891B (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101598083A Active CN101598891B (en) | 2009-06-25 | 2009-06-25 | Projector |
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| Country | Link |
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| CN (1) | CN101598891B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073204B (en) * | 2010-12-02 | 2012-03-14 | 苏州佳世达光电有限公司 | Projection device |
| CN110632811A (en) * | 2019-09-29 | 2019-12-31 | 深圳市火乐科技发展有限公司 | Projector with a light source |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1228682C (en) * | 2002-04-05 | 2005-11-23 | 中强光电股份有限公司 | Radiation structure for projector |
| CN100362425C (en) * | 2003-07-28 | 2008-01-16 | 精工爱普生株式会社 | Conduit and projector |
-
2009
- 2009-06-25 CN CN2009101598083A patent/CN101598891B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1228682C (en) * | 2002-04-05 | 2005-11-23 | 中强光电股份有限公司 | Radiation structure for projector |
| CN100362425C (en) * | 2003-07-28 | 2008-01-16 | 精工爱普生株式会社 | Conduit and projector |
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| Publication number | Publication date |
|---|---|
| CN101598891A (en) | 2009-12-09 |
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