CN101464618A - Projection apparatus with cooling structure - Google Patents
Projection apparatus with cooling structure Download PDFInfo
- Publication number
- CN101464618A CN101464618A CNA2007101252762A CN200710125276A CN101464618A CN 101464618 A CN101464618 A CN 101464618A CN A2007101252762 A CNA2007101252762 A CN A2007101252762A CN 200710125276 A CN200710125276 A CN 200710125276A CN 101464618 A CN101464618 A CN 101464618A
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- Prior art keywords
- projector
- radiator structure
- radiator
- light source
- cabinet
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Abstract
A projector provided with a radiating structure comprises a crate, a light source positioned in the crate, and the radiating structure combined with the light source; and the radiating structure comprises an absorber plate absorbing heat from the light source, a radiator far away from the absorber plate, and a heat pipe connecting the absorber plate with the radiator. Heat produced by the light source is absorbed by the absorber plate, transmitted to the radiator through the heat pipe, and then dissipated out; and the heat dissipation is sufficient and rapid.
Description
Technical field
The present invention relates to a kind of projector, outstanding reference and a kind of projector with radiator structure.
Background technology
Along with the progress of shadow casting technique, can export high resolving power and big picture digital projector application more and more widely.For making projector reach the requirement of high brightness and sharpness, usually use the light source of powerful bulb module as projector.Yet when working, high-power bulb module produces a large amount of heat.And, under the trend that projector weight constantly descends, profile is day by day small and exquisite, cause the projector temperature inside more and more higher along with the progressively expansion of portable, super portable projection instrument demand.Because projector belongs to high-grade, precision and advanced optical, mechanical and electronic integration product, its inner components and parts are very responsive to temperature, and as these heats of untimely discharge, the work efficiency of projector will reduce; And work under this environment for a long time, also can shorten greatly the serviceable life of projector.Therefore, projector need be provided with a radiator structure its internal components is dispelled the heat.Yet under the projector trend toward miniaturization, projector all has higher requirements to the aspects such as volume, layout and heat-sinking capability of radiator structure.
Summary of the invention
In view of this, be necessary to provide a kind of projector in fact with radiator structure with good heat radiating ability.
A kind of projector with radiator structure, comprise a cabinet, be positioned at the light source of this cabinet and the radiator structure that combines with this light source, this radiator structure comprises that an absorber plate that absorbs heat from this light source, is away from the heating radiator of this absorber plate and connect the heat pipe of this absorber plate and heating radiator.
Compared with prior art, the heat that above-mentioned light source produces is passed to heating radiator by the absorber plate absorption by heat pipe and distributes, and heat radiation fully rapidly.
With reference to the accompanying drawings, the invention will be further described in conjunction with concrete embodiment.
Description of drawings
Fig. 1 is the three-dimensional combination figure that the present invention has the projector of radiator structure.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the three-dimensional exploded view of radiator structure and light source among Fig. 1.
Fig. 4 is the three-dimensional combination figure of radiator structure among Fig. 3.
Embodiment
See also Fig. 1 and Fig. 2, the projector that the present invention has radiator structure comprises a cabinet 10, places two light sources 20 in this cabinet 10 and the radiator structure 30 that is positioned at this cabinet 10 and is connected with this two light source 20.
Please consult Fig. 3 simultaneously, above-mentioned cabinet 10 is a square casing, and above-mentioned two light sources 20 are positioned at a sidepiece of this cabinet 10.In the present embodiment, each light source 20 is a light emitting diode bulb, and it comprises a circuit board 210 and is installed on light emitting diode 230 on this circuit board 210.The circuit board 210 of this two light source 20 is vertical mutually in this cabinet 10, and the light direction of this two light emitting diode 230 is vertical.
Be provided with one first condenser 110 between above-mentioned two light sources 20, the light that this two light source 20 sends is arranged at the spectroscope 120 of these condenser 110 1 sides by these condenser 110 back directives.Arrive the camera lens 150 that is embedded on the cabinet 10 through the light behind the spectroscope 120 by a liquid crystal board 130 and one second condenser, 140 backs, thereby be projeced into the fluorescent screen imaging.One liquid crystal control circuit 131 is positioned at the other side of this cabinet 10, in order to control this liquid crystal board 130.
Please consult Fig. 4 simultaneously, above-mentioned radiator structure 30 comprises a fan 40, be positioned at first heating radiator 50 of these fan 40 1 sides and second heating radiator 60 that amplexiforms with a light source 20 wherein, the absorber plate 70 that amplexiforms with another light source 20, the heat pipe 80 that is connected this first heating radiator 50 and absorber plate 70.
One air port of said fans 40 corresponding above-mentioned cabinet 10 1 sidewalls (figure do not show) is provided with and is positioned at the sidepiece of this cabinet 10.This two light source 20, first heating radiator 50, second heating radiator 60, absorber plate 70 and heat pipe 80 all are positioned at these fan 40 homonymies and air port that should fan 40 are provided with.
See also Fig. 3, said fans 40 comprises a wheel hub 410 and the some flabellums 420 that extend to external radiation from this wheel hub 410.One end of this wheel hub 410 fixed part 430 that further stretches out.This fixed part 430 is a disc-shaped structure, and its diameter is greater than the external diameter of wheel hub 410.The periphery of this fixed part 430 three fixed arms 431 that further stretch out.This three fixed arm 431 equidistantly is uniformly distributed in this fixed part 430 peripheries.The proximal end of each fixed arm 431 is provided with a fixed orifice 432, in order to by screw 90 this fan 40 is fixed on the fixed mount 440.This fixed mount 440 comprise a pair of should fixed part 430 spacer 441 from and these stator 441 two ends outward extending 2 first spacers 444,2 second spacers 446 respectively.This stator 441 is roughly T-shaped.The fixed orifice 432 of these stator 441 corresponding fixed arms 431 is provided with three fixed orifices 442, thereby screw 90 passes this fixed orifice 442,432 fan 40 is fixed on this fixed mount 440.This 2 first spacer 444 roughly is a spanner shape with this stator 441.The lateral buckling that this 2 first spacer 444 omits to this stator 441.Has a breach (not indicating) between this 2 first spacer 444.This second spacer 446 is approximately perpendicular to this stator 441 and is positioned at the homonymy of this stator 446 with this first spacer 444.Be provided with a breach (not indicating) between this 2 second spacer 446.This second spacer is longer than this first spacer 444.
Above-mentioned absorber plate 70 is a square plate body, and it is made by heat conductivity good metal material.This absorber plate 70 has a bottom surface 711, and this absorber plate 70 is by being concaved with a groove 713 of accommodating above-mentioned heat pipe 80 in this bottom surface 71.One concave end of this absorber plate 70 and 711 form steps (indicating) in this bottom surface.The end of first spacer 444 of said fixing frame 440 is replaced and is positioned this step.An above-mentioned wherein light source 20 adheres on the relative heat-absorbent surface (indicating) in this absorber plate 70 and this bottom surface 711.
Above-mentioned first heating radiator 50 is formed by the extruding of metal material one, and it comprises that one first base plate 510 reaches from these first base plate, 510 outward extending some first parallel fins 530.This first base plate 510 has one first bottom surface 511.This first base plate 510 inwardly is provided with one by this bottom surface 511 and accommodates above-mentioned heat pipe 80 grooves 513.One concave end of this first base plate 510 and 511 form steps (indicating) in this bottom surface.The end of second spacer 446 of said fixing frame 440 is replaced and is positioned this step.
Above-mentioned heat pipe 80 is roughly L-shaped, and it comprises one first heat transfer segment 810 and second heat transfer segment 830 of extending from this first heat transfer segment 810.Form a turning between this first heat transfer segment 810 and second heat transfer segment 830.Above-mentioned first heat transfer segment 810, second heat transfer segment 830 are contained in the groove 713,513 of above-mentioned absorber plate 70, first heating radiator 50 respectively.This first heat transfer segment 810 has arcwall face that is contained in this groove 713 and fits with this absorber plate 70 and the plane that flushes with the bottom surface 711 of this absorber plate 70.This second heat transfer segment 830 has arcwall face that is contained in this groove 513 and fits with first base plate 510 of this first heating radiator 50 and the plane that flushes with the bottom surface 511 of this first base plate 510.
Above-mentioned second heating radiator 60 comprises one second base plate 610 and is vertically installed in some second fins 630 on this second base plate 610.This second base plate 610 has relative two side faces, and wherein a side has posted above-mentioned another light source 20, and the another side has posted this second fin 630.This second fin 630 is roughly L-shaped, and it is formed by the bending of metal lamellar body, and it comprises that the joint portion (indicating) of this second base plate 610 of fitting reaches the radiating part (indicating) perpendicular to this second base plate 610.
In the above-mentioned heat spreader structures 30, first fin 530 of above-mentioned first heating radiator 50 and second fin 630 of second heating radiator 60 are between second base plate 610 of first base plate 510 of this first heating radiator 50 and second heating radiator 60.In above-mentioned cabinet 10, this heat spreader structures 30 is positioned at a corner of this cabinet 10, and the above-mentioned absorber plate 70 and first heating radiator 50 be two adjacent sidewalls of close this cabinet 10 respectively.The turning of above-mentioned heat pipe 80 is to turning that should cabinet 10.
During work, above-mentioned light source 20 work are luminous, produce heat simultaneously, wherein the heat of a light source 20 generations is absorbed by above-mentioned absorber plate 70 and is passed to first heating radiator 50 by heat pipe 80, the heat that another light source 20 produces is absorbed by second heating radiator 60, the heat that light source 20 is produced passes rapidly timely, and the heat on this first heating radiator 50 under the effect of said fans 40 and second heating radiator 60 promptly distributes.
Compared with prior art, the heat that above-mentioned two light sources 20 produce is passed to first heating radiator 50 by heat pipe 80 and is directly absorbed by second heating radiator 60, said fans 40 is directly to should light source 20 and first and second heating radiator 50,60, make on these elements heat fully, distribute rapidly.In addition, this cooling mechanism 30 is positioned at the corner of above-mentioned cabinet 10, and this absorber plate 70 and first heating radiator 50 be respectively near two adjacent sidewalls of above-mentioned cabinet 10, connects the turning that 80 pairs of the heat pipes of this absorber plate 70 and first heating radiator 50 should this cabinet 10 turning is set, be convenient to layout, save the space.
Claims (13)
1. projector with radiator structure, comprise a cabinet, be positioned at the light source of this cabinet and the radiator structure that combines with this light source, it is characterized in that: described radiator structure comprises that an absorber plate that absorbs heat from described light source, is away from the heating radiator of this absorber plate and connect the heat pipe of this absorber plate and heating radiator.
2. the projector with radiator structure as claimed in claim 1 is characterized in that: described radiator structure comprises that also one provides the fan of convection current to described light source, absorber plate and heating radiator.
3. the projector with radiator structure as claimed in claim 2 is characterized in that: described fan is fixed to a fixed mount that is positioned described absorber plate and heating radiator.
4. the projector with radiator structure as claimed in claim 3, it is characterized in that: described fan comprises that a wheel hub reaches from the outward extending fixed part of this wheel hub one end one, described fixed mount comprises a stator and first spacer and second spacer that extend from these stator two ends, and this fixed part is fixed on this stator.
5. the projector with radiator structure as claimed in claim 4 is characterized in that: the diameter of described fixed part is greater than the external diameter of described wheel hub.
6. the projector with cooling mechanism as claimed in claim 4 is characterized in that: the corresponding described heat pipe of described first spacer is provided with a breach.
7. the projector with radiator structure as claimed in claim 4 is characterized in that: the corresponding described heat pipe of described second spacer is provided with a breach.
8. the projector with radiator structure as claimed in claim 4 is characterized in that: the periphery of the described fixed part plurality of fixed arm that stretches out, this fixed arm by screw retention to described stator.
9. the projector with radiator structure as claimed in claim 4 is characterized in that: an end of described absorber plate is provided with a step, and described first spacer is positioned to this step place.
10. the projector with radiator structure as claimed in claim 4, it is characterized in that: described heating radiator comprises a base plate that combines with described heat pipe and the some fins that extend from this base plate, this base plate one end is provided with a step, and described second spacer is positioned to this step place.
11. as each described projector with radiator structure in the claim 1 to 10, it is characterized in that: described radiator structure is positioned at a corner of described cabinet.
12. the projector with radiator structure as claimed in claim 11 is characterized in that: described fan is near a sidewall of described cabinet, and described heating radiator is near an adjacent wall of this cabinet, and described heat pipe is provided with a turning to turning that should cabinet.
13. as each described projector in the claim 1 to 10 with radiator structure, it is characterized in that: described radiator structure also comprises one second heating radiator, and this second heating radiator comprises a base plate that combines with another light source and the fin that extends to described heating radiator from this base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101252762A CN101464618B (en) | 2007-12-19 | 2007-12-19 | Projection apparatus with cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101252762A CN101464618B (en) | 2007-12-19 | 2007-12-19 | Projection apparatus with cooling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101464618A true CN101464618A (en) | 2009-06-24 |
| CN101464618B CN101464618B (en) | 2011-09-28 |
Family
ID=40805267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101252762A Expired - Fee Related CN101464618B (en) | 2007-12-19 | 2007-12-19 | Projection apparatus with cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101464618B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101848627A (en) * | 2010-02-10 | 2010-09-29 | 苏州佳世达光电有限公司 | Electronic device and projecting camera |
| CN107290915A (en) * | 2017-08-21 | 2017-10-24 | 青岛海信电器股份有限公司 | Projector equipment |
| CN107479307A (en) * | 2017-08-21 | 2017-12-15 | 青岛海信电器股份有限公司 | Projector equipment |
| CN109462968A (en) * | 2018-12-27 | 2019-03-12 | 深慧视(深圳)科技有限公司 | A kind of radiator of multi-surface heat-producing device |
| CN110602928A (en) * | 2019-09-24 | 2019-12-20 | 中国船舶重工集团公司第七0七研究所 | Local enhanced heat dissipation device for closed case |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110750026B (en) * | 2019-09-25 | 2021-01-29 | 深圳市火乐科技发展有限公司 | Projector with a light source |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100683171B1 (en) * | 2005-03-08 | 2007-02-15 | 삼성전자주식회사 | Cooling apparatus and projector having the same |
| CN1991570A (en) * | 2005-12-29 | 2007-07-04 | 普立尔科技股份有限公司 | Portable projector |
| CN101464617B (en) * | 2007-12-19 | 2011-11-09 | 富准精密工业(深圳)有限公司 | Projection apparatus with cooling structure |
-
2007
- 2007-12-19 CN CN2007101252762A patent/CN101464618B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101848627A (en) * | 2010-02-10 | 2010-09-29 | 苏州佳世达光电有限公司 | Electronic device and projecting camera |
| CN107290915A (en) * | 2017-08-21 | 2017-10-24 | 青岛海信电器股份有限公司 | Projector equipment |
| CN107479307A (en) * | 2017-08-21 | 2017-12-15 | 青岛海信电器股份有限公司 | Projector equipment |
| CN107479307B (en) * | 2017-08-21 | 2020-08-28 | 海信视像科技股份有限公司 | Projection device |
| CN107290915B (en) * | 2017-08-21 | 2020-08-28 | 海信视像科技股份有限公司 | Projection device |
| CN109462968A (en) * | 2018-12-27 | 2019-03-12 | 深慧视(深圳)科技有限公司 | A kind of radiator of multi-surface heat-producing device |
| CN110602928A (en) * | 2019-09-24 | 2019-12-20 | 中国船舶重工集团公司第七0七研究所 | Local enhanced heat dissipation device for closed case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101464618B (en) | 2011-09-28 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20111219 |