CN103941529A - Projector cooling device - Google Patents
Projector cooling device Download PDFInfo
- Publication number
- CN103941529A CN103941529A CN201310022523.1A CN201310022523A CN103941529A CN 103941529 A CN103941529 A CN 103941529A CN 201310022523 A CN201310022523 A CN 201310022523A CN 103941529 A CN103941529 A CN 103941529A
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- China
- Prior art keywords
- projector
- circuit board
- module
- cooling device
- radiating
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Abstract
The invention provides a projector cooling device. The projector cooling device comprises an optical machine, a circuit board, an enclosure and a fan. The optical machine comprises a light source, an optical module and at least one radiating module, the light source and the optical module are provided with the radiating modules, the radiating modules are adjacent to the circuit board and located at one side of the enclosure, the fan is adjacent to the circuit board and forms a radiating channel on a side edge of the enclosure, and the radiating modules and the circuit board are located in the radiating channel. Through the radiating channel formed on the side edge of the enclosure by the fan, the projector cooling device can effectively cool heating sources of the optical machine at the same time, can reduce costs and noise, and has an effect of energy conservation.
Description
Technical field
The present invention relates to a kind of projector cooling device, relate in particular to a kind of projector's cooling device that uses solid state light emitter to arrange.
Background technology
The light source that general projector is used, as tungsten halogen lamp, metal halide lamp, ultrahigh pressure mercury lamp or xenon lamp etc., its common characteristic having is overheated, high power consumption, low bulb life, volume is excessive, weight is gently not portable again.Especially produce the part of high temperature, need to dispel the heat with plural cooling fan, to maintain the normal operation of this projector.In recent years, electronic product development is with the trend development of " light, thin, short, little, cost is low ", optical projector product is no exception, adopt at the Lights section the solid state light emitter that small volume and life-span grow, as light emitting diode (LED) or laser diode (LD) is used as light source.But, in projector, just light source does not have high heat generation, the optical module of other common runnings also has the generation of heat, for example, to produce digital micro-mirror device (the Digital Micro-mirror Device of projection image strip, DMD) in the time of running, also can produce heat, all need cooling device to dispel the heat, the effect of heat radiation is better will make the projection usefulness of projector better.The projector heat sink using at present is mainly divided into pyrotoxin light source and non-light source, the running that cooling fan dispels the heat is individually set respectively again, the heat abstractor of this class plural fan composition, is not only unfavorable for that the miniaturization of product but also cost height have again the problem of noise.So how to reduce the use amount of fan in the projector system that adopts solid state light emitter, and promote the radiating efficiency of projector, still need to study again improvement.
Summary of the invention
In view of this, be necessary to provide the projector's cooling device that can assist heat dissipation to promote.
The invention provides a kind of projector cooling device, it comprises a ray machine, a circuit board, a casing and a fan, described ray machine comprises a light source, an optical module and at least one radiating module, described light source and described optical module arrange respectively described radiating module, the setting adjacent with described circuit board of described radiating module is also positioned at a side of described casing, the contiguous described circuit board setting of described fan also forms a radiating flow passage at the side of described casing, and described radiating module and described circuit board are positioned at described radiating flow passage.
Compare prior art, projector of the present invention cooling device, form described radiating flow passage by described fan at the side of described casing, make the heat generating components such as described radiating module and described circuit board all be positioned at described radiating flow passage, thereby can be simultaneously to the running of dispelling the heat of described projector heat generating component, can effectively promote the heat dissipation of described projector, and can reduce costs, quality that noise-decreasing improves described projector.
Brief description of the drawings
The first embodiment vertical view of Tu1Shi projector of the present invention cooling device.
The vertically disposed vertical view of circuit board of Tu2Shi Fig. 1 projector cooling device.
The second embodiment vertical view of Tu3Shi projector of the present invention cooling device.
Main element symbol description
| Cooling device | 10、20 |
| Radiating flow passage | 102、202 |
| Ray machine | 12、22 |
| Light source | 122、222 |
| The first optical lens group | 1222、2222 |
| Fluorescent wheel | 1224、2224 |
| Optical module | 124、224 |
| The second optical lens group | 1242、2242 |
| Digital micro-mirror device | 1244、2244 |
| Projection lens | 1246、2246 |
| Radiating module | 126、226 |
| Circuit board | 14、24 |
| Casing | 16、26 |
| The first side plate | 162、262 |
| Air intake opening | 1622、2622 |
| The second side plate | 164、264 |
| Exhausr port | 2642 |
| Front shroud | 166、266 |
| Back shroud | 168、268 |
| Air hole | 160 |
| Fan | 18、28 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with accompanying drawing, the present invention being done to one specifically introduces.
Refer to Fig. 1, for the first embodiment vertical view of projector of the present invention cooling device, described cooling device 10 arranges and comprises a ray machine 12, circuit board 14, casing 16 and a fan 18, described ray machine 12 comprises a light source 122, optical module 124 and at least one radiating module 126, and described light source 122 and described optical module 124 arrange respectively described radiating module 126.Described light source 122 is to be solid-state light module, can use light emitting diode or laser diode to produce a projecting beam, and the described light source 122 of this first embodiment is laser module, and described laser module is array laser or single laser.The described projecting beam that described light source 122 produces arranges fluorescent wheel 1224 of directive by the light path of first optical lens group 1222, described fluorescent wheel 1224 is subject to the irradiation of described projecting beam, generation color of light will be excited, described color of light is for primaries comprises red light, green light and blue light (R, G, B), and described primaries is again by described the first optical lens group 1222 described optical module 124 that leads.Described optical module 124 is oppositely arranged in described casing 16 with described light source 122, with producing projected light beam so that described optical module 124 is accepted described light source 122 primaries.Described optical module 124 has second optical lens group 1242, digital micro-mirror device 1244 and a projection lens 1246.The running of described optical module 124, by described the second optical lens group 1242, described light source 122 primaries of accepting are carried out to even light and close after the processing of light, guiding is projected to described digital micro-mirror device 1244, described digital micro-mirror device 1244 closes after irradiation described light source 122 primaries of acceptance, can reflect and produce a projected light beam, described projected light beam is gone out image projection by described projection lens 1246 again.Described light source 122 is oppositely arranged on the interior running of described casing 16 with described optical module 124 and produces in projection image's process, and described light source 122 and described digital micro-mirror device 1244 are to be main pyrotoxin.Therefore, described light source 122 and described digital micro-mirror device 1244 have respectively described radiating module 126 and arrange, and described radiating module 126 is to be radiating fin, can conduct the heat that described light source 122 and described digital micro-mirror device 1244 produce.Described light source 122 is arranged on described circuit board 14 with electric power supply and the driving Control Component of described optical module 124, so described circuit board 14 is also a pyrotoxin while running in projector, described circuit board 14 and the adjacent setting of described radiating module 126 are also positioned at a side of described casing 16.Described casing 16 is the housings for rectangle, has relative first side plate 162 and second side plate 164, and the contiguous described optical module 124 of described the first side plate 162, arranges and have an air intake opening 1622 on described the first side plate 162.The both sides, front and back of described the second side plate 164 connect respectively a front shroud 166 and a back shroud 168, the contiguous described circuit board 14 of described the second side plate 164, and the contiguous described circuit board 14 of described fan 18 arranges.In this first embodiment, described fan 18 is positioned at front end or the rear end of described circuit board 14, contiguous described front shroud 166 or described back shroud 168 arranges, the contiguous described front shroud 166 of front end that the described fan 18 of drawing in Fig. 1 is arranged in described circuit board 14 arranges that (Fig. 1 is positioned at the rear end of described circuit board 14 with the described fan 18 of dotted lines, contiguous described back shroud 168 arranges), and there is the air hole 160 being oppositely arranged on described front shroud 166 and described back shroud 168.When operating, described fan 18 can form a radiating flow passage 102 at the side of described casing 16 contiguous described the second side plates 164 by described air hole 160.Described radiating flow passage 102 further comprises the air-flow of introducing from the described air intake opening 1622 of described the first side plate 162, makes described circuit board 14 and described radiating module 126 all be positioned at described radiating flow passage 102.Described radiating flow passage 102 carries out coolingly described casing 16 is interior simultaneously to described radiating module 126 and described circuit board 14, can effectively improve heat dissipation and promote the quality of projector's projection image.The adjacent setting of described circuit board 14 and described radiating module 126, in a horizontal manner or the adjacent setting of vertical mode, in the time that described circuit board 14 arranges with the adjacent described radiating module 126 of vertical mode (as shown in Figure 2), segment space in the extensible relatively described casing 16 of described circuit board 14, thereby can utilize described space to strengthen the area of dissipation of adjacent described radiating module 126, heat dissipation is promoted more, contribute to the optimal design of projection quality of projector.
Shown in Fig. 3, for the second embodiment vertical view of projector of the present invention cooling device, described cooling device 20 arranges and comprises a ray machine 22, circuit board 24, casing 26 and a fan 28, described ray machine 22 comprises a light source 222, optical module 224 and at least one radiating module 226, and described light source 222 and described optical module 224 arrange respectively described radiating module 226.Compared to the described cooling device 10 of described the first embodiment, described cooling device 20 is roughly the same with the structure of described cooling device 10.For example, described light source 222 is to be solid-state light module equally, the described projecting beam that described light source 222 produces arranges fluorescent wheel 2224 of directive by the light path of first optical lens group 2222, described fluorescent wheel 2224 is subject to the irradiation of described projecting beam, the generation primaries that will be excited, described light source 222 primaries are again by described the first optical lens group 2222 described optical module 224 that leads.Described optical module 224 has second optical lens group 2242, digital micro-mirror device 2244 and a projection lens 2246.The running of described optical module 224 is also same as described optical module 124, by described the second optical lens group 2242, described light source 222 primaries of accepting are carried out to even light and close after the processing of light, guiding is projected to described digital micro-mirror device 2244 reflections and produces a projected light beam, and described projected light beam is gone out image projection by described projection lens 2246 again.Described light source 222 and described digital micro-mirror device 2244 have respectively described radiating module 226 and arrange.Described casing 26 is similarly the housing of rectangle, has relative first side plate 262 and second side plate 264, and the contiguous described optical module 224 of described the first side plate 262, has an air intake opening 2622 on described the first side plate 262 and arrange.The both sides, front and back of described the second side plate 264 connect respectively a front shroud 266 and a back shroud 268, the contiguous described circuit board 24 of described the second side plate 264.
This second embodiment and this first embodiment difference are that the position that described fan 28 arranges is different, described in the second embodiment, fan 28 arranges the left side or the right side that are positioned at described circuit board 24, the described radiating module 226 (as shown in Figure 3) of contiguous described light source 222 when described fan 28 is positioned at described circuit board 24 left side, contiguous described the second side plate 264 (Fig. 3 does not indicate) when described fan 28 is arranged in the right side of described circuit board 24, described the second side plate 264 has an exhausr port 2642 and arranges, described exhausr port 2642 is oppositely arranged with described air intake opening 2622.Described fan 28 is in the left side of described circuit board 24 or when the running of right side, can form a radiating flow passage 202 at a side of described casing 26 contiguous described the second side plates 264 by described exhausr port 2642, described radiating flow passage 202 further sucks extraneous air from described air intake opening 2622, therefore makes described circuit board 24 and described radiating module 226 all be positioned at described radiating flow passage 202.Described fan 28 is on described circuit board 24 left sides or right side, the described radiating module 226 of described light source 222 can be avoided described fan 28 increases its area of dissipation in front and back end, the described radiating module 226 increasing can be oppositely arranged fan 28 described at least one, promotes cooling effectiveness in order to promote heat dissipation.
Projector of the present invention cooling device, be close to described circuit board setting by described fan, and the described radiating module of adjacent described casing one side forms radiating flow passage, described radiating flow passage makes described circuit board and described radiating module all be positioned at described radiating flow passage, can effectively improve the heat dissipation of projector, contribute to project the design of image optimization.
In addition, those skilled in the art also can do other and change in spirit of the present invention, and certainly, the variation that these do according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (12)
1. projector's cooling device, it comprises a ray machine, a circuit board, a casing and a fan, it is characterized in that: described ray machine comprises a light source, an optical module and at least one radiating module, described light source and described optical module arrange respectively described radiating module, the setting adjacent with described circuit board of described radiating module is also positioned at a side of described casing, the contiguous described circuit board setting of described fan also forms a radiating flow passage at the side of described casing, described radiating module and described circuit board are positioned at described radiating flow passage.
2. projector as claimed in claim 1 cooling device, is characterized in that: described light source is to be solid-state light module, produces a projecting beam, and described projecting beam is by fluorescent wheel of a first optical lens group directive, the more described optical module that leads.
3. projector as claimed in claim 2 cooling device, is characterized in that: described light source is laser module, and described laser module is array laser or single laser.
4. projector as claimed in claim 1 cooling device, it is characterized in that: described optical module and described light source are oppositely arranged in described casing, described optical module has second optical lens group, a digital micro-mirror device and a projection lens, described the second optical lens group guides described projecting beam to described digital micro-mirror device, described digital micro-mirror device reflection produces a projected light beam, and described projected light beam is gone out image projection by described projection lens.
5. projector as claimed in claim 1 cooling device, it is characterized in that: described casing is the housing for rectangle, there is relative first side plate and second side plate, the contiguous described optical module of described the first side plate, the contiguous described circuit board of described the second side plate, arranges and has an air intake opening on described the first side plate.
6. projector as claimed in claim 5 cooling device, is characterized in that: the both sides, front and back of described the second side plate connect respectively a front shroud and a back shroud, on described front shroud and described back shroud, have the air hole being oppositely arranged.
7. projector as claimed in claim 1 cooling device, is characterized in that: described fan is positioned at front end or the rear end of described circuit board, contiguous described front shroud or described back shroud setting.
8. projector as claimed in claim 1 cooling device, is characterized in that: the adjacent setting of described circuit board and described radiating module is in a horizontal manner or the adjacent setting of vertical mode.
9. projector as claimed in claim 1 cooling device, is characterized in that: described radiating flow passage further comprises the air-flow of introducing from the described air intake opening of described the first side plate.
10. projector as claimed in claim 1 cooling device, it is characterized in that: described fan setting is positioned at left side or the right side of described circuit board, described fan is contiguous described radiating module while being positioned at the left side of described circuit board, described fan is contiguous described the second side plate while being positioned at the right side of described circuit board, described the second side plate has an exhausr port setting, and described exhausr port and described air intake opening are oppositely arranged.
11. projector as claimed in claim 10 cooling devices, is characterized in that: described radiating module increases area of dissipation in front and back end, and described radiating module is oppositely arranged fan described at least one.
12. projector as claimed in claim 9 cooling devices, is characterized in that: described radiating module is to be radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022523.1A CN103941529A (en) | 2013-01-22 | 2013-01-22 | Projector cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310022523.1A CN103941529A (en) | 2013-01-22 | 2013-01-22 | Projector cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103941529A true CN103941529A (en) | 2014-07-23 |
Family
ID=51189257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310022523.1A Pending CN103941529A (en) | 2013-01-22 | 2013-01-22 | Projector cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103941529A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805707A (en) * | 2014-12-31 | 2016-07-27 | 海信集团有限公司 | Heat dissipation system for closed wavelength conversion device and laser display system |
| CN108508686A (en) * | 2017-02-24 | 2018-09-07 | 扬明光学股份有限公司 | Projection device and display system |
| 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 |
| CN110785701A (en) * | 2018-05-31 | 2020-02-11 | 深圳市大疆创新科技有限公司 | Heat dissipation system and photographic equipment |
| CN111373323A (en) * | 2017-11-20 | 2020-07-03 | 夏普株式会社 | Light source device and projection device |
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| TW514350U (en) * | 2001-06-22 | 2002-12-11 | Coretronic Corp | Projecting device with heat-dissipating fan |
| US20070258053A1 (en) * | 2006-05-03 | 2007-11-08 | Coretronic Corporation | Projection apparatus |
| CN101737754A (en) * | 2008-11-10 | 2010-06-16 | 鸿富锦精密工业（深圳）有限公司 | Light source module and projector using same |
| CN201673359U (en) * | 2010-04-19 | 2010-12-15 | 深圳市欧曼特微显示科技有限公司 | Projector |
| CN101923274A (en) * | 2010-02-28 | 2010-12-22 | 苏州佳世达光电有限公司 | Light-emitting diode light source type projector device |
-
2013
- 2013-01-22 CN CN201310022523.1A patent/CN103941529A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW514350U (en) * | 2001-06-22 | 2002-12-11 | Coretronic Corp | Projecting device with heat-dissipating fan |
| US20070258053A1 (en) * | 2006-05-03 | 2007-11-08 | Coretronic Corporation | Projection apparatus |
| CN101737754A (en) * | 2008-11-10 | 2010-06-16 | 鸿富锦精密工业（深圳）有限公司 | Light source module and projector using same |
| CN101923274A (en) * | 2010-02-28 | 2010-12-22 | 苏州佳世达光电有限公司 | Light-emitting diode light source type projector device |
| CN201673359U (en) * | 2010-04-19 | 2010-12-15 | 深圳市欧曼特微显示科技有限公司 | Projector |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805707A (en) * | 2014-12-31 | 2016-07-27 | 海信集团有限公司 | Heat dissipation system for closed wavelength conversion device and laser display system |
| CN108508686A (en) * | 2017-02-24 | 2018-09-07 | 扬明光学股份有限公司 | Projection device and display system |
| US10962868B2 (en) * | 2017-02-24 | 2021-03-30 | Young Optics Inc. | Projection device and display system with a combiner therein |
| CN111373323A (en) * | 2017-11-20 | 2020-07-03 | 夏普株式会社 | Light source device and projection device |
| CN111373323B (en) * | 2017-11-20 | 2022-03-22 | 夏普株式会社 | Light source device and projection device |
| CN110785701A (en) * | 2018-05-31 | 2020-02-11 | 深圳市大疆创新科技有限公司 | Heat dissipation system and photographic equipment |
| 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 |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140723 |