CN102455579A - Heat abstractor and projector - Google Patents

Heat abstractor and projector Download PDF

Info

Publication number
CN102455579A
CN102455579A CN201010522314XA CN201010522314A CN102455579A CN 102455579 A CN102455579 A CN 102455579A CN 201010522314X A CN201010522314X A CN 201010522314XA CN 201010522314 A CN201010522314 A CN 201010522314A CN 102455579 A CN102455579 A CN 102455579A
Authority
CN
China
Prior art keywords
wick
heat abstractor
shifting board
characterized
air
Prior art date
Application number
CN201010522314XA
Other languages
Chinese (zh)
Inventor
林嘉瑞
张修铭
Original Assignee
台达电子工业股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 台达电子工业股份有限公司 filed Critical 台达电子工业股份有限公司
Priority to CN201010522314XA priority Critical patent/CN102455579A/en
Publication of CN102455579A publication Critical patent/CN102455579A/en

Links

Abstract

The invention discloses a heat abstractor and a projector. The projector comprises a light source, wherein the heat abstractor is arranged adjacent to the light source, and used for radiating a lamp core of the light source. The heat abstractor comprises a fan and a guide device, wherein the fan is used for generating air flow towards the lamp core. The guide device is arranged adjacent to the fan, comprises a periphery and a moveable baffle plate, wherein the periphery defines an air outlet for passing through the air flow. The moveable baffle plate moves towards a gravity force direction due to the gravity force to partly shield the air outlet, so that the air flow flows towards one end part, far from the gravity force direction, of the lamp core.

Description

Heat abstractor and projector

Technical field

The invention relates to a heat abstractor, particularly about a kind of projector that is used in, the heat abstractor that dispels the heat in order to a wick to a light source.

Background technology

Please refer to figure IA,, thereby cause the damage of wick 20 or other inner spare part because existing projector 1 inner wick 20 can produce high temperature when running.Therefore, projector 1 inside need be provided with a heat abstractor 30, when projector 1 operates, to assist to reduce the temperature of wick 20.In detail, heat abstractor 30 has a fan 31 and a guidance device 32.Fan 31 is in order to producing an air-flow 311, and the air outlet 321 through guidance device 32 blows to wick 20, uses and reduces the high temperature that wick 20 is produced.

Shown in Figure 1B, its air outlet 321 that shows guidance device 32 is arranged at the situation on the wick 20.In detail; When wick 20 produces high temperature because of running; To concentrate on a upside 20a of wick 20 in the wick 20 in order to luminous gas, and cause the upside 20a of wick 20 to have the first higher temperature, a downside 20b of wick 20 then has the second lower temperature relatively.When the air outlet 321 of the air-flow 311 that is produced when fan 31 through guidance device 32 blows to wick 20; Because air-flow 311 blows to the upside 20a and the downside 20b of wick 20 simultaneously; Though therefore this kind blows the working temperature that mode can reduce wick 20; But and can't reduce the temperature difference between second temperature of first temperature and downside 20b of upside 20a, cause the serviceable life that has the excessive temperature difference between upside 20a and downside 20b and have a strong impact on wick 20.

For this reason, shown in Fig. 2 A, another prior art is provided with a fixed dam 322 at air outlet 321 downsides of guidance device 32, makes air-flow 311 only blow to the upside 20a of wick 20 because of the effect of fixed dam 322.Just can avoid air-flow 311 to blow to the downside 20b of wick 20 thus, thereby effectively dwindle the temperature difference between upside 20a and downside 20b, prolong the serviceable life of wick 20.

Yet; Shown in Fig. 2 B, be inverted and use (when hanging upside down) when projector 1, though the Temperature Distribution of wick 20 is equally similar in appearance to aforesaid state in ceiling; Have the first higher temperature in the upside 20a of wick 20, and the downside 20b of wick 20 has the second lower temperature.Be noted that at this; The fixed dam 322 of guidance device 32 is because of the relation of turned upside down at this moment; And be in the upside of air outlet 321, so fixed dam 322 blows to the downside 20b of wick 20 with air-guiding 311, and further reduce second temperature of low than first temperature of upside 20a downside 20b; The temperature difference between upside 20a and downside 20b is become be not provided with before the fixed dam 322 bigger, and seriously shorten serviceable life of wick 20.

In view of this, how effectively to control the airflow direction of heat abstractor, make projection arrangement no matter be in which kind of user mode, the temperature difference between second temperature of first temperature and wick downside of wick upside is minimized, this is this industry problem demanding prompt solution.

Summary of the invention

The object of the present invention is to provide a heat abstractor and use the projector of this heat abstractor, wherein this heat abstractor can be put under the situation in various, and the temperature difference between wick upside and wick downside is minimized, to prolong the serviceable life of wick.

For reaching above-mentioned purpose, projector of the present invention comprises the light source with a wick, and a heat abstractor.The heat abstractor vicinity is arranged at light source, in order to wick is dispelled the heat.Heat abstractor comprises a fan and a guidance device.Fan is in order to produce the wick of an air-flow towards a projector.Guidance device is adjacent to fan, comprises a periphery and a shifting board.Periphery defines an air outlet, so that the air communication mistake.Shifting board towards gravity direction motion, covers air outlet with part in response to gravity.Cover air outlet through part, air-flow can flow towards the end away from gravity direction of wick.

Useful technique effect of the present invention is: heat abstractor of the present invention can be through the setting of shifting board; In response to the ornaments direction of projector under different operating positions; Strengthen its heat radiation to wick away from the end of gravity direction; Dwindle the temperature difference between wick upside and wick downside, with the serviceable life of effective prolongation wick.

Description of drawings

For letting above-mentioned purpose, technical characterictic and the advantage can be more obviously understandable, hereinafter be elaborated conjunction with figs. to preferred embodiment of the present invention, wherein:

Figure 1A is the schematic top plan view of existing projector;

Figure 1B is the schematic side view of existing wick and heat abstractor;

Fig. 2 A is the air-flow synoptic diagram of another existing projector wick and heat abstractor when just putting;

Fig. 2 B is the air-flow synoptic diagram of wick and the heat abstractor when being inverted of the existing projector shown in Fig. 2 A;

Fig. 3 is the schematic top plan view of projector of the present invention;

Fig. 4 is the shifting board synoptic diagram of the heat abstractor of first embodiment of the invention;

Fig. 5 A is the synoptic diagram of the heat abstractor of first embodiment of the invention when just putting;

Fig. 5 B is the synoptic diagram of the heat abstractor of first embodiment of the invention when being inverted;

Fig. 6 is the shifting board synoptic diagram of the heat abstractor of second embodiment of the invention;

Fig. 7 A is the synoptic diagram of the heat abstractor of second embodiment of the invention when just putting; And

Fig. 7 B is the synoptic diagram of the heat abstractor of second embodiment of the invention when being inverted.

Embodiment

Please refer to Fig. 3, it is the vertical view of a projector 4 of the present invention.Projector 4 comprises a light source 50 and a heat abstractor 60.Light source 50 has a wick 51.Heat abstractor 60 vicinities are arranged at light source 50, in order to wick 51 is dispelled the heat.Heat abstractor 60 comprises a fan 61 and a guidance device 62.Wherein, fan 61 is in order to produce an air-flow 611, and towards wick 51, and guidance device 62 is adjacent to fan 61.

First aspect of the guidance device 62 of heat abstractor 60 of the present invention is as shown in Figure 4.In detail, guidance device 62 has a periphery 621, a shifting board 622 and a chute 624.Periphery 621 is in order to define an air outlet 623, so that air-flow 611 passes through.Shifting board 622 is mounted slidably in chute 624, can slide towards a gravity direction in response to gravity, and part is covered air outlet 623.Therefore, cover air outlet 623 through part, air-flow 611 can flow towards the end away from this gravity direction of wick 51.

Shown in Fig. 5 A, when fan 61 combined with guidance device 62 shown in Figure 4, it can form first embodiment of heat abstractor 60 of the present invention.When projector 4 is just putting, shifting board 622 will be in response to gravity towards gravity direction to lower slider, part is covered the downside of air outlet 623 by this, makes air-flow 611 only blow to the upper end of wick 51 away from gravity direction.Otherwise when projector 4 was inverted, shown in Fig. 5 B, shifting board 622 will be in response to the change of gravity direction, covered the downside of air outlet 623 with part again and slide along chute 624, and air-flow 611 is still flowed away from the upper end of gravity direction towards wick 51.

Second aspect of the guidance device 62 of heat abstractor 60 of the present invention is as shown in Figure 6.Wherein, guidance device 62 has a periphery 621 and a shifting board 622 equally, and periphery 621 is in order to define an air outlet 623, so that air-flow 611 passes through.Being different from the first aspect part is; The periphery 621 of second aspect has a pivot 625, and a lateral margin 626 of shifting board 622 is hubbed at pivot 625, makes the shifting board 622 can be in response to gravity; The swing along pivot 625 towards gravity direction, and part is covered air outlet 623.The periphery 621 of second aspect further comprises two projections 627; Be arranged at two opposite ends of periphery 621 respectively; When being rocked to said two opposite ends when shifting board 622, replace shifting board 622, the angle that the shifting board 622 of second aspect is swung is not more than 180 °.By this, avoid rocking, and can't effectively cover the downside of air outlet 623 because of the mobile shifting board 622 that causes of air-flow 611.Simultaneously; Projection 627 also makes shifting board 622 perseverances be an angle with the plummet direction; Avoid shifting board 622 to change placing direction (just put or be inverted) by this because of projector 4; And when being in the upside of air outlet 623, because of center of gravity just in time through pivot 625, and can't be smooth and easy in response to the change of gravity direction to the following side oscillation of air outlet 623.

Shown in Fig. 7 A, when fan 61 combined with guidance device 62 shown in Figure 6, it can form second embodiment of heat abstractor 60 of the present invention.When projector 4 is just putting, shifting board 622 will be swung along pivot 625 towards gravity direction in response to gravity, thereby part is covered the downside of air outlet 623, makes air-flow 611 only blow to the upper end of wick 51 away from gravity direction.Otherwise when projector 4 was inverted, shown in Fig. 7 B, shifting board 622 will be in response to the change of gravity direction, and covered the downside of air outlet 623 along pivot 625 swings with part again, and air-flow 611 is still flowed away from the upper end of gravity direction towards wick 51.

What need special instruction is; The fan 61 of heat abstractor 60 of the present invention and guidance device 62 have common knowledge the knowledgeable and also can know fan 61 and guidance device 62 easily by inference and can further have integrally formed aspect between the two except that can array mode mutually combining in this area.Yet because the effect that fan 61 and guidance device 62 integrally formed backs are reached all is same as above-mentioned explanation, so seldom give unnecessary details in this.

In sum; Heat abstractor of the present invention can in response to the ornaments direction of projector under different operating positions, be strengthened its heat radiation to wick away from the end of gravity direction through the setting of shifting board; Dwindle the temperature difference between wick upside and wick downside, with the serviceable life of effective prolongation wick.

The above embodiments enforcement aspect of the present invention that only is used for giving an example, and explain technical characterictic of the present invention, be not to be used for limiting protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of the isotropism scope that all belongs to the present invention and advocated, rights protection scope of the present invention should be as the criterion with claim.

Claims (16)

1. heat abstractor that is used for a projector, this projector comprises a light source, and this heat abstractor is adjacent to this light source in order to the wick heat radiation to this light source, comprises:
One fan is in order to produce an air-flow, towards this wick; And
One guidance device is adjacent to this fan, comprises:
One periphery defines an air outlet, so that this air communication mistake; And
One shifting board towards gravity direction motion, covers this air outlet with part in response to gravity;
Wherein, cover this air outlet through part, this air-flow can flow towards the end away from this gravity direction of this wick.
2. heat abstractor according to claim 1 is characterized in that this periphery has a chute, and this shifting board is arranged in this chute slidably, covers this air outlet with part.
3. heat abstractor according to claim 2 is characterized in that, a upper end of this this wick of air flow direction.
4. heat abstractor according to claim 1 is characterized in that this periphery has a pivot, and a lateral margin of this shifting board is hubbed at this pivot, and with along this pivot swinging, and part is covered this air outlet.
5. heat abstractor according to claim 4 is characterized in that, a upper end of this this wick of air flow direction.
6. heat abstractor according to claim 5 is characterized in that, the angle that this shifting board is swung is not more than 180 °.
7. heat abstractor according to claim 6 is characterized in that this periphery also comprises two projections, is arranged at two opposite ends of this periphery respectively, when being rocked to said two opposite ends when this shifting board, replaces this shifting board.
8. heat abstractor according to claim 1 is characterized in that, this fan and this guidance device are one-body molded.
9. a projector comprises:
One light source has a wick; And
One heat abstractor, contiguous this light source that is arranged in order to this wick is dispelled the heat, comprises:
One fan is in order to produce an air-flow, towards this wick; And
One guidance device is adjacent to this fan, and this guidance device has a periphery and a shifting board, and this periphery defines an air outlet, so that this air communication mistake, this shifting board slides towards gravity direction fortune in response to gravity, covers this air outlet with part;
Wherein, cover this air outlet through part, this air-flow can flow towards the end away from this gravity direction of this wick.
10. projector according to claim 9 is characterized in that this periphery has a chute, and this shifting board is arranged in this chute slidably, covers this air outlet with part.
11. projector according to claim 10 is characterized in that, a upper end of this this wick of air flow direction.
12. projector according to claim 9 is characterized in that, this periphery has a pivot, and a lateral margin of this shifting board is hubbed at this pivot, and with along this pivot swinging, and part is covered this air outlet.
13. projector according to claim 12 is characterized in that, a upper end of this this wick of air flow direction.
14. projector according to claim 13 is characterized in that, the angle that this shifting board is swung is not more than 180 °.
15. projector according to claim 14 is characterized in that, this periphery also comprises two projections, is arranged at two opposite ends of this periphery respectively, when being rocked to this two opposite end when this shifting board, replaces this shifting board.
16. projector according to claim 9 is characterized in that, this fan and this guidance device are one-body molded.
CN201010522314XA 2010-10-18 2010-10-18 Heat abstractor and projector CN102455579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010522314XA CN102455579A (en) 2010-10-18 2010-10-18 Heat abstractor and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010522314XA CN102455579A (en) 2010-10-18 2010-10-18 Heat abstractor and projector

Publications (1)

Publication Number Publication Date
CN102455579A true CN102455579A (en) 2012-05-16

Family

ID=46038921

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010522314XA CN102455579A (en) 2010-10-18 2010-10-18 Heat abstractor and projector

Country Status (1)

Country Link
CN (1) CN102455579A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105090837A (en) * 2015-09-14 2015-11-25 广州市浩洋电子有限公司 Stage lamp with cooling gas flow control system
CN110166587A (en) * 2019-04-24 2019-08-23 维沃移动通信有限公司 A kind of mobile terminal
WO2019179122A1 (en) * 2018-03-21 2019-09-26 深圳光峰科技股份有限公司 Multi-directional installation projection device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005024735A (en) * 2003-06-30 2005-01-27 Toshiba Corp Light source device
CN1790155A (en) * 2004-12-17 2006-06-21 中强光电股份有限公司 Cooling device with mesh structure
CN1794084A (en) * 2004-12-24 2006-06-28 三洋电机株式会社 Projection video display device
JP2008310132A (en) * 2007-06-15 2008-12-25 Hitachi Ltd Projector device
CN101762964A (en) * 2010-01-27 2010-06-30 苏州佳世达光电有限公司 Projector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005024735A (en) * 2003-06-30 2005-01-27 Toshiba Corp Light source device
CN1790155A (en) * 2004-12-17 2006-06-21 中强光电股份有限公司 Cooling device with mesh structure
CN1794084A (en) * 2004-12-24 2006-06-28 三洋电机株式会社 Projection video display device
JP2008310132A (en) * 2007-06-15 2008-12-25 Hitachi Ltd Projector device
CN101762964A (en) * 2010-01-27 2010-06-30 苏州佳世达光电有限公司 Projector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105090837A (en) * 2015-09-14 2015-11-25 广州市浩洋电子有限公司 Stage lamp with cooling gas flow control system
CN105090837B (en) * 2015-09-14 2017-12-26 广州市浩洋电子股份有限公司 A kind of stage lighting with cooling gas flow control system
WO2019179122A1 (en) * 2018-03-21 2019-09-26 深圳光峰科技股份有限公司 Multi-directional installation projection device
CN110166587A (en) * 2019-04-24 2019-08-23 维沃移动通信有限公司 A kind of mobile terminal

Similar Documents

Publication Publication Date Title
CN203839767U (en) Heat radiation distribution box
CN202996501U (en) Dry-type transformer cooling system for mining
CN103158531B (en) There is the vehicle of the drafting apparatus of band heat exchanger
CN206516915U (en) A kind of heat loss through conduction formula power department electric cabinet of outdoor control
CN101529330A (en) Apparatus for cooling heat generating spot of electronic device, cooling method therefor, and liquid crystal projector apparatus
CN203273823U (en) Heat convection sound lamp
CN101498887B (en) Digital optical processing projection device
CN100552535C (en) Projector
CN101849135B (en) Light source cooling device and projection display device with the same
TW201020462A (en) Lighting module and lighting system
CN101762964B (en) Projector
JP2011253156A (en) Projector device
TW200702880A (en) Projector and method for cooling the same
CN103327788B (en) Electronic installation
CN103988126B (en) Projector apparatus
CN203273349U (en) Modular type LED lamp
CN101660743A (en) Radiator and LED lamp with fan
CN201383405Y (en) Cooling device for dry-type transformer
CN103912798B (en) Wide-angle luminescence type of respiration cooling LED bulb
CN205725415U (en) A kind of air-cooled permanent magnetic speed-adjusting equipment
CN105805605A (en) Lamp
CN107479662A (en) A kind of water-cooled computer casing
CN205827330U (en) The main frame radiator structure of air convection heat radiation function
CN104748338A (en) Air conditioner and air supply structure thereof
CN203520292U (en) Computer mainframe box with efficient heat dissipation function

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120516