CN102419508A - Guiding device and projector comprising same - Google Patents
Guiding device and projector comprising same Download PDFInfo
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- CN102419508A CN102419508A CN2010105070271A CN201010507027A CN102419508A CN 102419508 A CN102419508 A CN 102419508A CN 2010105070271 A CN2010105070271 A CN 2010105070271A CN 201010507027 A CN201010507027 A CN 201010507027A CN 102419508 A CN102419508 A CN 102419508A
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- bulb
- air outlet
- air
- guiding device
- shifting board
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Abstract
The invention relates to a guiding device and a projector comprising the same. The projector comprises a fan and a lamp bulb, wherein the fan is used for cooling the lamp bulb. The guiding device is arranged between the fan and the lamp bulb, and comprises a body and a movable baffle. The body of the guiding device is provided with a first air outlet and a second air outlet which are respectively used for guiding the fan to generate a first airflow and a second airflow. The movable baffle is arranged in the second air outlet, and can move towards a gravity direction under the action of stress and gravity so as to partially cover the second air outlet, so that the second airflow flows to one side face (far away from the gravity direction) of the lamp bulb.
Description
Technical field
The invention relates to a kind of airflow guiding device, particularly can the air-flow that fan produced be guided to the guiding device of bulb with the cooling bulb about a kind of projector that is used in.
Background technology
Shown in Figure 1A,, cause the damage of bulb 20 or other inner spare part easily because existing projector 1 inner bulb 20 can produce high temperature when running.Therefore, existing projector 1 must be provided with a fan 10, and through a wind conduit 11 and a guiding device 30 air-flow that fan 10 is produced is guided to bulb 20, to assist to reduce the temperature of bulb 20.
Further consult Figure 1B; In detail; Bulb 20 has a front end 201 and a rear end 202, and when bulb 20 produced high temperature because of running, bulb 20 concentrated on a upside 202a because of inside is used for luminous gas; Cause the upside 202a of bulb 20 to have the first higher temperature, and a downside 202b of bulb 20 have the second lower temperature.When the air communication that fan 10 is produced is crossed wind conduit 11; And when arriving guiding device 30 and being formed at first air outlet 311 and second air outlet 312 on the body 31, to produce one first air-flow 111 of the front end 201 that blows to bulb 20 respectively and to blow to one second air-flow 112 of the rear end 202 of bulb 20.At this moment; Because second air-flow 112 is upside 202a and the downside 202b that blow to bulb 20 simultaneously; Therefore though this kind mode can be in order to reduce the working temperature of bulb 20 itself; But and can't reduce the temperature difference between second temperature of first temperature and downside 202b of upside 202a, cause the excessive temperature difference will have a strong impact on the serviceable life of bulb 20.
For this reason; Shown in Fig. 1 C; Prior art is provided with a fixed dam 32 at the downside of second air outlet 312 of guiding device 30, lets second air-flow 112 only blow to the upside 202a of bulb 20 because of the effect of fixed dam 32, and can not blow to the downside 202b of bulb 20; Thereby dwindle the temperature difference between upside 202a and downside 202b, prolong the serviceable life of bulb 20.
Yet; Shown in Fig. 1 D; Be inverted and use (when hanging upside down in ceiling) when projector 1, the Temperature Distribution of bulb 20 is equally similar in appearance to aforesaid state: the upside 202a of bulb 20 has the first higher temperature, and the downside 202b of bulb 20 has the second lower temperature.So be noted that; The fixed dam 32 of guiding device 30 is because of the relation of turned upside down at this moment; And be positioned at the upside of second air outlet 312, so fixed dam 32 will guide the downside 202b that second air-flow 112 blows to bulb 20, and further reduce by second low than first temperature of the upside 202a temperature; The temperature difference between upside 202a and downside 202b is become be not provided with before the fixed dam 32 bigger, and further seriously shorten serviceable life of bulb 20.
In view of this, how effectively to control airflow direction, make projection arrangement no matter be in which kind of user mode, the temperature difference between second temperature of first temperature and bulb downside of bulb upside is minimized, this is this industry problem demanding prompt solution.
Summary of the invention
A purpose of the present invention is to provide a kind of projector that is applied to the guiding device of a projector and uses this guiding device; Wherein this guiding device can be under the behaviour in service of various projectors; The temperature difference between bulb upside and bulb downside is minimized, to prolong the serviceable life of bulb.
For reaching above-mentioned purpose, guiding device of the present invention comprises a body and a shifting board.Guiding device is arranged between the fan of a bulb and in order to the cooling bulb of projector.The body of guiding device is formed with one first air outlet and one second air outlet, produces one first air-flow and one second air-flow to guide fan respectively.Shifting board of the present invention is arranged in second air outlet, can cover second air outlet with part in response to gravity towards gravity direction motion, makes second air-flow towards the side flow of bulb away from gravity direction.
Useful technique effect of the present invention is: guiding device of the present invention is with can be through the design of shifting board; In response to the difference ornaments direction of projector when the different operating position; Strengthen heat radiation to bulb especially with respect to the upside of gravity direction; To dwindle the temperature difference between bulb upside and bulb downside, effectively prolong the serviceable life of bulb.
Description of drawings
For letting above-mentioned purpose, technical characterictic and the advantage can be more obviously understandable, hereinafter will combine accompanying drawing that preferred embodiment of the present invention is elaborated, wherein:
Figure 1A is the schematic top plan view of existing projector;
Figure 1B is the schematic side view of existing bulb and guiding device;
Fig. 1 C is the air-flow synoptic diagram of existing projector bulb and guiding device when just putting;
The air-flow synoptic diagram of bulb and guiding device when Fig. 1 D is the inversion of existing projector;
Fig. 2 A is the schematic top plan view of projector of the present invention;
Fig. 2 B is the schematic perspective view of bulb of the present invention and guiding device;
Fig. 3 A is the synoptic diagram of guiding device first embodiment of the present invention;
Fig. 3 B is the synoptic diagram of guiding device second embodiment of the present invention;
Fig. 3 C is the synoptic diagram of guiding device the 3rd embodiment of the present invention; And
Fig. 3 D is the synoptic diagram of guiding device the 4th embodiment of the present invention.
Embodiment
Please refer to Fig. 2 A, a guiding device 60 of the present invention is applied to a projector 4.Projector 4 comprises a fan 40 and a bulb 50.Fan 40 is in order to cooling bulb 50, and guiding device 60 is arranged at 50 on fan 40 and bulb.Guiding device 60 is sent to guiding device 60 through a wind conduit 41 with the air-flow that fan 40 is produced.Please further with reference to figure 2B, guiding device 60 comprises a body 61 and a shifting board 62, and wherein body 61 is formed with one first air outlet 611 and one second air outlet 612, produces one first air-flow 411 and one second air-flow 412 to guide fan 40 respectively.Shifting board 62 is arranged in second air outlet 612, to move towards a gravity direction in response to gravity, covers second air outlet 612 with part, makes second air-flow 412 towards the side flow of bulb 50 away from gravity direction.
In actual operating position; First air outlet, 611 common front ends 501 corresponding to bulb 50; Towards front end 501, and second air outlet 612 flows to rear end 502 usually corresponding to rear ends 502 of bulb 50 to guide second air-flow 412 with first air-flow 411 that produced of guiding fan 40.
Through guiding device 60 of the present invention; No matter (as hanging upside down when the ceiling) just put or be inverted in projector 4; Shifting board 62 all will move towards gravity direction in second air outlet 612 in response to gravity; Cover the downside of second air outlet 612 with part, guide second air-flow 412 by this and flow towards the upside 502a of bulb 50 rear ends 502.By this, second air-flow 412 to be can mainly cooling off the higher upside 502a of bulb 50 rear ends 502 temperature, and reduces the upside 502a of bulb 50 rear ends 502 and the temperature difference between downside, to prolong the serviceable life of bulb 50.
First embodiment of guiding device 60 of the present invention is shown in Fig. 3 A.The body 61 of guiding device 60 has a chute 613, be arranged in second air outlet 612, and two lateral margins of shifting board 62 is mounted slidably in chute 613.Shifting board 62 is because of having weight; When just putting the position to be in when projector 4; Shifting board 62 will move in 613 along gravity direction in chute in response to gravity; Thereby part is covered the downside of second air outlet 612, and second air-flow 412 is directed to the upside 502a of bulb 50 with respect to the rear end 502 of gravity direction.Relatively; When being inverted and using (when hanging upside down in ceiling) when projector 4, shifting board 62 can be in response to the change of gravity direction, and by originally just putting the position along chute 613 to lower slider; Thereby part is covered the downside of second air outlet 612 once again; Make second air-flow 412 still flow to the upside 502a of the rear end 502 of bulb 50,, the upside 502a of bulb 50 rear ends 502 and the temperature difference between downside are reduced to reduce the temperature of the higher upside 502a of bulb 50 rear ends 502 temperature.
The second embodiment of the present invention is shown in Fig. 3 B.The body 61 of guiding device 60 has the chute 616 of another form, and it is adjacent to second air outlet 612, and correspondingly guiding device 60 comprises the shifting board 64 of another kind of aspect, and it has at least one protuberance 641 that is mounted slidably in chute 616.In present embodiment, in fact the quantity of at least one protuberance 641 can be two.Shifting board 64 slides in chute 616 through protuberance 641; Shifting board 64 can be slided by the downside to second air outlet 612 in response to the change of gravity direction; Make shifting board 64 parts cover the downside of second air outlet 612 by this, and guide the upside 502a that second air-flow 412 flows to bulb 50 rear ends 502.
Shown in Fig. 3 C, the third embodiment of the present invention is similar in appearance to second embodiment.The shifting board 64 of the 3rd embodiment can further comprise a sliding part 642 and a guidance part 643.Protuberance 641 is formed on the sliding part 642, and is mounted slidably in chute 616.In present embodiment, guidance part 643 is an angle with sliding part 642, adjusts and guide first air-flow 411 and second air-flow 412 to flow to the angle of first air outlet 611 and second air outlet 612 respectively by this.The third embodiment of the present invention is not given unnecessary details at this similar in appearance to the part of second embodiment.
The fourth embodiment of the present invention is shown in Fig. 3 D, and the body 61 of guiding device 60 has a pivot 614 that is arranged at second air outlet 612, and a lateral margin 661 of the shifting board 66 of present embodiment is hubbed at pivot 614 to swing up and down along pivot 614.By this, shifting board 66 can be in response to the change of gravity direction to the following side oscillation of second air outlet 612, and part is covered second air outlet 612 and guided second air-flow 412 to flow to the upside 502a of bulb 50 rear ends 502 by this.In present embodiment; Body 61 also can further comprise two projections 615, and it is adjacent to a upper end 612a and a lower end 612b of second air outlet 612 respectively, during with 612a on being rocked to when shifting board 66 or lower end 612b; Replace shifting board 66; The angle perseverance that shifting board 66 is swung is not more than 180 °, avoids by this rocking because of the mobile shifting board 66 that causes of air-flow, and can't effectively cover the downside of second air outlet 612.Simultaneously; Projection 615 also makes shifting board 66 perseverances be an angle with the plummet direction; Avoid shifting board 66 to change placing direction (just put or be inverted) by this because of projector 4; And when being in the upside of second air outlet 612, because of center of gravity just in time through pivot 614, and can't be smooth and easy in response to the change of gravity direction to the following side oscillation of second air outlet 612.
In sum; Guiding device of the present invention is with can be through the design of shifting board; In response to the difference ornaments direction of projector when the different operating position; Strengthen heat radiation to bulb especially with respect to the upside of gravity direction,, effectively prolong the serviceable life of bulb to dwindle the temperature difference between bulb upside and bulb downside.
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. a guiding device is applied to a projector, and this projector comprises a fan and a bulb, and this fan is in order to cool off this bulb, and this guiding device is arranged between this fan and this bulb, it is characterized in that, comprises:
One body is formed with one first air outlet and one second air outlet, produces one first air-flow and one second air-flow to guide this fan respectively; And
One shifting board is arranged in this second air outlet, wherein should move towards a gravity direction in response to gravity by the activity plate washer, covers this second air outlet with part;
Wherein, partly cover this second air outlet through shifting board, this second air-flow is with towards the side flow of this bulb away from this gravity direction.
2. guiding device according to claim 1; It is characterized in that this first air outlet produces this first air-flow towards this front end corresponding to a front end of this bulb to guide this fan; And this second air outlet is corresponding to a rear end of this bulb, to guide this second air-flow towards this rear end.
3. guiding device according to claim 1 is characterized in that this body also has a chute, and this shifting board is mounted slidably in this chute, covers this second air outlet and guides a upside of this this bulb of second air flow direction with part.
4. guiding device according to claim 1; It is characterized in that this body also has a chute, this shifting board is formed with at least one protuberance; Be mounted slidably in this chute, cover this second air outlet and guide a upside of this this bulb of second air flow direction with part.
5. guiding device according to claim 4; It is characterized in that this shifting board also comprises a sliding part and a guidance part, this at least one protuberance is formed on this sliding part; This guidance part and this sliding part are an angle, can adjust and guide this upside of this this bulb of second air flow direction.
6. guiding device according to claim 1; It is characterized in that this body also has a pivot, a lateral margin of this shifting board is hubbed at this pivot; With along this pivot swinging, and part is covered this second air outlet and guide a upside of this this bulb of second air flow direction.
7. guiding device according to claim 6 is characterized in that, the angle that this shifting board is swung is not more than 180 °.
8. guiding device according to claim 7 is characterized in that this body also comprises two projections, is adjacent to a upper end and a lower end of this second air outlet respectively, when being rocked to this upper end or this lower end when this shifting board, replaces this shifting board.
9. a projector is characterized in that, comprising:
One bulb;
One fan is in order to cool off this bulb; And
One guiding device is arranged between this bulb and this fan, comprises:
One body is formed with one first air outlet and one second air outlet, produces one first air-flow and one second air-flow to guide this fan respectively; And
One shifting board is arranged in this second air outlet, wherein should move towards a gravity direction in response to gravity by the activity plate washer, covers this second air outlet with part;
Wherein, partly cover this second air outlet through this activity plate washer, this second air-flow is with towards the side flow of this bulb away from this gravity direction.
10. projector according to claim 9; It is characterized in that this first air outlet produces this first air-flow towards this front end corresponding to a front end of this bulb to guide this fan; And this second air outlet is corresponding to a rear end of this bulb, to guide this second air-flow towards this rear end.
11. projector according to claim 9 is characterized in that, this body also has a chute, and this shifting board is mounted slidably in this chute, covers this second air outlet and guides a upside of this this bulb of second air flow direction with part.
12. projector according to claim 9; It is characterized in that this body also has a chute, this shifting board is formed with at least one protuberance; Be mounted slidably in this chute, cover this second air outlet and guide a upside of this this bulb of second air flow direction with part.
13. projector according to claim 12; It is characterized in that this shifting board also comprises a sliding part and a guidance part, this at least one protuberance is formed on this sliding part; This guidance part and this sliding part are an angle, can adjust and guide this upside of this this bulb of second air flow direction.
14. projector according to claim 9; It is characterized in that this body also has a pivot, a lateral margin of this shifting board is hubbed at this pivot; With along this pivot swinging, and part is covered this second air outlet and guide a upside of this this bulb of second air flow direction.
15. projector according to claim 14 is characterized in that, the angle that this shifting board is swung is not more than 180 °.
16. projector according to claim 15 is characterized in that, this body also comprises two projections, is adjacent to a upper end and a lower end of this second air outlet respectively, when being rocked to this upper end or this lower end when this shifting board, replaces this shifting board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010507027.1A CN102419508B (en) | 2010-09-27 | 2010-09-27 | Guiding device and projector comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010507027.1A CN102419508B (en) | 2010-09-27 | 2010-09-27 | Guiding device and projector comprising same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102419508A true CN102419508A (en) | 2012-04-18 |
| CN102419508B CN102419508B (en) | 2014-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010507027.1A Active CN102419508B (en) | 2010-09-27 | 2010-09-27 | Guiding device and projector comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102419508B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110505779A (en) * | 2019-08-27 | 2019-11-26 | 联想(北京)有限公司 | A kind of electronic equipment |
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| JP2005024735A (en) * | 2003-06-30 | 2005-01-27 | Toshiba Corp | Light source device |
| 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 |
| CN1790155A (en) * | 2004-12-17 | 2006-06-21 | 中强光电股份有限公司 | Cooling device with mesh structure |
| US20080246925A1 (en) * | 2007-04-05 | 2008-10-09 | Sanyo Electric Co., Ltd. | Projection type image display apparatus |
| JP2008310132A (en) * | 2007-06-15 | 2008-12-25 | Hitachi Ltd | Projector device |
| CN101470335A (en) * | 2007-12-29 | 2009-07-01 | 奇菱科技股份有限公司 | Integrated heat radiating device for high pressure mercury lamp of projector |
| CN101762964A (en) * | 2010-01-27 | 2010-06-30 | 苏州佳世达光电有限公司 | Projector |
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2010
- 2010-09-27 CN CN201010507027.1A patent/CN102419508B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005024735A (en) * | 2003-06-30 | 2005-01-27 | Toshiba Corp | Light source device |
| 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 |
| CN1790155A (en) * | 2004-12-17 | 2006-06-21 | 中强光电股份有限公司 | Cooling device with mesh structure |
| US20080246925A1 (en) * | 2007-04-05 | 2008-10-09 | Sanyo Electric Co., Ltd. | Projection type image display apparatus |
| JP2008310132A (en) * | 2007-06-15 | 2008-12-25 | Hitachi Ltd | Projector device |
| CN101470335A (en) * | 2007-12-29 | 2009-07-01 | 奇菱科技股份有限公司 | Integrated heat radiating device for high pressure mercury lamp of projector |
| CN101762964A (en) * | 2010-01-27 | 2010-06-30 | 苏州佳世达光电有限公司 | Projector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110505779A (en) * | 2019-08-27 | 2019-11-26 | 联想(北京)有限公司 | A kind of electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102419508B (en) | 2014-11-26 |
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