CN1743948A - Projector and its lamp box - Google Patents
Projector and its lamp box Download PDFInfo
- Publication number
- CN1743948A CN1743948A CN 200410075190 CN200410075190A CN1743948A CN 1743948 A CN1743948 A CN 1743948A CN 200410075190 CN200410075190 CN 200410075190 CN 200410075190 A CN200410075190 A CN 200410075190A CN 1743948 A CN1743948 A CN 1743948A
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- housing
- bulb
- projector
- radiator fan
- wind
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
This invention refers to a projector and lamp box, which contains at least a bubble, a radiation fan set in one side of box, a casing, and at least a flow guiding board, wherein the casing having a first opening, the air flow blown by fan entering casing from first opening, flow guiding board set between casing and bubble and forming an angle with direction of blown air. Compared with current, said invention can change blowing direction to raise the radiation efficiency.
Description
Technical field
The present invention is about a kind of lamp box, especially a kind of lamp box that is used for projector.
Background technology
Flourish along with science and technology, projector applies to various fields gradually, by consumer products to high-tech product, in the middle of range of application is being expanded always.For example be applied in the projection of convention when holding and show, or the projection screen or the TV of commercial usefulness, presenting of real-time graph picture done with the content that cooperates PowerPoint.
Generally speaking, projector reaches image clearly for projection on screen goes out high brightness, often uses high-power bulb to be used as light source.In order to protect frangible bulb break, the bulb of projector is arranged in the lamp box (Lamp Housing).Along with the consumer more and more prefers to compact style, the size of projector is also more and more little, and the result of volume-diminished makes that then the radiating effect of the bulb be arranged in lamp box is not good.
Please refer to Fig. 1, known projector's lamp box 10 is in order to a ccontaining bulb 11, and a side of projector's lamp box 10 has a radiator fan 12, and opposite side then has an air outlet 13, to get rid of hot-air.Wherein, bulb 11 is made of a lamppost 111 and a coniform lampshade 112 round lamppost 111.And the wind that radiator fan 12 is blown out, facing to brushing on the surface of lampshade 112, to reduce the temperature in the lamp box 10.
As shown in Figures 1 and 2, can find that the air that radiator fan 12 is produced by boasting through behind the lampshade 112, can form a turbulent region W in lampshade 112 leeward sides, and the air among the turbulent region W flows hardly by the flow field analysis in projector's lamp box 10.Event does not almost have help for the heat radiation of the leeward side of bulb 11, makes the temperature of bulb 11 windward sides and leeward side that evident difference is arranged on the contrary.And turbulent region W is bigger, and the area that expression bulb 11 has high temperature is also bigger, even may therefore have influence on the serviceable life of bulb 11.Therefore, the wind that radiator fan 12 is produced by boasting can be distributed in around the bulb 11 equably, and dispel the heat to assist bulb 11, and then improve its radiating efficiency, to guarantee the quality of bulb, be one of industry problem of endeavouring to study always.
Because the problems referred to above, this case inventor is because of in this, urgently thinks a kind ofly can solve the wind that known radiator fan blows out and can't be uniformly distributed in projecting camera light bulb " projector and lamp box thereof " all around.
Summary of the invention
Purpose of the present invention is for providing a kind of projector and lamp box thereof, and its wind energy that radiator fan is blown into more evenly distributes, to promote the radiating efficiency of bulb.
For reaching above-mentioned purpose, according to projector of the present invention lamp box, in order to ccontaining at least one bulb, a radiator fan is arranged at a side of this projector's lamp box, it is characterized in that, comprises:
One housing, it has one first opening, and the wind that this radiator fan blows out enters this housing by this first opening; And
At least one fair water fin, it is arranged between this housing and this bulb, and the wind direction of the wind that this fair water fin and this radiator fan blew out is an angle.
Again,,, it is characterized in that, comprise according to projector of the present invention for reaching above-mentioned purpose:
One housing, it has one first opening;
At least one bulb, it is placed in this housing;
One radiator fan, it is arranged at a side of this housing, and the wind that this radiator fan blows out enters this housing by this first opening; And
At least one fair water fin, it is arranged between this housing and this bulb, and the wind direction of the wind that this fair water fin and this radiator fan blew out is an angle.
From the above, projector of the present invention and lamp box thereof have at least one fair water fin, to change the wind direction by the wind that radiator fan was blown out.Compared to the prior art, projector of the present invention and lamp box thereof are arranged at fair water fin between housing and the bulb, make the wind direction of the wind that fair water fin and radiator fan blew out be an angle, so can change wind direction, make the leeward side of bulb can have more air to flow, promote the homogeneity of heat radiation, and then promote the radiating efficiency of radiator fan for bulb.Thus, can make bulb be in the suitable working temperature, can be because of not overheated, or non-uniform temperature and make task performance reduce.Therefore, also can improve the quality of product, even can prolong the life-span of product.
Description of drawings
Fig. 1 is a synoptic diagram of known projector's lamp box;
Fig. 2 is a synoptic diagram of the flow field analysis in known projector's lamp box;
Fig. 3 is a synoptic diagram of projector of the present invention; And
Fig. 4 is a synoptic diagram of the flow field analysis in the projector of the present invention lamp box.
Symbol description among the figure:
10 projector's lamp boxes
11 bulbs
111 lampposts
112 lampshades
12 radiator fans
13 air outlets
2 projectors
20 lamp boxes
21 housings
211 first openings
212 second openings
22 bulbs
221 wicks
222 lampshades
23 radiator fans
24 fair water fins
The D spacing
The W turbulent region
Embodiment
Hereinafter with reference to relevant drawings, projector and lamp box thereof according to preferred embodiment of the present invention are described.
At first, please refer to Fig. 3 to Fig. 4, with the preferred embodiment of explanation projector of the present invention.
As shown in Figure 3, in the present embodiment, projector 2 of the present invention comprises a housing 21, at least one bulb 22, a radiator fan 23 and at least one fair water fin 24.The person of noting, projector 2 of the present invention also can have two, or the bulb more than two 22.
Housing 21 has one first opening 211, and bulb 22 is placed in the housing 21, and is broken to avoid bulb 22 to be subjected to broken the hitting of external force.In addition, in the present embodiment, housing 21 more can have one second opening 212, and the wind that radiator fan 23 is blown out can leave housing 21 by second opening 212.
Radiator fan 23 is arranged at a side of housing 21.Radiator fan 23 dispels the heat in order to help bulb 22, and the wind that radiator fan 23 blows out enters housing 21 by first opening 211, blows to lampshade 222 again, leaves housing 21 by second opening 212 more at last, thus, can reduce the temperature of bulb 22.
As shown in Figure 4, fair water fin 24 is arranged between housing 21 and the bulb 22, in order to changing the path of the wind that radiator fan 23 blown out, and then makes that the turbulent region W of leeward side of lampshade 222 can be a little bit smaller.Fair water fin 24 is an angle with the wind direction of the wind that radiator fan 23 is blown out.In the present embodiment, two fair water fins 24 are arranged at respectively on the housing 21 and one-body molded with housing 21, and fair water fin 24 is 90 degree approximately with the wind direction of the wind that radiator fan 23 is blown out.Certainly, fair water fin 24 also can have only one, and the wind direction of the wind that fair water fin 24 and radiator fan 23 are blown out also can form other angle, as long as can change wind direction.
Please refer to Fig. 3 and Fig. 4 again, have a space D between housing 21 and the bulb 22, fair water fin 24 is arranged between housing 21 and the bulb 22, makes distance between fair water fin 24 and the bulb 22 less than space D.Thus, the wind that is blown out by radiator fan 23, in the time of between process lampshade 222 and the housing 21, because stopping of fair water fin 24, make space D diminish,, increased the density of lampshade 222 flow field line on every side so changed the flow direction of wind, make the turbulent region W of leeward side of lampshade 222 diminish, also make the windward side of lampshade 222 and the flow field of leeward side become more close.
Then, please refer to Fig. 3 to Fig. 4, with the preferred embodiment of explanation projector of the present invention lamp box.
As shown in Figure 3, lamp box 20 is arranged at a side of lamp box 20 in order to ccontaining at least one bulb 22, one radiator fans 23, and lamp box 20 comprises a housing 21 and at least one fair water fin 24.Wherein, housing 21, bulb 22, radiator fan 23 and fair water fin 24 constitute projector 2 of the present invention.The person of noting, lamp box 20 of the present invention also can be ccontaining two, or the bulb more than two 22.
Housing 21 has one first opening 211, and bulb 22 is placed in the housing 21, and is broken to avoid bulb 22 to be subjected to broken the hitting of external force.In addition, in the present embodiment, housing 21 more can have one second opening 212, and the wind that radiator fan 23 is blown out can leave housing 21 by second opening 212.
Radiator fan 23 is arranged at a side of housing 21.Radiator fan 23 dispels the heat in order to help bulb 22, and the wind that radiator fan 23 blows out enters housing 21 by first opening 211, blows to lampshade 222 again, leaves housing 21 by second opening 212 more at last, thus, can reduce the temperature of bulb 22.
As shown in Figure 4, fair water fin 24 is arranged between housing 21 and the bulb 22, in order to changing the path of the wind that radiator fan 23 blown out, and then makes that the turbulent region W of leeward side of lampshade 222 can be a little bit smaller.Fair water fin 24 is an angle with the wind direction of the wind that radiator fan 23 is blown out.In the present embodiment, two fair water fins 24 are arranged at respectively on the housing 21 and one-body molded with housing 21, and fair water fin 24 is 90 degree approximately with the wind direction of the wind that radiator fan 23 is blown out.Certainly, fair water fin 24 also can have only one, and fair water fin 24 also can form other angle with the wind that radiator fan 23 is blown out, as long as can change wind direction.
Please refer to Fig. 4 again, have a space D between housing 21 and the bulb 22, fair water fin 24 is arranged between housing 21 and the bulb 22, makes distance between fair water fin 24 and the bulb 22 less than space D.Thus, the wind that is blown out by radiator fan 23, in the time of between process lampshade 222 and the housing 21, because stopping of fair water fin 24, make space D diminish,, increased the density of lampshade 222 flow field line on every side so changed the flow direction of wind, and then make the turbulent region W of leeward side of lampshade 222 diminish, also make the windward side of lampshade 222 and the flow field of leeward side become more close.
In sum, projector of the present invention and lamp box thereof have at least one fair water fin, to change the wind direction by the wind that radiator fan was blown out.Compared to the prior art, projector of the present invention and lamp box thereof are arranged at fair water fin between housing and the bulb, make the wind direction of the wind that fair water fin and radiator fan blew out be an angle, so can change wind direction, make the leeward side of bulb can have more air to flow, promote the homogeneity of heat radiation, and then promote the radiating efficiency of radiator fan for bulb.Thus, can make bulb be in the suitable working temperature, can be because of not overheated, or non-uniform temperature and make task performance reduce.Therefore, also can improve the quality of product, even can prolong the life-span of product.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the described claim scope its equivalent modifications of carrying out or change.
Claims (12)
1. projector's lamp box, in order to ccontaining at least one bulb, a radiator fan is arranged at a side of this projector's lamp box, it is characterized in that, comprises:
One housing, it has one first opening, and the wind that this radiator fan blows out enters this housing by this first opening; And
At least one fair water fin, it is arranged between this housing and this bulb, and the wind direction of the wind that this fair water fin and this radiator fan blew out is an angle.
2. projector as claimed in claim 1 lamp box is characterized in that, this bulb has a wick and a lampshade, and this lampshade is located on around this wick, and the wind that this radiator fan blew out blows to this lampshade by this first opening.
3. projector as claimed in claim 1 lamp box is characterized in that, this housing has more one second opening, and the wind that this radiator fan blew out leaves this housing by this second opening.
4. projector as claimed in claim 1 lamp box is characterized in that this fair water fin is arranged at this housing.
5. projector as claimed in claim 1 lamp box is characterized in that, this angle is essentially 90 degree.
6. projector as claimed in claim 1 lamp box is characterized in that, have a spacing between this housing and this bulb, and this fair water fin is arranged between this housing and this bulb, makes distance between this fair water fin and this bulb less than this spacing.
7. a projector is characterized in that, comprises:
One housing, it has one first opening;
At least one bulb, it is placed in this housing;
One radiator fan, it is arranged at a side of this housing, and the wind that this radiator fan blows out enters this housing by this first opening; And
At least one fair water fin, it is arranged between this housing and this bulb, and the wind direction of the wind that this fair water fin and this radiator fan blew out is an angle.
8. projector as claimed in claim 7 is characterized in that, this housing has more one second opening, and the wind that this radiator fan blew out leaves this housing by this second opening.
9. projector as claimed in claim 7 is characterized in that, this bulb has a wick and a lampshade, and this lampshade is located on around this wick, and the wind that this radiator fan blew out blows to this lampshade by this first opening.
10. projector as claimed in claim 7 is characterized in that this fair water fin is arranged at this housing.
11. projector as claimed in claim 7 is characterized in that, this angle is essentially 90 degree.
12. projector as claimed in claim 7 is characterized in that, have a spacing between this housing and this bulb, and this fair water fin is arranged between this housing and this bulb, makes distance between this fair water fin and this bulb less than this spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410075190 CN1743948A (en) | 2004-09-02 | 2004-09-02 | Projector and its lamp box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410075190 CN1743948A (en) | 2004-09-02 | 2004-09-02 | Projector and its lamp box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1743948A true CN1743948A (en) | 2006-03-08 |
Family
ID=36139373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410075190 Pending CN1743948A (en) | 2004-09-02 | 2004-09-02 | Projector and its lamp box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1743948A (en) |
-
2004
- 2004-09-02 CN CN 200410075190 patent/CN1743948A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |