CN100373937C - High-definition optical display TV light engine lamp box air channel - Google Patents
High-definition optical display TV light engine lamp box air channel Download PDFInfo
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- CN100373937C CN100373937C CNB2005101047580A CN200510104758A CN100373937C CN 100373937 C CN100373937 C CN 100373937C CN B2005101047580 A CNB2005101047580 A CN B2005101047580A CN 200510104758 A CN200510104758 A CN 200510104758A CN 100373937 C CN100373937 C CN 100373937C
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- lamp box
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- 230000003287 optical effect Effects 0.000 title description 3
- 230000037237 body shape Effects 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims description 10
- 230000005855 radiation Effects 0.000 abstract description 11
- 230000000191 radiation effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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Abstract
The present invention provides a high-definition light display TV light engine lamp box air channel which is characterized in that the present invention also comprises an air channel and a lamp box, wherein the air channel is in a corner-shaped box body shape and comprises the side surface of an air channel box body and the rear surface of the air channel box body, a fan is installed in a cavity of the rear surface of the air channel box body, and an air outlet of the fan is provided with an air flow distribution plate to be divide into two outtakes A and B; the lamp box is in a box body shape, a projection lamp is installed in the lamp box which is provided with an air inlet and installed at the position near the air channel, and the air inlet end of the lamp box is communicated with the outtakes of the air channel. Air flow is divided into multistrand air flow through the specific structural form air channel and the corresponding structure, so that the air flow obtains reasonable plan, control and distribution, different heat radiation requirements of different parts are satisfied, the heat radiation effect is greatly improved, the reliability is enhanced, the service life is extended, and the failure rate is reduced.
Description
Technical field
The present invention relates to a kind of television set, relate in particular to a kind of cooling device of projection TV set light source.
Background technology
High-definition optical display TV (also claiming digital light to handle rear-projection TV) in the time of in working order, need partly dispel the heat to the colour wheel of projection lamp, lamp drive plate, optical module, and fan is adopted in heat radiation.And the fan in the existing TV is installed near the above-mentioned projection lamp, owing to there is not special air channel, is owed thorough on the position design of thermal component in addition, and distinguished and admirable reasonably the distribution and control that fan blows out, each parts is not dispelled the heat effectively; Simultaneously, distinguished and admirable these heats that make at random are difficult to be discharged from cabinet, and the miscellaneous part in the cabinet is affected.Different parts have different heat radiation requirements, and for example, the afterbody of the spherical lamp electrode of projection lamp, screw junction, lamp side, lamp just has different heat radiation requirements.If can not satisfy the heat radiation requirement, reliability is reduced, descend to useful life, and failure rate rises.
How satisfying the specific heat radiation requirement of different parts, the distinguished and admirable of fan planned, controls and distribute, then is the design problem that the present invention faced.
Summary of the invention
The invention provides a kind of cooling device of projection TV set light source, it can solve the distinguished and admirable bad problem of radiating effect that does not have reasonable distribution and control to be brought.
In order to reach the purpose that solves the problems of the technologies described above, technical scheme of the present invention is, a kind of cooling device of projection TV set light source, it comprises projection lamp, fan, it is characterized in that: also comprise the air channel, the lamp box, described air channel is turning shape box body shape, comprises box body side, air channel and box body back, air channel, and fan is installed in the chamber of box body back, air channel, be provided with distinguished and admirable distribution plate at fan outlet, thereby be separated into two exhaust passage A, B; Described lamp box is the box body shape, and projection lamp is installed in the lamp box, and the lamp box has air inlet, and the lamp box is installed near the place, air channel, and the air inlet end of lamp box is connected with the exhaust passage in air channel.
In the present invention, also have following technical characterictic: the air inlet of described lamp box is opened the side at projection lamp, and the place is provided with ventilating duct at exhaust passage, box body side, air channel pairing lamp box air inlet, and the air outlet of ventilating duct is communicated with the lateral opening of projection lamp.
In the present invention, also have following technical characterictic: be provided with cavity in air channel and lamp box bottom, the lamp drive plate is contained in the cavity.
In the present invention, also has following technical characterictic: on the box body of box body side, air channel, be provided with crosswind flow point matching board, exhaust passage A is separated into exhaust passage A1, A2.
In the present invention, also have following technical characterictic: the air inlet of described ventilating duct is greater than air outlet, and being shaped as of ventilating duct air inlet is high outside and low outside skewed, and lamp box bottom surface has the ventilating opening that is communicated with cavity.
In the present invention, also have following technical characterictic: distinguished and admirable distribution plate, crosswind flow point matching board are obliquely installed.
The present invention compared with prior art has the following advantages and good effect: by the air channel and the corresponding construction of ad hoc structure form, it is distinguished and admirable to be separated into multiply, make distinguished and admirablely reasonably planned, control and rationed, satisfied the different heat radiation requirement of different parts, improved radiating effect greatly, improve reliability, prolonged useful life, reduced failure rate.Simultaneously, the hot blast flow path direction that sheds is comparatively single, is convenient to heat and in time discharges casing.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in detail.
Fig. 1 is the air channel stereogram among the present invention;
1. air channel; 1-1. air channel box body; 1-2. fan chamber; 1-3. distinguished and admirable distribution plate; 1-4. exhaust passage A; 1-5. exhaust passage B; 1-6. crosswind flow point matching board; 1-7. side, air channel; 1-8. back, air channel; 1-9. exhaust passage A1; 1-10. exhaust passage A2;
Fig. 2 is the stereogram after air channel, cavity and the lamp drive plate among the present invention assembled;
1. air channel; 2. cavity; 3. lamp drive plate; 4. fan; 5. base;
Fig. 3 is lamp box and the projection lamp stereogram among the present invention;
6. lamp box; 6-1. air inlet; 6-2. ventilating duct; 6-2-1. ventilating duct air outlet; 6-2-2. air guide hole air inlet; 7. projection lamp; 7-1. bulb tail;
Fig. 4 is an assembling stereogram of the present invention.
1. air channel; 2. cavity; 3. lamp drive plate; 4. fan; 5. base; 6. lamp box; 8. colour wheel part.
Embodiment
Referring to Fig. 1, air channel 1 is turning shape box body shape, and it comprises air channel box body side 1-7 and box body back, air channel 1-8, and fan is installed in the fan chamber 1-2 of box body back, air channel 1-8, be provided with distinguished and admirable distribution plate 1-3 at fan outlet, thereby constitute two exhaust passage A1-4, exhaust passage B1-5; For the distinguished and admirable of exhaust passage A1-4 further distributed, on the box body of box body side 1-7, be provided with crosswind flow point matching board 1-6, with exhaust passage A1-4 be separated into the distinguished and admirable distribution plate 1-3 of exhaust passage A11-9, exhaust passage A21-10., crosswind flow point matching board 1-6 is obliquely installed.
By the structure of top design as can be seen, what fan produced is distinguished and admirable, and under the guiding of ad hoc structure, reasonable distribution is dispelled the heat.
Referring to Fig. 2, base 5 is provided with cavity 2, and lamp drive plate 3 is installed in the chamber, and air channel 1 is installed in the top of cavity 2.As can be seen from Figure 2, fan 4 is installed in the fan chamber 1-2.
Referring to Fig. 3, lamp box 6 is the box body shape, last face closure, projection lamp 7 is installed in the lamp box 6, lamp box 6 has air inlet 6-1, and the air inlet 6-1 of lamp box 6 opens the box end in projection lamp 7 back, and lamp box air inlet 6-1 place is provided with ventilating duct 6-2, the air outlet 6-2-1 of ventilating duct 6-2 is communicated with the lateral opening place of projection lamp 7, to the spherical lighting electrode heat radiation of lamp inside.
The air inlet 6-2-2 of lamp box ventilating duct 6-2 is greater than air outlet 6-2-1, being shaped as of ventilating duct air inlet 6-2-2 is high outside and low outside skewed, distinguished and admirable flow velocity and direction are changed, be beneficial to projection lamp 7 internal illumination electrode positions are reasonably dispelled the heat, to satisfy the specific heat radiation requirement in this position.
Referring to Fig. 4, during assembling, lamp box 6 is installed in the top of cavity 2, and should be with the air inlet 6-1 end of lamp box 6 and the corresponding connection of exhaust passage A1-4, exhaust passage B1-5 in air channel 1.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, during fan 4 work, distinguished and admirable under the effect of distinguished and admirable distribution plate 1-3,1-6, it is distinguished and admirable to be divided into multiply, dispel the heat from the distinguished and admirable lamp tail bit of part that exhaust passage B1-5 flows out to projection lamp 7, the part that flows out from exhaust passage A1-4 distinguished and admirable under the guiding of ventilating duct 6-2 the spherical lighting electrode to projection lamp 7 inside dispel the heat; The distinguished and admirable opening part from lamp box and cavity of another part enters cavity 2, and lamp drive plate 3 is dispelled the heat.
Distinguished and admirable then colour wheel part 8 heat radiation from exhaust passage 1-9 outflow.
This shows, distinguished and admirablely made rational planning for and distribute that satisfied the specific heat radiation requirement of each parts, the direction of hot blast stream is more consistent simultaneously, is convenient to control.
Certainly, the present invention is not limited to above-mentioned example, and in the inventive method design essential scope, the present invention also has many variations, and remodeling adds or replacement, also should belong to protection scope of the present invention.
Claims (6)
1. the cooling device of a projection TV set light source, it comprises projection lamp, fan, it is characterized in that: also comprise the air channel, the lamp box, described air channel is turning shape box body shape, comprises box body side, air channel and box body back, air channel, and fan is installed in the fan chamber of box body back, air channel, be provided with distinguished and admirable distribution plate at fan outlet, thereby be separated into two exhaust passage A, B; Described lamp box is the box body shape, and projection lamp is installed in the lamp box, and the lamp box has air inlet, and the lamp box is installed near the place, air channel, and the air inlet end of lamp box is connected with the exhaust passage in air channel.
2. the cooling device of projection TV set light source according to claim 1, the air inlet that it is characterized in that described lamp box is opened the side at projection lamp, the place is provided with ventilating duct at exhaust passage, box body side, air channel pairing lamp box air inlet, and the air outlet of ventilating duct is communicated with the lateral opening of projection lamp.
3. the cooling device of projection TV set light source according to claim 1 and 2 is characterized in that being provided with cavity in air channel and lamp box bottom, and the lamp drive plate is contained in the cavity.
4. the cooling device of projection TV set light source according to claim 3 is characterized in that being provided with crosswind flow point matching board on the box body of box body side, air channel, and exhaust passage A is separated into exhaust passage A
1, A
2
5. the cooling device of projection TV set light source according to claim 4, the air inlet that it is characterized in that described ventilating duct be greater than air outlet, and being shaped as of ventilating duct air inlet is high outside and low outside skewed, and lamp box bottom surface has the ventilating opening that is communicated with cavity.
6. the cooling device of projection TV set light source according to claim 5 is characterized in that distinguished and admirable distribution plate, crosswind flow point matching board are obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101047580A CN100373937C (en) | 2005-12-29 | 2005-12-29 | High-definition optical display TV light engine lamp box air channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101047580A CN100373937C (en) | 2005-12-29 | 2005-12-29 | High-definition optical display TV light engine lamp box air channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1801912A CN1801912A (en) | 2006-07-12 |
| CN100373937C true CN100373937C (en) | 2008-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101047580A Active CN100373937C (en) | 2005-12-29 | 2005-12-29 | High-definition optical display TV light engine lamp box air channel |
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| Country | Link |
|---|---|
| CN (1) | CN100373937C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101815189A (en) * | 2010-03-19 | 2010-08-25 | 南阳首控光电有限公司 | Large-screen television with high brightness |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388708A (en) * | 2001-05-15 | 2003-01-01 | Lg电子有限公司 | Cooling structure for projection television |
| US20030053004A1 (en) * | 2001-09-18 | 2003-03-20 | Samsung Electronics Co., Ltd. | Projection television having cooling fan with noise attenuation |
| CN1535002A (en) * | 2003-03-27 | 2004-10-06 | ������������ʽ���� | Cooling structure of projective TV set |
| CN1652016A (en) * | 2005-02-23 | 2005-08-10 | 乐金电子（沈阳）有限公司 | Lampshade structure for projection-like image display device |
-
2005
- 2005-12-29 CN CNB2005101047580A patent/CN100373937C/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388708A (en) * | 2001-05-15 | 2003-01-01 | Lg电子有限公司 | Cooling structure for projection television |
| US20030053004A1 (en) * | 2001-09-18 | 2003-03-20 | Samsung Electronics Co., Ltd. | Projection television having cooling fan with noise attenuation |
| CN1535002A (en) * | 2003-03-27 | 2004-10-06 | ������������ʽ���� | Cooling structure of projective TV set |
| CN1652016A (en) * | 2005-02-23 | 2005-08-10 | 乐金电子（沈阳）有限公司 | Lampshade structure for projection-like image display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1801912A (en) | 2006-07-12 |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: HISENSE Co.,Ltd. Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE Co.,Ltd. Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |