CN101046616A - Projector liquid crystal cooling mechanism with wind guide - Google Patents
Projector liquid crystal cooling mechanism with wind guide Download PDFInfo
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- CN101046616A CN101046616A CN 200610025083 CN200610025083A CN101046616A CN 101046616 A CN101046616 A CN 101046616A CN 200610025083 CN200610025083 CN 200610025083 CN 200610025083 A CN200610025083 A CN 200610025083A CN 101046616 A CN101046616 A CN 101046616A
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- liquid crystal
- crystal board
- heat dissipation
- dissipation wind
- guide member
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Abstract
The present invention provides one kind of projector liquid crystal cooling mechanism with wind guide. The projector includes a green light liquid crystal board, a blue light liquid crystal board and a red light liquid crystal board. The liquid crystal cooling mechanism includes heat dissipating fans and corresponding wind channels, as well as V-shaped wind guides in the bottom of the green light liquid crystal board, the blue light liquid crystal board and the red light liquid crystal board. The projector liquid crystal cooling mechanism with wind guide has increased cooling wind rate and raised liquid crystal board cooling effect.
Description
Technical field
The present invention relates to a kind of projector, relate in particular to a kind of projecting camera LCD cooling down mechanism with air guide member.
Background technology
Projector is widely used in education, commerce and the family.Common projector generally comprises a housing and is arranged on the interior photo engine of housing, circuit board, apparatus for lighting up, light source and corresponding cooling mechanism.According to what of camera lens used in the photo engine, projector can be divided into single-lens projector and tri-lens projector again.Generally all be earlier the white light that light source produced to be isolated red, green, blue three coloured light in design, by three liquid crystal light valves three coloured light are modulated respectively, three coloured light after the modulation are handled with diverse ways according to different mining single-lens or the three-lens design.In single-lens projector, be with closing that color component is synthesized and by the single lens projection imaging with three coloured light.In tri-lens projector, be that three coloured light are projected to imaging on the same screen via three different camera lenses respectively.Wherein single-lens projector has the advantages that volume is little, be convenient for carrying, but its back focal length is longer, and the bore of camera lens requires bigger, and optical modules such as employed camera lens and spectroscope are very high to the requirement of quality, precision, cause cost higher.And tri-lens projector can project big picture in than short distance, and picture brightness and contrast all improve a lot than single-lens projector.
Projector in the course of the work, can produce a large amount of heat, heat is mainly derived from bulb, the energy of bulb is except that a part becomes luminous energy, major part is distributed in projector with the form of heat energy, in addition, the optical element in the photo engine particularly liquid crystal also can absorb a part of impervious light and generate heat.These heats such as untimely leaving can have a strong impact on the operate as normal and the serviceable life of projector.Therefore in projector, all be provided with the heat radiation cooling body, comprise being mainly used in the LCD cooling down mechanism that liquid crystal is cooled off that this LCD cooling down mechanism comprises many radiator fans and corresponding heat dissipation wind channel, is used for the heat that liquid crystal produces is in the course of the work in time left.The air outlet operated by rotary motion of heat dissipation wind channel is below liquid crystal board, but because liquid crystal board is a square structure, its bottom surface forms air intake and stops, thereby causes producing eddy current, influences cooling effect.
Summary of the invention
Purpose of the present invention provides a kind of projecting camera LCD cooling down mechanism with air guide member exactly in order to address the above problem.
The object of the present invention is achieved like this: a kind of projecting camera LCD cooling down mechanism with air guide member, described projector comprises the green glow liquid crystal board, blue light liquid crystal board and ruddiness liquid crystal board, described LCD cooling down mechanism comprises green glow liquid crystal board radiator fan, blue light liquid crystal board radiator fan and ruddiness liquid crystal board radiator fan and green glow liquid crystal board heat dissipation wind channel, blue light liquid crystal board heat dissipation wind channel and ruddiness liquid crystal board heat dissipation wind channel, the air inlet of three heat dissipation wind channels links to each other with the air outlet of three radiator fans respectively, the air outlet of three heat dissipation wind channels is arranged on the below of three liquid crystal boards respectively vertically upward, be characterized in described green glow liquid crystal board, the bottom of blue light liquid crystal board and ruddiness liquid crystal board is connected with air guide member respectively.
Described air guide member comprises two guide vanes, the length of two guide vanes is suitable with the length of liquid crystal board respectively, a long limit of two guide vanes links to each other with a longitudinal edge of liquid crystal board bottom respectively, and the long limit intersection below liquid crystal board of another of two guide vanes is connected to form the V-arrangement air guide member.
The projecting camera LCD cooling down mechanism of band air guide member of the present invention has been owing to installed the V-arrangement air guide member additional in the bottom of each liquid crystal board, thereby the cooling air flow velocity is accelerated, and increased cooling effect.
Description of drawings
Fig. 1 is the structural representation of the projecting camera LCD cooling down mechanism of band air guide member of the present invention;
Fig. 2 is the liquid crystal board of band air guide member among the present invention and the synoptic diagram of relevant optical thereof.
Embodiment
Referring to Fig. 1, the projecting camera LCD cooling down mechanism of band air guide member of the present invention is arranged in the housing of projector, is mainly used in being installed in the cooling of dispelling the heat of green glow liquid crystal board, ruddiness liquid crystal board and blue light liquid crystal board in the housing.This LCD cooling down mechanism comprises green glow liquid crystal board radiator fan 11, blue light liquid crystal board radiator fan 21 and ruddiness liquid crystal board radiator fan 31, green glow liquid crystal board heat dissipation wind channel 12, blue light liquid crystal board heat dissipation wind channel 22 and ruddiness liquid crystal board heat dissipation wind channel 32 as shown in Figure 1.The air inlet 121,221,321 of three heat dissipation wind channels links to each other with the air outlet of three radiator fans respectively, and the air outlet 122,222,322 of three heat dissipation wind channels is arranged on the below of three liquid crystal boards (not shown liquid crystal board) respectively vertically upward.Wherein, green glow liquid crystal board radiator fan 11 and the green glow liquid crystal board heat dissipation wind channel 12 that connects thereof are arranged on the back of green glow liquid crystal board, blue light liquid crystal board radiator fan 21 and the blue light liquid crystal board heat dissipation wind channel 22 that connects thereof are arranged on the back of blue light liquid crystal board, the two all is closely horizontal air intake, vertical air-out.And ruddiness liquid crystal board radiator fan 31 is arranged on the right of whole electro-optic modulation arrangement, the below that the ruddiness liquid crystal board heat dissipation wind channel 32 of its connection is arranged on the front of whole electro-optic modulation arrangement and passes projection lens bends towards the ruddiness liquid crystal board, remote inclination air intake, vertical air-out.Shown in Fig. 1,41 is polarization converter heat dissipation wind channel 41, and the air inlet 411 of this heat dissipation wind channel 41 links to each other with ruddiness liquid crystal board heat dissipation wind channel 32, and the air outlet 412 of this heat dissipation wind channel is towards the polarization converter (not shown).
Referring to Fig. 2, the bottom of each liquid crystal board 1 among the present invention (only showing a liquid crystal board and relevant optical among the figure) is connected with V-arrangement air guide member 2 respectively.This air guide member 2 is made up of two guide vanes, the length of two guide vanes is suitable with the length of liquid crystal board respectively, a long limit of two guide vanes links to each other with a longitudinal edge of liquid crystal board bottom respectively, and the long limit intersection below liquid crystal board of another of two guide vanes is connected to form the V-arrangement air guide member.Shown in Fig. 2,3 is polaroid, and 4 is color-combination prism, and 5 is projection lens.
Claims (2)
1, a kind of projecting camera LCD cooling down mechanism with air guide member, described projector comprises the green glow liquid crystal board, blue light liquid crystal board and ruddiness liquid crystal board, described LCD cooling down mechanism comprises green glow liquid crystal board radiator fan, blue light liquid crystal board radiator fan and ruddiness liquid crystal board radiator fan and green glow liquid crystal board heat dissipation wind channel, blue light liquid crystal board heat dissipation wind channel and ruddiness liquid crystal board heat dissipation wind channel, the air inlet of three heat dissipation wind channels links to each other with the air outlet of three radiator fans respectively, the air outlet of three heat dissipation wind channels is arranged on the below of three liquid crystal boards respectively vertically upward, it is characterized in that: described green glow liquid crystal board, the bottom of blue light liquid crystal board and ruddiness liquid crystal board is connected with air guide member respectively.
2, the projecting camera LCD cooling down mechanism of band air guide member as claimed in claim 1, it is characterized in that: described air guide member comprises two guide vanes, the length of two guide vanes is suitable with the length of liquid crystal board respectively, a long limit of two guide vanes links to each other with a longitudinal edge of liquid crystal board bottom respectively, and the long limit intersection below liquid crystal board of another of two guide vanes is connected to form the V-arrangement air guide member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610025083 CN101046616A (en) | 2006-03-27 | 2006-03-27 | Projector liquid crystal cooling mechanism with wind guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610025083 CN101046616A (en) | 2006-03-27 | 2006-03-27 | Projector liquid crystal cooling mechanism with wind guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101046616A true CN101046616A (en) | 2007-10-03 |
Family
ID=38771328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610025083 Pending CN101046616A (en) | 2006-03-27 | 2006-03-27 | Projector liquid crystal cooling mechanism with wind guide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101046616A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193292A (en) * | 2010-03-12 | 2011-09-21 | 三洋科技中心(深圳)有限公司 | Light source cooling device and projector using same |
-
2006
- 2006-03-27 CN CN 200610025083 patent/CN101046616A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193292A (en) * | 2010-03-12 | 2011-09-21 | 三洋科技中心(深圳)有限公司 | Light source cooling device and projector using same |
| CN102193292B (en) * | 2010-03-12 | 2012-11-28 | 三洋科技中心(深圳)有限公司 | Light source cooling device and projector using same |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |