CN201408318Y - Heat-radiating device for LCD projector - Google Patents
Heat-radiating device for LCD projector Download PDFInfo
- Publication number
- CN201408318Y CN201408318Y CN2009200498793U CN200920049879U CN201408318Y CN 201408318 Y CN201408318 Y CN 201408318Y CN 2009200498793 U CN2009200498793 U CN 2009200498793U CN 200920049879 U CN200920049879 U CN 200920049879U CN 201408318 Y CN201408318 Y CN 201408318Y
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- CN
- China
- Prior art keywords
- panel
- lcd projector
- exhaust fan
- green
- fan blower
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- Expired - Fee Related
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Abstract
The utility model provides a heat-radiating device for an LCD projector, comprising an air blower (1), an air blower (2), an air blower (3), an exhaust fan (4), an exhaust fan (5), a main board (6),apower panel (7), a bulb (9), an inductor (11), an inductor (12), a red panel (13), a green panel (14), a blue panel (15) and a bottom air inlet, the power panel (7) is arranged below the main board (6), the air blower (1) is arranged at the right side of the green panel (14) for radiating the heat of the green panel (14) independently. By utilizing one air blower to radiate heat of the green panelindependently, the working temperature of the green panel is greatly reduced, and the whole service life of an LCD panel is improved. A control system is used for controlling the working voltage androtating speed of the air blowers (1), (2) and (3) and the exhaust fan (4) and (5) under different working temperature, thereby effectively reducing the noise of the machine.
Description
Technical field
The utility model relates to the heat abstractor field, relates in particular to the heat abstractor of a kind of LCD of being used for projector.
Background technology
At present, along with the widespread use of shadow casting technique, the range of application of projector is also more and more wider, has obtained in office space, school etc. popularizing in a large number.Because projector belongs to passive light-emitting display apparatus, projector in use can produce a large amount of heats, and these high heat all can exert an influence to electronic devices and components and optical component, and then have influence on the performance of projector, especially to the influence of LCD panel.Become a gordian technique so be used for the heat abstractor of LCD (LCDs) projector.
At present, the common heat abstractor that is used for LCD projector, owing to be subjected to the restriction of projector's cost and physical dimension, radiating effect is also bad, the easiest damage of wherein green panel, at present common LCD projector is that green panel is damaged earlier mostly, causes LCD panel overall serviceable life far below DLP (digital light processing) chip serviceable life, and then influences the serviceable life of LCD projector.
The utility model content
The technical problems to be solved in the utility model provides the heat abstractor of a kind of LCD of being used for projector, the radiating effect that is intended to solve the heat abstractor that is used for LCD projector common in the prior art is also bad, the easiest damage of wherein green panel, cause LCD panel overall serviceable life far below DLP chip serviceable life, and then influence the serviceable life of LCD projector.
For the technical matters of the heat abstractor that solves the above-mentioned LCD of being used for projector, the utility model adopts following technical scheme:
A kind of heat abstractor that is used for LCD projector comprises fan blower 1, fan blower 2, fan blower 3, exhaust fan 4, exhaust fan 5, mainboard 6, power panel 7, bulb 9, inductor 11, inductor 12, red panel 13, green panel 14, blue panel 15 and bottom air inlet, described power panel 7 is arranged on the below of mainboard 6, described fan blower 1 is arranged on green panel 14 right sides, is used for separately to green panel 14 heat radiations.
Further, the side in LCD projector is provided with the side air intake opening.
Further again, the core devices position of described LCD projector is provided with inductor 11 and inductor 12, is used for the temperature of continuous acquisition core devices respectively.
Further, described LCD projector inside is provided with control system, is used to adjust the operating voltage and the rotating speed of fan blower 1,2,3 and exhaust fan 4,5.
Further again, described power panel 7 and mainboard 6 one-tenth vertical line type rows put.
The heat abstractor that is used for LCD projector of the present utility model, it is smooth and easy that LCD projector inner air is flowed, and improves cooling effectiveness.By using an independent fan blower to give green panel heat radiation, greatly reduce the working temperature of green panel, thereby improved the whole service life of LCD panel.In addition, by the fan blower 1,2,3 under the control system control varying environment temperature and the operating voltage and the rotating speed of exhaust fan 4,5, projector can be operated under the different temperature environments, and can effectively reduce set noise, usually can reach below the 32dB, to satisfy family's request for utilization.
Description of drawings
Fig. 1 is the structural representation of the distinguished and admirable distribution of heat radiation of the heat abstractor that is used for LCD projector common in the prior art.
Fig. 2 is the structural representation of the heat abstractor of the LCD of being used for of the present utility model projector
Fig. 3 is the structural representation of the distinguished and admirable distribution of heat radiation of the heat abstractor of the LCD of being used for of the present utility model projector.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is done detailed explanation.
As shown in Figure 1, the heat abstractor that is used for LCD projector common in the prior art mainly comprises fan blower 1, fan blower 2, fan blower 3, exhaust fan 4, exhaust fan 5, mainboard 6, power panel 7, ray machine 8, bulb 9, red panel 13, green panel 14, blue panel 15.Ray machine 8 sends light 10.Power panel 7 is below mainboard 6, and both become the L type to arrange.The bottom of LCD projector has bottom air inlet.1 pair of red panel 13 of fan blower wherein, green panel 14 and blue panel 15 heat radiations, air is divided into two-way after entering from bottom air inlet, and one the road blows power panel 7 earlier, and then the wick and the lamp tail of the bubble 9 of blowing out the lamp; Red panel 13 is blown on another road, and green panel 14 and blue panel 15 are taken away hot blast by exhaust fan 4 and exhaust fan 5 at last.
The heat abstractor that is used for LCD projector under the embodiment of the present utility model as shown in Figure 2, mainly comprises fan blower 1, fan blower 2, fan blower 3, exhaust fan 4, exhaust fan 5, mainboard 6, power panel 7, ray machine 8, bulb 9, inductor 11, inductor 12, red panel 13, green panel 14, blue panel 15.Power panel 7 is arranged on the below of mainboard 6, and both become line style to arrange.Ray machine 8 sends light 10, wherein fan blower 1 is arranged on green panel 14 right sides, be used for separately to green panel 14 heat radiations, 2 pairs of red panel 13 of fan blower and blue panel 15 heat radiations, fan blower 3 is that the wick of bulb 9 and fly's-eye lens are dispelled the heat, exhaust fan 5 is given power panel 7 and apparatus for lighting up heat radiation, and exhaust fan 4 is given the lamp tail heat radiation of mainboard 6 and bulb 9, simultaneously the hot blast of bulb is taken away.
As shown in Figure 2, be provided with inductor 11 and inductor 12, be used for distinguishing the temperature of continuous acquisition core devices, and in time feed back to the control system of projector in the core devices position of LCD projector.Because the variation of environment temperature, the device temperature of LCD projector inside also can change, feedback data by inductor, the control system of LCD projector inside can be adjusted at the operating voltage and the rotating speed of fan blower 1,2,3 and exhaust fan 4,5 under the varying environment temperature, thereby reach rational radiating effect, so that LCD projector steady operation.
Operating voltage preferred parameter at fan blower under the varying environment temperature 1,2,3 and exhaust fan 4,5 is as follows: when environment temperature at 25 degree when following, the voltage of fan blower 1 and fan blower 2 is 9 volts, the voltage of fan blower 3 is 10.5 volts, and the voltage of exhaust fan 5 is 8 volts, and the voltage of exhaust fan 4 is 9 volts; When environment temperature 25 the degree to 30 the degree between the time, the voltage of fan blower 1 and fan blower 2 is 10 volts, the voltage of fan blower 3 is 11 volts, the voltage of exhaust fan 5 is 9 volts, the voltage of exhaust fan 4 is 10 volts; When environment temperature 30 the degree to 35 the degree between the time, the voltage of fan blower 1 and fan blower 2 is 11 volts, the voltage of fan blower 3 is 11.5 volts, the voltage of exhaust fan 5 is 10.5 volts, the voltage of exhaust fan 4 is 11 volts; When environment temperature at 35 degree when above, fan blower 1, fan blower 2, fan blower 3, the voltage of exhaust fan 4, exhaust fan 5 is 12 volts.By being controlled at the fan blower under the varying environment temperature and the voltage of exhaust fan, can play the purpose that reduces LCD projector noise.
As shown in Figure 3, the structural representation of the distinguished and admirable distribution of heat radiation of the heat abstractor that is used for LCD projector of the present utility model, heat abstractor of the present utility model is provided with two air intake openings, be separately positioned on the side and the bottom of LCD projector, after air is entered by side, directly discharge behind flow through power panel 7 and the apparatus for lighting up by exhaust fan 5; Another road air LCD projector bottom enters, fan blower 1 is delivered to green panel place with air and is cooled off, fan blower 2 is with the air separated into two parts, respectively red panel and blue panel are cooled off, the air-flow that converges fan blower 1 then flows to fan blower 3 places along mainboard, at this moment portion of air is sucked by fan blower 3, respectively wick and ogle lens are dispelled the heat, discharge by exhaust fan 4 then, another part air is directly taken away by exhaust fan 4, flows through bulb tail and discharges LCD projector.
The heat abstractor that is used for LCD projector of this embodiment, it is smooth and easy that LCD projector inner air is flowed, and improves cooling effectiveness.By using an independent fan blower to give green panel heat radiation, greatly reduce the working temperature of green panel, thereby improved the whole service life of LCD panel.In addition, by the fan blower under the control varying environment temperature and the operating voltage of exhaust fan, projector can be operated under the different temperature environments, and can effectively reduce set noise, usually can reach below the 32dB, to satisfy family's request for utilization.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1, a kind of heat abstractor that is used for LCD projector, comprise fan blower (1), fan blower (2), fan blower (3), exhaust fan (4), exhaust fan (5), mainboard (6), power panel (7), bulb (9), inductor (11), inductor (12), red panel (13), green panel (14), blue panel (15) and bottom air inlet, described power panel (7) is arranged on the below of mainboard (6), it is characterized in that: described fan blower (1) is arranged on green panel (14) right side, is used for separately green panel (14) being dispelled the heat.
2, the heat abstractor that is used for LCD projector according to claim 1 is characterized in that: the side in LCD projector is provided with the side air intake opening.
3, the heat abstractor that is used for LCD projector according to claim 2 is characterized in that: the core devices position of described LCD projector is provided with inductor (11) and inductor (12), is used for the temperature of continuous acquisition core devices respectively.
4, according to each described heat abstractor that is used for LCD projector in the claim 1 to 3, it is characterized in that: described LCD projector inside is provided with control system, is used to adjust the operating voltage and the rotating speed of fan blower (1), (2), (3) and exhaust fan (4), (5).
5, according to each described heat abstractor that is used for LCD projector in the claim 1 to 3, it is characterized in that: described power panel (7) becomes line style row to put with mainboard (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200498793U CN201408318Y (en) | 2009-01-12 | 2009-01-12 | Heat-radiating device for LCD projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200498793U CN201408318Y (en) | 2009-01-12 | 2009-01-12 | Heat-radiating device for LCD projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201408318Y true CN201408318Y (en) | 2010-02-17 |
Family
ID=41679256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200498793U Expired - Fee Related CN201408318Y (en) | 2009-01-12 | 2009-01-12 | Heat-radiating device for LCD projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201408318Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621787A (en) * | 2011-01-31 | 2012-08-01 | 亚洲光学股份有限公司 | Heat radiation structure of projector |
-
2009
- 2009-01-12 CN CN2009200498793U patent/CN201408318Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102621787A (en) * | 2011-01-31 | 2012-08-01 | 亚洲光学股份有限公司 | Heat radiation structure of projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20170112 |