CN203745787U - DLP projector cooling device - Google Patents
DLP projector cooling device Download PDFInfo
- Publication number
- CN203745787U CN203745787U CN201320876603.9U CN201320876603U CN203745787U CN 203745787 U CN203745787 U CN 203745787U CN 201320876603 U CN201320876603 U CN 201320876603U CN 203745787 U CN203745787 U CN 203745787U
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- air
- camera lens
- positive
- air duct
- heater element
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides a DLP projector cooling device which comprises a positive-pressure air duct, air inlet fans, air inlets, a lens, a heating element and cooling blocks. A first side wall and a second side wall of the positive-pressure air duct are connected into a right angle to form a square air duct space. The at least three air inlet fans are respectively arranged at the two side wall ends and the right-angle position of the positive-pressure air duct. The side walls of the positive-pressure air duct are provided with the air inlets at the positions of the air inlet fans. The lens is connected with the heating element. The lens and the heating element are arranged inside the positive-pressure air duct. The cooing blocks are connected with the heating element. The air inlet fans directly face the cooling blocks and the lens. The positive-pressure air duct is adopted in the utility model, which lowers the requirement on the internal space of projectors and enables the cooling requirements of small projectors to be met. The design of the positive-pressure air duct enables the pressure inside a projector to be higher than outside pressure. Air blown into a machine case is extruded in a machine to fill every corner and fully absorb heat, and then overflows from all holes and gaps allowing overflowing to take away a lot of heat.
Description
Technical field
The utility model relates to a kind of heat abstractor, particularly a kind of DLP projector heat sink.
Background technology
Along with function and the complicacy of projector day by day improves, its power constantly increases, and the main energy transform into heat energy of power consumption, causes its inner temperature to improve rapidly, need to dispel the heat quickly to avoid affecting reliability and the serviceable life of product.Pursuing projector's miniaturization, in the situation of high brightness, other electronic products of the power density ratio of projector exceed a lot, wherein the power consumption of light source accounts for greatly 75% of whole projector system power consumption, in addition, its digital micro-mirror device and drive circuit board also can produce a part of heat, therefore, and the key of projector's design during to the heat dissipation design of light source, digital micro-mirror device and drive circuit board.
Wind-cooling heat dissipating is the modal radiating mode of projector, by fan, corresponding wind-cooling heat dissipating is carried out in thermal source position.At present, the heat dissipation wind channel in projector, for all pressing air channel, is brought cool exterior air into by two fans of one-in-and-one-out, discharges internal heat air and realizes cooling.Although this, all press air channel framework easy and projector to coincide, design difficulty is low, and its air flow path needs relatively large inner space guarantee effectively to dispel the heat.For the more and more less projector of volume requirement, the in the situation that of inner structure compactness, be difficult to guarantee to have appropriate position that air intake fan and exhaust fan are set simultaneously, thereby cause the restriction of Liao Dui projector volume size.
Utility model content
For above-mentioned defect and the problem of prior art, the utility model object is to provide a kind of DLP projector heat sink, adopts the design in malleation air channel, reduces the requirement of Liao Dui projector inner space, thereby meets the heat radiation requirement of small projector.
In order to achieve the above object, the utility model is realized by the following technical solutions:
A kind of DLP projector heat sink, comprise malleation air channel, air intake fan, air inlet, camera lens, heater element, radiating block, described malleation air channel connects into right angle by the first side wall and the second sidewall and forms square duct space, described air intake fan is at least three, be separately positioned on two sidewall end and the place, right angle in malleation air channel, and the sidewall in malleation air channel is offered air inlet on the position of air intake fan, described camera lens connects heater element, it is inner that described camera lens and heater element are arranged on malleation air channel, radiating block connects heater element, described air intake fan is over against radiating block and camera lens.
Further technical scheme, also comprises dividing plate, and described dividing plate is arranged between heater element and camera lens, and malleation air channel is divided into two sub-air channels, and described air intake fan scattering device is on two sub-air channels.A sub-air channel is for reducing temperature of heating elements, and another is for reducing camera lens temperature, and because the temperature of camera lens is lower than heater element, the fan power of entering on the sub-air channel of camera lens can be lower than on heater element air channel.
Further technical scheme, also comprises temperature sensing circuit and single-chip microcomputer, and described temperature sensing circuit connects radiating block, camera lens, and described single-chip microcomputer connects temperature sensing circuit, air intake fan, realizes the parts of different temperature are carried out to different heat radiation wind-force.
Further technical scheme, also comprises dirt filtrating screen, and described dirt filtrating screen is arranged on air inlet.
The utility model adopts the design in malleation air channel, reduce the requirement of Liao Dui projector inner space, thereby meet the heat radiation requirement of small projector, and the design in malleation air channel makes the air pressure of projector inside be greater than external pressure, allow the air that is blown into cabinet push in machine, fill each corner, fully absorb heat, then overflow in hole, the gap that from all, can overflow, thereby take away amount of heat; And because internal pressure is greater than external environment condition, as long as fan is rotating, dust just almost has no chance to enter by the gap of body, adds that air inlet is provided with dirt filtrating screen, can effectively prevent the laying dust in laying dust, particularly camera lens in cabinet, guarantees projection quality; By two sub-air channels, temperature sensing circuit and single-chip microcomputers, realize the parts of different temperature are carried out to different heat radiation wind-force.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only an embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is wind direction schematic diagram of the present utility model.
Wherein: 1, malleation air channel, 2, air inlet, 3, the first side wall, the 4, second sidewall, 5, single-chip microcomputer, 6, dirt filtrating screen, 7, air intake fan, 8, dividing plate, 9, temperature sensing circuit, 10, camera lens, 11, heater element, 12, radiating block.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment is only embodiment of the utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1, the utility model is a kind of DLP projector heat sink, malleation air channel connects into right angle by the first side wall and the second sidewall and forms square duct space, air intake fan is at least three, be separately positioned on two sidewall end and the place, right angle in malleation air channel, and the sidewall in malleation air channel is offered air inlet on the position of air intake fan, camera lens connects heater element, it is inner that camera lens and heater element are arranged on malleation air channel, and radiating block connects heater element, and air intake is fanned over against radiating block and camera lens.Between heater element and camera lens, dividing plate is set, malleation air channel is divided into two sub-air channels, air intake fan scattering device is on two sub-air channels.A sub-air channel is for reducing temperature of heating elements, and another is for reducing camera lens temperature, and because the temperature of camera lens is lower than heater element, the fan power of entering on the sub-air channel of camera lens can be lower than on heater element air channel.The present embodiment also comprises dirt filtrating screen, temperature sensing circuit and single-chip microcomputer, and dirt filtrating screen is arranged on air inlet, and temperature sensing circuit connects radiating block, camera lens, and single-chip microcomputer connects temperature sensing circuit, air intake fan.Temperature sensing circuit detects the temperature of different radiating blocks, and when temperature is during higher than early warning temperature, single-chip microcomputer is opened the different windscreens of air intake fan according to the height that temperature detected, thereby realize, the parts of different temperature are carried out to different heat radiation wind-force.
Principle of work of the present utility model is as follows:
After DLP projector heat sink starts, heater element starts distribute heat, and heat is passed to radiating block and camera lens, air intake fan also starts to start, cool exterior air by the air inlet on sidewall after filtration dirt net filtration go to enter projector after airborne dust, cold air blows on radiating block and camera lens, concrete wind direction is as Fig. 2, fill each corner, fully absorb heat, then from loom, overflow in all holes that can overflow, gap.Because dividing plate separates heater element and camera lens to form two sub-air channels, the temperature of camera lens is lower than heater element, and the fan power of entering on the sub-air channel of camera lens can be lower than on heater element air channel.From saving the angle of the energy, consider, on radiating block, camera lens, connect temperature sensing circuit, according to the temperature being checked through, single-chip microcomputer is opened the different windscreens of air intake fan, thereby realize, the parts of different temperature are carried out to different heat radiation wind-force, improve the utilization factor of the energy.
The above; it is only embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion by the described protection domain with claim.
Claims (4)
1. a DLP projector heat sink, comprise malleation air channel, air intake fan, air inlet, camera lens, heater element, radiating block, it is characterized in that: described malleation air channel connects into right angle by the first side wall and the second sidewall and forms square duct space, described air intake fan is at least three, be separately positioned on two sidewall end and the place, right angle in malleation air channel, and the sidewall in malleation air channel is offered air inlet on the position of air intake fan, described camera lens connects heater element, it is inner that described camera lens and heater element are arranged on malleation air channel, described radiating block connects heater element, described air intake fan is over against radiating block and camera lens.
2. DLP projector heat sink according to claim 1, is characterized in that: also comprise dividing plate, described dividing plate is arranged between heater element and camera lens, and malleation air channel is divided into two sub-air channels, and described air intake fan scattering device is on two sub-air channels.
3. DLP projector heat sink according to claim 1 and 2, is characterized in that: also comprise temperature sensing circuit and single-chip microcomputer, described temperature sensing circuit connects radiating block, camera lens, and described single-chip microcomputer connects temperature sensing circuit, air intake fan.
4. DLP projector heat sink according to claim 1 and 2, is characterized in that: also comprise dirt filtrating screen, described dirt filtrating screen is arranged on air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876603.9U CN203745787U (en) | 2013-12-27 | 2013-12-27 | DLP projector cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320876603.9U CN203745787U (en) | 2013-12-27 | 2013-12-27 | DLP projector cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203745787U true CN203745787U (en) | 2014-07-30 |
Family
ID=51345566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320876603.9U Expired - Fee Related CN203745787U (en) | 2013-12-27 | 2013-12-27 | DLP projector cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203745787U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375610A (en) * | 2014-12-05 | 2015-02-25 | 浪潮集团有限公司 | Reverse air inlet heat dissipation method of bank self-service equipment |
| CN112269297A (en) * | 2020-10-19 | 2021-01-26 | 古龙 | DLP optical machine heat radiation structure of car new line digital display |
| CN112485956A (en) * | 2020-12-10 | 2021-03-12 | 阜阳市世科智能设备有限公司 | Multimedia equipment for smart home and use method |
-
2013
- 2013-12-27 CN CN201320876603.9U patent/CN203745787U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375610A (en) * | 2014-12-05 | 2015-02-25 | 浪潮集团有限公司 | Reverse air inlet heat dissipation method of bank self-service equipment |
| CN112269297A (en) * | 2020-10-19 | 2021-01-26 | 古龙 | DLP optical machine heat radiation structure of car new line digital display |
| CN112485956A (en) * | 2020-12-10 | 2021-03-12 | 阜阳市世科智能设备有限公司 | Multimedia equipment for smart home and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU GUOZIYUAN HIGH-TECH INDUSTRY CO., LTD. Free format text: FORMER NAME: JIANGSU GUOZIYUAN SYSTEM ENGINEERING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 210000, Jiangsu, Nanjing Xuanwu District, Xuanwu Avenue, 699-1, Xu Zhuang software base, CMC administrative services center 2 floor Patentee after: JIANGSU GUOZIYUAN HI-TECH INDUSTRY CO., LTD. Address before: 210000, Jiangsu, Nanjing Xuanwu District, Xuanwu Avenue, 699-1, Xu Zhuang software base, CMC administrative services center 2 floor Patentee before: Jiangsu state resource system Engineering Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20161227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |