CN101726979B - Projector - Google Patents

Projector Download PDF

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Publication number
CN101726979B
CN101726979B CN2008103051724A CN200810305172A CN101726979B CN 101726979 B CN101726979 B CN 101726979B CN 2008103051724 A CN2008103051724 A CN 2008103051724A CN 200810305172 A CN200810305172 A CN 200810305172A CN 101726979 B CN101726979 B CN 101726979B
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CN
China
Prior art keywords
side wall
projector
light emitting
radiating
air
Prior art date
Application number
CN2008103051724A
Other languages
Chinese (zh)
Other versions
CN101726979A (en
Inventor
吕厚成
黄凯
Original Assignee
鸿富锦精密工业(深圳)有限公司
鸿海精密工业股份有限公司
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Application filed by 鸿富锦精密工业(深圳)有限公司, 鸿海精密工业股份有限公司 filed Critical 鸿富锦精密工业(深圳)有限公司
Priority to CN2008103051724A priority Critical patent/CN101726979B/en
Publication of CN101726979A publication Critical patent/CN101726979A/en
Application granted granted Critical
Publication of CN101726979B publication Critical patent/CN101726979B/en

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Abstract

The invention relates to a projector which comprises an L-shaped optical machine, a projector shell and a heat radiating part, wherein the L-shaped optical machine and the heat radiating part are positioned in the shell; the L-shaped optical machine comprises a lens part and a light source part; the light source part is arranged on the heat radiating part; the projector shell comprises a first side wall, a third side wall, a second side wall and a fourth side wall, the first side wall and the third side wall are opposite, and the second side wall and the fourth side wall are respectively connected with the first side wall and the third side wall; the first side wall is provided with a lens hole; the lens part is positioned in the lens hole; light rays emitted by the light source part are projected by the lens part; the L-shaped optical machine, the second side wall, the third side wall and the fourth side wall form a passage; the first side wall is provided with an air outlet, and the third side wall is provided with a first air inlet, therefore, an air passage of the passage, which passes through the heat radiating part, is formed between the first air inlet and the air outlet; and at least one exhaust fan is arranged between the air outlet and the heat radiating part to exhaust the heat in the projector out of the projector by the air outlet, thereby effectively radiating the heat.

Description

Projector

Technical field

The present invention relates to a kind of projector.

Background technology

Because projector belongs to accurate optical, mechanical and electronic integration product, its inner components and parts are very responsive to temperature, in-built in addition complicacy, himself is relatively harsher for the requirement of temperature, so projector equally relates to the problem of heat radiation with numerous computer parts.Projector's integral body develops towards portable, super portable projection at present, and projector's volume is more and more littler, and heat radiation requires just higher, and the overall brightness of projector this means that also improving the heat of generation is also more and more higher.Everything is all had higher requirement to the heat dissipation technology of projector.Therefore, how efficiently radiates heat has become this area technical matters extremely to be solved.

Summary of the invention

In view of this, be necessary to provide a kind of projector with excellent heat dispersion performance.

A kind of projector comprises: L type ray machine, casing and radiating part.This L type ray machine and this radiating part are positioned at this casing.This L type ray machine comprises a camera lens part and light source portion.This light source portion is arranged on this radiating part.Described casing comprises relative the first side wall and the 3rd sidewall, connects second sidewall and the 4th sidewall of this first side wall and the 3rd sidewall respectively.Offer camera aperture on this first side wall.This camera lens part is positioned at this camera aperture.This light source portion emits beam and is penetrated by this camera lens part.This L type ray machine and this second sidewall, the 3rd sidewall and the 4th sidewall form passage.Offer air outlet on this first side wall, offer first air intake vent on the 3rd sidewall, offer second air intake vent on this second sidewall, offer the 3rd air intake vent on the 4th sidewall, thereby utilize this passage to form and start from this first air intake vent together, through this second air intake vent, first air channel and of this air outlet originates in this first air intake vent finally, through the 3rd air intake vent, second air channel of this air outlet finally.Between this air outlet and this radiating part, be provided with at least one air exhauster.

With respect to prior art, the casing of projector provided by the invention is provided with this first air intake vent and this air outlet, between this first air intake vent and this air outlet, form air channel, thereby drive air motion the heat of this projector inside is expelled to outside and then efficiently radiates heat through this air outlet by being arranged at least one air exhauster between this air outlet and this radiating part through this radiating part.

Description of drawings

The structural representation of the projector that Fig. 1 provides for first embodiment of the invention.

The structural representation of the projector that Fig. 2 provides for second embodiment of the invention.

Fig. 3 is the stereographic map of the radiating part of the projector among Fig. 2.

Embodiment

See also Fig. 1, the projector 100 that first embodiment of the invention provides comprises: L type ray machine 10, radiating part 20 and casing 30.This L type ray machine 10 and this radiating part 20 are located in this casing 30.This L type ray machine 10 comprises a light source portion 12 and a camera lens part 14.This light source portion 12 comprises a circuit board 122 and is positioned at three light emitting diodes on this circuit board 122, this circuit board 122 places on this radiating part 20, these three light emitting diodes are respectively red light emitting diodes 124, green LED 126 and blue LED 128, and this red light emitting diodes 124, this green LED 126 and this blue LED 128 are yi word pattern and arrange.Described casing 30 comprises relative the first side wall 32 and the 3rd sidewall 36, connects second sidewall 34 and the 4th sidewall 38 of this first side wall 32 and the 3rd sidewall 36 respectively.Offer camera aperture 322 on this first side wall 32, this camera lens part 14 is positioned at this camera aperture 322.This light source portion 12 emits beam and is penetrated by this camera lens part 14.This L type ray machine 10 forms passage 50 with these second sidewall, 34, the three sidewalls 36 and the 4th sidewall 38.Offer on this first side wall 32 on air outlet 324, the three sidewalls 36 and offer first air intake vent 362, offer second air intake vent 342 on this second sidewall 34.Offer the 3rd air intake vent 382 on the 4th sidewall 38, thereby utilize this passage 50 to form one and originate in this first air intake vent 362, through this second air intake vent 342, finally first air channel 52 (referring to the direction of arrow among Fig. 1) and of this air outlet 324 originates in this first air intake vent 362, through the 3rd air intake vent 382, second air channel 54 (referring to the direction of arrow among Fig. 2) of this air outlet 324 finally.Between this air outlet 324 and this radiating part 20, be provided with an air exhauster 40.This air exhauster 40 is an aerofoil fan.

Thereby the quantity that is appreciated that air exhauster can increase according to the radiating requirements of this projector and strengthen radiating effect; The arrangement of these three light emitting diodes can change according to the design needs; This light source portion 12 can be made up of three discrete light-emitting diode components.Each light-emitting diode component comprises and is positioned at the circuit board on the radiating part 20 and is positioned at light emitting diode on the circuit board that these three light emitting diodes are respectively red light emitting diodes, green LED and blue LED.

Usually, projector's 100 internal heat mainly result from this light source portion 12.The heat that this light source portion 12 is sent conducts to this radiating part 20.When 40 work of this air exhauster, drive air motion, make air-flow pass through the guiding in this first air channel 52 and this second air channel 54 respectively and, flow out from this air outlet 324, thereby the heat on this radiating part 20 is taken out of to this projector 100 through this radiating part 20.

Please in the lump referring to Fig. 2 and Fig. 3, the 100a of projector that second embodiment of the invention provides, the difference of the projector 100 that itself and first embodiment provide is that this radiating part 20a comprises the first radiating block 22a, the second radiating block 24a and heat pipe 26a.This first radiating block 22a comprises radiating fin 222a.Described heat pipe 26a has evaporation ends 262a and condensation end 264a, and described condensation end 264a is arranged on this radiating fin 222a, and described evaporation ends 262a is arranged in the second radiating block 24a.Preferably, thus this second radiating block 24a is provided with radiating fin 242a to be strengthened the thermal diffusion area and then reaches better radiating effect.Blue LED 128a in these three light emitting diodes is arranged on this second radiating block 24a, all the other two light emitting diodes are arranged on this first radiating block 22a, thereby make this red light emitting diodes 124a, this green LED 126a and this blue LED 128a are the L type and arrange.Except that the beneficial effect of the projector 100 with first embodiment, three light emitting diodes of the 100a of this projector are arranged because of adopting the L type, thus the reduction 100a of projector volume.

The arrangement that is appreciated that these three light emitting diodes can change according to the design needs, is arranged on this second radiating block 24a as this red light emitting diodes 124a, and all the other two light emitting diodes are arranged on this first radiating block 22a; Or this green LED 126a is arranged on this second radiating block 24a, and all the other two light emitting diodes are arranged on this first radiating block 22a.

With respect to prior art, this casing of projector provided by the invention is provided with this first air intake vent, this second air intake vent, thereby the 3rd air intake vent and this air outlet form one and originate in this first air intake vent, through this second air intake vent, finally first air channel and of this air outlet originates in this first air intake vent, through the 3rd air intake vent, second air channel of this air outlet finally.This projector drives air motion by the air exhauster that is arranged between this air outlet and this radiating part, and the directed flow in air-flow this first air channel of process and second air channel is through this radiating part and flow out this air outlet and then efficiently radiates heat.

Those skilled in the art will be appreciated that; above embodiment only is to be used for illustrating the present invention; and be not to be used as limitation of the invention; as long as within connotation scope of the present invention, appropriate change and variation that above embodiment is done all drop within the scope of protection of present invention.

Claims (8)

1. a projector comprises: L type ray machine, casing and radiating part, this L type ray machine and this radiating part are positioned at this casing, this L type ray machine comprises a camera lens part and light source portion, this light source portion is arranged on this radiating part, described casing comprises relative the first side wall and the 3rd sidewall, second sidewall and the 4th sidewall that connect this first side wall and the 3rd sidewall respectively, offer camera aperture on this first side wall, this camera lens part is positioned at this camera aperture, this light source portion emits beam and is penetrated by this camera lens part, it is characterized in that, this L type ray machine and this second sidewall, the 3rd sidewall and the 4th sidewall form passage, offer air outlet on this first side wall, offer first air intake vent on the 3rd sidewall, offer second air intake vent on this second sidewall, offer the 3rd air intake vent on the 4th sidewall, thereby utilize this passage to form and start from this first air intake vent together, through this second air intake vent, first air channel and of this air outlet originates in this first air intake vent finally, through the 3rd air intake vent, finally second air channel of this air outlet is provided with at least one air exhauster between this air outlet and this radiating part.
2. projector as claimed in claim 1 is characterized in that, this air exhauster is an aerofoil fan.
3. projector as claimed in claim 1, it is characterized in that, this light source portion comprises a circuit board and is positioned at three light emitting diodes on this circuit board, this circuit board places on this radiating part, these three light emitting diodes are respectively red light emitting diodes, green LED and blue LED.
4. projector as claimed in claim 1, it is characterized in that, this light source portion comprises three light-emitting diode components, each light-emitting diode component comprises and is positioned at the circuit board on this radiating part and is positioned at light emitting diode on the circuit board, these three light emitting diodes are respectively red light emitting diodes, green LED and blue LED.
5. as claim 3 or 4 described projectors, it is characterized in that, this red light emitting diodes, this green LED and this blue LED are yi word pattern and arrange.
6. as claim 3 or 4 described projectors, it is characterized in that this red light emitting diodes, this green LED and this blue LED are the L type and arrange.
7. projector as claimed in claim 6, it is characterized in that, this radiating part comprises first radiating block, second radiating block and heat pipe, this first radiating block comprises radiating fin, described heat pipe has an evaporation ends and a condensation end, described evaporation ends is arranged in second radiating block, described condensation end places on this radiating fin, this at least one air exhauster is arranged between this air outlet and this first radiating block, one of them light emitting diode of these three light emitting diodes places on this second radiating block, and all the other two light emitting diodes place on this first radiating block.
8. projector as claimed in claim 7 is characterized in that, this second radiating block also comprises radiating fin.
CN2008103051724A 2008-10-24 2008-10-24 Projector CN101726979B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008103051724A CN101726979B (en) 2008-10-24 2008-10-24 Projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008103051724A CN101726979B (en) 2008-10-24 2008-10-24 Projector

Publications (2)

Publication Number Publication Date
CN101726979A CN101726979A (en) 2010-06-09
CN101726979B true CN101726979B (en) 2011-12-14

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Application Number Title Priority Date Filing Date
CN2008103051724A CN101726979B (en) 2008-10-24 2008-10-24 Projector

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103163713B (en) * 2011-12-19 2015-05-13 比亚迪股份有限公司 Projector
CN103324013B (en) 2012-03-23 2015-07-29 中强光电股份有限公司 Projection arrangement
CN103941530A (en) 2013-01-23 2014-07-23 鸿富锦精密工业(深圳)有限公司 Projector cooling apparatus
CN105182665A (en) * 2015-08-07 2015-12-23 苏州佳世达光电有限公司 Lens fixed assembly and projection device
CN110191618A (en) * 2019-05-30 2019-08-30 维沃移动通信(杭州)有限公司 The control method of terminal device and terminal device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1573511A (en) * 2003-06-11 2005-02-02 精工爱普生株式会社 Projector
CN1645243A (en) * 2004-01-21 2005-07-27 株式会社日立制作所 Projection type video display apparatus
EP1748315A1 (en) * 2005-07-26 2007-01-31 Samsung Electronics Co., Ltd. A Projector
CN1991570A (en) * 2005-12-29 2007-07-04 普立尔科技股份有限公司 Portable projector
CN101052915A (en) * 2004-10-29 2007-10-10 夏普株式会社 Optical integrator, illuminator and projection image display
CN101091396A (en) * 2005-04-28 2007-12-19 卡西欧计算机株式会社 Projector and method for cooling the same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1573511A (en) * 2003-06-11 2005-02-02 精工爱普生株式会社 Projector
CN1645243A (en) * 2004-01-21 2005-07-27 株式会社日立制作所 Projection type video display apparatus
CN101052915A (en) * 2004-10-29 2007-10-10 夏普株式会社 Optical integrator, illuminator and projection image display
CN101091396A (en) * 2005-04-28 2007-12-19 卡西欧计算机株式会社 Projector and method for cooling the same
EP1748315A1 (en) * 2005-07-26 2007-01-31 Samsung Electronics Co., Ltd. A Projector
CN1991570A (en) * 2005-12-29 2007-07-04 普立尔科技股份有限公司 Portable projector

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