CN202512357U

CN202512357U - Novel LED projector

Info

Publication number: CN202512357U
Application number: CN2012200923249U
Authority: CN
Inventors: 陈宝大
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-13
Filing date: 2012-03-13
Publication date: 2012-10-31
Anticipated expiration: 2022-03-13

Abstract

The utility model discloses a novel LED projector which comprises a shell. A light machine and a circuit board are arranged in the shell, filter radiating fins and a radiating module are sequentially arranged at the top of the shell from bottom to top, the light machine comprises a lens, an optical component and a light source module, the lens and the light source module are fixedly arranged at a light entering end and a light exiting end of the optical component respectively, the light source module comprises a first LED lamp, a second LED lamp and a third LED lamp, the second LED lamp and the third LED lamp are opposite, the first LED lamp is positioned between the second LED lamp and the third LED lamp and is opposite to the light exiting end of the optical component, a first radiating fan and a plurality of radiating fin groups are arranged on the circuit board, and the radiating fin groups are evenly distributed along the periphery of the light machine. LEDs are used as luminous sources, the novel LED projector is energy-saving, environment-friendly, low in failure rate, low in consumable cost and long in service life, and the radiating efficiency of the light source module is effectively improved by the aid of a reasonable radiating structure.

Description

The New LED projector

Technical field

The utility model relates to a kind of projector, relates in particular to a kind of New LED projector.

Background technology

Projector is claimed projector again; TRT-3M portable translucent machine; Main through 3MLCOS RGB tricolor projection's ray machine and 720P sheet decoding technique, tradition huge projector's exquisitenessization, portability, microminiaturization, entertainment orientation, practicability, make shadow casting technique closeness to life and amusement more.In projector, the problem performance that heat flow density sharply rises is particularly outstanding.According to the image-forming principle of projector, behind the three primary colours light that sends by the light source module, reflect light to screen by DMD (Digital Micromirror Device, digital micro-mirror sheet device) according to the requirement of signal again and foretell and form image.In order to obtain the brightness output of high lumen, must realize that particularly with the projector of LED (Light-Emitting Diode) as the light source module, the heat height that green glow and red-light LED produce especially will dispel the heat through powerful light source module.Therefore, the heat dissipation design to the light source of projector module is projector's key for design content.

Summary of the invention

To the problem that above-mentioned prior art exists, the utility model provides a kind of New LED projector.

To achieve these goals; The technical scheme that the utility model adopts is: a kind of New LED projector, comprise housing, and be provided with ray machine and circuit board in the housing; The top of housing is provided with from top to bottom successively filters heat radiator and heat radiation module; Ray machine comprises camera lens, optics and light source module, and camera lens and light source module are fixedly arranged on the light inlet and the bright dipping end of optics respectively, and the light source module comprises a LED lamp, the 2nd LED lamp and the 3rd LED lamp; The 2nd LED lamp and the 3rd LED lamp are oppositely arranged; The one LED lamp between the second LED lamp and the 3rd LED lamp and the bright dipping end of a LED lamp and optics be oppositely arranged, circuit board is provided with first radiator fan and several radiating fin groups, the radiating fin group evenly distributes around ray machine.

As preferably, sidewall is evenly distributed with thermovent around the housing, and the front end of housing has the through hole with the camera lens coupling.

As preferably, filter on the heat radiator and have several equally distributed louvres.

As preferably, the heat radiation module comprises a framework, and the framework middle part is provided with second radiator fan, and second radiator fan is fixedly connected with framework through support bar.

As preferably, optics comprises and comprises a DMD that DMD is positioned at the end of optics near the camera lens place stepped.

Compared with prior art, the advantage of the utility model is: adopt LED as light emitting source, and energy-conserving and environment-protective, failure rate is low, and consumables cost is low, long service life, reasonably radiator structure has effectively improved the radiating efficiency of light source module.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the mechanical-optical setup synoptic diagram of the utility model.

Among the figure: 11, housing; 12, thermovent; 13, through hole; 2, circuit board; 31, optics; 32, camera lens; 33, light source module; 4, first radiator fan; 5, radiating fin group; 61, filter heat radiator; 62, louvre; 71, framework; 72, support bar; 73, second radiator fan; 81, a LED lamp; 82, the 2nd LED lamp; 83, the 3rd LED lamp; 84, DMD.

Embodiment

To combine accompanying drawing that the utility model is described further below.

A kind of embodiment as the utility model; Consult Fig. 1 and Fig. 2, the utility model comprises housing 11, is provided with ray machine and circuit board 2 in the housing 11; The top of housing 11 is provided with from top to bottom successively filters heat radiator 61 and heat radiation module; Ray machine comprises camera lens 32, optics 31 and light source module 33, and camera lens 32 and light source module 33 are fixedly arranged on the light inlet and the bright dipping end of optics 31 respectively, and light source module 33 comprises a LED lamp 81, the 2nd LED lamp 82 and the 3rd LED lamp 83; The 2nd LED lamp 82 and the 3rd LED lamp 83 are oppositely arranged; The one LED lamp 81 between the second LED lamp 82 and the 3rd LED lamp 83 and the bright dipping end of a LED lamp 81 and optics 31 be oppositely arranged, circuit board 2 is provided with first radiator fan 4 and several radiating fin groups 5, radiating fin group 5 evenly distributes around ray machine.Sidewall is evenly distributed with thermovent 12 around the housing 11, and the front end of housing 11 has the through hole 13 with camera lens 32 couplings.Filter on the heat radiator 61 and have several equally distributed louvres 62.The heat radiation module comprises a framework 71, and framework 71 middle parts are provided with second radiator fan, 73, the second radiator fans 73 and are fixedly connected with framework 71 through support bar 72.Optics 31 comprises and comprises a DMD84 that DMD84 is positioned at the end of optics 31 near camera lens 32 places stepped.

Light source module 33 comprises that a LED lamp 81, the 2nd LED lamp 82 and the 3rd LED lamp 83, the one LED lamps 81 can be green light LED, and the 2nd LED lamp 82 can be red-light LED; The 3rd LED lamp 83 can be blue-ray LED; Use in projector, green light LED, red-light LED and blue-ray LED produce heat, and because the power of green light LED and red-light LED is higher relatively; The heat that produces is also just more; Radiating fin group 5 can play good heat absorption, carries out heat transferred through first radiator fan 4, forms heat dissipation channel.The heat radiation module comprises a framework 71, and framework 71 middle parts are provided with second radiator fan, 73, the second radiator fans 73 and are fixedly connected with framework 71 through support bar 72.The unnecessary heat of radiating fin group 5 can transmit formation second heat dissipation channel through second radiator fan 73 through filtering heat radiator 61, makes the complete machine heat dispersion be effectively improved.

Although having combined current taking as is that a most practical and preferred embodiment has been described the utility model; But be to be understood that; The utility model is not limited to the disclosed embodiments, and is intended to contain spirit and interior multiple modification and the equivalent arrangements of scope that is included in accompanying claims on the contrary.

Claims

1. New LED projector; Comprise housing; Be provided with ray machine and circuit board in the said housing, it is characterized in that: the top of said housing is provided with from top to bottom successively filters heat radiator and heat radiation module, and said ray machine comprises camera lens, optics and light source module; Said camera lens and light source module are fixedly arranged on the light inlet and the bright dipping end of optics respectively; Said light source module comprises a LED lamp, the 2nd LED lamp and the 3rd LED lamp, and said the 2nd LED lamp and the 3rd LED lamp are oppositely arranged, a said LED lamp between the second LED lamp and the 3rd LED lamp and the bright dipping end of a LED lamp and optics be oppositely arranged; Said circuit board is provided with first radiator fan and several radiating fin groups, and said radiating fin group evenly distributes around ray machine.

2. New LED projector according to claim 1 is characterized in that: sidewall is evenly distributed with thermovent around the said housing, and the front end of housing has the through hole with the camera lens coupling.

3. New LED projector according to claim 1 is characterized in that: have several equally distributed louvres on the said filtration heat radiator.

4. New LED projector according to claim 1 is characterized in that: said heat radiation module comprises a framework, and said framework middle part is provided with second radiator fan, and said second radiator fan is fixedly connected with framework through support bar.

5. New LED projector according to claim 1 is characterized in that: said optics comprises and comprises a DMD that said DMD is positioned at the end of optics near the camera lens place stepped.