CN202837785U - Micro Optical Imaging Device - Google Patents
Micro Optical Imaging Device Download PDFInfo
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- CN202837785U CN202837785U CN 201220370520 CN201220370520U CN202837785U CN 202837785 U CN202837785 U CN 202837785U CN 201220370520 CN201220370520 CN 201220370520 CN 201220370520 U CN201220370520 U CN 201220370520U CN 202837785 U CN202837785 U CN 202837785U
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- 238000012634 optical imaging Methods 0.000 title abstract 3
- 230000017525 heat dissipation Effects 0.000 claims abstract description 47
- 230000003287 optical effect Effects 0.000 claims abstract description 30
- 238000004020 luminiscence type Methods 0.000 claims description 25
- 239000012141 concentrate Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 230000035515 penetration Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 abstract description 10
- 230000008020 evaporation Effects 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 7
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000005206 flow analysis Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
The utility model provides a micro optical imaging device, which comprises an optical engine and a heat dissipation module, wherein the heat dissipation module is provided with a first heat dissipation means and a second heat dissipation means; the first heat dissipation means and the second heat dissipation means respectively comprise a first heat pipe and a second heat pipe, and the first heat pipe and the second heat pipe are mutually staggered up and down in the vertical direction and are arranged in a crossed manner. The present invention makes the heat energy of each heat source efficiently discharged through at least two heat dissipation means, and makes the space configuration and design of each element in the micro optical imaging device more flexible.
Description
Technical field
The utility model is about a kind of micro-optical device for image, especially about a kind of micro-optical device for image with radiating module.
Background technology
In the daily life, projection arrangement often is used to picture and text or image data projection are amplified on projection surface, has visual comfortableness when making the user watch, and reaches like a cork the effect of amusement.
The employed light source of projection arrangement was to make with the principle of effluve in the past, and not only power consumption and volume are large for it, are the bottlenecks in the projection arrangement design always.Therefore the luminous power of light emitting diode (LED, Light-Emitting Diode) and can reach lumen numerical value and be greatly improved in recent years but, has become main trend with light emitting diode as the light source of projection arrangement.Yet along with power and the lumen a few days of light source gradually promotes, the heat energy that produces during its running also increases thereupon, so that the temperature in the projection arrangement is obviously soaring, thus, easily affects serviceable life and the reliability of the associated electronic components in the projection arrangement; Therefore, the heat dissipation design of projection arrangement is one of key factor that affects its image quality.
See also Fig. 1, it is the structural representation of existing projection arrangement.Projection arrangement 9 has housing 91, in order to the image frame outwards optical lens 92 of projection and a plurality of electronic components (figure does not indicate) that are arranged in housing 91; Wherein, the side of housing 91 has a port 911, and is provided with a fan 93 perpendicular to the bottom surface of housing 91 in port 911 places, in order to the heat energy in the housing 91 are discharged.In addition, in traditional heat dissipation technology, more can attach a heat radiator (not indicating among the figure) in the thermal source place of projection arrangement 9 (such as the light source place, not indicating among the figure), with improving heat radiation efficiency.
Yet, electronic equipment all has the demand that meets human nature towards light, thin, short and small designer trends now, therefore projection arrangement is tending towards microminiaturization no exceptionly, in order to do being applied to the electronic products such as 3G mobile, PDA, also or become a kind of portable micro projector.Yet micro projector is narrow and small because of its inner space, rises so that its inner heat flow density is extremely acute, therefore tradition only can not satisfy now due radiating requirements with fan and heat radiator as the heat dissipation technology of heat dissipation.
Therefore, the heat dissipation design of existing micro projector is still demanded urgently improving.
The utility model content
The technical matters that the utility model mainly solves is, for the prior art above shortcomings, provides a kind of and has at least two heat pipes and this at least two heat pipe staggers up and down mutually and the micro-optical device for image of cross arrangement.
The technical scheme that its technical matters that solves the utility model adopts provides a kind of micro-optical device for image, and it comprises light engine and radiating module, and this light engine has the first thermal source and Secondary Heat Source; This radiating module comprises the first heat dissipation and the second heat dissipation, this the first heat dissipation is arranged at the adjacent place of this first thermal source, so that at least part of heat energy that this first thermal source produces is discharged via this first heat dissipation, and this second heat dissipation is arranged at the adjacent place of this Secondary Heat Source, so that at least part of heat energy that this Secondary Heat Source produces is discharged via this second heat dissipation; Wherein, this first heat dissipation and this second heat dissipation comprise respectively the first heat pipe and the second heat pipe, and this first heat pipe and this second heat pipe stagger up and down and cross arrangement mutually.
Preferably, this first heat pipe and this second heat pipe are orthogonal thereto arrangements.
Preferably, this first heat dissipation comprises this first heat pipe, the first radiating fin group and the first fan, and a first end of this first heat pipe is arranged at the adjacent place of this first thermal source, and one second end in contact of this first heat pipe is in this first radiating fin group; Wherein, this first fan will concentrate on this first radiating fin group and near heat energy discharges.
Preferably, this second heat dissipation comprises this second heat pipe, the second radiating fin group and the second fan, and a first end of this second heat pipe is arranged at the adjacent place of this Secondary Heat Source, and one second end in contact of this second heat pipe is in this second radiating fin group; Wherein, this second fan will concentrate on this second radiating fin group and near heat energy discharges.
Preferably, it is inboard that this first fan and this second fan are arranged at respectively the different surfaces of this micro-optical device for image so that concentrate on this first radiating fin group with its near heat energy and concentrate on this second radiating fin group and near heat energy that it is is discharged by the different surfaces of this micro-optical device for image respectively; Or it is inboard to be that this first fan and this second fan are arranged at respectively the similar face of this micro-optical device for image so that concentrate on this first radiating fin group with its near heat energy and concentrate on this second radiating fin group and near heat energy that it is is all discharged by the similar face of this micro-optical device for image.
Preferably, this first fan is arranged between the inboard, a bottom surface and this first radiating fin group of this micro-optical device for image, and this second fan is arranged between the inboard, a side and this second radiating fin group of this micro-optical device for image; Or be that this first fan is arranged between the inboard, a side and this first radiating fin group of this micro-optical device for image, and this second fan is arranged between this inboard, side and this second radiating fin group of this micro-optical device for image.
Preferably, this micro-optical device for image also comprises at least one air inlet, and be formed with a plurality of air flow paths between this at least one air inlet and this first fan and between this at least one air inlet and this second fan, and those air flow paths are at least by this first thermal source and this Secondary Heat Source.
Preferably, this first heat pipe passes this first radiating fin group, and this first heat pipe is positioned at a center line or its adjacent place of this first radiating fin group, and/or this second heat pipe passes this second radiating fin group, and this second heat pipe is positioned at a center line or its adjacent place of this second radiating fin group.
Preferably, at least one in this first thermal source or this Secondary Heat Source is luminescence unit or inductance.
Preferably, this micro-optical device for image is micro projector, and this light engine also has to present display element and the optical lens of an image frame; Wherein, this luminescence unit provides light source to give this display element, and this optical lens in order to throw this image frame to this projection surface, is shown on this projection surface this image frame between a projection surface and this display element.
Preferably, this micro-optical device for image is that digit optical is processed (DLP) projection arrangement, or is reflection type liquid crystal (LCOS) projection arrangement, or is penetration liquid crystal (LCD) projection arrangement; Wherein, when this micro-optical device for image is processed (DLP) projection arrangement for this digit optical, this micro-optical device for image is that the one chip digit optical is processed (DLP) projection arrangement, or be that the three-chip type digit optical is processed (DLP) projection arrangement, and this display element is digital minitype reflector (DMD) element.
Preferably, this luminescence unit comprises a light emitting diode at least.
Preferably, this luminescence unit comprises light emitting diode and the light emitting diode in order to output blue light beam of a light emitting diode in order to the output red light beam, in order to export green beam at least.
The utility model also provides a kind of micro-optical device for image, housing, the display element in order to present an image frame, a plurality of luminescence units, light engine circuit board, optical lens, a plurality of heat pipe in order to provide light source to give this display element and a plurality of fans that discharge in order to will concentrate on these a plurality of radiating fin groups and near heat energy thereof are provided for it, are provided with at least one inductance on this light engine circuit board; This optical lens in order to throw this image frame to this projection surface, is shown on this projection surface this image frame between a projection surface and this display element; In these a plurality of heat pipes a first end of each this heat pipe be arranged in these a plurality of luminescence units at least one the adjacent place or be arranged at the adjacent place of this at least one inductance, and one second end of each this heat pipe is provided with a radiating fin group; Wherein, at least two heat pipes in these a plurality of heat pipes stagger up and down and cross arrangement mutually.
Preferably, at least two heat pipes in these a plurality of heat pipes are orthogonal thereto arrangements.
Preferably, at least two fans in these a plurality of fans are arranged at the different surfaces inboard of this housing.
Preferably, these a plurality of fans comprise the first fan and the second fan, and these a plurality of radiating fin groups comprise the first radiating fin group and the second radiating fin group; Wherein, this first fan is arranged between the inboard, a bottom surface and this first radiating fin group of this housing, and this second fan is arranged between the inboard, a side and this second radiating fin group of this housing; Or be that this first fan is arranged between the inboard, a side and this first radiating fin group of this housing, and this second fan is arranged between this inboard, side and this second radiating fin group of this housing.
Preferably, this micro-optical device for image also comprises at least one air inlet, and is formed with a plurality of air flow paths between this at least one air inlet and this a plurality of fans, and those air flow paths are at least by these a plurality of luminescence units and this at least one inductance.
Preferably, at least one heat pipe in these a plurality of heat pipes passes this corresponding radiating fin group, and this at least one heat pipe is positioned at a center line or its adjacent place of this radiating fin group.
Preferably, this micro-optical device for image is that digit optical is processed (DLP) projection arrangement, or is reflection type liquid crystal (LCOS) projection arrangement, or is penetration liquid crystal (LCD) projection arrangement; Wherein, when this micro-optical device for image is processed (DLP) projection arrangement for this digit optical, this micro-optical device for image is that the one chip digit optical is processed (DLP) projection arrangement, or be that the three-chip type digit optical is processed (DLP) projection arrangement, and this display element is digital minitype reflector (DMD) element.
Preferably, this luminescence unit comprises a light emitting diode at least.
Preferably, this luminescence unit comprises light emitting diode and the light emitting diode in order to output blue light beam of a light emitting diode in order to the output red light beam, in order to export green beam at least.
The utility model sees through at least two heat dissipation so that the heat energy of each thermal source can efficiently discharge, and see through the angle of the angle at heat pipe and turning thereof, concentrate the place and the heat energy transfer of thermal source can be conducted to suitable heat, and since between at least two heat pipes to stagger up and down and the mode of cross arrangement arranges, so that the space configuration of each element in the micro-optical device for image and design elasticity more, and then make the micro-optical device for image more light, thin, short and small.
Description of drawings
Fig. 1: be the structural representation of existing projection arrangement.
Fig. 2: for the utility model micro-optical device for image in the structural representation of the first preferred embodiment.
Fig. 3: be the part-structure schematic diagram of micro-optical device for image shown in Figure 2.
Fig. 4: be the part-structure upward view of micro-optical device for image shown in Figure 2.
Fig. 5: for the part-structure of micro-optical device for image shown in Figure 2 and comprise the three-dimensional exploded view of loam cake.
Fig. 6: be the air flow path schematic diagram of micro-optical device for image shown in Figure 2.
Fig. 7: for the utility model micro-optical device for image in the structural representation of the second preferred embodiment.
Fig. 8: for micro-optical device for image shown in Figure 7 in the structural representation at another visual angle.
Fig. 9: be the air flow path schematic diagram of micro-optical device for image shown in Figure 7.
Embodiment
At first explanation is, the utility model micro-optical device for image is the various miniature image devices that have luminescence unit and can produce high heat flux when running of general reference, such as lighting device, supervising device etc., below will creation spirit of the present utility model be described as an example with micro projector, but not limit to application category of the present utility model with this.Wherein, micro projector can be an one chip digit optical and processes (DLP) projection arrangement, three-chip type digit optical processing (DLP) projection arrangement, a reflection type liquid crystal (LCOS) projection arrangement, or be penetration liquid crystal (LCD) projection arrangement, the shadow casting technique of the above-mentioned various projection arrangements of thought should be those of ordinary skills should be known, therefore namely no longer given unnecessary details at this.
See also Fig. 2 ~ Fig. 6, Fig. 2 is the utility model micro-optical device for image in the structural representation of the first preferred embodiment (for the inner structure of clearer signal micro-optical device for image, therefore do not show the loam cake of housing among Fig. 2, and the loam cake of housing shows in Fig. 5 in addition), Fig. 3 is the part-structure schematic diagram of micro-optical device for image shown in Figure 2, Fig. 4 is the part-structure upward view of micro-optical device for image shown in Figure 2, Fig. 5 is the part-structure of micro-optical device for image shown in Figure 2 and the three-dimensional exploded view that comprises loam cake, and Fig. 6 is the air flow path schematic diagram of micro-optical device for image shown in Figure 2.
Micro-optical device for image 1 comprises that housing 11(contains loam cake 115), at least a portion is positioned at the light engine 12 of housing 11 and the radiating module 13 that at least a portion is positioned at housing 11, and light engine 12 has display element 121, a plurality of luminescence unit 122, optical lens 123 and light engine circuit board 124; Wherein, display element 121 is to present image frame, and a plurality of luminescence unit 122 is in order to providing light source, and its light source that provides can be radiated on the display element 121 after via a smooth handling procedure (as closing light action and/or mixed light action); Again, optical lens 123 in order to the image frame on the display element 121 is projected to projection surface 8, is exaggerated image frame and is shown on the projection surface 8 between a projection surface 8 and display element 121; In addition, light engine circuit board 124 is to provide driving circuit that micro-optical device for image 1 can be come into operation after being switched on electric power, and has a plurality of electronic components on the light engine circuit board 124, such as inductance 1241.
In this preferred embodiment, micro-optical device for image 1 is that an one chip digit optical is processed (DLP) projection arrangement, and its display element 121 is a digital minitype reflector (DMD) element, and these a plurality of luminescence units 122 comprise light emitting diode 1222 and the light emitting diode 1223 in order to output blue light beam of a light emitting diode 1221 in order to the output red light beam, in order to export green beam.Again, arbitrary light emitting diode can be the combination of a light-emitting diode chip for backlight unit and a LED circuitboard, or is the combination of a light emitting diode and a LED circuitboard.
Again, the radiating module 13 of the utility model micro-optical device for image comprises one first heat dissipation 131 and one second heat dissipation 132 at least, the first heat dissipation 131 is to discharge in order to partial heat energy that light engine 12 the is produced air outlet 1111 by first surface 111 places of housing 11, and the second heat dissipation 132 is to discharge in order to another part heat energy that light engine 12 is produced air outlet 1121 by second surface 112 places of housing 11.
In this preferred embodiment, the side that the first surface 111 of housing 11 and second surface 112 are respectively housing 11 (for example, be a left lateral sides) and the bottom surface, and the first heat dissipation 131 comprises the first heat-conducting piece 1311, the first heat pipe 1312, the first radiating fin group 1313 and the first fan 1314; Wherein, the first heat-conducting piece 1311 is arranged to be arranged at the first thermal source of micro-optical device for image 1 (take the present embodiment as example, it is the light emitting diode list 1222 of output green beam and the light emitting diode 1223 of output blue light beam, and see also follow-up detailed description) and the first heat pipe 1312 between, and the first end with the first thermal source and the first heat pipe 1312 contacts respectively, and the second end in contact of the first heat pipe 1312 is in the first radiating fin group 1313; In addition, the first fan 1314 is that the mode of standing is arranged at first surface 111 inboards of housing 11, and all arranges with respect to the first radiating fin group 1313, and namely the first fan 1314 is between the first surface 111 and the first radiating fin group 1313 of housing 11.
Another is than fine piece of writing method (scheming not shown), any those of ordinary skills, after consulting the utility model, aobvious also can propose to comprise the first radiating fin group 1313 is changed design or the variation that is arranged at any other equalization between the first fan 1314 and the first surface 111.
Again, the first heat-conducting piece 1311 is made by the material (such as metal) of high thermal conductivity coefficient, or be to be a heat radiator, use the heat energy for the first thermal source to be conducted to the first heat-conducting piece 1311, and the first heat pipe 1312 that contacts with the first heat-conducting piece 1311 is the metal tube of a hollow and closed at both ends, and its first end and the second end are respectively an evaporation part and a condensation part.
Generally speaking, the evaporation part is to be arranged to be arranged at the higher environment of temperature, and the heat energy in this environment conducts in the first heat pipe 1312 via the evaporation part, and the hydraulic fluid in the first heat pipe 1312 flashes to gas after absorbing this heat energy, and then diffuses to the condensation part by the evaporation part, because the temperature of condensation part is relatively low, so that gas solidifies back liquid, heat energy is outwards shed by the condensation part simultaneously, and liquid then sees through capillary action and is back to the evaporation part, so finishes a heat and passes do action.Be with, the first heat pipe 1312 has the function that heat energy is conducted to the condensation part by the evaporation part, its detailed principle of work should be known for those of ordinary skills, therefore namely no longer given unnecessary details at this.
By above explanation as can be known, the heat energy that the first thermal source produces can conduct to after sequentially via the first heat-conducting piece 1311, the first heat pipe 1312 the first radiating fin group 1313 places and near, at this moment, concentrating on the first radiating fin group 1313 places and near heat energy thereof then sees through the effect of the first fan 1314 and discharges from the air outlet 1111 of the first surface 111 of housing 11.
The preferably, the first heat pipe 1312 is to pass the first radiating fin group 1313, and is positioned at a centre line L 1 or its adjacent place of the first radiating fin group 1313, the radiating efficiency that so more can accelerate the first heat dissipation 131.
Moreover in this preferred embodiment, the second heat dissipation 132 comprises the second heat-conducting piece 1321, the second heat pipe 1322, the second radiating fin group 1323, the second fan 1324 and three fan 1325; Wherein, the second heat-conducting piece 1321 is arranged to be arranged at the Secondary Heat Source of micro-optical device for image 1 (take the present embodiment as example, it is the light emitting diode 1221 of output red light beam, and see also follow-up detailed description) and the second heat pipe 1322 between, and the first end with Secondary Heat Source and the second heat pipe 1322 contacts respectively, and the second end in contact of the second heat pipe 1322 is in the second radiating fin group 1323; In addition, the second fan 1324 and three fan 1325 all are second surface 112 inboards that the mode that lies low is arranged at housing 11, and be positioned at the below of the second radiating fin group 1323, namely the second fan 1324 and three fan 1325 are between and the second radiating fin group 1323 inboard at the second surface 112 of housing 11.
Again, the second heat-conducting piece 1321 is made by the material (such as metal) of high thermal conductivity coefficient, or be to be a heat radiator, use the heat energy for Secondary Heat Source to be conducted to the second heat-conducting piece 1321, and the second heat pipe 1322 that contacts with the second heat-conducting piece 1321 also is the metal tube of a hollow and closed at both ends, and its first end and the second end are respectively an evaporation part and a condensation part; Wherein, the principle of work of the second heat pipe 1322 is same as the principle of work of the first heat pipe 1312, therefore namely no longer given unnecessary details at this.
Be with, the heat energy that Secondary Heat Source produces can conduct to after sequentially via the second heat-conducting piece 1321, the second heat pipe 1322 the second radiating fin group 1323 places and near, at this moment, concentrating on the second radiating fin group 1323 places and near heat energy thereof then sees through the effect of the second fan 1324 and three fan 1325 and discharges from the air outlet 1121 of the second surface 112 of housing 11.
The preferably, the second heat pipe 1322 passes the second radiating fin group 1323, and is positioned at a centre line L 2 or its adjacent place of the second radiating fin group 1323, the radiating efficiency that so more can accelerate the second heat dissipation 132.
What specify is, the first thermal source in the present embodiment is the light emitting diode list 1222 of output green beam and the light emitting diode 1223 of output blue light beam, and Secondary Heat Source is the light emitting diode 1221 of output red light beam; In detail, when micro-optical device for image 1 is started working, luminescence unit 122 can be synchronously or output light source respectively, and in the time of output light source, produce heat energy, particularly the light emitting diode 1222 of the light emitting diode 1221 of output red light beam and output green beam is relatively high because of its required power hungry, therefore the heat energy that produces is also just more, be with, mediating the heat energy that luminescence unit 122 produces is the primary function of radiating module.
Because electronic equipment all has towards gently now, thin, short and small principle of design development, therefore the space limited in the housing 11, and in order to make the first heat pipe 1312 can also be arranged at a centre line L 1 or its adjacent place of the first radiating fin group 1313 and to make the second heat pipe 1322 can also be arranged at a centre line L 2 or its adjacent place of the second radiating fin group 1323, the utility model particular design with the first heat pipe 1312 and the second heat pipe 1322 (for example mutually to stagger up and down, mutually stagger up and down in vertical direction), and the mode with cross arrangement arranges, so namely can effectively save the required space that occupies of the first heat dissipation and the second heat dissipation, to reach splendid radiating effect, so be important creation characteristic of the present utility model.
In addition, the thermal source of micro-optical device for image 1 may be not limited in luminescence unit 122, also may become thermal source because suitable heat appears in operation such as a plurality of inductance 1241 on the light engine circuit board 124 and display element 121, be with, according to the resulting enlightenment of above embodiment, those of ordinary skills can carry out according to practical application request the variation design of any equalization, as with inductance 1241, the heat energy of display element 121 or other thermal source is transferred through heat pipe and is conducted to the concentrated place of a plurality of suitable heat, and the different surfaces by micro-optical device for image 1 discharges again.
Moreover, in order to make micro-optical device for image 1 have better radiating efficiency, in the present embodiment, the housing 11 of micro-optical device for image 1 has a plurality of perforation in order to the air inlet 113 as micro-optical device for image 1, therefore under the start of the first fan 1314, the second fan 1324 and three fan 1325, can form a plurality of air flow paths between the air outlet 1111 at first surface 111 places of those air inlets 113 and housing 11 and between the air outlet 1121 at second surface 112 places of those air inlets 113 and housing; Wherein, by those air inlets of proper arrangement 113 and those air outlets 1111,1121 position, then can make the adjacent place of those each thermals source of air flow paths process and/or the heat that its heat energy can be transferred to concentrate the place, and then make with the past housing 11 outer discharges of the air of heat energy; The Heat Flow Analysis result that it is relevant is then shown in Fig. 6 dotted line marked position.
See also Fig. 7 ~ Fig. 9, Fig. 7 is the utility model micro-optical device for image in the structural representation of the second preferred embodiment (for the inner structure of clearer signal micro-optical device for image, therefore case top lid does not show), Fig. 8 be micro-optical device for image shown in Figure 7 in the structural representation at another visual angle, Fig. 9 is the air flow path schematic diagram of micro-optical device for image shown in Figure 7.
Wherein, the micro-optical device for image 2 of the present embodiment roughly is similar to person described in the utility model the first preferred embodiment, is namely no longer given unnecessary details at this.And the difference of this preferred embodiment and aforementioned the first preferred embodiment is, only there is single fan 2324 in the second heat dissipation 232, and fan 2324 is, and the mode of standing is arranged between 211 inboards, side and the second radiating fin group 2323 of housing 21.In addition, in response to the set-up mode of said fans 2324, the angle angle at the turning of the second heat pipe 2322 also changes to some extent, to obtain better space configuration and radiating efficiency.
Similarly, the heat energy that light emitting diode 2221 produces can conduct to after sequentially via the second heat-conducting piece 2321, the second heat pipe 2322 the second radiating fin group 2323 places and near, at this moment, concentrating on the second radiating fin group 2323 places and near heat energy thereof then sees through the effect of fan 2324 and discharges from the air outlet 2112 of the side 211 of housing 21.In this preferred embodiment, concentrate on the first radiating fin group 2313 with its near heat energy and concentrate on the second radiating fin group 2323 and all discharged by the similar face of housing 21 with near it heat energy.
In this preferred embodiment, can form a plurality of air flow paths between the air outlet 2111,2112 at first surface 211 places of air inlet 213 and housing 21 again; Wherein, by shown in the utility model, those air inlets of proper arrangement 213 and those air outlets 2111,2121 position, can make the adjacent place of those each thermals source of air flow paths process and/or the heat that its heat energy can be transferred to concentrate the place, and then make with the past housing 21 outer discharges of the air of heat energy; The Heat Flow Analysis result that it is relevant is then shown in Fig. 9 dotted line marked position.
What specify is, the first heat pipe 2312 in the present embodiment and the second heat pipe 2322 are (for example mutually to stagger up and down equally, mutually stagger up and down in vertical direction), and the mode with cross arrangement arranges, therefore also can effectively save the required space that occupies of the first heat dissipation and the second heat dissipation, thereby reach splendid radiating effect.
According to above each embodiment as can be known, the utility model sees through at least two heat dissipation so that the heat energy of each thermal source can efficiently discharge, and see through the angle of the angle at heat pipe and turning thereof, concentrate the place and the heat energy transfer of thermal source can be conducted to suitable heat, and since between at least two heat pipes to stagger up and down and the mode of cross arrangement arranges, so that the space configuration of each element in the micro-optical device for image and design elasticity more, and then make the micro-optical device for image more light, thin, short and small.
The above only is preferred embodiment of the present utility model, be not to limit claim scope of the present utility model, therefore all other do not break away from the equivalence of finishing under the spirit that the utility model discloses and changes or modify, and all should be contained in the scope of the present utility model.
Claims (22)
1. a micro-optical device for image is characterized in that, comprising:
Light engine has the first thermal source and Secondary Heat Source; And
Radiating module, comprise the first heat dissipation and the second heat dissipation, this the first heat dissipation is arranged at the adjacent place of this first thermal source, so that at least part of heat energy that this first thermal source produces is discharged via this first heat dissipation, and this second heat dissipation is arranged at the adjacent place of this Secondary Heat Source, so that at least part of heat energy that this Secondary Heat Source produces is discharged via this second heat dissipation;
Wherein, this first heat dissipation and this second heat dissipation comprise respectively the first heat pipe and the second heat pipe, and this first heat pipe and this second heat pipe stagger up and down and cross arrangement mutually.
2. micro-optical device for image as claimed in claim 1 is characterized in that, this first heat pipe and this second heat pipe are orthogonal thereto arrangements.
3. micro-optical device for image as claimed in claim 1, it is characterized in that, this first heat dissipation comprises this first heat pipe, the first radiating fin group and the first fan, and a first end of this first heat pipe is arranged at the adjacent place of this first thermal source, and one second end in contact of this first heat pipe is in this first radiating fin group; Wherein, this first fan will concentrate on this first radiating fin group and near heat energy discharges.
4. micro-optical device for image as claimed in claim 3, it is characterized in that, this second heat dissipation comprises this second heat pipe, the second radiating fin group and the second fan, and a first end of this second heat pipe is arranged at the adjacent place of this Secondary Heat Source, and one second end in contact of this second heat pipe is in this second radiating fin group; Wherein, this second fan will concentrate on this second radiating fin group and near heat energy discharges.
5. micro-optical device for image as claimed in claim 4, it is characterized in that, it is inboard that this first fan and this second fan are arranged at respectively the different surfaces of this micro-optical device for image so that concentrate on this first radiating fin group with its near heat energy and concentrate on this second radiating fin group and near heat energy that it is is discharged by the different surfaces of this micro-optical device for image respectively; Or it is inboard to be that this first fan and this second fan are arranged at respectively the similar face of this micro-optical device for image so that concentrate on this first radiating fin group with its near heat energy and concentrate on this second radiating fin group and near heat energy that it is is all discharged by the similar face of this micro-optical device for image.
6. micro-optical device for image as claimed in claim 5, it is characterized in that, this first fan is arranged between the inboard, a bottom surface and this first radiating fin group of this micro-optical device for image, and this second fan is arranged between the inboard, a side and this second radiating fin group of this micro-optical device for image; Or be that this first fan is arranged between the inboard, a side and this first radiating fin group of this micro-optical device for image, and this second fan is arranged between this inboard, side and this second radiating fin group of this micro-optical device for image.
7. micro-optical device for image as claimed in claim 4, it is characterized in that, this micro-optical device for image also comprises at least one air inlet, and be formed with a plurality of air flow paths between this at least one air inlet and this first fan and between this at least one air inlet and this second fan, and those air flow paths are at least by this first thermal source and this Secondary Heat Source.
8. micro-optical device for image as claimed in claim 4, it is characterized in that, this first heat pipe passes this first radiating fin group, and this first heat pipe is positioned at a center line or its adjacent place of this first radiating fin group, and/or this second heat pipe passes this second radiating fin group, and this second heat pipe is positioned at a center line or its adjacent place of this second radiating fin group.
9. micro-optical device for image as claimed in claim 1 is characterized in that, at least one in this first thermal source or this Secondary Heat Source is luminescence unit or inductance.
10. micro-optical device for image as claimed in claim 9 is characterized in that, this micro-optical device for image is micro projector, and this light engine also has to present display element and the optical lens of an image frame; Wherein, this luminescence unit provides light source to give this display element, and this optical lens in order to throw this image frame to this projection surface, is shown on this projection surface this image frame between a projection surface and this display element.
11. micro-optical device for image as claimed in claim 10 is characterized in that, this micro-optical device for image is digital optical process projection device, or is reflective liquid crystal projecting apparatus, or is the penetration liquid crystal projection apparatus; Wherein, when this micro-optical device for image is this digital optical process projection device, this micro-optical device for image is the one chip digital optical process projection device, or is the three-chip type digital optical process projection device, and this display element is the digital minitype reflector element.
12. micro-optical device for image as claimed in claim 9 is characterized in that this luminescence unit comprises a light emitting diode at least.
13. micro-optical device for image as claimed in claim 12, it is characterized in that, this luminescence unit comprises light emitting diode and the light emitting diode in order to output blue light beam of a light emitting diode in order to the output red light beam, in order to export green beam at least.
14. a micro-optical device for image is characterized in that, comprising:
Housing;
In order to present the display element of an image frame;
A plurality of luminescence units give this display element in order to light source to be provided;
The light engine circuit board is provided with at least one inductance on it;
Optical lens between a projection surface and this display element, in order to throw this image frame to this projection surface, is shown on this projection surface this image frame;
A plurality of heat pipes, a first end of each this heat pipe be arranged in these a plurality of luminescence units at least one the adjacent place or be arranged at the adjacent place of this at least one inductance, and one second end of each this heat pipe is provided with a radiating fin group; And
The a plurality of fans that discharge in order to will concentrate on these a plurality of radiating fin groups and near heat energy thereof;
Wherein, at least two heat pipes in these a plurality of heat pipes stagger up and down and cross arrangement mutually.
15. micro-optical device for image as claimed in claim 14 is characterized in that, at least two heat pipes in these a plurality of heat pipes are orthogonal thereto arrangements.
16. micro-optical device for image as claimed in claim 14 is characterized in that, at least two fans in these a plurality of fans are arranged at the different surfaces inboard of this housing.
17. micro-optical device for image as claimed in claim 14 is characterized in that, these a plurality of fans comprise the first fan and the second fan, and these a plurality of radiating fin groups comprise the first radiating fin group and the second radiating fin group; Wherein, this first fan is arranged between the inboard, a bottom surface and this first radiating fin group of this housing, and this second fan is arranged between the inboard, a side and this second radiating fin group of this housing; Or be that this first fan is arranged between the inboard, a side and this first radiating fin group of this housing, and this second fan is arranged between this inboard, side and this second radiating fin group of this housing.
18. micro-optical device for image as claimed in claim 14, it is characterized in that, this micro-optical device for image also comprises at least one air inlet, and be formed with a plurality of air flow paths between this at least one air inlet and this a plurality of fans, and those air flow paths are at least by these a plurality of luminescence units and this at least one inductance.
19. micro-optical device for image as claimed in claim 14 is characterized in that, at least one heat pipe in these a plurality of heat pipes passes this corresponding radiating fin group, and this at least one heat pipe is positioned at a center line or its adjacent place of this radiating fin group.
20. micro-optical device for image as claimed in claim 14 is characterized in that, this micro-optical device for image is digital optical process projection device, or is reflective liquid crystal projecting apparatus, or is the penetration liquid crystal projection apparatus; Wherein, when this micro-optical device for image is this digital optical process projection device, this micro-optical device for image is the one chip digital optical process projection device, or is the three-chip type digital optical process projection device, and this display element is the digital minitype reflector element.
21. micro-optical device for image as claimed in claim 14 is characterized in that this luminescence unit comprises a light emitting diode at least.
22. micro-optical device for image as claimed in claim 21, it is characterized in that, this luminescence unit comprises light emitting diode and the light emitting diode in order to output blue light beam of a light emitting diode in order to the output red light beam, in order to export green beam at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101212476U TWM447998U (en) | 2012-06-28 | 2012-06-28 | Mini optical image device |
| TW101212476 | 2012-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837785U true CN202837785U (en) | 2013-03-27 |
Family
ID=47949451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220370520 Expired - Fee Related CN202837785U (en) | 2012-06-28 | 2012-07-27 | Micro Optical Imaging Device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202837785U (en) |
| TW (1) | TWM447998U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105492969A (en) * | 2013-09-03 | 2016-04-13 | 索尼公司 | Light source device and image display device |
| CN107272309A (en) * | 2017-08-21 | 2017-10-20 | 青岛海信电器股份有限公司 | Laser projection device |
| CN108303837A (en) * | 2017-01-12 | 2018-07-20 | 中强光电股份有限公司 | Projection arrangement, radiating module and radiating fin group |
| CN108490723A (en) * | 2015-05-12 | 2018-09-04 | 苏州佳世达光电有限公司 | Projection arrangement |
| CN108811475A (en) * | 2018-09-07 | 2018-11-13 | 埃视森智能科技(上海)有限公司 | The heat radiation air-deflecting device of raster pattern 3D vision positioning systems |
| CN110687739A (en) * | 2019-10-31 | 2020-01-14 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN110780517A (en) * | 2019-10-31 | 2020-02-11 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN112114476A (en) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2020253167A1 (en) * | 2019-06-20 | 2020-12-24 | 青岛海信激光显示股份有限公司 | Laser projection device |
| US11079665B2 (en) | 2019-03-20 | 2021-08-03 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
| US11237468B2 (en) | 2019-06-20 | 2022-02-01 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
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| TWI627493B (en) * | 2014-10-31 | 2018-06-21 | 高準精密工業股份有限公司 | Combined optical lens and optical imaging device using the same |
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2012
- 2012-06-28 TW TW101212476U patent/TWM447998U/en not_active IP Right Cessation
- 2012-07-27 CN CN 201220370520 patent/CN202837785U/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105492969A (en) * | 2013-09-03 | 2016-04-13 | 索尼公司 | Light source device and image display device |
| CN105492969B (en) * | 2013-09-03 | 2018-03-30 | 索尼公司 | Light supply apparatus and image display device |
| CN108490723A (en) * | 2015-05-12 | 2018-09-04 | 苏州佳世达光电有限公司 | Projection arrangement |
| CN108303837B (en) * | 2017-01-12 | 2020-12-18 | 中强光电股份有限公司 | Projection device, heat dissipation module and heat dissipation fin set |
| CN108303837A (en) * | 2017-01-12 | 2018-07-20 | 中强光电股份有限公司 | Projection arrangement, radiating module and radiating fin group |
| CN107272309A (en) * | 2017-08-21 | 2017-10-20 | 青岛海信电器股份有限公司 | Laser projection device |
| CN108811475A (en) * | 2018-09-07 | 2018-11-13 | 埃视森智能科技(上海)有限公司 | The heat radiation air-deflecting device of raster pattern 3D vision positioning systems |
| CN108811475B (en) * | 2018-09-07 | 2024-04-16 | 埃视森智能科技(上海)有限公司 | Heat dissipation air ducting of grating type 3D vision positioning system |
| US11079665B2 (en) | 2019-03-20 | 2021-08-03 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
| CN112114476A (en) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN112114475A (en) * | 2019-06-20 | 2020-12-22 | 青岛海信激光显示股份有限公司 | Laser projection device |
| WO2020253167A1 (en) * | 2019-06-20 | 2020-12-24 | 青岛海信激光显示股份有限公司 | Laser projection device |
| US11237468B2 (en) | 2019-06-20 | 2022-02-01 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
| US11454871B2 (en) | 2019-06-20 | 2022-09-27 | Hisense Laser Display Co., Ltd. | Laser projection apparatus |
| CN110687739A (en) * | 2019-10-31 | 2020-01-14 | 青岛海信激光显示股份有限公司 | Laser projection device |
| CN110780517A (en) * | 2019-10-31 | 2020-02-11 | 青岛海信激光显示股份有限公司 | Laser projection device |
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| Publication number | Publication date |
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| TWM447998U (en) | 2013-03-01 |
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