CN106597784B - Fluorescent wheel heat dissipation device for optical machine module - Google Patents
Fluorescent wheel heat dissipation device for optical machine module Download PDFInfo
- Publication number
- CN106597784B CN106597784B CN201710040960.4A CN201710040960A CN106597784B CN 106597784 B CN106597784 B CN 106597784B CN 201710040960 A CN201710040960 A CN 201710040960A CN 106597784 B CN106597784 B CN 106597784B
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- China
- Prior art keywords
- heat dissipation
- shell
- fluorescent wheel
- heat
- fluorescent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 87
- 230000003287 optical effect Effects 0.000 title claims abstract description 14
- 239000000843 powder Substances 0.000 claims description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001816 cooling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/2006—Lamp housings characterised by the light source
- G03B21/2033—LED or laser light sources
- G03B21/204—LED or laser light sources using secondary light emission, e.g. luminescence or fluorescence
Abstract
The invention discloses a fluorescent wheel heat dissipation device for an optical-mechanical module, wherein the optical-mechanical module comprises a first shell and an optical module, the optical module comprises a third shell, a fluorescent wheel fixing support and a fluorescent wheel, and the optical-mechanical module also comprises a fluorescent wheel heat dissipation device; the fluorescent wheel heat dissipation device comprises a second shell, a fourth shell, a flow guide plate, a heat dissipation fan and a heat radiator, wherein the fourth shell and the flow guide plate are arranged on the second shell, the fourth shell is partially overlapped with the fluorescent wheel, the flow guide plate is fixed on the second shell, the heat dissipation fan is fixed on the second shell, the heat radiator comprises a first heat dissipation fin group, a heat conduction piece and a second heat dissipation fin group, the first heat dissipation fin group is connected with the heat conduction piece, and the heat conduction piece is connected with the second heat dissipation fin group. The fluorescent wheel heat dissipation device for the optical-mechanical module is manufactured by adopting the technical scheme. The device provides the fluorescent wheel heat dissipation device which occupies a small space, improves the heat dissipation efficiency of the fluorescent wheel, and provides convenience for replacing the fluorescent wheel.
Description
Technical Field
The invention relates to the field of projectors, in particular to a fluorescent wheel heat dissipation device for an optical-mechanical module.
Background
The fluorescent wheel is an important device of the projector and consists of fluorescent powder, a disc and a motor. The fluorescent powder is fixed on the edge of a disc by a certain process, the disc is arranged on a motor spindle, and the disc rotates at a high speed when the disc works.
The fluorescent powder can excite monochromatic light into other colors according to certain efficiency, but the excitation efficiency is low, and simultaneously, a large amount of heat is generated and is retained on the fluorescent powder, so that the fluorescent wheel becomes the most main heat source. The temperature is an important factor influencing the excitation efficiency and the service life of the fluorescent powder, so that the control of the temperature of the fluorescent wheel is particularly important. In general, the fluorescent wheel is disposed in a sealed space for dust prevention, which makes heat dissipation of the fluorescent wheel difficult.
The temperature also affects the service life of the motor, the heat consumption generated by the motor during working is far less than that of the fluorescent wheel, and the motor shell is generally connected with the disc, so the temperature of the motor is mainly affected by the fluorescent wheel, and the temperature of the motor can be greatly reduced by controlling the temperature of the fluorescent wheel.
The existing fluorescent wheel heat dissipation technology has the problems of low heat dissipation efficiency of a heat dissipation device, large volume of the heat dissipation device, inconvenience in replacement of the fluorescent wheel and the like.
Disclosure of Invention
In order to solve the problems of low heat dissipation efficiency of a heat dissipation device, large volume of the heat dissipation device, inconvenience in replacement of a fluorescent wheel and the like in the existing fluorescent wheel heat dissipation technology, the invention provides the fluorescent wheel heat dissipation device for the optical machine module.
The invention relates to a fluorescent wheel heat dissipation device for an optical-mechanical module, wherein the optical-mechanical module comprises a first shell and an optical module, the optical module comprises a third shell, a fluorescent wheel fixing support and a fluorescent wheel, the third shell is internally provided with the fluorescent wheel fixing support, the fluorescent wheel fixing support is provided with the fluorescent wheel, the fluorescent wheel comprises fluorescent powder, a disc and a motor, the fluorescent powder is fixed on the edge of the disc, the disc is connected with the motor, and the optical-mechanical module further comprises the fluorescent wheel heat dissipation device;
the fluorescent wheel radiating device comprises a second shell, a fourth shell, a guide plate, a radiating fan and a radiator, wherein the fourth shell and the guide plate are arranged on the second shell, the fourth shell is partially overlapped with the fluorescent wheel, the guide plate is fixed on the second shell, the radiating fan is fixed on the second shell, the radiator comprises a first radiating fin group, a heat conducting piece and a second radiating fin group, the first radiating fin group is connected with the heat conducting piece, and the heat conducting piece is connected with the second radiating fin group.
In the above scheme, the first casing, the second casing and the fourth casing form a first closed space.
In the above scheme, the second casing and the fourth casing form a second enclosed space.
In the above aspect, the fluorescent wheel is disposed in the first enclosed space and the second enclosed space.
In the above scheme, the heat radiation fan is provided with the air outlet.
In the above scheme, the heat conducting member is a heat pipe or a high-heat-conductivity structural member.
In the above scheme, the heat radiation fan and the heat radiator are arranged at the same side of the fluorescent wheel.
In the above scheme, the fluorescent wheel heat sink is used for a reflective or transmissive fluorescent wheel.
In the above scheme, the heat dissipation fan and the radiator face the side where the fluorescent powder is located.
The invention has the advantages and beneficial effects that: the invention provides a fluorescent wheel heat dissipation device for an optical-mechanical module. The device provides the fluorescent wheel heat dissipation device which occupies a small space, improves the heat dissipation efficiency of the fluorescent wheel, and provides convenience for replacing the fluorescent wheel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an opto-mechanical module according to the present invention;
FIG. 2 is a schematic diagram of an optical module;
fig. 3 is a schematic structural diagram of a fluorescent wheel heat sink.
In the figure: 100. the optical-mechanical module 110, the first casing 120, the fluorescent wheel heat sink 130, the optical module 131, the third casing 131a, the second enclosed space 132, the fluorescent wheel fixing bracket 150, the fluorescent wheel 151, the fluorescent powder 152, the disc 153, the motor 121, the second casing 121a, the first enclosed space 122, the fourth casing 122a, the fluorescent wheel rotating area 123, the guide plate 124, the heat dissipation fan 124a, the air outlet 140, the heat sink 141, the first heat dissipation fin group 142, the heat conducting member 143, the second heat dissipation fin group a, the air outlet direction B, the heat dissipation airflow
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, fig. 2, and fig. 3, the present invention is a fluorescent wheel heat dissipation device for an optical-mechanical module, the optical-mechanical module 100 includes a first housing 110 and an optical module 130, the optical module 130 includes a third housing 131, a fluorescent wheel fixing bracket 132 and a fluorescent wheel 150, the fluorescent wheel fixing bracket 132 is disposed in the third housing 131, the fluorescent wheel fixing bracket 132 is provided with the fluorescent wheel 150, the fluorescent wheel 150 includes a fluorescent powder 151, a disc 152 and a motor 153, the fluorescent powder 151 is fixed on an edge of the disc 152, the disc 152 is connected to the motor 153, and the optical-mechanical module 100 further includes a fluorescent wheel heat dissipation device 120;
the fluorescent wheel heat dissipation device 120 includes a second housing 121, a fourth housing 122, a flow guide plate 123, a heat dissipation fan 124 and a heat sink 140, the second housing 121 is provided with the fourth housing 122 and the flow guide plate 123, the fourth housing 122 is partially overlapped with the fluorescent wheel 150, the flow guide plate 123 is fixed on the second housing 121, the heat dissipation fan 124 is fixed on the second housing 121, the heat sink 140 includes a first heat dissipation fin set 141, a heat conduction member 142 and a second heat dissipation fin set 143, the first heat dissipation fin set 141 is connected with the heat conduction member 142, and the heat conduction member 142 is connected with the second heat dissipation fin set 143.
The second housing 121 is fixed to the third housing 131; the fourth housing 122 is fixed to the second housing 121; the first housing 110 is fixed to the second housing 121. The first casing 110, the second casing 121, and the fourth casing 122 form a first closed space 121a; the second casing 121, the third casing 131, and the fourth casing 122 form a second closed space 131a.
The baffle 123, the cooling fan 124 and the first cooling fin group 141 are disposed in the first enclosed space 121a, and the baffle 123 divides the first enclosed space 121a into an annular space; the heat dissipation fan 124 is installed between the fluorescent wheel 150 and the heat sink 140, and the outlet of the heat dissipation fan 124 overlaps the fluorescent wheel disc 152; the first heat sink fin set 141 is disposed in the first enclosed space 121a, and the second heat sink fin set 143 is disposed outside the first enclosed space 121a;
the heat conducting member 142 is a heat pipe or a high thermal conductivity structure. The heat dissipation fan 124 and the heat sink 140 are disposed on the same side of the fluorescent wheel 150, and face the side where the phosphor 151 is located.
The luminescent wheel 150 is disposed in the first sealed space 121a and the second sealed space 131a; the fluorescent wheel 150 can be conveniently replaced after the first shell 110 and the fourth shell 122 are disassembled; the fluorescent wheel rotating area 122a communicates the first enclosed space 121a and the second enclosed space 131a.
The fluorescent wheel 150 comprises fluorescent powder 151, a disc 152 and a motor 153, and the fluorescent wheel 150 of the present invention includes a reflective type and a transmissive type. The luminescent wheel 150 is attached to the third casing 131 via the luminescent wheel fixing bracket 132, and the luminescent wheel 150 is disposed in the first sealed space 121a and the second sealed space 131a. Removal of the first housing 110 and the fourth housing 122 may facilitate replacement of the fluorescent wheel 150. The first enclosed space 121a and the second enclosed space 131a are communicated by the fluorescent wheel rotating area 122a, the fluorescent wheel rotating area 122a is the space occupied by the fluorescent wheel 150 when rotating at high speed, the size of the space is determined by the rotation safety of the fluorescent wheel 150, and the factors to be considered are: fluorescent wheel 150 dimensions, disc 152 manufacturing tolerances and motor 153 axial float tolerances.
The heat sink 140 includes a first set of heat dissipating fins 141, a heat conducting member 142, and a second set of heat dissipating fins 143; the first heat dissipating fin group 141 is fixed on the second housing and disposed in the first enclosed space; the heat conducting member 142 connects the first fin group 141 and the second fin group 143, and the heat conducting member 142 may be a heat pipe or other high thermal conductivity structure; the second heat sink fin set 143 is disposed outside the first enclosed space 121 a.
The baffle 123 and the heat dissipation fan 124 are disposed in the first enclosed space 121a, and are respectively mounted on the second housing 121; the baffle 123 divides the first enclosed space 121a into an annular space; the heat dissipation fan 124 has an air outlet 124a.
Along the air outlet direction a of the heat dissipating fan 124, the air outlet 124a of the heat dissipating fan 124 overlaps with the fluorescent wheel 150; the heat dissipation fan 124 and the heat sink 140 are installed on the same side of the fluorescent wheel 150, and the path of the heat dissipation air flow B does not need to be designed around the fluorescent wheel 150, i.e. the fluorescent wheel does not need to be in the middle of the circulating heat dissipation air flow B, so the fluorescent wheel heat dissipation device 120 can be reduced in size, and the shapes of the second housing 121 and the third housing 131 are merely examples.
The fluorescent wheel 150 has a front surface (the surface where the phosphor 151 is located) and a back surface, and the heat dissipation fan 124 and the heat sink 140 face the surface where the phosphor 151 is located, i.e., the front surface, and the heat dissipation airflow B can directly contact and cool the phosphor 151, thereby improving the cooling efficiency.
The heat dissipation airflow B in the first enclosed space 121a flows through the fluorescent wheel 150, the flow guide plate 123 and the first heat dissipation fin set 141 (the flow sequence is not unique), and then enters the heat dissipation fan 124, so as to form a circulating flow in the first enclosed space 121a; the heat dissipation airflow B exchanges a small part of the airflow with the second enclosed space 131a in the fluorescent wheel rotation area 122a, so that the size of the fluorescent wheel rotation area 122a is reduced, the airflow exchange can be reduced, and the cooling efficiency of the fluorescent wheel 150 is improved.
The heat dissipation airflow B blown by the heat dissipation fan 124 carries out heat convection with the high-temperature fluorescent wheel 150, and the heat is transferred to the first heat dissipation fin group 141 by the heat dissipation airflow B, so that the heat is carried out heat convection with the first heat dissipation fin group 141; according to the design and the installation position of the heat sink 140, the heat dissipation airflow B and the first heat dissipation fin group 141 can perform one or more times of convective heat transfer, which is illustrated in fig. 3 of the present invention as two times of convective heat transfer, that is, the heat dissipation airflow B performs one time of convective heat transfer before and after turning around the heat sink 140, so as to improve the heat transfer efficiency; the heat absorbed by the first set of heat dissipation fins 141 is conducted to the second set of heat dissipation fins 143 by the heat conducting member 142, and the second set of heat dissipation fins 143 are cooled in an external environment by some heat dissipation method; finally, the heat dissipation airflow B enters the heat dissipation fan 124 to form a circulation heat dissipation, so as to achieve the purpose of cooling the fluorescent wheel 150.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (7)
1. A fluorescent wheel heat dissipation device for an optical machine module comprises a first shell and the optical module, wherein the optical module comprises a third shell, a fluorescent wheel fixing support and a fluorescent wheel, the fluorescent wheel fixing support is arranged in the third shell, the fluorescent wheel is arranged on the fluorescent wheel fixing support, the fluorescent wheel comprises fluorescent powder, a disc and a motor, the fluorescent powder is fixed on the edge of the disc, and the disc is connected with the motor;
the fluorescent wheel heat dissipation device comprises a second shell, a fourth shell, a flow guide plate, a heat dissipation fan and a heat dissipation device, wherein the second shell is provided with the fourth shell and the flow guide plate, the fourth shell is partially overlapped with the fluorescent wheel, the flow guide plate is fixed on the second shell, the heat dissipation fan is fixed on the second shell, the heat dissipation device comprises a first heat dissipation fin group, a heat conduction piece and a second heat dissipation fin group, the first heat dissipation fin group is connected with the heat conduction piece, and the heat conduction piece is connected with the second heat dissipation fin group;
the second shell is fixed on the third shell; the fourth shell is fixed on the second shell; the first shell is fixed on the second shell, and the first shell, the second shell and the fourth shell form a first closed space; the second casing, the third casing and the fourth casing form a second closed space.
2. The light engine module as claimed in claim 1, wherein the light engine is disposed in the first and second enclosed spaces.
3. The light engine module as claimed in claim 2, wherein the heat dissipation fan has an air outlet.
4. The light engine module as claimed in any one of claims 1 to 3, wherein the heat conducting member is a heat pipe or a high thermal conductivity structure.
5. The fluorescence wheel heat sink for opto-mechanical module of claim 4, wherein the heat dissipation fan and the heat sink are disposed on the same side of the fluorescence wheel.
6. The light engine module as claimed in claim 1, wherein the light engine module is used for a reflective or transmissive light engine.
7. The light engine module as claimed in claim 5, wherein the heat dissipation fan and the heat sink face a side where the phosphor is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040960.4A CN106597784B (en) | 2017-01-17 | 2017-01-17 | Fluorescent wheel heat dissipation device for optical machine module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710040960.4A CN106597784B (en) | 2017-01-17 | 2017-01-17 | Fluorescent wheel heat dissipation device for optical machine module |
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| Publication Number | Publication Date |
|---|---|
| CN106597784A CN106597784A (en) | 2017-04-26 |
| CN106597784B true CN106597784B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710040960.4A Expired - Fee Related CN106597784B (en) | 2017-01-17 | 2017-01-17 | Fluorescent wheel heat dissipation device for optical machine module |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107608168B (en) * | 2017-10-18 | 2020-10-23 | 广景视睿科技（深圳）有限公司 | Color wheel module |
| CN108561854A (en) * | 2018-03-29 | 2018-09-21 | 苏州天脉导热科技股份有限公司 | Compact fluorescent colour wheel radiator |
| CN113934090B (en) * | 2019-01-23 | 2023-05-12 | 中强光电股份有限公司 | Radiating module and projection device |
| CN109976074A (en) * | 2019-04-11 | 2019-07-05 | 上海大恒光学精密机械有限公司 | The fluorescent powder wheel apparatus of high efficiency and heat radiation |
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| WO2015166553A1 (en) * | 2014-04-30 | 2015-11-05 | Ｎｅｃディスプレイソリューションズ株式会社 | Structure for cooling illuminating optical system, and projection display apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007316319A (en) * | 2006-05-25 | 2007-12-06 | Funai Electric Co Ltd | Projector |
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2017
- 2017-01-17 CN CN201710040960.4A patent/CN106597784B/en not_active Expired - Fee Related
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| JP2006113276A (en) * | 2004-10-14 | 2006-04-27 | Plus Vision Corp | Modular color wheel device |
| JP2014092599A (en) * | 2012-11-01 | 2014-05-19 | Panasonic Corp | Optical conversion device and projection display device including optical conversion device |
| CN203365896U (en) * | 2013-07-24 | 2013-12-25 | 台达电子工业股份有限公司 | Optical assembly applied to laser projector |
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| CN106597784A (en) | 2017-04-26 |
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