CN101848628A - Electronic device - Google Patents
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- CN101848628A CN101848628A CN201010122371A CN201010122371A CN101848628A CN 101848628 A CN101848628 A CN 101848628A CN 201010122371 A CN201010122371 A CN 201010122371A CN 201010122371 A CN201010122371 A CN 201010122371A CN 101848628 A CN101848628 A CN 101848628A
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Abstract
The invention provides an electronic device comprising a shell, a light source module, a blower fan and a printed circuit board, wherein a first air inlet and an air outlet are formed on the shell, the first air inlet is used for flowing in a first airflow, the air outlet is used for flowing out a second airflow, the light source module is arranged in the shell, the blower fan is arranged in the shell and comprises an outer wall, a fan airflow inlet and a fan airflow outlet, the printed circuit board is arranged in the shell, a heating subassembly is arranged on the printed circuit board, a first flow passage is formed between an outer wall and the printed circuit board, and the heating subassembly is positioned on the first flow passage. When the electronic device is cooled, the first airflow enters the fan airflow inlet through the first flow passage; after the airflow transmitted by the fan airflow outlet is used for cooling the light source module, the airflow flows out of the shell from the air outlet. The electronic device can supply better cooling efficiency and can effectively reduce the temperature of a body system to satisfy the safety or the comfort level of a user on operation.
Description
Technical field
The present invention is relevant for electronic installation, for example relevant for projection arrangement; And especially relevant for the arrangement of cooling system in the projection arrangement.
Background technology
Projection arrangement extends to home-use even personal portable market by enterprise with produce market in recent years.And portable product is used, and except the volume of projection arrangement is the main subject under discussion, other subject under discussion as cooling system, also is the target that each manufacturer makes great efforts improvement.
Present prior art, miniature (or claiming Portable) projection arrangement only uses fin and heat insulation material mostly, and the air layer in the collocation body carries out heat insulation or the internal body thermal source is uniformly distributed on the casing as far as possible, to reach the effect of its heat radiation.Other form is also arranged, for example use the system of axial-flow type (axial type) fan to dispel the heat.Because the increase that the heat energy that the lifting of projector's projection brightness can make body produce is directly proportional, be subject to above-mentioned known cooling mechanism, if want in the application of minitype projection machine, to improve projection brightness, for example high to 50 lumens (Lm), then certainly will exist the bottleneck that is difficult to overcome.
Therefore, having really on the market need be more microminiaturized and improve the projection arrangement or the module of projection brightness, and has the cooling system with its collocation.
Summary of the invention
Main purpose of the present invention is to provide a kind of electronic installation of high projection brightness, and the effective temperature of cooler system of the cooling system of its collocation, to satisfy the user in operational fail safe or comfort level.
Above-mentioned purpose of the present invention is reached by following framework.
In detail, electronic installation comprises housing, light source module, blowing-type fan and printed circuit board (PCB).Housing forms first air intake vent and air outlet, and this first air intake vent flows into for first air-flow, and this air outlet flows out for second air-flow.Light source module is placed in this housing.The blowing-type fan is placed in this housing, and this blowing-type fan has outer wall, fan airstream import, fan airstream outlet.Printed circuit board (PCB) is placed in this housing, at least one heat generating component of tool on this printed circuit board (PCB), and this outer wall and this printed circuit board (PCB) form first flow, and this heat generating component is positioned on this first flow.Wherein, when this electronic installation dispelled the heat, this first air-flow entered this fan airstream import through this first flow, by the outlet of this fan airstream send air-flow to this light source module heat radiation after, flow out this housing by this air outlet.
According to an embodiment, wherein this housing has front side, the rear side relative with this front side, the left side that is connected with this front side and right side, second air intake vent, this front side is provided with camera lens and this air outlet, this right side is provided with this first air intake vent, this left side is provided with this second air intake vent, and this outer wall and printed circuit board (PCB) form second runner, and when this electronic installation dispelled the heat, the 3rd air-flow entered this fan airstream import through this second runner.
According to another embodiment, this electronic installation more comprises battery module, and wherein, this housing has the 3rd air intake vent, and it is arranged at rear side, and when this electronic installation dispelled the heat, the 4th air-flow entered this fan airstream import by the 3rd air intake vent battery module of flowing through.
According to another embodiment, wherein this blowing-type fan is arranged between this light source module and this battery module, and the 3rd air intake vent is a memory card slot.
According to another embodiment, wherein flow into the airflow direction and the airflow direction that flows out this air stream outlet, rough one-tenth vertical relation of this airflow inlet.According to an embodiment wherein, this electronic installation only has single blowing-type fan.According to an embodiment wherein, this electronic installation is a projector.According to an embodiment wherein, this light source module comprises first kind light source and the first corresponding radiator at least.
By the present invention, can provide better cooling efficiency, the effective temperature of cooler system, to satisfy the user in operational fail safe or comfort level.
Description of drawings
Fig. 1 is the top view of the electronic installation of one embodiment of the invention;
Fig. 2 is the profile of A-A profile position among Fig. 1 embodiment;
Fig. 3 is the flow situation of the schematic perspective view and the air-flow of one embodiment of the invention.
Embodiment
For making purpose of the present invention, structure, feature and function thereof are had further understanding, the below will further specify each specific embodiment of the present invention in conjunction with the accompanying drawings.Though the present invention combines specific embodiment and describes, be to be understood that the present invention can have multiple mode to implement, and be not limited only to disclosed specific embodiment here; Specific embodiment provided by the invention makes the present invention openly more fully with complete, and makes that those skilled in the art can scope on top of of the present invention.
The embodiment of electronic installation of the present invention then is used for image information is projected to the surface if apply to projection arrangement, and for the content popular or projection of individual's reading institute, this projection arrangement can constitute the projector of individualism (standalone).But the embodiment of electronic installation of the present invention is as limit, also can be used for the electronic installation such as camera, mobile phone, portable computer with projecting function.
As Fig. 1 and Fig. 2, Fig. 1 is the top view of the electronic installation of the embodiment of the invention, and Fig. 2 is the profile of A-A profile position among Fig. 1 embodiment.Except other known assembly or future can fertile add-on assembles, this electronic installation 10 comprises: housing 101, light source module 131, blowing-type fan (blower) 141, printed circuit board (PCB) 151.Housing 101 forms first air intake vent 103 and air outlet 109, and this first air intake vent 103 flows into for first air-flow 123, and this air outlet 109 flows out for second air-flow 129.This light source module 131 is placed in this housing 101; This blowing-type fan 141 is placed in this housing 101, and this blowing-type fan 141 has outer wall 143, fan airstream import 145, fan airstream outlet 147; This printed circuit board (PCB) 151 is placed in this housing 101, and has heat generating component 165, and this outer wall 143 forms first flow 161 with this printed circuit board (PCB) 151, and this heat generating component is positioned on this first flow 161.Wherein, when this electronic installation 10 dispelled the heat, first air-flow 123 entered this fan airstream import 145 through this first flow 161, send 131 heat radiations of 121 pairs of these light source modules of air-flow by this fan airstream outlet 147 after, flow out these housings 101 by this air outlet 109.
According to an embodiment wherein, 10 of electronic installations have single blowing-type fan 141.For example, flow into the airflow direction (vertical downward direction among Fig. 2) and the airflow direction (direction of second air-flow 129 among Fig. 1) that flows out this air stream outlet 147, rough one-tenth vertical relation of this airflow inlet 145.According to an embodiment wherein, electronic installation 10 is a projector.
Under the framework of Fig. 1 embodiment, in some embodiment, light source module 131 comprises first kind light source (for example led light source) and the first corresponding radiator 131HS, behind 121 pairs first radiator heat-dissipations of air-flow, flows out this housing 101 by this air outlet 109.The first radiator 131HS of demonstration is arranged among Fig. 1, but clear for picture, omit among the figure and do not illustrate first kind light source.
Fig. 2 mainly discloses the relation of blowing-type fan and adjacent assemblies, and formed air-flow.Fig. 1 and Fig. 2 demonstration of arranging in pairs or groups, this housing 101 have front side 111, the rear side 117 relative with this front side 111, left side 113 and the right side 115 that is connected with this front side 111.This front side 111 is provided with camera lens (not shown) and this air outlet 109, and this right side 115 is provided with this first air intake vent 103, and this left side 113 is provided with this second air intake vent 105, and this outer wall 143 forms second runner 163 with printed circuit board (PCB) 151.When this electronic installation 10 dispelled the heat, the 3rd air-flow 125 entered this fan airstream import 145 through this second runner 163.
In a preferred embodiment, the outer wall 143 of contiguous this fan airstream import 145 forms runner 161,163 with the heating face of printed circuit board (PCB) 151 167, wherein should have heat generating component 165 on the heating face 167, heat generating component may be control chip, resistance, inductance or the like, not as restriction.
According to an embodiment wherein, electronic installation of the present invention more comprises battery module 171, and wherein, this housing 101 has the 3rd air intake vent 107, is arranged at rear side 117.When this electronic installation 10 dispelled the heat, the 4th air-flow 127 entered this fan airstream import 145 by the 3rd air intake vent 107 battery module 171 of flowing through.
According to an embodiment wherein, this blowing-type fan 141 is arranged between this light source module 123 and this battery module 171, and the 3rd air intake vent 107 is the slot of memory card.As shown in Figure 1.
According to an embodiment wherein, the surface of this printed circuit board (PCB) 151 and this outer wall 143 form these first flows 161, and should the surface towards this fan airstream import 145.As shown in Figure 2.
According to an embodiment wherein, flow into the airflow direction (vertical downward direction among Fig. 2) and the airflow direction (direction of second air-flow 129 among Fig. 1 that flows out this air stream outlet 147 of this airflow inlet 145, among Fig. 2 perpendicular to the direction of paper), rough one-tenth vertical relation.
Fig. 3 discloses schematic perspective view of the present invention, the flow direction of first air-flow 123, the 3rd air-flow 125, the 4th air-flow 127, air-flow 121 and second air-flow 129 particularly, can understand by this, because the arrangement of above-mentioned each assembly among the present invention, attainable cost invention provides better cooling efficiency, the effective temperature of cooler system, to satisfy the purpose of user in operational fail safe or comfort level.
In other words, essence spirit of the present invention is that arrangement of components that printed circuit board (PCB) is maybe needed to cool off is in the air inlet place of blowing-type fan, via the cold air of openings in enclosure outside is introduced, make cold air flow through needing the assembly of cooling, with its heat along flowing to the air inlet place band of blowing-type fan from (please join Fig. 1 and Fig. 2) by air.In addition, by the blowing-type fan will be colder the drainage of air stream to the lighting apparatus component that needs heat radiation, and see through this air stream with the thermal source band of internal body to body, (seeing also Fig. 3).
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.On the contrary, change of being done and retouching without departing from the spirit and scope of the present invention all belongs to scope of patent protection of the present invention.
Claims (10)
1. electronic installation is characterized in that comprising:
Housing, it forms first air intake vent and air outlet, and this first air intake vent flows into for first air-flow, and this air outlet flows out for second air-flow;
Light source module is placed in this housing; And
The blowing-type fan is placed in this housing, and this blowing-type fan has outer wall, fan airstream import, fan airstream outlet;
Printed circuit board (PCB) is placed in this housing, has heat generating component on this printed circuit board (PCB), and this outer wall and this printed circuit board (PCB) form first flow, and this heat generating component is positioned on this first flow;
Wherein, when this electronic installation dispelled the heat, this first air-flow entered this fan airstream import through this first flow, by the outlet of this fan airstream send air-flow to this light source module heat radiation after, flow out this housing by this air outlet.
2. electronic installation as claimed in claim 1, it is characterized in that: this housing has front side, the rear side relative with this front side, the left side that is connected with this front side and right side, second air intake vent, this front side is provided with camera lens and this air outlet, this right side is provided with this first air intake vent, this left side is provided with this second air intake vent, and this outer wall and this printed circuit board (PCB) form second runner, and when this electronic installation dispelled the heat, the 3rd air-flow entered this fan airstream import through this second runner.
3. electronic installation as claimed in claim 2, it is characterized in that more comprising battery module, this housing has the 3rd air intake vent, and it is arranged at rear side, when this electronic installation dispelled the heat, the 4th air-flow entered this fan airstream import by the 3rd air intake vent battery module of flowing through.
4. electronic installation as claimed in claim 3 is characterized in that: this blowing-type fan is arranged between this light source module and this battery module, and the 3rd air intake vent is the memory card slot.
5. electronic installation as claimed in claim 1 is characterized in that: the surface of this printed circuit board (PCB) and this outer wall form this first flow, and should the surface towards this fan airstream import.
6. electronic installation as claimed in claim 1 is characterized in that: the airflow direction that flows into this fan airstream import becomes vertical relation with the airflow direction that flows out this fan airstream outlet.
7. electronic installation as claimed in claim 1 is characterized in that more comprising battery module, and this blowing-type fan is arranged between this light source module and this battery module.
8. electronic installation as claimed in claim 1 is characterized in that: this electronic installation only has single blowing-type fan.
9. electronic installation as claimed in claim 1 is characterized in that: this electronic installation is a projector.
10. electronic installation as claimed in claim 1 is characterized in that: this light source module comprises first kind light source and the first corresponding radiator at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010122371A CN101848628A (en) | 2010-02-12 | 2010-02-12 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010122371A CN101848628A (en) | 2010-02-12 | 2010-02-12 | Electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101848628A true CN101848628A (en) | 2010-09-29 |
Family
ID=42773033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010122371A Pending CN101848628A (en) | 2010-02-12 | 2010-02-12 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101848628A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017076337A1 (en) * | 2015-11-04 | 2017-05-11 | 深圳市光峰光电技术有限公司 | Compact dustproof heat dissipation device and projection device |
| CN111148401A (en) * | 2018-11-05 | 2020-05-12 | 建准电机工业股份有限公司 | Hand-held electronic device |
| CN111182763A (en) * | 2018-11-13 | 2020-05-19 | 英业达科技有限公司 | Electronic device |
-
2010
- 2010-02-12 CN CN201010122371A patent/CN101848628A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017076337A1 (en) * | 2015-11-04 | 2017-05-11 | 深圳市光峰光电技术有限公司 | Compact dustproof heat dissipation device and projection device |
| CN111148401A (en) * | 2018-11-05 | 2020-05-12 | 建准电机工业股份有限公司 | Hand-held electronic device |
| CN111148401B (en) * | 2018-11-05 | 2021-11-02 | 建准电机工业股份有限公司 | Hand-held electronic device |
| CN111182763A (en) * | 2018-11-13 | 2020-05-19 | 英业达科技有限公司 | Electronic device |
| CN111182763B (en) * | 2018-11-13 | 2021-10-19 | 英业达科技有限公司 | Electronic device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100929 |