CN205750251U - Micro projector - Google Patents
Micro projector Download PDFInfo
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- CN205750251U CN205750251U CN201520988613.0U CN201520988613U CN205750251U CN 205750251 U CN205750251 U CN 205750251U CN 201520988613 U CN201520988613 U CN 201520988613U CN 205750251 U CN205750251 U CN 205750251U
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- heat sink
- mainboard
- casing
- micro
- micro projector
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Abstract
This utility model provides a kind of micro projector, including casing and be housed in the mainboard in this casing and micro-lens assembly, in casing, it is close in the side of mainboard and is provided with blower fan and is placed in homonymy and first radiating subassembly opposite with the air outlet of this blower fan, opposite side in mainboard is close to and is provided with second radiating subassembly opposite with blower fan, first radiating subassembly includes being arranged on bottom of shell and with fan outlet just to the first heat sink group arranged be close to the first heat sink that mainboard is provided above, this first heat sink and the first heat sink group are arranged side by side and the first heat sink links into an integrated entity with the top heat sink being positioned at the first heat sink group top, wherein, first heat sink group includes the vertical portion vertically arranged and is integrally formed on this vertical portion and horizontally disposed multiple fin；Second radiating subassembly is vertically arranged and overall in unilateral herring-bone form.Use this structure, be conducive to improving radiating effect.
Description
Technical field
This utility model relates to a kind of micro projector.
Background technology
Projector also known as scialyscope, be a kind of can be by the equipment on image or VIDEO PROJECTION to curtain, can be by not
The same computer of interface together, VCD, DVD, BD, game machine, DV etc. are connected and play corresponding video signal.Projector is according to answering
With environment classification, it is broadly divided into following several types: 1, home theater type, 2, portable business type projector, 3, educational conference type
Projector, 4, main flow Engineering-type projector, 5, specialty theater type projector, 6, measuring projector, wherein, it is most widely used
Belonging to portable business type projector, every day, meeting was not constrained by time, place, therefore carries along with busy work
It is the most necessary for a kind of portable micro projector.
The Patent Publication of Application No. CN application number 201320204115.3 proposes a kind of micro projector, including
Casing and the mainboard chip assembly being located in casing, micro optical-mechanical assembly and heat sink, wherein, mainboard chip assembly is with half bag
Mode of enclosing is arranged with the tiling of micro optical-mechanical assembly；Heat sink includes base plate and by the upwardly extending side plate in the edge of base plate, miniature
Lighting apparatus component is sticked on the base plate of heat sink, and the side at this micro optical-mechanical assembly is provided with fin, the side plate of heat sink with
The fin of micro optical-mechanical assembly fits together.Use the set-up mode of this technical scheme, heat sink and fin not
It is beneficial to improve radiating effect.
Utility model content
Main purpose of the present utility model is to provide a kind of micro projector being conducive to improving radiating effect.
The utility model proposes a kind of micro projector, including casing and be housed in the mainboard in this casing and micro-
Type lens assembly, in described casing, is provided with blower fan and is placed in homonymy and the air outlet with this blower fan in the side of described mainboard
The first opposite radiating subassembly, the opposite side in described mainboard is provided with second radiating subassembly opposite with described blower fan, and
And, described first radiating subassembly and the second radiating subassembly are all close to described mainboard and arrange；
Described casing (1) offers and is positioned at homonymy opposite air inlet with described second radiating subassembly (8)；
In offering air outlet (17) relative to place with described fan outlet in described casing (1)；
Casing (1) main by the upper shell (11) being interlocked and lower house (12), be placed in before both rear and front end
Plate (13) and rear board (14) composition；Left and right sides symmetry in casing (1) offers first arranged along its length and opens
Mouth (15) and the second opening (16), be made up of the described air inlet of micro projector the first opening (15) being positioned at left side；Front
The right side opening of panel (13) is provided with the multiple manholes aligned, and is made up of the institute of micro projector these multiple manholes
State air outlet.
This structure, described first radiating subassembly and the second radiating subassembly is used to arrange around the both sides of described mainboard, energy
Enough heat produced by described mainboard is shed in time, is conducive to improving radiating effect, so micro projector is carried out and
Time heat radiation to guarantee its work well.
It is positioned at homonymy opposite air inlet with described second radiating subassembly by offering on the housing, outside
Air enters back in casing after can first flowing through described second radiating subassembly when entering in casing via described air inlet, is conducive to
Described second radiating subassembly is preferably dispelled the heat.
By on the housing in offering air outlet with described fan outlet relative to place, due to micro projector
Air outlet and the first radiating subassembly and fan outlet are just to setting, and the heat on the first radiating subassembly is under described fan action
Can directly drain into outside micro projector via this air outlet, it is advantageously ensured that radiating effect.
Preferably, described first radiating subassembly includes being arranged on described bottom of shell and with described fan outlet just to setting
The the first heat sink group put and be close to the first heat sink that described mainboard is provided above, this first heat sink and described first heat radiation
Plate group is arranged side by side, and described first heat sink links into an integrated entity with the top heat sink being positioned at the first heat sink group top.
Use this structure, it is possible to from the top of described mainboard and sidepiece, described mainboard is dispelled the heat, and then can be by
Heat produced by described mainboard sheds in time, is conducive to improving radiating effect.
Preferably, described first heat sink is in the vertical direction higher than described top heat sink, and both entirety are step-like
Arrange.
Use this structure, owing to both described first heat sink and top heat sink are overall in step-like setting, energy
Enough increasing heat radiation areas, are conducive to improving radiating effect.
Preferably, pacify around described micro-lens assembly in semi-surrounding mode below described mainboard at described bottom of shell
Filling a heat-conducting plate, described first heat sink group is close to this heat-conducting plate and is arranged.
Use this structure, can be preferably by heat produced by described micro-lens assembly by arranging described heat-conducting plate
Amount derives or is conducted to the first heat sink group in time, advantageously ensures that radiating effect.
Preferably, described first heat sink group includes the vertical portion vertically arranged and is integrally formed at this vertical portion
Upper and horizontally disposed multiple fin.
Use this structure, it is possible to increase the area of dissipation of described first heat sink group, be conducive to improving radiating effect.
Preferably, described second radiating subassembly is vertically arranged and overall in unilateral herring-bone form.
Use this structure, it is possible to increase the area of dissipation of described second radiating subassembly, be conducive to improving radiating effect.
Preferably, in described casing, it is additionally provided with battery, is positioned at the circuit board below this battery, described battery, circuit board
And and they just to bottom of shell be spaced setting the most successively.
Use this structure, due to described battery, circuit board and with they just to this three of bottom of shell up and down
It is spaced setting on direction successively, so can form ventilation gap between this three, conveniently circuit board and battery are dissipated
Heat.
Preferably, described mainboard is arranged around the camera lens of described micro-lens assembly in semi-surrounding mode, and is encapsulated in institute
State above micro-lens assembly.
Use this structure, owing to mainboard is encapsulated in above micro-lens assembly, make the compact conformation of micro projector,
Save space.
Accompanying drawing explanation
Fig. 1 be micro projector face oblique view；
Fig. 2 is the backsight oblique view of micro projector；
Fig. 3 is that micro projector faces oblique view under removing upper shell and battery；
Fig. 4 is micro projector left view oblique view after removing upper shell and battery；
Fig. 5 is that the micro projector right side after removing upper shell regards oblique view.
Detailed description of the invention
Referring to Fig. 1～Fig. 5, micro projector described in the utility model is described in detail.
As depicted in figs. 1 and 2, micro projector entirety is rectangle tabular, and it has a casing 1, this casing 1 mainly by
The upper shell 11 being interlocked and lower house 12, the front panel 13 being placed in both rear and front end and rear board 14 form.In casing 1
Left and right sides symmetry offer the first opening 15 and the second opening 16 arranged along its length, by be positioned at left side first
Opening 15 constitutes the air inlet of micro projector.Right side opening at front panel 13 is provided with the multiple manholes aligned, by
These multiple manholes constitute the air outlet 17 of micro projector.
As it is shown on figure 3, in casing 1 receive equipped with near front side arrange micro-lens assembly and mainboard 2 and near after
Side arrange battery 9 and circuit board 3, as it is shown in figure 5, battery 9, circuit board 3 and with they just to this three of lower house 12
It is spaced setting the most successively.Wherein, micro-lens assembly includes being positioned at casing left front and arranging along the longitudinal direction
Camera lens 4 and be arranged in rear side and the lighting apparatus component (not shown) on right side of this camera lens 4 in semi-surrounding mode, as it is shown in figure 1,
The front end of camera lens 4 is inlaid in the left side of front panel 13；Mainboard 2 is overall L-shaped and is provided with a core of intelligence Android system
Sheet, it is also arranged in rear side and the right side of camera lens 4 in semi-surrounding mode, and, mainboard 2 overall package is on aforementioned lighting apparatus component
Side, in the present embodiment, camera lens 4, lighting apparatus component and this three of mainboard 2 are packaged together and form an entirety and be arranged on lower casing
On body 12, when micro projector assembly and disassembly, they threes move as an Integral synchronous.In the lower section of mainboard 2 with
Semi-surrounding mode installs an overall L-shaped heat-conducting plate around the front side of lighting apparatus component and right side, this heat-conducting plate be copper coin or
Aluminium sheet, its entirety is perpendicular to lower house 12 and arranges, and the vertical portion of heat-conducting plate is arranged along the longitudinal direction, and its horizontal component is along left and right
Direction is arranged.
For example and without limitation, mainboard 2 generally includes a printed circuit board (PCB) and is arranged on this printed circuit board (PCB)
Microcontroller, receptor, DLP (Digital Light Procession, digital light processes) projection processor, LED drive core
Sheet and power management chip, wherein, microcontroller is the control centre of system, for the operation of control system；DLP projection process
Device realizes all of image procossing and display controls；LED drive chip comprises a complete LED and drives, it is possible to each LED
Electric current is provided；Power management chip is used for power management and the Charge Management of completion system.Description previously with regard to mainboard 2 is
Prior art, it can be appreciated that the concrete structure of mainboard 2 also can use other schemes of the prior art to realize, does not does
Repeat.
As it is shown on figure 3, the right side in mainboard 2 is provided with the blower fan 6 of one and mainboard 2 back-end aligned and is placed in together in casing 1
Side and first radiating subassembly 7 opposite with the air outlet of this blower fan 6.Blower fan 6 is the turbofan of air inlet through hollow shaft radially air-out.
First radiating subassembly 7 includes being arranged on lower house 12 and with the air outlet of aforementioned blower fan 6 just to the first heat sink group arranged
71 and be close to the first heat sink 72 that mainboard 2 is provided above, wherein, the first heat sink group 71 is close to the vertical portion of aforementioned heat-conducting plate
Setting up separately and put, it mainly includes the vertical portion vertically arranged and is integrally formed on this vertical portion and is horizontally spaced about
Multiple fin, the fin that will be located in top is defined as top heat sink；First heat sink 72 directly overlays mainboard 2
Vertically on components and parts, it is arranged side by side in the lateral direction with the first heat sink group 7, and especially, the first heat sink 72 is up and down
Higher than top heat sink on direction, both link into an integrated entity and overall in step-like setting.It addition, as shown in Figure 3 and Figure 4,
Being additionally provided with in casing 1 and be close to the second radiating subassembly 8 that the left side of mainboard 2 is arranged, this second radiating subassembly 8 entirety is in along vertically side
To the unilateral herring-bone form arranged.In the present embodiment, the first radiating subassembly 7 and the second radiating subassembly 8 are made by copper coin or aluminium sheet.
It addition, on plate 14 and other positions of casing surrounding are typically provided with video signal input interface, earphone below
Power key, volume add-substract key and the ray machine switching that interface, audio interface, USB interface, internal memory card interface are connected with primary processor
Keys etc., wherein, video signal input interface can be MI, NI, HDMI high definition input interface, can be with external computer, DVD, notes
The electronic digital products such as this computer, smart mobile phone, Set Top Box, multimedia player.USB interface can be Mini, USB interface or
Person includes a standard USB interface and a Mini USB interface, can extraneous portable hard drive, USB flash disk and mouse, keyboard etc. external
Storage device.The insertion of the TF card of the digital product such as camera, mobile phone can be facilitated by internal memory card interface, can by earphone interface
With external speaker, loudspeaker etc..
Combine said structure referring to Fig. 1～5 to describe, the cooling system of micro projector is easily described.
In micro projector work process, under the effect of blower fan 6, extraneous air is through the first opening 15 as shown in Figure 2
(composition air inlet) enters in casing 1, and a portion air flows through the second radiating subassembly 8, mainboard 2 and placed under successively
Being entered blower fan 6 by the air inlet of blower fan 6 after lighting apparatus component, another part air flows through battery 9, circuit board 3 and lower house 12
Also blower fan 6 is entered by the air inlet of blower fan 6 after ventilation gap between this three；Enter the work at blower fan 6 of the air in blower fan 6
Discharged by the air outlet of blower fan 6 under with, then flow through the first radiating subassembly 7, finally drained into by the air outlet 17 on front panel 13
Outside；It addition, by the first opening 15 enter the sub-fraction in the extraneous air in casing 1 additionally flow through battery 9, circuit board 3 with
And direct the second opening 16 the most as shown in Figure 2 drains into outside after the ventilation gap between this three of lower house 12.
Above-mentioned micro projector, first, owing to mainboard 2 is encapsulated in above micro-lens assembly, make micro projector structure
Compact, save space；Second, owing to mainboard 2, camera lens 4 and this three of lighting apparatus component are packaged together, assemble at micro projector
Or during dismounting, they threes move as an Integral synchronous, be conducive to improving dismounting convenience；3rd, battery 9, circuit board 3
And and they just to this three of lower house 12 be spaced setting the most successively, so can between this three shape
Become ventilation gap, conveniently circuit board and battery are dispelled the heat；4th, by arranging the first radiating subassembly 7 and the second heat radiation group
The major heat producing components of micro projector can be dispelled the heat by part 8 effectively, is conducive to improving radiating effect, simultaneously as
Both first heat sink 72 and top heat sink are overall in step-like setting, it is possible to increasing heat radiation area, are conducive to raising to dissipate
Thermal effect.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (8)
1. a micro projector, the mainboard (2) including casing (1) and being housed in this casing (1) and micro-lens assembly,
It is characterized in that,
In described casing (1), be provided with in the side of described mainboard (2) blower fan (6) and be placed in homonymy and with the going out of this blower fan (6)
The first radiating subassembly (7) that air port is opposite, the opposite side in described mainboard (2) is provided with opposite with described blower fan (6)
Two radiating subassemblies (8), and, described first radiating subassembly (7) and the second radiating subassembly (8) are all close to described mainboard (2) and set
Put；
Described casing (1) offers and is positioned at homonymy opposite air inlet with described second radiating subassembly (8)；
In offering air outlet (17) relative to place with described fan outlet in described casing (1)；
Casing (1) is mainly by the upper shell (11) being interlocked and lower house (12), the front panel being placed in both rear and front end
(13) form with rear board (14)；Left and right sides symmetry in casing (1) offers the first opening arranged along its length
(15) and the second opening (16), is made up of the described air inlet of micro projector the first opening (15) being positioned at left side；Above
The right side opening of plate (13) is provided with the multiple manholes aligned, and is made up of described in micro projector these multiple manholes
Air outlet.
Micro projector the most according to claim 1, it is characterised in that described first radiating subassembly (7) includes being arranged on
Described bottom of shell and with described fan outlet just to the first heat sink group (71) arranged be close to above described mainboard (2)
The first heat sink (72) arranged, this first heat sink (72) is arranged side by side with described first heat sink group (71), and described
First heat sink (72) and the top heat sink being positioned at the first heat sink group (71) top link into an integrated entity.
Micro projector the most according to claim 2, it is characterised in that described first heat sink (72) is in the vertical direction
Higher than described top heat sink, both entirety are step-like setting.
Micro projector the most according to claim 2, it is characterised in that in described casing (1) bottom in described mainboard (2)
Lower section installs a heat-conducting plate in semi-surrounding mode around described micro-lens assembly, and described first heat sink group (71) is close to this
Heat-conducting plate is arranged.
Micro projector the most according to claim 2, it is characterised in that described first heat sink group (71) includes along vertically
Direction arrange vertical portion and be integrally formed on this vertical portion and horizontally disposed multiple fin.
Micro projector the most according to claim 1, it is characterised in that described second radiating subassembly (8) is vertically
Arrange and overall in unilateral herring-bone form.
Micro projector the most according to claim 1, it is characterised in that be additionally provided with in described casing (1) battery (9),
Be positioned at this battery (9) lower section circuit board (3), described battery (9), circuit board (3) and with they just to bottom of shell exist
Setting it is spaced successively on above-below direction.
Micro projector the most according to claim 1, it is characterised in that described mainboard (2) in semi-surrounding mode around institute
The camera lens (4) stating micro-lens assembly is arranged, and is encapsulated in above described micro-lens assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520988613.0U CN205750251U (en) | 2015-12-02 | 2015-12-02 | Micro projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520988613.0U CN205750251U (en) | 2015-12-02 | 2015-12-02 | Micro projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205750251U true CN205750251U (en) | 2016-11-30 |
Family
ID=57388990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520988613.0U Active CN205750251U (en) | 2015-12-02 | 2015-12-02 | Micro projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205750251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290203A (en) * | 2018-12-06 | 2020-06-16 | 中强光电股份有限公司 | Projection device |
-
2015
- 2015-12-02 CN CN201520988613.0U patent/CN205750251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290203A (en) * | 2018-12-06 | 2020-06-16 | 中强光电股份有限公司 | Projection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190705 Granted publication date: 20161130 |
|
| PP01 | Preservation of patent right |