CN107390464B - Interior circulation radiating type projector - Google Patents
Interior circulation radiating type projector Download PDFInfo
- Publication number
- CN107390464B CN107390464B CN201710781013.0A CN201710781013A CN107390464B CN 107390464 B CN107390464 B CN 107390464B CN 201710781013 A CN201710781013 A CN 201710781013A CN 107390464 B CN107390464 B CN 107390464B
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- radiator
- fan
- area
- obturator
- region
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- 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
- G03B21/145—Housing details, e.g. position adjustments thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of interior circulation radiating type projectors, including optical component, the obturator connecting with the optical component, the internal fan for being mounted on the enclosure interior, the radiating subassembly connecting with the obturator and the external cooling fan being mounted on outside the obturator；The radiating subassembly includes heat pipe, the first radiator connecting with the heat pipe and the second radiator connecting with the heat pipe, first radiator is installed on the enclosure interior, second radiator is installed on outside the obturator, first radiator is corresponding with the internal fan, and second radiator is corresponding with the external cooling fan.Interior circulation radiating type projector of the invention is by, equipped with the airflow channel of closed circulation, playing the effect of dust and moisture in obturator；Again by setting radiating subassembly and internal fan, so that the inner air to obturator carries out cooling treatment, there is good heat dissipation effect.
Description
Technical field
The present invention relates to image projection technology fields, more particularly to a kind of interior circulation radiating type projector.
Background technique
Projector needs to radiate at work, if projector can damage in a few minutes without radiating in time, throws at present
The heat dissipation of shadow optics component mainly passes through turbofan and sucks cold air from outside, has dust inside air, is projected in work
When can suck dust, be pasted onto inside optics component, cause to launch the picture colour cast come.
Dust in order to prevent, traditional projector can install an Air Filter in the position of sucking cool exterior air, still
Air Filter cannot block all dusts, still suffer from part dust and enter projector, cause image to be launched ineffective；It is dust-proof
Net using meeting adhering dust, stops cold air to enter projector for a long time, and projector's internal temperature is caused to increase, therefore, dust-proof
Net needs replacing after a period of use, brings many troubles and cost to user, will if user does not replace Air Filter
Projector is caused to damage.Meanwhile if existing projector does not use for a long time, the moisture in air will use liquid crystal panel hair
It is uncommon, cause projector to use bad, the moisture and oil smoke that outside enters when projector works can also be such that polaroid damages.
Summary of the invention
Based on this, it is necessary to provide a kind of interior circulation radiating type projector by enclosed loop structure and play heat dissipation
Dust-proof effect.
In order to achieve the object of the present invention, the invention adopts the following technical scheme:
A kind of interior circulation radiating type projector, including optical component, the obturator connecting with the optical component, is mounted on
It the internal fan of the enclosure interior, the radiating subassembly being connect with the obturator and is mounted on outside the obturator
External cooling fan；The radiating subassembly includes the first radiator, the second radiator, connection first radiator and described the
The heat pipe of second radiator, first radiator are installed on the enclosure interior, and second radiator is installed on the envelope
Outside closure, first radiator is corresponding with the internal fan, second radiator and the external cooling fan pair
It answers, the airflow channel of circulation is equipped in the obturator, the optical component, internal fan and the first radiator are located at the gas
In circulation road.
Interior circulation radiating type projector of the invention is sealed processing to optical component by obturator, forms circulation
Airflow channel can completely cut off outside air, play the effect of dust and moisture；Again by setting radiating subassembly in obturator and interior
Portion's fan has good heat dissipation effect so that the inner air to obturator carries out cooling treatment.
The obturator is equipped with the first air inlet and the second air inlet, the internal fan in one of the embodiments,
Including the first fan and the second fan, first air inlet is corresponding with first fan, second air inlet and institute
It is corresponding to state the second fan.
The obturator is recessed groove in one of the embodiments, and the groove installs first radiator.
First radiator is equipped with ventilating duct in one of the embodiments,.
First radiator is located at backwards to the side of the internal fan in one of the embodiments,.
Second radiator is equipped with ventilating duct in one of the embodiments,.
The second radiator described in the external cooling fan face is arranged in one of the embodiments,.
A kind of interior circulation radiating type projector comprising the projection arrangement of shell and installation in the shell, the shell packet
The external top shell for including external cover board and connecting with the external cover board, the projection arrangement include optical component and the optics
The obturator of component connection, the internal fan for being mounted on the enclosure interior, the radiating subassembly that is connect with the obturator and
The external cooling fan being mounted on outside the obturator；The radiating subassembly includes the first radiator, the second radiator, connection
The heat pipe of first radiator and second radiator, first radiator is installed on the enclosure interior, described
Second radiator is installed on outside the obturator, and first radiator is corresponding with the internal fan, second heat dissipation
The setting of external cooling fan described in device face, the interior airflow channel for being equipped with circulation of the obturator, the optical component, internal wind
Fan and the first radiator are located in the airflow channel.
The obturator is equipped with the first air inlet and the second air inlet, the internal fan in one of the embodiments,
Including the first fan and the second fan, first air inlet is corresponding with first fan, second air inlet and institute
It is corresponding to state the second fan.
First radiator is located at backwards to the side of the internal fan in one of the embodiments,.
Detailed description of the invention
Fig. 1 is the schematic diagram of the interior circulation radiating type projector of a better embodiment of the invention；
Fig. 2 is the schematic internal view of the interior circulation radiating type projector of Fig. 1；
Fig. 3 is the schematic diagram of Fig. 1 projection arrangement, and wherein external cooling fan is not shown；
The projection arrangement that Fig. 4 is Fig. 3 does not place schematic diagram when radiating subassembly；
Fig. 5 is the schematic diagram of the projection arrangement of Fig. 4 turned around, and insole board omission is not shown；
Fig. 6 is the schematic diagram for being equipped with bottom plate of the projection arrangement of Fig. 5.
Drawing reference numeral:
100, interior circulation radiating type projector；
10, shell, 11, external cover board, 111, projection hole, 12, external top shell；
20, projection arrangement；
30, optical component, 31, projection lens, 32, liquid crystal panel；
40, obturator, 41, bottom plate, 42, lid, 421, first area, 422, second area,
423, third region, 424, the fourth region, 43, top plate, 44, ventilation opening, 45, first
Air inlet, the 46, second air inlet, 47, notch；
50, internal fan, the 51, first fan, the 52, second fan；
60, radiating subassembly, 61, heat pipe, the 62, first radiator, the 63, second radiator；
70, external cooling fan.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.But the present invention can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes
It is more thorough and comprehensive to the understanding of the disclosure.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Fig. 1 to Fig. 6 is please referred to, is the interior circulation radiating type projector 100 of a better embodiment of the invention, to throwing
Shadow machine carries out radiating dustproof processing.The interior circulation radiating type projector 100 includes shell 10 and the throwing being mounted in shell 10
Image device 20.The projection arrangement 20 include optical component 30, connect with the optical component 30 obturator 40, be mounted on institute
State the internal fan 50 inside obturator 40, radiating subassembly 60 and the external cooling fan being mounted on outside the obturator 40
70；Wherein, the radiating subassembly 60 include heat pipe 61, the first radiator 62 for being connect with the heat pipe 61 and with the heat pipe
Second radiator 63 of 61 connections, first radiator 62 are installed on inside obturator 40, and second radiator 63 is installed
Outside obturator 40, first radiator 62 is corresponding with the internal fan 50, second radiator 63 with it is described outer
Portion's radiator fan 70 is corresponding.The airflow channel of circulation is equipped in the obturator 40, the optical component 30 connects with airflow channel
It is logical；When heat dissipation, the cooling optical component 30 of air enters internal fan 50 after the first radiator 62, and air is logical by air-flow
Road cools down optical component 30 again, to realize internal circulation cooling；Period, the heat in air are absorbed through heat pipe 61
It is transmitted to the second radiator 63 from the first radiator 62 afterwards, processing is blowed to the second radiator 63 in external cooling fan 70,
Transfer heat to the external world.
Fig. 1 and Fig. 2 is please referred to, the shell 10 includes external cover board 11 and the external top shell connecting with external cover board 11
12；In the present embodiment, the shell 10 is arranged in rectangle, and four interior angles are equipped with arc transition；It is to be understood that described outer
Shell 10 can be arranged in other shapes, and the size of shell 10, which can accommodate, places projection arrangement 20.The external cover board
11 sides are equipped with projection hole 111, and the size dimension of the projection hole 111 is corresponding with the optical component 30, the projection hole 111
Image is outwardly projected with for optical component 30.The external cover board 11 is and described outer to place the projection arrangement 20
Portion's top shell 12 is connected and fixed the external cover board 11 by fastener, forms the space of a closure, prevent projection arrangement 20 with
Extraneous direct contact reduces by 20 damaged probability of projection arrangement；Meanwhile the external cover board 11 and the external top shell 12 are all provided with
There is multiple through-holes (figure is not marked), the stream into and out for outside air can be used, play the effect tentatively to radiate.
Fig. 3 and Fig. 4 is please referred to, the optical component 30 includes projection lens 31 and liquid crystal panel 32, the projection lens 31
One end wear the side of the lid 42, and form sealed set, outside air cannot be introduced into, the projection lens 31 it is another
One end reclines 111 side of projection hole of the external cover board 11, and the projection lens 31 is without departing from external cover board 11 outside one
Side prevents projection lens 31 to be exposed to extraneous and cause to occur to wear or damage.The liquid crystal panel 32 includes red, green, blue three pieces
Liquid crystal board, to synthesize the color of processing image.
Please refer to Fig. 3 to Fig. 6, the obturator 40 include bottom plate 41, the lid 42 being connect with bottom plate 41 and with lid 42
The top plate 43 of connection；In the present embodiment, the lid 42 be equipped with first area 421, second area 422, third region 423 and
The fourth region 424, wherein first area 421 and second area 422 are located at 42 side of lid, third region 423 and the fourth region
424 are located at backwards to 42 other side of lid of first area 421 and second area 422；The first area 421 of the lid 42 is outside
Side is equipped with opening (figure is not marked), and the size dimension of the opening is corresponding with projection lens 31, with for the placement of projection lens 31；
422 every setting between the first area 421 and second area, and is equipped with ventilation opening 44 between the two, with so that air is from first
Region 421 flows to second area 422.The second area 422 of the lid 42 is equipped with the first air inlet 45 and the second air inlet 46,
Certain interval is equipped between first air inlet 45 and the second air inlet 46；In the present embodiment, the second of the lid 42
The outside side in region 422 is set there are two notch 47, is placed to heating tube 61；The third region 423 and the fourth region 424 it
Between be spaced setting, and first area 421 is connected to third region 423 and the fourth region 424, forms a channel being connected.
Fig. 4 to fig. 6 is please referred to, the internal fan 50 includes first fan 51 and the second fan 52；Described first
Fan 51 is equipped with air inlet and air outlet, and the air inlet of first fan 51 corresponds to the of the second area 422 of the lid 42
One air inlet 45, and the air outlet of the first fan 51 corresponds to the third region 423 of lid 42；First fan 51 can guide
The flow direction of air, and certain cooling effect can be played.Second fan 52 is equipped with air inlet and air outlet, second fan
52 air inlet corresponds to the second air inlet 46 of the second area 422 of the lid 42, and the air outlet of the second fan 52 is corresponding
The fourth region 424 of lid 42；Second fan 52 can guide the flow direction of air, and can play certain cooling effect.
Referring to Fig. 3, the radiating subassembly 60 include heat pipe 61, the first radiator 62 for being connect with the heat pipe 61 and
The second radiator 63 being connect with the heat pipe 61；Wherein, first radiator 62 is installed on inside obturator 40, and described
Second radiator 63 is installed on outside obturator 40, and the heat pipe 61 connects first heat dissipation by the notch 47 of the lid 42
Device 62 and second radiator 63.
The heat pipe 61 includes evaporation ends and condensation end；Wherein, the evaporation ends of the heat pipe 61 are connected to the first radiator
62, the condensation end of heat pipe 61 is connected to the second radiator 63.The heat pipe 61 be using medium after evaporation ends evaporate
The phase transition process (utilizing the evaporation latent heat and the latent heat of condensation of liquid) that condensation end is condensed, conducts heat quickly, can
Atmospheric heat in the lid 42 is quickly exported into the external world.First radiator 62 is set to the second of the lid 42
Region 422, specifically, first radiator 61 be respectively arranged at 51 air inlet of the first fan upper end and the second fan 52 into
The upper end in air port；First radiator 61 is made of muti-piece radiating fin, which is parallel to each other, is spaced setting, and
Radiating fin is equipped with multiple through-holes, has good heat dissipation effect and air is promoted preferably to flow.Second radiator 63
It is made of muti-piece cooling fin, is parallel to each other between the cooling fin, is spaced setting.In the present embodiment, first radiator 62
Radiating fin and second radiator 63 cooling fin be in rectangle setting, and be pure copper material；It is to be understood that at it
In its embodiment, the cooling fin of the radiating fin of first radiator 62 and second radiator 63 can be in other shapes
Shape setting is also possible to other materials with good heat dissipation effect, such as fine copper, half bronze medal, half aluminium or fine silver.
Referring to Fig. 2, the external cooling fan 70 is set between the shell 10 and the projection arrangement 20；
Second radiator specifically, external cooling fan 70 reclines, and 70 the second radiator of face 63 of external cooling fan is arranged,
Outside air to be blowed to the cooling fin of the second radiator 63, transfers heat in extraneous air, accelerate the second heat dissipation
The heat dissipation effect of device 63.
In the present embodiment, the first area 421 of the lid 42, second area 422, third region 423, the fourth region
A recyclable channel is formd between 424 and the first fan 51 and the second fan 52 that connect with the lid 42, then is led to
The bottom plate 41 and top plate 43 for crossing obturator 40 carry out Seal treatment to the lid 42, ultimately form the logical of a circulation closed
Road.When carrying out radiating treatment, the air inside obturator 40 flows to second area 422 from first area 421, dissipates by first
The air intake vent that the first fan 51 and the second fan 52 are respectively enterd after hot device 62, using the first fan 51 and the second fan 52
Air outlet flows to third region 423 and the fourth region 424 respectively, and the is re-introduced into after the cooling liquid crystal panel 32 of final air
One region 421, to realize circulating for inner air；Period, the heat in air dissipate after the absorption of heat pipe 61 from first
Hot device 62 is transmitted to the second radiator 63, and processing is blowed to the second radiator 63 in external cooling fan 70, by heat transfer
To the external world, the air inside obturator 40 is made to be maintained at certain temperature.
Interior circulation radiating type projector of the invention is sealed processing to optical component by obturator, forms circulation
Airflow channel can completely cut off outside air, play the effect of dust and moisture；Again by the way that radiating subassembly and internal fan is arranged,
To which the inner air to obturator carries out cooling treatment, there is good circulation cooling effect.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of interior circulation radiating type projector, it is characterised in that: including optical component, the closing being connect with the optical component
Body, the internal fan for being mounted on the enclosure interior, the radiating subassembly connecting with the obturator and it is mounted on the closing
External cooling fan outside body；The radiating subassembly includes the first radiator, the second radiator, connection first radiator
And the heat pipe of second radiator, first radiator are installed on the enclosure interior, the second radiator installation
Outside the obturator, first radiator is corresponding with the internal fan, and second radiator and the outside dissipate
Hot-air fan is corresponding, and the airflow channel of circulation, the optical component, internal fan and the first radiator position are equipped in the obturator
In the airflow channel；The obturator includes bottom plate, the lid connecting with the bottom plate and the top connecting with the lid
Plate；The lid is equipped with first area, second area, third region and the fourth region, the first area and secondth area
Domain is located at the lid side, and the third region and the fourth region are located at the lid backwards to the first area and institute
State the side of second area；The first area and the second area interval are arranged, and are equipped with ventilation opening between the two；It is described
The outside side in first area is equipped with opening, for optical component placement；The second area is equipped with the first air inlet and the
Two air inlets；The first area is connected to the third region and the fourth region；The internal fan includes the first fan
And second fan；The air inlet of first fan corresponds to first air inlet, and the air outlet of first fan is corresponding
The third region；The air inlet of second fan corresponds to second air inlet, and the air outlet pair of second fan
Answer the fourth region；First radiator is set to institute's second area.
2. interior circulation radiating type projector according to claim 1, it is characterised in that: the heat pipe includes evaporation ends and cold
Solidifying end；Wherein, the evaporation ends of the heat pipe are connected to first radiator, and the condensation end of the heat pipe is connected to described second
Radiator.
3. interior circulation radiating type projector according to claim 1, it is characterised in that: the outside side of second area is set
Jagged, the heat pipe connects first radiator and second radiator by the notch.
4. interior circulation radiating type projector according to claim 1, it is characterised in that: first radiator is equipped with ventilation
Road.
5. interior circulation radiating type projector according to claim 1, it is characterised in that: first radiator is located at backwards
The side of the internal fan.
6. interior circulation radiating type projector according to claim 1, it is characterised in that: second radiator is equipped with ventilation
Road.
7. interior circulation radiating type projector according to claim 1, it is characterised in that: external cooling fan face institute
State the setting of the second radiator.
8. a kind of interior circulation radiating type projector, it is characterised in that: described including the projection arrangement of shell and installation in the shell
Shell includes external cover board and the external top shell that connect with the external cover board, and the projection arrangement includes optical component and institute
The obturator for stating optical component connection, the internal fan for being mounted on the enclosure interior, the heat dissipation being connect with the obturator
Component and the external cooling fan being mounted on outside the obturator；The radiating subassembly includes the first radiator, the second heat dissipation
Device, the heat pipe for connecting first radiator and second radiator, first radiator are installed in the obturator
Portion, second radiator are installed on outside the obturator, and first radiator is corresponding with the internal fan, and described
The setting of external cooling fan described in second radiator face, the interior airflow channel for being equipped with circulation of the obturator, the optical component,
Internal fan and the first radiator are located in the airflow channel；The lid that the obturator includes bottom plate, is connect with the bottom plate
Body and the top plate being connect with the lid；The lid is equipped with first area, second area, third region and the fourth region, institute
It states first area and the second area is located at the lid side, the third region and the fourth region are located at the lid
Side of the body backwards to the first area and the second area；The first area and the second area interval are arranged, and
It is equipped with ventilation opening between the two；The outside side in first area is equipped with opening, for optical component placement；Described second
Region is equipped with the first air inlet and the second air inlet；The first area is connected to the third region and the fourth region；Institute
Stating internal fan includes the first fan and the second fan；The air inlet of first fan corresponds to first air inlet, and institute
The air outlet for stating the first fan corresponds to the third region；The air inlet of second fan corresponds to second air inlet, and
The air outlet of second fan corresponds to the fourth region；First radiator is set to institute's second area.
9. interior circulation radiating type projector according to claim 8, it is characterised in that: the heat pipe includes evaporation ends and cold
Solidifying end；Wherein, the evaporation ends of the heat pipe are connected to first radiator, and the condensation end of the heat pipe is connected to described second
Radiator.
10. interior circulation radiating type projector according to claim 8, it is characterised in that: first radiator is located at back
To the side of the internal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781013.0A CN107390464B (en) | 2017-09-01 | 2017-09-01 | Interior circulation radiating type projector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710781013.0A CN107390464B (en) | 2017-09-01 | 2017-09-01 | Interior circulation radiating type projector |
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| CN107390464A CN107390464A (en) | 2017-11-24 |
| CN107390464B true CN107390464B (en) | 2019-10-18 |
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| CN201710781013.0A Active CN107390464B (en) | 2017-09-01 | 2017-09-01 | Interior circulation radiating type projector |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082991A (en) * | 2018-01-26 | 2019-08-02 | 无锡视美乐激光显示科技有限公司 | A kind of integrated projector of water proof and dust proof |
| CN110082994A (en) * | 2018-01-26 | 2019-08-02 | 无锡视美乐激光显示科技有限公司 | A kind of laser projection device |
| CN110230625B (en) * | 2018-03-06 | 2021-09-21 | 深圳光峰科技股份有限公司 | Locking device, dustproof assembly and projection equipment |
| CN109547760A (en) * | 2018-12-25 | 2019-03-29 | 深圳市锐图技术有限公司 | Projector |
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| JP2001312002A (en) * | 2000-04-28 | 2001-11-09 | Nippon Avionics Co Ltd | Liquid crystal projector |
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| JP2001312002A (en) * | 2000-04-28 | 2001-11-09 | Nippon Avionics Co Ltd | Liquid crystal projector |
| CN101217099A (en) * | 2007-12-26 | 2008-07-09 | 广东威创视讯科技股份有限公司 | A sealed internal-circulation type cooling system for the bulbs |
| CN101986198A (en) * | 2010-07-19 | 2011-03-16 | 深圳雅图数字视频技术有限公司 | LCOS projector liquid-cooling heat-removal system |
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| CN205787555U (en) * | 2015-05-26 | 2016-12-07 | 精工爱普生株式会社 | Projector |
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| Publication number | Publication date |
|---|---|
| CN107390464A (en) | 2017-11-24 |
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Inventor after: Zeng Wanjun Inventor after: Liang Zhiqiang Inventor before: Liang Zhiqiang |