CN107463056A - Closed projection light machine and apply its projection arrangement - Google Patents
Closed projection light machine and apply its projection arrangement Download PDFInfo
- Publication number
- CN107463056A CN107463056A CN201710816679.5A CN201710816679A CN107463056A CN 107463056 A CN107463056 A CN 107463056A CN 201710816679 A CN201710816679 A CN 201710816679A CN 107463056 A CN107463056 A CN 107463056A
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- Prior art keywords
- air
- centrifugal blower
- opening
- ray machine
- chamber
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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
- G03B21/145—Housing details, e.g. position adjustments thereof
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of closed projection light machine and applies its projection arrangement.Closed projection light machine includes ray machine housing and centrifugal blower.Ray machine housing includes the first opening, the second opening, air intake runner and multiple chambers, one end of air intake runner is communicated in the first opening, the other end of air intake runner is communicated in one of multiple chambers, and the wherein another of multiple chambers is communicated in the second opening, and air-flow communicates between multiple chambers.Centrifugal blower is removably installed on ray machine housing, centrifugal blower includes air inlet and air outlet, air inlet is connected with the second closure of openings and air-flow communicates, and air outlet is connected with the first closure of openings and air-flow communicates, and the airflow direction through air inlet is different from the airflow direction through air outlet.When centrifugal blower operates, air-flow enters multiple chambers through air intake runner from the air outlet of centrifugal blower and is recycled to the air inlet of centrifugal blower, to force thermal convection current in generation in projection light machine.
Description
Technical field
The present invention relates to field of projection display, more particularly to a kind of closed projection light machine and applies the closed projection
The projection arrangement of ray machine.
Background technology
DLP (digital light processing) laser projection device often emphasizes air hermetic mechanical-optical setup to reach dust-proof effect at present,
Prevent dust from influenceing brightness performance.Because conventional external radiating countermeasure can not meet the air hermetic of laser projection machine under high lumen
Ray machine radiating requirements, existing high lumen machine can design internal-circulation type cooling system to improve outside dissipate for ray machine regional area
The deficiency of heat.
In the prior art, general internal-circulation type radiator structure can configure radiator fan to produce pressure pair inside ray machine
Stream, fan body are coated on inside ray machine, and wire rod is pulled out ray machine by wire hole and sealed using soft materials such as foam, patches.
Because fan is to be coated on inside, the first device fan of palpus on assembling procedure, then ray machine casing is locked, change fan demand when having
When, it can not carry out immediacy replacing because need to first take ray machine casing apart.In addition, fan wire rod and foam, patch all belong to soft material
Matter, the sealing and relative position of outlet are different because of indivedual man-made assembly gimmicks, and tolerance can not standardize, so as to ensure to reach
Into completely airtight requirement.
The content of the invention
Based on above-mentioned technical problem, it is an object of the present invention to provide one kind effectively to be dissipated to ray machine inner loop formula
Heat, and can improve the projection of ray machine air-tightness and the closed projection light machine for safeguarding convenience and the application closed projection light machine
Device.
The closed projection light machine of the present invention includes ray machine housing and centrifugal blower.Ray machine housing includes the first opening, the
Two openings, air intake runner and multiple chambers, one end of air intake runner are communicated in the first opening, and the other end of air intake runner is communicated in
One of multiple chambers, the wherein another of multiple chambers are communicated in the second opening, and air-flow communicates between multiple chambers.From
Heart blower fan is removably installed on ray machine housing, and centrifugal blower includes air inlet and air outlet, and air inlet and the second opening are sealed
Close connection and air-flow communicates, air outlet is connected with the first closure of openings and air-flow communicates, and the airflow direction through air inlet is different from
Airflow direction through air outlet.Wherein, when centrifugal blower operates, air-flow enters from the air outlet of centrifugal blower through air intake runner
Multiple chambers and the air inlet for being recycled to centrifugal blower, in producing forced convertion in ray machine housing.
It is preferred that closed projection light machine also includes heater element, multiple chambers include first chamber and second chamber, the
One chamber is to set heater element, and first chamber is in close proximity to the other end of air intake runner, and second chamber is in close proximity to the second opening.
Further, first chamber and second chamber are non-conterminous.
It is preferred that the airflow direction through air inlet is perpendicular to the airflow direction through air outlet.
It is preferred that having first partition in ray machine housing, first partition is arranged between air intake runner and multiple chambers.
It is preferred that the ray machine housing includes the first outer surface and the second outer surface, first opening is arranged at this outside first
Surface, second opening are arranged at second outer surface, and first outer surface and second outer surface are enclosed and set to form accommodation space,
The centrifugal blower is arranged at the accommodation space.
It is preferred that the first opening and the second opening are respectively arranged at the surface of ray machine housing, the first opening and the second opening
Communicated with ray machine enclosure interior air-flow, centrifugal blower is installed on the outside of ray machine housing, and centrifugal blower and ray machine housing are closed
Connection coordinates.
It is preferred that the air inlet side of centrifugal blower is tightly engaged into by lock solid structure and ray machine housing.
Further, centrifugal blower back to air inlet side is provided with blower fan electric connection line, and blower fan electric connection line is located at light
The outside of casing body.
It is preferred that centrifugal blower is single side air inlet type vortex flow fan.
The projection arrangement of the present invention includes closed projection light machine as described above.
Compared with prior art, the present invention is eliminated for wrapping using centrifugal blower in itself as a part for ray machine housing
Cover the ray machine shell of former radiator fan, visual centrifugal blower is that ray machine external member is dismounted in assembling, due to centrifugal blower by
It is external member that ray machine inner member, which changes, and the outlet of blower fan electric connection line is reached outside ray machine without in ray machine housing design outlet
Mouthful, also without the demand using soft cement.Designed more than, the present invention can be simple on the premise of ray machine air-tightness is maintained
Change traditional external connection radiating device complexity, improve the bad problem of air-tightness caused by the heat dissipation element outlets such as fan possibility, and energy
Complete thermal convection current circulation is effectively produced inside ray machine.
Brief description of the drawings
Fig. 1 is the structural representation of the closed projection light machine of one embodiment of the invention.
Fig. 2 is the scheme of installation of the closed projection light machine of one embodiment of the invention.
Embodiment
To make to have further understanding to the purpose of the present invention, construction, feature and its function, hereby coordinate embodiment detailed
It is described as follows.
Fig. 1 is referred to, Fig. 1 is the structural representation of the closed projection light machine 100 of one embodiment of the invention.Closed throwing
Shadow ray machine 100 includes ray machine housing 1 and centrifugal blower 2.
Ray machine housing 1 includes first the 11, second opening 12 of opening, air intake runner 13 and multiple chambers 14, air intake runner 13
One end be communicated in the first opening 11, the other end of air intake runner 13 is communicated in one of multiple chambers 14 (such as the first chamber
Room 141), wherein another (such as second chamber 142) of multiple chambers 14 is communicated in the second opening 12, gas between multiple chambers 14
Stream communicates.By taking Fig. 1 as an example, ray machine housing 1 includes five chambers from left to right, but the present invention is not limited thereto.It is real one
Apply in example, multiple chambers 14 include first chamber 141 and second chamber 142, and first chamber 141 is setting the heating in ray machine
Element 3, first chamber 141 are in close proximity to the other end of air intake runner 13, and second chamber 142 is in close proximity to the second opening 12.Preferably,
First chamber 141 and second chamber 142 are non-conterminous, can so make that airflow circulating path is longer, and radiating effect is preferable；Such as Fig. 1 institutes
In the embodiment shown, two chambers are separated by between first chamber 141 and second chamber 142, but the present invention is not limited thereto.
Centrifugal blower 2 is removably installed on ray machine housing 1, and centrifugal blower 2 includes air inlet 21 and air outlet 22, enters
Air port 21 communicates with the closing connection of the second opening 12 and air-flow, and air outlet 22 communicates with the closing connection of the first opening 11 and air-flow,
Airflow direction X through air inlet 21 is different from the airflow direction Y through air outlet 22.In one embodiment, the gas through air inlet 21
Direction X is flowed perpendicular to the airflow direction Y through air outlet 22, but the present invention is not limited thereto.Preferably, centrifugal blower 2 is single
Face air intake type vortex flow fan.
Wherein, when centrifugal blower 2 operates, the air outlet 22 of air-flow from centrifugal blower 2 is multiple through the entrance of air intake runner 13
Chamber 14 and the air inlet 21 for being recycled to centrifugal blower 2, to force thermal convection current in generation in projection light machine 100.Such as Fig. 1 institutes
Show, the inside different chamber of ray machine housing 1 still suffers from air-flow and communicates place, using the operating of centrifugal blower 2, makes away from ray machine thermal source
Cold airflow, via fan induced draught mouth, force to pump to thermal source by air channel, produce forced convertion circulation.
Continuing with referring to Fig. 1, in one embodiment, there is first partition 15 in ray machine housing 1, first partition 15 is arranged at
Between air intake runner 13 and multiple chambers 14.In actual applications, there can also be at least one second partition in ray machine housing 1
16, second partition 16 is arranged between the adjacent chamber of multiple chambers 14.Preferably, the first opening 11 and the difference of the second opening 12
The surface of ray machine housing 1 is arranged at, the first opening 11 and the second opening 12 communicate with the internal gas flow of ray machine housing 1, i.e. first opens
Mouth 11 connects the inside and outside of ray machine housings 1, and the second opening 12 connects the inside and outside of ray machine housings 1, and centrifugal blower 2 is pacified
Outside loaded on ray machine housing 1, and centrifugal blower 2 coordinates with the airtight connection of ray machine housing 1.
Fig. 2 is referred to, Fig. 2 is the scheme of installation of the closed projection light machine 100 of one embodiment of the invention.Centrifugal blower
2 side of air inlet 21 is tightly engaged into by lock solid structure 23 and ray machine housing 1.Preferably, centrifugal blower 2 back to air inlet
21 sides are provided with blower fan electric connection line 24, and blower fan electric connection line 24 is located at the outside of ray machine housing 1.In one embodiment, ray machine
Housing parts coordinate centrifugal blower external form to do particular design, form the opening surface for possessing corresponding inlet and outlet；Ray machine housing is opened
Mouth face is combined with centrifugal blower, forms the mechanical-optical setup of full air hermetic.Specifically, as shown in Fig. 2 ray machine housing 1 includes the
One outer surface and the second outer surface, the first opening 11 are arranged at first outer surface, and the second opening 12 is arranged at second face, should
First outer surface and second outer surface, which are enclosed, to be set to form accommodation space, and centrifugal blower 2 is arranged at the accommodation space.Preferably, should
First face is not limited perpendicular to second face.
The projection arrangement of the present invention includes the closed projection light machine of any embodiment as described above.Projection arrangement can be
Table viewer, Portable projector or embedded projector；Preferably, projection arrangement is laser projection, as DLP laser is thrown
Image device, but the present invention is not limited thereto.The projection arrangement of the present invention can have higher heat dispersion and dust tightness simultaneously
Energy.
The present invention will be changed to external member by new optical structure design for the centrifugal blower of radiating by ray machine inner member,
It is all the characteristic of rigid material using centrifugal blower and ray machine housing in structure, can connects via screw locking together in fixed bit
Put, realize the normalization in terms of assembling, and reduce structure number of packages and sequence simultaneously, so as to reduce assembling tolerance, fan is torn open
Fill difficulty and optic-mechanical design cost etc..
The present invention carries out structural improvement for closed ray machine, in the external centrifugal blower of ray machine hull outside, utilizes centrifugation
There is blower fan the air intake vent of different directions (such as 90 degree) and air outlet to set characteristic, and establish recycle stream using ray machine internal partition
Road.Simultaneously as the present invention the outlet of blower fan electric connection line be located at outside ray machine, without additionally using it is soft engage material ensure
Closed ray machine is airtight, avoid because wire rod and it is soft engagement material between be bonded it is bad cause ray machine air-tightness is bad to ask
Topic, need not also undertake with soft materials such as foam, patches as the trust sex chromosome mosaicism separated present in the space of ray machine inside and outside.
The present invention is described by above-mentioned related embodiment, but above-described embodiment is only the example for implementing the present invention.
It must be noted that the embodiment disclosed is not limiting as the scope of the present invention.On the contrary, do not depart from the present invention spirit and
In the range of the change and retouching made, belong to the scope of patent protection of the present invention.
Claims (10)
- A kind of 1. closed projection light machine, it is characterised in that including：Ray machine housing, including the first opening, the second opening, air intake runner and multiple chambers, one end of the air intake runner are communicated in First opening, the other end of the air intake runner are communicated in one of the plurality of chamber, the plurality of chamber it is wherein another One is communicated in second opening, and air-flow communicates between the plurality of chamber；AndCentrifugal blower, it is removably installed on the ray machine housing, the centrifugal blower includes air inlet and air outlet, the air inlet Be connected with second closure of openings and air-flow communicate, the air outlet is connected with first closure of openings and air-flow communicates, warp this enter The airflow direction in air port is different from the airflow direction through the air outlet；Wherein, when the centrifugal blower operates, air-flow enters the plurality of from the air outlet of the centrifugal blower through the air intake runner Chamber and the air inlet for being recycled to the centrifugal blower, in producing forced convertion in the ray machine housing.
- 2. closed projection light machine as claimed in claim 1, it is characterised in that also include including heater element, the plurality of chamber First chamber and second chamber, for the first chamber to set the heater element, the first chamber is in close proximity to the air intake runner The other end, the second chamber are in close proximity to second opening.
- 3. closed projection light machine as claimed in claim 2, it is characterised in that the first chamber and the second chamber not phase It is adjacent.
- 4. closed projection light machine as claimed in claim 1, it is characterised in that the airflow direction through the air inlet is perpendicular to warp The airflow direction of the air outlet.
- 5. closed projection light machine as claimed in claim 1, it is characterised in that there is first partition in the ray machine housing, should First partition is arranged between the air intake runner and the plurality of chamber.
- 6. closed projection light machine as claimed in claim 1, it is characterised in that the ray machine housing includes the first outer surface and the Two outer surfaces, first opening are arranged at first outer surface, and second opening is arranged at second outer surface, first appearance Face and second outer surface, which are enclosed, to be set to form accommodation space, and the centrifugal blower is arranged at the accommodation space.
- 7. closed projection light machine as claimed in claim 1, it is characterised in that first opening and second opening are set respectively The surface of the ray machine housing is placed in, first opening and second opening communicate with the ray machine enclosure interior air-flow, the centrifugation wind Machine is installed on the outside of the ray machine housing, and the centrifugal blower coordinates with the ray machine housing airtight connection.
- 8. closed projection light machine as claimed in claim 1, it is characterised in that the air inlet side of the centrifugal blower passes through lock Fixing structure is tightly engaged into the ray machine housing, and the centrifugal blower is provided with blower fan electric connection line, the wind back to the air inlet side Mechatronics line is located at the outside of the ray machine housing.
- 9. closed projection light machine as claimed in claim 1, it is characterised in that the centrifugal blower is that single side air inlet type is vortexed wind Fan.
- 10. a kind of projection arrangement, it is characterised in that including closed projection light machine as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710816679.5A CN107463056A (en) | 2017-09-12 | 2017-09-12 | Closed projection light machine and apply its projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710816679.5A CN107463056A (en) | 2017-09-12 | 2017-09-12 | Closed projection light machine and apply its projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107463056A true CN107463056A (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710816679.5A Pending CN107463056A (en) | 2017-09-12 | 2017-09-12 | Closed projection light machine and apply its projection arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107463056A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666964A (en) * | 2008-09-01 | 2010-03-10 | 鸿富锦精密工业（深圳）有限公司 | Projector |
| CN101762954A (en) * | 2008-11-07 | 2010-06-30 | 三洋电机株式会社 | Projector apparatus |
| 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 |
| CN103513501A (en) * | 2012-06-25 | 2014-01-15 | 索尼公司 | Video display device and cooling system |
| CN104267566A (en) * | 2014-08-15 | 2015-01-07 | 广东威创视讯科技股份有限公司 | Air cooling heat dissipation device of projector |
-
2017
- 2017-09-12 CN CN201710816679.5A patent/CN107463056A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666964A (en) * | 2008-09-01 | 2010-03-10 | 鸿富锦精密工业（深圳）有限公司 | Projector |
| CN101762954A (en) * | 2008-11-07 | 2010-06-30 | 三洋电机株式会社 | Projector apparatus |
| CN103513501A (en) * | 2012-06-25 | 2014-01-15 | 索尼公司 | Video display device and cooling system |
| 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 |
| CN104267566A (en) * | 2014-08-15 | 2015-01-07 | 广东威创视讯科技股份有限公司 | Air cooling heat dissipation device of projector |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171212 |