CN104483808A - Air exhaust fan gear light structure and projector - Google Patents
Air exhaust fan gear light structure and projector Download PDFInfo
- Publication number
- CN104483808A CN104483808A CN201410614460.3A CN201410614460A CN104483808A CN 104483808 A CN104483808 A CN 104483808A CN 201410614460 A CN201410614460 A CN 201410614460A CN 104483808 A CN104483808 A CN 104483808A
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- CN
- China
- Prior art keywords
- stator
- flabellum
- clockwise
- counterclockwise
- mounting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—Multi-stage pumps
- F04D19/024—Multi-stage pumps with contrarotating parts
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/007—Axial-flow pumps multistage fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an air exhaust fan gear light structure. The air exhaust fan gear light structure comprises an upper air exhaust fan assembly and a lower air exhaust fan assembly of which fan blade rotation directions are opposite, the upper air exhaust fan assembly and the lower air exhaust fan assembly respectively comprise an upper fan blade, a lower fan blade, an upper support, a lower support, an upper stator and a lower stator, wherein the upper support and the lower support are provided with mounting holes of the fan blades, the mounting holes are used for mounting the upper fan blade and the lower fan blade, the upper support and the lower support are fixedly connected, a gap is formed between the upper fan blade and the lower fan blade, top ends of the upper stator and the lower stator mutually contact and are in coaxial insulation fixing connection, the upper surface of the upper support is fixed with the tail end of the upper stator through an upper fixing nut, the lower surface of the lower support is fixed with the tail end of the lower stator through a lower fixing nut, and the upper fixing nut and the lower fixing nut are respectively connected with an anode or a cathode of a driving power source. The air exhaust fan gear light structure can prevent light leakage of an air outlet of a projector while the direction of a cool air flow in the projector is not influenced, and has smaller noise.
Description
Technical field
The invention belongs to field of projector, relate to a kind of vent fan gear photo structure and projector.
Background technology
Along with the progress of society, the understanding of people to projector is more and more deep, also more and more higher to the requirement of projector, such as his noise, sharpness, contrast etc., projector also has a problem comparing contradiction in fact, that is exactly his heat radiation and light tight problem, projector is a luminescence and all very strong machine that generates heat, and light and heat amount mainly sends from bulb there, heat can by being taken out of with fans drive cross-ventilation, but the light of projector can spill in the exit of wind, current main frame prevents light from spilling by the mode of construction package, but can flow out inside projector gas and bring a lot of resistance, the problem of light leak generally all can be there is in present projector in order to well dispel the heat, be difficult to avoid, if stop light to spill with construction package by force, there are enough cooling draughts in the voltage Cai Nengshi projector that must add big fan, can make shorten the serviceable life of fan like this, noise becomes large, and waste electric energy.
Summary of the invention
Technical matters to be solved by this invention provides a kind of structure preventing light leak, and not only can not increase the resistance of wind, and Hui Shi projector internal air stream obtains faster, and noise is lower.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A kind of vent fan gear photo structure, comprise the contrary upper vent fan assembly of two flabellum sense of rotation and lower vent fan assembly, it comprises respectively: upper flabellum and lower flabellum, upper bracket and lower carriage and upper stator and lower stator, upper bracket and lower carriage are provided with flabellum mounting hole, install flabellum and lower flabellum respectively, upper bracket and lower carriage are fixed together; Wherein, between described upper flabellum and lower flabellum, there is gap, and upper stator contacts with each other with the top of lower stator and the fixing coaxial that insulate is connected; The upper surface of upper bracket is fixed by the end of hold-down nut on one and upper stator, the lower surface of lower carriage is fixed by the end of once hold-down nut and lower stator, further, upper hold-down nut is connected with driving power positive pole or negative pole respectively with lower hold-down nut.
Further, preferably, the flabellum of described upper vent fan assembly is a clockwise flabellum turned clockwise, the flabellum of described lower vent fan assembly is a counterclockwise flabellum be rotated counterclockwise, described upper stator is a clockwise stator turned clockwise, and described lower stator is a counterclockwise pin stator be rotated counterclockwise.
Further, preferably, described clockwise stator is installed on described clockwise flabellum, and to be coordinated with clockwise flabellum by the axle of clockwise stator and be rotatably connected; The center of described upper bracket has upper mounting hole, and upper mounting hole coordinates with the axle on clockwise stator and is rotatably connected, and the lower surface of upper mounting hole and the upper surface of clockwise flabellum are fitted and slidably linked together.
Further, preferably, described counterclockwise stator is installed on described counterclockwise flabellum, and to be coordinated with counterclockwise flabellum by the axle of counterclockwise stator and be rotatably connected; The center of described lower carriage has lower mounting hole, and lower mounting hole coordinates with the axle on counterclockwise stator and is rotatably connected, and the lower surface of lower mounting hole and the lower surface of counterclockwise flabellum are fitted and slidably linked together.
Further, preferably, fixed nut is installed on above the screw thread of the axle of stator, and described lower hold-down nut is installed on above the screw thread of the axle of lower stator, and is fixed together respectively.
Further, preferably, the positive pole of described driving power is connected with upper hold-down nut, and negative pole is connected with lower hold-down nut, and is powered to stator coil by the axle of stator, and upper stator and lower stator are connected by circuit connected in series or are connected in parallel.
Further, preferably, the upper mounting hole of described upper bracket is identical with the size of lower mounting hole, and perforate relatively links together, together with the lower surface of upper bracket also fits tightly with the upper surface of lower carriage.
A kind of projector, has above vent fan gear photo structure.
After this invention takes above scheme, projector's air outlet light leak can be prevented when not affecting projector's internal cooling air-flow and moving towards, and make the quantity of flabellum add one times due to twayblade fan, monolithic fan leaf is stressed less, fan operationally air-flow is more stable, and noise is less.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail, to make above-mentioned advantage of the present invention definitely.Wherein,
Fig. 1 is the structural representation of vent fan gear photo structure of the present invention;
Fig. 2 is the explosive view of vent fan gear photo structure of the present invention;
Fig. 3 is the sectional view of vent fan gear photo structure of the present invention;
Fig. 4 is the schematic perspective view of vent fan gear photo structure of the present invention.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical matters whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
As shown in Fig. 1 and 2,3, described vent fan gear photo structure, comprise the contrary upper vent fan assembly of two flabellum sense of rotation and lower vent fan assembly, two assemblies are superimposed mutually.
Wherein, both comprise respectively: upper flabellum 3 and lower flabellum 6, upper bracket 2 and lower carriage 7 and upper stator 4 and lower stator 5, upper bracket and lower carriage are provided with flabellum mounting hole and support, and install flabellum and lower flabellum in flabellum mounting hole respectively, and upper bracket and lower carriage are fixed together, wherein, the upper mounting hole of described upper bracket is identical with the size of lower mounting hole, and cooperates together, together with the lower surface of upper bracket also fits tightly with the upper surface of lower carriage.
Wherein, there is gap between described upper flabellum and lower flabellum, can not mutually disturb during rotation; And upper stator contacts with each other with the top of lower stator and the fixing coaxial that insulate is connected, and, the upper surface of upper bracket is fixed with the end of upper stator by hold-down nut 1 on, the lower surface of lower carriage is fixed with the end of lower stator by once hold-down nut 8, and upper hold-down nut is connected with driving power positive pole or negative pole respectively with lower hold-down nut.Now, when being energized to fan, two flabellums rotate respectively, and drive air movement simultaneously, thus form stable air-flow.
Specifically, in an embodiment, the flabellum of described upper vent fan assembly is a clockwise flabellum turned clockwise, the flabellum of described lower vent fan assembly is a counterclockwise flabellum be rotated counterclockwise, described upper stator is a clockwise stator turned clockwise, described lower stator is a counterclockwise pin stator be rotated counterclockwise, and described clockwise stator is installed on described clockwise flabellum, and to be coordinated with clockwise flabellum by the axle of clockwise stator and be rotatably connected; The center of described upper bracket has upper mounting hole, and upper mounting hole coordinates with the axle on clockwise stator and is rotatably connected, and the lower surface of upper mounting hole and the upper surface of clockwise flabellum are fitted and slidably linked together.
Described counterclockwise stator is installed on described counterclockwise flabellum, and to be coordinated with counterclockwise flabellum by the axle of counterclockwise stator and be rotatably connected; The center of described lower carriage has lower mounting hole, and lower mounting hole coordinates with the axle on counterclockwise stator and is rotatably connected, and the lower surface of lower mounting hole and the lower surface of counterclockwise flabellum are fitted and slidably linked together.
Wherein, fixed nut is installed on above the screw thread of the axle of stator, and described lower hold-down nut is installed on above the screw thread 51 of the axle of lower stator, and is fixed together respectively.
Wherein, the positive pole of described driving power is connected with upper hold-down nut, and negative pole is connected with lower hold-down nut, and is powered to stator coil by the axle of stator, and upper stator and lower stator are connected by circuit connected in series or are connected in parallel.
Wherein, when being energized to fan, clockwise stator drives clockwise flabellum to rotate clockwise, and counterclockwise stator drives counterclockwise flabellum to rotate counterclockwise, and clockwise flabellum and counterclockwise flabellum drive upward motion of air simultaneously, form stable air-flow.
And, as shown in Figure 4, clockwise upper flabellum 3 blocks mutually with counterclockwise lower flabellum 6, this fan is enable to drive air motion and light can not pass through from the gap of flabellum, such fan should in projector, not only can save the structure be much in the light, and air can be made more smooth.
That is, Dual-blade adds the quantity of blade, makes fan every sheet Leaf-Air drag reduction when moving, and reducing fan work is the noise produced.
Further, fans drive power positive cathode inputs respectively by the axle of two stators, and make fan structure more simple, contrast with traditional fan, during this fan work, resistance is less.
In addition, Dual-blade staggered designs, makes the light inside fan not propagate to the outside by flabellum, saves extra light-blocking structure, prevent light-blocking structure from producing resistance to air-flow, affect fan work, and this is that conventional fan is not accomplished.
Further, structure is simple, easily realizes, makes the cost of manufacture of fan lower.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a vent fan gear photo structure, it is characterized in that, comprise the contrary upper vent fan assembly of two flabellum sense of rotation and lower vent fan assembly, it comprises respectively: upper flabellum and lower flabellum, upper bracket and lower carriage and upper stator and lower stator, upper bracket and lower carriage are provided with the mounting hole of flabellum, install flabellum and lower flabellum respectively, upper bracket and lower carriage are fixed together; Wherein, between described upper flabellum and lower flabellum, there is gap, and upper stator contacts with each other with the top of lower stator and the fixing coaxial that insulate is connected; The upper surface of upper bracket is fixed by the end of hold-down nut on one and upper stator, the lower surface of lower carriage is fixed by the end of once hold-down nut and lower stator, further, upper hold-down nut is connected with driving power positive pole or negative pole respectively with lower hold-down nut.
2. vent fan gear photo structure according to claim 1, it is characterized in that, the flabellum of described upper vent fan assembly is a clockwise flabellum turned clockwise, the flabellum of described lower vent fan assembly is a counterclockwise flabellum be rotated counterclockwise, described upper stator is a clockwise stator turned clockwise, and described lower stator is a counterclockwise pin stator be rotated counterclockwise.
3. vent fan gear photo structure according to claim 2, is characterized in that, described clockwise stator is installed on described clockwise flabellum, and to be coordinated with clockwise flabellum by the axle of clockwise stator and be rotatably connected; The center of described upper bracket has upper mounting hole, and upper mounting hole coordinates with the axle on clockwise stator and is rotatably connected, and the lower surface of upper mounting hole and the upper surface of clockwise flabellum are fitted and slidably linked together.
4. the vent fan gear photo structure according to Claims 2 or 3, is characterized in that, described counterclockwise stator is installed on described counterclockwise flabellum, and to be coordinated with counterclockwise flabellum by the axle of counterclockwise stator and be rotatably connected; The center of described lower carriage has lower mounting hole, and lower mounting hole coordinates with the axle on counterclockwise stator and is rotatably connected, and the lower surface of lower mounting hole and the lower surface of counterclockwise flabellum are fitted and slidably linked together.
5. vent fan gear photo structure according to claim 1 and 2, is characterized in that, fixed nut is installed on above the screw thread of the axle of stator, and described lower hold-down nut is installed on above the screw thread of the axle of lower stator, and is fixed together respectively.
6. vent fan gear photo structure according to claim 1 and 2, it is characterized in that, the positive pole of described driving power is connected with upper hold-down nut, and negative pole is connected with lower hold-down nut, and powered to stator coil by the axle of stator, upper stator and lower stator are connected by circuit connected in series or are connected in parallel.
7. vent fan gear photo structure according to claim 3, it is characterized in that, the upper mounting hole of described upper bracket is identical with the size of lower mounting hole, and perforate relatively links together, together with the lower surface of upper bracket also fits tightly with the upper surface of lower carriage.
8. a projector, is characterized in that, has the arbitrary described vent fan gear photo structure of claim 1 ~ 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410614460.3A CN104483808B (en) | 2014-11-04 | 2014-11-04 | A kind of exhaust fan gear photo structure and scialyscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410614460.3A CN104483808B (en) | 2014-11-04 | 2014-11-04 | A kind of exhaust fan gear photo structure and scialyscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104483808A true CN104483808A (en) | 2015-04-01 |
| CN104483808B CN104483808B (en) | 2016-11-23 |
Family
ID=52758371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410614460.3A Expired - Fee Related CN104483808B (en) | 2014-11-04 | 2014-11-04 | A kind of exhaust fan gear photo structure and scialyscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104483808B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369649A (en) * | 2001-02-13 | 2002-09-18 | 台达电子工业股份有限公司 | Serial fan |
| JP2003015223A (en) * | 2001-06-28 | 2003-01-15 | Mitsubishi Electric Corp | Projection display device |
| CN1423059A (en) * | 2001-11-27 | 2003-06-11 | 松下电器产业株式会社 | Sun-shading type fan |
| US20040219022A1 (en) * | 2003-04-29 | 2004-11-04 | Sheng-An Yang | Assembled type impeller of a cooling fan |
| CN1564430A (en) * | 2004-04-09 | 2005-01-12 | 史全德 | High efficiency energy saving D.C. permanent magnet dynamo |
| CN1901331A (en) * | 2005-07-19 | 2007-01-24 | 台达电子工业股份有限公司 | Double fans and its motor structure |
| CN101382152A (en) * | 2007-09-07 | 2009-03-11 | 台达电子工业股份有限公司 | Serial fan and frame structure thereof |
| JP2013101405A (en) * | 2013-02-22 | 2013-05-23 | Seiko Epson Corp | Projector |
-
2014
- 2014-11-04 CN CN201410614460.3A patent/CN104483808B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369649A (en) * | 2001-02-13 | 2002-09-18 | 台达电子工业股份有限公司 | Serial fan |
| JP2003015223A (en) * | 2001-06-28 | 2003-01-15 | Mitsubishi Electric Corp | Projection display device |
| CN1423059A (en) * | 2001-11-27 | 2003-06-11 | 松下电器产业株式会社 | Sun-shading type fan |
| US20040219022A1 (en) * | 2003-04-29 | 2004-11-04 | Sheng-An Yang | Assembled type impeller of a cooling fan |
| CN1564430A (en) * | 2004-04-09 | 2005-01-12 | 史全德 | High efficiency energy saving D.C. permanent magnet dynamo |
| CN1901331A (en) * | 2005-07-19 | 2007-01-24 | 台达电子工业股份有限公司 | Double fans and its motor structure |
| CN101382152A (en) * | 2007-09-07 | 2009-03-11 | 台达电子工业股份有限公司 | Serial fan and frame structure thereof |
| JP2013101405A (en) * | 2013-02-22 | 2013-05-23 | Seiko Epson Corp | Projector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104483808B (en) | 2016-11-23 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20171104 |