CN108391110A - A kind of projection device - Google Patents
A kind of projection device Download PDFInfo
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- CN108391110A CN108391110A CN201810404144.1A CN201810404144A CN108391110A CN 108391110 A CN108391110 A CN 108391110A CN 201810404144 A CN201810404144 A CN 201810404144A CN 108391110 A CN108391110 A CN 108391110A
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- projection
- heat
- main body
- lens
- machine main
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- 230000003287 optical effect Effects 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 230000005855 radiation Effects 0.000 description 8
- 210000002683 foot Anatomy 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details 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
- G03B21/145—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/3144—Cooling systems
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to projection display technique fields, a kind of projection device is specifically provided, dmd chip is opposite with the projection air inlet of shell in ray machine, first radiating piece is attached to optical machine main body and closes on dmd chip, induced draft structure is set under optical machine main body, under the action of induced draft structure, is flowed by air inlet suction airflow and from top to bottom, the preferential heat taken away on the first radiating piece, makes dmd chip fast cooling.The one end of first heat-conductive assembly is affixed on optical machine main body and the heat that optical machine main body generates is led to its other end, the inlet scoop of induced draft structure is opposite with optical machine main body, by the air-flow imported from air inlet, the heat of optical machine main body generation can directly, be rapidly taken away.The end far from optical machine main body is placed between air outlet and the first exhaust outlet in first heat-conductive assembly, and air outlet is opposite with the first exhaust outlet, is realized and is carried out rapid cooling to heat derived from the first heat-conductive assembly.Therefore, optical machine main body and the heat dissipation capacity of dmd chip be can effectively improve.
Description
Technical field
The invention belongs to projection display technique fields, are to be related to a kind of projection device more specifically.
Background technology
Projection device incorporates traditional TV broadcasting function, can be used for playing video, word, image etc..Compared to
Conventional television, projection device is not only easy to carry, but also the size bigger projected, price are also relatively cheap.In projection device
The heat of generation is mainly derived from ray machine, wherein ray machine includes the color that broadcast information is carried for handling light source and reflecting
The optical machine main body of light and dmd chip for receiving the coloured light and by the color emissions to the projection lens, for
The cooling measure that optical machine main body is usually taken is sticked cooling fin, increases the heat dissipation area of optical machine main body, right to improve its heat dissipation capacity
There is no specially treateds for the heat dissipation of dmd chip, cannot be satisfied cooling requirements, and the service life of projection device is caused to substantially reduce.
Invention content
The purpose of the present invention is to provide a kind of projection devices, to solve to exist in the prior art in existing projection device
The cooling requirements that cannot be satisfied ray machine, the technical issues of reducing the service life of projection device.
To achieve the above object, the technical solution adopted by the present invention is：A kind of projection device is provided, including：
There is projection lens projection to inject end and the projection ejecting end opposite with the projection injection end；
Ray machine, for generating projection ray and having light ejecting end, the ray machine includes for handling light source and reflecting
Go out to carry the optical machine main body of the coloured light of broadcast information and set on the optical machine main body and for receiving the coloured light and by institute
The dmd chip that color emissions inject end to the projection of the projection lens is stated, end and the light ejecting end are injected in the projection
Docking；
Cooling system comprising the first radiating piece and one end are affixed on the optical machine main body and are used for the optical machine main body
The heat of generation is guided to first heat-conductive assembly of its other end, and first radiating piece is affixed on the optical machine main body and closes on
The dmd chip；
Induced draft structure, for introducing and being discharged wind, the induced draft structure is located relatively at the lower section of optical machine main body and has
Inlet scoop and the first exhaust outlet, the inlet scoop are opposite with the optical machine main body；
Project shell, it is described projection shell have accommodating chamber and be connected to the accommodating chamber projection hole, air inlet and
Air outlet, the ray machine, the cooling system, the projection lens and the induced draft structure are placed in the accommodating chamber,
The projection ejecting end of the projection lens inserts in the projection hole, and the air inlet is located relatively at the upside of the optical machine main body
And it is opposite with the dmd chip, the air outlet is opposite with first exhaust outlet, far from described in first heat-conductive assembly
The end of optical machine main body is placed between the air outlet and first exhaust outlet.
Further, the projection device further includes main control board, the main control board include master control plate body and
The main control chip being laid on the master control plate body, the induced draft structure are electrically connected with the main control chip with the ray machine,
And it is controlled by the main control chip；
Also there is the induced draft structure second exhaust outlet opposite with the inlet scoop, the main control chip to be located relatively at institute
The lower section of induced draft structure is stated, and opposite with second exhaust outlet.
Further, the projection device further includes the focus adjusting mechanism for adjusting the projection lens focal length；
The projection lens includes the lens sleeve of lens bodies and the socket lens bodies, the lens sleeve in
Its barrel offers the spiral slide extended spirally around the axis of the lens sleeve；
The focus adjusting mechanism include one end pass through the spiral slide and connect with the lens bodies focusing structure, and
The focusing structure connects and is used to drive the focusing structure to operate and drives the driving dress of the lens bodies displacement focusing
It sets and receives head for receiving the signal for the focussing signals that remote controler is sent out, the signal receives head to be believed with the driving device
Number connection, the driving device is electrically connected with the main control chip, and is controlled by the main control chip.
Further, the focusing structure includes driving gear and the driven rack that is meshed with the driving gear；
The driving device is fixed on the lens sleeve and has power output shaft, and the driving gear is placed on described dynamic
Power output shaft, the driven rack are affixed on the outer tube wall of the lens sleeve and are connect with the lens bodies, the driven tooth
Item is rotated around the axis of the lens bodies under driving gear drive and along the spiral path of the spiral slide
It slides so that the lens bodies are along its axis shift.
Further, the cooling system further includes multiple second radiating pieces for being affixed on the optical machine main body side.
Further, the cooling system further includes the second heat-conductive assembly, and the projection shell is in the chamber of the accommodating chamber
Wall offers thermovent, and the one end of second heat-conductive assembly is connect with the ray machine and the heat for generating the ray machine passes
It is directed at its other end, the end far from the ray machine is opposite with the thermovent in second heat-conductive assembly.
Further, the projection device further includes at least one is electrically connected with the main control chip and by the master control core
The loudspeaker of piece control, each loudspeaker are laid in the accommodating chamber, and the projection shell is offered in the accommodating chamber cavity wall
The sound end that goes out of at least one sound outlet hole, each loudspeaker inserts in a sound outlet hole respectively.
Further, the projection device further includes the loudspeaker box structure for being fixed on the accommodating chamber, the loudspeaker box structure packet
Include with the first vessel and for dispose the first babinet of each loudspeaker, connect with first babinet and with institute
The second babinet and the bleed passage in second vessel for stating the second vessel of the first vessel connection；
First babinet offers at least one speaker hole in the first vessel cavity wall, each speaker hole respectively with
One sound outlet hole is opposite, and the sound end that goes out of each loudspeaker inserts in a speaker hole respectively；
Second babinet offers bleeder port in the bottom of chamber of second vessel, and the projection shell is in the accommodating chamber
Bottom of chamber offer lower through-hole, the lower through-hole is connected to the bleeder port, the Single port of the bleed passage and each loudspeaker
Opposite and another port is opposite with the bleeder port to export the air-flow generated by each loudspeaker because sound film vibrates.
Further, the projection shell includes upper cover, center and lower cover, and the upper cover is removably fastened on described
The upper port of center, the lower cover are removably fastened on the lower port of the center.
Further, the projection shell further includes lens cap device, and the lens cap device includes being fixed on the appearance
Receive the slip lid for being located at the sliding rail frame at the projection hole in the cavity wall of chamber and being slidably connected with the sliding rail frame, the sliding rail frame
The camera aperture being connected to the projection hole is offered, the projection lens is slided in the slip lid described in the camera aperture and covering
With opening state with occlusion state and when the slip lid slips away the camera aperture when camera aperture.
A kind of advantageous effect of projection device provided by the invention is：The air inlet of dmd chip and projection shell in ray machine
Mouth is opposite, and the first radiating piece patch optical machine main body simultaneously closes on dmd chip, and induced draft structure is set to the lower section of optical machine main body, in this way, drawing
It under the action of wind structure, by air inlet suction airflow, and from top to bottom flows, preferentially takes away the heat on the first radiating piece, with
Make dmd chip fast cooling, it is ensured that the stability of its work.And optical machine main body, the one end of the first heat-conductive assembly are affixed on ray machine
Main body simultaneously guides the heat that optical machine main body generates to its other end, wherein the inlet scoop of induced draft structure and optical machine main body phase
It is right, by the air-flow imported from air inlet, it can directly, rapidly take away the heat of optical machine main body generation.First heat-conductive assembly
In be placed between air outlet and the first exhaust outlet far from the end of optical machine main body, wherein air outlet is opposite with the first exhaust outlet, this
Sample is realized and carries out rapid cooling to heat derived from the first heat-conductive assembly.Therefore, by above structure, it can effectively improve light
The heat dissipation capacity of owner's body and dmd chip, it is ensured that the two runs well, and extends the service life of the two, that is, extends projection device
Service life.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the stereogram exploded view of projection device provided in an embodiment of the present invention；
Fig. 2 is the sectional perspective exploded view of projection device provided in an embodiment of the present invention；
Fig. 3 is another sectional perspective exploded view of projection device provided in an embodiment of the present invention；
Fig. 4 is the stereogram exploded view of supporting structure and focusing structure provided in an embodiment of the present invention；
Fig. 5 is the stereogram of driven rack provided in an embodiment of the present invention；
Fig. 6 is the stereogram exploded view of projection shell provided in an embodiment of the present invention；
Fig. 7 is the stereogram exploded view of the first heat-conductive assembly provided in an embodiment of the present invention；
Fig. 8 is the stereogram exploded view of the second heat-conductive assembly provided in an embodiment of the present invention；
Fig. 9 is the stereogram of supporting rack provided in an embodiment of the present invention；
Figure 10 is the stereogram exploded view of lens cap device provided in an embodiment of the present invention；
Figure 11 is the remote stereogram exploded view for saying structure provided in an embodiment of the present invention；
Figure 12 is the sectional perspective exploded view at another visual angle of projection device provided in an embodiment of the present invention.
Wherein, each reference numeral in figure：
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It should be noted that when element is referred to as on " being fixed on " or " being set to " another element, it can directly exist
On another element or it may be indirectly secured to or be set on another element by third member.When an element quilt
It referred to as " is connected to " another element, it can be directly to another element or it may be indirect by third member
It is connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Please refer to Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of projection device, including：
There is projection lens 200 projection to inject end 201 and the projection ejecting end opposite with projection injection end 201
202。
Ray machine 100, for generating projection ray and having light ejecting end 101, ray machine 100 includes for handling light source simultaneously
Reflect the optical machine main body 110 for the coloured light for carrying broadcast information and set on optical machine main body 110 and for receiving coloured light and inciting somebody to action
Color emissions inject the dmd chip 120 at end 201 to the projection of projection lens 200, and end 201 and light ejecting end 101 are injected in projection
Docking.
Cooling system 1 comprising the first radiating piece 30 and one end are affixed on optical machine main body 110 and are used for optical machine main body
110 heats generated are guided to first heat-conductive assembly 20 of its other end, and the first radiating piece 30 is affixed on optical machine main body 110 and faces
Nearly dmd chip 120.
Induced draft structure 10, for introducing and being discharged wind, induced draft structure 10 is located relatively at the lower section of optical machine main body 110 and tool
There are inlet scoop 1011 and the first exhaust outlet 1012, inlet scoop 1011 opposite with optical machine main body 110.
Project shell 800, projection shell 800 have accommodating chamber 801 and be connected to accommodating chamber 801 projection hole 802, into
Air port 804 and air outlet 805, ray machine 100, cooling system 1, projection lens 200 and induced draft structure 10 are placed in accommodating chamber 801
Interior, the projection ejecting end 202 of projection lens 200 inserts in projection hole 802, and air inlet 804 is located relatively at the upper of optical machine main body 110
Side is simultaneously opposite with dmd chip 120, and air outlet 805 and the first exhaust outlet 1012 are opposite, far from ray machine master in the first heat-conductive assembly 20
The end of body 110 is placed between air outlet 805 and the first exhaust outlet 1012.
In the present embodiment, dmd chip 120 is opposite with the air inlet 804 of projection shell 800 in ray machine, the first radiating piece
30 patch optical machine main bodies 110 simultaneously close on dmd chip 120, and induced draft structure 10 is set to the lower section of optical machine main body 110, in this way, in air inducing knot
It under the action of structure 10, by 804 suction airflow of air inlet, and from top to bottom flows, preferentially takes away the heat on the first radiating piece 30,
So that 120 fast cooling of dmd chip, it is ensured that the stability of its work.And optical machine main body 110, one end of the first heat-conductive assembly 20
Portion is affixed on optical machine main body 110 and guides the heat that optical machine main body 110 generates to its other end, wherein induced draft structure 10
Inlet scoop 1011 and optical machine main body 110 are opposite, by the air-flow imported from air inlet 804, can directly, rapidly take away ray machine
The heat that main body 110 generates.End far from optical machine main body 110 in first heat-conductive assembly 20 is placed in air outlet 805 and first row
Between air port 1012, wherein air outlet 805 and the first exhaust outlet 1012 are opposite, are exported to the first heat-conductive assembly 20 in this way, realizing
Heat carry out rapid cooling.Therefore, by above structure, optical machine main body 110 and dmd chip 120 be can effectively improve
Heat dissipation capacity, it is ensured that the two runs well, and extends the service life of the two, that is, extends the service life of projection device.
In the present embodiment, induced draft structure 10 is fan.
Projection device further includes main control board 300, and main control board 300 is including master control plate body 310 and is laid in master
The main control chip 320 on plate body 310 is controlled, induced draft structure 10 is electrically connected with main control chip 320 with ray machine 100, and by master control core
Piece 320 controls.
Also there is induced draft structure 10 second exhaust outlet 1013 opposite with inlet scoop 1011, main control chip 320 to be located relatively at
The lower section of induced draft structure 10, and it is opposite with the second exhaust outlet 1013.In this way, effectively improving the radiating efficiency of main control board 300.
In the present embodiment, distinguished and admirable to be sucked into accommodating chamber 801 by air inlet 804 by induced draft structure 10, and flow through light
After machine 100 and each first radiating piece 30, it is drawn to inlet scoop 1011, via induced draft structure 10 by distinguished and admirable from the first exhaust outlet 1012
It is discharged with the second exhaust outlet 1013, wherein the second exhaust outlet 1013 is opposite with main control board 300, realizes to main control board
300 blowing heat dissipations, and discharge is sucked back by inlet scoop 1011 again, realize circulation cooling.And the first exhaust outlet 1012 and air outlet 805
End far from ray machine 100 in opposite and the first heat-conductive assembly 20 is positioned there between, the purpose of the first heat-conductive assembly 20 setting
It is that the heat that ray machine 100 sheds is guided to air outlet 805, dries it by the first exhaust outlet 1012, make heat thereon
Amount is rapidly shed by air outlet 805.In this way, it is heat dissipation effect to improve main control board 300 with ray machine 100, it is ensured that projection
Equipment runs well.
Specifically, projection device further includes drive circuit board 600, and drive circuit board 600 includes driving plate body 610 and cloth
Accessory module on driving plate body 610, the accessory module includes power module, audio-frequency module, video module etc.,
It is connect with main control chip 320.
Please refer to Fig. 2 and Figure 12, in the present embodiment, main control board 300 further includes connector group 330, connection
Device group 330 includes USB connector 331, HDMI connector 332, network interface connector 333, power connector 334 and earphone connection
Device 335, each connector are laid in the edge of master control borad body 310 and are connect with accessory module.In this way, can make projection device with
External power supply, network, electronic equipment establish connection.
Please refer to Fig. 2 to Fig. 5, further, projection device further includes the tune for adjusting 200 focal length of projection lens
Focusing mechanism 700.
Projection lens 200 includes lens bodies 210 and the lens sleeve 220 for being socketed lens bodies 210, lens sleeve
220 offer the spiral slide 221 extended spirally around the axis of lens sleeve 220 in its barrel.
Focus adjusting mechanism 700 include one end pass through spiral slide 221 and connect with lens bodies 210 focusing structure 710, and
Focusing structure 710 connects and the driving device for driving focusing structure 710 to operate and the displacement of lens bodies 210 being driven to focus
720 and head 730 is received for receiving the signal for the focussing signals that remote controler is sent out, signal receives head 730 and driving device 720
Signal connects, and driving device 720 is connected with the control of main control chip 320.It is to be appreciated that when remote controler receives head 730 to signal
When sending out focussing signals, signal receives head 730 and focussing signals is sent driving device 720, and driving device 720 handles focussing signals
And focussing signals are converted into focusing data-signal and are sent to main control chip 320, main control chip 320 receives and processes focusing data
After signal, then to driving device 720 treated accurate control signal is sent, driving device 720 receives control signal and simultaneously drives
Focusing structure 710 operates, and drives the displacement focusing of projection lens 200.In this way, only needing remote controller, it is not necessarily to manual adjustment knob
It can realize the focus adjustment of projection lens 200.
Please refer to Fig. 2 to Fig. 5, further, focusing structure 710 includes driving gear 711 and and driving gear
The 711 driven racks 712 being meshed.
Driving device 720 is fixed on lens sleeve 220 and has power output shaft 721, and it is defeated that driving gear 711 is placed on power
Shaft 721, driven rack 712 are affixed on the outer tube wall of lens sleeve 220 and are connect with lens bodies 210, and driven rack 712 is in master
Moving gear 711 drives the lower axis around lens bodies 210 and along the spiral path rotational slide of spiral slide 221 so that mirror
Head main body 210 is along its axis shift.In this way, when driving device 720 receives the control signal that main control chip 320 is sent, open
It moves and power output shaft 721 is driven to rotate, since power output shaft 721 is connect with driving gear 711, and then driving gear 711
As power output shaft 721 rotates synchronously, driving gear 711 is meshed with driven rack 712, and driving device 720 is fixed
In the barrel of lens sleeve 220, and then the relative position of driving gear 711 is constant, and driven rack 712 is by driving gear 711
The torque of application surrounds the axis of lens bodies 210 and along the spiral path rotational slide of spiral slide 221 so that camera lens master
Body 210 realizes that lens bodies 210 are focused along its axis shift.It is simple in structure, and spiral slide 221 is to surround camera lens
The axis spiral of main body 210 is arranged, that is, achievees the purpose that linearly to focus, improve the accuracy of focusing.Compared to manual focusing, nothing
Method accurately controls 210 displacement distance of lens bodies, and controlling the driving device 720 by main control chip 320 can realize.
In the present embodiment, driving device 720 includes driving motor and controller, wherein controller and driving motor control
System connection, driver receive 730 signal of head with signal and connect, and driver is connect with main control chip 320.And above-mentioned control signal shape
What it is at process is completed by controller.
In the present embodiment, the axis of the axis of power output shaft 721 and driving gear 711 with lens bodies 210
Axis it is identical.
In the present embodiment, surface facing with lens sleeve 220 in driven rack 712 and lens sleeve 220 is outer
Shape matches, in this way, effectively improving stationarity when driven rack 712 is moved along spiral slide 221.
Please refer to Fig. 2 to Fig. 5, in the present embodiment, focus adjusting mechanism 700 further includes for fixing driving device 720
Supporting structure 740, supporting structure 740 include fixing bracket 741 and supporting support 742.
Supporting support 742 include be fixed on lens sleeve 220 outer tube wall support grillage 7421 and with support grillage
7421 connections and two support legs 7422 extended towards the direction far from lens sleeve 220, in driving device 720 with power output shaft
721 opposite facing ends are inserted between two support legs 7422, two support legs, 7422 grasping drive unit 720.
Fixing bracket 741 includes the fixing frame plate 7411 and and fixing frame plate for the outer tube wall for being fixed on lens sleeve 220
7411 connections and two fixed feets 7412 extended far from 220 direction of lens sleeve, the power output end of driving device 720 is fixed
In two fixed feets 7412, power output shaft 721 between two fixed feets 7412 by stretching out.
Fixing bracket 741 further includes that one end is connect and the other end prolongs far from 220 direction of lens sleeve with fixing frame plate 7411
The stabilization grillage 7413 stretched stablizes grillage 7413 and offers stable mouth 7401 in its elongated end, and power output shaft 721 inserts in stabilization
Mouth 7401 reduces its amplitude, light modulation power output shaft 721,711 and of driving gear to ensure 721 smooth rotation of power output shaft
The service life of driven rack 712.
Please refer to Fig. 2 to Fig. 5, focus adjusting mechanism 700 further includes for driven rack 712 to be limited in lens sleeve
The spiral position limiting structure 750 of 220 outer tube wall.
Spiral position limiting structure 750 includes limit grillage 751 and is each extended over out in the opposite sides face of driven rack 712
First limiting plate 752 and the second limiting plate 753, limit grillage 751 are fixed on the outer tube wall of lens sleeve 220, driven rack 712
Between limit grillage 751 and fixing bracket 741.Definition is oriented " preceding " with the projection ejecting end 202 of projection lens 200,
Then it is reversed " rear ".Supporting structure 740 is relative to the 712 forward setting of driven rack.Limit grillage 751 is opened up in its leading flank
There are the advancing slip access slot 7501 of the extending direction extension along spiral slide 221, fixing frame plate 7411 to offer edge in side thereafter
The rear sliding slot 7502 that the extending direction of spiral slide 221 extends, the axis of advancing slip access slot 7501 and afterwards sliding slot 7502
Axis it is identical as the axis of lens bodies 210.First limiting plate 752 slips slot 7502 after inserting in, the second limiting plate 753 is inserted
In advancing slip access slot 7501, advancing slip access slot 7501 and rear sliding slot 7502 are collectively formed the axis spiral around lens bodies 210 and prolong
The spiral limit slideway stretched, in this way, convenient for driven rack 712 to be limited to the outer tube wall in lens sleeve 220.
In the present embodiment, driven rack 712 is fixedly connected with lens bodies 210.Certainly, it is also detachably connected.
Please refer to Fig. 2 to Fig. 5, in order to ensure the more smooth rotation of driven rack 712 and along lens bodies 210
Axis direction preferably limits, and spiral position limiting structure 750 further includes the limiting plate that one end is connect with the edges of boards of the first limiting plate 752
754 and the hook bolt 755 that is connect with the other end of limiting plate 754, wherein hook bolt 755 faces away from the direction of lens sleeve 220
Extend.In fixing frame plate 7411 surface facing with lens sleeve 220 offer with slip afterwards slot 7502 be connected to it is sliding slotting
Slot 7503, limiting plate 754 insert in sliding slot 7503, and the hook of hook bolt 755 terminates in fixing frame plate 7411.Limiting plate 754 can be sliding
It is slid along the extending direction spiral of spiral slide 221 in slot 7503.
Preferably, spiral position limiting structure 750 further includes the guiding raised line 756 being connect with the slot bottom of sliding slot 7503, is drawn
Pilot item 756 around lens bodies 210 axis and extend along the extending direction of spiral slide 221, in limiting plate 754 with
The facing surface of guiding raised line 756 offers spiral guide slot 7504, and guiding raised line 756 terminates in fixed plate in the hook of hook bolt 755
Spiral guide slot 7504 and sliding cooperation are inserted in when frame 7411.Driven rack 712 turns along the extending direction of guiding raised line 756
It is dynamic, more improve stability and accuracy of the driven rack 712 around the axis helical rotation of lens bodies 210.
In the present embodiment, projection shell 800 offers in the cavity wall of accommodating chamber 801 and receives what head 730 plugged for signal
Signal receiver hole 803.Projection hole 802 and signal receiver hole 803 are all located at the leading flank of projection shell 800.
Please refer to Fig. 1, Fig. 2 and Fig. 6, further, projection shell 800 include upper cover 810, center 820 and under
Lid 830, upper cover 810 are removably fastened on the upper port of center 820, and lower cover 830 is removably fastened on the lower end of center 820
Mouthful, upper cover 810, center 820 and lower cover 830 are enclosed accommodating chamber 801 jointly.In this way, upper cover 810 and lower cover 830 are equal
It is detachably connected with the two-port of center 820, is convenient for quick assembly and disassembly, while convenient for being tieed up to the device of its inside
Shield, repair and replacement.
In the present embodiment, center 820 includes main frame 821 and rear side panel 823, wherein main frame is in its side
Face, which offers, assigns mouth 822, and rear side panel, which is detachably connected on, to be assigned at mouth 822.Air outlet 805 is set on rear side panel, and
It is provided with multiple and is in bar shaped.
In the present embodiment, rear side panel 823 is connected to the assigning at mouth 822 of main frame 821 by buckle structure.Main frame
The lower end of body 821 and the lower end of rear side panel 823 are connected to by buckle structure on lower cover 830.The upper end of main frame 821
And the upper end of rear side panel 823 is connected to upper cover 810 by buckle structure.
In the present embodiment, projection shell 800 further includes plate type bracket 840, and signal receives head 730500 and is fixed on template
On holder 840, and plate type bracket 840 is fixed on the anterior cavity wall of accommodating chamber 801.
Fig. 1, Fig. 2 and Fig. 9 are please consulted simultaneously, and projection device further includes supporting rack 900, and supporting rack 900 includes support body frame
910, it is multiple stand on support body frame 910 upper sides upper fixed columns 920 and stand on support body frame 910 downside it is more
A first time fixed column 930 and multiple second time fixed column 940, ray machine 100 are each attached to the upper of support body frame 910 with camera lens
Side.Drive circuit board 600 is fixed on the top of each upper fixed column 920, and main control board 300 is fixed on first time fixed column 930
Top, it is possible to understand that ground, drive circuit board 600 and main control board 300 far from support body frame 910 fix.
Please refer to Fig. 1 to Fig. 3 and Fig. 9, in the present embodiment, support 910 body of body frame is equipped with upwardly in its downside
First resettlement groove 911, and in 911 cell wall of the first resettlement groove offer first support hole 912 and in the slot of the first resettlement groove 911
Bottom offers second support hole 913, and fan 10 is fixed in the first resettlement groove 911, first support hole 912 and the first exhaust outlet
1012 is opposite, and second support hole 913 is opposite with inlet scoop 1011.100 part of ray machine inserts in support body frame 910 and drive circuit board
It is between 600 and opposite with second support hole 913, and there are the spaces for wind flow between support body frame 910, improve ray machine
100 be rate of heat dissipation.
Please refer to Fig. 1 to Fig. 3, Fig. 6 and Fig. 9, specifically, support body frame 910 is equipped with the second peace downwards in upside
Slot 914 is set, the second resettlement groove 914 is connected to the first resettlement groove 911 by first support hole 912, and support body frame 910 is in the second peace
It sets 914 cell wall of slot and opens up the third bracket holes 915 opposite with first support hole 912, third bracket holes 915 and 805 phase of air outlet
It is right.End far from ray machine 100 in first heat-conductive assembly 20 is placed in the second resettlement groove 914, meanwhile, the first heat-conductive assembly 20
Effect is ray machine 100 to be generated heat derives to separate end, and wind is that have first support hole 912 to flow to third bracket holes
915, it is located at the heat of the end in the second resettlement groove 914 in this way, helping to take away in the first heat-conductive assembly 20, and by it from going out
Air port 805 is discharged.In this way, forming proprietary air exhaust passage to the discharge of heat, improve radiating efficiency, avoid overheat it is distinguished and admirable again
It is secondary to flow back into accommodating chamber 801, the temperature of internal component is improved, the normal work of projection device is influenced.
Please refer to Fig. 1 to Fig. 3, Fig. 7 and Fig. 9, in the present embodiment, the first heat-conductive assembly 20 include heat dissipation group 21,
At least one thermally conductive sheet 22 and at least one heat conducting bar 23, heat dissipation group 21 are placed in the second resettlement groove 914.Each thermally conductive sheet 22 is solid
It is scheduled on 100 side wall of ray machine and is contacted with 100 face of ray machine, in this way, helping to increase heat conduction amount.The one end of each heat conducting bar 23 is distinguished
It is fixed in a thermally conductive sheet 22 and 100 opposite facing surface of ray machine, to draw the heat on thermally conductive sheet 22, each heat conducting bar 23
The other end insert in heat dissipation group 21, heat dissipation group 21 has multiple vented cavities 2011, and an accent of each vented cavity 2011 with
First support hole 912 is opposite, and another accent is opposite with third bracket holes 915, is convenient for the circulation of wind, while being convenient for wind fast speed belt
Walk the heat of the generation of heat dissipation group 21.
Please refer to Fig. 1 to Fig. 3, Fig. 7 and Fig. 9, specifically, heat dissipation group 21 includes multiple heat radiating fins to stack together
Piece 2012 has above-mentioned vented cavity 2011 between two radiating fins 2012 of arbitrary neighborhood.Heat conducting bar 23 generates ray machine 100
Heat guide to each radiating fin 2012, and each heat dissipation is taken away via the wind that the first exhaust outlet 1012 is blown out by fan 10
Heat on fin 2012 is effectively increased radiating surface by the setting of each radiating fin 2012, improves radiating efficiency.Each heat dissipation
Fin 2012 is placed in the second resettlement groove 914.
In the present embodiment, each thermally conductive sheet 22 in 100 opposite facing surface of ray machine be equipped with stem guiding trough 2201, heat conducting bar 23
End be placed in stem guiding trough 2201.
Further please refer to Fig. 1 to Fig. 3 and Fig. 8, cooling system 1 further includes the second heat-conductive assembly 40, projection
Shell 800 offers thermovent 806 in the cavity wall of accommodating chamber 801, and the one end of the second heat-conductive assembly 40 is connect simultaneously with ray machine 100
The heat that ray machine 100 generates is conducted to its other end, the end far from ray machine 100 in the second heat-conductive assembly 40 and thermovent
806 is opposite.In this way, further improving the heat dissipation effect of ray machine 100.
Please refer to Fig. 1 to Fig. 3, Fig. 8 and Fig. 9, the second heat-conductive assembly 40 includes heat radiation module 41, at least one draws heat
Piece 42 and it is at least one draw hot rod 43, heat radiation module 41 is placed in the second resettlement groove 914, and each heat guide fin 42 is fixed on ray machine
100 side walls are simultaneously contacted with 100 face of ray machine, draw heat in this way, helping to increase.The one end for respectively drawing hot rod 43 is separately fixed at one
Respectively draw the other end of hot rod 43 with 100 opposite facing surface of ray machine to draw the heat on heat guide fin 42 in heat guide fin 42
Portion inserts in heat radiation module 41, and heat radiation module 41 has multiple heat dissipation cavities 4011, and an accent thermovent of each heat dissipation cavity 4011
806 is opposite, convenient for the heat in heat radiation module 41 is shed by thermovent 806.
In the present embodiment, heat radiation module 41 be located at support body frame 910 upside, in this way, due to second support hole 913 with
Inlet scoop 1011 is opposite, then, thermovent 806 also can be used as air inlet 804, and the distinguished and admirable heat dissipation through heat radiation module 41 entered
Chamber 4011 through passing through fan 10, then has the first exhaust outlet 1012, air outlet by heat as air draught direction leads to inlet scoop 1011
805 are expelled to except projection device.In this way, improving 100 heat dissipation effect of ray machine.And the effect of heat dissipation cavity 4011 is easy for the stream of wind
It is logical, while walking the heat that heat dissipation group 21 generates convenient for wind fast speed belt.
Specifically, heat radiation module 41 includes multiple heat-dissipating fins 4012 to stack together, two radiating wings of arbitrary neighborhood
There are above-mentioned heat dissipation cavities 4011 between piece 4012.Draw hot rod 43 to guide the heat that ray machine 100 generates to each heat-dissipating fin
On 4012, and radiated by thermovent 806 or the wind that is introduced by thermovent 806 is by the heat band on each heat-dissipating fin 4012
Radiating surface is effectively increased by the setting of each heat-dissipating fin 4012 to inlet scoop 1011, improves radiating efficiency.
Please refer to Fig. 1 to Fig. 3 and Fig. 6, further, cooling system 1 further includes being affixed on 110 side of optical machine main body
Multiple second radiating pieces 50.In this way, improving the heat dissipation area of optical machine main body 110.In the present embodiment, second radiating piece 50
Structure is identical as the structure of the first radiating piece 30, and details are not described herein again.
In the present embodiment, air inlet 804 and thermovent 806 are opened in two sides opposite in main frame 821, and go out
Air port 805 is opened in rear side panel 823.
Please refer to Fig. 1, Fig. 6 and Figure 12, further, projection device further includes at least one and main control chip 320
The loudspeaker 2 of connection are controlled, each loudspeaker 2 are laid in accommodating chamber 801, and projection shell 800 offers at least in 801 cavity wall of accommodating chamber
The sound end that goes out of one sound outlet hole 807, each loudspeaker 2 inserts in a sound outlet hole 807 respectively.In this way, further enriching projection device
Functional characteristic.User is improved to its experience property.
Please refer to Fig. 1, Fig. 6 and Figure 12, further, projection device further includes the speaker for being fixed on accommodating chamber 801
Structure 3, loudspeaker box structure 3 include with the first babinet 60 and the first babinet 60 with the first vessel and for disposing each loudspeaker 2
It connects and second babinet 70 with the second vessel being connected to the first vessel and the bleed passage in the second vessel.
First babinet 60 offers at least one speaker hole 6011 in the first vessel cavity wall, and each speaker hole 6011 is respectively with one
Sound outlet hole 807 is opposite, and the sound end that goes out of each loudspeaker 2 inserts in a speaker hole 6011 respectively.
Second babinet 70 offers bleeder port 6012 in the bottom of chamber of the second vessel, and projection shell 800 is in the chamber of accommodating chamber 801
Bottom offers lower through-hole 808, and lower through-hole 808 is connected to bleeder port 6012, and the Single port of bleed passage is opposite and another with each loudspeaker 2
Single port is opposite to export the air-flow generated by each loudspeaker 2 because sound film vibrates with bleeder port 6012.In this way, being used for balanced loud-speaker
Air pressure fluctuation is generated since sound film vibrates inside structure 3, improves the sound quality of each loudspeaker 2.
In the present embodiment, loudspeaker box structure 3 is fixed on 801 bottom of chamber of accommodating chamber, and the first babinet 60 and 70 phase of the second babinet
To being vertically arranged, the first babinet 60 and the rear cavity wall of accommodating chamber 801 are facing, and the second babinet 70 is fixed on 801 bottom of chamber of accommodating chamber.
Please refer to Fig. 1, Fig. 6 and Figure 12, specifically, projection shell 800 is equipped with lantern ring 6013 and tool in its bottom
There is the net mounting 6014 of multiple mesh, lantern ring 6013 is placed on lower through-hole 808, and net mounting 6014 is fixed on accommodating chamber 801
Lower cavity wall simultaneously covers lower through-hole 808.In this way, reducing dust enters speaker.The lantern ring 6013 is sealing ring, the chamber of accommodating chamber 801
Bottom and the lower surface of the second babinet 70 squeeze the lantern ring 6013, realize sealing.The airflow influence second in accommodating chamber 801 is avoided to hold
The air pressure of intracavitary.
In the present embodiment, the serpentine-like arrangement of bleed passage avoids outer thus it is possible, on the one hand, extending the length of bleed passage
Boundary's air imports rapidly, increases speaker air pressure inside, influences the sound quality of each loudspeaker 2；On the other hand, speaker can be better balanced
Air pressure inside improves the sound quality of each loudspeaker 2.
In the present embodiment, the top of each second time fixed column 940 in supporting support 742 is butted on the second babinet 70, and
It is fixed on the second babinet 70.
Please refer to Fig. 1 and Figure 10, further, shell mechanism further includes lens cap device 4, and lens cap device 4 wraps
Include the cunning for being fixed on and being located at the sliding rail frame 80 at projection hole 802 in the cavity wall of accommodating chamber 801 and being slidably connected with sliding rail frame 80
Lid 90, sliding rail frame 80 offer the camera aperture 8011 being connected to projection hole 802, and projection lens 200 slides to camera aperture in slip lid 90
8011 and when covering camera aperture 8011 with occlusion state and when slip lid 90 slips away camera aperture 8011 with opening state.This
Sample only need to slide slip lid 90, be at opening state when needing to carry out projection broadcasting or screen call using projection device
；When projection device need not be used, slip lid 90 is slided, occlusion state is at, in this way, extraneous dust can be reduced
Before being deposited in projection lens 200, improves the drop shadow effect of projection lens 200 and extend its service life.
In the present embodiment, sliding rail frame 80 has extended in the same direction slideway 8012 in its opposite sides side, and two slideways 8012 are mutually
Parallel and extension up and down,
Lens cap device 4 further includes being set to that one end is rotationally connected with slip lid 90 and the other end is rotationally connected with sliding rail
The elastic component 8013 of frame 80, elastic component 8013 have screw-pinch state when slip lid 90 is in occlusion state and at slip lids 90
There is open configuration when opening state, elastic component 8013 is in screw-pinch state in the shape of a spiral and to slip lid 90 and sliding rail frame
80 apply tightening force, and are supported in open configuration between slip lid 90 and sliding rail frame 80, avoid slip lid 90 to camera aperture 8011
Sliding, still, as long as applying the support equilibrium state that external force breaks elastic component 8013 to slip lid 90, slip lid 90 is restoring force effect
Lower automatic sliding simultaneously covers camera aperture 8011.
In the present embodiment, surface facing with sliding rail frame 80 in slip lid 90 is convexly equipped with connecting pole, in sliding rail frame 80 with
The facing surface of slip lid 90 has protruded out connecting column, and the one end of elastic component 8013 is rotatably connected on connecting pole and the other end turns
It is dynamic to be connected to connecting column.
In the present embodiment, slip lid 90 is located relatively at the lower section of camera aperture 8011 in opening state, sliding rail frame 80 in
The facing surface of slip lid 90 is convexly equipped at least one support column 8014, and each support column 8014 is respectively positioned on same horizontal line, slip lid
90 are butted in opening state on each support column 8014.In this way, realizing the limit of slip lid 90.
Lens cap device 4 further includes the position switch 8015 for being connected on sliding rail frame 80 and being used to incude 90 position of slip lid,
Position switch 8015 is connect with main control chip 320, the trigger position switch 8015 when in occlusion state of slip lid 90, to close light
Machine 100, ray machine 100, which is in, closes shape body；The trigger position switch 8015 again in the open state of slip lid 90, to open ray machine
100 are projected, and ray machine 100 is in open state.Specifically, position switch 8015 can be Hall switch.It is slided in this way, realizing
Lid 90 links with ray machine 100.
Please refer to Fig. 1 and Figure 11, in the present embodiment, projection device further includes display structure 400, shows structure
The light source bracket 410 of 400 upper faces including being fixed on drive circuit board 600, the light source for being fixed on 410 upper surface of light source bracket
Light source head cover 420 on plate 430 and cover button light source board 430, light source board 430 are electrically connected with drive circuit board 600, and projection is outer
Shell 800 offers loophole 809 in the upper cavity wall of accommodating chamber 801, and light source head cover 420 is threaded through loophole 809.Light source head cover
420 in the radium-shine Logo patterns for having light-permeable in the surface facing with light source board 430, in this way, 800 top surface of projection shell can be shown
Show the Logo patterns of the projection device.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
All any modification, equivalent and improvement made by within principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of projection device, which is characterized in that including：
There is projection lens projection to inject end and the projection ejecting end opposite with the projection injection end；
Ray machine, for generating projection ray and having light ejecting end, the ray machine includes being taken for handling light source and reflecting
The optical machine main body of coloured light with broadcast information and set on the optical machine main body and for receiving the coloured light and by the color
Light emitting injects the dmd chip at end to the projection of the projection lens, and projection injection end is docked with the light ejecting end；
Cooling system comprising the first radiating piece and one end are affixed on the optical machine main body and for generating the optical machine main body
Heat guide to first heat-conductive assembly of its other end, first radiating piece is affixed on the optical machine main body and closes on described
Dmd chip；
Induced draft structure, for introducing and being discharged wind, the induced draft structure is located relatively at the lower section of optical machine main body and has air draught
Mouth and the first exhaust outlet, the inlet scoop are opposite with the optical machine main body；
Project shell, projection hole, air inlet and the outlet air that the projection shell has accommodating chamber and is connected to the accommodating chamber
Mouthful, the ray machine, the cooling system, the projection lens and the induced draft structure are placed in the accommodating chamber, described
The projection ejecting end of projection lens inserts in the projection hole, the air inlet be located relatively at the upside of the optical machine main body and with
The dmd chip is opposite, and the air outlet is opposite with first exhaust outlet, far from the ray machine in first heat-conductive assembly
The end of main body is placed between the air outlet and first exhaust outlet.
2. projection device as described in claim 1, which is characterized in that the projection device further includes main control board, described
Main control board includes master control plate body and the main control chip that is laid on the master control plate body, the induced draft structure and the light
Machine is electrically connected with the main control chip, and is controlled by the main control chip；
Also there is the induced draft structure second exhaust outlet opposite with the inlet scoop, the main control chip to be located relatively at described draw
The lower section of wind structure, and it is opposite with second exhaust outlet.
3. projection device as claimed in claim 2, which is characterized in that the projection device further includes for adjusting the projection
The focus adjusting mechanism of lens focus；
The projection lens includes the lens sleeve of lens bodies and the socket lens bodies, and the lens sleeve is in its cylinder
Wall offers the spiral slide extended spirally around the axis of the lens sleeve；
The focus adjusting mechanism include one end pass through the spiral slide and connect with the lens bodies focusing structure, with it is described
Focusing structure connect and be used to drive the focusing structure to operate and drive the driving device of lens bodies displacement focusing with
And head is received for receiving the signal for the focussing signals that remote controler is sent out, the signal receives head and connects with the driving device signal
It connects, the driving device is electrically connected with the main control chip, and is controlled by the main control chip.
4. projection device as claimed in claim 3, which is characterized in that the focusing structure include driving gear and with it is described
The driven rack that driving gear is meshed；
The driving device is fixed on the lens sleeve and has power output shaft, and it is defeated that the driving gear is placed on the power
Shaft, the driven rack are affixed on the outer tube wall of the lens sleeve and are connect with the lens bodies, and the driven rack exists
The driving gear drives the lower axis around the lens bodies and the spiral path rotational slide along the spiral slide
So that the lens bodies are along its axis shift.
5. projection device according to any one of claims 1 to 4, which is characterized in that the cooling system further includes being affixed on
Multiple second radiating pieces of the optical machine main body side.
6. projection device according to any one of claims 1 to 4, which is characterized in that the cooling system further includes second
Heat-conductive assembly, the projection shell offer thermovent, the one end of second heat-conductive assembly in the cavity wall of the accommodating chamber
It is connect with the ray machine and conducts the heat that the ray machine generates to its other end, far from institute in second heat-conductive assembly
The end for stating ray machine is opposite with the thermovent.
7. projection device as claimed in claim 2, which is characterized in that the projection device further includes at least one and the master
The loudspeaker controlled chip electrical connection and controlled by the main control chip, each loudspeaker are laid in the accommodating chamber, the projection
Shell offers at least one sound outlet hole in the accommodating chamber cavity wall, each loudspeaker go out sound end insert in one respectively described in go out sound
Hole.
8. projection device as claimed in claim 7, which is characterized in that the projection device further includes being fixed on the accommodating chamber
Loudspeaker box structure, the loudspeaker box structure include with the first vessel and for dispose each loudspeaker the first babinet, with
First babinet connects and has the second babinet of the second vessel being connected to first vessel and set on described second
Bleed passage in vessel；
First babinet offers at least one speaker hole in the first vessel cavity wall, each speaker hole respectively with an institute
State that sound outlet hole is opposite, the sound end that goes out of each loudspeaker inserts in a speaker hole respectively；
Second babinet offers bleeder port in the bottom of chamber of second vessel, and the projection shell is in the chamber of the accommodating chamber
Bottom offers lower through-hole, and the lower through-hole is connected to the bleeder port, the Single port of the bleed passage and each loudspeaker phase
Pair and another port it is opposite with the bleeder port to export the air-flow that is generated by each loudspeaker because sound film vibrates.
9. projection device according to any one of claims 1 to 4, which is characterized in that the projection shell include upper cover, in
Frame and lower cover, the upper cover are removably fastened on the upper port of the center, and the lower cover is removably fastened on described
The lower port of center.
10. projection device according to any one of claims 1 to 4, which is characterized in that the projection shell further includes camera lens
Lid arrangement, the lens cap device include be fixed in the cavity wall of the accommodating chamber be located at the projection hole at sliding rail frame and
The slip lid being slidably connected with the sliding rail frame, the sliding rail frame offer the camera aperture being connected to the projection hole, the projection
Camera lens has occlusion state when the slip lid slides to the camera aperture and covers the camera aperture and slips away institute in the slip lid
There is opening state when stating camera aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404144.1A CN108391110A (en) | 2018-04-28 | 2018-04-28 | A kind of projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404144.1A CN108391110A (en) | 2018-04-28 | 2018-04-28 | A kind of projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108391110A true CN108391110A (en) | 2018-08-10 |
Family
ID=63065155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810404144.1A Pending CN108391110A (en) | 2018-04-28 | 2018-04-28 | A kind of projection device |
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| CN (1) | CN108391110A (en) |
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| CN108811475A (en) * | 2018-09-07 | 2018-11-13 | 埃视森智能科技(上海)有限公司 | The heat radiation air-deflecting device of raster pattern 3D vision positioning systems |
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| CN108811475A (en) * | 2018-09-07 | 2018-11-13 | 埃视森智能科技(上海)有限公司 | The heat radiation air-deflecting device of raster pattern 3D vision positioning systems |
| CN108811475B (en) * | 2018-09-07 | 2024-04-16 | 埃视森智能科技(上海)有限公司 | Heat dissipation air ducting of grating type 3D vision positioning system |
| CN109540465A (en) * | 2018-10-08 | 2019-03-29 | 深圳市火乐科技发展有限公司 | A kind of lens cover of projector switch state detector and method |
| CN112650015A (en) * | 2020-12-25 | 2021-04-13 | 成都极米科技股份有限公司 | Small-size automatic optical zoom projector and complete machine stacking method |
| CN115804641A (en) * | 2021-09-13 | 2023-03-17 | 广州星际悦动股份有限公司 | Beauty instrument |
| CN114624944A (en) * | 2022-03-01 | 2022-06-14 | 峰米(重庆)创新科技有限公司 | Projection device |
| CN114624944B (en) * | 2022-03-01 | 2024-05-07 | 峰米(重庆)创新科技有限公司 | Projection apparatus |
| CN114967304A (en) * | 2022-05-17 | 2022-08-30 | 峰米(重庆)创新科技有限公司 | Projector with a light source |
| CN114967304B (en) * | 2022-05-17 | 2024-03-15 | 峰米(重庆)创新科技有限公司 | Projector with a light source for projecting light |
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Application publication date: 20180810 |