CN108508685A - A kind of laser-projector - Google Patents
A kind of laser-projector Download PDFInfo
- Publication number
- CN108508685A CN108508685A CN201810404134.8A CN201810404134A CN108508685A CN 108508685 A CN108508685 A CN 108508685A CN 201810404134 A CN201810404134 A CN 201810404134A CN 108508685 A CN108508685 A CN 108508685A
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- projection
- laser
- projector
- light beam
- accommodating chamber
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- 230000013011 mating Effects 0.000 claims abstract description 9
- 230000010354 integration Effects 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims description 41
- 230000033228 biological regulation Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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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
-
- 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
- G03B21/28—Reflectors in projection beam
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The present invention relates to projection display technique fields,A kind of laser-projector is specifically provided,Ray machine in laser projection is for generating three color laser beams,Module is integrated three color laser beams are docked and received with ray machine and three color laser beams are carried out being integrally formed the projected light beam for being loaded with projection information,Projection lens docks with integration module and conducts projected light beam,It is docked with the interface frame, mating frame mouth that the reflection pottery in catoptric arrangement is rectified at the projection end of projection lens,So that projected light beam is injected reflector cavity and is reflected via reflecting component and projection screen is projected to by exit wound of bullet,Reflecting component is fixed in reflector cavity and its reflective surface is projected towards projection end and towards upper inclination so that projected light beam tilts,Transmissive mirror is placed in exit wound of bullet and parallel with the reflective surface of reflecting component,Angle is formed between projected light beam and horizontal plane after reflection,Effectively reduce the distance between laser-projector and projection screen,Avoid the projected picture of shield portions or whole,Influence the effect and viewing property of projection.
Description
Technical field
The invention belongs to projection display technique fields, are to be related to a kind of laser-projector more specifically.
Background technology
The picture size of conventional projector projection is determined at a distance from projection display screen by projecting apparatus, and distance is got over
Greatly, the picture of projection is bigger, and since the distance between projecting apparatus and projection display screen are larger, it is often unavoidable to have
Personnel walk about, stop the projected picture for either putting this meeting shield portions of other articles or whole, influence the effect of projection
And viewing property.
Invention content
The purpose of the present invention is to provide a kind of laser-projector, with solve to exist in the prior art existing projecting apparatus without
The technical issues of method satisfies the use demand.
To achieve the above object, the technical solution adopted by the present invention is：A kind of laser-projector is provided, is used for and projection
Screen is positioned over any horizontal plane with merging.The laser-projector includes main control board and laser projection, the laser
Projector includes for generating the ray machine of three color laser, docking and be used to receive the three colors laser with the ray machine and to it
It carries out being integrally formed the integration module for the projected light beam for being loaded with projection information, docked with the integration module and be used to conduct institute
State the projection lens of projected light beam and for receiving the projected light beam and being reflexed to the reflection knot of the projection screen
Structure, the ray machine are electrically connected with the main control board with the integration module and are controlled by the main control board, institute
Stating projection lens, there is the projection end projected for the projected light beam, the catoptric arrangement to include reflective sleeve frame, be set to reflection
Cover frame in reflecting component and for for the projected light beam project transmissive mirror, the reflective sleeve frame have reflector cavity and
The interface frame, mating frame mouth being connected to the reflector cavity and the exit wound of bullet for being projected for light beam, the interface frame, mating frame mouth of the reflective sleeve frame
It is socketed in the projection end of the projection lens, the reflecting component is fixed in the reflector cavity and its reflective surface is towards the throwing
Shadow end simultaneously towards it is upper inclination for the projected light beam inclination project, the transmissive mirror be placed in the exit wound of bullet and with institute
The reflective surface for stating reflecting component is parallel.
Further, the laser-projector further includes projecting shell and two pitching for being used for adjusting pitch angle
Adjustment structure, the projection shell have accommodating chamber and the projection mouth that be connected to the accommodating chamber, the main control board and
The laser projection is placed in the accommodating chamber, and the catoptric arrangement closes on the anterior cavity wall setting of the accommodating chamber, described
Projection mouth is opened in the upper surface of the projection shell, and the transmissive mirror is opposite with the projection mouth；
Each pitch regulation structure is butted on the horizontal plane and another set on the front end of the projection shell and one end
End connect height of the front end relative to the horizontal plane to adjust the projection shell with the following side of the projection shell
Degree.
Further, side has guide-lighting slot, the projection mouth to be opened in described to the projection shell to lower recess thereon
The rear side trough wall surface of the slot bottom of guide-lighting slot, the leaded light slot is from the slot bottom inclined light guiding surface in side backward.
Further, the pitch regulation structure includes driving link, driven gear and support element,
The driving link includes adjusting handle and is docked with the adjusting handle end face and same with the adjusting handle
The driving gear of rotation is walked, the diameter of the adjusting handle is more than the diameter of the driving gear, and the adjusting handle is in one
Handwheel hole is offered at the center of end face, the driving gear offers master gear hole, the hand at the center of one end
Wheel bore is opposite with the master gear hole and is connected to, and the driving gear is meshed with the driven gear；
The driven gear is equipped with adjustment hole at the center of one end, and the driven gear is axially limited in described
Accommodating chamber bottom of chamber；
The support element includes branch fastener for being butted on the horizontal plane and the spiral shell that one end is connect with the branch fastener
Line shaft；
The projection shell has protruded out fixing axle in the front side bottom of chamber of the accommodating chamber, and the fixing axle sequentially passes through institute
It states handwheel hole and the master gear hole and is rotatablely connected, a part is worn by the side chamber wall of the accommodating chamber in the adjusting handle
Go out to the external world, the projection shell offers inserting hole in the front side bottom of chamber of the accommodating chamber, in the threaded shaft with it is described
The opposite end of branch fastener sequentially passes through the inserting hole and the adjustment hole and is threadedly coupled with the adjustment hole, the branch
Fastener is located at the lower section of the projection shell.
Further, the cross section of the threaded shaft is in flat elliptic, the shape of the inserting hole and the screw thread
Shaft matches.
Further, the pitch regulation structure further includes the shockproof part being set in the accommodating chamber, the shockproof part packet
It includes the U-shaped pressboard in cross section and is consolidated towards the two of the direction elongation moulding mutually deviated from by two edges of boards of the pressboard
There is U-type groove, the pressboard to offer through hole, the driven gear with the U-type groove slot bottom for fixed board, the pressboard
The U-type groove is inserted in, the slot bottom of the U-type groove of the pressboard is butted on the driven gear, and the threaded shaft is through at described pass through
Through-hole, two fixed plates are fixed on the bottom of chamber of the accommodating chamber.
Further, the projecting apparatus includes cooling system, and the cooling system includes heat-conductive assembly and at least one solid
Due to the first induced draft structure in the accommodating chamber；
The heat-conductive assembly includes heat conduction plate, at least two heat conducting bars and heat dissipation group, and each heat conducting bar has the
One heat conduction end and the second heat conduction end opposite with first heat conduction end, the heat conduction plate are affixed on the ray machine,
First heat conduction end of each first heat conducting bar is connect with the heat conduction plate and second heat conduction end and the heat dissipation
Group connection is guiding the heat on the heat conduction plate to the heat dissipation group；
Each first induced draft structure has the first inlet scoop and the first exhaust outlet；
There is the projection lenses shell air inlet and at least one first air outlet, the heat dissipation group to be fixed on described
Air inlet, each first induced draft structure are respectively placed at first air outlet, first exhaust outlet and described the
One air outlet is opposite, and first inlet scoop is towards the main control board.
Further, the cooling system further includes the second induced draft structure being placed in the accommodating chamber, and described second draws
Wind structure has the second inlet scoop and the second exhaust outlet；
The projection shell offers the second air outlet in side thereafter, and second induced draft structure is set to described second
At air outlet, second exhaust outlet is opposite with second air outlet, and second inlet scoop is towards the laser projection
Machine.
Further, the air inlet and each first air outlet be placed in it is described projection shell the left and right sides,
Each first air outlet is arranged along the longitudinal direction.
Further, the laser-projector further includes multiple loud speakers being placed in the accommodating chamber, each described to raise
Sound device is electrically connected with the main control board, and is controlled by the main control board, and the projection shell is in the accommodating chamber
Cavity wall offer multiple loud-speaker openings, the pronunciation face of each loud speaker is facing with a loud-speaker opening respectively.
A kind of advantageous effect of laser-projector provided by the invention is：Ray machine in laser projection is for producing
Raw three color laser beams integrate module and three color laser beams are docked and received with ray machine and are integrated to three color laser beams
The projected light beam for being loaded with projection information is formed, projection lens docks and conduct projected light beam, the throwing of projection lens with module is integrated
Shadow end is docked with the interface frame, mating frame mouth of the reflective sleeve frame in catoptric arrangement, so that projected light beam is injected reflector cavity and set via inclination
It is projected on projection screen and is played out by exit wound of bullet in the reflecting component reflection in reflector cavity, wherein reflecting component is fixed on reflective
Intracavitary and its reflective surface direction projection end are simultaneously projected towards upper inclination so that projected light beam tilts, and transmissive mirror is placed in injection
Mouth is simultaneously parallel with the reflective surface of reflecting component, so that the projected light beam after reflection is projected to projection screen completely, therefore, after reflection
Projected light beam and horizontal plane between form angle, compared to existing projecting apparatus, which can close on projection screen
The distance between laser-projector and projection screen are effectively reduced in setting, and it is larger to be projected in the image area on curtain.
Therefore, it effectively prevent walking about, stopping the projected pictures of shield portions or whole due to either putting other articles because of personnel, shadow
The effect and viewing property for ringing projection, improve experience property of the user to laser-projector.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, embodiment or the prior art will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the one of the present invention
A little embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the partial perspective view of laser-projector provided in an embodiment of the present invention；
Fig. 2 is the partial perspective view that pitching adjusting mechanism provided in an embodiment of the present invention is placed in projection shell；
Fig. 3 is the partial perspective view of projection shell provided in an embodiment of the present invention；
Fig. 4 is the stereogram of pitching adjusting mechanism provided in an embodiment of the present invention；
Fig. 5 is another partial perspective view of laser-projector provided in an embodiment of the present invention；
Fig. 6 is the stereogram exploded view of heat dissipation group provided in an embodiment of the present invention；
Fig. 7 is the partial perspective view of projection shell provided in an embodiment of the present invention；
Fig. 8 is the enlarged drawing at A in Fig. 7；
Fig. 9 is the enlarged drawing at B in Fig. 7；
Figure 10 is the enlarged drawing at C in Fig. 7.
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,
The present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain this hair
It is bright, it is not intended to limit the 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
It is referred to as " being connected to " another element, it, which can be directly to another element or it, may pass through third member
It is indirectly coupled 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 relatively important
Property or implicitly indicate the quantity of indicated technical characteristic." first " is defined 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 two
More than, unless otherwise specifically defined.
Referring to Fig. 1, the embodiment of the present invention provides a kind of laser-projector, it is positioned over for matching to merge with projection screen
Any horizontal plane.Laser-projector includes main control board 100 and laser projection 200, and laser projection 200 includes being used for
The ray machine 210 of three color laser is generated, is docked with ray machine 210 and for receiving three color laser and be integrally formed being loaded with to it
The integration module 220 of the projected light beam of projection information docks with integration module 220 and is used to conduct the projection lens of projected light beam
First 230 and for receiving projected light beam and being reflexed to the catoptric arrangement 240 of projection screen, ray machine 210 with integrate module
220 are electrically connected with main control board 100 and are controlled by main control board 100, and projection lens 230 has for projected light beam
The projection end 231 projected, catoptric arrangement 240 include reflective sleeve frame 241, the reflecting component in reflective sleeve frame 241 (in figure
Be not shown) and transmissive mirror 242 for being projected for projected light beam, reflective sleeve frame 241 have reflector cavity (being not shown as in) with
And the interface frame, mating frame mouth 201 being connected to reflector cavity and the exit wound of bullet 202 for being projected for light beam, the interface frame, mating frame of reflective sleeve frame 241
Mouth 201 is socketed in the projection end 231 of projection lens 230, and reflecting component is fixed in reflector cavity and its reflective surface direction projection end
231 and towards upper inclination so that projected light beam inclination projects, transmissive mirror 242 is placed in exit wound of bullet 202 and anti-with reflecting component
Smooth surface is parallel.
In the present embodiment, the ray machine 210 in laser projection 200 is for generating three color laser beams, integrating module
220 dock and are received with ray machine 210 three color laser beams and be integrally formed being loaded with projection information to three color laser beams
Projected light beam, projection lens 230 docks and conduct projected light beam with module 220 is integrated, the projection end 231 of projection lens 230 and
The interface frame, mating frame mouth 201 of reflective sleeve frame 241 in catoptric arrangement 240 docks, so that projected light beam injects reflector cavity and via inclination
The reflecting component reflection being placed in reflector cavity, which is projected to by exit wound of bullet 202 on projection screen, to be played out, wherein reflecting component is fixed
It is projected in reflector cavity and its reflective surface direction projection end 231 and towards upper inclination so that projected light beam tilts, transmissive mirror
242 are placed in exit wound of bullet 202 and parallel with the reflective surface of reflecting component, so that the projected light beam after reflection is projected to projection completely
Therefore screen forms angle between the projected light beam and horizontal plane after reflection, compared to existing projecting apparatus, the laser projection
Instrument can close on projection screen setting, effectively reduce the distance between laser-projector and projection screen, and be projected on curtain
Image area it is larger.Therefore, it effectively prevent because personnel walk about, stop and either put other articles due to shield portions or complete
The projected picture in portion influences the effect and viewing property of projection, improves experience property of the user to laser-projector.
In the present embodiment, laser-projector further includes the drive circuit board 500 being electrically connected with main control board 100,
Drive circuit board is equipped with accessory module, and accessory module is electrically connected with drive circuit board 500, and the accessory module includes
Power module, audio-frequency module, video module etc. are connect with active circuits plate.In the present embodiment, drive circuit board is laid
On laser projection 200.
In the present embodiment, main control board 100 is equipped with connector group 110, and connector group 110 includes and master control
USB connector, HDMI connector, network interface connector, power connector and the headset connector that circuit board 100 is electrically connected, respectively
Connector is laid in the edge of main control board 100 and is connect with accessory module.In this way, can make laser-projector with it is outer
Portion's power supply, network, electronic equipment establish connection.
Please refer to Fig. 1 to Fig. 4, further, laser-projector further includes that projection shell 400 and two are used for
The pitch regulation structure 600 of adjusting pitch angle, projection shell 400 have accommodating chamber 401 and are connected to accommodating chamber 401
Mouth 405 is projected, main control board 100 is placed in laser projection 200 in accommodating chamber 401, and catoptric arrangement 240 closes on receiving
The anterior cavity wall of chamber 401 is arranged, and projection mouth 405 is opened in the upper surface of projection shell 400, transmissive mirror 242 and projection 405 phase of mouth
It is right.
Each pitch regulation structure 600 is set to the front end of projection shell 400 and one end is butted on horizontal plane and the other end
Portion connect the height of front end with respect to the horizontal plane to adjust projection shell 400 with the following side of projection shell 400.In this way,
By two pitch regulation structures 600, the height of the front end of projection shell 400 with respect to the horizontal plane can be adjusted at any time, that is, is adjusted
Save the angle between projected light beam and horizontal plane.
Referring to Fig. 1, further, there is guide-lighting slot 406 in side to projection shell 400 to lower recess thereon, projects mouth
405 are opened in the slot bottom of guide-lighting slot 406, and the rear side trough wall surface of guide-lighting slot 406 is from the slot bottom inclined light guiding surface in side 407 backward.
Please refer to Fig. 1 to Fig. 4, further, pitch regulation structure 600 includes driving link 610, driven gear 620
And support element 630.
Driving link 610 include adjusting handle 611 and dock with 611 end face of adjusting handle and with adjusting handle 611 together
The driving gear 612 of rotation is walked, the diameter of adjusting handle 611 is more than the diameter of driving gear 612, and adjusting handle 611 is in one
Handwheel hole (not shown) is offered at the center of end face, driving gear 612 offers main tooth at the center of one end
Wheel bore 601, handwheel hole is opposite with master gear hole 601 and is connected to, and driving gear 612 is meshed with driven gear 620.
Driven gear 620 is equipped with adjustment hole (not shown), the axial limit of driven gear 620 at the center of one end
Positioned at 401 bottom of chamber of accommodating chamber.
Support element 630 includes branch fastener 631 for being butted on horizontal plane and the screw thread that one end is connect with branch fastener 631
Shaft 632.
Projection shell 400 has protruded out fixing axle 410 in the front side bottom of chamber of accommodating chamber 401, and fixing axle 410 sequentially passes through hand
Wheel bore and master gear hole 601 are simultaneously rotatablely connected, and a part is pierced by by the side chamber wall of accommodating chamber 401 to outer in adjusting handle 611
Boundary, projection shell 400 offer inserting hole 408 in the front side bottom of chamber of accommodating chamber 401, in threaded shaft 632 with branch fastener 631
Opposite end sequentially passes through inserting hole 408 and adjustment hole and is threadedly coupled with adjustment hole, and branch fastener 631 is located at projection shell
400 lower section.
In the present embodiment, adjusting handle 611 is rotated, while driving gear 612 being driven to rotate synchronously, driving gear 612
It is meshed with driven gear 620, driving gear 612 drives driven gear 620 to rotate, threaded shaft 632 and driven gear 620
Adjustment hole be threadedly coupled, driven gear 620 is limited in the bottom of chamber of accommodating chamber 401 along its axis direction, then working as driven gear
When 620 rotation, driven gear 620 is shifted along the axis direction of threaded shaft 632, while driving the front end of projection shell 400
Portion with respect to the horizontal plane moves up and down, and realizes the height of the front end of projection shell 400 with respect to the horizontal plane, that is, adjusts projection
Angle between light beam and horizontal plane.
Please refer to Fig. 2 to Fig. 4, further, the cross section of threaded shaft 632 is in flat elliptic, inserting hole
408 shape matches with threaded shaft 632.In this way, threaded shaft 632 is effectively prevent to rotate.
Please refer to Fig. 1 drawing 4, further, pitch regulation structure 600 further includes being set in accommodating chamber 401 to prevent
Shake part 640, shockproof part 640 include the U-shaped pressboard 641 in cross section and by pressboard 641 two edges of boards towards mutually deviating from
Direction elongation moulding two fixed plates 642, pressboard 641 has U type grooves, and pressboard 641 offers with U-type groove slot bottom and pass through
Through-hole 602, driven gear 620 insert in U-type groove 603, and the slot bottom of the U-type groove 602 of pressboard 641 is butted on driven gear 620, spiral shell
Line shaft 632 is through at through hole 602, and two fixed plates 642 are fixed on the bottom of chamber of accommodating chamber 401.In this way, on the one hand realizing driven
On the other hand 620 axial limiting of gear when preventing from adjusting, generates vibration.
Please refer to Fig. 1, Fig. 5 to Fig. 7 and Fig. 9 and Figure 10, laser-projector further includes cooling system 300, heat dissipation
System 300 specifically includes heat-conductive assembly 310 and at least one first induced draft structure 320.
Heat-conductive assembly 310 includes heat conduction plate 311, at least two heat conducting bars 312 and heat dissipation group 313, each heat conducting bar
312 have the first heat conduction end 3101 and the second heat conduction end 3102 opposite with the first heat conduction end 3101, heat conduction plate
311 are affixed on ray machine 210, and the first heat conduction end 3101 of each first heat conducting bar 312 is connect with heat conduction plate 311 and the second heat conduction
End 3102 is connect with heat dissipation group 313 guiding the heat on heat conduction plate 311 to heat dissipation group 313.
Each first induced draft structure 320 has the first inlet scoop 321 and the first exhaust outlet 322.
Projection shell 400 has the air inlet 402 being connected to accommodating chamber 401 and at least one first air outlet 3303,
Heat dissipation group 313 is fixed at air inlet 402, and each first induced draft structure 320 is respectively placed at one first air outlet 403, first row
Air port 322 and the first air outlet 403 are opposite, and the first inlet scoop 321 is towards main control board 100.
In the present embodiment, main control board 100, laser projection 200, heat-conductive assembly 310 and each first air-introduced machine
Head is laid in the accommodating chamber 401 of projection shell 400, and heat conduction plate 311 is affixed on 210 side of ray machine in heat-conductive assembly 310,
First heat conduction end 3101 of each heat conducting bar 312 is connect with heat conduction plate 311 and the second heat conduction end 3102 and heat dissipation group
313 connections, guiding the heat on heat conduction plate 311 to heat dissipation group 313, heat dissipation group 313 is arranged far from ray machine 210, i.e.,
The heat that ray machine 210 is generated is drawn, and the heat dissipation effect of ray machine 210 is improved.Further, projection shell 400 is equipped with air inlet
402 and at least one first air outlet 403, wherein heat dissipation group 313 is placed at air inlet 402, each first induced draft structure 320
It is respectively placed at one first air outlet 403 and its first exhaust outlet 322 and the first air outlet 403 is opposite, the first inlet scoop 321
Towards main control board 100, in this way, wind is flowed successively by the introducing of air inlet 402 by least one first induced draft structure 320
After heat dissipation group 313, laser projection 200 and main control board 100, entered by the first inlet scoop 321 has first row successively again
Air port 322 and the discharge of the first air outlet 403, preferably improve the heat dissipation effect of main control board 100 and laser projection 200,
Extend the service life of the two.
In the present embodiment, air inlet 102 is provided with multiple, and each air inlet 402 is in strip.
In the present embodiment, first air outlet 403 opposite with any one first induced draft structure 320 is provided with multiple,
And each first air outlet 403 is in strip.
Please refer to Fig. 1, Fig. 9 and Figure 10, further, air inlet 402 and each first air outlet 403 are placed in
The left and right sides of shell 400 is projected, each first air outlet 403 is arranged along the longitudinal direction.In this way, distinguished and admirable left and right is thrown through entire
Shadow shell 400 preferably improves the heat dissipation effect of main control board 100 and laser projection 200.In the present embodiment, first
Induced draft structure 320 be fan, and along the longitudinal direction not only there are three.
Please refer to Fig. 1, Fig. 5 and Fig. 6, further, heat conduction plate 311 offers at least one in one side
Perforation draws hot hole 301 and in offering at least one thermal trough 302, each thermal trough 302 with 210 opposite facing plate face of ray machine
It is staggeredly arranged with hot hole 301 is drawn, a part corresponds simultaneously with hot hole 301 is respectively drawn at least two first heat conduction ends 3101
It is through at respectively and draws hot hole 301, another part corresponds with each thermal trough 302 and is respectively placed in a thermal trough 302.In this way, increasing
The contact area of big each first heat conduction end 3101 and heat conduction plate 311, contributes to the heat on heat conduction plate 311 rapidly
Amount transfers out, and further increases heat dissipation effect.
In the present embodiment, heat conduction plate 311 offers air inducing slot 303, air inducing slot 303 in the hole wall for respectively drawing hot hole 301
Extend along the length direction for drawing hot hole 301.In the present embodiment, air inducing slot 303 is passed through along the length direction for drawing hot hole 301
It is logical, for wind circulation, preferably to improve heat dissipation effect.
Alternatively, heat conduction plate 311 draws hot hole 301 in what one side offered at least two perforations, respectively
First heat conduction end 3101 is through at one and draws hot hole 301 respectively.
Alternatively, at least two heat conduction are offered with 210 opposite facing plate face of ray machine in heat conduction plate 311
Slot 302, each first heat conduction end 3101 are respectively placed in a thermal trough 302.
Please refer to Fig. 1, Fig. 5 and Fig. 6, further, heat dissipation group 313 has an at least two heat transfer holes 304, and each the
Two heat conduction ends 3102 are through at a heat transfer hole 304 respectively.In this way, being threaded through heat dissipation group 313 by the second heat conduction end 3102
Heat transfer hole 304, the contact area of the second heat conduction end 3102 and heat dissipation group 313 can be effectively increased, improve heat transfer efficiency, into
And improve heat dissipation effect.
In the present embodiment, hole wall of the heat dissipation group 313 in each heat transfer hole 304 is opened up along the length direction in heat transfer hole 304
There is ventilation slot 305.Each ventilation slot 305 each contributes to wind circulation, preferably improves the heat dissipation effect of heat dissipation group 313.
Heat dissipation group 313 has multiple vented cavities 306.In this way, preferably improving the heat dissipation effect of heat dissipation group 313.In this reality
It applies in example, an accent of vented cavity 306 is opposite with air inlet 402, and another accent the first air outlet 403 of direction.In this way, having
The flowing for helping accelerate wind, accelerates the heat dissipation to heat dissipation group 313.
Heat dissipation group 313 includes multiple radiating fins 3131 to stack together, two radiating fins 3131 of arbitrary neighborhood it
Between have vented cavity 306.
Please refer to Fig. 1, Fig. 5 and Fig. 6, further, cooling system 300 further includes at least one radiating piece 330,
Each radiating piece 330, which is affixed on, integrates module 220.
In the present embodiment, it integrates module 220 and is built-in with the DMD cores for receiving coloured light and going out the color emissions
Piece can effectively improve the heat dissipation effect for integrating module 220 by the setting of radiating piece 330, it is ensured that dmd chip works normally.
Radiating piece 330 includes main heat sink 331 and one end is connect with the plate face of main heat sink 331 and other end court
To the multiple radiating fins 332 extended away from main heat sink 331, each radiating fin 332 is spaced and is arranged in parallel, main to dissipate
It is affixed on 332 opposite facing plate face of each radiating fin in hot plate 331 and integrates module 220.Dissipating for module 220 is integrated in this way, improving
Hot area preferably improves the heat dissipation effect for integrating module 220.
Please refer to Fig. 1 and Fig. 5 to Fig. 8, further, cooling system 300 further includes being placed in accommodating chamber 401
The second induced draft structure 340, the second induced draft structure 340 have the second inlet scoop 341 and the second exhaust outlet 342.
Projection shell 400 offers the second air outlet 404 in side thereafter, and the second induced draft structure 340 is set to the second outlet air
At mouthfuls 404, relatively with the second air outlet 404, the second inlet scoop 341 is towards laser projection 200 for the second exhaust outlet 342.At this
In embodiment, the second induced draft structure 340 is centrifugal fan.
In the present embodiment, by the second induced draft structure 340, the heat dissipation effect of laser projection 200 can preferably be improved
Fruit.
In the present embodiment, the second air outlet 404 is provided with multiple.
Referring to Fig. 1, further, laser-projector further includes multiple loud speakers 700 being placed in accommodating chamber, is respectively raised
Sound device 700 is electrically connected with main control board 100, and is controlled by main control board 100, and projection shell 400 is in accommodating chamber 401
Cavity wall offer multiple loud-speaker openings 409, the pronunciation face of each loud speaker 700 is facing with a loud-speaker opening 409 respectively.In this way, rich
The functionality of rich laser-projector.
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 laser-projector is positioned over any horizontal plane, which is characterized in that the laser for matching to merge with projection screen
Projecting apparatus includes main control board and laser projection, the laser projection include for generate the ray machine of three color laser, with
The ray machine docks and is used to receive the three colors laser and carries out being integrally formed the projected light beam for being loaded with projection information to it
It integrates module, dock and be used to conduct the projection lens of the projected light beam and for receiving the throwing with the integration module
Shadow light beam and the catoptric arrangement for being reflexed to the projection screen, the ray machine are electric with the master control with the integration module
Road plate is electrically connected and is controlled by the main control board, and the projection lens has the projection projected for the projected light beam
End, the catoptric arrangement include reflective sleeve frame, the reflecting component in reflective sleeve frame and are used to project for the projected light beam
Transmissive mirror, the reflective sleeve frame has reflector cavity and the interface frame, mating frame mouth that is connected to the reflector cavity and for being penetrated for light beam
The interface frame, mating frame muzzle of the exit wound of bullet gone out, the reflective sleeve frame is connected on the projection end of the projection lens, and the reflecting component is fixed on
In the reflector cavity and its reflective surface is projected towards the projection end and towards upper inclination so that the projected light beam tilts, institute
It states transmissive mirror and is placed in the exit wound of bullet and parallel with the reflective surface of the reflecting component.
2. laser-projector as described in claim 1, which is characterized in that the laser-projector further include projection shell and
Two pitch regulation structures for being used for adjusting pitch angle, the projection shell have accommodating chamber and are connected to the accommodating chamber
Projection mouth, the main control board and the laser projection be placed in the accommodating chamber, and the catoptric arrangement closes on institute
The anterior cavity wall setting of accommodating chamber is stated, the projection mouth is opened in the upper surface of the projection shell, the transmissive mirror and the throwing
Shadow mouth is opposite；
Each pitch regulation structure is butted on the horizontal plane and the other end set on the front end of the projection shell and one end
Height of the front end relative to the horizontal plane to adjust the projection shell is connect with the following side of the projection shell.
3. laser-projector as claimed in claim 2, which is characterized in that the projection shell has side thereon to lower recess
Guide-lighting slot, the projection mouth are opened in the slot bottom of the guide-lighting slot, and the rear side trough wall surface of the leaded light slot is from slot bottom to rear side
Inclined light guiding surface.
4. laser-projector as claimed in claim 2, which is characterized in that the pitch regulation structure includes driving link, driven
Gear and support element,
The driving link includes adjusting handle and docks with the adjusting handle end face and turn with the adjusting handle is synchronous
Dynamic driving gear, the diameter of the adjusting handle are more than the diameter of the driving gear, and the adjusting handle is in one end
Center at offer handwheel hole, the driving gear offers master gear hole, the handwheel hole at the center of one end
Opposite with the master gear hole and be connected to, the driving gear is meshed with the driven gear；
The driven gear is equipped with adjustment hole at the center of one end, and the driven gear is axially limited in the accommodating chamber
Bottom of chamber；
The screw thread that the support element includes branch fastener for being butted on the horizontal plane and one end is connect with the branch fastener turns
Axis；
The projection shell has protruded out fixing axle in the front side bottom of chamber of the accommodating chamber, and the fixing axle sequentially passes through the handwheel
Hole and the master gear hole are simultaneously rotatablely connected, and a part is pierced by by the side chamber wall of the accommodating chamber to outer in the adjusting handle
Boundary, the projection shell offer inserting hole in the front side bottom of chamber of the accommodating chamber, in the threaded shaft with the branch fastener
Opposite end sequentially passes through the inserting hole and the adjustment hole and is threadedly coupled with the adjustment hole, and the branch fastener is located at
The lower section of the projection shell.
5. laser-projector as claimed in claim 4, which is characterized in that the cross section of the threaded shaft is in flattened oval
Shape, the shape of the inserting hole match with the threaded shaft.
6. laser-projector as claimed in claim 4, which is characterized in that the pitch regulation structure further includes being set to the appearance
Receive the shockproof part of intracavitary, the shockproof part include the U-shaped pressboard in cross section and by the pressboard two edges of boards towards phase
Two fixed plates of the direction elongation moulding mutually deviated from, the pressboard have U-type groove, the pressboard and the U-type groove slot bottom
Through hole is offered, the driven gear inserts in the U-type groove, and the slot bottom of the U-type groove of the pressboard is butted on the driven tooth
Wheel, the threaded shaft are through at the through hole, and two fixed plates are fixed on the bottom of chamber of the accommodating chamber.
7. the laser-projector as described in any one of claim 2 to 6, which is characterized in that the projecting apparatus includes that heat dissipation is
System, the cooling system includes heat-conductive assembly and at least one the first induced draft structure being fixed in the accommodating chamber；
The heat-conductive assembly includes heat conduction plate, at least two heat conducting bars and heat dissipation group, and each heat conducting bar has first to lead
Hot junction portion and the second heat conduction end opposite with first heat conduction end, the heat conduction plate are affixed on the ray machine, each institute
The the first heat conduction end for stating the first heat conducting bar is connect with the heat conduction plate and second heat conduction end connects with the heat dissipation group
It connects guiding the heat on the heat conduction plate to the heat dissipation group；
Each first induced draft structure has the first inlet scoop and the first exhaust outlet；
There is the projection lenses shell air inlet and at least one first air outlet, the heat dissipation group to be fixed on the air inlet
Place, each first induced draft structure are respectively placed at first air outlet, first exhaust outlet and first outlet air
Mouthful opposite, first inlet scoop is towards the main control board.
8. laser-projector as claimed in claim 7, which is characterized in that the cooling system further includes being placed in the accommodating chamber
The second interior induced draft structure, second induced draft structure have the second inlet scoop and the second exhaust outlet；
The projection shell offers the second air outlet in side thereafter, and second induced draft structure is set to second air outlet
Place, second exhaust outlet is opposite with second air outlet, and second inlet scoop is towards the laser projection.
9. laser-projector as claimed in claim 7, which is characterized in that the air inlet and each first air outlet point
It is placed in the left and right sides of the projection shell, each first air outlet is arranged along the longitudinal direction.
10. the laser-projector as described in any one of claim 2 to 6, which is characterized in that the laser-projector further includes
Multiple loud speakers being placed in the accommodating chamber, each loud speaker are electrically connected with the main control board, and by described
Main control board controls, and the projection shell offers multiple loud-speaker openings in the cavity wall of the accommodating chamber, each loud speaker
Pronunciation face is facing with a loud-speaker opening respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404134.8A CN108508685A (en) | 2018-04-28 | 2018-04-28 | A kind of laser-projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404134.8A CN108508685A (en) | 2018-04-28 | 2018-04-28 | A kind of laser-projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108508685A true CN108508685A (en) | 2018-09-07 |
Family
ID=63399736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810404134.8A Pending CN108508685A (en) | 2018-04-28 | 2018-04-28 | A kind of laser-projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108508685A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008145623A (en) * | 2006-12-08 | 2008-06-26 | Seiko Epson Corp | Projector |
| CN101976011A (en) * | 2010-09-03 | 2011-02-16 | 朱强 | MD short focus projection display device |
| US20110261033A1 (en) * | 2010-04-22 | 2011-10-27 | Sanyo Electric Co., Ltd. | Projection display device |
| JP2013041133A (en) * | 2011-08-17 | 2013-02-28 | Seiko Epson Corp | Projector |
| CN207067634U (en) * | 2017-05-17 | 2018-03-02 | 深圳市光峰光电技术有限公司 | A kind of adjusting bracket and projector |
| CN207264093U (en) * | 2017-09-13 | 2018-04-20 | 深圳创维数字技术有限公司 | Radiating subassembly and projecting apparatus |
-
2018
- 2018-04-28 CN CN201810404134.8A patent/CN108508685A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008145623A (en) * | 2006-12-08 | 2008-06-26 | Seiko Epson Corp | Projector |
| US20110261033A1 (en) * | 2010-04-22 | 2011-10-27 | Sanyo Electric Co., Ltd. | Projection display device |
| CN101976011A (en) * | 2010-09-03 | 2011-02-16 | 朱强 | MD short focus projection display device |
| JP2013041133A (en) * | 2011-08-17 | 2013-02-28 | Seiko Epson Corp | Projector |
| CN207067634U (en) * | 2017-05-17 | 2018-03-02 | 深圳市光峰光电技术有限公司 | A kind of adjusting bracket and projector |
| CN207264093U (en) * | 2017-09-13 | 2018-04-20 | 深圳创维数字技术有限公司 | Radiating subassembly and projecting apparatus |
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Application publication date: 20180907 |
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