CN208188559U - A kind of cooling system and laser-projector - Google Patents
A kind of cooling system and laser-projector Download PDFInfo
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- CN208188559U CN208188559U CN201820638173.XU CN201820638173U CN208188559U CN 208188559 U CN208188559 U CN 208188559U CN 201820638173 U CN201820638173 U CN 201820638173U CN 208188559 U CN208188559 U CN 208188559U
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- thermally conductive
- heat dissipation
- cooling system
- air inlet
- heat
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Abstract
The utility model relates to projection display technique fields, a kind of cooling system and laser-projector are specifically provided, thermally conductive plate is affixed on ray machine side in heat-conductive assembly, the first of each heat conducting bar draws that hot end portion is connect with thermally conductive plate and second draws hot end portion and connect with heat dissipation group, the heat on thermally conductive plate to be guided to the heat dissipation effect for improving ray machine to heat dissipation group.Further, it projects shell and is equipped with air inlet and at least one first air outlet, wherein, heat dissipation group is placed in air inlet, each first induced draft structure is respectively placed at one first air outlet and its first exhaust outlet is opposite with the first air outlet, first air inlet is towards main control board, in this way, wind is introduced by air inlet followed by heat dissipation group by least one first induced draft structure, after laser projection and main control board, being entered again by the first air inlet successively has the first exhaust outlet and the discharge of the first air outlet, preferably improve the heat dissipation effect of main control board and laser projection, extend the service life of the two.
Description
Technical field
The utility model belongs to projection display technique field, is to be related to a kind of cooling system and laser is thrown more specifically
Shadow instrument.
Background technique
Core apparatus is laser projection in laser-projector, and laser projection is controlled by main control board, laser projection
Machine is to transmit frame out using laser beam.Wherein the optical component of laser projection is mainly by redgreenblue light valve, conjunction
Beam X prism, projection lens and driving light valve.There is three color laser of red, green, blue in laser projection.Laser passes through in machine
It is transmitted to X prism again after the expanding of corresponding optical element and processing chip to integrate three beams of laser, then again by projection objective
Laser after integration is transmitted on projection screen, entire laser projection is completed and shows process.
It is respectively laser projection and main control board, laser that two more big modules of heat are generated in laser-projector
Projector is to generate the more laser of thermal energy as light source, and the long-time use of laser projection can generate a large amount of thermal energy, by
It is again very sensitive to temperature in the electronic component in laser-projector, in order to guarantee the normal operation of each electronic component, usually
The radiating mode used is lays cooling fin, with increasing heat radiation area, however, this radiating mode has been unable to satisfy laser projection
The heat dissipation of instrument.
Utility model content
The purpose of this utility model is to provide a kind of cooling system and laser-projectors, to solve to exist in the prior art
It is radiated by the way of laying cooling fin to main control board and laser projection, which has been unable to satisfy two
The technical issues of radiating requirements of person.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of cooling system, for for master control
Circuit board and laser projection radiate, the laser projection include ray machine for generating three color laser and with institute
Ray machine is stated to dock and be used to receive the three colors laser and it is carried out to be integrally formed the whole of the projected light beam for being loaded with projection information
Block is molded, the ray machine is integrated module and be electrically connected with the main control board with described, and is controlled by the main control board.
The cooling system includes:
Heat-conductive assembly comprising thermally conductive plate, at least two heat conducting bars and heat dissipation group, each heat conducting bar have first
Thermally conductive end and the second thermally conductive end opposite with the described first thermally conductive end, the thermally conductive plate are affixed on the ray machine, respectively
First thermally conductive end of first heat conducting bar is connect with the thermally conductive plate and the second thermally conductive end and the heat dissipation group
Connection is guiding the heat on the thermally conductive plate to the heat dissipation group；
First induced draft structure, for first induced draft structure at least provided with one, each first induced draft structure has the
One air inlet and the first exhaust outlet；
Shell is projected, the projection shell is with for accommodating the main control board, the laser projection, described leading
The accommodating chamber of hot component and each first induced draft structure and the air inlet being connected to the accommodating chamber and at least one first
Air outlet, the heat dissipation group are fixed on the air inlet, and each first induced draft structure is respectively placed in first outlet air
At mouthful, first exhaust outlet is opposite with first air outlet, and first air inlet is towards the main control board.
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 thermally conductive plate in one side offer at least one perforation draw hot hole and in the light
The opposite facing plate face of machine offers at least one thermal trough, and each thermal trough is staggeredly arranged with the hot hole that draws, and at least two
In the first thermally conductive end a part with it is each it is described draw hot hole correspond and be through at respectively it is described draw hot hole, another part with
Each thermal trough corresponds and is respectively placed in a thermal trough.
Alternatively, the thermally conductive plate offers the hot hole that draws of at least two perforations, each institute in one side
State the first thermally conductive end be through at one respectively described in draw hot hole.
Alternatively, to offer at least two with the opposite facing plate face of the ray machine in the thermally conductive plate thermally conductive
Slot, each first thermally conductive end are respectively placed in a thermal trough.
Further, the heat dissipation group has at least two heat transfer holes, and each second thermally conductive end is through at one respectively
The heat transfer hole.
Further, the heat dissipation group has multiple vented cavities.
Further, the cooling system further includes at least one radiating piece, and each radiating piece, which is affixed on, described integrates mould
Block.
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 air inlet 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 and goes out
At air port, second exhaust outlet is opposite with second air outlet, and second air inlet is towards the laser projection.
The utility model embodiment also provides a kind of laser-projector, including such as above-mentioned cooling system.
The beneficial effect of a kind of cooling system and laser-projector provided by the utility model is: main control board swashs
Light projector, heat-conductive assembly and each first air inducing head are uniformly set in the accommodating chamber of projection shell, thermally conductive in heat-conductive assembly
Plate is affixed on ray machine side, and the thermally conductive end of the first of each heat conducting bar is connect with thermally conductive plate and the second thermally conductive end and heat dissipation group
Connection, guiding the heat on thermally conductive plate to heat dissipation group, heat dissipation group is arranged far from ray machine, i.e., the heat generated ray machine
It draws, improves the heat dissipation effect of ray machine.Further, projection shell is equipped with air inlet and at least one first air outlet, wherein
Heat dissipation group is placed in air inlet, and each first induced draft structure is respectively placed at one first air outlet and its first exhaust outlet goes out with first
Air port is opposite, and the first air inlet is towards main control board, in this way, being drawn wind by air inlet by least one first induced draft structure
Enter followed by after heat dissipation group, laser projection and main control board, entered by the first air inlet successively has the first exhaust outlet again
It is discharged with the first air outlet, preferably improves the heat dissipation effect of main control board and laser projection, extend the two uses the longevity
Life.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the partial perspective view of laser-projector provided by the embodiment of the utility model；
Fig. 2 is another partial perspective view of laser-projector provided by the embodiment of the utility model；
Fig. 3 is the stereogram exploded view of heat dissipation group provided by the embodiment of the utility model；
Fig. 4 is the partial perspective view of projection shell provided by the embodiment of the utility model；
Fig. 5 is the enlarged drawing in Fig. 4 at A；
Fig. 6 is the enlarged drawing in Fig. 4 at B；
Fig. 7 is the enlarged drawing in Fig. 4 at C.
Wherein, each appended drawing reference in figure:
| Main control board | 100 | Laser projection | 200 |
| Ray machine | 210 | Integrate module | 220 |
| Cooling system | 300 | Heat-conductive assembly | 310 |
| Thermally conductive plate | 311 | Heat conducting bar | 312 |
| Heat dissipation group | 313 | First thermally conductive end | 3101 |
| Second thermally conductive end | 3102 | First induced draft structure | 320 |
| First air inlet | 321 | First exhaust outlet | 322 |
| Project shell | 400 | Accommodating chamber | 401 |
| Air inlet | 402 | First air outlet | 403 |
| Draw hot hole | 301 | Thermal trough | 302 |
| Air inducing slot | 303 | Heat transfer hole | 304 |
| Ventilation slot | 305 | Vented cavity | 306 |
| Radiating fin | 3131 | Radiating piece | 330 |
| Main heat sink | 331 | Radiating fin | 332 |
| Second induced draft structure | 340 | Second air inlet | 341 |
| Second exhaust outlet | 342 | Second air outlet | 404 |
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that it can directly exist when element is referred to as on " being fixed on " or " being set to " another element
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 the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting 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 of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Please refer to Fig. 1 to Fig. 4, Fig. 6 and Fig. 7, the utility model embodiment provides a kind of cooling system, for for master
Control circuit board 100 and laser projection 200 radiate, and laser projection 200 includes the ray machine for generating three color laser
It 210 and is docked with ray machine 210 and for receiving three color laser and carry out being integrally formed the projected light for being loaded with projection information to it
The integration module 220 of beam, ray machine 210 with integrate module 220 and be electrically connected with main control board 100, and be controlled by governor circuit
Plate 100.Cooling system 300 specifically includes as follows:
Heat-conductive assembly 310 comprising thermally conductive plate 311, at least two heat conducting bars 312 and heat dissipation group 313, each heat conducting bar
312 have the first thermally conductive end 3101 and the second thermally conductive end 3102 opposite with the first thermally conductive end 3101, thermally conductive plate
311 are affixed on ray machine 210, and the thermally conductive end 3101 of the first of each first heat conducting bar 312 is connect with thermally conductive plate 311 and the second thermally conductive end
Portion 3102 is connect guiding the heat on thermally conductive plate 311 to heat dissipation group 313 with heat dissipation group 313；
First induced draft structure 320, for the first induced draft structure 320 at least provided with one, each first induced draft structure 320 has the
One air inlet 321 and the first exhaust outlet 322；
Shell 400 is projected, projection shell 400 has for accommodating main control board 100, laser projection 200, thermally conductive group
The accommodating chamber 401 and the air inlet 402 being connected to accommodating chamber 401 of part 310 and each first induced draft structure 320 and at least one
One air outlet 3303, heat dissipation group 313 are fixed at air inlet 402, and each first induced draft structure 320 is respectively placed in one first air outlet
At 403, the first exhaust outlet 322 and the first air outlet 403 are opposite, and the first air inlet 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 thermally conductive plate 311 is affixed on 210 side of ray machine in heat-conductive assembly 310, respectively
The thermally conductive end 3101 of the first of heat conducting bar 312 is connect with thermally conductive plate 311 and the second thermally conductive end 3102 connects with heat dissipation group 313
It connects, guiding the heat on thermally conductive plate 311 to heat dissipation group 313, heat dissipation group 313 is arranged far from ray machine 210, i.e., by ray machine
210 heats generated are drawn, and the heat dissipation effect of ray machine 210 is improved.Further, projection shell 400 is equipped with air inlet 402 and extremely
Few first air outlet 403, wherein heat dissipation group 313 is placed at air inlet 402, and each first induced draft structure 320 is respectively placed in one
At first air outlet 403 and its first exhaust outlet 322 and the first air outlet 403 are opposite, and the first air inlet 321 is towards governor circuit
Plate 100, in this way, being introduced by least one first induced draft structure 320 by wind by air inlet 402 followed by heat dissipation group 313, being swashed
After light projector 200 and main control board 100, entered by the first air inlet 321 successively has the first exhaust outlet 322 and first to go out again
Air port 403 is discharged, and preferably improves the heat dissipation effect of main control board 100 and laser projection 200, and extend the two uses the longevity
Life.
In the present embodiment, air inlet 102 is provided with multiple, and each air inlet 402 is in long 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 long strip.
Please refer to Fig. 1, Fig. 6 and Fig. 7, further, air inlet 402 and each first air outlet 403 are placed in throwing
The left and right sides of shadow shell 400, each first air outlet 403 are arranged along the longitudinal direction.In this way, distinguished and admirable left and right is outer through entire projection
Shell 400 preferably improves the heat dissipation effect of main control board 100 and laser projection 200.In the present embodiment, the first air inducing
Structure 320 be fan, and along the longitudinal direction not only there are three.
Please refer to Fig. 1 to Fig. 3, further, thermally conductive plate 311 offers at least one perforation in one side
Draw hot hole 301 and in offering at least one thermal trough 302 with the opposite facing plate face of ray machine 210, each thermal trough 302 with draw hot hole
301 are staggeredly arranged, at least two first thermally conductive ends 3101 a part with respectively draw the one-to-one correspondence of hot hole 301 and be through at draw respectively
Hot hole 301, another part and each thermal trough 302 correspond and are respectively placed in a thermal trough 302.It is led in this way, increasing each first
The contact area in hot end portion 3101 and thermally conductive plate 311 helps rapidly to transfer out the heat on thermally conductive plate 311, into
One step improves heat dissipation effect.
In the present embodiment, thermally conductive 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, to for wind circulation, preferably raising heat dissipation effect.
Alternatively, thermally conductive plate 311 draws hot hole 301 in what one side offered at least two perforations, respectively
First thermally conductive end 3101 is through at one respectively and draws hot hole 301.
Alternatively, at least two thermal troughs are offered with the opposite facing plate face of ray machine 210 in thermally conductive plate 311
302, each first thermally conductive end 3101 is respectively placed in a thermal trough 302.
Please refer to Fig. 1 to Fig. 3, further, heat dissipation group 313 has at least two heat transfer holes 304, and each second is thermally conductive
End 3102 is through at a heat transfer hole 304 respectively.In this way, being threaded through the heat transfer of heat dissipation group 313 by the second thermally conductive end 3102
Hole 304 can effectively increase the contact area of the second thermally conductive end 3102 and heat dissipation group 313, improve heat transfer efficiency, and then improve and dissipate
Thermal 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 and air inlet 402 for vented cavity 306 is opposite, and another accent the first air outlet 403 of direction.In this way, helping
In the flowing for accelerating wind, accelerate 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 to Fig. 3, further, cooling system 300 further includes at least one radiating piece 330, each to radiate
Part 330, which is affixed on, integrates module 220.
In the present embodiment, integrate module 220 be built-in with for receive coloured light and by the color emissions go out DMD core
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 direction
The multiple radiating fins 332 extended away from main heat sink 331, each radiating fin 332 are spaced apart from each other and are arranged in parallel, main heat sink
It is affixed in 331 with the opposite facing plate face of each radiating fin 332 and integrates module 220.In this way, improving the radiating surface for integrating module 220
Product preferably improves the heat dissipation effect for integrating module 220.
Please refer to Fig. 1 to Fig. 5, further, cooling system 300 further includes that second be placed in accommodating chamber 401 is drawn
Wind structure 340, the second induced draft structure 340 have the second air inlet 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 air inlet 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.
In the present embodiment, the second air outlet 404 is provided with multiple.
The utility model embodiment also provides a kind of laser-projector, including such as above-mentioned cooling system 300.
Referring to Fig. 1, in the present embodiment, above-mentioned cooling system 300 is applied in laser-projector, it is on the one hand real
Show main control board 100 preferably to radiate with laser projection 200, on the other hand, it helps project its in shell 400
The heat dissipation of his component, makes laser-projector run well, and extends the service life of laser-projector.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of cooling system, for radiating for main control board and laser projection, the laser projection includes
For generating the ray machine of three color laser and docking and be used to receive the three colors laser with the ray machine and integrated to it
Formed be loaded with projection information projected light beam integration module, the ray machine and it is described integrate module with the main control board
Electrical connection, and is controlled by the main control board, which is characterized in that the cooling system includes:
Heat-conductive assembly comprising thermally conductive plate, at least two heat conducting bars and heat dissipation group, each heat conducting bar are thermally conductive with first
End and the second thermally conductive end opposite with the described first thermally conductive end, the thermally conductive plate is affixed on the ray machine, each described
The thermally conductive end of the first of first heat conducting bar is connect with the thermally conductive plate and the second thermally conductive end is connect with the heat dissipation group
Guiding the heat on the thermally conductive plate to the heat dissipation group；
First induced draft structure, for first induced draft structure at least provided with one, each first induced draft structure has first to inhale
Air port and the first exhaust outlet；
Project shell, the projection shell is with for accommodating the main control board, laser projection, thermally conductive group described
The accommodating chamber and the air inlet being connected to the accommodating chamber and at least one first outlet air of part and each first induced draft structure
Mouthful, the heat dissipation group is fixed on the air inlet, and each first induced draft structure is respectively placed at first air outlet,
First exhaust outlet is opposite with first air outlet, and first air inlet is towards the main control board.
2. cooling system as described in claim 1, which is characterized in that the air inlet and each first air outlet are split
In the left and right sides of the projection shell, each first air outlet is arranged along the longitudinal direction.
3. cooling system as described in claim 1, which is characterized in that the thermally conductive plate offers at least two in one side
Hot hole is drawn in a perforation, each first thermally conductive end be through at one respectively described in draw hot hole.
4. cooling system as described in claim 1, which is characterized in that in the thermally conductive plate with the opposite facing plate of the ray machine
Face offers at least two thermal troughs, and each first thermally conductive end is respectively placed in a thermal trough.
5. cooling system as described in claim 1, which is characterized in that the thermally conductive plate offers at least one in one side
A perforation draws hot hole and in offering at least one thermal trough, each thermal trough and institute with the opposite facing plate face of the ray machine
It states and draws hot hole and be staggeredly arranged, a part corresponds and distinguishes with each hot hole that draws in at least two first thermally conductive ends
Draw hot hole described in being through at, another part and each thermal trough correspond and be respectively placed in a thermal trough.
6. the cooling system as described in any one of claims 1 to 5, which is characterized in that the heat dissipation group has at least two
Heat transfer hole, each second thermally conductive end is through at a heat transfer hole respectively.
7. the cooling system as described in any one of claims 1 to 5, which is characterized in that the heat dissipation group has multiple ventilations
Chamber.
8. the cooling system as described in any one of claims 1 to 5, which is characterized in that the cooling system further includes at least
One radiating piece, each radiating piece, which is affixed on, described integrates module.
9. the cooling system as described in any one of claims 1 to 5, which is characterized in that the cooling system further includes being placed in
The second induced draft structure in the accommodating chamber, second induced draft structure have the second air inlet 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 air inlet is towards the laser projection.
10. a kind of laser-projector, which is characterized in that including cooling system as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638173.XU CN208188559U (en) | 2018-04-28 | 2018-04-28 | A kind of cooling system and laser-projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638173.XU CN208188559U (en) | 2018-04-28 | 2018-04-28 | A kind of cooling system and laser-projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208188559U true CN208188559U (en) | 2018-12-04 |
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ID=64432110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820638173.XU Expired - Fee Related CN208188559U (en) | 2018-04-28 | 2018-04-28 | A kind of cooling system and laser-projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208188559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987465A (en) * | 2021-03-09 | 2021-06-18 | 深圳市火乐科技发展有限公司 | Heat dissipation device and projection equipment |
| US11914275B2 (en) | 2021-05-12 | 2024-02-27 | Coretronic Corporation | Projection device having casing with baffle |
-
2018
- 2018-04-28 CN CN201820638173.XU patent/CN208188559U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112987465A (en) * | 2021-03-09 | 2021-06-18 | 深圳市火乐科技发展有限公司 | Heat dissipation device and projection equipment |
| CN112987465B (en) * | 2021-03-09 | 2022-10-04 | 深圳市火乐科技发展有限公司 | Heat dissipation device and projection equipment |
| US11914275B2 (en) | 2021-05-12 | 2024-02-27 | Coretronic Corporation | Projection device having casing with baffle |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |