CN102315180A - Electronic device with heat radiating function and heat radiating module - Google Patents
Electronic device with heat radiating function and heat radiating module Download PDFInfo
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- CN102315180A CN102315180A CN2010102263450A CN201010226345A CN102315180A CN 102315180 A CN102315180 A CN 102315180A CN 2010102263450 A CN2010102263450 A CN 2010102263450A CN 201010226345 A CN201010226345 A CN 201010226345A CN 102315180 A CN102315180 A CN 102315180A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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Abstract
The invention discloses an electronic device with a heat radiating function. The electronic device comprises at least one semiconductor element, a supporting element and a heat radiating module, wherein the supporting element is used for fixing the semiconductor element; the heat radiating module comprises an elastic film and a driving device; and the driving device drives the elastic film to move or vibrate through magnetism reversal so as to push air or serves a valve for guiding the air, and airflows are generated in such as way to radiate heat for the semiconductor element.
Description
Technical field
The present invention relates to electronic installation, refer to a kind of electronic installation especially with active radiating module.Into person is arranged especially, and the present invention further provides a kind of radiating module that is used for electronic installation.
Background technology
Semiconductor element, for example led chip (LED chip), CPU (central processing unit) or GPU (graphic process unit) have been widely used in electronic installations such as LED light fixture, computer or display card.Wherein, CPU or GPU are under high-speed computation; Tend to produce high heat; Common technology is taken the heat energy that CPU or GPU were generated outside the electronic installation out of with the air-flow that the fan-type radiating module is produced at present, to avoid waiting semiconductor element to surpass the nominal operation temperature, causes the component wear that can't reply.
Likewise, led chip converts in the process of luminous energy at electric energy, also can produce high heat, because the luminous efficiency of led chip and the characteristic that working temperature is inversely proportional to, for example the every rising of led chip is 10 ℃, will cause light decay 5～8%, and cause reduce by half useful life.Therefore, with regard to LED light fixture speech, the quality of its radiating effect, often affect the brightness and the useful life of LED light fixture.
Promptly the LED light fixture with in the streets existing incandescent lamp bulb appearance is an example, in order can successfully the heat energy that led chip distributed to be derived, between glass lamp shade to helical metal lamp holder, is provided with a passive heat radiation module usually; Radiating module is by metal, and for example aluminium alloy is processed a taper case, and case surface ring is established a plurality of fins; Through increasing area of dissipation; Because case is the radiating efficiency that provides bigger, so that takies the most area of LED light fixture, except that visually producing the association with existing incandescent lamp bulb; And significant disadvantage is; The weight of case is too heavy, and the passive heat radiation module can only handle the heat energy that about 400 lumens of brightness are produced, and therefore can't be applicable to the high-brightness LED light fixture.
Disappearance based on aforementioned passive heat radiation module; Also there is the dealer to be provided with an active radiating module in the LED of incandescent lamp bulb appearance lamp interior; Device is a miniature radiator fan, for example ball-type or maglev type fan, and the LED lamp surface is then offered inlet channel and heat dissipation channel.After the led chip of LED light fixture was lighted, radiator fan also started running, and air is got into from inlet channel, and in the process by the heat dissipation channel discharge, with air-flow the heat energy that led chip was produced was taken out of outside the LED light fixture, so can obtain preferable radiating effect.Only the shortcoming of aforementioned miniature radiator fan is that cost is higher, and dust is accumulated on the covering of the fan easily, and influences useful life.
Summary of the invention
A purpose of the present invention is to provide a kind of electronic installation with heat sinking function, and electronic installation inside is provided with an active radiating module, for example blast-type cooling module; It has designs simplification compared to miniature radiator fan; Cheap, long service life, and the advantage that effectively reduces noise.
For reaching aforesaid purpose, the technological means that the present invention taked provides a kind of electronic installation with heat sinking function, comprising: at least one semiconductor element; One support component is in order to fixing semiconductor element; An and radiating module; Above-mentioned radiating module comprises an elastic membrane and a drive unit; Drive unit through reversal of magnetism driving elastic membrane and move or to vibrate, so that pushing air or as the valve direct air produces air-flow through this semiconductor element is dispelled the heat.
Another object of the present invention is to provide a kind of radiating module that is used for semiconductor element; Radiating module can be via modularized design, and has the convenience of assembling, and the blast-type cooling module has simple in structure compared to miniature radiator fan; Cheap, and the advantage that effectively reduces noise.
For reaching aforesaid purpose; The technological means that the present invention taked provides a kind of radiating module that is used for electronic installation, and electronic installation comprises semiconductor element, and aforesaid semiconductor element is fixed through a support component; Radiating module comprises an elastic membrane and a drive unit; Drive unit through reversal of magnetism driving elastic membrane and move or to vibrate, so that pushing air or as the valve direct air produces air-flow through this semiconductor element is dispelled the heat.
Description of drawings
Figure 1A is according to the first embodiment of the present invention, and elastic membrane moves downwards, and face is kept smooth, so that push air downwards;
Figure 1B is according to the first embodiment of the present invention, and elastic membrane moves and causes vibration under the film lateral to the top, to flow downward as the valve direct air;
Fig. 2 A is according to the first embodiment of the present invention, and elastic membrane moves to the top, and face is kept smooth, so that upwards push air;
Fig. 2 B is according to the first embodiment of the present invention, and elastic membrane is vibrated toward moving down and cause on the film lateral, upwards to flow as the valve direct air;
Fig. 3 A is according to the first embodiment of the present invention, and elastic membrane is incorporated into the framework lower surface, drives framework through movable part and moves down, and causes elastic membrane integral body to be close to framework, with the pushing air flows downward;
Fig. 3 B is according to the first embodiment of the present invention, and elastic membrane is incorporated into the framework lower surface, drives framework through movable part and moves up, and causes elastic membrane peripheral part to leave framework, to flow downward as the valve direct air;
Fig. 4 A is according to the first embodiment of the present invention, a kind of design of support component;
Fig. 4 B is according to the first embodiment of the present invention, the design of another kind of support component;
The three-dimensional exploded view of Fig. 5 a third embodiment in accordance with the invention LED light fixture;
The sketch map of Fig. 6 a third embodiment in accordance with the invention voltage conversion unit;
The three-dimensional exploded view of Fig. 7 a third embodiment in accordance with the invention radiating module;
Stereogram after Fig. 8 a third embodiment in accordance with the invention LED light fixture group is upright;
Profile after Fig. 9 a third embodiment in accordance with the invention LED light fixture group is upright; And
Figure 10 a to Figure 10 c a third embodiment in accordance with the invention radiating module carries out the sketch map of air blast action.
Embodiment
The first embodiment of the present invention discloses a kind of electronic installation with heat sinking function, comprising: at least one semiconductor element, for example: led chip (chip), CPU (central processing unit) or GPU (graphic process unit); One support component is in order to fixing semiconductor element; An and radiating module; Above-mentioned radiating module comprises an elastic membrane and a drive unit; Drive unit through reversal of magnetism to drive elastic membrane and move or to vibrate (moving or vibrating); So that pushing air or as the valve direct air produces air-flow through this semiconductor element is dispelled the heat.
In a preferred embodiment, elastic membrane 623 can move downwards or move to the top, but 623 meetings of elastic membrane produce vibration at some specific directions.See also Figure 1A and Figure 1B; Arrow A is represented elastic membrane 623 moving directions, and arrow B is represented air-flow direction, and Figure 1A shows that elastic membrane 623 moves down; Face is kept smooth; So that push air downwards, Figure 1B shows that elastic membrane 623 moves up and causes under the film lateral vibration, to flow downward as the valve direct air.Relatively, the situation of Fig. 2 A and 2B is opposite with Figure 1B with Figure 1A just, and elastic membrane 623 causes on the film lateral when moving down to be vibrated, and therefore, the direction of gas flow is also opposite with Figure 1A and Figure 1B.
In present embodiment, above-mentioned drive unit comprises a fixture and a movable part, drive movable part through reversal of magnetism and move with respect to fixture, and elastic membrane is incorporated on the movable part.
Among the above-mentioned fixture and movable part, one of which has a permanent magnetism element, and another has an electromagnetic component, through importing a voltage change signal to electromagnetic component, so that electromagnetic component produces the mechanical energy of repelling each other or inhaling mutually with the permanent magnetism element.Preferable, above-mentioned voltage change signal is the periodic voltage variable signal, and its frequency can be adjusted, through the size of these regulation and control through throughput.
In another preferred embodiment; Please refer to shown in Fig. 3 A and Fig. 3 B; Movable part further comprises a framework (frame) 621, and it is in order to combine elastic membrane 623, and framework 621 has a relative first surface and a second surface; For example upper surface and lower surface, framework 621 have perforation (throughhole) 622 air feed stream to be passed through.Above-mentioned elastic membrane 623 is attached at the lower surface of framework 621, cover part or whole perforation, and the middle body of elastic membrane 623 is incorporated on the framework 621, and its peripheral part is unfixing; Driving said frame 621 through movable part moves toward lower surface or upper surface direction; Cause elastic membrane 623 integral body to be close to framework 621 or elastic membrane 623 peripheral part leave framework 621; Flow downward with the pushing air flows downward or as the valve direct air, thereby produce air-flow; Preferable, be the air-flow of one-way flow.
In another preferred embodiment; Among the above-mentioned fixture and movable part, fixture has the permanent magnetism element, and movable part has electromagnetic component; And movable part further connects a flexible member; Repelling each other or inhaling the distortion that motion causes flexible member mutually of movable part and fixture through the elastic restoring force of flexible member, carried out corresponding counter motion to drive movable part.
In the present embodiment; Support component can be divided into two big types: first kind support component provides heat sinking function; Can use metal material, its design principle is to increase and the semiconductor element contact area as far as possible, for example face contact; To remove heat that semiconductor element is produced fast, remove the heat of support component accumulation again through the type of cooling; Second type of support component do not provide heat sinking function, can use plastic material, and its design principle is to expose semiconductor element as far as possible, with convenient directly cooling semiconductor element.
First kind support component is illustrated, please refer to shown in Fig. 4 A, support component 2 can be a cooling base (heat sink), allows cooling blast contact cooling base.Preferable, cooling base designs for boss, and semiconductor element 1 is fixed in the boss end face, and cooling blast contact boss bottom surface.
Second type of support component illustrated, please refer to shown in Fig. 4 B, support component 2 part contact semiconductor elements 1, for example annular contact is to expose the most area of semiconductor element 1, the surface of the direct contact semiconductor element 1 of air-flow.When semiconductor element 1 was led chip, it had a light-emitting area and a real estate, and support component 2 parts contact led chip is to expose the most area of light-emitting area and/or real estate, the light-emitting area and/or the real estate of the direct contact semiconductor element of air-flow.
The real estate material of above-mentioned led chip one of comprises in the following group: sapphire (sapphire), silicon and metal (for example aluminium, copper ...), be existing skill owing to have the led chip of different substrate material, do not intend at this and giving unnecessary details.
The second embodiment of the present invention discloses a kind of radiating module that is used for electronic installation; Electronic installation comprises semiconductor element; For example: led chip (chip), CPU (central processing unit) or GPU (graphic process unit); Aforesaid semiconductor element is fixed through a support component, and above-mentioned radiating module comprises: an elastic membrane and a drive unit, and drive unit moves with the driving elastic membrane through reversal of magnetism or vibrates; So that push air or, produce air-flow in order to semiconductor element is dispelled the heat through this as the valve direct air.
In present embodiment, above-mentioned drive unit comprises a fixture and a movable part, drive movable part through reversal of magnetism and move with respect to fixture, and elastic membrane is incorporated on the movable part.
In present embodiment, the structure of elastic membrane and drive unit (comprising a fixture and a movable part) is identical with first embodiment with selection.
The third embodiment of the present invention discloses a kind of LED light fixture with radiating module, to shown in Figure 9, comprises at least one led chip 1, one support component 2, one spacer elements 3, one cases 4, one lampshades 5, one radiating modules 6 like Fig. 5, and 7 in a lamp holder combines.
Led chip 1 is connected on the aluminium extruded substrate 11, so that led chip 1 is connected with circuit on the aluminium extruded substrate 11.
Wherein, support component 2 can be the cooling base of circular cone appearance, and its end face offers two or above through hole 21, and for provide support element 2 can with after chat a spacer element 3 and combine, support component 2 card peripheries vertically offer two or above catching groove 22.
The transparent or semitransparent spheroid that lampshade 5 is processed by glass or plastics, its bottom opening tipping for example is attached to spacer element 3 top peripheries, thereby led chip 1 and support component 2 is coated on lampshade 5 inside.Before address, the conical boss design that support component 2 is special makes it be able to stretch into lampshade 5 inside, for example rough center.
See also Fig. 7, radiating module 6 is installed in the case 4, and radiating module 6 comprises the drive unit that a fixture 61 and a movable part 62 are formed.Fixture 61 is hinged with an annular permanent magnetism element 613 in sleeve pipe 611 bottoms, location and a magnetic conduction collar 612 tops, makes and forms a gap 614 (seeing also Fig. 9) between the magnetic conduction collar 612 and the permanent magnetism element 613.
Wherein, Framework 621 has a relative first surface and a second surface, and elastic membrane 623 is attached at the first surface of framework, cover all or at least the part perforation 622; Elastic membrane 623 middle bodies are incorporated into framework 621 with sliding sleeve 624, and its peripheral part is unfixing; Drive frameworks 621 through movable part 62 and move, cause elastic membrane 623 integral body to be close to framework 621 or elastic membrane 623 peripheral part leave framework 621,, thereby produce air-flow with the pushing air or as the valve direct air toward first surfaces or second surface direction.
With Figure 10 B is example, and elastic membrane 623 is attached at the lower surface of framework 621, when framework 621 down surface direction move; Cause elastic membrane 623 integral body to be close to framework 621; Therefore, air is by down surface direction pushing of elastic membrane 623, produces the air-flow that surface direction down moves.When framework 621 up surface direction move; Cause elastic membrane 623 peripheral part to receive the air drag effect; And (when elastic membrane 623 was combined in framework 621 lower surfaces, weight of itself or the inertia force that adds counterweight can help around the film away from framework 621 around the film away from framework 621 downwards; When elastic membrane 623 is combined in framework 621 upper surfaces; The weight of itself can be offseted upwards air drag of part around the film); Manifest the perforation 622 that originally is capped; Therefore, through perforation 622, this moment, elastic membrane 623 flowed as the downward surface direction of valve direct air air by the downward surface direction of upper surface.
For the recovery elasticity of movable part 62 length travels is provided, in addition with a flexible member 63, for example the inner edge of ring-type shell fragment is bonded to movable part 62 top peripheries, and outer rim then places in the locating sleeve 611 top interfaces.At last a pressure part 64 is socketed in the locating sleeve 611 top interfaces, and presses flexible member 63.Wherein, pressure part 64 is the axostylus axostyle 642 that the support 641 shaft core position longitudinal extensions one that intersect to be provided with insert in the sliding sleeve 624.In addition, locating sleeve 611 outer peripheral edges are offered two wire casings, so that supply two conductor wires 73 of lamp holder 7 to pass through.
Electronic installation of the present invention, after for example the LED light fixture stood via the aforementioned components group, its stereogram was as shown in Figure 8, and profile is then as shown in Figure 9.Because lamp holder adopts the lamp holder 7 of existing specification, so can directly be installed on existing lamp socket.
Shown in Figure 10 A, when LED light fixture of the present invention was not lighted, movable part 62 was through flexible member 63, and self elastic force of ring-type shell fragment for example makes movable part 62 crack 614 inner epimeres between the magnetic conduction collar 612 of fixture 61 and permanent magnetism element 613.
Shown in Fig. 9 and Figure 10 B, open via lamp switch when LED light fixture of the present invention, make an alternating voltage through lamp holder 7; And the voltage conversion unit 361 on the circuit board 36 that arrives carries out step-down and rectification be direct current after, and be supplied to led chip 1 and coil 626 respectively, led chip 1 is lighted; To produce luminous energy and heat energy, when the control signal of 361 pairs of coils of voltage conversion unit, 626 outputs was high potential, the electric current of DC power supply can flow through coil 626 and produce magnetic field; Sliding tube 625 and coil 626 are moved down in the crack 614 between the magnetic conduction collar 612 and permanent magnetism element 613; And sliding sleeve 624 moves down along axostylus axostyle 642, flexible member 63 is stretched, and elastic membrane 623 is in folding process downwards; Its edge closely is resisted against framework 621 edges of movable part 62; Make elastic membrane 623 seal movable parts 62, thereby produce a thrust, fixture 61 and lamp holder 7 inner hot-airs are discharged by louvre 45.
Shown in Fig. 9 and Figure 10 C, when the control signal of 361 pairs of coils of voltage conversion unit, 626 outputs is electronegative potential, then there is not electric current to flow through coil 626, make coil 626 can not produce magnetic field; At this moment; Recovery elastic force through flexible member 63 moves on movable part 62 is in gap 614, and elastic membrane 623 is moved past in the journey in last, and it opens downwards because of effect of inertia; Make elastic membrane 623 open movable part 62; Thereby produce a suction, outside air is sucked by support component 2 and 3 formed inlet channels 35 of spacer element, and carry out heat exchange with the support component 2 that absorbs led chip 1 heat energy; Make hot-air pass through air vent hole 31 and case 4 inside, and get into radiating module 6 and lamp holder 7 inside.
So; Radiating module 6 of the present invention utilizes the reversal of magnetism effect of fixture 61 with the movable part 62 of drive unit, moves or vibrates to drive elastic membrane 623, so that pushing air or as the valve direct air; Produce air-flow through this, and air-flow dispels the heat to led chip 1; Preferable, said flow is an one-way gas flow.
In addition, aforementioned permanent magnetism element 613 radially is located at fixture 61 and movable part 62 relatively with electromagnetic component 626, only not as limit; Such as be familiar with the personage of this skill; Can further change the set-up mode of permanent magnetism element and electromagnetic component through previous embodiment, for example axially be located at fixture and sliding part relatively, or permanent magnetism element and electromagnetic component are located at sliding part and fixture relatively; In order to do passing through input one voltage change signal to electromagnetic component; So that electromagnetic component repels each other with the generation of permanent magnetism element or inhales mechanical energy mutually, the air-flow that also can obtain expection produces, and does not intend at this and giving unnecessary details.
Into person is arranged especially,, can change the direct of travel of air-flow through changing the position that elastic membrane 623 is hubbed at framework 621.For example the elastic membrane 623 of previous embodiment is hubbed at the bottom surface of framework 621; So that movable part 62 is in fixture 61 reciprocally during length travel; Make elastic membrane 623 sealing or the perforation 622 of opening 62 frameworks 621; To produce the pushing air respectively or as the action of valve direct air, cold air to be got into by inlet channel 35, hot-air is then discharged by louvre 45.Otherwise, if elastic membrane 623 is hubbed at the end face of framework 62, then can change the flow direction of air-flow, that is cold air getting into by louvre 45, hot-air is then discharged by inlet channel 35.
Disclosed, be a kind of of preferred embodiment, patent right category of the present invention is not all taken off in local such as change or modification and come from technological thought of the present invention and be easy to the person of knowing by inference by the people who has the knack of a skill.
Claims (15)
1. electronic installation with heat sinking function is characterized in that this electronic installation comprises:
At least one semiconductor element;
One support component, this support component is in order to fixing this semiconductor element; And
One radiating module, this radiating module comprises:
One elastic membrane; And
Driving this elastic membrane and move or to vibrate, so that pushing air or as the valve direct air produces air-flow through this, this air-flow is in order to dispel the heat to this semiconductor element through reversal of magnetism for one drive unit, this drive unit.
2. the electronic installation with heat sinking function as claimed in claim 1; It is characterized in that this drive unit comprises a fixture and a movable part, drive this movable part through reversal of magnetism and move with respect to this fixture; And this elastic membrane is incorporated on this movable part; Among this fixture and this movable part, one of which has a permanent magnetism element, and another has an electromagnetic component; Through importing a voltage change signal, so that this electromagnetic component produces the mechanical energy of repelling each other or inhaling mutually with this permanent magnetism element to this electromagnetic component.
3. the electronic installation with heat sinking function as claimed in claim 2 is characterized in that this voltage change signal is the periodic voltage variable signal, and the frequency of adjusting this voltage change signal is with the size of regulation and control through throughput.
4. the electronic installation with heat sinking function as claimed in claim 2 is characterized in that this movable part further comprises a framework; It is in order to combine this elastic membrane, and this framework has a relative first surface and a second surface, and this framework has perforation air feed stream to be passed through; This elastic membrane is attached at the first surface of this framework; Cover part or whole perforation, the middle body of this elastic membrane are incorporated on this framework, and its peripheral part is unfixing; Drive said frame through this movable part and move, cause this elastic membrane integral body to be close to this framework or this elastic membrane peripheral part leaves this framework,, thereby produce this air-flow with the pushing air or as the valve direct air toward first surface or second surface direction.
5. the electronic installation with heat sinking function as claimed in claim 1 is characterized in that, this semiconductor element is led chip, CPU or GPU.
6. the electronic installation with heat sinking function as claimed in claim 1 is characterized in that, this support component is as cooling base, and this air-flow directly contacts this cooling base, and this cooling base designs for boss, and this semiconductor element is fixed in this boss end face.
7. the electronic installation with heat sinking function as claimed in claim 1; It is characterized in that; This semiconductor element has a light-emitting area and a real estate, and this support component partly contacts this semiconductor element, to expose the most area of this light-emitting area and/or this real estate; This air-flow directly contacts this light-emitting area and/or this real estate of this semiconductor element, and this support component is a plastic material.
8. the electronic installation with heat sinking function as claimed in claim 2; It is characterized in that this fixture has this permanent magnetism element, this movable part has this electromagnetic component; And this movable part further connects a flexible member; Repelling each other or inhaling the distortion that motion causes this flexible member mutually of this movable part and this fixture through the elastic restoring force of this flexible member, carried out corresponding counter motion to drive this movable part.
9. the electronic installation with heat sinking function as claimed in claim 1 is characterized in that, this air-flow is the air-flow of one-way flow.
10. radiating module that is used for electronic installation, this electronic installation comprises semiconductor element, and this semiconductor element is fixed through a support component, it is characterized in that this radiating module comprises:
One elastic membrane; With
Driving this elastic membrane and move or to vibrate, so that pushing air or as the valve direct air produces air-flow through this, this air-flow is in order to dispel the heat to this semiconductor element through reversal of magnetism for one drive unit, this drive unit.
11. the radiating module that is used for electronic installation as claimed in claim 10; It is characterized in that this drive unit comprises a fixture and a movable part, drive this movable part through reversal of magnetism and move with respect to this fixture; And this elastic membrane is incorporated on this movable part; Among this fixture and this movable part, one of which has a permanent magnetism element, and another has an electromagnetic component; Through importing a voltage change signal, so that this electromagnetic component produces the mechanical energy of repelling each other or inhaling mutually with this permanent magnetism element to this electromagnetic component.
12. the radiating module that is used for electronic installation as claimed in claim 11 is characterized in that this voltage change signal is the periodic voltage variable signal, the frequency of adjusting this voltage change signal is with the size of regulation and control through throughput.
13. the radiating module that is used for electronic installation as claimed in claim 11 is characterized in that this movable part further comprises a framework; It is in order to combine this elastic membrane, and this framework has a relative first surface and a second surface, and this framework has perforation air feed stream to be passed through; This elastic membrane is attached at the first surface of this framework; Cover part or whole perforation, the middle body of this elastic membrane are incorporated on this framework, and its peripheral part is unfixing; Drive said frame through this movable part and move, cause this elastic membrane integral body to be close to this framework or this elastic membrane peripheral part leaves this framework,, thereby produce this air-flow with the pushing air or as the valve direct air toward first surface or second surface direction.
14. the radiating module that is used for electronic installation as claimed in claim 1; It is characterized in that this fixture has this permanent magnetism element, this movable part has this electromagnetic component; And this movable part further connects a flexible member; Repelling each other or inhaling the distortion that motion causes this flexible member mutually of this movable part and this fixture through the elastic restoring force of this flexible member, carried out corresponding counter motion to drive this movable part.
15. the radiating module that is used for electronic installation as claimed in claim 10 is characterized in that, this air-flow is the air-flow of one-way flow.
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| CN2010102263450A CN102315180A (en) | 2010-07-08 | 2010-07-08 | Electronic device with heat radiating function and heat radiating module |
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| CN2010102263450A CN102315180A (en) | 2010-07-08 | 2010-07-08 | Electronic device with heat radiating function and heat radiating module |
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| CN106125962A (en) * | 2016-06-27 | 2016-11-16 | 胡振华 | Radiating mouse |
| CN106236421A (en) * | 2016-08-23 | 2016-12-21 | 王冰凌 | Moveable electronic chair for closet |
| CN106303860A (en) * | 2016-09-22 | 2017-01-04 | 深圳市音沃仕科技有限公司 | A kind of speaker |
| CN109392286A (en) * | 2017-08-08 | 2019-02-26 | 深圳富泰宏精密工业有限公司 | Radiator and electronic device with the radiator |
| CN114326266A (en) * | 2020-09-30 | 2022-04-12 | 中强光电股份有限公司 | Light modulation module and reflective projection device |
| CN116107119A (en) * | 2023-04-12 | 2023-05-12 | 永林电子股份有限公司 | LED light-emitting device for display module and display module |
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| CN106303860B (en) * | 2016-09-22 | 2021-07-27 | 深圳市信维声学科技有限公司 | Loudspeaker |
| CN106303860A (en) * | 2016-09-22 | 2017-01-04 | 深圳市音沃仕科技有限公司 | A kind of speaker |
| CN109392286A (en) * | 2017-08-08 | 2019-02-26 | 深圳富泰宏精密工业有限公司 | Radiator and electronic device with the radiator |
| CN109392286B (en) * | 2017-08-08 | 2021-01-08 | 深圳富泰宏精密工业有限公司 | Heat dissipation device and electronic device with same |
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| CN117108981B (en) * | 2023-10-23 | 2024-01-19 | 深圳北极之光科技有限公司 | LED lamp bead with self-heat-dissipation function and lamp |
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Application publication date: 20120111 |