CN101668403A - Electronic device and radiator thereof - Google Patents

Electronic device and radiator thereof Download PDF

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Publication number
CN101668403A
CN101668403A CN200810212301A CN200810212301A CN101668403A CN 101668403 A CN101668403 A CN 101668403A CN 200810212301 A CN200810212301 A CN 200810212301A CN 200810212301 A CN200810212301 A CN 200810212301A CN 101668403 A CN101668403 A CN 101668403A
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China
Prior art keywords
heat
groove
conducting
conducting plate
radiator
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Application number
CN200810212301A
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Chinese (zh)
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CN101668403B (en
Inventor
王锋谷
黄庭强
王少甫
许圣杰
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Inventec Corp
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Inventec Corp
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Priority to CN2008102123015A priority Critical patent/CN101668403B/en
Publication of CN101668403A publication Critical patent/CN101668403A/en
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Publication of CN101668403B publication Critical patent/CN101668403B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses an electronic device with a radiator, which comprises a shell, a heating element and the radiator, wherein the heating element is arranged in the shell, and works to generate heat; the radiator comprises a heat conducting plate and a plurality of movable heat conducting pieces; the heat conducting plate is connected with the heating element and is provided with a pluralityof grooves and a plurality of maintaining parts; the movable heat conducting pieces are provided with counter weight ends and free ends; the counter weight ends are accommodated in the grooves and arelimited in the grooves by the maintaining parts; the heat of the heating element is conducted to the movable heat conducting pieces through the heat conducting plate; gravity centers of the movable heat conducting pieces are positioned at the counter weight ends; and when the shell is inclined at an angle, the movable heat conducting pieces swing relative to the heat conducting plate, so that thefree ends normally point to a direction opposite to a direction of gravitational acceleration.

Description

Electronic installation and radiator thereof
Technical field
The present invention relates to electronic installation and radiator thereof, particularly about a kind of electronic installation and radiator thereof with movable heat-conduction component.
Background technology
Under the usefulness of various electronic products constantly promoted, incident heat dissipation problem is also serious day by day, and was wherein serious with the heat dissipation problem of portable electron device again.For example notebook computer, palmtop computer, mobile Internet access device (Mobile Internet Device; MID) reach super portable computer (Ultra MobilePersonal Computer; UMPC) or the like portable electron device is in order to possess light and handy portative characteristic, so the design of its casing all is to be principle with compact.Relatively, it is quite limited that the portable electronic device case volume inside just seems, cause the electronic component of casing inside to arrange quite closely, the heat energy that is produced is also hoarded easily in portable electronic device case inside so electronic component works long hours, and allows the temperature of whole portable electron device raise fast at short notice.Therefore, if can't in time the heat energy of portable electronic device case inside be got rid of rapidly, under the operating environment that is easy to make electronic component always be in high temperature, will certainly have influence on the operate as normal of portable electron device, even cause electronic component to cross cause thermal damage.
The portable electron device of standard, for example notebook computer in order to improve the radiating efficiency of entire system, adopts the radiating subassembly of radiating fin group collocation electronic fan and heat pipe to dispel the heat mostly.The radiating fin group have heat-conducting block with by the extended fin of heat-conducting block, wherein the heat energy of thermal source conducts on the fin by heat-conducting block or heat pipe, and electronic fan produces air communication and crosses fin, takes away heat energy on the fin to utilize air-flow.But, the portable electric device littler for volume, aforesaid mobile Internet access device (MID), because of its inner space very limited, and the heat energy of considering internal heat resource is not high and problem such as fan noise, its radiating subassembly only adopts tabular fin usually, or increases fin on fin, just is enough to the demand of compliance with system heat radiation.
Yet, in recent years because the clock pulse of process chip improves constantly or the like factor, make portable electric device also more and more higher for the demand of heat radiation, the portable electric device inner space does not still have enough spaces that electronic fan is set, can only increase the quantity that is provided with of fin, and the shell of the end of fin and portable electric device is almost very close to each other.So, there be not the down auxiliary of air-flow, the heat energy on the fin can be directly conducted on the shell, and the temperature of shell is improved constantly.Portable electric device mainly provides the user with palm its gripping to be operated, seldom can keep flat on the table to use, and if that the temperature of shell is too high is uncomfortable will cause the user to grip the time, and then influence the user and buy this portable electric device.In addition, the fin of general radiating fin group all is vertically to be arranged on the heat-conducting block, and portable electric device uses under the state that tilts mostly, the higher hot-air of fin bottom temp can't up flow smoothly, make being obstructed of fin surrounding air, and then reduce the heat exchanger effectiveness of radiating fin group failing to be convened for lack of a quorum.
Summary of the invention
Because the not good problem of heat exchanger effectiveness during the too high and tilt operation of portable electric device skin temperature in the prior art, technical problem to be solved by this invention is to provide a kind of electronic installation and radiator thereof, with the temperature that reduces the portable electric device shell and improve the efficient of heat exchange.
For solving aforesaid problem, the invention provides a kind of electronic installation and radiator thereof, wherein electronic installation comprises a housing, a heater element and a radiator.Heater element is arranged in the housing and works and generation heat energy.Radiator includes a heat-conducting plate and at least one movable heat-conducting piece.Heat-conducting plate contacts with heater element, and heat-conducting plate has at least one groove and at least one portion that keeps.Movable heat-conducting piece has a weight end and a free end, and wherein the weight end is placed in groove and is limited to groove by the portion of keeping, and the heat energy of heater element conducts to movable heat-conducting piece by heat-conducting plate.The center of gravity of movable heat-conducting piece is positioned at the weight end, and when housing or heat-conducting plate tilted an angle with horizontal plane, the center of gravity of movable heat-conducting piece can improve to be increased with respect to heat-conducting plate potential energy to swing, make its free end normally directed in opposite in the direction of acceleration of gravity.
Beneficial effect of the present invention is, movable heat-conducting piece can be swung on heat-conducting plate by the weight end, and the center of gravity of movable heat-conducting piece is positioned at the weight end, movable heat-conducting piece can and then be swung when housing and horizontal plane inclination, and allow free end point to the direction opposite at any time with acceleration of gravity, to strengthen the distance of free end and housing, make the heat energy on the movable heat-conducting piece can not be directly conducted to housing, and avoid the too high and raising radiating efficiency of case temperature of electronic installation.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the three-dimensional exploded view of movable heat-conducting piece and heat-conducting plate in the first embodiment of the invention;
Fig. 2 is the schematic perspective view of radiator in the first embodiment of the invention;
Fig. 3 is the partial cutaway schematic of radiator in the first embodiment of the invention;
Fig. 4 is the schematic perspective view of electronic installation in the first embodiment of the invention;
Fig. 5 is the generalized section during the electronic installation horizontal positioned in the first embodiment of the invention;
Fig. 6 is the partial schematic diagram of Fig. 5;
Fig. 7 is the generalized section during the electronic installation tilt operation in the first embodiment of the invention;
Fig. 8 is the partial schematic diagram of Fig. 7;
Fig. 9 is the three-dimensional exploded view of movable heat-conducting piece and heat-conducting plate in the second embodiment of the invention;
Figure 10 is the schematic perspective view of radiator in the second embodiment of the invention;
Figure 11 is the partial cutaway schematic of radiator in the second embodiment of the invention;
Figure 12 is the generalized section during the electronic installation tilt operation in the second embodiment of the invention.
Wherein, Reference numeral
10 housings
11 louvres
12 circuit boards
13 heater elements
20 radiators
21 heat-conducting plates
211 grooves
212 keep portion
213 position-limited grooves
214 axis holes
22 movable heat-conducting pieces
221 weight ends
222 free ends
223 guidance parts
224 protruding axles
Embodiment
In order to illustrate further feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet appended accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the present invention is limited.
For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
See also Fig. 1 to shown in Figure 8, be first embodiment of electronic installation of the present invention and radiator thereof, wherein aforementioned electronic in fact just is meant portable electric device, for example mobile Internet access device (MobileInternet Device; MID) reach super portable computer (Ultra Mobile Personal Computer; UMPC) or the like.Electronic installation comprises a housing 10, a circuit board 12, a heater element 13 and a radiator 20.Heater element 13 is essentially the chip that electrically is arranged on the circuit board 12, as central processing unit, display chip or the like.Heater element 13 is arranged in the housing 10 by circuit board 12, and produces heat energy by circuit board 12 powered operation.Housing 10 two ends offer a plurality of louvres 11 for air turnover respectively, and the minimum number of louvre 11 to be housing 10 two ends have one respectively, make the air in the housing 10 can be by louvre 11 and extraneous cross-ventilation.
See also Fig. 1, Fig. 2 and shown in Figure 3.Radiator 20 includes a heat-conducting plate 21 and a plurality of movable heat-conducting piece 22, and the quantity of wherein movable heat-conducting piece 22 can increase and decrease according to actual demand, is at least one.Heat-conducting plate 21 adopts the good material of heat transfer efficiency, for example aluminium, copper or the like metal material.Heat-conducting plate 21 is fixed on the heater element 13, the one side surface can be contacted with heater element 13, and the heat energy of heater element 13 also will be directly conducted on the heat-conducting plate 21.Opposite side back to heater element 13 on the heat-conducting plate 21 has a plurality of grooves 211 and a plurality of portion 212 that keeps, and the quantity of its further groove 211 is corresponding to the actual quantity that is provided with of movable heat-conducting piece 22, and keeps the quantity of the quantity of portion 212 corresponding to groove 211.The bottom of each groove 211 has a position-limited groove 213, and position-limited groove 213 is provided with corresponding to the louvre 11 of housing 1, and promptly the louvre 11 at housing 10 two ends is pointed at the two ends of position-limited groove 213 respectively.
Each movable heat-conducting piece 22 has a weight end 221 and a free end 222, and the weight of wherein movable heat-conducting piece 22 concentrates on the bottom (away from free end 222) of weight end 221, makes the center of gravity of movable heat-conducting piece 22 be positioned at weight end 221.Weight end 221 is placed in the groove 211 and is kept portion 212 and is limited to groove 211, and the heat energy of heater element 13 conducts to heat-conducting plate 21 earlier, conducts on the movable heat-conducting piece 22 by heat-conducting plate 21 again.Weight end 221 bottoms have a guidance part 223, and wherein guidance part 223 slippage in position-limited groove 213 makes movable heat-conducting piece 22 in 213 swings of heat-conducting plate 21 upper edge position-limited grooves, with the direction and the angle of restraint heat-conducting piece 22 swings.In the present embodiment, the groove 211 of heat-conducting plate 21 is for being essentially a hemisphere groove, be essentially a ring-shaped edge around the opening of hemisphere groove and keep portion 212, and weight end 221 is essentially a spheroid.The hatch bore diameter of hemisphere groove (groove 211) is greater than the diameter of spheroid (weight end 221), so still can be movable in groove 211 after weight end 221 is inserted groove 211, movable heat-conducting piece 22 can be swung with respect to heat-conducting plate 21, and weight end 221 can be subject to the portion of keeping 212, can be by coming off on the heat-conducting plate 21 when movable heat-conducting piece 22 is swung.
See also Fig. 4, Fig. 5 and shown in Figure 6.When electronic installation when horizontal plane is put, for example be placed on the desktop and when not using, housing 10 is all parallel with horizontal plane with heat-conducting plate 21 and perpendicular to the direction of acceleration of gravity.At this moment, the center of gravity of movable heat-conducting piece 22 is positioned at position low relatively on the heat-conducting plate 21, and promptly movable heat-conducting piece 22 is in the low relatively position of potential energy.In heat conducting phenomenon, heat energy can conduct to the temperature lower by the temperature higher position, and heat conducting efficient is inverse ratio with distance, that is to say that two articles distance heat conducting efficient far away more is low more.In fact, the high temp objects surface can form a temperature boundary layer, when cryogenic object is positioned at the temperature boundary layer of high temp objects, the heat energy of high temp objects can be easy to conduct on the cryogenic object, in other words, as long as cryogenic object is not in the temperature boundary layer of high temp objects, the heat energy of high temp objects just is not easy to conduct on the cryogenic object.
See also Fig. 7 and shown in Figure 8.When the user grips electronic installation when operating,, make housing 10 or heat-conducting plate 21 and the horizontal plane angle that tilts for the convenience on using can be inclined relative to horizontal housing 10.At this moment, the center of gravity of movable heat-conducting piece 22 can relatively improve, and promptly movable heat-conducting piece 22 is in the high relatively position of potential energy.Therefore, once housing 10 or heat-conducting plate 21 tilt with horizontal plane, movable heat-conducting piece 22 will be with respect to heat-conducting plate 21 swings towards the minimum position of potential energy, make its free end 222 normally directed in opposite in the direction of acceleration of gravity.Thus, the distance of the front end of free end 222 and housing 10 also strengthens at horizontal plane with respect to housing 10, housing 10 is not fallen in the temperature boundary layer of free end 222, and the heat energy of free end 222 just is not easy to be directly transferred to housing 10, makes the temperature of housing 10 can be not too high.In addition, movable heat-conducting piece 22 is parallel with the direction of acceleration of gravity, the air of movable heat-conducting piece 22 bottoms can successfully up be flowed, avoiding the hot-air around the radiator 20 to be subjected to the obstruction of movable heat-conducting piece 22, so more successfully drive air by in the housing 10 through louvres 11 and outside air convection current.
See also Fig. 9, Figure 10, Figure 11 and shown in Figure 12, be second embodiment of electronic installation of the present invention and radiator thereof.The embodiment of present embodiment and aforementioned first embodiment are roughly the same, and both difference places mainly are the kenel of groove 211 and movable heat-conducting piece 22.In the present embodiment, groove 211 is essentially an elongate slot, and the inwall of elongate slot has the axis hole 214 that two-phase is faced.The weight end 221 of movable heat-conducting piece 22 is essentially a disk body, has a protruding axle 224 on each end face of disk body respectively.The protruding axle 224 of each of disk body (weight end 221) inserts each axis hole 214 of elongate slot (groove 211) respectively, and movable heat-conducting piece 22 can be swung on heat-conducting plate 21.Keep portion 212 and be two and be positioned at the strip edge of the opening both sides of elongate slot (groove 211), weight end 221 can be subject to the portion of keeping 212, can be by coming off on the heat-conducting plate 21 when making movable heat-conducting piece 22 swings.
Effect of the present invention is, movable heat-conducting piece can be swung on heat-conducting plate by the weight end, and the center of gravity of movable heat-conducting piece is positioned at the weight end, movable heat-conducting piece can and then be swung when housing and horizontal plane inclination, and allow free end point to the direction opposite at any time with acceleration of gravity, to strengthen the distance of free end and housing, make the heat energy on the movable heat-conducting piece can not be directly conducted to housing, and avoid the case temperature of electronic installation too high, and make around the movable heat-conducting piece air current flow smooth and easy and improve radiating efficiency.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1. electronic installation with radiator is characterized in that it includes:
One housing;
One heater element is arranged in this housing and also works and generation heat energy; And
One radiator, it includes:
One heat-conducting plate contacts with this heater element, and this heat-conducting plate has at least one groove and at least one portion that keeps; And
At least one movable heat-conducting piece, have a weight end and a free end, this weight end is placed in this groove and is limited to this groove by this portion of keeping, and the heat energy of this heater element conducts to this activity heat-conducting piece by this heat-conducting plate, center of gravity that wherein should the activity heat-conducting piece is positioned at this weight end, when this housing angle that tilts, this activity heat-conducting piece is with respect to this heat-conducting plate swing, this free end normally directed in opposite in the direction of acceleration of gravity.
2. electronic installation according to claim 1 is characterized in that this groove has a position-limited groove, and this weight end has a guidance part, and this guidance part is in this position-limited groove slippage, and this activity heat-conducting piece is along this position-limited groove swing.
3. electronic installation according to claim 2 is characterized in that, this housing has at least two relative louvres, and this position-limited groove is provided with corresponding to this louvre.
4. electronic installation according to claim 1 is characterized in that, this groove is a hemisphere groove, and this portion of keeping is a ring-shaped edge around the opening of this hemisphere groove, and this weight end is a spheroid, and the hatch bore diameter of this hemisphere groove is greater than the diameter of this spheroid.
5. electronic installation according to claim 1, it is characterized in that, this groove is an elongate slot, the inwall of this elongate slot has the axis hole that two-phase is faced, this weight end is a disk body, have a protruding axle on each end face of this disk body respectively, this protruding axle inserts this axis hole respectively, and this portion of keeping is two strip edges that are positioned at the opening both sides of this elongate slot.
6. electronic installation according to claim 5 is characterized in that, this housing has at least two relative louvres, and the short side of this elongate slot is corresponding to this louvre respectively.
7. radiator, in order to the heater element in the electronic installation is carried out heat exchange, this heater element work and produce heat energy is characterized in that this radiator includes:
One heat-conducting plate contacts with this heater element, and this heat-conducting plate has at least one groove and at least one portion that keeps; And
A plurality of movable heat-conducting pieces, have a weight end and a free end, this weight end is placed in this groove and is limited to this groove by this portion of keeping, and the heat energy of this heater element conducts to this activity heat-conducting piece by this heat-conducting plate, center of gravity that wherein should the activity heat-conducting piece is positioned at this weight end, when this heat-conducting plate angle that tilts, this activity heat-conducting piece is with respect to this heat-conducting plate swing, this free end normally directed in opposite in the direction of acceleration of gravity.
8. radiator according to claim 7 is characterized in that this groove has a position-limited groove, and this weight end has a guidance part, and this guidance part is in this position-limited groove slippage, and this activity heat-conducting piece is along this position-limited groove swing.
9. radiator according to claim 7 is characterized in that, this groove is a hemisphere groove, and this portion of keeping is a ring-shaped edge around the opening of this hemisphere groove, and this weight end is a spheroid, and the hatch bore diameter of this hemisphere groove is greater than the diameter of this spheroid.
10. radiator according to claim 7, it is characterized in that, this groove is an elongate slot, the inwall of this elongate slot has two axis holes of facing mutually, this weight end is a disk body, have a protruding axle on each end face of this disk body respectively, this protruding axle is inserted this axis hole respectively, and this portion of keeping is two strip edges that are positioned at the opening both sides of this elongate slot.
CN2008102123015A 2008-09-05 2008-09-05 Electronic device and radiator thereof Expired - Fee Related CN101668403B (en)

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Application Number Priority Date Filing Date Title
CN2008102123015A CN101668403B (en) 2008-09-05 2008-09-05 Electronic device and radiator thereof

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Application Number Priority Date Filing Date Title
CN2008102123015A CN101668403B (en) 2008-09-05 2008-09-05 Electronic device and radiator thereof

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CN101668403A true CN101668403A (en) 2010-03-10
CN101668403B CN101668403B (en) 2011-09-28

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102970850A (en) * 2011-08-30 2013-03-13 索尼公司 Electronic apparatus
CN103037666A (en) * 2011-09-28 2013-04-10 鸿富锦精密工业(深圳)有限公司 Heat dissipation structure and electronic device
CN106490689A (en) * 2016-12-20 2017-03-15 深圳市合元科技有限公司 Electronic cigarette heating component and electronic cigarette

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5737187A (en) * 1996-08-26 1998-04-07 Compaq Computer Corporation Apparatus, method and system for thermal management of an unpackaged semiconductor device
JP2006270930A (en) * 2005-02-28 2006-10-05 Sanyo Electric Co Ltd Mobile device
CN1936769A (en) * 2005-09-23 2007-03-28 鸿富锦精密工业(深圳)有限公司 Note-book type computer
CN1987727A (en) * 2005-12-22 2007-06-27 佛山市顺德区顺达电脑厂有限公司 Heat radiation module
CN201100621Y (en) * 2007-11-26 2008-08-13 上海广电光电子有限公司 LCD LED backlight source heat radiator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102970850A (en) * 2011-08-30 2013-03-13 索尼公司 Electronic apparatus
CN103037666A (en) * 2011-09-28 2013-04-10 鸿富锦精密工业(深圳)有限公司 Heat dissipation structure and electronic device
CN103037666B (en) * 2011-09-28 2015-05-20 鸿富锦精密工业(深圳)有限公司 Heat dissipation structure and electronic device
CN106490689A (en) * 2016-12-20 2017-03-15 深圳市合元科技有限公司 Electronic cigarette heating component and electronic cigarette
CN106490689B (en) * 2016-12-20 2023-08-08 深圳市合元科技有限公司 Heating element and electron cigarette for electron cigarette

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Granted publication date: 20110928

Termination date: 20160905