CN101662918A - Heat radiating device - Google Patents

Heat radiating device Download PDF

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Publication number
CN101662918A
CN101662918A CN200810304232A CN200810304232A CN101662918A CN 101662918 A CN101662918 A CN 101662918A CN 200810304232 A CN200810304232 A CN 200810304232A CN 200810304232 A CN200810304232 A CN 200810304232A CN 101662918 A CN101662918 A CN 101662918A
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CN
China
Prior art keywords
fins group
fan
radiator
extension
fins
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN200810304232A
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Chinese (zh)
Other versions
CN101662918B (en
Inventor
赵镝琼
邓红波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QUANYIDA TECHNOLOGY (FOSHAN) Co Ltd
Original Assignee
Hong Jun Precision Industry Co ltd
Fuzhun Precision Industry Shenzhen Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hong Jun Precision Industry Co ltd, Fuzhun Precision Industry Shenzhen Co Ltd filed Critical Hong Jun Precision Industry Co ltd
Priority to CN200810304232A priority Critical patent/CN101662918B/en
Priority to US12/490,277 priority patent/US20100051232A1/en
Publication of CN101662918A publication Critical patent/CN101662918A/en
Application granted granted Critical
Publication of CN101662918B publication Critical patent/CN101662918B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/42Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
    • H01L23/427Cooling by change of state, e.g. use of heat pipes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/46Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
    • H01L23/467Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00Details of semiconductor or other solid state devices
    • H01L23/34Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367Cooling facilitated by shape of device
    • H01L23/3672Foil-like cooling fins or heat sinks
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001Technical content checked by a classifier
    • H01L2924/0002Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

The invention relates to a heat radiating device which comprises a heat radiator and a fan combined with the heat radiator, wherein a positioning groove is formed at the top end of the heat radiator,an accepting space is formed in the middle of the top of the heat radiator, a card slot communicated with the accepting space is arranged on the heat radiator, the fan comprises a fan frame and impellers arranged on the fan frame, the impellers are contained in the accepting space, the fan frame outwards and convexly extends to form a positioning part, the fan frame downwards extends to form a fixed arm, a hook part is arranged at the free end of the fixed arm, the hook part is matched with the card slot, and the positioning part is contained in the positioning groove to together fix the fan onto the heat radiator. The heat radiating device is convenient to assemble, can avoid the fan from rotating and can improve the heat radiating efficiency.

Description

Heat abstractor
Technical field
The present invention relates to a kind of heat abstractor, relate in particular to a kind of heat abstractor that is used for electronic element radiating.
Background technology
Fast development along with electronic industry, the high speed of electronic component (as central processing unit), high frequency and integrated its caloric value that makes increase severely, the heat that is produced in order to take away electronic component efficiently in limited space, industry normally install a heat abstractor additional on electronic component.
This heat abstractor generally includes a radiator and a fan, this radiator in order to the electronic component thermo-contact, this fan is locked on the outside of this radiator by the mode of four jiaos of lock screws, this fan is in order to producing low-temperature airflow and the heat that electronic component is passed to radiator is distributed in the ambient air, thereby reaches the purpose of heat radiation.Yet, in the above-mentioned heat abstractor,, thereby cause assembling process loaded down with trivial details because this fan need be locked on the outside of radiator by the modes of four jiaos of lock screws, be unfavorable for saving cost.Therefore, need be improved.
Summary of the invention
In view of this, be necessary to provide a kind of heat abstractor of being convenient to fan and radiator assembling.
A kind of heat abstractor, comprise radiator and the fan that combines with radiator, the top of described radiator forms detent, and the crown center of radiator forms receiving space, described radiator is provided with the draw-in groove that is communicated with described receiving space, described fan comprises the fan frame and is located at the impeller of fanning on the frame, described impeller is contained in the described receiving space, described fan frame outwards protrudes out the location division, described fan frame extends to form fixed arm downwards, and the free end of described fixed arm is provided with hook portion, and described hook portion cooperates with draw-in groove, described location division is contained in the detent, jointly fan is fixed on the radiator.
A kind of heat abstractor, comprise radiator and the fan that combines with radiator, described radiator comprises some fins, described fin comprises body and extends upward the extension that forms by body, the width of described extension is less than the width of body, wherein the extension of a part of fin protrudes from the extension of another part fin, form detent with top in radiator, form receiving space between the body of described fin and the extension, described extension is provided with the draw-in groove that is communicated with described receiving space, described fan comprises the fan frame and is located at the impeller of fanning on the frame, described impeller is contained in the described receiving space, described fan frame outwards protrudes out the location division, described fan frame extends to form fixed arm downwards, and the free end of described fixed arm is provided with hook portion, and described hook portion cooperates with draw-in groove, described location division is contained in the detent, jointly fan is fixed on the radiator.
In the above-mentioned heat abstractor, because radiator is provided with draw-in groove, the fan frame of described fan is provided with the fixed arm that has hook portion, therefore when assembling above-mentioned heat abstractor, only need this fan of pushing this fan can be installed on the radiator, and need not screw closure, simple in structure, easy to assembly.In addition, owing to also be provided with detent on this radiator, this fan is provided with the location division that can be contained in the detent, therefore can prevent that fan from rotating after assembling, helps the location of fan.Secondly, this fan is fixedly arranged in the receiving space of this radiator, fan is surrounded by radiator, can make full use of the low-temperature airflow that fan produces, to improve radiating efficiency, simultaneously, the radiator of the periphery of this fan also can serve as the effect of the sidewall of tradition fan frame, when having saved the materials of fan, also can increase the blast of fan.
The invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.
Description of drawings
Fig. 1 is the three-dimensional assembly diagram of the heat abstractor of a preferred embodiment of the present invention.
Fig. 2 is the exploded view of heat abstractor shown in Figure 1.
Fig. 3 is the exploded view of another form of heat abstractor shown in Figure 1.
Embodiment
Figure 1 shows that the heat abstractor in a preferred embodiment of the present invention, it is used for a heat-generating electronic elements (figure does not show) is dispelled the heat as central processing unit.This heat abstractor comprises a pedestal 10, be located at radiator 20, the some heat pipes 30 that combine with radiator 20 on this pedestal 10, be located at the heating column 40 (as shown in Figure 2) in the middle of this radiator 20 and be located at a fan 50 on this radiator 20.
Please refer to Fig. 2 and Fig. 3, this radiator 20 in the form of a ring, it comprises a pair of first fins group 21 and a pair of second fins group 23.
Each first fins group 21 is fan-shaped, and it is formed by some first fin, 211 stacked arrangement, and 211 of every two first adjacent fins form a gas channel 212.Each first fin 211 comprises a body 213 and an extension 214.This body 213 roughly is square, and described first fins group 21 is provided with the accepting groove 215 of the some semicircular arcs that run through each body 213, to accommodate heat pipe 30 respectively.This extension 214 is positioned at the outside one that makes progress by the top of this body 213 and extends to form, the place, inboard of this extension 214 is provided with a stage portion 216 and a draw-in groove 217, the width that this extension 214 is positioned at the position of these stage portion 216 tops is positioned at the width at the position of these stage portion 216 belows less than this extension 214, this draw-in groove 217 is located at the below of this stage portion 216, it is roughly triangular in shape, the upside of this draw-in groove 217 is parallel with stage portion 216, and this draw-in groove 217 and stage portion 216 are used for fixing this fan 50.This extension 214 in its top and stage portion 216 places respectively forward vertical extent form a upper hem 218 and a step flanging 219, these upper hems 218 mutual end faces 228 against common formation first fins group 21, these step flangings 219 mutual step surfaces 229 against common formation first fins group 21.
Each second fins group 23 has the structure similar to first fins group 21.Each second fins group 23 is formed by some second fin, 231 stacked arrangement, and 231 of every two second adjacent fins form a gas channel 232.Each second fin 231 comprises a body 233 and an extension 234.This body 233 shape roughly triangular in shape, these leg-of-mutton two right-angle sides lay respectively at the top of second fin 231 with inboard, thereby make when these second fins 231 fit together formation second fins group 23, the outer side-lower of this second fins group 23 forms an opening 240, also be provided with the accepting groove 235 of a semicircular arc that runs through each body 233 on this second fins group 23, this accepting groove 235 is communicated with opening 240 so that when assembling heat pipe 30 enter in the accepting groove 235 by this opening 240.This extension 234 is positioned at the outside one that makes progress by the top of this body 233 and extends to form, and the height of this extension 234 is less than the height of the extension 214 of this first fins group 21.Place, the inboard of this extension 234 is provided with a draw-in groove 237, and the draw-in groove 217 of this draw-in groove 237 and first fins group 21 mates and is positioned at sustained height.The top of this extension 234 vertical extent forward forms a upper hem 238, these upper hems 238 mutual end faces 248 against common formation second fins group 23, step surface 229 coplanes of this end face 248 and first fins group 21, contact area when this end face 248, step surface 229 can increase with fan 50 installations, thus make stressed more even.
Each heat pipe 30 has the condensation segment 31 of an arc, and the wherein part of described condensation segment 31 is arranged in the accepting groove 215 of first fins group 21, and remainder is embedded in the accepting groove 235 of second fins group 23.This heating column 40 is cylindric, and it is made by the good material of thermal conductivity, and as copper or aluminium etc., it is located in the middle of first, second fins group 21,23 of this radiator 20.
This fan 50 is fixed on this radiator 20, and it comprises a fan frame 51 and is located at a impeller 53 on this fan frame 51.This fan frame 51 comprises a load bearing seat 511 in the middle of being positioned at, be positioned at a peripheral fixed frame 512 and connect some bracing frames 513 of this fixed frame 512 and load bearing seat 511.
This load bearing seat 511 is used to carry this impeller 53, and impeller 53 hangs upside down on load bearing seat 511.This fixed frame 512 is circular, it extends to form plurality of fixed arm 514 downward vertically, these fixed arms 514 uniformly-spaced are arranged on this fixed frame 512, the free end of each fixed arm 514 is provided with a hook portion 515, this hook portion 515 radially outward protrudes out this fixed arm 514 along fixed frame 512, draw-in groove 217,237 on first, second fins group 21,23 of this hook portion 515 and this radiator 20 cooperates, so that fan 50 is fixed on the radiator 20.Corresponding second fins group of the outer rim of this fixed frame 512 23 places radially outward protrude out a pair of location division 517, each location division 517 roughly is fan-shaped, it is narrow away from an end at fixed frame 512 centers near the end at fixed frame 512 centers, and the difference in height between the extension 214,234 of the height of each location division 517 and first, second fins group 21,23 equates.These bracing frames 513 all into strips, it is used for supporting this load bearing seat 511.Two positions that are connected in these fixed frame 512 corresponding location divisions 517 in these bracing frames 513, wherein a bracing frame 513 is provided with one and goes out wire casing 518, this goes out to accommodate a fan leads 519 in the wire casing 518, so that fan 50 and external power source (figure does not show) are electrically connected, to give fan 50 power supplies.
During assembling, the condensation segment 31 of described heat pipe 30 is arranged in this accepting groove 215 to first fins group 21, and wherein the both ends of the condensation segment 31 of heat pipe 30 protrude out outside first fins group 21.First fins group 21 and heat pipe 30 are placed on the pedestal 10, and this is oppositely arranged along circumference first fins group 21, and keeps at a certain distance away.Should from top to bottom be inserted in respectively within this space second fins group 23 to 21 formation of first fins group, and the both ends of the condensation segment 31 of heat pipe 30 are entered by the opening 240 of second fins group 23, and be contained in the accepting groove 235 of second fins group 23; Described first, second fins group 21,23 is crisscross arranged, and surround the radiator 20 that forms this ring-type, end face 248 coplanes of the step surface 229 of described first fins group 21 and second fins group 23, because the height of the extension 234 of second fins group 23 is less than the height of the extension 214 of first fins group 21, thereby the top that makes each second fins group 23 forms a location groove 25 between first fins group 21, this detent 25 is fan-shaped; Draw-in groove 217, the 237 common draw-in grooves 27 that form the annular of radiator 20 of described first, second fins group 21,23.This heating column 40 is located at the centre of first, second fins group 21,23, the medial surface of its side surface and this first, second fins group 21,23 is fitted tightly and welds together.The body 213 of described first fins group 21 forms a receiving space 29 in the crown center of this radiator 20 jointly with the body 233 of extension 214, second fins group 23 and extension 234 and this heating column 40, this draw-in groove 27 is communicated with this receiving space 29, and the stage portion 216 of this first fins group 21, step surface 229 are positioned at this receiving space 29.Fan 50 is aimed at the receiving space 29 of radiator 20, and the location division 517 of fan 50 is aimed at the detent 25 of radiator 20, push this fan 50 downwards, the lower surface of the fixed frame 512 of this fan 50 is resisted against on the end face 248 of the step surface 229 of first fins group 21 of this radiator 20 and second fins group 23, and the lower surface that makes location division 517 is resisted against on the end face 248 of second fins group 23 of this radiator 20, and location division 517 is contained in the detent 25 just, hook portion 515 on the fixed arm 514 of this fan 50 is arranged in the draw-in groove 27 of this radiator 20, so that fan 50 is fixed on the radiator 20, at this moment, the impeller 53 of this fan 50 is contained in this receiving space 29, the side surface of the fixed frame 512 of this fan 50 just is attached on the inner surface of this radiator 20, the upper surface of location division 517, side surface does not just protrude from this radiator 20, as shown in Figure 3.
In the above-mentioned heat abstractor, this fan 50 is fixedly arranged in the receiving space 29 of this radiator 20, the impeller 53 of fan 50 is surrounded by radiator 20, can make full use of the low-temperature airflow that fan 50 produces, to improve radiating efficiency, simultaneously, the radiator 20 of the periphery of this fan 50 also can serve as the effect of the sidewall of tradition fan frame, when having saved the materials of fan 50, also can increase the blast of fan 50.In addition, because this radiator 20 is provided with stage portion 216 and draw-in groove 27, this fan 50 has fixed frame 512 and has the fixed arm 514 of hook portion 515, therefore when assembling above-mentioned heat abstractor, only need this fan 50 of pushing this fan 50 can be installed on the radiator 20, and need not screw closure, simple in structure, easy to assembly.Secondly, owing to also be provided with detent 25 on this radiator 20, this fan 50 is provided with the location division 517 that can be positioned in the detent 25, therefore can prevent that fan 50 from rotating after assembling, the location that helps fan 50, also can make the fixed frame 512 of fan 50 not protrude from radiator 30 simultaneously, thereby for guaranteeing that fan leads 519 does not protrude from the end face 228 of radiator 30, prevents that fan leads 519 damages from setting the basis.Once more, first, second fin 211,231 arranged radiallys along heating column 40 of this radiator 20 form, can make low-temperature airflow that fan 50 produces by the gas channel 212,232 of 211,231 of first, second fins blow to radiator 20 around, in the heat on taking away radiator 20, also can other heat-generating electronic elements around the radiator 20 be dispelled the heat.Once more, this radiator 20 is formed by a pair of first fins group 21 and a pair of second fins group, 23 staggered surrounding, and the arc condensation segment 31 of being convenient to heat pipe 30 is arranged in first, second fins group 21,23.
Certainly, in the above-mentioned heat abstractor, the draw-in groove 27 on this radiator 20 also can only be located on one of them of first, second fins group 21,23, thereby makes the fins group that only needs during fabrication needs to be provided with draw-in groove process, can reduce manufacturing process, reduce cost.

Claims (10)

1. heat abstractor, comprise radiator and the fan that combines with radiator, it is characterized in that: the top of described radiator forms detent, and the crown center of radiator forms receiving space, described radiator is provided with the draw-in groove that is communicated with described receiving space, described fan comprises the fan frame and is located at the impeller of fanning on the frame, described impeller is contained in the described receiving space, described fan frame outwards protrudes out the location division, described fan frame extends to form fixed arm downwards, and the free end of described fixed arm is provided with hook portion, and described hook portion cooperates with draw-in groove, described location division is contained in the detent, jointly fan is fixed on the radiator.
2. heat abstractor as claimed in claim 1, it is characterized in that: described radiator comprises a pair of first fins group and a pair of second fins group, described radiator is surrounded by first, second fins group and forms ring-type, should to first fins group with should be to the setting of staggering mutually of second fins group, described first, second fins group includes body and reaches by the upwardly extending extension of body, the height of the extension of described second fins group forms described detent less than the height of the extension of first fins group between first fins group on each second fins group.
3. heat abstractor as claimed in claim 2, it is characterized in that: the width of the extension of described first, second fins group is less than the width of body, described receiving space is formed between the extension and body of described first, second fins group, and described draw-in groove is located at described first, second fins group at least on one of them the extension.
4. heat abstractor as claimed in claim 2, it is characterized in that: also comprise heat pipe, described heat pipe comprises the condensation segment of arc, be equipped with accepting groove on each first, second fins group, also be provided with opening on each second fins group, described opening is communicated with the accepting groove of second fins group, and the part of the condensation segment of described heat pipe is interspersed in the accepting groove of first fins group, and its another part enters and is contained in the accepting groove of second fins group by the opening of second fins group.
5. heat abstractor as claimed in claim 1, it is characterized in that: described fan frame comprises the fixed frame of ring-type, described location division is radially outward protruded by fixed frame and is extended to form, described fixed arm is extended to form downwards by fixed frame, top in draw-in groove on the described radiator also is provided with stage portion, and described fixed frame is resisted against on the described stage portion.
6. heat abstractor as claimed in claim 5, it is characterized in that: described radiator comprises a pair of first fins group and a pair of second fins group, described first fins group is formed by some first fin stacked arrangement, described second fins group is formed by some second fin stacked arrangement, described stage portion is formed on first fins group, the position that described each first fin is positioned at stage portion is provided with the step flanging, the common step surface that forms first fins group of described step flanging, the top of described each second fin is provided with upper hem, the common end face that forms second fins group of described upper hem, the step surface coplane of the end face of described second fins group and first fins group, the fixed frame of described fan is resisted against on the step surface of the end face of second fins group and first fins group, and the location division of described fan is resisted against on the end face of second fins group.
7. heat abstractor, comprise radiator and the fan that combines with radiator, described radiator comprises some fins, it is characterized in that: described fin comprises body and extends upward the extension that forms by body, the width of described extension is less than the width of body, wherein the extension of a part of fin protrudes from the extension of another part fin, form detent with top in radiator, form receiving space between the body of described fin and the extension, described extension is provided with the draw-in groove that is communicated with described receiving space, described fan comprises the fan frame and is located at the impeller of fanning on the frame, described impeller is contained in the described receiving space, described fan frame outwards protrudes out the location division, described fan frame extends to form fixed arm downwards, and the free end of described fixed arm is provided with hook portion, and described hook portion cooperates with draw-in groove, described location division is contained in the detent, jointly fan is fixed on the radiator.
8. heat abstractor as claimed in claim 7, it is characterized in that: described radiator comprises a pair of first fins group and a pair of second fins group, described radiator is surrounded by first, second fins group and forms ring-type, should to first fins group with should be to the setting of staggering mutually of second fins group, the extension of the fin of described first fins group protrudes from the extension of the fin of second fins group.
9. heat abstractor as claimed in claim 7, it is characterized in that: described fan frame comprises the fixed frame of ring-type, described location division is radially outward protruded by fixed frame and is extended to form, described fixed arm is extended to form downwards by fixed frame, top in draw-in groove on the described radiator also is provided with stage portion, and described fixed frame is resisted against on the described stage portion.
10. heat abstractor as claimed in claim 9, it is characterized in that: described radiator comprises a pair of first fins group and a pair of second fins group, described first fins group is formed by some first fin stacked arrangement, described second fins group is formed by some second fin stacked arrangement, described stage portion is formed on first fins group, the position that described each first fin is positioned at stage portion is provided with the step flanging, the common step surface that forms first fins group of described step flanging, the top of described each second fin is provided with upper hem, the common end face that forms second fins group of described upper hem, the step surface coplane of the end face of described second fins group and first fins group, the fixed frame of described fan is resisted against on the step surface of the end face of second fins group and first fins group, and the location division of described fan is resisted against on the end face of second fins group.
CN200810304232A 2008-08-27 2008-08-27 Heat radiating device Active CN101662918B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN200810304232A CN101662918B (en) 2008-08-27 2008-08-27 Heat radiating device
US12/490,277 US20100051232A1 (en) 2008-08-27 2009-06-23 Heat dissipation apparatus incorporating a fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200810304232A CN101662918B (en) 2008-08-27 2008-08-27 Heat radiating device

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CN101662918A true CN101662918A (en) 2010-03-03
CN101662918B CN101662918B (en) 2012-10-10

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US20100051232A1 (en) 2010-03-04

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