US20130206381A1 - Heat radiator - Google Patents

Heat radiator Download PDF

Info

Publication number
US20130206381A1
US20130206381A1 US13/527,603 US201213527603A US2013206381A1 US 20130206381 A1 US20130206381 A1 US 20130206381A1 US 201213527603 A US201213527603 A US 201213527603A US 2013206381 A1 US2013206381 A1 US 2013206381A1
Authority
US
United States
Prior art keywords
heat radiating
bent portion
groove
base
radiating 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.)
Abandoned
Application number
US13/527,603
Inventor
Tsung-Hsien Huang
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46346077&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=US20130206381(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of US20130206381A1 publication Critical patent/US20130206381A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F7/00—Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
    • H01L23/427—Cooling by change of state, e.g. use of heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4814—Conductive parts
    • H01L21/4871—Bases, plates or heatsinks
    • H01L21/4878—Mechanical treatment, e.g. deforming
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367—Cooling facilitated by shape of device
    • H01L23/3672—Foil-like cooling fins or heat sinks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making

Definitions

  • the present invention relates to a heat radiator and more particularly to a heat radiator with heat radiating fins which are connected by pressing.
  • a conventional heat radiator comprises a base and heat radiating fins which are connected by welding or pressing.
  • the heat radiating fins are first inserted into grooves or a clamping seat of the base and then pressed by a press head, so that the heat radiating fins are coupled to the grooves or the clamping seat of the base, such as U.S. Pat. No. 5,014,776.
  • the two side walls of the grooves are compressed and deformed to clamp the heat radiating fins to achieve connection of the heat radiating fins and the base.
  • the aforesaid patent uses the two compressed and deformed side walls of the grooves to clamp the roots of the heat radiating fins.
  • the clamping force concentrates on the two sides of the grooves so the clamping effect is not good and the connection is unstable.
  • the heat radiating fins may not be at the same height and they may shake to disengage from the base.
  • the present invention intends to provide a heat radiator for eliminate the shortcomings mentioned above.
  • the primary object of the present invention is to provide a heat radiator which comprises a base and a plurality of heat radiating fins.
  • the base has a surface formed with a plurality of grooves for insertion of the plurality of heat radiating fins.
  • Each heat radiating fin has a bent portion at an insertion end thereof. The bent portion is embedded in a related groove of the base. After the bent portion of each heat radiating fin is inserted into the related groove of the base, a press head is aligned with the embedded bent portion for pressing.
  • the press head has an inclined surface to cover the bent portion and a side wall of the related groove. After pressing, the bent portion is deformed and enlarged in the related groove to engage with the related groove.
  • the side wall of the related groove is compressed by the inclined surface of the press head to be shifted and deformed.
  • the deformed side wall holds against the bent portion, so that the heat radiating fins and the base are firmly connected.
  • the heat radiating fins won't shake to disengage from the base.
  • Another object of the present invention is to provide a heat radiator, wherein the bent portion has a plurality of spaced protrusions which are formed by extrusion.
  • the protrusions of each heat radiating fin incline upward. After being pressed by the press head, the deformed side wall extends outward to press the protrusions of the bent portion.
  • the other part of the bent portion is compressed and deformed to fill up the related groove of the base, such that the heat radiating fins are stably connected to the grooves of the base.
  • a further object of the present invention is to provide a heat radiator, wherein the base of the heat radiator is connected with at least one conductive pipe.
  • a bottom surface of the base is formed with at least one engaging groove for engagement of the conductive pipe.
  • the conductive pipe has a flat bottom surface exposed and connected to the bottom surface of the base. The conductive pipe can be bent to penetrate the plurality of the heat radiating fins so that the heat radiator with conductive pipe is assembled.
  • a still further object of the present invention is to provide a heat radiator, wherein the base of the present invention has a circular shape.
  • the circular base has the plurality of grooves formed around a circumferential wall thereof for insertion of the plurality of heat radiating fins.
  • the heat radiating fins are radially connected to the circumferential wall of the circular base.
  • FIG. 1 is a perspective view of the heat radiator according to the present invention before pressing
  • FIG. 2 is a perspective view showing the heat radiating fin of the present invention
  • FIG. 3 is a partial perspective view showing the heat radiating fin of the present invention.
  • FIG. 4 is another partial perspective view showing the heat radiating fin of the present invention.
  • FIG. 5 is a schematic view of the heat radiating fin of the present invention during a pressing step
  • FIG. 6 is a schematic view of the heat radiator of the present invention after pressing
  • FIG. 7 is a schematic view showing the press head being retracted after pressing
  • FIG. 8 is a schematic view showing the heat radiating fin before it is inserted into the groove of the base
  • FIG. 9 is a front view of the heat radiator with the conductive pipes according to an embodiment of the present invention.
  • FIG. 10 is a perspective view of FIG. 9 ;
  • FIG. 11 is a top view showing the circular base according to another embodiment of the present invention.
  • FIG. 12 is a perspective view of FIG. 11 ;
  • FIG. 13 is a perspective view of a heat radiator according to another embodiment of the present invention before pressing
  • FIG. 14 is a schematic view of FIG. 13 during a pressing step
  • FIG. 15 is a schematic view of FIG. 13 after pressing.
  • FIG. 16 is a schematic view of FIG. 13 showing the press head being retracted after pressing.
  • the heat radiator according to a preferred embodiment of the present invention comprises a base 1 and a plurality of heat radiating fins 2 .
  • the base 1 has a surface formed with a plurality of grooves 11 for insertion of the plurality of heat radiating fins 2 .
  • each heat radiating fin 2 has a bent portion 21 at an insertion end thereof.
  • the bent portion 21 has a plurality of spaced protrusions 211 which are formed by extrusion.
  • the bent portion 21 is embedded in the related groove 11 of the base 1 .
  • a press head 3 is aligned with the embedded bent portion 21 for pressing, as shown in FIG. 5 .
  • the press head 3 has an inclined surface 31 to cover the bent portion 21 and a side wall of the related groove 11 .
  • the bent portion 21 is deformed and enlarged in the related groove 11 to engage with the related groove 11 as shown in FIG. 7 .
  • the side wall of the related groove 11 is compressed by the inclined surface 31 of the press head 3 to be shifted and deformed.
  • the deformed side wall 111 holds against the protrusions 211 of the bent portion 21 , so that the heat radiating fins 2 and the base 1 are firmly connected.
  • the heat radiating fins 2 won't shake to disengage from the base 1 .
  • the protrusions 211 of each heat radiating fin 2 incline upward.
  • the deformed side wall 111 extends outward to press the protrusions 211 of the bent portion 21 .
  • the other part of the bent portion 21 is compressed and deformed to fill up the related groove 11 of the base 1 , such that the heat radiating fin 2 is stably connected to the groove 11 of the base.
  • the width A of the groove 1 of the base 1 is slightly greater than the thickness B of the bent portion 21 of the heat radiating fin 2 .
  • FIG. 9 and FIG. 10 show another embodiment.
  • the present invention can be connected with at least one conductive pipe 4 to constitute the heat radiator with conductive pipe.
  • a bottom surface of the base 1 a is formed with at least one engaging groove 12 a for engagement of the conductive pipe 4 .
  • the conductive pipe 4 has a flat bottom surface 41 exposed and connected to the bottom surface of the base 1 a.
  • the conductive pipe 4 can be bent to penetrate the plurality of the heat radiating fins 2 so that the heat radiator with conductive pipe is assembled.
  • FIG. 11 and FIG. 12 show a further embodiment.
  • the base lb of the present invention has a circle shape.
  • the circular base lb has the plurality of grooves 11 b formed around a circumferential wall thereof for insertion of the plurality of heat radiating fins 2 b.
  • the heat radiating fins 2 b are radially connected to the circumferential wall of the circular base lb.
  • FIG. 13 shows another embodiment.
  • the bent portion 21 of each heat radiating fin 2 is directly embedded in the related groove 11 of the base 1 , and then the press head 3 is aligned with the bent portion 21 to proceed with pressing as shown in FIG. 14 to FIG. 16 .
  • the press head 3 has the inclined surface 31 to cover the bent portion 21 and the side wall of the related groove 11 . After pressing, the bent portion 21 is deformed and enlarged in the related groove 11 to engage with the related groove 11 .
  • the side wall of the related groove 11 is compressed by the inclined surface 31 of the press head 3 to be shifted and deformed.
  • the deformed side wall 111 holds against the bent portion 21 , so that the heat radiating fins 2 and the base 1 are firmly connected.
  • the heat radiating fins of the present invention are connected to the base of the heat radiator by pressing. This way of connection is clearly different from the prior art.
  • the deformed side wall of the groove extends to hold against the bent portion 21 and the protrusions 211 to ensure stable connection of the heat radiating fins and the grooves of the base.

Abstract

A heat radiator includes a base and heat radiating fins. The base has a surface formed with grooves for insertion of the heat radiating fins. Each heat radiating fin has a bent portion at one end thereof. The bent portion has spaced protrusions thereon. The bent portion is inserted and embedded in the groove of the base. Then, a press head is aligned with the bent portion for pressing. The press head has an inclined surface to cover the bent portion and a side wall of the groove. After pressing, the bent portion is deformed and enlarged to engage with the groove. The side wall of the groove is compressed by the inclined surface of the press head to be shifted and deformed. The deformed side wall holds against the bent portion, so that the heat radiating fins and the base are connected.

Description

    BACKGROUND OF THE INVENTION
  • (a) Field of the Invention
  • The present invention relates to a heat radiator and more particularly to a heat radiator with heat radiating fins which are connected by pressing.
  • (b) Description of the Prior Art
  • A conventional heat radiator comprises a base and heat radiating fins which are connected by welding or pressing. The heat radiating fins are first inserted into grooves or a clamping seat of the base and then pressed by a press head, so that the heat radiating fins are coupled to the grooves or the clamping seat of the base, such as U.S. Pat. No. 5,014,776. The two side walls of the grooves are compressed and deformed to clamp the heat radiating fins to achieve connection of the heat radiating fins and the base.
  • The aforesaid patent uses the two compressed and deformed side walls of the grooves to clamp the roots of the heat radiating fins. The clamping force concentrates on the two sides of the grooves so the clamping effect is not good and the connection is unstable. The heat radiating fins may not be at the same height and they may shake to disengage from the base.
  • Accordingly, the present invention intends to provide a heat radiator for eliminate the shortcomings mentioned above.
    • SUMMARY OF THE INVENTION
  • The primary object of the present invention is to provide a heat radiator which comprises a base and a plurality of heat radiating fins. The base has a surface formed with a plurality of grooves for insertion of the plurality of heat radiating fins. Each heat radiating fin has a bent portion at an insertion end thereof. The bent portion is embedded in a related groove of the base. After the bent portion of each heat radiating fin is inserted into the related groove of the base, a press head is aligned with the embedded bent portion for pressing. The press head has an inclined surface to cover the bent portion and a side wall of the related groove. After pressing, the bent portion is deformed and enlarged in the related groove to engage with the related groove. The side wall of the related groove is compressed by the inclined surface of the press head to be shifted and deformed. The deformed side wall holds against the bent portion, so that the heat radiating fins and the base are firmly connected. The heat radiating fins won't shake to disengage from the base.
  • Another object of the present invention is to provide a heat radiator, wherein the bent portion has a plurality of spaced protrusions which are formed by extrusion. The protrusions of each heat radiating fin incline upward. After being pressed by the press head, the deformed side wall extends outward to press the protrusions of the bent portion. The other part of the bent portion is compressed and deformed to fill up the related groove of the base, such that the heat radiating fins are stably connected to the grooves of the base.
  • A further object of the present invention is to provide a heat radiator, wherein the base of the heat radiator is connected with at least one conductive pipe. A bottom surface of the base is formed with at least one engaging groove for engagement of the conductive pipe. The conductive pipe has a flat bottom surface exposed and connected to the bottom surface of the base. The conductive pipe can be bent to penetrate the plurality of the heat radiating fins so that the heat radiator with conductive pipe is assembled.
  • A still further object of the present invention is to provide a heat radiator, wherein the base of the present invention has a circular shape. The circular base has the plurality of grooves formed around a circumferential wall thereof for insertion of the plurality of heat radiating fins. The heat radiating fins are radially connected to the circumferential wall of the circular base.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a perspective view of the heat radiator according to the present invention before pressing;
  • FIG. 2 is a perspective view showing the heat radiating fin of the present invention;
  • FIG. 3 is a partial perspective view showing the heat radiating fin of the present invention;
  • FIG. 4 is another partial perspective view showing the heat radiating fin of the present invention;
  • FIG. 5 is a schematic view of the heat radiating fin of the present invention during a pressing step;
  • FIG. 6 is a schematic view of the heat radiator of the present invention after pressing;
  • FIG. 7 is a schematic view showing the press head being retracted after pressing;
  • FIG. 8 is a schematic view showing the heat radiating fin before it is inserted into the groove of the base;
  • FIG. 9 is a front view of the heat radiator with the conductive pipes according to an embodiment of the present invention;
  • FIG. 10 is a perspective view of FIG. 9;
  • FIG. 11 is a top view showing the circular base according to another embodiment of the present invention;
  • FIG. 12 is a perspective view of FIG. 11;
  • FIG. 13 is a perspective view of a heat radiator according to another embodiment of the present invention before pressing;
  • FIG. 14 is a schematic view of FIG. 13 during a pressing step;
  • FIG. 15 is a schematic view of FIG. 13 after pressing; and
  • FIG. 16 is a schematic view of FIG. 13 showing the press head being retracted after pressing.
    •  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • Embodiments of the present invention will now be described, by way of example only, with reference to the accompanying drawings.
  • As shown in FIG. 1, the heat radiator according to a preferred embodiment of the present invention comprises a base 1 and a plurality of heat radiating fins 2.
  • The base 1 has a surface formed with a plurality of grooves 11 for insertion of the plurality of heat radiating fins 2.
  • As shown in FIG. 2 to FIG. 4, the shape and the size of the plurality of heat radiating fins 2 are not limited. Each heat radiating fin 2 has a bent portion 21 at an insertion end thereof. The bent portion 21 has a plurality of spaced protrusions 211 which are formed by extrusion. The bent portion 21 is embedded in the related groove 11 of the base 1.
  • After the bent portion 21 of each heat radiating fin 2 is inserted into the related groove 11 of the base 1, a press head 3 is aligned with the embedded bent portion 21 for pressing, as shown in FIG. 5. The press head 3 has an inclined surface 31 to cover the bent portion 21 and a side wall of the related groove 11. After pressing as shown in FIG. 6, the bent portion 21 is deformed and enlarged in the related groove 11 to engage with the related groove 11 as shown in FIG. 7. The side wall of the related groove 11 is compressed by the inclined surface 31 of the press head 3 to be shifted and deformed. The deformed side wall 111 holds against the protrusions 211 of the bent portion 21, so that the heat radiating fins 2 and the base 1 are firmly connected. The heat radiating fins 2 won't shake to disengage from the base 1.
  • As shown in the drawings of the aforesaid embodiment, the protrusions 211 of each heat radiating fin 2 incline upward. After being pressed by the press head 3, the deformed side wall 111 extends outward to press the protrusions 211 of the bent portion 21. The other part of the bent portion 21 is compressed and deformed to fill up the related groove 11 of the base 1, such that the heat radiating fin 2 is stably connected to the groove 11 of the base.
  • As shown in FIG. 8, the width A of the groove 1 of the base 1 is slightly greater than the thickness B of the bent portion 21 of the heat radiating fin 2. The thickness B of the bent portion 21 plus the width C of the protrusion 211 equals the width A of the groove 11, namely, A=B+C.
  • FIG. 9 and FIG. 10 show another embodiment. The present invention can be connected with at least one conductive pipe 4 to constitute the heat radiator with conductive pipe. A bottom surface of the base 1 a is formed with at least one engaging groove 12 a for engagement of the conductive pipe 4. The conductive pipe 4 has a flat bottom surface 41 exposed and connected to the bottom surface of the base 1 a. The conductive pipe 4 can be bent to penetrate the plurality of the heat radiating fins 2 so that the heat radiator with conductive pipe is assembled.
  • FIG. 11 and FIG. 12 show a further embodiment. The base lb of the present invention has a circle shape. The circular base lb has the plurality of grooves 11 b formed around a circumferential wall thereof for insertion of the plurality of heat radiating fins 2 b. The heat radiating fins 2 b are radially connected to the circumferential wall of the circular base lb.
  • The shape, size and arrangement of the heat radiating fins 2 of the present invention can be changed as desired. The heat radiating fins 2 can be provided without the protrusions 211. FIG. 13 shows another embodiment. The bent portion 21 of each heat radiating fin 2 is directly embedded in the related groove 11 of the base 1, and then the press head 3 is aligned with the bent portion 21 to proceed with pressing as shown in FIG. 14 to FIG. 16. The press head 3 has the inclined surface 31 to cover the bent portion 21 and the side wall of the related groove 11. After pressing, the bent portion 21 is deformed and enlarged in the related groove 11 to engage with the related groove 11. The side wall of the related groove 11 is compressed by the inclined surface 31 of the press head 3 to be shifted and deformed. The deformed side wall 111 holds against the bent portion 21, so that the heat radiating fins 2 and the base 1 are firmly connected.
  • Accordingly, the heat radiating fins of the present invention are connected to the base of the heat radiator by pressing. This way of connection is clearly different from the prior art. In particular, the deformed side wall of the groove extends to hold against the bent portion 21 and the protrusions 211 to ensure stable connection of the heat radiating fins and the grooves of the base.
  • Although particular embodiments of the present invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the present invention. Accordingly, the present invention is not to be limited except as by the appended claims.

Claims (12)

What is claimed is:
1. A heat radiator comprising a base and a plurality of heat radiating fins, and characterized by:
the base having a surface formed with a plurality of grooves for insertion of the plurality of heat radiating fins;
each of the plurality of heat radiating fins having a bent portion at an insertion end thereof, the bent portion being embedded in a related groove of the base;
the embedded bent portion of each heat radiating fin having been pressed by a press head aligned with the embedded portion after insertion of the bent portion in the related groove of the base, the press head having an inclined surface to cover the bent portion and a side wall of the related groove, whereby the bent portion is deformed and enlarged in the related groove to engage with the related groove, and the side wall of the related groove is compressed by the inclined surface of the press head to be shifted and deformed, so that the deformed side wall holds against the bent portion to connect the heat radiating fins with the base.
2. The heat radiator as claimed in claim 1, wherein the bent portion of each heat radiating fin has a plurality of spaced protrusions thereon and the deformed side wall of the related groove holds against the protrusions of the bent portion, so that the heat radiating fins are engaged in the grooves.
3. The heat radiator as claimed in claim 2, wherein a thickness of the bent portion of each heat radiating fin plus a width of the protrusions equals a width of each groove.
4. The heat radiator as claimed in claim 2, wherein the protrusions of each heat radiating fin incline upward.
5. The heat radiator as claimed in claim 1, wherein a bottom surface of the base is formed with at least one engaging groove for engagement of a conductive pipe and the conductive pipe has a flat bottom surface exposed and connected to the bottom surface of the base.
6. The heat radiator as claimed in claim 5, wherein the conductive pipe is bent to penetrate the plurality of the heat radiating fins.
7. The heat radiator as claimed in claim 1, wherein the base has a circular shape which has the plurality of grooves formed around a circumferential wall thereof for insertion of the plurality of heat radiating fins.
8. A method of making a heat radiator, comprising the steps of:
providing a base having a surface formed with a plurality of grooves;
providing a plurality of heat radiating fins, each heat radiating fin having a bent portion at a lower end thereof;
inserting the plurality of heat radiating fins into the plurality of grooves of the base, respectively, so that the bent portion of each heat radiating fin is embedded in one of the grooves; and
pressing the bent portion of each heat radiating fin and a side wall of the groove in which the bent portion is embedded using a press head, wherein the press head has an inclined surface to cover the bent portion of the heat radiating fin and the groove, whereby the bent portion is deformed and enlarged in the groove to engage with the groove, and the side wall of the groove is compressed by the inclined surface of the press head to be shifted and deformed, so that the deformed side wall holds against the bent portion to hold the heat radiating fin in the groove.
9. The method of making a heat radiator as claimed in claim 8, wherein the bent portion of each heat radiating fin has a plurality of spaced protrusions thereon and the deformed side wall of the related groove holds against the protrusions of the bent portion.
10. The method of making a heat radiator as claimed in claim 9, wherein the bent portion and the protrusions of each heat radiating fin has a combined thickness equal to the width of each groove.
11. The method of making a heat radiator as claimed in claim 9, wherein the protrusions of each heat radiating fin incline upward.
12. The method of making a heat radiator as claimed in claim 8, wherein the base has a circular shape which has the plurality of grooves formed around a circumferential wall thereof for insertion of the plurality of heat radiating fins.
US13/527,603 2012-02-10 2012-06-20 Heat radiator Abandoned US20130206381A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2012100298882A CN102538558B (en) 2012-02-10 2012-02-10 Radiator of punch combined radiating fins
CN201210029888.2 2012-02-10

Publications (1)

Publication Number Publication Date
US20130206381A1 true US20130206381A1 (en) 2013-08-15

Family

ID=46346077

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/527,603 Abandoned US20130206381A1 (en) 2012-02-10 2012-06-20 Heat radiator

Country Status (6)

Country Link
US (1) US20130206381A1 (en)
JP (1) JP3178082U (en)
KR (1) KR200472236Y1 (en)
CN (1) CN102538558B (en)
DE (1) DE202012102368U1 (en)
TW (3) TWI667444B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150136363A1 (en) * 2013-11-18 2015-05-21 Tsung-Hsien Huang Combination heat sink assembly
US20210114082A1 (en) * 2019-10-21 2021-04-22 Huizhou Hanxu Hardware & Plastic Technology Co., Ltd. Double-sided expanded plate riveting structure and method

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102873217B (en) * 2012-10-11 2014-09-03 东莞汉旭五金塑胶科技有限公司 Automatic assembly method of heat attaching pipe radiator and device thereof
CN103234378B (en) * 2013-04-23 2015-09-30 东莞汉旭五金塑胶科技有限公司 Waveform radiating fin and radiator thereof
JP6564274B2 (en) * 2015-08-20 2019-08-21 昭和電工株式会社 heatsink
CN105258539B (en) * 2015-10-09 2018-07-31 东莞汉旭五金塑胶科技有限公司 Radiator
CN106885141B (en) * 2015-12-15 2023-06-23 四川新力光源股份有限公司 LED light source strip for module lamp box
CN106890886B (en) * 2017-02-16 2019-06-25 惠州智科实业有限公司 A kind of production method of heat-conducting base
CN109883236B (en) * 2019-03-15 2020-08-14 惠州汉旭五金塑胶科技有限公司 High-efficiency radiator with punched and combined radiating fins
CN110149786A (en) * 2019-06-17 2019-08-20 鑫佰图科技(惠州)有限公司 A kind of assemble method of the radiating fin of radiator
CN110388845A (en) * 2019-08-13 2019-10-29 惠州汉旭五金塑胶科技有限公司 The punch riveting structure of radiating fin
CN110553532A (en) * 2019-09-27 2019-12-10 惠州汉旭五金塑胶科技有限公司 Double-sided blown-up plate riveting structure and method
CN112916744B (en) * 2019-12-05 2024-03-08 中兴通讯股份有限公司 Method for manufacturing radiator
CN111589917B (en) * 2020-05-25 2021-03-26 深圳市维鼎精密五金有限公司 Fin structure and stamping processing equipment thereof

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014776A (en) * 1988-04-27 1991-05-14 Joachim Hess Heat emitting unit in form of a heater or cooler
US5038858A (en) * 1990-03-13 1991-08-13 Thermalloy Incorporated Finned heat sink and method of manufacture
US5542176A (en) * 1992-09-21 1996-08-06 Hideaki Serizawa Radiation plate and method of producing the same
US6176304B1 (en) * 1998-11-24 2001-01-23 Hon Hai Precision Ind. Co., Ltd. Heat sink
US6742581B2 (en) * 2001-11-21 2004-06-01 Fujikura Ltd. Heat sink and fin module
US6776224B1 (en) * 2003-05-30 2004-08-17 Shin Ming Chen Heating dissipating device for electronic elements
US20050211416A1 (en) * 2003-10-17 2005-09-29 Kenya Kawabata Heat sink with fins and a method for manufacturing the same
US6995981B2 (en) * 2003-04-18 2006-02-07 Hon Hai Precision Inc. Co., Ltd. Heat sink assembly with combined parallel fins
US7304851B2 (en) * 2005-06-21 2007-12-04 Yuh-Cheng Chemical Ltd. Heat sink and its fabrication method
US20090194255A1 (en) * 2008-02-04 2009-08-06 Tsung-Hsien Huang Cooler device
US7721790B2 (en) * 2006-10-31 2010-05-25 Foxconn Technology Co., Ltd. Heat sink
US7726385B2 (en) * 2004-02-23 2010-06-01 International Business Machines Corporation Heat dissipation interface for semiconductor chip structures
US8020608B2 (en) * 2004-08-31 2011-09-20 Hewlett-Packard Development Company, L.P. Heat sink fin with stator blade

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5932213B2 (en) * 1981-06-22 1984-08-07 岩井金属工業株式会社 How to fix fins on heat sink
JP3552047B2 (en) * 2000-10-25 2004-08-11 古河電気工業株式会社 Heat sink, manufacturing method thereof, and pressing jig
KR100508206B1 (en) * 2003-01-30 2005-08-17 주식회사 쏠리테크 Method for Manufacturing Plate-fin Type Heat Sink
CN2651939Y (en) * 2003-04-17 2004-10-27 陈世明 Radiator of superconductive electronic element
TWM283222U (en) * 2005-06-24 2005-12-11 Amulaire Thermal Technology In Heat dissipating device having thinner heat fins
CN2857218Y (en) * 2005-07-05 2007-01-10 美商旭扬热传股份有限公司 Radiator having thin fins
JP3140755U (en) * 2008-01-21 2008-04-10 水谷電機工業株式会社 Corrugated fin type radiator
KR200447710Y1 (en) * 2008-02-04 2010-02-11 충-시엔 후앙 Improved radiator with heating pipes
TWM363192U (en) * 2009-04-17 2009-08-11 chong-xian Huang Heat dissipating device
KR200454183Y1 (en) * 2009-04-23 2011-06-20 충-시엔 후앙 Heat sink with radially arranged radiation fins
TWM419386U (en) * 2011-09-01 2011-12-21 Huang-Lung Yang Heat sink fin and base Pressing assembly structure
CN202547471U (en) * 2012-02-10 2012-11-21 东莞汉旭五金塑胶科技有限公司 Heat radiator with stamped and combined heat radiating fins

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014776A (en) * 1988-04-27 1991-05-14 Joachim Hess Heat emitting unit in form of a heater or cooler
US5038858A (en) * 1990-03-13 1991-08-13 Thermalloy Incorporated Finned heat sink and method of manufacture
US5542176A (en) * 1992-09-21 1996-08-06 Hideaki Serizawa Radiation plate and method of producing the same
US6176304B1 (en) * 1998-11-24 2001-01-23 Hon Hai Precision Ind. Co., Ltd. Heat sink
US6742581B2 (en) * 2001-11-21 2004-06-01 Fujikura Ltd. Heat sink and fin module
US6995981B2 (en) * 2003-04-18 2006-02-07 Hon Hai Precision Inc. Co., Ltd. Heat sink assembly with combined parallel fins
US6776224B1 (en) * 2003-05-30 2004-08-17 Shin Ming Chen Heating dissipating device for electronic elements
US20050211416A1 (en) * 2003-10-17 2005-09-29 Kenya Kawabata Heat sink with fins and a method for manufacturing the same
US7726385B2 (en) * 2004-02-23 2010-06-01 International Business Machines Corporation Heat dissipation interface for semiconductor chip structures
US8020608B2 (en) * 2004-08-31 2011-09-20 Hewlett-Packard Development Company, L.P. Heat sink fin with stator blade
US7304851B2 (en) * 2005-06-21 2007-12-04 Yuh-Cheng Chemical Ltd. Heat sink and its fabrication method
US7721790B2 (en) * 2006-10-31 2010-05-25 Foxconn Technology Co., Ltd. Heat sink
US20090194255A1 (en) * 2008-02-04 2009-08-06 Tsung-Hsien Huang Cooler device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150136363A1 (en) * 2013-11-18 2015-05-21 Tsung-Hsien Huang Combination heat sink assembly
US9297597B2 (en) * 2013-11-18 2016-03-29 Tsung-Hsien Huang Combination heat sink assembly
US20210114082A1 (en) * 2019-10-21 2021-04-22 Huizhou Hanxu Hardware & Plastic Technology Co., Ltd. Double-sided expanded plate riveting structure and method
US11786959B2 (en) * 2019-10-21 2023-10-17 Huizhou Hanxu Hardware & Plastic Technology Co., Ltd. Double-sided expanded plate riveting structure and method

Also Published As

Publication number Publication date
TWI571609B (en) 2017-02-21
KR20130004979U (en) 2013-08-20
TW201333411A (en) 2013-08-16
CN102538558B (en) 2013-07-24
KR200472236Y1 (en) 2014-04-10
DE202012102368U1 (en) 2012-08-23
TW201640069A (en) 2016-11-16
CN102538558A (en) 2012-07-04
JP3178082U (en) 2012-08-30
TWM441112U (en) 2012-11-11
TWI667444B (en) 2019-08-01

Similar Documents

Publication Publication Date Title
US20130206381A1 (en) Heat radiator
JP3153318U (en) Heat exhaust
US20110162206A1 (en) Method for connecting heat-dissipating fin and heat pipe
US7275587B2 (en) Combination cooler module
US7441592B2 (en) Cooler module
US7304851B2 (en) Heat sink and its fabrication method
JP3152581U (en) Heat exhauster with radial exhaust heat fins
US10181691B2 (en) Production method for terminal-equipped electrical wire, crimp tool, and terminal-equipped electrical wire
KR20130006336U (en) Connection structure of led lamp holder and heat radiation fins
CN108617138B (en) Heat pipe parallel type heat dissipation device and manufacturing method thereof
US20070163770A1 (en) Combination of heat pipe and heat sink and method thereof
TWI708039B (en) High-efficiency radiator with stamping and radiating fins
CN202562351U (en) Combined structure of radiating fins and pedestal
US20150184948A1 (en) Structure for holding a heat pipe to a base
US9604328B2 (en) Heat sink structure and method of manufacturing same
TWI731479B (en) Stamping and riveting structure of radiating fin
US20130105132A1 (en) Heat sink fin and heat sink device
CN201966205U (en) Forming structure of fins and heat radiating base
CN101552246B (en) Radiator with radiation-type radiation fins
US20200326142A1 (en) High-efficiency heat sink
CN102636069B (en) Radiating fin and base combination structure
JP2017040457A (en) Heat exchanger and manufacturing method for core thereof
KR200469061Y1 (en) Non-base block heat sink
JP3120171U (en) A heat dissipation module that can be quickly coupled
TWM324330U (en) Terminal platform structure for fast mounting/dismounting

Legal Events

Date Code Title Description
STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION