CN110430720B - Gravity heat pipe radiator suitable for outdoor base station - Google Patents
Gravity heat pipe radiator suitable for outdoor base station Download PDFInfo
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- CN110430720B CN110430720B CN201910612701.3A CN201910612701A CN110430720B CN 110430720 B CN110430720 B CN 110430720B CN 201910612701 A CN201910612701 A CN 201910612701A CN 110430720 B CN110430720 B CN 110430720B
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- heat pipe
- gravity
- heat
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- fin
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
Abstract
The invention provides a gravity heat pipe radiator suitable for an outdoor base station, which can realize high-power heat radiation in a limited space, realize the full collection of heat of a heat source by arranging a heat collecting cavity, and simultaneously increase the contact area of a fin and a heat pipe body so as to increase the heat radiation efficiency of a heat radiation pipe. Comprises the following steps: the gravity heat pipe, the heat collection cavity and the fins; the gravity heat pipe is vertically connected to the heat collecting cavity, wherein an evaporation section of the gravity heat pipe is connected with the heat collecting cavity, and the interior of the gravity heat pipe is communicated with the interior of the heat collecting cavity; liquid working media are filled in the gravity heat pipe and the heat collecting cavity; the heat collecting cavity is provided with a connecting surface used for being connected with a component to be radiated and used for collecting heat of the component to be radiated; more than two fins are connected with the outer circumference of the gravity heat pipe along the axial direction of the gravity heat pipe; after the fins are sleeved on the gravity heat pipe, the fin flanging of the fins is attached to the outer circumference of the gravity heat pipe. The contact area between the fins and the gravity heat pipe body is increased by increasing the flanging height of the fins, so that the heat dissipation efficiency of the fins is increased.
Description
Technical Field
The invention relates to a radiator, in particular to a gravity assisted heat pipe radiator, and belongs to the technical field of thermal design of electronic equipment.
Background
At present, the following challenges appear in the thermal control design of electronic equipment in the communication field:
(1) the heat consumption of the chip is increased day by day, and the heat flow density is increased to 15W/cm under the natural convection environment (the wind speed is less than 0.3m/s)2The aluminum radiator of the traditional extrusion process cannot realize high-power heat dissipation and cannot meet the heat dissipation requirement of a high-power chip;
(2) the base station product has compact layout, the heat dissipation space for the heat dissipation of the high-power chip is very limited, and the heat radiator has high-power heat dissipation capability and cannot influence the temperature of other chips arranged on the PCB;
(3) the base station product has a high weight requirement for the heat sink.
Disclosure of Invention
In view of the above, the present invention provides a gravity assisted heat pipe radiator for an outdoor base station, which can achieve high power heat dissipation in a limited space, achieve sufficient collection of heat from a heat source by providing a heat collecting cavity, and increase the contact area between fins and a heat pipe body, thereby increasing the heat dissipation efficiency of a heat dissipation pipe.
The invention provides a gravity heat pipe radiator suitable for an outdoor base station, which comprises: the gravity heat pipe, the heat collection cavity and the fins; the gravity heat pipe is vertically connected to the heat collection cavity, the evaporation section of the gravity heat pipe is connected with the heat collection cavity, and the interior of the gravity heat pipe is communicated with the interior of the heat collection cavity; liquid working media are filled in the gravity heat pipe and the heat collecting cavity;
the heat collecting cavity is provided with a connecting surface used for being connected with a component to be cooled and used for collecting heat of the component to be cooled, and a capillary structure is arranged in the heat collecting cavity;
more than two fins are connected to the outer circumference of the gravity heat pipe along the axial direction of the gravity heat pipe; the fin includes: the radiating fin, the connecting sheet and the fin flanging; the connecting piece is provided with a mounting hole for sleeving the fin on the gravity heat pipe, the mounting hole is provided with a flanging serving as a fin flanging, and the fin flanging is attached to the outer circumference of the gravity heat pipe after the fin is sleeved on the gravity heat pipe.
As a preferred embodiment of the present invention: after the fins are sleeved on the gravity heat pipe, the radiating fins and the axis of the gravity heat pipe form an included angle with a set angle.
As a preferred embodiment of the present invention: after the fins are sleeved on the gravity heat pipe, the included angle between the radiating fins and the axis of the gravity heat pipe is 30 degrees.
As a preferred embodiment of the present invention: and the surface of the heat collection cavity is provided with radiating fins.
As a preferred embodiment of the present invention: and when more than two fins are arranged along the axis of the gravity heat pipe, the top of the buckling fin of the lower fin is lapped with the bottom of the buckling fin of the upper fin.
As a preferred embodiment of the present invention: more than two fins are uniformly arranged at intervals along the axis of the gravity heat pipe.
As a preferred embodiment of the present invention: the relation between the height H of the fin flanging and the thickness D of the connecting sheet is as follows: H/D is 3.4-4.9.
Has the advantages that:
(1) different from the heat collection mode of a conventional heat pipe at a heat source, the heat radiator is provided with a heat collection cavity with a capillary structure at the joint of a part to be radiated (such as a high-power chip), and the heat source of the chip can be effectively and fully collected by evaporating and absorbing heat of working media in the heat collection cavity; and the heat collection cavity is communicated with the interior of the gravity heat pipe, and the rise of steam in the gravity heat pipe is promoted by the capillary force of the capillary structure, so that the temperature difference between the heat collection cavity → the lower end of the pipe body → the upper end of the pipe body is less than 1 ℃.
(2) Through the turn-ups height that increases the fin, the area of contact of increase fin and gravity heat pipe body not only can increase the radiating efficiency of fin, can also strengthen the structural strength of radiator.
(3) The fins adopt a V-shaped design configuration with an included angle of 30 degrees with the axial direction of the gravity heat pipe, so that the heat of the wind field in a large-area natural convection environment is diffused from the middle to the periphery, and the temperature uniformity of the wind field is improved; the influence of the fins on the wind field of the whole plate radiator of the base station can be greatly reduced.
(4) In order to ensure that the radiator has certain mechanical strength, the fins are designed in a mode of fastening the fins on one side, so that the fins are not moved and do not fall off in the processes of mechanical testing, transportation and the like of the radiator.
(5) On the basis of light structure, the radiator strengthens the connection part of the gravity heat pipe and the heat collecting cavity, so that the radiator can resist the high temperature of 220 ℃, and simultaneously can solve the high temperature problem to be experienced by the whole powder spraying of a base station product after filling and delivery.
Drawings
FIGS. 1 and 2 are schematic diagrams of the gravity assisted heat pipe heat sink of the present invention;
FIG. 3 is a schematic structural view of a "V-shaped fin";
FIG. 4 is a layout diagram of the gravity assisted heat pipe radiator of the present invention in an outdoor base station.
Wherein: 1-gravity heat pipe, 2-heat collecting cavity, 3-fin, 4-mounting flange and 5-fin flanging.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
If the traditional gravity heat pipe is directly used for radiating a high-power chip (the power is more than 70W) in a 5G outdoor base station, the pipe diameter of the gravity heat pipe needs to be increased; however, the use of the gravity heat pipe with a large pipe diameter is limited due to the limited heat dissipation space of the outdoor base station, so that the gravity heat pipe cannot meet the heat dissipation requirement of a high-power chip and is easy to overheat.
Based on this, the embodiment provides a high-efficiency gravity assisted heat pipe radiator suitable for an outdoor base station, which can effectively solve the heat dissipation problem of a high-power chip (power is greater than 70W) of a 5G outdoor base station in a natural convection environment.
As shown in fig. 1 and 2, the gravity assisted heat pipe heat sink includes: the gravity heat pipe 1, the fin 3, the heat collecting cavity 2 and the mounting flange 4. Wherein, the gravity heat pipe 1 and the heat collecting cavity 2 are both made of stainless steel materials; the heat collecting cavity 2 is arranged on a chip to be cooled through a mounting flange 4, and fins are welded on the surface of the heat collecting cavity 2; the heat collecting cavity 2 is internally provided with a capillary structure for collecting heat of the chip to be radiated. In order to realize good heat conduction and improve the heat dissipation efficiency, heat-conducting filler is filled between the contact surfaces of the heat collection cavity 2 and the chip to be dissipated.
The gravity heat pipe 1 is vertically welded (welded by argon arc welding) on the upper surface of the heat collecting cavity 2 (the evaporation section of the gravity heat pipe 1 is connected with the heat collecting cavity), and the interior of the gravity heat pipe 1 is communicated with the interior of the heat collecting cavity 2, so that the rise of steam in the gravity heat pipe can be promoted by the capillary force of a capillary structure, and the temperature difference between the heat collecting cavity → the lower end of the gravity heat pipe → the upper end of the gravity heat pipe is small. A liquid filling pipe is welded (welded by argon arc welding) at the top (condensation section) of the gravity heat pipe 1 and is used for filling liquid working medium (deionized water) into the gravity heat pipe 1; the working medium drives the working medium to flow in the gravity heat pipe 1 by means of gravity and capillary force, and heat transfer is achieved. And a sealing protective sleeve is arranged at the sealing position of the liquid filling pipe and used for protecting a sealing welding point after the liquid working medium is filled. Meanwhile, in order to enhance the bearing capacity and the high temperature resistance of the radiator, the joint of the gravity heat pipe 1 and the heat collection cavity 2 is reinforced, so that the radiator can resist the high temperature of 220 ℃, and particularly, the thickness of the welding part of the bottom of the inner cavity of the gravity heat pipe 1 and the heat collection cavity 2 is increased.
And a row of fins 3 are welded (welded by reflow soldering) along the axial direction of the gravity heat pipe 1 at the outer circumference of the gravity heat pipe, and are used for exchanging heat with an external wind field. The material of fin 3 is the aluminum alloy, and adopts "V type fin", and its structure is shown as figure 2, includes: the cooling fin 6, the connecting sheet 7 and the fin flanging 5; wherein be provided with on the connection piece 7 and be used for the mounting hole on gravity heat pipe 1 with fin 3 suit, the mounting hole is provided with the turn-ups as fin turn-ups 5, can make fin 3 suit back on gravity heat pipe 1 through setting up fin turn-ups 5, and is great with gravity heat pipe 1 laminating area, has increased the area of contact of fin with the heat pipe body promptly to increase the radiating efficiency of fin. The relationship between the height H (i.e. the thickness of the fin flange) of the conventional fin flange and the thickness D (i.e. the thickness of the connecting piece 7) of the fin is as follows: H/D is 1.5 ~ 1.9, for the area of contact of increase fin and heat pipe body in this scheme, the turn-ups of fin's height H and the relation between the fin thickness D do: H/D is 3.4-4.9. Specifically, in the embodiment, the thickness D of the heat sink 6 and the connecting sheet 7 is 0.5mm, and the height H of the fin flange 5 is 2.45mm, so that the welding area of the fin 3 and the gravity assisted heat pipe 1 is increased by 160% compared with the welding area of a conventional stamped fin.
The turn-ups height that the punching press formed of tradition once can not satisfy the requirement of this fin turn-ups height, for the height of increase fin turn-ups 5, processes its technological form that adopts "variable diameter punching press drill bit" and punching press many times, specifically is: by conventional adoption ofWhen one-time punching is carried out, the aperture of the pre-drilled hole is
In order to increase the height of the fin flanging 5 through multiple times of stamping, the aperture of the pre-drilled hole is firstly reduced and is changed into the aperture of the pre-drilled hole
Then, the pre-drilled hole is punched in a five-time punching mode, and drill bits of the five-time punching die are sequentially increased to enable the aperture of the mounting hole to be sequentially increased
Simultaneously, the height of the fin flanging 5 is gradually increased; in consideration of the reliability of product stamping, the correction is carried out on the shape correction positioning tool after each stamping is finished, so that the product is prevented from being damaged.
The fins 3 are V-shaped fins, that is, after the fins 3 are sleeved on the gravity heat pipe 1, the radiating fins 6 and the gravity heat pipe 1 are V-shaped, preferably, an included angle between the radiating fins 6 and the axis of the gravity heat pipe 1 is 30 °. As shown in fig. 1 and 2, the connecting sheet 7 is of a horizontal structure, the fins are sleeved on the gravity heat pipe 1 through the mounting holes on the connecting sheet, the radiating fins 6 are inclined outwards and upwards, and the included angle between the radiating fins and the axis of the gravity heat pipe 1 is 30 degrees; the plurality of fins 3 are uniformly arranged at intervals along the axis of the gravity assisted heat pipe 1, and the radiating fins 6 of the plurality of fins 3 are arranged in the same direction of the outer circumference of the gravity assisted heat pipe 1.
In order to enhance the mechanical strength of the heat sink, the fins 3 are designed by adopting a single-side fin fastening design, as shown in fig. 3, that is, fastening fins 8 are arranged on the connecting sheet 7 at opposite sides of the heat sink 6, and the length of the upward extension of the fastening fins 8 is equal to the distance between two adjacent fins 3 on the gravity heat pipe 1, so that when the plurality of fins 3 are uniformly arranged at intervals along the axis of the gravity heat pipe 1, the top of the fastening fin 8 of the lower fin 3 is lapped and then welded with the bottom of the fastening fin 8 of the upper fin 3, so that the fins of the heat sink do not move or fall off in the processes of mechanical testing, transportation and the like.
The thicknesses of the wall of the gravity heat pipe 1 and the wall of the heat collecting cavity 2 in the radiator are both smaller than 0.4mm, the total mass of the radiator is smaller than 450g, and the structural form can ensure the heat dissipation efficiency and realize the lightening of the radiator.
The layout of the radiator on the outdoor base station is shown in fig. 4, the radiator is mounted on the chip to be radiated through the connecting flange 4 on the heat collecting cavity 2, and the length of the outward extension of the radiating fin 6 is designed according to the actual radiating space.
When the radiator is processed, firstly, processing fins, purchasing gravity heat pipes and processing a heat collecting cavity (including processing fins on the surface of the heat collecting cavity); secondly, welding the end part of the evaporation section of the gravity heat pipe on the heat collection cavity, sealing the inner and outer sides of the gravity heat pipe after welding, and carrying out surface nickel plating treatment; then, welding the fins on the gravity heat pipe, and entering a reflow oven for high-temperature tin soldering; and thirdly, filling working media into the gravity heat pipe and the heat collection cavity by using a liquid filling port at the head of the gravity heat pipe 1. And after the working medium is filled, welding and packaging the liquid filling port to form a seal, and installing a sealing protective sleeve at the seal. And finally, performing overall powder spraying treatment on the surface of the radiator.
Tests show that the heat dissipation power of the radiator can reach 70W and the heat dissipation power of a single radiator can reach 150W under the condition of the wind speed in an outdoor environment (the wind volume of a flow field is less than 0.5 m/s).
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A gravity assisted heat pipe radiator suitable for use in an outdoor base station, comprising: the gravity heat pipe (1), the heat collecting cavity (2) and the fin (3); the gravity heat pipe (1) is vertically connected to the heat collecting cavity (2), wherein an evaporation section of the gravity heat pipe (1) is connected with the heat collecting cavity (2), and the interior of the gravity heat pipe (1) is communicated with the interior of the heat collecting cavity (2); liquid working media are filled in the gravity heat pipe (1) and the heat collecting cavity (2);
the top of the gravity heat pipe (1) is provided with a liquid filling port for filling liquid working media into the gravity heat pipe (1);
the heat collecting cavity (2) is provided with a connecting surface used for being connected with a component to be cooled and used for collecting heat of the component to be cooled, a capillary structure is arranged in the heat collecting cavity, and the capillary structure is used for promoting the rising of steam in the gravity heat pipe (1);
more than two fins (3) are axially connected to the outer circumference of the gravity heat pipe (1); the fin (3) includes: the cooling fins (6), the connecting sheets (7) and the fin flanging (5); the connecting sheet (7) is provided with a mounting hole for sleeving the fin (3) on the gravity heat pipe (1), the mounting hole is provided with a flanging serving as a fin flanging (5), and the fin flanging (5) is attached to the outer circumference of the gravity heat pipe (1) after the fin (3) is sleeved on the gravity heat pipe (1);
the relation between the height H of the fin flanging (5) and the thickness D of the connecting piece (7) is as follows: H/D is 3.4-4.9;
the fin flanging (5) is formed by punching more than two times by adopting a variable-diameter punching drill bit; the variable-diameter punching drill bit comprises more than two drill bits with diameters sequentially increased, wherein the punching drill bit with the smallest diameter is used for punching a pre-drilled hole, then the diameters of the punching drill bits are sequentially increased, the pre-drilled hole is punched again until the aperture is increased to a preset diameter value, and the flanging height is increased to a set value;
more than two fins (3) are uniformly arranged at intervals along the axis of the gravity heat pipe (1); the included angle between the radiating fins (6) and the axis of the gravity heat pipe (1) is 30 degrees.
2. The gravity heat pipe radiator adapted for use in an outdoor base station of claim 1, wherein: and the surface of the heat collection cavity (2) is provided with radiating fins.
3. The gravity heat pipe radiator for use in an outdoor base station of claim 1 or 2, wherein: and buckling fins (8) are arranged on the connecting sheets (7) of the fins (3) on the opposite sides of the radiating fins (6), and when more than two fins (3) are arranged along the axis of the gravity assisted heat pipe (1), the tops of the buckling fins (8) of the lower fin (3) are overlapped with the bottoms of the buckling fins (8) of the upper fin (3).
4. The gravity heat pipe radiator for use in an outdoor base station of claim 1 or 2, wherein: and heat-conducting filler is filled between the heat collection cavity (2) and the connecting surface of the component to be radiated.
5. The gravity heat pipe radiator for use in an outdoor base station of claim 1 or 2, wherein: and after the working medium is filled, welding the liquid filling port to form a seal, and arranging a sealing protective sleeve at the seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612701.3A CN110430720B (en) | 2019-07-09 | 2019-07-09 | Gravity heat pipe radiator suitable for outdoor base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612701.3A CN110430720B (en) | 2019-07-09 | 2019-07-09 | Gravity heat pipe radiator suitable for outdoor base station |
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| Publication Number | Publication Date |
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| CN110430720A CN110430720A (en) | 2019-11-08 |
| CN110430720B true CN110430720B (en) | 2020-11-06 |
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| CN201910612701.3A Active CN110430720B (en) | 2019-07-09 | 2019-07-09 | Gravity heat pipe radiator suitable for outdoor base station |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6711019B2 (en) * | 2001-06-29 | 2004-03-23 | Matsushita Electric Industrial Co., Ltd. | Mounting fitting of heat sink and method of removing the same |
| CN1511658A (en) * | 2002-12-26 | 2004-07-14 | �ո߾�����ʽ���� | Method for producing heat exchanger fin and complete mould for producing said fin |
| CN1572388A (en) * | 2003-06-23 | 2005-02-02 | 日高精机株式会社 | Method for manufacturing cooling fin of heat exchanger and its die apparatus |
| CN2914021Y (en) * | 2005-12-31 | 2007-06-20 | 钟瑞锋 | Radiator |
| CN201318899Y (en) * | 2008-09-10 | 2009-09-30 | 深圳市神舟电脑股份有限公司 | Punching process structure for radiator capable of increasing contact area |
| CN106091432A (en) * | 2015-10-29 | 2016-11-09 | 赵炜 | A kind of solar energy system of inner fin of heat dissipation pipe drift angle change |
| CN106391911A (en) * | 2016-06-21 | 2017-02-15 | 四川长虹电器股份有限公司 | Method for manufacturing fin |
| CN106767100A (en) * | 2017-01-17 | 2017-05-31 | 重庆超力高科技股份有限公司 | Heat exchanger fin and heat exchanger |
| CN109737793A (en) * | 2018-12-29 | 2019-05-10 | 西安交通大学 | A kind of bionical undaform fin for air-conditioning heat exchanger |
| US10328482B2 (en) * | 2015-06-09 | 2019-06-25 | Toyota Boshoku Kabushiki Kaisha | Method for manufacturing metal compact and apparatus for manufacturing metal compact |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM241626U (en) * | 2003-09-30 | 2004-08-21 | Huei-Ran Wu | Improvement on heat-dissipating fin assembly comprising heat pipe coupled to heat-dissipating fin |
| CN2720631Y (en) * | 2003-11-25 | 2005-08-24 | 陈德荣 | Fin heat-tube radiator |
| CN101029803B (en) * | 2006-02-28 | 2011-03-09 | 庞立升 | Evaporator and heat absorber of separated gravity hot pipe |
| CN102563585A (en) * | 2012-02-02 | 2012-07-11 | 郭琛 | Heat pipe radiator for high-power LED lamp |
| JP6314106B2 (en) * | 2015-03-16 | 2018-04-18 | リンナイ株式会社 | Heat transfer fin for heat exchanger and heat exchanger provided with the same |
| CN106643255B (en) * | 2016-10-31 | 2018-11-06 | 宁波方太厨具有限公司 | A kind of heat exchange fin |
| CN106604608B (en) * | 2016-12-02 | 2019-04-12 | 廖忠民 | Vertical thermal conductive surface heat-pipe radiator |
| CN106643246A (en) * | 2017-01-23 | 2017-05-10 | 中车大连机车研究所有限公司 | Composite wick type special-shaped heat pipe radiator |
| CN207741182U (en) * | 2017-11-07 | 2018-08-17 | 田化勇 | Aluminum fin-stock |
| CN109029015A (en) * | 2018-06-28 | 2018-12-18 | 苏州爱尔玛特环保节能科技有限公司 | A kind of derotation is to formula Laser Welding finned tube |
| CN209013526U (en) * | 2018-10-09 | 2019-06-21 | 长虹美菱股份有限公司 | A kind of new refrigerator auxetic evaporator fin |
-
2019
- 2019-07-09 CN CN201910612701.3A patent/CN110430720B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6711019B2 (en) * | 2001-06-29 | 2004-03-23 | Matsushita Electric Industrial Co., Ltd. | Mounting fitting of heat sink and method of removing the same |
| CN1511658A (en) * | 2002-12-26 | 2004-07-14 | �ո߾�����ʽ���� | Method for producing heat exchanger fin and complete mould for producing said fin |
| CN1572388A (en) * | 2003-06-23 | 2005-02-02 | 日高精机株式会社 | Method for manufacturing cooling fin of heat exchanger and its die apparatus |
| CN2914021Y (en) * | 2005-12-31 | 2007-06-20 | 钟瑞锋 | Radiator |
| CN201318899Y (en) * | 2008-09-10 | 2009-09-30 | 深圳市神舟电脑股份有限公司 | Punching process structure for radiator capable of increasing contact area |
| US10328482B2 (en) * | 2015-06-09 | 2019-06-25 | Toyota Boshoku Kabushiki Kaisha | Method for manufacturing metal compact and apparatus for manufacturing metal compact |
| CN106091432A (en) * | 2015-10-29 | 2016-11-09 | 赵炜 | A kind of solar energy system of inner fin of heat dissipation pipe drift angle change |
| CN106391911A (en) * | 2016-06-21 | 2017-02-15 | 四川长虹电器股份有限公司 | Method for manufacturing fin |
| CN106767100A (en) * | 2017-01-17 | 2017-05-31 | 重庆超力高科技股份有限公司 | Heat exchanger fin and heat exchanger |
| CN109737793A (en) * | 2018-12-29 | 2019-05-10 | 西安交通大学 | A kind of bionical undaform fin for air-conditioning heat exchanger |
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