CN106312219B - A kind of welder and welding method of heat-pipe radiator - Google Patents
A kind of welder and welding method of heat-pipe radiator Download PDFInfo
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- CN106312219B CN106312219B CN201610872398.7A CN201610872398A CN106312219B CN 106312219 B CN106312219 B CN 106312219B CN 201610872398 A CN201610872398 A CN 201610872398A CN 106312219 B CN106312219 B CN 106312219B
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- Prior art keywords
- heat
- pipe
- radiating fin
- conducting block
- welder
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/14—Heat exchangers
Abstract
The present invention relates to heat sink technology fields, more particularly to the welder and welding method of a kind of heat-pipe radiator.Welder includes localization tool, coil and upper cover body, has heat-conducting block locating slot, heat pipe locating slot and the radiating fin locating slot for making the heat-conducting block, heat pipe and radiating fin positioning respectively on localization tool；Coil is that multi-turn enamel covered wire is wound on ferrite core, coil is fixed on the downside of the upper cover body, when welding heat-pipe radiator, upper cover body covers on heat-pipe radiator to be welded on localization tool, by the pulse power generator high frequency voltage is provided to coil, coil is set to generate high speed changing magnetic field, when the magnetic line of force in magnetic field passes through heat-conducting block to be welded, heat pipe, when radiating fin and scolding tin slurry, countless small vortex are generated in these metallic objects to be welded, making metal to be welded itself, voluntarily high speed is generated heat, achieve the purpose that certain temperature postcooling reaches welding heat-pipe radiator.Present invention heating is rapid, easily operated, at low cost.
Description
Technical field
The present invention relates to heat sink technology field, the welder more particularly to a kind of heat-pipe radiator and welding side
Method.
Background technology
Heat-pipe radiator due to heat pipe high thermoconductivity, it is light-weight, simple in structure, cheap, do not need electric power i.e.
The advantages that amount of heat can be transmitted, needs the occasion to radiate to be widely applied various.Such as to electronic heating component CPU
The quick diversion heat dissipation of the big integrated device of equal calorific values, heat is gathered caused by effectively reducing electronic heating component fever, ensures
The normal work of electronic building brick.Fig. 1 is can be found in, heat-pipe radiator includes heat-conducting block 1, heat pipe 2 and radiating fin 3, and is being dissipated
Hot fin 3 is equipped with welding groove, and one end of heat pipe 2 is welded in the welding groove of radiating fin 3, and the other end of heat pipe 2 is welded on
On heat-conducting block 1, one end that heat pipe 2 is connect with heat-conducting block 1 is known as evaporation ends, and one end that heat pipe 2 is connect with radiating fin 3 is referred to as cold
Solidifying end.Heat-conducting block 1 is in close contact with electronic heating element, and dissipating for condensation end is passed to by heat pipe 2 by the heat of evaporation ends
It distributes on hot fin 3, is passed more quickly and loss generally for the heat for alloing electronic heating component to generate,
Can generally it coordinate radiator fan that quickly heat blows off.
The method of making heat-pipe radiator is at present：Heat-conducting block 1 to be welded, radiating fin 3 are put into respectively with fixed
In the jig of bit function, then the heat-conducting block 1 connected is needed to weld when low melting point metal slurry being applied to welding by dispenser
Face, radiating fin 3 welding groove in, then the both ends of heat pipe 2 are individually positioned in 1 welding surface of heat-conducting block and radiating fin 3
In welding groove, the upper cover body of jig is covered, is re-fed into reflow stove heat hot melt；Due to there is the upper cover body of fixed and dustproof effect to exist
Above object to be welded, high-power heating reflow oven is not only needed, and need longer weld interval, in order to improve process velocity,
Frequently with the sealed heating reflow furnace structure of long-channel, when heating, delays connected components to be welded by metal belt in reflow oven
It goes slowly into cost is not only high, also adds clamp upper cover and jig, the processes such as removal clip.
Invention content
Time length, the problem of high cost that the present invention is needed for welding heat-pipe radiator in the prior art, and study and set
Count that a kind of weld interval is short, welder and welding method at low cost and easy to operate heat-pipe radiator.
The technical solution adopted by the present invention is：
A kind of welder of heat-pipe radiator, the heat-pipe radiator include heat-conducting block, heat pipe and radiating fin, spy
Sign is that the welder includes localization tool, coil and upper cover body, and have on the localization tool makes the heat conduction respectively
Heat-conducting block locating slot, heat pipe locating slot and the radiating fin locating slot of block, heat pipe and radiating fin positioning；The coil is in iron
Multi-turn enamel covered wire is wound on Gan oxygen magnetic cores, the coil is fixed on the downside of the upper cover body, when welding radiator, it is described on
Lid covers on heat-pipe radiator to be welded on localization tool, and high-frequency electrical is provided to the coil by pulse power generator
Pressure.
Further, the welder further includes the insulation ceramic press block being fixed on the downside of the upper cover body, when described
Upper cover body is covered when on the localization tool, and the ceramics briquetting compresses downwards heat pipe, and the both ends of the heat pipe is made to press respectively
Tightly in the top of the heat-conducting block and radiating fin.
Further, the localization tool and upper cover body are insulating ceramic materials.
Further, the upper cover body is covered when on the localization tool, and two coils are located at the heat dissipation
The surface of fin and the heat-conducting block.
Further, the welder further includes being sensed for detecting the infrared temperature of heat pipe and radiating fin temperature
Device.
Further, it is respectively provided on the localization tool at the heat pipe locating slot and radiating fin locating slot for installing
The first mounting hole and the second mounting hole of infrared temperature sensor, first mounting hole are set close to the heat-conducting block locating slot
It sets.
Further, the welder further includes being enclosed in the insulation platform of heat of the localization tool surrounding and being enclosed in
The workbench of the insulation platform of heat surrounding.
Further, the pulse power generator includes rectification circuit and control circuit, and the rectification circuit is by 50/
The alternating voltage of 60Hz is converted to DC voltage, and it is the big of 20-40KHz that DC voltage, which is converted to frequency, using control circuit
Power high frequency voltage.
A kind of welding method of heat-pipe radiator, which is characterized in that include the following steps：
S1, the heat-conducting block locating slot and radiating fin locating slot that heat-conducting block and radiating fin are respectively put into localization tool
In；
S2, the spot printing scolding tin slurry in the welding groove of the upper surface of heat-conducting block and radiating fin；
S3, heat pipe is correspondingly placed on the heat-conducting block and radiating fin, while heat pipe is located at the heat pipe locating slot
In；
S4, the upper cover body with coil and ceramic briquetting is covered on localization tool, ceramic briquetting is made to be pressed on heat pipe, it will
Heat pipe is fitted closely with heat-conducting block and radiating fin；
S5, high-frequency pulse voltage, the meeting when voltage of high speed transformation passes through coil are led to coil by pulse power generator
High speed changing magnetic field is generated, when the magnetic line of force in magnetic field passes through heat-conducting block to be welded, heat pipe, radiating fin and scolding tin slurry
When, these welding metal bodies are interior to generate countless small vortex, makes metallic object to be welded voluntarily fast heating itself, after reaching certain temperature
It is cooling, you can to complete welding.
Further, when the temperature that any infrared temperature sensor detects reaches the threshold value of setting, controller control
Pulse power generator processed adjusts the pulse duty cycle of the input high frequency voltage of corresponding coil above it, makes this infrared temperature
The Near Threshold that the temperature of sensor detection is kept；Until another infrared temperature sensor detects that temperature also reaches the threshold of setting
When value, turn-off pulse power source generator stops to two coil power supplies.
Compared with the existing technology, the present invention apparently has the advantages that：
1, do not need high-power heating reflow oven, by coil input high-frequency pulse voltage can be realized to heat-conducting block,
Heat pipe, radiating fin and scolding tin room temperature, the heating welding method of thermal energy is converted electric energy to using electromagnetic induction principle, is added
The hot time is short, and utilization efficiency of heat energy is high and greatly reduces cost.
2, the top of heat-conducting block and radiating fin is separately positioned on using two groups of coils, two temperature sensors obtain respectively
The temperature of heat pipe temperature and radiating fin, and by control respectively two coils input voltage pulse duty cycle to control heat
The temperature of tube temperature degree and radiating fin, guaranteeing temperature fast melt scolding tin slurry and can will not make because temperature is excessively high and swollen
Swollen damage.
Description of the drawings
Stereogram after heat-pipe radiator to be welded is placed on localization tool by Fig. 1 in the prior art；
Fig. 2 is explosive view of the embodiment of the present invention；
Fig. 3 is localization tool schematic diagram of the embodiment of the present invention；
Fig. 4 is that upper cover body, coil connect stereogram with ceramic briquetting；
Fig. 5 is localization tool, insulation platform of heat and workbench connection diagram.
In figure, 1, heat-conducting block, 2, heat pipe, 3, radiating fin, 31, welding groove, 4, localization tool, 41, heat-conducting block locating slot,
42, heat pipe locating slot, 43, radiating fin locating slot, the 44, first mounting hole, the 45, second mounting hole, 5, coil, 6, upper cover body,
7, ceramic briquetting, 8, pulse power generator, 9, infrared temperature sensor, 10, insulation platform of heat, 11, workbench.
Specific implementation mode
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In the description of the present invention, it is to be understood that, term " radial direction ", " axial direction ", "upper", "lower", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As depicted in figs. 1 and 2,2 radiator of heat pipe includes heat-conducting block 1, heat pipe 2 and radiating fin 3, in conjunction with Fig. 1-Fig. 5, weldering
Connection device includes localization tool 4, coil 5, upper cover body 6 and ceramic briquetting 7, and having referring to Fig. 3, on localization tool 4 makes to lead respectively
Heat-conducting block locating slot 41, heat pipe locating slot 42 and the radiating fin locating slot 43 that heat block 1, heat pipe 2 and radiating fin 3 position；Ginseng
See that Fig. 4, coil 5 are that multi-turn enamel covered wire is wound on ferrite core, coil 5 is fixed on the downside of upper cover body 6, welding heat dissipation
When device, upper cover body 6 on localization tool 4, carries 2 radiator cover of heat pipe to be welded by pulse power generator 8 to coil 5
For high frequency voltage.When welding 2 radiator of heat pipe, heat-conducting block 1, heat pipe 2 and radiating fin 3 are separately positioned on heat-conducting block locating slot
41, in heat pipe locating slot 42 and radiating fin locating slot 43, the evaporation ends of wherein heat pipe 2 are arranged in the top of heat-conducting block 1, heat pipe
2 radiating end is arranged in the welding groove 31 of radiating fin 3, when upper cover body 6 is covered on localization tool 4, is fixed on upper cover body 6
The ceramic briquetting 7 of downside compresses downwards heat pipe 2, and the both ends of heat pipe 2 is made to be pressed on the upper of heat-conducting block 1 and radiating fin 3 respectively
Side.
In the present embodiment, localization tool 4 and upper cover body 6 are insulating ceramic materials.
As a preferred embodiment, upper cover body 6 is covered when on localization tool 4, two coils 5 are located at heat dissipation
The surface of fin 3 and heat-conducting block 1.
In the present embodiment, be respectively provided on the localization tool 4 at heat pipe locating slot 42 and radiating fin locating slot 43 for
The first mounting hole 44 and the second mounting hole 45 of infrared temperature sensor 9 are installed, the first mounting hole 44 is close to heat-conducting block locating slot
41 settings, two infrared temperature sensors 9 are separately mounted in the first mounting hole 44 and the second mounting hole 45, right respectively for measuring
The coil 5 that should be disposed there above makes the size of the temperature of heat pipe 2 and the generation heat of radiating fin 3.
In the present embodiment, referring to Fig. 5, welder further include be enclosed in 4 surrounding of localization tool insulation platform of heat 10 and
It is enclosed in the workbench 11 of 10 surrounding of the insulation platform of heat.
Wherein, pulse power generator 8 includes rectification circuit and control circuit, and rectification circuit is by the alternating current of 50/60Hz
Pressure is converted to DC voltage, and DC voltage is converted to the high-power high-frequency electricity that frequency is 20-40KHz using control circuit
Pressure.
Specifically the welding method of 2 radiator of heat pipe is：
S1, heat-conducting block 1 and radiating fin 3 are respectively put into the heat-conducting block locating slot 41 of localization tool 4 and radiating fin is determined
In the slot 43 of position；
S2, the spot printing scolding tin slurry in the welding groove 31 of the upper surface of heat-conducting block 1 and radiating fin 3；
S3, heat pipe 2 is correspondingly placed on the heat-conducting block 1 and radiating fin 3, while heat pipe 2 is located at the heat pipe and determines
In the slot 42 of position；
S4, the upper cover body 6 with coil 5 and ceramic briquetting 7 is covered on localization tool 4, ceramic briquetting 7 is made to be pressed in heat pipe
On 2, heat pipe 2 and heat-conducting block 1 and radiating fin 3 are fitted closely；
S5, high-frequency pulse voltage is led to coil 5 by pulse power generator 8, when the voltage of high speed transformation is by coil 5
High speed changing magnetic field is will produce, when the magnetic line of force in magnetic field passes through heat-conducting block 1 to be welded, heat pipe 2, radiating fin 3 and scolding tin
When slurry, countless small vortex are generated in these welding metal bodies, makes metallic object to be welded voluntarily fast heating itself, reaches certain
Temperature postcooling, you can complete welding.
When the temperature that any infrared temperature sensor 9 detects reaches the threshold value of setting, controller controls the pulse power
Generator 8 stops inputting high frequency voltage to corresponding coil 5 above it, and enters keeping warm mode；When another infrared temperature passes
When sensor 9 detects that temperature also reaches the threshold value of setting, turn-off pulse power source generator 8 stops powering to two coils 5.
Controllability high power high frequency pulse power source can be used and control two groups of coils 5 respectively, pulse power generator 8 not only needs
The PWM type exciting currents for generating high frequency make coil 5 generate high frequency magnetic field, it is also necessary to be detected according to infrared temperature sensor 9
Temperature information controls the width and duty ratio of pwm pulse, to control the height of heating temperature so that scolding tin slurry being capable of Cheng Rong
Melt state, and heat pipe is not also inflated damage, plays the role of welding together heat pipe 2 and heat-conducting block 1 and radiating fin 3.
In the present embodiment, a heat pipe 2 and heat-conducting block 1 and 3 welded structure of radiating fin and method has been illustrated,
Often more heat pipes and radiating fin are welded simultaneously simultaneously in practical application, it only need to be in welding, by the two of more heat pipes
End is individually positioned on heat-conducting block and radiating fin, and specific Fundamentals of Welding and welding method are identical with the present embodiment, here no longer
It repeats.
Above-mentioned desirable embodiment according to the present invention is enlightenment, and through the above description, relevant staff is complete
Can various changes and amendments be carried out without departing from the scope of the technological thought of the present invention'.This invention it is technical
Range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (9)
1. a kind of welder of heat-pipe radiator, the heat-pipe radiator includes heat-conducting block (1), heat pipe (2) and radiating fin
(3), which is characterized in that the welder includes localization tool (4), coil (5) and upper cover body (6), the localization tool (4)
It is upper to be positioned with the heat-conducting block locating slot (41) for respectively positioning the heat-conducting block (1), heat pipe (2) and radiating fin (3), heat pipe
Slot (42) and radiating fin locating slot (43)；The coil (5) is that multi-turn enamel covered wire, the line are wound on ferrite core
Circle (5) is fixed on the downsides of the upper cover body (6), and when welding heat-pipe radiator, the upper cover body (6) is by heat pipe to be welded
(2) radiator cover provides high frequency voltage by pulse power generator (8) on localization tool (4) to the coil (5)；
The welder further includes the insulation ceramic press block (7) being fixed on the downside of the upper cover body (6), when the upper cover body
(6) it covers when on the localization tool (4), the ceramics briquetting (7) compresses downwards heat pipe (2), makes the two of the heat pipe (2)
End is pressed on the top of the heat-conducting block (1) and radiating fin (3) respectively.
2. the welder of heat-pipe radiator according to claim 1, which is characterized in that the localization tool (4) and upper
Lid (6) is insulating ceramic materials.
3. the welder of heat-pipe radiator according to claim 1, which is characterized in that the upper cover body (6) is covered in institute
When stating on localization tool (4), two coils (5) be located at the radiating fin (3) and the heat-conducting block (1) just on
Side.
4. the welder of heat-pipe radiator according to claim 1, which is characterized in that the welder further includes using
To detect the infrared temperature sensor (9) of heat pipe (2) and radiating fin (3) temperature.
5. the welder of heat-pipe radiator according to claim 4, which is characterized in that the heat pipe locating slot (42) and
The first peace for installing infrared temperature sensor (9) is respectively provided on localization tool (4) at radiating fin locating slot (43)
Hole (44) and the second mounting hole (45) are filled, first mounting hole (44) is arranged close to the heat-conducting block locating slot (41).
6. the welder of heat-pipe radiator according to claim 1, which is characterized in that the welder further includes packet
It is trapped among the insulation platform of heat (10) of the localization tool (4) surrounding and is enclosed in the workbench of the insulation platform of heat (10) surrounding
(11)。
7. the welder of heat-pipe radiator according to claim 1, which is characterized in that the pulse power generator
(8) include rectification circuit and control circuit, the alternating voltage of 50/60Hz is converted to DC voltage by the rectification circuit, then is passed through
It crosses control circuit and DC voltage is converted to the high-power high-frequency voltage that frequency is 20-40KHz.
8. a kind of welding method using the welder such as heat-pipe radiator according to any one of claims 1 to 7, special
Sign is, includes the following steps：
S1, the heat-conducting block locating slot (41) and heat radiating fin that heat-conducting block (1) and radiating fin (3) are respectively put into localization tool (4)
In piece locating slot (43)；
S2, the interior spot printing scolding tin slurry of the welding groove (31) in the upper surface of heat-conducting block (1) and radiating fin (3)；
S3, heat pipe (2) is correspondingly placed on the heat-conducting block (1) and radiating fin (3), while heat pipe (2) is located at the heat
In pipe locating slot (42)；
S4, the upper cover body (6) with coil (5) and ceramic briquetting (7) is covered on localization tool (4), ceramic briquetting (7) is made to press
On heat pipe (2), heat pipe (2) and heat-conducting block (1) and radiating fin (3) are fitted closely；
S5, high-frequency pulse voltage is led to coil (5) by pulse power generator (8), the voltage of high speed transformation passes through coil (5)
When will produce high speed changing magnetic field, when the magnetic line of force in magnetic field passes through heat-conducting block (1) to be welded, heat pipe (2), radiating fin
(3) and when scolding tin slurry countless small vortex, are generated in these welding metal bodies, make metallic object to be welded voluntarily fast heating itself,
Reach certain temperature postcooling, you can complete welding.
9. welding method according to claim 8, which is characterized in that the welder further includes for detecting heat pipe
(2) and the infrared temperature sensor (9) of radiating fin (3) temperature, the temperature that any infrared temperature sensor (9) detects
When reaching the threshold value of setting, controller controls the input high frequency that pulse power generator (8) adjusts corresponding coil above it
The pulse duty cycle of voltage, the Near Threshold for making the temperature that this infrared temperature sensor (9) detects keep；Until another infrared temperature
When degree sensor (9) detects that temperature also reaches the threshold value of setting, turn-off pulse power source generator (8) stops to two coils (5)
Power supply.
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| CN201610872398.7A CN106312219B (en) | 2016-09-30 | 2016-09-30 | A kind of welder and welding method of heat-pipe radiator |
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| CN201610872398.7A CN106312219B (en) | 2016-09-30 | 2016-09-30 | A kind of welder and welding method of heat-pipe radiator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107026008B (en) * | 2017-04-24 | 2018-04-17 | 浙江田中精机股份有限公司 | Air core coil spooling equipment |
| CN108581278A (en) * | 2018-03-28 | 2018-09-28 | 无锡华光锅炉股份有限公司 | A method of reducing Membrane Economizer welded stress |
| CN110686911B (en) * | 2019-09-11 | 2021-05-18 | 江苏理工学院 | Fan performance testing device and method based on infrared image detection |
| CN111760370A (en) * | 2020-08-06 | 2020-10-13 | 中山市史麦斯净水科技有限公司 | Filter element shell structure of water purifier and preparation method thereof |
| CN112077431B (en) * | 2020-09-10 | 2022-08-02 | 无锡海菲焊接设备有限公司 | Copper mesh welding process of VC radiator and automatic welding machine thereof |
| TWI795815B (en) * | 2021-06-18 | 2023-03-11 | 亞旭電腦股份有限公司 | Method for assembling heat dissipation device and heat dissipation device |
| TWI832349B (en) * | 2022-07-21 | 2024-02-11 | 大陸商深圳興奇宏科技有限公司 | Method for manufacturing heat dissipation device |
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| JP2004351503A (en) * | 2003-05-30 | 2004-12-16 | Matsushita Electric Ind Co Ltd | Method and device for brazing aluminum member |
| CN103769709A (en) * | 2012-10-21 | 2014-05-07 | 博大科技股份有限公司 | Welding method for outer metal cover and plate body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8701966B2 (en) * | 2012-01-24 | 2014-04-22 | Apple Inc. | Induction bonding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06297137A (en) * | 1993-04-13 | 1994-10-25 | Tomishiyou:Kk | High frequency induction coil for brazing and brazing method by using this coil |
| JP2004351503A (en) * | 2003-05-30 | 2004-12-16 | Matsushita Electric Ind Co Ltd | Method and device for brazing aluminum member |
| CN103769709A (en) * | 2012-10-21 | 2014-05-07 | 博大科技股份有限公司 | Welding method for outer metal cover and plate body |
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| CN106312219A (en) | 2017-01-11 |
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