CN103692042A - Method for connecting micro-strip plate and metal shell - Google Patents

Method for connecting micro-strip plate and metal shell Download PDF

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Publication number
CN103692042A
CN103692042A CN201310615361.2A CN201310615361A CN103692042A CN 103692042 A CN103692042 A CN 103692042A CN 201310615361 A CN201310615361 A CN 201310615361A CN 103692042 A CN103692042 A CN 103692042A
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CN
China
Prior art keywords
micro
metal shell
band plate
welding
strip plate
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Pending
Application number
CN201310615361.2A
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Chinese (zh)
Inventor
朱立楠
徐清
李雷
胥翔
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Shanghai Aerospace Measurement Control Communication Institute
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Shanghai Aerospace Measurement Control Communication Institute
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Priority to CN201310615361.2A priority Critical patent/CN103692042A/en
Publication of CN103692042A publication Critical patent/CN103692042A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00Soldering, e.g. brazing, or unsoldering

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)

Abstract

The invention discloses a method for connecting a micro-strip plate and a metal shell. The method comprises the following steps of firstly, performing trial assembly on the micro-strip plate and the metal shell to enable the micro-strip plate and the metal shell to be of the same size; secondly, placing the metal shell on a heating platform, preheating the metal shell through the heating platform, and cutting a sheet-like welding sheet according to the bottom surface size of the micro-strip plate; thirdly, coating the bottom of the micro-strip plate with tin through temperature control electric iron and the welding sheet; fourthly, sandwiching the cut sheet-like welding sheet between the tin-coated micro-strip plate and the metal shell; fifthly, pressing a micro-strip plate welding configuration tool against the micro-strip plate for heating welding, after the welding sheet is completely molten, de-energizing the heating platform, naturally cooling the welding sheet, and removing the welding sheet from the heating platform; finally, detecting the welding melting situation of the micro-strip plate and the metal shell through an X-ray machine, and if the welding is qualified, cleaning the micro-strip plate through absolute ethyl alcohol. According to the method, high electric conductivity, high thermal conductivity and high connection strength can be provided between the micro-strip plate and the metal shell, and the performance requirements of an electronic product can be met.

Description

The method of attachment of a kind of micro-band plate and metal shell
Technical field
The present invention relates to being connected of micro-band plate and metal shell in electronic product, relate in particular in aerospace product the reliability of product thermal conductivity, ground connection property and weld strength is had to micro-band plate of requirements at the higher level and the method for attachment of metal shell.
Background technology
Micro-band plate will be realized electric conductivity with metal shell and be connected with the good of thermal conductivity, and common method of attachment is screw cascade synthesis or welding.
In prior art, being connected by screw micro-band plate and metal shell is the most traditional method, but due between micro-band plate and metal shell and nisi plane, after screw connects, between micro-band plate and metal shell, there is a large amount of the air gaps, so screw connects, connection reliable, continuous, high conformity be can not provide, thereby the ground connection of micro-band plate and metal shell and the conducting effect of heat etc. had a strong impact on.And, if micro-band plate operating frequency is very high, when being connected rear poor connectivity with metal shell by micro-band plate, the electrical property of micro-band plate is had to serious impact.
Present micro-band plate trends towards welding with being connected of metal shell, due to performance requirements such as the micro-band plate by after welding can meet electrically, heat conduction.Therefore, be necessary to provide a kind of electric conductivity, heat conductivility, weld strength all can meet micro-band plate that aerospace properties of product require and the method for attachment of metal shell.
Summary of the invention
In order to overcome the defect of prior art, the present invention aims to provide a kind ofly has good conductive, heat conductivility, and the larger micro-band plate of weld strength and the method for attachment of metal shell.
To achieve these goals, the invention provides the method for attachment of a kind of micro-band plate and metal shell, its concrete step comprises:
S1: by micro-band plate and metal shell trial assembly, and the appearance and size of described micro-band plate, installation dimension and described metal shell are matched;
S2: described metal shell is placed on heating platform, and opens described heating platform to described metal shell preheating;
S3: tin is warded off in described micro-band plate bottom by a temperature control electric soldering iron and a sheet weld tabs;
S4: a sheet weld tabs is padded between the micro-band plate and described metal shell of warding off tin, by micro-band plate welding configuration frock, be pressed on described micro-band plate and heating welding, after described sheet weld tabs dissolves completely, close heating platform power supply and take described heating platform away;
S5: until described micro-band plate and metal shell cooling after, clean described micro-band plate and described metal shell.
Preferably, described step S2 further comprises:
S21: open heating platform, and described metal shell is positioned over to heating platform preheating;
S22: by absolute ethyl alcohol by the contact-making surface scrub of described micro-band plate and described metal shell;
S23: the size cutting moulding of a sheet weld tabs being pressed to micro-band plate bottom surface.
Preferably, described metal shell and warded off the sheet weld tabs that described step S23 cutting moulding is set between micro-band plate of tin.
Preferably, described heating platform is temp. controllable heating platform, and be not less than 10 minutes the preheating time of described metal shell, and preheat temperature regulates heating-up temperature according to the fusing point of described sheet weld tabs.
Preferably, described sheet weld tabs is low temperature weld tabs, due to micro-band plate non-refractory, therefore selects low temperature weld tabs, and this low temperature weld tabs size is identical with micro-band plate size.
Preferably, described step S4 further comprises: by a suction tin rope, absorb unnecessary tin, using temperature control electric soldering iron and sheet weld tabs to ward off after tin micro-band plate bottom, if the bottom surface out-of-flatness of micro-band plate can be absorbed remaining tin clean by inhaling tin rope.
Preferably, described step S5 further comprises: until described micro-band plate and described metal shell cooling after, by an X-ray machine, detect welding melting effect, and check micro-band plate smooth, without cleaning described micro-band plate and described metal shell with absolute ethyl alcohol after distortion, not damaged.
The method of preferably, cleaning by craft cleans up described micro-band plate and described metal shell.
Compared with prior art, beneficial effect of the present invention is as follows:
1, the method for attachment of micro-band plate of the present invention and metal shell, after configuring frock pressurization by welding, weld, it is simple, easy to operate that it connects process, and good electric conductivity can be provided between micro-band plate and metal shell, so that micro-band plate is realized good ground connection continuously.
2, the method for attachment of micro-band plate provided by the invention and metal shell, is connected with metal shell by good thermal conductivity and bonding strength by this micro-band plate, not only increases the rigidity of micro-band plate, prevents the distortion of micro-band plate micro-band plate in welding process; And the heat producing when making micro-band plate and being welded in other high power components and parts work on micro-band plate can dispel the heat rapidly, to play the effect of radiator, efficiently solve the heat dissipation problem of high-power component.
Accompanying drawing explanation
Fig. 1 is the method for attachment flow chart of micro-band plate of the invention process and metal shell;
Fig. 2 is the assembly tooling schematic diagram of micro-band plate of the invention process and metal shell.
Symbol list:
10-welding configuration frock, the micro-band plate of 11-, 12-sheet weld tabs, 13-heating platform, 14-metal shell.
the specific embodiment:
Referring to the accompanying drawing that the embodiment of the present invention is shown, below will describe in more detail the present invention.Yet the present invention can be with realizations such as multi-form, specifications, and should not be construed as the restriction of the embodiment being subject in this proposition.On the contrary, it is abundant and complete open in order to reach proposing these embodiment, and makes more relevant those skilled in the art person understand scope of the present invention completely.In these accompanying drawings, for clearly visible, may zoom in or out relative size.
First with reference to figure 1, describe the method for attachment of micro-band plate of the invention process and metal shell in detail, be illustrated in figure 1 micro-band plate and be connected process chart with metal shell, known, this micro-band plate is connected process with metal shell and comprises: S1: by micro-band plate and metal shell trial assembly; S2: open heating platform metal shell is heated, and cutting sheet weld tabs; S3: micro-band plate is warded off to tin; S4; To micro-band plate pressurized, heated and weld this micro-band plate; S5: micro-band plate is carried out to manual cleaning.By welding, configure metal shell and micro-band plate method of attachment of after frock pressurization, welding simple, easy to operate, and can between micro-band plate and metal shell, provide good electric conductivity, thermal conductivity and high bonding strength, thereby can meet the performance requirement of electronic product in aerospace system.
As shown in Figure 2, when this metal shell 14 and micro-band plate 11 are welded, this metal shell 14 is arranged on heating platform 13, and this micro-band plate 11 is connected with metal shell 14, concrete, between this micro-band plate 11 and metal shell 14, be provided with the sheet weld tabs 12 identical with the size of micro-band plate 11, by welding configuration frock 10 is pressed to put on micro-band plate 11, weld.Wherein, due to micro-band plate 11 non-refractories, need this sheet weld tabs 12 to be chosen as low temperature weld tabs, such as using the weld tabs of the types such as 80IN15Pb5Ag, 62Sn36Pb2Ag, 97IN3Ag; This heating platform 13 is a temp. controllable heating platform 13, is regulated metal shell 14 is carried out to preheating, and be not less than 10 minutes preheating time by heating platform 13 temperature, and preheat temperature regulates heating-up temperature according to the fusing point of the sheet weld tabs 12 of selecting.And, if tin out-of-flatness is warded off in micro-band plate bottom after warding off tin, can inhale tin rope by use and remaining tin be absorbed clean.
In specific implementation process, can be connected with micro-band plate metal shell with Fig. 2 in conjunction with Fig. 1, the concrete steps of its connection are as follows:
S1: by micro-band plate and metal shell trial assembly, the appearance and size of this micro-band plate, installation dimension and metal shell match;
S2: metal shell is placed on temp. controllable heating platform, and opens this temp. controllable heating platform to metal shell preheating;
Wherein, this step S2 specifically comprises:
S21: open temp. controllable heating platform, and metal shell is positioned over to the preheating of temp. controllable heating platform;
S22: by absolute ethyl alcohol by the contact-making surface scrub of micro-band plate and metal shell;
S23: the size cutting moulding of a sheet weld tabs being pressed to micro-band plate bottom surface;
S3: tin is warded off in micro-band plate bottom by a temperature control electric soldering iron and a sheet weld tabs;
S4: the sheet weld tabs of cutting moulding is padded between the micro-band plate and described metal shell of warding off tin, by micro-band plate welding configuration frock, be pressed on this micro-band plate and carry out heating welding and connect, after this sheet weld tabs range estimation is dissolved completely, close temp. controllable heating platform power supply, after making it naturally cooling and take heat block away;
S5: until this micro-band plate and metal shell cooling after, by an X-ray machine, detect welding melting situation, and check whether micro-band plate smooth, distortion, damage, without obvious empty situation, and welding effect well after, clean micro-band plate and metal shell.
In specific implementation process, it is low temperature weld tabs that the sheet weld tabs using in tin process is warded off in micro-band plate bottom, is cut into matrix shape weld tabs can be same weld tabs with this.And in actual application, after welding successfully, the method that generally need to clean by craft thoroughly cleans up this micro-band plate and metal shell with absolute ethyl alcohol.
The present invention configures frock by welding and pressurizes, and the process that the micro-band plate welding after heating by heating platform is connected with metal shell is simple, easy to operate, and can between micro-band plate and metal shell, provide good electric conductivity, thermal conductivity and high bonding strength, efficiently solve distortion in micro-band plate welding process and the heat dissipation problem during high power, and make to obtain continuous, good ground connection between micro-band plate and metal shell, can meet the performance requirement of electronic product completely.
Yet, the method of attachment of micro-band plate provided by the invention and metal shell, being not limited to the present embodiment is limited, the method of attachment step of this micro-band plate and metal shell, be not limited in the concrete order that the present embodiment proposes, also can be shaped to its sheet weld tabs cutting, the step such as each device weld after placing again, check, cleaning, as long as can reach good welding effect, improve the performance of micro-band plate; And the sheet weld tabs proposing in this invention and heating platform regulate the scope of temperature to be not limited to the present embodiment and propose to be limited, and can change according to micro-band plate of concrete use and weld tabs fusing point.
Obviously, those skilled in the art can carry out various changes and distortion and not depart from the spirit and scope of the present invention the present invention.Like this, if these modifications of the present invention and distortion belong in the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes interior.

Claims (8)

1. a method of attachment for micro-band plate and metal shell, is characterized in that, comprises the steps:
S1: by micro-band plate and metal shell trial assembly, and the appearance and size of described micro-band plate, installation dimension and described metal shell are matched;
S2: described metal shell is placed on heating platform, and opens described heating platform to described metal shell preheating;
S3: tin is warded off in described micro-band plate bottom by a temperature control electric soldering iron and a sheet weld tabs;
S4: a sheet weld tabs is padded between the micro-band plate and described metal shell of warding off tin, by micro-band plate welding configuration frock, be pressed on described micro-band plate and heating welding, after described sheet weld tabs dissolves completely, close heating platform power supply and take described heating platform away;
S5: until described micro-band plate and metal shell cooling after, clean described micro-band plate and described metal shell.
2. the method for attachment of micro-band plate according to claim 1 and metal shell, is characterized in that, described step S2 further comprises:
S21: open heating platform, and described metal shell is positioned over to heating platform preheating;
S22: by absolute ethyl alcohol by the contact-making surface scrub of described micro-band plate and described metal shell;
S23: the size cutting moulding of a sheet weld tabs being pressed to micro-band plate bottom surface.
3. the method for attachment of micro-band plate according to claim 2 and metal shell, is characterized in that, described metal shell and warded off the sheet weld tabs that described step S23 cutting moulding is set between micro-band plate of tin.
4. the method for attachment of micro-band plate according to claim 2 and metal shell, it is characterized in that, described heating platform is temp. controllable heating platform, and be not less than 10 minutes the preheating time of described metal shell, and preheat temperature regulates according to the fusing point of described sheet weld tabs.
5. the method for attachment of micro-band plate according to claim 4 and metal shell, is characterized in that, described sheet weld tabs is low temperature weld tabs.
6. the method for attachment of micro-band plate according to claim 1 and metal shell, is characterized in that, described step S4 further comprises: by a suction tin rope, absorb unnecessary tin.
7. the method for attachment of micro-band plate according to claim 1 and metal shell, it is characterized in that, described step S5 further comprises: until described micro-band plate and described metal shell cooling after, by an X-ray machine, detect welding melting effect, and check micro-band plate smooth, without cleaning described micro-band plate and described metal shell with absolute ethyl alcohol after distortion, not damaged.
8. the method for attachment of micro-band plate according to claim 7 and metal shell, is characterized in that, the method for cleaning by craft cleans up described micro-band plate and described metal shell.
CN201310615361.2A 2013-11-28 2013-11-28 Method for connecting micro-strip plate and metal shell Pending CN103692042A (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934534A (en) * 2014-04-15 2014-07-23 北京卫星制造厂 Vacuum welding method for thick film substrate and power shell
CN106102339A (en) * 2016-06-24 2016-11-09 中国电子科技集团公司第三十八研究所 A kind of surface assembling method of deep cavate microwave components
CN107350585A (en) * 2017-06-26 2017-11-17 安徽华东光电技术研究所 A kind of method of flat gold plated lead manual welding
CN107498128A (en) * 2017-09-01 2017-12-22 安徽华东光电技术研究所 For covering the manufacture craft of tin copper sheet during Microwave Measurement And Adjustment
CN109175568A (en) * 2018-11-01 2019-01-11 中国电子科技集团公司第三十八研究所 A kind of method for welding of large-size antennae and micro-strip plate large area ground connection
CN109175567A (en) * 2018-11-01 2019-01-11 中国电子科技集团公司第三十八研究所 A kind of method for welding of micro-strip plate large area ground connection
CN110091022A (en) * 2019-04-11 2019-08-06 零八一电子集团有限公司 The welding method of microstrip circuit diaphragm capsule
CN113131169A (en) * 2021-04-16 2021-07-16 成都泰格微电子研究所有限责任公司 Assembly process of filtering annular assembly
CN116133354A (en) * 2022-12-15 2023-05-16 中国电子科技集团公司第十研究所 Method for assembling micro band plate components in metal concave cavity

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WO1994002970A1 (en) * 1992-07-23 1994-02-03 Cambridge Computer Limited Rf waveguide signal transition apparatus
JP2000515682A (en) * 1996-07-09 2000-11-21 テレフォンアクチボラゲット エルエム エリクソン Method and apparatus for making a solder stop, preferably on a printed circuit board
CN201549592U (en) * 2009-09-27 2010-08-11 西安威姆电子有限公司 Novel dual polarization microstrip antenna

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103934534A (en) * 2014-04-15 2014-07-23 北京卫星制造厂 Vacuum welding method for thick film substrate and power shell
CN103934534B (en) * 2014-04-15 2016-03-30 北京卫星制造厂 The vacuum welding method of a kind of thick film substrate and power shell
CN106102339A (en) * 2016-06-24 2016-11-09 中国电子科技集团公司第三十八研究所 A kind of surface assembling method of deep cavate microwave components
CN107350585A (en) * 2017-06-26 2017-11-17 安徽华东光电技术研究所 A kind of method of flat gold plated lead manual welding
CN107498128A (en) * 2017-09-01 2017-12-22 安徽华东光电技术研究所 For covering the manufacture craft of tin copper sheet during Microwave Measurement And Adjustment
CN109175568A (en) * 2018-11-01 2019-01-11 中国电子科技集团公司第三十八研究所 A kind of method for welding of large-size antennae and micro-strip plate large area ground connection
CN109175567A (en) * 2018-11-01 2019-01-11 中国电子科技集团公司第三十八研究所 A kind of method for welding of micro-strip plate large area ground connection
CN110091022A (en) * 2019-04-11 2019-08-06 零八一电子集团有限公司 The welding method of microstrip circuit diaphragm capsule
CN113131169A (en) * 2021-04-16 2021-07-16 成都泰格微电子研究所有限责任公司 Assembly process of filtering annular assembly
CN116133354A (en) * 2022-12-15 2023-05-16 中国电子科技集团公司第十研究所 Method for assembling micro band plate components in metal concave cavity

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Application publication date: 20140402