WO2020006794A1 - Structure de montage et procédé de montage de transistors commutateurs - Google Patents

Structure de montage et procédé de montage de transistors commutateurs Download PDF

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Publication number
WO2020006794A1
WO2020006794A1 PCT/CN2018/097571 CN2018097571W WO2020006794A1 WO 2020006794 A1 WO2020006794 A1 WO 2020006794A1 CN 2018097571 W CN2018097571 W CN 2018097571W WO 2020006794 A1 WO2020006794 A1 WO 2020006794A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch tube
cooling device
fixed
plastic bracket
casing
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.)
Ceased
Application number
PCT/CN2018/097571
Other languages
English (en)
Chinese (zh)
Inventor
罗耀文
冯颖盈
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.)
Shenzhen Vmax Power Co Ltd
Original Assignee
Shenzhen Vmax Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Vmax Power Co Ltd filed Critical Shenzhen Vmax Power Co Ltd
Publication of WO2020006794A1 publication Critical patent/WO2020006794A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H05K7/02—Arrangements of circuit components or wiring on supporting structure
    • H05K7/10—Plug-in assemblages of components, e.g. IC sockets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of DC power input into DC power output
    • 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
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/209—Heat transfer by conduction from internal heat source to heat radiating structure
    • 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
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
    • 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
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20927—Liquid coolant without phase change

Definitions

  • the invention relates to the field of charging technology and voltage conversion of pure electric vehicles and hybrid vehicles, and in particular relates to a mounting structure of an on-board charger OBC, a voltage converter DCDC, and a switch MOSFET of a related integrated product.
  • the present invention proposes a mounting structure of a switching tube, which includes: a plastic bracket with a fixed leg fixed to one side of the switching tube, and fixed to the fixed leg and the prong of the switching tube.
  • the PCB board is used to receive the shell of the PCB board, and is used to fix the elastic piece that presses the switch tube.
  • it further comprises a cooling device fixed on the opposite side of the switch tube from the casing, a thermally conductive insulating sheet attached to the cooling device, and fixed to the casing to place the plastic bracket toward the thermal insulation The sheet is compressed by an elastic piece.
  • the plastic bracket is fixed to the switch tube by a double-sided tape.
  • the shape of the plastic bracket is adapted to the side of the switch tube, and a groove for positioning the pin of the switch tube is provided, which can accurately locate the pin and the heat dissipation surface of the switch tube, and has a design for independently pressing the switch tube.
  • the cooling device is a water-cooling device, and the heat-conducting insulating sheet is affixed to the outer wall of the water channel of the water-cooling device; or the cooling device is an air-cooling device, and the outer wall of the air-channel of the air-cooling device is affixed to the cooling device.
  • Thermally conductive insulating sheet is a water-cooling device, and the heat-conducting insulating sheet is affixed to the outer wall of the water channel of the water-cooling device; or the cooling device is an air-cooling device, and the outer wall of the air-channel of the air-cooling device is affixed to the cooling device.
  • the elastic member includes a fixing plate fixed to the casing, and an elastic piece with a circular arc angle at a connection point with the fixing plate.
  • the casing is a casing of a car charger, or a casing of a voltage converter, or other related products.
  • the invention also provides a method for installing a switching tube, which includes:
  • Step 1 Stick double-sided adhesive on a plastic bracket that matches the shape of the side of the switch tube;
  • Step 2 Install the switch tube on a plastic bracket and fix it;
  • Step 3 Assemble the plastic bracket and the switch tube on the PCB board, so that the fixing feet of the plastic bracket and the PCB board are fixed to form a PCBA;
  • Step 4 Fix the PCBA to the housing
  • Step 5 the plastic bracket and the switch tube and the casing are relatively fixed by pressing the elastic sheet;
  • Step 6 Solder the switch tube to the PCB.
  • the switch tube is adhered to a plastic bracket and fixed by double-sided adhesive
  • step 5 the plastic bracket is pressed by the elastic member, so that the switch tube is closely attached to the cooling device fixed in the casing through the thermally conductive insulating sheet.
  • the invention uses a plastic bracket to fix the switch tube assembly, and at the same time adopts the method of first installing and then welding, so that the pins of the switch tube assembly are not easy to loose, and it is also convenient to install elastic parts, so that the switch tube can be closely attached to the cooling device, and the heat dissipation effect is better , Longer life.
  • FIG. 1 is a schematic structural diagram of a plastic bracket of the present invention
  • FIG. 2 is a schematic diagram of fixing the plastic bracket and the switch tube assembly according to the present invention.
  • FIG. 3 is a schematic diagram of the installation of the plastic bracket and the PCB board of the present invention.
  • FIG. 4 is a schematic diagram of fixing the PABA and the shell of the present invention.
  • FIG. 5 is a detailed enlarged view of an elastic member according to the present invention.
  • the installation structure and installation method of the switch tube according to a specific embodiment of the present invention are to apply the switch tube to the on-board charger OBC, the voltage converter DCDC, and integrated products related to them. They usually have a casing with a cooling device.
  • the cooling device can be a water cooling device or an air cooling device.
  • the water cooling device has a water channel and the air cooling device has an air channel.
  • the switch tube 2 is first fixed to it by a plastic bracket 1.
  • the plastic bracket is shown in FIG. 1. It is an integrally formed plastic piece that matches the shape of one side of the switch tube assembly. Corresponding receiving grooves 12 are provided on the side of each to accommodate each switching tube one by one, and a limiting block is located in the slot to locate the precise position of the switching tube, including a circular protrusion 13 that matches a circular hole on the switching tube, and Positioning blocks 14 on both sides of the switch tube allow the switch tube to be accurately positioned relative to the mounting position on the PCB, and the plastic bracket is also provided with a groove 11 that can fix the switch tube pin 21 to assist in positioning the switch tube.
  • the pin 21 and the plastic support 1 are affixed with a high-temperature-resistant double-sided adhesive, and the switch tube component is pasted on the double-sided adhesive.
  • Figure 2 shows the plastic bracket with the switch tube assembly attached. In addition to double-sided adhesive, it can also be fixed with glue or buckle.
  • the plastic bracket 1 and the switch tube assembly are mounted on the PCB 3, and the fixing feet on the plastic bracket are fixed on the PCB by welding or other fixing methods, but the switch pin is not welded.
  • a PCBA 4 with a plastic bracket and a switch tube assembly is mounted on the casing 5.
  • the plastic bracket is pressed with an elastic member, so that the switch tube is closely attached to the thermally conductive insulation sheet, and the thermally conductive insulation sheet is adhered to the side of the water channel or air duct of the cabinet.
  • the elastic member includes a fixing plate 61, an elastic piece 62 forming an arc angle at the connection point with the fixing plate 61, the fixing plate 61 is fixed to the housing by screws 63, one end of the elastic piece 62 is connected to the fixing plate, and the other end is The elastic movable end has a circular arc angle at the end connected to the elastic plate.
  • the clamping piece of the elastic piece is closely attached to the side wall of the water channel or the air duct of the cooling device in the casing.
  • the clamp piece can press the switch tube in the water channel or It is on the air duct and provides a better heat dissipation environment for the switch tube. In this process, the plastic bracket plays a good role in protecting the switch tube from being damaged or loosened due to the force exerted by the elastic member.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Dc-Dc Converters (AREA)

Abstract

La présente invention concerne une structure de montage et un procédé de montage de transistors commutateurs. La structure de montage comprend : un support en plastique connecté à un côté de transistors commutateurs et ayant des broches de fixation, une PCB fixée aux broches de fixations et aux broches des transistors commutateurs, un logement destiné à accueillir la PCB, et un organe élastique destiné à fixer et presser étroitement les transistors commutateurs. La présente invention permet de bien protéger les broches des transistors commutateurs, et d'obtenir une meilleure performance de dissipation thermique.
PCT/CN2018/097571 2018-07-03 2018-07-27 Structure de montage et procédé de montage de transistors commutateurs Ceased WO2020006794A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810719967.3A CN108684183B (zh) 2018-07-03 2018-07-03 一种开关管的安装结构及安装方法
CN201810719967.3 2018-07-03

Publications (1)

Publication Number Publication Date
WO2020006794A1 true WO2020006794A1 (fr) 2020-01-09

Family

ID=63812968

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/097571 Ceased WO2020006794A1 (fr) 2018-07-03 2018-07-27 Structure de montage et procédé de montage de transistors commutateurs

Country Status (2)

Country Link
CN (1) CN108684183B (fr)
WO (1) WO2020006794A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115954332A (zh) * 2022-12-28 2023-04-11 上海友道智途科技有限公司 一种基于插件式mosfet管的固定散热片

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110545632A (zh) * 2019-09-09 2019-12-06 深圳威迈斯新能源股份有限公司 车载充电机及其场效应管安装方法
CN110621133B (zh) * 2019-09-23 2024-09-24 深圳威迈斯新能源(集团)股份有限公司 车载充电机半导体晶体管的先装后焊结构
CN110708912B (zh) * 2019-10-14 2023-08-22 铁城信息科技有限公司 一种功率管安装结构及其包含该结构的充电机
CN118936671A (zh) * 2024-08-16 2024-11-12 深圳威迈斯新能源(集团)股份有限公司 开关器件测温结构和车载充电机

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CN203233636U (zh) * 2013-04-28 2013-10-09 宁波赛耐比光电有限公司 新型电源散热片结构及mos管与pcb板的连接结构
CN204217240U (zh) * 2014-10-27 2015-03-18 广东高标电子科技有限公司 电动车控制器以及电动车
CN205987647U (zh) * 2016-08-17 2017-02-22 江苏协昌电子科技股份有限公司 一种电动车控制器的mos管固定结构
CN206865928U (zh) * 2017-06-12 2018-01-09 南京懂玫驱动技术有限公司 一种具有散热结构的电动车控制器

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JP4348285B2 (ja) * 2004-12-09 2009-10-21 ホシザキ電機株式会社 冷却貯蔵庫の運転制御装置
CN206678822U (zh) * 2017-04-26 2017-11-28 合康动力技术（深圳）有限公司 一种车载充电机的快速散热结构
CN107026564B (zh) * 2017-05-23 2023-05-23 深圳振华富电子有限公司 电子装置及其电源缓启动设备
CN108173416B (zh) * 2018-01-04 2021-05-25 深圳威迈斯新能源股份有限公司 插件开关管的安装结构和安装方法

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
CN203233636U (zh) * 2013-04-28 2013-10-09 宁波赛耐比光电有限公司 新型电源散热片结构及mos管与pcb板的连接结构
CN204217240U (zh) * 2014-10-27 2015-03-18 广东高标电子科技有限公司 电动车控制器以及电动车
CN205987647U (zh) * 2016-08-17 2017-02-22 江苏协昌电子科技股份有限公司 一种电动车控制器的mos管固定结构
CN206865928U (zh) * 2017-06-12 2018-01-09 南京懂玫驱动技术有限公司 一种具有散热结构的电动车控制器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115954332A (zh) * 2022-12-28 2023-04-11 上海友道智途科技有限公司 一种基于插件式mosfet管的固定散热片

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Publication number Publication date
CN108684183A (zh) 2018-10-19
CN108684183B (zh) 2023-11-07

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