EP4055664A1 - Kontaktsystem mit einem fügehilfselement und verfahren zum fügen - Google Patents
Kontaktsystem mit einem fügehilfselement und verfahren zum fügenInfo
- Publication number
- EP4055664A1 EP4055664A1 EP20796773.8A EP20796773A EP4055664A1 EP 4055664 A1 EP4055664 A1 EP 4055664A1 EP 20796773 A EP20796773 A EP 20796773A EP 4055664 A1 EP4055664 A1 EP 4055664A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- circuit board
- contact
- press
- joining element
- auxiliary joining
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
- H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
- H01R12/7011—Locking or fixing a connector to a PCB
- H01R12/7047—Locking or fixing a connector to a PCB with a fastener through a screw hole in the coupling device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
- H01R12/7011—Locking or fixing a connector to a PCB
- H01R12/707—Soldering or welding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/205—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve with a panel or printed circuit board
Definitions
- the invention relates to a contact system with a printed circuit board and at least one press-fit contact.
- the press-in contact is designed to be pressed into an opening in the circuit board and to make electrical contact with the circuit board.
- Press-in contacts in particular in the case of a contact system of the type mentioned at the outset, can be plugged into an opening in a printed circuit board, for example by means of an automatic production machine, and thereby electrically contact the printed circuit board.
- the tolerance during the insertion process is small, insofar as the opening creates a non-positive connection between the opening wall of the circuit board and the press-in contact.
- the contact system of the type mentioned at the outset has at least one auxiliary joining element.
- the auxiliary joining element is designed to be connected to the printed circuit board in a force-locking and / or form-locking manner.
- the auxiliary joining element has a trapping funnel for the at least one press-in contact - in particular at least two or more press-in contacts.
- the trapping funnel is arranged and designed to guide an end section of the press-fit contact designed to be pressed into the printed circuit board into the opening in the printed circuit board. In this way, a press-in contact with a lateral tolerance corresponding to the guide funnel can advantageously be fed onto the printed circuit board by a manufacturing machine and pressed into the printed circuit board there.
- the auxiliary joining element preferably has a guide shaft adjoining the collecting funnel, which guide shaft is designed to predetermine a joining direction of the press-in contact during press-in.
- the press-in contact in the guide shaft can also be aligned orthogonally to the printed circuit board at an inclined angle, and in particular be plastically shaped to indicate the opening.
- the auxiliary joining element has at least one anchoring element, in particular a centering script, the anchoring element being designed to engage in a recess or an opening in the circuit board and thus to secure the auxiliary joining element against displacement or displacement on the circuit board.
- the circuit board advantageously has an opening for receiving the anchoring element, in particular the centering pin. In this way, the auxiliary joining element can advantageously be placed exactly over the opening in the circuit board.
- the auxiliary joining element is preferably designed to be soldered to the circuit board.
- the auxiliary joining element can thus be soldered to the circuit board together with other electronic components at low cost.
- the auxiliary joining element has at least one or two soldering feet, the soldering foot being designed for soldering connection to a surface of the circuit board, in particular a conductor track of the circuit board.
- the auxiliary joining element can advantageously be provided as an SMD component with little effort and can be soldered together with other electronic components in a soldering furnace, in particular a reflow soldering furnace.
- the anchoring element can be used to secure the auxiliary joining element, which is anchored to the printed circuit board in a form-fitting manner against displacement or misplacement, in its position during reflow soldering.
- the soldering foot is preferably formed by a metal piece or a metal layer, the metal piece or the metal layer being connected to the auxiliary joining element.
- the auxiliary joining element is formed from plastic, for example.
- the metal layer can be glued onto the auxiliary joining element.
- the auxiliary joining element can thus advantageously be provided at low cost.
- the metal piece can, for example, be molded into the plastic auxiliary joining element.
- the soldering foot is formed by a sheet metal bracket, which is connected to the auxiliary joining element by one leg, and the other leg of which is designed for soldering connection to the circuit board.
- the soldering foot can thus advantageously be connected to the auxiliary joining element in a cost-effective manner, for example, by plugging on or pressing in the leg designed to connect to the auxiliary joining element.
- the auxiliary joining element has a soldering pin for soldering in an opening in the circuit board.
- the soldering pin can, for example, be molded or plugged into the auxiliary joining element.
- the soldering pin has an end section designed for soldering to the printed circuit board, which is inserted into the opening in the printed circuit board and can be soldered there.
- the collecting funnel has a cone angle between 20 and 140 degrees, preferably between 40 and 60 degrees, more preferably between 45 and 50 degrees, or 48 degrees. An end section of the press-in contact can thus advantageously be guided on the bevel formed by the cone angle up to the guide shaft.
- the auxiliary joining element can have a collecting funnel and a guide shaft adjoining the collecting funnel.
- the auxiliary joining element can only have a collecting funnel and thus no guide shaft.
- the auxiliary joining element is made of plastic.
- the auxiliary joining element has at least two collecting funnels arranged along a row.
- the auxiliary joining element can have at least two, only two, at least three, only three, at least four, only four, at least five, only five, or at least six, or only six collecting funnels.
- the collecting funnels can be arranged, for example, along a straight line.
- the trapping funnels can be arranged in accordance with a press-fit pin arrangement of a number of press-fit pins. For example, an integrated component, in particular a reported component, on which press-fit contacts are formed for being pressed into the circuit board, can be press-connected to the circuit board with a tolerance by means of the auxiliary joining element.
- the contact system has a semiconductor module which has electrical connections.
- the electrical connections are each designed as press-fit contacts and are each further designed to be pressed into the printed circuit board.
- the press-in contacts have, for example, a needle-shaped end section or a boat-shaped end section.
- the press-fit contacts are each formed from copper or a copper alloy, for example.
- the invention also relates to an auxiliary joining element for joining a press-in contact and a printed circuit board, in particular for a contact system according to the type described above.
- the auxiliary joining element has a molded body and at least one catching funnel for centering an end section of the press-in contact.
- the collecting funnel is designed as a tapering cavity in the molded body.
- the auxiliary joining element preferably has at least one soldering foot, which is designed for soldering connection to a surface of the printed circuit board.
- the invention also relates to a method for joining a printed circuit board to a semiconductor module.
- the circuit board is plugged onto press-fit contacts of the semiconductor module, an end section of the press-fit contact designed to contact the circuit board being guided through a capture funnel, more preferably then a guide shaft, to an opening in the circuit board.
- the press-in contact is pressed further into the opening in the circuit board, where it makes electrical contact with the circuit board.
- FIG. 1 shows an exemplary embodiment of a contact system with an auxiliary joining element which is designed to receive an end section of a press-in contact and to guide an opening in a printed circuit board;
- FIG. 2 shows the auxiliary joining element shown in FIG. 1 in a plan view.
- FIG. 1 shows an exemplary embodiment of a contact system 1.
- the contact system 1 comprises a printed circuit board 2.
- the printed circuit board 2 has four openings 3, 4, 5 and 6 spaced apart from one another in a row.
- the openings 3, 4, 5 and 6 are each designed to receive a press-in contact.
- the openings each have a metal layer or a metal cylinder formed on an opening wall of the opening.
- a metal layer 7 on the opening wall of the opening 3 is designated as an example.
- the printed circuit board 2 also has a conductor track 8 which is connected to the metal layer 7 in an electrically conductive manner. In this way, a press-in contact introduced into the opening 3 can be electrically connected to further electronic components which are connected to the printed circuit board 2.
- the printed circuit board 2 also has two openings 9 and 10 in this exemplary embodiment. The openings 9 and 10 are each designed to receive an anchoring element.
- the circuit board 2 has an electrically conductive layer 11 in the area of the opening 9 and an electrically conductive layer 13 in the area of the opening 10.
- SMD Surface Mounted Device
- the contact system 1 also has an auxiliary joining element 14.
- the auxiliary joining element is designed as a plastic element.
- the auxiliary joining element 14 has a plastic body in which funnel-shaped recesses are formed for inserting a press-in contact.
- FIG. 1 shows, by way of example, a mold module 30, in particular an inverter.
- four press-in contacts 31, 32, 33 and 34 from the mold module 30 are formed on the mold module 30, each protruding in the same direction.
- the press-in contacts 31, 32, 33 and 34 each have a press-in section for pressing into the circuit board 2, and there into an opening, for example the opening 3, 4, 5 or 6.
- the press-in contacts form control connections for the molding module 30.
- the auxiliary joining element 14 has a collecting funnel 24 for the press-in contact 31, a collecting funnel 25 for the press-in contact 32, a collecting funnel 26 for the press-in contact 33 and a collecting funnel 27 for the press-in contact 34.
- the press-in funnels 24, 25, 26 and 27 each open into a guide shaft which, in this exemplary embodiment, is cylindrical.
- a guide shaft 23, which connects to the collecting funnel 24, is designated as an example.
- the trapping funnel 24, together with the guide shaft 23, forms a particularly tapered opening in the auxiliary joining element 14, in particular in the plastic body of the auxiliary joining element 14.
- a cone angle 28 of the insertion funnel 24 is 48 degrees in this exemplary embodiment.
- SMD surface-mounted device
- the auxiliary joining element 14 has two soldering feet 19 and 20, which are each pushed onto one of the fastening pins 17 or 18 of the auxiliary joining element 14.
- the fastening pins 17 and 18 are each molded onto the plastic body of the auxiliary joining element 14.
- the soldering feet 19 and 20 are designed as sheet metal angles, in particular a lead frame or lead frame.
- the soldering feet 19 and 20 each have an opening on a fastening leg for passing through or for receiving the fastening element 17 or 18, respectively.
- the soldering feet 19 and 20 each have a soldering leg 22 and 21, respectively.
- the soldering leg 22 of the soldering foot 19 is soldered to the metal layer 11 by means of a solder 12.
- the soldering leg 21 of the soldering foot 20 is soldered to the metal layer 13 by means of a solder 12.
- a recess for leading through an anchoring element is formed in the soldering leg, in particular shown in more detail in FIG.
- the mold module 30 also has further electrical connections.
- the mold module 30 is designed as a semiconductor switch half-bridge.
- a ground connection 43, a power supply connection 44 and an output connection 42 are each designed as a stamped grid and jointly protrude from the mold module 30, in particular extending in the same direction.
- the auxiliary joining element 14 can be plug-connected to the printed circuit board 2 by means of the anchoring elements 15 and 16, which in this exemplary embodiment are designed as pegs.
- the anchoring elements 15 or 16 are inserted into the corresponding openings 9 or 10 in the circuit board 2.
- the circuit board 2 has previously been printed with solder paste 12. After joining the auxiliary joining element 14 to the circuit board 2, the solder leg 22 rests on the metal layer 11, and the solder leg 21 then rests on the metal layer 13.
- the printed circuit board 2 can then be soldered in a reflow soldering oven, in particular together with other electronic components not shown in FIG.
- the solder 12 which extends between the circuit board 2, in particular the metal layers 11 or 13 and the soldering feet 19 and 20, in particular the solder legs 22 and 21, can then melt and connect the solder legs 21 and 22 to the circuit board 2 in a materially bonded manner.
- the openings, formed by the trapping funnels 24, 25, 26 and 27, then open precisely into the corresponding openings 3, 4, 5 and 6 in the circuit board 2.
- the mold module 30 can then be pressed into the circuit board 2.
- the mold module 30 has previously been screw-connected or plug-connected to other components of an inverter or an electric motor, for example.
- the circuit board 2 can then be plugged onto the mold module 30 - as indicated by the arrows 36 and 37.
- the press-in section 35 of the press-in contacts can then be pressed into the respective opening in the circuit board 2.
- the press-in contact 31 is then in the opening 3, the press-in contact 32 in the opening 4, the press-in contact 33 in the Breakthrough 5, and the press-in contact 34 has been pressed into the opening 6 of the circuit board 2, and makes electrical contact with the circuit board 2 there.
- FIG. 2 shows the auxiliary joining element 14 already shown in FIG. 1 in a plan view.
- the trapping funnels 24, 25, 26 and 27 are each arranged in a row along a longitudinal extension 40 of the auxiliary joining element 14.
- the soldering foot 19, which is pushed onto the fastening pin 17, has a recess 38 on the soldering leg 22.
- the soldering leg 20, which is pushed onto the fastening pin 18, has a recess 39 on the soldering leg 21.
- the recesses 38 and 39 are in this
- Embodiment each U-shaped.
- the soldering legs 21 and 22 can thus encompass the anchoring element 15 or 16 shown in FIG. 1 when they are plugged onto the plastic body 41 of the auxiliary joining element 14.
- the anchoring element 15 extends orthogonally to the fastening element 17 in this exemplary embodiment.
- the anchoring element 16 extends orthogonally to the fastening element 18 in this exemplary embodiment.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Multi-Conductor Connections (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102019217153.2A DE102019217153A1 (de) | 2019-11-07 | 2019-11-07 | Kontaktsystem mit einem Fügehilfselement und Verfahren zum Fügen |
| PCT/EP2020/079728 WO2021089335A1 (de) | 2019-11-07 | 2020-10-22 | Kontaktsystem mit einem fügehilfselement und verfahren zum fügen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4055664A1 true EP4055664A1 (de) | 2022-09-14 |
| EP4055664B1 EP4055664B1 (de) | 2026-02-25 |
Family
ID=73013428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20796773.8A Active EP4055664B1 (de) | 2019-11-07 | 2020-10-22 | Kontaktsystem mit einem fügehilfselement |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4055664B1 (de) |
| CN (1) | CN114600211B (de) |
| DE (1) | DE102019217153A1 (de) |
| WO (1) | WO2021089335A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12218444B2 (en) | 2022-08-12 | 2025-02-04 | Microsoft Technology Licensing, Llc | Assembly fixture for press-fitting contact pins in a printed circuit board assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4111796B2 (ja) * | 2002-10-11 | 2008-07-02 | 富士通テン株式会社 | プレスフィット端子圧入方法 |
| DE102018000940A1 (de) * | 2018-02-05 | 2019-08-08 | Robert Bosch Gmbh | Steckverbinder und Kontaktanordnung |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265508A (en) * | 1978-11-30 | 1981-05-05 | Western Electric Company, Inc. | Intermediate-web held terminal pins |
| US4679883A (en) * | 1986-09-08 | 1987-07-14 | Amp Incorporated | Shoulder eyelet board lock |
| IL93863A0 (en) * | 1989-03-31 | 1990-12-23 | Du Pont | Connector with means for securing to a substrate |
| US5232379A (en) * | 1992-02-28 | 1993-08-03 | Foxconn International, Inc. | Connector with mounting means for SMT |
| JPH1050919A (ja) * | 1996-07-31 | 1998-02-20 | Oki Electric Ind Co Ltd | クリップリード端子束、クリップリード端子の接続方法、リード端子接続用基板およびリード端子付き基板の製造方法 |
| US6231386B1 (en) * | 1999-12-29 | 2001-05-15 | Hon Hai Precision Ind. Co., Ltd. | Electrical connector with improved solder pads |
| JP2007103088A (ja) * | 2005-09-30 | 2007-04-19 | Yazaki Corp | オンボードコネクタ |
| KR101942812B1 (ko) * | 2017-07-18 | 2019-01-29 | 제엠제코(주) | 프레스핏 핀 및 이를 포함하는 반도체 패키지 |
-
2019
- 2019-11-07 DE DE102019217153.2A patent/DE102019217153A1/de active Pending
-
2020
- 2020-10-22 EP EP20796773.8A patent/EP4055664B1/de active Active
- 2020-10-22 CN CN202080077198.7A patent/CN114600211B/zh active Active
- 2020-10-22 WO PCT/EP2020/079728 patent/WO2021089335A1/de not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4111796B2 (ja) * | 2002-10-11 | 2008-07-02 | 富士通テン株式会社 | プレスフィット端子圧入方法 |
| DE102018000940A1 (de) * | 2018-02-05 | 2019-08-08 | Robert Bosch Gmbh | Steckverbinder und Kontaktanordnung |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2021089335A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021089335A1 (de) | 2021-05-14 |
| CN114600211B (zh) | 2024-07-16 |
| DE102019217153A1 (de) | 2021-05-12 |
| CN114600211A (zh) | 2022-06-07 |
| EP4055664B1 (de) | 2026-02-25 |
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