EP3840128A1 - Plaque de fond, composant électronique et procédé - Google Patents

Plaque de fond, composant électronique et procédé Download PDF

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Publication number
EP3840128A1
EP3840128A1 EP20215925.7A EP20215925A EP3840128A1 EP 3840128 A1 EP3840128 A1 EP 3840128A1 EP 20215925 A EP20215925 A EP 20215925A EP 3840128 A1 EP3840128 A1 EP 3840128A1
Authority
EP
European Patent Office
Prior art keywords
circuit board
base plate
section
contact
force
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.)
Pending
Application number
EP20215925.7A
Other languages
German (de)
English (en)
Inventor
Thomas Kliem
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3840128A1 publication Critical patent/EP3840128A1/fr
Pending legal-status Critical Current

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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
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00—Details of relays
    • H01H45/02—Bases; Casings; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/047—Details concerning mounting a relays
    • H01H50/048—Plug-in mounting or sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • 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
    • 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
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle

Definitions

  • the invention relates to a base plate for an electronic component, in particular an electronic relay.
  • the invention also relates to a relay with a base plate and a method for the electrical and mechanical connection of a base plate to a circuit board of a relay.
  • a standardized system is usually used here, which defines the interface to the mating connector in the form of contact arrangement and contact geometry in accordance with the relevant ISO standards 7588 or 8092.
  • Electromechanical relays are manufactured in millions of pieces and in some cases also fully automatically. This is usually not the case with electronic relays. This is due, on the one hand, to the number of different variants and, on the other, to manufacturing challenges. In the case of electromechanical relays, the relay coil body is often already connected to some of the contacts.
  • the electromechanical relays are basically very similar in terms of structure and number of pins, so that they can be automated comparatively better.
  • individual contacts are mounted on the circuit board and then soldered. These contacts are then fixed and aligned by a plastic plate. In some cases, the contacts also have a type of latching so that they can be fixed in the base plate. In this way, mechanical forces that arise from the assembly of the assembly or from vibration during operation can be absorbed.
  • the printed circuit board is mounted directly on the base plate in a spatially parallel manner.
  • standard contacts are soldered onto the circuit board and then mounted in the base plate. The unbundling then takes place on the circuit board. Smaller circuits can then also be implemented directly here. Due to the fact that the contacts are soldered on the circuit board, the available area is comparatively small depending on the number of contacts. Also, wired components such as relays can only be equipped with increased effort.
  • both approaches have the disadvantage that the contacts or the base plate must be aligned during assembly. If the contacts are not installed at right angles or correctly, mechanical forces are transferred to the circuit board and can damage the soldered joints, which can lead to premature failure of the module. Both systems therefore do not enable economically viable automated production with smaller quantities or only with greater effort. Also due to the fact that more and more functions have to be integrated into these comparatively small electronic assemblies and the space on the printed circuit board is very limited, new manufacturing techniques have to be developed.
  • the invention is therefore based on the object of specifying an electronic component, in particular an electronic relay, which can be produced in an automated process and whose production effort is reduced.
  • the invention proposes a base plate for an electronic component, in particular an electronic relay, having a plate-shaped base body, in particular made of plastic, and at least one electrical contact, the electrical contact completely penetrating the base body, the electrical contact at one end forms an electrical connector of the electronic component, in particular of the relay, the electrical contact having an electrically conductive connection section at the other end, which can be connected to a circuit board without soldering, in particular pressed into the circuit board, to form a permanent electrical connection.
  • the solution is based on the idea of replacing the mechanically fragile soldered connections with a different type of electrical and mechanical connection.
  • the invention makes use of press-fit technology for the first time in the field of electronic components, in particular relays.
  • press-in technology there are different options for creating a press-in zone on the contact.
  • the press-in zone can preferably be designed as a force-absorbing section on the outer edge or in the surface of the contacts.
  • the contacts are preferably designed with an angular, in particular rectangular, square cross-section. In principle, contacts with a round cross-section are also possible.
  • the solder-free connection according to the invention between the base plate and printed circuit board creates the prerequisite for electronic relays to be connected to the base plate according to the invention in an automated process can be produced.
  • the manufacturing cost of the relay is reduced in an advantageous manner by completely dispensing with soldered connections between the circuit board and the contacts of the base plate.
  • Press-in technology also has the advantage that the contact resistance of a press-in connection is significantly lower than that of a soldered joint. When using power electronics, this technology reduces the heat generated by the assembly and thus increases the efficiency of the assembly.
  • the connecting section can be single-ended, double-ended or multi-ended. Each end can be separately connected to the circuit board, in particular it can be pressed into the circuit board. Depending on the desired functionality of the relay, different contacts can have connecting sections configured differently with regard to the number of their ends.
  • the individual ends are designed in the form of a pin.
  • the various pins of a connecting section preferably extend at a distance from one another and parallel to one another in the same direction.
  • the pins can have an angular and / or round cross-section.
  • the connection points of the circuit board that correspond to the pins can also be designed to be correspondingly round and / or angular, depending on the cross-sectional geometry of the respective pin.
  • At least one of the contacts is angled.
  • the section of the contact that forms the connection of the relay extends in a different direction than the connection section used for connection to the circuit board. Both sections preferably run at right angles to one another.
  • the individual sections of the contact are preferably bent at the desired angle to one another. Due to the press-fit technique, the base plate is automatically aligned, preferably at right angles, to the circuit board when it is connected to the circuit board. The components on the circuit board do not have to be heated again. This reduces the stress on the components.
  • the connecting section extends, at least in some areas, essentially parallel to the flat side of the base body facing it.
  • the connecting section can be introduced into a corresponding opening in the circuit board by linear movement of the base plate and / or the contact. Complex movements in more than one direction are avoided in this way, which is advantageous with regard to the automation of the manufacturing process of the relay.
  • the electrical contact and / or the base body has a force-absorbing section which extends at an angle, in particular at a right angle, to the connection section.
  • a force-absorbing section which extends at an angle, in particular at a right angle, to the connection section.
  • the introduction of force cannot take place via one of the ends of the contacts, as is usually the case. This is especially the case when the contacts are angled in order to achieve an angled, preferably right-angled, alignment between the base plate and the circuit board in the relay. If, in this case, the forces required for pressing are nevertheless to be transmitted to the circuit board via the base plate or via the contacts, it is preferred to define force-absorbing sections.
  • the contact Due to the geometric configuration of the contacts, however, the force cannot be applied linearly to the contact at one end. Instead, the contact has specially designed force-absorbing sections via which the press-in force can act on the contact.
  • provision can be made for the base plate to be moved linearly (horizontally or vertically) in the direction of the printed circuit board.
  • the circuit board can also be moved linearly in the direction of the base plate for the purpose of connection.
  • a force absorption section can be provided by an edge or a flat side of the contact and / or of the base body.
  • a force absorption section itself can be designed as an edge section, side section and / or as a recess, in particular as a notch.
  • a notch can be linear or punctiform.
  • a linear notch offers the advantage of a homogeneous introduction of force over a larger area. By means of a punctiform notch, comparatively high forces can be transmitted selectively to the contact and / or the base body.
  • the contact In the case of the angled, in particular right-angled, configuration of the contact, it has two legs resting against the angle.
  • the end of the first leg has the section which forms the connection of the relay.
  • the second leg provides the connection section at the end.
  • the force-absorbing section and the connecting section are provided by the second leg of the contact.
  • the force-absorbing section directly adjoins the connecting section in the direction of the angle of the contact.
  • the force-absorbing section preferably extends at an angle, in particular at a right angle, with respect to the connecting section.
  • the force-absorbing section is preferably angled in the opposite direction to the first angle.
  • the force-absorbing section thus preferably extends parallel to the first leg. you further preferably extend in the same direction. the force-absorbing section preferably extends beyond the first leg in the direction of extent.
  • the press-in can take place exclusively or additionally via the contacts.
  • at least one stamp is preferably provided, which acts on the at least one contact for the purpose of pressing in.
  • a force transmitter is preferably provided in the form of a separate component, in particular a mask, which is pushed over the contacts.
  • the force transmitter is preferably geometrically formed on the at least one contact, preferably on a plurality of contacts.
  • the force-absorbing section is designed to run between the base body and the connecting section.
  • the force-absorbing section is preferably formed in contact. This improves the introduction of force into the contact. In particular, in the case of an angled configuration of the contact, undesired opposing leverage effects are avoided.
  • the contacts can basically have any cross-sectional geometry.
  • the contacts can in particular be angular or round in cross section.
  • the electrical contact is designed as a plate-shaped rod.
  • the rod has a rectangular cross section at least in some areas.
  • the stand has a rectangular outer contour, at least in some areas.
  • the force-absorbing section is preferably formed by at least one of the narrow edges of the rod.
  • the force-absorbing section is from a flat section of the rod.
  • the contact preferably has a right-angled cross-section. This improves the transmission of force to the contact.
  • the force-absorbing section preferably runs between the connecting section and the end of the contact which forms the relay connection.
  • the contact is preferably formed from an electrically conductive material, preferably a metal, in particular copper.
  • the contact can be formed from any material, in particular a plastic, and coated with an electrically conductive material, preferably a metal, in particular copper.
  • the basic body the base plate is preferably made of an electrically insulating material, preferably a plastic.
  • the contacts are preferably guided in the base body. This is used for the precise alignment to the printed circuit board. They are more preferably anchored in the base body. This has the advantage that the contacts cannot be pressed out of the base body while they are being pressed in.
  • the invention also relates to an electronic component, in particular a relay, preferably an electronic relay, having a base plate according to the invention and a circuit board, the base plate and circuit board being arranged to one another in such a way that the flat side of the base body of the base plate and the flat side of the The base body of the printed circuit board extend essentially at right angles to one another, characterized in that the printed circuit board has at least one contact point into which the connecting section of the at least one contact of the base plate is pressed for electrical and mechanical connection.
  • the use of the press-fit technology according to the invention advantageously results in the electrical connection between the circuit board and contact of the base plate and the mechanical fastening and alignment of the base plate on the circuit board at the same time. This is made possible by the use of the base plate according to the invention.
  • the component according to the invention in particular a relay, can be produced in an automated process by virtue of the design according to the invention. In this way, manufacturing effort and costs can be reduced in an advantageous manner.
  • the contact point is designed as a bore and / or as a slot.
  • the slot is preferably designed as a color.
  • the bore and / or the slot are preferably coated on the inside with a conductive material, in particular copper.
  • a conductive material in particular copper.
  • the contact point has an inner circumference which is smaller than the outer circumference of the connecting section of the contact. During the press-in process, the connecting section of the contact is pressed into the contact point with material displacement and is fixed in place there.
  • the conductive material of the contact point is displaced.
  • the displacement can be an irreversible material removal.
  • a desired cold welding can occur between the connection section and the contact point. This further improves the stability of the connection.
  • the connecting section and / or the contact point is at least partially compressible at right angles to the press-in direction. This can be done in particular by applying a spring preload. In this case, the fixation can be realized without removing material.
  • the contact point is designed in the form of a plated-through hole.
  • a “through-hole connection” denotes an electrical connection between different conductor levels of a circuit board by means of a bore.
  • the method according to the invention completely dispenses with the formation of soldered connections when forming the electrical connection between the contacts of the base plate and the circuit board. Instead, it uses only the pressing of the contacts of the base plate into the contact points of the circuit board. As a result, the method can be designed to be completely automated. Manufacturing effort and This considerably reduces manufacturing costs for the relay according to the invention. Particularly in view of the shortage of skilled workers and the wage costs in Germany, the relay according to the invention can be manufactured by means of the method according to the invention in a significantly more cost-effective manner, in higher quality and in larger numbers.
  • the pressing device has a pressing ram which is brought into engagement with the force-absorbing section during the pressing process.
  • the engagement can preferably be positive.
  • the ram has a receptacle designed to correspond to the force absorbing section, in particular a receiving slot.
  • the recording therefore acts as a positioning aid.
  • the frictional engagement prevents the ram from slipping during the pressing process; especially in an automated process.
  • the ram can be brought into engagement directly with the force-absorbing section. Alternatively, the ram can be indirectly brought into engagement with the force receiving section with the interposition of an aforementioned force transmitter.
  • the positioning device and / or pressing device are designed as robots, the positioning and the pressing being carried out by means of the robot.
  • the positioning device and the pressing device can be designed as separate robots. Alternatively, both devices can be designed as a robot. This automates the process to a greater extent. Production effort and production costs for the relay according to the invention are further reduced as a result.
  • the invention makes use of press-fit technology for the first time in the field of manufacturing electronic relays.
  • Press-fit technology per se may be known from the state of the art, but precisely not with reference to electronic relays, which differ from the usual areas of application of press-fit technology due to a large number of inherent technical features. It was only through the invention that press-fit technology was made usable for the production of electronic relays.
  • Figure 1 shows a floor panel 1 according to a first embodiment of the invention.
  • the base plate 1 has a base body 2 and nine contacts 3.
  • the bottom plate 1 is shown with released contacts 3 which are inserted at different depths into receiving slots 4 formed in the bottom plate 1.
  • the base body 1 has a separate slot 4 for each contact 3.
  • the base body 1 has a substantially rectangular circumference with rounded corners. It is formed from an electrically insulating material in the form of plastic and also serves to relieve strain on the contacts 3.
  • the contacts 3 are designed as angled metal plates. They are preferably made of copper-plated and tin-plated steel.
  • Each contact 3 is designed at one end as an electrical connection plug 5, 6, 7 for a relay according to the invention.
  • the connection plugs 5 are designed as 2.8 mm connections.
  • the connection plugs 6 are designed as 6.3 mm connections.
  • the connection plugs 7 are designed as a 9.5 mm connection.
  • each contact 3 has a connecting section 8.
  • the connecting sections 8 run to the respective connector 5, 6, 7 of the contact 3 at a right angle.
  • At least one force-absorbing section 9 is formed between the end 5, 6, 7 of the contact 3, designed as a connector, and the connecting section 8.
  • at least one press die is brought into engagement with at least one force-absorbing section 9.
  • the ram then transmits a force perpendicular to the respective force receiving section 9 and in the direction of extension of the pins 10.
  • each of the connecting sections 8 has at least one pin 10 for connection to a contact point on the printed circuit board.
  • the number of pins is determined by the current carrying capacity that the contacts are supposed to provide. In the present case, 5 of the contacts 3 have two pins 10 and 4 of the contacts 3 have a pin 10.
  • the connecting sections 8 have a web 11 and / or at least one contact edge 12 for the electrical connection to the printed circuit board. The webs 11 and contact edges 12 also serve to fix the contact 3 on the base body 2.
  • Figure 2 shows the base plate 1 according to the invention in two different side views.
  • the contacts 3 are shown in the fixed state. In this fixed state, the contacts 3 are pressed into the circuit board.
  • the press rams are brought into engagement with the force absorbing sections 9 and a pressing force is transmitted in the pressing direction A perpendicular to the force absorbing sections 9.
  • connection plug 5 (2.8 mm), connection plug 6 (6.3 mm) and connection plug 7 (9.5 mm) with different dimensions.
  • the base plate 1 in the present case has two 9.5 mm connection plugs, three 6.3 mm connection plugs and four 2.3 mm connection plugs.
  • Figure 3 shows the base plate 1 according to the invention in a perspective view.
  • the contacts 3 are in the fixed state on the base body.
  • the force absorbing sections 9 each extend at right angles to the respective connecting section 8.
  • the force absorbing sections 9 are each formed by the narrow edges of the plate-shaped contacts 3.
  • the Figures 4 to 7 show a floor panel 1 according to a second embodiment of the invention.
  • the base plate 1 has a base body 2 and nine contacts 3.
  • the basic structure, however, is the same.
  • the features of the various embodiments can therefore be transferred to one another and / or combined with one another without any problems.
  • FIG. 4 Shown in Figure 4 is the base plate 1 with released contacts 3, which in the present case are inserted at different depths into receiving slots 7 formed in the base body 2 for the purpose of illustration.
  • Each contact 3 is designed at one end as an electrical connection plug 5, 6 for a relay according to the invention.
  • the connection plugs 5 are designed as 2.8 mm connections.
  • the connection plugs 6 are designed as 6.3 mm connections. in the In contrast to the embodiment according to Figure 1 no connector 7 with a 9.5 mm connection is provided.
  • Figure 5 shows the base plate 1 according to Figure 4 in two different side views.
  • the contacts 3 are shown in the fixed state. In this fixed state, the contacts 3 are pressed into the circuit board.
  • the press rams are brought into engagement with the force absorbing sections 9 and a pressing force is transmitted in the pressing direction A perpendicular to the force absorbing sections 9.
  • connection plug 5 (2.8 mm) and connection plug 6 (6.3 mm) designed with different dimensions.
  • the contacts 3 are also shown in the fixed state, in which the contacts 3 are immovably connected to the base body 2.
  • the base body 2 has a separate slot 4 for each contact 3.
  • the base body 2 has an essentially rectangular circumference with rounded corners. It is made of an electrically insulating material in the form of plastic.
  • each of the connecting sections 8 has at least one pin 10 for the respective connection to a contact point on the printed circuit board.
  • Figure 7 shows the base plate 1 in a view from below with a view of the ends of the contacts 3 designed as connection plugs 5, 6.
  • the base plate in the present case has five 6.3 mm connection plugs and four 2.3 mm connection plugs.
  • Figures 8 and 9 shows a press-fit system according to the invention for performing the press-fit process according to the invention.
  • Figure 8 time the components of the system in an exploded view.
  • Figure 9 shows the system in the pressed-in state.
  • the main body 2 and the contacts 3, which together form the base plate 1, can be seen.
  • a printed circuit board 13 is also shown.
  • the printed circuit board 13 has a multiplicity of contact points in the form of holes 14.
  • the holes 14 can at least partially be designed as bores.
  • the pins 10 are pressed into the holes 14.
  • There each hole 14 receives a pin 10 in the pressed-in state.
  • the holes 14 are positioned in the printed circuit board 13 in a manner corresponding to the arrangement of the pins 10 in the fixed state.
  • the holes 14 have a conductive material such as copper, nickel, silver, gold or the like on the inside.
  • the holes 14 are coated on the inside with copper. This serves, on the one hand, for the electrical connection of circuit board 13 and base plate 1.Furthermore, while the pins 10 are pressed in, part of the copper coating is removed by the pressing force acting on the contacts 3, with a mechanical clamping connection, in particular a force-fit connection, between hole 14 and pin 10 is created.
  • a first pressing device 15 can also be seen.
  • the first pressing device 15 has a device 16 for receiving the printed circuit board 13.
  • the device 16 is formed from two holders 17 arranged parallel to one another. Each holder 17 has a fastening web 18 on both ends.
  • the fastening webs 18 of a holder 17 have an arcuate contour on their mutually facing side 19. The contour is convex.
  • a total of four circular arc-shaped concave recesses 21 are formed in the circumferential edge 20 of the circuit board 13.
  • the printed circuit board 13 can be inserted into the device 16 in such a way that in each case a fastening web 18 engages with its convex side 19 in a concave recess 21.
  • a second pressing device 22 is shown.
  • the pressing device 22 is brought into engagement with the base plate 1 in order to press the contacts 3 into the circuit board 13.
  • the pressing device 22 has a continuous pressing section 23.
  • the pressing section 23 is matched to the number, arrangement and shape of the contacts 3.
  • the pressing section 23 thereby has sub-sections 24 which are brought into engagement with the force-absorbing sections 9 during the pressing-in, in order to transmit a pressing force from the pressing device 22 to the base plate 1.
  • each subsection 56 forms a press die.
  • pressing force is transmitted directly to the base body 2 by means of a further sub-section of the pressing section 23.
  • the sub-section is brought into engagement in sections with one of the two edges 25, 26 of the base body 2, which edges are arranged one above the other in a step-like manner.
  • the pressing device 22 is designed as a one-piece molded part. In principle, it can be made of plastic and / or metal. In the present case it is made of metal.
  • the pressing device 22 ensures that the pressing force is distributed particularly evenly to the base plate 1 and in particular to the contacts 3. Damage to the base plate 1, the contacts 3 and the circuit board 13 is therefore prevented.
  • the pressing device 22 also has two guide elements 27, 28 on the holder side.
  • the guide elements 27, 28 are designed as rectangular projections in the pressing device 22. As intended, they serve as a centering aid and / or as an end stop during press-fit. For this purpose, they interact with one of the holders 17 in such a way that a guide element 27, 28 is guided along a fastening web 18.
  • the guide elements 27, 28 are in direct contact with a plate section 29 running at right angles to the fastening webs 18. In this state, they act as spacers and mark the end point of the pressing path. The guide elements 27, 28 thus ensure that the printed circuit board 13 is not damaged.
  • the plate section 29 can be designed in such a way that corresponding bores are formed below the position of the pins 10 in the pressed-in state, so that the pins 10 can penetrate there during and after the press-in process or have space and the force around the bore is absorbed can and thus the circuit board 13 is not damaged.
  • the base plate 1 and the printed circuit board 13 are connected to one another in such a way that their mutually facing surfaces extend at an angle of 90 ° to one another.
  • the two embodiments serve only to illustrate the invention. This expressly does not exclude other embodiments.
  • the invention is not restricted to the use of standard dimensions for connector plugs. Rather, instead of the standardized designs with cross-sectional lengths of 2.8 mm, 6.3 mm or 9.5 mm, dimensions that differ from this are also possible such as 2mm, 6mm, or 10mm. In the context of the invention, connector plugs with cross-sectional lengths between 1 mm and 12 mm are therefore possible in principle.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP20215925.7A 2019-12-22 2020-12-21 Plaque de fond, composant électronique et procédé Pending EP3840128A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019135651.2A DE102019135651A1 (de) 2019-12-22 2019-12-22 Bodenplatte

Publications (1)

Publication Number Publication Date
EP3840128A1 true EP3840128A1 (fr) 2021-06-23

Family

ID=73856088

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20215925.7A Pending EP3840128A1 (fr) 2019-12-22 2020-12-21 Plaque de fond, composant électronique et procédé

Country Status (3)

Country Link
US (1) US11664181B2 (fr)
EP (1) EP3840128A1 (fr)
DE (1) DE102019135651A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130141831A1 (en) * 2010-08-19 2013-06-06 Korea Electric Terminal Co., Ltd. Electronic relay
US20190245284A1 (en) * 2018-02-08 2019-08-08 Fujitsu Limited Electronic component and substrate

Family Cites Families (21)

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US20210193417A1 (en) 2021-06-24
US11664181B2 (en) 2023-05-30

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