EP3435488B1 - Agencement d'appareils - Google Patents

Agencement d'appareils Download PDF

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Publication number
EP3435488B1
EP3435488B1 EP18185926.5A EP18185926A EP3435488B1 EP 3435488 B1 EP3435488 B1 EP 3435488B1 EP 18185926 A EP18185926 A EP 18185926A EP 3435488 B1 EP3435488 B1 EP 3435488B1
Authority
EP
European Patent Office
Prior art keywords
contact
circuit board
printed circuit
plug
spring
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.)
Active
Application number
EP18185926.5A
Other languages
German (de)
English (en)
Other versions
EP3435488A1 (fr
Inventor
Stephan Gassauer
Thomas Trümper
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.)
Wago Verwaltungs GmbH
Original Assignee
Wago Verwaltungs GmbH
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 Wago Verwaltungs GmbH filed Critical Wago Verwaltungs GmbH
Publication of EP3435488A1 publication Critical patent/EP3435488A1/fr
Application granted granted Critical
Publication of EP3435488B1 publication Critical patent/EP3435488B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H01R12/718—Contact members provided on the PCB without an insulating housing
    • 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
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H01R12/523—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures by an interconnection through aligned holes in the boards or multilayer 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
    • H01R12/50—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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/965—Dustproof, splashproof, drip-proof, waterproof, or flameproof holders

Definitions

  • the invention relates to a device arrangement with a first device part, which is an electronic ballast and has a first printed circuit board, and with a second device part, which is a lamp and has a second printed circuit board, the first and second device parts being designed for flat arrangement on top of one another, and wherein the first and the second printed circuit board form two layers spaced apart from one another when the first and second device parts are arranged flat on one another. At least one wall of a device housing of one of the two device parts is located between the first and second layer.
  • Such a device arrangement is a light as a second device part with a printed circuit board carrying the light element.
  • Such light-emitting elements can be light-emitting diodes (LEDs or OLEDs), for example.
  • the first part of the device is an electronic switchgear for such an LED light, which has a circuit board with electronic components for controlling the lighting elements in a switchgear housing.
  • the electronic switchgear part is placed flat on the luminaire housing of the second device part and connected to it.
  • the electrically conductive connection of the two circuit boards of the first and second device parts and the electronic components arranged on the circuit board is conventionally made with lines that protrude from the device part and are clamped to the plug connector or the connection terminal of the other device part.
  • DE 10 2011 103 738 B4 shows a connector with end-side pin contact sections which are plugged into spring terminal connections of two plug connectors arranged on different printed circuit boards.
  • the connector has a meandering length compensation area, by means of which a change in distance between the printed circuit boards arranged next to one another on the same plane can be compensated for.
  • US 7,841,864 B2 shows a multi-part contact element with contact tips at the ends which are arranged on two contact parts which are held displaceably with respect to one another.
  • a cylindrical compression spring is positioned between the contact parts in order to build up a contact force and to compensate for changes in length.
  • EP 2 814 116 A1 shows a connection of two parallel and spaced printed circuit boards with a metallic connecting element.
  • a plug contact element On the side of the first circuit board facing away from the opposite, second circuit board, there is a plug contact element with spring contact arms that is soldered to the circuit board.
  • the connecting element reaches through an opening in the first printed circuit board with a contact pin section and is clamped in an electrically conductive manner to the spring contact arms of the contact element.
  • the opposite, second contact section of the connecting element is designed as a resiliently widened clamping spring section, which plunges into a contact bore of the second printed circuit board in a clamping and electrically contacting manner.
  • the US 9,016,902 B1 , the CN 102366677 A and the EP 2 818 219 A1 show toy building blocks that can be illuminated from the inside by integrated light sources.
  • the modules have printed circuit boards for controlling the lighting means as well as contacting means which, when the toy modules are mechanically connected, engage the next module through the connecting pins and thus establish an electrical connection between the modules.
  • Environmental influences are to be understood as influencing the ingress of dust, moisture and / or contact protection or the like when the electronic ballast and the lamp are flat on top of one another.
  • the first and second circuit board have contact areas, and that a third contact element is provided which can be connected to a contact area of the first circuit board indirectly via a first contact element and to a contact area of the second circuit board directly or indirectly via a second contact element is, the third contact element reaching through the at least one wall.
  • the first and second circuit boards arranged in the electronic ballast and the lamp are thus connected to one another in an electrically conductive manner by at least one third contact element, which can be connected indirectly via a first contact element to a respective contact area of the first circuit board and directly to the respective contact area of the second circuit board or indirectly can be connected to the respective contact area of the second printed circuit board via a second contact element.
  • the contact element extends from the first and second printed circuit boards arranged at a distance from one another on parallel planes and is generally essentially perpendicular to the printed circuit boards. This means that the plug-in direction of the at least one contact element is not aligned parallel to the plane of the circuit boards, but rather transversely to the planes of the circuit boards.
  • An electrically conductive connection is established between two associated contact areas of the two circuit boards via the contact surfaces of the circuit boards, the first contact element connected to a contact surface of the first circuit board and the third contact element and possibly a second contact element connected to the contact surface of the second circuit board.
  • the third contact element extends through a wall of a device housing, which is located between the first and second circuit board. In this way, the alignment and positioning of the two parts of the device with respect to one another is easier to see when they are plugged into one another and the air and creeping connections are optimized.
  • the at least one pair of contact areas of the first and second printed circuit boards positioned relative to one another with the third contact element in between has the advantage that the first device part is placed flat on the second device part can be and at the same time the electrically conductive contact is made via the third contact element.
  • the contact element is then inevitably located in the area covered by the first and second device part and is therefore inaccessible. This not only provides protection against accidental contact, but also protects the electrically conductive connection from other environmental influences such as dust and possibly moisture due to the flat contact of the first and second device parts. This also advantageously achieves a compact arrangement of the device parts that takes up little space.
  • transverse and perpendicular are not to be understood in the sense of exactly 90 ° to the plane, but rather in the sense of more vertical than horizontal, i.e. 90 ° +/- 45 °.
  • the first and second circuit boards can each have at least one contact area, so that the device arrangement has at least one third contact element for the electrically conductive connection of a pair of contact areas of the first and second circuit board.
  • the term “a” is therefore not to be understood as a numerical word, but rather in the sense of “at least one” and does not exclude further elements.
  • the third contact element can be fixed in position on the first contact element. However, it is also conceivable that the third contact element can be fixed in position on the contact area of the second printed circuit board or the second contact element. Position fixing is understood to mean that the third contact element remains or remains on the contact element or contact area on which it is fixed in position when the first and second device parts are pulled off from one another.
  • the position can be fixed by a form-fitting connection, for example by soldering to a contact area, a printed circuit board.
  • the contact area can be a copper surface of a printed circuit board.
  • it is also conceivable to fix the position by frictional connection for example by clawing the third contact element on a contact element that has a spring clamp contact.
  • the third contact element can be releasably connectable to the first contact element or the contact area of the second printed circuit board or the second contact element in a tool-free manner. So that the third contact element of the contact element or Contact area separated as soon as the first and second device part are removed from each other.
  • the contact element When the first device part with the first printed circuit board is removed from the second device part, the contact element can remain on the second device part, for example, due to the positional fixing.
  • the contact element is releasably connected to a contact area of the first circuit board, so that when the first device part is plugged onto the second device part it comes into plug-in contact with the contact area of the first circuit board and when the first device part is removed from the second device part from the contact area of the first conductor part first printed circuit board is disconnected.
  • the third contact element can be designed as a contact pin.
  • the first contact element of the first printed circuit board and, if applicable, the optional second contact element of the second printed circuit board can be designed as plug-in contacts with contact springs for clamping in each case a plug-in area of the contact pin.
  • the second printed circuit board of the second part of the device can thus be provided with such contact pins. These contact pins are inserted into the plug-in contacts of the second circuit board, soldered to the contact areas of the second circuit board, or otherwise fixed in position on the second circuit board. To fix the position, the sharp-edged clamping edges of the spring tongues of the second contact element can claw into the pin contact within the plug-in area of the pin contact facing the second printed circuit board.
  • the plug-in areas of the contact pins protruding from the second device part contact the associated first contact elements of the first printed circuit board of the first device part.
  • These plug-in areas are plugged into the first contact elements of the first printed circuit board, which are designed as plug-in contacts, and are also clamped there in an electrically conductive manner with the contact springs.
  • the contact springs and / or the plug-in areas of the contact pin are designed for the plug-in contact on the first printed circuit board in such a way that the plug-in contact can be released.
  • the material of the pin contact here has a hardness which at least approximately corresponds to or is higher than the hardness of the spring tongues of the first and second contact elements.
  • the first plug-in area of the pin contact has a coating made of an electrically conductive material with a greater surface hardness than the electrically conductive material underlying the coating. In this way, a more sharp-edged clamping end of a contact spring can slide off the contact pin when the first housing part is pulled off the second housing part.
  • the second plug-in area of the pin contact can be embossed.
  • the associated plug contact of the second printed circuit board then has a spring tongue with a contact edge designed for latching in the impression of the second plug area.
  • Such an impression can be, for example, a partially or completely circumferential groove in the contact pin.
  • an elevation embossed on the contact pin is also conceivable.
  • Such an impression forms a stop in conjunction with the contact edge of the spring tongue of the plug-in contact that secures the contact pin from being pulled out.
  • the plug contact can have a contact pin and an electrically insulating jacket which surrounds the contact pin between the first and second plug-in areas.
  • Such an electrically insulating jacket can be used on the one hand as a grip element for gripping and inserting the contact pin into a plug contact of the first and / or second housing part. It also serves as electrical insulation and optionally also as a seal for an opening in the at least one housing part into which the jacket is introduced.
  • the jacket can be formed from a rigid plastic material or from an elastic plastic or rubber material or a mixture thereof.
  • An elastic jacket has the advantage of an improved seal.
  • the contact area and the optionally present second contact elements of the second circuit board can each be accessible via an opening in the second circuit board.
  • the jacket then dips into an opening in the second circuit board.
  • the contact pin i.e. the third contact element, is thus aligned in its position and held in a predetermined position when the first device part is placed on the second device part.
  • the third contact element can be designed as a helically coiled compression spring.
  • This compression spring is fixed in position on the contact area of the second circuit board and, when the first and second device parts are arranged one on top of the other, acts on the first contact element of the first circuit board by means of spring pressure.
  • the compression spring is compressed by the first device part and in this way a faster, safer and more reliable electrically conductive contact is achieved between the two opposing circuit boards via the compression spring.
  • the end of the compression spring fixed in position on the contact area of the second printed circuit board can be expanded radially and can be soldered or soldered to the contact area of the second printed circuit board.
  • the turns of the compression spring are thus oriented radially outward at least in the last turn, so that the at least one last turn has a larger radius than the adjacent turn area of the compression spring that extends to the first printed circuit board.
  • This radially widened end provides a support on the surface of the circuit board that can be connected to an electrically conductive contact layer of the circuit board. It is also conceivable that this radially widened area has a bent back end which is passed through a hole in the circuit board and is soldered to the circuit board on the opposite side.
  • the contact element of the first circuit board can be a spring bearing plate soldered to the circuit board.
  • the compression spring is then placed on this spring bearing plate, which is firmly connected to the circuit board, and in the process makes electrically conductive contact with the circuit board.
  • the spring bearing plate can be arranged on the side of the circuit board facing away from the opposite circuit board. Then an opening leading to the spring bearing plate is provided in the circuit board.
  • the compression spring is then placed on the spring bearing plate through the opening and is arranged at a predetermined position with the aid of the opening.
  • the spring bearing plate can have a base protruding into the opening in the circuit board.
  • the compression spring is then received adjacent to the base and the edge of the circuit board delimiting the opening.
  • the base not only prevents the compression spring from slipping. Rather, the current transfer between the compression spring and the spring bearing plate is also improved.
  • the spring bearing plate can have a soldering finger which can be inserted into an associated bore in the circuit board and which can be soldered to the circuit board on the side of the circuit board on which the free end of the soldering finger protrudes. It goes without saying that the spring plate can have not only one such soldering finger, but also several, such as, for example, two, three or four soldering fingers protruding from the spring bearing plate.
  • the spring bearing plate can be attached to the circuit board in a very stable manner, so that the pressure force of the compression spring via the spring bearing plate is reliably and reliably absorbed by the circuit board over the long term.
  • a support spring can be provided between the second circuit board of the second device part and a support surface of the second device part.
  • the inner wall for example, can be used as such a support surface of the second device part a housing of the device part can be used.
  • the support spring is an extension of the compression spring on the side of the second printed circuit board that faces away from the first device part.
  • the compression spring extends between the first and second circuit board and the support spring between the support surface of the compression spring on the second circuit board and the support surface of the second device part, which is on the side of the second circuit board diametrically opposite the first device part.
  • the compression spring and the support spring thus rest against one another with an intermediate spring bearing plate, if necessary, and extend in diametrically opposite directions from one another.
  • the support spring can be a part formed separately from the compression spring. However, it is also conceivable that the support spring is formed in one piece with the compression spring. In the transition between the compression spring and the support spring, ie in the area where the compression spring and the support spring are supported on the second printed circuit board, the support spring can be expanded radially in comparison to the compression spring.
  • Figure 1 shows a perspective view of a device arrangement 1, which is formed from a first device part 2 and a second device part 3.
  • the first device part 2 is an electronic ballast which is supplied with supply voltage and possibly control signals via connecting cables (not shown) which can be plugged into a plug connector 4.
  • the second device part 3 is a lamp with a lamp housing 5 in which a circuit board 6 is installed.
  • the circuit board 6 carries flat lighting elements, such as, for example, light-emitting diodes, which are located on the surface of the Circuit board 6 are arranged distributed.
  • the luminaire housing 5 is covered with a transparent cover 7 on the side opposite the first device part 2, so that the light emitted by the lighting elements can only pass through the transparent cover 7 to the outside.
  • the first device part 2 also has a supply device housing 8 which is placed flat on the lamp housing 5 on the side of the second device part 3 which is diametrically opposite the transparent cover 7.
  • FIG. 11 shows a side sectional view through the device arrangement 1 from FIG Figure 1 .
  • the first device part 2 also carries a circuit board 9 which is arranged at a distance from the circuit board 6 of the second device part 3 when the first device part 2 is placed flat on the second device part 3.
  • a printed circuit board 6 is mentioned in this context, then this is to be understood as being functional.
  • Such a printed circuit board 6 can also be made up of several parts.
  • the lamp housing 5 is composed of several parts with several printed circuit boards 6 correspondingly limited in length.
  • a variant is also possible in which only a one-piece lamp housing 5 with a single printed circuit board 6 is present.
  • first circuit board 9 of the first device part 2 and the second circuit board 6 of the second device part 3 are located on two planes spaced from one another.
  • the first and second circuit boards 9 and 6 are aligned approximately parallel to one another.
  • At least one wall is arranged between the first and second printed circuit boards 6, 9.
  • a wall is formed by the bottom wall of the supply device housing 8.
  • a further material layer or wall can be arranged between the first device part 2 and the second device part 3.
  • a further material layer is formed by the carrier wall of the lamp housing 5 which is diametrically opposite the transparent cover 7.
  • Such a further material layer or wall can also be formed, for example, as a sheet metal that is used, for example, for cooling, or a wall of a trough-shaped support rail body or the like that may be present.
  • the first printed circuit board 9 also carries electronic components (not shown). This first printed circuit board 9 has openings 10 through which an SMD plug contact 11 is passed. The underside of the circuit board 9 can thus be used for the reflow soldering process.
  • the plug connector 4 is mounted with the push-through installation and can then be soldered on the same side of the first printed circuit board 9 as the SMD plug connector 11.
  • the SMD plug connectors 11 have spring tongues 12 which protrude in the direction that faces away from the opposite, second device part 3.
  • the second circuit board 6 carries light-emitting elements 13 in the form of light-emitting diodes on the upper side of the circuit board 6, which faces away from the first device part 2 in the attached state. Furthermore, SMD plug-in contacts 14 are also soldered onto this side of the second printed circuit board 6. These SMD plug-in contacts 14 also each have a pair of spring tongues 12 which point towards one another and which are bent in the direction facing away from the first device part 2.
  • Third contact elements in the form of contact pins 15 are provided for the electrically conductive connection of the first device part 2 to the second device part 3. These contact pins 15 are inserted into a pair of first and second contact elements in the form of SMD plug connectors 11, 14 of the first and second device parts 2, 3, which are arranged one above the other in alignment.
  • the second printed circuit board 6 has a plug-in opening 16 in the plug-in alignment of an SMD connector 14. Corresponding plug-in openings are then also found in the same plug-in alignment in the luminaire housing 5 and the supply device housing 8.
  • the contact pins 15 are each surrounded by an electrically insulating jacket 17 which is guided through the plug-in openings 16 or dips into them.
  • the first device part 2 which forms the electronic ballast EVG, is contacted by two second printed circuit boards 6 arranged next to one another.
  • the third contact elements ie the pin contacts 15 in this exemplary embodiment.
  • FIG. 11 shows a perspective view of the device arrangement 1 from FIG Figure 1 and 2 in the exploded view.
  • the plug-in openings 16 in the luminaire housing 5, which are arranged in a symmetrical square in the exemplary embodiment and each lead to an SMD plug-in contact 14, are clear.
  • a contact pin 15 is inserted into each of these plug-in openings 16, as in the preassembled view in FIG Figure 4 can be seen.
  • the first device part 2 can then be plugged onto the second device part 3, as indicated by the arrow in FIG Figure 4 is indicated.
  • the jacket 17 extends only over part of the length of the contact pins 15 and leaves two diametrically opposite plug-in areas of the contact pin 15 free.
  • the connection between the contact pin 15 and the SMD plug-in contacts 11 of the first device part 2 is, however, still designed to be detachable.
  • the first device part 2, i.e. the electronic ballast, can easily be replaced by pulling it off from the second device part 3, i.e. from the lamp.
  • the pin contacts 15 remain on the second device part 3 and the new or repaired first device part 2 can later simply be placed back on the second device part 3 and electrically connected to it by means of the remaining third contact elements, i.e. the pin contacts 15 fixed in position.
  • FIG. 11 shows a side sectional view of a detail of the device arrangement 1 from FIG Figures 1 to 4 . It can be seen that the SMD plug-in contacts 11, 14 of the first and second circuit boards 9, 6 of the first and second device parts 2, 3 are opposite one another and define a plug-in axis in which a contact pin 15 is perpendicular to the first and second circuit boards 9, 6 is plugged in. In this inserted state, the spring tongues 12 of the SMD connector 14 of the second printed circuit board 6 claw with the lower plug area of the contact pin 15.
  • the plug connection to the first printed circuit board 9, however, is detachable, so that the first device part 2 with a certain force from the second Device part 3 can be pulled off, the contact pin 2 remaining in the plugged-in state on the second printed circuit board 6 of the second device part 3. This can be done or supported, for example, by surface coating of the upper plug-in region of the contact pin 15.
  • Figure 6 shows a perspective sectional view through the device arrangement of Figures 1 to 5. It can be seen here that the first and second device parts 2, 3 each have several associated pairs of SMD plug contacts 11, 14, which are each aligned with one another at the predetermined plug positions . These plug-in positions are visibly predetermined by the plug-in openings 16 in the lamp housing 5, the openings in the second printed circuit board 6 and the openings on the underside of the supply device housing 8.
  • Figure 7 shows an SMD plug contact 11, 14, each of which has a pair of spring tongues 12 facing one another.
  • the spring tongues 12 each have a clamping edge 18 at their free end.
  • This clamping edge 18 is sharp-edged in the illustrated embodiment, so that an inserted contact pin 15 is fixed in position and can only be removed from the plug contact by turning it in a spiral. Only by suitable coating with a material of sufficiently high surface hardness can the contact edges 18 be prevented from digging into the contact pin 15 and clawing it.
  • Figure 8 shows a perspective view of a contact pin 15, the first, longer plug area 19 of which is provided with such a surface coating.
  • the lower, shorter plug-in area 20, on the other hand, is uncoated and has a lower surface hardness than the first plug-in area 19, so that the contact edges 18 of the SMD plug-in contact 14 dig there.
  • the SMD plug contact 11, 14 has soldering feet 21 at the diametrically opposite ends, to which the SMD plug contact 11, 14 is placed on a circuit board 6, 9 and soldered to it.
  • the soldering feet 21 are located on a different level than the level of the connecting web 22 located higher up, in which the spring tongues 12 are cut free.
  • the spring tongues 12 are bent from this connecting web 22 in a direction which is diametrically opposite the soldering feet 21, ie facing away from them.
  • Figure 9 shows a perspective view of an arrangement of third contact elements 23 with four contact pins 15 arranged symmetrically in a square and a contact frame 24.
  • the contact frame 24 is formed from an electrically insulating plastic material.
  • the jackets 17 of the contact pins 15 are inserted into corresponding openings in the frame element 24 or formed in one piece with the frame element 24.
  • the contact pins 15 are inserted into these jackets 17 and in this way are held by the frame element 24 via the jackets 17 and are held in the required insertion position.
  • the contact elements for example in the form of the contact pins 15, are covered by the contact surfaces of the first and second device parts 2, 3, which face one another and preferably lie directly on one another, these connection areas are protected from contact, dust and possibly even moisture .
  • Figure 10 shows a side sectional view of a somewhat modified device arrangement 1. Again, the first device part 2 is placed on the second device part 3.
  • the basic structure corresponds to the arrangement described above, so that reference can essentially be made to what has been said above.
  • the plug contacts 25 of the first device part 2 are, however, modified and not designed as SMD plug contacts. Rather, they have solder contact pins 26 protruding through bores in the first printed circuit board 9. The opening 10 in the printed circuit board 9 can thus be reduced in size. In addition, these push-through plug contacts 25 are mechanically more stable connected to the first printed circuit board 9 than the SMD plug contacts 11, 14.
  • the first printed circuit board 9 nevertheless has a somewhat smaller plug-in opening 10 which is aligned with the plug-in openings 16 in order to enable access of a contact pin 15 to the associated spring tongues 12 of the push-through plug-in contact 25.
  • Figure 11 10 shows a sectional view of a detail of the device arrangement 1 from FIG. 10. It becomes clear that the contact pin 15 is again inserted in the predetermined insertion direction perpendicular to the first and second circuit boards 6, 9 into the lower SMD plug contact 14 and the upper push-through plug contact 25 is.
  • FIG. 11 shows a perspective sectional view of the device arrangement from FIG Figure 10 and 11 .
  • the plug-in opening 10 in the first printed circuit board 9 is now designed as a bore with a larger cross-section than the diameter of the contact pins 15.
  • This plug-in opening 10 is, however, smaller than the, for example, rectangular plug-in opening 10 of the first exemplary embodiment in which the SMD plug-in contact 11 is passed through this plug-in opening 10.
  • Figure 13 shows a perspective view of the push-through plug-in contact 25 for the first device part 2. It becomes clear that solder contact pins 26 protrude from the connecting web 22 on which the spring tongues 12 are formed at the opposite ends. These solder contact legs 26 have a smaller width than the connecting web 22.
  • spring tongues have sharp-edged contact edges 18.
  • Figure 14 shows a second type of through-plug contact 25, in which, in contrast to FIG Figure 13 The first type shown, the contact edges 18 are beveled. This bevel prevents the spring tongues 12 from clawing into the contact pin 15. In this way, the first device part 2 can be pulled against the clamping force of the clamping springs 12 from the contact pins 15, which claw in a fixed position on the opposite side with the SMD plug-in contacts 14 of the second device part 3.
  • Figure 15 shows a third type of plug contact 25, in which the contact edges 18 are rounded. This also prevents the contact pins 15 from clawing on the spring tongues 12. They can also be pulled out again without a coating, so that this results in a detachable plug connection.
  • Figure 16 shows a modified contact pin 15, which in turn is surrounded by an electrically insulating jacket 17.
  • the lower, second plug-in area 20 for the second device part 3 has an indentation 27.
  • this is designed as a groove or groove running around the circumference of the contact pin 15.
  • such an indentation is designed as a notch that only partially extends over the circumference or as an elevation or a combination thereof.
  • the indentation 27 forms a stop for a spring tongue 12 when the contact pin 15 is inserted into a plug contact 14 of the second device part 3.
  • the contact edges 18 of the spring tongues 12 virtually snap into the indentation 27 and come to rest there.
  • the contact pin 15 is fixed in position and can no longer simply be pulled out.
  • the contact pins 15 remain on the second device part 3.
  • the positional fixation can be improved, which already results from the digging of sharp-edged contact edges 18 of the spring tongues 12.
  • Figure 17 shows a perspective exploded view of another variant of a device arrangement 1.
  • the first device part 2 is placed flat on the second device part 3.
  • compression springs 28 are provided as third contact elements, which protrude through plug-in openings 16 of the lamp housing 5 on the side opposite the transparent cover 7 of the second device part 3.
  • the first device part 2 is placed in the direction of the arrow on the support surface of the lamp housing 5 so that the compression springs 28 dip into the interior of the supply device housing 8 of the first device part 2 and contact the first contact elements of the first printed circuit board 9 located in the supply device housing 8.
  • first printed circuit board 9 of the first device part 2 carry spring bearing plates 29 which form the first contact elements of the first printed circuit board 9. These are soldered to the first printed circuit board 9. In the exemplary embodiment shown, these are mounted in a stable position in push-through assembly with soldering fingers 30.
  • the compression spring 28 extends through the plug-in opening 16 of the lamp housing 5, an aligned opening in the supply device housing 8 and a plug-in opening 10 in the first printed circuit board 9 in order to then come into contact with the spring bearing plate 29.
  • the spring bearing plate 29 has a base 31 protruding into the opening 10. The contact end of the compression spring 28 is then fixed in position between the base 31 and the edge of the first printed circuit board 9 delimiting the opening 10.
  • the first device part 2, which forms the electronic ballast EVG is contacted by two second printed circuit boards 6 of the second device part 3 arranged next to one another.
  • the third contact elements i.e. the compression springs 28 in this exemplary embodiment.
  • the compression springs 28 are soldered to the underside of the second printed circuit board 6, on which the light-emitting elements 13 are also located.
  • the compression spring 28 is expanded radially with its last turn and thus has a larger diameter there than in the part extending towards the first printed circuit board 9. This last turn, which is radially expanded, is then soldered to a contact surface of the second printed circuit board 6.
  • the electrically conductive connection between the first printed circuit board 9 and the second printed circuit board 6 takes place via the spring bearing plate 29 connected to the first printed circuit board 9 and the compression spring 28 which is applied to it by means of the spring force and which in turn is soldered to the second printed circuit board 6 on the underside.
  • compression spring 28 is cylindrical in the illustrated embodiment, i.e. has approximately the same diameter except for the last radially expanded turn 32.
  • FIG. 13 shows a perspective sectional view of the device arrangement from FIG Figure 18 and 19th . It can be seen here that the base 31 of the spring bearing plate 29 tapers conically and projects in the direction of the plug openings 16 of the supply device housing 8 and the second device part 3. The compression spring 28 is received with its free end between the base 31 and the edge edges delimited in the opening 10 of the first printed circuit boards 9.
  • Figure 21 shows a perspective view of the compression spring 28 with its radially expanded last turn 32.
  • the compression spring 28 is formed in a spiral shape from a spring steel wire. It exerts a spring force when it is compressed in the opposite direction to its extension length.
  • Figure 22 shows a perspective view of the spring bearing plate 29, from which soldering fingers 30 protrude perpendicularly at the four corners. In the push-through assembly, these are inserted into the first printed circuit board 9 and soldered to the first printed circuit board 9 at their free ends on the rear side.
  • the spring bearing plate 29 has in the center a base 31 which projects downwards in the direction of the soldering fingers 30 and which tapers conically.
  • Figure 23 shows a side sectional view of a modified embodiment of the device arrangement 1 with an upper first printed circuit board 9, a lower second printed circuit board 6 and a compression spring 28 arranged between them.
  • This compression spring 28 is in turn expanded radially at the lower end.
  • the spring bearing plate 29 is modified somewhat. It is intended for SMD soldering on the underside of the first printed circuit board 9. It therefore has no soldering fingers 30 as in the previously described embodiment.
  • the base 31 is in turn formed in the center of the spring bearing plate 29.
  • a receiving trough 34 for the free end of the compression spring is formed between the base 31 and the bearing surfaces 33.
  • This receiving trough 34 is circumferential in a ring shape and holds the compression spring 28 in the predetermined position. In this way, the current transfer between the compression spring 28 and the spring bearing plate 29 is also optimally designed.
  • Figure 24 shows a side view of the spring bearing plate 29 and the compression spring 28 in section through the first and second printed circuit boards 9, 6. It is clear that the spring bearing plate 29 rests flat on the underside of the first printed circuit board 9 with a support edge 33. The spring bearing plate 29 then dips into an opening 10 in the first printed circuit board 9 and provides a trough there for receiving the compression spring 28.
  • Figure 25 shows a modified embodiment of a device arrangement 1 in partial section.
  • the spring bearing plate 29 is designed as a U-shaped bent bracket. Again, the compression spring 28 is received in the spring bearing plate 29 and is fixed in position there and contacted in an electrically conductive manner.
  • a support spring 35 is thus formed which is supported on the side of the second device part on this second device part 3, for example on the transparent cover 7 which is diametrically opposite the first printed circuit board 9 of the first device part 2. This relieves the load on the soldered connection of the radially expanded last turn 32 of the compression spring 28 when the first device part 2 is placed on the second device part 3.
  • Such a support spring 35 can also be designed as a separate part. Such a support spring 35 can also be used advantageously as a separate or as an integral part in the previously described embodiments of the compression spring.
  • FIG. 11 shows a sectional view of the device arrangement from FIG Figure 25 . It becomes clear that the support spring is formed integrally with the radially widened last turn 32 of the compression spring 28 and, proceeding therefrom, tapers conically again.
  • the spring bearing plate 29 has several troughs 36 with different radii.
  • the compression spring 28 can be fixed in the appropriate position.
  • Figure 27 shows another embodiment of a device arrangement in which the compression spring 28 rests on the top of the second printed circuit board 6 of the second device part 3. In this way, the contact force is absorbed by the printed circuit board 6 without stressing the soldered connection.
  • the electrically conductive contact between the compression spring 28 and the second printed circuit board 6 is ensured by an SMD plug contact 14 soldered to the underside of the second printed circuit board 6. This can be the one already described in detail above and in Figure 7 act shown SMD plug contact.
  • the compression spring 28 At its end fixed in position, the compression spring 28 has a straight conductor end 37 which is bent out of the spiral coil and which is inserted into the SMD plug contact 14 and plug-in contact with the spring tongues 12. The compression spring 28 is thus held in a fixed position after it has been inserted into the second device part 3.
  • FIG. 11 shows a partial sectional view of the device arrangement from FIG Figure 27 . It becomes clear that the compression spring 28 is coiled in a spiral shape and ends in the straight conductor end 37 at its area fixed in position with the second printed circuit board 6. Even if a spring bearing plate 29 of the exemplary embodiment is made for this exemplary embodiment Figure 26 is shown, this variant with a straight conductor end 37 can also be combined with other spring bearing plates.
  • Figure 29 shows a perspective view of the device arrangement with the spring bearing plate 29, which is designed as a U-shaped bent sheet metal part, the mutually opposite soldering fingers 30 inserted into openings or slots of the first circuit board 9 and soldered to them.
  • Such a spring bearing plate 29 punched out of a sheet metal part requires very little material and can thus be produced simply and inexpensively.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (18)

  1. Agencement d'appareil (1) comportant une première partie d'appareil (2) qui est un ballast électronique et qui comporte une première carte de circuit imprimé (9), et une deuxième partie d'appareil (3) qui est un luminaire et qui comporte une deuxième carte de circuit imprimé (6), les première et deuxième parties d'appareil (2, 3) étant réalisées pour être disposées à plat l'une sur l'autre, et les première et deuxième cartes de circuit imprimé (9, 6) formant deux couches espacées l'une de l'autre lorsque les première et deuxième parties d'appareil (2, 3) sont disposées à plat l'une sur l'autre, et au moins une paroi d'un boîtier d'appareil (5, 8) de l'une des deux parties d'appareil (2, 3) se trouvant entre les première et deuxième cartes de circuit imprimé (9, 6),
    dans lequel
    - les première et deuxième cartes de circuit imprimé (9, 6) ont des zones de contact, et
    - il est prévu un troisième élément de contact (15, 28) qui peut être relié de manière électriquement conductrice à une zone de contact de la première carte de circuit imprimé (9) indirectement par l'intermédiaire d'un premier élément de contact (11, 29) et à une zone de contact de la deuxième carte de circuit imprimé (6) directement ou indirectement par l'intermédiaire d'un deuxième élément de contact (14),
    - le troisième élément de contact (15, 28) traverse ladite au moins une paroi.
  2. Agencement d'appareil (1) selon la revendication 1,
    dans lequel le troisième élément de contact (15, 28) peut être fixé en position sur le premier élément de contact (11, 29) ou sur la zone de contact de la deuxième carte de circuit imprimé (6) ou sur le deuxième élément de contact (14).
  3. Agencement d'appareil (1) selon la revendication 1,
    dans lequel le troisième élément de contact (15, 28) peut être relié de manière amovible au premier élément de contact (11, 29) ou à la zone de contact de la deuxième carte de circuit imprimé (6) ou au deuxième élément de contact (14), sans utiliser d'outils.
  4. Agencement d'appareil (1) selon l'une des revendications 1 à 3,
    dans lequel le troisième élément de contact est réalisé sous forme de broche de contact (15), et les premier et deuxième éléments de contact (11, 14) sont réalisés sous forme de contacts enfichables (11, 14, 25) ayant des ressorts de contact pour serrer une zone d'enfichage respective de la broche de contact (15).
  5. Agencement d'appareil (1) selon la revendication 4,
    dans lequel une première zone d'enfichage (19) de la broche de contact (15) prévue pour la connexion amovible présente un revêtement en un matériau électriquement conducteur avec une dureté de surface supérieure à celle du matériau conducteur se trouvant sous le revêtement.
  6. Agencement d'appareil (1) selon la revendication 4 ou 5,
    dans lequel est estampée une deuxième zone d'enfichage (20) de la broche de contact (15) prévue pour la liaison en position fixe, et le deuxième élément de contact (14) associé de la deuxième carte de circuit imprimé (6) présente une languette élastique (12) ayant un bord de contact (18) réalisé pour s'encliqueter dans l'estampage (27) de la deuxième zone d'enfichage.
  7. Agencement d'appareil (1) selon l'une des revendications 4 à 6,
    dans lequel le troisième élément de contact présente une broche de contact (15) et une gaine électriquement isolante (17) qui entoure la broche de contact (15) entre la première et la deuxième zone d'enfichage (19, 20).
  8. Agencement d'appareil (1) selon la revendication 7,
    dans lequel les deuxièmes éléments de contact (14) de la deuxième carte de circuit imprimé (6) sont chacun accessibles par une ouverture (16) dans la deuxième carte de circuit imprimé (6), et la gaine (27) plonge dans une ouverture (16) dans la deuxième carte de circuit imprimé (6) du deuxième élément de contact (14).
  9. Agencement d'appareil (1) selon l'une des revendications 1 à 3,
    dans lequel le troisième élément de contact est réalisé sous la forme d'un ressort de compression (28) enroulé en hélice, qui est fixé en position sur la zone de contact de la deuxième carte de circuit imprimé (6) et qui, lorsque les première et deuxième parties d'appareil (2, 3) sont disposées l'une au-dessus de l'autre, sollicite le premier élément de contact (29) de la première carte de circuit imprimé (6) au moyen de la force de compression du ressort.
  10. Agencement d'appareil (1) selon la revendication 9,
    dans lequel l'extrémité du ressort de compression (28), fixée en position sur la zone de contact de la deuxième carte de circuit imprimé (6), est élargie radialement et est brasée ou peut être brasée sur la zone de contact de la deuxième carte de circuit imprimé (6).
  11. Agencement d'appareil (1) selon la revendication 9 ou 10,
    dans lequel la zone de contact de la deuxième carte de circuit imprimé (6) est reliée à un deuxième élément de contact qui est réalisé sous forme de contact d'enfichage (14) ayant un ressort de contact, et
    l'extrémité fixée en position du ressort de compression (28) est une extrémité de conducteur rectiligne (37) qui est pliée à partir de l'enroulement en hélice et qui est destinée à être enfichée dans le contact d'enfichage (14) et à être serrée sur le contact d'enfichage (14) au moyen du ressort de contact.
  12. Agencement d'appareil (1) selon l'une des revendications 9 à 11,
    dans lequel le premier élément de contact de la première carte de circuit imprimé (9) est une plaque de support de ressort (29) brasée sur la carte de circuit imprimé (9).
  13. Agencement d'appareil (1) selon la revendication 12,
    dans lequel la plaque de support de ressort (29) est disposée sur le côté de la première carte de circuit imprimé (9) détourné de la deuxième carte de circuit imprimé (6) opposée, et une ouverture (10) menant à la plaque de support de ressort (29) est prévue dans la première carte de circuit imprimé (9).
  14. Agencement d'appareil (1) selon la revendication 13,
    dans lequel la plaque de support de ressort (29) présente une base (31) faisant saillie dans l'ouverture (10) de la première carte de circuit imprimé (9), le ressort de compression (28) étant reçu entre la base (31) et le bord de la première carte de circuit imprimé (9) délimitant l'ouverture (10).
  15. Agencement d'appareil (1) selon l'une des revendications 13 ou 14, dans lequel la plaque de support de ressort (29) présente des doigts de brasage (30) qui peuvent être enfichés dans des perçages de la première carte de circuit imprimé (9) et qui peuvent être brasés sur la première carte de circuit imprimé (9) sur le côté de la première carte de circuit imprimé (9) sur lequel dépassent les extrémités libres des doigts de brasage (30).
  16. Agencement d'appareil (1) selon l'une des revendications 9 à 15,
    dans lequel un ressort de soutien (35) est prévu entre la deuxième carte de circuit imprimé (6) de la deuxième partie d'appareil (3) et une surface de soutien de la deuxième partie d'appareil (3), le ressort de soutien (35) étant disposé dans le prolongement du ressort de compression (28) sur le côté de la deuxième carte de circuit imprimé (6) qui est détourné la première partie d'appareil (2).
  17. Agencement d'appareil (1) selon la revendication 16,
    dans lequel le ressort de soutien (35) est formé séparément du ressort de compression (28) ou intégralement avec le ressort de compression (28).
  18. Agencement d'appareil (1) selon l'une des revendications précédentes, dans lequel la première et/ou la deuxième carte de circuit imprimé (9, 6) présente(nt) une ouverture (10) permettant l'accès à un premier ou à un deuxième élément de contact (11, 14) disposé sur le côté de la carte de circuit imprimé (9, 6) détourné de la carte de circuit imprimé (6, 9) opposée, et le troisième élément de contact (15, 28) est mené à travers l'ouverture (10) vers le premier ou le deuxième élément de contact (11, 14).
EP18185926.5A 2017-07-28 2018-07-27 Agencement d'appareils Active EP3435488B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102017117179.7A DE102017117179B4 (de) 2017-07-28 2017-07-28 Geräteanordnung

Publications (2)

Publication Number Publication Date
EP3435488A1 EP3435488A1 (fr) 2019-01-30
EP3435488B1 true EP3435488B1 (fr) 2021-09-01

Family

ID=63079755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18185926.5A Active EP3435488B1 (fr) 2017-07-28 2018-07-27 Agencement d'appareils

Country Status (3)

Country Link
EP (1) EP3435488B1 (fr)
CN (1) CN209150334U (fr)
DE (1) DE102017117179B4 (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192232A (en) * 1992-07-13 1993-03-09 Molex Incorporated Electrical connector system utilizing thin male terminals
TWM351484U (en) * 2008-08-11 2009-02-21 Hon Hai Prec Ind Co Ltd Electrical connector contact
DE102011103738B4 (de) * 2011-05-31 2015-04-02 Wago Verwaltungsgesellschaft Mbh Kupplungsverbinder und Set aus Steckverbindern
CN102366677A (zh) * 2011-10-10 2012-03-07 东莞和佳塑胶制品有限公司 具接电构造的发光积木及其接电构造
FR3007216B1 (fr) * 2013-06-12 2017-01-13 Valeo Vision Agrafe de connexion electrique pour platine avec led d'eclairage
EP2818219A1 (fr) * 2013-06-28 2014-12-31 Chia-Yen Lin Type de contact modularisé de bloc de construction conducteur
CN104587683B (zh) * 2014-07-22 2017-03-01 龙门县佳茂聚氨酯橡胶有限公司 高透光的发光积木
US9673544B1 (en) * 2016-02-12 2017-06-06 Bingshui Chen Short type metal female terminal and an LED light using the same

Also Published As

Publication number Publication date
CN209150334U (zh) 2019-07-23
DE102017117179A1 (de) 2019-01-31
EP3435488A1 (fr) 2019-01-30
DE102017117179B4 (de) 2020-03-26

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