EP4312320B1 - Système de connecteur enfichable, en particulier pour applications extérieures - Google Patents

Système de connecteur enfichable, en particulier pour applications extérieures

Info

Publication number
EP4312320B1
EP4312320B1 EP22187415.9A EP22187415A EP4312320B1 EP 4312320 B1 EP4312320 B1 EP 4312320B1 EP 22187415 A EP22187415 A EP 22187415A EP 4312320 B1 EP4312320 B1 EP 4312320B1
Authority
EP
European Patent Office
Prior art keywords
connector
magnets
receptacle
sockets
spring contact
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
EP22187415.9A
Other languages
German (de)
English (en)
Other versions
EP4312320A1 (fr
EP4312320C0 (fr
Inventor
Mühlethaler Thomas
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.)
Adrenio GmbH
Original Assignee
Adrenio 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 Adrenio GmbH filed Critical Adrenio GmbH
Priority to EP22187415.9A priority Critical patent/EP4312320B1/fr
Publication of EP4312320A1 publication Critical patent/EP4312320A1/fr
Application granted granted Critical
Publication of EP4312320B1 publication Critical patent/EP4312320B1/fr
Publication of EP4312320C0 publication Critical patent/EP4312320C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/6205—Two-part coupling devices held in engagement by a magnet
    • 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
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the invention relates to a connector system comprising a connector and an associated connection partner, which is also a connector.
  • Electric vehicles and other electrical devices used outdoors are often exposed to extreme environmental conditions such as high or low temperatures, UV radiation, vibrations, humidity, and rain. At the same time, such devices often require high operating or charging currents.
  • Connector systems are used, in particular, to connect such devices to external charging portals or charging stations for charging built-in batteries. In addition to the actual charging current, a control or signal current often also needs to be transmitted.
  • WO 2021/042206 A1 discloses a connector system according to the preamble of claim 1.
  • the object of the invention is to provide a connector system of the type mentioned which is easy to manufacture and which functions reliably and durably under extreme environmental influences and weather conditions and at the same time allows the transmission of high drive and charging currents.
  • the advantages achieved by the invention are, in particular, that the advantages of the known and proven spring contact pins are combined with a watertight encapsulation and with a magnetic coupling, which, when the plug elements are correctly aligned, supports their cohesion when plugged together.
  • the encapsulation makes the connector a disposable item. If a defect occurs, the entire connector, including the connecting cable, must be replaced.
  • the magnets are arranged in relation to the corresponding magnets of the connecting partner in such a way that the connector and its connecting partner repel each other if the electrical contacts are incorrectly aligned. This makes incorrect assembly significantly more difficult or even impossible.
  • the spring contact pins and/or sockets are designed to conduct a drive or charging current with a current of more than 10 amperes.
  • several, in particular eight, of the spring contact pins and/or sockets are designed to conduct a control or signal current with a current of less than 1 ampere.
  • the spring contact pins and/or sockets are anchored in a carrier plate and penetrate it.
  • the magnets are neodymium magnets for a high magnetic attraction or repulsion force while requiring little space.
  • the magnets are arranged in a bowl-shaped or ring-shaped space around the spring contact pins and/or sockets.
  • the magnets in the connector are two half-shell-shaped magnets.
  • a suitable material for the casting compound in terms of processability, electrical insulation effect and water resistance is, for example, epoxy resin.
  • the cover plate is permanently locked into the receptacle of the connector housing by means of locking hooks and advantageously has internal support surfaces for the magnets, as well as external guide and alignment elements to form a mechanical anti-twist device between the connector and its connection partner.
  • the mechanical anti-twist device is effective in addition to the magnetic anti-twist device described above.
  • the connection partner partially inserts into the connector.
  • a sealing ring expediently seals a gap between the connector and its connection partner, and the sealing ring is compressed by a contact force caused by the magnets to achieve maximum tightness.
  • the connector can be a panel connector, a plug, a coupling, or a socket. Its counterpart, the connection partner, is a connector of a matching type and is essentially constructed in a similar way.
  • FIG. 1 shows an exploded view of a male panel connector 2 intended for permanent installation in a device housing.
  • Panel connector 2 is a representative example of a connector 1.
  • FIG. 2 shows a perspective view of the panel connector in the assembled state.
  • FIG. 3 shows an exploded view of a corresponding female counterpart or connection partner 44, namely a coupling 4, which is mounted on one cable end.
  • FIG. 4 shows a perspective view of the coupling 4 in the assembled state, as well as a top view of the plug contact field.
  • the built-in plug 2 and the coupling 4 are components of a connector system and, when connected to each other, form an electrical plug connection.
  • FIGS. 3 and 4 Those elements of the connecting partner 44 which are analogous to those of the FIGS. 1 and 2 connector 1 shown are shown in FIGS. 3 and 4 marked with a line.
  • the central component of the connector system is a plurality of spring contact pins 6, also known as pogo pins, and associated sockets or contact partners.
  • the male panel connector 2 (chassis socket) has four so-called power pins 8, namely comparatively large-sized spring contact pins 6, each of which is designed for the flow of an electrical current, in particular a drive or charging current, with a current of, for example, up to 10 amperes at a voltage of 48 volts.
  • the coupling 4 has corresponding sockets for the four spring contact pins 6 mentioned.
  • the coupling 4 also has eight so-called control pins 10, namely somewhat smaller spring contact pins 6, each of which is designed for the flow of a control or signal current with a current of, for example, up to 0.5 amperes at a voltage of 48 volts.
  • the panel plug 2 has corresponding sockets for these eight spring contact pins 6.
  • the plug which is male with regard to the power pins 8
  • the control pins 10 is female with regard to the control pins 10 and vice versa.
  • the panel plug 2 could have spring contact pins 6 for both the power pins 8 and the control pins 10, i.e. be completely male, while the corresponding sockets are all located in the coupling 4 - or vice versa.
  • the built-in plug 2 has FIG. 1 a plug housing 12 (plug basket) intended for installation in a wall or a device housing, with a cylindrical receptacle 14 open at the front, wherein a feedthrough for a connecting cable 16 is formed on the open rear.
  • the multi-core connecting cable 16 has, within a cable sheath 18, four wires 20 intended for connection to the power pins 8 and eight wires 20 intended for connection to the control pins 10. The wire ends led out of the cable sheath 18 and stripped are thus connected, in particular soldered, to the corresponding spring contact pins 6 and/or sockets in the assembled state.
  • the spring contact pins 6 and/or sockets - both the power pins 8 and the control pins 10 - are held or fixed in the desired position relative to one another by a common carrier plate 22 through which they are inserted.
  • the carrier plate 22 sits centrally in the cylindrical receptacle 14.
  • the spring contact pins 6 and/or sockets are guided through precisely fitting recesses in a cover plate 24 which is provided to cover the cylindrical receptacle 14.
  • the built-in plug 2 and the coupling 4 are each designed as magnetic plugs which, when the coupling 4 is inserted into the built-in plug 2, attract each other when properly aligned, i.e. at the correct angle of rotation relative to each other, thus supporting a reliable electrical contact.
  • a strong repulsion occurs which, in conjunction with a mechanical anti-twist device described below, makes incorrect assembly impossible.
  • two half-shell-like magnets 26 are provided within the receptacle 14 in the built-in plug 2. When assembled, these magnets form a shell which is aligned concentrically to the central axis of the plug and surrounds the contact area with the carrier plate 22 and the spring contact pins 6 and/or sockets.
  • the north pole of the upper magnet 26 points forward towards the cover plate 24, while the south pole points at the rear toward the connecting cable 16.
  • the situation is reversed, so that both magnets 26 mutually attract each other within the receptacle 14, thereby stabilizing the shell configuration in which they are located.
  • the magnets 26 are preferably neodymium magnets or comparable permanent magnets.
  • FIGS. 1 and 2 When assembled, the electrical contact elements connected to the wires 20 and the magnets 26 surrounding them sit in the receptacle 14 of the connector housing 12 and are covered at the front by the cover plate 24.
  • the cover plate 24 is provided on the edge with inwardly directed locking hooks 28 which, when inserted into the receptacle 14, engage behind associated locking projections or recesses in the wall of the receptacle 14 and thus permanently lock into place.
  • Internal guide and alignment elements can be used to force a desired angular alignment of the cover plate 24 relative to the receptacle 14.
  • the cover plate 24 also has contours on its inside which serve as support surfaces for the magnets 26 and fix or stabilize them in a desired position.
  • the interior of the receptacle 14, which is delimited at the front by the cover plate 24 and circumferentially by the wall or outer surface of the plug housing 12, is cast by introducing a hardening epoxy resin or another electrically insulating and liquid-sealing casting compound 42.
  • the casting compound is through the open rear end of the connector housing 12, whereby the cover plate 24, which lies sufficiently close to the housing wall, prevents the casting compound from running out at the front end.
  • the connector housing 12 together with the components located in the receptacle 14 - in particular the carrier plate 22, spring contact pins 6 and/or sockets, wires 20 and magnets 26 - forms a compact unit in which the components are secured against slipping and, at the same time, protected against the ingress of water and other environmental influences.
  • the unit thus formed, in which the pogo pins and the connecting wires are hermetically sealed, is exemplified in FIG. 5 shown.
  • guide and alignment elements 30 in the form of projections or recesses, webs, cams, or the like, which, in interaction with complementarily shaped guide and alignment elements on the outside of a similarly constructed cover plate of the coupling 4, force the correct insertion of the coupling 4 into the built-in plug 2. In other words, this creates mechanical anti-twist protection in addition to the magnetic anti-twist protection.
  • the cover plate 24 sits countersunk at a defined depth in the receptacle 14 of the connector housing 2.
  • a circumferential projection in the wall of the receptacle 14 forms a stop for the desired seating of the cover plate 24.
  • the outer wall section of the receptacle 14 in the connector housing 12 forms a frame 32 for the front insertion section 34 of the coupling 4.
  • FIG. 3 in exploded view and in FIG. 4
  • the coupling 4 shown in the assembled state as an example of a connection partner 44 for the connector 1 is fundamentally constructed analogously to the built-in plug 2.
  • the plug housing 12' which accommodates and holds the electrical connections, spring contact pins 6' and/or sockets as well as the magnets 26', is provided with a cover plate 24' at the front and is cast with epoxy resin or the like.
  • the essential differences to the built-in plug 2 are that the coupling 4 is mounted on a free cable end and is not intended for installation into a surrounding housing or the like.
  • an insertion section 34 for insertion into the plug housing 12 of the built-in plug 2 is formed at the front end of the plug housing 12' of the coupling 4.
  • a rearwardly offset circumferential radial projection 36 or annular web delimits the insertion section 34, onto which a sealing ring 38 or O-ring is pushed.
  • a conical anti-kink sleeve 46 which encompasses the connecting cable 16' and is screwed onto the plug housing 12' from behind, has the function of preventing the connecting cable 16' from breaking when exiting the plug housing 12' in the event of large bending radii.
  • the plug-in section 34 of the coupling 4 is inserted into the precisely fitting frame 32 of the plug housing 12 of the built-in plug 2, forming the desired contact between the spring contact pins 6, 6' and their mating contacts.
  • the magnetic and mechanical anti-twist devices force the plug to be inserted in the correct position.
  • the magnets 26, 26' also ensure that the plug connection is held securely together under the designed operational load by attracting the two connecting partners.
  • the sealing ring 38 located between the circumferential projection 36 of the coupling 4 and the front (mounting) flange 40 of the built-in plug 2 is compressed by the magnetic contact pressure in such a way that a strong sealing effect against the ingress of liquid or moisture is achieved.
  • the male part can be a plug that belongs to a free cable end
  • the female part can be a socket that is intended for permanent installation in a device housing. Examples of corresponding variants are shown in FIGS. 6 to 8 shown.
  • the described plug combinations can be used especially for electric golf trolleys (electric golf trolleys).
  • the weather conditions in this application area are challenging, ie you have Outdoor temperatures between 0°C and 45°C, direct UV light exposure, vibrations, and humidity (fog, rain, heavy rain, etc.). Tests have shown that the described plug combinations easily meet these requirements.
  • the plug combination can also be used with various other electrical outdoor devices, such as garden tools, lawn mowers, pumps, motors, and the like. It is also suitable for use with electric bicycles, electric scooters, and similar vehicles.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (7)

  1. Système de connecteurs, pourvu d'un connecteur enfichable (1) et d'un partenaire de connexion (44) correspondant, qui est également un connecteur enfichable,
    • le connecteur enfichable (1) comportant un boîtier de prise (12) entourant un logement (14),
    • le logement (14) étant fermé par une plaque de couverture (24),
    • dans le logement (14) étant ancrées plusieurs pointes de touche (6) à ressort et / ou douilles traversant la plaque de couverture (24), pour la création de contact électriques,
    • dans le logement (14) étant placé un nombre d'aimants (26), qui entourent les pointes de touche (6) à ressort et / ou les douilles,
    • les aimants (26) étant placés en relation avec des aimants (26') associés du partenaire de connexion (44), de telle sorte que le connecteur enfichable (1) et son partenaire de connexion (44) s'attirent si les contacts électriques sont réalisés correctement,
    • les aimants (26) dans le connecteur enfichable (1) étant deux aimants en forme de demi-coques, qui entourent sous forme annulaire ou à la manière de coques les pointes de touche (6) à ressort et / ou les douilles,
    pour conduire un courant d'entrainement et / ou de charge, plusieurs, notamment quatre des pointes de touche (6) à ressort et / ou des douilles étant conçues avec une intensité de courant de plus de 10 ampères, par ailleurs pour conduire un courant de commande et / ou de signalisation plusieurs, notamment huit des pointes de touche (6) à ressort et / ou des douilles étant conçues avec une intensité de courant de moins de 1 ampère,
    caractérisé en ce que
    • dans l'espace restant dans le logement (14) est coulée une masse de coulée (42) isolante électrique et agissant en tant que barrière contre l'humidité,
    • en position assemblée, une bague d'étanchéité (38) comprimée au moyen d'une pression de contact provoquée par les aimants (26) assure l'étanchéité d'une fente entre le connecteur enfichable (1) et son partenaire de connexion (44),
    • la plaque de couverture (24) est encliquetée de manière inamovible dans le logement (14) au moyen de crochets d'encliquetage (28) et
    • les aimants (26) sont des aimants au néodyme.
  2. Système de connecteur selon la revendication 1, lors d'une association erronée des contacts électriques, le connecteur enfichable (1) et son partenaire de connexion (44) se repoussant.
  3. Système de connecteur selon l'une quelconque des revendications précédentes, les pointes de touche (6) à ressort et / ou les douilles étant ancrées dans une plaque porteuse (22) et traversant celle-ci.
  4. Système de connecteur selon l'une quelconque des revendications précédentes, la masse de coulée (42) étant une résine époxy.
  5. Système de connecteur selon l'une quelconque des revendications précédentes, la plaque de couverture (24) comportant sur l'extérieur des éléments de guidage et d'alignement (30), destinés à créer une sécurité anti-rotation mécanique entre le connecteur enfichable (1) et son partenaire de connexion (44).
  6. Système de connecteur selon l'une quelconque des revendications précédentes, la plaque de couverture (24) comportant à l'intérieur des surfaces d'appui pour les aimants (26).
  7. Système de connecteur selon l'une quelconque des revendications précédentes, en position assemblée, le partenaire de connexion (44) plongeant partiellement dans le connecteur enfichable (1).
EP22187415.9A 2022-07-28 2022-07-28 Système de connecteur enfichable, en particulier pour applications extérieures Active EP4312320B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22187415.9A EP4312320B1 (fr) 2022-07-28 2022-07-28 Système de connecteur enfichable, en particulier pour applications extérieures

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22187415.9A EP4312320B1 (fr) 2022-07-28 2022-07-28 Système de connecteur enfichable, en particulier pour applications extérieures

Publications (3)

Publication Number Publication Date
EP4312320A1 EP4312320A1 (fr) 2024-01-31
EP4312320B1 true EP4312320B1 (fr) 2025-09-10
EP4312320C0 EP4312320C0 (fr) 2025-09-10

Family

ID=82781039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22187415.9A Active EP4312320B1 (fr) 2022-07-28 2022-07-28 Système de connecteur enfichable, en particulier pour applications extérieures

Country Status (1)

Country Link
EP (1) EP4312320B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120262087B (zh) * 2025-06-05 2025-09-02 深圳市爱默斯科技有限公司 一种防水pin针连接器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4072381A (en) * 1975-04-17 1978-02-07 Air-Tex Wire Harness, Inc. Tractor-trailer electrical connector system
DE102011056798B4 (de) * 2011-12-21 2013-07-25 Phoenix Contact Gmbh & Co. Kg Geschirmter Steckverbinder und Verfahren zur Herstellung eines geschirmten Steckverbinders
US12095202B2 (en) * 2019-09-05 2024-09-17 Exceltec Canada Inc. Magnetic connector

Also Published As

Publication number Publication date
EP4312320A1 (fr) 2024-01-31
EP4312320C0 (fr) 2025-09-10

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