EP3427343A1 - Connecteur haute tension - Google Patents

Connecteur haute tension

Info

Publication number
EP3427343A1
EP3427343A1 EP17719157.4A EP17719157A EP3427343A1 EP 3427343 A1 EP3427343 A1 EP 3427343A1 EP 17719157 A EP17719157 A EP 17719157A EP 3427343 A1 EP3427343 A1 EP 3427343A1
Authority
EP
European Patent Office
Prior art keywords
connector
contact
contact element
voltage
protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17719157.4A
Other languages
German (de)
English (en)
Other versions
EP3427343B1 (fr
Inventor
Willem Blakborn
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.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik GmbH and Co KG
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 Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Publication of EP3427343A1 publication Critical patent/EP3427343A1/fr
Application granted granted Critical
Publication of EP3427343B1 publication Critical patent/EP3427343B1/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
    • H01R13/02—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
    • 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
    • H01R13/44—Means for preventing access to live contacts
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • 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
    • H01R13/621—Bolt, set screw or screw clamp
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/707—Structural association with built-in electrical component with built-in switch interlocked with contact members or counterpart
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • 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 present invention relates to a high-voltage connector for the detachable electrical connection of high-voltage components, in particular of an electric drive system of a motor vehicle. Furthermore, the invention relates to a high-voltage connector with a high-voltage connector according to the invention.
  • High-voltage components are understood in particular to mean the devices and units of an electric drive system of a motor vehicle (hybrid drive, hybrid, electric or fuel cell vehicle).
  • High-voltage voltages are understood to mean voltages of at least 60 V DC or 30 V AC.
  • VDE German Association of Electrical Engineering
  • VDE 0470 European standards, such as IEC / EN 61032 prescribed that the contact elements on
  • test finger Protection against contact by a human finger must be protected.
  • a so-called test finger is provided which is intended to simulate a human fingertip with a prescribed test force against sections or openings of the plug element, via which the contact elements are accessible without being in contact with current-carrying sections of the contact elements may come.
  • a plurality of plug elements are known in which a contact of the contact elements is to be prevented in various ways.
  • the contact elements themselves can be provided with contact protection bodies or be concealed by means of movable contact protection devices in an open state of the plug connectors in such a way that they correspond to the corresponding standards or regulations for the contactor contactor.
  • the movable contact devices are retracted so that the contact elements of counter contact elements can be contacted.
  • a connector for high voltage applications with a housing is known, are formed on the electrically insulating walls, which extend beyond the top and side edges of the housing held flat pin so far that a human finger the edges of the
  • Walls should be able to touch without touching contact with the flat pin.
  • the contact arrangement comprises at least one annular contact element; a first inner protection member disposed within the contact member and protruding from the contact member; and a first outer protective element, which surrounds the contact element at least partially and protrudes with respect to the contact element, wherein the first inner protective element and the first outer protective element form a contact protection for the contact element.
  • High-voltage connector for the electrical connection of high-voltage components, in particular an electric drive system of a motor vehicle, with a first connector and a second connector, wherein the high-voltage connector has a contact arrangement and a counter contact arrangement corresponding to the contact arrangement, wherein the contact arrangement or the mating contact arrangement a contact element or a counter contact element corresponding to the contact element; a first or a second inner
  • Protective element which is arranged within the contact element or the mating contact element and protrudes with respect to the contact element or the mating contact element; and a first and a second outer protective element, which at least partially surrounds the contact element or the mating contact element and projects with respect to the contact element or the mating contact element, wherein the first and the second inner protection element and the first and the second outer protection element the first and second connectors are hideable together.
  • the underlying realization of the present invention is to form the contact element annular and thus to increase the surface of the contact element and at the same time not to exceed a maximum distance between the contact element and the protective element, such that a test finger can not touch the contact element.
  • the contact element has a relative to a longitudinal axis of the high volt connector obliquely formed contact surface. By tilting or bending the contact surface, its surface can be further increased without increasing the distance between the contact protection and the contact element.
  • the surface of the contact element can be provided with a suitable profile, such that the contact element and a connected mating contact element of a second connector deform favorably under the influence of temperature.
  • the longitudinal axis in an extended connector extends in the direction of the connectors to be displayed.
  • an angle connector on two longitudinal axes which include a 90 ° angle as a rule.
  • the contact element is designed as a round or ball contact or as a cone or conical contact.
  • the term round contact includes, in particular, round-like shapes such as elliptical shapes or parabolic shapes.
  • the connector is threaded to bolt the connector to another connector to be connected.
  • a screw connection is particularly robust and durable and particularly advantageous if the plug connection finally opened or closed by trained personnel for maintenance or assembly purposes.
  • the thread is formed outside a sealed region of the connector.
  • the thread is formed outside a sealed region of the connector.
  • a connector according to the invention comprises a spring, in particular a spiral spring or a leaf spring.
  • the spring is set up to act on the contact arrangement with a biasing force in the direction of a mating contact arrangement to be contacted of a second connector. This ensures that a contact force acts on the contact element and / or the counter contact element in the plugged state of the connector according to the invention.
  • the contact pressure further favors the temperature-dependent surface deformation of the contact element or of the mating contact element 202.
  • the connector according to the invention has an HV monitoring circuit, which is arranged to disconnect the contact arrangement from a voltage source before disconnecting the contact arrangement with a counter contact arrangement of a second connector corresponding to the contact arrangement.
  • HV monitoring circuits are also referred to in professional circles as a high-voltage interlock loop system (HVIL).
  • HVIL high-voltage interlock loop system
  • the contact protection on ceramic and / or plastic in particular polyamide and / or polybutylene terephthalate.
  • the first inner protective element is formed in two parts.
  • the protective element has an upper contact protection cap and a lower pin.
  • the first inner protective element can be built particularly advantageous in terms of its material properties. For example, it is possible to choose a material with a low thermal expansion giving the material a particularly stable stability, whereas a particularly insulating material can be used for the contact protection cap.
  • the contact element on aluminum and / or copper have particularly favorable electrical properties. Furthermore, aluminum and copper ensure particularly positive deformation properties of a contact element or mating contact element 202 under the influence of temperature.
  • the outer protective element has a partial circumferential protective wall.
  • a comprehensive protective wall interrupted so that it is partially formed. Decisive here is that the interruption does not exceed a maximum distance between the contact protection, so that a test finger can still not touch the contact element.
  • this embodiment is particularly advantageous for angle connector, in which an angle connection can be made particularly simple.
  • Protective wall at least one protective pin or at least a receptacle for a protective pin.
  • a first or second connector can be kept particularly simple in a second or first connector of an angle connector.
  • the connector is designed as a multipolar, in particular as a two-pin connector.
  • Fig. 1 shows a sectional view of an embodiment of an HV connector according to the invention
  • Fig. 2 shows a perspective view of an embodiment of a connector according to the invention
  • Fig. 3 shows a perspective view of an embodiment of a connector according to the invention
  • Fig. 4 shows a plan view of an embodiment of a connector according to the invention
  • FIG. 1 shows an inventive HV plug-in connection with a first connector, which is designed as an aggregate connection, and with a second connector, which is designed as a cable connection.
  • the name of the elements of the first connector or the counter-elements of the second connector can be reversed.
  • the first connector 100 has two contact arrangements or two contact poles each with a contact element 102, in each case a first inner protection element 104 and in each case a first outer protection element 108.
  • the second connector 200 has two mating contact arrangements corresponding to the contact arrangement.
  • the mating contact arrangement each comprises a mating contact element 202 as well as a respective second outer protective element 217 and a second inner protective element 216.
  • the contact elements 102 and the mating contact elements 202 are formed as end contacts.
  • Forehead contact means that an electrical contact between two end faces is made.
  • the contact arrangement of the first connector 100 has an insulating part 103 with a contact arrangement with an annular contact element 102.
  • the contact element 102 has curved contact surfaces and is designed as a round contact.
  • the contact surface of the contact element 102 is further chamfered, whereby the contact surface is increased with the same space. Increasing the contact surface reduces the transmitted current density per unit area on the contact surface. Consequently, the heating of the contact element 102 during power transmission is less.
  • the first inner protective element 104 is formed within the annular contact element 102 of the first connector 100.
  • the first inner protection element 104 has a pin 107 on which the cap 106 is formed.
  • the pin 107 may for example be made of a conductive material, in particular metal, whereas the cap 106 is made of non-conductive material.
  • the first outer protective element 108 is formed outside the annular contact element 102, bordering the annular contact element.
  • the first inner protective element 104 and the first outer protective element 108 are arranged concentrically to one another and together form a contact protection for the contact element 102.
  • the distance between the inner and the outer protective element 104, 108 must not exceed a maximum distance, so that a test finger or a finger of a user can not touch the contact surface of the contact element 102.
  • the maximum distance between the outer protective element 108 and the inner protective element 104 depends on the height of the projection of the outer protective element 108 and the inner protective element 104 relative to the contact element 102.
  • the annular contact element 102 is contacted with a mating contact element.
  • the mating contact element 202 has contact surfaces corresponding to the contact element 102. Accordingly, the contact surfaces of the mating contact element 202 are also rounded, bent and quenched.
  • the first inner protective element 216 has a second inner cylindrical protective element 216 which is arranged corresponding to the first inner protective element 104 of the first connector 100 in such a way that the second cylindrical inner protective element 216 of the second connector 200 is in the inserted state Protective element 104 of the first connector 100 receives in it.
  • the second inner protective element 216 is surrounded by the mating contact element 202.
  • a second outer protective element 217 is arranged, which partially surrounds the mating contact element 202.
  • the second outer protective element 217 of the second connector 200 is formed corresponding to the first outer protective element 108 of the first connector such that the second outer protective element 217 partially surrounds the first outer protective element 108.
  • the second outer protection element 217, the first outer protection element 108, the mating contact element 202, the contact element 102, the second inner protection element 216 and the first inner protection element 104 are arranged concentrically with each other.
  • the second connector 200 has a spring 208, which is designed as a compression spring on.
  • the spring 208 is in an annular recess of a flange 206 is inserted and is connected via this with the insulating part 204 of the second connector 200.
  • the spring 208 exerts a pressure force on the flange 206 in the direction of the first connector 100, so that the mating contact element 202 is pressed against the contact element 102.
  • the second connector 200 has a guide 213 and a stop 212 for the flange 206 so that the flange 206 is guided linearly in the second connector 200 along a longitudinal axis L and from the stop 212 against slipping out of the guide 212 is secured.
  • FIG. 2 shows a first connector 100 according to FIG. 1 in a perspective view. It can be seen in FIG. 2 that the first outer protective element 108 is only partially formed.
  • the first outer protective element 108 is designed as a partially circumferential wall with two protective pins 118 between ends of the partially circumferential wall. In angular connectors, the partially circumferential wall of the first outer protective element 108 ensures a particularly compact and simple design.
  • the insulating part 103 is screwed to the housing 110 of the first connector 100 via three screws 116. Between the contact arrangements of the first connector 100, a guide 120 is formed, which is adapted to guide the first connector 100 and the second connector 200 during a plug movement.
  • the guide 120 of the first connector 100 is designed to correspond to a guide 222 of the second connector 200.
  • an HVIL contact chamber 122 is formed inside the guide 120 of the first connector 100.
  • FIG. 2 shows that the housing 110 of the first connector 100 has an approximately elliptical wall.
  • the elliptical wall may optionally be provided with a sealant (not shown).
  • the inner region of the approximately elliptical wall will be referred to below as sealing region.
  • a base 114 is formed outside the sealing area.
  • the socket 114 has a threaded bore at which the first connector 100 can be bolted to a corresponding second connector 200.
  • FIG. 3 shows the screw 230 which screws the first connector to the second connector via the socket 114.
  • a cable connection is indicated schematically in FIG.
  • FIG. 4 also shows a secondary fuse 220 which secures cable assemblies, for example cable contacts and / or insulating parts in the housing, against accidental pulling out.
  • a corresponding to the screw 230 bore with a thread is indicated schematically.
  • the second connector 200 also has a partially circumferential second outer protection element 217.
  • the second partial outer protective member 217 is supported by two seats 218 adapted to receive the guard pins 118 of a first connector.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne un connecteur (100; 200) destiné à une connexion par insertion à haute tension (10) permettant la connexion électrique de composants haute tension, en particulier d'un système d'entraînement électrique d'un véhicule automobile. Ledit connecteur comprend au moins un agencement de contacts électriques comportant : - au moins un élément de contact de forme annulaire (102) ; - un premier élément interne de protection (104) qui est disposé à l'intérieur de l'élément de contact et est en saillie par rapport à l'élément de contact (102) ; et - un premier élément externe de protection (108) qui entoure au moins en partie l'élément de contact (102) et est en saillie par rapport à l'élément de contact (102). Le premier élément interne de contact (104) et le premier élément externe de protection (108) forment une protection contre des contacts accidentels pour l'élément de contact (102).
EP17719157.4A 2016-05-04 2017-04-21 Connecteur haute tension Active EP3427343B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016005508.1A DE102016005508A1 (de) 2016-05-04 2016-05-04 Hochvoltverbinder
PCT/EP2017/000514 WO2017190828A1 (fr) 2016-05-04 2017-04-21 Connecteur haute tension

Publications (2)

Publication Number Publication Date
EP3427343A1 true EP3427343A1 (fr) 2019-01-16
EP3427343B1 EP3427343B1 (fr) 2021-11-10

Family

ID=58632329

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17719157.4A Active EP3427343B1 (fr) 2016-05-04 2017-04-21 Connecteur haute tension

Country Status (7)

Country Link
US (1) US10608364B2 (fr)
EP (1) EP3427343B1 (fr)
JP (1) JP2019515454A (fr)
KR (1) KR20190002505A (fr)
CN (2) CN109075487B (fr)
DE (1) DE102016005508A1 (fr)
WO (1) WO2017190828A1 (fr)

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CN204407559U (zh) * 2015-02-06 2015-06-17 公牛集团有限公司 旋转插头
JP7124482B2 (ja) * 2018-06-26 2022-08-24 株式会社デンソー 内燃機関用の点火コイル

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CN109075487B (zh) 2021-09-17
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WO2017190828A1 (fr) 2017-11-09
EP3427343B1 (fr) 2021-11-10
KR20190002505A (ko) 2019-01-08
CN113839244B (zh) 2024-04-02
US10608364B2 (en) 2020-03-31
JP2019515454A (ja) 2019-06-06
DE102016005508A1 (de) 2017-11-09
CN113839244A (zh) 2021-12-24

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