EP2156524B1 - Disjoncteur de puissance pour véhicule à moteur - Google Patents

Disjoncteur de puissance pour véhicule à moteur Download PDF

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Publication number
EP2156524B1
EP2156524B1 EP08759751.4A EP08759751A EP2156524B1 EP 2156524 B1 EP2156524 B1 EP 2156524B1 EP 08759751 A EP08759751 A EP 08759751A EP 2156524 B1 EP2156524 B1 EP 2156524B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
housing
fuse
automatic circuit
cover
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.)
Not-in-force
Application number
EP08759751.4A
Other languages
German (de)
English (en)
Other versions
EP2156524A2 (fr
Inventor
Konstantinos Titokis
Volker Thurau
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.)
Kostal Kontakt Systeme GmbH
Original Assignee
Kostal Kontakt Systeme 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 Kostal Kontakt Systeme GmbH filed Critical Kostal Kontakt Systeme GmbH
Publication of EP2156524A2 publication Critical patent/EP2156524A2/fr
Application granted granted Critical
Publication of EP2156524B1 publication Critical patent/EP2156524B1/fr
Not-in-force 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
    • 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
    • H01R13/68—Structural association with built-in electrical component with built-in fuse
    • 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
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933—Comprising exclusively pivoting lever
    • H01R13/62944—Pivoting lever comprising gear teeth
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6598—Shield material
    • H01R13/6599—Dielectric material made conductive, e.g. plastic material coated with metal
    • 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
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • H01R13/7032—Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity making use of a separate bridging element directly cooperating with the terminals

Definitions

  • the present invention relates to a power circuit breaker for a motor vehicle, comprising a connector housing having electrically interconnected plug contact elements, and having a receptacle housing having receptacle contacts, and a housing connected to the receptacle housing, wherein via an actuating lever, the plug contact elements with the receptacle contacts connectable and separable wherein the connector housing includes a fuse chamber receiving a fuse insertable into the power circuit, the fuse chamber having an opening through which the fuse is insertable into the fuse chamber or removable from the fuse chamber, and the aperture is closable by a positionable lid.
  • Such a power circuit breaker is out of DE 10 2004 054 360 known.
  • the power disconnect switch described below is primarily intended for use in electric motor vehicles and in so-called hybrid vehicles, which in addition to an internal combustion engine also have an electric drive. In particular, for maintenance purposes, it is sometimes necessary to interrupt the electrical supply. Since not only high currents but also relatively high voltages occur in such vehicles, it is necessary to perform the power disconnect switch used for this purpose in a manner safe for the touch.
  • the usual maintenance work on electrical systems also includes the replacement of a defective fuse. Since the circuit is expediently interrupted by means of the circuit breaker for a fuse replacement, it is advantageous if the fuse is arranged in the region of the power circuit breaker. It is particularly advantageous if the electrical fuse is a component of the circuit breaker.
  • the lid consists of two displaceable transversely to the direction of the plug cover parts that block access to the fuse in the closed state and have on their underside webs that the webs in the closed state of the cover parts as a guide on the inside of the Serve Umgetudes during the assembly process and that the webs collide in a position of the lid parts in the open position with the surrounding housing, and that the dimensioning of the webs is designed so that in the collision of the webs with the surrounding housing, the translational movement of the assembly process is interrupted early so that the plug contact elements are not electrically connected to the socket contacts when the lid is open.
  • the open lid mechanically limits the movement of the connector housing in the direction of the socket housing, so that the plug contact elements and the socket contacts do not come into mechanical contact with each other and thus also produce no electrical connection to each other. Since the connection of the connector housing and the receptacle housing is mediated by an actuating lever, this can be achieved in particular by blocking the lever travel.
  • Decisive here is the respective position of a positionable lid, which may be formed, for example, by two cover parts arranged displaceably on the connector housing.
  • the lid or the lid parts (the terms are used in the following without restriction of generality) can take at least two positions, wherein in one position the lid Closes the fuse chamber and thus prevents access to the fuse or to the fuse contacting the fuse contacts. In a second position, the cover releases the access to the securing chamber and at the same time prevents a mechanical and electrical connection of plug-in contact elements and receptacle contacts with each other.
  • the circuit breaker realizes safety functions in connection with service work on the motor vehicle and enables the shutdown of the battery potential.
  • Such power disconnectors are preferably used in electric vehicles and hybrid vehicles, in which high current and often high voltage values are to be switched to safe contact.
  • the FIG. 1 shows a circuit breaker before connecting the switch components in a partially sectioned view.
  • the circuit breaker consists of a connector housing (1), a surrounding housing (2) and a receptacle housing (3).
  • the receptacle housing (3) has, not shown in detail, power terminals (16), via the electrical connection lines with the circuit breaker can be connected.
  • the power terminals (16) can for this purpose preferably within the receptacle housing (3) arranged plug, screw or crimp.
  • the connector housing (1) By attaching the connector housing (1) to the receptacle housing (3), the power terminals (16) can be electrically connected to each other.
  • the connector housing (1) has internally two electrical plug-in contact elements, which may be formed as designed for high current levels flat plug.
  • Housing body (24) can be seen, which surround the plug contact elements.
  • the housing body (24) are integrally formed on a base plate (15) having on its opposite surface a molded receiving chamber (27) for an electrical fuse (22).
  • the fuse (22) inserted in the receiving chamber (27) establishes an electrically conductive connection between the plug contact elements of the connector housing (1).
  • socket-like receptacle contacts are introduced into which the plug-in contact elements of the connector housing (1) can be inserted.
  • the socket contacts are in electrically conductive connection with the power terminals (16).
  • a peripheral housing (2) is connected to the receptacle housing (3), which may be added or molded.
  • the outer housing (2) is designed as a metal or metallized housing part, which essentially forms the lateral surface of the power circuit breaker and effectively shields outgoing electromagnetic interference from the power circuit breaker.
  • a lever mechanism for connecting the connector housing (1) with the receptacle housing (3).
  • This consists of a bow-shaped actuating lever (4) which is rotatably mounted at two locations on the connector housing (1).
  • the actuating lever (4) forms in the areas of the bearings in each case an integrally molded gear (5).
  • the gear (5) can be engaged by attaching the connector housing (1) to the receptacle housing (3) with a rack (13) molded to the receptacle housing (3) and extending toward the connector housing.
  • the gear (5) is rotated by about a quarter turn clockwise, and thereby moves together with the entire connector housing translationally in the direction of the receptacle housing. Is the operating lever (4) completely folded, as in the FIG. 3 represented, so that also reaches the connector housing (1) its end position relative to the receptacle housing (3), in which the plug contact elements of the connector housing (1) are fully in engagement with the receptacle contacts and thus in electrically conductive connection.
  • FIG. 4 shows a portion of the actuating lever (4), which is in its initial position.
  • the gear (5) is located in front of the upper edge of the rack (13) with which the gear (5) by a movement of the actuating lever (4) is to be engaged.
  • a drive edge (12) recognizable, which is integrally formed on an inner side of the Umgephaseuses (2). If the connector housing (1) is now displaced in the direction of the surrounding housing (2), the driving edge (12) widening downwardly presses against the longitudinal side of the blocking lever (10) and thus pushes the end section of the blocking lever blocking the gearwheel (5) (10) out of the plane of rotation of the gear (5) out. The blocking of the gear (5) and thus at the same time the blocking of the actuating lever (4) is thus canceled.
  • the actuating lever (4) can now be folded, wherein the gear (5) with the rack (13) of the receptacle housing (3) engages and so the connector housing (1) in the direction of the receptacle housing (3) shifts until the plug contact elements connected to the socket contacts.
  • FIG. 5 shows a further view of the actuating lever (10) in its initial position - recognizable by the output direction of the gear (5) integrally formed actuating lever (4) - in which the actuating lever (4) by the in a tooth space (6) engaging blocking lever (10) blocked is.
  • FIG. 6 is the operating lever (4) and the gear (5), after the folding of the operating lever (4), shown in its final position.
  • the output direction of the actuating lever (4) is in this case rotated relative to the starting position by about 90 ° clockwise.
  • the end portion of the blocking lever (10) is in turn engaged in a tooth gap (7). This is possible because in this end position of the connector housing (1) of the blocking lever (10) already on the Anberichtkante (12) of the outer housing (2) (see FIG. 4 ) moved back and accordingly spring back to its original position.
  • a flat connecting web (8) is integrally formed on the rear side of the toothed wheel (5), the tooth spaces (6, 7) for the blocking lever (10) only from one side makes the gear (5) accessible.
  • the connecting web (8) is only for exactly two tooth gaps (6, 7), according to the initial and the final position of the actuating lever (4), interrupted. Furthermore, an increase of the axial and radial resistance torque and thus an increased torsional stiffness of the gear (5) is additionally achieved by the connecting web (8). Since the drive edge (12) presses the blocking lever (10) behind the connecting web (8) of the gear (5), can be seen in the FIG. 4 Thus, the blocking lever (10) can not spring back to its original position before it reaches the free tooth gap (7) for the end position of the actuating lever (4).
  • the blocking of the actuating lever in its end position is advantageous, as a result of accidental or automatic opening of the circuit breaker by mechanical effects, such as vibrations of the vehicle body, is effectively prevented.
  • an unlocking pin (25) may be provided, which in the FIG. 7 outlined.
  • the unlocking pin (25) extends through an unlocking opening (26) in the wall of the surrounding housing (2) and is either mounted on the surrounding housing (2) or formed on the blocking lever (10).
  • the power circuit breaker also has on the connector housing (1) and on the receptacle housing (3) connectable plug-in contact elements, which are designed for small electrical power and are collectively referred to as signal connector (17).
  • the Housing contours of the signal connector (17) are in the Figures 1 and 2 shown.
  • the signal connector (17) closes in interconnected connector housing (1) and receptacle housing (3) an electrical signal circuit, which signals the connection state of the circuit breaker.
  • This signal can be provided to control an electronic or electromechanical relay, not shown here, which is switched on in the power circuit of the circuit breaker, so that the circuit breaker can connect and disconnect the power contacts without current and voltage.
  • the fuse (22) in a securing chamber (27) is arranged, which is closed by a lid.
  • the lid can be made in one piece or, as in the illustrated embodiment, also in several parts.
  • the cover consists of two cover parts (18, 19) which can be displaced along the access opening (28) of the securing chamber (27).
  • the cover parts (18, 19) are inseparably attached to the connector housing (1) and guided like a drawer on an edge portion of the connector housing (1).
  • the guide may advantageously have latching elements, not shown in the drawing, so that at least the complete open and fully closed lid position can be seen haptically by latching the lid parts (18, 19).
  • cover parts (18, 19) are in the position closing the securing chamber (27), they enclose the stirrups of the actuating lever (4), which are movable in slot-shaped openings (31) in the cover parts (18, 19).
  • One of the cover parts (18) has a recess (20), whose shape is adapted to the configuration of an Anformung (23) on the bracket of the actuating lever (4).
  • the Anformung (23) can be sunk in the recess (20); However, this is only possible if the cover part (18) is in a position in which it at least largely closes the securing chamber (27), otherwise the Anformung (23) of the actuating lever (4) on the surface of the cover part (18 ) meets.
  • the second cover part (19) must be brought to connect the housing parts (1, 3) in the closed position, as otherwise integrally formed on the cover part (19) web (29) of the connector housing (1), as shown in FIG. 9 seen during the insertion movement, on an edge of the outer housing (2) meets.
  • the second cover part (19) is in the position closing the securing chamber, then the web (29) is received by the surrounding housing (2), recognizable in FIG FIG. 10 , and the connector housing (1) can be connected to the receptacle housing (3).
  • FIG. 10 further shows that in interconnected housing parts, the securing chamber can not be opened by a lateral displacement of the cover part (19), since the web (29) now is blocked by the inner wall of the Umgeophuses (2). As the FIG. 2 shows, a same-acting web is also formed on the first cover part (18).
  • the Anformung the actuating lever (4) in the recess (20) of the cover member 18 is recessed. This is in the FIG. 3 shown. However, the cover part 18 is also fixed in its position so that the cover part 18 is not displaceable as long as the actuating lever (4) is folded over.
  • the operation of the circuit breaker will be briefly summarized below.
  • the installation of the circuit breaker takes place in two steps.
  • the movable part of the circuit breaker is moved translationally in the plugging direction.
  • the power circuit is closed.
  • the process is limited after the locked operating lever (4) touches the rack (13) of the fixed part of the circuit breaker.
  • the subsequent rotation movement additionally closes the signal circuit.
  • the final assembly of the circuit breaker is completed by the subsequent rotation of the operating lever (4). It comes to meshing of the gear (5) on the actuating lever (4) with the rack (13) of the receptacle housing (3). After completion of the rotation of the blocking lever (10) pivots back to its original position. Thus, the blocking lever (10) is mechanically stressed only during the assembly process.
  • the cover parts (18, 19) When closed, the cover parts (18, 19) obstruct access to the fuse (22).
  • the individual cover parts (18, 19) have on their underside webs (29), which serve as Kodierabmut.
  • the webs (29) serve in the closed state of the cover parts (18, 19) as a guide on the inside of the outer housing (2) during the assembly process. In a position of the cover parts in the open position, however, the webs (29) collide with the surrounding housing (2). Their dimensioning is designed so that in the collision with the surrounding housing (2), the translational movement of the assembly process is interrupted early.
  • the assembly process of the circuit breaker can be completed only if the cover parts (18, 19) properly obstruct access to the fuse (22), d. H. are in the closed state.
  • An additional fixing of the cover parts (18, 19) is achieved by the engagement of the Anformung (23) in the recess (20) of the first cover part (18).
  • a fuse replacement therefore requires a disassembly of the circuit breaker and thus an interruption of the electrical connections.

Landscapes

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

Claims (9)

  1. Disjoncteur de puissance pour un véhicule automobile,
    avec un boîtier de connexion (1) qui comprend des éléments de contact enfichables reliés ensemble électriquement
    et avec un boîtier à connecteurs femelles (3) qui comprend des contacts femelles
    et une enceinte (2) qui est reliée au boîtier à connecteurs femelles,
    sachant que la connexion entre les éléments de contact mâles et les éléments de contact femelles peut être établie et interrompue par l'intermédiaire d'un levier d'actionnement (4),
    sachant que le boîtier de connexion (1) présente une chambre de sécurité (27) dans laquelle est logé un coupe-circuit (22) qui peut être inséré dans le circuit de puissance,
    la chambre de sécurité (27) présentant une ouverture (28) par laquelle le coupe-circuit (22) peut être inséré dans la chambre de sécurité (27) ou retiré de ladite chambre de sécurité (27), et
    sachant que l'ouverture (28) peut être fermée par un couvercle positionnable, caractérisé en ce que
    le couvercle consiste en deux parties de couvercle (18, 19) qui, pouvant être déplacées transversalement par rapport à la direction d'enfichage, empêchent, à l'état de fermeture, l'accès au coupe-circuit (22) et sont pourvues de pattes (29) sur leur face inférieure,
    que les pattes (29) servent de guidage sur la face intérieure du l'enceinte (2) lors du processus de montage, quand les parties de couvercle (18, 19) sont à l'état fermé, et que lesdites pattes (29) entrent en collision avec l'enceinte (2) quand les parties de couvercle sont en position d'ouverture,
    et que le dimensionnement des pattes (29) est tel que, lors de l'entrée en collision des pattes (29) avec l'enceinte (2), le mouvement de translation du processus de montage est interrompu prématurément, de telle manière que les éléments de contact mâles ne puissent pas être connectés avec les éléments de contact femelles quand le couvercle (18, 19) est ouvert.
  2. Disjoncteur de puissance selon la revendication 1, caractérisé en ce que les parties de couvercle (18, 19) sont reliées au boîtier de connexion (1) de manière imperdable.
  3. Disjoncteur de puissance selon revendication 1 ou 2, caractérisé en ce que les parties de couvercle (18, 19) sont guidées sur le boîtier de connexion (1) à la manière d'un tiroir.
  4. Disjoncteur de puissance selon la revendication 1, caractérisé en ce que les parties de couvercle (18, 19) sont enclenchées avec le boîtier de connexion (1), dans la position ouverte et / ou dans la position fermée.
  5. Disjoncteur de puissance selon la revendication 1, caractérisé en ce qu'au moins l'une des parties de couvercle (18, 19) présente un évidement (20) dans lequel s'engage une pièce (23) formée sur le levier d'actionnement (4).
  6. Disjoncteur de puissance selon la revendication 1, caractérisé en ce qu'au moins l'une des pattes des parties de couvercle (18, 19) est formée à partir de celle-ci.
  7. Disjoncteur de puissance selon la revendication 1, caractérisé en ce qu'au moins l'une des parties de couvercle (18, 19) présente des ouvertures en forme de fentes (31) pour le déplacement du levier d'actionnement (4).
  8. Disjoncteur de puissance selon la revendication 1, caractérisé en ce que ledit disjoncteur de puissance présente, connecte ou déconnecte un circuit de puissance électrique et un circuit de signal électrique.
  9. Disjoncteur de puissance selon la revendication 1, caractérisé en ce que l'enceinte (2) reliée au boîtier à connecteurs femelles est en métal ou métallisée.
EP08759751.4A 2007-05-18 2008-05-19 Disjoncteur de puissance pour véhicule à moteur Not-in-force EP2156524B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007023234A DE102007023234A1 (de) 2007-05-18 2007-05-18 Leistungstrennschalter für ein Kraftfahrzeug
PCT/EP2008/056127 WO2008142054A2 (fr) 2007-05-18 2008-05-19 Disjoncteur de puissance pour véhicule à moteur

Publications (2)

Publication Number Publication Date
EP2156524A2 EP2156524A2 (fr) 2010-02-24
EP2156524B1 true EP2156524B1 (fr) 2014-06-25

Family

ID=39868821

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08759751.4A Not-in-force EP2156524B1 (fr) 2007-05-18 2008-05-19 Disjoncteur de puissance pour véhicule à moteur

Country Status (8)

Country Link
US (1) US7750789B2 (fr)
EP (1) EP2156524B1 (fr)
JP (1) JP5132764B2 (fr)
KR (1) KR101363762B1 (fr)
CN (1) CN101689731B (fr)
DE (1) DE102007023234A1 (fr)
ES (1) ES2500218T3 (fr)
WO (1) WO2008142054A2 (fr)

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Publication number Publication date
ES2500218T3 (es) 2014-09-30
KR101363762B1 (ko) 2014-02-21
KR20100018522A (ko) 2010-02-17
WO2008142054A3 (fr) 2009-01-15
CN101689731B (zh) 2013-03-27
EP2156524A2 (fr) 2010-02-24
CN101689731A (zh) 2010-03-31
US7750789B2 (en) 2010-07-06
JP2010527826A (ja) 2010-08-19
DE102007023234A1 (de) 2008-11-20
JP5132764B2 (ja) 2013-01-30
WO2008142054A2 (fr) 2008-11-27
US20100073119A1 (en) 2010-03-25

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