EP2156524A2 - Circuit-breaker for a motor vehicle - Google Patents

Circuit-breaker for a motor vehicle

Info

Publication number
EP2156524A2
EP2156524A2 EP08759751A EP08759751A EP2156524A2 EP 2156524 A2 EP2156524 A2 EP 2156524A2 EP 08759751 A EP08759751 A EP 08759751A EP 08759751 A EP08759751 A EP 08759751A EP 2156524 A2 EP2156524 A2 EP 2156524A2
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
housing
cover
connector housing
breaker according
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
EP08759751A
Other languages
German (de)
French (fr)
Other versions
EP2156524B1 (en
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/en
Application granted granted Critical
Publication of EP2156524B1 publication Critical patent/EP2156524B1/en
Not-in-force 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
    • H01R13/66—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, which has electrically connected plug contact elements, and with a
  • Socket housing which has socket contacts, wherein via an actuating lever, the plug contact elements with the socket contacts are connectable and separable.
  • Such a circuit breaker is known from DE 10 2004 054 360.
  • 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 connector housing has a securing chamber which accommodates a fuse which can be inserted into the power circuit, in that the securing chamber has an opening through which the fuse can be inserted into the fuse chamber or the fuse chamber can be removed Can be closed lid, and that the plug contact elements are not electrically connected to the socket contacts when the lid is open.
  • the open lid the movement of the connector housing in the direction of the receptacle housing mechanically limited, so that the plug contact elements and the receptacle contacts do not come into mechanical contact with each other and thus 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 may take at least two positions, in one position, the lid closes the fuse chamber and thereby prevents access to the fuse or fuse contacts on 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.
  • FIG. 3 shows the circuit breaker with associated housing parts
  • Figure 4 is an enlarged view of the lever mechanism
  • FIG. 5 shows a first view of gearwheel and blocking lever
  • FIG. 6 shows a second view of gearwheel and blocking lever
  • FIG. 7 shows an unlocking pin
  • FIG. 8 shows an unlocking opening
  • FIG. 9 shows a first detail view of a cover part and the surrounding housing
  • FIG. 10 shows a second detail view of the cover part and the surrounding housing.
  • 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 circuit breakers are preferred in
  • Figure 1 shows a circuit breaker before connecting the switch components in a partially sectioned view.
  • FIG. 2 shows the same circuit breaker in an exploded 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 connections (16), connectable via the electrical connection lines with the circuit breaker are.
  • 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) In the figure 2 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).
  • the electrical connection can be interrupted by a separation of the two housings (1, 3) from each other.
  • a peripheral housing (2) is connected to the receptacle housing (3), which may be added or molded.
  • the enclosure (2) is as a metal or metallized housing part is formed, which essentially forms the lateral surface of the power circuit breaker and the power circuit breaker optionally outgoing electromagnetic interference effectively shields.
  • 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) By turning the operating lever (4), 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. If the operating lever (4) completely folded, as shown in Figure 3, so 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) completely with the socket contacts in and so that are in electrically conductive connection.
  • FIG. 4 shows a section of the actuating lever (4) which is in its starting position.
  • the gear (5) is located in front of the upper edge of Rack (13) with which the gear (5) by a movement of the actuating lever (4) is to be engaged.
  • FIG. 4 shows a one-armed blocking lever (10) formed on the connector housing (1), the free end portion of which engages in a tooth gap (6) of the toothed wheel (5). As a result, the mobility of the integrally connected to the gear (5) operating lever (4) is blocked.
  • 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.
  • 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 wheel (5), visible in FIG. 4, the blocking lever (10) can not spring back into its starting position before it moves the free tooth gap (7 ) reached 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 Power circuit breaker by mechanical effects, such as vibrations of the vehicle body, is effectively prevented.
  • an unlocking pin (25) may be provided, which is sketched in FIG.
  • 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 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 hereinafter referred to collectively as a signal connector (17).
  • the housing contours of the signal connector (17) are shown in Figures 1 and 2.
  • 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, not one here controlled electronic or electro-mechanical relay, which is turned on in the power circuit of the circuit breaker, so that the circuit breaker can connect and disconnect the power contacts current and voltage-free.
  • 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 lid consists of two cover parts (18, 19) which can be moved 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 Operating 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, otherwise a to the cover part (19) integrally molded web (29) of the connector housing (1), as shown in Figure 9, during the insertion movement, hits one edge of the surrounding housing (2).
  • the second cover part (19) is in the position closing the securing chamber, the web (29) is received by the surrounding housing (2), recognizable in FIG. 10, and the connector housing (1) can be connected to the receptacle housing (3) become.
  • FIG. 10 furthermore shows that, when the housing parts are connected to one another, the securing chamber can not be opened by a lateral displacement of the cover part (19) since the web (29) is now blocked by the inner wall of the surrounding housing (2).
  • an identically acting web (30) is also formed on the first cover part (18).
  • 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 mounted on the circuit breaker operating lever (4) is locked in its delivery state by the blocking lever (10).
  • the lifting of the lock is done by a Anberichtkante (12) within the
  • Umgepuses (2) which deflects the blocking lever (3) during the assembly process, and thus releases the actuating lever (4).
  • the provision of an integrally formed connecting web (8) between the gear flanks prevents the blocking lever (10) from pivoting back into its starting position during the subsequent turning operation.
  • 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, 30), which serve as Kodierabmut.
  • the webs (29, 30) 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, 30) collide with the surrounding housing (3). 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 only be completed when the cover parts (18, 19) properly obstruct access to the fuse (22), ie are in the closed state.
  • the cover parts (18, 19) After completion of the rotational movement of the actuating lever (4) are the webs (29, 30) of the cover parts (18, 19) within the Umgephinuses (2), whereby the cover parts (18, 19) are locked against displacement.
  • An additional fixing of the lid parts (18, 19) is through reaches 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.

Abstract

The invention relates to a circuit-breaker for a motor vehicle, comprising a connector housing containing electrically connected plug-in contact elements and a socket housing containing socket contacts, said plug-in contact elements being connected to and disconnected from the socket contacts by means of an actuating lever. The connector housing has a fuse chamber, which accommodates a fuse that can be integrated into the power circuit and said fuse chamber has an opening, through which the fuse can be introduced into or removed from the fuse chamber. The opening can be closed by a positionable cover and the plug-in contacts cannot be electrically connected to the socket contacts when the cover is open.

Description

Leistungstrennschalter für ein Kraftfahrzeug Circuit breaker for a motor vehicle
Die vorliegende Erfindung betrifft einen Leistungstrennschalter für ein Kraftfahrzeug, mit einem Verbindergehäuse, welches elektrisch miteinander verbundene Steckkontaktelemente aufweist, und mit einemThe present invention relates to a power circuit breaker for a motor vehicle, comprising a connector housing, which has electrically connected plug contact elements, and with a
Steckhülsengehäuse, welches Steckhülsenkontakte aufweist, wobei über einen Betätigungshebel die Steckkontaktelemente mit den Steckhülsenkontakten verbindbar und trennbar sind.Socket housing, which has socket contacts, wherein via an actuating lever, the plug contact elements with the socket contacts are connectable and separable.
Ein derartiger Leistungstrennschalter ist aus der DE 10 2004 054 360 bekannt.Such a circuit breaker is known from DE 10 2004 054 360.
Der nachfolgend beschriebene Leistungstrennschalter ist vorrangig zum Einsatz in elektrischen Kraftfahrzeugen und in sogenannten Hybridfahrzeugen, die neben einem Verbrennungsmotor auch einen elektrischen Antrieb aufweisen, vorgesehen. Insbesondere zu Wartungszwecken ist es hin und wieder erforderlich, die elektrische Versorgung zu unterbrechen. Da in solchen Fahrzeugen nicht nur hohe Ströme sondern auch relativ hohe Spannungen auftreten, ist es erforderlich den hierzu verwendeten Leistungstrennschalter berührungssicher auszuführen.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.
Zu den üblichen Wartungsarbeiten an elektrischen Anlagen gehört auch der Austausch einer defekten Sicherung. Da zu einem Sicherungstausch der Stromkreis zweckmäßigerweise mittels des Leistungstrennschalters unterbrochen wird, ist es vorteilhaft, wenn die Sicherung im Bereich des Leistungstrennschalters angeordnet ist. Besonders vorteilhaft ist es, wenn die elektrische Sicherung ein Bestandteil des Leistungstrennschalters ist.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.
Es stellte sich die Aufgabe, einen Leistungstrennschalter zu schaffen, der eine elektrische Sicherung aufweist und bei dem konstruktionsbedingt Zugriffe auf eine stromführende Sicherung und auf spannungsführende Sicherungskontakte ausgeschlossen sind. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass das Verbindergehäuse eine Sicherungskammer aufweist, die eine in den Leistungskreis einfügbare Sicherung aufnimmt, dass die Sicherungskammer eine Öffnung aufweist, durch die die Sicherung in die Sicherungskammer einsetzbar oder der Sicherungskammer entnehmbar ist, dass die Öffnung durch einen positionierbaren Deckel verschließbar ist, und dass die Steckkontaktelemente bei geöffnetem Deckel nicht mit den Steckhülsenkontakten elektrisch verbindbar sind.It set itself the task of creating a circuit breaker, which has an electrical fuse and are excluded by the design due to access to a live fuse and live fuses. This object is achieved in accordance with the invention in that the connector housing has a securing chamber which accommodates a fuse which can be inserted into the power circuit, in that the securing chamber has an opening through which the fuse can be inserted into the fuse chamber or the fuse chamber can be removed Can be closed lid, and that the plug contact elements are not electrically connected to the socket contacts when the lid is open.
Hierzu ist vorzugsweise vorgesehen, dass der geöffnete Deckel die Bewegung des Verbindergehäuses in Richtung auf das Steckhülsengehäuse mechanisch begrenzt, so dass die Steckkontaktelemente und die Steckhülsenkontakte nicht in mechanischen Kontakt miteinander kommen und somit auch keine elektrische Verbindung zueinander herstellen. Da die Verbindung des Verbindergehäuses und des Steckhülsengehäuses durch einen Betätigungshebel vermittelt wird, kann dies insbesondere durch eine Blockierung des Hebelwegs erreicht werden. Entscheidend ist hierbei die jeweilige Stellung eines positionierbaren Deckels, der beispielsweise durch zwei am Verbindergehäuse verschiebbar angeordnete Deckelteile ausgebildet sein kann. Der Deckel oder die Deckelteile (die Begriffe werden im folgenden ohne Beschränkung der Allgemeinheit gleichwertig verwendet) kann dabei wenigstens zwei Positionen einnehmen, wobei in einer Position der Deckel die Sicherungskammer verschließt und dadurch Zugriffe auf die Sicherung oder auf die die Sicherung kontaktierende Sicherungskontakte verhindert. In einer zweiten Position gibt der Deckel den Zugang zur Sicherungskammer frei und verhindert dabei zugleich eine mechanische und elektrische Verbindung von Steckkontaktelementen und Steckhülsenkontakten miteinander.For this purpose, it is preferably provided that the open lid, the movement of the connector housing in the direction of the receptacle housing mechanically limited, so that the plug contact elements and the receptacle contacts do not come into mechanical contact with each other and thus 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) may take at least two positions, in one position, the lid closes the fuse chamber and thereby prevents access to the fuse or fuse contacts on 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.
Vorteilhafte Ausgestaltungen und Weiterbildungen eines erfindungsgemäßen Leistungstrennschalters ergeben sich aus den abhängigen Ansprüchen und der nachfolgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung.Advantageous embodiments and further developments of a power circuit breaker according to the invention will become apparent from the dependent claims and the following description of an embodiment with reference to the drawing.
Es zeigenShow it
Figur 1 einen Leistungstrennschalter mit teilweise verbundenen Gehäuseteilen,1 shows a circuit breaker with partially connected housing parts,
Figur 2 den Leistungstrennschalter in einer Explosionsansicht,2 shows the circuit breaker in an exploded view,
Figur 3 den Leistungstrennschalter mit verbundenen Gehäuseteilen, Figur 4 eine vergrößerte Ansicht der Hebelmechanik,3 shows the circuit breaker with associated housing parts, Figure 4 is an enlarged view of the lever mechanism,
Figur 5 eine erste Ansicht von Zahnrad und Blockierhebel,FIG. 5 shows a first view of gearwheel and blocking lever,
Figur 6 eine zweite Ansicht von Zahnrad und Blockierhebel,FIG. 6 shows a second view of gearwheel and blocking lever,
Figur 7 einen Entriegelungsstift,FIG. 7 shows an unlocking pin,
Figur 8 eine Entriegelungsöffnung, Figur 9 eine erste Detailansicht von einem Deckelteil und dem Umgehäuse,8 shows an unlocking opening, FIG. 9 shows a first detail view of a cover part and the surrounding housing,
Figur 10 eine zweite Detailansicht von dem Deckelteil und dem Umgehäuse.FIG. 10 shows a second detail view of the cover part and the surrounding housing.
Der Leistungstrennschalter realisiert Sicherheitsfunktionen im Zusammenhang mit Servicearbeiten am Kraftfahrzeug und ermöglicht die Abschaltung des Batteriepotentials. Bevorzugt werden derartige Leistungstrennschalter inThe circuit breaker realizes safety functions in connection with service work on the motor vehicle and enables the shutdown of the battery potential. Such power circuit breakers are preferred in
Elektrofahrzeugen und Hybridfahrzeugen eingesetzt, bei denen hohen Strom- und oft auch hohe Spannungswerte berührungssicher zu schalten sind.Used in electric vehicles and hybrid vehicles, where high current and often high voltage values are safe to switch.
Die Figur 1 zeigt einen Leistungstrennschalter vor dem Verbinden der Schalterkomponenten in einer teilweise geschnittenen Ansicht. In der Figur 2 ist derselbe Leistungstrennschalter in einer Explosionsansicht dargestellt.Figure 1 shows a circuit breaker before connecting the switch components in a partially sectioned view. FIG. 2 shows the same circuit breaker in an exploded view.
Der Leistungstrennschalter besteht aus einem Verbindergehäuse (1 ), einem Umgehäuse (2) und einem Steckhülsengehäuse (3). Das Steckhülsengehäuse (3) weist, hier nicht im Detail dargestellte, Leistungsanschlüsse (16) auf, über die elektrische Anschlussleitungen mit dem Leistungstrennschalter verbindbar sind. Die Leistungsanschlüsse (16) können hierzu vorzugsweise innerhalb des Steckhülsengehäuses (3) angeordnete Steck-, Schraub- oder Crimpverbinder aufweisen.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 connections (16), connectable via the electrical connection lines with the circuit breaker are. The power terminals (16) can for this purpose preferably within the receptacle housing (3) arranged plug, screw or crimp.
Durch das Anfügen des Verbindergehäuses (1 ) an das Steckhülsengehäuse (3) können die Leistungsanschlüsse (16) elektrisch miteinander verbunden werden. Hierzu weist das Verbindergehäuses (1 ) intern zwei elektrische Steckkontaktelemente auf, die etwa als für hohe Stromstärken ausgelegte Flachstecker ausgebildet sein können. In der Figur 2 sind Gehäusekörper (24) erkennbar, die die Steckkontaktelemente umgeben. Die Gehäusekörper (24) sind einstückig an eine Grundplatte (15) angeformt, die auf ihrer entgegengesetzt gelegenen Oberfläche eine angeformte Aufnahmekammer (27) für eine elektrische Sicherung (22) aufweist. Die in die Aufnahmekammer (27) eingesetzte Sicherung (22) stellt eine elektrisch leitende Verbindung zwischen den Steckkontaktelementen des Verbindergehäuses (1 ) her.By attaching the connector housing (1) to the receptacle housing (3), the power terminals (16) can be electrically connected to each other. For this purpose, the connector housing (1) has internally two electrical plug-in contact elements, which may be formed as designed for high current levels flat plug. In the figure 2 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).
In eine Grundplatte (14) des Steckhülsengehäuses (3) sind, in der Zeichnung nicht dargestellte buchsenartige Steckhülsenkontakte eingebracht, in die die Steckkontaktelemente des Verbindergehäuses (1 ) einsetzbar sind. Die Steckhülsenkontakte stehen in elektrisch leitender Verbindung mit den Leistungsanschlüssen (16).In a base plate (14) of the receptacle housing (3), not shown in the drawing 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).
Durch das Zusammenfügen des Verbindergehäuses (1 ) mit dem Steckhülsengehäuse (3) werden so die Leistungsanschlüsse (16) über die hergestellte Steckverbindung und die Sicherung (22) elektrisch miteinander verbunden. Entsprechend kann die elektrische Verbindung durch eine Trennung der beiden Gehäuse (1 , 3) voneinander, unterbrochen werden.By joining the connector housing (1) with the receptacle housing (3) so the power terminals (16) via the prepared connector and the fuse (22) are electrically connected together. Accordingly, the electrical connection can be interrupted by a separation of the two housings (1, 3) from each other.
Um einen guten Berührschutz zu gewährleisten, ist mit dem Steckhülsengehäuse (3) ein umlaufendes Umgehäuse (2) verbunden, welches angefügt oder angeformt sein kann. Das Umgehäuse (2) ist als ein metallenes oder metallisiertes Gehäuseteil ausgebildet, welches im wesentlichen die Mantelfläche des Leistungstrennschalters bildet und vom Leistungstrennschalter gegebenenfalls ausgehende elektromagnetische Störungen wirkungsvoll abschirmt.In order to ensure a good contact protection, a peripheral housing (2) is connected to the receptacle housing (3), which may be added or molded. The enclosure (2) is as a metal or metallized housing part is formed, which essentially forms the lateral surface of the power circuit breaker and the power circuit breaker optionally outgoing electromagnetic interference effectively shields.
Um die bei Hochlaststeckverbindungen auftretenden relativ hohen Steckkräfte aufzubringen, ist zum Verbinden des Verbindergehäuses (1 ) mit dem Steckhülsengehäuses (3) eine Hebelmechanik vorgesehen. Diese besteht aus einem bügelartigen Betätigungshebel (4), der an zwei Stellen am Verbindergehäuse (1 ) drehbar gelagert ist. Der Betätigungshebel (4) bildet in den Bereichen der Lagerstellen jeweils ein einstückig angeformtes Zahnrad (5) aus. Das Zahnrad (5) kann durch Anfügen des Verbindergehäuses (1 ) an das Steckhülsengehäuse (3) mit einer Zahnstange (13), die an das Steckhülsengehäuse (3) angeformt ist und sich in Richtung auf das Verbindergehäuse erstreckt, in Eingriff gebracht werden. Durch Umlegen des Betätigungshebels (4) wird das Zahnrad (5) um etwa eine Vierteldrehung im Uhrzeigersinn mitgedreht, und bewegt sich dadurch zusammen mit dem gesamten Verbindergehäuse translatorisch in Richtung auf das Steckhülsengehäuse. Ist der Betätigungshebel (4) vollständig umgelegt, wie in der Figur 3 dargestellt, so erreicht damit auch das Verbindergehäuse (1 ) seine Endposition gegenüber dem Steckhülsengehäuse (3), in der die Steckkontaktelemente des Verbindergehäuses (1 ) vollständig mit den Steckhülsenkontakten in Eingriff und damit in elektrisch leitender Verbindung sind.In order to apply the occurring at Hochlaststeckverbindungen relatively high insertion forces, a lever mechanism is provided 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. By turning the operating lever (4), 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. If the operating lever (4) completely folded, as shown in Figure 3, so 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) completely with the socket contacts in and so that are in electrically conductive connection.
Die Anordnung des Zahnrads (5) ist in den Figuren 4 bis 6 vergrößert dargestellt. Anhand dieser Figuren soll die Funktionsweise der Hebelmechanik weiter verdeutlicht werden soll.The arrangement of the gear (5) is shown enlarged in Figures 4 to 6. Based on these figures, the operation of the lever mechanism is to be further clarified.
Die Figur 4 zeigt einen Abschnitt des Betätigungshebels (4), der sich in seiner Ausgangsstellung befindet. Das Zahnrad (5) liegt vor der Oberkante der Zahnstange (13), mit der das Zahnrad (5) durch eine Bewegung des Betätigungshebels (4) in Eingriff kommen soll. Des weiteren zeigt die Figur 4 einen einarmigen, am Verbindergehäuse (1 ) angeformten Blockierhebel (10), dessen freier Endabschnitt in eine Zahnlücke (6) des Zahnrads (5) eingreift. Hierdurch ist die Bewegbarkeit des einstückig mit dem Zahnrad (5) verbundenen Betätigungshebels (4) blockiert.FIG. 4 shows a section of the actuating lever (4) which is in its starting position. The gear (5) is located in front of the upper edge of Rack (13) with which the gear (5) by a movement of the actuating lever (4) is to be engaged. Furthermore, FIG. 4 shows a one-armed blocking lever (10) formed on the connector housing (1), the free end portion of which engages in a tooth gap (6) of the toothed wheel (5). As a result, the mobility of the integrally connected to the gear (5) operating lever (4) is blocked.
Außerdem ist in der Figur 4 eine Ansteuerkante (12) erkennbar, die an einer Innenseite des Umgehäuses (2) angeformt ist. Wird das Verbindergehäuse (1 ) nun in Richtung auf das Umgehäuse (2) verschoben, so drückt die, sich nach unten verbreiternde Ansteuerkante (12) gegen die Längsseite des Blockierhebels (10) und schiebt damit den das Zahnrad (5) blockierenden Endabschnitt des Blockierhebels (10) aus der Drehebene des Zahnrads (5) heraus. Die Blockierung des Zahnrads (5) und damit zugleich die Blockierung des Betätigungshebels (4) ist damit aufgehoben.In addition, in Figure 4, a Ansteuerrante (12) can be seen, which is integrally formed on an inner side of the Umgehäuses (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.
Der Betätigungshebel (4) kann nun umgelegt werden, wobei das Zahnrad (5) mit der Zahnstange (13) des Steckhülsengehäuses (3) in Eingriff kommt und so das Verbindergehäuse (1 ) in Richtung auf das Steckhülsengehäuse (3) verschiebt, bis die Steckkontaktelemente mit den Steckhülsenkontakten verbunden sind.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.
Die anfängliche Arretierung des Zahnrads (5) durch den Blockierhebel (10) verhindert, dass das Verbindergehäuse (1 ) und das Steckhülsengehäuse (3) zusammenfügbar sind, wenn das Umgehäuse (2) nicht korrekt montiert ist. Hierdurch wird das Herstellen der durch den Leistungstrennschalter vermittelten elektrischen Verbindung verhindert, wenn wegen eines fehlenden oder falsch positionierten Umgehäuses (2) kein ausreichender Berührungsschutz und keine wirksame Abschirmung elektromagnetischer Felder gegeben ist. Die Figur 5 zeigt eine weitere Ansicht des Betätigungshebels (10) in seiner Ausgangslage - erkennbar an der Abgangsrichtung des am Zahnrad (5) angeformten Betätigungshebels (4) - in der der Betätigungshebel (4) durch den in eine Zahnlücke (6) eingreifenden Blockierhebel (10) blockiert ist.The initial locking of the gear (5) by the blocking lever (10) prevents the connector housing (1) and the receptacle housing (3) are joined together when the surrounding housing (2) is not mounted correctly. As a result, the production of mediated by the power circuit breaker electrical connection is prevented if due to a missing or incorrectly positioned housing (2) is not given sufficient contact protection and no effective shielding electromagnetic fields. 5 shows a further view of the actuating lever (10) in its initial position - recognizable by the outgoing direction of the gear (5) integrally formed actuating lever (4) - in which the actuating lever (4) by the in a tooth gap (6) engaging locking lever ( 10) is blocked.
In der Figur 6 ist der Betätigungshebel (4) und das Zahnrad (5), nach erfolgtem Umlegen des Betätigungshebels (4), in seiner Endposition abgebildet. Die Abgangsrichtung des Betätigungshebels (4) ist hierbei gegenüber der Ausgangsstellung um etwa 90° im Uhrzeigersinn gedreht. Der Endabschnitt des Blockierhebels (10) ist hier wiederum in eine Zahnlücke (7) eingerastet. Dies ist möglich, da in dieser Endposition des Verbindergehäuses (1 ) der Blockierhebel (10) bereits über die Ansteuerkante (12) des Umgehäuses (2) (siehe Figur 4) hinweg bewegt und entsprechend wieder in seiner Ursprungslage zurückgefedert ist.In the figure 6, the actuating lever (4) and the gear (5), after the folding of the actuating lever (4), shown in its end 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) the blocking lever (10) already moved over the Ansteuerkante (12) of the Umgehäuses (2) (see Figure 4) and is spring back accordingly in its original position.
Damit der Blockierhebel (10) nicht in einer Zwischenposition in eine Zahnlücke einrastet, ist an der Rückseite des Zahnrads (5) ein flächiger Verbindungssteg (8) angeformt, der die Zahnlücken (6, 7) für den Blockierhebel (10) nur von einer Seite des Zahnrads (5) her zugänglich macht. Der Verbindungssteg (8) ist nur für genau zwei Zahnlücken (6, 7), entsprechend der Ausgangs- und die Endstellung des Betätigungshebels (4), unterbrochen. Des weiteren wird zusätzlich durch den Verbindungssteg (8) eine Erhöhung des axialen und radialen Widerstandsmoments und damit eine erhöhte Verwindungssteifigkeit des Zahnrads (5) erzielt. Da die Ansteuerkante (12) den Blockierhebel (10) hinter den Verbindungssteg (8) des Zahnrads (5) drückt, ersichtlich in der Figur 4, kann der Blockierhebel (10) somit nicht in seine Ausgangslage zurückfedern, bevor er die freie Zahnlücke (7) für die Endstellung des Betätigungshebels (4) erreicht.So that the blocking lever (10) does not latch into a tooth gap in an intermediate 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 wheel (5), visible in FIG. 4, the blocking lever (10) can not spring back into its starting position before it moves the free tooth gap (7 ) reached for the end position of the actuating lever (4).
Die Blockierung des Betätigungshebels in seiner Endstellung ist vorteilhaft, da hierdurch ein versehentliches oder ein selbsttätiges Öffnen des Leistungstrennschalters durch mechanische Einwirkungen, wie beispielsweise Vibrationen der Kraftfahrzeugkarosserie, wirkungsvoll verhindert wird.The blocking of the actuating lever in its end position is advantageous, as a result of accidental or automatic opening of the Power circuit breaker by mechanical effects, such as vibrations of the vehicle body, is effectively prevented.
Um den blockierten Betätigungshebel (4) zu entriegeln, kann ein Entriegelungsstift (25) vorgesehen sein, der in der Figur 7 skizziert ist. Der Entriegelungsstift (25) durchragt eine Entriegelungsöffnung (26) in der Wand des Umgehäuses (2) und ist entweder am Umgehäuse (2) gelagert oder am Blockierhebel (10) angeformt.In order to unlock the blocked operating lever (4), an unlocking pin (25) may be provided, which is sketched in FIG. 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).
Montagetechnisch noch einfacher ist es, entsprechend der Darstellung der Figur 8, auf einen Entriegelungsstift zu verzichten und nur eine Entriegelungsöffnung (26) im Umgehäuse (2) vorzusehen. Durch Einführen eines stiftartigen Gegenstands, etwa eines schmalen Schraubendrehers, in die Entriegelungsöffnung (26) kann so der Blockierhebel (10) verschoben werden, um das Zahnrad (5) und damit den BetätigungshebelMounting technology is even easier, according to the representation of Figure 8, to dispense with an unlocking pin and only one unlocking (26) in the surrounding housing (2). By inserting a pin-like object, such as a small screwdriver, in the unlocking (26) so the blocking lever (10) can be moved to the gear (5) and thus the actuating lever
(4) freizugeben. Angeformte Schrägen (9, 1 1 ) am Endabschnitt des Blockierhebels (10) und an der Rückseite des Zahnrads (5), erkennbar in der Figur 6, unterstützen ein Herausgleiten des Blockierhebels (10) aus der Zahnlücke (6).(4) release. Shaped bevels (9, 1 1) at the end portion of the blocking lever (10) and at the back of the gear (5), visible in the figure 6, support a sliding out of the blocking lever (10) from the tooth gap (6).
Der Leistungstrennschalter weist zudem am Verbindergehäuse (1 ) und am Steckhülsengehäuse (3) miteinander verbindbare Steckkontaktelemente auf, die für kleine elektrische Leistungen ausgelegt sind und die im folgenden zusammenfassend als Signalverbinder (17) bezeichnet werden. Die Gehäusekonturen des Signalverbinders (17) sind in den Figuren 1 und 2 dargestellt.The 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 hereinafter referred to collectively as a signal connector (17). The housing contours of the signal connector (17) are shown in Figures 1 and 2.
Der Signalverbinder (17) schließt bei miteinander verbundenen Verbindergehäuse (1 ) und Steckhülsengehäuse (3) einen elektrischen Signalkreis, der den Verbindungszustand des Leistungstrennschalters signalisiert. Dieses Signal kann dazu vorgesehen sein, ein hier nicht dargestelltes elektronisches oder elektromechanisches Relais anzusteuern, welches in den Leistungskreis des Leistungstrennschalters eingeschaltet ist, so dass der Leistungstrennschalter die Leistungskontakte ström- und spannungsfrei verbinden bzw. trennen kann.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, not one here controlled electronic or electro-mechanical relay, which is turned on in the power circuit of the circuit breaker, so that the circuit breaker can connect and disconnect the power contacts current and voltage-free.
Hierzu ist eine gegenüber dem Leistungskreis nacheilende Schließung des Signalkreises und voreilende Trennung desselben erforderlich. Entsprechend wird bei der Demontage des Leistungstrennschalters zunächst der Signalkreis durch eine rotatorische Bewegung des Betätigungshebels (4) unterbrochen. Durch diese Bewegung und die nachfolgende translatorische Bewegung der Gehäuse (1 , 3) zueinander wird danach der Leistungskreis geöffnet. Die Abfolge beim Verbinden der Gehäuse (1 , 3) erfolgt in umgekehrter Reihenfolge.For this purpose, a comparison of the power circuit lagging closure of the signal circuit and leading separation of the same is required. Accordingly, when disassembling the circuit breaker, first the signal circuit is interrupted by a rotary movement of the operating lever (4). By this movement and the subsequent translational movement of the housing (1, 3) to each other then the power circuit is opened. The sequence when connecting the housing (1, 3) takes place in the reverse order.
In den Leistungskreis eingefügt ist eine elektrische Sicherung als Überlastschutz. Wie die Figur 2 zeigt, ist die Sicherung (22) in einer Sicherungskammer (27) angeordnet, die durch einen Deckel verschließbar ist. Der Deckel kann einteilig oder, wie im dargestellten Ausführungsbeispiel, auch mehrteilig ausgeführt sein. Entsprechend der Darstellung der Figur 2 besteht der Deckel aus zwei Deckelteilen (18, 19), die entlang der Zugangsöffnung (28) der Sicherungskammer (27) verschoben werden können. Hierzu sind die Deckelteile (18, 19) untrennbar an das Verbindergehäuse (1 ) angefügt und schubladenartig an einem Randabschnitt des Verbindergehäuses (1 ) geführt. Die Führung kann vorteilhaft, in der Zeichnung nicht dargestellte Rastelemente aufweisen, so dass zumindest die vollständige geöffnete und die vollständig geschlossene Deckelposition durch Einrasten der Deckelteile (18, 19) haptisch erkennbar ist.Inserted in the power circuit is an electrical fuse as overload protection. As Figure 2 shows, 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. According to the illustration of Figure 2, the lid consists of two cover parts (18, 19) which can be moved along the access opening (28) of the securing chamber (27). For this purpose, 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).
Befinden sich die Deckelteile (18, 19) in der die Sicherungskammer (27) verschließenden Position, so umschließen sie die Bügel des Betätigungshebels (4), die in schlitzförmigen Durchbrüche (31 ) in den Deckelteilen (18, 19) beweglich sind.If the cover parts (18, 19) are in the position closing the securing chamber (27), they enclose the stirrups of the Operating lever (4) which are movable in slot-shaped openings (31) in the cover parts (18, 19).
Eines der Deckelteile (18) weist eine Ausnehmung (20) auf, deren Form an die Ausgestaltung einer Anformung (23) am Bügel des Betätigungshebels (4) angepasst ist. Die Anformung (23) kann in der Ausnehmung (20) versenkt werden; allerdings ist dies nur dann möglich, wenn sich das Deckelteil (18) in einer Position befindet, in der es die Sicherungskammer (27) zumindest weitgehend verschließt, da andernfalls die Anformung (23) des Betätigungshebels (4) auf die Fläche des Deckelteils (18) trifft.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.
Auch das zweite Deckelteil (19) muss zum Verbinden der Gehäuseteile (1 , 3) in die Schließposition gebracht werden, da sonst ein an das Deckelteil (19) angeformter Steg (29) des Verbindergehäuses (1 ), wie aus der Figur 9 ersichtlich, bei der Steckbewegung, auf eine Kante des Umgehäuses (2) trifft. Befindet sich das zweite Deckelteil (19) dagegen in der die Sicherungskammer verschließenden Stellung, so wird der Steg (29) vom Umgehäuse (2) aufgenommen, erkennbar in der Figur 10, und das Verbindergehäuse (1 ) kann mit dem Steckhülsengehäuse (3) verbunden werden.Also, the second cover part (19) must be brought to connect the housing parts (1, 3) in the closed position, otherwise a to the cover part (19) integrally molded web (29) of the connector housing (1), as shown in Figure 9, during the insertion movement, hits one edge of the surrounding housing (2). On the other hand, if the second cover part (19) is in the position closing the securing chamber, the web (29) is received by the surrounding housing (2), recognizable in FIG. 10, and the connector housing (1) can be connected to the receptacle housing (3) become.
Die Figur 10 zeigt weiterhin, dass bei miteinander verbundenen Gehäuseteilen, die Sicherungskammer nicht durch eine seitliche Verschiebung des Deckelteils (19) geöffnet werden kann, da der Steg (29) nun durch die innere Wand des Umgehäuses (2) blockiert wird. Wie die Figur 2 zeigt, ist ein gleichwirkender Steg (30) auch an das erste Deckelteil (18) angeformt.FIG. 10 furthermore shows that, when the housing parts are connected to one another, the securing chamber can not be opened by a lateral displacement of the cover part (19) since the web (29) is now blocked by the inner wall of the surrounding housing (2). As FIG. 2 shows, an identically acting web (30) is also formed on the first cover part (18).
Ist der Betätigungshebel (4) vollständig umgelegt und die Leistungsanschlüsse (16) folglich elektrisch miteinander verbunden, ist die Anformung des Betätigungshebels (4) in der Ausnehmung (20) des Deckelteils 18 versenkt. Dies ist in der Figur 3 dargestellt. Damit ist das Deckelteil 18 aber auch seiner Position festgelegt, so dass das Deckelteil 18 nicht verschiebbar ist, solange der Betätigungshebel (4) umgelegt ist.If the actuating lever (4) completely folded and the power terminals (16) thus electrically connected to each other, the Anformung the actuating lever (4) in the recess (20) of the cover member 18 is recessed. This is shown in FIG. But this is the cover part 18 but also his Position determined so that the lid member 18 is not displaced as long as the operating lever (4) is folded over.
Somit ist ein Verbinden der Gehäuseteile (1 , 3) des Leistungstrennschalter erst dann möglich ist, wenn die Deckelteile (18, 19) die Sicherungskammer (27) vollständig verschließen. Außerdem ist ein Öffnen der Deckelteile (18, 19) nur bei voneinander getrennten Gehäuseteilen (1 , 3) möglich. Damit ist es ausgeschlossen, dass bei einem ström- bzw. spannungsführendem Leistungstrennschalter auf das Innere der Sicherungskammer (27) zugegriffen werden kann.Thus, a connection of the housing parts (1, 3) of the power circuit breaker is only possible when the cover parts (18, 19) completely close the securing chamber (27). In addition, an opening of the cover parts (18, 19) only with separate housing parts (1, 3) is possible. This eliminates the possibility of accessing the interior of the securing chamber (27) in the event of a current or voltage-conducting disconnector.
Die Funktionsweise des Leistungstrennschalters sei im folgenden noch einmal kurz zusammengefasst. Die Montage des Leistungstrennschalters erfolgt in zwei Montageschritten. Das bewegliche Teil des Leistungstrennschalters wird in Steckrichtung translatorisch bewegt. Dabei wird der Leistungskreis geschlossen. Der Vorgang wird begrenzt, nachdem der arretierte Betätigungshebel (4) die Zahnstange (13) des festen Teiles des Leistungstrennschalters berührt. Am Ende des ersten Montageschrittes erfolgt die Freigabe zur Rotation des Betätigungshebels (4) über die Anlaufkante (12) im Umgehäuse (2). Durch die anschließende Rotationsbewegung wird zusätzlich der Signalstromkreis geschlossen.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. At the end of the first assembly step, the release for rotation of the actuating lever (4) via the starting edge (12) in the surrounding housing (2). The subsequent rotation movement additionally closes the signal circuit.
Der an dem Leistungstrennschalter gelagerte Betätigungshebel (4) ist in seinem Anlieferzustand durch den Blockierhebel (10) arretiert. Die Aufhebung der Arretierung erfolgt durch eine Ansteuerkante (12) innerhalb desThe mounted on the circuit breaker operating lever (4) is locked in its delivery state by the blocking lever (10). The lifting of the lock is done by a Ansteuerkante (12) within the
Umgehäuses (2), die den Blockierhebel (3) während des Montagevorganges auslenkt und somit den Betätigungshebel (4) freigibt. Das Vorsehen eines angeformten Verbindungsstegs (8) zwischen den Zahnradflanken verhindert, dass der Blockierhebel (10) während des anschließenden Drehvorganges in seiner Ausgangsposition zurückschwenken kann. Durch die Arretierung des Betätigungshebels (4) und durch die zwingend erforderliche Freigabe durch die Ansteuerkante (12), wird sichergestellt, dass das Umgehäuses (2) montiert ist.Umgehäuses (2), which deflects the blocking lever (3) during the assembly process, and thus releases the actuating lever (4). The provision of an integrally formed connecting web (8) between the gear flanks prevents the blocking lever (10) from pivoting back into its starting position during the subsequent turning operation. By locking the actuating lever (4) and by the mandatory release by the Ansteuerrante (12), it is ensured that the outer housing (2) is mounted.
Die endgültige Montage des Leistungstrennschalters wird durch die anschließende Drehbewegung des Betätigungshebels (4) vollzogen. Dabei kommt es zum Ineinandergreifen des Zahnrads (5) am Betätigungshebel (4) mit der Zahnstange (13) des Steckhülsengehäuses (3). Nach Beendigung des Drehvorganges schwenkt der Blockierhebel (10) in seine Ausgangsstellung zurück. Somit ist der Blockierhebel (10) nur während des Montagevorganges mechanisch belastet.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.
Der Zugang zur Sicherung (22) erfolgt über zwei quer zur Steckrichtung verschiebbare Deckelteile (18, 19). Im geschlossenem Zustand versperren die Deckelteile (18, 19) den Zugang zur Sicherung (22). Die einzelnen Deckelteile (18, 19) weisen auf ihrer Unterseite Stege (29, 30) auf, die als Kodierabfragen dienen. Die Stege (29, 30) dienen im geschlossenem Zustand der Deckelteile (18, 19) als Führung an der Innenseite des Umgehäuses (2) während des Montageprozesses. Bei einer Stellung der Deckelteile in der geöffneten Position kollidieren die Stege (29, 30) dagegen mit dem Umgehäuse (3). Ihre Dimensionierung ist so ausgelegt, dass bei der Kollision mit dem Umgehäuse (2) die translatorische Bewegung des Montagevorganges frühzeitig unterbrochen wird.The access to the fuse (22) via two transversely displaceable to the plug direction 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, 30), which serve as Kodierabfragen. The webs (29, 30) 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, 30) collide with the surrounding housing (3). Their dimensioning is designed so that in the collision with the surrounding housing (2), the translational movement of the assembly process is interrupted early.
Der Montagevorgang des Leistungstrennschalters kann nur dann abgeschlossen werden, wenn die Deckelteile (18, 19) ordnungsgemäß den Zugang zur Sicherung (22) versperren, d. h. sich im geschlossenem Zustand befinden. Nach Vollendung der Drehbewegung des Betätigungshebels (4) befinden sich die Stege (29, 30) der Deckelteile (18, 19) innerhalb des Umgehäuses (2) , wodurch die Deckelteile (18, 19) gegen eine Verschiebung arretiert sind. Eine zusätzliche Festsetzung des Deckelteile (18, 19) wird durch das Eingreifen der Anformung (23) in die Ausnehmung (20) des ersten Deckelteils (18) erreicht.The assembly process of the circuit breaker can only be completed when the cover parts (18, 19) properly obstruct access to the fuse (22), ie are in the closed state. After completion of the rotational movement of the actuating lever (4) are the webs (29, 30) of the cover parts (18, 19) within the Umgehäuses (2), whereby the cover parts (18, 19) are locked against displacement. An additional fixing of the lid parts (18, 19) is through reaches the engagement of the Anformung (23) in the recess (20) of the first cover part (18).
Zum Öffnen der Sicherungskammer (27) sind diese Montageschritte entsprechend rückgängig zu machen. Ein Sicherungswechsel setzt daher eine Demontage des Leistungstrennschalters und damit eine Unterbrechung der elektrischen Verbindungen voraus. To open the fuse chamber (27) these assembly steps are to be reversed accordingly. A fuse replacement therefore requires a disassembly of the circuit breaker and thus an interruption of the electrical connections.
Bezugszeichenreference numeral
1 Verbindergehäuse1 connector housing
2 Umgehäuse2 surrounding housing
3 Steckhülsengehäuse3 receptacle housing
4 Betätigungshebel4 operating lever
5 Zahnrad5 gear
6, 7 Zahnlücke6, 7 tooth gap
8 Verbindungssteg8 connecting bridge
9 Schräge (am Zahnrad)9 bevel (on the gear)
10 Blockierhebel10 blocking levers
11 Schräge (am Blockierhebel)11 slope (on the blocking lever)
12 Ansteuerkante12 control edge
13 Zahnstange13 rack
14 Grundplatte (am Steckhülsengehäuse)14 base plate (on the socket housing)
15 Grundplatte (am Verbindergehäuse)15 base plate (on the connector housing)
16 Leistungsanschlüsse16 power connections
17 Signalverbinder17 signal connectors
18 erstes Deckelteil18 first cover part
19 zweites Deckelteil19 second cover part
20 Ausnehmung (im Deckel)20 recess (in the lid)
21 Hebeleinschnitt (im Deckel)21 lever cut (in the lid)
22 Sicherung22 fuse
23 Anformung (an Betätigungshebel)23 forming (on actuating lever)
24 Kontaktkörper24 contact bodies
25 Entriegelungsstift25 unlocking pin
26 Entriegelungsöffnung26 unlocking opening
27 Sicherungskammer27 fuse chamber
28 Zugangsöffnung28 access opening
29, 30 Steg29, 30 footbridge
31 schlitzförmige Durchbrüche 31 slot-shaped openings

Claims

Patentansprüche claims
1. Leistungstrennschalter für ein Kraftfahrzeug,1. power circuit breaker for a motor vehicle,
mit einem Verbindergehäuse, welches elektrisch miteinander verbundene Steckkontaktelemente aufweist,with a connector housing having electrically connected plug-in contact elements,
und mit einem Steckhülsengehäuse, welches Steckhülsenkontakte aufweist,and with a receptacle housing having receptacle contacts,
wobei über einen Betätigungshebel die Steckkontaktelemente mit den Steckhülsenkontakten verbindbar und trennbar sind,wherein via an actuating lever, the plug-in contact elements are connectable and separable with the socket contacts,
dadurch gekennzeichnet,characterized,
dass das Verbindergehäuse (1 ) eine Sicherungskammer (27) aufweist, die eine in den Leistungskreis einfügbare Sicherung (22) aufnimmt,in that the connector housing (1) has a securing chamber (27) which accommodates a fuse (22) which can be inserted into the power circuit,
dass die Sicherungskammer (27) eine Öffnung (28) aufweist, durch die die Sicherung (22) in die Sicherungskammer (27) einsetzbar oder der Sicherungskammer (27) entnehmbar ist,in that the securing chamber (27) has an opening (28) through which the securing device (22) can be inserted into the securing chamber (27) or can be removed from the securing chamber (27),
dass die Öffnung (28) durch einen positionierbaren Deckel verschließbar ist, undthat the opening (28) is closable by a positionable lid, and
dass die Steckkontaktelemente bei geöffnetem Deckel nicht mit den Steckhülsenkontakten elektrisch verbindbar sind.that the plug contact elements are not electrically connected to the socket contacts when the lid is open.
2. Leistungstrennschalter nach Anspruch 1 , dadurch gekennzeichnet, dass der Deckel aus mehreren Deckelteilen (18, 19) besteht. 2. Circuit breaker according to claim 1, characterized in that the cover consists of several cover parts (18, 19).
3. Leistungstrennschalter nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Deckel bzw. die Deckelteile (18, 19) unverlierbar mit dem Verbindergehäuse (1 ) verbunden ist/sind.3. circuit breaker according to claim 1 or 2, characterized in that the cover or the cover parts (18, 19) is captively connected to the connector housing (1) is / are.
4. Leistungstrennschalter nach Anspruch 1 oder 3, dadurch gekennzeichnet, dass der Deckel bzw. die Deckelteile (18, 19) schubladenartig am Verbindergehäuse (1 ) geführt ist/sind.4. circuit breaker according to claim 1 or 3, characterized in that the cover or the cover parts (18, 19) drawer-like manner on the connector housing (1) is / are.
5. Leistungstrennschalter nach Anspruch 1 , dadurch gekennzeichnet, dass der Deckel bzw. die Deckelteile (18, 19) in der geöffneten und/oder der geschlossenen Position mit dem Verbindergehäuse (1 ) verrastet ist/sind.5. circuit breaker according to claim 1, characterized in that the lid or the cover parts (18, 19) in the open and / or the closed position with the connector housing (1) is locked / are.
6. Leistungstrennschalter nach Anspruch 1 , dadurch gekennzeichnet, dass der Deckel bzw. zumindest eines der Deckelteile (18, 19) eine Ausnehmung (20) aufweist, in die eine Anformung (23) des Betätigungshebels (4) eingreift.6. circuit breaker according to claim 1, characterized in that the cover or at least one of the cover parts (18, 19) has a recess (20) into which a Anformung (23) of the actuating lever (4) engages.
7. Leistungstrennschalter nach Anspruch 1 , dadurch gekennzeichnet, dass der Deckel bzw. zumindest eines der Deckelteile (18, 19) mindestens einen angeformten Steg (29, 30) aufweist.7. Circuit breaker according to claim 1, characterized in that the cover or at least one of the cover parts (18, 19) has at least one integrally formed web (29, 30).
8. Leistungstrennschalter nach Anspruch 1 , dadurch gekennzeichnet, dass der Deckel bzw. zumindest eines der Deckelteile (18, 19) schlitzförmige Durchbrüche (31 ) für die Bewegung des Betätigungshebels (4) aufweist.8. circuit breaker according to claim 1, characterized in that the lid or at least one of the cover parts (18, 19) slit-shaped openings (31) for the movement of the actuating lever (4).
9. Leistungstrennschalter nach Anspruch 1 , dadurch gekennzeichnet, dass der Leistungstrennschalter einen elektrischen Leistungskreis und einen elektrischen Signalkreis aufweist verbindet bzw. trennt. 9. The circuit breaker according to claim 1, characterized in that the power circuit breaker has an electrical power circuit and an electrical signal circuit connects or disconnects.
10. Leistungstrennschalter nach Anspruch 1 , dadurch gekennzeichnet, dass ein metallenes oder metallisiertes Umgehäuse (2) mit dem Steckhülsengehäuse (3) verbunden ist. 10. Circuit breaker according to claim 1, characterized in that a metallic or metallized housing (2) with the receptacle housing (3) is connected.
EP08759751.4A 2007-05-18 2008-05-19 Circuit-breaker for a motor vehicle Not-in-force EP2156524B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007023234A DE102007023234A1 (en) 2007-05-18 2007-05-18 Circuit breaker for a motor vehicle
PCT/EP2008/056127 WO2008142054A2 (en) 2007-05-18 2008-05-19 Circuit-breaker for a motor vehicle

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EP2156524A2 true EP2156524A2 (en) 2010-02-24
EP2156524B1 EP2156524B1 (en) 2014-06-25

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

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CN101689731B (en) 2013-03-27
JP2010527826A (en) 2010-08-19
US7750789B2 (en) 2010-07-06
WO2008142054A2 (en) 2008-11-27
ES2500218T3 (en) 2014-09-30
KR20100018522A (en) 2010-02-17
US20100073119A1 (en) 2010-03-25
WO2008142054A3 (en) 2009-01-15
JP5132764B2 (en) 2013-01-30
EP2156524B1 (en) 2014-06-25
KR101363762B1 (en) 2014-02-21
DE102007023234A1 (en) 2008-11-20
CN101689731A (en) 2010-03-31

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