A housing assembly encasing an electromagnetic component includes a housing part, a bulkhead wall inserted into the housing part in an insertion direction, a locking sub-assembly locking the bulkhead wall to the housing part, and a glue transport channel formed between the bulkhead wall and the housing part. The housing part has a first wall section and a second wall section opposite the first wall section. The bulkhead wall extends from the first wall section to the second wall section in a horizontal direction in an inserted state in the housing part.
Shown is an electric switch (100) comprising a set of contacts (10) and a drive mechanism (50) for opening and closing the set of contacts (10), wherein the drive mechanism (50) is located besides the set of contacts (10) in a direction (W) that is perpendicular to a direction (O) in which the contacts (11, 12) are movable for at least one of opening and closing.
The invention relates to a core (1) for a coil (40) in particular of a switching device (60), such as an electromagnetic relay. The core (1) comprises an armature abutment section (2) for abutting an armature (48) in a closed condition, an armature bearing section (4) for mounting the armature (48) to the core (1) and a coil section (6) for receiving the coil (40). The coil section (6) extends along a longitudinal axis (X) from the armature abutment section (2) to the armature bearing section (4). In order to provide a core (1) which allows for an assembly of a slimmer switching device (60), the coil section (6) and at least one of the armature abutment section (2) and the armature bearing section (4), preferably both, extend along separate planes being offset from one another perpendicular to the longitudinal axis (X).
The invention relates to a spring assembly (1) for biasing an armature (2) of a switching device (3), such as a relay (4), and a switching device (3), such as a relay (4), comprising such spring assembly (1). In order to provide a spring assembly for biasing the armature of a switching device that has a simple construction and can easily, yet reliably, be mounted in the switching device, the spring assembly (1) comprising a spring base (7), and at least one spring arm (8) that protrudes from the spring base (7) for biasing the armature (2), wherein the spring base (7) comprises at least one embossment (9) for positioning the spring assembly (1) in the switching device (3).
H01H 51/06 - Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
In order to provide a solution in which smaller relays, in particular narrow relays, can be manufactured with standard materials, the invention shows a cradle (1) for a narrow relay (2), comprising a force introduction section (3) at which force is introduced from a triggering system (30), and a force diversion section (4) in which the introduced force is diverted to a contact system (40), wherein a direct connection line (5) between the force introduction section (3) and the force diversion section (4) runs through a receptacle (6) and a bottom (7) of the receptacle (6) is spaced apart from the direct connection line (5).
The invention relates to a monolithic carrier body (1) for a relay (2). Relays (2) often comprise carrier bodies (1) to which the parts of the relay (2) are mounted. Such carrier bodies (1) can comprise a base body (9) to which these elements are attached. However, in order to improve the insulation, additional insulation elements are often necessary. The object of the invention is to provide a carrier (1) body for a relay (2) with a minimum number of parts and a sufficient insulation performance. The object is achieved by a monolithic carrier body (1) for a relay (2), comprising a base body (9) from which a coil carrier (3) that is integral with the base body (9), and a contact element mount (5) that is integral with the base body (9) protrude away.
The invention relates to a magnetic flux assembly (1) for closing a magnetic circuit of a relay (20), and a relay (20). A problem associated with known relays is that high magnetic forces and thus a high current in the control circuit or a high number of windings in the coil are necessary for switching, in particular if a load circuit connected to the armature is closed in the open position of the magnetic flux assembly. The object of the invention is to provide a solution that allows an easier switching, in particular with a lower current. This object is achieved by a Magnetic flux assembly (1) for closing a magnetic circuit of a relay (20), comprising a yoke (3), and an armature (4) that is movable relative to the yoke (3), wherein the yoke (3) comprises a coil part (31) that is adapted to be received in a coil (35), and a flux conduction part (36) that is adapted to conduct the magnetic flux generated by the coil (35), and wherein the armature (4) is U-shaped.
H01H 50/42 - Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement
The invention is related to a spring member (5) for an electrical switching element, such as a relay, comprising at least one contact spring portion (7) with at least one contacting spot (9), and a base portion (13), from which the contact spring portion (7) extends, said base portion (13) comprising a terminal portion (15). In order to provide a spring member (5) for an electrical switching element and the same which can be used in small spaces, carry high currents and which can easily be adapted to different technical requirements, it is intended according to the invention that said base portion (13) comprises an extension (17) extending from said contact spring portion (7) to said terminal portion (15) said extension (17) protruding away from the remaining base portion (13).
The invention relates to a spring member (1) for an electric switching device (84) such as a cradle relay. The spring member (1) comprises a distal end (10) and a proximal end (8) opposite said distal end (10). A base portion (6) comprises said proximal end (10). A contact spring section (2) extends from the base portion (6) to the distal end (10) and is provided with a contacting spot (40). The spring member (1) comprises a return spring section (4) which extends from the base portion (6) alongside the contact spring portion (2). The spring member (1) according to the invention allows for a more compact and simpler design of the electric switching device (84) by replacing for example the armature (96).
The invention relates to a contact spring (1) for an electrical switching element, a cradle (79) for an electrical switching element and an electrical switching element, in particular a cradle relay. In order to provide a contact spring (1), a cradle (79) and an electrical switching element, whereby the mounting of a cradle (79) on at least one contact spring (1) is facilitated, and in order to provide a possibility of producing compact electrical switching elements, it is intended according to the invention for the contact spring (1) that the contact spring (1) has at least one hook-shaped attaching mechanism (27) with at least one material tongue (39) which is bent back towards the contact site (11) of the contact spring (1) at least in sections. For the cradle according to the invention, it is intended that the cradle has at least one attaching means (95) for a contact spring (1), wherein the at least one attaching means (95) has a contact spring shaft (97) which extends perpendicular to a connecting line (87) between an armature- side end (83) and a spring-side end (85) of the cradle (79). For the cradle relay, it is intended that a hook-shaped attaching mechanism (27) of a contact spring (1) is received in a contact spring shaft (97) of an attaching mechanism (95) of the cradle (79), wherein the contact spring shaft (97) extends in a straight line perpendicular to a connecting line (87) between an armature-side end (83) and a spring- side end (85) of a cradle (79), wherein the hook-shaped attaching mechanism (27) and the attaching means (95) form a form fit in an undetachable manner.
Switch element for use in a potentially explosive area A switch element, e.g. a relay, for use in a potentially explosive area has a base plate and a top (302), defining a cavity housing the switch contacts. The switch element also has an opening to the outside and is otherwise sealed to the outside. The opening spreads any escaping explosive energy that is released during an explosion within the switch element over a sufficiently long period of time such that the explosive energy escaping to the outside does not ignite the explosive mixture in the potentially explosive area. In prefered embodiments, the opening is a hole (305) covered by a grid (311) or mesh (312). Alternatively, the opening takes the form of a gap (105, 105') in the seam between the base plate (101) and the top (102) or takes the form of a hole (205) with a biconical or meandering form.
The invention relates to an electromagnetic relay 40 with a coil 20, with a yoke 3 and a moveably mounted armature 7, the armature with a face side 10 of a first end section 6 being arranged moveably in front of a face side 5 of a first arm 4 of the yoke 3, the first end section of the armature being able to be moved from an open position into a closed position dependently upon a current through the coil, in the closed position the end section 6 of the armature being located closer to the first arm 4 of the yoke than in the open position, the first end section 6 of the armature and/or the first arm 4 of the yoke having an overlap element (11, 31, 32), the overlap element being designed such that in the open position of the armature the overlap element is disposed over a side surface 15 of the yoke and/or over a side surface (35, 36) of the armature.
The invention relates to a switching contact (1) for contactors and relays, comprising a spring element (11, 12) and a contact element (13) that is connected, with material bonding, to the spring element (11, 12). Furthermore, the invention relates to a method of producing a switching contact (1), in particular for use in contactors and relays, which is made up of a spring element (11, 12) and a contact element (13), the spring element (11, 12) and the contact element (13) being connected to one another with material bonding. In order to produce a stable connection between the spring element (11, 12) and the contact element (13) that can be miniaturised as far as possible, provision is made according to the invention such that the switching contact (1) comprises at least two layers (9, 10), the contact element (13), resting against a first layer (9), being connected, with material bonding, to an additional layer (10).
The invention concerns a switching contact (6, 6', 6", 6"') for an electrical switching device (1, 1'), having a leaf feather-like actuation section (13, 13', 13", 13"'). Additionally, the invention concerns an electrical switching device (1, 1') with a switching contact (6, 6', 6", 6"') according to the invention. In order to provide a switching contact (6, 6', 6", 6"') that can be reliably opened even under short circuit conditions, the invention provides for the actuation section (13, 13', 13", 13"') to be less rigid in a switching direction (S) than in a counter switching direction (S') running counter to the switching direction (S).
The invention relates to a switch contact subassembly (2) for contactors and relays (1) comprising a contact element (6, 6') having a contact spring (16) which has a securing region (19, 19') and a contact region (21), between which a resilient portion (20) extends, and having a carrier (15) which is at least partially laterally in abutment with the contact spring (16) and which is connected to the contact spring (16). The invention further relates to a method for producing a switch contact subassembly (2), in particular for use in connectors and relays (1), wherein a contact element (6, 6') is composed of a contact spring (16) and a carrier (15) by the carrier (15) being connected to a securing region (19, 9') of the contact spring (16). In order to connect the carrier (15) to the contact spring (16) in the most intimate manner possible, there is provision according to the invention for the contact spring (16) and the carrier (15) to be welded to each other in the securing region (19, 19').
The present invention relates to an electric switching device (1), such as a relay, comprising a first and a second terminal (2, 4), a contact sub-assembly (6) having at least two contact members (8, 10) and configured to be moved from a connecting position (12), in which the contact members (8, 10) contact each other, to an interrupting position (14), in which the contact members (8, 10) are spaced apart from each other, a current path (16) extending, in the connecting position (12) of the contact sub-assembly (6) from the first terminal (2) via the contact sub-assembly (6) to the second terminal (4), said current path (16) being interrupted in the interrupting position (14) of the contact sub-assembly (6), a Lorentz force generator (1 8) comprising at least two conductor members (20, 22) located in the current path (1 6) and arranged to generate a Lorentz force (24) acting on the conductor members (20, 22) and generating a contact force (25) biasing the contact sub-assembly (6) into the connecting position (12), and at least one support Lorentz force generator (32) arranged to generate an enforcing Lorentz force (36) amplifying the contact force (25) biasing the contact sub-assembly (6) into the connecting position (12). The electric switching device (1) further comprises at least one support Lorentz force generator (32) arranged to generate an enforcing Lorentz force (36) amplifying the contact force (25) biasing the contact sub-assembly (6) into the connecting position (12).
H01H 1/54 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
The invention relates to an electric switching device (1 ), such as a relay, comprising a first (2) and second terminal (4), a contact sub-assembly (6) having at least two contact members (8, 10) and configured to be moved from a connecting position, in which the contact members (8, 10) contact each other, to an interrupting position (14), in which the contact members (8, 10) are spaced apart from each other, and a current path (16) extending, in the connecting position (12) of the contact sub-assembly (6), from the first terminal (2) to the second terminal (4) via the contact sub-assembly (6) and being interrupted in the interrupting position (14) of the contact sub-assembly (6). The electric switching device (1 ) further includes a Lorentz force generator (18) comprising at least two conductor members (34, 36) located in the current path (16) and arranged to generate a Lorentz force (38) acting on the conductor members (34, 36). The Lorentz force (38) is, in the present invention, mechanically translated into an opening force (40) in the contact sub-assembly (6), the opening force (40) biasing the contact sub-assembly (6) into the interrupting position (14).
H01H 77/10 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting in which the excess current itself provides the energy for opening the contacts, and having a separate reset mechanism with electrodynamic opening
19.
CONTACT ELEMENT, RELAY COMPRISING A CONTACT ELEMENT AND METHOD FOR PRODUCING A CONTACT ELEMENT
The invention relates to a contact element (1) for repeated, releasable contacting of a counter-contact element in a contact direction (4), a relay having a contact element (1) and a method for producing a contact element (1). An object of the present invention is to provide a cost-effective contact element which is particularly suitable for use in relays having force-guided contacts ("safety relays") or other safety-relevant components. Another object of the invention is to provide a method for producing such a contact element. The object is achieved with a contact element (1) in which a base portion (2) and a contact portion (3) are connected to each other in a positive-locking manner. A method according to the invention for producing such a contact element (1) comprises the steps of placing (90) a positive-locking element (50, 50d) of a first portion (93) on a second portion (92) and producing a positive-locking connection between the first portion (93) and the second portion (92).
The invention relates to a relay comprising a magnet system (3, 12) with which an armature (5) can be brought into a first position or second position, and comprising at least one make contact (2) and at least one changeover contact (6) which can be separated from the make contact by means of spring force, an actuating element (4) being provided which transmits the movement of the armature onto the changeover contact such that in a first position of the armature there is exerted on the changeover contact a tensile force by which the changeover contact can be moved towards the make contact against the spring force, the actuating element being arranged to exert a compressive force onto the changeover contact for opening fused contacts in a second position of the armature in that the actuating element is engaged on the changeover contact in a variable spacing such that in the first position of the armature, a spacing is formed such that when the armature is moved from the first position into the second position, the actuating element strikes the fused changeover contact shortly before the armature reaches the second position.
A coil former (104) for an electromagnetic relay (100) is configured to receive a core (126) and a coil winding (124). The coil former (104) comprises a first coil flange (108) and a second coil flange (110), between which a winding area (116) for fixing the coil winding (124) is arranged. At least one of the coil flanges (108, 110) is formed in such a way that, in a region of a periphery of the coil former (104), it ends so as to be flush with the winding area (116) of the coil former (104). Also, a coil body (102) for an electromagnetic relay (100) comprises a base (106) integrally connected to a coil former (104). The coil former (104) or the coil body (102) is formed such that, in the production thereof, it has no more than three de-moulding directions (118, 120, 122) for a master mould.
A power supply unit (202) in an electromechanical appliance (200) comprises a voltage transformer for generating an internal supply voltage (206, 208, 210, 212) from an external input voltage (204) and an output terminal for outputting the internal supply voltage (206, 208, 210, 212) to electronic and mechanical components (216, 218, 220, 222). The power supply unit (202) is configured as a modular component suitable for assembly in various electromechanical appliances (200). Furthermore, a power supply and communication system comprises a power supply unit (202) and a control unit (224) which can be connected to and operated with an external input signal in order to trigger the electronic and mechanical components (216, 218, 220, 222). The control unit (224) is configured as a modular component for various electromechanical appliances (200) and, during operation, is supplied with an associated internal supply voltage (214) by the power supply unit (202).
A magnet system for an electromechanical switching device. The magnet system having an electromagnetic coil system. An iron circuit having a core and a yoke partially surrounded by the electromagnetic coil system. The iron circuit having a magnetic field excited by the electromagnetic coil system. A permanent magnet arranged outside of the iron circuit that has field lines superimposed by the magnetic field of the electromagnetic coil system. The field lines of the permanent magnet strengthen the magnetic field of the electromagnetic coil system in a first region and weaken the magnetic field of the electromagnetic coil system in a second region such that the magnetic field in the first region and the magnetic field in the second region balance each other.
