Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H50/00—Details of electromagnetic relays
  • H01H50/02—Bases; Casings; Covers
  • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
  • H01H50/041—Details concerning assembly of relays
  • H01H50/045—Details particular to contactors
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H50/00—Details of electromagnetic relays
  • H01H50/44—Magnetic coils or windings
  • H01H50/443—Connections to coils
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
  • H01H2300/042—Application rejection, i.e. preventing improper installation of parts
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H50/00—Details of electromagnetic relays
  • H01H50/02—Bases; Casings; Covers
  • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit

Definitions

• the invention relates to an electromagnetic contactor according to the preamble of claim 1.
• a contactor is known from the publication DE 199 39 020 A1, each of which contains a lower housing part and upper housing part made of insulating molding material. Arranged in the lower housing part is a fixed magnetic yoke, a magnet armature that is movable relative to it, and a magnet coil encompassing the magnet yoke.
• Main contacts which consist of contact bridges connected to the magnet armature and fixed contacts which can be connected to and disconnected therefrom, main conductors which are conductively connected to the fixed contacts and control terminals which are conductively connected to the coil ends, are arranged in the upper part of the housing.
• the control terminals are arranged in a plane behind the level of the main terminals when looking at the front of the housing.
• a plug-in connection module for the electrical connection with two mating connections, which are connected inside the housing to the magnet coil of a magnet drive, is known.
• the counter-connections opening to the front of the housing are located in the direction of the front of the housing in front of the level of the main terminals, the main connection openings of which are formed in the sides of the housing running perpendicular to the front of the housing.
• the invention is therefore based on the object of facilitating the connection of the control lines when the main power lines are already connected.
• connection module is designed and arranged on the upper part of the housing in such a way that the control terminals are located in front of the main terminals in the direction of view of the front of the housing. This enables the connection of the control lines without time-consuming and costly hindrance due to the main current lines already connected.
• the control terminals are electrically connected to internal control sockets, which in turn are connected to the coil connections. This enables the extensive use of connection modules of the same size for contactors of different sizes.
• connection module has a front cover part and a rear base body.
• cover In the cover the actuating openings provided for the entry of a tool to the control terminals are formed.
• the connecting conductors emerge from the rear of the main body into the main housing.
• the control terminals inserted between them are fixed.
• the connection module is attached and fixed to the upper part of the housing. Conveniently left lateral recesses between the cover part and the base body serve as control connection openings.
• control terminals are connected in one piece to the connecting conductors which are designed in the form of strips.
• control terminals change into claw-like knife sockets for receiving the control-end-side conductor ends of the strip-like connecting conductors.
• connection module extensions extending from the control terminals to the inside of the connection module extend in which socket-like recesses are provided, into which an additional module, for example a protective circuit, can be connected to the magnetic coil via plug openings formed in the cover part.
• FIG. 1 a first embodiment of the contactor according to the invention in the fully assembled state
• FIG. 2 the contactor from FIG. 1 in an incompletely assembled state
• 3 and 4 different representations of the assembled connection module from FIG. 1
• 5 an exploded, enlarged view of the connection module from FIGS. 4 and 5
• 6 a second embodiment of the contactor according to the invention in partial representation
• FIG. 7 an illustration of the assembled connection module from FIG. 6;
• connection module 8 an exploded, enlarged view of the connection module from FIG. 7; 9: the individual representation of a connecting conductor from FIG. 6.
• the contactor 10 is converted from a main housing 11, which consists of a lower housing part 12 and a housing upper part 13 which can be locked with this.
• the upper housing part 13 is closed on the housing front 15 by a housing cover 14.
• the contactor 2 has three main contacts, which are mounted in the upper housing part 13.
• the main contacts consist of a pair of fixed contacts, which can be connected by a movable contact bridge.
• the fixed contacts are connected to the main terminals 18 on the feed side or on the load side.
• the main terminals 18 are accessible on the two opposite main connection sides 20 via main connection openings 22 for main current lines to be connected.
• the main terminals 18 can be actuated by means of a screwdriver via screw openings 24 on the front, recessed in the housing cover 14.
• the contactor 10 also has a magnetic drive 26.
• the magnetic drive 26 consists of a U-shaped magnet yoke 27 fastened in the lower housing part 12, one of the two outer legs of the
• Magnetic yoke 27 with two partial coils encompassing magnetic coil 28 and a magnetic armature 29 which is coupled to the contact bridges.
• the upper housing part 13 has a housing side 16 which runs both perpendicular to the housing front 15 and perpendicular to the main connection sides 20.
• connection module 30 is fastened to the upper housing part 13 and thereby closes with the housing front 15 of the main housing. from 11.
• the connection module 30 serves, in a manner to be explained in more detail, for establishing an electrical connection of the magnet coil 28 with control lines.
• the connection module 30 has control connection openings 32 on opposite control connection sides 31, via which the control lines are to be introduced into control terminals 40.
• the control terminals 40 are preferably as
• Screw terminals or designed as cage clamps To actuate the control terminals 40 when connecting or disconnecting the control lines, front-side actuation openings 33 are provided in the connection module 30 for inserting a tool.
• the control terminals 40 are located in front of the main terminals 18 with a view of the housing front 15. This advantageous spatial arrangement means that the control connection opening 32 is freely accessible to the control lines in the case of main power lines which are usually already connected.
• connection module 30 is shown in detail in FIGS. 3 to 5.
• the connection module 30 consists of a base body 34, a front cover part 35 and the two control terminals 40.
• the control terminals 40 are fixed between the base body 34 and cover part 35 when they are joined together, latching lugs 36 of the cover part 35 in latching openings 37 of the base body 34 engage.
• the control connection openings 32 remain recessed between the latched cover part 35 and the base body 34.
• Each control terminal 40 merges in one piece into a strip-shaped connecting conductor 41 in the direction facing away from the cover part 35.
• the connecting conductors 41 emerge from the rear of the base body 34 through outlet openings 38.
• Each control terminal 40 integrally merges with the inside of the cover part 35 into a strip-shaped extension 42.
• the extensions 42 are widened at the ends to form a slot-shaped, bush-like recess 43.
• the recesses 43 are in the assembled state of the connection module 30 in the extension of slot-shaped plug-in openings 44 which are formed in the cover part 35 on the front side.
• Two mounting hooks 39 protrude from the cover part 35 and engage in corresponding receptacles in the upper housing part 13.
• two control sockets 45 are fastened in the lower housing part 12 and are conductively connected to the coil ends of the magnetic coil 28.
• connection module 30 When the connection module 30 is placed on the upper housing part 13 of the assembled main housing 12, the connecting conductors 41 engage with one each with their free ends of the control sockets 45. This creates conductive connections between the control terminals 40 and the solenoid 28.
• an additional module 90 can be placed on the connection module 30.
• the additional module 90 has two connection pins 94 on the rear. When attaching the additional module 90, the connecting pins 94 reach through the plug openings 44 and make contact with the socket-like recesses 43 in the interior of the connecting module 30.
• the additional module 90 is thus conductively connected to the solenoid 28.
• a protective circuit for the solenoid 28 is preferably accommodated in the additional module 90.
• FIG. 6 shows a three-pole contactor 50 for medium and large rated currents with a main housing 51 comprising a lower housing part (not shown) and a housing upper part 53 which can be closed on the housing front 55 by a housing cover 54.
• the main terminals 58 are accessible on the two opposite main connection sides 60 via main connection openings 62 ,
• the contactor 50 also has a magnetic drive, of which only the magnetic coil 68 indicated by its coil winding body is shown.
• the upper housing part 53 has a housing side 56 which runs both perpendicular to the housing front 55 and perpendicular to the main connection sides 60.
• the middle part of the housing side 56 which runs vertically in the illustration in FIG. 6, has been removed from the image in order to make parts of the interior of the contactor 50 visible.
• the housing side 56 is set back in the direction of the opposite housing side 57 to form a step 59 which is limited on both sides.
• a connection module 70 is fastened to the housing upper part 53 and projects above the housing front 55. According to FIGS. 6 and 7, the connection module 70 has control connection openings 72 on opposite control connection sides 71, via which the
• Control lines are to be inserted into control terminals 80.
• the control terminals 80 are preferably designed as screw terminals or as cage clamp terminals.
• Actuating openings 73 on the front are provided in the connection module 70 for actuating the control terminals 80 when connecting or disconnecting the control lines.
• the control terminals 80 are located facing the housing front 55 the main terminals 58. This advantageous spatial arrangement means that the control connection openings 72 are freely accessible to the control lines in the case of main power lines which are usually already connected.
• the connection module 70 is shown in detail in FIGS. 7 to 9.
• the connection module 70 consists of a base body 74, a front cover part 75 and the two control terminals 80.
• the control terminals 80 are fixed between the base body 74 and cover part 75 when these are joined together, latching lugs 76 of the cover part 75 latching into locking openings 77 of the base body 74.
• the control connection openings 72 remain recessed between the latched cover part 75 and the base body 74.
• Each control terminal 80 merges in one piece into a claw-like knife bushing 86 in the direction facing away from the cover part 75.
• Each control terminal 80 merges inwardly within the cover part 75 into a strip-shaped extension 82.
• the extensions 82 each have a slot-shaped, bush-like recess 83.
• connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next time the connection module 70 used in the gradation 59 is the next
• Upper housing part 53 is locked by the housing cover 54 with the mounting hook 79.
• two strip-shaped connecting conductors 81 are provided, which are angled in two opposite directions at their two conductor ends 87 and 88.
• Coil body of the solenoid 68 has two control sockets 85, which are conductively connected to the coil ends.
• the connecting conductors 81 each contact one of the control sockets 85 with their coil-side conductor ends 88 and one of the knife sockets 86 provided with sufficient self-suspension with their control terminal-side conductor ends 87, the connecting conductors 81 in the rear kick the body 74. This creates conductive connections between the control terminals 80 and the solenoid 68.
• the connection module 70 can be placed on contactors of different sizes by appropriate geometric adaptation of the connecting conductors 81 become. With the plug openings 84 and the socket-like recesses 83, the connection module 70 is also suitable for accommodating an additional module 90 shown in FIG. 1.

Landscapes

• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Switch Cases, Indication, And Locking (AREA)
• Electromagnets (AREA)
• Magnetically Actuated Valves (AREA)
• Structure Of Telephone Exchanges (AREA)
• Coupling Device And Connection With Printed Circuit (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=34638854

Family Applications (1)

Country Status (9)

Families Citing this family (17)

Family Cites Families (10)

• 2004
  • 2004-02-27 DE DE102004009650A patent/DE102004009650B3/de not_active Expired - Fee Related
• 2005
  • 2005-02-25 CN CNB2005800014963A patent/CN100485845C/zh active Active
  • 2005-02-25 EP EP05716802A patent/EP1618578B1/fr active Active
  • 2005-02-25 AT AT05716802T patent/ATE431961T1/de not_active IP Right Cessation
  • 2005-02-25 US US10/598,353 patent/US7474182B2/en active Active
  • 2005-02-25 DE DE502005007306T patent/DE502005007306D1/de active Active
  • 2005-02-25 ES ES05716802T patent/ES2325863T3/es active Active
  • 2005-02-25 WO PCT/EP2005/050810 patent/WO2005083733A1/fr active Application Filing
  • 2005-02-25 JP JP2006552637A patent/JP4331758B2/ja active Active
• 2007
  • 2007-04-03 HK HK07103575.0A patent/HK1096488A1/xx not_active IP Right Cessation

Non-Patent Citations (1)

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