EP0876674A1 - Elektromagnetisches relais in schmaler bauweise und verfahren zu dessen herstellung - Google Patents
Elektromagnetisches relais in schmaler bauweise und verfahren zu dessen herstellungInfo
- Publication number
- EP0876674A1 EP0876674A1 EP97906083A EP97906083A EP0876674A1 EP 0876674 A1 EP0876674 A1 EP 0876674A1 EP 97906083 A EP97906083 A EP 97906083A EP 97906083 A EP97906083 A EP 97906083A EP 0876674 A1 EP0876674 A1 EP 0876674A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- base body
- plane
- carrier
- spring
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/548—Contact arrangements for miniaturised relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0056—Apparatus or processes specially adapted for the manufacture of electric switches comprising a successive blank-stamping, insert-moulding and severing operation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/026—Details concerning isolation between driving and switching circuit
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49105—Switch making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/5313—Means to assemble electrical device
- Y10T29/532—Conductor
- Y10T29/53248—Switch or fuse
Definitions
- Electromagnetic relay in a narrow design and process for its manufacture
- the invention relates to an electromagnetic relay with a narrow, elongated base body made of insulating material, which defines a base plane with its underside and carries an electromagnet system and a contact arrangement on its top side, the contact arrangement contact carrier in the form of at least one fixed contact carrier and at least one movable contact spring, possibly connected to a spring support, the flat connecting lugs of which are all in a common sheet metal plane parallel to the longitudinal axis of the base body and perpendicular to the base plane, which are anchored with a central section in the base body and whose contacting end sections due to Bends face each other with a predetermined contact distance, at least the fixed contact carriers are embedded in the material of the base body.
- the contact arrangement contact carrier in the form of at least one fixed contact carrier and at least one movable contact spring, possibly connected to a spring support, the flat connecting lugs of which are all in a common sheet metal plane parallel to the longitudinal axis of the base body and perpendicular to the base plane, which are anchored with
- Invention a method for producing such a relay.
- the row and the position of the connecting lugs in a single sheet metal plane result in an advantageous production because the partially cut-out contact carrier elements, which are still connected to the circuit board, enable easy handling in the production process and precise positioning in the base body.
- the contacting sections of the contact carriers are arranged together with an armature below a coil winding with a gate-shaped iron core, the actuation direction being transverse to the longitudinal axis of the relay structure. Due to the nesting of armature and contact springs, the insulation between the magnet system and the load circuit is problematic. Height Currents cannot be switched with this system due to the insufficient insulation distances.
- a changeover contact is difficult to implement with this structure; at least such a changeover contact would go at the expense of the narrow construction in the direction of actuation mentioned.
- the aim of the present invention is to create a narrow electromagnetic relay of the type mentioned at the outset and to provide a method for its production which, with any contact configuration as make contact, break contact and in particular as a changeover contact, always enables the same narrow construction, at the same time compared to large insulation distances allows the magnet system and enables a particularly simple manufacture by arranging the connecting lugs in a single sheet metal plane; the connecting lugs should be able to be embedded in the base body, at least in part, hanging from a circuit board.
- this goal is achieved with a relay of the named type in that all contact elements are each angled with their central portion in the area of the anchoring in the base body in such a way that their contacting end portions from their point of exit from the base body in a single row, but in parallel to each other, to the base plane and to the plane of the connecting lugs are vertical planes, and that each contact spring is operated in the direction of the longitudinal axis of the relay.
- the contact-giving sections of the contact carriers are thus transverse to the longitudinal axis of the relay, which enables actuation in the direction of this longitudinal axis. Since the contact carriers are only arranged in one row in any case, a narrow structure of the relay is guaranteed in any case, since the width is determined by the size of the magnet system and a changeover contact does not increase the width. Two contact sets could even be arranged one behind the other in the longitudinal direction of the relay and actuated by a longitudinal slide.
- the connecting lugs of the contact carriers do not extend parallel to their contacting sections here, * rather the common plane of the connecting lugs is perpendicular to the planes of the contacting sections .
- the transition from the connection level of the contact carrier to the respective levels of the contacting end sections takes place in the anchoring area within the base body.
- the parts protruding from the base body are thus aligned in their respective planes and are no longer curved; as a result of the anchoring in the base body, they can be brought very precisely into their end position and fixed in this.
- the contact carriers are expediently angled in their central portion anchored in the base body by at least two mutually perpendicular bending axes, as a result of which the transition from the plane of the connecting lugs to the respective contact plane is accomplished, but at the same time a material-saving extraction of the contact carrier from the board is made possible. Due to the angling in the area of the base body, the connecting lugs can have a desired large insulation distance from one another, while their contact-giving end sections receive the necessary short contact distance.
- two fixed contact carriers are embedded in the material of the base body for a changeover contact, while a spring support lying between them is inserted into a laterally open slot of the base body with a contact spring attached to it.
- the design of the contact arrangement according to the invention can be realized particularly advantageously in a relay in which the base body has a partition between the magnet system and the contact arrangement and an insulating wall perpendicular to the bottom side on a long side of the base body; In this case, there is a particularly favorable insulation between the contact carriers and the magnet system if the plane of the connecting lugs runs on one side in the area below the longitudinal insulating wall.
- a base body is first molded from plastic and provided with the contact carriers, an electromagnet system then being mounted on this base body;
- at least one contact carrier is made from a sheet metal blank with a connecting lug, a middle section and a contact-making end section cut free in such a way that it still hangs on the circuit board with its respective connection lug, then the middle section of each contact carrier is bent out of the board level in such a way that the contacting end section is in its own to the base plane and the plane of the board is perpendicular, and then the base body is formed by embedding the respective central sections in plastic, after which the connecting lugs are finally separated from the sheet metal board.
- FIG. 1 shows two successive sections of a sheet metal blank in the production sequence with a pair of fixed contact carriers in two successive processing stages
- FIG. 2 shows the sheet blank section of FIG. 1 in a perspective view
- FIG. 3 shows the sheet blank section of FIG. 2 in a further manufacturing stage
- FIG. 4 shows a relay base body obtained by extrusion coating of a sheet-metal board section with an additional plug-in contact spring
- FIG. 5 shows a relay system (without housing cap) which is fully assembled on the base body of FIG.
- FIGS. 1 to 4 show how a relay main body with a contact arrangement is obtained by partially overmolding a sheet metal plate in the various process steps.
- Two fixed contact carriers 2 and 3 are obtained from a circuit board 1 and processed one after the other in the production run. 1 and 2 show these fixed contact carriers in a first process stage I and in a second process stage 11.
- the fixed contact carriers 2 and 3 are each cut free from the circuit board. They each have a connecting tab 21 or 31, a middle section 22 or 32 for embedding in the base body to be described later and a contacting end section 23 or 33, which is already provided with a fixed contact 24 or 34 at this stage.
- the middle section 22 and 32 By bending the middle section 22 and 32 about mutually perpendicular bending lines 25, 26 and 27 or 35 and 36, the process stage II is reached, in which the two contacting end sections 23 and 33 are parallel to each other with their fixed contacts 24 and 34.
- stage II can be seen once again, as in FIG. 2, to which stage III follows.
- a plastic base body 4 of the relay is formed by molding around the middle sections 22 and 32, which is connected to the board 1 on the one hand via the connecting lugs 21 and 31 (shown in FIG. 4), while the end sections 23 and 33 are connected on the other hand the fixed contact carrier protrude from the plastic of the base body.
- the bends of the fixed contact carriers are therefore completely embedded in the plastic. All that is visible are the connecting lugs 21 and 31 lying in the plane of the circuit board 1 and the contact-making end sections 23 and 33 lying in planes perpendicular thereto.
- the fixed contacts can be positioned very precisely with respect to the base body.
- the base body 4 forms a contact block 41 which, with ribs and grooves, forms large insulating sections from the magnet system.
- the base body 4 forms a base plate 42, the underside of which defines a base plane 11.
- the base body has an insulating wall 43 standing perpendicular to the base plate and on one long side a longitudinal wall 44 which, together with a ceiling wall 45, forms a half-shell for receiving one end of the magnet system to be described.
- a receiving slot 5 is provided between the two fixed contact carriers 2 and 3 for the plug-in fastening of a contact spring 6.
- the contact spring itself is fastened on a spring support 62 with a connecting lug 61, for example by spot welding.
- the spring support 62 is angled relative to its connecting lug 61 about a bending axis 65; in addition, the contact spring 6 is angled upward about a perpendicular bending axis 66.
- the spring section 63 carrying a contact 64 lies in a plane perpendicular to the plane of the connecting lug 61.
- the connecting lugs 21 and 31 After the connecting lugs 21 and 31 have been disconnected, they are on the dashed lines 28 and 38 and after the contact spring arrangement has been inserted 6 in the slot 5, the connecting lug 61 lies in one plane with the connecting lugs 21 and 31, while the contacting section 63 of the contact spring 6 lies parallel between the two contacting end sections 23 and 33 of the fixed contact carrier.
- the spring support 62 With the fixed contact supports 2 and 3 out of the circuit board 1, the resolution of the individual sections having to take place somewhat differently than according to FIG. 1.
- the contact spring 6 could then be applied to the cut-out spring support 62 and overmolded together with the latter and the fixed contact supports during the formation of the base body. If one and the same spring plate material can be used both for the contact spring and for the fixed contact carrier, all of these parts could be cut free and overmolded together.
- a slide 8 transmits the switching movement of the armature 73 to the end section 67 of the contact spring 6, as a result of which the semi-circular cut-free contacting section 63 of the spring is actuated.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Switches (AREA)
- Burglar Alarm Systems (AREA)
- Contacts (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- General Induction Heating (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19602643A DE19602643A1 (de) | 1996-01-25 | 1996-01-25 | Elektromagnetisches Relais in schmaler Bauweise und Verfahren zu dessen Herstellung |
DE19602643 | 1996-01-25 | ||
PCT/DE1997/000030 WO1997027604A1 (de) | 1996-01-25 | 1997-01-09 | Elektromagnetisches relais in schmaler bauweise und verfahren zu dessen herstellung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0876674A1 true EP0876674A1 (de) | 1998-11-11 |
EP0876674B1 EP0876674B1 (de) | 1999-06-23 |
Family
ID=7783667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97906083A Expired - Lifetime EP0876674B1 (de) | 1996-01-25 | 1997-01-09 | Elektromagnetisches relais in schmaler bauweise und verfahren zu dessen herstellung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6111487A (de) |
EP (1) | EP0876674B1 (de) |
AT (1) | ATE181617T1 (de) |
BR (1) | BR9707201A (de) |
DE (2) | DE19602643A1 (de) |
WO (1) | WO1997027604A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6565565B1 (en) * | 1998-06-17 | 2003-05-20 | Howmedica Osteonics Corp. | Device for securing spinal rods |
DE10209810B4 (de) * | 2001-03-09 | 2006-11-16 | Omron Corporation | Relais |
GB0110948D0 (en) * | 2001-05-04 | 2001-06-27 | Tyco Electronics Amp Gmbh | Bus controlled relays |
DE102006036613B3 (de) * | 2006-08-04 | 2008-04-10 | Tyco Electronics Austria Gmbh | Relais mit einer Konkaktanordnung aus Kontaktfedern |
JP4952324B2 (ja) * | 2007-03-22 | 2012-06-13 | オムロン株式会社 | 電磁継電器 |
JP4946559B2 (ja) * | 2007-03-22 | 2012-06-06 | オムロン株式会社 | 電磁継電器 |
TW201029037A (en) * | 2009-01-21 | 2010-08-01 | Good Sky Electric Co Ltd | Electromagnetic relay and assembling method of its electromagnet unit |
JP2012028253A (ja) * | 2010-07-27 | 2012-02-09 | Fuji Electric Fa Components & Systems Co Ltd | 接点機構及びこれを使用した電磁接触器 |
CN102856121B (zh) * | 2011-06-27 | 2015-08-26 | 厦门宏发开关设备有限公司 | 一种采用塑料卡件固定静触头的接触器 |
JP2014165152A (ja) * | 2013-02-27 | 2014-09-08 | Fujitsu Component Ltd | 電磁継電器 |
DE102013212607B4 (de) * | 2013-06-28 | 2024-02-01 | Te Connectivity Austria Gmbh | Schaltkontaktbaugruppe und Verfahren zu deren Herstellung |
JP2015035403A (ja) * | 2013-08-09 | 2015-02-19 | オムロン株式会社 | 接点機構およびこれを用いた電磁継電器 |
CH713442B1 (de) * | 2017-02-08 | 2021-03-31 | Elesta Gmbh Ostfildern De Zweigniederlassung Bad Ragaz | Relais. |
JP7253906B2 (ja) * | 2018-11-30 | 2023-04-07 | 富士通コンポーネント株式会社 | 電磁継電器の端子、及び電磁継電器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6029348U (ja) * | 1983-08-01 | 1985-02-27 | オリジナル電機株式会社 | リレ−組体 |
DE3414731C2 (de) * | 1984-04-18 | 1986-03-20 | Hengstler GmbH, Geschäftsbereich Haller-Relais, 7209 Wehingen | Kleinstrelais |
US4758809A (en) * | 1987-09-17 | 1988-07-19 | Potter And Brumfield Inc. | Electromagnetic relay having a multifunction retaining spring |
JPH01102827A (ja) * | 1987-10-14 | 1989-04-20 | Fuji Electric Co Ltd | 電磁リレーの接点ばね装置の製造方法 |
DE3835105A1 (de) * | 1988-01-26 | 1989-08-03 | Fuji Electric Co Ltd | Elektromagnetisches relais |
US5289144A (en) * | 1992-08-21 | 1994-02-22 | Potter & Brumfield, Inc. | Electromagnetic relay and method for assembling the same |
AT404768B (de) * | 1993-07-02 | 1999-02-25 | Schrack Components Ag | Relais |
DE29507780U1 (de) * | 1995-05-11 | 1995-08-17 | Kosowski Dimiter Dr Ing | Elektromagnetisches Relais |
-
1996
- 1996-01-25 DE DE19602643A patent/DE19602643A1/de not_active Withdrawn
-
1997
- 1997-01-09 DE DE59700232T patent/DE59700232D1/de not_active Expired - Lifetime
- 1997-01-09 AT AT97906083T patent/ATE181617T1/de active
- 1997-01-09 WO PCT/DE1997/000030 patent/WO1997027604A1/de active IP Right Grant
- 1997-01-09 EP EP97906083A patent/EP0876674B1/de not_active Expired - Lifetime
- 1997-01-09 BR BR9707201A patent/BR9707201A/pt not_active Application Discontinuation
- 1997-01-09 US US09/101,056 patent/US6111487A/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9727604A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19602643A1 (de) | 1997-07-31 |
EP0876674B1 (de) | 1999-06-23 |
ATE181617T1 (de) | 1999-07-15 |
WO1997027604A1 (de) | 1997-07-31 |
US6111487A (en) | 2000-08-29 |
DE59700232D1 (de) | 1999-07-29 |
JP3788518B2 (ja) | 2006-06-21 |
BR9707201A (pt) | 1999-04-06 |
JP2000506666A (ja) | 2000-05-30 |
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