EP1025574B1 - Elektromagnetisches relais - Google Patents

Elektromagnetisches relais Download PDF

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Publication number
EP1025574B1
EP1025574B1 EP98951232A EP98951232A EP1025574B1 EP 1025574 B1 EP1025574 B1 EP 1025574B1 EP 98951232 A EP98951232 A EP 98951232A EP 98951232 A EP98951232 A EP 98951232A EP 1025574 B1 EP1025574 B1 EP 1025574B1
Authority
EP
European Patent Office
Prior art keywords
contact
relay according
reel
relay
section
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.)
Expired - Lifetime
Application number
EP98951232A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1025574A1 (de
Inventor
Josef Kern
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.)
TE Connectivity Solutions GmbH
Original Assignee
Tyco Electronics Logistics AG
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 Tyco Electronics Logistics AG filed Critical Tyco Electronics Logistics AG
Publication of EP1025574A1 publication Critical patent/EP1025574A1/de
Application granted granted Critical
Publication of EP1025574B1 publication Critical patent/EP1025574B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/14Terminal arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H49/00Apparatus or processes specially adapted to the manufacture of relays or parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • H01H50/04Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041Details concerning assembly of relays
    • H01H50/042Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/02Bases; Casings; Covers
    • H01H50/04Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H2050/049Assembling or mounting multiple relays in one common housing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings
    • H01H2050/446Details of the insulating support of the coil, e.g. spool, bobbin, former
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/18Movable parts of magnetic circuits, e.g. armature
    • H01H50/24Parts rotatable or rockable outside coil
    • H01H50/26Parts movable about a knife edge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/16Magnetic circuit arrangements
    • H01H50/36Stationary parts of magnetic circuit, e.g. yoke
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/44Magnetic coils or windings
    • H01H50/443Connections to coils
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00Details of electromagnetic relays
    • H01H50/54Contact arrangements

Definitions

  • Such a relay is constructed, for example, from the US 4,596,972.
  • the contact spring encloses it in an arc the anchor bearing and is with its connecting section attached to the yoke, the yoke in turn one down integrally formed connector pin.
  • the fixed contact carriers and if necessary, the contact spring connector pin each manufactured as stamped parts and by plugging in preformed shafts and openings of the coil body or a base and then by a notching process or determined by self-pressure.
  • This structure has the disadvantage that the parts either for tolerance reasons not stuck positively in the plastic part or that at during assembly due to overlapping of parts, particles are rubbed off become. These particles can later in the relay, for example on the contacts, in the anchor bearing or in the working air gap, lead to problems. A high level must then be used in production Effort to be driven through the resulting particles To eliminate blowing or suction devices.
  • the aim of the present invention is to provide a relay of the input mentioned type with a simple structure to create that with few parts is also easy to manufacture.
  • the construction is intended to use particularly cheap semi-finished materials and particularly material-saving and waste-free Allow manufacturing process, making the relay produced particularly economically and nevertheless with high quality can be.
  • this goal is at a relay of the beginning mentioned type achieved in that the contact spring pin and the at least one fixed contact carrier drawn or rolled wire and into the bobbin are embedded.
  • wire connection elements there is one for the load circuit connections particularly inexpensive and material-saving production of the relay. Because the semi-finished wire directly from the supply roll inserted into the injection mold and embedded there no punching or bending tools are required. Also the coil connections used in the usual way are preferably in the same way in the Mold with molded. The wire can either be overmolded or immediately after injection molding through the injection mold be separated, with no waste. By using drawn or rolled wires with a simple, preferably round or rectangular profile, the sealing of the injection mold is also easy, because no punch burrs or the like have to be taken into account. Since the relay has no punched parts, no plastic particles scraped off during assembly, that affect the contact surfaces or pole faces could.
  • the relay has only one Fixed contact with the contact spring as a make or break contact cooperates and accordingly on one or the other Side of the spring end arranged with the movable contact becomes.
  • a changeover contact can also be used are generated, with a second fixed contact carrier a second fixed contact opposite the first in the same bobbin flange is anchored.
  • the contact spring connector pin in the first coil flange that is, in the area of the control room, embedded, and the Connection section of the contact spring is directly on a section of the yoke parallel to the bearing edge of the yoke Pin attached.
  • the anchor lies with its end of the bearing in this case between the yoke end and the connecting pin, while the connection section of the contact spring on the Bearing end of the armature passed over to the connecting pin and on attached, preferably welded or brazed, is.
  • the contact spring connector pin just like the fixed contact carrier made of square wire.
  • the core arranged in the coil tube preferably has one Pole plate with eccentrically enlarged towards the armature bearing Pole face. This means that even with small relay dimensions on the one hand, an adequate isolation distance from the fixed contacts and on the other hand generates a sufficiently large pole area become.
  • the Core embedded in the manufacture of the bobbin be, so that a subsequent plugging process is not necessary.
  • the core can be round or round have a rectangular cross section. It is also possible to add a round (or rectangular) core afterwards to insert into a through opening of the bobbin.
  • it is advantageous to use the core surface in the Warts should be stamped near the pole plate later relaxation of the thermoplastic coil body material form a positive connection and thus a mutual fixation the core pole face and the bearing edge of the yoke.
  • the contact spring with the anchor bearing angularly enclosing fastening section is attached to the yoke and that one over the attachment portion folded connector section to the connector pin is managed and connected to it.
  • a relay for high load currents ensures that a large spring cross section for guiding the load current until the pin is available.
  • the relay shown in Figures 1 to 5 has as a load-bearing Part of a coil former 1 with a coil tube 11, a first flange 12 and a second flange 13.
  • the first Flange 12 forms an extension into which a control room 14 is molded, which is closed at the bottom with a bottom 15 and thus defines the connection side of the relay.
  • a winding 2 is attached to the coil tube 11.
  • first flange 12 In the extension of the first flange 12 are two fixed contact carriers 3 and 4 and a contact spring pin 5 embedded by overmoulding, which is made from highly conductive semi-finished products Material, for example copper, as square wire are executed. Instead of the wire shown with square Cross section could also be one with rectangular or with round cross section can be used.
  • the two fixed contact carriers are with each other on the facing surfaces provided a fixed contact, namely a first fixed contact 6, which acts as a make contact, and with one second fixed contact 7, which serves as a break contact. These contacts are each made as contact pieces from a semi-finished contact material band cut off and attached to the fixed contact carrier 3 or 4 welded or (preferably) brazed.
  • Two other wires preferably with a smaller cross section are as coil pins 9 and 10 in the second and in first flange arranged diagonally offset and in the same Embedded like the load connections.
  • These coil connector pins are preferably of square cross-section run to better tightening the winding of the Reach winding ends before their material connection. This is preferably done by means of a TIG welding or TIG soldering, in which a flux-free and therefore particle-free connection is achieved.
  • the core 16 can be formed when the coil former 1 is formed these, that is to say embedded in the coil tube 11, so that the later insertion is not necessary (see Figure 3).
  • the core end protruding over the coil former serves 19 for centering the core in the injection mold.
  • the burn-off safety (the overstroke) of the anchor for the lifetime a normally open contact in an overmolded core to ensure the anchor in the area below the movable contact spring end a free stamping 22b so that an air gap between the contact spring 23 and the armature 22 28 arises.
  • side constrictions 22c is also specified a predetermined bending point. It enables an increase the overstroke when the armature is under force from the coil axis is slightly kinked.
  • the core and the yoke for example by a notch connection in the area of the coil flange 13 are connected so that the pole face of the Pole plate 17 and the yoke bearing edge 21 are aligned, tolerances of the two parts are switched off and an optimal one Magnetic attraction for the anchor reached.
  • the Compensation of the tolerances and thus the adjustment of the overstroke is realized so that the notched yoke-core unit inserted so far in the coil tube in the axial direction until the armature overstroke reaches its setpoint.
  • the optimally aligned surfaces change in the working and anchor bearing air gap in their mutual Assignment not; only the magnet system becomes the location of the contact set customized.
  • the armature 22 is a contact spring 23 via a rivet point 24 connected, which at their protruding above the anchor End 23a carries a movable contact 25, which acts as a center contact cooperates with the two fixed contacts 6 and 7.
  • it can be a riveted contact or by two welded together or soldered contact pieces separated from a precious metal strip be formed.
  • the contact spring 23 has an attachment portion 23b which is shown in FIG Form a curl or loop over the stored end of the anchor bent and lying flat on the yoke leg 20b Rivet warts 26 (or weld spots) is attached. Through its This fastening section 23b produces a preload Contact spring the armature restoring force.
  • the contact spring also has 23 one beyond the fixing portion 23b extending connection section 23c, which by 180 ° the fastening portion 23b is folded and with its end attached to the pin 5 by welding or brazing is.
  • This connection section of the spring is used only for Current supply and has no influence on the restoring force of the anchor. He is in the area of the rivet warts 26 (or Spot weld) with openings 27 so that it does not is riveted.
  • the armature 22 has a shock protection Locking lug 22a, which in a in the mounting portion 23b punched rectangular hole 23d protrudes and the anchor in the axial Direction towards the coil.
  • the previously described open circuit board relay according to FIG 1 can be provided with a protective cap 29 according to FIG. 2 become.
  • a protective cap 29 according to FIG. 2 in the area of the bottom side between a bottom plate 30 is used for the two flanges 12 and 13 that covers the coil winding space downwards. Subsequently can the gap between the cap 29, the bottom plate 30 and the bobbin 1 by a potting compound be sealed.
  • the base plate covering only the coil space 30 does not cause particle abrasion since the wire-like Connections, namely the fixed contact carrier 3 and 4, the Contact spring connector pin 5 and the coil connector pins 9 and 10, are embedded in the flanges and no breakthroughs need in the base plate.
  • the bottom plate 30 can also in one piece with the cap 29 according to FIG Film hinge 31 may be connected. In this case, it will follow Assembly of the cap swiveled over the coil space and sealed.
  • FIG. 7 shows a relay similar to that in FIG. 1, only a modified contact spring 33 is used.
  • the simplified form of the contact spring 33 can be used for lower current loads.
  • the Weld or solder 34 serves both for attachment as also for electrical connection of the contact spring. An own Fastening on the yoke is not necessary.
  • the remaining spring legs 33d and 33e generate the restoring force of the armature contact spring unit. Otherwise, this relay is according to the figure 7 constructed exactly like the one previously described.
  • the relay can also be used as a double relay with a common one Housing are provided.
  • two individual relays each with a coil former 1 with their coil axes parallel to each other arranged and with a common cap 35 and one common bottom plate 36 provided. the column between the cap and the base plate on the one hand and the coil formers 1 on the other hand, in the usual way with potting compound sealed.
  • Such double relays with two changeover contacts preferably used as a polarity reversal relay for DC motors.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnets (AREA)
  • Fluid-Damping Devices (AREA)
  • Magnetic Treatment Devices (AREA)
  • Air Bags (AREA)
EP98951232A 1997-10-24 1998-08-28 Elektromagnetisches relais Expired - Lifetime EP1025574B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19747167A DE19747167C1 (de) 1997-10-24 1997-10-24 Elektromagnetisches Relais
DE19747167 1997-10-24
PCT/DE1998/002544 WO1999022393A1 (de) 1997-10-24 1998-08-28 Elektromagnetisches relais

Publications (2)

Publication Number Publication Date
EP1025574A1 EP1025574A1 (de) 2000-08-09
EP1025574B1 true EP1025574B1 (de) 2002-03-13

Family

ID=7846595

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98951232A Expired - Lifetime EP1025574B1 (de) 1997-10-24 1998-08-28 Elektromagnetisches relais

Country Status (13)

Country Link
US (1) US6225880B1 (ko)
EP (1) EP1025574B1 (ko)
JP (1) JP4100658B2 (ko)
KR (1) KR100500535B1 (ko)
CN (1) CN1129933C (ko)
AR (1) AR009699A1 (ko)
AT (1) ATE214515T1 (ko)
BR (1) BR9814613A (ko)
CA (1) CA2309134C (ko)
DE (2) DE19747167C1 (ko)
ES (1) ES2172219T3 (ko)
TW (1) TW388900B (ko)
WO (1) WO1999022393A1 (ko)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101014987B1 (ko) 2002-11-15 2011-02-16 타이코 일렉트로닉스 에이엠피 게엠베하 릴레이용 압출 코팅한 자기 시스템
JP3896548B2 (ja) * 2003-08-28 2007-03-22 Necトーキン株式会社 電磁継電器
JP4190379B2 (ja) * 2003-09-12 2008-12-03 富士通コンポーネント株式会社 複合型電磁継電器
FR2864329B1 (fr) * 2003-12-19 2006-01-27 Schneider Electric Ind Sas Actionneur electromecanique
US7210970B1 (en) * 2006-03-22 2007-05-01 Sensata Technologies, Inc. Circuit breaker with improved connector socket
US7548146B2 (en) * 2006-12-27 2009-06-16 Tyco Electronics Corporation Power relay
FR2914118B1 (fr) * 2007-03-22 2009-04-17 Schneider Electric Ind Sas Pilier d'angle pour coffret electrique et coffret ainsi equipe
US8193881B2 (en) * 2007-09-14 2012-06-05 Fujitsu Component Limited Relay
JP4803206B2 (ja) * 2008-04-24 2011-10-26 パナソニック電工株式会社 リレー用電磁石
WO2010150712A1 (ja) * 2009-06-23 2010-12-29 パナソニック電工株式会社 電磁継電器
KR20140033814A (ko) * 2012-09-10 2014-03-19 엘에스산전 주식회사 전자개폐장치
JP6115198B2 (ja) 2013-03-08 2017-04-19 オムロン株式会社 電磁継電器およびその製造方法
JP6065662B2 (ja) * 2013-03-08 2017-01-25 オムロン株式会社 電磁継電器
JP6115195B2 (ja) * 2013-03-08 2017-04-19 オムロン株式会社 電磁継電器
CN104201055B (zh) * 2014-07-07 2016-04-06 四川宏发电声有限公司 一种继电器线圈端子安装工艺及设备
DE102015201703A1 (de) * 2015-01-30 2016-08-04 Te Connectivity Germany Gmbh Geräuscharm schaltende elektrische Schaltvorrichtung
JP6459739B2 (ja) * 2015-04-13 2019-01-30 オムロン株式会社 端子の接続構造およびこれを用いた電磁継電器
US9754747B1 (en) * 2016-04-25 2017-09-05 Song Chuan Precision Co., Ltd. Relay device
JP7014617B2 (ja) * 2018-01-17 2022-02-01 富士通コンポーネント株式会社 電磁継電器
CN109920701A (zh) * 2019-01-18 2019-06-21 厦门宏发信号电子有限公司 一种高绝缘小型拍合式电磁继电器
TWI680483B (zh) * 2019-07-03 2019-12-21 百容電子股份有限公司 電磁繼電器

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3311012A1 (de) * 1983-03-25 1984-09-27 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches relais
US4596972A (en) * 1983-10-31 1986-06-24 Amf Incorporated Miniature power switching relays
DE3428595A1 (de) * 1984-08-02 1986-02-20 Siemens AG, 1000 Berlin und 8000 München Elektromagnetisches relais
DE3513296C2 (de) * 1985-04-13 1986-12-11 Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München Leiterplattenrelais mit Kontaktanschlüssen
DE3538627A1 (de) * 1985-10-30 1987-05-07 Siemens Ag Elektromagnetisches relais
US5332985A (en) * 1990-05-14 1994-07-26 Siemens Aktiengesellschaft Electromagnetic switching system and process for producing the same
US5382934A (en) * 1991-07-09 1995-01-17 Siemens Aktiengesellschaft Electromagnetic changeover relay
DE4219933A1 (de) * 1992-06-17 1993-12-23 Siemens Ag Elektromagnetisches Relais

Also Published As

Publication number Publication date
CA2309134C (en) 2007-05-29
ATE214515T1 (de) 2002-03-15
EP1025574A1 (de) 2000-08-09
CN1273688A (zh) 2000-11-15
DE59803368D1 (de) 2002-04-18
KR100500535B1 (ko) 2005-07-14
BR9814613A (pt) 2000-10-03
ES2172219T3 (es) 2002-09-16
DE19747167C1 (de) 1999-04-29
CA2309134A1 (en) 1999-05-06
KR20010023789A (ko) 2001-03-26
WO1999022393A1 (de) 1999-05-06
JP4100658B2 (ja) 2008-06-11
AR009699A1 (es) 2000-04-26
JP2001521273A (ja) 2001-11-06
US6225880B1 (en) 2001-05-01
CN1129933C (zh) 2003-12-03
TW388900B (en) 2000-05-01

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