EP0348909A2 - Relais électromagnétique à coupure en charge - Google Patents
Relais électromagnétique à coupure en charge Download PDFInfo
- Publication number
- EP0348909A2 EP0348909A2 EP89111697A EP89111697A EP0348909A2 EP 0348909 A2 EP0348909 A2 EP 0348909A2 EP 89111697 A EP89111697 A EP 89111697A EP 89111697 A EP89111697 A EP 89111697A EP 0348909 A2 EP0348909 A2 EP 0348909A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- yoke
- relay
- winding
- core
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5822—Flexible connections between movable contact and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
- H01H1/54—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
Definitions
- the invention relates to an electromagnetic load relay with a coil with a winding applied to a coil former between end flanges, a core arranged axially within the winding, a yoke arranged outside the winding, which is connected to one end of the core, and a bearing on the yoke the free core end forming an armature working gap and with at least one switch-operated switch contact, which is connected via a current supply element to a connecting element, the current supply element being passed at least once through the excitation flux circuit formed from the yoke, core and armature.
- the object of the invention is therefore to develop a relay of the type mentioned in such a way that additional excitation can be generated in the same direction as the excitation circuit by the load circuit, but at the same time an intervention in the actual winding space is avoided and reliable insulation of the current supply of the load circuit is ensured.
- this object is achieved in that the current supply element is connected on one side of the coil to a connecting element, is guided through a transverse bore in a coil flange to the other side of the coil and is connected from there to the switching contact.
- the desired additional excitation for the relay is generated without an additional element having to be installed in the actual winding space.
- the guidance in the coil body flange also ensures good insulation between the load circuit and the actual excitation circuit.
- the additional excitation which is generated by the current supply element guided by the flange, keeps the relay in the tightened state after the contact current has been switched on, so that even a brief interruption of the current due to the mentioned bouncing switching on no longer drops the relay.
- this additional excitation promotes a rapid pulling through of the relay armature when switched on, so that high contact forces are quickly achieved and the erosion of the contact material is kept within limits.
- the holding effect due to the additional excitation is so slight that there is hardly any adverse effect when the relay drops out.
- Appropriate dimensioning can also determine how high the additional excitation should be. If necessary, it is also possible to split the power supply and lead only a part through the cross hole in the yoke.
- the additional excitation described is mainly used for relays in which the armature and the yoke are traversed by the contact current.
- This has the additional advantage that materials with better spring properties and higher fatigue strength can be used, whereby these steel materials are usually also less expensive than the otherwise required, highly conductive copper alloys.
- the contact current is expediently guided through a strand which is welded directly onto the rivet head of the contact and runs through the transverse bore in the coil flange.
- the relay shown in Figures 1 and 2 has a known basic structure with a coil body 1 as a supporting element, on which a winding 4 is applied between two flanges 2 and 3.
- a core 5 is mounted axially within the coil.
- This core is connected at one end to an angular yoke 6, namely to the vertical leg 6a, while the horizontal leg 6b extends above the coil.
- a flat anchor 7 is mounted, which is fastened to the yoke via an anchor spring 8.
- the extension of this armature spring 8 serves as a contact spring 8a and carries at its free end a contact piece 9 which is opposite a fixed mating contact piece 10.
- This mating contact piece 10 is fastened to a connecting element 10a, which is designed as a flat plug.
- a flat plug 6c designed as an extension of the yoke leg 6a serves as the connecting element for the contact piece 9 on the contact spring 8a.
- As a spool closing elements are also anchored connector elements 11 and 12 in the base body.
- a strand 13 is also provided, which is connected at one end directly to the flat plug 6c and to the the other end is welded directly onto the contact piece 9.
- This copper strand 13 can, for example, carry up to 90% of the current, in particular when the armature spring 8 is made of relatively poorly conductive metal, such as spring steel.
- this stranded wire 13 is guided through a transverse bore 3 a of the coil former flange 3.
- This transverse bore runs in the horizontal direction with the relay in the normal installation position, namely between the coil core 5 and the yoke leg 6b.
- the polarity must be selected accordingly when the load circuit is connected so that there is a positive superposition of the additional excitation with the coil excitation.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
- Electromagnets (AREA)
- Electromechanical Clocks (AREA)
- Electronic Switches (AREA)
- Relay Circuits (AREA)
- Control And Safety Of Cranes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8808401U | 1988-06-30 | ||
DE8808401U DE8808401U1 (de) | 1988-06-30 | 1988-06-30 | Elektromagnetisches Lastrelais |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0348909A2 true EP0348909A2 (fr) | 1990-01-03 |
EP0348909A3 EP0348909A3 (fr) | 1991-07-17 |
EP0348909B1 EP0348909B1 (fr) | 1994-09-28 |
Family
ID=6825520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89111697A Expired - Lifetime EP0348909B1 (fr) | 1988-06-30 | 1989-06-27 | Relais électromagnétique à coupure en charge |
Country Status (6)
Country | Link |
---|---|
US (1) | US4924197A (fr) |
EP (1) | EP0348909B1 (fr) |
JP (1) | JP2716529B2 (fr) |
AT (1) | ATE112410T1 (fr) |
DE (2) | DE8808401U1 (fr) |
ES (1) | ES2060699T3 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0515279A1 (fr) * | 1991-05-23 | 1992-11-25 | Societe D'applications Generales D'electricite Et De Mecanique Sagem | Ensemble de commutation à relais |
DE4416104A1 (de) * | 1994-04-19 | 1995-10-26 | Siemens Ag | Schaltkontaktanordnung eines elektrischen Leistungsschalters |
CN1050943C (zh) * | 1994-11-16 | 2000-03-29 | 住友电装株式会社 | 电连接盒 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3834413A1 (de) * | 1988-10-10 | 1990-04-12 | Hella Kg Hueck & Co | Elektrisches geraet, insbesondere fuer kraftfahrzeuge |
BR9001560A (pt) * | 1990-04-04 | 1990-11-06 | Schrack Eletronica Ltda | Tele miniatura aperfeicoada |
US5519368A (en) * | 1994-01-18 | 1996-05-21 | Square D Company | Compact coil assembly for transient voltage protection |
DE19522931A1 (de) * | 1995-06-23 | 1997-01-02 | Siemens Ag | Relais für hohe Schaltleistungen |
DE19702717A1 (de) * | 1997-01-25 | 1998-07-30 | Bosch Gmbh Robert | Elektrisches Schaltgerät und Verfahren zur Herstellung eines Magnetwinkels für ein solches |
JP2004281348A (ja) * | 2003-03-19 | 2004-10-07 | Sanyo Electric Co Ltd | 電磁リレー装置 |
DE102008039705B4 (de) * | 2008-08-26 | 2018-05-30 | Te Connectivity Germany Gmbh | Kontaktbaugruppe für ein Relais, Relais mit Kontaktbaugruppe und Verfahren zur Montage eines Relais |
DE102008039704A1 (de) * | 2008-08-26 | 2010-03-04 | Tyco Electronics Amp Gmbh | Kontaktanordnung mit gebogener Litze, Relais mit Kontaktanordnung und Verfahren zur Montage eines Relais |
KR102531475B1 (ko) * | 2016-02-02 | 2023-05-11 | 엘에스일렉트릭(주) | 릴레이 |
TWI680483B (zh) * | 2019-07-03 | 2019-12-21 | 百容電子股份有限公司 | 電磁繼電器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0142061A1 (fr) * | 1983-10-20 | 1985-05-22 | Siemens Aktiengesellschaft | Relais électromagnétique et méthode pour sa fabrication |
EP0231793A1 (fr) * | 1986-01-20 | 1987-08-12 | Siemens Aktiengesellschaft | Relais électromagnétique |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1746636A (en) * | 1925-08-06 | 1930-02-11 | Westinghouse Electric & Mfg Co | Control finger |
JPS5533571Y2 (fr) * | 1972-10-03 | 1980-08-09 | ||
JPS576137U (fr) * | 1980-06-11 | 1982-01-13 | ||
JPS5979943U (ja) * | 1982-11-19 | 1984-05-30 | 三菱電機株式会社 | 電磁接触器 |
JPS59203335A (ja) * | 1983-05-04 | 1984-11-17 | 三菱電機株式会社 | 電磁接触器 |
-
1988
- 1988-06-30 DE DE8808401U patent/DE8808401U1/de not_active Expired
-
1989
- 1989-05-12 US US07/350,726 patent/US4924197A/en not_active Expired - Fee Related
- 1989-06-27 DE DE58908429T patent/DE58908429D1/de not_active Expired - Fee Related
- 1989-06-27 ES ES89111697T patent/ES2060699T3/es not_active Expired - Lifetime
- 1989-06-27 EP EP89111697A patent/EP0348909B1/fr not_active Expired - Lifetime
- 1989-06-27 AT AT89111697T patent/ATE112410T1/de not_active IP Right Cessation
- 1989-06-29 JP JP1165495A patent/JP2716529B2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0142061A1 (fr) * | 1983-10-20 | 1985-05-22 | Siemens Aktiengesellschaft | Relais électromagnétique et méthode pour sa fabrication |
EP0231793A1 (fr) * | 1986-01-20 | 1987-08-12 | Siemens Aktiengesellschaft | Relais électromagnétique |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0515279A1 (fr) * | 1991-05-23 | 1992-11-25 | Societe D'applications Generales D'electricite Et De Mecanique Sagem | Ensemble de commutation à relais |
FR2676861A1 (fr) * | 1991-05-23 | 1992-11-27 | Sagem | Ensemble de commutation a relais. |
DE4416104A1 (de) * | 1994-04-19 | 1995-10-26 | Siemens Ag | Schaltkontaktanordnung eines elektrischen Leistungsschalters |
DE4416104C2 (de) * | 1994-04-19 | 2000-07-13 | Siemens Ag | Schaltkontaktanordnung eines elektrischen Leistungsschalters |
CN1050943C (zh) * | 1994-11-16 | 2000-03-29 | 住友电装株式会社 | 电连接盒 |
Also Published As
Publication number | Publication date |
---|---|
ES2060699T3 (es) | 1994-12-01 |
JPH0266827A (ja) | 1990-03-06 |
US4924197A (en) | 1990-05-08 |
JP2716529B2 (ja) | 1998-02-18 |
EP0348909B1 (fr) | 1994-09-28 |
DE8808401U1 (de) | 1988-08-18 |
EP0348909A3 (fr) | 1991-07-17 |
DE58908429D1 (de) | 1994-11-03 |
ATE112410T1 (de) | 1994-10-15 |
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