EP1223598A2 - Kontaktsystem für elektromagnetisches Relais - Google Patents
Kontaktsystem für elektromagnetisches Relais Download PDFInfo
- Publication number
- EP1223598A2 EP1223598A2 EP02000523A EP02000523A EP1223598A2 EP 1223598 A2 EP1223598 A2 EP 1223598A2 EP 02000523 A EP02000523 A EP 02000523A EP 02000523 A EP02000523 A EP 02000523A EP 1223598 A2 EP1223598 A2 EP 1223598A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- movable part
- closer
- relay
- actuator
- 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
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/002—Monitoring or fail-safe circuits
- H01H47/004—Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
- H01H50/642—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement intermediate part being generally a slide plate, e.g. a card
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/001—Means for preventing or breaking contact-welding
Definitions
- a relay with positively driven contacts with the one in the first part contact system specified in claim 1 is known from DE-A-196 00 314.
- Such relays with positively driven contacts have the task a circuit to be switched, such as the supply circuit from Machine tools, gates, firing systems or medical devices separate safely.
- a circuit to be switched such as the supply circuit from Machine tools, gates, firing systems or medical devices separate safely.
- A is used to detect this error known relay provided break contact, wherein an actuating arrangement ensures that the opener only then in its closed rest position can return when both NO contacts open.
- the actuating arrangement of the known relay consists of two Components that can be moved parallel to each other, each with lateral projections attack on the moving parts, one of which is driven by the relay armature, while the other is a forced leader is trained.
- the arrangement only works properly if the two components of the actuation arrangement are precisely coordinated are and with their lateral projections on the one hand take-away of the respective moving parts and, on the other hand, sufficient Let play to take the moving parts through the side Not to hinder projections of the other movable component.
- the invention is based on the general object, disadvantages, such as they occur in comparable contact systems according to the state of the art, to at least partially eliminate.
- a more specific object of the invention can be seen in a contact system for an electromagnetic To create relays that perform the same function as that explained above known contact system achieved with a simple structure.
- the measure of claim 4 is for the functional reliability of Advantage.
- the contact arrangement comprises two make contacts 10 and 20, one break contact 30 and two actuators 40, 50.
- the closer 10 consists of a fixed contact 11 with two contact pieces 12, 13 and a connecting part 14 and a contact spring 15 which is attached at one end to a connecting part 16 and carries at its other, free end two contact pieces 17, 18 , which with the contact pieces 12, 13 of the fixed contact 11 work together.
- the make contact 20 and the break contact 30 are constructed identically.
- the contact springs 15, 25 of the two normally open contacts 10, 20 are designed as flexure contact springs, so that their contact pieces in the rest position, viewed without an actuator, are at a distance from those of the respective fixed contact 11, 21 .
- the contact spring 35 of the opener 30 is designed as a lift-off contact spring so that its contact pieces in the rest position, viewed without an actuator, rest on the contact pieces of the fixed contact 31 .
- the actuator 40 is designed as an approximately U-shaped flat circuit card, the right, downwardly projecting leg 41 of the U-shape having a downwardly open slot 42 which , when the actuator 40 is installed (see FIGS. 2 to 4) the contact spring 15 of the closer 10 engages on both sides.
- the slot 42 is provided with two mutually facing projections 43, 44 which rest on both sides of the contact spring 15 with little play.
- the downwardly projecting left leg 45 has a projection 46 which faces the right leg 41 and which, according to FIGS. 3 and 4, bears against the left side surface of the contact spring 35 of the opener 30 .
- the actuator 50 is essentially identical in construction to the actuator 40 , only the distance between the two legs 51, 55 being smaller from one another.
- the slot 52 engages around the contact spring 25 of the closer 20, the two projections 53, 54 resting against the side surfaces of the contact spring 25 with little play, while the projection 56 of the left leg 55 lies against the left side surface of the contact spring 35 of the opener 30 .
- the two actuators 40, 50 arranged close together, with their left end faces which are aligned with each other in the embodiment shown in Figure 2 rest position of a here serve to rest against the armature 60 as a monostable adopted relay.
- the relay 61 shows the coil 61 together with the coil connections 62 and the core 63 passing through the coil 61 with pole shoes 64 projecting upwards and interacting with the armature 60 .
- the relay is in the rest position, so that the make contacts 10, 20 are open and the break contact 30 is closed.
- the armature 60 pivots counterclockwise and exerts a force directed to the right in FIG. 2 on both actuators 40, 50 .
- the actuators 40 and 50 move into the position shown in FIG. 3, in which the two NO contacts 10, 20 are closed and the NC contact 30 is open.
- the actuators 40, 50 are designed in such a way that they are positively coupled to the contact springs 15, 25 of the respectively associated normally open contact 10, 20 in both directions.
- the contact springs 15, 25 are guided into the closed position by the actuators 40, 50 against their spring preload, while the closing contacts 10, 20 are opened by the restoring force of the springs 15 and 25 , respectively.
- the third contact 30 is designed as an opener. It would also be possible to design this contact as a closer. In this case, whenever one of the two make contacts 10, 20 welds, the third contact 30 would no longer be able to open. This function could also be used to identify a welded condition.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Relay Circuits (AREA)
- Electromagnets (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
- Figur 1
- das Kontaktsystem eines elektromagnetischen Relais mit herausgenommenen Betätigern,
- Figur 2
- das gleiche Kontaktsystem mit eingebauten Betätigern in Ruhestellung des Relais, wobei zur Verdeutlichung auch Spule, Kern und Anker des Relais dargestellt sind,
- Figur 3
- das Kontaktsystem in Arbeitsstellung des Relais, und
- Figur 4
- das Kontaktsystem in Ruhestellung des Relais, wobei einer der Schließer infolge Verschweißung nicht geöffnet und der zwangsgeführte Öffner nicht geschlossen hat.
Claims (4)
- Kontaktsystem für ein elektromagnetisches Relais mit wenigstens zwei Schließern (10, 20), einem weiteren Kontakt (30) und einer wenigstens zwei parallel bewegbare Bauteile (40, 50) umfassenden Betätigungsanordnung, die
bei Bewegung eines Relaisankers in eine Arbeitsstellung das Schließen beider Schließer (10, 20) und das Schalten des weiteren Kontaktes (30) gestattet und
bei Rückbewegung des Ankers in die Ruhestellung das Öffnen der Schließer (10, 20) gestattet, das Rückschalten des weiteren Kontaktes (30) jedoch verhindert, wenn einer der Schließer (10, 20) nicht öffnet,
dadurch gekennzeichnet, daß jedem Schließer (10, 20) ein eigener vom Relaisanker angetriebener Betätiger (40, 50) zugeordnet ist,
daß der bewegbare Teil jedes Schließers (10, 20) mit dem zugeordneten Betätiger (40, 50) in Kontakt-Öffnungsrichtung zwangsgeführt gekoppelt ist, und
daß beide Betätiger (40, 50) mit dem bewegbaren Teil (35) des weiteren Kontaktes (30) nur in Richtung der Arbeitsstellung zwangsgeführt gekoppelt sind. - Kontaktsystem nach Anspruch 1, wobei der bewegbare Teil (15, 25) jedes Schließers (10, 20) und der bewegbare Teil (35) des weiteren Kontaktes (30) die Rückstellkräfte für die zugeordneten Betätiger (40, 50) liefern.
- Kontaktsystem nach Anspruch 1 oder 2, wobei die Betätiger (40, 50) als nebeneinander angeordnete Schaltkarten unterschiedlicher Länge gestaltet sind, deren jede den bewegbaren Teil (15, 25) des zugeordneten Schließers (10, 20) umgreift.
- Kontaktsystem nach Anspruch 3, wobei der bewegbare Teil (15, 25) jedes Schließers (10, 20) als Flexure-Kontaktfeder ausgebildet und mit dem zugeordneten Betätiger (40, 50) in beiden Bewegungsrichtungen zwangsgeführt gekoppelt ist, und daß der bewegbare Teil (35) des weiteren Kontaktes (30) als Lift-off-Kontaktfeder ausgebildet ist.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK02000523T DK1223598T3 (da) | 2001-01-16 | 2002-01-09 | Kontaktsystem til elektromagnetisk relæ |
| SI200230133T SI1223598T1 (sl) | 2001-01-16 | 2002-01-09 | Kontaktni sistem za elektromagnetni rele |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10101751A DE10101751C1 (de) | 2001-01-16 | 2001-01-16 | Kontaktsystem für elektromagnetisches Relais |
| DE10101751 | 2001-01-16 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1223598A2 true EP1223598A2 (de) | 2002-07-17 |
| EP1223598A3 EP1223598A3 (de) | 2003-01-29 |
| EP1223598B1 EP1223598B1 (de) | 2005-03-16 |
Family
ID=7670713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02000523A Expired - Lifetime EP1223598B1 (de) | 2001-01-16 | 2002-01-09 | Kontaktsystem für elektromagnetisches Relais |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1223598B1 (de) |
| AT (1) | ATE291275T1 (de) |
| DE (2) | DE10101751C1 (de) |
| DK (1) | DK1223598T3 (de) |
| ES (1) | ES2236367T3 (de) |
| PT (1) | PT1223598E (de) |
| SI (1) | SI1223598T1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2492936A1 (de) * | 2011-02-24 | 2012-08-29 | Panasonic Corporation | Elektromagnetisches Relais |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10309596B3 (de) * | 2003-03-05 | 2004-12-30 | Matsushita Electric Works (Europe) Ag | Relais-Kontaktanordnung |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE448411B (sv) * | 1978-04-19 | 1987-02-16 | Hengstler Gmbh Haller Relais | Kontaktfjederblock for rele |
| DE19600314C2 (de) * | 1996-01-06 | 1999-02-04 | Hengstler Gmbh | Relais mit zwangsgeführten Kontaktsätzen |
| DE59902225D1 (de) * | 1998-10-16 | 2002-09-05 | Tyco Electronics Gmbh Wien | Sicherheitsrelais |
-
2001
- 2001-01-16 DE DE10101751A patent/DE10101751C1/de not_active Expired - Fee Related
-
2002
- 2002-01-09 PT PT02000523T patent/PT1223598E/pt unknown
- 2002-01-09 DK DK02000523T patent/DK1223598T3/da active
- 2002-01-09 AT AT02000523T patent/ATE291275T1/de active
- 2002-01-09 ES ES02000523T patent/ES2236367T3/es not_active Expired - Lifetime
- 2002-01-09 DE DE50202451T patent/DE50202451D1/de not_active Expired - Lifetime
- 2002-01-09 SI SI200230133T patent/SI1223598T1/xx unknown
- 2002-01-09 EP EP02000523A patent/EP1223598B1/de not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2492936A1 (de) * | 2011-02-24 | 2012-08-29 | Panasonic Corporation | Elektromagnetisches Relais |
Also Published As
| Publication number | Publication date |
|---|---|
| SI1223598T1 (sl) | 2005-10-31 |
| DK1223598T3 (da) | 2005-04-18 |
| EP1223598A3 (de) | 2003-01-29 |
| PT1223598E (pt) | 2005-05-31 |
| DE10101751C1 (de) | 2002-11-14 |
| ATE291275T1 (de) | 2005-04-15 |
| DE50202451D1 (de) | 2005-04-21 |
| EP1223598B1 (de) | 2005-03-16 |
| ES2236367T3 (es) | 2005-07-16 |
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