EP0089973A1 - Bistabiles elektromagnetisches stromstossrelais. - Google Patents
Bistabiles elektromagnetisches stromstossrelais.Info
- Publication number
- EP0089973A1 EP0089973A1 EP19820902814 EP82902814A EP0089973A1 EP 0089973 A1 EP0089973 A1 EP 0089973A1 EP 19820902814 EP19820902814 EP 19820902814 EP 82902814 A EP82902814 A EP 82902814A EP 0089973 A1 EP0089973 A1 EP 0089973A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact part
- yoke
- yoke leg
- force
- coil
- 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
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
- H01H50/30—Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/02—Non-polarised relays
- H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
- H01H51/06—Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity
- H01H51/08—Contacts alternately opened and closed by successive cycles of energisation and de-energisation of the electromagnet, e.g. by use of a ratchet
Definitions
- the invention relates to a bistable electromagnetic force switching element of small design with an electromagnet consisting of a coil, yoke and armature, which is generated by an electrical energy pulse. switches a contact part acted upon by a toggle spring into its bistable positions.
- a force switching element of this type has become known from DE-OS 26 26 752.
- This consists of three basic components, namely the magnetic drive consisting of coil, yoke and armature, a bistable contact system and a conversion part that converts the monostable switching path of the armature of the electromagnet into the bistable switching movement of the contact system.
- This basic principle is used in a variety of forms in the known impulse switches of various types. In these systems, the switching status of the contacts changes after a full armature stroke. The electrical energy is only required up to the end of the stroke of the armature. For the switching status of the contacts, however, it does not matter if the electrical excitation is also present for a longer period. For this, only the permissible heating of the coil represents the limit.
- the known device is already a relatively small construction, which can already be arranged in connection with an electronic contact switch in a small housing, for example in a 55 flush-mounting box for electrical installations can.
- the object of the invention is to improve an electromagnetic force switching element with the properties of the known device with regard to switching power in such a way that it can be carried out by even fewer individual parts and thus can be reduced in size even further, the construction volume experiencing such miniaturization that.
- Two relays, for example together with an electronic touch switch or other switching elements, can be accommodated in a 55 flush-mounted box.
- this is achieved in that the contact part simultaneously represents the armature effective between the poles of the yoke and can be pivoted from its one rest position into its other rest position by a magnetic energy pulse.
- the contact part on the one hand is pivotally mounted on a yoke leg by the toggle spring and on the other hand can be actuated at its free end by the free end of the other yoke leg when the coil is excited.
- the free end of the other yoke leg has an angled portion that is designed to form a pole piece and is directed against the other yoke leg.
- the pivot bearing of the contact part on one yoke leg and the pole piece of the other yoke leg lie on a common axis.
- the axis of the pivot bearing of the contact part on one yoke leg and the axis of the pole piece of the other yoke leg are parallel to one another.
- the magnetic force exerted on the contact part when the coil is excited is greater than the effective contact force of the rocker spring.
- the electromagnetic force switching element according to the invention is shown in the drawing in several embodiments. It shows:
- Fig. 3 is a partial representation of a side view of the force retaining member, wherein the axis of the pivot bearing of the contact part and that of the pole piece of the other yoke leg are parallel to each other and
- Fig. 4 is a partial representation of a further embodiment.
- the electromagnetic force switching element consists of a coil 1 and a coil yoke 2 with the yoke legs 3 and 4. Between the free ends of the yoke legs 3 and 4, which the
- a contact part 7 acting as an anchor is pivotally mounted.
- one yoke leg 3 has bends 5 at its free end with a swivel bearing 6 for one end of the contact part 7, which is pressed into the swivel bearing 6 by means of a toggle spring 8 which is held on a shoulder 9 of the one yoke leg 3.
- the free end 10 of the other yoke leg is provided with a bend directed against the other yoke leg 3, whereby a defined pole piece is formed for the contact part 7 which acts as an anchor.
- the power supply to the contact part 7 takes place on the one yoke leg 3 via the pivot bearing 6.
- it can also be provided directly on the contact part 7 by a flexible connection, for example stranded wire, coming from a separate connecting terminal.
- the contact part 7 can be designed as a changeover contact as shown in FIGS. 1 and 4.
- the contact part 7 has a double contact rivet 11, which on the one hand can be combined with a stationary counter contact 12 and on the other hand with a further stationary counter contact 13.
- a defined short-term excitation pulse e.g. a capacitor discharge
- the free end of the contact part 7 is replaced by the pole piece of the other yoke leg 4 due to the magnetic force exerted in the process
- the pivot bearing 6 of the contact part 7 is located on one yoke leg 3 and the pole piece of the other yoke leg 4 on a common axis A.
- the direction of current of the excitation can be arbitrary. Characterized in that the magnetic tensile force exerted on the contact part 7 is greater than the effective contact force of the rocker spring 8, the contact part 7 is switched from its one rest position to the other rest position in this system with any defined excitation pulse of the coil 1.
- the defined excitation pulse is to be provided so briefly that it has ended before the contact part 7 has reached the indifferent central position represented by the axis A.
- the magnetic force that has taken effect has given the Konta part 7 so much kinetic energy that it is thrown over the indifferent position.
- the force of the rocker spring 8 is effective, which presses the contact part 7 against the counter contact 12 or 13. 3 and 4, the axis A of the pivot bearing 6 of the contact part 7 is on a yoke leg 3 on a parallel to the axis B of the Pd Sharings of the other yoke leg 4 ..
- the contact part 7 falls into a preferred position given by the parallel axes A, B, for example in FIG. 3 for the rest position at a stationary stop 14, whereby an exhibition can be provided.
- a fixed contact part 12 is provided as the preferred position. It is not possible to excite the contact part 7 after an unintended permanent excitation, e.g. due to magnetic remanence fields to keep in an indifferent position. Due to the parallel axes A, B, there is a preferred position in which the contact part 7 switches after the excitation has ceased. This also makes it possible to hold the contact part in its indifferent position in the event of a predetermined longer excitation and thus to establish a contact opening position between two changeover contacts 12 and 13. For the formation of the parallel axes A, B, an embodiment according to FIG. 3 or the representations in FIG. 4 with beveled magnetic surfaces is possible.
- the components of the electromagnetic force switching element are arranged in a stationary manner on a common insulating material plate (not shown), which can also be a printed circuit board. An exact fixation and, if necessary, adjustment of the electromagnetic system and the counter contacts 12 and 13 is thus possible.
- an electromagnetic force switching element with small dimensions and low energy consumption for excitation with a switching capacity of 10 to 16 A and a contact opening of 3 mm, which is further characterized by low noise and an incredibly simple construction.
- the force switching element can be used as a switching power part in a wide variety of controls, the defined excitation energy being applied by an electronic device. This gives an extremely short response time, which means that there is no heat load for the force switching element and the neighboring components, and thus a longer service life and contact quality can be achieved.
- Construction volume Acquisition and operating costs.
- the drive according to the Invention by an energy surge is of course not limited to use with relays.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Relay Circuits (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT82902814T ATE21299T1 (de) | 1981-10-02 | 1982-09-27 | Bistabiles elektromagnetisches stromstossrelais. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3139285 | 1981-10-02 | ||
DE19813139285 DE3139285A1 (de) | 1981-10-02 | 1981-10-02 | Bistabiles elektromagnetisches kraftschaltglied kleiner bauart |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0089973A1 true EP0089973A1 (de) | 1983-10-05 |
EP0089973B1 EP0089973B1 (de) | 1986-08-06 |
Family
ID=6143282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19820902814 Expired EP0089973B1 (de) | 1981-10-02 | 1982-09-27 | Bistabiles elektromagnetisches stromstossrelais |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0089973B1 (de) |
JP (1) | JPS58501747A (de) |
DE (1) | DE3139285A1 (de) |
WO (1) | WO1983001343A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3518397A1 (de) * | 1985-05-22 | 1986-11-27 | Siemens AG, 1000 Berlin und 8000 München | Lageranordnung fuer den anker eines elektromagnetischen relais |
FR3082353B1 (fr) | 2018-06-08 | 2022-11-04 | Langlade & Picard | Dispositif mobile de basculement (f) pour relais electromagnetique monostable basse-tension (entre 110v et 400v) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2317888A (en) * | 1940-12-10 | 1943-04-27 | Signal Engineering & Mfg Co | Operating circuit for electrical devices |
GB643397A (en) * | 1947-04-18 | 1950-09-20 | Hg Relay Patent Ab | Electromagnetically shiftable switch |
FR1163270A (fr) * | 1956-12-12 | 1958-09-24 | Vaucanson Atel | Relais |
DE1130074B (de) * | 1957-10-28 | 1962-05-24 | Haller & Co E | Umschalt-Relais mit sprungartig wirkendem Schaltmechanismus |
FR1362655A (fr) * | 1963-04-25 | 1964-06-05 | Comp Generale Electricite | Perfectionnements aux relais à palette |
FR2079790A5 (de) * | 1970-02-12 | 1971-11-12 | Develay Rene |
-
1981
- 1981-10-02 DE DE19813139285 patent/DE3139285A1/de not_active Withdrawn
-
1982
- 1982-09-27 EP EP19820902814 patent/EP0089973B1/de not_active Expired
- 1982-09-27 JP JP50294882A patent/JPS58501747A/ja active Pending
- 1982-09-27 WO PCT/EP1982/000215 patent/WO1983001343A1/en active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO8301343A1 * |
Also Published As
Publication number | Publication date |
---|---|
JPS58501747A (ja) | 1983-10-13 |
EP0089973B1 (de) | 1986-08-06 |
WO1983001343A1 (en) | 1983-04-14 |
DE3139285A1 (de) | 1983-04-21 |
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