EP0524171A1 - Electromagnetic relay and process for manufacturing it. - Google Patents
Electromagnetic relay and process for manufacturing it.Info
- Publication number
- EP0524171A1 EP0524171A1 EP90916458A EP90916458A EP0524171A1 EP 0524171 A1 EP0524171 A1 EP 0524171A1 EP 90916458 A EP90916458 A EP 90916458A EP 90916458 A EP90916458 A EP 90916458A EP 0524171 A1 EP0524171 A1 EP 0524171A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cap
- coil
- elements
- relay
- closed
- 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
- H01H50/02—Bases; Casings; Covers
- H01H50/026—Details concerning isolation between driving and switching circuit
Definitions
- the invention relates to an electromagnetic relay with the following features:
- a housing has a cap with an essentially closed upper side, closed side walls and an open bottom side which can be closed by a base part,
- a contact system with lead-out contact connection elements and a magnet system are arranged in the housing, the coil of which is adjacent to the closed top of the cap, and - The winding ends of the coil are each connected to support elements anchored in a coil body, which in turn is electrically conductive with are connected through the bottom side of the coil connecting elements.
- the invention also relates to a manufacturing method for such a relay.
- a relay with the structure mentioned is known for example from DE-A-38 35 105.
- the arrangement of the coil provided there above the contact system in the closed upper region of the housing achieves a narrow construction.
- the arrangement of the contact elements in the vicinity of the connection side in the lower part of the housing also ensures short electrical connections between the contacts and the associated connection pins, which not only enables savings in material and processing steps, but also advantages in terms of heat dissipation and brings the insulation between the contact elements and the magnet system. For this reason, this design is preferably used for heavy current and mains relays.
- the object of the invention is to provide a relay of the type mentioned and a manufacturing method for this relay, in which a simple and space-saving connection from the winding ends of the coil to the connection side of the relay is made possible while maintaining the basic structure.
- the insulation between the coil connection elements and the magnetic circuit and contact elements should be ensured without requiring additional space.
- a relay according to the invention has the following additional features:
- the Spulenanschlußele ducks are each isolated in a side wall of the cap from the bottom to the area
- the support elements of the coil body are guided in plug openings to the top of the cap and also each open into one of the recesses and
- each recess the respective end of a support element is conductively connected to the end of a coil connecting element.
- the coil connecting elements are thus guided in an isolated manner, preferably embedded, in the wall of the cap.
- the space requirement is thus determined solely by the expansion of the magnet system and the contact system.
- Support element and the associated coil connecting element can in principle be manufactured in various ways using conventional methods.
- Welded connections or soldered connections come into consideration here if the construction can be designed in such a way that the ends to be connected are accessible for welding electrodes or for soldering devices and, if appropriate, also ensure the resistance to the soldering temperature in the vicinity of the soldering point is.
- a connection by means of a conductive adhesive which is introduced into the respective depression and cures at a relatively low temperature, is particularly advantageous.
- an insulating layer is preferably applied to the connection point or to the conductive adhesive, which layer closes off the recess from the outside.
- a preferred method for producing the relay essentially consists of the following steps: - The cap is made with the coil connection elements embedded in at least one side wall, with depressions on the top of the cap in the area of the ends of the coil connection elements and with plug-in openings in the area of the depressions ⁇ shaped, - the magnet system and the contact system are inserted into the open cap, with support elements embedded in the coil body with free ends being inserted into the plug-in openings of the cap, and - in the recesses on the top of the cap, one support element each conductively connected to a coil connecting element.
- the housing is to be sealed in a wash-tight manner, it is advantageous to seal the bottom side of the cap with potting compound in the depressions before the conductive connection is made, the plug openings of the cap being able to serve as ventilation holes until the potting compound has hardened.
- conductive adhesive By introducing conductive adhesive into the depressions, it is then possible in each case the support elements and coil connection elements are conductively connected, but at the same time the plug openings are also tightly closed.
- insulating material to the conductive connection in the depressions, these depressions can be additionally sealed and the conductive connections can be insulated from the outside.
- FIG. 1 and 2 show a relay designed according to the invention in two sectional views, the left half of FIG. 2 showing a section IIL-IIL and the right half a section IIR-IIR from FIG. 1 and
- FIG. 3 shows a fully assembled relay in perspective view.
- the relay shown in FIGS. 1 to 3 has a housing which consists of a cap 1 with a closed top 2 and all around closed side walls 3 and a contact carrier 5 used as a base in the open bottom side 4 of the cap 1
- contact elements 6 and 7 fastened to the contact carrier 5 are fastened with their connecting elements 6a and 7a.
- a magnet system with a coil winding 8, a core 9, a yoke 10 and an armature 11 is arranged in the upper area adjacent to the closed top 2 of the cap, the latter actuating the contact element 7 via an actuating element 12.
- the structure and function of the relay itself are not the subject of this application and are therefore not described in detail.
- the coil winding 8 is seated on a coil former 13, in the flange 14 of which two wire-shaped support elements 15 and 16 are anchored for winding and contacting the winding ends. These support elements 15 and 16 are each with their free ends passed through a plug opening 17 into one of two recesses 18 on the top of the cap 1. These depressions 18 are molded into the top 2 of the cap and initially open to the outside, but are only connected to the interior of the housing via the plug openings 17.
- two coil connection elements 20 are embedded in one of the side walls 3 or in rib-like thickenings 19 in two corners of the side wall, each of which has a connecting pin 20a led out to the bottom side and a connecting end 20b opening into a recess 18 on the top of the cap.
- Conductive adhesive 21 is filled into the recesses 18 from the outside and connects the support elements 15 and the coil connection elements 20 in each case in an electrically conductive manner.
- An insulating material layer 22 is applied over the conductive adhesive 21 and closes and insulates the housing from above.
- the magnet system When assembling the relay, the magnet system is first inserted and fastened in the cap 1, the support elements 15 being inserted through the plug openings 17.
- the housing By inserting the contact system with the carrier 5, the housing is closed on the underside.
- the plug-in openings 17 acting as ventilation holes, which enable pressure compensation when the potting compound 23 hardens.
- the aforementioned conductive adhesive 21 is introduced into the depressions 18, and these are then closed off from the outside by introducing the insulating material layer 22.
- FIG. 3 shows a finished relay in a perspective representation.
- the recesses 18 provided in the upper side and closed with the insulating material layer 22 can be seen, in which the coil connections have been contacted in the manner previously described.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Breakers (AREA)
- Manufacturing Of Electric Cables (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
- Burglar Alarm Systems (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4011402A DE4011402A1 (en) | 1990-04-09 | 1990-04-09 | ELECTROMAGNETIC RELAY AND METHOD FOR THE PRODUCTION THEREOF |
DE4011402 | 1990-04-09 | ||
PCT/DE1990/000890 WO1991015866A1 (en) | 1990-04-09 | 1990-11-19 | Electromagnetic relay and process for manufacturing it |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0524171A1 true EP0524171A1 (en) | 1993-01-27 |
EP0524171B1 EP0524171B1 (en) | 1994-08-10 |
Family
ID=6404039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90916458A Expired - Lifetime EP0524171B1 (en) | 1990-04-09 | 1990-11-19 | Electromagnetic relay and process for manufacturing it |
Country Status (7)
Country | Link |
---|---|
US (1) | US5289145A (en) |
EP (1) | EP0524171B1 (en) |
JP (1) | JPH05506121A (en) |
AT (1) | ATE109923T1 (en) |
DE (2) | DE4011402A1 (en) |
ES (1) | ES2057599T3 (en) |
WO (1) | WO1991015866A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59303588D1 (en) * | 1992-05-15 | 1996-10-02 | Siemens Ag | POLARIZED POWER RELAY |
WO2016120881A1 (en) * | 2015-02-01 | 2016-08-04 | K.A. Advertising Solutions Ltd. | Electromagnetic actuator |
CN106328444B (en) * | 2015-06-30 | 2019-05-10 | 泰科电子(深圳)有限公司 | The magnetic force systems of electromagnetic relay |
CN106548904B (en) * | 2015-09-16 | 2019-12-06 | 浙江正泰电器股份有限公司 | electromagnetic relay test button |
JP7124485B2 (en) * | 2018-06-28 | 2022-08-24 | 日本電産トーソク株式会社 | Solenoid device |
CN110970266A (en) * | 2018-09-30 | 2020-04-07 | 泰科电子(深圳)有限公司 | Electromagnetic relay |
CN110970268A (en) * | 2018-09-30 | 2020-04-07 | 泰科电子(深圳)有限公司 | Electromagnetic relay |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2444335A1 (en) * | 1978-12-15 | 1980-07-11 | Bernier Raymond | WATERPROOF ELECTRIC-MAGNETIC RELAY OF VERY SMALL DIMENSIONS |
GB2106716B (en) * | 1981-09-22 | 1985-12-11 | Standard Telephones Cables Ltd | Electromagnetic relay |
DE8323131U1 (en) * | 1983-08-11 | 1985-05-23 | Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München | Coil former for DIL relays |
US4684909A (en) * | 1985-03-26 | 1987-08-04 | Siemens Aktiengesellschaft | Electromagnetic relay |
US4993787A (en) * | 1987-03-13 | 1991-02-19 | Omron Tateisi Electronics Co. | Electromagnetic relay |
DE3835105A1 (en) * | 1988-01-26 | 1989-08-03 | Fuji Electric Co Ltd | ELECTROMAGNETIC RELAY |
US5191306A (en) * | 1990-09-14 | 1993-03-02 | Matsushita Electric Works, Ltd. | Miniature electromagnetic assembly and relay with the miniature electromagnet assembly |
-
1990
- 1990-04-09 DE DE4011402A patent/DE4011402A1/en not_active Withdrawn
- 1990-11-19 ES ES90916458T patent/ES2057599T3/en not_active Expired - Lifetime
- 1990-11-19 AT AT90916458T patent/ATE109923T1/en not_active IP Right Cessation
- 1990-11-19 US US07/934,523 patent/US5289145A/en not_active Expired - Fee Related
- 1990-11-19 WO PCT/DE1990/000890 patent/WO1991015866A1/en active IP Right Grant
- 1990-11-19 JP JP90515301A patent/JPH05506121A/en active Pending
- 1990-11-19 DE DE59006799T patent/DE59006799D1/en not_active Expired - Fee Related
- 1990-11-19 EP EP90916458A patent/EP0524171B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9115866A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE59006799D1 (en) | 1994-09-15 |
US5289145A (en) | 1994-02-22 |
DE4011402A1 (en) | 1991-10-10 |
JPH05506121A (en) | 1993-09-02 |
WO1991015866A1 (en) | 1991-10-17 |
EP0524171B1 (en) | 1994-08-10 |
ATE109923T1 (en) | 1994-08-15 |
ES2057599T3 (en) | 1994-10-16 |
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