EP0056085B1 - Polarisiertes elektromagnetisches Relais - Google Patents
Polarisiertes elektromagnetisches Relais Download PDFInfo
- Publication number
- EP0056085B1 EP0056085B1 EP81108176A EP81108176A EP0056085B1 EP 0056085 B1 EP0056085 B1 EP 0056085B1 EP 81108176 A EP81108176 A EP 81108176A EP 81108176 A EP81108176 A EP 81108176A EP 0056085 B1 EP0056085 B1 EP 0056085B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- relay
- coil
- pole plates
- contact
- 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
Links
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 11
- 230000004907 flux Effects 0.000 claims abstract description 11
- 230000007704 transition Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 abstract 1
- 230000005291 magnetic effect Effects 0.000 description 10
- 238000010276 construction Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004382 potting Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 208000000260 Warts Diseases 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 201000010153 skin papilloma Diseases 0.000 description 2
- LFOIDLOIBZFWDO-UHFFFAOYSA-N 2-methoxy-6-[6-methoxy-4-[(3-phenylmethoxyphenyl)methoxy]-1-benzofuran-2-yl]imidazo[2,1-b][1,3,4]thiadiazole Chemical compound N1=C2SC(OC)=NN2C=C1C(OC1=CC(OC)=C2)=CC1=C2OCC(C=1)=CC=CC=1OCC1=CC=CC=C1 LFOIDLOIBZFWDO-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- XRWSZZJLZRKHHD-WVWIJVSJSA-N asunaprevir Chemical compound O=C([C@@H]1C[C@H](CN1C(=O)[C@@H](NC(=O)OC(C)(C)C)C(C)(C)C)OC1=NC=C(C2=CC=C(Cl)C=C21)OC)N[C@]1(C(=O)NS(=O)(=O)C2CC2)C[C@H]1C=C XRWSZZJLZRKHHD-WVWIJVSJSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 229940125961 compound 24 Drugs 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 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
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/043—Details particular to miniaturised relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2236—Polarised relays comprising pivotable armature, pivoting at extremity or bending point of armature
- H01H51/2245—Armature inside coil
- H01H51/2254—Contact forms part of armature
Definitions
- the invention relates to a polarized electromagnetic relay with a one-piece coil body serving as the base body, with a ferromagnetic contact tongue arranged approximately axially in the interior of the coil body, which has one end inserted into grooves on both sides of the coil body parallel to the coil axis, with at least one elongated one Section is fixed essentially by the entire length of the winding, ferromagnetic carrier is fixed and with its opposite end between two angled, held by plug-in the coil flange of a permanent magnet movable, both pole plates have parallel to the contact tongue contacting sections.
- Such a relay is known from FR-A-2 392 486 (or DE-B-2 723 220). There, a very high-quality relay is described, in which both a good closure of the permanent magnet circuit and a good coupling of the control flux circuit are achieved by the end coupling of the permanent magnet to the pole shoes and by additional flux guiding tabs of these pole shoes.
- the carrier for the contact tongue in the interior of the coil body is designed as an elongated adjusting plate which, after the entire relay has been hermetically sealed, can be deformed by an externally applied magnetic field for adjusting the contact tongue.
- This known relay is based in its entire construction on the fact that in all cases all parts of the relay are cast in the protective cap.
- a special device for generating magnetic pulses and for measuring the armature position at each adjustment step is also required.
- the development of such devices can be unprofitable if the requirements for the relay are not so high and only relatively small quantities are used. In such cases, the simplest and cheapest construction can be required.
- the object of the invention is to design a relay of the type mentioned in the construction in such a way that the carrier for the contact tongue and the pole plates finally lie in a precisely defined position relative to one another due to pre-adjustment and assembly in the coil former.
- this object is achieved in that the grooves in the interior of the coil body extend over its entire length up to the pole plates, that the undersides of the grooves are extended in the coil flange carrying the pole plates, and thus continuous mutual support surfaces for both the carrier and for one form with it aligned contacting section of one pole plate, while the second pole plate with its contacting section rests on a support shoulder formed in the same coil flange, and that the carrier is continuous, i. that is, with a full cross-section, stretched over the entire width between the two grooves.
- the carrier is firmly anchored in the grooves of the coil body on both sides up to its end.
- it is not magnetically adjustable, but this opens up the possibility of adjusting the contact tongue attached to it in a mounting device before inserting the carrier into the coil former.
- the contact tongue is adjusted relative to the carrier; but since the carrier is positioned precisely due to its long guide in the coil body relative to the pole plates also inserted in guides and the guides of the carrier and the one pole plate have merging contact surfaces, the contact tongue is therefore also quite well adjusted with respect to the pole plates. This adjustment is retained when the carrier is inserted into the coil body.
- Another advantage of the carrier designed according to the invention for the contact tongue is that it reduces the magnetic flux, i. i.e., in particular the control flow, practically in the entire area within the coil winding and thereby improves the magnetic circuit of the relay.
- the contact tongue which has a relatively small cross-section in order to achieve a low mass and a high elasticity, only needs to bridge a relatively small gap between the carrier and the pole plate aligned with it when switching.
- a further improvement in the stability and mounting accuracy of the carrier for the contact tongue and at the same time an improvement in the magnetic circuit is achieved in that the carrier has two elongated sections arranged in two parallel planes and including the contact tongue between them, each of which is arranged in grooves and each aligned with one of the pole plates.
- the coil flange receiving the pole plates is closed on the end face and forms an upwardly open chamber which has guide grooves for the two pole plates and openings at the bottom for the connection side of the relay for connecting pins molded onto the pole plates, and a circumferential, close with a flat lid edible edge.
- This design of the coil flange as an upwardly open chamber simplifies assembly in that the pole plates themselves are completely accommodated in the chamber. This means that no gaps between the pole plates and the coil former need to be sealed.
- This chamber is closed by placing the flat cover, for example made of plastic, on the edge of the coil former flange, which is also made of plastic.
- the relay is closed with a ferromagnetic cap, which also serves to guide the flow, in a dust-tight manner and is ready for use.
- a hermetic seal is also possible.
- the cap is filled with potting compound in the usual way, the openings of the connecting pins also being sealed.
- the elongated sections of the carrier and the contact surfaces of the contact tongue and the pole plates can each be parallel to the connection level of the relay.
- the functional position can be rotated through 90 ° with respect to the coil axis, so that the pole faces and the elongated sections of the carrier are each perpendicular to the connection plane of the relay.
- the carrier of the contact tongue has a molded-on connecting pin in the usual way on the side of the coil former opposite the pole plates.
- the relay according to FIGS. 1 to 4 has a coil former 1, inside which there is a contact space 2 with an approximately axially arranged contact tongue 3.
- This contact tongue 3 is connected at its fastening end 3a to a cranked tab 4 of a carrier 5 via a welding point 4a.
- This carrier 5 consists of ferromagnetic material and has an elongated section 6, which is inserted parallel to the contact tongue 3 in grooves 7 and 8 of the coil body.
- the section 6 is made so long that it extends essentially through the entire length of the coil winding 9 and extends with its free end 6a to the vicinity of the pole plates 10 and 11.
- the pole plates 10 and 11 sit in a chamber 12 of the coil flange 1a and are held there in grooves 13 and 14, respectively. They are cranked and, with their sections 10a, 11a, include a permanent magnet 15 arranged in the chamber 12, which in the present example is arranged asymmetrically to achieve a monostable switching characteristic.
- the sections 10b and 11b enclose the free end 3b of the contact tongue 3 between them. Like the end of the contact tongue, they are covered with contact material and form working air gaps and contact points with the contact tongue.
- the free end 3b of the contact tongue is forked in a known manner in order to achieve double contact.
- the pole plates 10 and 11 each have molded (or welded) connection pins 10c and 11c, which are guided in openings 16 and 17 of the coil former from the chamber 12 to the connection side of the relay.
- the chamber 12 is provided on the end face with an end wall 18 and, apart from the openings 16 and 17 mentioned, only has an opening at the top through which the permanent magnet 15 and the pole plates 10 and 11 can be inserted.
- This opening can be closed in a simple manner with a flat cover 19, which is simply placed on the peripheral edge 20 and connected in a suitable manner, by gluing, welding or the like, to the coil former.
- the carrier 5 for the contact tongue is bent at right angles in the region of the coil flange 1b and is provided with a large-area flux transition plate 21, on which a connecting pin 22 is also formed.
- a good coupling of the carrier to the ferromagnetic housing cap 23 is achieved, which is placed over the coil former and, in addition to the closure of the magnetic circuit, also causes magnetic shielding of the relay.
- the relay can be hermetically sealed. In this case, in order to prevent the potting compound from flowing into the interior 2, the opening of the coil flange 1b is covered with a fleece 25.
- the magnetically conductive contact tongue 3 is fastened to the carrier 5 or to the tab 4 by welding, riveting or screwing.
- the contact tongue is adjusted in an adjusting device, the contact tongue being brought into a precisely defined position relative to the elongated section 6 of the carrier by bending the tab 4.
- This assembly unit can then be inserted into the coil body tube, the position of the contact tongue no longer changing.
- the coil former has a support shoulder 26 for the contacting section 11b of the pole plate 11 and bilateral contact points 27 of the grooves 7 and 8 for the contacting section 10b of the pole plate 10.
- the contact points 27 are used for both Flow guide plate 6 as well as for the section 10b of the pole plate 10 through the Undersides of the grooves 7 and 8 formed.
- the flow guide plate 6 is pressed against the support points 27 by a cap-shaped wart 6b, so that it is aligned with the section 10b.
- a comparison of the permanent magnet is provided, which provides a final setting of the relay parameters.
- FIGS. 5 to 8 show a modified embodiment of the relay according to the invention, also in different views.
- This relay which is only partially shown, has a coil former 31 with a contact space 32 lying in the coil tube, in which a contact tongue 33 is arranged approximately axially parallel.
- the contact tongue is rotated here by 90 ° about the coil axis, so that its main plane and also the contact surfaces are perpendicular to the connection plane of the relay.
- the contact tongue 33 is fastened with its fastening end 33a between two adjusting tabs 34 and 34 'of a carrier 35 which has two flux guide plates 36 and 36' which run parallel to the contact tongue up to the vicinity of the pole plates, not shown, and enclose the contact tongue between them.
- this relay is constructed similarly to that previously described.
- the flux guide plates 36 and 36 ' are guided in grooves 37 and 38 or 37' and 38 'of the coil body.
- a coil winding 39 is applied to the coil former 31.
- the end 33b of the contact tongue 33 interacts with the contact surfaces of pole plates, which are bent in the same way as in the example of FIG. 1.
- the carrier 35 has, in the extension of the two flow guide plates 36 and 36 ', flow transition plates 51 and 51' with an integrally formed connecting pin 52.
- the entire relay is surrounded by a ferromagnetic cap 53 and sealed as required with potting compound 54, a Fleece 55 prevents the potting compound from penetrating into the coil interior.
- the connector pin 52 of the contact tongue, the connector pins of the pole plates and the coil connector pins 56 emerge in a predetermined pattern from the connector side of the relay. In the usual way, spacer warts 57 are also formed on the underside of the coil body.
- the assembly is carried out similarly to the previously described relay in such a way that the contact tongue with the flux guide plates is pre-adjusted in a device and then inserted into the coil body.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
- Emergency Protection Circuit Devices (AREA)
- Surgical Instruments (AREA)
- Electrophonic Musical Instruments (AREA)
- Developing Agents For Electrophotography (AREA)
- Magnetic Treatment Devices (AREA)
- Valve Device For Special Equipments (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT81108176T ATE15568T1 (de) | 1981-01-13 | 1981-10-09 | Polarisiertes elektromagnetisches relais. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3100817 | 1981-01-13 | ||
DE19813100817 DE3100817A1 (de) | 1981-01-13 | 1981-01-13 | Polarisiertes elektromagnetisches relais |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0056085A1 EP0056085A1 (de) | 1982-07-21 |
EP0056085B1 true EP0056085B1 (de) | 1985-09-11 |
Family
ID=6122531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP81108176A Expired EP0056085B1 (de) | 1981-01-13 | 1981-10-09 | Polarisiertes elektromagnetisches Relais |
Country Status (7)
Country | Link |
---|---|
US (1) | US4403203A (pt) |
EP (1) | EP0056085B1 (pt) |
JP (1) | JPS57141838A (pt) |
AT (1) | ATE15568T1 (pt) |
BR (1) | BR8200135A (pt) |
DE (2) | DE3100817A1 (pt) |
PT (1) | PT74269B (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3338198A1 (de) * | 1983-10-20 | 1985-05-02 | Siemens AG, 1000 Berlin und 8000 München | Elektromagnetisches relais und verfahren zu dessen herstellung |
DE3338208A1 (de) * | 1983-10-20 | 1985-05-02 | Siemens AG, 1000 Berlin und 8000 München | Elektromagnetisches relais und verfahren zu dessen herstellung |
JPS6168452U (pt) * | 1984-10-09 | 1986-05-10 | ||
FR2616959B1 (fr) * | 1987-06-19 | 1989-08-25 | Koehler Gerard | Relais bipolarise miniature protege |
US4788516A (en) * | 1987-08-17 | 1988-11-29 | Beta Mfg. Co. | Enclosed electromagnetic relay |
US6246306B1 (en) * | 1999-02-04 | 2001-06-12 | Klaus A. Gruner | Electromagnetic relay with pressure spring |
US9754747B1 (en) * | 2016-04-25 | 2017-09-05 | Song Chuan Precision Co., Ltd. | Relay device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH514930A (de) * | 1969-09-22 | 1971-10-31 | Elesta Ag Elektronik | Kleinschütz und Verfahren zur Herstellung desselben |
DE2723220C2 (de) * | 1977-05-23 | 1979-08-02 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Polarisiertes elektromagnetisches Miniaturrelais |
JPS54111655A (en) * | 1978-02-21 | 1979-09-01 | Omron Tateisi Electronics Co | Polar relay |
AU529316B2 (en) * | 1978-08-29 | 1983-06-02 | Sds Relais Ag | Electromagnetic relay |
-
1981
- 1981-01-13 DE DE19813100817 patent/DE3100817A1/de not_active Withdrawn
- 1981-10-09 DE DE8181108176T patent/DE3172242D1/de not_active Expired
- 1981-10-09 AT AT81108176T patent/ATE15568T1/de not_active IP Right Cessation
- 1981-10-09 EP EP81108176A patent/EP0056085B1/de not_active Expired
- 1981-11-20 US US06/323,444 patent/US4403203A/en not_active Expired - Fee Related
-
1982
- 1982-01-12 JP JP57002349A patent/JPS57141838A/ja active Pending
- 1982-01-12 PT PT74269A patent/PT74269B/pt unknown
- 1982-01-12 BR BR8200135A patent/BR8200135A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
PT74269B (de) | 1983-08-23 |
PT74269A (de) | 1982-02-01 |
DE3100817A1 (de) | 1982-08-12 |
US4403203A (en) | 1983-09-06 |
BR8200135A (pt) | 1982-11-03 |
EP0056085A1 (de) | 1982-07-21 |
JPS57141838A (en) | 1982-09-02 |
DE3172242D1 (en) | 1985-10-17 |
ATE15568T1 (de) | 1985-09-15 |
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