EP1081732A2 - Electromagnetisches Relais - Google Patents

Electromagnetisches Relais Download PDF

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Publication number
EP1081732A2
EP1081732A2 EP00118749A EP00118749A EP1081732A2 EP 1081732 A2 EP1081732 A2 EP 1081732A2 EP 00118749 A EP00118749 A EP 00118749A EP 00118749 A EP00118749 A EP 00118749A EP 1081732 A2 EP1081732 A2 EP 1081732A2
Authority
EP
European Patent Office
Prior art keywords
contact
armature
electromagnetic relay
display
spring
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
Application number
EP00118749A
Other languages
English (en)
French (fr)
Other versions
EP1081732A3 (de
EP1081732B1 (de
Inventor
Akira Oishi
Masanori Motoyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of EP1081732A2 publication Critical patent/EP1081732A2/de
Publication of EP1081732A3 publication Critical patent/EP1081732A3/de
Application granted granted Critical
Publication of EP1081732B1 publication Critical patent/EP1081732B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H50/32—Latching movable parts mechanically
    • H01H50/326—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection

Definitions

  • the present invention relates to an electromagnetic relay in which a switch, which is operated so that the contact point portion is contacted with and separated from a partner portion, when an armature is not energized, is provided.
  • the relay structured as shown in Fig. 17 and Fig. 18 exist.
  • This relay is structured being provided with: an iron core A; coil bobbin B; coil C; yoke D; armature E; return spring F; movable spring G; movable member H; base J; normal close side contact point terminal K; normal open side contact point terminal L; lead wire M; common terminal P; coil terminal Q; case R; display member S; and switch T.
  • the iron core A is formed of the magnetic material into the almost round bar-shape.
  • the coil bobbin B is formed of the molding material such as plastics into the almost cylindrical shape having flange portions B 1 on the both ends of the winding drum portion, and the coil C is wound around the winding drum portion. Then, the iron core A is inserted into a through hole provided in the winding drum portion of the coil bobbin B and its one end portion is protruded from an opening portion of the through hole. That is, the coil C is wound around the iron core A through the coil bobbin B, and as the result, one end portion is an magnetic pole portion A 1 .
  • the yoke D is formed of the magnetic material into the L letter shape having one side piece D 1 and the other side piece D 2 , and the other end portion of the iron core A is fixed at almost the center of the one side piece D 1 .
  • This yoke D is a magnet path of the magnetic flux generated when the coil C is excited.
  • the armature E is formed of the magnetic material into the plate shape, and the base end portion side is rotatably supported by an leading edge portion of the other side piece D 2 of the yoke D so that the leading edge portion is oppositely positioned to the magnetic pole portion A 1 .
  • the return spring F is a coil spring, and its one end is fixedly connected to a fixed portion D 3 provided on the base end portion of the other side piece D 2 of the yoke D, and the other end is connected to the base end portion of the armature E.
  • This return spring F has the energizing force which becomes the returning force to the direction in which the armature E whose coil C is not excited, is separated from the magnetic pole portion A 1 of the iron core A.
  • the movable spring G is formed of the thin plate spring member such as copper alloy into the plate shape, and on the both surfaces of the one end portion, the normal close side movable contact G 1 and the normal open side movable contact G 2 are respectively provided.
  • the first member H 1 and the second member H 2 are connected by a pin(not shown), and when the one member is displaced, the other is displaced to the same direction.
  • the first member H 1 is formed of the molding material such as plastics, and the central portion of the armature E is integrated by the integral molding.
  • the second member H 2 is formed of the molding material such as plastics, in the same manner as the first member H 1 , and the central portion of the movable, spring G is integrated by the integral molding.
  • the case R is a box type having a bottom portion and a wall portion R1 vertically provided from the bottom portion, and by being attached to the base J, it houses each of the above described parts in the inside.
  • the base end portion of the display member S is rotatably supported by the base J, and the extension portion S 1 is extended from the central portion.
  • this extension portion S 1 when the bar-like insertion portion H4 provided on the first member H 1 of the movable member H is inserted, a thin engagement portion S 2 which is engaged with the inserted insertion portion H 4 , is provided.
  • the display portion S 3 to display the contact and separation condition of the contact point portion U through the penetration portion R3 provided in the bottom portion of the case R, is provided on the leading edge portion.
  • the switch T is composed of the bar-like penetration portion T 1 which penetrates the case R from its leading edge, and the operation portion T 2 which is extended in the direction perpendicular to the penetrating direction from the base end portion of the penetration portion T 1 and opposite to the base portion of the case R.
  • the operation portion T 2 is opposite to the opposing portion R 2 which is the base portion of the case R.
  • the leading edge of the penetration portion T 1 is in contact with the extension portion H 3 extended from the second member H 2 of the movable member H, by its self weight.
  • the movable spring G is also driven as described above, and the normal close side movable contact G1 of the movable spring G is separated from the normal close side fixed contact K1 of the normal close side contact terminal K, and next to that, the normal open side movable contact G 2 of the movable spring G comes into contact with the normal open side fixed contact L 2 of the normal open side contact terminal L.
  • the first member H1 and display member S are driven in the reverse direction to the above description, and the display portion S 3 of the leading edge portion of the display member S is not visually confirmed through the penetration R 1 of the case R, and the contact and separation condition of the contact point portion U is not displayed.
  • this apparatus is, in the case where the coil C is not excited and the armature E is not energized, when the operation portion T 2 of the switch T is pressed in the penetration direction of the penetration portion T 1 , the leading edge of the penetration portion T1 of the switch T presses and drives the extension portion H 3 of the second member H 2 of the movable member H, and the movable spring G integrated with the second member H 2 is also energized, and in the same manner as in the case where the armature E is energized, the normal close side movable contact of the movable spring G is separated from the normal close side fixed contact of the normal close side contact terminal K, and succeedingly, the normal open side movable contact of the movable spring G comes into contact with the normal open side fixed contact of the normal open side contact terminal L. This operation is performed at the continuity test, for example.
  • the switch T when the switch T is positioned on the wall portion R 1 of the case R being in contact with the wall portion R 1 , the switch T causes the friction with the wall portion R 1 of the case R, and the frictional powder generated by the friction invades in the vicinity of the contact point portion U, thereby, there is a possibility that the contact point portion U causes the contact trouble.
  • the present invention is attained by having an eye to the foregoing points, and the object of the present invention is to provide an electromagnetic relay in which the contact point portion does not cause the contact trouble.
  • the invention of the first aspect or the present invention is structured as follows.
  • an electromagnetic relay having: an iron core around which a coil is wound and on which a magnetic pole portion is provided;
  • the invention of the second aspect according to the present invention is, in the invention of the first aspect of the present invention, structured as follows: the operation portion has a spring portion having the flexibility along the pressing direction.
  • the invention of the third aspect according to the present invention is, in the invention of the second aspect of the present invention, structured as follows: the spring portion is defined by partially decreasing the dimension of the thickness of the operation portion, and the contact portion is provided in the opposing portion such that the contact portion is opposite to the spring portion, and the spring portion is formed so that the spring portion is flexibility deformed within the range of the dimension of the thickness.
  • the invention of the fourth aspect according to the present invention is, in the invention of the second aspect of the present invention, structured as follows: the other portion, with which the contact portion comes into contact, has an engagement portion to engage with the contact portion.
  • the invention of the fifth aspect according to the present invention is, in the invention of the first aspect of the present invention, structured as follows: the contact portion is provided in the opposing portion, and when the operation portion is displaced in a direction perpendicular to the pressing direction, the contact condition is released, and the operation portion is provided with the inclined portion in the contact portion with which the contact portion comes into contact.
  • the invention of the sixth aspect according to the present invention is, in the invention of the first aspect of the present invention, structured as follows: a display member has a display portion to carry out a display operation to display the contact and separation condition of the contact point portion through a penetration portion provided in the case.
  • the invention of the seventh aspect according to the present invention is, in the invention of the sixth aspect of the present invention, the display member has a deformable soft portion.
  • the invention the eighth aspect according to the present invention is, in the invention of the seventh aspect of the present invention, the soft portion is metallic.
  • the invention of the ninth aspect according to the present invention is, in the invention of the first aspect of the present invention, structured as follows: a display member having a display portion to carry out a display operation to display the contact and separation condition of the contact point portion through a penetration portion provided in the case;
  • the invention of the tenth aspect of the present invention is structured as follows.
  • an electromagnetic relay having:
  • This electromagnetic relay is structured being provided with: an iron core 1; coil bobbin 2; coil 3; yoke 4; armature 5; return spring 6; movable spring 7; movable member 8; base 9; normal close side contact terminal 10; normal open side contact terminal 11; lead wire 12; common terminal 13; coil terminal 14; case 15; display member 16; and switch 17.
  • the iron core 1 is formed of the magnetic material into the almost round bar shape.
  • the coil bobbin 2 is formed of the molding material such as plastics into the almost cylindrical shape having colors 2a on both ends of the winding drum portion, and the coil 3 is wound around the winding drum portion. Then, the iron core 1 is inserted into a through hole provided in the coil bobbin 2 winding drum portion, and its one end portion protrudes from the opening portion of the through hole. That is, the coil 3 is wound around the iron core 1 through the coil bobbin 2, and as the result, one end portion of the iron core 1, is formed as the magnetic pole portion 1a.
  • the yoke 4 is formed of the magnetic material into the L letter shape having one side piece 4a and the other side piece 4b, and the other end portion of the iron core 1 is fixed at almost the center of the one side piece 4a. This yoke 4 becomes a magnetic path of the magnetic flux generated when the coil 3 is excited.
  • the armature 5 is formed of the magnetic material into the plate shape, and the base end portion side is rotatably supported by the leading edge portion of the other side piece 4b of the yoke 4 so that its leading edge portion is oppositely positioned to the magnetic pole portion 1a of the iron core 1.
  • the return spring 6 is a coil spring, and its one end is connected to the fixed portion provided on the base end portion of the other side piece 4b of the yoke 4 and fixed, and the other end is connected to the base end portion of the armature 5.
  • This return spring 6 has the return force toward the direction in which the armature 5 whose coil 3 is not excited, is separated from the magnetic pole portion 1a of the iron core 1.
  • the movable spring 8 is formed of the thin plate spring material such as copper alloy into the plate shape, and on the both surfaces of the one end portion, the normal close side movable contact 7a and the normal open side movable contact 7b are respectively provided.
  • the first member 8a and the second member 8b are connected by a pin (not shown), and when the one member is displaced, the other member is also displaced in the same direction.
  • the first member 8a is formed of the molding material such as plastic, and the central portion of the armature 5 is integrated by the integral molding.
  • the second member 8b is formed of the molding material such as plastic, in the same manner as the first member 8a, and the central portion of the movable spring 7 is integrated by the integral molding.
  • coil terminal 14 connected to the coil 3 penetrate the base 9 and are fixed.
  • the case 15 is a box type having a bottom portion, which is an opposing portion 15a, which will be described below, and a wall portion 15b vertically provided from the bottom portion, and by being attached to the base 9, it houses each of the above described parts in the inside.
  • the display member 16 is integrally molded so that the soft portion 16c formed of bendable and deformable metallic plate, together with the first display piece 16a and the second display piece 16b both of which are formed of resin material, is positioned at the intermediate position between the both display pieces 16a and 16b.
  • the first display piece 16a is positioned at the base end side of the display member 16, and is rotatably supported by the base 9, and the extension portion 16d is extended from the central portion.
  • this extension portion 16d as shown in Fig. 7, a groove type engagement portion 16e to engage with the insertion portion 8c having the leading edge portion whose cross section is round, and extended from the first member 8a of the movable member 8, is provided.
  • this engagement portion 16e protrudes the convex stripe type regulation portion 16f to regulate the insertion portion 8c which is inserted from the side portion and engaged, from the slipping out from the opening portion in the direction almost perpendicular to the insertion direction, that is, in the reverse direction to the extension direction of the insertion portion 8c, from both side opening edges toward the inside.
  • the second display piece 16b is positioned on the leading edge side of the display member 16, and the display portion 16g to display the contact and separation condition of the contact point portion 20, through the penetration portion 15d provided in the bottom portion of the case 15, is provided on the leading edge portion.
  • the switch 17 is composed of the bar-like penetration portion 17a which penetrates the case 15 from its leading edge, and the operation portion 17b which is extended in the direction perpendicular to the penetrating direction from the base end portion of the penetration portion 17a and opposite to the base portion of the case 15.
  • the operation portion 17b is opposite to the opposing portion 15a which is the base portion of the case 15.
  • This operation portion 17b is composed of a constant thickness portion 17C which is almost elliptical on the plan view together with the penetration portion 17a, and has the constant thickness, and a spring portion 17d extended in the reverse direction to the extension direction of the constant thickness portion 17C.
  • This spring portion 17d is formed in such a manner that, as shown in Fig. 8, the dimension of the thickness of the extension portion in the reverse direction is thinner than the constant thickness portion 17c, and is made locally thinner. Further, in the spring portion 17d, the leading edge in the extension direction is formed narrower, and the opposite surface which is opposite to the opposing portion 15a of the case 15 is positioned on the same plane as the constant thickness portion 17c.
  • the protrusion-like contact portion 15c which is opposite to the operation portion 17b, that is, on the bottom portion of the case 15, is protruded toward the spring portion 17d. Accordingly, when the operation portion 17d is not pressed toward the penetration direction of the penetration portion 17a, the spring portion 17d is in contact with the contact portion 15c provided in the case 15, and a gap corresponding to the dimension of the height of the contact portion 15C is formed between the opposing surface and the opposing portion 15a of the case 15.
  • the movable spring 7 is also driven as described above, and the normal close side movable contact 7a of the movable spring 7 is separated from the normal close side fixed contact 10a of the normal close side contact terminal 10, and next to that, the normal open side movable contact 7b of the movable spring 7 comes into contact with the normal open side fixed contact 11a of the normal open side contact terminal 11.
  • the first member 8a and display member 16 are driven in the reverse direction to the above description, and the display portion 16g of the leading edge portion of the display member 16 is not visually confirmed through the penetration portion 15d of the case 15, and the contact and separation condition of the contact point portion 20 is not displayed.
  • this apparatus is, as shown in Fig. 1 to Fig. 3, in the case where the coil 3 is not excited and the armature 5 is not energized, when the constant thickness portion 17c of the operation portion 17b of the switch 17 is pressed in the penetration direction of the penetration portion 17a, the leading edge of the penetration portion 17a of the switch 17 comes into contact with the extension portion 8d extended from the second member 8b of the movable member 8, and presses and drives it, and the movable spring 7 integrated with the second member 8b is also driven, and in the same manner as in the case where the armature 5 is energized, the normal close side movable contact 7a of the movable spring 7 is separated from the normal close side fixed contact 10a of the normal close side contact terminal 10, and succeedingly, the normal open side movable contact 7b of the movable spring 7 comes into contact with the normal open side fixed contact 11a of the normal open side contact terminal 11.
  • the spring portion 17d is elastically deformed, as shown in Fig. 9, however, because the elastic deformation is conducted within the range of the dimension of the thickness, the leading edge portion in the extension direction is not protruded from the reverse surface on the reverse side to the opposing surface.
  • the operation portion 17d urges the switch 17 upwardly so that the switch is maintained normally in the condition that the gap is defined between the switch 17 and the armature 5 except at the continuity test.
  • the spring portion 17d having the elasticity along the pressing direction returns to the condition before the pressing, when the pressing is released during the pressing, it is not necessary to manually operate so that the spring portion 17d returns to that condition.
  • the spring portion 17d has the elasticity along the pressing direction, the pressing operation itself becomes easy.
  • the protruded portion is easily broken when the excessive weight is loaded, however, because the spring portion 17d is not locally protruded from the operation portion 17b to the thickness direction, the breakage hardly occurs.
  • the display motion can be adjusted so that the display motion to display the contact and separation condition of the contact point portion 20 is carried out through the penetration portion 15d provided in the case 15.
  • the soft portion 16c is made of the metallic material which has the larger strength than the molding material such as plastic, even when deformation are conducted many times for the adjustment, there is no deterioration from the deformed portion, thereby, the life of the soft portion 16c can be made long.
  • the display member 16 regulates the slipping-out of the insertion portion 8c inserted into engagement portion 16b by the regulation portion 16f, the engagement portion 16b can surely engage with the insertion portion 8c, thereby, the assembling operation becomes easy.
  • the second embodiment of the present invention will be described below.
  • the member having practically the same function as the first embodiment is denoted by the same numerals and signs, and only the different part from the first embodiment will be described.
  • the present embodiment is basically the same as the first embodiment, and in the spring portion 17d, the leading edge portion in its extension direction is bent toward the direction separating from the opposing portion 15a of the case 15, and the inclined portion 17f having the curvature is provided on the contact portion with which the contact portion 15c is brought into contact. Incidentally, this inclined portion 17f may not have the curvature.
  • the operation portion 17b in which the inclined portion 17f is provided on the contact portion with which the contact portion 15c is brought into contact can be smoothly displaced under the condition that it is brought into contact with the contact portion 15c, when the operation portion 17b is displaced in the direction perpendicular to the pressing direction so that the contact condition with the contact portion 15c is released, thereby, the release operation of the contact condition of the operation portion 17b with the contact portion 15c becomes easy.
  • the third embodiment of the present invention will be described below.
  • the member having practically the same function as the first embodiment is denoted by the same numerals and signs, and only the different part from the first embodiment will be described.
  • the contact portion 15c is protruded on the opposing portion 15a of the case 15, however, in the present embodiment, the contact portion 15c is structured such that it is protruded on the leading edge in the extension direction of the spring portion 17d of the operation portion 17b.
  • the fourth embodiment of the present invention will be described below.
  • the member having practically the same function as the third embodiment is denoted by the same numerals and signs, and only the different part from the third embodiment will be described.
  • the present embodiment is basically the same as the third embodiment, however, the opposing portion 15a is structured such that an engage portion 15e whose cross section is almost semi-circular concave portion which is engaged with the contact portion 15c is provided.
  • the spring portion 17d is hardly broken, and can be adjusted so that the display motion to display the contact and separation condition of the contact point portion 20 is conducted, and the life of the soft portion 16c can be made long, and the assembling operation becomes easy.
  • the spring portion 17d having the elasticity along the pressing direction is provided, however, as shown in Fig. 13 and Fig. 14, and further as shown in Fig. 15, even when the spring portion 17d is not provided, it is regulated by the contact portion 15c that operation portion 17b is displaced toward the opposing portion 15a, therefore,when there is no pressing, the switch 17 itself is not displaced to the pressing direction, and accordingly, the effect that the contact point portion 20 does not cause the contact trouble by the friction powder, can be attained.
  • the spring portion 17d is not provided in the operation portion 17b, the pressing operation is conducted while the rotational operation is being conducted.
  • the contact portion 15c is provided on the spring portion 17d of the operation portion 17b, and the engagement portion 15e is provided on the opposing portion of the case 15, however, as shown in Fig. 16, even when the contact portion 15c is provided on the opposing portion 15a of the case 15, and the engagement portion 15e is provided on the spring portion 17d of the operation portion 17b, because, when the engagement portion 15e is engaged with the contact portion 15c, the contact condition is stabilized, the same effect can be attained.
  • the member from which the friction powder is not generated even when it is located in contact with the penetration portion 17a of the switch 17, is the wall portion 15b of the case 15, however, it is not limited to the wall portion 15b of the case 15.
  • the switch 17 is located at one corner of the bottom portion.
  • the position of the switch 17 is not limited by these embodiments. It is applicable to locate the switch 17 at the other corner under a relay mounting condition.
  • present embodiment follows alternative contact type relay.
  • the present invention is not limited by this relay type. it is applicable for normal-close contact type or normal-open contact type contact.
  • the contact portion protruded on at least either one of the operation portion or the opposing portion comes into contact with the other, it is regulated that the operation portion is displaced toward the opposing portion, when there is no pressing, because the switch itself is not displaced in the pressing direction, even when the switch is located in contact with the other member along the pressing direction, the friction does not occur between the switch and tile other members which are located in contact with, and the friction powder is not generated accompanied by the friction, thereby, the contact point portion does not cause the contact trouble by the friction powder.
  • the spring portion having the elasticity along the pressing direction returns to the condition before the pressing, when the pressing is released during the pressing, it is not necessary to conduct the manual operation for returning.
  • the display motion in addition to the effect of the invention according to the first aspect, when the deformable soft portion is appropriately deformed, the display motion can be adjusted so that the display motion to display the contact and separation condition of the contact point portion is conducted through the penetration portion provided in the case.
  • the soft portion is made of the metallic material whose strength is higher than the molding material such as plastics, even when it is deformed many times for the adjustment, the deterioration does not occur from the deformed portion, and the life can be made longer.
  • the display member regulates the slipping out of the insertion portion inserted into the engagement portion by the regulation portion, the engagement portion can surely engage with the insertion portion, thereby, the assembly operation becomes easy.
  • an electromagnetic relay having: an iron core 1 around which a coil 3 is wound and on which a magnetic pole portion 1a is provided; an armature 5 which is attracted to and separated from the magnetic pole portion 1a of the iron core 1 and driven; a contact point portion 20 which comes into contact with and is separated from its partner, when the armature 5 is driven; and a switch 17 in which an operation portion 17b which can be pressed so that the contact point portion 20 comes into contact with and is separated from its partner, when the armature is not driven, is extended to the direction which is intersected with the pressing direction; and a case 15 having an opposing portion 15a opposite to the operation portion 17b, the electromagnetic relay is structured such that, in at least either one of the operation portion 17b or the opposing portion 15a, the contact portion 15c which can come into contact with the other when the operation portion 17b is not pressed, is protruded toward the other.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)
  • Electromagnets (AREA)
  • Relay Circuits (AREA)
EP20000118749 1999-08-31 2000-08-30 Electromagnetisches Relais Expired - Lifetime EP1081732B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24672199A JP4218145B2 (ja) 1999-08-31 1999-08-31 電磁リレー
JP24672199 1999-08-31

Publications (3)

Publication Number Publication Date
EP1081732A2 true EP1081732A2 (de) 2001-03-07
EP1081732A3 EP1081732A3 (de) 2002-09-18
EP1081732B1 EP1081732B1 (de) 2008-08-13

Family

ID=17152672

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20000118749 Expired - Lifetime EP1081732B1 (de) 1999-08-31 2000-08-30 Electromagnetisches Relais

Country Status (4)

Country Link
EP (1) EP1081732B1 (de)
JP (1) JP4218145B2 (de)
CN (1) CN1168113C (de)
DE (1) DE60039827D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2263345A1 (es) * 2004-08-19 2006-12-01 Arteche Lantegi Elkartea, S.A. Rele electromagnetico.
US9543098B2 (en) 2012-09-13 2017-01-10 Schneider Electric Industries Sas Relay and a method for indicating a relay failure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1780742B1 (de) * 2005-10-31 2011-01-19 Tyco Electronics Austria GmbH Schaltgerät mit einer Schaltvorrichtung und einem elektronischen Bauelement sowie elektrische Zusatzschaltung dafür
RU2458426C1 (ru) * 2011-07-05 2012-08-10 Общество с ограниченной ответственностью "Научно-Технический Центр Информационные Технологии" Реле электромагнитное

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220937A (en) * 1978-12-21 1980-09-02 Gulf & Western Manufacturing Company Electromechanical relay with manual override control
EP0514892A2 (de) * 1991-05-21 1992-11-25 Omron Corporation Elektromagnetische Relaisanordnung mit Testschalter
EP0524135A2 (de) * 1991-07-18 1993-01-20 Elesta Ag Elektronik Relais
EP0880158A2 (de) * 1997-05-20 1998-11-25 FINDER S.p.A. Elektromagnetisches Relais mit einer bistabilen Drucktaste für Sicherheitsprüfung
US5907268A (en) * 1997-07-01 1999-05-25 Eh-Schrack Components Ag Electromagnetic relay

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220937A (en) * 1978-12-21 1980-09-02 Gulf & Western Manufacturing Company Electromechanical relay with manual override control
EP0514892A2 (de) * 1991-05-21 1992-11-25 Omron Corporation Elektromagnetische Relaisanordnung mit Testschalter
EP0524135A2 (de) * 1991-07-18 1993-01-20 Elesta Ag Elektronik Relais
EP0880158A2 (de) * 1997-05-20 1998-11-25 FINDER S.p.A. Elektromagnetisches Relais mit einer bistabilen Drucktaste für Sicherheitsprüfung
US5907268A (en) * 1997-07-01 1999-05-25 Eh-Schrack Components Ag Electromagnetic relay

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2263345A1 (es) * 2004-08-19 2006-12-01 Arteche Lantegi Elkartea, S.A. Rele electromagnetico.
US9543098B2 (en) 2012-09-13 2017-01-10 Schneider Electric Industries Sas Relay and a method for indicating a relay failure

Also Published As

Publication number Publication date
DE60039827D1 (de) 2008-09-25
EP1081732A3 (de) 2002-09-18
EP1081732B1 (de) 2008-08-13
JP4218145B2 (ja) 2009-02-04
CN1291782A (zh) 2001-04-18
JP2001076603A (ja) 2001-03-23
CN1168113C (zh) 2004-09-22

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