WO2019026947A1 - Relais électromagnétique - Google Patents

Relais électromagnétique Download PDF

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Publication number
WO2019026947A1
WO2019026947A1 PCT/JP2018/028807 JP2018028807W WO2019026947A1 WO 2019026947 A1 WO2019026947 A1 WO 2019026947A1 JP 2018028807 W JP2018028807 W JP 2018028807W WO 2019026947 A1 WO2019026947 A1 WO 2019026947A1
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WO
WIPO (PCT)
Prior art keywords
housing
movable contact
side terminal
contact
fixed
Prior art date
Application number
PCT/JP2018/028807
Other languages
English (en)
Japanese (ja)
Inventor
弘一郎 松島
裕二 小材
Original Assignee
オムロン株式会社
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 オムロン株式会社 filed Critical オムロン株式会社
Publication of WO2019026947A1 publication Critical patent/WO2019026947A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00—Details of relays
    • H01H45/02—Bases; Casings; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • 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

Definitions

  • the present disclosure relates to a multipole electromagnetic relay.
  • the electromagnetic relay disclosed in Patent Document 1 includes a rectangular box-shaped housing having an accommodating portion inside, and two fixed contact side terminals and two movable contact side terminals fixed to the housing.
  • two fixed contact portions provided to each fixed contact side terminal, two movable contact pieces provided to each movable contact side terminal, and each movable contact piece are provided and each Two movable contact parts arranged to face fixed contact parts, an electromagnet part whose polarity is reversed according to the direction of the supplied current, and one rotation that rotates in different directions according to the polarity of the electromagnet part It is equipped with a block.
  • the housing is composed of a hollow box-like base having an opening on one side and a cover covering the opening. Further, in the electromagnetic relay, it comprises a fixed contact side terminal, a movable contact side terminal and a movable contact piece, and the movable contact piece is aligned in the direction in which the moving contact portion contacts or separates from the fixed contact portion in the base.
  • the two circuits arranged at are formed.
  • the two circuits are respectively disposed in the two housings provided in the housing, but the two housings are opened adjacent to the opening side of the base, Inside the housing, the spaces are connected to each other on the open side. Therefore, for example, when the electromagnetic relay is miniaturized, a sufficient insulation distance can not be secured between the two circuits, and there is a possibility that the two circuits may be short-circuited between the phases.
  • this indication makes it a subject to provide a multipolar electromagnetic relay which can prevent an interphase short circuit.
  • the electromagnetic relay is With a box-shaped insulating housing, A plate-like first fixed contact side terminal fixed to the housing, extending from the outside of the housing to the inside of the housing, and having a first fixed contact portion located inside the housing; A plate-shaped first movable contact-side terminal fixed to the housing, extending from the outside of the housing to the interior of the housing, and disposed electrically independent with respect to the first fixed contact-side terminal When, It has a first movable contact portion disposed inside the housing and electrically connected to the first movable contact side terminal, and has a first movable contact portion facing the first fixed contact portion, the first movable contact portion being A first movable contact piece elastically deformed in a contact / separation direction in which the first fixed contact portion contacts or is separated; The housing is fixed to the housing, extends from the outside of the housing to the inside of the housing, and is disposed electrically independent of the first fixed contact side terminal and the first movable contact side terminal, and the housing A plate-like second
  • Plate-like second movable contact-side terminals that are disposed independently It has a second movable contact portion disposed inside the housing and electrically connected to the second movable contact side terminal, and facing the second fixed contact portion, the second movable contact portion being And a second movable contact piece elastically deformed in the contact and separation direction with respect to the second fixed contact portion,
  • the first fixed contact side terminal, the first movable contact side terminal, and the first movable contact piece constitute a first conductive portion
  • the second fixed contact side terminal, the second movable contact side terminal, and The second movable contact piece constitutes a second conductive portion, and the first conductive portion and the second conductive portion are arranged side by side in the contact / separation direction.
  • Said housing is A first accommodating portion disposed inside the housing and accommodating the first conductive portion; A second accommodating portion disposed inside the housing in a state of being adjacent to the first accommodating portion in the contact and separation direction, and accommodating the second conductive portion; It has an insulating wall part which divides said 1st seat part and said 2nd seat part, A first bottom surface provided on the first accommodation portion side of one end portion in the height direction intersecting the contact / separation direction of the insulating wall portion; and the height direction of the insulating wall portion And a first opening provided on the first accommodation side of the other end, and The second accommodation portion is a second bottom surface provided on the second accommodation portion side of the other end portion of the insulating wall portion in the height direction, and one end portion of the insulating wall portion in the height direction And a second opening provided on the second housing side.
  • the housing is disposed inside the housing, and the inside of the housing in a state in which the first accommodating portion accommodating the first conductive portion is adjacent to the first accommodating portion in the contact / separation direction. And a second accommodating portion for accommodating a part of the second conductive portion, and an insulating wall portion for partitioning the first accommodating portion and the second accommodating portion.
  • the first accommodation portion is provided at a first bottom surface provided at one end in a height direction intersecting the contact / separation direction of the insulating wall and a first bottom provided at the other end in the height direction of the insulating wall.
  • an opening portion wherein the second accommodation portion is provided at a second bottom surface provided at the other end portion in the height direction of the insulating wall portion and a second opening portion provided at the one end portion in the height direction of the insulating wall portion
  • a department That is, since the first opening of the first housing and the second opening of the second housing open in opposite directions in the height direction of the insulating wall, the first housing and the second (2)
  • the space distance between the first housing portion and the second housing portion and the spread surface distance as compared with the electromagnetic relay in which the housing portion is opened adjacently in the same direction in the height direction of the insulating wall portion Can be increased.
  • FIG. 1 is a perspective view of an electromagnetic relay according to an embodiment of the present disclosure.
  • the top view of the state which removed the 1st cover of the electromagnetic relay of FIG. The bottom view in the state where the 2nd cover of the electromagnetic relay of Drawing 1 was removed.
  • FIG. 2 is a top view for explaining a drive unit of the electromagnetic relay of FIG. 1;
  • the electromagnetic relay 1 includes a box-shaped insulating housing 10 and a first fixed contact side terminal 20 fixed to the housing 10 and a first movable contact side.
  • a terminal 30, a second fixed contact side terminal 40, and a second movable contact side terminal 50 are provided.
  • Each of the first fixed contact terminal 20, the first movable contact terminal 30, the second fixed contact terminal 40, and the second movable contact terminal 50 is a substantially L-shaped rectangular plate in which an intermediate portion in the longitudinal direction is bent. In the shape of a circle. Also, the second fixed contact side terminal 40 and the second movable contact side terminal 50 are disposed between the first fixed contact side terminal 20 and the first movable contact side terminal 30, and the first fixed contact side terminal 20 Ends of the housing 10 of the first movable contact side terminal 30, the second fixed contact side terminal 40, and the second movable contact side terminal 50 on the outer side are aligned substantially in a straight line.
  • the housing 10 as shown in FIGS. 1 and 2, includes a substantially rectangular box-shaped base 11 and a substantially rectangular plate-shaped first cover 12 and a second cover 13, as shown in FIGS. 3 and 4.
  • the first housing portion 14, the second housing portion 15, and the drive unit housing portion 16 are provided therein.
  • each of the first housing portion 14, the second housing portion 15, and the drive unit housing portion 16 is in the lateral direction of the base 11 (that is, the left-right direction in FIGS. 3 and 4). ),
  • the second accommodation portion 15, the first accommodation portion 14, and the drive unit accommodation portion 16 are arranged in this order from the fourth side wall 114 to the third side wall 113. That is, the first accommodation portion 14 is disposed adjacent to the second accommodation portion 15 in the short direction of the base 11, and the drive unit accommodation portion 16 is disposed in the base 11 relative to the second accommodation portion 15. It is arrange
  • the first insulating wall portion 17 and the second insulating wall portion 18 respectively extend in the longitudinal direction of the base 11 and are arranged side by side in the lateral direction of the base 11 as shown in FIG.
  • the first ends 171 and 181 (that is, the upper ends in FIGS. 3 and 4) are mutually connected by the plate-like third insulating wall 191, and the end on the second sidewall 112 side in the longitudinal direction of the base 11 They are mutually connected by the fourth insulating wall portion 192.
  • the first accommodation portion 14 is a first end portion 171, 181 (FIG. 3) of the height direction of the base 11 of the first insulating wall portion 17 and the second insulating wall portion 18 (that is, the vertical direction in FIGS. 3 and 4). And in FIG. 4, the first bottom surface 141 provided on the side of the first accommodation portion 14 of the upper end portion), and the second end portions 172 and 182 in the height direction of the first insulating wall portion 17 and the second insulating wall portion 18. It has the 1st opening 142 provided in the 1st seat part 14 side (in Drawing 3 and Drawing 4, a lower end). Further, as shown in FIG.
  • the second insulating wall portion 18 is penetrated in the lateral direction of the base 11 at the end portion on the side of the first side wall 111 in the longitudinal direction of the base 11 of the second insulating wall portion 18.
  • a first passage portion 143 communicating with the first accommodation portion 14 and the drive unit accommodation portion 16 is provided.
  • the second accommodation portion 15 is provided at the second accommodation portion 15 side of the second end portion 172 (lower end portion in FIGS. 3 and 4) of the first insulating wall portion 17 in the height direction of the base 11.
  • the drive unit accommodation extends along the second sidewall 112 toward the third sidewall 113.
  • a second passage portion 153 connected to the portion 16 is provided.
  • the second passage portion 153 is configured by the bottom surface and the second side wall 112 of the base 11, the fourth insulating wall portion 192, and the first cover 12.
  • the drive unit storage portion 16 has a third bottom surface 161 provided on the drive unit storage portion 16 side of the second end 182 (the lower end in FIGS. 3 and 4) of the second insulating wall portion 18, and a second insulation
  • a third opening 162 is provided on the drive unit housing 16 side of the first end 181 (upper end in FIGS. 3 and 4) in the height direction of the wall 18.
  • the first cover 12 is attached to the base 11 so as to cover the first opening 142 of the first accommodating portion 14 and the third opening 162 of the drive unit accommodating portion 16. Further, the second cover 132 is attached to the base 11 so as to cover the second opening 152 of the second accommodation portion 15.
  • the first fixed contact side terminal 20 is, as shown in FIG. 5, on the first side wall 111 of the first side wall 111 and the second side wall 112 opposed in the longitudinal direction of the base 11 (ie, the left and right direction in FIG. It is fixed and extends from the outside of the housing 10 to the first accommodating portion 14.
  • the first fixed contact side terminal 20 is a direction from the first side wall 111 of the base 11 along the short direction of the base 11 to the fourth side wall 114 from the outside of the housing 10 from the first side wall 111 (that is, 5 is connected to the end of the outer terminal 201 on the side of the first side wall 111, and the inside of the housing 10 is arranged along the longitudinal direction of the base 11 from the first side wall 111 to the first side.
  • an inner terminal 202 extending toward the side wall 112.
  • the first fixed contact portion 21 is fixed to the surface of the inner terminal 202 facing the fourth side wall 114.
  • the first fixed contact portion 21 is disposed in the vicinity of the first side wall 111 of the base 11.
  • the first movable contact side terminal 30 is fixed to the fourth side wall 114 side with respect to the first fixed contact side terminal 20 of the second side wall 112 of the base 11 as shown in FIG. It extends from the outside of the housing 10 to the first accommodating portion 14 in an electrically independent manner.
  • the first movable contact side terminal 30 has the outside of the housing 10 from the second side wall 112 of the base 11 and the third side wall 113 to the fourth side wall along the lateral direction of the base 11.
  • the external terminal 301 extending in the direction toward 114 and the end of the external terminal 301 on the second side wall 112 side are connected, and the inside of the housing 10 is arranged along the longitudinal direction of the base 11 from the second side wall 112 to the first side.
  • an inner terminal 302 extending toward the side wall 111.
  • a first movable contact piece 31 is provided at an end portion 303 of the inner terminal 302 of the first movable contact-side terminal 30 on the first sidewall 111 side.
  • the first movable contact piece 31 is disposed in the first accommodation portion 14 and extends from the end portion 303 of the first movable contact side terminal 30 toward the first fixed contact side terminal 20.
  • the first movable contact piece 31 is, for example, a plate-like laminate in which three elastically deformable rectangular plate members having conductivity are stacked in the plate thickness direction, and one end of the first movable contact piece 31 is The plate surface is fixed in contact with the plate surface of the end portion 303 of the inner terminal 302 of the first movable contact-side terminal 30.
  • a first movable contact portion 32 is fixed to the surface of the other end of the first movable contact piece 31 in the longitudinal direction opposite to the third side wall 113 of the base 11.
  • the first movable contact portion 32 is disposed to face the first fixed contact portion 21, and the first movable contact piece 31 is elastically deformed to form the base 11 relative to the first fixed contact portion 21. It contacts or breaks along the short direction.
  • first movable contact portion 32 of the first movable contact piece 31 and the end portion 303 of the first movable contact side terminal 30 protrudes in a U shape toward the third side wall 113 of the base 11.
  • a curved portion 33 is provided.
  • the bending portion 33 can absorb and reduce the amount of bending of the first movable contact piece 31 when the first movable contact piece 31 is elastically deformed, and smooth operation characteristics can be ensured.
  • the second fixed contact side terminal 40 is fixed to the fourth side wall 114 side of the first movable contact side terminal 30 of the second side wall 112 of the base 11, and the first fixed contact side terminal 20 and It extends from the outside of the housing 10 to the second accommodation portion 15 in a state of being electrically independent of the first movable contact terminal 30.
  • the second fixed contact side terminal 40 extends outside the housing 10 from the second side wall 112 of the base 11 to the direction from the third side wall 113 to the fourth side wall 114 along the short direction of the base 11
  • a terminal 401 is connected to an end of the outer terminal 401 on the second sidewall 112 side, and the inside of the housing 10 extends from the second sidewall 112 of the base 11 along the longitudinal direction of the base 11 toward the first sidewall 111
  • the second fixed contact portion 41 is fixed to the surface of the inner terminal 402 facing the third side wall 113.
  • the second fixed contact portion 41 is disposed in the vicinity of the second side wall 112 of the base 11.
  • the second movable contact side terminal 50 is fixed to the end of the fourth side wall 114 of the base 11 on the first side wall 111 side, and the first fixed contact side terminal 20, the first movable contact side terminal 30 and extends from the outside of the housing 10 to the second accommodation portion 15 in an electrically independent state with respect to the second fixed contact side terminal 40.
  • the second movable contact side terminal 50 extends from the fourth side wall 114 of the base 11 to the outside of the housing 10 along the short direction of the base 11 and an outer terminal 501 extending away from the third side wall 113;
  • An inner terminal 502 is connected to an end of the terminal 501 on the fourth side wall 112 side and extends inside the housing 10 from the fourth side wall 114 to the first side wall 111 to the second side wall 112 along the longitudinal direction of the base 11. And consists of.
  • a second movable contact piece 51 is provided at an end 503 of the inner terminal 502 of the second movable contact-side terminal 50 on the second sidewall 111 side.
  • the second movable contact piece 51 is disposed in the second accommodation portion 15 adjacent to the first movable contact piece 31 in the thickness direction of the first movable contact piece 31 (that is, the short direction of the base 11), It extends from the end portion 503 of the movable contact side terminal 50 toward the second fixed contact side terminal 40.
  • the second movable contact piece 51 is a plate-like laminate in which three elastically deformable rectangular plate members having conductivity are overlapped in the plate thickness direction, similarly to the first movable contact piece 31.
  • the plate surface of one end portion in the longitudinal direction is fixed in contact with the plate surface of the end portion 503 of the inner terminal 502 of the second movable contact terminal 50.
  • the second movable contact portion 52 is fixed to the surface of the other end of the second movable contact piece 51 in the longitudinal direction opposite to the fourth side wall 114 of the base 11.
  • the second movable contact portion 52 is disposed to face the second fixed contact portion 41, and the second movable contact piece 51 elastically deforms to allow the base 11 to move relative to the second fixed contact portion 41. It contacts or breaks along the short direction.
  • the curved portion 53 can absorb and reduce the amount of bending of the second movable contact piece 51 when the second movable contact piece 51 is elastically deformed, and can ensure smooth operation characteristics.
  • the first fixed contact side terminal 20, the first movable contact side terminal 30, and the first movable contact piece 31 constitute the first conductive portion 3
  • the terminal 50 and the second movable contact piece 51 constitute a second conductive portion 4.
  • a portion of the first conductive portion 3 excluding the outer terminal 201 of the first movable contact side terminal 20 and the outer terminal 301 of the first movable contact side terminal 30 is accommodated in the first accommodation portion 14
  • the second conductive portion 4 is A portion excluding the outer terminal 401 of the second fixed contact side terminal 40 and the outer terminal 501 of the second movable contact side terminal 50 is accommodated in the second accommodation portion 15.
  • the electromagnetic relay 1 includes the drive unit 2 having the electromagnet unit 60, the rotation block 70, the insulating first movable member 90, and the insulating second movable member 100. There is.
  • the drive unit 2 is accommodated in a drive unit accommodating portion 16 of the housing 10.
  • the electromagnet part 60 is arrange
  • the electromagnet portion 60 is formed on the outer surface of the coil 61 from both axial ends of the coil 61 wound around the winding central axis CL extending in the longitudinal direction of the base 11 and the electromagnet portion 60 in which the winding central axis CL extends. It has a plate-like first yoke 62 and a plate-like second yoke 63 extending respectively along it.
  • the first yoke 62 and the second yoke 63 are disposed between the first movable contact piece 31 and the second movable contact piece 51 and the electromagnet unit 60.
  • the electromagnet unit 60 is provided with a coil terminal, and currents of two different directions can be selectively supplied to the electromagnet unit 60 through the coil terminal.
  • the first yoke 62 extends from the third sidewall 113 to the fourth sidewall 114 along the first sidewall 111 of the base 11 from the end on the first sidewall 111 side in the axial direction of the electromagnet unit 60.
  • a connection 621 extending in a direction (ie, downward in FIG. 7) and a first sidewall 111 from the first side wall 111 along the extension direction of the winding central axis CL from the tip of the connection 621 remote from the electromagnet 60.
  • a suction portion 622 extends in a direction toward the side wall 112 (that is, rightward in FIG. 7).
  • the second yoke 63 extends from the third sidewall 113 to the fourth sidewall 114 along the second sidewall 112 of the base 11 from the end on the second sidewall 112 side in the axial direction of the electromagnet unit 60.
  • the suction portion 632 extending in the left direction of FIG.
  • the suction portion 622 of the first yoke 62 and the suction portion 632 of the second yoke 63 have an extension of the winding central axis CL in a plan view along the height direction of the base 11 (that is, the penetrating direction in FIG. 7).
  • the center lines extending along the existing direction are arranged to coincide with each other. That is, the distal end surface of the suction portion 622 of the first yoke 62 and the distal end surface of the suction portion 632 of the second yoke 63 are opposed to each other, and a rotational block arrangement space in which the rotational block 70 can be disposed therebetween 64 are provided.
  • protrusions 625 and 635 protruding in the height direction of the base 11 are provided on the suction portion 622 of the first yoke 62 and the suction portion 632 of the second yoke 63, respectively.
  • the protrusions 625 and 635 can be fitted into through holes 661 and 662 of a fixing plate 66 described later.
  • the pivot block arrangement of the drive unit housing portion 16 is pivotable about the pivot shaft 71 extending in the height direction of the base 11 with respect to the base 11 of the housing 10 as shown in FIG. It is disposed in the space 64 and pivots in different directions with respect to the base 11 of the housing 10 according to the direction of the current supplied to the electromagnet unit 60.
  • the pivoting block 70 is disposed on the block housing 72 so as to face the block housing 72 (shown in FIG. 5), a permanent magnet 73 provided inside the block housing 72, and the permanent magnet 73. It has the plate-like 1st iron piece 74 and the plate-like 2nd iron piece 75 which were fixed.
  • a first arm 721 extending toward the first side wall 111 of the base 11 is provided at an end on the fourth side wall 114 side and the first side wall 111 side of the block housing 72, and the fourth side wall of the block housing 72
  • a second arm 722 extending toward the second side wall 112 of the base 11 is provided at the end on the 114 side and the second side wall 112 side.
  • the first iron piece 74 has a first end 741 protruding from the permanent magnet 73 toward the first yoke 63 and a second end 742 protruding from the permanent magnet 73 toward the second yoke 63.
  • the suction portion 622 of the first yoke 62 and the suction portion 632 of the second yoke 63 are disposed on the third side wall 113 side.
  • the second iron piece 75 has a first end 751 protruding from the permanent magnet 73 toward the first yoke 63 and a second end 752 protruding from the permanent magnet 73 toward the second yoke 63.
  • the suction portion 622 of the first yoke 62 and the suction portion 632 of the second yoke 63 are disposed on the fourth side wall 114 side.
  • a first yoke 62 is disposed between the first ends 741 and 751 of the first iron piece 74 and the second iron piece 75, and the first end 741 or 751 of any one of the first iron piece 74 and the second iron piece 75. Is configured to contact the first yoke 62 in the turning direction of the turning block 70.
  • the second yoke 63 is disposed between the second ends 742 and 752 of the first iron piece 74 and the second iron piece 75, and the second end 742 of one of the first iron piece 74 and the second iron piece 75. 752 are configured to contact the second yoke 63 in the rotation direction of the rotation block 70.
  • the pivot block 70 is rotatably supported by the base 11 of the housing 10 and a fixing plate 66 fixed to the first yoke 62 and the second yoke 63 of the electromagnet unit 60.
  • the fixing plate 66 has a substantially rectangular plate shape, and has through holes 661 and 662 penetrating in the plate thickness direction at both end portions in the longitudinal direction.
  • the through holes 661 and 662 are respectively fitted to the projection 625 of the first yoke 62 and the projection 635 of the second yoke 63.
  • an axial hole portion 663 into which the pivot shaft portion 76 of the block housing 72 constituting the pivot shaft 71 of the pivot block 70 can be inserted.
  • the first movable member 90 is disposed in the first passage portion 143 of the base 11 and connected to the first movable contact piece 31 and the first arm portion 721 of the pivot block 70.
  • the first movable contact piece 32 is elastically deformed to move or contact the first fixed contact portion 21 with respect to the first fixed contact portion 21 by moving according to the turning direction of the turning block 70.
  • the first movable member 90 is in the contact / separation direction in which the first movable contact portion 32 contacts or separates from the first fixed contact portion 21 when the pivoting block 70 rotates (ie, the short side of the base 11 Can be converted into linear motion in the direction (vertical direction in FIG. 5), and is connected to the tip of the first arm 721 of the pivot block 70 while allowing the pivot block 70 to pivot.
  • the first movable contact piece 31 is connected to the end on the side of the first side wall 111 in the extending direction (that is, the end on the left side in FIG. 5).
  • the first movable member 90 is moved in the contact and separation direction by the rotation of the rotation block 70, and the end on the first side wall 111 side in the extension direction of the first movable contact piece 31 is the first movable contact portion It moves in the contact / separation direction in which 32 contacts or separates from the first fixed contact portion 21.
  • the second movable member 100 is disposed in the second passage portion 153 of the base 11 and connected to the second movable contact piece 51 and the second arm portion 722 of the pivot block 70.
  • the second movable contact piece 52 is made to contact or separate from the second fixed contact portion 41 by elastically deforming the second movable contact piece 51 by moving according to the turning direction of the turning block 70.
  • the contact / separation direction in which the second movable contact portion 52 contacts or separates from the second fixed contact portion 41 as the rotation of the rotation block 70 (that is, the vertical direction in FIG. 5) And is connected to the end of the second arm 722 of the pivot block 70 while allowing the pivot block 70 to pivot, and the second movable contact piece 51 It is connected to the end on the second side wall 112 side in the extending direction (that is, the end on the right side in FIG. 5).
  • the second movable member 100 is moved in the contact and separation direction by the rotation of the rotation block 70, and the end on the second side wall 112 side in the extension direction of the second movable contact piece 51 is the second movable contact portion
  • the second fixed contact portion 41 is moved in the contacting / separating direction in which it contacts or separates.
  • the operating state shown in FIG. 5 ie, the first end 751 of the second iron piece 75 of the pivot block 70 contacts the suction portion 622 of the first yoke 62
  • the second end 742 of the first iron piece 74 contacts the suction portion 632 of the second yoke 63
  • the first movable contact portion 32 and the first fixed contact portion 21 contact each other
  • the second movable contact portion 52 and the second movable contact portion 52 2 A current in a predetermined direction (for example, the A direction in FIG.
  • the electromagnetic relay 1 returns from the operating state (that is, the first end 741 of the first iron piece 74 of the pivot block 70 contacts the suction portion 622 of the first yoke 62, The second end 752 of the second iron piece 75 contacts the suction portion 632 of the second yoke 63 to separate the first movable contact portion 32 from the first fixed contact portion 21 and the second movable contact portion 52 2)
  • the fixed contact portion 41 is in the state of being separated and in contact with each other.
  • the first movable contact piece 31 is disposed on one side (for example, the left side in FIG. 2) of the extending direction of the first movable contact piece 31 intersecting in the contact / separation direction
  • the first fixed contact side terminal 20 or the first movable contact side terminal 30 (here, the first fixed contact side terminal 20) is a terminal to which current is supplied.
  • the second fixed contact side terminal 40 or the second movable contact disposed on the other side (for example, the right side in FIG. 2) of the first movable contact piece 31 with respect to the second movable contact piece 51
  • the side terminal 50 (here, the second fixed contact side terminal 40) is a terminal to which current is supplied.
  • the second fixed portion is constituted by the first conductive portion 3 configured by the first fixed contact side terminal 20, the first movable contact side terminal 30, and the first movable contact piece 31 at the time of energization.
  • Currents in opposite directions flow through the contact-side terminal 40, the second movable contact-side terminal 50, and the second conductive portion 4 configured by the second movable contact piece 51.
  • the electromagnet block 60 of the electromagnetic relay 1 in the return state is supplied with a current in a direction different from the predetermined direction (for example, the B direction in FIG. 5) to make the pivot block 70 a pivot shaft 71 of the pivot block 70. It rotates counterclockwise as viewed from the extending direction. Then, with the rotation of the pivot block 70, the respective arm portions 721 and 722 also rotate counterclockwise to move the first movable member 90 toward the third side wall 113 of the base 11, and thereby the first movable contact The second movable member 52 is moved to the second fixed contact portion 41 by bringing the portion 32 into contact with the first fixed contact portion 21 and moving the second movable member 100 toward the fourth side wall 114 of the base 11. Contact to the other side.
  • the predetermined direction for example, the B direction in FIG. 5
  • the housing 10 is disposed inside the housing 10, and the first housing portion 14 housing the first conductive portion 3, and the housing being adjacent to the first housing portion 14 in the contact / separation direction 10, and has a second accommodating portion 15 for accommodating a portion of the second conductive portion 4 and a first insulating wall portion 17 for partitioning the first accommodating portion 14 and the second accommodating portion 15 There is.
  • a first bottom surface 141 provided at one end portion in the height direction (for example, orthogonally crossed) of the first accommodation portion 14 with the first insulating wall portion 17 crossing the contact / separation direction of the first insulating wall portion 17;
  • a second bottom surface in which the second accommodation portion 15 is provided at the other end of the first insulating wall portion 17 in the height direction.
  • a second opening 152 is provided at one end of the first insulating wall 17 in the height direction. That is, since the first opening 142 of the first accommodation portion 14 and the second opening 152 of the second accommodation portion 15 are opened in opposite directions in the height direction of the first insulating wall portion 17.
  • the first housing portion 14 and the second housing portion 15 are compared with the electromagnetic relay in which the first housing portion and the second housing portion are adjacently opened in the same direction in the height direction of the insulating wall portion. Spatial distance and the distance between the extended surfaces can be increased.
  • first opening 142 of the first accommodation portion 14 and the second opening 152 of the second accommodation portion 15 are opened in opposite directions to each other in the height direction of the first insulating wall portion 17.
  • the drive unit housing portion 16 houses the drive unit 2 having the electromagnet portion 60, the rotation block 70, the first movable member 90, and the second movable member 100, and the height of the second insulating wall portion 18 is high.
  • a third bottom surface 161 provided at one end in the longitudinal direction and a third opening 162 provided at the other end in the height direction of the second insulating wall portion 18 are provided. Therefore, the drive unit 2 (for example, the first movable member 90 and the second movable member 100) can be accommodated in the drive unit accommodation portion 16 from the same direction through the third opening 162, and can be easily assembled.
  • the electromagnetic relay 1 can be realized.
  • the second fixed contact side terminal 40 and the second movable contact side terminal 50 are disposed between the first fixed contact side terminal 20 and the first movable contact side terminal 30. Therefore, for example, the first movable contact side terminal and the second fixed contact side terminal are disposed between the first fixed contact side terminal and the second movable contact side terminal, and the first movable contact side terminal is the first Compared with the electromagnetic relay disposed adjacent to the fixed contact-side terminal and the second fixed contact-side terminal adjacent to the second movable contact-side terminal, the first movable contact piece 31 in the contact / separation direction The distance between the second movable contact piece 51 can be reduced. As a result, it is possible to save the space of the base 11 in the approaching and separating direction (that is, the short direction of the base 11).
  • the inner terminal 302 and the first movable contact piece 31 of the first movable contact-side terminal 30, and the second movable contact face each other with the plate surface of the second movable contact piece 51 facing the third side wall 113.
  • the inner terminal 502 of the side terminal 50 and the second movable contact piece 51 extend substantially in parallel with each other.
  • the electromagnetic repulsive force becomes stronger as the distance in the contact / separation direction between the first conductive portion 3 and the second conductive portion 4 (that is, the distance in the lateral direction of the base 11) becomes smaller.
  • the first conductive portion 3 and the second conductive portion 4 are respectively housed in the first housing portion 14 and the second housing portion 15 inside the base 11, so the first conductive portion 3 and the second conductive portion 4 are The distance between the first conductive portion 3 and the second conductive portion 4 in the contact / separation direction can be reduced while securing the insulation between the second conductive portions 4.
  • contact reliability of the movable contact portions 32, 52 to the corresponding fixed contact portions 21, 41 by electromagnetic repulsion is A high electromagnetic relay 1 can be realized.
  • the said electromagnetic relay 1 although two electroconductive parts (namely, the 1st electroconductive part 3 and the 2nd electroconductive part 4) are provided, it does not restrict to this.
  • a plurality of conductive parts may be provided, and three or more conductive parts may be provided.
  • the housing portions capable of housing the respective conductive portions may be provided in accordance with the number of the conductive portions, and the two adjacent housings in the height direction of the insulating wall that divides the two adjacent housings.
  • the openings of the parts may be provided to open in mutually opposite directions.
  • the drive unit 2 is not limited to the case in which the electromagnet unit 60, the rotation block 70, the first movable member 90, and the second movable member 100 are provided.
  • the first movable contact piece 31 and the second movable contact piece 51 are moved to move the first movable contact portion 32 to the first fixed contact portion 21 and the second movable contact portion 52 to the second fixed contact portion Any configuration can be adopted as long as the configuration can be made to contact or separate 41.
  • the electromagnetic relay 1 currents in opposite directions are made to flow in the first conductive portion 3 and the second conductive portion 4, however, currents in the same direction may be applied depending on the design of the electromagnetic relay, etc. May be configured to flow.
  • the electromagnetic relay 1 of the first aspect of the present disclosure is With a box-shaped insulating housing 10, A plate-shaped first fixed contact side terminal 20 fixed to the housing 10 and extending from the outside of the housing 10 to the inside of the housing 10 and having a first fixed contact portion 21 positioned inside the housing 10 When, A plate-shaped first member is fixed to the housing 10, extends from the outside of the housing 10 to the inside of the housing 10, and is disposed so as to be electrically independent of the first fixed contact terminal 20.
  • the first movable contact portion 32 is disposed inside the housing 10 and electrically connected to the first movable contact side terminal 30, and has a first movable contact portion 32 facing the first fixed contact portion 21;
  • a first movable contact piece 31 which is elastically deformed in a contact / separation direction in which the movable contact portion 32 contacts or separates from the first fixed contact portion 21; It is fixed to the housing 10, extends from the outside of the housing 10 to the inside of the housing 10, and is disposed so as to be electrically independent of the first fixed contact terminal 20 and the first movable contact terminal 30.
  • the first fixed contact side terminal 20, the first movable contact side terminal 30, and the second fixed contact side are fixed to the housing 10 and extend from the outside of the housing 10 to the inside of the housing 10.
  • a second movable contact portion 52 is disposed inside the housing 10 and electrically connected to the second movable contact side terminal 50, and has a second movable contact portion 52 facing the second fixed contact portion 41, and the second movable contact portion 52
  • the movable contact portion 52 includes a second movable contact piece 51 elastically deformed in the contact and separation direction with respect to the second fixed contact portion 41,
  • the first fixed contact side terminal 20, the first movable contact side terminal 30, and the first movable contact piece 31 constitute a first conductive portion 3, and the second fixed contact side terminal 40, the second movable
  • the contact-side terminal 50 and the second movable contact piece 51 constitute the second conductive portion 4, and the first conductive portion 3 and the second conductive portion 4 are arranged side by side in the contact and separation direction.
  • the housing 10 is A first housing portion 14 disposed inside the housing 10 and housing the first conductive portion 3; A second accommodating portion 15 disposed inside the housing 10 in a state of being adjacent to the first accommodating portion 14 in the contact and separation direction, and accommodating the second conductive portion 4; It has an insulating wall portion 17 which divides the first accommodation portion 14 and the second accommodation portion 15;
  • the first bottom surface 141 is provided on the first housing portion 14 side of the one end portion in the height direction where the first housing portion 14 intersects the contact / separation direction of the insulating wall portion 17;
  • a first opening 142 provided on the side of the first accommodation portion 14 at the other end in the height direction,
  • a second bottom surface 151 provided on the second accommodation portion 15 side of the other end portion of the insulating wall portion 17 in the height direction of the insulating wall portion 17, and the height direction of the insulating wall portion 17
  • a second opening 152 provided on the second accommodation portion 15 side of the one end portion.
  • the first opening 142 of the first housing 14 and the second opening 152 of the second housing 15 are opposite to each other in the height direction of the insulating wall 17. Since the first housing portion 14 and the second housing portion 15 are opened in the same direction as the electromagnetic relay in which the first housing portion 14 and the second housing portion 15 are adjacently opened in the same direction in the height direction of the insulating wall portion, The spatial distance and the spread surface distance between the portion 14 and the second accommodation portion 15 can be increased. As a result, a sufficient insulation distance can be secured between the first conductive portion 3 housed in the first housing portion 14 and the second conductive portion 4 housed in the second housing portion 15, and the first conductive portion It is possible to prevent an interphase short between 3 and the second conductive portion 4.
  • the electromagnetic relay 1 of the second aspect of the present disclosure is An electromagnet unit 60 disposed inside the housing 10 and capable of selectively supplying current in different directions;
  • the electromagnet is disposed in a pivot block disposition space 64 inside the housing 10 so as to be pivotable about a pivot axis 71 extending in the direction in which the contact and separation direction and the height direction of the insulating wall portion 17 intersect.
  • a pivot block 70 which pivots in different directions with respect to the housing 10 in accordance with the direction of the current supplied to the portion 60;
  • the rotation direction of the rotation block 70 is connected to one end of the rotation block 70 disposed in the housing 10 and in the direction crossing the rotation axis 71 of the rotation block 70 and the first movable contact piece 31.
  • a first movable member 90 which moves in response to the first movable contact piece 31 so as to elastically deform the first movable contact piece 31 to bring the first movable contact portion 32 into contact with or separate from the first fixed contact portion 21;
  • the other end of the rotation block 70 disposed in the housing 10 and connected to the other end of the rotation block 70 in the direction intersecting with the rotation shaft 71 and the second movable contact piece 51, and the rotation of the rotation block 70
  • a second movable member 100 which moves in accordance with the direction to elastically deform the second movable contact piece 51 to bring the second movable contact portion 52 into contact with or separate from the second fixed contact portion 41.
  • the housing 10 is disposed side by side with the first housing portion 14 and the second housing portion 15 in the contact and separation direction, and the electromagnet portion 60, the rotation block 70, the first movable member 90, and A drive unit storage portion 16 for housing the drive unit 2 having the second movable member 100,
  • the third bottom surface 161 provided at the drive unit storage portion 16 side of the one end portion of the insulating wall portion 17 in the height direction of the drive wall portion 16 and the height direction of the insulating wall portion 17
  • a third opening 162 provided on the side of the drive unit housing 16 at the other end.
  • the drive unit 2 for example, the first movable member 90 and the second movable member 100 can be accommodated in the drive unit accommodating portion 16 from the same direction through the third opening 162.
  • the electromagnetic relay 1 can be realized which can be easily assembled.
  • the electromagnetic relay 1 of the third aspect of the present disclosure is The second fixed contact side terminal 40 and the second movable contact side terminal 50 are disposed between the first fixed contact side terminal 20 and the first movable contact side terminal 30.
  • the first movable contact side terminal and the second fixed contact side terminal are disposed between the first fixed contact side terminal and the second movable contact side terminal, and 1 Direction of contact and separation as compared with the electromagnetic relay in which the movable contact side terminal is disposed adjacent to the first fixed contact side terminal and the second fixed contact side terminal is disposed adjacent to the second movable contact side terminal.
  • the distance between the first movable contact piece 31 and the second movable contact piece 51 can be reduced.
  • the housing 10 can be space-saving in the contact / separation direction.
  • the electromagnetic relay of the present disclosure can be applied to, for example, a smart meter.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
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Abstract

La présente invention concerne un relais électromagnétique pourvu d'un boîtier comportant une première partie de réception qui loge une première partie électroconductrice, une seconde partie de réception qui loge une seconde partie électroconductrice et qui est adjacente à la première partie de réception dans une direction de contact/séparation, et une partie paroi isolante servant à séparer les première et seconde parties de réception. La première partie de réception présente une première surface inférieure située sur le côté de la première partie de réception d'une section d'extrémité de la partie paroi isolante par rapport au sens de la hauteur, et une première ouverture située sur le côté de la première partie de réception de l'autre section d'extrémité de la partie paroi isolante par rapport au sens de la hauteur. La seconde partie de réception présente une seconde surface inférieure située sur le côté de la seconde partie de réception de l'autre section d'extrémité de la partie paroi isolante par rapport au sens de la hauteur, et une seconde ouverture située sur le côté de la seconde partie de réception de la section d'extrémité de la partie paroi isolante par rapport au sens de la hauteur.
PCT/JP2018/028807 2017-08-04 2018-08-01 Relais électromagnétique WO2019026947A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-151944 2017-08-04
JP2017151944A JP6897408B2 (ja) 2017-08-04 2017-08-04 電磁継電器

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WO2019026947A1 true WO2019026947A1 (fr) 2019-02-07

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WO (1) WO2019026947A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN211628986U (zh) * 2020-02-25 2020-10-02 东莞市中汇瑞德电子股份有限公司 继电器的壳体安装结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54177229U (fr) * 1978-06-01 1979-12-14
JPH0581989A (ja) * 1991-09-25 1993-04-02 Matsushita Electric Works Ltd リレー
US20090033446A1 (en) * 2007-08-01 2009-02-05 Coldi L.L.C. Electromagnetic relay assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54177229U (fr) * 1978-06-01 1979-12-14
JPH0581989A (ja) * 1991-09-25 1993-04-02 Matsushita Electric Works Ltd リレー
US20090033446A1 (en) * 2007-08-01 2009-02-05 Coldi L.L.C. Electromagnetic relay assembly

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JP2019032946A (ja) 2019-02-28

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