WO2022185751A1 - 電磁継電器 - Google Patents
電磁継電器 Download PDFInfo
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- WO2022185751A1 WO2022185751A1 PCT/JP2022/001513 JP2022001513W WO2022185751A1 WO 2022185751 A1 WO2022185751 A1 WO 2022185751A1 JP 2022001513 W JP2022001513 W JP 2022001513W WO 2022185751 A1 WO2022185751 A1 WO 2022185751A1
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- Prior art keywords
- movable contact
- case
- contact
- fixed
- contact piece
- Prior art date
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- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 239000011810 insulating material Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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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
- H01H50/36—Stationary parts of magnetic circuit, e.g. yoke
- H01H50/38—Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
-
- 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
- H01H50/54—Contact arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/546—Contact arrangements for contactors having bridging contacts
Definitions
- the present invention relates to electromagnetic relays.
- An electromagnetic relay has a fixed terminal including a fixed contact and a movable contact piece including a movable contact that can contact the fixed contact.
- a fixed terminal including a fixed contact
- a movable contact piece including a movable contact that can contact the fixed contact.
- an electromagnetic repulsive force acts in the direction in which the movable contact separates from the fixed contact due to the current flowing between the movable contact and the fixed contact. Therefore, when a large current is applied, the contact pressure between the movable contact and the fixed contact may decrease due to this electromagnetic repulsive force.
- the electromagnetic relay disclosed in Patent Document 1 has a portion through which current flows in a direction opposite to the current flowing between the movable contact and the fixed contact in order to suppress a decrease in contact pressure between the movable contact and the fixed contact due to electromagnetic repulsion. is provided on the fixed terminal.
- the fixed terminal is formed in a C shape, and is arranged so that a part of the fixed terminal overlaps the movable contact piece in the longitudinal direction of the movable contact piece.
- Patent Document 1 an insulating cover is attached to the fixed terminal in order to protect the fixed terminal from an arc generated between contacts. and parts costs increase.
- An object of the present invention is to reduce the manufacturing cost of an electromagnetic relay having fixed terminals overlapping the movable contact pieces in the longitudinal direction of the movable contact pieces.
- An electromagnetic relay includes a case, a movable contact piece, a fixed terminal, a driving device, and an insulating wall.
- the case is made of an insulating material.
- the movable contact piece includes a movable contact and is arranged inside the case.
- the first fixed terminal is held by the case.
- the first fixed terminal includes a fixed contact, a contact support portion, an extension portion, and a bent portion.
- the first fixed contact is arranged to face the movable contact.
- the contact support supports the fixed contacts.
- the extension extends in the longitudinal direction of the movable contact piece from the contact support.
- the bent portion bends from the extending portion in a first direction from the fixed contact to the movable contact and overlaps the movable contact piece in the longitudinal direction of the movable contact piece.
- the driving device is arranged inside the case and moves the movable contact piece in a first direction and a second direction from the movable contact to the fixed contact.
- the insulating wall insulates arcs generated between the fixed contact and the movable contact from the bent portion.
- the insulating wall is integrally formed with the case and arranged between the bent portion and the movable contact piece.
- an insulating wall that insulates the arc generated between the fixed contact and the movable contact from the bent portion of the fixed terminal is integrally formed in the case made of an insulating material, and the driving device is arranged inside the case. It is As a result, compared to the case where the insulating wall is formed as a separate part from the case, it is possible to suppress an increase in assembly cost and part cost of the electromagnetic relay. As a result, the manufacturing cost of the electromagnetic relay can be suppressed.
- the fixed terminal may be held only by the case. In this case, it is possible to further suppress increases in assembly costs and component costs of the electromagnetic relay.
- the contact support part of the fixed terminal may be separated from the case. In this case, movement of the arc is less likely to be hindered by the contact support.
- the case includes a case main body including an opening that opens on one side in the width direction of the movable contact piece, a cover that closes the opening, and the case main body, and the fixed terminal is inserted from one side in the width direction of the movable contact piece. and an insertion groove.
- the fixed terminal can be held by the case with a simple configuration.
- the fixed terminal may further include an external connection portion arranged outside the case.
- the case may include an inner support portion that supports a surface of the extending portion of the fixed terminal facing the first direction inside the case, and an outer support portion that supports a surface of the external connection portion facing the first direction.
- the electromagnetic relay may further include one or more magnets that generate a magnetic field for extending the arc, and a yoke connected to the one or more magnets. At least one of the one or more magnets and the yoke may be positioned adjacent the inner support. In this case, one or more magnets and/or yokes can strengthen the inner support.
- the electromagnetic relay may further include one or more magnets that generate a magnetic field for extending the arc, and a yoke connected to the one or more magnets. At least one of the one or more magnets and the yoke may be positioned adjacent to the outer support. In this case, one or more magnets and/or yokes can stiffen the outer support.
- FIG. 1 is a perspective view of an electromagnetic relay
- FIG. FIG. 4 is a partial perspective view of the electromagnetic relay when the lid is removed; It is a sectional view of an electromagnetic relay.
- 1 is a partial cross-sectional view of an electromagnetic relay; FIG.
- the X1 direction is the left direction
- the X2 direction is the right direction
- the Y1 direction is the forward direction
- the Y2 direction is the rearward direction
- the Z1 direction is the upward direction
- the Z2 direction is the downward direction.
- the electromagnetic relay 100 includes a case 2, a contact device 3, and a drive device 4.
- the case 2 has a substantially rectangular box shape and is made of an insulating material such as resin.
- the case 2 includes a case body portion 21, a lid portion 22, inner support portions 23 and 24, outer support portions 25 and 26, and insertion grooves 27 and 28. As shown in FIG.
- the case main body 21 includes a left wall 21a, a right wall 21b, an upper wall 21c, a lower wall 21d, a rear wall (not shown), and an opening 21e.
- the left wall 21a and the right wall 21b extend in the front-back direction and the up-down direction.
- the left wall 21a faces the right wall 21b in the left-right direction.
- the upper wall 21c and the lower wall 21d extend in the front-rear direction and the left-right direction.
- the upper wall 21c vertically faces the lower wall 21d.
- the rear wall extends in the left-right direction and the up-down direction.
- the rear wall is connected to left wall 21a, right wall 21b, upper wall 21c and lower wall 21d.
- the opening 21e opens in a rectangular shape forward from the rear wall.
- the lid portion 22 is attached to the case main body portion 21 so as to close the opening 21e.
- the lid portion 22 is attached to the case main body portion 21 from the front toward the opening 21e so as to close the opening 21e. As shown in FIG. 1, the lid portion 22 includes support projections 22a and 22b projecting forward. The support protrusion 22a is inserted into the insertion groove 27. As shown in FIG. The support protrusion 22b is inserted into the insertion groove 28. As shown in FIG.
- the inner support portion 23 is formed so as to protrude rightward from the inner surface of the left wall 21a.
- the inner support portion 24 is formed to protrude leftward from the inner surface of the right wall 21b.
- the upper surfaces of the inner support portions 23 and 24 are formed flat. That is, the upper surfaces of the inner support portions 23 and 24 include planes perpendicular to the vertical direction.
- the outer support portion 25 is formed to protrude leftward from the outer surface of the left wall 21a.
- the outer support portion 25 is arranged below the inner support portion 23 .
- the outer support portion 26 is formed so as to protrude rightward from the outer surface of the right wall 21b.
- the outer support portion 26 is arranged below the inner support portion 24 .
- the upper surfaces of the outer support portions 25 and 26 are formed flat. That is, the upper surfaces of the outer support portions 25 and 26 include planes perpendicular to the vertical direction.
- the insertion groove 27 is formed in the upper part of the left wall 21a.
- the insertion groove 27 extends in the front-rear direction and is open at the front.
- the insertion groove 28 is formed in the upper portion of the right wall 21b. The insertion groove 28 extends in the front-rear direction and is open at the front.
- the contact device 3 includes a first fixed terminal 6, a second fixed terminal 7, and a movable contact piece 8.
- the first fixed terminal 6 and the second fixed terminal 7 are plate-shaped terminals and are made of a material having conductivity.
- the first fixed terminal 6 and the second fixed terminal 7 extend in the left-right direction and have a bent shape.
- the first fixed terminal 6 and the second fixed terminal 7 extend over the inside and outside of the case 2 .
- the first fixed terminal 6 and the second fixed terminal 7 are arranged apart from each other in the left-right direction.
- the first fixed terminal 6 and the second fixed terminal 7 are held by the case 2 . In this embodiment, the first fixed terminal 6 and the second fixed terminal 7 are held only by the case 2 .
- the first fixed terminal 6 and the second fixed terminal 7 are inserted into the case main body 21 from the width direction of the movable contact piece 8 (here, the front-rear direction) and held by the case 2 . Parts of the first fixed terminal 6 and the second fixed terminal 7 overlap the movable contact piece 8 in the left-right direction.
- the first fixed terminal 6 is inserted into the case body 21 through the insertion groove 27 .
- the first fixed terminal 6 is sandwiched between the insertion groove 27 and the support projection 22a to restrict movement in the front-rear direction.
- the first fixed terminal 6 includes a first fixed contact 6a, a contact support portion 6b, an extension portion 6c, a bent portion 6d, and an external connection portion 6e.
- the first fixed contact 6 a is arranged inside the case 2 .
- the first fixed contact 6a is arranged to face the movable contact piece 8 in the vertical direction.
- the first fixed contact 6a is arranged on the lower surface of the contact support portion 6b.
- the contact support portion 6b supports the first fixed contact 6a.
- the contact support portion 6b is located at the right end of the first fixed terminal 6. As shown in FIG.
- the contact support portion 6b is separated from the case 2 in the left-right direction.
- the front and rear sides of the contact support portion 6 b are covered with the rear wall and the lid portion 22 .
- the contact support portion 6b is separated from the upper wall 21c of the case 2 in the vertical direction. That is, the contact support portion 6b is separated from the case 2 and is not held by the case 2.
- the extending portion 6c is connected to the contact support portion 6b.
- the extending portion 6c extends in the left-right direction from the contact support portion 6b. Specifically, the extending portion 6c extends leftward from the left end of the contact support portion 6b. As shown in FIG. 2, part of the extending portion 6c extends in the front-rear direction beyond the contact support portion 6b. The left end of the extending portion 6c penetrates the left wall 21a in the left-right direction.
- the extension portion 6c is supported on the upper surface of the inner support portion 23. As shown in FIG. The front and rear sides of the extending portion 6 c are covered with the rear wall and the lid portion 22 .
- the upper surface of the extending portion 6c is supported by a protrusion protruding downward from the upper wall 21c and an insertion groove 27. As shown in FIG.
- the extending portion 6c is restricted from moving in the left-right direction by holding the portion extending in the front-rear direction from the contact support portion 6b by the case main body portion 21 and the lid portion 22 .
- the thickness direction of the extending portion 6c coincides with the vertical direction, and the width direction of the extending portion 6c coincides with the front-rear direction.
- the bent portion 6d is arranged outside the case 2.
- the bent portion 6d is connected to the extended portion 6c.
- the bent portion 6d is bent in the Z2 direction from the left end of the extended portion 6c.
- the bent portion 6d extends vertically.
- the bent portion 6d is arranged at a position close to the left wall 21a of the case main body portion 21 so as to face the left wall 21a.
- the bent portion 6d overlaps the movable contact piece 8 in the left-right direction.
- the thickness direction of the bent portion 6d coincides with the left-right direction, and the width direction of the bent portion 6d coincides with the front-rear direction.
- the external connection part 6e is arranged outside the case 2 and connected to the bending part 6d.
- the external connection portion 6e extends in the left-right direction from the bent portion 6d. Specifically, the external connection portion 6e is bent leftward from the lower end of the bent portion 6d.
- the external connection portion 6 e is supported on the upper surface of the outer support portion 25 .
- the external connection portion 6e is connected to an external terminal (not shown) such as a bus bar.
- the second fixed terminal 7 has a symmetrical shape with the first fixed terminal 6, so a brief description will be given.
- the second fixed terminal 7 includes a second fixed contact 7a, a contact support portion 7b, an extension portion 7c, a bent portion 7d, and an external connection portion 7e.
- the second fixed contact 7a is arranged vertically facing the movable contact piece 8 at a position separated from the first fixed contact 6a in the left-right direction.
- the contact support portion 7b supports the second fixed contact 7a.
- the extending portion 7 c extends rightward from the right end of the contact support portion 7 b and is supported on the upper surface of the inner support portion 24 .
- the bent portion 7d extends vertically.
- the bent portion 7d overlaps the movable contact piece 8 in the left-right direction.
- the bent portion 7d is arranged outside the case 2 so as to face the right wall 21b of the case body portion 21 .
- the external connection portion 7 e extends in the left-right direction and is supported
- the movable contact piece 8 is a plate-shaped terminal elongated in one direction and made of a conductive material.
- the movable contact piece 8 is arranged inside the case 2 .
- the movable contact piece 8 extends in the left-right direction inside the case 2 .
- the longitudinal direction of the movable contact piece 8 coincides with the horizontal direction.
- the width direction of the movable contact piece 8 coincides with the front-rear direction.
- the movable contact piece 8 includes a first movable contact 8a and a second movable contact 8b.
- the first movable contact 8a is arranged to face the first fixed contact 6a.
- the second movable contact 8b is arranged to face the second fixed contact 7a.
- the movable contact piece 8 is movable in the vertical direction. Specifically, the movable contact piece 8 is movable in the Z1 direction and the Z2 direction.
- the Z1 direction is the direction in which the first movable contact 8a approaches the first fixed contact 6a. In other words, the Z1 direction is the direction from the first movable contact 8a to the first fixed contact 6a.
- the Z2 direction is the direction in which the first movable contact 8a separates from the first fixed contact 6a. In other words, the Z2 direction is the direction from the first fixed contact 6a to the first movable contact 8a.
- the driving device 4 is arranged inside the case 2 .
- the driving device 4 moves the movable contact piece 8 in the Z1 direction and the Z2 direction.
- the driving device 4 includes a movable mechanism 11 , a coil 12 , a movable iron core 13 , a fixed iron core 14 , a yoke 15 and a return spring 16 .
- the movable mechanism 11 is connected to the movable contact piece 8.
- the movable mechanism 11 includes a holder 11a, a drive shaft 11b, and a contact spring 11c.
- the holder 11a holds the movable contact piece 8.
- the drive shaft 11b extends vertically.
- the drive shaft 11b is arranged below the movable contact piece 8 .
- the drive shaft 11b is connected to the holder 11a so as to be vertically movable relative to the holder 11a.
- the contact spring 11c is arranged between the holder 11a and the drive shaft 11b. The contact spring 11c biases the movable contact piece 8 in the Z1 direction via the holder 11a.
- the coil 12 When a voltage is applied to the coil 12 to excite it, the coil 12 generates an electromagnetic force that moves the movable iron core 13 in the Z1 direction.
- the movable iron core 13 is fixed to the drive shaft 11b so as to be movable integrally therewith.
- the fixed core 14 is arranged above the movable core 13 so as to face the movable core 13 .
- Yoke 15 is arranged to surround coil 12 .
- Yoke 15 is connected to fixed core 14 .
- the return spring 16 biases the movable iron core 13 in the Z2 direction.
- FIG. 3 shows the state in which the coil 12 is not energized.
- the first movable contact 8a is separated from the first fixed contact 6a
- the second movable contact 8b is separated from the second fixed contact 7a.
- the movable iron core 13 moves in the Z1 direction together with the drive shaft 11b against the biasing force of the return spring 16.
- the movable contact piece 8 is pressed in the Z1 direction via the contact spring 11c, and the movable contact piece 8 moves in the Z1 direction.
- FIG. 3 shows the state in which the coil 12 is not energized.
- the first movable contact 8a is separated from the first fixed contact 6a
- the second movable contact 8b is separated from the second fixed contact 7a.
- the first movable contact 8a comes into contact with the first fixed contact 6a
- the second movable contact 8b comes into contact with the second fixed contact 7a.
- the biasing force of the return spring 16 moves the drive shaft 11b together with the movable iron core 13 in the Z1 direction.
- the movable contact piece 8 moves in the Z2 direction
- the first movable contact 8a separates from the first fixed contact 6a
- the second movable contact 8b separates from the second fixed contact 7a.
- the electromagnetic relay 100 further includes an inner member 32, one or more magnets 34, a yoke 36, and insulating walls 38,39.
- the inner member 32 guides movement of the movable mechanism 11 .
- the inner member 32 is arranged above the coil 12 .
- the inner member 32 has a substantially rectangular box shape that opens in the Z1 direction, and is partially or wholly made of an insulating material such as resin.
- the inner member 32 as a whole is arranged below the contact support portions 6b, 7b and the extension portions 6c, 7c.
- the one or more magnets 34 are rectangular parallelepiped permanent magnets and include a first magnet 34a and a second magnet 34b.
- the first magnet 34 a and the second magnet 34 b are supported by the inner member 32 .
- the first magnet 34a and the second magnet 34b are arranged around the inner member 32 so as to face each other in the left-right direction.
- the first magnet 34 a is arranged between the inner member 32 and the insulating wall 38 .
- the first magnet 34 a is arranged adjacent to the inner support portion 23 and the outer support portion 25 .
- the first magnet 34 a is arranged below the inner support portion 23 .
- the first magnet 34 a is arranged on the right side of the outer support portion 25 .
- the second magnet 34 b is arranged between the inner member 32 and the insulating wall 39 .
- the second magnet 34b is arranged adjacent to the inner support portion 24 and the outer support portion 26. As shown in FIG.
- the second magnet 34b is arranged below the inner support portion 24 .
- the second magnet 34b is arranged to the left of the outer support portion 26. As shown in FIG.
- the yoke 36 is arranged outside the first magnet 34a and the second magnet 34b so as to surround the first magnet 34a and the second magnet 34b in the left-right direction and the front-rear direction. A portion of the yoke 36 is arranged between the first magnet 34 a and the insulating wall 38 and between the second magnet 34 b and the insulating wall 39 .
- the yoke 36 is supported by the inner surface of the case 2 and the outer peripheral surface of the inner member 32 .
- the yoke 36 is positioned adjacent to the inner support portions 23,24 and the outer support portions 25,26.
- the insulating wall 38 is integrally formed with the case 2.
- the insulating wall 38 is arranged between the bent portion 6 d of the first fixed terminal 6 and the movable contact piece 8 .
- the insulating wall 38 insulates the arc generated between the first fixed contact 6a and the first movable contact 8a from the bent portion 6d.
- the insulating wall 38 extends in the front-rear direction and the left-right direction.
- the insulating wall 38 is arranged below the extension 6c.
- the insulating wall 38 covers the right side of the bent portion 6d.
- the insulating wall 38 is made up of part of the left wall 21 a of the case 2 .
- the insulating wall 38 overlaps the bent portion 6d and the movable contact piece 8 in the left-right direction.
- the insulating wall 38 overlaps the first magnet 34a and the yoke 36 in the left-right direction.
- the insulating wall 39 is integrally formed with the case 2 .
- the insulating wall 39 is arranged between the bent portion 7 d of the second fixed terminal 7 and the movable contact piece 8 .
- the insulating wall 39 insulates the arc generated between the second fixed contact 7a and the second movable contact 8b from the bent portion 7d.
- the insulating wall 39 extends in the front-rear direction and the left-right direction.
- the insulating wall 38 is arranged below the extension 7c.
- the insulating wall 39 covers the left side of the bent portion 7d.
- the insulating wall 39 is made up of part of the right wall 21b of the case 2 .
- the insulating wall 39 overlaps the bent portion 7d and the movable contact piece 8 in the left-right direction.
- the insulating wall 39 overlaps the second magnet 34b and the yoke 36 in the left-right direction.
- the electromagnetic relay 100 when energized, a current flows in the bent portion 6d of the first fixed terminal 6 in the direction opposite to the current flowing between the first movable contact 8a and the first fixed contact 6a.
- the bent portion 6d of the first fixed terminal 6 can suppress the electromagnetic repulsive force between the first movable contact 8a and the first fixed contact 6a during energization.
- An insulating wall 38 for insulating the arc generated between the first fixed contact 6a and the first movable contact 8a from the bent portion 6d of the first fixed terminal 6 is formed integrally with the case 2 made of an insulating material. , and the driving device 4 is arranged inside the case 2 .
- the bent portion 6d of the first fixed terminal 6 is arranged outside the case 2, but the bent portion 6d is formed inside the left wall 21a by thickening the left wall 21a of the case main body portion 21. It may be configured to be fitted. Alternatively, the bent portion 6 d may be arranged inside the case 2 .
- the insulating wall 38 is not part of the left wall 21a of the case 2, but is formed in the case main body portion 21 separately from the left wall 21a.
- the first fixed terminal 6 is held only by the case 2 in the above embodiment, the first fixed terminal 6 may be held by the case 2 and another member.
- the drive device 4 pushes the movable core 13 upward, but the drive device 4 may be configured to push the movable core 13 downward.
- the movable contact piece 8 is arranged above the first fixed terminal 6 and the second fixed terminal 7 .
- Case 4 Drive device First fixed terminal (an example of fixed terminal) 6a First fixed contact (an example of a fixed contact) 6b contact support portion 6c extension portion 6d bending portion 6e external connection portion 8 movable contact piece 8a first movable contact (an example of a movable contact) 21 Case body 21e Opening 22 Lid 34 One or more magnets 36 Yoke 38 Insulating wall 100 Electromagnetic relay
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- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Electromagnets (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
Description
4 駆動装置
6 第1固定端子(固定端子の一例)
6a 第1固定接点(固定接点の一例)
6b 接点支持部
6c 延伸部
6d 屈曲部
6e 外部接続部
8 可動接触片
8a 第1可動接点(可動接点の一例)
21 ケース本体部
21e 開口
22 蓋部
34 1以上の磁石
36 ヨーク
38 絶縁壁
100 電磁継電器
Claims (7)
- 絶縁材で形成されたケースと、
可動接点を含み、前記ケースの内部に配置される可動接触片と、
前記可動接点に対向して配置される固定接点と、前記固定接点を支持する接点支持部と、前記接点支持部から前記可動接触片の長手方向に延びる延伸部と、前記固定接点から前記可動接点に向かう第1方向に前記延伸部から屈曲するとともに前記可動接触片の長手方向に前記可動接触片と重なる屈曲部とを含み、前記ケースに保持される固定端子と、
前記ケースの内部に配置され、前記第1方向と前記可動接点から前記固定接点に向かう第2方向とに前記可動接触片を移動させる駆動装置と、
前記ケースに一体形成され、前記屈曲部と前記可動接触片との間に配置され、前記固定接点と前記可動接点との間で発生するアークと前記屈曲部とを絶縁する絶縁壁と、
を備えた、
電磁継電器。 - 前記固定端子は、前記ケースのみで保持される、
請求項1に記載の電磁継電器。 - 前記固定端子の前記接点支持部は、前記ケースから離れている、
請求項1又は2に記載の電磁継電器。 - 前記ケースは、
前記可動接触片の幅方向一方側に開口する開口を含むケース本体部と、
前記開口を塞ぐ蓋部と、
前記ケース本体部に形成され、前記固定端子が前記可動接触片の幅方向一方側から挿入される挿入溝と、を含む、
請求項1から3のいずれか1項に記載の電磁継電器。 - 前記固定端子は、前記ケースの外部に配置される外部接続部をさらに含み、
前記ケースは、前記ケースの内部において前記固定端子の延伸部の前記第1方向を向く面を支持する内側支持部と、前記外部接続部の前記第1方向を向く面を支持する外側支持部と、を含む、
請求項1から4のいずれか1項に記載の電磁継電器。 - 前記アークを伸長させるための磁界を発生させる1以上の磁石と、
前記1以上の磁石に接続されるヨークと、
をさらに備え、
前記1以上の磁石及び前記ヨークの少なくとも一方は、前記内側支持部に隣接して配置されている、
請求項5に記載の電磁継電器。 - 前記アークを伸長させるための磁界を発生させる1以上の磁石と、
前記1以上の磁石に接続されるヨークと、
をさらに備え、
前記1以上の磁石及び前記ヨークの少なくとも一方は、前記外側支持部に隣接して配置されている、
請求項5又は6に記載の電磁継電器。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112022000428.2T DE112022000428T5 (de) | 2021-03-05 | 2022-01-18 | Elektromagnetisches relais |
CN202280016998.7A CN116888701A (zh) | 2021-03-05 | 2022-01-18 | 电磁继电器 |
KR1020237027729A KR20230131920A (ko) | 2021-03-05 | 2022-01-18 | 전자 계전기 |
US18/547,511 US20240136132A1 (en) | 2021-03-05 | 2022-01-18 | Electromagnetic relay |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-035748 | 2021-03-05 | ||
JP2021035748A JP2022135742A (ja) | 2021-03-05 | 2021-03-05 | 電磁継電器 |
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WO2022185751A1 true WO2022185751A1 (ja) | 2022-09-09 |
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US (1) | US20240136132A1 (ja) |
JP (1) | JP2022135742A (ja) |
KR (1) | KR20230131920A (ja) |
CN (1) | CN116888701A (ja) |
DE (1) | DE112022000428T5 (ja) |
WO (1) | WO2022185751A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100026427A1 (en) * | 2008-08-01 | 2010-02-04 | Tyco Electronics Corporation | Switching device |
JP2015043302A (ja) * | 2013-08-26 | 2015-03-05 | 富士通コンポーネント株式会社 | 電磁継電器 |
WO2020039614A1 (ja) * | 2018-08-24 | 2020-02-27 | オムロン株式会社 | リレー |
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JP5767508B2 (ja) | 2011-05-19 | 2015-08-19 | 富士電機株式会社 | 電磁接触器 |
-
2021
- 2021-03-05 JP JP2021035748A patent/JP2022135742A/ja active Pending
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2022
- 2022-01-18 US US18/547,511 patent/US20240136132A1/en active Pending
- 2022-01-18 CN CN202280016998.7A patent/CN116888701A/zh active Pending
- 2022-01-18 KR KR1020237027729A patent/KR20230131920A/ko unknown
- 2022-01-18 DE DE112022000428.2T patent/DE112022000428T5/de active Pending
- 2022-01-18 WO PCT/JP2022/001513 patent/WO2022185751A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100026427A1 (en) * | 2008-08-01 | 2010-02-04 | Tyco Electronics Corporation | Switching device |
JP2015043302A (ja) * | 2013-08-26 | 2015-03-05 | 富士通コンポーネント株式会社 | 電磁継電器 |
WO2020039614A1 (ja) * | 2018-08-24 | 2020-02-27 | オムロン株式会社 | リレー |
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KR20230131920A (ko) | 2023-09-14 |
DE112022000428T5 (de) | 2023-10-26 |
CN116888701A (zh) | 2023-10-13 |
JP2022135742A (ja) | 2022-09-15 |
US20240136132A1 (en) | 2024-04-25 |
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