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公开(公告)号：EP4160645A1
公开(公告)日：2023-04-05
申请号：EP21921244.6
申请日：2021-12-06
摘要： A hermetically sealed electromagnetic contactor includes a main contact unit (21) configured to open and close an electrical path of a main circuit by moving along a predetermined opening/closing direction, an electromagnet unit (23) configured to switch opening/closing of the main contact unit (21), a container body (12) made of resin inside which the main contact unit (21) and the electromagnet unit (23) are arranged, an auxiliary contact unit (22) disposed outside the container body (12) on one side in the opening/closing direction of the main contact unit (21) and configured to open and close an electrical path of an auxiliary circuit by moving along the opening/closing direction in conjunction with the main contact unit (21), and an auxiliary contact housing portion (13) made of resin inside which the auxiliary contact unit (22) is arranged, the auxiliary contact housing portion (13) communicating with the inside of the container body (12), in which the insides of the container body (12) and the auxiliary contact housing portion (13) are filled with insulating gas.
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公开(公告)号：EP4160646A1
公开(公告)日：2023-04-05
申请号：EP21921247.9
申请日：2021-12-06
摘要： A hermetically sealed electromagnetic contactor including: a main contact unit (21) including a pair of main fixed contact pieces (31), each of the main fixed contact pieces having a main fixed contact (33) at one end and a terminal portion to be connected to a main circuit at the other end, and a main movable contact piece (32) having a pair of main movable contacts (34) configured to come into contact with and be separated from the main fixed contacts (33) and configured to open and close an electrical path of the main circuit; a contact support (51) configured to support the main movable contact piece (32); an electromagnet unit (23) configured to switch opening/closing of the main contact unit (21) via the contact support (51); and a hermetically sealed container (15) made of resin on an inside of which the main contact unit (21) and the electromagnet unit (23) are arranged, the hermetically sealed container having the inside filled with insulating gas.
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3.发明公开
公开(公告)号：EP4160636A1
公开(公告)日：2023-04-05
申请号：EP21921245.3
申请日：2021-12-06
摘要： A gas filling structure includes a through-hole (91) formed in a hermetically sealed container (11) made of resin to fill the hermetically sealed container (11) with gas and a screw (92) fastened to the through-hole (91) to seal the through-hole (91).
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公开(公告)号：EP4160644A1
公开(公告)日：2023-04-05
申请号：EP21921246.1
申请日：2021-12-06
摘要： A hermetically sealed electromagnetic contactor including: a pair of fixed contact pieces (10, 11) having fixed contacts (10a, 11a); a movable contact piece (12) having a pair of movable contacts (12a, 12b) capable of coming into contact with and being separated from the fixed contacts of the pair of fixed contact pieces; an electromagnet unit (7) configured to drive the movable contact piece; and a hermetically sealed container (7) configured to house the pair of fixed contact pieces and the movable contact piece in a hermetically sealed manner.
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公开(公告)号：EP4160638A1
公开(公告)日：2023-04-05
申请号：EP21921243.8
申请日：2021-12-06
摘要： A hermetically sealed electromagnetic contactor includes a pair of fixed contact pieces (10) and (11) having fixed contacts (10a) and (11a), a movable contact piece (12) having a pair of movable contacts (12a) and (12b) capable of coming into contact with and being separated from the fixed contacts of the pair of fixed contact pieces, an electromagnet unit (7) configured to drive the movable contact piece, a hermetically sealed container (4) configured to house the pair of fixed contact pieces, the movable contact piece, and the electromagnet unit in the same space in a hermetically sealed manner and being filled with arc-extinguishing gas, and two pairs of arc-extinguishing permanent magnets (30) to (33) arranged inside the hermetically sealed container and configured to stretch arcs generated between the fixed contacts of the pair of fixed contact pieces and the pair of movable contacts of the movable contact piece.
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