ELECTROMAGNETIC RELAY

• US 20140240065A1
• Filed: 12/06/2013
• Published: 08/28/2014
• Est. Priority Date: 02/27/2013
• Status: Active Grant

• Current Assignee: Fujitsu Component Limited (Fujitsu Limited)
• Original Assignee: Fujitsu Component Limited (Fujitsu Limited)
• Inventors: KANEKO, Masahiro, UCHIYAMA, Takuya, TAKAHASHI, Kohei, SAKAI, Natsumi, YATSU, Nobuo, KOSHIMURA, Katsuaki
• Granted Patent: US 9,202,653 B2
• Time in Patent Office: Days
• US Class Current: 335/187
• CPC Class Codes: H01H 2205/002 fixed to operating part
• CPC Class Codes: H01H 50/026 Details concerning isolation between driving and switching circuit
• CPC Class Codes: H01H 50/047 Details concerning mounting a relays
• CPC Class Codes: H01H 50/56 Contact spring sets
• CPC Class Codes: H01H 50/58 Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
• CPC Class Codes: H01H 50/60 moving contact being rigidly combined with movable part of magnetic circuit for polarised relays H01H51/2254, H01H51/2281
• CPC Class Codes: H01H 50/642 intermediate part being generally a slide plate, e.g. a card
• CPC Class Codes: H01H 50/647 intermediate part comprising interlocking means for different contact pairs H01H50/66 - H01H50/74 take precedence; for two separate relays H01H50/323; for ratchets H01H51/08
• CPC Class Codes: H01H 51/06 Armature is movable between two limit positions of rest and is moved in one direction due to energisation of an electromagnet and after the electromagnet is de-energised is returned by energy stored during the movement in the first direction, e.g. by using a spring, by using a permanent magnet, by gravity

Abstract

An electromagnetic relay which is provided with an armature, a moving electrode which has a moving plate and a moving contact and a fixed electrode which faces the moving electrode and has a fixed plate and a fixed contact. At least a portion of the moving plate onto which the moving contact is arranged and at least a portion of the fixed plate onto which the fixed contact is arranged are inclined in width direction.

Claims

1. An electromagnetic relay comprising:

an electromagnet;

an armature which is pulled by said electromagnet when said electromagnet is energized;

a moving electrode which has a moving plate and a moving contact, said moving contact being moved by operation of said armature; and

a fixed electrode which faces said moving electrode and has a fixed plate and a fixed contact;

wherein

at least a portion of said moving plate onto which said moving contact is arranged and at least a portion of said fixed plate onto which said fixed contact is arranged are inclined in width direction.

2. The electromagnetic relay as set forth in claim 1, further comprising a moving member which is connected to said armature and which moves along with operation of said armature, wherein

said moving plate and said fixed plate are inclined with respect to a movement direction of said moving member.

3. The electromagnetic relay as set forth in claim 1, further comprising a case which has said electromagnet placed inside it, wherein

said moving plate and said fixed plate are inclined with respect to at least one outer surface of said case.

4. The electromagnetic relay as set forth in claim 2, wherein

said moving member has a pushing part which pushes said moving plate, and

said pushing part has a shape with an end face which contacts said moving plate becoming substantially parallel to a surface of said moving plate.

5. The electromagnetic relay as set forth in claim 1, wherein

said moving plate and said fixed plate are inclined with respect to a direction in which said armature is pulled by said electromagnet.

6. An electromagnetic relay comprising:

an electromagnet;

an armature which is pulled by said electromagnet when said electromagnet is energized;

a first moving electrode which has a first moving plate and a first moving contact, said first moving contact being moved by operation of said armature;

a second moving electrode which is electrically connected to said first moving electrode and has a second moving plate and a second moving contact, said second moving contact being moved by operation of said armature;

a first fixed electrode which faces said first moving electrode and has a first fixed plate and a first fixed contact; and

a second fixed electrode which is electrically connected to said first fixed electrode, faces said second moving electrode, and has a second fixed plate and a second fixed contact;

wherein

a direction of extension of a surface of said first moving plate where said first moving contact is arranged and a direction of extension of a surface of said second moving plate where said second moving contact is arranged intersect.

7. An electromagnetic relay comprising:

a main body which includes an electromagnet which has a coil; and

a case inside of which said main body is fixed;

wherein

said main body includes an armature which is pulled by said electromagnet when said coil is energized, a moving electrode plate which has a plate part and a moving contact where operation of said armature causes said moving contact to move, and a fixed electrode plate which faces said moving electrode plate and has a plate part and a fixed contact,

said plate part of said moving electrode plate has a moving contact arrangement part at which said moving contact is arranged,

said plate part of said fixed electrode plate has a fixed contact arrangement part at which said fixed contact is arranged, and

said main body is inclined with respect to a mounting surface of an object to be mounted to when mounting said electromagnetic relay on said object to be mounted to, while a width direction of said moving contact arrangement part and a width direction of said fixed contact arrangement part are inclined with respect to said mounting surface.