CN104465225B - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
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- CN104465225B CN104465225B CN201410431596.0A CN201410431596A CN104465225B CN 104465225 B CN104465225 B CN 104465225B CN 201410431596 A CN201410431596 A CN 201410431596A CN 104465225 B CN104465225 B CN 104465225B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
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Abstract
Even if the present invention provides a kind of in the case of the big electric current that flows instantaneously, fixed contact and travelling contact also will not be separated, the higher electromagnetic relay of reliability.The side that movable contact component (9) intersects in the direction extended with the 1st terminal component (7) upwardly extends, and the 2nd terminal component (11) possesses between the 1st terminal component (7) interval configuration and the part 1 (11A) extended along the 1st terminal component (7) and has the part 2 (11B) of the shape of configuration fixed contact (41,41) on the position that travelling contact (37,37) contacts with fixed contact (41,41) when movable contact component (9) becomes 2 state.In the present invention, position relationship between regulation movable contact component (9) and the part 2 (11B) of the 2nd terminal component (11) so that be located proximate to compared with travelling contact (37,37) and fixed contact (41,41) be spaced (S) side.
Description
Technical field
The present invention relates to be built in kilowatt-hour meter etc., and for controlling the electromagnetic relay of power supply.
Background technology
All the time as the electromagnetic relay (relay) for controlling power supply, the most non-patent is proposed
Device disclosed in document 1 grade.
Fig. 4 is the major part showing schematically the electromagnetic relay disclosed in non-patent literature 1
Figure.There is the electromagnetic relay of the structure shown in Fig. 4, have: the 1st terminal component the 1, the 2nd
Terminal component 2 and movable contact component 3, by the work in magnetic field produced by electromagnetic spool device
With and the not shown rotatable parts that rotate, make card division 4 action, control fixed contact 5 with movable
The disconnection of contact 6 is connected.
Non-patent literature 1:Yueqing Goodwin Electronic Co., Ltd., " coil inside locking class
Type instrument relay ", [online], Alibaba.com, [2013 on JIUYUE 12, retrieval], network address:
< URL:http: //japanese.alibaba.com/product-gs/coil-inside-latching-typ e-relay-f
or-meter-1269905774.html>
Invent problem to be solved
When becoming the on-state that fixed contact contacts with travelling contact, according to using bar
Part, in electromagnetic relay, moment flowing in the 1st terminal component and the 2nd terminal component sometimes
The big electric current more than as 2000A.In the diagram in the case of disclosed existing electromagnetic relay,
When flowing this big electric current, fixed contact 5 and travelling contact 6 are understood deposition or melt sometimes.This
It is due to the fact that: by because at the 1st terminal component the 1, the 2nd terminal component 2 and movably connecing
The magnetic field putting streaming current in parts 3 and produce, thus there is electromagnetic force, movable contact component 3 is subject to
Power, fixed contact 5 and travelling contact 6 become separated state instantaneously, fixed contact 5 with
Electric arc is produced between travelling contact 6.
Summary of the invention
It is an object of the invention to, it is provided that though a kind of in the case of moment flows big electric current, fixing
Contact and travelling contact also will not separated, the higher electromagnetic relays of reliability.
For solving the technological means of problem
The electromagnetic relay of the present invention is using following electromagnetic relay as the object of improvement, and this electromagnetism continues
Electrical equipment includes: the 1st terminal component, and an end of the 1st terminal component is provided with the 1st portion of terminal;
Movable contact component, an end of this movable contact component and another end of the 1st terminal component
Connect, and be provided with travelling contact in another end of this movable contact component;2nd terminal component,
One end of the 2nd terminal component is provided with the 2nd portion of terminal, and another at the 2nd terminal component
One end is provided with fixed contact;Electromagnetic spool device;Rotatable parts, these rotatable parts are supported
Become the effect by magnetic field produced by electromagnetic spool device, carry out turning in the angular range of regulation
Dynamic;And card division.Card division is such as lower component: engages with another end of movable contact component, passes through
Rotatable parts rotate make movable contact component from the 1st state displacement to the 2nd state to make travelling contact with
Fixed contact contacts, by making movable contact component from the 2nd state displacement to the 1st state by movably
Contact pulls open from fixed contact.
The side that movable contact component intersects in the direction with the 1st terminal component extension upwardly extends, the
2 terminal components possess: between the 1st terminal component, interval configures and along the 1st terminal
The part 1 that parts extend;Have at travelling contact with when movable contact component becomes 2 state
The part 2 of the shape of fixed contact is configured on the position contacted with fixed contact.And, at this
In invention, it is stipulated that the position relationship between the part 2 of movable contact component and the 2nd terminal component,
It is located proximate to compared with making travelling contact and fixed contact be spaced side.
By using composition as above, fixed contact becomes the connection shape contacted with travelling contact
State, if streaming current in the 1st terminal component, the 2nd terminal component and movable contact component,
Then in above-mentioned interval, by the electric current of flowing in the 1st terminal component, at the 2nd terminal component
Electric current and the electric current flowed in movable contact component of middle flowing form magnetic field.By in this magnetic field
And the Lorentz force of effect between the electric current of flowing in movable contact component, in movable contact component
Produce the power (electromagnetic force) making travelling contact press towards fixed contact.This power is to fixed contact
The power of effect on the direction of pressing travelling contact, though therefore the 1st terminal component and the 2nd portion of terminal
In part, the electric current of flowing becomes big electric current instantaneously, also will not be pulled open from fixed contact by travelling contact,
Will not produce electric arc between fixed contact and travelling contact, contact will not deposition or melted.
Also the captivation being made up of magnetic material can be also equipped with in the position adjacent with movable contact component
There is body so that flowing electricity in the 1st terminal component, the 2nd terminal component and movable contact component
During stream, by the magnetic field produced around movable contact component, produce and make movable contact component to the
The captivation that the part 2 of 2 terminal components is close.It is made up of magnetic material by configuring as above
Captivation generation body, thus the magnetic field produced by streaming current in movable contact component,
Captivation is produced between captivation generation body and movable contact component, in movable contact component, due to
Active force on the direction of the captivation generation body fixed, therefore, it is possible to make fixed contact and movably connect
Point contacts more reliably.
In the case of being constituted movable contact component by multiple parts, in order to make have movable freedom
Degree, it is possible between an end and another end of movable contact component, arrange flexing portion or
Bending section.Now, it is possible to make flexing portion or bending section towards with the side being provided with travelling contact
Contrary side is protruded.By constituting as above, movable contact component can be made and by magnetic material structure
The captivation generation body become is close to configuration, therefore, it is possible to improve captivation.
Accompanying drawing explanation
Fig. 1 is the electromagnetism relay of the present embodiment under the state unloaded by the plug members of insulation shell
The top view of device, is the figure representing state when movable contact component is in 1 state.
Fig. 2 is the electromagnetism relay of the present embodiment under the state unloaded by the plug members of insulation shell
The top view of device, is the figure representing state when movable contact component is in 2 state.
Fig. 3 flows in the 1st terminal component, the 2nd terminal component and movable contact component for representing
The schematic diagram of the power produced in movable terminal parts during electric current.
Fig. 4 is the figure of the example representing existing electromagnetic relay.
Detailed description of the invention
Hereinafter, referring to the drawings the embodiment of the electromagnetic relay of the present invention is described in detail.
Fig. 1 and Fig. 2 is the electricity of the present embodiment under the state unloaded by the plug members of insulation shell
The top view of magnetic relay, Fig. 1 is to represent the figure that movable contact component becomes the state under the 1st state,
Fig. 2 is to represent the figure that movable contact component becomes the state under the 2nd state.
First, in present specification, as it is shown in figure 1, electromagnetic relay 1 is specified multiple side
To.Define the left and right directions (being made up of right RI and left LE i.e., as shown in Figure 1
1 direction D1), be made up of forward direction FO and rear direction RE before and after (the 2nd direction, direction
D2).Additionally, although it is not shown, but also use and in the 1st direction D1 and the 2nd direction D2
On any one direction the most orthogonal and the direction inwards of the paper towards Fig. 1 is referred to as lower section, will be contrary
Direction is referred to as top, the above-below direction (the 3rd direction) being made up of above and below.To each composition
The direction that parts use is the direction being accommodated under the state in insulation shell by each component parts.Fig. 2
And Fig. 3 also uses identical direction.
[overall structure]
The electromagnetic relay 1 of present embodiment has insulation shell 3, and each component parts is incorporated in absolutely
In edge housing 3.Insulation shell 3 is by the lid i.e. plug members of housing body 5 and housing body 5
(not shown) is constituted.In insulation shell 3, as main component parts, it is accommodated with the 1st terminal
Parts 7, be fixed on the 1st terminal component 7 movable contact component the 9, the 2nd terminal component 11, card
Portion 13, electromagnetic spool device 15, rotatable parts 17 and captivation generation body 19.Wherein, the 1st
Terminal component the 7 and the 2nd terminal component 11 makes portion of terminal from the otch being arranged at insulation shell 3
It is incorporated in insulation shell 3 under the state that outside is prominent.
[structures of each parts]
<insulation shell>
The housing body 5 of insulation shell 3 is mainly made up of bottom wall part 21 and surrounding wall portion 23.Bottom wall part
21 present by the 1st limit along the 1st direction D1 orthogonal with the 1st limit along the 2nd direction D2
The 2nd limit and the 1st limit abreast along the 1st direction D1 extend the 3rd limit and with the 2nd limit
It is rectangular-shaped that the 4th limit extended along the 2nd direction D2 abreast is constituted.Surrounding wall portion 23 is by from the 1st
The 1st side of sidewall portion the 25, the 2nd side of sidewall portion the 27, the 3rd side erected initially towards upper direction to the 4th limit
Wall portion the 29 and the 4th side of sidewall portion 31 is constituted.4th side of sidewall portion 31 is formed for making the 1st end
1st terminal of storage under portion of terminal (the 1st portion of terminal) 8 state prominent to outside of subassembly 7
Leadout hole 33.1st side of sidewall portion 25 is formed for making the portion of terminal (the of the 2nd terminal component 11
2 portion of terminal) the 2nd terminal leadout hole 35 of storage under 12 states prominent to outside.Additionally, housing
Main body 5 is formed the wall portion for receiving and fix component parts.
<terminal component and movable contact component>
1st terminal component 7 at one end possesses portion of terminal 8, fixes movable contact component 9 at the other end.
Movable contact component 9 combines 3 metallic plates and constitutes.One end of movable contact component 9 is fixed in
1st terminal component 7, intersects in the direction (the 2nd direction D2) with the 1st terminal component 7 extension
Direction (the 1st direction D1) upper extend, the other end arrange 2 on the 3rd direction arranged side by side
Travelling contact 37,37.Between one end and the other end of movable contact component 9, be provided with towards with
The bending section 39 that the side opposite side of travelling contact 37,37 is protruding is set.
2nd terminal component 11 possesses: between the 1st terminal component 7 interval configuration and
Along the 1st terminal component 7 extend part 1 11A with relative with travelling contact 37,37
The position put is provided with part 2 11B of two fixed contacts 41,41 arranged side by side on the 3rd direction.
Part 2 11B in present embodiment, to movable contact component the 9 and the 2nd terminal component 11A
Specify so that travelling contact 37,37 be positioned at compared with fixed contact 41,41 more front FO,
I.e., the side, interval formed it is located between the 1st terminal component the 7 and the 2nd terminal component 11.
<card division>
Card division 13 is made by insulant, one end clamping movable contact component 9 end and with movably
Contact component 9 is meshed, and, surmount part 2 11B of the 2nd terminal component 11 and extend,
The other end is meshed with rotatable parts 17.
<electromagnetic spool device and rotatable parts>
Electromagnetic spool device 15 by the coil 43 by iron core (not shown) and combines with iron core
A pair pole piece 45,47 is constituted.A pair pole piece 45,47 is configured in the position arranged side by side with iron core
Put interval opposed, if coil 43 is excited, then with exciting current flow to corresponding
Magnetic pole occur in free end 45A, 47A.Exciting current is configured to be connected not from coil 43
The power supply terminal of diagram starts flowing.
Rotatable parts 17 are configured between free end 45A, 47A of a pair pole piece 45,47.
Rotatable parts 17 are configured to use two panels magnetic metal sheet 49,51 clamping permanent magnet (not shown),
And fixed by rotatable parts main body 53.In magnetic metal sheet 49,51, embody pole by permanent magnet
The magnetic pole that property is different.In the present embodiment, the N pole of permanent magnet with magnetic metal sheet 49 phase in succession,
The S pole of permanent magnet is with magnetic metal sheet 51 phase in succession.Rotatable parts 17 are configured to center of rotation 55
Centered by, rotate in the angular range of regulation.Cursor 57 starts to prolong from rotatable parts main body 53
Stretch, and be meshed with the other end of card division 13.
[action of electromagnetic relay]
According to Fig. 1 and Fig. 2, the disconnection ON Action of the electromagnetic relay 1 of present embodiment is carried out
Explanation.
<disconnection action>
Fig. 1 represent the electromagnetic relay 1 of present embodiment become off-state after state.That is, exist
The power supply terminal being connected with coil 43 of the electromagnetic relay 1 under on-state described later flows
Electric current, if carrying out excitation to make to produce S pole on free end 45A, in freedom to coil 43
Producing N pole on the 47A of end, magnetic metal sheet 49 attracted to free end the most as shown in Figure 1
Portion 45A, magnetic metal sheet 51 attracted to free end 47A.Then, rotatable parts 17 rotate,
Card division 13 is made to move on FO in front.Accompany with this, press travelling contact portion by card division 13
Part 9 from the 2nd state displacement to the 1st state, travelling contact 37,37 by from fixed contact 41,
41 pull open (off-state).In this condition, the 1st terminal component the 7 and the 2nd portion of terminal is become
The state of not streaming current in part 11.
<ON Action>
Fig. 2 represent the electromagnetic relay 1 of present embodiment be turned on after state.That is, exist
Streaming current in the power supply terminal being connected with coil 43 of the electromagnetic relay 1 under off-state,
If coil 43 being carried out excitation make to produce N pole in free end 45A, at free end 47A
Middle generation S pole, the most as shown in Figure 2, magnetic metal sheet attracted to free end 45A, magnetic
Property sheet metal 49 attracted to free end 47A.Then, rotatable parts 17 rotate, and make card division 13
Backward directions RE move.Accompany with this, be allowed to from by card division 13 tractive movable contact component 9
1 state displacement to the 2nd state, travelling contact 37,37 contacts with fixed contact 41,41 and (connects
Logical state).In this condition, become at the 1st terminal component the 7, the 2nd terminal component 11 and can
The state of streaming current in movable contact parts 9.
In the present embodiment, contact is made to become off-state or connect in rotatable parts 17 rotation
After logical state, to flowing exciting current in the opposite direction, rotatable parts 17 are by constituting
Magnetic force that the permanent magnet of rotatable parts 17 is had and oneself maintains position.Therefore, confirming
After electromagnetic relay 1 has been carried out action, exciting current can be stopped, as long as only wanting change disconnected
The exciting current making coil 43 during open state on-state flows, additionally, by changing excitation
Electric current towards, it is possible to the off-state/on-state of two-way contact.
[power produced during on-state]
Fig. 3 is for representing that electromagnetic relay 1 is turned on, at the 1st terminal component the 7, the 2nd end
In subassembly 11 and movable contact component 9 produced in movable contact component 9 during streaming current
The schematic diagram of power.Such as in the example shown in Fig. 3, as shown by the arrows, electric current is with the 2nd end
The sequential flowing of subassembly 11 → movable contact component the 9 → the 1st terminal component 7, as shown in Figure 3 that
In the interval S that sample is existing between the 1st terminal component the 7 and the 2nd terminal component 11, by
In 1st terminal component the 7, the 2nd terminal component 11 and movable contact component 9, the electric current of flowing produces phase
Equidirectional magnetic field.By acting between the electric current of flowing in this magnetic field and in movable contact component 9
Lorentz force (Lorentz force), produce travelling contact 37,37 in movable contact component 9
Power (electromagnetic force) F1 to fixed contact 41,41 pressing.Therefore, according to the present invention, by stream
Dynamic electric current, makes travelling contact 37,37 and fixed contact 41,41 phase to movable contact component 9
Producing power on the direction of contact, therefore fixed contact 37,37 is not opened with travelling contact 41,41,
Contact will not deposition or melted.Even if it addition, flowing electric current towards in the case of contrary,
Power F1 towards also changing.
Additionally, in present embodiment, on the position adjacent with movable contact component 9, fixed configurations
The captivation generation body 19 being made up of magnetic material.At the 1st terminal component the 7, the 2nd terminal component 11
And in movable contact component 9 during streaming current, captivation generation body 19 is by travelling contact portion
The produced magnetic field of the surrounding of part 9 and produce between movable contact component 9 and captivation generation body 19
Raw captivation, thus produce and make movable contact component 9 near the part 2 of the 2nd terminal component 11
Power (electromagnetic force) F2 of 11B.Therefore, by configuring captivation generation body 19, and then can be make can
Direction that movable contact 37,37 contacts with fixed contact 41,41 produces power, can make fixed contact and
Travelling contact contacts more reliably.
It addition, in the present embodiment, the other end of the 1st terminal component 7 be shaped so as to can
The bending section 39 of movable contact parts 9 does not interferes, additionally, configuration captivation generation body 19, makes
Close with movable contact component 9.Occur thereby, it is possible to improve movable contact component 9 with captivation
Captivation between body 19.
Above, embodiments of the present invention are specifically illustrated, but the present invention is not limited to this
A little embodiments, can produce change certainly in the range of the technological thought of the present invention.
Industrial applicability
According to the present invention, even if flowing big electric current in the 1st terminal component and the 2nd terminal component,
Also in movable contact component, power can be produced with fixed contact on the direction making travelling contact contact
(electromagnetic force), therefore travelling contact can not be opened with fixed contact moment.Therefore, it is possible to
To the higher electromagnetic relay of reliability.
Symbol description
1 electromagnetic relay
3 insulation shells
5 housing body
7 the 1st terminal components
9 movable contact component
11 the 2nd terminal components
13 card divisions
15 electromagnetic spool devices
17 rotatable parts
19 captivation generation bodies
21 bottom wall part
23 surrounding wall portion
25,27,29,31 the 1st to the 4th side of sidewall portion
33 the 1st terminal leadout holes
35 the 2nd terminal leadout holes
37 travelling contacts
39 bending sections
41 fixed contacts
43 coils
45,47 a pair pole piece
49,51 magnetic metal sheet
53 rotatable parts main bodys
55 centers of rotation
57 cursors
Claims (3)
1. the built-in electromagnetic relay of kilowatt-hour meter, comprises:
1st terminal component, an end of the 1st terminal component is provided with the 1st portion of terminal;
Movable contact component, an end of this movable contact component is another with above-mentioned 1st terminal component
One end connects, and is provided with travelling contact in another end of this movable contact component;
2nd terminal component, an end of the 2nd terminal component is provided with the 2nd portion of terminal, another
Individual end is provided with fixed contact;
Electromagnetic spool device;
Rotatable parts, these rotatable parts are supported for by magnetic field produced by above-mentioned electromagnetic spool device
Effect, regulation angular range in rotate;With
Card division, this card division is engaged, by above-mentioned with another end above-mentioned of above-mentioned movable contact component
Rotatable parts be rotated to make above-mentioned movable contact component from the 1st state displacement to the 2nd state, from
And make above-mentioned travelling contact contact with above-mentioned fixed contact, by making above-mentioned movable contact component from upper
State the 2nd state displacement to be pulled open from above-mentioned fixed contact by above-mentioned travelling contact to the 1st state,
The built-in electromagnetic relay of described kilowatt-hour meter is characterised by,
Above-mentioned 1st terminal component possesses: has the part 1 of above-mentioned 1st portion of terminal and connects above-mentioned
The part 2 of movable contact component,
Above-mentioned 2nd terminal component possesses: between above-mentioned 1st terminal component, interval configures also
And the part 1 of the above-mentioned part 1 extension along above-mentioned 1st terminal component;With above-mentioned movably
Contact component has when being positioned at above-mentioned 2 state and contacts with above-mentioned fixed contact at above-mentioned travelling contact
Position on configure the part 2 of shape of above-mentioned fixed contact,
The above-mentioned part 2 of above-mentioned 1st terminal component is in the above-mentioned 1st with above-mentioned 2nd terminal component
The side being partially separated upwardly extends,
Above-mentioned movable contact component, in the side that the above-mentioned part 1 with above-mentioned 1st terminal component extends
Extend up along the above-mentioned part 2 of above-mentioned 1st terminal component to the side intersected,
Specify the position between the above-mentioned part 2 of above-mentioned movable contact component and above-mentioned 2nd terminal component
Put relation so that compared with above-mentioned travelling contact and above-mentioned fixed contact, be located proximate to side, above-mentioned interval,
Above-mentioned movable contact component is above-mentioned 2nd state, is movably connect with above-mentioned by above-mentioned fixed contact
Point cantact and in above-mentioned 1st terminal component, above-mentioned 2nd terminal component and above-mentioned movable contact component
Middle streaming current, by the magnetic field produced in above-mentioned interval because of this electric current and above-mentioned travelling contact
The Lorentz force of effect between the electric current of flowing in parts, produces above-mentioned travelling contact toward above-mentioned fixing
The power of contact pressing.
The built-in electromagnetic relay of kilowatt-hour meter the most according to claim 1, wherein,
The position adjacent with above-mentioned movable contact component is also equipped with the attraction being made up of magnetic material
Power generation body so that at above-mentioned 1st terminal component, above-mentioned 2nd terminal component and above-mentioned movably connect
In some parts during streaming current, by magnetic field produced around above-mentioned movable contact component, produce
Raw make above-mentioned movable contact component to the close attraction of the above-mentioned part 2 of above-mentioned 2nd terminal component
Power.
The built-in electromagnetic relay of kilowatt-hour meter the most according to claim 1 and 2, wherein,
Between an end and another end of above-mentioned movable contact component, have towards with setting
Flexing portion that the side having the side of above-mentioned travelling contact contrary is protruded or bending section.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013-194292 | 2013-09-19 | ||
JP2013194292A JP5503792B1 (en) | 2013-09-19 | 2013-09-19 | Electromagnetic relay |
Publications (2)
Publication Number | Publication Date |
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CN104465225A CN104465225A (en) | 2015-03-25 |
CN104465225B true CN104465225B (en) | 2016-11-30 |
Family
ID=50941828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201410431596.0A Active CN104465225B (en) | 2013-09-19 | 2014-08-28 | Electromagnetic relay |
Country Status (3)
Country | Link |
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JP (1) | JP5503792B1 (en) |
CN (1) | CN104465225B (en) |
HK (1) | HK1204709A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6132043B1 (en) * | 2016-02-23 | 2017-05-24 | オムロン株式会社 | Power switchgear |
DE102019117802A1 (en) * | 2019-07-02 | 2021-01-07 | Johnson Electric Germany GmbH & Co. KG | Switching contact system of a switching device operated by electrical current |
JP7359914B1 (en) | 2022-07-28 | 2023-10-11 | 大崎電気工業株式会社 | Electronic electricity meter switch |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53128748A (en) * | 1977-04-15 | 1978-11-10 | Omron Tateisi Electronics Co | Terminal block of electromagnetic and method of manufacturing the same |
CN102405507B (en) * | 2009-02-04 | 2015-06-03 | Clodi公司 | Electromagnetic relay assembly |
JP2012104365A (en) * | 2010-11-10 | 2012-05-31 | Panasonic Corp | Contact device |
JP4952840B1 (en) * | 2010-12-06 | 2012-06-13 | オムロン株式会社 | Electromagnetic relay |
JP5600577B2 (en) * | 2010-12-14 | 2014-10-01 | 富士電機機器制御株式会社 | Contact mechanism and electromagnetic contactor using the same |
JP5777440B2 (en) * | 2011-08-03 | 2015-09-09 | 富士通コンポーネント株式会社 | Electromagnetic relay and method of manufacturing electromagnetic relay |
JP5759919B2 (en) * | 2012-02-29 | 2015-08-05 | 東邦電気株式会社 | Power latching relay |
-
2013
- 2013-09-19 JP JP2013194292A patent/JP5503792B1/en active Active
-
2014
- 2014-08-28 CN CN201410431596.0A patent/CN104465225B/en active Active
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2015
- 2015-06-03 HK HK15105299.0A patent/HK1204709A1/en unknown
Also Published As
Publication number | Publication date |
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JP2015060748A (en) | 2015-03-30 |
CN104465225A (en) | 2015-03-25 |
HK1204709A1 (en) | 2015-11-27 |
JP5503792B1 (en) | 2014-05-28 |
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