CN104465225A - Electromagnetic relay - Google Patents
Electromagnetic relay Download PDFInfo
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- CN104465225A CN104465225A CN201410431596.0A CN201410431596A CN104465225A CN 104465225 A CN104465225 A CN 104465225A CN 201410431596 A CN201410431596 A CN 201410431596A CN 104465225 A CN104465225 A CN 104465225A
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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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- Electromagnetism (AREA)
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Abstract
The invention provides an electromagnetic relay which is high in reliability, so that the fixed connection point and the movable point cannot be separated even in the state where the instant current is big. The movable connection point component (9) is extending along the crossing direction with the extending direction of the first terminal component (7); the second terminal component (11) has a first component (11A) which is configured by spaced from the first terminal component (7) and is extending along the first terminal part (7) and a second part (11B) which can configure the shapes of the fixed connection points (41,42) at the contact position of the movable connection points (37,37) and fixed connection points (41,41). In the invention, the position relation between movable connection point component (9) and the second part (11B) of the second terminal component (11) is regulated, so that the movable connection points (37.37) are closer to the spaced side (S) comparing with the fixed connection points (41,41).
Description
Technical field
The present invention relates to and be built in kilowatt-hour meter etc., and for controlling the electromagnetic relay of powering.
Background technology
All the time as controlling the electromagnetic relay (relay) of powering, such as device disclosed in non-patent literature 1 grade is proposed.
Fig. 4 is for schematically representing the figure of the major part of electromagnetic relay disclosed in non-patent literature 1.There is the electromagnetic relay of the structure shown in Fig. 4, have: the 1st terminal component 1, the 2nd terminal component 2 and movable contact component 3, by the effect in magnetic field that produces due to electromagnetic spool device and the not shown rotatable parts rotated, make card division 4 action, control fixed contact 5 and connect with the disconnection of travelling contact 6.
Non-patent literature 1:Yueqing Goodwin Electronic Co., Ltd., " coil inside latching-type instrument relay ", [online], Alibaba.com, [retrieval on September 12nd, 2013], 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
Under the state becoming the on-state that fixed contact contacts with travelling contact, according to service condition, in electromagnetic relay, sometimes in the 1st terminal component and the 2nd terminal component, flow beyond the such big current of 2000A instantaneously.In the diagram when disclosed existing electromagnetic relay, when flowing this big current, fixed contact 5 can deposition or melting with travelling contact 6 sometimes.This is due to following reason: by because of streaming current and the magnetic field produced in the 1st terminal component 1, the 2nd terminal component 2 and movable contact component 3, thus generation electromagnetic force, movable contact component 3 is stressed, fixed contact 5 and travelling contact 6 become separated state instantaneously, between fixed contact 5 and travelling contact 6, produce electric arc.
Summary of the invention
The object of the invention is to, even if provide a kind of when flowing big current instantaneously, fixed contact and travelling contact also can not separated, electromagnetic relays that reliability is higher.
For solving the technological means of problem
The object of electromagnetic relay of the present invention using following electromagnetic relay as improvement, this electromagnetic relay comprises: 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 is connected with another end of the 1st terminal component, 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, and is provided with fixed contact in another end of the 2nd terminal component; Electromagnetic spool device; Rotatable parts, these rotatable parts are supported for the effect in the magnetic field produced by electromagnetic spool device, rotate in the angular range of regulation; And card division.Card division is as lower component: engage with another end of movable contact component, being rotated by rotatable parts makes movable contact component to the 2nd state, travelling contact be contacted from the 1st state displacement with fixed contact, is pulled open by travelling contact from the 2nd state displacement by making movable contact component to the 1st state from fixed contact.
The direction that movable contact component intersects in the direction extended with the 1st terminal component extends, and the 2nd terminal component possesses: configuration spaced apart between the 1st terminal component and the part 1 extended along the 1st terminal component; With there is when becoming the 2nd state in movable contact component the part 2 position that contacts with fixed contact at travelling contact configuring the shape of fixed contact.And in the present invention, the position relationship between regulation movable contact component and the part 2 of the 2nd terminal component, to make compared with travelling contact and fixed contact position near side, interval.
By adopting formation as above, fixed contact and travelling contact become the on-state contacted, if streaming current in the 1st terminal component, the 2nd terminal component and movable contact component, then in above-mentioned interval, form magnetic field by the electric current flowed in the 1st terminal component, the electric current flowed in the part 2 of the 2nd terminal component and the electric current that flows in movable contact component.By the Lorentz force acted between this magnetic field and the electric current flowed in movable contact component, in movable contact component, produce the power (electromagnetic force) that travelling contact is pressed towards fixed contact.This power is the power acted on the direction to fixed contact pressing travelling contact, even if the electric current therefore flowed in the 1st terminal component and the 2nd terminal component becomes big current instantaneously, also travelling contact can not be pulled open from fixed contact, can not produce electric arc between fixed contact and travelling contact, contact can not deposition or melting.
Also the attraction shedder be made up of magnetic material can also be possessed in the position adjacent with movable contact component, when making streaming current in the 1st terminal component, the 2nd terminal component and movable contact component, by the magnetic field produced around movable contact component, produce and make movable contact component to the close attraction of the part 2 of the 2nd terminal component.By configuring the attraction shedder be made up of magnetic material as above, thus the magnetic field produced by streaming current in movable contact component, attraction is produced between attraction shedder and movable contact component, in movable contact component, due to active force on the direction of the attraction shedder be fixed, therefore, it is possible to make fixed contact contact more reliably with travelling contact.
When forming movable contact component by multiple parts, in order to make it that there is the movable degree of freedom, also between of a movable contact component end and another end, flexing portion or bend can be set.Now, also can protrude towards the side contrary with the side being provided with travelling contact making flexing portion or bend.By forming as above, movable contact component and the attraction shedder be made up of magnetic material can be made close to configuring, therefore, it is possible to improve attraction.
Accompanying drawing explanation
Fig. 1 is the vertical view of the electromagnetic relay of present embodiment under the state unloaded by the plug members of insulation shell, is the figure of state when representing that movable contact component is in the 1st state.
Fig. 2 is the vertical view of the electromagnetic relay of present embodiment under the state unloaded by the plug members of insulation shell, is the figure of state when representing that movable contact component is in the 2nd state.
Fig. 3 is the schematic diagram representing the power produced in movable terminal parts during streaming current in the 1st terminal component, the 2nd terminal component and movable contact component.
Fig. 4 is the figure of the example representing existing electromagnetic relay.
Embodiment
Below, be described in detail with reference to the execution mode of accompanying drawing to electromagnetic relay of the present invention.Fig. 1 and Fig. 2 is the vertical view of the electromagnetic relay of the present embodiment under the state unloaded by the plug members of insulation shell, Fig. 1 represents that movable contact component becomes the figure of the state under the 1st state, and Fig. 2 represents that movable contact component becomes the figure of the state under the 2nd state.
First, in present specification, as shown in Figure 1, multiple directions are specified to electromagnetic relay 1.That is, the left and right directions (the 1st direction D1) be made up of right RI and left LE, the fore-and-aft direction (the 2nd direction D2) be made up of forward direction FO and rear direction RE is defined as shown in Figure 1.In addition, although not shown, but also use all orthogonal with on any one direction in the 1st direction D1 and the 2nd direction D2 and the direction inwards of the paper towards Fig. 1 be called below, rightabout being called top, the above-below direction (the 3rd direction) be made up of top and below.The direction adopted each component parts each component parts is accommodated in the direction under the state in insulation shell.Also identical direction is used in Fig. 2 and Fig. 3.
[overall structure]
The electromagnetic relay 1 of present embodiment has insulation shell 3, and each component parts is incorporated in insulation shell 3.Insulation shell 3 is made up of the lid of housing body 5 and housing body 5 and plug members (not shown).In insulation shell 3, as main component parts, be accommodated with the 1st terminal component 7, be fixed on the movable contact component 9 of the 1st terminal component 7, the 2nd terminal component 11, card division 13, electromagnetic spool device 15, rotatable parts 17 and attraction shedder 19.Wherein, the 1st terminal component 7 and the 2nd terminal component 11 are incorporated in insulation shell 3 making portion of terminal from the state that the otch being arranged at insulation shell 3 is externally given prominence to.
[structures of each parts]
< insulation shell >
The housing body 5 of insulation shell 3 is formed primarily of bottom wall part 21 and surrounding wall portion 23.Bottom wall part 21 present by along the 1st limit of the 1st direction D1,2nd limit along 2nd direction D2 orthogonal with the 1st limit, with the 1st limit abreast along the 3rd limit that the 1st direction D1 extends and with the 4th limit that the 2nd limit extends along the 2nd direction D2 abreast form rectangular-shaped.Surrounding wall portion 23 is formed to the 1st sidewall portion 25 erected, the 2nd sidewall portion 27, the 3rd sidewall portion 29 and the 4th sidewall portion 31 upward by the from the 1st to the 4th limit.Formed in 4th sidewall portion 31 and be used at the 1st terminal leadout hole 33 making to receive under the portion of terminal of the 1st terminal component 7 (the 1st portion of terminal) 8 states of externally giving prominence to.Formed in 1st sidewall portion 25 and be used at the 2nd terminal leadout hole 35 making to receive under the portion of terminal of the 2nd terminal component 11 (the 2nd portion of terminal) 12 states of externally giving prominence to.In addition, formed in housing body 5 for receiving and fixing the wall portion of 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 forms.One end of movable contact component 9 is fixed in the 1st terminal component 7, the direction (the 1st direction D1) intersected in the direction (the 2nd direction D2) extended with the 1st terminal component 7 is upper to be extended, and arranges 2 travelling contacts 37,37 arranged side by side on the 3rd direction at the other end.Between one end and the other end of movable contact component 9, be provided with towards with the bend 39 of side opposite side projection that travelling contact 37,37 is set.
2nd terminal component 11 possesses: configuration spaced apart between the 1st terminal component 7 and the part 1 11A extended along the 1st terminal component 7 with travelling contact 37,37 opposite positions are being provided with the part 2 11B of two fixed contacts 41,41 arranged side by side on the 3rd direction.In present embodiment, the part 2 11B of movable contact component 9 and the 2nd terminal component 11A is specified, makes travelling contact 37,37 compared with fixed contact 41,41 at more front FO, namely, be located at the side, interval formed between the 1st terminal component 7 and the 2nd terminal component 11.
< card division >
Card division 13 is made by insulating material, and one end clamps the end of movable contact component 9 and is meshed with movable contact component 9, and surmount part 2 11 B 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 is made up of the coil 43 by iron core (not shown) and a pair pole piece 45,47 of combining with iron core.A pair pole piece 45,47 is configured on the position arranged side by side with iron core spaced apart and opposed, if coil 43 is excited, then appears at free end 45A, 47A with the corresponding magnetic pole that flows to of exciting current.Exciting current is configured to flow from the not shown power supply terminal be connected with coil 43.
Rotatable parts 17 are configured between free end 45A, 47A of a pair pole piece 45,47.Rotatable parts 17 are configured to adopt two panels magnetic metal sheet 49,51 to clamp permanent magnet (not shown), and are fixed by rotatable parts main body 53.In magnetic metal sheet 49,51, embody the different magnetic pole of polarity by permanent magnet.In the present embodiment, in succession, the S pole of permanent magnet and magnetic metal sheet 51 phase are in succession for the N pole of permanent magnet and magnetic metal sheet 49 phase.Rotatable parts 17 are configured to centered by center of rotation 55, rotate in the angular range of regulation.Cursor 57 extends from rotatable parts main body 53, and is 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 described.
< disconnects action >
Fig. 1 represent the electromagnetic relay 1 of present embodiment become off-state after state.Namely, streaming current in the power supply terminal be connected with coil 43 of the electromagnetic relay 1 under on-state described later, if carry out excitation to coil 43 to make to produce S pole on free end 45A, free end 47A produces N pole, then magnetic metal sheet 49 attracted to free end 45A as shown in Figure 1, and magnetic metal sheet 51 attracted to free end 47A.So rotatable parts 17 rotate, card division 13 is moved on FO in front.Accompany therewith, press movable contact component 9 by card division 13 and from the 2nd state displacement to the 1st state, travelling contact 37,37 is pulled open (off-state) by from fixed contact 41,41.In this condition, the state of not streaming current in the 1st terminal component 7 and the 2nd terminal component 11 is become.
< ON Action >
Fig. 2 represent the electromagnetic relay 1 of present embodiment become on-state after state.Namely, streaming current in the power supply terminal be connected with coil 43 of electromagnetic relay 1 in the off state, if carry out excitation to coil 43 to make to produce N pole in free end 45A, S pole is produced in free end 47A, then as shown in Figure 2, magnetic metal sheet attracted to free end 45A, and magnetic metal sheet 49 attracted to free end 47A.So rotatable parts 17 rotate, card division 13 backward directions RE is moved.Accompany therewith, make it from the 1st state displacement to the 2nd state by card division 13 tractive movable contact component 9, travelling contact 37,37 contacts (on-state) with fixed contact 41,41.In this condition, the state of streaming current in the 1st terminal component 7, the 2nd terminal component 11 and movable contact component 9 is become.
In the present embodiment, rotating at rotatable parts 17 makes after contact becomes off-state or on-state, to flowing exciting current in the opposite direction, the magnetic force that rotatable parts 17 are had by the permanent magnet forming rotatable parts 17 and oneself maintains position.Therefore, after confirming electromagnetic relay 1 and having carried out action, exciting current can be stopped, as long as only make the exciting current of coil 43 flow when wanting change off-state on-state, in addition, by change exciting current towards, can the off-state/on-state of two-way contact.
[power produced during on-state]
Fig. 3 is for representing that electromagnetic relay 1 becomes on-state, the schematic diagram of the power produced in movable contact component 9 during streaming current in the 1st terminal component 7, the 2nd terminal component 11 and movable contact component 9.In example such as shown in Fig. 3, as shown by the arrows, electric current is with the sequential flowing of the 2nd terminal component 11 → movable contact component the 9 → 1st terminal component 7, in interval S existing between the 1st terminal component 7 and the 2nd terminal component 11 as shown in Figure 3, produced the magnetic field of equidirectional by the electric current of flowing in the 1st terminal component 7, the 2nd terminal component 11 and movable contact component 9.By the Lorentz force (Lorentz force) acted between this magnetic field and the electric current flowed in movable contact component 9, in movable contact component 9, produce power (electromagnetic force) F1 pressed to fixed contact 41,41 by travelling contact 37,37.Therefore, according to the present invention, by the electric current of flowing, to movable contact component 9 generation power on the direction making travelling contact 37,37 contact with fixed contact 41,41, therefore fixed contact 37,37 and travelling contact 41,41 are not opened, and contact can not deposition or melting.In addition, even if when electric current towards the opposite flowed, power F1 towards also changing.
In addition, in present embodiment, on the position adjacent with movable contact component 9, the attraction shedder 19 that fixed configurations is made up of magnetic material.In the 1st terminal component 7, the 2nd terminal component 11 and movable contact component 9 during streaming current, attraction shedder 19 produces attraction by the magnetic field produced around movable contact component 9 between movable contact component 9 and attraction shedder 19, thus generation makes movable contact component 9 near power (electromagnetic force) F2 of the part 2 11B of the 2nd terminal component 11.Therefore, by configuration attraction shedder 19, and then power can be produced in the direction making travelling contact 37,37 contact with fixed contact 41,41, fixed contact can be made to contact more reliably with travelling contact.
In addition, in the present embodiment, the shape of the other end of the 1st terminal component 7 is formed as not interfering with the bend 39 of movable contact component 9, and in addition, configuration attraction shedder 19, makes it close with movable contact component 9.Thereby, it is possible to improve the attraction between movable contact component 9 and attraction shedder 19.
Above, embodiments of the present invention are illustrated particularly, but the present invention is not limited to these execution modes, certainly can produces change in the scope of technological thought of the present invention.
Utilizability in industry
According to the present invention, even if flow big current in the 1st terminal component and the 2nd terminal component, also can in movable contact component on the direction making travelling contact contact with fixed contact generation power (electromagnetic force), therefore travelling contact and fixed contact can not be opened instantaneously.Therefore, it is possible to obtain 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 attraction shedder
21 bottom wall part
23 surrounding wall portion
25, the 27,29,31 the 1st to the 4th sidewall portion
33 the 1st terminal leadout holes
35 the 2nd terminal leadout holes
37 travelling contacts
39 bends
41 fixed contacts
43 coils
45,47 a pair pole piece
49,51 magnetic metal sheets
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 connected with another end of above-mentioned 1st terminal component, 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, and another end is provided with fixed contact;
Electromagnetic spool device;
Rotatable parts, these rotatable parts are supported for the effect in the magnetic field produced by above-mentioned electromagnetic spool device, rotate in the angular range of regulation; With
Card division, this card division is engaged with another end above-mentioned of above-mentioned movable contact component, carrying out rotation by above-mentioned rotatable parts makes above-mentioned movable contact component from the 1st state displacement to the 2nd state, thus above-mentioned travelling contact is contacted with above-mentioned fixed contact, to the 1st state, above-mentioned travelling contact is pulled open from above-mentioned fixed contact from above-mentioned 2nd state displacement by making above-mentioned movable contact component
The feature of the built-in electromagnetic relay of described kilowatt-hour meter is,
Above-mentioned 1st terminal component possesses: have the part 1 of above-mentioned 1st portion of terminal and the part 2 being connected above-mentioned movable contact component,
Above-mentioned 2nd terminal component possesses: configuration spaced apart between above-mentioned 1st terminal component and the part 1 extended along the above-mentioned part 1 of above-mentioned 1st terminal component; With there is when above-mentioned movable contact component is positioned at above-mentioned 2nd state the part 2 position that contacts with above-mentioned fixed contact at above-mentioned travelling contact configuring the shape of above-mentioned fixed contact,
The above-mentioned part 2 of above-mentioned 1st terminal component extends on the direction be separated with the above-mentioned part 1 of above-mentioned 2nd terminal component,
Above-mentioned movable contact component, the above-mentioned part 2 along above-mentioned 1st terminal component on the direction that the direction that the above-mentioned part 1 with above-mentioned 1st terminal component extends intersects extends,
Position relationship between the above-mentioned part 2 specifying above-mentioned movable contact component and above-mentioned 2nd terminal component, to make compared with above-mentioned travelling contact and above-mentioned fixed contact position near side, above-mentioned interval.
2. the built-in electromagnetic relay of kilowatt-hour meter according to claim 1, wherein,
The position adjacent with above-mentioned movable contact component also possesses the attraction shedder be made up of magnetic material, when making streaming current in above-mentioned 1st terminal component, above-mentioned 2nd terminal component and above-mentioned movable contact component, by the magnetic field produced around above-mentioned movable contact component, produce and make above-mentioned movable contact component to the close attraction of the above-mentioned part 2 of above-mentioned 2nd terminal component.
3. the built-in electromagnetic relay of kilowatt-hour meter according to claim 1 and 2, wherein,
Between an end and another end of above-mentioned movable contact component, there is the flexing portion or bend of protruding towards the side contrary with the side being provided with above-mentioned travelling contact.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013194292A JP5503792B1 (en) | 2013-09-19 | 2013-09-19 | Electromagnetic relay |
| JP2013-194292 | 2013-09-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104465225A true CN104465225A (en) | 2015-03-25 |
| CN104465225B CN104465225B (en) | 2016-11-30 |
Family
ID=50941828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410431596.0A Active CN104465225B (en) | 2013-09-19 | 2014-08-28 | Electromagnetic relay |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5503792B1 (en) |
| CN (1) | CN104465225B (en) |
| HK (1) | HK1204709A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107924791A (en) * | 2016-02-23 | 2018-04-17 | 欧姆龙株式会社 | Electric power opening and closing device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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|---|---|---|---|---|
| CN102405507A (en) * | 2009-02-04 | 2012-04-04 | Clodi公司 | Electromagnetic relay assembly |
| JP2012104365A (en) * | 2010-11-10 | 2012-05-31 | Panasonic Corp | Contact device |
| CN102915880A (en) * | 2011-08-03 | 2013-02-06 | 富士通电子零件有限公司 | Electromagnetic relay |
| JP2013182687A (en) * | 2012-02-29 | 2013-09-12 | Tohodenki Corp | Power latching relay |
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| 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 |
| 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 |
-
2013
- 2013-09-19 JP JP2013194292A patent/JP5503792B1/en active Active
-
2014
- 2014-08-28 CN CN201410431596.0A patent/CN104465225B/en active Active
-
2015
- 2015-06-03 HK HK15105299.0A patent/HK1204709A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405507A (en) * | 2009-02-04 | 2012-04-04 | Clodi公司 | Electromagnetic relay assembly |
| JP2012104365A (en) * | 2010-11-10 | 2012-05-31 | Panasonic Corp | Contact device |
| CN102915880A (en) * | 2011-08-03 | 2013-02-06 | 富士通电子零件有限公司 | Electromagnetic relay |
| JP2013182687A (en) * | 2012-02-29 | 2013-09-12 | Tohodenki Corp | Power latching relay |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107924791A (en) * | 2016-02-23 | 2018-04-17 | 欧姆龙株式会社 | Electric power opening and closing device |
| CN107924791B (en) * | 2016-02-23 | 2019-05-10 | 欧姆龙株式会社 | Electric power opening and closing device |
| US10580603B2 (en) | 2016-02-23 | 2020-03-03 | Omron Corporation | Power switchgear |
| DE112016006474B4 (en) | 2016-02-23 | 2024-02-01 | Omron Corporation | POWER SWITCHGEAR |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5503792B1 (en) | 2014-05-28 |
| HK1204709A1 (en) | 2015-11-27 |
| CN104465225B (en) | 2016-11-30 |
| JP2015060748A (en) | 2015-03-30 |
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