CN103871787A - Electromagnetic contactor - Google Patents
Electromagnetic contactor Download PDFInfo
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- CN103871787A CN103871787A CN201310552805.2A CN201310552805A CN103871787A CN 103871787 A CN103871787 A CN 103871787A CN 201310552805 A CN201310552805 A CN 201310552805A CN 103871787 A CN103871787 A CN 103871787A
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- external connection
- electric conductor
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Abstract
The invention provides an electromagnetic contactor which can enable a conductor of an electromagnet to be connected with an external connection terminal of a change-over switch easily with no need a wide space for connection. The change-over switch (30) stored in a housing (11) of the electromagnetic contactor is provided with the external connection terminal (32) which is connected with the electromagnet (17) through the conductor (18a). The external connection terminal (32) is fixed through the braze welding or welding between the external connection terminal (32) and the conductor (18a). The external connection terminal (32) is provided with a pair of connecting pieces (32a, 32a) branching in a fork-shaped manner, thereby enabling the conductor (18a) to be embedded into the interior from the part between the pair of connecting pieces (32a, 32a). In addition, the connecting pieces (32a, 32a) are compressed and deformed against each other to fix the conductor (18a) temporarily.
Description
Technical field
The present invention relates to the electromagnetic contactor that electric current that the electrical load equipment of subtend motor etc. supplies with carries out switch.
Background technology
Electromagnetic contactor is the device disposing in housing with lower member: fixed contact, and it is arranged on power-on circuit, has the pair of conductive portion that keeps the configuration of predetermined distance compartment of terrain; Moving contact, it moves on the direction orthogonal direction extending with pair of conductive portion, have can with the movable contact that is arranged on the contact of fixed contact in pair of conductive portion or separates; Electromagnet, it has fixed iron core and the movable core that can be adsorbed in this fixed iron core and configuration relative to this fixed iron core; With movable support portion, it supports above-mentioned moving contact, links (for example, patent documentation 1) with the above-mentioned movable core of above-mentioned electromagnet.
In the electromagnet of the device of this patent documentation 1, a pair of fixed iron core respectively package have solenoid, when to magnetic excitation coil, when movable core attracted to fixed iron core, moving contact and fixed contact electrical connection.
At this, known a kind of electromagnetic contactor with electromagnet, this electromagnet possesses following two kinds of solenoids: make movable core be adsorbed in the connection solenoid of a pair of fixed iron core; With keep movable core to be adsorbed in the maintenance solenoid (for example, patent documentation 2) of the state of a pair of fixed iron core.
The electromagnetic contactor of this patent documentation 2 possesses to connecting solenoid and keeping solenoid to pass to the diverter switch of exciting current.
Figure 10 represent to be configured in electromagnetic contactor enclosure interior by the diverter switch 2 of blocking, this diverter switch 2 is provided with that a pair of with inner switch terminal (not shown) is connected and the outstanding external connection terminals 3,3 to outside.Form through hole 3a at said external splicing ear 3,3, insert and connect through hole 3a with the connection solenoid of electromagnet (not shown) and electric conductor 4a, the 4b that keeps solenoid to be connected, by soldering or welding, be connected with external connection terminals 3,3.
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2000-331585 communique
Patent documentation 2: TOHKEMY 2000-82374 communique
Summary of the invention
The technical problem that invention will solve
But, the operation that electric conductor 4a, 4b are connected with pair of outer splicing ear 3,3, conventionally as shown in Figure 11 (a) shows, by electric conductor 4a(4b) insert and connect after the through hole 3a of external connection terminals 3, as shown in Figure 11 (b), on one side keep electric conductor 4a(4b by the power (symbol F, F) of hand), utilize soldering or welding to connect electric conductor 4a(4b on one side) periphery and the operation of external connection terminals 3.
Like this, keep electric conductor 4a(4b) while be very bothersome time-consuming operation again to the connection operation that external connection terminals 3 carries out soldering or welding.
In addition, by electric conductor 4a(4b) while inserting and connect the through hole 3a of external connection terminals 3, need to be used for making electric conductor 4a(4b) the front end working space relative with through hole 3a.
The present invention is in view of above-mentioned existing technical problem proposition, and its object is, a kind of just without difficulty electromagnetic contactor time-consumingly simply electric conductor of electromagnet being connected with the external connection terminals of diverter switch of energy of broad space not needing for connecting is provided.
For the technological means of technical solution problem
In order to solve above-mentioned problem, the electromagnetic contactor of an embodiment of the present invention is accommodated with: electromagnet in its housing; Movable core with the relative configuration of fixed iron core of this electromagnet; The movable support portion of supporting this movable core and linking with the contact mechanism of switch power-on circuit; With the diverter switch that convection current is switched to the circuit of the exciting current of above-mentioned electromagnet, this electromagnetic contactor is characterised in that:
Above-mentioned diverter switch possesses external connection terminals, and said external splicing ear is connected with above-mentioned electromagnet through electric conductor, and fixes by soldering or welding and above-mentioned electric conductor,
Said external splicing ear possesses a pair of brace that is two forked (two shapes) branch, by above-mentioned electric conductor from being fitted to the inside of above-mentioned a pair of brace between above-mentioned a pair of brace.
According to the electromagnetic contactor of this execution mode, can make electric conductor relative with external connection terminals, and by electric conductor from being configured to the inside of a pair of brace between a pair of brace, therefore, in enclosure interior, do not need to guarantee around the broad space for external connection terminals is connected with electric conductor.
In addition, the electromagnetic contactor of an execution mode is characterised in that: above-mentioned a pair of brace compresses (caulking) distortion by approaching towards each other direction and carrys out temporary fixed above-mentioned electric conductor.
According to the electromagnetic contactor of an above-mentioned execution mode, carry out temporary fixed electric conductor by making a pair of brace compress distortion, operating personnel is keeping electric conductor just can easily carry out soldering or the weld job of external connection terminals and electric conductor without hand.
The effect of invention
According to electromagnetic contactor of the present invention, do not need the broad space for connecting, can without difficultyly time-consumingly simply the electric conductor of electromagnet be connected with the external connection terminals of diverter switch.
Accompanying drawing explanation
Fig. 1 is the longitudinal section that represents the electromagnetic contactor of off state of the present invention.
Fig. 2 is the figure that represents the electrical connection of the solenoid of the electromagnet that forms electromagnetic contactor of the present invention.
Fig. 3 is the sectional view that represents the diverter switch of electromagnetic contactor of the present invention.
Fig. 4 is the A-A direction view of Fig. 3.
Fig. 5 is the stereogram that represents the structure of the diverter switch of electromagnetic contactor of the present invention.
Fig. 6 is the plane graph that represents diverter switch of the present invention.
Fig. 7 is the figure of the state after representing the electric conductor to be connected with the external connection terminals of diverter switch of the present invention.
Fig. 8 is the figure that represents to make in the present invention the order that electric conductor is connected with the external connection terminals of diverter switch.
Fig. 9 is the longitudinal section that represents the electromagnetic contactor of on-state of the present invention.
Figure 10 represents the external connection terminals of diverter switch of the prior art and the figure of connected electric conductor.
Figure 11 is the figure that represents the order that electric conductor is connected with the external connection terminals of diverter switch of the prior art.
The explanation of Reference numeral
10 ... electromagnetic contactor, 11 ... lower house, 12 ... upper shell, 13 ... extinguishing arc cover, 15 ... fixed contact, 15a ... conductive part, 15b ... fixed contact, 16 ... terminal board, 17 ... electromagnet, 17a, 17b ... fixed iron core, 17c ... bobbin, 17d ... connect solenoid, 17e ... keep solenoid, 17f ... yoke, 17g, 17h ... magnetic pole plate, 17i ... movable core, 18 ... diverter switch, 18a, 18b, 19a, 19b ... electric conductor, 20 ... contact mechanism, 21 ... contact support, 22 ... linking part, 23 ... movable frame, 24 ... moving contact, 25 ... movable contact, 26 ... contact spring, 27 ... back-moving spring, 28 ... thrust piece, 29 ... switch enclosure, 29a ... fixed part, 29b ... peristome, 30 ... switch element, 31 ... switches conductive plate, 32 ... external connection terminals, 32a ... be the brace of two dichotomies, 33 ... switch fixed contact, 34 ... switch moving contact supporting member, 35 ... moving contact pushing spring, 36 ... switch movable contact, 37 ... switch moving contact, 38 ... outside movable piece, 39 ... switch cover, 40 ... outside opening window, 41 ... terminal window, 42 ... dust excluding plate, 42a ... plate body, 42b ... chimeric window, 42c ... accessory plate, 43 ... sliding guide piece.
Embodiment
Describe in detail and be used for implementing mode of the present invention (hereinafter referred to as execution mode) with reference to the accompanying drawings.In following execution mode, although inscape, kind, combination, shape, relative configuration etc. have been done to various restrictions,, these only exemplify, and the present invention is not limited thereto.
Fig. 1 is the sectional view that represents the electromagnetic contactor 10 of embodiments of the present invention.
The body housing of the electromagnetic contactor 10 of present embodiment comprises: the lower house 11 being made up of insulating material; Be arranged on the upper shell being formed by insulating material 12 on lower house 11 tops; With the extinguishing arc cover 13 being formed by insulating material of installing in the mode of upper opening that covers upper shell 12.
Fixed contact 15 and terminal board 16 are fixed on the upper wall of lower house 11.
Fixed contact 15 and terminal board 16 (are for example arranged on mains side and load-side in couples, left side is mains side, right side is load-side), be provided with fixed contact 15b on the top of the conductive part 15a of the fixed contact 15 on top, the terminal board 16 of bottom is drawn out to the outside of lower house 11.
And by upper shell 12 being arranged on to the top of lower house 11, fixed contact 15 is accommodated in the inner space of upper shell 12.
In addition, contact mechanism 20 is accommodated in the inner space of upper space and the upper shell 12 of lower house 11.
In the electromagnet 17 of present embodiment, the solenoid 17d that is wound on the periphery of a fixed iron core 17a in a pair of fixed iron core 17a, 17b connects solenoid (below, be called " connecting solenoid 17d "), the solenoid 17e that is wound on the periphery of another fixed iron core 17b is maintenance solenoid (following, to be called " keeping solenoid 17e ").
As shown in Figure 2, connect solenoid 17d and be connected in series with keeping solenoid 17e, and, keep the diverter switch 18 of solenoid 17e and normally-closed contact (b contact) to be connected in parallel.
As shown in Figure 1, this diverter switch 18, as the switch element 30 that is configured in switch enclosure 29 inside, is configured in around the electromagnet 17 in lower house 11.
At this, at the linking part 22 of movable frame 23, form the thrust piece 28 extending to switch element 30.
Fig. 3 to Fig. 6 represents the structure of switch element 30.
As shown in Figures 3 and 4, in the switch enclosure 29 being made up of insulating material, be formed with fixed part 29a at downside, this fixed part 29a is fixed on lower house 11 by hold-down screw.
Be configured in the pair of switches conductive plate 31 on top, forming from the outstanding external connection terminals 32 of the peristome 29b of switch enclosure 29, and forming switch fixed contact 33 at approximating position lower surface.External connection terminals 32 forms by being two dichotomies and a pair of brace 32a, 32a that can Free Transform.In addition, the pair of switches conductive plate 31 that is configured in bottom is same structure.
In addition, as shown in Figure 3, central portion in switch enclosure 29 disposes switch moving contact supporting member 34, and disposes moving contact pushing spring 35, and this moving contact pushing spring 35 applies the elastic force of the direction orthogonal with the two pairs of switch conductive plates 31 to switch moving contact supporting member 34.
On switch moving contact supporting member 34, possesses switch moving contact 37 configuration in couples up and down of switch movable contact 36, the elastic force push switch moving contact supporting member 34 that pushes spring 35 by moving contact, each switch movable contact 36 is connected with switch fixed contact 33.
In addition, as shown in Figures 4 and 5, at switch moving contact supporting member 34, the outside movable piece 38 that the thrust piece 28 forming with the linking part 22 in above-mentioned movable frame 23 engages is formed as from the peristome 29b of switch enclosure 29 outstanding.
As shown in Figure 5, the peristome 29b of switch enclosure is covered by switch cover 39.This switch cover 39 is formed with: make the outside movable piece 38 outside opening window 40 outstanding to outside; With the connecting portion 32 that makes the to go between multiple connecting portion windows 41 outstanding to outside.At this, outside opening window 40 is formed as OBL peristome, and the direction because moving with engaging of thrust piece 28 of outside movable piece 38 is long side direction.
In addition, as shown in Figure 5, in the switch element 30 of present embodiment, dispose the dust excluding plate 42 of the outside opening window 40 that covers switch cover 39.
This dust excluding plate 42 comprises: plate body 42a, its configuration of outer surface along switch cover 39; Chimeric window 42b, it is formed at plate body 42a, roughly the same with the peripheral shape of the base portion of the outside movable piece 38 of switch moving contact supporting member 34; With accessory plate 42c, the end that it is formed on plate body 42a, enters the space between the thrust piece 28 of movable frame and the inner surface of lower house 11.
In addition, be formed with multiple sliding guide pieces 43 at switch cover 39, as shown in Figure 6, the dust excluding plate 42 after the outside movable piece 38 of switch moving contact supporting member 34 is chimeric with chimeric window 42b, its left and right sides edge part is supported on sliding guide piece 43, one edge switch covers 39 on one side and slides.
At this, as shown in Figure 7, at the external connection terminals 32 from switch cover 39 two pairs of outstanding switch conductive plates 31 to outside, be connected with the electric conductor 18a, the 18b that are formed by copper barred body.As shown in Figure 2, this electric conductor 18a, 18b are the parts that two pairs of switch conductive plates 31 are connected in parallel.And other electric conductor 19a, the 19b being made up of the lead-in wire being connected with solenoid 17d, 17e is connected with an end of this electric conductor 18a, 18b.
Below, illustrate electric conductor 18a(18b with reference to Fig. 8) operation that is connected with the external connection terminals 32 of switch element 30 that is arranged at present embodiment.
Then, as shown in Figure 8 (b) shows, external connection terminals 32 is applied to thrust F1, so that the Direction distortion that a pair of brace 32a, 32a approach towards each other.Thus, even if operating personnel is keeping electric conductor 18a(18b without hand), also can be by electric conductor 18a(18b) be temporarily fixed on external connection terminals 32.
Then, as shown in Fig. 8 (c), be temporarily fixed on the electric conductor 18a(18b of external connection terminals 32) periphery and external connection terminals 32 between, by soldering or welding, connecting portion 45 is set.
The action of the electromagnetic contactor 10 of present embodiment is described below.
In the electromagnetic contactor 10 of the off state of Fig. 1, carry out excitation by the connection solenoid 17d to electromagnet 17, produce electromagnetic force at a fixed iron core 17a.Thus, movable core 17i overcomes the elastic force of back-moving spring 27, is adsorbed to fixed iron core 17a, and movable frame 23 moves downwards.In the time that moving contact 24 moves downwards, as shown in Figure 9, movable contact 25 is connected with fixed contact 15b, becomes the electromagnetic contactor 10 of on-state.
When movable core 17i and movable frame 23 1 are in the same way when fixed iron core 17a mono-side shifting, the thrust piece 28 being formed in movable frame 23 moves downwards, and the switch moving contact supporting member 34 of switch element 30 is resisted the elastic force of moving contact pushing spring 35 and is moved.Due to the movement of this switch moving contact supporting member 34, become two pairs of off-states that switch movable contact 36 leaves from switch fixed contact 33 of diverter switch 18.Thus, the exciting current of the connection solenoid 17d that flows through is passed to be connected solenoid 17d and keeps solenoid 17e both sides, produces electromagnetic force fixed iron core 17a, 17b both sides, keeps the contact condition of movable contact 25 and fixed contact 15b.
In addition, housing of the present invention and lower house 11, upper shell 12, extinguishing arc cover 13 are corresponding, and movable support of the present invention portion is corresponding with the connecting portion 22 of movable frame 23.
The action effect of present embodiment is described below.
When by electric conductor 18a(18b) while being connected with the external connection terminals 32 of switch element 30 that is arranged on present embodiment, make electric conductor 18a(18b) be that to be the external connection terminals 32 of shape of two dichotomies relative with a pair of brace 32a, 32a, by electric conductor 18a(18b) from being configured to the inside of a pair of brace 32a, 32a between a pair of brace 32a, 32a, therefore, in lower house 11, do not need to guarantee around for by external connection terminals 32 and electric conductor 18a(18b) the broad space that is connected.
In addition, by external connection terminals 32 is applied to thrust F1, make a pair of brace 32a, 32a towards Direction distortion closer to each other, by electric conductor 18a(18b) be temporarily fixed at external connection terminals 32, operating personnel is keeping electric conductor 18a(18b without hand), just can make electric conductor 18a(18b) soldering or the weld job that are connected with external connection terminals 32, therefore, can compared with prior art significantly shorten the external connection terminals 32 and electric conductor 18a(18b of labour and time) be connected.
Present embodiment has illustrated the switch element 30 that possesses two pairs of external connection terminals 32, with by pair of outer splicing ear 32 and an electric conductor 18a(18b) structure that is connected, but, the present invention is not limited thereto, even possess the switch element of pair of outer splicing ear 32, be configured to an external connection terminals 32 is connected with an electric conductor, another external connection terminals 32 is connected with another root electric conductor, also can obtain same action effect.
In addition, the electric conductor being connected with external connection terminals 32 is not limited in the electric conductor being made up of copper barred body as the present embodiment, even the electric conductor being made up of lead-in wire also has same action effect.
Above with reference to accompanying drawing, embodiments of the invention have been described, but the present invention is not limited in above-described embodiment.In the technology of the present invention thought range, can do various changes, they all belong to protection scope of the present invention.
Claims (2)
1. an electromagnetic contactor is accommodated with: electromagnet in its housing; Movable core with the relative configuration of fixed iron core of this electromagnet; The movable support portion of supporting this movable core and linking with the contact mechanism of switch power-on circuit; With the diverter switch that the circuit of the exciting current that flows to described electromagnet is switched, this electromagnetic contactor is characterised in that:
Described diverter switch possesses external connection terminals, and described external connection terminals is connected with described electromagnet through electric conductor, and fixes by soldering or welding and described electric conductor,
Described external connection terminals possesses a pair of brace that is two dichotomies, by described electric conductor from being fitted to the inside of described a pair of brace between described a pair of brace.
2. electromagnetic contactor according to claim 1, is characterized in that:
Described a pair of brace compresses distortion by approaching towards each other direction and carrys out temporary fixed described electric conductor.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012272947A JP6123269B2 (en) | 2012-12-14 | 2012-12-14 | Magnetic contactor |
| JP2012-272947 | 2012-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103871787A true CN103871787A (en) | 2014-06-18 |
| CN103871787B CN103871787B (en) | 2017-06-13 |
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ID=50910209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310552805.2A Active CN103871787B (en) | 2012-12-14 | 2013-11-08 | Electromagnetic contactor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6123269B2 (en) |
| CN (1) | CN103871787B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3060198B1 (en) * | 2016-12-08 | 2019-05-17 | Schneider Electric Industries Sas | ELECTRICAL CUTTING APPARATUS OF AN ELECTRICAL CURRENT |
| JP7101065B2 (en) * | 2018-07-09 | 2022-07-14 | 株式会社日立製作所 | Rotating machine drive system and vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007294254A (en) * | 2006-04-25 | 2007-11-08 | Matsushita Electric Works Ltd | Electromagnetic switching device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62140318A (en) * | 1985-12-16 | 1987-06-23 | ミツク電子工業株式会社 | Leaf-switch contact spring segment provided with caulking protrusion |
| FR2643503B1 (en) * | 1989-02-21 | 1991-05-10 | Telemecanique Electrique | CONTACTOR APPARATUS WITH PROTECTED SWITCHES |
| JP2001110283A (en) * | 1999-10-08 | 2001-04-20 | Calsonic Kansei Corp | Structure of ignition switch |
| JP2001126570A (en) * | 1999-10-25 | 2001-05-11 | San'eisha Mfg Co Ltd | Coil change switch for the input magnet in magnetic switch |
-
2012
- 2012-12-14 JP JP2012272947A patent/JP6123269B2/en active Active
-
2013
- 2013-11-08 CN CN201310552805.2A patent/CN103871787B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007294254A (en) * | 2006-04-25 | 2007-11-08 | Matsushita Electric Works Ltd | Electromagnetic switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103871787B (en) | 2017-06-13 |
| JP6123269B2 (en) | 2017-05-10 |
| JP2014120246A (en) | 2014-06-30 |
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Address after: Saitama Prefecture, Japan Patentee after: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. Address before: Tokyo, Japan Patentee before: FUJI ELECTRIC FA COMPONENTS & SYSTEMS Co.,Ltd. |