CN104979143B - Release electromagnet device and its manufacturing method - Google Patents

Release electromagnet device and its manufacturing method Download PDF

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Publication number
CN104979143B
CN104979143B CN201410336121.3A CN201410336121A CN104979143B CN 104979143 B CN104979143 B CN 104979143B CN 201410336121 A CN201410336121 A CN 201410336121A CN 104979143 B CN104979143 B CN 104979143B
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CN
China
Prior art keywords
yoke
bobbin
plunger
permanent magnet
side magnetic
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CN201410336121.3A
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Chinese (zh)
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CN104979143A (en
Inventor
滨野惠太
森贡
高桥和希
甲斐孝幸
塚本龙幸
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of CN104979143A publication Critical patent/CN104979143A/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F7/1607Armatures entering the winding
    • H01F7/1615Armatures or stationary parts of magnetic circuit having permanent magnet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081Magnetic constructions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/24Electromagnetic mechanisms
    • H01H71/32Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
    • H01H71/322Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with plunger type armature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/081Magnetic constructions
    • H01F2007/083External yoke surrounding the coil bobbin, e.g. made of bent magnetic sheet

Abstract

In release electromagnet device according to the present invention, yoke penetrates through side magnetic yoke body configured with plunger, center side magnetic yoke body, permanent magnet side magnetic yoke body and constitute, wherein, the bobbin is accommodated in the inner space of yoke, the electromagnetic coil, the transmission yoke, the permanent magnet, the plunger perforation side magnetic yoke body is located at the 1st bobbin framework side of the bobbin, and with the through-hole being connected to the through-hole of the bobbin, the center side magnetic yoke body is bent from plunger perforation side magnetic yoke body to the permanent magnet side respectively, permanent magnet side magnetic yoke body bends from the center side magnetic yoke body to the through-hole central side of the bobbin and is abutted with the permanent magnet respectively, and both ends of the surface form yoke closure.

Description

Release electromagnet device and its manufacturing method
Technical field
The present invention relates to used as such as tripgear of the circuit-breakers such as Inturruptor for sub-line, leakage circuit breakers Release electromagnet device and its manufacturing method.
Background technology
It is well known that the structure of the circuit-breakers such as Inturruptor for sub-line, leakage circuit breakers is as follows:In the circuit-breaker Tripping mechanism is based on the jump for detecting short circuit or electric leakage etc. and generating whens short-circuit either electric leakage etc. occurring in the circuit connected Lock signal, automatically tripping and by above-mentioned circuitry cuts.Foregoing circuit breaker has release electromagnet device, the release Type electromagnet apparatus there is the electromagnetic coil that is powered based on trip signal and be released when the electromagnetic coil is powered and into The mobile plunger of row, makes tripping mechanism trip by cuts off circuit by the movement of the plunger of the release electromagnet device.
Release electromagnet device is made of electromagnetic coil, yoke, permanent magnet, plunger and release spring etc..Plunger is logical It crosses permanent magnet and adsorbs and be maintained in yoke, but simultaneously, release spring is pre-tightened to that will adsorb the direction released.In usual condition Under, since the attraction of permanent magnet is more than the pretightning force of release spring, plunger is kept by absorption, but is detecting tripping letter Number when, overcurrent is flowed on electromagnetic coil to weaken the polarity of magnetic force of permanent magnet, if attraction be less than release spring it is pre- Clamp force, then plunger detached with yoke using the power of release spring, carry out the trip operation of circuit-breaker.
Currently, as the release electromagnet device used in circuit-breaker, such as in patent document 1, Tu18Zhong It is disclosed.Following release electromagnet devices are disclosed in patent document 1, utilize end yoke opening main yoke The occlusion of mouth end.The detailed construction of above-mentioned release electromagnet device is illustrated based on the sectional view of Figure 18.In figure 18, magnetic Yoke 1 is made of following part:Bottom side magnetic yoke body 1a keeps permanent magnet 2;Main yoke 1c, from bottom side magnetic yoke body 1a It bends and there is open end 1b;And end yoke 1d, the open end 1b of main yoke 1c is occluded.By in bottom side In magnetic yoke body 1a and main yoke 1c after receiving permanent magnet 2, transmission yoke 3, bobbin 5 and the 1st insertion tube 6, end yoke is utilized 1d occludes the open end 1b of main yoke 1c, to constitute yoke 1 by end yoke 1d, main yoke 1c, bottom side magnetic yoke body 1a, Wherein, bobbin 5 central portion 5a have through-hole 5b, between the 1st bobbin framework 5c and the 2nd bobbin framework 5d described in Peripheral surface installation the 4, the 1st insertion tube 6 of electromagnetic coil of central portion 5a is inserted into the through-hole 5b of bobbin 5.
Grooving portion 5e is formed in the inner circumferential side of the 2nd bobbin framework 5d of bobbin 5, and the side 6a of the 1st insertion tube 6 is to diameter It bends and engages with the grooving portion 5e of the 2nd bobbin framework 5d of bobbin 5 outward so that the 1st insertion tube 6 will not be from coil Frame 5 falls off.The other side 6b of 1st insertion tube 6 compared with the 1st bobbin framework 5c of bobbin 5 to axially external will not stretch The mode gone out is configured.
In end, the central portion of yoke 1d is provided with bushing portion 1d2, and it is identical straight to have with the internal diameter of the 1st insertion tube 6 The through-hole 1d1 of diameter or slightly larger diameter.Plunger 7 is inserted into the through-hole of the bushing portion 1d2 of end yoke 1d from one side 7a The 1st insertion section 7b of the inner circumferential side of 1d1, the 1st insertion tube 6, plunger 7 can be moved in the 1st insertion tube 6 in an axial direction.
The 2nd insertion section 7c of plunger 7 is located in the through-hole 1d1 of the bushing portion 1d2 of end yoke 1d, and diameter is configured to compare The small diameter of the diameter of 1st insertion section 7b.The diameter of the other side 7d of plunger 7 is configured to more smaller than 2nd insertion section 7c diameters Diameter.Being constituted between the other side 7d of plunger 7 and the 2nd insertion section 7c of plunger 7 has stage portion 7e.The 2nd in plunger 7 is inserted into The peripheral surface of portion 7c is chimeric to be inserted into the 2nd insertion tube 8, and being formed as can be in an axial direction in the through-hole 1d1 of the bushing portion 1d2 of end yoke 1d Interior movement.
The side 8a of 2nd insertion tube 8 is abutted using the attraction of permanent magnet 2 with yoke 3 is transmitted in the side 7a of plunger 7 When, at the position that is not abutted with the other side 6b of the 1st insertion tube 6, also, the other side 8b of the 2nd insertion tube 8 with along The mode of the stage portion 7e constituted between the other side 7d of plunger 7 and the 2nd insertion section 7c of plunger 7 is to the other side of plunger 7 The peripheral surface lateral bending of 7d is rolled over.
Plate 9 is configured in the shaft end side of the other side 7d of plunger 7 and is fixed by fixed support body 10, using in plate 9 It is fitted between the other side 8b of the 2nd insertion tube 8 made of being bent in a manner of the stage portion 7e along plunger 7 and is inserted into plunger Plate 9 is pressed and is fixed in fixed support body 10 by the spring force of the flat spring 11 on 7 other side 7d.
Release spring 12 configures between plate 9 and the end yoke 1d of yoke 1 in the peripheries bushing portion 1d2 of end yoke 1d Side, release spring 12 are configured to, when the side 7a of plunger 7 is abutted by the attraction of permanent magnet 2 with transmission yoke 3, maintain to make The pretightning force that plunger 7 is detached with transmission yoke 3.
Patent document 1:No. 5248982 bulletins of Japanese Patent
In above-mentioned existing release electromagnet device, yoke 1 is by main yoke 1c and end yoke 1d this two parts structure At end yoke 1d is provided with bushing portion 1d2, and bushing portion 1d2 has through-hole 1d1, and there are the following problems, that is, number of components Increase, and if main yoke 1c and end yoke 1d is difficult to by engagements such as rivetings in main yoke 1c and end yoke The magnetic resistance that the joint portion of 1d generates is managed, and release characteristics are unstable.
In addition, plunger 7 is by 1st insertion section 7b, the 2nd insertion section with the small diameter of the diameter than 1st insertion section 7b The diameter of 3 grades as 7c and other side 7d with the diameter less diameter than 2nd insertion section 7c is constituted, There are problems that forming complicated shape.
In addition, the pipe for making plunger 7 be inserted into, by the 1st insertion tube 6 being inserted into the through-hole 5b of bobbin 5 and is fitted into It is inserted into the 2nd insertion tube 8 at the peripheral surface of the 2nd insertion section 7c of plunger 7 this 2 pipes to constitute, there are the following problems:Component count Amount increases, and can be formed with the complicated shape constructed as follows, this is configured to keep the side 6a of the 1st insertion tube 6 outside to diameter Lateral bending is rolled over and is engaged with the grooving portion 5e formed in the 2nd bobbin framework 5d of bobbin 5, and the 1st insertion tube 6 will not be from bobbin 5 are detached from.
As noted previously, as be the more structure of number of components and form complicated shape, therefore in their assembling Many workloads and labour are needed when operation, there are problems that assembling operation spends the time.
In addition, permanent magnet 2 and transmit yoke 3 positioning be is carried out by following manner, that is, will transmission yoke 3 be fastened on from In the protrusion 5f that 2nd bobbin framework 5d of bobbin 5 is protruded slightly towards the sides bottom side magnetic yoke body 1a of yoke 1, but protrude Portion 5f is only protruded slightly above to the sides bottom side magnetic yoke body 1a of yoke 1, it's hard to say being steadily and reliably to carry out permanent magnet 2 and transmit The positioning of yoke 3.
Invention content
The present invention is exactly to propose in order to solve the above problems, and stable release can be obtained its purpose is to provide a kind of Put the release electromagnet device of characteristic.
Additionally, it is provided a kind of can realize the release electromagnet device cut down number of components and simplify assembling operation.
Release electromagnet device according to the present invention, has:Bobbin has through-hole, the 1st in central portion The peripheral surface of the central portion between bobbin framework and the 2nd bobbin framework installs electromagnetic coil;Yoke is transmitted, configuration exists The 2nd bobbin framework side of the bobbin;Permanent magnet configures on the transmission yoke;Yoke, in inner space It is middle to accommodate the bobbin, the electromagnetic coil, the transmission yoke, the permanent magnet;Insertion tube is inserted into the bobbin The through-hole in;Plunger is inserted into the inner circumferential of the insertion tube, is moved to the direction for abutting, detaching with the transmission yoke; And release spring, the plunger is pre-tightened to the direction detached with the transmission yoke, the plunger utilizes the permanent magnet Attraction and be maintained at at the position that abuts of transmission yoke, the attraction of the permanent magnet when the electromagnetic coil is powered Power reduces, and is discharged to the direction detached with the transmission yoke using the pretightning force of the release spring, in the release electromagnet In device, the yoke is made of plunger perforation side magnetic yoke body, center side magnetic yoke body, permanent magnet side magnetic yoke body, wherein the column Plug perforation side magnetic yoke body is located at the 1st bobbin framework side of the bobbin, and has and connect with the through-hole of the bobbin Logical through-hole, the center side magnetic yoke body are bent from plunger perforation side magnetic yoke body to the permanent magnet side respectively, Permanent magnet side magnetic yoke body bent respectively from the center side magnetic yoke body to the through-hole central side of the bobbin and with it is described Permanent magnet abuts, and both ends of the surface form yoke closure, and the side of the insertion tube detaches with the transmission yoke and configured.
In addition, the manufacturing method of release electromagnet device according to the present invention, with following processes:In bobbin Central portion have through-hole, the central portion between the 1st bobbin framework and the 2nd bobbin framework peripheral surface installation electricity Magnetic coil;Yoke and permanent magnet are transmitted in the receiving in portion being arranged in the 2nd bobbin framework of the bobbin;It will be The described of the 2nd bobbin framework of the bobbin contains the assembling for transmitting yoke and the permanent magnet in portion Body is inserted into configured with plunger perforation side magnetic yoke body, center side magnetic yoke body, permanent magnet side magnetic yoke body and the yoke constituted, wherein The plunger perforation side magnetic yoke body is located at the 1st bobbin framework side of the bobbin, and has and the bobbin The through-hole of through-hole connection, the center side magnetic yoke body from the plunger penetrate through side magnetic yoke body to the permanent magnet side respectively into Bending is gone, through-hole central side difference of the permanent magnet side magnetic yoke body from the center side magnetic yoke body to the bobbin It bends and is abutted with the permanent magnet, and both ends of the surface form yoke closure;Insertion tube is opened from the side of the insertion tube Begin, in a manner of so that the side of the insertion tube is detached with the transmission yoke and configure, is inserted into the plunger of the yoke The through-hole of side magnetic yoke body, the through-hole of the bobbin are penetrated through, until the other side of the insertion tube and the yoke The plunger perforation side magnetic yoke body abut until;And in the chimeric insertion flat spring in the other side of plunger, make the plunger The front end of the other side is inserted into the through-hole of plate, and the plate, the flat spring are being fixed on the column using fixed support body After beyond the Great Wall, it is fitted on the plunger and is inserted into release spring, be inserted into the insertion tube from the side of the plunger, the column Until the insertion section of plug is inserted into the insertion tube, as a result, the release spring in the other side of the insertion tube and It is configured to that there is defined pretightning force between the plate.
The effect of invention
According to release electromagnet device according to the present invention, side magnetic yoke body, center side magnetic are penetrated through by configuring plunger Yoke body, permanent magnet side magnetic yoke body and constitute yoke, so as to obtain can get stabilization release characteristics release electromagnet Device, wherein yoke accommodates bobbin, electromagnetic coil, transmits yoke, permanent magnet in the interior space, and plunger penetrates through side magnetic yoke body Positioned at the 1st bobbin framework side of bobbin, and with the through-hole that is connected to the through-hole of bobbin, center side magnetic yoke body is from plunger Perforation side magnetic yoke body is bent respectively to permanent magnet side, permanent magnet side magnetic yoke body leading to from center side magnetic yoke body to bobbin Hole central side bends and is abutted with permanent magnet respectively, and both ends of the surface form yoke closure.
In addition, the achievable release electromagnet device cut down number of components and simplify assembling operation can be obtained.
Description of the drawings
Fig. 1 is the sectional view for indicating the release electromagnet device involved by embodiments of the present invention 1.
Fig. 2 is the decomposition expansion oblique view for indicating the release electromagnet device involved by embodiments of the present invention 1.
Fig. 3 is the oblique view of the yoke in the release electromagnet device indicated involved by embodiments of the present invention 1.
Fig. 4 is bobbin and electromagnetic wire in the release electromagnet device indicated involved by embodiments of the present invention 1 The oblique view of circle.
Fig. 5 is the bobbin and electromagnetism indicated in the release electromagnet device involved by embodiments of the present invention 1 The oblique view of state after coil assembling.
Fig. 6 is bobbin and electromagnetic wire in the release electromagnet device indicated involved by embodiments of the present invention 1 The assembly of circle, the oblique view for transmitting yoke and permanent magnet.
Fig. 7 is bobbin, the electromagnetic wire indicated in the release electromagnet device involved by embodiments of the present invention 1 Circle, the assembly for transmitting yoke and permanent magnet be housed in yoke before state oblique view.
Fig. 8 is bobbin, the electromagnetic wire indicated in the release electromagnet device involved by embodiments of the present invention 1 Circle, the assembly for transmitting yoke and permanent magnet be housed in yoke after state oblique view.
Fig. 9 is bobbin, electromagnetic wire in the release electromagnet device indicated involved by embodiments of the present invention 1 Enclose, transmit the oblique view of the state in the assembly of yoke, permanent magnet and yoke before receiving insertion tube.
Figure 10 is bobbin, electromagnetism in the release electromagnet device indicated involved by embodiments of the present invention 1 Coil, transmit yoke, permanent magnet and yoke assembly in state after receiving insertion tube oblique view.
Figure 11 is bobbin, electromagnetism in the release electromagnet device indicated involved by embodiments of the present invention 1 Coil, the oblique view for transmitting state in the assembly of yoke, permanent magnet, yoke and insertion tube before receiving plunger.
Figure 12 is the decomposition expansion strabismus of the plunger in the release electromagnet device involved by embodiments of the present invention 1 Figure.
Figure 13 is plunger and fixed support in the release electromagnet device indicated involved by embodiments of the present invention 1 The oblique view of body.
Figure 14 is bobbin, electromagnetism in the release electromagnet device indicated involved by embodiments of the present invention 1 Coil, the oblique view for transmitting state in the assembly of yoke, permanent magnet, yoke and insertion tube after receiving plunger.
Figure 15 is the oblique view of the yoke in the release electromagnet device indicated involved by embodiments of the present invention 2.
Figure 16 is the oblique view of the yoke in the release electromagnet device indicated involved by embodiments of the present invention 3.
Figure 17 is the oblique view of the yoke in the release electromagnet device indicated involved by embodiments of the present invention 4.
Figure 18 is the sectional view for indicating existing release electromagnet device.
Specific implementation mode
Embodiment 1
In the following, being illustrated to embodiments of the present invention 1 based on Fig. 1 to Figure 14, in the various figures, to same or equivalent Component, position mark identical label and illustrate.Fig. 1 is the release type electricity indicated involved by embodiments of the present invention 1 The sectional view of magnet arrangement.Fig. 2 is the decomposition expansion for indicating the release electromagnet device involved by embodiments of the present invention 1 Oblique view.Fig. 3 is the oblique view of the yoke in the release electromagnet device indicated involved by embodiments of the present invention 1.Fig. 4 It is the oblique view of the bobbin and electromagnetic coil in the release electromagnet device indicated involved by embodiments of the present invention 1. Fig. 5 be indicate by the release electromagnet device involved by embodiments of the present invention 1 bobbin and electromagnetic coil assembling The oblique view of state afterwards.Fig. 6 is the bobbin in the release electromagnet device indicated involved by embodiments of the present invention 1 With the assembly of electromagnetic coil, transmit the oblique view of yoke and permanent magnet.Fig. 7 is that indicate will be involved by embodiments of the present invention 1 Release electromagnet device in bobbin, electromagnetic coil, transmit yoke and permanent magnet assembly be housed in yoke before State oblique view.Fig. 8 is the coil indicated in the release electromagnet device involved by embodiments of the present invention 1 Frame, electromagnetic coil, transmit yoke and permanent magnet assembly be housed in yoke after state oblique view.Fig. 9 is to indicate The bobbin in release electromagnet device, electromagnetic coil involved by embodiments of the present invention 1, transmit yoke, permanent magnet and The oblique view of the state before insertion tube is accommodated in the assembly of yoke.Figure 10 is indicated involved by embodiments of the present invention 1 And release electromagnet device in bobbin, electromagnetic coil, transmit yoke, permanent magnet and yoke assembly in accommodate and be inserted into The oblique view of state after pipe.Figure 11 is in the release electromagnet device indicated involved by embodiments of the present invention 1 Bobbin, electromagnetic coil, transmit the oblique of state in the assembly of yoke, permanent magnet, yoke and insertion tube before receiving plunger View.Figure 12 is the decomposition expansion oblique view of the plunger in the release electromagnet device involved by embodiments of the present invention 1. Figure 13 is the strabismus of the plunger and fixed support body in the release electromagnet device indicated involved by embodiments of the present invention 1 Figure.Figure 14 be bobbin in the release electromagnet device indicated involved by embodiments of the present invention 1, electromagnetic coil, Transmit the oblique view of the state in the assembly of yoke, permanent magnet, yoke and insertion tube after receiving plunger.
In above-mentioned each figure, the yoke 101 being made of magnetic material is configured with plunger perforation side magnetic yoke body 101a, center side Magnetic yoke body 101b, permanent magnet side magnetic yoke body 101c and constitute, wherein plunger perforation side magnetic yoke body 101a be located at bobbin 102 1st sides bobbin framework 102c have through-hole 101a1, through-hole 101a1 and the central portion 102b formation in bobbin 102 Through-hole 102a connections, and it is configured to the diameter roughly the same with through-hole 102a, center side magnetic yoke body 101b penetrates through side from plunger Magnetic yoke body 101a is bent respectively to 103 side of permanent magnet, permanent magnet side magnetic yoke body 101c from center side magnetic yoke body 101b to The through-hole 102a central sides of bobbin 102 bend and are abutted with permanent magnet respectively, and both ends of the surface 101c1 forms yoke closure 101d.That is, yoke 101 is configured to, by forming single plate bending process is rectangular, abutted forever with permanent magnet 103 Yoke closure 101d is formed at the position of the both ends of the surface 101c1 of magnet yoke body 101c.It is illustrated yoke closure 101d on the direction orthogonal with the axial direction of aftermentioned plunger 107 the case where being for example linearly arranged.
In between the 1st bobbin framework 102c of bobbin 102 and the 2nd bobbin framework 102d of bobbin 102 The peripheral surface of centre portion 102b installs electromagnetic coil 104.It is provided with around portion on the 2nd bobbin framework 102d of bobbin 102 102d1, should around portion 102d1 by between the magnetic yoke body 101c of permanent magnet side there are minimum gap in a manner of and extend, pass through The transmission yoke 105 being made of magnetic material is accommodated in portion 102d1 at this and is positioned, and is located in and is transmitted on yoke 105 Permanent magnet 103 is located in also by the positioning for transmitting yoke 105 in portion 102d1.
It penetrates through in the through-hole 101a1 of the side magnetic yoke body 101a and through-hole 102a of bobbin 102 and inserts in the plunger of yoke 101 Enter the insertion tube 106 being made of non-magnetic material, the side 106a of insertion tube 106 extends to the position not abutted with transmission yoke 105 It sets, the structure that the other side 106b of insertion tube 106 is formed as one, which penetrates through the outer of side magnetic yoke body 101a in plunger Side forms fulcrum bearing 106b1, and fulcrum bearing 106b1 extends compared with plunger penetrates through the through-hole 101a1 of side magnetic yoke body 101a to diameter Outward, aftermentioned release spring 111 is supported.
It is configured to, the insertion section 107a of plunger 107 is inserted into the inner circumferential of insertion tube 106, plunger 107 is in insertion tube 106 It is moved to the direction transmitted the abutting of yoke 105, detached, the side 107b of plunger 107 is abutted with transmission yoke 105, detached.In plunger The position of 107 insertion section 107a being located on the outside of plunger perforation side magnetic yoke body 101a is configured with diameter than insertion section 107a's The other side 107c of the small plunger 107 of diameter, the structure between the insertion section 107a of plunger 107 and the other side 107c of plunger 107 At there is stage portion 107d.
Plate 108 is configured in the shaft end side of the other side 107c of plunger 107 and is fixed using fixed support body 109, Utilize the chimeric flat spring being inserted on the other side 107c of plunger 107 between plate 108 and the stage portion 107d of plunger 107 Plate 108 is pressed and is fixed in fixed support body 109 by 110 spring force.
Release spring 111 configures between plate 108 and the fulcrum bearing 106b1 of the other side 106b of insertion tube 106 in plunger The peripheral side of the 107 insertion section 107a being located on the outside of plunger perforation side magnetic yoke body 101a, release spring 111 are configured in plunger By the attraction of permanent magnet 103 and when being abutted with transmission yoke 105, maintenance makes plunger 107 and transmits yoke 107 side 107b The pretightning force of 105 separation.
Next, being illustrated to the action of the release electromagnet device of the present invention constituted in the above manner.Fig. 1 It shows the reset operation by circuit-breaker (not shown), plunger 107 is configured into the state after reset position.At this point, The magnetic flux of permanent magnet 103 is as shown in magnetic flux path X, from the poles N via transmitting yoke 105, plunger 107, insertion tube 106, yoke 101 Plunger perforation side magnetic yoke body 101a, center side magnetic yoke body 101b, permanent magnet side magnetic yoke body 101c and return to the poles S.If by permanent magnetism The attraction of iron 103 is set as Fm, the pretightning force of release spring 111 is set as Fs, then plunger 107 is passed with the power of Fm-Fs Pass the attraction of yoke 105.That is, Fig. 1 show the side 107b of plunger 107 by the attraction of permanent magnet 103 and with transmit yoke 105 The state of abutting is formed with the flux circuit X generated by permanent magnet 103.The attraction of permanent magnet 103 is than release spring 111 The big attraction of pretightning force, plunger 107 adsorbs and is maintained at by the attraction of permanent magnet 103 and transmitted on yoke 105.
If circuit-breaker (not shown) detects that short circuit, electric leakage, electromagnetic coil 104 are powered based on trip signal, Then as shown in flux circuit Y, via plunger 107, permanent magnet side magnetic yoke body 101c, the center side magnetic of transmission yoke 105, yoke 101 Yoke body 101b, plunger perforation side magnetic yoke body 101a, insertion tube 106 and be back to plunger 107.In this way, to offset permanent magnet 103 The mode of attraction generates magnetic flux.Also, if the attraction Fm of permanent magnet 103 becomes less than the pretightning force of release spring 111 Fs, then plunger 107 by the pretightning force Fs of release spring 111 and with transmit yoke 105 detach, to yoke 101 on the paper of Fig. 1 Plunger perforation side magnetic yoke body 101a the protrusion movement of outer upper side, tripping mechanism (not shown) carries out the tripping of circuit.
Using the release electromagnet device involved by present embodiment 1, following problems can be solved, that is, such as above-mentioned existing Some release electromagnet devices are such, and yoke 101 is made of main yoke 1c and end this two parts of yoke 1d, end yoke 1d It is provided with bushing portion 1d2, bushing portion 1d2 has through-hole 1d1, it is difficult to being produced at the joint portion of main yoke 1c and end yoke 1d Raw magnetic resistance is managed, and release characteristics are unstable.
Yoke 101 in present embodiment 1 be by single plate processing it is rectangular made of, penetrate through side magnetic configured with plunger Yoke body 101a, center side magnetic yoke body 101b, permanent magnet side magnetic yoke body 101c and constitute, wherein plunger penetrate through side magnetic yoke body 101a Positioned at the 1st sides bobbin framework 102c of bobbin 102, with through-hole 101a1, through-hole 101a1 and in bobbin 102 The through-hole 102a connections that centre portion 102b is formed, and it is configured to the diameter roughly the same with through-hole 102a, center side magnetic yoke body 101b is bent from plunger perforation side magnetic yoke body 101a to 103 side of permanent magnet respectively, and permanent magnet side magnetic yoke body 101c is therefrom Centre side magnetic yoke body 101b bends to the through-hole 102a central sides of bobbin 102 and is abutted with permanent magnet respectively, and both ends of the surface 101c1 forms yoke closure 101d.That is, yoke 101 be by single plate bending process it is rectangular made of, be configured to It is formed with yoke closure 101d at the position of the both ends of the surface 101c1 for the permanent magnet side magnetic yoke body 101c that permanent magnet 103 abuts, by In the plating film thickness generated in the joint portion of above-mentioned existing structure, gap can be removed, and the variation of magnetic flux is significantly decreased, Therefore it can ensure stable release characteristics.
In addition, the diameter of 2 grades as insertion section 107a and other side 107c of plunger 107 is constituted, it is not as above State that existing structure is such, by 1st insertion section 7b, the 2nd insertion section 7c with the small diameter of the diameter than 1st insertion section 7b, And the diameter of 3 grades as the other side 7d with the diameter less diameter than 2nd insertion section 7c is constituted, it can Form simple shape.
In addition, insertion tube 106 is inserted into the through-hole 101a1 and coil of the plunger perforation side magnetic yoke body 101a of yoke 101 In the through-hole 102a of frame 102, the side 106a of insertion tube 106 extends to the position not abutted with transmission yoke 105, by appointing The other side 106b of what bending process, insertion tube 106 is formed as a structure, which penetrates through side magnetic yoke body in plunger The outside of 101a forms fulcrum bearing 106b1, and fulcrum bearing 106b1 is compared with plunger penetrates through the through-hole 101a1 of side magnetic yoke body 101a Elongation supports release spring 111, therefore be not as above-mentioned existing structure, by being inserted into coil to radial outside The 1st insertion tube 6 in the through-hole 5b of frame 5 and the 2nd insertion tube at the peripheral surface of the chimeric 2nd insertion section 7c for being inserted into plunger 7 8 this 2 pipes are constituted, moreover, nor formed make the side 6a of the 1st insertion tube 6 to radial outside bend and in bobbin 5 The grooving portion 5e engagings that 2nd bobbin framework 5d is formed, the 1st insertion tube 6 will not fall off the complex shape of this structure from bobbin 5 Shape, can form a structure of simple structure, therefore can reduce number of components and realize simple assembling.
In addition, make insertion tube 106 be inserted into yoke 101 plunger perforation side magnetic yoke body 101a through-hole 101a1 and coil In the through-hole 102a of frame 102, the position deviation of yoke 101 and bobbin 102 can be inhibited.
In addition, insertion tube 106 is made of non-magnetic material, it is ensured that the magnetic gap of yoke 101 and plunger 107, therefore have Function as plunger guide portion.
In addition, the fixation about insertion tube 106, the other side 106b of insertion tube 106 penetrates through side magnetic yoke body 101a in plunger Outside be provided with fulcrum bearing 106b1, fulcrum bearing 106b1 with plunger penetrate through side magnetic yoke body 101a through-hole 101a1 compared with stretch It is long that release spring 111 is supported to radial outside, simultaneously by the pressing of insertion tube 106 using the pretightning force of release spring 111 It is positioned on the plunger perforation side magnetic yoke body 101a of yoke 101, therefore the operation that need not be bonded etc., can realize assembling operation Simplification.
As noted previously, as simple shape can be formed while reducing number of components, therefore need not be many Workload and labour can complete their assembling operation, can carry out simple assembling operation, can be simple in the short time Ground carries out assembling operation.
In addition, the positioning about permanent magnet 103 and transmission yoke 105, on the 2nd bobbin framework 102d of bobbin 102 Be provided with surround portion 102d1, should around portion 102d1 by between the magnetic yoke body 101c of permanent magnet side there are minimum gap in a manner of And extend, only by accommodating the transmission yoke 105 being made of magnetic material in portion 102d1 at this and being located in transmission yoke Permanent magnet 103 on 105, it will be able to carry out stable and reliable positioning.
Next, being illustrated to the assembling sequence of the release electromagnet device in the above embodiment 1.Fig. 2 is table Show the whole decomposition expansion oblique view of release electromagnet device.Fig. 3 is the strabismus for indicating the yoke 101 in embodiment 1 Figure, yoke 101 are to process rectangular by single plate and formed, and be made of following part:Plunger penetrates through side magnetic yoke body 101a, with through-hole 101a1;Center side magnetic yoke body 101b penetrates through side magnetic yoke body 101a to 103 side of permanent magnet point from plunger It is not bent;And permanent magnet side magnetic yoke body 101c, it bends to central side and is abutted with permanent magnet respectively, and both ends Face 101c1 forms yoke closure 101d.
As noted previously, as single plate is processed rectangular and forms yoke 101, therefore relative to above-mentioned existing structure Such yoke 1 is made of main yoke 1c and end this two parts of yoke 1d, can cut down number of components, and since there is no engagement Therefore portion does not have magnetic resistance, release characteristics can be made to stablize, wherein main yoke 1c bends from bottom side magnetic yoke body 1a and has opening 1b, end yoke 1d is held to occlude the open end 1b of main yoke 1c.
First, as shown in figure 5, electromagnetic coil 104 to be mounted on to the 1st bobbin framework 102c and coil of bobbin 102 The peripheral surface of central portion 102b between 2nd bobbin framework 102d of frame 102.As shown in fig. 6, being equipped with electromagnetic coil Set on 2nd bobbin framework 102d of 104 bobbin 102 to surround in portion 102d1, receiving is transmitted yoke 105 and is carried out Permanent magnet 103 is mounted on and transmits the recess portion of yoke 105 and position by the positioning for transmitting yoke 105.Only by the way that these are transmitted yoke 105 and permanent magnet 103 be contained in be arranged on the 2nd bobbin framework 102d of bobbin 102 in the portion 102d1, energy It is enough steadily to carry out reliable and simple positioning.In addition, transmit yoke 105 is maintained at bobbin 102 by mounting screw 112 2nd bobbin framework 102d's surrounds in portion 102d1.
In this way, transmitting yoke 105 and permanent magnetism for accommodating by being provided in the 2nd bobbin framework 102d of bobbin 102 Iron 103 it is all surround portion 102d1, so as to steadily carry out reliable and simple transmit determining for yoke 105 and permanent magnet 103 Position.It is cut shown in above-mentioned existing structure in addition, not formed in the sides through-hole 102a of the 2nd bobbin framework 102d of bobbin 102 Groove portion 5e, but form simple construction.
Next, as shown in Figures 7 and 8, by surrounding on being set to the 2nd bobbin framework 102d of bobbin 102 The assembly for transmitting yoke 105 and permanent magnet 103 and being formed is contained in portion 102d1, and the magnetic is inserted into from the opening portion of yoke 101 In the space of yoke 101, it is inserted into the through-hole of the through-hole 101a1 and bobbin 102 of the plunger perforation side magnetic yoke body 101a of yoke 101 Until position consistent 102a.
In this way, since the sides through-hole 102a of the 2nd bobbin framework 102d in bobbin 102 are not formed such as above-mentioned existing knot Grooving portion 5e as structure, therefore will not be formed as existing structure makes the side 6a of the 1st insertion tube 6 be bent to radial outside And engage with the grooving portion 5e formed in the 2nd bobbin framework 5d of bobbin 5, the 1st insertion tube 6 will not fall off from bobbin 5 The complicated shape of this construction, and it is created as extremely simple construction, assemblability is also simple.
Also, as shown in Fig. 9 and Figure 10, insertion tube 106 is penetrated through into the outer of side magnetic yoke body 101a from the plunger of yoke 101 Side is sequentially inserted into the plunger of yoke 101 since the side 106a of the insertion tube 106 and penetrates through the through-hole of side magnetic yoke body 101a The through-hole 102a of 101a1, bobbin 102 make the other side 106b extended to radial outside and yoke 101 of insertion tube 106 Plunger penetrates through side magnetic yoke body 101a and abuts.
In this way, being only to be initially inserted into an insertion tube 106 to yoke 101 from the side 106a of the insertion tube 106 Plunger penetrates through the through-hole 102a of the through-hole 101a1 of side magnetic yoke body 101a, bobbin 102, until the other side 106b of insertion tube 106 Until being abutted with the plunger of yoke 101 perforation side magnetic yoke body 101a, with shown in above-mentioned existing structure by being inserted into bobbin 5 Chimeric the 2nd insertion tube 8 this 2 being inserted into of the peripheral surface of the 1st insertion tube 6 in through-hole 5b and the 2nd insertion section 7c in plunger 7 The structure that pipe is constituted is compared, and can be cut down number of components, can be formed simple structure.
In addition, as shown in above-mentioned existing structure, the 1st insertion tube 6 is inserted into and fixed structure to the through-hole 102a of bobbin 102 It is more complicated to make, and the 2nd insertion tube 8 to the insertion of the peripheral surface of the 2nd insertion section 7c of plunger 7 be also it is more complicated, In contrast, in present embodiment 1, only by 1 insertion tube 106 be inserted into the other side 106b of the insertion tube 106 with Until the plunger perforation side magnetic yoke body 101a of yoke 101 is abutted, extremely simple insertion operation can be carried out.In addition, insertion tube 106 side 106a will not be bent as existing structure to radial outside, only across predetermined distance and transmission 3 phase of yoke It is right, do not pass through any processing, therefore form simple construction.
Also, it as shown in Figure 11 to 14, is fitted into the other side 107c of plunger 107 and is inserted into flat spring 110, make the plunger The front end of 107 other side 107c is inserted into the through-hole 108a of plate 108, using fixed support body 109 by plate 108, plate bullet After spring 110 is fixed on plunger 107, it is fitted on the plunger 107 and is inserted into release spring 111, inserted from the side 107b of plunger 107 Enter to insertion tube 106, the insertion section 107a of plunger 107 is inserted into insertion tube 106, and release spring 111 is in insertion tube as a result, 106 other side 106b, that is, configured in a manner of with defined pretightning force between fulcrum bearing 106b1 and plate 108.
As described above, the diameter of 2 grades as insertion section 107a and other side 107c of plunger 107 is constituted, it will not Plunger 7 is by 1st insertion section 7b, the 2nd insertion section with the small diameter of the diameter than 1st insertion section 7b as existing structure The diameter of 3 grades as 7c and other side 7d with the diameter less diameter than 2nd insertion section 7c is constituted, Form simple shape.Moreover, the 2nd insertion section 7c as above-mentioned existing structure is not present, and setting is also not present and exists The 2nd insertion tube 8 on 2nd insertion section 7c, therefore, it is possible to form extremely simple construction.
In addition, to the magnetization of permanent magnet 103 be the assembly shown in the state or Figure 14 of assembly shown in Fig. 10 State in free position under carry out, plunger 107 adsorbs by the attraction of permanent magnet 103 and is maintained at transmission yoke On 105.
As described above, the structure of each component by simplifying release electromagnet device and number of components is cut down, to not It needs many workloads and labour that can complete their assembling operation, simple assembling operation, Neng Gou can be carried out Short time simply carries out assembling operation.
Embodiment 2
Embodiments of the present invention 2 are illustrated based on Figure 15.Figure 15 is indicated involved by embodiments of the present invention 2 Release electromagnet device in yoke oblique view.
In above-mentioned embodiment 1, to the position of the both ends of the surface 101c1 of the permanent magnet side magnetic yoke body 101c in yoke 101 Set place formed yoke closure 101d, on the direction orthogonal with the axial direction of plunger 107 for example linearly be arranged the case where into Narration is gone, but in present embodiment 2, for the position of the both ends of the surface 101c1 of the permanent magnet side magnetic yoke body 101c in yoke 101 The yoke closure 101e that place is formed is set, the concave-convex construction being provided with for engaging with each other is used.
In present embodiment 2, the yoke closure 101e of yoke 101 is by the protrusion of triangle and triangle The structure that recess portion engages with each other can improve magnetic characteristic compared with the above embodiment 1.
Embodiment 3
Embodiments of the present invention 3 are illustrated based on Figure 16.Figure 16 is indicated involved by embodiments of the present invention 3 Release electromagnet device in yoke oblique view.
In above-mentioned embodiment 2, the yoke closure 101e to yoke 101 is by the protrusion of triangle and triangle Situation after the recess portion of shape engages with each other is illustrated, but preferably in 3, the yoke closure of yoke 101 101f is the structure for engaging with each other the recess portion of the protrusion of square shape and square shape, is had identical as the above embodiment 2 Effect.
Embodiment 4
Embodiments of the present invention 4 are illustrated based on Figure 17.Figure 17 is indicated involved by embodiments of the present invention 4 Release electromagnet device in yoke oblique view.
In above-mentioned embodiment 1, to the position of the both ends of the surface 101c1 of the permanent magnet side magnetic yoke body 101c in yoke 101 Set place formed yoke closure 101d, on the direction orthogonal with the axial direction of plunger 107 for example linearly be arranged the case where into Go narration, if but be formed as the yoke 101 of rectangle as described above and apply external force after shaping, it is easy flexure, therefore have The yoke closure 101d of yoke 101 may be caused to open and impacted to magnetic characteristic.Yoke in above-mentioned embodiment 2 101 yoke closure 101e is that the protrusion of triangle and the recess portion of triangle is made to engage with each other, above-mentioned embodiment 3 In yoke 101 yoke closure 101f be so that the protrusion of square shape and the recess portion of square shape is engaged with each other, even if this A little yoke closure 101e, 101f are opened, and are also able to maintain that concave-convex engaging, therefore can inhibit the influence to magnetic characteristic.
But in present embodiment 4, by make yoke 101 yoke closure 101g shape to wedge cooperation Mode and carry out concave-convex engaging, the yoke closure 101g to be formed as yoke 101 is indeformable and the construction do not opened.That is, It is configured to the ruler of the convex root of size ratio of the convex front end in the both ends of the surface 101c1 of the permanent magnet side magnetic yoke body 101c of yoke 101 Very little big, the size of the recessed root of size ratio of the recessed front end in both ends of the surface 101c1 is small.The yoke closure 101g's of yoke 101 Bumps engaging is to engage convex front end with recessed root, and convex root is engaged with recessed front end.In this way, having both ends of the surface due to constituting 101c1, thus by bend yoke 101 permanent magnet side magnetic yoke body 101c by make yoke 101 yoke closure 101g it is recessed Convex clip closes, and so as to prevent the yoke closure 101g of yoke 101 from opening, will not have any impact to magnetic characteristic.
As described above, yoke be by single plate bending process it is rectangular made of, be configured to abutting with permanent magnet Yoke closure is formed at the position of the both ends of the surface of permanent magnet side magnetic yoke body, the yoke closure of yoke is not limited to above-mentioned Each embodiment can also form the shape of other yoke closures.
In addition, the present invention in the range of invention, can freely combine each embodiment or to each embodiment party Formula progress deformation appropriate, omission.
Industrial applicibility
The present invention is adapted for carrying out the release electromagnet device that can obtain stable release characteristics.

Claims (7)

1. a kind of release electromagnet device, has:Bobbin has through-hole in central portion, in the 1st bobbin framework and The peripheral surface of the central portion between 2nd bobbin framework installs electromagnetic coil;Yoke is transmitted, is configured in the bobbin 2nd bobbin framework side;Permanent magnet configures on the transmission yoke;Yoke accommodates the line in the interior space Coil, the electromagnetic coil, the transmission yoke, the permanent magnet;Insertion tube is inserted into the through-hole of the bobbin In;Plunger is inserted into the inner circumferential of the insertion tube, is moved to the direction for abutting, detaching with the transmission yoke;And release bullet Spring pre-tightens the plunger to the direction that detaches of transmission yoke, the plunger using the attraction of the permanent magnet and It is maintained at the position abutted with the transmission yoke, when the electromagnetic coil is powered, the attraction of the permanent magnet reduces, profit It is discharged to the direction detached with the transmission yoke with the pretightning force of the release spring,
The release electromagnet device is characterized in that,
The yoke is made of plunger perforation side magnetic yoke body, center side magnetic yoke body, permanent magnet side magnetic yoke body, wherein the plunger Perforation side magnetic yoke body is located at the 1st bobbin framework side of the bobbin, and has and be connected to the through-hole of the bobbin Through-hole, the center side magnetic yoke body from the plunger perforation side magnetic yoke body bent respectively to the permanent magnet side, institute State permanent magnet side magnetic yoke body bent respectively from the center side magnetic yoke body to the through-hole central side of the bobbin and with it is described forever Magnet abuts, and both ends of the surface form yoke closure, and the side of the insertion tube detaches with the transmission yoke and configured, described The other side of insertion tube is pressed using the pretightning force of the release spring to plunger perforation side magnetic yoke body.
2. release electromagnet device according to claim 1, which is characterized in that
The yoke be by single plate bending it is rectangular made of, in the permanent magnet side yoke abutted with the permanent magnet The yoke closure is formed at the position of the both ends of the surface of body.
3. release electromagnet device according to claim 1, which is characterized in that
The insertion tube is inserted into the through-hole of the plunger perforation side magnetic yoke body and the through-hole of the bobbin, and one Lateral the transmissions yoke side extends, and the outside that the other side penetrates through side magnetic yoke body in the plunger forms fulcrum bearing, the fulcrum bearing and The through-hole of the plunger perforation side magnetic yoke body is compared to elongation to radial outside.
4. release electromagnet device according to any one of claim 1 to 3, which is characterized in that
The insertion tube is inserted into the plunger on the outside of plunger perforation side magnetic yoke body and penetrates through the described logical of side magnetic yoke body In the through-hole of hole and the bobbin, and with to the corrected construction of the deviation of the yoke and the bobbin.
5. release electromagnet device according to claim 3, which is characterized in that
The release spring is maintained in the fulcrum bearing of the other side of the insertion tube.
6. release electromagnet device according to claim 1 or 2, which is characterized in that
Positioned at the yoke closure of the two end faces of the permanent magnet side magnetic yoke body of the yoke, with what is engaged with each other It is concave-convex.
7. a kind of manufacturing method of release electromagnet device, with following processes:
There is through-hole in the central portion of bobbin, the central portion between the 1st bobbin framework and the 2nd bobbin framework Peripheral surface installs electromagnetic coil;Yoke is transmitted in the receiving in portion being arranged in the 2nd bobbin framework of the bobbin And permanent magnet;The transmission yoke and institute are contained by being surrounded in portion described in the 2nd bobbin framework in the bobbin The assembly for stating permanent magnet is inserted into configured with plunger perforation side magnetic yoke body, center side magnetic yoke body, permanent magnet side magnetic yoke body and structure At yoke, wherein plunger perforation side magnetic yoke body is located at the 1st bobbin framework side of the bobbin, and has The through-hole being connected to the through-hole of the bobbin, the center side magnetic yoke body penetrate through side magnetic yoke body to described from the plunger Permanent magnet side is bent respectively, and permanent magnet side magnetic yoke body is from the center side magnetic yoke body to described in the bobbin Through-hole central side bends and is abutted with the permanent magnet respectively, and both ends of the surface form yoke closure;By insertion tube from described The side of insertion tube starts, and in a manner of so that the side of the insertion tube is detached with the transmission yoke and configure, is inserted into described The through-hole of the plunger perforation side magnetic yoke body of yoke, the through-hole of the bobbin, until the insertion tube is another Until side is abutted with the plunger of yoke perforation side magnetic yoke body;And in the chimeric insertion plate bullet in the other side of plunger Spring makes the front end of the other side of the plunger be inserted into the through-hole of plate, using fixed support body by the plate, the plate bullet It after spring is fixed on the plunger, is fitted on the plunger and is inserted into release spring, be inserted into from the side of the plunger described In insertion tube, until the insertion section of the plunger is inserted into the insertion tube, as a result, the release spring is inserted described Enter and is configured to that there is defined pretightning force between the other side of pipe and the plate.
CN201410336121.3A 2014-04-03 2014-07-15 Release electromagnet device and its manufacturing method Active CN104979143B (en)

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KR101838422B1 (en) * 2014-04-03 2018-03-13 미쓰비시덴키 가부시키가이샤 Release-type electromagnet device and production method therefor
CN105523157B (en) * 2015-12-25 2018-02-23 河北工业大学 A kind of underwater robot, which is thrown, carries module
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CN107275164A (en) * 2017-08-02 2017-10-20 厦门安普格电气有限公司 Energy-efficient magnetic keeps electrical apparatus release
FR3084772B1 (en) * 2018-08-01 2021-06-18 Schneider Electric Ind Sas ELECTROMAGNETIC ACTUATOR AND ELECTRICAL SWITCHING APPARATUS INCLUDING THIS ACTUATOR

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06203725A (en) * 1992-12-28 1994-07-22 Matsushita Electric Works Ltd Sealed contact device
CN1161556A (en) * 1996-03-26 1997-10-08 松下电工株式会社 Sealed contact device with contact gap adjustment capability
CN101728052A (en) * 2008-10-29 2010-06-09 三菱电机株式会社 Release electromagnet device
CN204441227U (en) * 2014-04-03 2015-07-01 三菱电机株式会社 Release electromagnet device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5327306Y2 (en) * 1972-07-21 1978-07-11
JPS596503A (en) * 1982-07-02 1984-01-13 Sumitomo Special Metals Co Ltd Self-holding type solenoid
DE3445917A1 (en) * 1984-12-17 1986-06-19 Harting Elektronik Gmbh, 4992 Espelkamp LIFT MAGNET
JPS6437004U (en) * 1987-08-28 1989-03-06
DE8900779U1 (en) * 1989-01-25 1989-05-11 Walloschke, Rudolf, 4972 Loehne, De
IT1249286B (en) * 1990-07-30 1995-02-22 Bticino Spa PERMANENT MAGNET RELEASE ELECTROMAGNET FOR AUTOMATIC SWITCHES
JPH05248982A (en) 1992-03-10 1993-09-28 Nkk Corp Heat medium leak sensing method for heat medium transport piping
JP2004347077A (en) * 2003-05-26 2004-12-09 Hitachi Unisia Automotive Ltd Solenoid valve unit
JP4910663B2 (en) * 2006-02-27 2012-04-04 富士電機機器制御株式会社 Release electromagnetic device
DE102008057738B4 (en) * 2008-11-17 2011-06-16 Kendrion Magnettechnik Gmbh Electromagnet with adjustable bypass air gap
JP5419204B2 (en) * 2009-03-19 2014-02-19 アイシン・エィ・ダブリュ工業株式会社 Linear solenoid outer yoke and method of attaching outer yoke
WO2011033654A1 (en) * 2009-09-18 2011-03-24 三菱電機株式会社 Releasing type electromagnet device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06203725A (en) * 1992-12-28 1994-07-22 Matsushita Electric Works Ltd Sealed contact device
CN1161556A (en) * 1996-03-26 1997-10-08 松下电工株式会社 Sealed contact device with contact gap adjustment capability
CN101728052A (en) * 2008-10-29 2010-06-09 三菱电机株式会社 Release electromagnet device
CN204441227U (en) * 2014-04-03 2015-07-01 三菱电机株式会社 Release electromagnet device

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EP3128523A1 (en) 2017-02-08
EP3128523B1 (en) 2021-05-26
EP3128523A4 (en) 2018-01-31
KR20160095092A (en) 2016-08-10
JP6138349B2 (en) 2017-05-31
CN104979143A (en) 2015-10-14
JPWO2015151259A1 (en) 2017-04-13
TWI533348B (en) 2016-05-11
WO2015151259A1 (en) 2015-10-08
TW201539512A (en) 2015-10-16

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