CN104576224B - The permanent magnetism type contactor operation device of band dropout safety - Google Patents

The permanent magnetism type contactor operation device of band dropout safety Download PDF

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Publication number
CN104576224B
CN104576224B CN201410832167.4A CN201410832167A CN104576224B CN 104576224 B CN104576224 B CN 104576224B CN 201410832167 A CN201410832167 A CN 201410832167A CN 104576224 B CN104576224 B CN 104576224B
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China
Prior art keywords
iron core
reaction spring
electromagnetic trip
bobbin
yoke
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CN201410832167.4A
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CN104576224A (en
Inventor
舒亮
许成文
吴桂初
梁步猛
吴浪
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Wenzhou University
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Wenzhou University
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/643—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rotating or pivoting movement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electromagnets (AREA)

Abstract

nullThe invention discloses the permanent magnetism type contactor operation device of a kind of band dropout safety，Including coil、Bobbin、Static iron core、Dynamic iron core、Permanent magnet、Yoke、Reaction spring、Reaction spring gland、Reaction spring outer housing，It is additionally provided with dropout safety between described dynamic iron core and permanent magnet，Described dropout safety include arc set、Outer arcuate set、Torsion spring、Torsion spring rotating shaft、First rotates bar、Second rotates bar，By using said structure，Owing to the present invention is additionally arranged dropout safety，These dropout safety first store energy during dynamic iron core with the normal adhesive of static iron core，Thus after dynamic iron core and static iron core adhesive，Once carry out disjunction by original coil，The energy release that these dropout safety just can will store，Thus force disjunction to move iron core and static iron core，Reach the purpose eliminated safe hidden trouble.

Description

The permanent magnetism type contactor operation device of band dropout safety
Technical field
The present invention relates to a kind of permanent magnetism type contactor, be specifically related to the permanent magnetism type contactor operation device of a kind of band dropout safety.
Background technology
nullAt present，Permanent magnetism type contactor has generally included coil、Bobbin、Static iron core、Dynamic iron core、Permanent magnet、Yoke、Reaction spring、Reaction spring gland、Reaction spring outer housing，Described yoke is U-shaped structure，Described coil is around being loaded on bobbin and correspondence is positioned on the inner bottom surface of U-shaped yoke，Described static iron core is arranged in bobbin，And the lower axial end of static iron core connects fixing with the inner bottom surface of U-shaped yoke，Described permanent magnet is installed on the upper axial end face of static iron core，The outer coaxial sleeve of described permanent magnet is equipped with reaction spring gland，Described reaction spring correspondence is set on static iron core，And the axial two ends of reaction spring inner bottom surface with reaction spring gland and U-shaped yoke respectively abuts against，Described reaction spring outer housing coaxial package is outside reaction spring and to constitute the radial direction to reaction spring spacing，Described dynamic iron core correspondence is positioned at the axial top of permanent magnet，And the lower axial end face of described dynamic iron core presses on reaction spring gland.
During use, owing to the polarity of permanent magnet immobilizes, therefore people make coil electricity typically by external control element, thus produce magnetic field, when this magnetic field is identical with permanent magnet magnetic field direction, dynamic iron core will be promoted to move downward, attracted with static iron core；And time in opposite direction with magnetic field of permanent magnet when this magnetic field, dynamic iron core will be promoted to move upward separate with static iron core, but after dynamic iron core and static iron core are attracted, once outside control element breaks down, or permanent magnet contactor is in suddenly power failure state, now people just by making it produce the magnetic field in opposite direction with magnetic field of permanent magnet to coil electricity, thus the most just cannot cannot make iron core move upward with static iron core and separate, in turn result in potential safety hazard.
Summary of the invention
For the deficiencies in the prior art, the invention provides the permanent magnetism type contactor operation device of a kind of band dropout safety, this mechanism can force disjunction to move iron core and static iron core by dropout safety, thus effectively eliminate safe hidden trouble in the case of original coil cannot normally work.
nullFor achieving the above object，The invention provides the permanent magnetism type contactor operation device of a kind of band dropout safety，Including coil、Bobbin、Static iron core、Dynamic iron core、Permanent magnet、Yoke、Reaction spring、Reaction spring gland、Reaction spring outer housing，Described yoke is U-shaped structure，Described coil is around being loaded on bobbin and correspondence is positioned on the inner bottom surface of U-shaped yoke，Described static iron core is arranged in bobbin，And the lower axial end of static iron core connects fixing with the inner bottom surface of U-shaped yoke，Described permanent magnet is installed on the upper axial end face of static iron core，The outer coaxial sleeve of described permanent magnet is equipped with reaction spring gland，Described reaction spring correspondence is set on static iron core，And the axial two ends of reaction spring inner bottom surface with reaction spring gland and U-shaped yoke respectively abuts against，Described reaction spring outer housing coaxial package is outside reaction spring and reaction spring gland and to constitute the radial direction to reaction spring gland spacing，Described dynamic iron core correspondence is positioned at the axial top of permanent magnet，And the lower axial end face of described dynamic iron core presses on reaction spring gland，It is additionally provided with dropout safety between described dynamic iron core and permanent magnet，Described dropout safety include arc set、Outer arcuate set、Torsion spring、Torsion spring rotating shaft、First rotates bar、Second rotates bar，Described arc set coaxial package is outside reaction spring gland，Described outer arcuate set coaxial package is outside arc overlaps，And constitute the most hinged being rotatably assorted by the first rotation bar between described arc set and U-shaped yoke，The most hinged being rotatably assorted is constituted by the second rotation bar between described outer arcuate set and U-shaped yoke，Described torsion spring rotating shaft also radially wears is fixed in U-shaped yoke，Described torsion spring set is loaded in torsion spring rotating shaft，And two elongated ends of described torsion spring are respectively acting on arc set and outer arcuate puts，And make to produce contrary hinged rotatory force between arc set and outer arcuate set，The outer circumference surface of described reaction spring gland is provided with two extension rods being radially symmetrically extended，The outer housing through hole passed for described extension rod it is correspondingly provided with on described reaction spring outer housing，It is correspondingly provided with on the inner ring surface of described arc set and constitutes, with described extension rod, the L-shaped chute that sliding coordinates，The inner ring surface of described outer arcuate set is provided with one and radially extends projection，Described arc puts to be correspondingly provided with described in confession and radially extends the clamping through hole that projection clamping embeds，A push rod has also been radially extended on the outer ring surface of described outer arcuate set，In described U-shaped yoke, correspondence offers the yoke through hole passed for described push rod，Described push rod passes to connect on the end, outer end outside yoke through hole to be had the driving means of its axial jack-up.
The invention has the beneficial effects as follows: use said structure, owing to the present invention is additionally arranged dropout safety, these dropout safety first store energy during dynamic iron core with the normal adhesive of static iron core, thus after dynamic iron core and static iron core adhesive, once carry out disjunction by original coil, the energy release that these dropout safety just can will store, thus force disjunction to move iron core and static iron core, reach the purpose eliminated safe hidden trouble.
nullSpecific works principle is as follows: first in dynamic iron core and the normal adhesive stage of static iron core，Coil electricity produces magnetic field，And promote dynamic iron core to move downward，Dynamic iron core moves downward reaction spring gland will be driven to move down simultaneously，Reaction spring forced compression，Extension rod on reaction spring gland first puts the vertical end axial slip of L-shaped chute along arc，Until dynamic iron core is attracted with static iron core，Extension rod on reaction spring gland moves to the transverse end of L-shaped chute，Now promotion arc set is rotated counterclockwise，Owing to being provided with torsion spring between arc set and outer arcuate set，And described torsion spring can make to produce contrary hinged rotatory force between arc set and outer arcuate set，Therefore outer arcuate set will rotate clockwise，Thus cause that outer arcuate puts radially extend projection clamping through hole from arc set in skid off，And press on the outer ring surface of arc set，Due to now，Extension rod on reaction spring gland has been introduced in the transverse end of L-shaped chute，Therefore compressive state will be kept after reaction spring pressurized to store energy.Then when catalyst needs disjunction, if it occur that fault, disjunction cannot be carried out by original coil, then can carry out, by driving means, the push rod that outer arcuate described in axial jack-up puts, thus promote outer arcuate set to rotate counterclockwise, what outer arcuate put radially extend projection embeds in the clamping through hole that arc puts by clamping, now under the effect of described torsion spring, arc set will rotate clockwise, so that the extension rod on reaction spring gland skids off in the transverse end of arc set L-shaped chute, the compression stress that reaction spring stores will be released, so that reaction spring axial jack-up reaction spring gland, and then the most just make iron core move up to separate with static iron core.
The present invention can be further arranged to described driving means and include electromagnetic trip lever, electromagnetic trip coil, electromagnetic trip bobbin, electromagnetic trip shell, electromagnetic trip coil is around being loaded on electromagnetic trip bobbin, described electromagnetic trip bobbin is installed in electromagnetic trip shell, the lower axial end of described electromagnetic trip lever is arranged in electromagnetic trip bobbin, and the upper axial end of described electromagnetic trip lever is hinged fixing with the end, outer end of push rod.
Using said structure, the preferred magnetictrip of described driving means, during use, people are to electromagnetic trip coil electricity, so that electromagnetic trip lever moves upward, and the push rod that outer arcuate described in axial jack-up puts.
Accompanying drawing explanation
Fig. 1 is the structural perspective of the present invention；
Fig. 2 is the partial structurtes axonometric chart of the present invention；
Fig. 3 is the partial structurtes sectional view of the present invention；
Fig. 4 is the structure chart of reaction spring gland in the present invention；
Fig. 5 is the structure chart of arc set in the present invention；
Fig. 6 is the structure chart of present invention China and foreign countries arc sleeve.
Detailed description of the invention
nullSuch as Fig. 1、2、3、4、5、The permanent magnetism type contactor operation device of a kind of band dropout safety is given shown in 6，Including coil 1、Bobbin 2、Static iron core 3、Dynamic iron core 4、Permanent magnet 5、Yoke 6、Reaction spring 7、Reaction spring gland 8、Reaction spring outer housing 9，Described yoke 6 is U-shaped structure，Described coil 1 is around being loaded on bobbin 2 and correspondence is positioned on the inner bottom surface of U-shaped yoke 6，Described static iron core 3 is arranged in bobbin 2，And the lower axial end of static iron core 3 connects fixing with the inner bottom surface of U-shaped yoke 6，Described permanent magnet 5 is installed on the upper axial end face of static iron core 2，The described outer coaxial sleeve of permanent magnet 5 is equipped with reaction spring gland 8，Described reaction spring 7 correspondence is set on static iron core 3，And the axial two ends of reaction spring 7 inner bottom surface with reaction spring gland 8 and U-shaped yoke 6 respectively abuts against，Described reaction spring outer housing 9 coaxial package is outer in reaction spring 7 and reaction spring gland 8 and to constitute the radial direction to reaction spring gland 8 spacing，Described dynamic iron core 4 correspondence is positioned at the axial top of permanent magnet 5，And the lower axial end face of described dynamic iron core 4 presses on reaction spring gland 8，It is additionally provided with dropout safety 10 between described dynamic iron core 4 and permanent magnet 5，Described dropout safety 10 include arc set 101、Outer arcuate set 102、Torsion spring 103、Torsion spring rotating shaft 104、First rotates bar 105、Second rotates bar 106，Described arc overlaps 101 coaxial packages outside reaction spring gland 8，Described outer arcuate overlaps 102 coaxial packages outside arc set 101，And constitute the most hinged being rotatably assorted by the first rotation bar 105 between described arc set 101 and U-shaped yoke 6，The most hinged being rotatably assorted is constituted by the second rotation bar 106 between described outer arcuate set 102 and U-shaped yoke 6，Described torsion spring rotating shaft 104 also radially wears is fixed in U-shaped yoke 6，Described torsion spring 103 is set in torsion spring rotating shaft 104，And two elongated ends 1031 and 1032 of described torsion spring 103 are respectively acting on arc set 101 and outer arcuate set 102，And make to produce contrary hinged rotatory force between arc set 101 and outer arcuate set 102，The outer circumference surface of described reaction spring gland 8 is provided with two extension rods being radially symmetrically extended 81，The outer housing through hole 91 passed for described extension rod 81 it is correspondingly provided with on described reaction spring outer housing 9，It is correspondingly provided with on the inner ring surface of described arc set 101 and constitutes, with described extension rod 81, the L-shaped chute 1011 that sliding coordinates，The inner ring surface of described outer arcuate set 102 is provided with one and radially extends projection 1021，It is correspondingly provided with on described arc set 101 described in supplying and radially extends the clamping through hole 1012 that projection 1021 clamping embeds，A push rod 1022 has also been radially extended on the outer ring surface of described outer arcuate set 102，In described U-shaped yoke 6, correspondence offers the yoke through hole 61 passed for described push rod 1022，Described push rod 1022 passes to connect on the end, outer end outside yoke through hole 61 to be had the driving means 11 of its axial jack-up，The described preferred magnetictrip of driving means 11，Include electromagnetic trip lever 111、Electromagnetic trip coil 112、Electromagnetic trip bobbin 113、Electromagnetic trip shell 114，Electromagnetic trip coil 112 is around being loaded on electromagnetic trip bobbin 113，Described electromagnetic trip bobbin 113 is installed in electromagnetic trip shell 114，The lower axial end of described electromagnetic trip lever 111 is arranged in electromagnetic trip bobbin 113，The upper axial end of described electromagnetic trip lever 111 is hinged fixing with the end, outer end of push rod 1022.Described U-shaped yoke 6 setting-in is fixed on a base 12, and described electromagnetic trip shell 114 is fixed with described base 12 by fixed mount 13.
By using said structure, owing to the present invention is additionally arranged dropout safety 10, these dropout safety 10 first store energy at dynamic iron core 4 during the normal adhesive of static iron core 3, thus after dynamic iron core 4 and static iron core 3 adhesive, once carry out disjunction by original coil 1, the energy release that these dropout safety 10 just can will store, thus force disjunction to move iron core 4 and static iron core 3, reach the purpose eliminated safe hidden trouble.

Claims (2)

  1. null1. the permanent magnetism type contactor operation device of band dropout safety，Including coil、Bobbin、Static iron core、Dynamic iron core、Permanent magnet、Yoke、Reaction spring、Reaction spring gland、Reaction spring outer housing，Described yoke is U-shaped structure，Described coil is around being loaded on bobbin and correspondence is positioned on the inner bottom surface of U-shaped yoke，Described static iron core is arranged in bobbin，And the lower axial end of static iron core connects fixing with the inner bottom surface of U-shaped yoke，Described permanent magnet is installed on the upper axial end face of static iron core，The outer coaxial sleeve of described permanent magnet is equipped with reaction spring gland，Described reaction spring correspondence is set on static iron core，And the axial two ends of reaction spring inner bottom surface with reaction spring gland and U-shaped yoke respectively abuts against，Described reaction spring outer housing coaxial package is outside reaction spring and reaction spring gland and to constitute the radial direction to reaction spring gland spacing，Described dynamic iron core correspondence is positioned at the axial top of permanent magnet，And the lower axial end face of described dynamic iron core presses on reaction spring gland，It is characterized in that: between described dynamic iron core and permanent magnet, be additionally provided with dropout safety，Described dropout safety include arc set、Outer arcuate set、Torsion spring、Torsion spring rotating shaft、First rotates bar、Second rotates bar，Described arc set coaxial package is outside reaction spring gland，Described outer arcuate set coaxial package is outside arc overlaps，And constitute the most hinged being rotatably assorted by the first rotation bar between described arc set and U-shaped yoke，The most hinged being rotatably assorted is constituted by the second rotation bar between described outer arcuate set and U-shaped yoke，Described torsion spring rotating shaft also radially wears is fixed in U-shaped yoke，Described torsion spring set is loaded in torsion spring rotating shaft，And two elongated ends of described torsion spring are respectively acting on arc set and outer arcuate puts，And make to produce contrary hinged rotatory force between arc set and outer arcuate set，The outer circumference surface of described reaction spring gland is provided with two extension rods being radially symmetrically extended，The outer housing through hole passed for described extension rod it is correspondingly provided with on described reaction spring outer housing，It is correspondingly provided with on the inner ring surface of described arc set and constitutes, with described extension rod, the L-shaped chute that sliding coordinates，The inner ring surface of described outer arcuate set is provided with one and radially extends projection，Described arc puts to be correspondingly provided with described in confession and radially extends the clamping through hole that projection clamping embeds，A push rod has also been radially extended on the outer ring surface of described outer arcuate set，In described U-shaped yoke, correspondence offers the yoke through hole passed for described push rod，Described push rod passes to connect on the end, outer end outside yoke through hole to be had the driving means of its axial jack-up.
  2. The permanent magnetism type contactor operation device of band dropout safety the most according to claim 1, it is characterized in that: described driving means includes electromagnetic trip lever, electromagnetic trip coil, electromagnetic trip bobbin, electromagnetic trip shell, electromagnetic trip coil is around being loaded on electromagnetic trip bobbin, described electromagnetic trip bobbin is installed in electromagnetic trip shell, the lower axial end of described electromagnetic trip lever is arranged in electromagnetic trip bobbin, and the upper axial end of described electromagnetic trip lever is hinged fixing with the end, outer end of push rod.
CN201410832167.4A 2014-12-29 2014-12-29 The permanent magnetism type contactor operation device of band dropout safety Active CN104576224B (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1033337A (en) * 1987-11-25 1989-06-07 斯奎尔·D·强电股分有限公司 Contactor
DE69808446T2 (en) * 1997-04-11 2003-03-20 Siemens Energy & Automat TRIP MECHANISM FOR OVERLOAD RELAY
CN200959323Y (en) * 2006-10-26 2007-10-10 上海广电电气（集团）有限公司 Releasing mechanism of contactor switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1033337A (en) * 1987-11-25 1989-06-07 斯奎尔·D·强电股分有限公司 Contactor
DE69808446T2 (en) * 1997-04-11 2003-03-20 Siemens Energy & Automat TRIP MECHANISM FOR OVERLOAD RELAY
CN200959323Y (en) * 2006-10-26 2007-10-10 上海广电电气（集团）有限公司 Releasing mechanism of contactor switch

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Application publication date: 20150429

Assignee: Wenzhou Juchuang Electrical Technology Co., Ltd.

Assignor: Wenzhou University

Contract record no.: 2018330000025

Denomination of invention: Permanent magnetic contactor operating mechanism provided with tripping security device

Granted publication date: 20160824

License type: Exclusive License

Record date: 20180322