CN101859653B - Monostable permanent magnetic mechanism - Google Patents

Monostable permanent magnetic mechanism Download PDF

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Publication number
CN101859653B
CN101859653B CN2009100219662A CN200910021966A CN101859653B CN 101859653 B CN101859653 B CN 101859653B CN 2009100219662 A CN2009100219662 A CN 2009100219662A CN 200910021966 A CN200910021966 A CN 200910021966A CN 101859653 B CN101859653 B CN 101859653B
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CN
China
Prior art keywords
guide rod
short
conducting sleeve
end cover
circuited conducting
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Expired - Fee Related
Application number
CN2009100219662A
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Chinese (zh)
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CN101859653A (en
Inventor
鲁晓东
杜仲江
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XIAN SIENEN ELECTRIC TECHNOLOGY DEVELOPMENT Co Ltd
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XIAN SIENEN ELECTRIC TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN2009100219662A priority Critical patent/CN101859653B/en
Publication of CN101859653A publication Critical patent/CN101859653A/en
Application granted granted Critical
Publication of CN101859653B publication Critical patent/CN101859653B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a monostable permanent magnetic mechanism, which comprises a guide rod (12), a fixed iron core (1), a movable iron core (11) and a brake separation spring (14), wherein the fixed iron core (1) is sheathed and connected on the guide rod (12), an upper end cover (2) and a lower end cover (3) are arranged at both ends of the fixed iron core (1), the movable iron core (11) are arranged on the guide rod (12), the brake separation spring (14) is arranged at the other end of the guide rod (12), and a gap (25) is arranged between the movable iron core (11) and the lower end cover The monostable permanent magnetic mechanism also comprises a short circuit ring (15), a guide support frame (10) and a traction mechanism, wherein the short circuit ring (15) is arranged on the guide rod (12) and is used for changing the magnetic field distribution, the guide support frame (10) is fixed on the lower end cover (3), and the traction mechanism is arranged on the guide support frame (10) and is used for the braking and the position limitation of the short circuit ring (15). The invention solves the problem that the permanent magnetic mechanism in the prior art can not easily realize the brake separation during electricity failure. The invention realizes the manual brake separation under the condition of very small operation force.

Description

A kind of Monostable permanent magnetic mechanism
Technical field
The present invention relates to a kind of Monostable permanent magnetic mechanism, especially relate to a kind of Monostable permanent magnetic mechanism with manual switching-off device.
Technical background
In the high-voltage switch gear field, the use of permanent magnet mechanism is comparatively general.Permanent magnet mechanism generally is divided into bistable state and two kinds of structures of monostable.But for existing permanent magnet mechanism; Can only realize separating brake, combined floodgate by electrical interlock, so just cause in the time of system cut-off, just being difficult to carry out separating brake, can only separate by force by external force; Both can't guarantee opening characteristic, and the operation strength that need cost a lot of money.
Summary of the invention
In order to solve the shortcoming that permanent magnet mechanism in the prior art is difficult for carrying out separating brake when the outage, the invention provides a kind of Monostable permanent magnetic mechanism of realizing manual brake separating.
Technical solution of the present invention is:
A kind of Monostable permanent magnetic mechanism comprises guide rod 12, is socketed on the guide rod 12 and two ends are provided with the fixed core 1 of upper end cover 2, bottom end cover 3, the tripping spring 14 that is arranged on moving unshakable in one's determination 11 on the guide rod 12 and is arranged on guide rod 12 other ends; Described moving unshakable in one's determination 11 and bottom end cover between be provided with gap 25, the difference of itself and prior art is: it also comprises the short-circuited conducting sleeve 15 that is arranged on the guide rod 12, is used to change Distribution of Magnetic Field, be fixed on the guiding trestle 10 on the bottom end cover 3 and be arranged on being used for short-circuited conducting sleeve 15 brakings, the spacing mechanism that pins down on the guiding trestle 10.
Aforesaid short-circuited conducting sleeve 15 is to be enclosed within on the guide rod 12, and is positioned at moving 11 outsides unshakable in one's determination.This short-circuited conducting sleeve 15 specifically is arranged on the guide rod 12 of the outside near an end of tripping spring 14 of bottom end cover 3, and the passage that supplies short-circuited conducting sleeve 15 to pass through is left at the position that said bottom end cover 3 cooperates with guide rod 12 sockets.These short-circuited conducting sleeve 15 optimum positions are to be socketed between the bottom end cover 3 and guide rod 12 at guide rod 12 positions at bottom end cover 3.
The aforesaid mechanism that pins down comprises position-limit mechanism and brake mechanism; Wherein said position-limit mechanism is arranged on and is used on the guiding trestle 10 short-circuited conducting sleeve 15 is remained on the mechanical lock buckle device outside the gap 25 between moving iron core 11 and the bottom end cover 3.Brake mechanism is can remove machinery short-circuited conducting sleeve mechanical lock buckle device, that make short-circuited conducting sleeve 15 move to 25 places, gap between moving iron core 11 and the bottom end cover 3 to separate spiral-lock; That is to say that brake mechanism is short-circuited conducting sleeve 15 is moved to touch moving 11 surfaces unshakable in one's determination, eliminate gap 25 with the corresponding mechanical trip gear of mechanical lock buckle device.
The execution mode of a kind of optimum of aforesaid position-limit mechanism is such: this position-limit mechanism comprises little axle 17, check plate 18, six square shafts 19, driving spring 16 and keeps pallet 20; Said little axle 17 is two, parallel with guide rod 12 and be symmetricly set on the both sides of guide rod 12; Described check plate 18 is fixedly connected with short-circuited conducting sleeve 15 through little 17; Said six square shafts 19 are supported on the guiding trestle 10; One end of described maintenance pallet 20 is fixed on six square shafts 19, and the other end peaks on the check plate 18; Driving spring specifically is to be provided with like this: the inwall of short-circuited conducting sleeve 15 is provided with annular groove; Said driving spring 16 is embedded in the cannelure and is placed on the guide rod 12; One end of this driving spring 16 is fixed on the guiding trestle 10, and the other end withstands on the convex edge 26 that the annular groove of short-circuited conducting sleeve 15 forms.
The optimum execution mode of said brake mechanism is such; This brake mechanism comprises guide plate 24, driving connecting lever 21, connector 23 and manual push rod 22, and wherein guide plate 24 is arranged on the outside of fixed core 1, and the annexation between them is such; Manually push rod 22 is supported on the guide plate 24; Manually an end of push rod 22 is fixedly connected with an end of connector, and the other end of connector is connected with an end that drives connecting lever 21, and the other end that drives connecting lever 21 is connected with six square shafts 19.
Moving iron core mentioned in aforesaid all technical schemes is for being cylindrical structural, and described guide rod all adopts non-magnetic stainless steel material.
The present invention compared with prior art, the advantage that is had:
The present invention has increased the short-circuited conducting sleeve that is used to change Distribution of Magnetic Field in the prior art; Utilize the principle of short-circuited conducting sleeve short circuit permanent magnet magnetic circuit; Make the permanent magnetism confining force descend, thereby can under the counter-force effect of sluice separating spring and driving spring, realize the manual brake separating operation, its operating physical force is very little; Thereby can be applicable to vacuum contactor-fuse combined electric apparatus, can cooperate with fuse and realize mechanical interlocking.
Description of drawings
Fig. 1 is a Monostable permanent magnetic mechanism structural representation of the present invention;
Fig. 2 is a cutaway view of the present invention;
Wherein: 1-fixed core, 2-upper end cover, 3-bottom end cover, 4-screw rod, 5-guide bearing, 6-permanent magnet, 7-pole shoe; The 8-magnet exciting coil, the 9-coil rack, the 10-guiding trestle, 11-is moving unshakable in one's determination, the 12-guide rod, 13-locatees lid, the 14-tripping spring; The 15-short-circuited conducting sleeve, the 16-driving spring, the little axle of 17-, the 18-check plate, 19-six square shafts, 20-keeps pallet; 21-drives connecting lever, the manual push rod of 22-, 23-connector, 24-guide plate, 25-gap, 26 convex edges.
Specific embodiment
Like Fig. 1, shown in Figure 2; The perspective view of Monostable permanent magnetic mechanism of the present invention and cutaway view; A kind of Monostable permanent magnetic mechanism; Comprise guide rod 12, be socketed on the guide rod 12 and two ends are provided with the fixed core 1 of upper end cover 2, bottom end cover 3, the tripping spring 14 that is arranged on moving unshakable in one's determination 11 on the guide rod 12 and is arranged on guide rod 12 other ends, also comprise the short-circuited conducting sleeve 15 that is arranged on the guide rod 12, is used to change Distribution of Magnetic Field, be fixed on the guiding trestle 10 on the bottom end cover 3 and be arranged on being used on the guiding trestle 10 short-circuited conducting sleeve 15 brakings, the spacing mechanism that pins down; Be provided with gap 25 between wherein moving iron core 11 and the bottom end cover.
Aforesaid short-circuited conducting sleeve 15 is to be enclosed within on the guide rod 12, and is positioned at moving 11 outsides unshakable in one's determination.This short-circuited conducting sleeve 15 specifically is arranged on the guide rod 12 of the outside near an end of tripping spring 14 of bottom end cover 3, and the passage that supplies short-circuited conducting sleeve 15 to pass through is left at the position that said bottom end cover 3 cooperates with guide rod 12 sockets.These short-circuited conducting sleeve 15 optimum positions are to be socketed between the bottom end cover 3 and guide rod 12 at guide rod 12 positions at bottom end cover 3.
The aforesaid mechanism that pins down comprises position-limit mechanism and brake mechanism; Wherein said position-limit mechanism is arranged on and is used on the guiding trestle 10 short-circuited conducting sleeve 15 is remained on the mechanical lock buckle device outside the gap 25 between moving iron core 11 and the bottom end cover 3.Brake mechanism is can remove machinery short-circuited conducting sleeve mechanical lock buckle device, that make short-circuited conducting sleeve 15 move to 25 places, gap between moving iron core 11 and the bottom end cover 3 to separate spiral-lock; That is to say that brake mechanism is short-circuited conducting sleeve 15 is moved to touch moving 11 surfaces unshakable in one's determination, eliminate gap 25 with the corresponding mechanical trip gear of mechanical lock buckle device.
The execution mode of a kind of optimum of aforesaid position-limit mechanism is such: this position-limit mechanism comprises little axle 17, check plate 18, six square shafts 19, driving spring 16 and keeps pallet 20; Said little axle 17 is two, parallel with guide rod 12 and be symmetricly set on the both sides of guide rod 12; Described check plate 18 is fixedly connected with short-circuited conducting sleeve 15 through little 17; Said six square shafts 19 are supported on the guiding trestle 10; One end of described maintenance pallet 20 is fixed on six square shafts 19, and the other end peaks on the check plate 18.Driving spring specifically is to be provided with like this: the inwall of short-circuited conducting sleeve 15 is provided with annular groove; Said driving spring 16 is embedded in the cannelure and is placed on the guide rod 12; One end of this driving spring 16 is fixed on the guiding trestle 10, and the other end withstands on the convex edge 26 that the annular groove of short-circuited conducting sleeve 15 forms.
The optimum execution mode of as above said brake mechanism is such; This brake mechanism comprises guide plate 24, driving connecting lever 21, connector 23 and manual push rod 22, and wherein guide plate 24 is arranged on the outside of fixed core 1, and the annexation between them is such; Manually push rod 22 is supported on the guide plate 24; Manually an end of push rod 22 is fixedly connected with an end of connector, and the other end of connector is connected with an end that drives connecting lever 21, and the other end that drives connecting lever 21 is connected with six square shafts 19.
Moving iron core mentioned in aforesaid all technical schemes is for being cylindrical structural, and described guide rod all adopts non-magnetic stainless steel material.
The operation principle of the present invention and the course of work:
End cap 2 and bottom end cover 3 are installed in the two ends of fixed core 1, and upper end cover 2 has positioning spigot with bottom end cover 3, and via hole is arranged all around, penetrates screw rod 4 and is fixedly connected with fixed core 1, is pressed into guide bearing 5 in the upper end cover centre bore.Permanent magnet 6 is embedded between fixed core 1 and the pole shoe 7, and permanent magnet 6 pole orientation are vertical with the moving direction of motion unshakable in one's determination, and permanent magnet is a radial magnetizing, the direction ecto-entad, and its magnetic field is symmetrically distributed along central axis.Divide-shut brake of suit is shared between fixed core 1 central upper end cover 2 permanent magnets 6, and coil adopts coil rack 9 to support, and coil is an enamelled wire, and the clockwise direction coiling forms, the number of turn 200～1000.Guiding trestle 10 is installed on the bottom end cover 3; Moving unshakable in one's determination 11 are fixed on the guide rod 12; Guide rod 12 1 ends penetrate in the guide bearing 5 of upper end cover 2, and the other end penetrates in the pilot hole of guiding trestle 10, and moving unshakable in one's determination 11 can be along guide rod shaft to moving with guide rod; Guide rod 12 terminal mounting spring location cover 13, are inserted in tripping spring 14 above; Short-circuited conducting sleeve 15 is enclosed within on the guide rod 12 between guiding trestle 10 and moving unshakable in one's determination 11; Short-circuited conducting sleeve 15 inside ringed groove installing drive springs 16, under the effect of driving spring 16, short-circuited conducting sleeve 15 can be vertically to moving unshakable in one's determination 11 near; Thereby can change the Distribution of Magnetic Field situation, reach the purpose that reduces confining force; Short-circuited conducting sleeve 15 is installed with little axle 17 and check plate 18 and is formed one.
Moving unshakable in one's determination 11 be cylindrical structural, moving unshakable in one's determination 11 with guide rod 12 between adopt and be threaded, the non-magnetic stainless steel material of guide rod 12 employings is processed.
Guiding trestle 10 is processed for non-magnet material, and guiding trestle has symmetrical boss in two ends about in the of 10, and is porose on the boss, is inserted in bearing in the hole, penetrates six square shafts 19 in the bearing.Keep pallet 20 and driving connecting lever 21 that hexagonal hole is arranged, be inserted on six square shafts 19 and fix, manually push rod 22 1 ends are formed one through screw thread and connector 23, penetrate fixed core 1 outside guide plate 24, and connector 23 links to each other with driving connecting lever 21, the composition manual switching-off device.
Closing operation: when receiving reclosing command; Magnet exciting coil 8 gets electric excitation, drives moving 11 actions unshakable in one's determination, and moves to upper end cover 2; Short-circuited conducting sleeve 15 is failure to actuate in the effect that keeps pallet 20; After moving iron core 11 is run into upper end cover 2, accomplish feed motion, tripping spring 14 is in the compressed energy-storage state, and this moment, the permanent magnetism confining force kept closing position motionless greater than tripping spring 14 power.
Sub-switching operation: when receiving the separating brake instruction; Magnet exciting coil 8 reverse electric excitation, when permanent magnetism confining force during less than tripping spring 14 power, moving 11 actions unshakable in one's determination; And move to short-circuited conducting sleeve 15 directions; When moving unshakable in one's determination 11 run into short-circuited conducting sleeve 15 after, accomplish the separating brake action, moving unshakable in one's determination 11 under the effect of tripping spring 14 maintenance separating brake invariant position.
Manual brake separating operation: press manual push rod 22; Promote to drive connecting lever 21, six square shafts 19 and rotate, release keeps pallet 20; Short-circuited conducting sleeve 15 under the effect of driving spring 16 to moving unshakable in one's determination 11 1 lateral movements; Thereby change the magnetic circuit state, confining force descends, and moving unshakable in one's determination 11 accomplish the separating brake action together with short-circuited conducting sleeve 15 to the motion of separating brake direction under the effect of tripping spring 14.

Claims (2)

1. Monostable permanent magnetic mechanism comprises guide rod (12), is socketed on that guide rod (12) is gone up and two ends are provided with the fixed core (1) of upper end cover (2), bottom end cover (3), the tripping spring (14) that is arranged on the moving iron core (11) on the guide rod (12) and is arranged on guide rod (12) one ends; Be provided with gap (25) between said moving iron core (11) and the bottom end cover, it is characterized in that: it comprises that also being arranged on guide rod (12) goes up, is used to change the short-circuited conducting sleeve (15) of Distribution of Magnetic Field, is fixed on the guiding trestle (10) on the bottom end cover (3) and is arranged on being used for short-circuited conducting sleeve (15) braking and the spacing mechanism that pins down on the guiding trestle (10);
Said short-circuited conducting sleeve (15) is enclosed within on the guide rod (12); And be positioned at moving (11) unshakable in one's determination outside; Said short-circuited conducting sleeve (15) is arranged on the guide rod (12) of the outside near an end of tripping spring (14) of bottom end cover (3), and said short-circuited conducting sleeve (15) is positioned between the bottom end cover (3) and guide rod (12) that bottom end cover (3) is socketed on guide rod (12) position;
The passage that supplies short-circuited conducting sleeve (15) to pass through is left at the position that said bottom end cover (3) cooperates with guide rod (12) socket;
The said mechanism that pins down comprises position-limit mechanism and brake mechanism;
Said position-limit mechanism is arranged on and is used on the guiding trestle (10) short-circuited conducting sleeve (15) is remained on the mechanical lock buckle device outside the gap (25) between moving unshakable in one's determination (11) and the bottom end cover (3), described brake mechanism be can remove short-circuited conducting sleeve mechanical lock buckle device, make short-circuited conducting sleeve (15) move to the mechanical trip gear that the gap (25) between moving iron core (11) and the bottom end cover (3) is located;
Said position-limit mechanism comprises little axle (17), check plate (18), six square shafts (19), driving spring (16) and maintenance pallet (20),
Said little axle (17) is two, parallel with guide rod (12) and be symmetricly set on the both sides of guide rod (12),
Said check plate (18) is fixedly connected with short-circuited conducting sleeve (15) through little axle (17),
Said six square shafts (19) are supported on the guiding trestle (10),
One end of said maintenance pallet (20) is fixed on six square shafts (19), and the other end peaks on the check plate (18),
The inwall of said short-circuited conducting sleeve (15) is provided with annular groove; Said driving spring (16) is embedded in the cannelure and is placed on the guide rod (12); One end of this driving spring (16) is fixed on the guiding trestle (10), and the other end withstands on the convex edge (26) that the annular groove of short-circuited conducting sleeve (15) forms;
Said brake mechanism comprises guide plate (24), driving connecting lever (21), connector (23) and manual push rod (22),
Said guide plate (24) is arranged on the outside of fixed core (1); Said manual push rod (22) is supported on the guide plate (24); One end of this manual push rod (22) is fixedly connected with an end of connector; The other end of connector is connected with an end that drives connecting lever (21), and the other end that drives connecting lever (21) is connected with six square shafts (19).
2. Monostable permanent magnetic mechanism according to claim 1 is characterized in that: described moving iron core is a cylindrical structural, and described guide rod adopts non-magnetic stainless steel material.
CN2009100219662A 2009-04-10 2009-04-10 Monostable permanent magnetic mechanism Expired - Fee Related CN101859653B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100219662A CN101859653B (en) 2009-04-10 2009-04-10 Monostable permanent magnetic mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100219662A CN101859653B (en) 2009-04-10 2009-04-10 Monostable permanent magnetic mechanism

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CN101859653A CN101859653A (en) 2010-10-13
CN101859653B true CN101859653B (en) 2012-06-27

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Application Number Title Priority Date Filing Date
CN2009100219662A Expired - Fee Related CN101859653B (en) 2009-04-10 2009-04-10 Monostable permanent magnetic mechanism

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102290266A (en) * 2011-08-04 2011-12-21 深圳市金博联电力技术有限公司 Clap-type permanent magnet mechanism
CN103560057B (en) * 2013-10-15 2016-06-08 国家电网公司 A kind of Monostable permanent magnetic mechanism
CN109585195B (en) * 2018-12-24 2024-05-31 昆山瑞普电气有限公司 Integrated self-locking mechanism with brake separating function

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053646A1 (en) * 2000-10-28 2002-05-08 Elek Sche Automatisierungs Und Electrical actuator for very large and high dynamic forces, has concentric magnets and coil inductively linked to short-circuit rings at centre
CN2626035Y (en) * 2003-06-27 2004-07-14 沈阳工业大学 Monostable permanent-magnetic operating mechanism having manual gate-disbranch magnetic short circuit ring equipment
CN2899075Y (en) * 2006-03-28 2007-05-09 淄博中正电器有限公司 High-voltage vacuum permanent magnetic circuit breaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10053646A1 (en) * 2000-10-28 2002-05-08 Elek Sche Automatisierungs Und Electrical actuator for very large and high dynamic forces, has concentric magnets and coil inductively linked to short-circuit rings at centre
CN2626035Y (en) * 2003-06-27 2004-07-14 沈阳工业大学 Monostable permanent-magnetic operating mechanism having manual gate-disbranch magnetic short circuit ring equipment
CN2899075Y (en) * 2006-03-28 2007-05-09 淄博中正电器有限公司 High-voltage vacuum permanent magnetic circuit breaker

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Publication number Publication date
CN101859653A (en) 2010-10-13

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EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20101013

Assignee: XI'AN WEIKERUI ELECTRICAL CO., LTD.

Assignor: Xian SIENEN Electric Technology Development Co., Ltd.

Contract record no.: 2015610000007

Denomination of invention: Manual switching device for circuit breaker of monostable permanent magnetic mechanism

Granted publication date: 20120627

License type: Exclusive License

Record date: 20150317

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120627

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CF01 Termination of patent right due to non-payment of annual fee