CN102610430B - A kind of permanent-magnetic high-voltage vacuum circuit breaker - Google Patents

A kind of permanent-magnetic high-voltage vacuum circuit breaker Download PDF

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Publication number
CN102610430B
CN102610430B CN201210059005.2A CN201210059005A CN102610430B CN 102610430 B CN102610430 B CN 102610430B CN 201210059005 A CN201210059005 A CN 201210059005A CN 102610430 B CN102610430 B CN 102610430B
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main shaft
permanent magnet
pull bar
lever
circuit breaker
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CN102610430A (en
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王明
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Anhui Yuteng Vacuum Electrical Co., Ltd.
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ANHUI YUTENG VACUUM ELECTRICAL Co Ltd
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Abstract

The invention discloses a kind of permanent-magnetic high-voltage vacuum circuit breaker, comprising vacuum switch tube and the permanent magnet type operating mechanism for driving vacuum switch tube to carry out divide-shut brake action; The pull bar that each vacuum switch tube comprises moving contact, fixed contact and is connected with moving contact; Described permanent magnet type operating mechanism comprises main shaft, for driving magneto driven unit and the auxiliary separating gate assembly of main axis; Described main shaft is fixed with separating brake plate, one end of each pull bar is arranged in a corresponding separating brake plate; Described separating brake plate drives pull bar to move in along with the process of main axis and then realizes divide-shut brake action.The present invention's permanent magnet mechanism instead of Manual spring mechanism, thus circuit breaker can electricity consumption signal controlling be operated, and realizes Long-distance Control; In addition, this structure comparatively compact and reasonable, can effectively reduce entirety and take up room.

Description

A kind of permanent-magnetic high-voltage vacuum circuit breaker
Technical field
The invention belongs to AC vacuum circuit-breaker structure-design technique field, be specifically related to a kind of permanent-magnetic high-voltage vacuum circuit breaker.
Background technology
The same with common AC circuit breaker, vacuum circuit-breaker is also a kind of mechanical switch, namely by the joint weldment of the mechanical movement realizing circuit of contact.Difference is, the contact of vacuum circuit-breaker is sealed in vacuum and (is called vacuum interrupter or vacuum switch tube), the vacuum medium of utility excellence makes insulation isolation and arc extinguishing means, thus has operating voltage compared with advantages such as high, the arcing time is short, contact electrical wear is few, contact surface non-oxidations.Now widely used have ZN7 series, ZK1 is serial, ZN1 is serial, BKD9 is serial; The operating mechanism of vacuum circuit-breaker adopts electromagnetic mechanism, motor-spring mechanism, Manual spring mechanism etc. mostly, drives contact in switching tube to move by the motion of operating mechanism.Wherein BKD9 series vacuum circuit-breaker is because of its compact conformation, cheap and used in a large number.But BKD9 series vacuum circuit-breaker ubiquity following problem: its operating mechanism is Manual spring mechanism, complex structure, and mechanical property is unstable, can only manual operation, cannot realize far distance controlled.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of high-pressure vacuum breaker using permanent magnet mechanism actuating, instead of Manual spring mechanism with permanent magnet mechanism, thus circuit breaker can electricity consumption signal controlling be operated.
The technical scheme realizing the object of the invention is: a kind of permanent-magnetic high-voltage vacuum circuit breaker, comprises vacuum switch tube and the permanent magnet type operating mechanism for driving vacuum switch tube to carry out divide-shut brake action; The pull bar that each vacuum switch tube comprises moving contact, fixed contact and is connected with moving contact; Described permanent magnet type operating mechanism comprises main shaft, for driving magneto driven unit and the auxiliary separating gate assembly of main axis; Described main shaft is fixed with separating brake plate, one end of each pull bar is arranged in a corresponding separating brake plate; Described separating brake plate drives pull bar to move in along with the process of main axis and then realizes divide-shut brake action.
In such scheme, described each pull bar is provided with slide bar district and anticreep district, and described anticreep district is positioned at pull bar one end away from vacuum switch tube; Each separating brake plate is set in the slide bar district of a corresponding pull bar away from one end of main shaft; Described each pull bar is also arranged with combined floodgate buffer spring, and separating brake plate is pressed in anticreep district by this combined floodgate buffer spring.
In such scheme, described magneto driven unit comprises the permanent magnet type drive mechanism and drive link that are provided with driving shaft, and this driving shaft drives main axis by drive link.
In such scheme, establish the Switch main body of three vacuum switch tubes in this circuit breaker comprises, each vacuum switch tube side-by-side horizontal is arranged; Described main shaft is positioned at the top of pull bar; Described permanent magnet type drive mechanism is horizontally set on outside Switch main body, and its driving shaft is positioned at below main shaft, and the upper end of described drive link is fixed on main shaft, and lower end is connected with drive shaft turns.
In such scheme, described auxiliary separating gate assembly comprises and is fixed on auxiliary separating brake link plate on main shaft and energy-stored spring, and one end of described energy-stored spring is hooked on auxiliary separating brake link plate, and the other end is hooked on Switch main body.
In such scheme, described energy-stored spring is arranged between driving shaft and Switch main body; Described auxiliary separating brake link plate and drive link are arranged on the side of main shaft close to permanent magnet type drive mechanism.
In such scheme, also comprise a manual switching-off device; Described manual switching-off device comprises handle, lever, connecting rod and ripping bar; One end of described ripping bar is fixed in permanent magnet type drive mechanism on driving shaft, and middle-end is rotated and is arranged on operating mechanism housing, and the other end is connected with one end of connecting rod; The other end of described connecting rod is connected with lever; The middle-end of described lever is rotated by bearing pin and is arranged on operating mechanism housing, and the other end is connected with handle; Or carry out divide-shut brake action by prizing described driving shaft mode
In such scheme, also comprise a manual switching-off device; Described manual switching-off device comprises handle, lever, connecting rod and ripping bar; One end of described ripping bar is provided with U-shaped breach or elliptical aperture, and middle-end is rotated and is arranged on operating mechanism housing, and the other end is connected with connecting rod; In described permanent magnet type drive mechanism, driving shaft is fixed with manual brake separating skid plate, described driving shaft is through the U-shaped breach on ripping bar or elliptical aperture, and under "on" position, described manual brake separating skid plate adjoins ripping bar and arranges; The other end of described connecting rod and one end of lever are rotationally connected; The middle-end of described lever is rotated by bearing pin and is arranged on operating mechanism housing, and the other end is connected with handle.
In such scheme, described manual switching-off device also comprises a back-moving spring for making lever reset.
In such scheme, described ripping bar, connecting rod and handle are horizontally disposed with, and described lever is vertically arranged.
The present invention has the following advantages: in (1) the present invention, and permanent magnet type operating mechanism comprises main shaft, for driving magneto driven unit and the auxiliary separating gate assembly of main axis; Described main shaft is fixed with separating brake plate, one end of each pull bar is arranged in a corresponding separating brake plate; Described separating brake plate drives pull bar to move in along with the process of main axis and then realizes divide-shut brake action.This structure has the following advantages: instead of Manual spring mechanism with permanent magnet mechanism, thus circuit breaker can electricity consumption signal controlling be operated, and realizes Long-distance Control; In addition, this structure comparatively compact and reasonable, can effectively reduce entirety and take up room.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the first structure of the present invention;
Fig. 2 is a kind of end view of high-pressure vacuum breaker shown in Fig. 1;
Fig. 3 is a kind of vertical view of high-pressure vacuum breaker shown in Fig. 1;
Fig. 4 is a kind of structural representation of the second structure of the present invention.
Be labeled as shown in accompanying drawing: vacuum switch tube 1, pull bar 11, slide bar district 111, anticreep district 112, combined floodgate buffer spring 113, permanent magnet type operating mechanism 2, main shaft 21, magneto driven unit 22, permanent magnet type drive mechanism 221, drive link 222, driving shaft 223, manual brake separating skid plate 224, auxiliary separating gate assembly 23, auxiliary separating brake link plate 231, energy-stored spring 232, separating brake plate 24, Switch main body 3, manual switching-off device 4, handle 41, lever 42, connecting rod 43, ripping bar 44, back-moving spring 45, operating mechanism housing 5.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 3 shows a kind of embodiment of the present invention, and wherein Fig. 1 is a kind of structural representation of the first structure of the present invention; Fig. 2 is a kind of end view of high-pressure vacuum breaker shown in Fig. 1; Fig. 3 is a kind of vertical view of high-pressure vacuum breaker shown in Fig. 1.
The present embodiment is a kind of permanent-magnetic high-voltage vacuum circuit breaker, sees shown in Fig. 1 to Fig. 3, establishes the Switch main body 3 of three vacuum switch tubes 1, permanent magnet type operating mechanism 2 and manual switching-off device for driving vacuum switch tube 1 to carry out divide-shut brake action in comprising.Each vacuum switch tube 1 side-by-side horizontal is arranged, the pull bar 11 that each vacuum switch tube 1 comprises moving contact, fixed contact and is connected with moving contact; Described permanent magnet type operating mechanism 2 comprises main shaft 21, for the magneto driven unit 22 that drives main shaft 21 to rotate and auxiliary separating gate assembly 23; Described main shaft 21 is fixed with separating brake plate 24, and one end of each pull bar 11 is arranged in a corresponding separating brake plate 24; Described separating brake plate 24 drives pull bar 11 to move and then realizes divide-shut brake action in the process of rotating along with main shaft 21.
Described each pull bar 11 is provided with slide bar district 111 and anticreep district 112, and described anticreep district 112 is positioned at pull bar 11 one end away from vacuum switch tube 1; Each separating brake plate 24 is set in the slide bar district 111 of a corresponding pull bar 11 away from one end of main shaft 21; Described each pull bar 11 is also arranged with combined floodgate buffer spring 113, and separating brake plate 24 is pressed in anticreep district 112 by this combined floodgate buffer spring 113.
Described magneto driven unit 22 comprises the permanent magnet type drive mechanism 221 and drive link 222 that are provided with driving shaft 223, and this driving shaft 223 drives main shaft 21 to rotate by drive link 222.
Described main shaft 21 is positioned at the top of pull bar 11; Described permanent magnet type drive mechanism 221 is horizontally set on outside Switch main body 3, and its driving shaft 223 is positioned at below main shaft 21, and the upper end of described drive link 222 is fixed on main shaft 21, and lower end and driving shaft 223 are rotationally connected.
Described auxiliary separating gate assembly 23 comprises and is fixed on auxiliary separating brake link plate 231 on main shaft 21 and energy-stored spring 232, and one end of described energy-stored spring 232 is hooked on auxiliary separating brake link plate 231, and the other end is hooked on Switch main body 3.
Described energy-stored spring is arranged between driving shaft 223 and Switch main body 3; Described auxiliary separating brake link plate 231 and drive link 222 are arranged on the side of main shaft 21 close to permanent magnet type drive mechanism 221.
Described manual switching-off device 4 comprises handle 41, lever 42, connecting rod 43, ripping bar 44 and the back-moving spring 45 for making lever 42 reset; One end of described ripping bar 44 is fixed in permanent magnet type drive mechanism 221 on driving shaft 223, and middle-end is rotated and is arranged on operating mechanism housing 5, and the other end is connected with one end of connecting rod 43; The other end of described connecting rod 43 is connected with lever 42; The middle-end of described lever 42 is rotated by bearing pin and is arranged on operating mechanism housing 5, and the other end is connected with handle 41; Or carry out divide-shut brake action by prizing described driving shaft 223 mode
In the present embodiment, described ripping bar 44, connecting rod 43 and handle 41 are horizontally disposed with, and described lever 42 is vertically arranged.
The automatic control working method of the present embodiment is as follows: driving shaft can move back and forth in the horizontal direction; When needing to close a floodgate, driving shaft overcomes the reset resistance of energy-stored spring by drive link and drives main axis, and then drive the separating brake plate be fixed on main shaft to rotate, thus directly drive pull bar to carry out feed motion by the combined floodgate buffer spring on pushing drawing rod, due to the existence of combined floodgate buffer spring, can prevent sound hoe from damaging because of distance collision; When needing separating brake, driving shaft drives main axis by drive link and under the reset pulling force effect of energy-stored spring, and then drives the separating brake plate anti-delinking part of stirring on pull bar that pull bar is moved, thus drives the quick disjunction of moving contact.
The manual brake separating mode of the present embodiment is: turning handle, and drive lever rotation, and then drivening rod moves in the horizontal direction, connecting rod pulls ripping bar again, and then drives driving shaft to do separating brake action.
The present embodiment has the following advantages: instead of Manual spring mechanism with permanent magnet mechanism, thus circuit breaker can electricity consumption signal controlling be operated, and realizes Long-distance Control; In addition, this structure comparatively compact and reasonable, can effectively reduce entirety and take up room.
(embodiment 2)
Fig. 4 is a kind of structural representation of the second structure of the present invention, shows the second embodiment of the present invention.
The present embodiment is substantially the same manner as Example 1, and difference is: as shown in Figure 4, and one end of described ripping bar 44 is provided with U-shaped breach, in concrete practice, also can be arranged to elliptical aperture; In described permanent magnet type drive mechanism 221, driving shaft 223 is fixed with manual brake separating skid plate 224, described driving shaft 223 is through the U-shaped breach on ripping bar 44, and under "on" position, described manual brake separating skid plate 224 adjoins ripping bar 44 and arranges.
Its manual brake separating mode is: turning handle, and drive lever rotation, and then drivening rod moves in the horizontal direction, connecting rod pulls ripping bar again, prizes the manual brake separating skid plate on driving shaft, thus drives driving shaft to do separating brake action.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.

Claims (5)

1. a permanent-magnetic high-voltage vacuum circuit breaker, comprises vacuum switch tube (1) and the permanent magnet type operating mechanism (2) for driving vacuum switch tube (1) to carry out divide-shut brake action; The pull bar (11) that each vacuum switch tube (1) comprises moving contact, fixed contact and is connected with moving contact; It is characterized in that: described permanent magnet type operating mechanism (2) comprises main shaft (21), for the magneto driven unit (22) that drives main shaft (21) to rotate and auxiliary separating gate assembly (23); Described main shaft (21) is fixed with separating brake plate (24), one end of each pull bar (11) is arranged on a corresponding separating brake plate (24); Described separating brake plate (24) drives pull bar (11) move and then realize divide-shut brake action in the process of rotating along with main shaft (21); Described each pull bar (11) is provided with slide bar district (111) and anticreep district (112), and described anticreep district (112) is positioned at pull bar (11) one end away from vacuum switch tube (1); Each separating brake plate (24) is set in the slide bar district (111) of a corresponding pull bar (11) away from one end of main shaft (21); Described each pull bar (11) is also arranged with combined floodgate buffer spring (113), and separating brake plate (24) is pressed in anticreep district (112) by this combined floodgate buffer spring (113); Described magneto driven unit (22) comprises the permanent magnet type drive mechanism (221) and drive link (222) that are provided with driving shaft (223), and this driving shaft (223) drives main shaft (21) to rotate by drive link (222); Establish the Switch main body (3) of three vacuum switch tubes (1) in this circuit breaker comprises, each vacuum switch tube (1) side-by-side horizontal is arranged; Described main shaft (21) is positioned at the top of pull bar (11); Described permanent magnet type drive mechanism (221) is horizontally set on Switch main body (3) outside, its driving shaft (223) is positioned at main shaft (21) below, the upper end of described drive link (222) is fixed on main shaft (21), and lower end and driving shaft (223) are rotationally connected; Described auxiliary separating gate assembly (23) comprises and is fixed on auxiliary separating brake link plate (231) on main shaft (21) and energy-stored spring (232), one end of described energy-stored spring (232) is hooked on auxiliary separating brake link plate (231), and the other end is hooked on Switch main body (3); Described energy-stored spring is arranged between driving shaft (223) and Switch main body (3); Described auxiliary separating brake link plate (231) and drive link (222) are arranged on the side of main shaft (21) close to permanent magnet type drive mechanism (221).
2. permanent-magnetic high-voltage vacuum circuit breaker according to claim 1, is characterized in that: also comprise a manual switching-off device (4); Described manual switching-off device (4) comprises handle (41), lever (42), connecting rod (43) and ripping bar (44); One end of described ripping bar (44) is fixed on the middle driving shaft (223) of permanent magnet type drive mechanism (221), middle-end is rotated and is arranged on operating mechanism housing (5), and the other end is connected with the one end of connecting rod (43); The other end of described connecting rod (43) is connected with lever (42); The middle-end of described lever (42) is rotated by bearing pin and is arranged on operating mechanism housing (5), and the other end is connected with handle (41); Or carry out divide-shut brake action by prizing described driving shaft (223) mode.
3. permanent-magnetic high-voltage vacuum circuit breaker according to claim 1, is characterized in that: also comprise a manual switching-off device (4); Described manual switching-off device (4) comprises handle (41), lever (42), connecting rod (43) and ripping bar (44); One end of described ripping bar (44) is provided with U-shaped breach or elliptical aperture, and middle-end is rotated and is arranged on operating mechanism housing (5), and the other end is connected with connecting rod (43); In described permanent magnet type drive mechanism (221), driving shaft (223) is fixed with manual brake separating skid plate (224), described driving shaft (223) is through the U-shaped breach on ripping bar (44) or elliptical aperture, and under "on" position, the adjacent ripping bar (44) of described manual brake separating skid plate (224) is arranged; The other end of described connecting rod (43) and one end of lever (42) are rotationally connected; The middle-end of described lever (42) is rotated by bearing pin and is arranged on operating mechanism housing (5), and the other end is connected with handle (41).
4. the permanent-magnetic high-voltage vacuum circuit breaker according to Claims 2 or 3, is characterized in that: described manual switching-off device (4) also comprises a back-moving spring (45) for making lever (42) reset.
5. permanent-magnetic high-voltage vacuum circuit breaker according to claim 4, is characterized in that: described ripping bar (44), connecting rod (43) and handle (41) are horizontally disposed with, and described lever (42) is vertically arranged.
CN201210059005.2A 2012-03-08 2012-03-08 A kind of permanent-magnetic high-voltage vacuum circuit breaker Active CN102610430B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102903564A (en) * 2012-09-14 2013-01-30 西安真空开关厂 Outdoor high-voltage vacuum circuit breaker
CN104599895A (en) * 2014-12-31 2015-05-06 安徽宇腾真空电气有限责任公司 Novel intelligent vacuum contactor
CN107887200B (en) * 2016-09-30 2020-01-03 施耐德电气工业公司 Mechanical interlock, dual power transfer switch and method for operating the same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2766333Y (en) * 2004-12-06 2006-03-22 高赟 Permanent-magnet mechanism circuit breaker with manual rapid close and break brake function
CN2919503Y (en) * 2006-07-10 2007-07-04 沈阳工业大学 Single-winding permanent magnetism mechanism vacuum circuit breaker
CN200956331Y (en) * 2006-09-29 2007-10-03 李锐帮 High-voltage vacuum circuit breaker spring operating mechanism
CN101807486A (en) * 2010-05-12 2010-08-18 郑文秀 Manual brake separating mechanism for high voltage switch
CN202454489U (en) * 2012-03-08 2012-09-26 乐清市宇腾真空电气有限公司 Permanent-magnet high-voltage vacuum circuit breaker

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2766333Y (en) * 2004-12-06 2006-03-22 高赟 Permanent-magnet mechanism circuit breaker with manual rapid close and break brake function
CN2919503Y (en) * 2006-07-10 2007-07-04 沈阳工业大学 Single-winding permanent magnetism mechanism vacuum circuit breaker
CN200956331Y (en) * 2006-09-29 2007-10-03 李锐帮 High-voltage vacuum circuit breaker spring operating mechanism
CN101807486A (en) * 2010-05-12 2010-08-18 郑文秀 Manual brake separating mechanism for high voltage switch
CN202454489U (en) * 2012-03-08 2012-09-26 乐清市宇腾真空电气有限公司 Permanent-magnet high-voltage vacuum circuit breaker

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