CN1097524A - Multipole circuit breaker with standard package - Google Patents

Multipole circuit breaker with standard package Download PDF

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Publication number
CN1097524A
CN1097524A CN 94103491 CN94103491A CN1097524A CN 1097524 A CN1097524 A CN 1097524A CN 94103491 CN94103491 CN 94103491 CN 94103491 A CN94103491 A CN 94103491A CN 1097524 A CN1097524 A CN 1097524A
Authority
CN
China
Prior art keywords
capping
substrate
circuit breaker
dividing plate
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 94103491
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Chinese (zh)
Other versions
CN1034037C (en
Inventor
让-卢克·巴耶-布林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric SE
Original Assignee
Merlin Gerin SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of CN1097524A publication Critical patent/CN1097524A/en
Application granted granted Critical
Publication of CN1034037C publication Critical patent/CN1034037C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H01H2071/1036—Interconnected mechanisms having provisions for four or more poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/14—Electrothermal mechanisms
    • H01H71/16—Electrothermal mechanisms with bimetal element
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms

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  • Breakers (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Fuses (AREA)

Abstract

A kind of multipole circuit breaker with mold pressing assembly, each assembly that opens circuit is that the monolithic box by a parallelepiped constitutes, be placed in the corresponding isolation ward of substrate, described box is equipped with rest(ing) contact at least, arc control device, with a pair of intercell connector, a mechanical actuation components that is made of changer lever and mechanism is connected to capping securely.The release lever of rotation is to be supported by the stop on the bottom surface that is arranged in capping.A plurality of grooves and otch are arranged in the dividing plate of substrate, and when the first subassembly A connected together with the second subassembly B, these grooves and otch were respectively as first area supported of changer lever and release lever.

Description

Multipole circuit breaker with standard package
The present invention relates to a kind of multipole circuit breaker, comprising with die stamping insulation shell:
-one substrate is separated into several isolation wards side by side by dividing plate, so that place each electrode, each electrode comprises open circuit an assembly and a trip assembley therefor with separable contacts,
-one capping is installed on the substrate with closure,
-one operating mechanism is installed between a pair of supporting bracket, this mechanism have one be connected the toggle link device that spring and trip dog connect,
-one handle is connected on this operating mechanism, and passes the opening in the capping so that use from the outside,
-one switch lever of making by insulating material, as the support of the moving contact of all electrodes, this bar is mechanically connected to and is installed on the toggle link device of doing limited rotation between closing of contact position and the open position,
The trip assembley therefor of-one release lever and electrode and the interlock of the pawl of trip dog.
According to the difference of the electric installation pattern of user, protective circuit breaker may be (the two poles of the earth, three utmost points or four utmost points) one pole or multipole.According to the rated value and the type of protecting needs of circuit breaker, some parts, particularly mechanism, switch lever, contact component, arc control device and trip gear also must suitably mate.In order to realize this purpose, circuit breaker series needs the optional model of many kinds.The assembly problem of making that causes of a great variety because part that will mate or element can not always have same profile and structure, and is difficult for exchanging.
The objective of the invention is to realize a kind of multipole circuit breaker that has standardized structural, can form several models by standard-sized assembly.
This circuit breaker according to the present invention is characterised in that:
-each assembly that opens circuit is to be made of the hexahedron monolithic box that a plastic material is made, each assembly is inserted in the corresponding isolation ward of substrate, a rest(ing) contact, arc control device and a pair of being used for be housed in the described box at least is connected to intercell connector on the trip assembley therefor of the same utmost point to a binding post
-one mechanical actuation components of forming by changer lever and mechanism assembly, this unit firmly is attached in the capping,
The release lever of-rotation is supported by stop, is arranged on the bottom surface of capping,
-and several grooves and otch be arranged in the dividing plate of substrate, its effect is respectively as first area supported of changer lever and release lever when the first subassembly A of the substrate formation that has open circuit assembly and trip assembley therefor group is connected with the second subassembly B that is made of the top capping that mechanical actuation components release lever and pawl are housed.
The whole various die stamping insulation case circuit breakers of performance as requested and power can both be created by the assembly that opens circuit, trip assembley therefor and the mechanical actuation components of different model.Regardless of the assembly which kind of selects for use be used to assemble, in case the number of electrode is determined, the structure of shell is exactly unique.The location of changer lever is to carry out simultaneously when the subassembly that two need assemble in advance is connected with the location of release lever.
In substrate one side, this bar is positioned in two second supportings, and these two second supportings are that the breach cross arrangement that provides in the big side plate by partition groove and box constitutes.In capping one side, first supporting of this bar is to be made of the curved bearing surface that links with the mechanism supports plate securely.
To understand more clearly that from the declarative description of the embodiment of the invention that provides subsequently other advantages and feature, embodiment only are a nonrestrictive example and expression in the accompanying drawings, in the accompanying drawings:
Fig. 1 is the simple cutaway view according to multipole circuit breaker of the present invention, and the contact of expression is in open mode;
Fig. 2 represents the exploded view of the different assemblies of circuit breaker in the pie graph 1;
Fig. 3 represents the mechanical actuation components that is assembled together and constituted by changer lever and operating mechanism;
Fig. 4 represents to have the changer lever front view of moving contact;
Fig. 5 represents the front view of release lever;
The subassembly of two of circuit breaker assembled in advance in Fig. 6 presentation graphs 2;
Fig. 7 is the vertical view of subassembly A among Fig. 6;
Fig. 8 is the bottom view of subassembly B among Fig. 6;
In Fig. 1 and Fig. 2, utmost point with multipole circuit breaker 10 of die stamping insulation shell 12 comprises the one pole assembly 14 that opens circuit, and the whole box 16 that this assembly is made by a molded plastic material forms and have the shape of cuboid.Box 16 comprises that a base plate 18, one have the panel 20 that is used for the osculum 22 by moving contact 24, two blocks of little side plates that parallel big side plate 26,28 is parallel with two 30,32, and each plate interconnects.
Box 10 inside are equipped with two rest(ing) contacts 34,36, these two contacts are connected on splicing ear 40 first bow strips 38 by bonding conductor 35,37 respectively, and be connected in second contact 42, bar 42 is designed to be connected on the 3rd bow strip 44 of trip assembley therefor 46 with a screw 43.
Trip gear comprises a trip assembley therefor 46, is made of a magnetothermal trip gear at the device shown in Fig. 1, is equipped with four bow strip 48 relative with bow strip 44, has constituted the part of another splicing ear 50 of this utmost point.Trip assembley therefor 46 is connected in series with the contact 34,36,24 of assembly 14 of opening circuit in extremely at this.
Circuit breaker is when closure state, and electric current enters through input terminal 40, flows through conductor 35, fixed contact 34, moving contact 24 successively, another fixed contact 36, conductor 37, bow strip 42,44, trip gear 46 and lead-out terminal 50.
Trip gear also includes mounted release lever 52, and this bar is according to the element that starts trip gear 46, and for example limited rotation is done in the position of bimetal strip 54 or blade 56 between carrying position and dropout position.Electric current in the electrode is in case above predetermined threshold value, and swingle 52 just moves to the dropout position.Release lever 52 again with the operating mechanism 60 that has toggle link 62 and handle 64 on pawl 58 interlock.
Mechanism 60 be all each extremely shared, and be placed in the shell 12 between two metal profile 66,68, only having handle 64 to pass the opening 65 of shell 12 can be from outside near so that operating breaker 10.
Mechanism 60 comprises a trip dog 70, this hook is installed on the parallel supporting bracket 66,68 with rotating shaft, the free end of hook 70 is in 58 engagements of carrying position and pawl, a connection spring 72 be fastened to toggle link 62 jointed shaft 74 and and the axle 76 that firmly is integrated of the base 78 of handle 64 between.
The ridge 81 usefulness axle of the bottom pull bar 80 of toggle link 62 and switch lever 82 is connected, and the effect of switch lever 82 is that the moving contact 24 for all each utmost points supports.Switch lever 82 usefulness insulating material are made, and this bar extends along the release lever 52 that laterally is parallel to of electrode.Toggle link 62 top pull bars are hinged on the trip dog 70.
Release lever 52 can loosen hook 70 in the release action at pin 58 places, and its release action is to be produced by the stretching action that connects spring 72, and loosening of this hook causes toggle link 62 pivoted motions, and bar 82 turns to the open position of each contact 34,36,24 of extremely going up.The order of separating locking pawl 58 can be from a magnetothermal trip assembley therefor 46 or an auxiliary tripping device, trip gear MN particularly in parallel, normally closed trip gear MX, differential trip gear etc.
The assembly 14 that opens circuit also has two arc control device, and one of them arc control device 84 is illustrated among Fig. 1.The outlet of arc control device 84 be used to make current interruption gas escape into box 16 outer opening 86 and communicate.
According to Fig. 2, the insulation crust 12 of circuit breaker 10 comprises substrate 88, and the assembly that includes capping 90 and closure panel 92 on substrate 88 is installed from the top.The inside of substrate 88 is subdivided into several isolation wards 96,98,100 side by side by central dividing plate 94,95 and is used to lay different electrodes.In Fig. 7, the isolation ward 96 of two sides and 100 expressions are empty, and middle isolation ward 98 explanations have the box 16 of the assembly 14 that opens circuit that is installed in the left side, and the trip assembley therefor 46 on right side.
In Fig. 2, magnetothermal trip assembley therefor 46 can be replaced by another kind of trip assembley therefor 46a, and the electromagnetic type assembly that for example has broad dropout threshold setting scope is as at French Patent (FRP) FR2, as described in 639,148.
The changer lever of representing in detail among Fig. 4 82 is equipped with 3 forked moving contact assemblies 24, clocklike to traverse arrangement along bar 82 at interval.Two interludes of bar 82 all are cylindrical bearing surface 102,104, and there is centering ring 106,108 at the middle part of this area supported.
In Fig. 7, the big side plate 26,28 of each box 16 comprises a pair of " U " shape notch 110,112, towards front panel 20.The dividing plate 94 of substrate 88 and 95 top edge are just the same, are furnished with a pair of groove 114,116, at lateral alignment box 16 notch 110,112 separately.
The elongation opening 118,120 that dividing plate 94,95 extends longitudinally in addition is so that the little Separation between the layout compartment 96,98,100.
From Fig. 2 as seen, the ridge 81 of bar 82 is connected on the lower pole 80 of mechanism 60 and can accesses mechanical actuation components shown in Figure 3 122.When capping 90 was installed on the substrate 88, two parallel metal supporting brackets 66,68 of mechanism 60 were equipped with the location bead 123,124 that is bearing on the dividing plate 94,95.
In Fig. 5, the release lever of being made by the die stamping insulation material 52 comprises 126,128, two the cylindrical intermediate support faces 130,132 in two cylindrical terminations, is designed to by the actuating pin 134 of auxiliary tripping device operation and the operation socket 136 of pawl 58.
The bottom surface of capping 90 (Fig. 2 and 8) is included in two sinking support sheets 138,140 on the opposite edges, can hold the two ends 126,128 of release lever 52 so that carry out the pre-determined bit of release lever 52 in capping 90 by clamping.Pawl 58 also is connected securely with the bottom surface of capping 90, preferably connect in the stage casing in case with operation socket 136 interlocks of auxiliary tripping bar 52.
Except that the left groove 114,116 of dividing plate 94,95 is used to lay the bar 82, " U " shape otch 138, the 140(Fig. 7 on dividing plate 94,95 right sides arranged again) the cylindrical bearing surface 130,132 that is used to hold release lever 52.
From various standard packages 14,46,46a, 122, performance as requested and power can produce multiple moulded case circuit breaker.Pawl 58 and release lever 52 are two mechanical organs that firmly are connected in the capping 90, and remaining element all is same no matter be used to constitute assembly 14,46, the 46a, the 122nd of circuit breaker 10, which kind of model.
Except that the trip assembley therefor 46 of two kinds of models, 46a, the different assemblies 14 that opens circuit is also arranged, i.e. single-pole circuit breaker or double-pole cut-out, or have the demarcation strip of adorning some, one or two arc control device of the rupturing capacity that is suitable for opening circuit.
Interval between the binding post bar 38,42 all is changeless for all models of assembly 14.
Mechanical actuation components 122 also is that the power with circuit breaker 10 is complementary, because the switch lever 82 of different-diameter is arranged and have the mechanism 60 of the connection spring 72 of particular stiffness.
Behind standard package 14,46 in selected will pack into substrate 88 and capping 90, the 46a, 122, the manufacturing of circuit breaker 10 can be finished by an automatic assembling machine device.
In Fig. 6 to 8, circuit breaker 10 constitutes by connecting the first subassembly A and the second subassembly B, and the first subassembly A comprises the substrate 88 of the trip assembley therefor 46 of placing open circuit assembly and different poles; The second subassembly B is made of shrouding 90 and panel 92, and mechanical actuation components 122, release lever 52 and pawl 58 are housed on shrouding 90 and panel 92.
After engaging two subassembly A and B, shell 12 is along with supporting place and being closed separately to the dividing plate 94,95 of substrate 88 automatically in place of switch lever 82 and release lever 52.In the second subassembly B was assembled to process on the substrate 88, the moving contact 24 of switch lever 82 entered arc control device 84 via the osculum separately 22 of box 16.
Assembly is held in place by the hold-down screw (not shown), and these screws guarantee that two subassembly A and B are adjacent to mutually.
The assembling of the switch lever 82 that rotatablely moves is that the horizontal plane place on the composition surface between two subassembly A and B carries out.Area supported 102,104 is positioned between first supporting of two second supportings and two, and two second supportings are to be made of the groove of dividing plate 94,95 and the locating notch 110,112 of box 16; And two first supportings are to be made of second curved bearing surface 144,146 on the root edge of the supporting bracket 66,88 that is arranged in mechanism 60.

Claims (6)

1, a kind of multipole circuit breaker with die stamping insulation shell, it comprises:
-one substrate (88) is separated into several isolation ward (96), (98), (100) side by side by dividing plate (94), (95), be used to place each electrode, each electrode comprises an assembly that opens circuit (14) with separable contacts (34), (36), (24) and a releasing unit (46), (46a)
-one capping (90) is installed in substrate (88) and goes up with closure (12),
-one operating mechanism (60) is installed between a pair of supporting bracket (66), (68), and this mechanism has a toggle link device (62) that is connected with trip dog (70) with connection spring (72),
-one handle (64) is connected in the mechanism (60), and passes opening (65) in the capping (90) so that from peripheral operation,
-one changer lever of being made by insulating material (82) is as the support of the moving contact (24) of all electrodes, and this bar is mechanically connected to and is installed on the toggle link device (62) of doing limited rotation between closing of contact position and the open position,
-one release lever (52) links with the pawl (58) of trip assembley therefor (46), (46a) and the trip dog (70) of electrode.
It is characterized in that
-each assembly that opens circuit (14) is to be made of the hexahedron monolithic box (16) that a plastic material is made, insert in the corresponding isolation ward (96), (98), (100) of substrate (88), described box is equipped with rest(ing) contact (34), (36), arc control device (84) and a pair of intercell connector (38), (42) at least, this is connected on the trip assembley therefor (46) of a binding post (40) and the same utmost point
-one mechanical actuation components of forming by changer lever (82) and mechanism (60) (122), this unit firmly is connected in the capping (90),
The release lever (52) of rotation is supported by stop (138), (140), is arranged on the bottom surface of capping (90),
-a plurality of grooves (114), (116) and otch (138), (140) are arranged in the dividing plate (94), (95) of substrate (88), when the first subassembly A that constitutes by substrate (88) and the assembly that opens circuit (14) and trip assembley therefor (46), (46a) with by capping (90) and the second subassembly B that goes up the mechanical actuation components (122) of installing, (58) formation when being connected, these grooves and otch are respectively as first area supported of changer lever (82) and release lever (52).
2, multipole circuit breaker according to claim 1, the box (16) that it is characterized in that each assembly that opens circuit (14) comprises a front panel (20) that provides by an opening (22) of moving contact (24), and two parallel having and dividing plate (94), (95) groove (114), (116) at the breach (110) of the lateral alignment of bar (82), (112) big side plate (26), (28), it is characterized in that, bar (82) comprises at least two cylindrical bearing surfaces (102) between first supporting of two second supportings and two, (104), second supporting is by dividing plate (94), (95) groove (114), (116) and the notch (110) of box (16), (112) be discharged to formation; And first supporting is by constituting with supporting bracket (66), second area supported (144) of (68) firm bending that is connected, (146) of mechanism (60).
3,, it is characterized in that dividing plate (94), (95) provide to extend longitudinally so that arrange elongation opening (118), (120) of the separation gap between isolation ward (96) on the substrate (88), (98), (100) according to the multipole circuit breaker of claim 2.Its feature is that also each area supported (102) on the bar (82), (104) provide centering ring (106), (108), and these centering rings are designed to corresponding hole (118), (120) engagement with dividing plate (94), (95).
4, according to the multipole circuit breaker of claim 1, it is characterized in that two supporting brackets (66) of mechanism (60), bead (123), (124) that (68) are equipped with the location, when capping (90) was assembled on the substrate (88), bead was bearing on dividing plate (94), (95).
5, according to the multipole circuit breaker of claim 1, it is characterized in that, stop (138), (140) comprise two flexible sheets of position on the opposite edges of capping (90) so that can admit two cylindrical terminations (126), (128) of insulation release lever (52), and this release lever also comprises the otch (138) that is bearing in dividing plate (94), (95), two intermediate support surfaces (130), (132) in (140).
6, according to the multipole circuit breaker of claim 1, it is characterized in that each box (16) comprises relative two blocks of parallel little side plates (30), (32), these two blocks of side plates extend vertically up to intercell connector (38), (42), and the distance between the described intercell connector all is changeless for the assembly that opens circuit (14) of all kinds.
CN94103491A 1993-04-07 1994-04-06 Multipolecircuit breaker with modular assembly Expired - Lifetime CN1034037C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9304296A FR2703822B1 (en) 1993-04-07 1993-04-07 Multipole circuit breaker with modular assembly.
FR9304296 1993-04-07

Publications (2)

Publication Number Publication Date
CN1097524A true CN1097524A (en) 1995-01-18
CN1034037C CN1034037C (en) 1997-02-12

Family

ID=9445983

Family Applications (1)

Application Number Title Priority Date Filing Date
CN94103491A Expired - Lifetime CN1034037C (en) 1993-04-07 1994-04-06 Multipolecircuit breaker with modular assembly

Country Status (10)

Country Link
EP (1) EP0619590B1 (en)
JP (1) JP3573359B2 (en)
KR (1) KR0144647B1 (en)
CN (1) CN1034037C (en)
CA (1) CA2119287C (en)
DE (1) DE69402907T2 (en)
ES (1) ES2104319T3 (en)
FR (1) FR2703822B1 (en)
RU (1) RU2126566C1 (en)
TW (1) TW242686B (en)

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CN1917118B (en) * 2005-06-29 2011-11-16 伊顿公司 Handle apparatus and electrical switching apparatus employing the same
CN101517679B (en) * 2006-09-01 2012-02-29 穆勒建筑物自动化有限公司 Switchgear
CN102610456A (en) * 2012-03-13 2012-07-25 华为技术有限公司 Thermomagnetic circuit breaker and power distribution equipment
CN113593977A (en) * 2018-06-15 2021-11-02 上海电器科学研究所（集团）有限公司 Optimized circuit breaker layout structure

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JP4928307B2 (en) * 2007-02-28 2012-05-09 テンパール工業株式会社 Circuit breaker
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FR2923941B1 (en) * 2007-11-16 2014-09-05 Schneider Electric Ind Sas ELECTRICAL CUTTING DEVICE SUCH AS A CIRCUIT BREAKER OR SWITCH
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JP5549794B1 (en) * 2012-10-11 2014-07-16 三菱電機株式会社 Circuit breaker
EP2750157B1 (en) * 2012-12-27 2015-06-24 Hager Electro Sas Selective circuit-breaker arranged in a modular case
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1917118B (en) * 2005-06-29 2011-11-16 伊顿公司 Handle apparatus and electrical switching apparatus employing the same
CN101517679B (en) * 2006-09-01 2012-02-29 穆勒建筑物自动化有限公司 Switchgear
CN102610456A (en) * 2012-03-13 2012-07-25 华为技术有限公司 Thermomagnetic circuit breaker and power distribution equipment
CN102610456B (en) * 2012-03-13 2015-11-25 华为技术有限公司 Thermomagnetic circuit breaker and controller switching equipment
CN113593977A (en) * 2018-06-15 2021-11-02 上海电器科学研究所（集团）有限公司 Optimized circuit breaker layout structure
CN113593977B (en) * 2018-06-15 2022-04-08 上海电器科学研究所（集团）有限公司 Optimized circuit breaker layout structure

Also Published As

Publication number Publication date
CN1034037C (en) 1997-02-12
FR2703822B1 (en) 2002-01-25
CA2119287C (en) 2000-10-03
JPH06325680A (en) 1994-11-25
KR0144647B1 (en) 1998-08-17
TW242686B (en) 1995-03-11
EP0619590A1 (en) 1994-10-12
DE69402907D1 (en) 1997-06-05
FR2703822A1 (en) 1994-10-14
EP0619590B1 (en) 1997-05-02
RU94011576A (en) 1996-04-10
CA2119287A1 (en) 1994-10-08
ES2104319T3 (en) 1997-10-01
DE69402907T2 (en) 1997-11-20
RU2126566C1 (en) 1999-02-20
JP3573359B2 (en) 2004-10-06

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