CN103426694B - Molded case circuit breaker - Google Patents
Molded case circuit breaker Download PDFInfo
- Publication number
- CN103426694B CN103426694B CN201310180895.7A CN201310180895A CN103426694B CN 103426694 B CN103426694 B CN 103426694B CN 201310180895 A CN201310180895 A CN 201310180895A CN 103426694 B CN103426694 B CN 103426694B
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- CN
- China
- Prior art keywords
- insulator
- tape
- sidewall
- side wall
- line strap
- 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.)
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- 239000012212 insulator Substances 0.000 claims abstract description 95
- 239000011810 insulating material Substances 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 230000000295 complement Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 6
- 230000037250 Clearance Effects 0.000 claims 3
- 230000035512 clearance Effects 0.000 claims 3
- 238000003780 insertion Methods 0.000 claims 2
- 230000004907 flux Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
Abstract
The present invention relates to a kind of molded case circuit breaker.Chopper includes housing and the tape being at least partially disposed in housing.Tape has end face and relative bottom surface, the first side and the second relative side.Line strap insulator is positioned in housing and has the first side wall and the second sidewall.Each in the first side wall and described second sidewall extends to the point of described tape subjacent from the point of described tape top face.Line strap insulator is formed of an electrically insulating material.
Description
Technical field
The field of the disclosure relates generally to circuit protection device, and more specifically it relates to is used for the insulation of molded case circuit breaker.
Background technology
Chopper is designed to protect the circuit from the electric switch being automatically brought into operation of the damage caused by overload or short-circuit.The coupling mechanism of chopper can activated to open and Guan Bi loads the contact being connected to it.Chopper has the overcurrent tripping unit providing overcurrent protection.
Electric power enters chopper by tape.Insulator is for preventing the electrical path of any conductive component around from tape to chopper.Typically, when the contact arm of chopper is when disconnecting or separate with tape during " tripping operation " position, and tape is located nearest at the point of contact arm.Due to tape at open position close to contact arm, therefore electricity only needs between contact arm and tape traveling short distance to reconnect current path and to make it extend to armature, and therefore insulation barrier member is used for preventing this electrical path from reconnecting at open position.Generally, pressure or failure test is used for limiting path.Typically, when the voltage of tape increases, need the bigger separation of tape and contact arm to prevent from forming electrical path.Routinely, geometry and size limitation due to chopper, such as dielectric resistance gel is (such as, silicone rubber gel) or the barrier of resistor for improving the proof voltage of insulator, but too much tape generally exposes into and utilizes the resistance gel of such as auto-vulcanization (RTV) silicone rubber gel effectively to insulate.The process of this applying resistance gel is typically manually applied by operator, and thus, the applying of resistance gel relies on operator and can not effectively repeat.
Summary of the invention
In one aspect, a kind of chopper includes housing and the tape being at least partially disposed in housing.Tape has end face and relative bottom surface, the first side and the second relative side.Line strap insulator is positioned in housing and has the first side wall and the second sidewall.Each in the first side wall and described second sidewall extends to the point of described tape subjacent from the point of described tape top face.Line strap insulator is formed of an electrically insulating material.
In yet another aspect, a kind of assembly for chopper includes line strap insulator, and it includes the first side wall and the second relative sidewall.Each in the first side wall and the second sidewall is sized to extend to the point of the subjacent of the tape inserted from the point of the top face of the tape being inserted between described the first side wall and described second sidewall.The first side wall and the second sidewall have relative protuberance.Assembly includes tape and branching block, and this tape includes hole, and this branching block includes the hole that the hole with described tape is complementary.The protuberance of line strap insulator is configured to the hole making the hole of tape and branching block and aligns when tape and branching block are positioned in line strap insulator.
In yet another aspect, a kind of method assembling chopper includes providing Shell of circuit breaker and making line strap insulator be positioned in housing, and this line strap insulator has the first side wall and the second sidewall including relative protuberance.Tape be positioned at least partially in line strap insulator and with the first side wall and the second sidewall contact.Branching block is positioned at least partially in line strap insulator so that protuberance makes branching block and tape align in precalculated position.
A kind of chopper, comprising: housing；The tape being at least partially disposed in housing, tape has end face and relative bottom surface, the first side and the second relative side；The line strap insulator being positioned in housing, it has each in the first side wall and the second sidewall, the first side wall and the second sidewall and extends to the point of tape subjacent from the point of tape top face, and wherein, line strap insulator is formed of an electrically insulating material.
Preferably, housing includes that at least one in holding member, the first side wall and the second sidewall cooperates with holding member, line strap insulator to be kept in the housing.
Preferably, chopper also includes branching block, and the first side wall and the second sidewall contact with branching block.
Preferably, the first side wall and the second sidewall include relative protuberance, and each in protuberance is towards branching block.
Preferably, each protuberance is towards branching block, and is configured to be held in a predetermined position branching block.
Preferably, branching block is by the holding that is clasped of the relative protuberance in the face of contact branching block.
Preferably, housing includes at least two groove, and the first side wall is laid in a groove one, and the second sidewall lay in a groove another in, wherein, line strap insulator is fully located in housing.
Preferably, line strap insulator is by can the insulating plastics material of electric insulation at least 2500 volt make.
Preferably, line strap insulator is by can the insulating plastics material of electric insulation at least 3000 volt make.
Preferably, line strap insulator has generally U-shaped cross section.
A kind of assembly for chopper, comprising: line strap insulator, it includes the first side wall and the second relative sidewall, each in the first side wall and the second sidewall is sized to the point that the point of the top face from the tape being inserted between the first side wall and the second sidewall extends to the subjacent of the tape inserted, the first side wall and the second sidewall have relative protuberance, tape, it includes hole；Branching block, it includes the hole that hole with tape is complementary, and wherein, the protuberance of line strap insulator is configured to the hole making the hole of tape and branching block and aligns when tape and branching block are positioned in line strap insulator.
Preferably, the first side wall and the second sidewall are configured in the respective slot being placed in the base portion of Shell of circuit breaker.
Preferably, the first side wall and the second sidewall include electrically insulating material.
Preferably, protuberance is configured to the snap fit engagement with branching block, and protuberance is substantially prevented from the translation of branching block and moves when being clasped with branching block.
Preferably, line strap insulator is by can the insulating plastics material of electric insulation at least 2500 volt make.
Preferably, line strap insulator is by can the insulating plastics material of electric insulation at least 3000 volt make.
A kind of method assembling chopper, comprising: provide Shell of circuit breaker；Making line strap insulator be positioned in housing, line strap insulator has the first side wall and the second sidewall including relative protuberance；Make tape be positioned at least partially in line strap insulator and with the first side wall and the second sidewall contact, make branching block be positioned at least partially in line strap insulator so that protuberance makes branching block and tape align in precalculated position.
Preferably, make line strap insulator location include being placed in the groove being formed in housing the first side wall, and the second sidewall is placed in another groove being formed in housing.
Preferably, precalculated position makes the hole of tape align with the hole in the hole of branching block and Shell of circuit breaker, and method also includes securing member is inserted through the hole of housing, the hole of tape and the hole of branching block.
Preferably, securing member is screw.
Accompanying drawing explanation
Fig. 1 is the perspective view of example circuit breakers.
Fig. 2 is the perspective view of the exemplary line strap insulator of the chopper shown in Fig. 1.
Fig. 3 is the sectional view of the line strap insulator shown in Fig. 2.
Fig. 4 is the top view of the line strap insulator shown in Fig. 2.
The front view of the line strap insulator shown in Fig. 2 that Fig. 5 is mounted in chopper.
Fig. 6 is the block diagram of the illustrative methods of the chopper shown in installation diagram 1.
List of parts
100 choppers
102 housings
104 switches
106 base portions
108 lids
200 line strap insulator
202 tapes
204 branching blocks
On the downside of in the of 206
On the upside of in the of 208
210 install surface
212 contact components
214 first walls
216 second walls
218 end faces
222 the first side walls
224 second sidewalls
226 fronts
228 vertical portions
Section after 230
The lower edge of 300 line strap insulator
The lower edge of 302 tapes
304 holes
306 complimentary aperture
308 securing members
400 protuberances
The bottom of 500 base portions
502 grooves
The lower edge of 504 first walls
The lower edge of 506 second walls
508 holes
600 provide Shell of circuit breaker
602 make tape position
604 make branching block position
606 insert securing member.
Detailed description of the invention
Fig. 1 shows the perspective view of the embodiment of chopper 100.Chopper 100 has the housing 102 of the internal volume of encapsulating chopper 100.Housing includes base portion 106 and cap 108.Switch 104 extends through outboard cover 108 and can be close from outside housing 102.Switch 104 is for being switched on position by chopper 100 from open position, or vice versa.Switch 104 is additionally operable to after chopper 100 trips reset chopper 100.Fig. 1 shows three-pole breaker 100, but in other embodiments, chopper 100 includes one or more pole.
Fig. 2 shows the embodiment of line strap insulator 200.Line strap insulator 200 sizing in being configured to fit within the housing 102 (Fig. 1) of chopper 100.In one embodiment, line strap insulator 200 is made up of the moulding of plastics materials of electric insulation.Line strap insulator 200 is made up of casting or the molding process of such as injection molding.But, line strap insulator 200 can be made up of any material making chopper 100 to run as described in this article and technique.In one embodiment, line strap insulator 200 electric insulation is up to 2500 volts, and is enough to be used in the chopper rated value of 480 volts, and in another embodiment, line strap insulator 200 electric insulation is up to 3000 volts, and is enough to be used in the chopper rated value of 600 volts.As used in this article, " chopper rated value " refers to by Underwriter's
Laboratory (UL) certification is that the minimum voltage level before voltage creep is occurring.Line strap insulator 200 is configured to other electric member (not shown) insulation making tape 202 with chopper 100.Tape 202 is made up of the conductive material of such as copper, silver, nickel, gold, aluminum, other metal or metal alloy and combinations thereof.Tape 202 is sub, sometimes referred to as " hot " terminal of chopper 100 with the electrical input terminal acting on chopper 100.In another embodiment, in branching block 204 is positioned at line strap insulator 200.In this embodiment, line strap insulator 200 surrounds the upside 208 to branching block 204 from the downside 206 of branching block 204.In one embodiment, tape 202 includes that the contact component being positioned at the upside 208 of branching block 204 installs surface 210.Contact component 212 such as installs surface 210 by weld connection in contact component.Branching block is also commonly referred to as flux block, magnetic flux gauge block or flux branching block.In an embodiment, branching block 204 is made up of the material assembling magnetic flux during short-circuit condition.The repulsive force assembled between increase tape 202 and the contact arm (not shown) of chopper 100 of magnetic flux, thus increases the speed that tape 202 separates during short-circuit condition with contact arm.
Line strap insulator 200 has the first wall 214 and the second relative wall 216.Tape 202 has end face 218, bottom surface 220, the first side wall 222 and the second relative sidewall 224.Tape 202 is inserted in line strap insulator 200 so that at least the first side wall 222 and the second sidewall 224 is substantially covered by the first wall 214 and the second wall 216.In the exemplary embodiment, line strap insulator 200 has the vertical portion 228 formed by two substantially 90 degree bending sections, and this tape 202 has the longitudinal cross-section of substantially u shape.In one embodiment, the first wall 214 and second wall 216 point above the end face 218 of tape 202 extend to the point of the subjacent of described tape, so that tape 202 insulate.As used in this article, " top " and " lower section " refers to such as be positioned at vertical direction when erectting orientation in line strap insulator 200, as shown in Figure 2.In another embodiment, the rear section 230 of line strap insulator 200 extends backward more than the vertical portion 228 of tape 202, so that tape 202 insulate.In one embodiment, tape 202 is insulated by line strap insulator 200 in the case of not using dielectric slurry.In another embodiment, the first side wall 222 directly contacts with the first wall 214, and the second sidewall 224 directly contacts with the second wall 216.
Fig. 3 shows the side view being in the line strap insulator 200 erectting orientation.In the illustrated embodiment, line strap insulator 200 is sized such that the lower edge 300 of line strap insulator 200 extends below the lower edge 302 of tape 202.In the exemplary embodiment, branching block 204 includes hole 304, and it can have screw thread.Tape 202 includes the complimentary aperture 306 being configured to align with hole 304 when branching block 204 and tape 202 are positioned in line strap insulator 200.Securing member 308 is inserted in hole 304 and 306, so that tape 202 is connected in branching block 204.Securing member 308 can be other securing member that tape 202 maybe can be connected in branching block 204 by screw, bolt, pin.
Fig. 4 shows the top view of the embodiment of line strap insulator 200.In one embodiment, the first wall 214 and the second wall 216 have and extend internally from it and towards one or more protuberance 400 of branching block 204.As used in this article, the direction of central axis C towards line strap insulator 200 " inwardly " is referred to.Protuberance 400 is configured to make branching block 204 and line strap insulator 200 align so that hole 304 and hole 306 (figure 3 illustrates) are aligned with each other.Therefore, protuberance 400 allows user to use securing member 308 tape 202 to be connected in branching block 204 and the most unjustified.In another embodiment, the front 226 (Fig. 2) that protuberance 400 is configured to branching block 204 is clasped.As used in this article, term " is clasped " frictional engagement referred between two or more components, and wherein, at least one component bends when component is just by access node, and once component is engaged, then be snapped into appropriate location.In another embodiment, branching block 204 is configured with the recess corresponding with protuberance 400.Protuberance 400 is configured to be substantially prevented from the translation of branching block 204 C along the longitudinal centerline and moves.
Fig. 5 shows the sectional view of the chopper 100 with line strap insulator 200 installed therein.In one embodiment, in line strap insulator 200 is fully accommodated in the housing 102 of chopper 100.At least bottom 500 of the base portion 106 of housing 102 directly contacts with line strap insulator 200.In another embodiment, the rear section 230 (figure 2 illustrates) of line strap insulator 200 extends back and directly contacts with bottom 500.In another embodiment, housing 102 includes holding member, and at least one in its first wall 214 with line strap insulator 200 and the second wall 216 cooperates for line strap insulator 200 being maintained in housing 102.In one embodiment, holding member includes the groove 502 being formed in base portion 500.Groove 502 is almost parallel and is longitudinally extended in the bottom 500 of housing 102.Groove 502 sizing is also configured to lower edge 504 and 506 with the first wall 214 and the second wall 216 respectively and lays joint.In one embodiment, when lower edge 504 and 506 lays (that is, overlapping joint) about the groove 502 of the first wall 214 and the second wall 216, line strap insulator 200 is maintained in base portion 500 by frictional fit.Insulation between lower edge 504 and 506 and overlap joint other electric member adding line strap insulator 200 and chopper 100 of groove 502.In another embodiment, further groove is formed in bottom 500 for engaging with rear section 230, for the superinsulation of tape 202.In yet another embodiment, the holding member of housing 102 includes one or more spine, and at least one in the first wall 214 and the second wall 216 includes cooperating with at least one in spine with groove line strap insulator 200 being maintained in housing 102.
In one embodiment, bottom 500 includes hole 508, and it is configured to when line strap insulator 200, tape 202 and branching block 204 are placed in housing 102 align with hole 304 and hole 306.In this embodiment, when lower edge 504 and 506 is laid (i.e. about the groove 502 of the first wall 214 and the second wall 216, overlap joint) time, line strap insulator 200 is maintained in base portion 500 along the orientation making hole 508, hole 304 and hole 306 alignment by frictional fit.This alignment allows user to use securing member 308 (figure 3 illustrates) that housing 102 is fixed on tape 202 and branching block 204.
Fig. 6 is the block diagram of the illustrative methods of assembling chopper 100.In one embodiment, it is provided that 600 Shell of circuit breaker 102.Tape 202 positions 602 in line strap insulator 200.In one embodiment, branching block 204 is then positioned in line strap insulator 200, and subsequently, the line strap insulator with the tape 202 and branching block 204 being positioned in is positioned in the bottom 500 of housing 102.In one embodiment, tape 202 is positioned at least partially in line strap insulator 200, and contact with the first side wall 222 and described second sidewall 224 so that each in the first side wall and the second sidewall extends to the point of the subjacent of tape from the point of the top face of tape.In one embodiment, the method includes that securing member 308 inserts 606 passes hole 508, hole 306 and hole 304, so that base portion 500 to be connected in tape 202 and branching block 204.In another embodiment, the first side wall and the second sidewall include relative protuberance, and the method also includes making branching block 204 (figure 2 illustrates) location 604 in line strap insulator 200 (figure 2 illustrates), make each in protuberance 400 towards branching block, and branching block 204 is held in a predetermined position by protuberance 400 (figure 4 illustrates), such as so that at least two in hole 304 (figure 3 illustrates), hole 306 and hole 508 is alignd.In yet another embodiment, branching block 204 location is made to include making branching block 204 be clasped with protuberance 400.In yet another embodiment, during tape 202 (figure 2 illustrates) first can be arranged to the line strap insulator 200 in housing 102 (figure 1 illustrates) outside by user.Then, branching block 204 belt surface 218 (figure 2 illustrates) along the line is slided, until it is snapped into appropriate location in line strap insulator 200.As assembly, the most as described above assembly is placed into and groove 502 is arranged to appropriate location in housing 102.Once assembly is pressed in base portion 102 and is alignd, then securing member 308 is inserted through hole 508, hole 306 and hole 304 from the outside of housing 102, to secure the component to housing 102.In other embodiments, tape 200, branching block 204 and the line strap insulator 200 location in housing 102 are performed by any order allowing chopper to run as described in this article.
This written description use example is with the open present invention (including optimal mode), and also enables those skilled in the art to put into practice the present invention (including manufacturing and using any device or system and perform any method being incorporated to).The patentable scope of the present invention is defined by the claims, and can include other example that those skilled in the art expect.If these other examples have not different from the literal language of claim structural details, or if these other examples include the equivalent structural elements without marked difference of the literal language with claim, then these other examples are intended within the scope of the claims.
Claims (20)
1. a chopper, comprising:
Housing；
Being at least partially disposed on the tape in described housing, described tape has upper end face and a relative bottom surface, described upper end face with
Clearance space, the first side and the second relative side is there is between bottom surface；
Being positioned at the line strap insulator in described housing, it has the first side wall and the second sidewall, described the first side wall and described second side
There is the point of each top face from described tape in clearance space, described the first side wall and described second sidewall and extend in wall
Point below described tape bottom surface, wherein, described line strap insulator is formed of an electrically insulating material.
Chopper the most according to claim 1, it is characterised in that described housing includes holding member, described the first side wall and
At least one in described second sidewall cooperates with described holding member, described line strap insulator to be maintained in described housing.
Chopper the most according to claim 1, it is characterised in that also include branching block, and described the first side wall and described
Second sidewall contacts with described branching block.
Chopper the most according to claim 3, it is characterised in that described the first side wall includes relative with described second sidewall
Protuberance, each in described protuberance is towards described branching block.
Chopper the most according to claim 4, it is characterised in that each described protuberance is towards described branching block, and structure
Cause and described branching block is held in a predetermined position.
Chopper the most according to claim 5, it is characterised in that described branching block is by contacting the institute in the face of described branching block
State the holding that is clasped of relative protuberance.
Chopper the most according to claim 1, it is characterised in that described housing includes at least two groove, described first side
Wall is placed in in described groove, and described second sidewall is placed in another in described groove, wherein, described
Line strap insulator is fully located in described housing.
Chopper the most according to claim 1, it is characterised in that described line strap insulator is by can electric insulation at least 2500 volt
Insulating plastics material make.
Chopper the most according to claim 1, it is characterised in that described line strap insulator is by can electric insulation at least 3000 volt
Insulating plastics material make.
Chopper the most according to claim 1, it is characterised in that described line strap insulator has generally U-shaped cross section.
11. 1 kinds of assemblies for chopper, comprising:
Line strap insulator, it includes that the first side wall and the second relative sidewall, described the first side wall and described second sidewall exist interval sky
Between, each in described the first side wall and described second sidewall is sized to from being inserted in described the first side wall and described second side
The point of the top face of the tape between wall extends to the point of the subjacent of the tape of described insertion, described the first side wall and described
Second sidewall has relative protuberance,
Tape, it includes that hole, described tape have upper end face and relative bottom surface, there is interval between described upper end face and bottom surface
Space；
Branching block, it includes the hole that hole with described tape is complementary,
Wherein, the described protuberance of described line strap insulator be configured to the hole making the hole of described tape and described branching block at described tape and
Alignment when described branching block is positioned in described line strap insulator.
12. assemblies according to claim 11, it is characterised in that described the first side wall and described second sidewall are configured to lay
In respective slot in the base portion of Shell of circuit breaker.
13. assemblies according to claim 11, it is characterised in that described the first side wall and described second sidewall include electric insulation
Material.
14. assemblies according to claim 13, it is characterised in that described protuberance is configured to and the buckle of described branching block
Coordinate and engage, and described protuberance is substantially prevented from the translation of described branching block and moves when being clasped with described branching block.
15. assemblies according to claim 11, it is characterised in that described line strap insulator is by can electric insulation at least 2500 volt
Insulating plastics material make.
16. assemblies according to claim 11, it is characterised in that described line strap insulator is by can electric insulation at least 3000 volt
Insulating plastics material make.
17. 1 kinds of methods assembling chopper, comprising:
Shell of circuit breaker is provided；
Making line strap insulator be positioned in described housing, described line strap insulator has the first side wall and second including relative protuberance
Sidewall, there is clearance space in described the first side wall and described second sidewall；
Make tape be positioned at least partially in described line strap insulator and with described the first side wall and described second sidewall contact, described the
Each in one sidewall and described second sidewall is sized to from the line being inserted between described the first side wall and described second sidewall
The point of the top face of band extends to the point of the subjacent of the tape of described insertion,
Make branching block be positioned at least partially in described line strap insulator, and be positioned at the interval between upper end face and the bottom surface of tape
In so that described protuberance makes described branching block and described tape align in precalculated position.
18. methods according to claim 17, it is characterised in that make line strap insulator location include pacifying described the first side wall
It is placed in the groove being formed in described housing, and it is recessed that described second sidewall is placed in another that be formed in described housing
In groove.
19. methods according to claim 17, it is characterised in that described precalculated position makes the hole of described tape and described shunting
The hole alignment of the hole of block and described Shell of circuit breaker, and described method also include being inserted through securing member described housing hole,
The hole of described tape and the hole of described branching block.
20. methods according to claim 19, it is characterised in that described securing member is screw.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/472886 | 2012-05-16 | ||
| US13/472,886 US9401251B2 (en) | 2012-05-16 | 2012-05-16 | Molded case circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103426694A CN103426694A (en) | 2013-12-04 |
| CN103426694B true CN103426694B (en) | 2016-11-30 |
Family
ID=
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519978A (en) * | 1967-09-15 | 1970-07-07 | Essex International Inc | Connector construction |
| CN86105856A (en) * | 1985-07-19 | 1987-02-18 | 西屋电气公司 | Molded case circuit breaker |
| US4654490A (en) * | 1986-03-03 | 1987-03-31 | Westinghouse Electric Corp. | Reverse loop circuit breaker with high impedance stationary conductor |
| CN103077855A (en) * | 2013-01-01 | 2013-05-01 | 苏州君丰辰电子科技有限公司 | Intelligent plastic shell switch |
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519978A (en) * | 1967-09-15 | 1970-07-07 | Essex International Inc | Connector construction |
| CN86105856A (en) * | 1985-07-19 | 1987-02-18 | 西屋电气公司 | Molded case circuit breaker |
| US4654490A (en) * | 1986-03-03 | 1987-03-31 | Westinghouse Electric Corp. | Reverse loop circuit breaker with high impedance stationary conductor |
| CN103077855A (en) * | 2013-01-01 | 2013-05-01 | 苏州君丰辰电子科技有限公司 | Intelligent plastic shell switch |
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|---|---|---|---|
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