CN102881528B - Circuit breaker - Google Patents

Circuit breaker Download PDF

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Publication number
CN102881528B
CN102881528B CN201210362964.1A CN201210362964A CN102881528B CN 102881528 B CN102881528 B CN 102881528B CN 201210362964 A CN201210362964 A CN 201210362964A CN 102881528 B CN102881528 B CN 102881528B
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China
Prior art keywords
wiring
wire
circuit breaker
housing
screw
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CN102881528A (en
Inventor
鲁骞
严鹏斌
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Noark Electrics Shanghai Co Ltd
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Noark Electrics Shanghai Co Ltd
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Publication of CN102881528A publication Critical patent/CN102881528A/en
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Abstract

A circuit breaker comprises a casing, wiring boards arranged in the casing and wiring terminals, wherein each wiring terminal comprises a bolt, a pressure board and a wiring base provided with a line inlet and a wiring space, the bolt penetrates a screw-threaded hole on the end face of the wiring base and is contacted with the pressure board embedded in the wiring base and capable of lifting, and the wiring board transversely penetrates through the wiring base to divide the wiring space into two independent wiring spaces; first wiring holes are formed on the casing at the position above the bolts of the wiring terminals; and under the effect of the bolts, relative displacement of the pressure plate and the wiring base is generated to compress the two independent wiring spaces, so as to achieve the connection of conductive wires. According to the invention, each wiring board is taken as a borderline to divide the wiring space of corresponding wiring base into the two independent wiring spaces, therefore, hybrid connection of common conductive wires is achieved, and besides, a wiring function of hybrid connection of single-stranded conductive wires with different diameters is achieved.

Description

A kind of circuit breaker
Technical field
The present invention relates to the circuit breaker of field of power distribution, in particular, relate to a kind of circuit breaker realizing multiple wire hybrid junction.
Background technology
The connection function of existing circuit breaker, particularly miniature circuit breaker mainly relies on binding post and realizes reliable connection of return wire.Circuit breaker is mainly used in line end protection in early days, and for this loop, circuit breaker only needs to realize a kind of terminating wire function and just can be applied.Along with the expansion of circuit breaker range of application, because the distribution of electric power system or circuit design needs, usually by next stage coordinate system or and each of circuit breaker in column line carries out drop wire mutually.For example, when needing to be divided into multiple parallel branch from master switch leading-out terminal in circuit, usually adopting and the homophase terminals of the circuit breaker in these parallel branches are carried out the mode of connection in parallel.After adopting this mode of connection, the wire kind that circuit breaker is accessible, is increased to two kinds from initial one.The increase of wiring kind, result in the attachable wire of existing circuit breaker and has occurred various permutation and combination.The wire that circuit breaker is conventional is in the market divided into: multi cord, single cord, bus-bar (busbar), use the wire of band ring joint for realizing fast-wiring.Therefore a kind of circuit breaker realizing any two kinds of conventional conductor combination connection functions can adapt to the demand in market faster.
In prior art field, the connection function realizing circuit breaker adopts following technical scheme.
The first technical scheme, is shown in Fig. 1, is provided with terminal block and binding post in Shell of circuit breaker, binding post comprise can with the junction block of terminal block generation relative movement, adopt the screw of threaded engagement with junction block.Wire is accessed between junction block and terminal block, and carries out fastening with screw, realize the connection function of circuit breaker.
The second technical scheme, see Fig. 2, it is the modal mode of connection of current circuit breaker, based on last technical scheme, on the direction of junction block motion, increase by the second terminal block, this terminal block and original terminal block equipotential, adopt the screw of threaded engagement with junction block, through the second terminal block, realize bus-bar (busbar) connection function by screw and the second terminal block.
The existing two kinds of technical schemes of careful contrast, be not difficult to find out, if based on the second technical scheme, can design equally for the first technical scheme bus-bar (busbar) function, the second technical scheme compares the first technical scheme, by two pieces of terminal blocks, bus-bar (busbar) connection function is separated with conventional connections function, separate.This makes the second technical scheme can realize, outside bus-bar (busbar) connection function, can also realizing all connection functions of the first technical scheme, but also inevitably making the complex structure of binding post and terminal block.
In addition, in aforementioned two kinds of technical schemes, terminal block and junction block only define a wiring space, can connect in the combination of wire, can not realize the single cord hybrid junction of different wire diameter.
Meanwhile, two kinds of technical schemes all can not realize in fast-wiring, use the wire of band ring joint, only can use bus-bar (busbar) connection function.
Further, two kinds of technical schemes as previously mentioned, after circuit breaker completes terminating wire, not hard to imagine, after wire is connected to multipole circuit breaker, wire exposed end is in outside Shell of circuit breaker, electric clearance and the creepage distance of adjacent two wires are very little, as wire generation short circuit, inherently bring potential safety hazard, when using bus-bar (busbar) wiring, although there is not the short circuit between consecutive roots, electric clearance and creepage distance less than normal, in Long-Time Service process, because of the reduction of insulating material performance, and later stage use safety hidden danger can be brought equally.
Summary of the invention
That technical problem to be solved by this invention is to provide a kind of structure is simple, can realize multiple wire hybrid junction, can provide the circuit breaker of wiring wire security protection.
The object of the invention is to be achieved through the following technical solutions:
The invention discloses a kind of circuit breaker, comprise housing, be arranged at the terminal block 1 in housing and binding post 2, described binding post 2 comprises screw 6, pressing plate 7, is provided with the junction block 8 of entrance hole and wiring space, described screw 6 through junction block 8 top end face 29 screwed hole with embed liftable pressing plate 7 in junction block 8 and contact; Described terminal block 1 crosses junction block 8 and the wiring space of junction block 8 is separated into two independently wiring spaces 23,24; Terminal block 1, between pressing plate 7 and junction block 8 sidewall, form the first wiring space 23, terminal block 1, between junction block 8 bottom face 14 and junction block 8 sidewall, form the second wiring space 24; Described housing is provided with the first wiring hole 4 in the top position of the screw 6 of binding post 2; Relative displacement is there is and compresses the connection that described two independent patch spaces realize wire in described pressing plate 7 and junction block 8 by the effect of screw 6 and terminal block 1.
Further, described inner walls is provided with the guide plate 12 guiding wire to access described two independent patch spaces 23,24 on the inlet wire direction that wire is connected with binding post 2.Wire can be conveniently guided to enter two independent patch spaces respectively by guide plate.
Further, the inlet wire direction that the inherent wire of described housing is connected with binding post 2 is provided with the connection path 20 holding wire exposed end.Exposed end when being connected with binding post by wire by connection path is placed in housing, and improves creepage distance and electrical equipment gap and effectively isolate multipole circuit breaker and connect potential safety hazard after wire between adjacent wires, realizes electrical safety protection.
Further, described circuit breaker also comprises the line bank annex 22 that can be connected with bus-bar wire; Described line bank annex 22 comprises arranges 18 with arbitrary connection be connected in described two independent patch spaces 23,24, and for the insulating barrier 16 being provided with entrance hole of the row of being fixedly connected with 18; Described insulating barrier 16 is fixed on housing along wire inlet wire direction.Realized and the wire hybrid junction of bus-bar (busbar) type fittings by line bank annex, having expanded circuit breaker can the type of hybrid junction wire.
Further, described connection row 18 is provided with the terminal screw 17 that can be connected with the wire of band ring joint, and described housing is provided with the second wiring hole 3 in the top position of the terminal screw 17 of line bank annex 22.By increasing the setting of terminal screw, can realize and the wire hybrid junction with ring joint, having expanded circuit breaker can the type of hybrid junction wire.
Further, described insulating barrier 16 is provided with latch 15, and the stop bit shelves 19 that described latch 15 and relevant position on housing are arranged engage each other and realize insulating barrier 16 self-locking and fix.This is a kind of concrete insulating barrier fixed structure, and latch and stop bit shelves intermesh, and can ensure installation strength, again easy disassembly.
Further, described circuit breaker forms the connection path 20 that distance is not less than the accommodation wire exposed end of the first wiring hole 4 and the second wiring hole 3 distance on the inlet wire direction that housing inside conductor is connected with binding post 2.Due to the first wiring hole, the second wiring hole and the design adding line bank annex, housing internal wiring terminal wire inlet wire direction defines one adjust the distance and be not less than the connection path of the first wiring hole and the second wiring hole distance, electrical safety protection can be realized.
Further, described connection row 18 comprises the electrical connection section 27 of arbitrary embedding described two independent patch spaces 23,24, and with the installation portion 28 that electrical connection section 27 is fixedly connected with; The width of installation portion 28 is greater than electrical connection section 27, and described terminal screw 17 is located on installation portion 28.This is a kind of connection row structure specifically.
Further, described housing is provided with arranges the corresponding locating surface of end face 21 10 with the connection of installation portion 28 both sides connecting row 18, after described electrical connection section 27 embeds arbitrary of described two independent patch spaces 23,24, connect row's end face 21 and be embedded in locating surface 10.While locating surface ensures that connecting row's access wiring space realizes reliable guiding, offset and connect row with when being with the wire of ring joint to be connected, by the torque of the fastening generation of attachment screw connected on row, stop connecting line row along torque plane rocking, ensure that line bank annex connection function is reliable.
The present invention take terminal block as boundary, and the wiring space of junction block is separated into two separate wiring spaces, equivalence has separated two binding posts, and two binding posts can complete respective connection function, do not interfere with each other.Structure of the present invention is simple, while reservation the first technical scheme all functions existing, also achieves the connection function of the single cord hybrid junction of different wire diameter.Further, the present invention also can add the line bank annex be connected with binding post, realize the wire hybrid junction of existing the second technical scheme and bus-bar (busbar) type fittings when not increasing terminal block, having expanded circuit breaker can the type of hybrid junction wire.Further, the present invention is provided with terminal screw on connection row annex, realizes the wire hybrid junction with band ring joint, and having expanded circuit breaker further can the type of hybrid junction wire.Further, connection path is provided with in housing, exposed end when being connected with binding post by wire by connection path is placed in housing, and improve creepage distance and electrical equipment gap effectively to isolate multipole circuit breaker and connect potential safety hazard after wire between adjacent wires, realize electrical safety protection.
Accompanying drawing explanation
Fig. 1 is the circuit breaker schematic diagram of the first technical scheme existing;
Fig. 2 is the circuit breaker schematic diagram of existing the second technical scheme;
Fig. 3 is the circuit breaker schematic diagram of the embodiment of the present invention;
Fig. 4 is the first body diagram of embodiment of the present invention circuit breaker;
Fig. 5 is the second body diagram of embodiment of the present invention circuit breaker;
Fig. 6 is the part A close-up schematic view of Fig. 4;
Fig. 7 is the circuit breaker schematic diagram of embodiment of the present invention band line bank annex;
Fig. 8 is the part B close-up schematic view of Fig. 7;
Fig. 9 is band line bank annex installation schematic diagram of the present invention;
Wherein: 1, terminal block; 2, binding post; 3, the second wiring hole; 4, the first wiring hole; 5A, the first housing; 5B, the second housing; 6, screw; 7, pressing plate; 8, junction block; 9, pressing plate end face; 10, locating surface; 11, terminal block upper surface; 12, guide plate; 13, terminal block lower surface; 14, junction block bottom face; 15, latch; 16, insulating barrier; 17, terminal screw; 18, row is connected; 19, stop bit shelves; 20, connection path; 21, row's end face is connected; 22, line bank annex; 23, the first wiring space; 24, the second wiring space; 27, electrical connection section; 28, installation portion; 29, junction block top end face.
Embodiment
The invention discloses a kind of circuit breaker, comprise housing, be arranged at the terminal block 1 in housing and binding post 2, described binding post 2 comprises screw 6, pressing plate 7, is provided with the junction block 8 of entrance hole and wiring space, described screw 6 through junction block 8 top end face 29 screwed hole with embed liftable pressing plate 7 in junction block 8 and contact; Described terminal block 1 crosses junction block 8 and the wiring space of junction block 8 is separated into two independently wiring spaces 23,24; Terminal block 1, between pressing plate 7 and junction block 8 sidewall, form the first wiring space 23, terminal block 1, between junction block 8 bottom face 14 and junction block 8 sidewall, form the second wiring space 24; Described housing is provided with the first wiring hole 4 in the top position of the screw 6 of binding post 2; Relative displacement is there is and compresses the connection that described two independent patch spaces realize wire in described pressing plate 7 and junction block 8 by the effect of screw 6 and terminal block 1.Further, circuit breaker of the present invention also comprises the line bank annex 22 that can be connected with bus-bar wire; Described line bank annex 22 comprises arranges 18 with arbitrary connection be connected in described two independent patch spaces 23,24, and for the insulating barrier 16 being provided with entrance hole of the row of being fixedly connected with 18; Described insulating barrier 16 is fixed on housing along wire inlet wire direction.Further, described connection row 18 is provided with the terminal screw 17 that can be connected with the wire of band ring joint, and described housing is provided with the second wiring hole 3 in the top position of the terminal screw 17 of line bank annex 22.
The present invention take terminal block as boundary, and the wiring space of junction block is separated into two separate wiring spaces, equivalence has separated two binding posts, and two binding posts can complete respective connection function, do not interfere with each other.Structure of the present invention is simple, while reservation the first technical scheme all functions existing, also achieves the connection function of the single cord hybrid junction of different wire diameter.Further, the present invention also can add the line bank annex be connected with binding post, realize the wire hybrid junction of existing the second technical scheme and bus-bar (busbar) type fittings when not increasing terminal block, having expanded circuit breaker can the type of hybrid junction wire.Further, the present invention is provided with terminal screw on connection row annex, realizes the wire hybrid junction with band ring joint, and having expanded circuit breaker further can the type of hybrid junction wire.Further, connection path is provided with in housing, exposed end when being connected with binding post by wire by connection path is placed in housing, and improve creepage distance and electrical equipment gap effectively to isolate multipole circuit breaker and connect potential safety hazard after wire between adjacent wires, realize electrical safety protection.
Below in conjunction with accompanying drawing and preferred embodiment, the invention will be further described.
As illustrated in figures 3-6, the circuit breaker of the present embodiment comprises closed housing, housing comprises the first housing 5A and the second housing 5B of insulation, the space and various splicing secure component that hold each parts of circuit breaker is provided with in first housing 5A and the second housing 5B, the parts such as operating mechanism, contact apparatus, release, arc control device of circuit breaker are separately fixed at two housing sections inside, then two housing sections splicing is fixing, is completely fixed by internal part and realizes positiver sealing, forming complete circuit breaker.
In the inside of Shell of circuit breaker, its terminals and leading-out terminal position are equipped with terminal block 1 and binding post 2.Binding post 2 comprises and cooperatively interacting with terminal block 1, and the junction block 8 of relative movement can be there is with terminal block 1, adopt the screw 6 of threaded engagement with junction block 8, and cooperatively interact with screw 6, and produce the pressing plate 7 with terminal block 1 relative movement with the promotion of screw 6.Junction block 8 is provided with entrance hole and wiring space, become hollow rectangle structure, its hollow parts is wiring space, and junction block 8 top end face 29 is provided with screwed hole, be provided with screw 6 in screwed hole, the end of thread of screw 6 is contacted with liftable pressing plate 7 in embedding junction block 8 by screwed hole.Terminal block 1 has also been crossed in the inside of junction block 8, terminal block 1 is fixed on housing, the wiring space of junction block 8 is separated into two separate wiring spaces, terminal block 1, form the first wiring space 23 between pressing plate 7 and junction block 8 sidewall, terminal block 1 is with forming the second wiring space 24 between junction block 8 bottom face 14 and junction block 8 sidewall.Housing is provided with the first wiring hole 4 in the top position of the screw 6 of binding post 2, and when conducting wire, screwdriver can be entered in housing by the first wiring hole 4 and tighten screw.The inlet wire direction that first housing 5A and the second housing 5B inwall wire are connected with binding post 2 is provided with the guide plate 12 that protruding guiding wire accesses two independently wiring spaces, the end face of wire guide plate 12 is concordant with the end face of terminal block 1, can conveniently guide wire to access corresponding two independently in wiring space respectively by guide plate 12.
When carrying out wire and connecting, turn screw 6 and carry out fastening, first pressing plate 7 constantly can move to terminal block 1 along with the promotion of screw 6, is fixed in the wire between pressing plate 7 and terminal block 1, realizes the connection function of the first wiring space 23.Continue trip bolt 6, after pressing plate end face 9 contacts with terminal block upper surface 11, screw 6 no longer moves downward, junction block 8 up moves along screw 6 under threaded engagement, junction block bottom face 14 compresses the wire between junction block 8 and terminal block 1 to terminal block lower surface 13 motion, thus realize the connection function of the second wiring space 24, finally complete the connection function of any two kinds of conventional wires, and two wiring spaces can regard independently binding post as.
The present embodiment structure is simple, and be that the wiring space of junction block is separated into two separate wiring spaces by boundary with terminal block, two wiring spaces can complete respective connection function.The connection of the plain conductor such as multi cord, single cord can be realized, also achieve the connection function of the single cord hybrid junction of different wire diameter simultaneously.The technical program with a terminal block for boundary, the wiring space of junction block is separated into two separate wiring spaces, to those skilled in the art, obviously the technical program can be expanded to multiple terminal block, these terminal blocks are all in same current potential, take terminal block as boundary, the space of junction block is separated into multiple separate space, realizes the hybrid junction of multiple conventional wire.
The side connecting conductor case in two independent patch spaces formed by the first wiring hole 4, binding post 2 and terminal block 1 is applicable to the terminal block commonly used and binding post, the terminal type that can install has certain restriction, therefore, in order to the scope of application expanding circuit breaker, to adapt to the wire of more polymorphic type joint, circuit breaker can also add the line bank annex 22 that can be connected with bus-bar (busbar) wire according to the needs of wiring condition.As Figure 7-9, described line bank annex 22 comprises arranges 18 with arbitrary connection be connected in described two independent patch spaces 23,24, and for the insulating barrier 16 being provided with entrance hole of the row of being fixedly connected with 18; Described insulating barrier 16 is fixed on housing along wire inlet wire direction.When holding connector bank annex 22, connecting row 18 accesses in one of them independent patch space of binding post 2, and keep certain mounting torque, insulating barrier 16 is installed along wire inlet wire direction and is engaged in after on housing, complete the installation of line bank annex 22, realize connection function and expand and ensure that electrical safety protects.The present embodiment is made to achieve the wire hybrid junction with bus-bar (busbar) by line bank annex 22.
Further, connect row 18 and be provided with the terminal screw 17 that can be connected with the wire of band ring joint, housing is provided with the second wiring hole 3 in the top position of the terminal screw 17 of line bank annex 22, and screwdriver can be entered in housing by the second wiring hole 3 and tighten terminal screw 17.The plane that coordinates that described second wiring hole 3 and the first wiring hole 4 are arranged side by side along the first housing 5A and the second housing 5B extends.The present embodiment is made to achieve the wire hybrid junction with bus-bar (busbar) by line bank annex 22.By increase terminal screw be arranged so that the present embodiment achieves and the wire hybrid junction with ring joint.
As shown in Figure 7, connect row 18 in the present embodiment and comprise the electrical connection section 27 of arbitrary embedding described two independent patch spaces 23,24, and with the installation portion 28 that electrical connection section 27 is fixedly connected with, electrical connection section 27 one-tenth square cylinder, the width of installation portion 28 is greater than electrical connection section 27, the part that such installation portion 28 exceeds electrical connection section 27 just forms flange, and form two and connect row's end face 21, terminal screw 17 is located on installation portion 28.
First housing 5A with the second housing 5B are provided with and arrange the corresponding locating surface of end face 21 10 with the connection of installation portion 28 both sides being connected row 18, after described electrical connection section 27 embeds arbitrary of described two independent patch spaces 23,24, connect row's end face 21 and be embedded in locating surface 10.Locating surface 10 is while guarantee connection row 18 accesses the reliable guiding of wiring space realization, offset and connect row 18 with when being with the wire of ring joint to be connected, by the torque of the fastening generation of terminal screw 17 connected on row 18, stop and connect row 18 along torque plane rocking, ensure that line bank annex 22 connection function is reliable.
Described insulating barrier 16 is provided with latch 15, and the stop bit shelves 19 that described latch 15 and relevant position on housing are arranged engage each other and realize insulating barrier 16 self-locking and fix.When insulating barrier 16 is engaged in after on housing along installation direction, latch 15 and stop bit shelves 19 engage each other, and stop insulating barrier 16 slide on housing along installation direction or come off, realize insulating barrier 16 self-locking, ensure that the security protection of line bank annex 22 is reliable, easy disassembly simultaneously.
Obviously, present embodiment have employed two docking string holes (the first wiring hole 4, second wiring hole 3) be arranged side by side, and the design of line bank annex 22 can be added, the inlet wire direction that housing inside conductor is connected with binding post 2 is formed the connection path 20 that distance is not less than the accommodation wire exposed end of the first wiring hole 4 and the second wiring hole 3 distance.Due to the existence of connection path 20, the opening of the wiring of binding post 2 is equivalent to be embedded in enclosure interior, wire access binding post 2 is inner, even if there is part metals exposed outside at binding post 2, exposed part also can be kept apart by connection path 20, after multipole circuit breaker has connected wire connection, mutually separated by these connection path between adjacent wires, and improve creepage distance and electric clearance, stop the potential safety hazard of short circuit between wire, realize electrical safety protection.Avoiding wire exposed end is in outside Shell of circuit breaker, and multipole circuit breaker connects the electric clearance of adjacent two wires after wire and the very little and potential safety hazard brought of creepage distance.
Certainly; not hard to imagine; the electrical safety safeguard function realized by connection path 20 described in present embodiment; also can design not having two docking string holes and add in the normal circuit breaker of line bank attachment design and realize; only need to reserve certain protection channel at the wire inlet wire opening part of housing internal wiring terminal, this can increase circuit breaker volume certainly.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.

Claims (9)

1. a circuit breaker, comprises housing, is arranged at the terminal block (1) in housing and binding post (2), it is characterized in that:
Described binding post (2) comprises screw (6), pressing plate (7), is provided with the junction block (8) of entrance hole and wiring space, and described screw (6) contacts with liftable pressing plate (7) in embedding junction block (8) through the screwed hole of junction block (8) top end face (29);
Described terminal block (1) crosses junction block (8) and the wiring space of junction block (8) is separated into two independently wiring spaces (23,24); Terminal block (1), between pressing plate (7) and junction block (8) sidewall, form the first wiring space (23), terminal block (1), between junction block (8) bottom face (14) and junction block (8) sidewall, form the second wiring space (24);
Described housing is provided with the first wiring hole (4) in the top position of the screw (6) of binding post (2);
Relative displacement is there is and compresses the connection that described two independent patch spaces realize wire in described pressing plate (7) and junction block (8) by the effect of screw (6) and terminal block (1);
Described circuit breaker also comprises the line bank annex (22) that can be connected with bus-bar wire; Described line bank annex (22) comprises arranges (18) with arbitrary connection be connected of described two independent patch spaces (23,24), and for the insulating barrier (16) being provided with entrance hole of the row of being fixedly connected with (18); Described insulating barrier (16) is fixed on housing.
2. a kind of circuit breaker as claimed in claim 1, it is characterized in that, described inner walls is provided with the guide plate (12) guiding wire to access described two independent patch spaces (23,24) on the inlet wire direction that wire is connected with binding post (2).
3. a kind of circuit breaker as claimed in claim 1, is characterized in that, the inlet wire direction that the inherent wire of described housing is connected with binding post (2) is provided with the connection path (20) holding wire exposed end.
4. a kind of circuit breaker as claimed in claim 1, is characterized in that, described insulating barrier (16) is fixed on housing along wire inlet wire direction.
5. a kind of circuit breaker as claimed in claim 4, it is characterized in that, the described row of connection (18) is provided with can with the terminal screw (17) being with the wire of ring joint be connected, and described housing is provided with the second wiring hole (3) in the top position of the terminal screw (17) of line bank annex (22).
6. a kind of circuit breaker as claimed in claim 4, it is characterized in that, described insulating barrier (16) is provided with latch (15), and the stop bit shelves (19) that on described latch (15) and housing, relevant position is arranged engage each other and realize insulating barrier (16) self-locking and fix.
7. a kind of circuit breaker as claimed in claim 5, it is characterized in that, described circuit breaker forms the connection path (20) that distance is not less than the accommodation wire exposed end of the first wiring hole (4) and the second wiring hole (3) distance on the inlet wire direction that housing inside conductor is connected with binding post (2).
8. a kind of circuit breaker as claimed in claim 5, it is characterized in that, described connection row (18) comprises the electrical connection section (27) of arbitrary embedding described two independent patch spaces (23,24), and with the installation portion (28) that electrical connection section (27) is fixedly connected with; The width of installation portion (28) is greater than electrical connection section (27), and described terminal screw (17) is located on installation portion (28).
9. a kind of circuit breaker as claimed in claim 8, it is characterized in that, described housing is provided with arranges the corresponding locating surface (10) of end face (21) with the connection connecting installation portion (28) both sides of arranging (18), after described electrical connection section (27) embeds arbitrary of described two independent patch spaces (23,24), connect row's end face (21) and be embedded in locating surface (10).
CN201210362964.1A 2012-09-25 2012-09-25 Circuit breaker Active CN102881528B (en)

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CN202816824U (en) 2012-09-25 2013-03-20 上海诺雅克电气有限公司 Circuit breaker
CN104425908B (en) * 2013-08-29 2017-04-12 西门子公司 Switch
CN106710972B (en) * 2015-07-16 2018-11-02 上海良信电器股份有限公司 Breaker
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CN106710975B (en) * 2015-11-12 2018-11-02 上海良信电器股份有限公司 Plug in circuit breaker
CN105826143B (en) * 2016-05-31 2019-02-15 乐清市也为电气有限公司 A kind of miniaturization breaker
CN108963538B (en) * 2018-07-20 2024-03-29 首瑞(天津)电气设备有限公司 Binding post and distribution system
CN109509688A (en) * 2018-11-26 2019-03-22 深圳时空科技集团有限公司 A kind of protection against electric shock termination and the breaker using the device

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CN1520601A (en) * 2001-03-20 2004-08-11 Ī���Զ�ϵͳ��˾ Clamping auxiliary element
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CN202816824U (en) * 2012-09-25 2013-03-20 上海诺雅克电气有限公司 Circuit breaker

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CN2098734U (en) * 1991-09-05 1992-03-11 厉无咎 Mini-size circuit breaker with plastic shell
CN1207828A (en) * 1995-12-20 1999-02-10 施耐德电器公司 Device for connecting external conductor such as cable to contact of electrical apparatus
CN1233069A (en) * 1998-04-17 1999-10-27 施耐德电器公司 Connection accessory and terminal equipped with such accessory
CN1520601A (en) * 2001-03-20 2004-08-11 Ī���Զ�ϵͳ��˾ Clamping auxiliary element
CN201508813U (en) * 2009-10-21 2010-06-16 王金同 Interlayer wiring device for circuit breaker
CN202816824U (en) * 2012-09-25 2013-03-20 上海诺雅克电气有限公司 Circuit breaker

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Application publication date: 20130116

Assignee: ZHEJIANG CHINT ELECTRICS Co.,Ltd.

Assignor: SHANGHAI NOARK ELECTRIC Co.,Ltd.

Contract record no.: X2021330000593

Denomination of invention: A circuit breaker

Granted publication date: 20150318

License type: Common License

Record date: 20211025

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