CN218939562U - Circuit breaker - Google Patents

Abstract

The utility model provides a circuit breaker, including the circuit breaker body, control pole and signal transmission module, signal transmission module runs through circuit breaker body and the control pole that set up side by side, make control pole and circuit breaker body carry out signal transmission through signal transmission module, the one end of circuit breaker body is equipped with first binding post and second binding post, signal transmission module includes first transmission module and second transmission module, first slot is seted up at circuit breaker body one side of wiring end or next-door neighbour wiring end, first transmission module assembles in first slot and gets the electricity with first binding post elastic connection, second slot is seted up at circuit breaker body one side of wiring end or next-door neighbour wiring end, second transmission module assembles in the second slot and gets the electricity with second binding post elastic connection. The first transmission module and the second transmission module not only realize signal transmission, but also enable the control electrode to take electricity from the breaker body, avoid using wires, and have the advantages of convenient disassembly and assembly and small occupied space.

Description

Circuit breaker

Technical Field

The utility model relates to the field of piezoelectric devices, in particular to a circuit breaker.

Background

The circuit breaker can be used for not frequent disconnection and switch-on distribution lines, carries out overload and short-circuit protection to distribution lines and equipment, can automatic cutout circuit when the distribution lines or equipment take place trouble such as serious overload or short circuit, and current circuit breaker usually has automatic reclosing function, promptly after the circuit breaker drops into normal operating because of outside line trouble and causes tripping, reclosing once again after brief time delay to improve power supply reliability.

The control circuit board of the control electrode of the automatic reclosing miniature circuit breaker in the current market adopts wires to take electricity, and for the multipole circuit breaker, the number of the wires is more and longer, the occupied space is large, the automatic reclosing miniature circuit breaker is easy to break, the wiring is complex, the trouble is brought to design and production, and in addition, the production qualification rate and the use reliability of the product are not affected little.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a circuit breaker with simple structure and high reliability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the circuit breaker comprises a circuit breaker body, a control electrode and a signal transmission module, wherein the circuit breaker body and the control electrode are arranged in parallel, the signal transmission module penetrates through the circuit breaker body and the control electrode to enable the control electrode and the circuit breaker body to perform signal transmission through the signal transmission module, one end of the circuit breaker body is used as a wiring terminal and is provided with at least one pair of first wiring terminal and second wiring terminal, the signal transmission module comprises a first transmission module and a second transmission module,

a first slot is formed in one side of the circuit breaker body close to the wiring terminal or the circuit breaker body close to the wiring terminal, a first transmission module is assembled in the first slot and is elastically connected with the first wiring terminal through a first elastic conductive piece arranged in the first slot to obtain electricity, a second slot is formed in one side of the circuit breaker body close to the wiring terminal or the circuit breaker body close to the wiring terminal, and a second transmission module is assembled in the second slot and is elastically connected with the second wiring terminal through a second elastic conductive piece extending into the second slot to obtain electricity.

Further, the first slot is located at one side of the breaker body close to the first wiring terminal, and the second slot is located between the first wiring terminal and the second wiring terminal.

Further, one end of the breaker body opposite to the wiring terminal is provided with an operating member for driving the breaker to open and close as an operating end, the other end of the breaker body is provided with at least one pair of first wiring sockets and second wiring sockets which are arranged side by side as the wiring terminal, and the first wiring terminals and the second wiring terminals are correspondingly assembled in the first wiring sockets and the second wiring sockets respectively.

Further, the circuit breaker body still includes operating device, contact mechanism, explosion chamber and overload protection mechanism, operating device and operating piece linkage, the explosion chamber is located the one side that is close to the wiring end, and contact mechanism sets up between operating device and explosion chamber, and overload protection mechanism sets up along one side of explosion chamber, and first slot is located next to first binding post's circuit breaker body one side and is relative with the current-conducting plate of connection between first binding post and overload protection mechanism.

Further, the first slot and the second slot are both open slots, the first transmission module is inserted in the first slot in a sliding manner, or the first transmission module is limited with the first slot in a plugging manner, and the second transmission module is inserted in the second slot in a sliding manner, or the second transmission module is limited with the second slot in a plugging manner.

Further, the control electrode comprises a control circuit board, and the first transmission module and the second transmission module are respectively matched with the control circuit board in a plugging manner so as to perform signal transmission.

Further, the circuit breaker body includes two at least circuit breaker poles that side by side, and every circuit breaker pole includes looks utmost point casing, and every looks utmost point casing's one end all is equipped with the operating piece that is used for driving the circuit breaker divide-shut brake, and the other end all is provided with a pair of first binding post and second binding post, the operating piece linkage of circuit breaker pole, the control pole includes the control pole casing, and first breach has been seted up respectively to the same side of all looks utmost point casings and control pole casings, forms first slot by all first breach intercommunication, and the second breach has been seted up respectively to the same end of all looks utmost point casings and control pole casings, forms the second slot by all second breach intercommunication.

Further, the first transmission module comprises a first cover body and a first circuit board assembled in the first cover body, at least two first spaced conductive parts are arranged on one side of the first circuit board facing the breaker body, and the first conductive parts are in one-to-one correspondence with the first gaps and are elastically abutted to the first elastic conductive parts.

Further, one end of the first circuit board is provided with a first plug, the first plug is located at one side opposite to the first cover body and used for being connected with the control circuit board of the control electrode in an inserting mode, and a pin a of the first plug is connected with the first conductive part in a one-to-one correspondence mode.

Further, at least, a sliding part is formed by protruding at one side edge of the first cover body, a sliding groove is formed at least on one side wall of the first slot, and the sliding part is in sliding limit fit with the sliding groove, so that the first transmission modules penetrating through all the circuit breaker poles and the control poles are limited in the first slot.

Further, the first notch arranged on the circuit breaker pole is communicated with the phase pole shell, one end of the first elastic conductive piece stretches into the phase pole shell to be elastically connected with the conductive plate connected with the first wiring terminal, and the other end of the first elastic conductive piece is elastically abutted with a first conductive part.

Further, the second transmission module comprises a second cover body and a second circuit board assembled in the second cover body, at least two spaced second conductive parts are arranged on one side of the second circuit board facing the second wiring terminal, and the second conductive parts and the second gaps are in one-to-one correspondence and are in elastic abutting connection with the second elastic conductive parts.

Further, the edge of one side of the second cover body protrudes outwards to form a protruding portion, a buckle is arranged at the edge of the protruding portion, and a clamping groove which is clamped with the buckle is formed in the second slot.

Further, one end of the second circuit board is provided with a second plug, the second plug is used for being spliced with the control circuit board of the control electrode, and pins of the second plug are correspondingly connected with the second conductive parts one by one; or the second circuit board is connected with the control circuit board through a wire.

Further, one of the circuit breakers is an N pole, and the second circuit board is not provided with a second conductive part in a second notch area corresponding to the N pole.

Further, the second notch arranged on the circuit breaker pole is communicated with the inside of the phase pole shell, the second elastic conductive piece is rotationally assembled between the second wiring terminal and the second notch, after the second wiring terminal is spliced with the external conductive piece, the second wiring terminal is elastically abutted with one end of the second elastic conductive piece, and the other end of the second conductive piece extends into the second notch to be elastically abutted with a second conductive part.

Further, the first elastic conductive element and the second elastic conductive element are torsion springs assembled in a rotating mode.

According to the circuit breaker, the first transmission module and the second transmission module can realize signal transmission between the control electrode and the circuit breaker body, and can enable the control electrode to take electricity from the circuit breaker body, the arrangement positions of the first transmission module and the second transmission module are relatively flexible, the electricity can be taken through the elastic contact of the first elastic conductive piece and the second elastic conductive piece respectively, wires are avoided, and the circuit breaker has the advantages of convenience in assembly and disassembly and small occupied space.

Preferably, the circuit breaker is the plug-in circuit breaker, and first slot sets up in the one side that is close to first binding post, the second slot sets up between first binding post and second binding post, is open slot structure, and not only the assembly inspection of being convenient for can not influence plug-in circuit breaker and plug-in cooperation of rack moreover.

In addition, the first transmission module and the second transmission module can be in sliding connection with the first slot and the second slot in a matching mode, can also be in plug limiting, and is convenient to assemble and disassemble and high in applicability.

Particularly, the first transmission module and the second transmission module are respectively spliced with the control circuit board, so that the disassembly and assembly convenience is further improved.

In addition, the first elastic conductive piece and the second elastic conductive piece are torsion springs assembled in a rotating mode, and therefore the cost is low and the assembly is convenient.

Drawings

Fig. 1 is a schematic structural view of a circuit breaker according to the present utility model;

fig. 2 is a schematic structural diagram of a circuit breaker (including a second transmission module) according to the present utility model;

fig. 3 is a schematic diagram of a matching structure of the breaker body, the first transmission module and the second transmission module in the present utility model;

FIG. 4 is a schematic diagram of a circuit breaker pole and a first transmission module according to the present utility model;

FIG. 5 is a schematic view of the structure of a breaker pole of the present utility model;

FIG. 6 is a schematic view of the structure of the control electrode of the present utility model;

fig. 7 is a schematic structural view of a first transmission module according to the present utility model;

fig. 8 is an exploded view of a first transmission module according to the present utility model;

fig. 9 is a schematic structural view of a second transmission module according to the present utility model.

Detailed Description

Embodiments of the circuit breaker of the present utility model are further described below with reference to the examples shown in fig. 1-9. The circuit breaker of the present utility model is not limited to the description of the following embodiments.

As shown in fig. 1-9, the circuit breaker of the present embodiment is a plug-in circuit breaker, and the circuit breaker includes a circuit breaker body, a control pole 2 and a signal transmission module, where the circuit breaker body and the control pole 2 are arranged in parallel, the control pole 2 includes a control circuit board 21 and an electric operating mechanism 22, the electric operating mechanism 22 is connected with the operating mechanism 14 of the circuit breaker body in a linkage manner, and a controller of the control circuit board 21 outputs a control signal to drive the electric operating mechanism 22, so as to drive the circuit breaker body to perform switching on and off; the signal transmission module runs through the circuit breaker body and the control electrode 2, so that the control electrode 2 and the circuit breaker body perform signal transmission through the signal transmission module, that is, the signal transmission module runs through the circuit breaker body and the control electrode 2 in the width direction after being formed integrally in parallel (namely, the width direction of the circuit breaker is the left-right direction in fig. 1), the signal transmission module comprises a first transmission module 31 and a second transmission module 32, and preferably the first transmission module 31 and the second transmission module 32 are respectively in plug-in fit with the control circuit board 21 in the control electrode 2 so as to perform signal transmission, so that the first transmission module 31, the second transmission module 32 and the control circuit board 21 are convenient to assemble and disassemble.

One end of the breaker body is provided with at least a pair of first wiring terminal 11 and second wiring terminal 12 as wiring terminals, in fig. 3 and 5, the first wiring terminal 11 and the second wiring terminal 12 are arranged at one end of the breaker body side by side, and the first wiring terminal 11 and the second wiring terminal 12 are connected with an external conductor in a plug-in manner. Preferably, the circuit breaker body comprises at least two parallel circuit breaker poles 1, each circuit breaker pole 1 being provided with a pair of first terminals 11 and second terminals 12 at the same end, so that all first terminals 11 are located side by side at one end of the circuit breaker body, and correspondingly, all second terminals 12 are also located side by side at the same end of the circuit breaker body.

A first slot is arranged at one side of the circuit breaker body of the wiring terminal or the circuit breaker close to the wiring terminal, a first transmission module 31 is assembled in the first slot and is elastically connected with the first wiring terminal 11 through a first elastic conductive piece 41 arranged in the first slot, a second slot is arranged at one side of the circuit breaker body of the wiring terminal or the circuit breaker close to the wiring terminal, a second transmission module 32 is assembled in the second slot and is elastically connected with the second wiring terminal 12 through a second elastic conductive piece 42 extending into the second slot to obtain electricity, thus, the first transmission module 31 and the second transmission module 32 can realize signal transmission between the control electrode 2 and the circuit breaker body and can also enable the control electrode 2 to obtain electricity from the circuit breaker body, wherein the first slot and the second slot can be arranged at the same side of the circuit breaker body side by side or are arranged at the wiring terminal side by side, the first slot and the second slot arranged side by side on the terminal can be commonly arranged at the middle position of the terminal between the first terminal 11 and the second terminal 12, or one of the slots is arranged between the first terminal 11 and the second terminal 12, and the other slot is arranged at the side position of the terminal, or the first slot and the second slot are respectively arranged at the side position of the terminal, of course, the first slot and the second slot can also be respectively arranged at two sides of the breaker body, the first slot is preferably arranged at one side of the breaker body adjacent to the first terminal 11, the second slot is preferably arranged at the terminal between the first terminal 11 and the second terminal 12, so that after the first transmission module 31 and the second transmission module 32 are respectively assembled, the first transmission module 31 and the second transmission module 32 are respectively close to the first terminal 11 and the second terminal 12, and the first elastic conductive piece 41 and the second elastic conductive piece 42 are respectively contacted to take electricity, so that the use of wires is avoided, and the electric power meter has the advantages of convenience in assembly and disassembly and small occupied space.

Preferably, the first slot and the second slot are open slots, the first transmission module 31 is slidably inserted in the first slot, that is, the first transmission module 31 is slidably inserted in the second slot along the width direction of the circuit breaker (in particular, in fig. 4, the first transmission module 31 is slidably inserted in the second slot along the arrow direction), the second transmission module 32 is limited by inserting and pulling the second transmission module 32 along the length direction of the circuit breaker (in particular, in fig. 3, the second transmission module 32 is inserted in the arrow direction), the first transmission module 31 and the first slot can be also inserted and pulled to limit, at this time, the inserting and pulling direction of the first transmission module 31 is along the height direction of the circuit breaker, that is, the second transmission module 32 can be slidably inserted in the second slot along the width direction of the circuit breaker, that is, correspondingly, limiting structures are respectively arranged between the first slot and the first transmission module 31, the second slot and the second transmission module 32, the limiting structures can be matched with each other, the sliding parts of the limiting structures can be matched with the sliding parts of the first slot and the second transmission module 31, the second slot is more convenient to use, the first slot and the second slot can be matched with the second slot 3111, the second slot can be matched with the second slot and the second slot can be matched with the second slot according to the requirements, and the requirements of the two slot is more convenient, and the first slot and the slot can be matched with the second slot and the second slot can be used with the slot and the slot.

Preferably, as shown in fig. 3, the first elastic conductive element 41 and the second elastic conductive element 42 are respectively assembled in the first slot and the second slot, and the first elastic conductive element 41 and the second elastic conductive element 42 are respectively and elastically electrically connected with the first wiring terminal 11 and the second wiring terminal 12, however, the first elastic conductive element 41 and the second elastic conductive element 42 can also be assembled in the circuit breaker body, only the first elastic conductive element 41 and the second elastic conductive element 42 are required to be ensured to be respectively and partially extended into the first slot and the second slot, the first transmission module 31 is assembled in the first slot and is elastically connected with the first elastic conductive element 41, and the second transmission module 32 is assembled in the second slot and is elastically connected with the second elastic conductive element 42, so that the first transmission module 31 and the second transmission module 32 are respectively and electrically taken from the first wiring terminal 11 and the second wiring terminal 12.

Preferably, the breaker body of the present embodiment includes four parallel breaker poles 1, where one breaker pole 1 is an N pole, and preferably, each breaker pole 1 includes a phase pole housing 10, where the phase pole housing 10 may include a cover and a base, the cover and the base are covered to form a closed installation cavity, two adjacent breaker poles 1 are assembled together through the phase pole housing 10, and of course, the phase pole housing 10 may also include only a partition plate, where the partition plate is provided with an installation cavity with one side open, and two adjacent breaker poles 1 are assembled through the partition plate to cover the installation cavity, where the installation cavity located at the side position is covered and closed by the control pole housing 20, and the phase pole housing 10 and the control pole housing 20 together form a casing of the breaker.

In this embodiment, one end of the breaker body is used as an operation end, the operation end is provided with an operation member for driving the breaker to open and close, the operation member is a handle mechanism 13 or a button which is rotatably arranged, the other end of the breaker body is used as a wiring terminal, the wiring terminal is opposite to the operation end and is provided with a first wiring terminal 11 and a second wiring terminal 12, and correspondingly, a first wiring socket 103 and a second wiring socket 104 are arranged on a shell corresponding to the wiring terminal and are used for correspondingly assembling the first wiring terminal 11 and the second wiring terminal 12. The circuit breaker body still includes operating device 14, contact mechanism 15, explosion chamber 16 and overload protection mechanism 18, operating device 14 and operating piece linkage, explosion chamber 16 are located the one side that is close to the wiring end, contact mechanism 15 sets up between operating device 14 and explosion chamber 16, the circuit breaker body still includes the locking mechanical system that is used for with rack locking complex, connect circuit breaker body one side between operating terminal and wiring end and be the mating surface, locking mechanical system's locking protrusion stretches out from the mating surface, overload protection mechanism 18 sets up along the one side that explosion chamber 16 is close to the mating surface. The assembly inspection is convenient, and the plug-in matching of the plug-in circuit breaker and the cabinet is not affected.

The specific structure of the breaker pole 1 is described in detail with reference to fig. 1-6, and is used as one breaker pole 1 of the plug-in breaker, each breaker pole 1 has the same structure, the operation pieces of the breaker poles 1 are linked, one end of the breaker pole belongs to a part of the operation end, the other end of the breaker pole is used as a part of the wiring terminal, and one side of the breaker pole is used as a part of the matching surface. A handle mechanism 13 is rotationally assembled at one end of the phase pole shell 10, two parallel wiring jacks are arranged at the other end of the phase pole shell 10, a locking protrusion of a locking mechanism extends out of the side wall of a matching surface formed by the phase pole shell 10, the locking mechanism is positioned at one end close to the handle mechanism 13 in the drawing, an operating mechanism 14, a contact mechanism 15 and an arc extinguishing chamber 16 are sequentially arranged in the middle of the phase pole shell 10, wherein the operating mechanism 14 is in linkage connection with the handle mechanism 13, the handle mechanisms 13 and the operating mechanisms 14 of two adjacent circuit breaker poles 1 are respectively in linkage connection, the contact mechanism 15 comprises a moving contact and a fixed contact which are matched with each other, the moving contact is rotationally connected with the operating mechanism 14, the fixed contact is fixed at the middle of the phase pole shell 10, and the operating mechanism 14 drives the contact mechanism 15 to contact with the moving contact or separate to realize the switching-on and switching-off of the circuit breaker; two wiring sockets are arranged side by side at one end of the phase pole shell 10, and are arranged side by side up and down in combination with fig. 2 and 3, the wiring socket at the upper side is a first wiring socket 103, a first wiring terminal 11 is assembled in the first wiring socket 103, the wiring socket at the lower side is a second wiring socket 104, and a second wiring terminal 12 is assembled in the second wiring socket 104. Of course, as other embodiments, the operating end may also be provided with a button instead of the handle mechanism 13, and connected to the operating mechanism 14 for triggering the opening and closing of the circuit breaker.

As shown in fig. 4 and 5, a short-circuit protection mechanism 17 and an overload protection mechanism 18 are further disposed in the phase pole housing 10, the short-circuit protection mechanism 17 and the overload protection mechanism 18 are disposed along two sides of the phase pole housing 10 and are respectively matched with the operating mechanism 14, the short-circuit protection mechanism 17 and the fixed contact are located between the operating mechanism 14 and the arc extinguishing chamber 16, a conductive plate 19 is connected between the short-circuit protection mechanism 17 and the second wiring terminal 12, the overload protection mechanism 18 and the moving contact are located on the same side, the overload protection mechanism 18 is located between the arc extinguishing chamber 16 and the phase pole housing 10, in this embodiment, a side wall of the phase pole housing 10 close to one side of the moving contact forms a matching surface of the circuit breaker body, the overload protection mechanism 18 is located on one side close to the corresponding matching surface of the arc extinguishing chamber 16, and another conductive plate 19 is connected between the overload protection mechanism 18 and the first wiring terminal 11.

A first notch 101 is formed in the side wall of the phase pole housing 10, the first notch 101 is located at one side close to the first wiring terminal 11, that is, the first notch 101 is arranged on the side wall of the phase pole housing 101 forming a matching surface, so that the locking mechanism and the first notch 101 are matched with the same side wall of the phase pole housing 10, the first notch 101 is communicated with the inside of the phase pole housing 10, in fig. 5, the first notch 101 corresponds to the upper left side of the first wiring terminal 11, that is, corresponds to the conductive plate 19 connected to the first wiring terminal 11, a first elastic conductive piece 41 is assembled in the first notch 101, in this embodiment, the first elastic conductive piece 41 is a torsion spring, a first rotating shaft 43 is assembled in the first notch 101, the first elastic conductive rotating shaft 43 is assembled in a rotating manner, one elastic arm of the first elastic conductive piece 41 is elastically connected with the conductive plate 19 connected to the first wiring terminal 11, or a certain gap is reserved between the other elastic arm of the first elastic conductive piece 41 and the conductive plate 19, and the other elastic arm is located in the first notch 101; in this embodiment, the inner side walls of the opposite sides of each first notch 101 are provided with a bar-shaped groove, the first notches 101 of two adjacent phase pole housings 10 are communicated along the width direction of the circuit breaker, and the bar-shaped grooves of two adjacent first notches 101 are correspondingly communicated, however, the bar-shaped grooves may be only arranged on the inner side walls of the same side of all the first notches 101.

As shown in fig. 3 and 5, a second notch 102 is formed at one end of the phase pole housing 10 between two wire connection sockets, the second notch 102 is located at one side closer to the second wire connection terminal 12, one side of the second notch 102 facing the second wire connection terminal 12 is communicated with the interior of the phase pole housing 10, one end of a second elastic conductive piece 42 arranged in the phase pole housing 10 extends into the second notch 102, in fig. 5, the second elastic conductive piece 42 is a torsion spring, a second rotating shaft 44 is assembled between the second wire connection terminal 12 and the second notch 102, the second elastic conductive piece 42 is sleeved on the second rotating shaft 44, a gap is reserved between one elastic arm of the second elastic conductive piece 42 and the second wire connection terminal 12, and when the second wire connection terminal 12 is inserted into the external conductive piece 5, the gap disappears due to elastic deformation of the second wire connection terminal 42, so that the second wire connection terminal 12 is elastically connected with the second elastic conductive piece 42, and the other elastic arm extends into the second notch 102; in this embodiment, a clamping groove 1021 is disposed in each second notch 102, and in fig. 3 and 5, the clamping groove 1021 is located at a position where the bottom wall and the side wall of the second notch 102 are engaged.

It should be noted that, one breaker pole 1 is an N pole, the other breaker poles 1 are L poles, and the torsion spring shapes of the first elastic conductive member 41 and the second elastic conductive member 42 are not particularly limited.

Referring to fig. 6, a specific structure of the control pole 2 is provided, the control pole 2 includes a control pole housing 20, the control pole housing 20 includes a base and an upper cover that are mutually covered, in this embodiment, the base is adjacent to the phase pole housing 10, that is, the base may cover an open installation cavity in the phase pole housing 10 located at a side position, a first notch 101 that is the same as the phase pole housing 10 is formed on a side wall of the base, the first notch 101 of the base is communicated with the first notches 101 of all the phase pole housings 10 to form a first slot, at this time, the first slot corresponds to a conductive plate 19 connected between a first connection terminal 11 and an overload protection mechanism 18 in each circuit breaker pole, and strip grooves in two adjacent first notches 101 (that is, between two phase pole housings 10 and the base) are butted to form a chute; the same second notch 102 as the phase pole shell 10 is formed on one end side wall of the base, the second notch 102 of the base is communicated with the second notches 102 of all the phase pole shells 10 to form a second slot, and the clamping grooves 1021 of two adjacent second notches 102 (namely, between two phase pole shells 10 and between the phase pole shells 10 and the base) correspond.

A control circuit board 21 is laminated in the base, an electric actuator 22 is laminated on the control circuit board 21, and the electric actuator 22 is positioned at one end far away from the second notch 102 in fig. 6; a first socket 211 and a second socket (not shown) are provided on the control circuit board 21, wherein the first socket 211 is opposite to the first notch 101 of the base, and the second socket is located on the second notch 102 side of the base.

With reference to fig. 1-4 and 6-9, a specific structure of a signal transmission module is provided, the signal transmission module includes a first transmission module 31 and a second transmission module 32, wherein the first transmission module 31 and the second transmission module 32 are respectively electrically connected with the first wiring terminal 11 and the second wiring terminal 12, when the circuit breaker is opened, the first transmission module 31 and the second transmission module 32 have the characteristic of mutual isolation, and when the circuit breaker is closed, the control electrode 2 can perform signal transmission through the first transmission module 31 and the second transmission module 32 and take electricity from the circuit breaker body.

As shown in fig. 1-4, 7 and 8, the first transmission module 31 is in an overall strip shape, the first transmission module 31 includes a first cover 311 and a first circuit board 312 assembled in the first cover 311, sliding portions 3111 are formed by protruding edges of two sides of the first cover 311, sliding grooves corresponding to the sliding portions 3111 and corresponding to the first slots are slidably inserted, so that the first transmission module 31 penetrating through all the circuit breaker poles 1 and the control poles 2 is limited in the first slots, and the insertion direction of the first transmission module 31 in the structure is shown in the arrow direction of fig. 4, however, the sliding portions 3111 may be only arranged on one side edge of the first cover 311, but the stability of the limited engagement may be affected.

At least two first conductive parts 3121 are arranged at one side of the first circuit board 312 facing the breaker body, the first conductive parts 3121 and the first notch 101 are in one-to-one correspondence to be elastically abutted against the first elastic conductive parts 41, in this embodiment, four first conductive parts 3121 are arranged on the first circuit board 312 at intervals, each first conductive part 3121 is a bonding pad arranged on the first circuit board 312, the first transmission module 31 is assembled in the first slot, the first elastic conductive parts 41 are extruded by the first transmission module 31 to be elastically deformed, so that two ends of the first elastic conductive parts 41 are respectively elastically abutted against the conductive plates 19 and the first conductive parts 3121, thereby realizing elastic electric connection and ensuring wiring stability; one end of the first circuit board 312 is provided with a first plug 3122, that is, the first plug 3122 is located at an end extending into the control electrode 2, the pins 3122a of the first plug 3122 are connected with the first conductive parts 3121 in a one-to-one correspondence manner, and the first plug 3122 is located at a side opposite to the first cover 311 for plugging with the first socket 211 of the control circuit board 21 so as to realize signal transmission.

As shown in fig. 2, 3 and 9, the second transmission module 32 is also in a strip shape, the second transmission module 32 includes a second cover 321 and a second circuit board 322 assembled in the second cover 321, at least two spaced second conductive portions 3221 are disposed on a side of the second circuit board 322 facing the second connection terminal 12, the second conductive portions 3221 are in one-to-one correspondence with the second gaps 102 and are elastically abutted against the second elastic conductive members 42, in this embodiment, three second conductive portions 3221 are disposed on the second circuit board 322 at intervals, the second circuit board 322 does not have second conductive portions 3221 in the region of the second gaps 102 corresponding to the N poles, because the N poles do not need feedback information, each second conductive portion 3221 is a pad disposed on the second circuit board 322, a protruding portion 3211 is formed by protruding outwards from an edge of one side of the second cover 321, a clip 3212 is disposed on an edge of the protruding portion 3211, and the clip 3212 is clipped with a clip 1021 of the second slot.

A second plug is disposed at one end of the second circuit board 322, that is, one end of the second circuit board 322 extending into the control electrode 2 is provided with a second plug, the second plug is plugged into a second socket of the control circuit board 21, and pins of the second plug are connected with the second conductive parts 3221 in a one-to-one correspondence manner, and of course, when the second circuit board 322 is not provided with the second plug, the second plug can also be connected with the control circuit board 21 through wires.

When the second transmission module 32 is assembled in the second slot, the second elastic conductive element 42 contacts with the second conductive portion 3221, or a certain gap is left between the second elastic conductive element 42 and the second conductive portion 3221, a certain gap is left between one elastic arm of the second elastic conductive element 42 and the second connection terminal 12, and the second elastic conductive element 42 may contact with the second conductive portion 3221 or leave a certain gap until the external conductive element 5 is inserted into the second connection terminal 12, so that the second connection terminal 12 presses the second elastic conductive element 42, and therefore, two elastic arms of the second elastic conductive element 42 respectively abut against the second connection terminal 12 and the second conductive portion 3221.

It should be noted that, after the first transmission module 31 and the second transmission module 32 are assembled, the first cover 311 and the second cover 312 may preferably be kept flush with the casing of the circuit breaker, so as to avoid interference with the plugging fit between the circuit breaker and the cabinet.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (17)

1. The utility model provides a circuit breaker, includes circuit breaker body, control pole (2) and signal transmission module, circuit breaker body sets up with control pole (2) side by side, and signal transmission module runs through circuit breaker body and control pole (2), makes control pole (2) and circuit breaker body carry out signal transmission through signal transmission module, circuit breaker body's one end is equipped with a pair of first binding post (11) and second binding post (12) at least as the wiring end, and signal transmission module includes first transmission module (31) and second transmission module (32), its characterized in that:

a first slot is formed in one side of the wiring terminal or the circuit breaker body close to the wiring terminal, a first transmission module (31) is assembled in the first slot and is elastically connected with a first wiring terminal (11) through a first elastic conductive piece (41) arranged in the first slot, a second slot is formed in one side of the wiring terminal or the circuit breaker body close to the wiring terminal, and a second transmission module (32) is assembled in the second slot and is elastically connected with a second wiring terminal (12) through a second elastic conductive piece (42) extending into the second slot.

2. The circuit breaker according to claim 1, characterized in that: the first slot is positioned on one side of the breaker body close to the first wiring terminal (11), and the second slot is positioned between the first wiring terminal (11) and the second wiring terminal (12).

3. The circuit breaker according to claim 1, characterized in that: one end of the breaker body opposite to the wiring terminal is used as an operation end to be provided with an operation piece for driving the breaker to open and close, the other end of the breaker body is used as the wiring terminal to be provided with at least one pair of a first wiring socket (103) and a second wiring socket (104) which are arranged side by side, and the first wiring terminal (11) and the second wiring terminal (12) are correspondingly assembled in the first wiring socket (103) and the second wiring socket (104) respectively.

4. A circuit breaker according to claim 3, characterized in that: the circuit breaker body still includes operating device (14), contact mechanism (15), explosion chamber (16) and overload protection mechanism (18), operating device (14) and operating piece linkage, explosion chamber (16) are located one side near the wiring end, contact mechanism (15) set up between operating device (14) and explosion chamber (16), overload protection mechanism (18) set up along one side of explosion chamber (16), first slot is located circuit breaker body one side of next-door neighbour first binding post (11) and is relative with connecting conducting plate (19) between first binding post (11) and overload protection mechanism (18).

5. The circuit breaker according to claim 1, characterized in that: the first slot and the second slot are open slots, the first transmission module (31) is inserted in the first slot in a sliding way, or the first transmission module (31) is limited with the first slot in a sliding way, and the second transmission module (32) is inserted in the second slot in a sliding way, or the second transmission module (32) is limited with the second slot in a sliding way.

6. The circuit breaker according to claim 1, characterized in that: the control electrode (2) comprises a control circuit board (21), and the first transmission module (31) and the second transmission module (32) are respectively in plug-in fit with the control circuit board (21) to perform signal transmission.

7. The circuit breaker according to any one of claims 2-6, characterized in that: the circuit breaker body includes at least two circuit breaker poles (1) side by side, and every circuit breaker pole (1) is including looks extremely casing (10), and every looks extremely casing (10) one end all is equipped with the operating piece that is used for driving the circuit breaker divide-shut brake, and the other end all is provided with a pair of first binding post (11) and second binding post (12), the operating piece linkage of circuit breaker pole (1), control utmost point (2) are including control utmost point casing (20), and first breach (101) have been seted up respectively to the same side of all looks extremely casing (10) and control utmost point casing (20), are formed first slot by all first breach (101) intercommunication, and second breach (102) have been seted up respectively to the same end of all looks extremely casing (10) and control utmost point casing (20), are formed the second slot by all second breach (102) intercommunication.

8. The circuit breaker of claim 7, wherein: the first transmission module (31) comprises a first cover body (311) and a first circuit board (312) assembled in the first cover body (311), at least two first conductive parts (3121) at intervals are arranged on one side of the first circuit board (312) facing the breaker body, and the first conductive parts (3121) and the first gaps (101) are in one-to-one correspondence and are in elastic abutting connection with the first elastic conductive parts (41).

9. The circuit breaker of claim 8, wherein: one end of the first circuit board (312) is provided with a first plug (3122), the first plug (3122) is positioned at one side opposite to the first cover body (311) and is used for being spliced with the control circuit board (21) of the control electrode (2), and pins (3122 a) of the first plug (3122) are connected with the first conductive parts (3121) in a one-to-one correspondence manner.

10. The circuit breaker of claim 8, wherein: at least one side edge of the first cover body (311) protrudes to form a sliding part (3111), a sliding groove is arranged on at least one side wall of the first slot, and the sliding part (3111) is in sliding limit fit with the sliding groove, so that the first transmission modules (31) penetrating through all the circuit breaker poles (1) and the control poles (2) are limited in the first slot.

11. The circuit breaker of claim 8, wherein: the first notch (101) arranged on the circuit breaker pole (1) is communicated with the phase pole shell (10), one end of the first elastic conductive piece (41) stretches into the phase pole shell (10) to be elastically connected with the conductive plate (19) connected with the first wiring terminal (11), and the other end of the first elastic conductive piece (41) is elastically abutted with one first conductive part (3121).

12. The circuit breaker of claim 7, wherein: the second transmission module (32) comprises a second cover body (321) and a second circuit board (322) assembled in the second cover body (321), at least two spaced second conductive parts (3221) are arranged on one side, facing the second wiring terminal (12), of the second circuit board (322), and the second conductive parts (3221) and the second gaps (102) are in one-to-one correspondence and elastically abutted with the second elastic conductive pieces (42).

13. The circuit breaker according to claim 12, wherein: one side edge of the second cover body (321) protrudes outwards to form a protruding portion (3211), a buckle (3212) is arranged at the edge of the protruding portion (3211), and a clamping groove (1021) clamped with the buckle (3212) is formed in the second slot.

14. The circuit breaker according to claim 12, wherein: one end of the second circuit board (322) is provided with a second plug, the second plug is used for being spliced with the control circuit board (21) of the control electrode (2), and pins of the second plug are correspondingly connected with the second conductive parts (3221) one by one; alternatively, the second wiring board (322) is connected to the control wiring board (21) by a wire.

15. The circuit breaker according to claim 12, wherein: one of the circuit breaker poles (1) is an N pole, and the second circuit board (322) is not provided with a second conductive part (3221) in a second notch (102) area corresponding to the N pole.

16. The circuit breaker according to claim 12, wherein: the second notch (102) arranged on the circuit breaker pole (1) is communicated with the inside of the phase pole shell (10), the second elastic conductive piece (42) is rotationally assembled between the second wiring terminal (12) and the second notch (102), after the second wiring terminal (12) is plugged with the external conductive piece (5), the second wiring terminal (12) is elastically abutted with one end of the second elastic conductive piece (42), and the other end of the second conductive piece extends into the second notch (102) to be elastically abutted with one second conductive part (3221).

17. The circuit breaker according to claim 1 or 16, characterized in that: the first elastic conductive piece (41) and the second elastic conductive piece (42) are torsion springs assembled in a rotating mode.

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