CN117198822A - A circuit breaker accessory and circuit breaker - Google Patents
A circuit breaker accessory and circuit breaker Download PDFInfo
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- CN117198822A CN117198822A CN202210629537.9A CN202210629537A CN117198822A CN 117198822 A CN117198822 A CN 117198822A CN 202210629537 A CN202210629537 A CN 202210629537A CN 117198822 A CN117198822 A CN 117198822A
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Abstract
本申请公开了一种断路器附件及断路器，涉及低压电器技术领域，本申请的断路器附件，包括矩形壳体，设置于矩形壳体的端面的第一手柄和接线端子，第一手柄和接线端子分别位于矩形壳体沿长度方向的两侧端面，矩形壳体内设置有与第一手柄转动连接的第一操作机构，第一操作机构远离第一手柄的一侧还分别连接设置有报警组件和辅助开关组件，报警组件和辅助开关组件与接线端子电连接。本申请提供的断路器附件及断路器，断路器附件内部结构简练并且排布紧凑，在与断路器本体拼接面的面积内安装至少两组附件组件，能够配合断路器本体实现两种附加功能。
This application discloses a circuit breaker accessory and a circuit breaker, which relate to the technical field of low-voltage electrical appliances. The circuit breaker accessory of this application includes a rectangular housing, a first handle and a terminal provided on the end face of the rectangular housing. The first handle and The terminals are respectively located on both sides of the rectangular housing along the length direction. A first operating mechanism is provided in the rectangular housing and is rotationally connected to the first handle. The side of the first operating mechanism away from the first handle is also connected to an alarm component. and an auxiliary switch assembly, the alarm assembly and the auxiliary switch assembly are electrically connected to the terminal block. The circuit breaker accessories and circuit breaker provided by this application have a simple internal structure and a compact arrangement. At least two sets of accessory components are installed within the area of the splicing surface with the circuit breaker body, and can cooperate with the circuit breaker body to realize two additional functions.
Description
Technical Field
The application relates to the technical field of piezoelectric devices, in particular to a circuit breaker accessory and a circuit breaker.
Background
The circuit breaker is a switching device capable of closing, bearing and breaking current under normal loop conditions, along with rapid development of electric power and communication technology in China, increasingly high requirements are put forward on practicality, safety and reliability of terminal electrical equipment such as the circuit breaker, the conventional circuit breaker can not meet the requirements far away, in continuous research and development, the circuit breaker not only achieves new levels in aspects of miniaturization, intellectualization, reliability and the like, but also has a plurality of brand-new designs in structure, such as a common electric plug, the circuit breaker can be conveniently installed or withdrawn from a circuit, the circuit breaker can be locked in a stable working state in an installation position, and various requirements of intellectualization on power quality, automatic control and the like can be met.
The circuit breaker accessory is used as a derivative supplement of the circuit breaker function, a control means is added for the circuit breaker, the protection function is enlarged, the application range of the circuit breaker is wider, the protection function is more complete, the operation and installation modes are more, and the circuit breaker accessory becomes an integral part of the circuit breaker. In the circuit breaker accessories disclosed in the prior art, the internal structure of the circuit breaker accessory is complex, and only one group of accessory components can be installed in the area of the splicing surface of the circuit breaker body, so that a single accessory can only realize one specific additional function.
Disclosure of Invention
The application aims to provide a circuit breaker accessory and a circuit breaker, wherein the circuit breaker accessory is simple in internal structure and compact in arrangement, at least two groups of accessory components are arranged in the area of a splicing surface of a circuit breaker body, and two additional functions can be realized by matching with the circuit breaker body.
The embodiment of the application provides a circuit breaker accessory, which comprises a rectangular shell, a first handle and a wiring terminal, wherein the first handle and the wiring terminal are arranged on the end face of the rectangular shell, the first handle and the wiring terminal are respectively positioned on the end faces of the two sides of the rectangular shell along the length direction, a first operating mechanism which is rotationally connected with the first handle is arranged in the rectangular shell, one side, far away from the first handle, of the first operating mechanism is also respectively connected with an alarm assembly and an auxiliary switch assembly, and the alarm assembly and the auxiliary switch assembly are electrically connected with the wiring terminal.
As an implementation mode, the alarm assembly comprises an alarm contact seat propped against one end of a first operating mechanism, a first reset spring connected with the alarm contact seat and an alarm lock catch piece overlapped with the side face of the alarm contact seat, wherein the alarm lock catch piece is used for extending into the circuit breaker body to unlock when the circuit breaker body breaks down and breaks down, at least one group of first movable contact spring pieces are clamped on the alarm contact seat, a first fixed contact group is arranged on at least one side of the alarm contact seat along the width direction of the rectangular shell corresponding to each first movable contact spring piece, the first fixed contact comprises two first fixed contacts arranged along the length direction, the alarm contact seat moves along the length direction under the propping of the first operating mechanism and drives the first movable contact spring pieces to contact with the first fixed contacts, and the first fixed contacts and the first movable contact spring pieces are respectively electrically connected with wiring points of the wiring terminals.
As an implementation manner, the first operating mechanism comprises a first contact support, and an accessory jump fastener and an accessory lock fastener which are mutually buckled, wherein the accessory lock fastener is used for being linked with the breaker body lock fastener, the accessory lock fastener locks the state of the first contact support, and the accessory jump fastener is driven to collide with the alarm lock fastener so as to unlock the alarm lock fastener.
As an implementation mode, the auxiliary switch assembly comprises an auxiliary contact seat sleeved with the other end of the first operating mechanism and a second reset spring connected with the auxiliary contact seat, at least one group of second movable contact spring pieces are clamped on the auxiliary contact seat, a second fixed contact group is arranged at least on one side of the auxiliary contact seat along the width direction at intervals corresponding to each second movable contact spring piece, the second fixed contact group comprises two second fixed contacts arranged along the length direction, the auxiliary contact seat drives the second movable contact spring pieces to contact with the second fixed contacts under the supporting of the first operating mechanism, and the second fixed contacts and the second movable contact spring pieces are respectively electrically connected with wiring points of the wiring terminals.
As an implementation manner, the second moving contact spring piece includes a portion to be clamped and a contact portion vertically connected to an end portion of the portion to be clamped, the auxiliary contact seat clamps the portion to be clamped, and the contact portion is in contact with the second fixed contact.
As an implementation mode, the alarm contact seat comprises a first clamping part and first connecting parts located at two ends of the first clamping part, the first clamping part clamps a first movable contact spring sheet, the first connecting parts at two ends are respectively connected with a first reset spring and propped against a first operating mechanism, the first connecting parts further comprise lap joint surfaces lapped with alarm locking pieces, the clamping surfaces of the first clamping part are wavy surfaces, the auxiliary contact seat comprises a second connecting part and a second clamping part, the second clamping part clamps the to-be-clamped part, the second connecting part is connected with the second reset spring and propped against the other end of the first operating mechanism, and the clamping surfaces of the second clamping part are wavy surfaces.
As an implementation manner, the end face provided with the first handle is further provided with an indication hole, the inner side wall of the end face is further provided with an indication piece corresponding to the indication hole, the indication piece is connected with an indication piece connecting hole on the alarm contact seat, the indication piece connecting hole is formed in the first connecting portion, and the alarm contact seat moves to drive the indication piece to move and is visible through the indication hole.
As an implementation mode, through holes corresponding to the alarm locking pieces or the accessory locking pieces are formed in the end faces of the rectangular shell in the width direction, test buttons are arranged in the through holes, and the alarm locking pieces or the accessory locking pieces are touched by pressing the test buttons, so that the alarm locking pieces and the alarm contact base are tripped.
As an embodiment, the connection terminal includes a quick-plug connection terminal, and the connection terminal includes connection points respectively connected with the first fixed contact, the second fixed contact, the first moving contact spring and the second moving contact spring.
The embodiment of the application further provides a circuit breaker, which comprises a circuit breaker accessory and a circuit breaker body spliced with the circuit breaker accessory along the height direction of the circuit breaker accessory, wherein the circuit breaker body comprises a second shell, a second handle arranged on one side end surface of the second shell and a second operating mechanism arranged in the second shell, an alarm connecting hole and a lock catch linkage hole for penetrating an alarm lock catch piece and a lock catch linkage shaft are formed in the splicing surface of the circuit breaker body and the circuit breaker accessory, the second operating mechanism is connected with the first operating mechanism through the lock catch linkage shaft, the circuit breaker body breaks down to enable the second operating mechanism to rotate and drive the alarm lock catch piece to unlock, and the first operating mechanism feeds back the state of the circuit breaker body according to the state of the second operating mechanism.
As an implementation manner, the edge of the splicing surface of the circuit breaker accessory is provided with a clamping hook, the splicing surface of the circuit breaker body is correspondingly provided with a clamping hook hole groove, the clamping hook penetrates into the clamping hook hole groove to enable the circuit breaker accessory to be clamped with the circuit breaker body, the clamping hook is elastic plastic clamping hook, the clamping hook comprises an extending part perpendicular to the splicing surface and a clamping part which is arranged at the other end of the extending part and perpendicular to the extending part, the clamping part is clamped with the inner wall of the splicing surface of the circuit breaker body, and the clamping part is provided with an introduction angle.
As an implementation manner, the edge of the splicing surface of the circuit breaker accessory is further provided with a rotary latch hook rotating around the splicing surface, the splicing surface of the circuit breaker body is provided with a latch hook hole slot corresponding to the rotary latch hook, and the rotary latch hook rotates until the splicing surface of the circuit breaker body is clamped into the latch hook hole slot.
The beneficial effects of the embodiment of the application include:
the application provides a circuit breaker accessory, which comprises a rectangular shell, a first handle and a wiring terminal, wherein the first handle and the wiring terminal are arranged on the end face of the rectangular shell, the first handle and the wiring terminal are respectively positioned on the end faces of the rectangular shell on two sides in the length direction, a first operating mechanism which is rotationally connected with the first handle is arranged in the rectangular shell, when the first handle is switched on, the first operating mechanism is driven to rotate, one side of the first operating mechanism, which is far away from the first handle, is also respectively connected with an alarm assembly and an auxiliary switch assembly, the alarm assembly and the auxiliary switch assembly can be simultaneously driven to move when the first operating mechanism rotates, the alarm assembly and the auxiliary switch assembly are electrically connected with the wiring terminal, and state change signals are transmitted through the wiring terminal after the alarm assembly and the auxiliary switch assembly move. When laying, alarm component and auxiliary switch subassembly are connected with first operating device's both ends respectively, and alarm component and auxiliary switch subassembly lay side by side in one side that first operating device kept away from first handle for circuit breaker annex inner structure is concise and compact of arranging, and alarm component realizes alarm function, and auxiliary switch subassembly realizes the function of instructing circuit breaker annex break-make, makes the circuit breaker annex can cooperate the circuit breaker body to realize two kinds of additional functions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a circuit breaker accessory according to an embodiment of the present application;
fig. 2 is a schematic diagram of an internal structure of a circuit breaker accessory according to an embodiment of the present application;
FIG. 3 is a second block diagram of an internal circuit breaker accessory according to an embodiment of the present application;
fig. 4 is a schematic diagram of one of the internal structure of another circuit breaker accessory according to an embodiment of the present application;
FIG. 5 is a second block diagram of an internal circuit breaker accessory according to an embodiment of the present application;
FIG. 6 is a schematic structural diagram of an alarm assembly according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an auxiliary switch assembly according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a circuit breaker according to an embodiment of the present application;
Fig. 9 is a second schematic structural diagram of a circuit breaker according to an embodiment of the present application.
Icon: 100-breaker accessories; 110-a rectangular housing; 120-a first handle; 130-a wiring terminal; 140-a first operating mechanism; 141-a contact holder; 142-accessory locking piece; 143-accessory jump pieces; 150-an alarm assembly; 151-an alarm contact base; 1511-a first connection; 1512-a first clamp; 152-a first return spring; 153-a first moving contact spring; 154-a first stationary contact; 155-alarm locking piece; 160-an auxiliary switch assembly; 161-auxiliary contact pads; 1611-a second connection; 1612-a second clamping portion; 162-a second return spring; 163-a second moving contact spring plate; 164-a second stationary contact; 170-indicator; 180-test button; 200-a breaker body; 210-a second housing; 220-a second handle; 230-clamping hooks; 240-rotating shackle.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the product of this application is used, are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The circuit breaker accessory can increase the control means of the circuit breaker and expand the protection function, so that the application range of the circuit breaker body is wider. The existing breaker accessories are in a convex shape, are matched with the existing convex-shaped breaker body, are complex in internal structure, and can only be installed with a group of accessory components in the area of the splicing surface of the breaker body, so that a single accessory can only realize a specific additional function.
The application provides a circuit breaker accessory 100, as shown in fig. 1, 2 and 3, comprising a rectangular shell 110, a first handle 120 and a wiring terminal 130 which are arranged on the end surface of the rectangular shell 110, wherein the first handle 120 and the wiring terminal 130 are respectively positioned on the two side end surfaces of the rectangular shell 110 along the length direction (as shown in the direction A in fig. 1), a first operating mechanism 140 which is rotationally connected with the first handle 120 is arranged in the rectangular shell 110, one side of the first operating mechanism 140 away from the first handle 120 is also respectively connected with an alarm assembly 150 and an auxiliary switch assembly 160, and the alarm assembly 150 and the auxiliary switch assembly 160 are electrically connected with the wiring terminal 130.
The circuit breaker accessory 100 of the application is used for being spliced with the circuit breaker body 200 to form a circuit breaker, and the circuit breaker is inserted into a cabinet as a whole to form a switching device, so that the switching-off or switching-on of current under the normal loop condition is controlled. When the circuit breaker works, the circuit breaker accessory 100 and the circuit breaker body 200 are arranged in a linkage way, the circuit breaker accessory 100 and the circuit breaker body 200 are simultaneously switched on and current flows, so that the cabinet supplies power for a load, the circuit breaker accessory 100 and the circuit breaker body 200 are simultaneously switched off, the current is disconnected, and the cabinet stops supplying power for the load. In addition, the breaker body 200 matched with the breaker accessory 100 of the application is in a back-in and back-out form, the corresponding breaker accessory 100 is also in a back-in and back-out form, the end face of the wiring terminal 130 is arranged close to the cabinet, and the wiring terminal 130 is in signal connection with the cabinet so as to feed back the status signals of the alarm assembly 150 and the auxiliary switch assembly 160 to the cabinet.
As shown in fig. 2, when the circuit breaker is switched on, the first handle 120 rotates anticlockwise from top to bottom, and drives the first operating mechanism 140 to rotate clockwise, and the first operating mechanism 140 simultaneously drives the auxiliary switch assembly 160 and the alarm assembly 150 to move, so that the states of the auxiliary switch assembly 160 and the alarm assembly 150 are changed, and signals of the state change are transmitted to the connection terminal 130, and the connection terminal 130 outputs signals.
As shown in fig. 3, when the first handle 120 is opened, the first handle 120 rotates clockwise from bottom to top, driving the first operating mechanism 140 to rotate counterclockwise, the first operating mechanism 140 drives the auxiliary switch assembly 160 to move, the state of the auxiliary switch assembly 160 changes after moving, and the signal of the state change is transmitted to the connection terminal 130, and the connection terminal 130 outputs the signal.
When the breaker body 200 is in overcurrent, short circuit or overload, the breaker body 200 is opened to drive the alarm assembly 150 to move, the state of the alarm assembly 150 is changed, and a signal of the state change is transmitted to the connection terminal 130.
Wherein, the side of the first operating mechanism 140 far away from the first handle 120 is respectively connected with the alarm assembly 150 and the auxiliary switch assembly 160, when the circuit breaker is closed, the first operating mechanism 140 can drive the alarm assembly 150 and the auxiliary switch assembly 160 to move simultaneously when rotating, so that the internal structure of the circuit breaker accessory 100 is concise and the arrangement is compact.
In addition, in order to make the layout in the circuit breaker accessory 100 more compact, the alarm assembly 150 and the auxiliary switch assembly 160 may be connected to two ends of the first operating mechanism 140 on the side far away from the first handle 120, and the alarm assembly 150 and the auxiliary switch assembly 160 are disposed in parallel on the side of the first operating mechanism 140 far away from the first handle 120, so that the space in the rectangular housing 110 can be fully utilized, and the layout of each element is more compact.
The application provides a circuit breaker accessory 100, which comprises a rectangular shell 110, a first handle 120 and a wiring terminal 130 which are arranged on the end face of the rectangular shell 110, wherein the first handle 120 and the wiring terminal 130 are respectively positioned on the end faces of the rectangular shell 110 on two sides in the length direction, a first operating mechanism 140 which is rotationally connected with the first handle 120 is arranged in the rectangular shell 110, when the first handle 120 is switched on, the first operating mechanism 140 is driven to rotate, one side of the first operating mechanism 140 far away from the first handle 120 is also respectively connected with an alarm assembly 150 and an auxiliary switch assembly 160, when the first operating mechanism 140 rotates, the alarm assembly 150 and the auxiliary switch assembly 160 can be simultaneously driven to move, the alarm assembly 150 and the auxiliary switch assembly 160 are electrically connected with the wiring terminal 130, and a state change signal is transmitted through the wiring terminal 130 after the alarm assembly 150 and the auxiliary switch assembly 160 move. When laying, alarm assembly 150 and auxiliary switch subassembly 160 are connected with the both ends of first operating mechanism 140 respectively, and alarm assembly 150 and auxiliary switch subassembly 160 lay in parallel in one side that first operating mechanism 140 kept away from first handle 120 for circuit breaker annex 100 internal structure is concise and the compactness of arranging, and alarm assembly 150 realizes alarm function, and auxiliary switch subassembly 160 realizes the function of instructing circuit breaker annex 100 break-make, makes circuit breaker annex 100 can cooperate circuit breaker body 200 to realize two kinds of additional functions.
Alternatively, as shown in fig. 2, fig. 4 and fig. 6, the alarm assembly 150 includes an alarm contact base 151 abutting against one end of the first operating mechanism 140, a first return spring 152 connected to the alarm contact base 151, and an alarm locking piece 155 overlapping with a side surface of the alarm contact base 151, where the alarm locking piece 155 is used to extend into the breaker body 200 to unlock the breaker body 200 when the breaker body 200 breaks down and is separated from the switch, at least one set of first moving contact spring plates 153 is clamped on the alarm contact base 151, a first fixed contact set is disposed on at least one side of the alarm contact base 151 along the width direction of the rectangular housing 110 corresponding to each first moving contact spring plate 153, the first fixed contact set includes two first fixed contacts 154 arranged along the length direction, the alarm contact base 151 moves along the length direction under the abutting of the first operating mechanism 140, and drives the first moving contact spring plates 153 to contact with the first fixed contacts 154, and the first fixed contact springs 154 and the first moving contact spring plates 153 are respectively electrically connected with connection points of the connection terminals 130.
The alarm assembly 150 adopts a structure that the alarm contact seat 151 clamps the first movable contact spring plate 153, the alarm contact seat 151 is propped against the first operating mechanism 140, the structure is simplified, fewer elements are used, and the space utilization rate in the rectangular shell 110 can be improved.
In one implementation manner of the embodiment of the present application, as shown in fig. 7, the auxiliary switch assembly 160 includes an auxiliary contact seat 161 sleeved and held on the other end of the first operating mechanism 140, and a second return spring 162 connected to the auxiliary contact seat 161, at least one set of second movable contact spring pieces 163 is clamped on the auxiliary contact seat 161, a second fixed contact set is disposed on at least one side of the auxiliary contact seat 161 along the width direction corresponding to each second movable contact spring piece 163, the second fixed contact set includes two second fixed contacts 164 arranged along the length direction, the auxiliary contact seat 161 is sleeved and held by the first operating mechanism 140 to drive the second movable contact spring pieces 163 to contact with the second fixed contacts 164, and the second fixed contacts 164 and the second movable contact spring pieces 163 are respectively electrically connected with connection points of the connection terminals 130.
Specifically, when the circuit breaker is switched on, as shown in fig. 2, the first handle 120 is switched on, the first handle 120 rotates anticlockwise from top to bottom to drive the first operating mechanism 140 to rotate clockwise, the first operating mechanism 140 props against the alarm contact base 151 and the auxiliary contact base 161 to enable the alarm contact base 151 to move rightwards, the first movable contact spring 153 is clamped on the alarm contact base 151, and when the alarm contact base 151 moves rightwards, the first movable contact spring 153 is driven to move rightwards to enable the first movable contact spring 153 to contact with the first fixed contact 154 on the right side, the first fixed contact 154 on the right side and the first movable contact spring 153 are respectively electrically connected with a connecting point of the connecting terminal 130, and a connection point connected with the first fixed contact 154 on the right side is conducted with a connecting point connected with the first movable contact spring 153 to output a signal; meanwhile, as shown in fig. 4, under the supporting of the first operating mechanism 140, the auxiliary contact base 161 is clamped with the second moving contact spring 163, and the second moving contact spring 163 moves leftwards along with the auxiliary contact base 161, so that the second moving contact spring 163 contacts with the second static contact 164 on the left side, the second static contact 164 on the left side and the second moving contact spring 163 are respectively connected with the connection point of the connecting terminal 130, and a signal is conducted and output between the connection point connected with the second static contact 164 on the left side and the connection point connected with the second moving contact spring 163, at this time, the circuit breaker can be judged to be in a closing state according to the output signal of the connecting terminal 130 of the circuit breaker accessory 100, and no fault exists in the circuit breaker loop.
As shown in fig. 3, when an overcurrent, a short circuit or an overload occurs in the circuit, the circuit breaker body 200 is opened, the body trip member of the circuit breaker body 200 is unlocked from the body trip member, so that the body trip member rapidly rotates, at the moment of opening of the body trip member, the moment of inertia is large, the collision alarm trip member 155 stretches into the part of the circuit breaker body 200, so that the alarm trip member 155 is unlocked, the alarm trip member 155 withdraws the locking of the alarm contact base 151, the alarm contact base 151 moves leftwards under the abutting of the first return spring 152, the first movable contact spring 153 is clamped on the alarm contact base 151, the alarm contact base 151 drives the first movable contact spring 153 to move leftwards when moving leftwards, so that the first movable contact spring 153 contacts with the first fixed contact 154 on the left side, the first movable contact spring 153 on the left side is respectively electrically connected with the connection point of the connection terminal 130, the connection point connected with the first movable contact spring 153 is conducted between the connection point of the first movable contact spring 153, and a signal is outputted, and the output signal can be judged that the circuit breaker of the accessory 100 is in the state of opening the circuit breaker.
As shown in fig. 3 and 5, when the first handle 120 is opened, the first handle 120 rotates clockwise to the upper side to drive the first operating mechanism 140 to rotate anticlockwise, the first operating mechanism 140 releases the supporting of the auxiliary contact holder 161, the auxiliary contact holder 161 moves rightwards under the action of the reverse supporting force and the elastic force of the second return spring 162, the second moving contact spring 163 is clamped on the auxiliary contact holder 161, when the auxiliary contact holder 161 moves rightwards, the second moving contact spring 163 is driven to move rightwards, so that the second moving contact spring 163 contacts with the second fixed contact 164 on the right side, the second fixed contact 164 on the right side and the second moving contact spring 163 are respectively electrically connected with the connection point of the connecting terminal 130, and a connection point connected with the second fixed contact 164 on the right side is conducted with the connection point connected with the second moving contact spring 163 to output a signal, at this time, the circuit breaker can be judged to be in an opened state by the output signal of the circuit breaker accessory 100.
When the plurality of first movable contact spring plates 153 are clamped on the alarm contact base 151, the plurality of first movable contact spring plates 153 are arranged on the alarm contact base 151 at intervals along the length direction, at least one group of first fixed contact groups is arranged corresponding to each first movable contact spring plate 153, and the first fixed contact groups are arranged on one side or two sides of the alarm contact base, wherein each first fixed contact group comprises two first fixed contacts 154 arranged along the length direction. Similarly, when the plurality of second movable contact spring plates 163 are clamped on the auxiliary contact base 161, the plurality of second movable contact spring plates 163 are arranged on the auxiliary contact base 161 at intervals along the length direction, at least one group of second fixed contact groups is arranged corresponding to each second movable contact spring plate 163, and the second fixed contact groups are arranged on one side or two sides of the auxiliary contact groups, wherein each second fixed contact group comprises two second fixed contacts 164 arranged along the length direction.
In addition, in order to improve the contact stability between the first moving contact spring 153 and the first fixed contact 154, a silver point may be disposed on the side where the first fixed contact 154 contacts the first moving contact spring 153, and the first moving contact spring 153 contacts the silver point after moving, so as to improve the contact stability between the first moving contact spring 153 and the first fixed contact 154. The first moving contact spring 153 may be made of a high-elasticity copper material, so as to improve the contact stability between the first moving contact spring 153 and the first fixed contact 154 during opening.
It should be noted that, in order to improve stability of the movement of the alarm contact base 151, a sliding groove may be disposed at a position of the inner sidewall of the rectangular housing 110 corresponding to the alarm contact base 151, where the alarm contact base 151 moves in the sliding groove, so as to avoid that the first return spring 152 has a larger elastic force or the first operating mechanism 140 has a larger supporting force so that the alarm contact base 151 deviates from the movement track.
It should be further noted that, the number of the first fixed contact groups according to the embodiment of the present application is not limited, and a group may be disposed on any side of the alarm contact base 151, or a group may be disposed on two sides of the alarm contact base 151, which may be set by a person skilled in the art according to specific situations.
It should be noted that, in the embodiment of the present application, the alarm assembly 150 is illustrated by using one set of the first fixed contacts 154, the auxiliary switch assembly 160 is illustrated by using two sets of the second fixed contacts 164, however, the number of the sets of the fixed contacts is not limited to the embodiment of the present application, and the alarm assembly 150 may also be illustrated by using two sets of the fixed contacts, and the auxiliary switch assembly 160 may also be illustrated by using one set of the fixed contacts.
In one implementation manner of the embodiment of the present application, as shown in fig. 4 and 5, the first operating mechanism 140 includes a first contact support 141, and an accessory trip member 143 and an accessory latch member 142 that are mutually buckled, where the accessory latch member 142 is used to link with the breaker body latch member, the accessory latch member 142 locks the state of the first operating mechanism 140, and the accessory trip member 143 is driven to collide with the alarm latch member 155 to unlock the alarm latch member 155.
As shown in fig. 4, when the first handle 120 is switched on, the first handle 120 rotates anticlockwise from top to bottom, so as to drive the first operating mechanism 140 to rotate clockwise, the first operating mechanism 140 abuts against the alarm contact base 151, so that the alarm contact base 151 moves rightwards, the alarm contact base 151 clamps the first movable contact spring 153, when the alarm contact base 151 moves rightwards, the first movable contact spring 153 is driven to move rightwards, so that the first movable contact spring 153 contacts with the first fixed contact 154 on the right, the first fixed contact 154 on the right and the first movable contact spring 153 are respectively connected with the connection point of the connecting terminal 130, and a connection point connected with the first fixed contact 154 on the right and a connection point connected with the first movable contact spring 153 are conducted and output signals; meanwhile, as shown in fig. 4, under the supporting of the first operating mechanism 140, the auxiliary contact base 161 is clamped with the second moving contact spring 163, and the second moving contact spring 163 moves leftwards along with the auxiliary contact base 161, so that the second moving contact spring 163 contacts with the second static contact 164 on the left side, the second static contact 164 on the left side and the second moving contact spring 163 are respectively connected with the connection point of the connecting terminal 130, and a signal is conducted and output between the connection point connected with the second static contact 164 on the left side and the connection point connected with the second moving contact spring 163, at this time, the output signal of the circuit breaker accessory 100 can be used for judging that the circuit breaker is in a closing state and that no fault exists in the circuit breaker.
As shown in fig. 5, when overcurrent, short circuit or overload occurs in the loop, the body trip member of the circuit breaker body 200 is unlocked with the body trip member, the body trip member is coaxially arranged with the accessory trip member 142, the body trip member is unlocked to drive the accessory trip member 142 to be unlocked, when the accessory trip member 142 is unlocked, the accessory trip member 143 is unlocked and opened, at the moment of opening, the alarm trip member 155 is collided to unlock the alarm trip member 155, thereby locking the alarm contact seat 151 is removed, the alarm contact seat 151 moves leftwards under the supporting of the first return spring 152, the first movable contact spring 153 is clamped on the alarm contact seat 151, the alarm contact seat 151 moves leftwards when moving to drive the first movable contact spring 153 to move leftwards, so that the first movable contact spring 153 contacts with the first static contact 154 on the left side, the first static contact 154 on the left side and the first movable contact spring 153 are respectively connected with the connecting point of the connecting terminal 130, an output signal is conducted between the connecting point connected with the first movable contact spring 153, and the output signal of the circuit breaker 100 is in a state of opening the circuit breaker at this moment.
As shown in fig. 5, when the first handle 120 is opened, the first handle 120 rotates clockwise to the upper side to drive the first operating mechanism 140 to rotate anticlockwise, the first operating mechanism 140 releases the supporting of the auxiliary contact seat 161, the auxiliary contact seat 161 moves rightwards under the action of the reverse supporting force and the elastic force of the second return spring 162, the second moving contact spring 163 is clamped on the auxiliary contact seat 161, and when the auxiliary contact seat 161 moves rightwards, the second moving contact spring 163 is driven to move rightwards, so that the second moving contact spring 163 contacts with the second fixed contact 164 on the right side, the second fixed contact 164 on the right side and the second moving contact spring 163 are respectively connected with the connection point of the connecting terminal 130, an output signal is conducted between the connection point of the second fixed contact 164 on the right side and the connection point of the second moving contact spring 163, and at this time, the output signal breaker of the breaker accessory 100 is in an opening state.
Alternatively, as shown in fig. 7, the second movable contact spring 163 includes a portion to be clamped and a contact portion vertically connected to the portion to be clamped, where the auxiliary contact base 161 clamps the portion to be clamped, and the contact portion contacts the second fixed contact 164.
In order to enable the second movable contact spring 163 to contact the second fixed contact groups on both sides of the auxiliary contact base 161, the second movable contact spring 163 is configured to include a portion to be clamped and contact portions respectively connected perpendicularly to the portion to be clamped, and the contact portions on both ends are respectively connected to the second fixed contact groups on both sides.
In one implementation manner of the embodiment of the present application, as shown in fig. 6, the alarm contact base 151 includes a first connection portion 1511 and a first clamping portion 1512, the first clamping portion 1512 clamps the first moving contact spring 153, the first connection portion 1511 is connected with the first return spring 152 and abuts against the first operating mechanism 140, the first connection portion 1511 further includes a lap joint surface overlapping the alarm locking piece 155, the clamping surface of the first clamping portion 1512 is a wave surface, the auxiliary contact base 161 includes a second connection portion 1611 and a second clamping portion 1612, the second clamping portion 1612 clamps a portion to be clamped, the second connection portion 1611 is connected with the second return spring 162 and abuts against the other end of the first operating mechanism 140, and the clamping surface of the second clamping portion 1612 is a wave surface.
The clamping surface of the first clamping portion 1512 is a wave surface, so that interference and reliability of the alarm contact base 151 for clamping the first movable contact spring plate 153 can be increased, and clamping stability is improved. Similarly, the clamping surface of the second clamping portion 1612 is a wave surface, so that stability of the auxiliary contact base 161 for clamping the second movable contact spring piece 163 can be improved.
In addition, the alarm contact base 151 includes the first connection portion 1511 and the first clamping portion 1512, so that the elastic force of the first return spring 152 to the first connection portion 1511 does not affect the clamping of the alarm contact base 151 to the first movable contact spring piece 153. Similarly, the auxiliary contact base 161 includes a second connection portion 1611 and the second connection portion 1611 is also configured to improve the clamping of the auxiliary contact base 161 to the second movable contact spring piece 163.
Optionally, as shown in fig. 3, an indication hole is further formed in the end surface provided with the first handle 120, an indication piece 170 is further disposed on the inner side wall of the end surface corresponding to the indication hole, the indication piece 170 is connected with an indication piece connection hole on the alarm contact seat 151, the indication piece connection hole is formed in the first connection portion 1511, and the alarm contact seat 151 moves to drive the indication piece 170 to move and is visible through the indication hole.
As can be seen from the above description, the alarm assembly 150 plays a role in warning when the breaker body 200 is opened under the conditions of overcurrent, short circuit or overload, etc., the alarm assembly 150 outputs the opening signal to the cabinet through the connection terminal 130 by changing the state, and no obvious mark is provided on the breaker accessory 100, so that the opening signal is not easily found by an operator. In the embodiment of the application, an indication hole is further formed in the end face provided with the first handle 120, an indication piece 170 is further arranged on the inner side wall of the end face corresponding to the indication hole, the indication piece 170 is connected with the alarm contact seat 151, and the alarm contact seat 151 moves to drive the indication piece 170 to move and is visible through the indication hole. When the breaker accessory 100 triggers the opening under the conditions of overcurrent, short circuit, overload and the like of the breaker body 200, the alarm contact base 151 moves leftwards to drive the indicator 170 to rotate, and at the moment, the indicator 170 is visible through the indication hole, and an operator can easily find the indicator 170, so that an alarm effect is achieved.
In addition, in view of the positional relationship between the indicator 170 and the alarm contact base 151, in order to facilitate the movement of the alarm contact base 151 to drive the indicator 170 to move, in the embodiment of the present application, an indicator pull rod is disposed between the indicator 170 and the alarm contact base 151, so that the indicator 170 is connected to the alarm contact base 151 through the indicator pull rod, and an indicator connection hole is disposed on the first connection portion 1511 of the alarm contact base 151, one end of the indicator pull rod is connected to the indicator connection hole, and the other end is connected to the indicator 170, so that the indicator 170 is driven to rotate by the indicator pull rod when the alarm contact base 151 moves.
In one implementation manner of the embodiment of the present application, as shown in fig. 3, a through hole is provided on the end surface of the rectangular housing 110 in the width direction, corresponding to the alarm locking piece 155 or the accessory locking piece 142, a test button 180 is provided in the through hole, and pressing the test button 180 touches the alarm locking piece 155 or the accessory unlocking piece, so that the alarm assembly 150 is unlocked.
In order to test whether the function of the alarm assembly 150 of the circuit breaker accessory 100 is normal, that is, whether the first operating mechanism 140 of the circuit breaker accessory 100 is tripped and then the indicator 170 and the connecting terminal 130 can indicate that the circuit breaker accessory 100 is in a tripped state, a test button 180 is provided, specifically, as shown in fig. 5, a through hole is provided on the end face of the rectangular shell 110 in the width direction corresponding to the accessory latch 142, a test button 180 is provided in the through hole, the test button 180 corresponds to the accessory latch 142, the test button 180 is pressed to push the accessory latch 142 to trip, the first operating mechanism 140 of the circuit breaker accessory 100 trips, the accessory latch 143 collides with the alarm latch, the alarm latch rotates around a fixed column on the rectangular shell 110 to trip with the alarm contact base 151, the alarm contact base 151 moves under the action of a reset spring, the first moving contact 153 is driven by the alarm contact base 151 to contact with the first fixed contact 154 on one side in the moving process, a path is formed, a signal for disconnecting the circuit breaker accessory 100 is driven by the connecting terminal 130, and in addition, the alarm contact base 151 moves under the action of the reset spring to drive the indicator 170 to visually and indicate the state of the circuit breaker accessory 100 to disconnect. The principle of the corresponding arrangement of the through hole and the alarm locking piece 155 is the same as that of the corresponding arrangement of the through hole and the accessory locking piece 142, and the detailed description is omitted here.
When testing the function of the circuit breaker accessory 100, the test button 180 is pressed, and then the position of the indicator 170 and the signal at the connecting terminal 130 are observed, if both indicate that the circuit breaker accessory 100 is open, the circuit breaker accessory 100 is indicated to be able to work normally, if one or two of the circuit breaker accessories 100 are closed, the circuit breaker accessory 100 is indicated to be unable to work normally, and the circuit breaker accessory has failed and needs to be replaced. The provision of the test button 180 facilitates the operator to detect the performance of the circuit breaker accessory 100 and avoids adverse effects caused by the use of the circuit breaker accessory 100 after failure.
Optionally, as shown in fig. 1, 3, 4 and 5, the connection terminal 130 includes connection points respectively connected to the first fixed contact 154, the second fixed contact 164, the first moving contact spring plate 153 and the second moving contact spring plate 163, so as to implement real feedback of the internal signal.
The wiring terminal 130 adopts the quick-plug wiring terminal 130, so that the quick connection of a circuit can be realized, and compared with the wiring modes of screw wiring, spring plate wiring and the like in the prior art, the quick-plug wiring terminal 130 has small volume, and can transmit multiple groups of data, so that the volume of the circuit breaker accessory 100 is reduced.
In addition, the end surface of the connection point provided with the connection terminal 130 is concaved inwards to form a connection channel, and after the circuit breaker accessory 100 and the circuit breaker body 200 form a circuit breaker, when the circuit breaker accessory is connected with a cabinet, the connection channel can have a certain guiding function on a signal board arranged on the cabinet, so that the circuit breaker accessory is convenient to be connected with the connection terminal 130.
The embodiment of the application also discloses a circuit breaker, as shown in fig. 8 and 9, comprising a circuit breaker accessory 100 and a circuit breaker body 200 spliced with the circuit breaker accessory 100 along the height direction (such as the direction C in fig. 1) of the circuit breaker accessory 100, wherein the circuit breaker body 200 comprises a second shell 210, a second handle 220 arranged on one side end surface of the second shell 210 and a second operating mechanism arranged in the second shell 210, the splicing surface of the circuit breaker body 200 and the circuit breaker accessory 100 is provided with an alarm connecting hole and a lock catch linkage hole for penetrating through an alarm lock catch piece 155 and a lock catch linkage shaft, the second operating mechanism is connected with the first operating mechanism 140 through the operation linkage shaft, the circuit breaker body 200 is broken to enable the second operating mechanism to rotate and drive the alarm lock catch piece to unlock, and the first operating mechanism 140 feeds back the state of the circuit breaker body 200 according to the state of the second operating mechanism. The circuit breaker includes the same structure and advantages as the circuit breaker accessory 100 of the previous embodiment. The structure and advantages of the circuit breaker accessory 100 are described in detail in the foregoing embodiments, and are not described herein.
In one implementation manner of the embodiment of the present application, as shown in fig. 8, a hook 230 is disposed at an edge of a splicing surface of the circuit breaker accessory 100, a hole slot of the hook 230 is correspondingly disposed on the splicing surface of the circuit breaker body 200, the hook 230 penetrates into the hole slot of the hook 230 to enable the circuit breaker accessory 100 to be clamped with the circuit breaker body 200, the hook 230 is a plastic hook 230 with elasticity, the hook 230 includes an extension portion perpendicular to the splicing surface and a clamping portion disposed at the other end of the extension portion and perpendicular to the extension portion, the clamping portion is clamped with an inner wall of the splicing surface of the circuit breaker body 200, and an introduction angle is disposed at the clamping portion.
When the breaker body 200 and the breaker accessory 100 are spliced, the splicing surfaces of the breaker body 200 and the breaker accessory 100 are oppositely arranged and are close to each other, at this time, the side wall of the breaker accessory 100 is propped against the clamping part due to the arrangement of the clamping part, in the process of continuously approaching each other, the clamping hook 230 is outwards opened by the breaker accessory 100 due to the elasticity of the clamping hook 230 until the splicing surfaces of the breaker body 200 and the breaker accessory 100 are attached, the clamping hook 230 enters the hole groove of the clamping hook 230, and at this time, the clamping hook 230 is clamped with the side wall of the hole groove of the clamping hook 230 due to the elastic recovery of the elastic plastic clamping hook 230, so that the clamping connection of the breaker accessory 100 and the breaker body 200 is completed. Of course, when the hook 230 is inserted into the hole of the hook 230, the first operating mechanism 140 and the second operating mechanism are connected by the latch linkage shaft, and the second handle 220 and the first handle 120 are connected by the handle linkage shaft, so as to ensure that the breaker body 200 and the accessory can act in a linkage manner.
It should be noted that, the hook 230 and the hole slot of the hook 230 are mutually matched for use, and the specific setting positions of the hook 230 and the hole slot of the hook 230 are not limited herein, and the hook 230 may be set on the breaker body 200, and the corresponding hole slot of the hook 230 is set on the accessory.
The engaging portion is used for engaging with a side wall of the breaker accessory 100 to connect the breaker body 200 and the breaker accessory 100 in a clamping manner, and an introduction angle is provided at the engaging portion, so that the engaging portion is easier to penetrate into a hole slot of the hook 230. It should be noted that, the engaging portion is perpendicular to the connecting portion and faces the direction of the breaker accessory 100, and those skilled in the art should know that the lead-in angle should be the outside of the top card and the direction of the engaging portion, so that the engaging portion has a trend of increasing from outside to inside, and the engaging is easier. The edge of the lead-in angle can be arranged as a straight line or as an arc. That is, the lead-in angle may be a triangle-shaped unfilled angle or may be an unfilled angle of an arc surface.
It should be further noted that, the manner of splicing the breaker body 200 and the breaker accessory 100 is not limited to the manner of matching the hook 230 with the hole slot of the hook 230, and other splicing manners may be adopted, and by way of example, the manner of riveting may also be adopted, specifically, the splicing surface of the breaker accessory 100 is provided with a first rivet hole, and the splicing surface of the breaker body 200 is correspondingly provided with a second rivet hole, so that the breaker accessory 100 and the breaker body 200 are spliced by riveting the first rivet hole and the second rivet hole through the same rivet. Wherein, first rivet hole and second rivet hole are provided with two at least pairs, and every pair is through same root rivet riveting, realizes the assembly of circuit breaker annex 100 and circuit breaker body 200 to and the fastening of circuit breaker annex 100 and circuit breaker body 200 self.
In addition, in order to avoid rivet distortion when the breaker body 200 and the breaker accessory 100 are rivet-assembled, thereby causing assembly dislocation, a guide boss is further provided on the splicing surface of the breaker accessory 100, the splicing surface of the breaker body 200 is correspondingly provided with a guide groove, and the guide boss is inserted into the guide groove to fix the positions of the breaker accessory 100 and the breaker body 200. During assembly, the guide boss is inserted into the guide groove, so that the relative positions of the circuit breaker body 200 and the circuit breaker accessory 100 are fixed, and the rivet is prevented from being distorted when the circuit breaker body 200 and the circuit breaker accessory 100 are assembled by the rivet, so that assembly dislocation is caused, and the guide effect is realized. In order to fix the relative positions of the breaker body 200 and the breaker accessory 100, at least two pairs of guide bosses and guide grooves are required.
Optionally, as shown in fig. 9, an edge of the splicing surface of the circuit breaker accessory 100 is further provided with a rotating latch hook 240 that rotates around the splicing surface, the splicing surface of the circuit breaker body 200 is provided with a latch hook hole corresponding to the rotating latch hook 240, and the rotating latch hook 240 rotates until the splicing surface of the circuit breaker body 200 is snapped into the latch hook hole.
As can be seen from the above, in the manner that the hooks 230 are matched with the holes of the hooks 230, when the breaker accessory 100 needs to be replaced, the hooks 230 need to be manually opened outwards to separate the breaker accessory 100 from the breaker body 200, but the hooks 230 comprise a plurality of hooks 230, and the hooks 230 need to be manually opened outwards to separate the breaker body 200 from the breaker accessory 100, so that the separation of the breaker accessory 100 is not easy. When the connection between the breaker body 200 and the breaker accessory 100 needs to be removed, the rotary latch hook 240 is turned first, and then the contact lock is lifted upwards.
The connection between the hook 230 and the hole of the hook 230 is not easy to be removed, but the connection stability is high. The specific number and arrangement positions of the rotating latch hook 240 and the latch hook 230 are not limited in the present application, and may be exemplified by being arranged at two sides of the length direction of the splicing surface of the circuit breaker accessory 100, one side of the side is provided with one rotating latch hook 230 and one latch hook 230 at intervals, and the other side is provided with two latch hooks 230 at intervals, so that the difficulty of dismantling is reduced on the basis of ensuring the connection stability.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (12)
1. The utility model provides a circuit breaker annex (100), its characterized in that, including rectangle casing (110), set up in first handle (120) and binding post (130) of the terminal surface of rectangle casing (110), first handle (120) with binding post (130) are located respectively rectangle casing (110) are along length direction's both sides terminal surface, be provided with in rectangle casing (110) with first operating device (140) that first handle (120) rotate and be connected, one side that first operating device (140) kept away from first handle (120) still is connected respectively and is provided with alarm module (150) and auxiliary switch subassembly (160), alarm module (150) with auxiliary switch subassembly (160) with binding post (130) electricity is connected.
2. The circuit breaker accessory (100) of claim 1, wherein the alarm assembly (150) comprises an alarm contact base (151) abutted against one end of the first operating mechanism (140), a first return spring (152) connected with the alarm contact base (151), and an alarm locking piece (155) overlapped with the side surface of the alarm contact base (151), the alarm locking piece (155) is used for extending into the circuit breaker body (200) to unlock when the circuit breaker body (200) breaks down, at least one group of first movable contact spring pieces (153) is clamped on the alarm contact base (151), a first fixed contact group is arranged corresponding to each group of first movable contact spring pieces (153) on at least one side of the alarm contact base (151) along the width direction of the rectangular shell (110), the first fixed contact group comprises two first fixed contacts (154) arranged along the length direction, the alarm contact base (151) moves along the length direction under the abutting of the first operating mechanism (140) and drives the first movable contact spring pieces (153) to be in contact with the first fixed contact spring pieces (154), and the first movable contact spring pieces (153) are connected with the first fixed contact spring pieces (130).
3. The circuit breaker accessory (100) of claim 2, wherein the first operating mechanism (140) comprises a first contact holder (141) and an accessory jump button (143) and an accessory lock button (142) that are mutually fastened, the accessory lock button (142) being configured to be interlocked with a circuit breaker body lock button, the accessory lock button (142) locking the state of the first operating mechanism (140), the accessory jump button (143) being driven to collide with the alarm lock button (155) to unlock the alarm lock button (155).
4. A circuit breaker accessory (100) according to claim 2 or 3, wherein the auxiliary switch assembly (160) comprises an auxiliary contact seat (161) sleeved with the other end of the first operating mechanism (140) and a second return spring (162) connected with the auxiliary contact seat (161), at least one group of second movable contact spring pieces (163) is clamped on the auxiliary contact seat (161), a second fixed contact group is arranged on at least one side of the auxiliary contact seat (161) along the width direction corresponding to each group of second movable contact spring pieces (163), the second fixed contact group comprises two second fixed contacts (164) arranged along the length direction, the auxiliary contact seat (161) drives the second movable contact spring pieces (163) to be contacted with the second fixed contacts (164) under the supporting of the first operating mechanism (140), and the second fixed contacts (164) and the second movable contact spring pieces (163) are respectively electrically connected with connection points of the connection terminals (130).
5. The circuit breaker accessory (100) of claim 4, wherein the second moving contact spring (163) comprises a portion to be clamped and a contact portion perpendicularly connected to an end of the portion to be clamped, the auxiliary contact mount (161) clamping the portion to be clamped, the contact portion being in contact with the second stationary contact (164).
6. The circuit breaker accessory (100) of claim 5, wherein the alarm contact base (151) includes a first clamping portion (1512) and first connecting portions (1511) located at two ends of the first clamping portion (1512), the first clamping portion (1512) clamps the first moving contact spring piece (153), the first connecting portions (1511) at two ends are respectively connected with the first return spring (152) and abut against the first operating mechanism (140), the first connecting portions (1511) further include a lap joint surface overlapping the alarm locking piece (155), and the clamping surface of the first clamping portion (1512) is a wave surface; the auxiliary contact seat (161) comprises a second connecting portion (1611) and a second clamping portion (1612), the second clamping portion (1612) clamps the portion to be clamped, the second connecting portion (1611) is connected with the second return spring (162) and sleeved with the first operating mechanism (140) to be held, and the clamping surface of the second clamping portion (1612) is a wavy surface.
7. The circuit breaker accessory (100) of claim 6, wherein an indication hole is further formed in an end face provided with the first handle (120), an indication member (170) is further arranged on an inner side wall of the end face corresponding to the indication hole, the indication member (170) is connected with an indication member connection hole on the alarm contact base (151), the indication member connection hole is formed in the first connection portion (1511), and the movement of the alarm contact base (151) drives the indication member (170) to move and be visible through the indication hole.
8. The circuit breaker accessory (100) of claim 3, wherein a through hole is formed in the end face of the rectangular housing (110) in the width direction, corresponding to the alarm locking piece (155) or the accessory locking piece (142), a test button (180) is arranged in the through hole, and the test button (180) is pressed to touch the alarm locking piece (155) or the accessory locking piece (142), so that the alarm locking piece (155) is released from the alarm contact seat (151).
9. The circuit breaker accessory (100) of claim 4, wherein the terminal (130) comprises a quick-connect terminal (130), the terminal (130) comprising connection points for connection with the first stationary contact (154), the second stationary contact (164), the first moving contact spring (153) and the second moving contact spring (163), respectively.
10. A circuit breaker characterized by comprising the circuit breaker accessory (100) according to any one of claims 1-9 and a circuit breaker body (200) spliced with the circuit breaker accessory (100) along the height direction of the circuit breaker accessory (100), wherein the circuit breaker body (200) comprises a second shell (210), a second handle (220) arranged on one side end surface of the second shell (210) and a second operating mechanism arranged in the second shell (210), an alarm connecting hole and a lock linkage hole for penetrating an alarm lock catch piece (155) and a lock linkage shaft are formed in the splicing surface of the circuit breaker body (200) and the circuit breaker accessory (100), the first operating mechanism and the second operating mechanism are connected through the lock linkage shaft, the circuit breaker body (200) is disconnected by faults, so that the second operating mechanism rotates and drives the alarm lock catch piece (155) to unlock, and the first operating mechanism (140) feeds back the state of the circuit breaker (200) according to the state of the second operating mechanism.
11. The circuit breaker according to claim 10, wherein a hook (230) is provided at an edge of a splicing surface of the circuit breaker accessory (100), a hook (230) hole groove is provided on the splicing surface of the circuit breaker body (200), the hook (230) penetrates into the hook (230) hole groove to enable the circuit breaker accessory (100) to be clamped with the circuit breaker body (200), the hook (230) is a plastic hook (230) with elasticity, the hook (230) comprises a protruding portion perpendicular to the splicing surface and a clamping portion which is arranged at the other end of the protruding portion and perpendicular to the protruding portion, the clamping portion is clamped with an inner wall of the splicing surface of the circuit breaker body (200), and the clamping portion is provided with a lead-in angle.
12. The circuit breaker according to claim 10, characterized in that the edge of the mating face of the circuit breaker accessory (100) is further provided with a rotating latch hook (240) rotating around the mating face, the mating face of the circuit breaker body (200) is provided with a latch hook hole slot corresponding to the rotating latch hook (240), and the rotating latch hook (240) rotates until the mating face of the circuit breaker body (200) snaps into the latch hook hole slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629537.9A CN117198822A (en) | 2022-06-01 | 2022-06-01 | A circuit breaker accessory and circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210629537.9A CN117198822A (en) | 2022-06-01 | 2022-06-01 | A circuit breaker accessory and circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117198822A true CN117198822A (en) | 2023-12-08 |
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ID=88996632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210629537.9A Pending CN117198822A (en) | 2022-06-01 | 2022-06-01 | A circuit breaker accessory and circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN117198822A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118866620A (en) * | 2024-09-23 | 2024-10-29 | 浙江百事宝电器股份有限公司 | An auxiliary alarm structure suitable for hydraulic electromagnetic circuit breaker |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001160350A (en) * | 1999-12-06 | 2001-06-12 | Fuji Electric Co Ltd | Attached unit for circuit breaker |
| CN2696105Y (en) * | 2004-05-18 | 2005-04-27 | 天津市百利低压电器有限公司 | Plastic casing circuit breaker capable of assembling with multiple attachment |
| JP2005243264A (en) * | 2004-02-24 | 2005-09-08 | Mitsubishi Electric Corp | Circuit breaker accessory |
| CN102082046A (en) * | 2009-11-30 | 2011-06-01 | 上海永继电气有限公司 | Multifunctional circuit breaker accessory |
| CN212113598U (en) * | 2020-06-01 | 2020-12-08 | 乐清市一锦电子有限公司 | Auxiliary alarm integrated electrical accessory of circuit breaker |
| CN215527625U (en) * | 2021-07-26 | 2022-01-14 | 上海良信电器股份有限公司 | A circuit breaker accessory and circuit breaker |
| CN216288211U (en) * | 2021-07-16 | 2022-04-12 | 上海正泰智能科技有限公司 | Circuit breaker |
| CN217544505U (en) * | 2022-06-01 | 2022-10-04 | 上海良信电器股份有限公司 | Circuit breaker accessory and circuit breaker |
-
2022
- 2022-06-01 CN CN202210629537.9A patent/CN117198822A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001160350A (en) * | 1999-12-06 | 2001-06-12 | Fuji Electric Co Ltd | Attached unit for circuit breaker |
| JP2005243264A (en) * | 2004-02-24 | 2005-09-08 | Mitsubishi Electric Corp | Circuit breaker accessory |
| CN2696105Y (en) * | 2004-05-18 | 2005-04-27 | 天津市百利低压电器有限公司 | Plastic casing circuit breaker capable of assembling with multiple attachment |
| CN102082046A (en) * | 2009-11-30 | 2011-06-01 | 上海永继电气有限公司 | Multifunctional circuit breaker accessory |
| CN212113598U (en) * | 2020-06-01 | 2020-12-08 | 乐清市一锦电子有限公司 | Auxiliary alarm integrated electrical accessory of circuit breaker |
| CN216288211U (en) * | 2021-07-16 | 2022-04-12 | 上海正泰智能科技有限公司 | Circuit breaker |
| CN215527625U (en) * | 2021-07-26 | 2022-01-14 | 上海良信电器股份有限公司 | A circuit breaker accessory and circuit breaker |
| CN217544505U (en) * | 2022-06-01 | 2022-10-04 | 上海良信电器股份有限公司 | Circuit breaker accessory and circuit breaker |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118866620A (en) * | 2024-09-23 | 2024-10-29 | 浙江百事宝电器股份有限公司 | An auxiliary alarm structure suitable for hydraulic electromagnetic circuit breaker |
| CN118866620B (en) * | 2024-09-23 | 2025-03-21 | 浙江百事宝电器股份有限公司 | An auxiliary alarm structure suitable for hydraulic electromagnetic circuit breaker |
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