CN222785235U - Dual-alarm electrical accessory for circuit breaker - Google Patents

Abstract

The utility model discloses a dual-alarm electrical accessory for a circuit breaker, comprising a shell, in which a handle assembly, a trigger block and a swing block are respectively rotated, the swing block is connected to the shell by a torsion spring, the swing block is connected to the handle assembly by a connecting rod, a trip button is rotated on one side of the swing block, and a locking block corresponding to the trip button is connected to the swing block; the utility model can connect two alarm indication circuits at the same time, effectively reducing the installation volume occupied by the circuit environment of the electrical accessories requiring two alarms, can provide dual alarm indication without increasing additional space, simplify installation and wiring, and improve the safety of the circuit connection environment to a certain extent, which not only meets the needs of dual alarms, but also maintains the compactness and neatness of the circuit system structure.

Description

Dual-alarm electrical accessory for circuit breaker

Technical Field

The utility model belongs to the technical field of accessories of circuit breakers, and particularly relates to a double-alarm electrical accessory for a circuit breaker.

Background

Circuit breaker electrical accessories are an integral part of the electrical system, which not only enhance the function of the circuit breaker, but also increase the safety and usability of the overall electrical system. The main responsibility of the circuit breaker alarming electrical accessory is to timely send out an audible and visual alarm when the circuit breaker is tripped due to overload, short circuit or other faults, so as to quickly attract the attention of operators, facilitate timely taking measures and avoid potential electrical fire or equipment damage.

In many circuit environments today, due to the requirement of circuit appliances, two circuit breaker alarm electrical accessories are needed for indication, and the traditional mode adopts parallel installation of the two circuit breaker alarm electrical accessories, so that some defects exist in practical application, for example:

1. The parallel installation of two circuit breaker alarm accessories can certainly increase the lateral space requirement of a power distribution cabinet or a control panel, which is an important problem for application scenes where space is limited or the optimization of layout is crucial;

2. Each time an accessory is added, extra wiring work is needed, so that not only are installation cost and time increased, but also the risk of wiring errors is increased, the reliability of a system is reduced, and the complicated wiring layout threatens the safe and stable operation of a circuit.

Disclosure of utility model

The utility model aims to provide a double-alarm electrical accessory for a circuit breaker, which solves the problems in the background art. The double-alarm electrical accessory for the circuit breaker has the characteristics of providing double alarm indication without increasing extra space, simplifying installation and wiring and improving the safety of a circuit connection environment to a certain extent.

The utility model provides a double-alarm electric accessory for a circuit breaker, which comprises a shell, wherein the side surface of the shell is connected with a cover plate, a handle assembly, a touch block and a swing block are respectively rotated in the shell, the swing block is arranged on one side of the handle assembly and is connected with the shell through a torsion spring, the swing block is connected with the handle assembly through a connecting rod, a jump buckle is rotated on one side of the swing block, a locking block corresponding to the jump buckle is connected on the swing block, the touch block is arranged above the swing block, an abutting block corresponding to the side edge of the touch block is arranged on the swing block, the touch block is also connected with the shell through a tension spring, and the double-alarm electric accessory further comprises a first connecting terminal, a second connecting terminal, a third connecting terminal, a fourth connecting terminal, a fifth connecting terminal and a sixth connecting terminal, wherein the first connecting terminal, the second connecting terminal and the third connecting terminal are arranged on one side of the shell, the fourth connecting terminal and the sixth connecting terminal are arranged on the other side of the shell, and two switching modules are further arranged on the other side of the shell.

In order to realize the test function, further, the handle assembly comprises a handle block, wherein the handle block is sleeved on a first shaft lever on the shell, a shifting handle is connected to the side face of the handle block, and a linkage pin is connected to the shifting handle.

In order to link with the breaker, further, a guide round block is arranged on the circumference of the handle block, and a guide block corresponding to the guide round block is arranged on the touch block. The jump button is connected with a linkage shaft.

Further, the switching module is a micro switch and/or a spring assembly.

In order to switch the on state of the alarm indication line, further, the contact arm of the micro switch is arranged corresponding to the end part of the touch block, and the public contact pin, the first contact pin and the second contact pin of the micro switch are respectively connected with the first wiring terminal, the second wiring terminal and the third wiring terminal or the fourth wiring terminal, the fifth wiring terminal and the sixth wiring terminal.

In order to switch the conducting state of the alarm indication circuit, the elastic piece assembly further comprises a first conductive block, a second conductive block and a conductive elastic piece, wherein the first conductive block and the second conductive block are oppositely arranged, the first conductive block is connected with a third wiring terminal or a fourth wiring terminal, the second conductive block is connected with the second wiring terminal or a fifth wiring terminal, one end of the conductive elastic piece is connected with the first wiring terminal or the sixth wiring terminal, and the other end of the conductive elastic piece is located between the first conductive block and the second conductive block.

In order to ensure the compactness of contact between the conductive elastic sheet and the first conductive block or the second conductive block, thereby avoiding poor contact, further, one end of the conductive elastic sheet, which is positioned between the first conductive block and the second conductive block, is connected with a conductive screw.

In order to improve the stability and safety of the electrical connection, further, the touch block is provided with a clamping groove, and the clamping groove is clamped at the outer side of the conductive elastic sheet.

In the utility model, the implementation method of the double-alarm electrical accessory for the circuit breaker comprises the following steps:

The first alarm indication line is connected with the first wiring terminal, the second wiring terminal and the third wiring terminal, and the second alarm indication line is connected with the fourth wiring terminal, the fifth wiring terminal and the sixth wiring terminal;

When the circuit breaker is switched on, the handle assembly drives the swinging block to rotate clockwise to a set position through the connecting rod, the jump buckle is locked with the locking block, the swinging block pushes the touch block to rotate clockwise to the set position through the abutting block, the touch block pushes the conductive elastic sheet to abut against the first conductive block, at the moment, the fourth wiring terminal and the sixth wiring terminal are in a conducting state;

When the breaker breaks down and needs to give an alarm, the jump buckle is forced to rotate and separate from the locking block, the swinging block is reset to the set position anticlockwise under the action of the torsion spring, the abutting block is separated from the touch block, the touch block is reset to the set position anticlockwise under the action of the tension spring, the touch block drives the conductive elastic sheet to abut against the second conductive block, at the moment, the fifth wiring terminal and the sixth wiring terminal are in a conducting state;

And fourthly, after the fault is removed, switching on the circuit breaker, and switching to the state in the second step.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model can be connected with two alarm indication circuits at the same time, effectively reduces the installation occupied volume of the circuit environment of two alarm electric accessories, can provide double alarm indication on the premise of not increasing extra space, simplifies installation and wiring, improves the safety of the circuit connection environment to a certain extent, meets the requirement of double alarm, and keeps the compactness and neatness of the circuit system structure;

2. the utility model is provided with the swinging block, when the breaker is switched on, the swinging block pushes the touch block to act, and after the switching on is completed, the touch block is limited, so that the stability of the touch block is ensured, and the fault rate is reduced;

3. the circumference of the handle block is provided with the guide round block, the touch block is provided with the guide block corresponding to the guide round block, the handle assembly is rotated, and the guide round block and the guide block are matched to realize the rotation of the touch block, so that the test function is realized;

4. the utility model can realize the switching of the conducting state of the circuit through the micro switch or the elastic sheet component, adopts the characteristics of high sensitivity and long service life of the micro switch, adopts the characteristics of good stability and low cost of the elastic sheet component, and increases the diversity of the alarming electrical accessories of the circuit breaker;

5. The conductive elastic sheet is connected with the conductive screw at one end between the first conductive block and the second conductive block, so that the contact tightness between the conductive elastic sheet and the first conductive block or the second conductive block is ensured, and the situation of poor contact can be avoided;

6. the touch block is provided with the clamping groove, and the clamping groove is clamped at the outer side of the conductive elastic sheet to push the conductive elastic sheet to smoothly switch between the first conductive block and the second conductive block, so that the conduction state of the alarm indication line is switched, and the stability and the safety of electrical connection are improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model with the cover plate removed;

FIG. 3 is a schematic view of the handle assembly and swing block connection of the present utility model;

FIG. 4 is a schematic view of the handle assembly of the present utility model;

FIG. 5 is a schematic view of the connection between the contact block and the swinging block according to the present utility model;

FIG. 6 is a schematic view of a touch block according to the present utility model;

FIG. 7 is a schematic diagram of the connection between the swing block and the jump buckle;

FIG. 8 is a schematic structural diagram of the connection between the spring assembly and the fourth, fifth and sixth terminals according to the present utility model;

FIG. 9 is a schematic view of a micro switch according to the present utility model;

FIG. 10 is a schematic view of the structure of the housing of the present utility model;

FIG. 11 is a schematic diagram of a jump button of the present utility model;

Fig. 12 is a schematic structural diagram of the connection of the micro switch with the first connection terminal, the second connection terminal and the third connection terminal according to the present utility model;

1, a shell, 2, a cover plate, 3, a handle assembly, 31, a handle block, 32, a shifting handle, 33, a linkage pin, 34, a guide round block, 4, a connecting rod, 5, a touch block, 51, a tension spring, 52, a clamping groove, 53, a guide block, 6, a swinging block, 61, an abutting block, 62, a locking block, 63, a torsion spring, 7, a trip button, 71, a linkage shaft, 8, a first connecting terminal, 9, a second connecting terminal, 10, a third connecting terminal, 11, a micro switch, 111, a contact arm, 112, a public contact pin, 113, a first contact pin, 114, a second contact pin, 12, a spring plate assembly, 121, a first conductive block, 122, a conductive screw, 123, a second conductive block, 124, a conductive spring plate, 13, a fourth connecting terminal, 14, a fifth connecting terminal, 15, a sixth connecting terminal, 16, a first shaft, 17 and a second shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-12, the utility model provides a double-alarm electrical accessory for a circuit breaker, which comprises a shell 1, wherein the side surface of the shell 1 is connected with a cover plate 2, a handle assembly 3, a touch block 5 and a swing block 6 are respectively rotated in the shell 1, the touch block 5 and the swing block 6 are respectively sleeved on a second shaft rod 17, wherein the swing block 6 is arranged on one side of the handle assembly 3, the swing block 6 is connected with the shell 1 through a torsion spring 63, the swing block 6 is connected with the handle assembly 3 through a connecting rod 4, a jump button 7 is rotated on one side of the swing block 6, a lock block 62 corresponding to the jump button 7 is connected on the swing block 6, the touch block 5 is arranged above the swing block 6, the swing block 6 is provided with an abutting block 61 corresponding to the side surface of the touch block 5, the touch block 5 is also connected with the shell 1 through a tension spring 51, the switch connection module further comprises a first connection terminal 8, a second connection terminal 9, a third connection terminal 10, a fourth connection terminal 13, a fifth connection terminal 14 and a sixth connection terminal 15, wherein the first connection terminal 8, the second connection terminal 9, the third connection terminal 10 and the other switch connection module 10 are arranged on the other side of the switch connection module 1 and the switch connection module 14.

By adopting the technical scheme, the circuit can be connected with two alarm indication circuits at the same time, the installation occupied volume of the circuit environment of two alarm electric accessories is effectively reduced, double alarm indication can be provided on the premise of not increasing extra space, the installation and wiring are simplified, the safety of the circuit connection environment is improved to a certain extent, the double alarm requirement is met, the compactness and the neatness of a circuit system structure are maintained, the swinging block 6 is arranged, when the circuit breaker is switched on, the swinging block 6 pushes the touch block 5 to act, the touch block 5 is limited after the switching on is completed, the stability of the touch block 5 is ensured, and the fault rate is reduced.

Specifically, the handle assembly 3 includes a handle block 31, wherein the handle block 31 is sleeved on the first shaft lever 16 on the housing 1, a shift lever 32 is connected to a side surface of the handle block 31, and a linkage pin 33 is connected to the shift lever 32. The snap 7 is connected with a coupling shaft 71.

By adopting the technical scheme, the circuit breaker is used for being linked with the circuit breaker.

Specifically, the switching module is a micro switch 11 and/or a spring assembly 12, and in this embodiment, the micro switch 11 and the spring assembly 12 are preferable.

Example 2

The embodiment is different from embodiment 1 in that specifically, a guiding round block 34 is arranged on the circumference of the handle block 31, and a guiding block 53 corresponding to the guiding round block 34 is arranged on the touch block 5.

By adopting the technical scheme, the handle assembly 3 is rotated, and the guide round block 34 and the guide block 53 are matched to realize the rotation of the touch block 5, so that the test function is realized.

Example 3

Specifically, the contact arm 111 of the micro switch 11 is disposed corresponding to the end of the touch block 5, and the common contact pin 112, the first contact pin 113 and the second contact pin 114 of the micro switch 11 are respectively connected to the first connection terminal 8, the second connection terminal 9 and the third connection terminal 10.

By adopting the above technical scheme, the conduction state among the first wiring terminal 8, the second wiring terminal 9 and the third wiring terminal 10 is switched by the micro switch 11.

Example 4

Specifically, the spring assembly 12 includes a first conductive block 121, a second conductive block 123 and a conductive spring 124, where the first conductive block 121 and the second conductive block 123 are disposed opposite to each other, the first conductive block 121 is connected to the fourth connecting terminal 13, the second conductive block 123 is connected to the fifth connecting terminal 14, one end of the conductive spring 124 is connected to the sixth connecting terminal 15, and the other end of the conductive spring 124 is located between the first conductive block 121 and the second conductive block 123.

By adopting the above technical scheme, the conductive spring piece 124 is matched with the first conductive block 121 and the second conductive block 123, so that the conduction states among the fourth wiring terminal 13, the fifth wiring terminal 14 and the sixth wiring terminal 15 are switched.

Specifically, a conductive screw 122 is connected to an end of the conductive spring 124 between the first conductive block 121 and the second conductive block 123.

By adopting the technical scheme, the compactness of contact between the conductive elastic sheet 124 and the first conductive block 121 or the second conductive block 123 is ensured, so that poor contact can be avoided.

Specifically, the touch block 5 is provided with a clamping groove 52, and the clamping groove 52 is clamped at the outer side of the conductive elastic sheet 124.

Through adopting above-mentioned technical scheme, through draw-in groove 52 card in the outside of electrically conductive shell fragment 124, promote electrically conductive shell fragment 124 smooth switching between first electrically conductive piece 121 and second electrically conductive piece 123, and then switch the on state of warning instruction circuit, promoted electrical connection's stability and security.

Example 5

Further, the implementation method of the double-alarm electrical accessory for the circuit breaker comprises the following steps:

Firstly, connecting an alarm indication line I with a first wiring terminal 8, a second wiring terminal 9 and a third wiring terminal 10, and connecting an alarm indication line II with a fourth wiring terminal 13, a fifth wiring terminal 14 and a sixth wiring terminal 15;

When the circuit breaker is switched on, the handle assembly 3 drives the swinging block 6 to rotate clockwise to a set position through the connecting rod 4, the jump button 7 is locked with the locking block 62, the swinging block 6 pushes the touch block 5 to rotate clockwise to the set position through the abutting block 61, the touch block 5 pushes the conductive elastic sheet 124 to abut against the first conductive block 121, at the moment, the fourth connecting terminal 13 and the sixth connecting terminal 15 are in a conducting state, the touch block 5 is separated from the contact arm 111 of the micro switch 11, the common contact pin 112 and the second contact pin 114 of the micro switch 11 are conducted, and at the moment, the first connecting terminal 8 and the third connecting terminal 10 are in a conducting state;

when the breaker breaks down and needs to give an alarm, the jump button 7 is forced to rotate and separate from the locking block 62, the swinging block 6 is reset to the set position anticlockwise under the action of the torsion spring 63, the abutting block 61 is separated from the touching block 5, the touching block 5 is reset to the set position anticlockwise under the action of the tension spring 51, the touching block 5 drives the conductive elastic sheet 124 to abut against the second conductive block 123, at the moment, the fifth wiring terminal 14 and the sixth wiring terminal 15 are in a conducting state, the touching block 5 abuts against the contact arm 111 of the micro switch 11, the public contact pin 112 of the micro switch 11 is conducted with the first contact pin 113, at the moment, the first wiring terminal 8 and the second wiring terminal 9 are in a conducting state, and the alarm indication line I and the alarm indication line II are conducted;

And fourthly, after the fault is removed, switching on the circuit breaker, and switching to the state in the second step.

In summary, the utility model can connect two alarm indication lines at the same time, effectively reduce the installation occupation volume of the circuit environment of two alarm electric accessories, provide double alarm indication without increasing extra space, simplify installation and wiring, and improve the safety of the circuit connection environment to a certain extent, thereby meeting the requirement of double alarm, and keep the compactness and neatness of the circuit system structure, the utility model sets the swinging block 6, pushes the touch block 5 to act through the swinging block 6 when the breaker is closed, limits the touch block 5 after closing, ensures the stability of the touch block 5, reduces the failure rate, sets the guide round block 34 on the circumference of the handle block 31, sets the guide block 53 corresponding to the guide round block 34 on the touch block 5, rotates the handle assembly 3, and the guide round block 34 and the guide block 53 cooperate to realize the rotation of the touch block 5, thereby realizing the test function, the utility model can switch the conducting state of the line through the micro switch 11 or the micro switch assembly 12, adopts the characteristics of high sensitivity and long service life of the micro switch 11, adopts the characteristics of good stability and low cost of the micro switch 11, and the utility model can be contacted with the first conductive clip 124 and the second conductive clip 124 on the conductive clip 124, and the conductive clip 124 is arranged on the conductive clip 124, and the conductive clip 124 is further contacted with the first conductive clip 124 and the conductive clip 124, the conductive clip 124 is arranged on the conductive clip 124, and the conductive clip 124 is contacted with the second conductive clip 124, the stability and the safety of the electrical connection are improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The double-alarm electrical accessory for the circuit breaker is characterized by comprising a shell, wherein the side surface of the shell is connected with a cover plate, a handle assembly, a touch block and a swing block are respectively rotated in the shell, the swing block is arranged on one side of the handle assembly, the swing block is connected with the shell through a torsion spring and is connected with the handle assembly through a connecting rod, a jump buckle is rotated on one side of the swing block, a locking block corresponding to the jump buckle is connected on the swing block, the touch block is arranged above the swing block, an abutting block corresponding to the side edge of the touch block is arranged on the swing block, and the touch block is connected with the shell through a tension spring;

The novel electric power connector further comprises a first wiring terminal, a second wiring terminal, a third wiring terminal, a fourth wiring terminal, a fifth wiring terminal and a sixth wiring terminal, wherein the first wiring terminal, the second wiring terminal and the third wiring terminal are arranged on one side of the shell, and the fourth wiring terminal, the fifth wiring terminal and the sixth wiring terminal are arranged on the other side of the shell;

The switching device further comprises two switching modules, wherein one switching module is connected with the first wiring terminal, the second wiring terminal and the third wiring terminal, and the other switching module is connected with the fourth wiring terminal, the fifth wiring terminal and the sixth wiring terminal.

2. The dual alarm electrical accessory for a circuit breaker of claim 1, wherein the handle assembly comprises a handle block, wherein the handle block is sleeved on the first shaft lever on the housing, a shifting handle is connected to the side surface of the handle block, and a linkage pin is connected to the shifting handle.

3. A dual alarm electrical accessory for a circuit breaker as in claim 2 wherein the handle block has a guide knob on its circumference and the trigger block has a guide block corresponding to the guide knob.

4. A dual alarm electrical accessory for a circuit breaker as in claim 1 wherein the trip button is coupled to a linkage shaft.

5. A dual alarm electrical accessory for a circuit breaker as in claim 1 wherein the switching module is a micro switch and/or a dome assembly.

6. A dual alarm electrical accessory for a circuit breaker as in claim 5 wherein the contact arms of the micro-switch are disposed opposite the ends of the contact blocks and the common contact leg, the first contact leg and the second contact leg of the micro-switch are connected to the first terminal, the second terminal and the third terminal or the fourth terminal, the fifth terminal and the sixth terminal, respectively.

7. The dual-alarm electrical accessory for a circuit breaker of claim 5, wherein the spring assembly comprises a first conductive block, a second conductive block and a conductive spring, wherein the first conductive block and the second conductive block are arranged opposite to each other, the first conductive block is connected with a third wiring terminal or a fourth wiring terminal, the second conductive block is connected with the second wiring terminal or a fifth wiring terminal, one end of the conductive spring is connected with the first wiring terminal or the sixth wiring terminal, and the other end of the conductive spring is positioned between the first conductive block and the second conductive block.

8. A dual alarm electrical accessory for a circuit breaker as in claim 7 wherein the conductive spring is connected with a conductive screw at one end between the first and second conductive blocks.

9. The double alarm electrical accessory for the circuit breaker according to claim 7, wherein the touch block is provided with a clamping groove, and the clamping groove is clamped on the outer side of the conductive elastic sheet.