CN117153636A - Handle mechanism and intelligent circuit breaker - Google Patents

Abstract

The application provides a handle mechanism and an intelligent circuit breaker, and relates to the technical field of piezoelectric devices, and the handle mechanism comprises: the handle connecting rod and the first handle and the second handle that are connected with handle connecting rod one end, first handle still is connected through the handle axle with the second handle, and the handle connecting rod other end is connected with operating device, and operating device drive is connected with first contact support and second contact support, and first handle and second handle pass through operating device and promote first contact support and second contact support to close or break a floodgate. The application provides a handle mechanism and an intelligent circuit breaker, which are used for solving the problems of larger occupied space and more parts of 1PN and 2P circuit breakers in the prior art.

Description

Handle mechanism and intelligent circuit breaker

Technical Field

The application relates to the technical field of piezoelectric devices, in particular to a handle mechanism and an intelligent circuit breaker.

Background

A circuit breaker is a switching device capable of closing, carrying and breaking a current under normal circuit conditions and capable of closing, carrying and breaking a current under abnormal circuit conditions for a prescribed time. The intelligent circuit breaker is one of the circuit breakers, the intelligent circuit breaker in the prior art collects current through a current transformer, a microprocessor receives a current signal collected by the current transformer, compares the collected current signal with a set value, and sends out an instruction to enable an electronic release to act so as to drive a mechanism to trip, so that various protections such as overload and overvoltage and undervoltage of the intelligent circuit breaker are achieved, wherein the overload is particularly achieved in an electronic overload protection mode.

In the prior art, a separate base, a cover plate, an operating system, a contact assembly and the like are arranged for each phase pole, and a plurality of short-circuiting devices are assembled in a use scene requiring a plurality of phase poles. However, when assembling, the contact assemblies and the handle mechanisms of two adjacent circuit breakers are positioned in the respective mounting grooves, the handles of the two circuit breakers are connected by adopting the linkage shaft to realize simultaneous closing or opening of the two circuit breakers, namely, the 1PN and 2P circuit breakers in the prior art are provided with two sets of handle mechanisms and operating systems, so that the space occupied by the circuit breakers is larger, and the number of parts is more.

Disclosure of Invention

The application aims to overcome the defects in the prior art, and provides a handle mechanism and an intelligent circuit breaker, so as to solve the problems that 1PN and 2P circuit breakers in the prior art occupy larger space and have more parts.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the application is as follows:

in one aspect of an embodiment of the present application, there is provided a handle mechanism comprising: the handle connecting rod and the first handle and the second handle that are connected with handle connecting rod one end, first handle still is connected through the handle axle with the second handle, and the handle connecting rod other end is connected with operating device, and operating device drive is connected with first contact support and second contact support, and first handle and second handle pass through operating device and promote first contact support and second contact support to close or break a floodgate.

As an implementation mode, the operating mechanism comprises a tripping component, the handle connecting rod is connected with the tripping component through a sliding component, the sliding component comprises a connecting piece rotationally connected with the handle connecting rod and a handle sliding block connected with the connecting piece, and the handle sliding block drives the tripping component to close or open.

As an embodiment, the trip assembly includes a trip box and a sleeve sliding along a side wall of the trip box, a handle slider is in driving connection with the sleeve, a driving shaft of an operating mechanism is arranged in the sleeve, and the handle slider drives the driving shaft through the sleeve.

As an implementation mode, the driving end of the operating mechanism is provided with a contact push rod, the contact push rod is rotationally connected with the first contact support and the second contact support, and the contact push rod moves under the driving of the operating mechanism and drives the first contact support and the second contact support to rotate.

As an embodiment, the handle link, the first handle and the second handle are connected by a handle linkage shaft, which sequentially passes through the first handle, the handle link and the second handle, so that the handle link is disposed between the first handle and the second handle.

As an embodiment, the handle mechanism includes two handle links, both of which are disposed between the first handle and the second handle, and the two handle links are connected by a connecting piece.

As an embodiment, a middle cover is provided between the first handle and the second handle, the handle linkage shaft and the handle shaft pass through the middle cover, and an elastic member is provided between the first handle and the middle cover, and/or between the second handle and the middle cover, so that the first handle and/or the second handle are reset when the operating mechanism is opened.

As an embodiment, the first handle includes a first handle portion, the second handle includes a second handle portion, and the first handle portion and the second handle portion are both provided with an assembly hole for inserting the assembly shaft when assembling.

As an embodiment, the connecting piece includes two oppositely disposed connecting plates and a connecting shaft penetrating the connecting plates, and the end of the handle connecting rod is disposed between the two connecting plates and connected with the connecting shaft.

In another aspect of the embodiments of the present application, an intelligent circuit breaker is provided, including the handle mechanism described above.

The beneficial effects of the application include:

the present application provides a handle mechanism comprising: the handle connecting rod and the first handle and the second handle connected with one end of the handle connecting rod are connected through a handle shaft, when the first handle and the second handle rotate, the handle connecting rod is driven to move, the other end of the handle connecting rod is connected with an operating mechanism, the handle connecting rod is driven to move by the operating mechanism, the operating mechanism is driven to be connected with the first contact support and the second contact support, so that the first handle and the second handle push the first contact support and the second contact support to close or open through the operating mechanism.

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 view of a handle mechanism according to an embodiment of the present application;

FIG. 2 is an exploded view of one of the handle mechanisms provided in accordance with the embodiments of the present application;

FIG. 3 is a cross-sectional view of a handle mechanism according to an embodiment of the present application;

FIG. 4 is a second exploded view of a handle mechanism according to an embodiment of the present application;

FIG. 5 is a second schematic view of a handle mechanism according to an embodiment of the present application;

FIG. 6 is a third exploded view of a handle mechanism according to an embodiment of the present application;

FIG. 7 is a third schematic view of a handle mechanism according to an embodiment of the present application;

fig. 8 is a schematic structural view of a handle mechanism according to an embodiment of the present application.

Icon: 10-a handle mechanism; 11-a handle link; 111-a first handle; 112-a second handle; 113-a handle shaft; 114-a handle linkage shaft; 115-connecting piece; 116-first manual part; 117-a second manual part; 118-assembling the shaft; 119-assembling holes; 12-an operating mechanism; 121-trip assembly; 122-magnetic retention; 123-trip box; 124-sleeve; 125-a drive shaft; 131-a first contact holder; 132-a second contact holder; 14-a sliding assembly; 141-a connector; 142-handle slider; 143-connecting plates; 144-connecting shaft; 15-contact push rod; 16-middle cover; 17-elastic member.

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. It should be noted that, under the condition of no conflict, the features of the embodiments of the present application may be combined with each other, and the combined embodiments still fall within the protection scope of the present 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. Wherein the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

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.

An aspect of an embodiment of the present application provides a handle mechanism 10, as shown in FIG. 1, comprising: the handle connecting rod 11 and the first handle 111 and the second handle 112 that are connected with handle connecting rod 11 one end, first handle 111 still is connected through handle axle 113 with the second handle 112, and the handle connecting rod 11 other end is connected with operating device 12, and operating device 12 drive is connected with first contact support 131 and second contact support 132, and first handle 111 and second handle 112 promote first contact support 131 and second contact support 132 to close or break a floodgate through operating device 12.

The handle mechanism 10 of the embodiment of the application is applied to a 1PN or 2P circuit breaker, specifically, the handle mechanism 10 comprises a first handle 111 and a second handle 112, which are respectively used for manually opening or closing a P pole or an N pole, the first handle 111 and the second handle 112 are connected with one end of a handle connecting rod 11, the first handle 111 and the second handle 112 are also connected through a handle shaft 113, so that the first handle 111 and the second handle 112 can rotate around the handle shaft 113, the other end of the handle connecting rod 11 is also connected with an operating mechanism 12, the operating mechanism 12 is also connected with a first contact support 131 and a second contact support 132 in a driving manner, when the first handle 111 and the second handle 112 rotate around the handle shaft 113, the movement of the handle connecting rod 11 is driven, and the operating mechanism 12 is driven to act, so that the operating mechanism 12 drives the first contact support 131 and the second contact support 132 to close or open the circuit breaker.

According to the embodiment of the application, the first handle 111 and the second handle 112 are connected with one end of the handle connecting rod 11, so that the first handle 111 and the second handle 112 can drive the handle connecting rod 11 to move, the other end of the handle connecting rod 11 is connected with the operating mechanism 12, the operating mechanism 12 is in driving connection with the first contact support 131 and the second contact support 132, and the handle connecting rod 11 can realize the switching-on or switching-off of the two contact supports through one operating mechanism 12.

The present application provides a handle mechanism 10 comprising: the handle connecting rod 11 and the first handle 111 and the second handle 112 connected with one end of the handle connecting rod 11, the first handle 111 and the second handle 112 are also connected through the handle shaft 113, when the first handle 111 and the second handle 112 rotate, the handle connecting rod 11 is driven to move, the other end of the handle connecting rod 11 is connected with the operating mechanism 12, the handle connecting rod 11 moves to drive the operating mechanism 12 to move, the operating mechanism 12 is connected with the first contact support 131 and the second contact support 132 in a driving manner, so that the first handle 111 and the second handle 112 push the first contact support 131 and the second contact support 132 to close or open through the operating mechanism 12.

Alternatively, as shown in fig. 1 and 2, the operating mechanism 12 includes a trip assembly 121, the handle link 11 is connected to the trip assembly 121 through a sliding assembly 14, the sliding assembly 14 includes a connecting member 141 rotatably connected to the handle link 11, and a handle slider 142 connected to the connecting member 141, and the handle slider 142 drives the trip assembly 121 to close or open.

Specifically, when the first handle 111 and the second handle 112 rotate, one end of the handle connecting rod 11 is driven to rotate, and then the other end of the handle connecting rod 11 is driven to move, the handle connecting rod 11 is connected with the connecting piece 141 in a rotating manner, so that the connecting piece 141 moves linearly, and then the handle is driven to slide linearly, the handle sliding block 142 is connected with the tripping assembly 121, and the tripping assembly 121 is driven to close or open through the handle sliding block 142.

The embodiment of the application adopts the connecting piece 141 and the handle sliding block 142 to realize that the handle connecting rod 11 controls the tripping assembly 121 to switch on or off, and compared with the four-bar linkage and other rotation modes in the prior art, the embodiment of the application adopts the linear motion to drive the tripping assembly 121 to switch on or off, so that the occupied space is smaller, the space layout is more compact, and the small volume of the handle mechanism 10 is realized.

In one implementation of the embodiment of the present application, as shown in fig. 2 and 3, the trip assembly 121 includes a trip box 123 and a sleeve 124 sliding along a sidewall of the trip box 123, a handle slider 142 is drivingly connected to the sleeve 124, a driving shaft 125 of the operating mechanism 12 is disposed in the sleeve 124, and the handle slider 142 drives the driving shaft 125 through the sleeve 124.

The sleeve 124 is disposed on a sidewall of the trip box 123 and slidably connected to the sidewall of the trip box 123, such that the sleeve 124 moves linearly, and the sleeve 124 guides the handle slider 142 to move linearly along the sidewall of the trip box 123. The driving shaft 125 of the operating mechanism 12 extends into the sleeve 124, and when the handle sliding block 142 slides along the side wall of the trip box 123, the sleeve 124 is driven to move, and the sleeve 124 drives the driving shaft 125 to move, so that the first contact bracket 131 and the second contact bracket 132 are driven.

Specifically, the connection mode between the sleeve 124 and the trip box 123 is not limited in the embodiment of the present application, and as shown in fig. 2 and 3, for example, a sliding groove may be formed on a side wall of the trip box 123, a concave portion is formed on the sleeve 124 corresponding to the side wall of the sliding groove, and the side wall of the sliding groove extends into the concave portion, so that the sleeve 124 slides in the sliding groove.

The connection mode between the sleeve 124 and the handle slider 142 is not limited in the embodiment of the present application, and by way of example, the handle slider 142 is provided with a connection hole, and the sleeve 124 extends into the connection hole, so that the handle slider 142 drives the sleeve 124 to move.

In practical applications, when the circuit breaker is controlled by electric operation, the circuit breaker generally includes a circuit board, the circuit board is connected to the operating mechanism 12, and the circuit board controls the opening and closing of the circuit breaker through the operating mechanism 12, and the operating mechanism 12 in the embodiment of the present application includes a magnetic holder 122 connected to the circuit board, where the magnetic holder 122 includes a push rod, and the push rod is connected to a driving shaft 125 of the operating mechanism 12.

Alternatively, as shown in fig. 2 and 3, the driving end of the operating mechanism 12 is provided with a contact push rod 15, the contact push rod 15 is rotationally connected with the first contact bracket 131 and the second contact bracket 132, and the contact push rod 15 is driven by the operating mechanism 12 to move and drive the first contact bracket 131 and the second contact bracket 132 to rotate.

The contact push rod 15 is arranged at the driving end of the operating mechanism 12, the operating mechanism 12 drives the contact push rod 15 to move, the contact push rod 15 is rotationally connected with the first contact support 131 and the second contact support 132, so that the first contact support 131 and the second contact support 132 are driven to rotate when the contact push rod 15 of one operating mechanism 12 moves, namely, one operating mechanism 12 corresponds to one contact push rod 15, one contact push rod 15 can realize the rotation of two contact supports, the opening or closing of a short-circuiting device is realized, and the number of parts and occupied space of the handle mechanism 10 are reduced.

In one possible implementation of the embodiment of the present application, as shown in fig. 5, the handle link 11, the first handle 111, and the second handle 112 are connected by a handle linkage shaft 114, and the handle linkage shaft 114 sequentially passes through the first handle 111, the handle link 11, and the second handle 112, so that the handle link 11 is disposed between the first handle 111 and the second handle 112.

When the first handle 111 and the second handle 112 are driven to rotate, the handle connecting rod 11 is driven to move, in order to facilitate connection of the handle connecting rod 11 with the first handle 111 and the second handle 112, a handle linkage shaft 114 is arranged, and the handle linkage shaft 114 sequentially penetrates through the first handle 111, the handle connection and the second handle 112, so that when the first handle 111 and the second handle 112 rotate, the handle linkage shaft 114 is driven to rotate, and then the end part of the handle connecting rod 11 is driven to rotate. The handle link 11 is disposed between the first handle 111 and the second handle 112 such that the distance between the end of the handle link 11 and the first handle 111 and the second handle 112 is equal, thereby enabling to improve the stability when the handle link 11 moves.

Alternatively, as shown in fig. 4 and 5, the handle mechanism 10 includes two handle links 11, both handle links 11 being disposed between the first handle 111 and the second handle 112, both handle links 11 being connected by a connecting piece 115.

In order to further improve stability when handle connecting rod 11 moves, set up two handle connecting rods 11 between first handle 111 and second handle 112, one handle connecting rod 11 is close to first handle 111, and another handle connecting rod 11 is close to second handle 112, and two handle connecting rods 11 pass through connection piece 115 and connect for two handle connecting rods 11 are as a whole, have increased the atress scope of handle connecting rod 11, make the thrust that handle connecting rod 11 received can disperse, thereby improve stability when handle connecting rod 11 moves.

Since both ends of the handle link 11 are rotatably connected, the connecting piece 115 may be disposed at a middle position of the handle link 11 in order to avoid an influence of rotation of the connecting piece 115.

In one possible implementation of the embodiment of the present application, as shown in fig. 7 and 8, a middle cover 16 is disposed between the first handle 111 and the second handle 112, a handle linkage shaft 114 and a handle shaft 113 pass through the middle cover 16, and an elastic member 17 is disposed between the first handle 111 and the middle cover 16, or between the second handle 112 and the middle cover 16, so that the first handle and/or the second handle are reset when the operating mechanism 12 is disconnected.

Besides the switch-on or switch-off of the circuit breaker by rotating the first handle 111 and the second handle 112, the switch-on or switch-off of the circuit breaker can be realized by adopting an electric operation mode, and the switch-off of the circuit breaker can be realized by adopting electric leakage protection, when an operating system of the circuit breaker is controlled by adopting the electric operation mode or the electric leakage protection to switch off, the first handle 111 and the second handle 112 rotate to a switch-off position through the elastic piece 17, specifically, a middle cover 16 is arranged between the first handle 111 and the second handle 112, an elastic piece 17 is arranged between the first handle 111 and the middle cover 16, and/or between the second handle 112 and the middle cover 16, the elastic piece 17 is compressed when the operating mechanism 12 is switched on, so that after the operating mechanism 12 controls the switch-off of the operating system, the first handle 111 or the second handle 112 can rotate to the switch-off position under the potential energy of the elastic piece 17, and the reset of the first handle 111 or the second handle 112 is realized.

It should be appreciated by those skilled in the art that the circuit breaker further includes a base and an end cover, the base and the end cover are respectively fastened by two sides of the middle cover 16, so as to implement wrapping of the handle mechanism 10, according to the layout in the handle mechanism 10, the elastic member 17 may also be disposed between the first handle 111 and the base or the end cover, and the elastic member 17 may also be disposed between the second handle 112 and the base or the end cover, so that the first handle 111 and the second handle 112 can both squeeze the elastic member 17 in the closing position, so that the elastic member 17 is compressed, and after the operating mechanism 12 is opened, the second handle 112 and the second handle 112 can both receive the elastic force of the elastic member 17 when the potential energy is released, so as to reset.

Alternatively, as shown in fig. 4, the first handle 111 includes a first manual operation portion 116, the second handle 112 includes a second manual operation portion 117, and each of the first and second manual operation portions 116 and 117 is provided with a fitting hole 119 for inserting a fitting shaft 118 when fitting.

The first handle 111 includes a first manipulation portion 116, the second handle 112 includes a second manipulation portion 117, the first and second manipulation portions 116 and 117 are used for applying force to an operator when the first or second handles 111 and 112 are manipulated, and the first and second manipulation portions 116 and 117 may be protrusions protruding outward, so that the moment is increased and the operator can conveniently operate the device.

To further facilitate the operation of the first and second handles 111, 112 by the operator, as shown in fig. 4, lines may be provided on the first and second manual portions 116, 117 to increase the friction force of the first and second manual portions 116, 117.

Wherein, when the first handle 111 and the second handle 112 need to be assembled, an assembling hole 119 is provided in the first handle 116 and the second handle 117, and an assembling shaft 118 is inserted into the assembling hole 119, so that the first handle 116 and the second handle 117 are connected into a whole, on one hand, the strength of the first handle 116 and the second handle 117 is increased, and the first handle 116 and the second handle 117 are not easy to be damaged; on the other hand, the synchronism of the first and second manual operation portions 116 and 117 is increased, so that the first and second manual operation portions 116 and 117 are rotated simultaneously, which causes the first and second handles 111 and 112 to be rotated simultaneously.

It should be noted that, the assembling hole 119 may be used to insert the assembling shaft 118 when assembling the first handle 111 and the second handle 112, so as to realize assembling the first handle 111 and the second handle 112; the assembly device can also be used for assembling a 1PN circuit breaker and a 1P circuit breaker or a 2P circuit breaker; the method can also be used for assembling 2P and 1P circuit breakers, 1PN circuit breakers or 2P circuit breakers.

In one possible implementation of the embodiment of the present application, as shown in fig. 6, the connecting member 141 includes two oppositely disposed connecting plates 143 and a connecting shaft 144 passing through the connecting plates 143, and the end of the handle link 11 is disposed between the two connecting plates 143 and connected to the connecting shaft 144.

The connecting piece 141 adopts two connecting plates 143, sets up the tip of handle connecting rod 11 between two connecting plates 143 for handle connecting rod 11 can stable drive connecting piece 141 motion, and connecting axle 144 passes connecting plate 143, handle connecting rod 11 and the connecting plate 143 of opposite side in proper order, realizes the rectilinear motion of connecting piece 141.

The embodiment of the application also discloses an intelligent circuit breaker which comprises the handle mechanism 10. The intelligent circuit breaker includes the same structure and advantages as the handle mechanism 10 in the previous embodiment. The structure and advantages of the handle mechanism 10 have been described in detail in the foregoing embodiments, and are not described in detail herein.

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 (9)

1. A handle mechanism, comprising: the handle connecting rod and with first handle and the second handle that handle connecting rod one end is connected, first handle with the second handle still is connected through the handle axle, the handle connecting rod other end is connected with operating device, operating device drive is connected with first contact support and second contact support, first handle with the second handle passes through operating device promotes first contact support with second contact support is closed or is split between the floodgate.

2. The handle mechanism of claim 1, wherein the operating mechanism comprises a trip assembly, the handle link is connected with the trip assembly through a sliding assembly, the sliding assembly comprises a connecting piece rotatably connected with the handle link, and a handle slider connected with the connecting piece, and the handle slider drives the trip assembly to close or open.

3. The handle mechanism of claim 2, wherein the trip assembly comprises a trip box and a sleeve that slides along a side wall of the trip box, the handle slide is drivingly connected to the sleeve, a drive shaft of the operating mechanism is disposed within the sleeve, and the handle slide drives the drive shaft through the sleeve.

4. The handle mechanism of claim 1, wherein the actuator drive end is provided with a contact push rod, the contact push rod is rotatably connected with the first contact support and the second contact support, and the contact push rod moves under the drive of the actuator and drives the first contact support and the second contact support to rotate.

5. The handle mechanism of claim 1, wherein the handle link, the first handle, and the second handle are connected by a handle linkage shaft that sequentially passes through the first handle, the handle link, and the second handle such that the handle link is disposed between the first handle and the second handle.

6. The handle mechanism according to claim 5, wherein a middle cover is provided between the first handle and the second handle, the handle linkage shaft and the handle shaft pass through the middle cover, and an elastic member is provided between the first handle and the middle cover, and/or between the second handle and the middle cover, so that the first handle and/or the second handle are reset when the operating mechanism is disconnected.

7. The handle mechanism of claim 1, wherein the first handle comprises a first handle portion and the second handle comprises a second handle portion, the first handle portion and the second handle portion each being provided with a split hole for inserting a split shaft when split.

8. The handle mechanism of claim 2, wherein the connecting member comprises two oppositely disposed connecting plates and a connecting shaft passing through the connecting plates, and wherein the end of the handle link is disposed between the two connecting plates and connected to the connecting shaft.

9. An intelligent circuit breaker comprising a handle mechanism as claimed in any one of claims 1 to 8.