CN211980541U

CN211980541U - Transmission mechanism for multiple control and fault protection opening and closing

Info

Publication number: CN211980541U
Application number: CN202021092352.1U
Authority: CN
Inventors: 李小明; 叶志伟; 郑才生; 张建光; 李涛; 熊佳婕
Original assignee: Jiangxi Mingzheng Intelligent Electrical Co ltd
Current assignee: Jiangxi Mingzheng Intelligent Electrical Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-11-20
Anticipated expiration: 2030-06-15

Abstract

The utility model relates to the technical field of electricity utilization intellectualization, in particular to a transmission mechanism of a multi-control and fault protection opening and closing brake; the circuit breaker assembling mechanism comprises a permanent magnet synchronous motor, wherein an output shaft of the permanent magnet synchronous motor is connected with a worm wheel, the worm wheel is meshed with a transmission gear, the transmission gear is meshed with a gear boss, the gear boss is in transmission connection with a Z-shaped connecting rod, a circuit breaker assembling needle is touched when the Z-shaped connecting rod moves forwards, and the circuit breaker assembling needle moves forwards to drive a circuit breaker body to be tripped and disconnected; the utility model discloses realize separating brake and combined floodgate under remote control or cell-phone APP mode, can realize separating brake under the circuit fault condition, the automatic combined floodgate that realizes under the fault recovery normal condition, under the electronic or manual control mode on the spot, can realize separating brake and combined floodgate; the structure is simple, and the assembly is convenient; the utility model discloses with low costs, the reliability is high, has very strong practicality.

Description

Transmission mechanism for multiple control and fault protection opening and closing

Technical Field

The utility model relates to an intelligent technical field of power consumption, concretely relates to drive mechanism of multiple control and fault protection divide-shut brake.

Background

Along with the increasing importance of our country to the construction of intelligent power distribution network to and the rapid development of modern computer information technology, the development and the perfection of intelligent power distribution system have been promoted to the emerging of internet of things, therefore possess the intelligent block terminal equipment of internet of things technique and be exactly the important basis of intelligent power distribution network. The system has the functions of short-circuit protection, overcurrent protection, overload protection, overpower setting and protection, overtemperature protection, leakage protection, surge protection, overvoltage and undervoltage protection, fault arc protection, metering, remote mobile phone APP control and the like.

The intelligent power consumption monitoring platform system is based on an intelligent control system design concept of power consumption safety, equipment management and humanized operation, and has the functions of intelligent monitoring, real-time monitoring and centralized monitoring, wherein the intelligent monitoring, real-time monitoring and centralized monitoring are realized through the singlechip control and network remote control and sensor environment parameter reading. The digital research development and the popularization and the application of the intelligent power distribution and utilization system in China are promoted.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a not enough to prior art, the utility model discloses a drive mechanism of multiple control and fault protection divide-shut brake for it is single to solve the traditional product function of contact, and lacks remote control, at any time monitors the problem that has electric safety function at will.

The utility model discloses a following technical scheme realizes:

the utility model discloses a drive mechanism of multiple control and fault protection divide-shut brake, including PMSM, PMSM's output shaft worm wheel, worm wheel and drive gear meshing, drive gear passes through the square shaft setting on the shell, drive gear meshing gear boss, Z shape connecting rod is connected in the gear boss transmission, touching circuit breaker concatenation needle when Z shape connecting rod antedisplacement, the circuit breaker is assembled the needle and is driven the circuit breaker body dropout disconnection to the forward motion.

Furthermore, the number of the gears is more than 3, and the gears are meshed with each other.

Furthermore, the permanent magnet synchronous motor comprises a breaker handle driving gear, and under the remote control instruction, the permanent magnet synchronous motor controls the breaker body handle to be switched on through the breaker handle driving gear.

Furthermore, a push rod of the electromagnet release of the circuit breaker is connected with the force arm of the Z-shaped connecting rod, when residual current faults occur, the electromagnet release is triggered by an electronic circuit to be electrically released, and the push rod of the electromagnet release and the force arm of the Z-shaped connecting rod move upwards.

The utility model has the advantages that:

1. the utility model can realize remote and local opening and closing;

2. the utility model discloses can realize automatic and manual divide-shut brake

3. The utility model has simple structure and convenient assembly;

4. the utility model discloses with low costs, the reliability is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a transmission mechanism diagram of a multiple control and fault protection switching on and off;

fig. 2 is a diagram of a handle driving gear of a circuit breaker according to an embodiment of the present invention;

FIG. 3 is a diagram of a square shaft structure according to an embodiment of the present invention;

FIG. 4 is a view of the embodiment of the present invention with a boss gear structure;

FIG. 5 is a view of a Z-shaped connecting rod structure according to an embodiment of the present invention;

fig. 6 is a structure diagram of the gear transmission of the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

The embodiment discloses a transmission mechanism of multiple control and fault protection divide-shut brake as shown in fig. 1, including permanent magnet synchronous machine, permanent magnet synchronous machine's output shaft worm wheel, the worm wheel meshes with drive gear, drive gear passes through the square shaft setting on the shell, drive gear meshing gear boss (see fig. 4), Z shape connecting rod (see fig. 5) is connected in the transmission of gear boss, touching circuit breaker concatenation needle when Z shape connecting rod moves forward, circuit breaker concatenation needle forward motion drives circuit breaker body dropout disconnection. The number of the gears is more than 3, and the gears are meshed with each other.

As shown in fig. 2, the circuit breaker handle driving gear controls the circuit breaker body handle to close through the circuit breaker handle driving gear under the remote control instruction.

A push rod of an electromagnet release of the circuit breaker is connected with the force arm of the Z-shaped connecting rod, when residual current faults occur, the electromagnet release is triggered by an electronic circuit to be electrically released, and the push rod of the electromagnet release and the force arm of the Z-shaped connecting rod move upwards.

This embodiment realizes separating brake and combined floodgate under remote control or cell-phone APP mode, can realize separating brake in the circuit fault condition, and automatic realization combined floodgate under the fault recovery normal condition can realize separating brake and combined floodgate under electronic or the manual control mode on the spot.

Example 2

The reclosing transmission mechanism with residual current protection is disclosed in the embodiment, and the main working principle is as follows:

1) a drive source: the mechanism adopts a permanent magnet synchronous motor as a driving source.

2) The transmission mode is as follows: the mechanism adopts a worm gear transmission and a plurality of gear transmission modes (see figure 3).

3) The mechanism adopts a Hall driver and permanent magnet method as the driving position detection to realize the position confirmation of a program and the start and stop of the driving.

4) The opening mode of the driving circuit breaker body is as follows: one gear in the mechanism is provided with a boss, and a Z-shaped connecting rod is also designed in the transmission of the mechanism. In the mechanism transmission process, the gear boss pushes the Z-shaped connecting rod to transmit forwards, and when the Z-shaped connecting rod is contacted with the circuit breaker assembling needle, the gear boss further pushes the Z-shaped connecting rod to transmit forwards, so that the circuit breaker assembling needle also moves forwards, and the circuit breaker body is enabled to be tripped and disconnected.

5) The circuit breaker body closes a floodgate mode: the mechanism is independent and non-interfering between automatic switching-on and manual switching-off. Under the remote control instruction, the motor drives the gear mechanism to drive the breaker body handle to switch on.

6) Residual current fault protection implementation mode: the mechanism has an electromagnet release and a Z-shaped link. When residual current faults occur, the electronic circuit triggers the electromagnet release to be electrically tripped, a push rod of the electromagnet release and a force arm of the Z-shaped connecting rod move upwards, the other force arm of the Z-shaped connecting rod moves downwards, the Z-shaped connecting rod and the circuit breaker body are assembled to form a pin in the downward movement process, the circuit breaker assembling pin also moves forwards, and the circuit breaker body is enabled to be tripped and disconnected.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a drive mechanism of multiple control and fault protection divide-shut brake, its characterized in that, includes PMSM, PMSM's output shaft worm wheel, the worm wheel meshes with drive gear, drive gear passes through the square shaft setting on the shell, drive gear meshing gear boss, Z shape connecting rod is connected in the transmission of gear boss, touching circuit breaker concatenation needle when Z shape connecting rod antedisplacement, the circuit breaker is assembled the needle and is driven the circuit breaker body dropout disconnection to the forward motion.

2. The multiple control and failsafe switching on and off drive mechanism of claim 1, wherein the number of gears is greater than 3, and the gears are intermeshed.

3. The transmission mechanism for multiple control and fault protection switching on and off according to claim 1, comprising a reclosing mechanism, wherein the reclosing mechanism comprises a breaker handle driving gear, and under a remote control instruction, the permanent magnet synchronous motor controls the breaker body handle to be switched on through the breaker handle driving gear.

4. The multiple control and fault protection switching on/off actuator of claim 1, wherein the push rod of the electromagnetic release of the circuit breaker is connected to the force arm of the Z-shaped link, and when a residual current fault occurs, the electromagnetic release is electrically tripped by the triggering of the electronic circuit, and the push rod of the electromagnetic release moves upward in the direction of the force arm of the Z-shaped link.