CN210925916U

CN210925916U - Electronic tripping device with alarm function

Info

Publication number: CN210925916U
Application number: CN201921952203.5U
Authority: CN
Inventors: 魏溧; 沈春燕; 武素莲
Original assignee: Hangzhou Zhijiang Switchgear Stock Co Ltd
Current assignee: Hangzhou Zhijiang Switchgear Stock Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-03
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to an electron trip gear especially relates to a take alarming function's electron trip gear, belongs to electric field. Including base, hasp, coil pack, alarm switch, gangbar, main spring, the base on be provided with and be the elasticity with the base and rotate the hasp of being connected, coil pack fix in the base, alarm switch install on the base, the gangbar pass through the main spring activity and set up on the base, the both sides of gangbar constitute and be used for actuating circuit breaker operating device's first boss and be used for realizing the second boss of linkage with alarm switch. The utility model discloses not only simple structure, with low costs, occupation space are little, and the good reliability moreover.

Description

Electronic tripping device with alarm function

Technical Field

The utility model relates to an electron trip gear especially relates to a take alarming function's electron trip gear, belongs to electric field.

Background

Circuit breakers are used in electrical power systems to distribute electrical energy for infrequent closing and opening under normal conditions and to protect lines and equipment from overloads, short circuits and undervoltages.

The electronic tripping device is an actuating mechanism for controlling the tripping of the circuit breaker by a controller of the circuit breaker. The alarm function of the circuit breaker is mainly used for feeding back a fault tripping signal of the circuit breaker and reminding central control room personnel or power maintenance personnel of tripping the circuit breaker in fault so that maintenance personnel can timely handle the circuit breaker and the continuity and the stability of power supply are improved.

At present, the traditional electronic tripping device is only used for executing fault tripping of the circuit breaker, and the alarm function of the circuit breaker is mainly realized by the form of installing an alarm module or an externally-hung circuit board module in the circuit breaker. The first form of internally mounted alarm module not only needs to occupy the position of an accessory cavity of the circuit breaker and reduces the mounting quantity of other accessories, but also has a complex structure and higher cost, and simultaneously has poor reliability due to the long size chain matched with the circuit breaker and the alarm module. The second form of the plug-in circuit board module not only occupies the external space of the circuit breaker and increases the whole volume of the circuit breaker, but also has the advantages of complex structure, higher cost, high operation power consumption and poor reliability.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve exist not enough among the prior art, provide a construct simple, need not occupy other annex installation space, can not increase the whole volume of circuit breaker, with low costs, good reliability take alarming function's electronic trip gear and operating method thereof.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model provides a take alarming function's electron trip gear, includes base, gangbar, coil pack, alarm switch and third boss, the base in be equipped with and be the hasp that elasticity rotation is connected with the base, the gangbar pass through the elastic component setting on the base, coil pack fix in the base, coil pack drive the hasp rotation and the hasp loosen the third boss and make the gangbar displacement that makes progress, the both sides of gangbar constitute and be used for braking circuit breaker operating device's first boss and be used for realizing the second boss of linkage with alarm switch.

Preferably, the lock catch is elastically and rotatably connected with the base through a shaft and a reset torsion spring, a bending plate for interlocking with the linkage rod is formed at one end of the lock catch, and the bending plate and the third boss are locked in a linkage manner;

the elastic piece is a main spring, a baffle and the main spring are arranged in the base, a boss for mounting the main spring is formed on the baffle, and the linkage rod is movably arranged on the base through the main spring.

Preferably, the alarm switch is provided with a button, and the second boss is displaced to push the button.

Preferably, the coil assembly is formed with a plunger for cooperating with the latch.

Preferably, the first bosses and the linkage rods are integrally distributed, and the heads of the linkage rods extend out of the base.

When an overload, short circuit or undervoltage fault occurs in an electric power system, a signal is detected by a mutual inductor of the circuit breaker, a tripping signal is sent out through a controller of the circuit breaker, after a coil assembly receives the signal, a top rod of the coil assembly is ejected out to drive a lock catch to rotate anticlockwise, when a bending plate of the lock catch rotates out of a third boss 53 of a linkage rod, the linkage rod moves upwards under the pushing of a main spring, a first boss of the linkage rod actuates a circuit breaker operating mechanism to trip the circuit breaker, a circuit is cut off, and a second boss of the linkage rod pushes and presses a button of an alarm switch, so that the output state of the alarm switch is changed, and an alarm signal is sent out;

after the power system fault is relieved, the circuit breaker and the alarm signal need to be reset, the handle of the circuit breaker is operated to drive the circuit breaker operating mechanism, the circuit breaker operating mechanism pushes the head of the linkage rod to move downwards, the lock catch rotates clockwise under the action of the recovery torsion spring, the third boss of the linkage rod is locked again by the bending plate of the lock catch, the button of the alarm switch is recovered to be in a free state, the output state of the alarm switch is changed, and the alarm signal is stopped being sent.

The utility model provides a take alarming function's electron trip gear owing to set up alarm switch, when actuating circuit breaker operating device and making the tripping operation of circuit breaker, also makes alarm switch linkage, realizes circuit breaker fault tripping alarm function. The utility model discloses simple structure, with low costs, need not additionally install alarm module, occupation space is little, the good reliability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a baffle plate of the present invention;

fig. 3 is a schematic structural view of the lock catch of the present invention;

fig. 4 is a schematic diagram of the circuit breaker in a normal state.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example 1: please combine fig. 1, an electronic tripping device with an alarm function comprises a base 1, a latch 6, a coil assembly 3, an alarm 4, a linkage rod 2 and a main spring 12, wherein the latch 6 is elastically and rotatably connected with the base 1 through a shaft 9 and a reset torsion spring 10, the coil assembly 3 is fixed in the base 1, the coil assembly 3 is provided with a top rod 16 for linking with the latch 6, the alarm switch 4 is installed on the base 1, the linkage rod 2 is movably arranged on the base 1 through the main spring 12, two sides of the linkage rod 2 are provided with a first boss 7 for actuating a circuit breaker operating mechanism and a second boss 8 for linking with the alarm switch 4, and the head of the linkage rod 2 extends out of the base 1.

Referring to fig. 1 and 2, the base 1 is further provided with a baffle 13, and a boss 14 for mounting the main spring 12 is formed on the baffle 13.

Referring to fig. 2 and 4, one end of the lock catch 6 forms a bending plate 11 for interlocking with the linkage rod 2.

Referring to fig. 4, a third boss 5 interlocked with the latch 6 is formed at one end of the linkage rod 2 near the latch 6.

The utility model discloses owing to adopted above-mentioned structure the utility model discloses after accepting the tripping signal, not only can actuate circuit breaker operating device and make the circuit breaker tripping operation, can realize circuit breaker trouble tripping operation alarming function through bulldozing alarm switch's button moreover.

The utility model discloses simple structure, with low costs, need not additionally install alarm module, occupation space is little, the good reliability.

Claims

1. The utility model provides a take alarming function's electron trip gear which characterized in that: including base (1), gangbar (2), coil pack (3), alarm switch (4) and third boss (5), base (1) in be equipped with and be elasticity rotation lock catch (6) of being connected with base (1), gangbar (2) set up on base (1) through the elastic component, coil pack (3) fix in base (1), coil pack (3) drive that lock catch (6) are rotatory and lock catch (6) loosen third boss (5) and make gangbar (2) displacement that makes progress, the both sides of gangbar (2) constitute first boss (7) that are used for braking circuit breaker operating device and be used for realizing second boss (8) of linkage with alarm switch (4).

2. The electronic trip device with the alarm function according to claim 1, wherein: the lock catch (6) is elastically and rotatably connected with the base (1) through a shaft (9) and a reset torsion spring (10), a bending plate (11) used for being interlocked with the linkage rod (2) is formed at one end of the lock catch (6), and the bending plate (11) and the third boss (5) are locked in a linkage manner;

the elastic piece be main spring (12), base (1) in be equipped with baffle (13) and main spring (12), baffle (13) on constitute boss (14) that are used for installing main spring (12), gangbar (2) pass through main spring (12) activity and set up on base (1).

3. The electronic trip device with an alarm function according to claim 1 or 2, characterized in that: a button (15) is arranged in the alarm switch (4), and the button (15) is pushed after the second boss (8) is displaced.

4. The electronic trip device with an alarm function according to claim 1 or 2, characterized in that: the coil component (3) is provided with a mandril (16) which is used for being linked with the lock catch (6).

5. The electronic trip device with an alarm function according to claim 1 or 2, characterized in that: the first bosses (7) and the linkage rods (2) are integrally distributed, and the heads of the linkage rods (2) extend out of the base (1).