CN212909336U

CN212909336U - Working power supply module of high-voltage circuit breaker

Info

Publication number: CN212909336U
Application number: CN202021578448.9U
Authority: CN
Inventors: 汪泽军; 汪正科; 张玉萍; 叶卓坤; 魏雪
Original assignee: Dongguan Switchgear Industrial Co ltd
Current assignee: Dongguan Switchgear Industrial Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-04-06
Anticipated expiration: 2030-08-03

Abstract

The utility model relates to a high-voltage circuit breaker working power supply module, which comprises a rectifier circuit module, a filter circuit module, a voltage stabilizing circuit module and a filter and storage circuit module which are electrically connected with each other, wherein the rectifier circuit module converts the input 220V alternating voltage into direct current voltage, the filter circuit module is used for reducing the pulsation degree of the rectifier voltage, the voltage stabilizing circuit module is used for keeping the output voltage stable, the filter and storage circuit module is used for storing electricity, extending and discharging high-voltage circuit breaker separating brake, the externally input 220V alternating voltage is matched with each other through the rectifier circuit module, the filter circuit module, the voltage stabilizing circuit module and the filter and storage circuit module to output stable direct current voltage for the high-voltage circuit breaker to work and use, the maintenance and installation of a direct current power supply box and a secondary control cable can be reduced, the direct current power supply box and the secondary control cable, the practicability is strong.

Description

Working power supply module of high-voltage circuit breaker

Technical Field

The utility model relates to a cubical switchboard field, concretely relates to circuit breaker working power supply module for among high tension switchgear.

Background

The high-voltage switch cabinet is a cabinet body device which is used for power generation, power transmission, power distribution, electric energy conversion and consumption of an electric power system and plays roles of on-off, control or protection and the like, a high-voltage circuit breaker is installed in the high-voltage switch cabinet, a switching-on and switching-off coil of the high-voltage circuit breaker, a controller and other used working power supplies obtain incoming line PT voltage or low-voltage distribution voltage, and a direct-current power supply box is required to be additionally equipped for providing the incoming line PT voltage or the low-voltage distribution voltage, so that secondary cables are connected in a large number, construction and maintenance.

SUMMERY OF THE UTILITY MODEL

There is the defect to prior art, the utility model provides a high voltage circuit breaker working power supply module can external 220V alternating voltage use for high voltage circuit breaker work after the conversion, and concrete technical scheme is as follows:

the utility model provides a high voltage circuit breaker working power supply module, includes mutual electric connection's rectifier circuit module, filter circuit module, voltage stabilizing circuit module and filtering electric power storage circuit module, the rectifier circuit module converts the 220V alternating voltage of input into direct current voltage, the filter circuit module is used for reducing the pulsation degree of rectified voltage, voltage stabilizing circuit module is used for keeping output voltage stable, filtering electric power storage circuit module is used for the electric power storage to extend to discharge and supplies high voltage circuit breaker separating brake.

As an optimized scheme of the utility model, filtering power storage circuit module includes 2 inductance coils, 2 resistance R51 omega, 2 field effect transistor, 2 resistance R2.1K, secondary inductance coil, and inductance coil connecting resistance R51 omega once, resistance R51 omega connect field effect transistor's grid contact (G), inductance coil parallel resistance R2.1K once, and field effect transistor connects secondary inductance coil.

The utility model has the advantages that: the 220V alternating voltage of external input is mutually matched through the rectifier circuit module, the filter circuit module, the voltage stabilizing circuit module and the filter and power storage circuit module to output stable direct voltage for the high-voltage circuit breaker to work and use, the direct current power box and the secondary control cable can be reduced, the maintenance and the installation are convenient, the switching on and off can be rapidly carried out under the high-voltage and non-power condition, meanwhile, the high-voltage danger of reverse feeding can be prevented, and the practicability is high.

Drawings

Fig. 1 is a circuit diagram of the present invention;

fig. 2 is a block diagram of a flow chart in the application of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 and 2, a working power supply module of a high-voltage circuit breaker comprises a rectifier circuit module, a filter circuit module, a voltage stabilizing circuit module and a filter and power storage circuit module which are electrically connected with each other, wherein the rectifier circuit module converts an input 220V alternating voltage into a direct current voltage, the filter circuit module is used for reducing the pulsation degree of the rectified voltage, the voltage stabilizing circuit module is used for keeping an output voltage stable, and the filter and power storage circuit module is used for power storage extension discharge to open a switch of the high-voltage circuit breaker.

Specifically, the filtering and power storage circuit module comprises 2 primary inductance coils, 2 resistors R51 omega, 2 field effect transistors, 2 resistors R2.1K and a secondary inductance coil, wherein the primary inductance coil is connected with the resistor R51 omega, the resistor R51 omega is connected with a gate contact (G) of the field effect transistor, the primary inductance coil is connected with the resistor R2.1K in parallel, and the field effect transistor is connected with the secondary inductance coil.

The input 220V alternating voltage can be provided by the PT cabinet and also can be externally connected with a temporary commercial power, is switched and input to the high-voltage circuit breaker working power supply module by the control of the dual-power switch, and is mutually matched with the rectifier circuit module, the filter circuit module, the voltage stabilizing circuit module and the filter power storage circuit module to output stable direct voltage for the high-voltage circuit breaker to work and use.

The above description is provided for the purpose of describing the present invention in more detail with reference to the preferred embodiments, and it should not be construed that the present invention is limited to these descriptions, and it will be apparent to those skilled in the art that the present invention can be implemented in many ways without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a high voltage circuit breaker working power supply module which characterized in that: the high-voltage circuit breaker comprises a rectifying circuit module, a filter circuit module, a voltage stabilizing circuit module and a filtering and power storage circuit module which are electrically connected with each other, wherein the rectifying circuit module converts input 220V alternating-current voltage into direct-current voltage, the filter circuit module is used for reducing the pulsation degree of the rectified voltage, the voltage stabilizing circuit module is used for keeping the output voltage stable, and the filtering and power storage circuit module is used for power storage extension discharge to open a switch of the high-voltage circuit breaker.

2. The operating power supply module for a high-voltage circuit breaker according to claim 1, characterized in that: the filtering and power storage circuit module comprises 2 primary inductance coils, 2 resistors R51 omega, 2 field effect transistors, 2 resistors R2.1K and a secondary inductance coil, wherein the primary inductance coil is connected with the resistors R51 omega, the resistors R51 omega are connected with a grid electrode contact (G) of the field effect transistors, the primary inductance coils are connected with the resistors R2.1K in parallel, and the field effect transistors are connected with the secondary inductance coils.