CN212909095U

CN212909095U - Frame circuit breaker dual supply conversion module

Info

Publication number: CN212909095U
Application number: CN202021578082.5U
Authority: CN
Inventors: 汪泽军; 汪正科; 罗坚泉; 刘亮亮; 陈志明; 庚建辉
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 frame circuit breaker dual-power conversion module, which comprises an electrically connected single chip microcomputer chip IC1, a phase inverter IC2, a main and standby power acquisition circuit module, a main power signal acquisition circuit module, a standby power signal acquisition circuit module, an internal working power circuit module, a circuit breaker split-combination signal acquisition circuit module and a circuit breaker driving circuit module, wherein the main and standby power acquisition circuit module acquires a main power and a standby power through a transformer, the main power signal acquisition circuit module is used for acquiring a main power signal, the standby power signal acquisition circuit module is used for acquiring a standby power signal, the internal working power circuit module provides electric energy, the frame circuit breaker dual-power conversion module timely monitors the conditions of the main power, the standby power, a main circuit breaker and a standby branch circuit breaker, when any one branch power fails, the circuit breaker corresponding to the branch circuit breaker can, and the power supply is switched to the other path of normal power supply for output use, so that the reliability of power supply is ensured.

Description

Frame circuit breaker dual supply conversion module

Technical Field

The utility model relates to a dual power switch field, concretely relates to frame circuit breaker dual power conversion module.

Background

In the dual-power switching of the frame circuit breaker, the conventional dual-power switching module adopts a single intermediate relay, a double-time relay and a frame switch to form a dual-power switching loop. The main power supply circuit breaker is controlled by an undervoltage coil to open a brake, the standby power supply circuit breaker is controlled by a single intermediate relay to open a brake, the opening of the brake is not time-regulated and cannot be automatically controlled, which circuit breaker is switched off and determined by which circuit breaker, and the main power supply and the standby power supply are switched on and controlled by respective time relays, the time is adjustable, but the defect is that the switching coil is electrified for a long time in the switching-on process until the switch is switched on to be locked, once the switch is in failure or abnormal, the switching coil is electrified for a long time, and when the double power supplies are electrified and cannot be switched, the switching coil is burnt out, meanwhile, the undervoltage coil is unstable and is easy to burn out, the switching cannot be carried out, the monitoring of the main power supply.

SUMMERY OF THE UTILITY MODEL

There is the defect to prior art, the utility model aims to solve the technical problem that how to improve the reliability that frame circuit breaker dual power supply conversion module guaranteed the power supply to the control of the two way powers of activestandby and automatic switch activestandby, concrete technical scheme as follows:

a dual-power conversion module of a frame circuit breaker comprises a single chip microcomputer chip IC1, a phase inverter IC2, a main power supply and standby power supply acquisition circuit module, a main power supply signal acquisition circuit module, a standby power supply signal acquisition circuit module, an internal working power supply circuit module, a circuit breaker on-off signal acquisition circuit module and a circuit breaker driving circuit module, wherein the main power supply and standby power supply acquisition circuit module acquires a main power supply and a standby power supply through a transformer, the main power supply signal acquisition circuit module is used for acquiring a main power supply signal, the standby power supply signal acquisition circuit module is used for acquiring a standby power supply signal, the internal working power supply circuit module provides electric energy, the circuit breaker on-off signal acquisition circuit module comprises two on-off state signals which are respectively acquired by a main branch circuit breaker and a standby branch circuit breaker, the, A backup power source.

As an optimal scheme of the utility model, singlechip chip IC1 model is AT89C2051, and phase inverter IC2 model is 74SL 14.

As a preferred scheme of the utility model, the singlechip chip IC1 is switched by the operation of a dial switch, the dial switch is divided into 3 working positions, and 3 light-emitting diodes are used for state display; the green light indicates that the main branch circuit breaker is in the on position, the red light indicates that the standby branch circuit breaker is in the on position, and the blue light indicates that the device enters the protection position and the breaker switch has a fault.

As an optimized scheme of the utility model, singlechip chip IC1 passes through RS485 interface and external device communication connection.

The utility model has the advantages that: the single chip microcomputer chip IC1, the phase inverter IC2, the main and standby power supply acquisition circuit module, the main power supply signal acquisition circuit module, the standby power supply signal acquisition circuit module, the internal working power supply circuit module, the circuit breaker on-off signal acquisition circuit module and the circuit breaker driving circuit module are cooperatively used, the conditions of a main power supply, a standby power supply, a main branch circuit breaker and a standby branch circuit breaker are monitored in time, when any one path of power supply fails, the circuit breaker of a corresponding branch circuit can be disconnected in time, the other path of normal power supply is switched to output for use, and the reliability of power supply is ensured.

Drawings

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

FIG. 2 is a circuit diagram of the present invention with modules divided;

fig. 3 is an electrical schematic diagram in 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 figures 1-3, a dual power conversion module of frame circuit breaker comprises an electrically connected single chip IC1, a phase inverter IC2, a main power signal acquisition circuit module, a standby power signal acquisition circuit module, an internal working power circuit module, a circuit breaker on-off signal acquisition circuit module and a circuit breaker driving circuit module, wherein the main power signal acquisition circuit module and the standby power supply are acquired by the main power signal acquisition circuit module through a transformer, the main power signal acquisition circuit module is used for acquiring main power signals, the standby power signal acquisition circuit module is used for acquiring standby power signals, the internal working power circuit module provides electric energy, the circuit breaker on-off signal acquisition circuit module has two on-off state signals which respectively acquire a main branch circuit breaker and a standby branch circuit breaker, the circuit breaker driving circuit module controls the circuit breaker to switch on-off and use, A backup power source.

Specifically, the model of the single chip IC1 is AT89C2051, the model of the inverter IC2 is 74SL14, and the single chip IC1 is in communication connection with an external device through an RS485 interface.

Specifically, the single chip IC1 is switched by a dial switch, the dial switch is divided into 3 working positions, and when the dial switch is toggled to 3 working positions at different positions, 3 light emitting diodes are used for status display; the green light shows that the main branch circuit breaker is in the on-off position and the standby branch circuit breaker is in the off state, the red light shows that the standby branch circuit breaker is in the on-off position and the main branch circuit breaker is in the off state, and the blue light shows that the device enters the protection position and the breaker switch has faults, so that the working state of the dual-power-supply conversion module can be clearly known.

The utility model discloses frame circuit breaker dual supply conversion module's advantage lies in:

1. the breaker switch can be controlled to be switched on and off, and the voltage-loss coil can be disassembled, so that the power supply instability caused by long-term electrified burning or failure of the voltage-loss coil is reduced;

2. the condition of the main power supply and the standby power supply is monitored in real time, and as long as any one of the two power supplies has a fault, for example, when a main power supply switch has a fault, the standby switch can be automatically switched on, so that the automatic switching of the two power supplies is realized, and the reliability of power supply is ensured;

3. the state display of 3 clear light-emitting diodes is beneficial to the maintenance of whether a line or equipment has faults.

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 frame circuit breaker dual supply conversion module which characterized in that: the single chip microcomputer chip IC1 including electric connection, phase inverter IC2, activestandby power supply collection circuit module, main power signal collection circuit module, stand-by power supply signal collection circuit module, internal work power supply circuit module, circuit breaker divide-shut signal collection circuit module and circuit breaker drive circuit module, activestandby power supply collection circuit module passes through the transformer and gathers the main power, stand-by power supply, main power signal collection circuit module is used for gathering main power signal, stand-by power supply signal collection circuit module is used for gathering stand-by power supply signal, internal work power supply circuit module provides the electric energy, circuit breaker divide-shut signal collection circuit module has two to gather main branch circuit breaker respectively, the divide-shut brake state signal of stand-by branch circuit breaker, circuit breaker drive circuit module control circuit breaker divide-shut brake switch uses the.

2. The dual power transfer module of a frame circuit breaker of claim 1, wherein: the model of the single chip IC1 is AT89C2051, and the model of the inverter IC2 is 74SL 14.

3. The dual power transfer module of a frame circuit breaker of claim 1, wherein: the single chip IC1 is switched by the operation of a dial switch, the dial switch is divided into 3 working positions, and 3 light emitting diodes are used for state display; the green light indicates that the main branch circuit breaker is in the on position, the red light indicates that the standby branch circuit breaker is in the on position, and the blue light indicates that the device enters the protection position and the breaker switch has a fault.

4. The dual power transfer module of a frame circuit breaker of claim 1, wherein: the single chip IC1 is connected with external equipment through RS485 interface.