CN216056451U

CN216056451U - Instantaneous zero-voltage non-stop system

Info

Publication number: CN216056451U
Application number: CN202023151702.XU
Authority: CN
Inventors: 杨杰
Original assignee: Huaibei Mining Co Ltd
Current assignee: Huaibei Mining Co Ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2022-03-15
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses an instant zero-voltage non-stop system which comprises an AC-DC conversion module, a DC-AC conversion module, an electric energy storage module and a load module, wherein the initial power consumption of the system is supplied by urban power consumption, the input end of the AC-DC conversion module is connected with the output end of the urban power consumption, one end of the output end of the AC-DC conversion module is connected with the DC-AC conversion module, the other end of the output end of the AC-DC conversion module is connected with the electric energy storage module, and the electric energy storage module, the load module and the urban power consumption are connected in parallel; by adopting the scheme of the utility model, the safety benefit is as follows: after the power supply is improved and used, the problem of electricity interference can be solved after the system is not stopped and is powered by using the instantaneous zero voltage, the safety and reliability of the power supply system are greatly improved, accidents are avoided, and the obvious safety benefit is fully embodied; and (4) economic benefits.

Description

Instantaneous zero-voltage non-stop system

Technical Field

The utility model belongs to the field of coal mining, and particularly relates to an instantaneous zero-voltage non-stop system.

Background

In a power grid formed by a multi-stage transformer substation, users are widely distributed, short circuit or overcurrent faults are easily generated, after the faults occur, an electric protection action is performed, a fault loop is cut off, the time from the occurrence to the fault cutting is 20-700 ms, voltage of other normal loops can be temporarily reduced during the period, electricity interference is caused, in addition, electricity interference can be easily caused in summer thunder and lightning seasons, once the electricity interference occurs, an alternating current contactor coil of general electrical equipment can be subjected to tripping because the voltage of two ends of the coil is lower than a maintaining voltage, a contactor is disconnected, a machine pump is stopped, the power of the equipment is cut off, safety production is influenced, even unnecessary economic loss is caused, and the equipment is damaged; many industrial enterprise critical sites do not allow equipment to trip out during a short interruption of power (i.e., a blackout).

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an instant zero-voltage non-stop system which can not cause equipment to trip and power off in the power supply interference process.

In order to achieve the purpose, the utility model adopts the technical scheme that: the system comprises an AC-DC conversion module, a DC-AC conversion module, an electric energy storage module and a load module, wherein the initial power consumption of the system is supplied by urban power consumption, the input end of the AC-DC conversion module is connected with the urban power consumption output end, one end of the output end of the AC-DC conversion module is connected with the DC-AC conversion module, the other end of the output end of the AC-DC conversion module is connected with the electric energy storage module, the load module and the urban power consumption are connected in parallel, the AC-DC conversion module is arranged between the urban power consumption and the electric energy storage module, and the DC-AC conversion module is arranged between the electric energy storage module and the load module.

The utility model discloses an instantaneous zero-voltage non-stop system, wherein an internal circuit of an electric energy storage module comprises a first contactor, a second contactor, a heating element, a first switch, a second switch, a first capacitor and a second capacitor, wherein the first contactor, the heating element and the second switch are sequentially connected in series, the first switch is connected with the first capacitor in series, a series branch is connected with the second contactor and the second capacitor in parallel, one end of the parallel branch is connected with the output end of an AC-DC conversion module, the other end of the parallel branch is connected with the second switch, one end of the first contactor is connected with the heating element, and the other end of the first contactor is connected with a mains supply

The utility model discloses an instantaneous zero-voltage non-stop system, wherein a circuit of a load module comprises a third contactor, a fourth contactor, a fifth contactor, a yellow signal lamp, a red signal lamp and a green signal lamp, wherein the third contactor is connected with the yellow signal lamp in series, the fourth contactor is connected with the red signal lamp in series, the fifth contactor is connected with the green signal lamp in series, and three serially connected branches are connected in parallel.

By adopting the scheme of the utility model, the safety benefit is as follows: after the power supply is improved and used, the problem of electricity interference can be solved after the system is not stopped and is powered by using the instantaneous zero voltage, the safety and reliability of the power supply system are greatly improved, accidents are avoided, and the obvious safety benefit is fully embodied; economic benefits are as follows: after the system is improved and used, indirect economic loss caused by unsafe factors can be effectively reduced, and the economic loss of important places can be reduced by at least 20 ten thousand yuan per year.

The utility model will be explained in more detail below with reference to the drawings and examples.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a wiring circuit diagram of the present invention;

Detailed Description

The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail to explain embodiments of the present invention, such as the shapes, structures, mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing process, and the operation and use method, so as to help those skilled in the art to more completely, accurately and deeply understand the concept and technical solutions of the present invention.

FIG. 1 is a schematic view of the present invention; FIG. 2 is a wiring circuit diagram of the present invention; an instantaneous zero-voltage non-stop system as shown in fig. 1 and fig. 2 comprises an AC-DC conversion module, a DC-AC conversion module, an electric energy storage module and a load module, wherein the initial power consumption of the system is supplied by urban power, the input end of the AC-DC conversion module is connected with the output end of the urban power consumption, one end of the output end of the AC-DC conversion module is connected with the DC-AC conversion module, the other end of the output end of the AC-DC conversion module is connected with the electric energy storage module, and the three modules of the electric energy storage module, the load module and the urban power consumption are connected in parallel, wherein the AC-DC conversion module is arranged between the urban power consumption and the electric energy storage module, and the DC-AC conversion module is arranged between the electric energy storage module and the load module; the internal circuit of the electric energy storage module comprises a first contactor (KM1), a second contactor (KM2), a heating element (FH), a first switch (S1), a second switch (S2), a first capacitor (C1) and a second capacitor (C2), wherein the first contactor (KM1), the heating element (FH) and the second switch (S2) are sequentially connected in series, the first switch (S1) and the first capacitor (C1) are connected in series, a series branch line is connected with the second contactor (KM2) and the second capacitor (C2) in parallel, one end of the parallel branch line is connected with the output end of the AC-DC conversion module, the other end of the parallel branch line is connected with the second switch (S2), and one end of the first contactor (KM1) is connected with the heating element (FH) and the other end of the first contactor is connected with a mains supply; the circuit of load module includes third contactor (KM3), fourth contactor (KM4), fifth contactor (KM5), yellow signal lamp (HY), red signal lamp (HR) and green signal lamp (HG), wherein, third contactor (KM3) and yellow signal lamp (HY) are established ties, fourth contactor (KM4) and red signal lamp (HR) are established ties, fifth contactor (KM5) and green signal lamp (HG) are established ties, connect in parallel between the branch road of three series connections.

In use, under a normal working state, as can be seen from fig. 2, KM1, KM2, KM3, KM4, KM5, S1 and S2 are all closed, the commercial power supplies power to KM3, KM4 and KM5 through an AC-DC converter and a DC-AC converter, and HY, HR and HG all show a working state; on the other hand, the mains supply charges C1 and C2; when the electricity was dazzled, C1 and C2 began to discharge the electricity to the outside, and KM3, KM4 and KM5 were powered.

The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.

Claims

1. The utility model provides a zero voltage does not shut down system in twinkling of an eye, includes AC-DC conversion module, DC-AC conversion module, electric energy storage module and load module, and the system is initial to be used of electricity by city power supply, its characterized in that: the urban electricity utilization system comprises an AC-DC conversion module, an electric energy storage module, a load module and an urban electricity utilization module, wherein the input end of the AC-DC conversion module is connected with the urban electricity utilization output end, one end of the output end of the AC-DC conversion module is connected with the DC-AC conversion module, the other end of the output end of the AC-DC conversion module is connected with the electric energy storage module, and the electric energy storage module, the load module and the urban electricity utilization module are connected in parallel, wherein the AC-DC conversion module is arranged between the urban electricity utilization module and the electric energy storage module, and the DC-AC conversion module is arranged between the electric energy storage module and the load module.

2. The system of claim 1, wherein the internal circuit of the energy storage module comprises a first contactor, a second contactor, a heating element, a first switch, a second switch, a first capacitor and a second capacitor, wherein the first contactor, the heating element and the second switch are sequentially connected in series, the first switch is connected in series with the first capacitor, a branch of the series connection is connected in parallel with the second contactor and the second capacitor, one end of the branch of the parallel connection is connected to the output end of the AC-DC conversion module, the other end of the branch of the parallel connection is connected to the second switch, and one end of the first contactor is connected to the heating element and the other end of the first contactor is connected to the commercial power.

3. The system of claim 1, wherein the circuit of the load module comprises a third contactor, a fourth contactor, a fifth contactor, a yellow signal lamp, a red signal lamp and a green signal lamp, wherein the third contactor is connected in series with the yellow signal lamp, the fourth contactor is connected in series with the red signal lamp, the fifth contactor is connected in series with the green signal lamp, and three series-connected branches are connected in parallel.