Power supply safety monitoring system

A technology of safety monitoring system and power supply, which is applied in the direction of emergency power supply arrangements, current collectors, electric vehicles, etc., can solve the problems that cannot meet the needs of the development of integrated power supply and smart grid, cannot meet the requirements of integrated power supply, and is susceptible to interference. Achieve significant social and economic benefits, enrich the man-machine interface, and realize the effect of management

Inactive Publication Date: 2017-11-21
DEZHOU LINGCHENG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO +1
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Problems solved by technology

However, the general DC power supply monitoring system for electric power is only suitable for the monitoring of the DC power supply and AC power supply in this integrated power supply, and cannot meet the needs of other power supplies in the integrated power supply.
Most of the original monitoring system uses electric parameter transmitters and analog acquisition modules for measurement. Because of the large number of transmitters,

Method used

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] see Figure 1~3 , in an embodiment of the present invention, a power supply safety monitoring system includes a PLC, a voltage sampling board, a current sampling board, a high-frequency rectification module, and a touch screen, and the PLC is respectively connected to a signal input module, a signal output module, and a voltage sampling board. board, current sampling board, touch screen, host computer and high-frequency rectification module. The high-fr...

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Abstract

The invention discloses a power supply safety monitoring system, which comprises a PLC, a voltage sampling board, a current sampling board, a high-frequency rectification module and a touch screen. The present invention fully utilizes various intelligent functions of the s7-200plc by using the Siemens s7-200, and realizes intelligent management and abundant man-machine interfaces. The monitor can directly send the control quantity to the rectifier module, which reduces the intermediate adjustment and conversion links, and can complete the real-time monitoring of the rectifier module more quickly, accurately and reliably. The monitor has strong functions, high reliability, less maintenance, and is easy to operate. At the same time, it can be easily connected to the integrated automation system through communication. It can provide safe, stable and reliable DC power for the integrated electric power automation system, and has a significant social and economic benefit.

Description

technical field [0001] The invention relates to a monitoring system, in particular to a power supply safety monitoring system. Background technique [0002] At present, the DC power supply monitoring system for electric power has been widely used in my country's urban public power transformation and power supply, industrial and mining enterprises, high-rise buildings, and power supply and distribution in residential quarters. However, the general DC power supply monitoring system for electric power is only suitable for the monitoring of the DC power supply and the AC power supply in the integrated power supply, and cannot meet the needs of other power supplies in the integrated power supply. Most of the original monitoring system uses electric parameter transmitters and analog acquisition modules for measurement. Because of the large number of transmitters, the wiring is complicated and debugging is difficult. Because the line transmission is analog signals, it is easy to be...

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Application Information

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IPC IPC(8): H02J9/06H02M7/217H02J7/02
CPCH02J9/061H02J7/022H02M7/217
Inventor 张阁文周彬赵青
Owner DEZHOU LINGCHENG POWER SUPPLY CO OF STATE GRID SHANDONG ELECTRIC POWER CO
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