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Sewage plant electric control system

A technology for electrical control systems and sewage plants, applied in the mechanical field, can solve problems such as current exceeding the rated value, load increase, voltage increase, etc.

Inactive Publication Date: 2018-05-29
李彦松
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

2. Power supply phase loss: When one phase fuse of the three-phase power supply is blown during the operation of the AC asynchronous motor in the control system, it will cause power supply phase loss
4. Overload: When the electrical control system is in a state of open-phase operation or the load is greatly increased, the voltage is greatly increased and the load is reduced, which will also cause the current to exceed the rated value and cause current problems

Method used

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  • Sewage plant electric control system

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Embodiment Construction

[0010] The present invention will be further described below in conjunction with drawings and embodiments.

[0011] like figure 1 , in the initial design of the system, if the corresponding electrical automatic protection device is installed in the system, only related faults occur in the electrical control system, the automatic protection device can quickly find out the fault location and fix it Separate from non-faulty parts, so that the whole system can return to normal in a short period of time, or stop running completely in an instant, so as to effectively avoid the occurrence of larger fault accidents. At the same time, the electrical automatic protection device can also play a monitoring role, which can reflect the real situation of electrical equipment operation. In the daily operation of electrical equipment, the protection device can play a corresponding role according to the difference in normal operating conditions of different electrical equipment and the working...

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Abstract

A sewage plant electric control system employs a micro-control processor; a display unit can dynamically display work states, a stop state and a fault state of a motor, a pump and valves; a sewage path and a purification path are dynamically displayed in different colors; the electric control system can provide guarantees for realizing expected control; a figure interface can realize synchronization supervision of work states in the field, and various data pieces can be printed at any time according to needs.

Description

technical field [0001] The invention relates to an electrical control system of a sewage plant, which is suitable for the mechanical field. Background technique [0002] Electrical control system design includes two parts: electrical schematic design and electrical process design. The electrical control principle is designed to meet the basic requirements of production machinery and technology, taking into account the degree of automation and technological advancement of the equipment. In all electrical engineering projects, its performance in terms of safety and reliability is an important basis for measuring whether the electrical control system can be operated well. Therefore, when implementing a specific design for the electrical control system, it is necessary to Various faults that may occur in the later operation of the system are predicted and certain protective measures are taken to reduce the occurrence of related faults. [0003] Usually, electrical control syst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/042
Inventor 李彦松
Owner 李彦松
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