阅读说明：本技术 多泵组供水系统的智能控制方法 (Intelligent control method for multi-pump-set water supply system ) 是由 岳丽芳 韩一杰 于 2019-11-20 设计创作，主要内容包括：本发明公开了一种多泵组供水系统的智能控制方法,包括可编程控制器、监控计算机、检测单元和多泵组,运用检测技术实时检测多泵组状态数据和运行数据,可编程控制器接收检测数据,根据泵组的自身状态和运行情况,选择性的启动相关水泵,能够在泵组运行中实时监测每台水泵的运行状态,及时发现异常问题,智能选择切换备用泵,提前对水泵进行预判调整。此方法很好地解决了多泵组供水系统人工操作繁琐和设备不稳定的问题,减少设备故障的发生,提高了多泵组运行的可靠性和稳定性。本发明具有方法简单、运转平稳可靠,有极好的推广使用价值。(The invention discloses an intelligent control method of a multi-pump-group water supply system, which comprises a programmable controller, a monitoring computer, a detection unit and a multi-pump group, wherein the detection technology is used for detecting the state data and the operation data of the multi-pump group in real time, the programmable controller receives the detection data, selectively starts related water pumps according to the self state and the operation condition of the pump group, can monitor the operation state of each water pump in real time during the operation of the pump group, finds abnormal problems in time, intelligently selects and switches a standby pump, and carries out prejudgment and adjustment on the water pumps in advance. The method well solves the problems of complicated manual operation and unstable equipment of the multi-pump-group water supply system, reduces equipment faults, and improves the reliability and stability of the operation of the multi-pump group. The invention has the advantages of simple method, stable and reliable operation and excellent popularization and use values.)

1. An intelligent control method for a multi-pump group water supply system is disclosed, wherein the water supply control system comprises a programmable controller, a monitoring computer, a detection unit and a multi-pump group, the detection unit comprises a pressure transmitter, a flow transmitter, a current transmitter and a voltage transmitter, and the intelligent control method is characterized in that: the pressure transmitter and the flow transmitter are arranged at the outlet position of the multi-pump set water conveying pipeline, and the pipe network pressure and flow at the outlet of the multi-pump set are detected in real time; the current transmitter and the voltage transmitter are arranged on the multi-pump set power transmission line, and the voltage and the current of the multi-pump set power transmission line are detected in real time; the pressure transmitter, the flow transmitter, the current transmitter and the voltage transmitter form a detection unit of the multi-pump-set water supply system, and the programmable controller receives a current signal output by the detection unit and converts the current signal into an internal digital signal; the programmable controller analyzes, judges and calculates the received pressure, flow, voltage, current and multi-pump set state signals, and controls and adjusts the running state of the multi-pump set; the method comprises the following steps that a programmable controller starts related water pumps according to the operation requirements of the pumps, monitors the operation state of each water pump in real time during the operation of a pump set, finds abnormal problems in time, intelligently selects and switches a standby pump, and carries out prejudgment and adjustment on the water pumps in advance according to the operation data of each water pump of the pump set monitored in real time; the monitoring computer has the monitoring functions of operation control, operation state, data recording, alarm display and the like, and timely and accurately informs the state information, the operation information, the prejudgment information and the adjustment information of the multiple pump groups to the operation and management personnel.

2. The intelligent control method of a multi-pump group water supply system according to claim 1, wherein: the detected state data and operation data comprise water pump state, water pump current, water pump operation time, water pump outlet pressure, total water outlet flow and power grid voltage; and the programmable controller receives the multi-pump-group state data detected by the detection unit and calculates the multi-pump-group operation data.

3. The intelligent control method of a multi-pump group water supply system according to claim 1, wherein: and when the programmable controller controls the multi-pump set to be switched from a stop state to a start state, the required water pump is selected and determined to be started by combining the self state and the operation data of each water pump.

4. The intelligent control method of a multi-pump group water supply system according to claim 1, wherein: the programmable controller detects abnormal data of any one of current, outlet pressure and total water flow of a certain water pump, judges that the water pump has a fault, controls to stop the operation of the water pump, and additionally selects and starts the most corresponding standby pump according to the working requirement of the water pump.

5. The intelligent control method of a multi-pump group water supply system according to claim 1, wherein: the programmable controller records and calculates the running time of each water pump in real time, and for the water pumps which run for a small period time or a large period time, the running of the water pumps can be automatically stopped, and the standby pumps with the most conditions are intelligently selected and started.

Technical Field

The invention relates to a control method of a water supply system, in particular to an intelligent control method of a multi-pump-set water supply system.

Background

As a general machine, the water pump is widely applied to various fields such as agricultural irrigation, metallurgy, mining, electric power, chemical industry, municipal administration and the like, and determines the steady development of national economy. The water pump control technology influencing the economical efficiency and stability of the operation of the water pump is subject to the development process of manual operation, semi-automatic operation and automatic operation, the water pump control gradually realizes automatic control along with the development of detection technology and control technology in twenty-first century, but the problems of complicated manual operation and unstable equipment of a multi-pump-set water supply system in the industry at present are solved.

Disclosure of Invention

The invention aims to solve the technical problem of providing an intelligent control method of a multi-pump-group water supply system, which solves the problems of complicated manual operation and unstable equipment of the multi-pump-group water supply system, greatly reduces equipment faults and improves the reliability and stability of the operation of a multi-pump group.

In order to solve the technical problems, the invention adopts the following technical means:

an intelligent control method of a multi-pump group water supply system is disclosed, wherein the water supply control system comprises a programmable controller, a monitoring computer, a detection unit and a multi-pump group, and the detection unit comprises a pressure transmitter, a flow transmitter, a current transmitter and a voltage transmitter; the pressure transmitter and the flow transmitter are arranged at the outlet position of the multi-pump set water conveying pipeline, and the pipe network pressure and flow at the outlet of the multi-pump set are detected in real time; the current transmitter and the voltage transmitter are arranged on the multi-pump set power transmission line, and the voltage and the current of the multi-pump set power transmission line are detected in real time; the pressure transmitter, the flow transmitter, the current transmitter and the voltage transmitter form a detection unit of the multi-pump-set water supply system, and the programmable controller receives a current signal output by the detection unit and converts the current signal into an internal digital signal; the programmable controller analyzes, judges and calculates the received pressure, flow, voltage, current and multi-pump set state signals, and controls and adjusts the running state of the multi-pump set; the method comprises the following steps that a programmable controller starts related water pumps according to the operation requirements of the pumps, monitors the operation state of each water pump in real time during the operation of a pump set, finds abnormal problems in time, intelligently selects and switches a standby pump, and carries out prejudgment and adjustment on the water pumps in advance according to the operation data of each water pump of the pump set monitored in real time; the monitoring computer has the monitoring functions of operation control, operation state, data recording, alarm display and the like, and timely and accurately informs the state information, the operation information, the prejudgment information and the adjustment information of the multiple pump groups to the operation and management personnel.

Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:

the control method can automatically and selectively start the related water pumps by one key, carry out prejudgment and adjustment on the water pumps in advance, intelligently select and switch the standby pump, and can timely and accurately inform the state information, the operation information, the prejudgment information and the adjustment information of the pump group to pipe operators. The invention has the advantages of automation and intellectualization, stable and reliable operation, simple and convenient operation, comprehensive protection and the like, greatly lightens the operation intensity, can realize unattended automatic operation and has extremely good popularization and use values.

The further preferred technical scheme is as follows:

the detected state data and operation data comprise water pump state, water pump current, water pump operation time, water pump outlet pressure, total water outlet flow and power grid voltage; and the programmable controller receives the multi-pump-group state data detected by the detection unit and calculates the multi-pump-group operation data.

Through the monitoring of the data, the working state of the water pump can be conveniently adjusted by utilizing the related data.

And when the programmable controller controls the multi-pump set to be switched from a stop state to a start state, the required water pump is selected and determined to be started by combining the self state and the operation data of each water pump.

During starting, the operation of the water pump can be well matched with the actual requirement through the mode.

The programmable controller detects abnormal data of any one of current, outlet pressure and total water flow of a certain water pump, judges that the water pump has a fault, controls to stop the operation of the water pump, and additionally selects and starts the most corresponding standby pump according to the working requirement of the water pump.

Through monitoring the abnormal data, can control relevant water pump and prevent that it from taking place great damage.

The programmable controller records and calculates the running time of each water pump in real time, and for the water pumps which run for a small period time or a large period time, the running of the water pumps can be automatically stopped, and the standby pumps with the most conditions are intelligently selected and started.

By the method, the water pump can be effectively prevented from being damaged due to overlong working duration.

Drawings

FIG. 1 is a functional diagram of a multi-pump group water supply system;

FIG. 2 is a control flow chart of an intelligent control method of a multi-pump group water supply system;

FIG. 3 is a control flow chart of embodiment 1;

FIG. 4 is a control flowchart of embodiment 2;

FIG. 5 is a control flow chart of embodiment 3.

Detailed Description

The invention is further described with reference to the following figures and examples.

Referring to fig. 1-5, an intelligent control method for a multi-pump-group water supply system is disclosed, wherein the water supply control system comprises a programmable controller, a monitoring computer, a detection unit and a multi-pump group, and the detection unit comprises a pressure transmitter, a flow transmitter, a current transmitter and a voltage transmitter. The pressure transmitter and the flow transmitter are arranged at the outlet position of the multi-pump set water conveying pipeline, and the pipe network pressure and flow at the outlet of the multi-pump set are detected in real time; the current transmitter and the voltage transmitter are arranged on the multi-pump set power transmission line, and the voltage and the current of the multi-pump set power transmission line are detected in real time; the pressure transmitter, the flow transmitter, the current transmitter and the voltage transmitter form a detection unit of the multi-pump-set water supply system, and the programmable controller receives a current signal output by the detection unit and converts the current signal into an internal digital signal; the programmable controller analyzes, judges and calculates the received pressure, flow, voltage, current and multi-pump set state signals, controls and adjusts the running state of the multi-pump set, starts the related water pumps according to the running requirements of the pumps, monitors the running state of each water pump in real time during the running of the pump set, finds abnormal problems in time, intelligently selects and switches the standby pump, and carries out pre-judgment and adjustment on the water pumps in advance according to the running data of each water pump of the pump set monitored in real time; the monitoring computer has the monitoring functions of operation control, operation state, data recording, alarm display and the like, and timely and accurately informs the state information, the operation information, the prejudgment information and the adjustment information of the multiple pump groups to the operation and management personnel.