CN215172693U - Intelligent valve structure based on wisdom prison dish system - Google Patents

Abstract

The utility model discloses an intelligent valve structure based on wisdom prison dish system, the valve including having the valve body, further including data acquisition device, this data acquisition device including: the device comprises a communication module, a switch instruction module, a simulation instruction module, a position feedback module, an encoder, a temperature monitoring module, a voltage monitoring module, an early warning module and an equipment life cycle module; the switch instruction module, the simulation instruction module, the position feedback module, the encoder, the temperature monitoring module, the voltage monitoring module, the early warning module and the equipment life cycle module are respectively connected with the communication module and send the acquired data to the communication module; the communication module is connected with the control module of the bus execution mechanism through a bus protocol for communication. The utility model discloses a set up data acquisition device for this valve realizes intellectuality, but the whole power plant of quick adaptation realizes transformation and the upgrading of wisdom prison dish system.

Description

Intelligent valve structure based on wisdom prison dish system

Technical Field

The utility model relates to a thermal power plant's intelligent control technical field, in particular to intelligent valve structure based on wisdom prison dish system, especially one kind can cooperate the valve structure who uses with total line type intelligent actuating mechanism.

Background

The electric actuating mechanism has the basic functions of stroke control, torque protection, manual and electric switching, manual operation, remote and local control and the like, can convert electric quantity command signals given by upper control equipment and a system into corresponding displacement, drives a final control part (such as a valve and a baffle) to a position required by the system, further adjusts and controls process parameters such as flow, temperature, pressure and the like, and realizes the process control of the system. At present, the application of an electric actuating mechanism is very common in a large-scale thermal power plant. Thus, in large thermal power plants, valves are also obviously very important components, typically gate valves, globe valves, butterfly valves, ball valves, etc.

The operation of each system, equipment and the like of the traditional thermal power plant mainly depends on people to monitor the state and parameters of the system or the equipment, and operating personnel needs to patrol and monitor continuously changing data twenty-four hours a day, but the manual supervision is difficult to find the slow change of the parameters in the early stage of the equipment failure, and the mode needs the operating personnel to concentrate on the change of each important parameter before the supervision, so that the working pressure is high, and the labor intensity is high.

The bus actuating mechanism and the valve body thereof are important in the whole monitoring work for acquiring and controlling the equipment state and parameters. Based on this, the intelligent monitoring system is generated. The intelligent monitoring disc is based on the idea that a big data analysis technology is used for carrying out correlation analysis on mass historical data of process equipment and a production flow, and a machine learning algorithm is used for carrying out prediction modeling on effective data; the operation health level of the parameter is integrated into a quantized health Performance indicator curve HPI (health Performance indicator) by a boundary identification technology. The HPI indexes of massive parameters are uninterruptedly scanned and analyzed by a computer, abnormal results of the HPI indexes are effectively presented, early discovery and early processing of parameter abnormal events are realized, accident processing which possibly occurs in operation is advanced, and traditional operation post-processing is changed into pre-model analysis, deviation prediction and precaution in advance.

In the intelligent monitoring system, each parameter in the system operation needs to be reported and collected in time so as to be compared with a system model; however, in the traditional thermal power plant equipment, a large number of valves are designed by adopting the traditional structure and process and are parts directly purchased from the power plant; the intelligent monitoring system is generally a software upgrading service made by a process control development unit for a power plant; the 'hardware' design of the valve often cannot directly meet the requirement of 'software' upgrading, so that a lot of troubles are caused in the link, and the workload of three parties is increased.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides an intelligence valve structure based on wisdom prison dish system to there is not data acquisition device to the valve structure of traditional power plant among the solution prior art, can't adapt to the problem that wisdom prison dish system transformation was upgraded.

In order to solve the problem, the embodiment of the utility model provides an intelligent valve structure based on wisdom prison dish system is provided, the valve including the valve body, its characterized in that: the valve further comprises a data acquisition device, and the data acquisition device comprises: the device comprises a communication module, a switch instruction module, a simulation instruction module, a position feedback module, an encoder, a temperature monitoring module, a voltage monitoring module, an early warning module and an equipment life cycle module; the switch instruction module, the simulation instruction module, the position feedback module, the encoder, the temperature monitoring module, the voltage monitoring module, the early warning module and the equipment life cycle module are respectively connected with the communication module and send the acquired data to the communication module; the communication module is connected and communicated with the control module of the bus execution mechanism through a bus protocol;

the switching instruction module is used for detecting whether an execution mechanism receives a switching instruction signal sent by upper control equipment and a system such as DCS;

the simulation instruction module is used for detecting whether the execution mechanism receives simulation instruction signals sent by upper control equipment and a system such as DCS;

the position feedback module is used for comparing the instruction and the feedback state;

wherein, the encoder is used for monitoring the change of the valve position, and the code corresponding to each machine position is unique;

the temperature monitoring module further comprises a motor temperature monitoring module for detecting the temperature of a motor coil in real time and a control unit temperature monitoring module for detecting the working environment temperature of the actuating mechanism in real time;

the voltage monitoring module further comprises an alternating current voltage monitoring module for detecting the power supply voltage of the actuating mechanism in real time and a direct current voltage monitoring module for detecting the work of the frequency converter in real time;

the early warning module is used for transmitting an early warning signal to the DCS through the communication module to perform fault early warning when the working voltage, the temperature and the torque of the equipment exceed set thresholds.

The device life cycle module is used for measuring information such as the opening and closing time and the opening and closing times of the valve, uploading the information to the DCS through the communication module, and using the information as a basis for overhauling and replacing the device.

The valves include, but are not limited to, various gate valves, shutoff valves, butterfly valves, ball valves, etc. used in power plant systems.

The BUS protocol is PROFIBUS-BUS.

The utility model relates to an intelligent valve structure based on wisdom prison dish system, its advantage and efficiency lie in: valve equipment manufacturers can realize intellectualization through the data acquisition device additionally provided with the valve structure in the research and development production stage, so that the intelligent monitoring system is suitable for the transformation and the upgrading of an intelligent monitoring system of the whole power plant.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly introduced below, it should be understood that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is the utility model discloses an intelligent valve structure block diagram based on wisdom prison dish system

Fig. 2 is a flow chart of the switch command module receiving the command signal according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the invention. However, the technical solution claimed in the present invention can be realized without these technical details and various changes and modifications based on the following embodiments.

The embodiment of the utility model provides an intelligent valve structure based on an intelligent monitoring system, which comprises various gate valves, stop valves, butterfly valves, ball valves and the like, wherein the gate valves are applied to power plant systems; as shown in fig. 1, the valve includes a valve body 2 and a data acquisition device 1;

the data acquisition device 1 comprises: the system comprises a communication module 100, a switch instruction module 101, a simulation instruction module 102, a position feedback module 103, an encoder 104, a temperature monitoring module 105, a voltage monitoring module 106, an early warning module 107 and an equipment life cycle module 108; the switch instruction module 101, the simulation instruction module 102, the position feedback module 103, the encoder 104, the temperature monitoring module 105, the voltage monitoring module 106, the early warning module 107 and the equipment life cycle module 108 are respectively connected with the communication module 100, and send the acquired data to the communication module; the communication module is connected and communicated with the control module of the BUS execution mechanism through a PROFIBUS-BUS protocol;

the switching instruction module is used for detecting whether an execution mechanism receives a switching instruction signal sent by upper control equipment and a system such as DCS; the specific command signals include: on/off/ESD (Electro-Static discharge).

The simulation instruction module is used for detecting whether the execution mechanism receives simulation instruction signals sent by upper control equipment and a system such as DCS; the normal range of values is 0-100.0%.

The position feedback module is used for comparing the instruction and the feedback state.

Wherein, the encoder is used for monitoring the change of the valve position, and the code corresponding to each machine position is unique; the encoding range is 0-1048575(20 bit absolute value encoding).

The temperature monitoring module further comprises a motor temperature monitoring module for detecting the temperature of a motor coil in real time and a control unit temperature monitoring module for detecting the working environment temperature of the actuating mechanism in real time; wherein the normal numerical range of the motor temperature is-32.0-160.0 ℃; the normal value range of the temperature of the control unit is-55.0 to 125.0 ℃.

The voltage monitoring module further comprises an alternating current voltage monitoring module for detecting the power supply voltage of the actuating mechanism in real time and a direct current voltage monitoring module for detecting the work of the frequency converter in real time; wherein the normal range of the alternating voltage is 0-500V; the normal range of the direct current voltage is 0-75V.

The early warning module is used for transmitting an early warning signal to the DCS through the communication module to perform fault early warning when the working voltage, the temperature and the torque of the equipment exceed set thresholds.

The device life cycle module is used for measuring information such as the opening and closing time and the opening and closing times of the valve, uploading the information to the DCS through the communication module, and using the information as a basis for overhauling and replacing the device.

The embodiment of the utility model provides an in each component module of data acquisition device, all can adopt among the prior art functional unit sold on the market to switch command module wherein is for example, as shown in FIG. 2, collect and detect actuating mechanism through this module and whether receive the switch command signal that superior control equipment and system sent like DCS, and the communication module through data acquisition device sends actuating mechanism through bus protocol, and further conveying to superior control equipment and system again. Other modules of the data acquisition device are similar to the above modules, and are not described in detail.

The utility model discloses a novel valve structure through having add data collection device, increases the hardware architecture in valve research and development and production link for make this valve "intelligent", thereby can directly be applied to systems such as power plant and carry out the transformation and the upgrading of intelligent process, practiced thrift manufacturing cost greatly, improved production efficiency.

Claims (1)

1. The utility model provides an intelligence valve structure based on wisdom prison dish system, the valve including having the valve body, its characterized in that: the valve further comprises a data acquisition device, and the data acquisition device comprises: the device comprises a communication module, a switch instruction module, a simulation instruction module, a position feedback module, an encoder, a temperature monitoring module, a voltage monitoring module, an early warning module and an equipment life cycle module; the switch instruction module, the simulation instruction module, the position feedback module, the encoder, the temperature monitoring module, the voltage monitoring module, the early warning module and the equipment life cycle module are respectively connected with the communication module and send the acquired data to the communication module; the communication module is connected and communicated with the control module of the bus execution mechanism through a bus protocol;

the temperature monitoring module further comprises a motor temperature monitoring module for detecting the temperature of a motor coil in real time and a control unit temperature monitoring module for detecting the working environment temperature of the actuating mechanism in real time;

the voltage monitoring module further comprises an alternating current voltage monitoring module for detecting the power supply voltage of the actuating mechanism in real time and a direct current voltage monitoring module for detecting the work of the frequency converter in real time.

Images