Distributed type control system and method used for large reciprocating type compressor group

A distributed control, compressor unit technology, applied in general control systems, control/regulation systems, program control, etc., can solve problems such as poor maintenance, difficult explosion-proofing, and disordered wiring, and achieve optimal configuration, ensure stable operation, and optimize integration. The effect of using

Pending Publication Date: 2018-11-27
SHANDONG KERUI COMPRESSOR
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  • Abstract
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  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art, and propose a distributed control system and method for large-scale reciprocating compressor units, so as to solve the problems of explosion-proof control systems of large-scale units in the prior art, disorderly wiring, Problems with poor maintenance and weak performance

Method used

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  • Distributed type control system and method used for large reciprocating type compressor group
  • Distributed type control system and method used for large reciprocating type compressor group
  • Distributed type control system and method used for large reciprocating type compressor group

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Embodiment 1

[0020] The distributed control system for large reciprocating compressor units described in this embodiment, its main structure includes a main controller, MPS system, ESM system, communication system, remote I / O, local I / O, HMI, field sensors , an actuator, a power module and a field bus; the communication system, the MPS system, and the ESM system are slave controllers, the slave controller executes the instructions of the master controller, and the master controller communicates with the local I / O through the backplane bus, Directly monitor field sensors and control actuators; the main controller is connected with MPS system, communication system, ESM system, HMI through field bus, such as Modbus, Profibus, Profinet, Ethernet, CAN, etc., and directly controls with remote I / O communication On-site sensors and actuators; the communication system is connected to the ESM system through the CAN bus protocol or Modbus communication protocol; the remote I / O and local I / O are connec...

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Abstract

The invention belongs to the technical field of industrial automation, in particular to a distributed type control system and method used for a large reciprocating type compressor group. The control system structurally comprises a main controller, an MPS system, an ESM system, a communication system, remote I/O, local I/O, HMI, a field sensor, a performer and the like, wherein the communication system, the MPS system and the ESM system are a slave controller; the slaver controller performs an instruction of the main controller; the main controller is in communication with the local I/O througha backboard bus for directly monitoring the field sensor and controlling the performer; the main controller is connected with the MPS system, the communication system and the like through field buses, and is in communication with the remote I/O for directly controlling the field sensor and the performer. The control system performs reasonable modularized integrated grouping on conventional intensive type control, adopts a combined form of the remote I/O, the main controller and the field bus to perform reasonable function dismounting, so that the parts are distributed on every parts of the unit, so that the problems such as difficult explosion protection, disorderly ordering, poor maintenance and weak performance are effectively solved.

Description

technical field [0001] The invention belongs to the technical field of industrial automation, and in particular relates to a distributed control system and method for a large reciprocating compressor unit. Background technique [0002] With the continuous improvement of environmental protection requirements and the implementation of large-scale coal-to-gas conversion, the demand for natural gas compressor units continues to increase, and the performance requirements for natural gas compressors continue to increase, especially large reciprocating compressor units. [0003] Large-scale reciprocating natural gas compressor unit is a common equipment for natural gas pressurization, and is widely used in petroleum, chemical, gas filling stations, booster stations and other places. The large reciprocating compressor unit has the characteristics of large processing capacity, many modular skids, many instrument measuring points and wide distribution, independent MPS system, and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCG05B19/418G05B19/4188Y02P90/02
Inventor 张召黄学龙
Owner SHANDONG KERUI COMPRESSOR
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