CN203241816U - Ethernet-based monitoring system of natural gas compressor - Google Patents

Abstract

A natural gas compressor monitoring system based on Ethernet, the natural gas compressor includes a host system, hydraulic system, cooling system, gas supply system and automatic control system; the monitoring system is a three-level monitoring system, including on-site monitoring system, management monitoring system system and a remote monitoring system; the on-site monitoring system includes at least one on-site monitoring part, each on-site monitoring part includes on-site control module, on-site sensing module and on-site interactive interface, and the on-site monitoring system is connected to the management through an Ethernet interchanger Monitoring system, the management and monitoring system is connected to the Internet through a router. The utility model realizes three-level monitoring and remote monitoring, and also realizes real-time monitoring of natural gas, especially the pressure, temperature and other signals of the compressor and timely Carry out an alarm and output a report.

Description

Monitoring System of Natural Gas Compressor Based on Ethernet

technical field

The utility model relates to a monitoring technology of a natural gas compressor, in particular to an Ethernet-based natural gas compressor monitoring system. the

Background technique

With the development of PLC control technology, computer, communication, network and other technologies, the field of information interaction and communication is rapidly covering all levels from the industrial field equipment layer to control and management. Industrial control machines have been widely used in the measurement and control of industrial production processes and their electromechanical equipment and process equipment. the

In the field of natural gas compressors, due to the safety characteristics of natural gas, real-time monitoring is required. Although there are some monitoring devices, their functions are single and it is difficult to realize remote monitoring. the

For this reason, in view of the above-mentioned defects, the designer of the present utility model has researched and designed a kind of natural gas compressor monitoring system based on Ethernet to overcome the above-mentioned defects . the

Contents of the invention

The purpose of this utility model is to provide a natural gas compressor monitoring system based on Ethernet, which is simple in structure, easy to use, realizes three-level monitoring and remote monitoring, and also realizes real-time monitoring of natural gas, especially for monitoring compressors Signals such as pressure and temperature, and timely alarm and output reports. the

In order to achieve the above purpose, the utility model discloses a natural gas compressor monitoring system based on Ethernet communication, the natural gas compressor includes a host system, a hydraulic system, a cooling system, a gas supply system and an automatic control system; it is characterized in that:

The monitoring system is a three-level monitoring system, including on-site monitoring system, management monitoring system and remote monitoring system;

The on-site monitoring system includes at least one on-site monitoring part, each on-site monitoring part includes an on-site control module, an on-site sensing module and an on-site interactive interface,

The on-site monitoring system is connected to the management and monitoring system through an Ethernet interactor, and the management and monitoring system is connected to the Internet through a router. The remote monitoring system includes an engineer station, and the engineer station includes an Internet network card. the

Wherein, the field control module includes a control unit, an I/O module and an Ethernet module, and the field sensing module includes actuators, sensors and other equipment. The interface is connected with the on-site interactive interface to provide operations for on-site personnel, and the on-site sensing module is connected with the I/O module for bidirectional signal transmission. the

Wherein, the sensor includes a pressure sensor and a temperature sensor, the actuator includes a solenoid valve, a braking unit and an emergency stop device, and the other equipment includes an alarm connected to the sensor. the

Wherein, the alarm is an audible and visual alarm. the

Wherein, the management and monitoring system includes an administrator station and a printer, and the administrator station includes an Ethernet network card and an Internet network card, and the Ethernet module of the on-site monitoring module and the Ethernet network card are connected to the Ethernet interactor, and the Internet The network card is connected to the router. the

Through the above structure, the utility model has achieved the following technical effects:

1. Realize the three-level real-time monitoring of the operator's on-site real-time operation, the administrator's real-time management, and the engineer's remote diagnosis and maintenance, ensuring safe and timely maintenance;

2. Remote debugging and maintenance can be performed when needed, which greatly saves maintenance costs and time;

3. Comprehensive and reliable monitoring, more practical. the

The details of the present invention can be obtained from the following description and the accompanying drawings. the

Description of drawings

Fig. 1 has shown the structural diagram of the natural gas compressor monitoring system based on Ethernet communication of the present invention. the

Detailed ways

Referring to Fig. 1, the utility model relates to a natural gas compressor monitoring system based on Ethernet communication, wherein the natural gas compressor includes a motor, a crankshaft connecting rod mechanism, a cylinder, a piston, a lubrication system and a cooling system. the

The monitoring system of the utility model is a three-level monitoring system, including an on-site monitoring system 1 , a management monitoring system 2 and a remote monitoring system 3 . the

Among them, the on-site monitoring system 1 performs real-time monitoring on at least one natural gas compressor, including at least one on-site monitoring part, and each on-site monitoring part includes on-site control module 11, on-site sensing module 12 and on-site interactive interface 13 (HMI), the on-site control Module 11 includes control unit (CPU), I/O module and Ethernet module. The on-site sensing module 12 includes actuators, sensors and other equipment. The on-site interactive interface 13 can use Siemens SMART 700 or touch screen, etc. As an interactive device, the control unit is connected to the on-site interactive interface 13 through the RS485 interface to provide operations for on-site personnel, and the on-site sensing module 12 is connected to the I/O module for two-way signal transmission. the

In order to realize effective monitoring, the sensor includes a pressure sensor, a temperature sensor, etc., the actuator includes a solenoid valve, a braking unit, an emergency stop device, etc., and the other equipment includes an alarm connected to the sensor, etc. the

Thus, the signals of each sensor can be transmitted to the control unit in real time through the I/O module and displayed on the on-site interactive interface, and the on-site operators can easily read and understand the working conditions of the natural gas compressor through the on-site interactive interface 13, At the same time, the on-site operators can also input the operation signal through the on-site interactive interface, and the I/O module will transmit the operation signal to each actuator in real time, and the alarm can be activated after the sensor signal exceeds the alarm value after the alarm value is set. Alarm, preferably, the alarm is an audible and visual alarm. the

Wherein, the on-site monitoring system 1 is connected to the management monitoring system 2 through an Ethernet interactor, and the management monitoring system 2 includes an administrator station 21 and a printer 22, and the administrator station 21 includes an Ethernet network card and an Internet network card, and the on-site monitoring system The Ethernet module of the module 11 and the Ethernet network card are connected to the Ethernet interoperator, and the Internet network card is connected to the router. When the on-site monitoring module 11 obtains monitoring signals and operation signals, these signals are passed to the Ethernet interoperator through the Ethernet interoperator. The administrator station 21, at the same time, the administrator station 21 can also transmit the operator's operation signal to the on-site monitoring system 1. the

Wherein, remote monitoring system 3 comprises an engineer station 31, and this engineer station 31 comprises an Internet network card, thus, when management monitoring system 2 obtains monitoring signal and operation signal, these signals are all sent to Internet by router, and engineer station 31 These signals are obtained from the Internet, and at the same time, the engineer station 31 can also transmit the engineer's operation signals to the management monitoring system and the on-site monitoring system 1 . the

Among them, the Ethernet module is Siemens CP243-1, and the field control module is a PLC system composed of Siemens PLC CPU226XP connected to I/O modules and Ethernet modules. the

This shows that the utility model has the following advantages:

1. Realize the three-level real-time monitoring of the operator's on-site real-time operation, the administrator's real-time management, and the engineer's remote diagnosis and maintenance, ensuring safe and timely maintenance;

2. Remote debugging and maintenance can be performed when needed, which greatly saves maintenance costs and time;

3. Comprehensive and reliable monitoring, more practical. the

Obviously, the above descriptions and records are only examples and not intended to limit the disclosure, application or use of the present utility model. Although described in the embodiment and described the embodiment in the accompanying drawings, the utility model is not limited by the examples of the accompanying drawings and described in the embodiment as the best mode currently considered to implement the teaching of the utility model Certain examples, the scope of the present invention shall include any embodiment falling within the foregoing description and appended claims. the

Claims (5)

1. A natural gas compressor monitoring system based on Ethernet, the natural gas compressor comprises a host system, a hydraulic system, a cooling system, a gas supply system and an automatic control system; it is characterized in that: The monitoring system is a three-level monitoring system, including on-site monitoring system, management monitoring system and remote monitoring system; The on-site monitoring system includes at least one on-site monitoring part, and the on-site monitoring part includes on-site control module, on-site sensing module and on-site interactive interface, The on-site monitoring system is connected to the management monitoring system through an Ethernet interactor, the management monitoring system is connected to the Internet through a router, and the remote monitoring system includes an engineer station, and the engineer station includes an Internet network card. the 2. The natural gas compressor monitoring system as claimed in claim 1, wherein the field control module includes a control unit, an I/O module and an Ethernet module, and the field sensing module includes an actuator, a sensor and other equipment, The on-site interactive interface is Siemens SMART 700 or touch screen, and the control unit is connected to the on-site interactive interface through the RS485 interface to provide operations for on-site personnel, and the on-site sensing module is connected to the I/O module for two-way signal transmission. the 3. The natural gas compressor monitoring system as claimed in claim 2, wherein the sensor includes a pressure sensor and a temperature sensor, the actuator includes a solenoid valve, a braking unit and an emergency stop device, and the other equipment includes a sensor connected to the sensor alarm. the 4. The natural gas compressor monitoring system according to claim 3, wherein the alarm is an audible and visual alarm. the 5. The natural gas compressor monitoring system as described in any one of claims 2-4, wherein the management monitoring system includes an administrator station and a printer, and the administrator station includes an Ethernet network card and an Internet network card, and the on-site The Ethernet module of the monitoring module and the Ethernet network card are connected to the Ethernet interconnector, and the Internet network card is connected to the router. the

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