CN220020394U - GDS system with quick response - Google Patents
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- CN220020394U CN220020394U CN202321562172.9U CN202321562172U CN220020394U CN 220020394 U CN220020394 U CN 220020394U CN 202321562172 U CN202321562172 U CN 202321562172U CN 220020394 U CN220020394 U CN 220020394U
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- 230000004044 response Effects 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 108
- 238000001514 detection method Methods 0.000 claims abstract description 97
- 239000002341 toxic gas Substances 0.000 claims abstract description 67
- 230000003993 interaction Effects 0.000 claims abstract description 14
- 238000004891 communication Methods 0.000 claims description 52
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000009977 dual effect Effects 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 7
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000003889 chemical engineering Methods 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 description 7
- 230000002588 toxic effect Effects 0.000 description 7
- 239000000523 sample Substances 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a GDS system with quick response, which is applied to petrochemical industry and comprises the following components: the device comprises a combustible gas detection unit and a toxic gas detection unit, wherein the combustible gas detection unit is used for detecting combustible gas at the oil tank, and the toxic gas detection unit is used for detecting toxic gas at the oil tank; the control module comprises a PLC main station and a PLC substation unit, the PLC main station is connected with the PLC substation, the PLC substation is respectively connected with the combustible gas detection unit and the toxic gas detection unit, and the server module comprises a data acquisition server which is used for acquiring and storing PLC data of the PLC main station; the man-machine interaction module comprises a gas OS station, wherein the gas OS station is used for displaying PLC data and generating alarm signals. The on-site gas detection unit can be conveniently accessed through the PLC substation, the PLC data transmitted through the Ethernet is fast and accurate, the real-time monitoring is completed through data acquisition and real-time display, and the on-site gas detection unit is not interfered with the DCS system, so that the on-site gas detection unit can be widely applied to the technical field of chemical engineering monitoring.
Description
Technical Field
The utility model relates to the technical field of chemical engineering monitoring, in particular to a GDS system with quick response.
Background
The GDS (combustible gas and toxic gas detection alarm system, gas Detection System) system in the market at present mostly adopts electronic products such as a microprocessor-based PLC module, an alarm controller and the like which are independently arranged, when the concentration detected by a certain detector exceeds an upper limit or is lower than a lower limit, alarm signals are output through the DO module, and the functions of real-time monitoring, early warning processing, equipment linkage and the like are realized, so that the self-failure of a processing control unit is timely reminded, and the stable and reliable operation of the system is ensured.
The existing petrochemical enterprises access the flammable and toxic gas detection detectors to the DCS control system of the factory, and when some part of the flammable gas and toxic gas detection alarm system is in a problem, the system is stopped, so that the normal operation of the whole DCS system is affected, and great loss is caused to the factory.
Disclosure of Invention
Accordingly, an objective of the embodiments of the present utility model is to provide a rapid-response GDS system, which is independent of a plant DCS control system, and can rapidly respond and monitor alarms in real time.
The embodiment of the utility model provides a GDS system with quick response, which is applied to petrochemical industry and comprises the following steps: the system comprises a gas detection module, a server module, a communication module, a control module and a man-machine interaction module;
the gas detection module comprises a combustible gas detection unit and a toxic gas detection unit, wherein the combustible gas detection unit is used for detecting combustible gas at the oil tank, and the toxic gas detection unit is used for detecting toxic gas at the oil tank;
the control module comprises a PLC main station and a PLC substation unit, the PLC main station is connected with the PLC substation unit through the communication module, the PLC substation unit is respectively connected with the combustible gas detection unit and the toxic gas detection unit, the PLC substation unit is used for sending a first instruction to the combustible gas detection unit and the toxic gas detection unit and receiving the combustible gas information and the toxic gas information, and the PLC main station is used for sending a second instruction to the PLC substation unit and receiving the combustible gas information and the toxic gas information; wherein, a PLC substation is correspondingly connected with a toxic gas detection unit and a flammable gas detection unit;
the server module comprises a data acquisition server, wherein the data acquisition server is used for acquiring and storing PLC data of the PLC master station;
the man-machine interaction module comprises a gas OS station, wherein the gas OS station is connected with the PLC master station through the communication module and is used for displaying PLC data and generating alarm signals.
Optionally, the communication module includes an ethernet unit and an optical cable transmission unit, the ethernet unit the data acquisition server is connected with the PLC master station through the ethernet unit, and the PLC master station is connected with the PLC substation unit through the optical cable transmission unit.
Optionally, the ethernet unit employs dual TCP/IP communication.
Optionally, the server module further includes a SCADA server, where the SCADA server is configured to collect, through an ethernet unit, PLC data of the PLC master station 5 in real time and send a third instruction to the PLC master station.
Optionally, a first path of the dual TCP/IP is used for communication between the PLC master station and the data acquisition server, and a second path of the dual TCP/IP is used for communication between the PLC master station and the SCADA server.
Optionally, the gas OS station is further configured to display a screen at the tank.
Optionally, the GDS system further includes an indicator light module, where the indicator light module is connected to the man-machine interaction module, and the indicator light module is configured to change a light emission color to display the alarm signal.
Optionally, the PLC master station and the PLC substation unit each include an RJ45 communication interface, and the optical cable transmission unit is connected with the RJ45 communication interface of the PLC master station and the RJ45 communication interface of the PLC substation unit through the photoelectric converter respectively.
Optionally, the combustible gas detection unit and the toxic gas detection unit each comprise an audible and visual alarm, and the audible and visual alarm is used for on-site alarm.
Optionally, the combustible gas detection unit includes a catalytic combustion sensor for detecting the concentration of the combustible gas.
The embodiment of the utility model has the following beneficial effects: the embodiment of the utility model provides a GDS system with quick response, which is applied to petrochemical industry and comprises the following components: the system comprises a gas detection module, a server module, a communication module, a control module and a man-machine interaction module; the gas detection module comprises a combustible gas detection unit and a toxic gas detection unit, wherein the combustible gas detection unit is used for detecting combustible gas at the oil tank, and the toxic gas detection unit is used for detecting toxic gas at the oil tank; the control module comprises a PLC main station and a PLC substation unit, the PLC main station is connected with the PLC substation unit through the communication module, the PLC substation unit is respectively connected with the combustible gas detection unit and the toxic gas detection unit, the PLC substation unit is used for sending a first instruction to the combustible gas detection unit and the toxic gas detection unit and receiving the combustible gas information and the toxic gas information, and the PLC main station is used for sending a second instruction to the PLC substation unit and receiving the combustible gas information and the toxic gas information; wherein, a PLC substation is correspondingly connected with a toxic gas detection unit and a flammable gas detection unit; the server module comprises a data acquisition server, wherein the data acquisition server is used for acquiring and storing PLC data of the PLC master station; the man-machine interaction module comprises a gas OS station, wherein the gas OS station is connected with the PLC master station through the communication module and is used for displaying PLC data and generating alarm signals. The PLC substation can be conveniently connected to the on-site gas detector, PLC data transmitted through the Ethernet are fast and accurate, real-time monitoring is completed through data acquisition and real-time display, and the PLC substation is not interfered with a DCS system, so that the use efficiency and fault tolerance of different systems are greatly improved.
Drawings
FIG. 1 is a block diagram of a fast-response GDS system provided in an embodiment of the present utility model;
FIG. 2 is a block diagram of another fast response GDS system provided by an embodiment of the present utility model;
reference numerals: the system comprises a fuel gas OS station 1, a data acquisition server 2, a HIS real-time history database server 3, a SCADA server 4, a PLC master station 5, a PLC substation unit 6 and a gas detection module 7.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In embodiments of the utility model, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "e.g." in an embodiment should not be taken as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
The terms "first" and "second" are used below for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
Referring to fig. 1, an embodiment of the present utility model provides a rapid response GDS system for petrochemical applications, comprising: the system comprises a gas detection module 7, a server module, a communication module, a control module and a man-machine interaction module;
the gas detection module 7 comprises a combustible gas detection unit and a toxic gas detection unit, wherein the combustible gas detection unit is used for detecting combustible gas at the oil tank, and the toxic gas detection unit is used for detecting toxic gas at the oil tank;
the control module comprises a PLC main station 5 and a PLC substation unit 6, the PLC main station 5 is connected with the PLC substation unit through the communication module, the PLC substation unit is respectively connected with the combustible gas detection unit and the toxic gas detection unit, the PLC substation unit is used for sending a first instruction to the combustible gas detection unit and the toxic gas detection unit and receiving the combustible gas information and the toxic gas information, and the PLC main station 5 is used for sending a second instruction to the PLC substation unit and receiving the combustible gas information and the toxic gas information; wherein, a PLC substation is correspondingly connected with a toxic gas detection unit and a flammable gas detection unit;
the server module comprises a data acquisition server 2, wherein the data acquisition server 2 is used for acquiring and storing PLC data of the PLC master station 5;
the man-machine interaction module comprises a gas OS station 1, wherein the gas OS station 1 is connected with a PLC master station 5 through a communication module, and the gas OS station 1 is used for displaying PLC data and generating alarm signals.
Specifically, one PLC master station 5 is connected with PLC substation units 6 through a communication module, and the number of PLC substations is not limited herein. As shown in fig. 1-2, a PLC master station 5 is connected with a PLC substation unit 6 through a communication module, the PLC substation unit 6 includes a plurality of substations such as a PLC substation 1 and a PLC substation 2, the PLC substation 1 is connected with a toxic gas detection unit 1 and a combustible gas detection unit 1 through the communication module, the toxic gas detection unit 1 collects toxic information 1 and then uploads the toxic gas information to the PLC substation 1 through the communication module, and the combustible gas detection unit 1 collects combustible information 1 and then uploads the combustible gas information to the PLC substation 1 through the communication module; the PLC substation 2 is connected with a toxic gas detection unit 2 and a combustible gas detection unit 2 through a communication module, the toxic gas detection unit 2 collects toxic information 2 and then uploads the toxic information to the PLC substation 2 through the communication module, and the combustible gas detection unit 2 collects combustible information 2 and then uploads the combustible information to the PLC substation 2 through the communication module; and so on, the signal acquisition flow of the PLC substation N is the same. The PLC substation 1 sends PLC data 1 to the PLC master Station 5 through the communication module, the PLC substation 2 sends PLC data 2 to the PLC master Station 5 through the communication module, and the PLC master Station 5 sends the PLC data 1, the PLC data 2 and parameter information of the PLC master Station 5 to the gas OS Station 1 (Operator Station) and the data acquisition server 2; the PLC data 1 comprises a combustible signal 1, a toxic signal 1 and parameter information of the PLC substation 1, and the PLC data 2 comprises a combustible signal 2, the toxic signal 2 and parameter information of the PLC substation 2; the fuel gas OS station 1 displays the PLC data 1, the PLC data 2 and the parameter information of the PLC master station 5 in real time, generates an alarm signal 1 according to the combustible signal 1 and the toxic signal 1, and generates an alarm signal 2 according to the combustible signal 2 and the toxic signal 2; the data acquisition server 2 stores the PLC data 1, the PLC data 2 and the parameter information of the PLC master station 5.
Referring to fig. 2, in a specific embodiment, the PLC substations include 8, which are respectively provided at 8 different places for flammable gas collection and toxic gas collection, and each PLC substation is connected with a flammable gas detector for detecting the concentration of the flammable gas and a toxic gas detector for detecting the concentration of the toxic gas.
Referring to fig. 1-2, optionally, the communication module includes an ethernet unit and an optical cable transmission unit, the ethernet unit is connected to the PLC master station 5 through the ethernet unit, and the PLC master station 5 is connected to the PLC substation unit through the optical cable transmission unit.
Specifically, the PLC master station 5 is connected to and receives PLC data of the PLC substation through an optical cable transmission unit. The quantity of PLC substations is set up according to the demand, and a toxic gas detector and a combustible gas detector are connected to every PLC substation. The PLC master station 5 is connected with the data acquisition server 2 and the gas OS station 1 in a wireless way through an Ethernet unit.
Referring to fig. 1-2, the ethernet unit optionally employs dual TCP/IP communications.
Optionally, the server module further includes a SCADA server 4, where the SCADA server 4 is configured to collect PLC data of the PLC master station 5 in real time through an ethernet unit and send a third instruction to the PLC master station 5.
Optionally, a first path of the dual TCP/IP is used for communication between the PLC master station 5 and the data acquisition server 2, and a second path of the dual TCP/IP is used for communication between the PLC master station 5 and the SCADA server 4.
Specifically, the ethernet adopts a TCP/IP (Transmission Control Protocol/Internet Protocol ) dual-network communication manner, the first path is used for communication between the PLC master station 5 and the data acquisition server 2, the second path is used for communication between the PLC master station 5 and the SCADA (Supervisory Control And Data Acquisition, data acquisition and monitoring control system) server, and the SCADA server 4 acquires the PLC data of the PLC master station 5 in real time through the second path of TCP/IP and sends a third instruction to the PLC master station 5.
Optionally, the gas OS station 1 is further configured to display a screen at the tank.
Specifically, the gas OS station 1 is connected with video camera, and displays the image of the oil tank in real time.
Optionally, the GDS system further includes an indicator light module, where the indicator light module is connected to the man-machine interaction module, and the indicator light module is configured to change a light emission color to display the alarm signal.
Specifically, the indicator light module comprises lamps with different colors, and the indicator light module reminds by sending out the lamps with different colors when alarming; the toxic gas is detected by the toxic gas detection unit 1 as the PLC substation 1, and at this time, the fuel gas OS station 1 displays the concentration of the toxic gas and alarms by red light.
Optionally, the PLC master station 5 and the PLC substation unit each include an RJ45 communication interface, and the optical cable transmission unit is connected with the RJ45 communication interface of the PLC master station 5 and the RJ45 communication interface of the PLC substation unit through the photoelectric converter respectively.
Specifically, the communication between the PLC master station 5 and the PLC substation unit adopts optical cable transmission, and is in butt joint with the RJ45 port of the communication module through the photoelectric converter, so that ring network communication is realized, 1 part of the optical cable breaks, and the system still continues to communicate.
Optionally, the combustible gas detection unit and the toxic gas detection unit each comprise an audible and visual alarm, and the audible and visual alarm is used for on-site alarm.
Specifically, the combustible gas detection unit and the toxic gas detection unit both comprise audible and visual alarms, and the audible and visual alarms are carried out when toxic gas or combustible gas is detected, so that on-site personnel can also find out in time.
Optionally, the combustible gas detection unit includes a catalytic combustion sensor for detecting the concentration of the combustible gas.
In a specific embodiment, the combustible gas detection unit comprises a combustible gas probe, the combustible gas probe adopts a catalytic combustion type sensor, and is three-wire, the output signal is 4-20mA, the power supply DC is 24V, and the measurement accuracy is that: 3% lel, explosion-proof flag: exdIICT6 Gb, IP66; the toxic gas detection unit comprises a toxic gas probe, wherein a toxic gas probe detection medium is C6H6, a three-wire system, an output signal is 4-20mA, a power supply DC24V, a measurement unit ppm and an explosion-proof mark: exdIICT6 Gb, IP66.
In one implementation, the alarms of the gas OS station 1 are divided into two categories, system component fault alarms (including diagnostic alarms and backup hardware fault alarms) and process alarms. Whatever the screen is on the screen at that time, the system should inform the operator in an audible and highlighting (flashing, color changing, etc.) manner for any alarms and call out the relevant screen with only one keystroke. The system prints each alarm in a mode of weighting, marking a bottom line and the like according to time sequence, and resumes the conventional printing after returning to normal. All alarms on the OS station or printer are date and time stamped. And setting a report and a forecast for the parameters. Alarms may be suppressed separately by an operator or by engineers on a zone-by-zone basis. The HIS real-time history database server 3 is used for storing data collected by history, which is stored for at most 3 years.
The master station adopts a PACSystems RX3i controller, and has a PACSystems RX3iCPU with built-in USB, ethernet and serial ports, 10Mbytes of memory, a bus network (Ethernet GlobalData, channels, modbus, TCP Server and Client), genius, profibus DP, deviceNet, profinet); 2 sets of independent special Ethernet are configured, and 1 set of RX3iPROFINET controllers are arranged, so that a double-sided door opening standard control cabinet is used. The substation adopts PACSystems remote I/O, PROFINET network adapter, 2 copper RJ45 ports, 1024 bytes (input+output).
The embodiment of the utility model has the following beneficial effects: the embodiment of the utility model provides a GDS system with quick response, which is applied to petrochemical industry and comprises the following components: the system comprises a gas detection module 7, a server module, a communication module, a control module and a man-machine interaction module; the gas detection module 7 comprises a combustible gas detection unit and a toxic gas detection unit, wherein the combustible gas detection unit is used for detecting combustible gas at the oil tank, and the toxic gas detection unit is used for detecting toxic gas at the oil tank; the control module comprises a PLC main station 5 and a PLC substation unit 6, the PLC main station 5 is connected with the PLC substation unit through the communication module, the PLC substation unit is respectively connected with the combustible gas detection unit and the toxic gas detection unit, the PLC substation unit is used for sending a first instruction to the combustible gas detection unit and the toxic gas detection unit and receiving the combustible gas information and the toxic gas information, and the PLC main station 5 is used for sending a second instruction to the PLC substation unit and receiving the combustible gas information and the toxic gas information; wherein, a PLC substation is correspondingly connected with a toxic gas detection unit and a flammable gas detection unit; the server module comprises a data acquisition server 2, wherein the data acquisition server 2 is used for acquiring and storing PLC data of the PLC master station 5; the man-machine interaction module comprises a gas OS station 1, wherein the gas OS station 1 is connected with a PLC master station 5 through a communication module, and the gas OS station 1 is used for displaying PLC data and generating alarm signals. The on-site gas detector can be conveniently accessed through the PLC substation unit, the PLC data transmitted through the Ethernet is fast and accurate, the real-time monitoring is completed through data acquisition and real-time display, the on-site gas detector is not interfered with the DCS system, and the use efficiency and fault tolerance of different systems are greatly improved.
While the preferred embodiment of the present utility model has been described in detail, the utility model is not limited to the embodiment, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the utility model, and these equivalent modifications and substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.
Claims (10)
1. A rapid response GDS system for use in petrochemical applications, comprising: the system comprises a gas detection module, a server module, a communication module, a control module and a man-machine interaction module;
the gas detection module comprises a combustible gas detection unit and a toxic gas detection unit, wherein the combustible gas detection unit is used for detecting combustible gas at the oil tank, and the toxic gas detection unit is used for detecting toxic gas at the oil tank;
the control module comprises a PLC main station and a PLC substation unit, the PLC main station is connected with the PLC substation unit through the communication module, the PLC substation unit is respectively connected with the combustible gas detection unit and the toxic gas detection unit, the PLC substation unit is used for sending a first instruction to the combustible gas detection unit and the toxic gas detection unit and receiving the combustible gas information and the toxic gas information, and the PLC main station is used for sending a second instruction to the PLC substation unit and receiving the combustible gas information and the toxic gas information; wherein, a PLC substation is correspondingly connected with a toxic gas detection unit and a flammable gas detection unit;
the server module comprises a data acquisition server, wherein the data acquisition server is used for acquiring and storing PLC data of the PLC master station;
the man-machine interaction module comprises a gas OS station, wherein the gas OS station is connected with the PLC master station through the communication module and is used for displaying PLC data and generating alarm signals.
2. The rapid response GDS system of claim 1, wherein the communication module includes an ethernet unit and an optical cable transmission unit, the ethernet unit the data acquisition server is connected to the PLC master station through the ethernet unit, and the PLC master station is connected to the PLC substation unit through the optical cable transmission unit.
3. The rapid response GDS system of claim 2, wherein the ethernet units employ dual TCP/IP communications.
4. The rapid response GDS system of claim 3, wherein the server module further comprises a SCADA server for collecting PLC data of the PLC master station in real time through an ethernet unit and transmitting a third instruction to the PLC master station.
5. The rapid response GDS system of claim 4, wherein a first path of the dual TCP/IP is used for communication between the PLC master and the data acquisition server and a second path of the dual TCP/IP is used for communication between the PLC master and the SCADA server.
6. The rapid response GDS system of claim 1, wherein the gas OS station is further configured to display a screen at the tank.
7. The rapid response GDS system of claim 1, further comprising an indicator light module coupled to the man-machine interaction module, the indicator light module configured to change a light color to display the alarm signal.
8. The rapid response GDS system of claim 2, wherein the PLC master station and the PLC substation unit each include an RJ45 communication interface, and the optical cable transmission unit is connected to the RJ45 communication interface of the PLC master station and the RJ45 communication interface of the PLC substation unit, respectively, through a photoelectric converter.
9. The rapid response GDS system of claim 1, wherein the combustible gas detection unit and the toxic gas detection unit each include an audible and visual alarm for in situ alerting.
10. The rapid response GDS system of claim 9, wherein the combustible gas detection unit includes a catalytic combustion sensor for detecting the concentration of the combustible gas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321562172.9U CN220020394U (en) | 2023-06-16 | 2023-06-16 | GDS system with quick response |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321562172.9U CN220020394U (en) | 2023-06-16 | 2023-06-16 | GDS system with quick response |
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| CN220020394U true CN220020394U (en) | 2023-11-14 |
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