CN111429700A - Real-time data acquisition and processing system for natural gas transmission station - Google Patents
Real-time data acquisition and processing system for natural gas transmission station Download PDFInfo
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- CN111429700A CN111429700A CN202010226289.4A CN202010226289A CN111429700A CN 111429700 A CN111429700 A CN 111429700A CN 202010226289 A CN202010226289 A CN 202010226289A CN 111429700 A CN111429700 A CN 111429700A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Combustion & Propulsion (AREA)
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Abstract
The invention belongs to the technical field of natural gas transmission stations, and particularly relates to a real-time data acquisition and processing system of a natural gas transmission station, which comprises a first central processing unit, wherein the first central processing unit is respectively and electrically connected with a first storage, a comparator, a wireless communication module, a data acquisition module, an alarm module, a GPS positioning module, a fire extinguishing device, a bypass system and a monitoring device in an input mode, the first central processing unit is connected with a second central processing unit through the wireless communication module, the second central processing unit is bidirectionally connected with a second storage module, the second central processing unit is electrically connected with an alarm command center in an output mode, the first storage is used for storing data acquired by the data acquisition module, the comparator is used for comparing the data acquired by the data acquisition module with preset data for safety reminding, if the data are up, an alarm is started, the data acquisition module is used for acquiring data related to natural gas in the gas transmission station, the monitoring device is used for monitoring the condition in the gas transmission station.
Description
Technical Field
The invention belongs to the technical field of natural gas transmission stations, and particularly relates to a real-time data acquisition and processing system for a natural gas transmission station.
Background
The natural gas transmission station is a place for providing fuel for natural gas automobiles and large CNG substation vehicles in a compressed natural gas mode, gas in a natural gas pipeline is generally subjected to pre-purification treatment to remove sulfur and water in the gas, then the pressure is compressed from 0.1-1.0Mpa to 25Mpa by a compressor unit, and finally the gas is transmitted to the vehicles through a gas selling machine.
Disclosure of Invention
The invention provides a real-time data acquisition and processing system for a natural gas transmission station, which is used for solving the problems that the existing natural gas transmission station equipment is dispersed in control, low in automation degree and informatization degree, most of the equipment depends on manual inspection, operation processing and recording, so that the equipment is low in working efficiency and low in safety performance, the operation cost of the gas transmission station is greatly increased, and the use by people is not facilitated.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a real-time data acquisition and processing system of a natural gas transmission station comprises a first central processing unit, wherein the first central processing unit is respectively and electrically connected with a first storage device, a comparator, a wireless communication module, a data acquisition module, an alarm module, a GPS positioning module, a fire extinguishing device, a bypass system and a monitoring device in an input mode, the first central processing unit is connected with a second central processing unit through the wireless communication module, the second central processing unit is bidirectionally connected with a second storage module, the second central processing unit is electrically connected with an alarm command center in an output mode, the first storage device is used for storing data acquired by the data acquisition module, the comparator is used for comparing the data acquired by the data acquisition module with preset data for safety reminding, if the data are up, an alarm is started, the data acquisition module is used for acquiring data related to natural gas in the gas transmission station, the monitoring device is used for monitoring the condition in the gas transmission station.
Preferably, the data acquisition module comprises a liquid storage tank liquid level acquisition module, a pressure acquisition module, a gas delivery gun flow acquisition module, a temperature acquisition module, a humidity acquisition module and a combustible gas concentration acquisition module, wherein the liquid storage tank liquid level acquisition module, the pressure acquisition module, the gas delivery gun flow acquisition module, the temperature acquisition module, the humidity acquisition module and the combustible gas concentration acquisition module are installed in the gas delivery gun, and are used for monitoring environmental parameters in the gas delivery station.
Preferably, the alarm module comprises a buzzer and a microcontroller, the buzzer is connected with the microcontroller, and the microcontroller is connected with the first central processing unit.
Preferably, the fire extinguishing device comprises a signal receiving module, an electromagnetic valve, a water storage tank and a plurality of spray heads, the signal receiving module is connected with the first central processing unit, the electromagnetic valve is connected with the signal receiving module, the electromagnetic valve is connected with the spray heads and used for controlling the spray heads to be opened and closed, and the water storage tank is connected with the spray heads through a water supply pipeline.
Preferably, the alarm command center is 119 fire alarm command center.
Preferably, the monitoring device comprises an image acquisition unit, a wireless transmission module and a control module, wherein the image acquisition unit is connected with the control module, the control module is connected with the wireless transmission module, and the wireless transmission module is connected with the first central processing unit.
Preferably, the bypass system comprises a control valve, a gasification device, a pressure regulating system and a metering system which are sequentially connected through a conveying pipe, the control valve, the gasification device, the pressure regulating system and the metering system are respectively connected with the first central processing unit, the pressure regulating system comprises at least two pressure regulating devices, and the pressure regulating devices are respectively connected in parallel on the conveying pipe at the output end of the gasification device through filters; the metering system comprises at least two metering devices which are connected in parallel, the metering devices are connected with a flow transmitter, a temperature transmitter and a pressure transmitter, and the output end of the metering system is connected with an insulating joint.
Preferably, the input and output ends of the gasification device, the pressure regulating device and the metering device are connected with an emergency cut-off valve, and the output end of the metering system is provided with the emergency cut-off valve.
The beneficial technical effects of the invention are as follows:
1. through setting up data acquisition module, including installing the liquid storage pot liquid level collection module in the gas holder, pressure acquisition module, install defeated gas rifle flow acquisition module on defeated gas rifle, a temperature acquisition module for monitoring defeated gas station internal environment parameter, humidity acquisition module and combustible gas concentration acquisition module, capacity and pressure that can the surplus natural gas in the real-time detection liquid storage pot, and can collect the temperature in the defeated gas station, humidity and combustible gas's concentration, can be fit for monitoring the safety at defeated gas station through these data, improve the security at defeated gas station.
2. Through setting up alarm module, extinguishing device and second central controller and connecting alarm command center, when gas transmission station conflagration breaing out, the alarm module can carry out the police dispatch to the personnel on scene, and extinguishing device opens earlier and puts out a fire control intensity of a fire to the scene, notifies 119 alarm command center simultaneously and dispatches the fire brigade to put out a fire on the scene.
3. Through adding the bypass system, with storage tank bottom interface sharing pipeline, the conveyer pipe has improved the ability bypass system of the emergent gasification air feed of gas transmission station and has connected gradually vaporizer, air-vent valve, meter and odorizing machine, L NG realizes going out liquid gasification promptly after getting into the bypass system, and the supply pressure and the flow of natural gas are stable, and emergent supply efficiency is high, can maintain gas transmission station normal operating.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
FIG. 2 is a schematic diagram of the operation of the data acquisition module of the present invention;
FIG. 3 is a schematic diagram showing the operation of the comparator, alarm module and fire extinguishing apparatus of the present invention;
FIG. 4 is a schematic diagram illustrating the operation of the bypass system of the present invention;
fig. 5 is a schematic diagram of the operation of the monitoring device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A real-time data acquisition and processing system of a natural gas transmission station comprises a first central processing unit, wherein the first central processing unit is respectively and electrically connected with a first storage device, a comparator, a wireless communication module, a data acquisition module, an alarm module, a GPS positioning module, a fire extinguishing device, a bypass system and a monitoring device in an input mode, the first central processing unit is connected with a second central processing unit through the wireless communication module, the second central processing unit is bidirectionally connected with a second storage module, the second central processing unit is electrically connected with an alarm command center in an output mode, the first storage device is used for storing data acquired by the data acquisition module, the comparator is used for comparing the data acquired by the data acquisition module with preset data for safety reminding, if the data are up, an alarm is started, the data acquisition module is used for acquiring data related to natural gas in the gas transmission station, the monitoring device is used for monitoring the condition in the gas transmission station.
Before the natural gas concentration index comparison device is used, a manager determines the maximum concentration value of the natural gas index according to the specific condition of the gas transmission station, the natural gas concentration index alarm threshold value is input to the first central processing unit at the setting module, and the first central processing unit sends the received natural gas concentration index alarm threshold value to the comparator to serve as the natural gas index data comparison value.
It should be noted that, the data acquisition module includes liquid storage pot liquid level acquisition module, pressure acquisition module installed in the gas storage tank, gas delivery rifle flow acquisition module installed on gas delivery rifle, temperature acquisition module, humidity acquisition module and the combustible gas concentration acquisition module that are used for monitoring gas delivery station internal environment parameter, liquid storage pot liquid level acquisition module, pressure acquisition module, gas delivery rifle flow acquisition module, temperature acquisition module, humidity acquisition module and combustible gas concentration acquisition module with a central processing unit connects.
The alarm module comprises a buzzer and a microcontroller, the buzzer is connected with the microcontroller, and the microcontroller is connected with the first central processing unit.
When the invention is used, the temperature acquisition module, the humidity acquisition module and the combustible gas concentration acquisition module which are used for monitoring the environmental parameters in the gas transmission station are used for acquiring natural gas data in the gas transmission station, the natural gas data acquired in real time are sent to the A/D converter for analog quantity and digital quantity conversion, the converted natural gas data digital information is respectively sent to the comparator for comparison, the natural gas data acquired in real time in the gas transmission station is compared with the natural gas concentration index alarm threshold value in the comparator, if the comparison result shows that the natural gas index data acquired in real time is greater than the natural gas index alarm threshold value, the feedback module feeds back the relevant information to the first central controller, the first central controller immediately drives the buzzer alarm to give out a buzzer alarm through the microcontroller, and closes the natural gas valve through the bypass system, the external natural gas is prevented from flowing into the gas using point, so that the on-site alarming work is completed, and the effect of high sensitivity is achieved.
It should be noted that the fire extinguishing apparatus includes a signal receiving module, an electromagnetic valve, a water storage tank and a plurality of spray heads, the signal receiving module is connected with the first central processing unit, the electromagnetic valve is connected with the signal receiving module, the electromagnetic valve is connected with the plurality of spray heads and used for controlling the spray heads to be opened and closed, and the water storage tank is connected with the plurality of spray heads through a water supply pipeline.
It will be appreciated that the alarm command center is a 119 fire alarm command center.
It should be noted that the monitoring device includes an image acquisition unit, a wireless transmission module and a control module, the image acquisition unit is connected to the control module, the control module is connected to the wireless transmission module, and the wireless transmission module is connected to the first central processing unit.
It should be noted that the bypass system comprises a control valve, a gasification device, a pressure regulating system and a metering system which are sequentially connected by a conveying pipe, wherein the control valve, the gasification device, the pressure regulating system and the metering system are respectively connected with the first central processing unit, the pressure regulating system comprises at least two pressure regulating devices, and the pressure regulating devices are respectively connected in parallel on the conveying pipe at the output end of the gasification device through a filter; the metering system comprises at least two metering devices which are connected in parallel, the metering devices are connected with a flow transmitter, a temperature transmitter and a pressure transmitter, and the output end of the metering system is connected with an insulating joint.
And if the comparison result is that the natural gas index acquired in real time is smaller than the natural gas index alarm threshold value, the first central controller receives the relevant information and opens the natural gas valve switch through the control valve to allow the external natural gas to be released to flow into the gas point of the gas transmission station.
The input and output ends of the gasification device, the pressure regulating device and the metering device are all connected with an emergency cut-off valve, and the output end of the metering system is provided with the emergency cut-off valve. The gasification device, the pressure regulating device and the metering device are respectively a vaporizer, a pressure regulating valve and a flowmeter.
In the description of the present invention, it is to be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting.
Claims (8)
1. A real-time data acquisition and processing system of a natural gas transmission station is characterized by comprising a first central processing unit, wherein the first central processing unit is respectively and electrically connected with a first storage device, a comparator, a wireless communication module, a data acquisition module, an alarm module, a GPS positioning module, a fire extinguishing device, a bypass system and a monitoring device in an input mode, the first central processing unit is connected with a second central processing unit through the wireless communication module, the second central processing unit is bidirectionally connected with a second storage module, the second central processing unit is electrically connected with an alarm command center in an output mode, the first storage device is used for storing data acquired by the data acquisition module, the comparator is used for comparing the data acquired by the data acquisition module with preset data for safety reminding, if the data is up to the preset data, an alarm is started, the data acquisition module is used for acquiring data related to natural gas in the gas transmission station, the monitoring device is used for monitoring the condition in the gas transmission station.
2. The real-time data acquisition and processing system for the natural gas transmission station as claimed in claim 1, wherein the data acquisition module comprises a liquid storage tank liquid level acquisition module, a pressure acquisition module, a gas transmission gun flow acquisition module installed on a gas transmission gun, a temperature acquisition module, a humidity acquisition module and a combustible gas concentration acquisition module for monitoring environmental parameters in the gas transmission station, and the liquid storage tank liquid level acquisition module, the pressure acquisition module, the gas transmission gun flow acquisition module, the temperature acquisition module, the humidity acquisition module and the combustible gas concentration acquisition module are connected with the first central processing unit.
3. The real-time data acquisition and processing system for the natural gas transmission station according to claim 1, wherein the alarm module comprises a buzzer and a microcontroller, the buzzer is connected with the microcontroller, and the microcontroller is connected with the first central processing unit.
4. The real-time data acquisition and processing system for the natural gas transmission station as claimed in claim 1, wherein the fire extinguishing device comprises a signal receiving module, a solenoid valve, a water storage tank and a plurality of spray heads, the signal receiving module is connected with the first central processing unit, the solenoid valve is connected with the signal receiving module, the solenoid valve is connected with the spray heads and used for controlling the spray heads to open and close, and the water storage tank is connected with the spray heads through a water supply pipeline.
5. The real-time data acquisition and processing system for the natural gas transmission station as claimed in claim 1, wherein the alarm command center is a 119 fire alarm command center.
6. The real-time data acquisition and processing system for the natural gas transmission station as claimed in claim 1, wherein the monitoring device comprises an image acquisition unit, a wireless transmission module and a control module, the image acquisition unit is connected with the control module, the control module is connected with the wireless transmission module, and the wireless transmission module is connected with the first central processing unit.
7. The real-time data acquisition and processing system of the natural gas transmission station according to claim 1, wherein the bypass system comprises a control valve, a gasification device, a pressure regulating system and a metering system which are sequentially connected by a conveying pipe, the control valve, the gasification device, the pressure regulating system and the metering system are respectively connected with the first central processing unit, the pressure regulating system comprises at least two pressure regulating devices, and the pressure regulating devices are respectively connected in parallel on the conveying pipe at the output end of the gasification device through filters; the metering system comprises at least two metering devices which are connected in parallel, the metering devices are connected with a flow transmitter, a temperature transmitter and a pressure transmitter, and the output end of the metering system is connected with an insulating joint.
8. The real-time data acquisition and processing system for the natural gas transmission station according to claim 7, wherein the input end and the output end of the gasification device, the pressure regulating device and the metering device are connected with an emergency cut-off valve, and the output end of the metering system is provided with the emergency cut-off valve.
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| CN202010226289.4A CN111429700A (en) | 2020-03-27 | 2020-03-27 | Real-time data acquisition and processing system for natural gas transmission station |
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| CN202010226289.4A CN111429700A (en) | 2020-03-27 | 2020-03-27 | Real-time data acquisition and processing system for natural gas transmission station |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112330494A (en) * | 2020-11-26 | 2021-02-05 | 沈阳惠东管道控制有限公司 | Real-time data acquisition and processing system for natural gas transmission station |
| CN112762995A (en) * | 2020-12-30 | 2021-05-07 | 昆山市华民气体供应有限公司 | Novel online gas bin monitoring system |
| CN113222235A (en) * | 2021-04-30 | 2021-08-06 | 中国石油天然气股份有限公司 | Natural gas index prediction method and system based on diffusion and synthesis indexes |
| CN115370958A (en) * | 2022-05-05 | 2022-11-22 | 成都秦川物联网科技股份有限公司 | LNG distributed energy Internet of things intelligent air supply management method and LNG distributed energy Internet of things intelligent air supply device |
| CN115371733A (en) * | 2022-08-26 | 2022-11-22 | 中交四航局江门航通船业有限公司 | Natural gas fuel supply safety monitoring system for dual-fuel ship |
| CN118622216A (en) * | 2024-08-09 | 2024-09-10 | 西安洛科电子科技股份有限公司 | Intelligent monitoring system and method for high-sulfur-content natural gas well |
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| CN112330494A (en) * | 2020-11-26 | 2021-02-05 | 沈阳惠东管道控制有限公司 | Real-time data acquisition and processing system for natural gas transmission station |
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| CN118622216A (en) * | 2024-08-09 | 2024-09-10 | 西安洛科电子科技股份有限公司 | Intelligent monitoring system and method for high-sulfur-content natural gas well |
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Application publication date: 20200717 |