CN212905948U - Resident SCADA air supply monitoring system - Google Patents
Resident SCADA air supply monitoring system Download PDFInfo
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- CN212905948U CN212905948U CN202021069876.9U CN202021069876U CN212905948U CN 212905948 U CN212905948 U CN 212905948U CN 202021069876 U CN202021069876 U CN 202021069876U CN 212905948 U CN212905948 U CN 212905948U
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Abstract
The utility model belongs to natural gas engineering design field, concretely relates to resident's user SCADA air feed monitoring system, include: the system comprises a switch, a communication module, an integrated CPU module and an AI analog quantity module; the integrated CPU module is respectively and electrically connected with the switch, the communication module and the AI analog quantity module; the communication module is also connected with an AS ultrasonic flowmeter; the integrated CPU module is connected with an audible and visual alarm through a relay, is connected with an explosion-proof magnetic switch through another relay, and is also connected with an IQ electric actuator; the AI analog quantity module is connected with a plurality of groups of combustible gas detectors through a safety isolation grid; the system effectively solves the problem that town gas enterprises integrally master the data of gas consumption parameters of residential user districts, realizes the real-time monitoring of necessary data such as natural gas flow, pressure, temperature and the like of remote monitoring districts, realizes the functions of remotely controlling valves and controlling and cutting off, and provides effective data support for future pipe network planning of town gas enterprises.
Description
Technical Field
The utility model belongs to natural gas engineering design field, concretely relates to resident user SCADA air feed monitoring system.
Background
The SCADA (supervisory Control And Data acquisition) system is a Data acquisition And monitoring Control system, is a DCS And electric power automatic monitoring system based on a computer, And can be applied to various fields such as Data acquisition And monitoring Control And process Control of electric power, metallurgy, petroleum, chemical engineering, gas, railways And the like.
However, no matter the starting point is provided with the regional pressure regulating cabinet or each cell adopts secondary pressure regulation, the real-time data acquisition and monitoring control of the gas consumption and the gas pressure of natural gas in residential user districts can not be achieved; the gas enterprises can only open the number of households from macroscopic secondary users, each household uses the double-eye stove and the water heater, the maximum gas consumption of each household is calculated according to the standard of 2.5m3/h and the simultaneous working coefficient K of the household domestic gas appliance is referred to the urban gas design Specification GB 50028 plus 2006, and therefore the maximum gas consumption is calculated. The method is used as a theoretical basis for calculating the pipe diameter of the pipe network, and the data is only limited to calculation of theoretical data and cannot reflect the actual gas consumption.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a resident's user SCADA air feed monitoring system. The to-be-solved technical problem of the utility model is realized through following technical scheme:
a residential SCADA air supply monitoring system, comprising: the system comprises a switch, a communication module, an integrated CPU module and an AI analog quantity module; the integrated CPU module is respectively and electrically connected with the switch, the communication module and the AI analog quantity module; the communication module is also connected with an AS ultrasonic flowmeter; the integrated CPU module is connected with an audible and visual alarm through a relay, is connected with an explosion-proof magnetic switch through another relay, and is also connected with an IQ electric actuator; the AI analog quantity module is connected with a plurality of groups of combustible gas detectors through a safety barrier.
Further, the communication module is a CM1241 for communicating with an output serial port after internal correction calculation of the flow meter.
Further, the integrated CPU module includes a 1214C processor for processing the logic operation of the whole system.
Further, the AI analog quantity module is an SM1231 module and is used for collecting a gas leakage concentration signal of the combustible gas detector in the meter cabinet.
Further, the switch is used for connecting a control end of gas dispatching with a WAN network by adopting optical fibers.
The utility model has the advantages that:
the system effectively solves the problem that town gas enterprises integrally master the data of gas consumption parameters of residential user districts, realizes the real-time monitoring of necessary data such as natural gas flow, pressure, temperature and the like of remote monitoring districts, realizes the functions of remotely controlling valves and controlling and cutting off, and provides effective data support for future pipe network planning of town gas enterprises.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic diagram of the topology of the system.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose, the following detailed description of the embodiments, structural features and effects of the present invention will be made with reference to the accompanying drawings and examples.
As shown in fig. 1, a SCADA air supply monitoring system for residential users is characterized in that: the method comprises the following steps: the system comprises a switch, a communication module, an integrated CPU module and an AI analog quantity module; the integrated CPU module is respectively and electrically connected with the switch, the communication module and the AI analog quantity module; the communication module is also connected with an AS ultrasonic flowmeter; the integrated CPU module is connected with an audible and visual alarm through a relay, is connected with an explosion-proof magnetic switch through another relay, and is also connected with an IQ electric actuator; the AI analog quantity module is connected with a plurality of groups of combustible gas detectors through a safety barrier.
The communication module is a CM1241 used for communicating with an output serial port after the internal correction calculation of the flowmeter; the communication protocol is Modbus-RTU.
The integrated CPU module comprises a 1214C processor which is used for processing the logic operation of the whole system and processing various monitoring signals.
The AI analog quantity module is an SM1231 module and is used for collecting a gas leakage concentration signal of the combustible gas detector in the meter cabinet through the combustible gas detector.
The method comprises the steps of sampling an AS series ultrasonic flowmeter, supplying power to the flowmeter by a battery, carrying out serial port communication output after correction calculation in the flowmeter, and carrying out Modbus-RTU (communication protocol).
The IQ electric actuator can be selected from ROTORK-IQ series.
The switch is used for connecting a control end of gas dispatching with a WAN (Wide area network) network by adopting optical fibers, so that remote operation data monitoring, safety monitoring and remote control of valves are realized, and the function of control and cut-off is realized.
The remote control end receives a flow signal and a gas leakage concentration signal of gas supply through the switch and the communication module, and controls the audible and visual alarm to give an alarm when the gas leakage concentration signal received by the integrated CPU module reaches a preset value, and cuts off gas supply through the IQ electric actuator.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (5)
1. A resident SCADA gas supply monitoring system is characterized in that: the method comprises the following steps: the system comprises a switch, a communication module, an integrated CPU module and an AI analog quantity module; the integrated CPU module is respectively and electrically connected with the switch, the communication module and the AI analog quantity module; the communication module is also connected with an AS ultrasonic flowmeter; the integrated CPU module is connected with an audible and visual alarm through a relay, is connected with an explosion-proof magnetic switch through another relay, and is also connected with an IQ electric actuator; the AI analog quantity module is connected with a plurality of groups of combustible gas detectors through a safety barrier.
2. A SCADA air supply monitoring system for residential users according to claim 1, characterized in that: the communication module is a CM1241 used for communicating with an output serial port after internal correction calculation of the flowmeter.
3. A SCADA air supply monitoring system for residential users according to claim 1, characterized in that: the integrated CPU module comprises a 1214C processor and is used for processing the logic operation of the whole system.
4. A SCADA air supply monitoring system for residential users according to claim 1, characterized in that: the AI analog quantity module is an SM1231 module and is used for collecting a gas leakage concentration signal of the combustible gas detector in the meter cabinet.
5. A SCADA air supply monitoring system for residential users according to claim 1, characterized in that: the switch is used for connecting a control end of gas scheduling with a WAN network by adopting optical fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021069876.9U CN212905948U (en) | 2020-06-11 | 2020-06-11 | Resident SCADA air supply monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021069876.9U CN212905948U (en) | 2020-06-11 | 2020-06-11 | Resident SCADA air supply monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212905948U true CN212905948U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021069876.9U Active CN212905948U (en) | 2020-06-11 | 2020-06-11 | Resident SCADA air supply monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212905948U (en) |
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2020
- 2020-06-11 CN CN202021069876.9U patent/CN212905948U/en active Active
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