CN212691497U - Measurement and control system of metering equipment based on NB-IoT technology - Google Patents
Measurement and control system of metering equipment based on NB-IoT technology Download PDFInfo
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- CN212691497U CN212691497U CN202021264907.6U CN202021264907U CN212691497U CN 212691497 U CN212691497 U CN 212691497U CN 202021264907 U CN202021264907 U CN 202021264907U CN 212691497 U CN212691497 U CN 212691497U
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Abstract
The utility model discloses a measuring equipment measurement and control system based on NB-IoT technology, which comprises an NB-IoT module, a management control center, and a gas measuring and pressure regulating device, a gas flow collecting module, a gas pressure collecting module, a temperature collecting module, a gas leakage collecting module and an environmental humidity collecting module which are respectively in communication connection with the management control center through the NB-IoT module; the management control center is also used for sending a control signal to the gas metering pressure regulating equipment through the NB-IoT module so as to control the opening or closing of a switch valve of the gas metering pressure regulating equipment. The utility model discloses a NB-IoT module transmits the control data of gas measurement pressure regulating equipment to the supervisory control center, so, realizes the long-range real time monitoring to the flow of gas pipe network, pressure and temperature signal, has ensured the safe operation of gas pipe network, has higher practicality.
Description
Technical Field
The utility model relates to a gas communication technical field especially relates to a measuring equipment system of observing and controling based on NB-IoT technique.
Background
At present, a gas pressure regulating station, a valve well and a flowmeter are important components of urban gas transmission and distribution, are an important link of gas supply regulation and safety management of a gas pipe network, and have the characteristics of wide distribution and unattended operation.
With the development of radio frequency transceiving technology, microelectronic technology and integrated circuits, wireless communication technology based on cellular internet of things has been greatly developed, and great progress is made in design cost, transmission rate and reliability. Particularly, the gas data remote monitoring terminal based on the cellular Internet of things realizes real-time data monitoring, timely and active fault handling, timely warning of illegal invasion and timely troubleshooting of major accidents such as gas leakage, and can timely and accurately monitor the gas consumption condition and the flowmeter working condition of each gas consumption unit. However, the currently used gas metering (pressure regulating) devices have no way to communicate in some areas because the network operators cannot cover all area networks.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measuring equipment system of observing and controling based on NB-IoT technique can solve the gas table of using at present because network operator can't carry out the coverage of network, leads to the problem of the unable communication of some regional gas measurement (pressure regulating) equipment.
The embodiment of the utility model provides a measuring equipment observes and controls system based on NB-IoT technique, its characterized in that, including NB-IoT module and management control center, and respectively through NB-IoT module with management control center communication connection's gas measurement pressure regulating equipment, gas flow collection module, gas pressure collection module, temperature collection module, gas leak collection module and ambient humidity collection module;
the gas flow acquisition module is arranged on a transmission pipeline in the gas metering pressure regulating equipment and is used for acquiring the gas flow at the air inlet of the gas metering pressure regulating equipment; the gas pressure acquisition module is arranged at the gas inlet and the gas outlet of the gas metering pressure regulating device and is used for acquiring gas pressure values at the gas inlet and the gas outlet;
the temperature acquisition module, the environment humidity acquisition module and the gas leakage acquisition module are respectively arranged in the gas metering and pressure regulating equipment and are respectively used for acquiring the temperature, the humidity and the concentration of leaked gas in the gas metering and pressure regulating equipment;
the management control center is further used for sending a control signal to the gas metering pressure regulating equipment through the NB-IoT module so as to control the opening or closing of a switch valve of the gas metering pressure regulating equipment.
In one embodiment, the gas flow collecting module comprises a flow meter, the gas pressure collecting module comprises a pressure gauge, the temperature collecting module comprises a temperature sensor, the gas leakage collecting module comprises a gas detector, and the environment humidity collecting module comprises a humidity sensor.
In one embodiment, the gas metering and pressure regulating device comprises a box body, and a first switch valve, a filter, an inlet pressure gauge, a pressure regulator, an outlet pressure gauge, a controller, a flowmeter and a second switch valve which are sequentially arranged on a transmission and distribution pipeline in the box body;
the controller is in communication connection with the management control center through the NB-IoT module and is used for controlling the first switch valve to be opened or closed when receiving a control signal sent by the management control center.
In one embodiment, the first switch valve is an electric ball valve, and the second switch valve is an electric butterfly valve.
In one embodiment, the number of the gas metering and pressure regulating devices is multiple, and the multiple gas metering and pressure regulating devices are respectively arranged at different positions and are all in communication connection with the management control center through the NB-IoT module.
In one embodiment, each gas metering pressure regulating device is provided with a power supply module.
The utility model discloses metering equipment system of observing and controling based on NB-IoT technique through NB-IoT module with the monitoring data transmission of gas measurement pressure regulating equipment to supervisory control center, so, realizes the long-range real time monitoring to the flow, pressure and the temperature signal of gas pipe network, has ensured the safe operation of gas pipe network, has higher practicality. Furthermore, compare in prior art, the utility model discloses a measurement and control system of measuring equipment based on NB-IoT technique still has following advantage:
1. the real-time detection and control of the flow, the pressure and the temperature of the gas pipe network can be realized, and the gas pipe network has the performances of high accuracy and stable operation.
2. The wireless data communication and control with high reliability and long distance can be realized under various environments.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a metering device measurement and control system based on NB-IoT technology according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a gas metering pressure regulating device provided in an embodiment of the present invention.
Description of the main elements and symbols:
100. a system; 10. an NB-IoT module; 20. a management control center; 30. a gas metering pressure regulating device; 31. a box body; 32. a first on-off valve; 33. a filter; 34. an inlet pressure gauge; 35. a voltage regulator; 36. an outlet pressure gauge; 37. a controller; 38. a flow meter; 39. a second on-off valve; 40. a gas flow acquisition module; 50. a gas pressure acquisition module; 60. a temperature acquisition module; 70. a gas leakage acquisition module; 80. and an environment humidity acquisition module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be understood that the step numbers used herein are for convenience of description only and are not intended as limitations on the order in which the steps are performed.
It is to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "comprises" and "comprising" indicate the presence of the described features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The term "and/or" refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1, an embodiment of the present invention provides a metering device measurement and control system 100 based on NB-IoT technology, including an NB-IoT module 10, a management control center 20, and a gas metering pressure regulating device 30, a gas flow collecting module 40, a gas pressure collecting module 50, a temperature collecting module 60, a gas leakage collecting module 70, and an ambient humidity collecting module 80, which are respectively connected to the management control center 20 through the NB-IoT module 10.
The gas flow collecting module 40 is arranged on a transmission pipeline in the gas metering pressure regulating device 30 and is used for collecting gas flow at an air inlet of the gas metering pressure regulating device 30; the gas pressure acquisition module 50 is arranged at the gas inlet and the gas outlet of the gas metering pressure regulating device 30 and is used for acquiring the gas pressure value at the gas inlet and the gas outlet. Temperature acquisition module 60 ambient humidity acquisition module 80 with gas leakage acquisition module 70 set up respectively in inside the gas measurement pressure regulating equipment 30 to be used for gathering respectively the inside temperature of gas measurement pressure regulating equipment 30, humidity and the concentration of leaking gas. The management control center 20 is further configured to send a control signal to the gas metering pressure regulating device 30 through the NB-IoT module 10, so as to control opening or closing of an on-off valve of the gas metering pressure regulating device 30.
The radio frequency access technology based on the cellular network is NB-IoT (Narrow Band Internet of Things), works in an authorized frequency Band, has a radio frequency bandwidth of 180kHz, has an uplink and downlink peak rate of not more than 250kbit/s, and has the advantages of strong anti-interference performance, high reliability, wide coverage range and the like.
In the present embodiment, the gas metering pressure regulating device 30 is mainly applied to a gas pressure regulating cabinet, a gas valve well, an electricity supply or an industrial and commercial user, and can collect data of signals such as temperature, pressure, combustible gas leakage, gas concentration, and ambient humidity, and transmit the data to the gas management control center 20 through the NB-IoT module 10.
Specifically, the gas flow collecting module 40, the gas pressure collecting module 50, the temperature collecting module 60, the gas leakage collecting module 70, and the ambient humidity collecting module 80 are respectively disposed in the gas metering pressure regulating device 30, and are respectively used for collecting the gas flow at the gas inlet of the gas metering pressure regulating device 30, the gas pressure value at the gas inlet, the gas pressure value at the gas outlet, the temperature and humidity inside the gas metering pressure regulating device 30, and the concentration of the leaked gas.
The monitoring data acquired by the acquisition modules are transmitted to the management control center 20 through the NB-IoT module 10, so that the real-time detection and control of the flow, the pressure, the temperature, the concentration and the humidity of the leaked gas of the gas pipe network are realized, and the system has the performances of high accuracy and stable operation. In addition, the management control center 20 may also send a control signal to the gas metering pressure regulating device 30 through the NB-IoT module 10 to control the on/off of the on/off valve of the gas metering pressure regulating device 30, so as to implement real-time communication and network intelligent control between the management center and the gas metering pressure regulating device 30.
To sum up, the utility model discloses a NB-IoT technique, through NB-IoT module 10 with the monitoring data transmission of gas measurement pressure regulating equipment 30 to supervisory control center 20, so, realize the long-range real time monitoring to the flow, pressure and the temperature signal of gas pipe network, ensured the safe operation of gas pipe network, had higher practicality. Furthermore, compare in prior art, the utility model discloses a measurement and control system 100 based on NB-IoT technique still has following advantage:
1. the real-time detection and control of the flow, the pressure and the temperature of the gas pipe network can be realized, and the gas pipe network has the performances of high accuracy and stable operation.
2. The wireless data communication and control with high reliability and long distance can be realized under various environments.
In one embodiment, the gas flow collecting module 40 comprises a flow meter, the gas pressure collecting module 50 comprises a pressure meter, the temperature collecting module 60 comprises a temperature sensor, the gas leakage collecting module 70 comprises a gas detector, and the environment humidity collecting module 80 comprises a humidity sensor.
Referring to fig. 1 and 2, in a certain embodiment, the gas metering pressure regulating device 30 includes a box 31, and a first on-off valve 32, a filter 33, an inlet pressure gauge 34, a pressure regulator 35, an outlet pressure gauge 36, a controller 37, a flow meter 38, and a second on-off valve 39, which are sequentially disposed on a distribution pipeline in the box 31. The controller 37 is communicatively connected to the management control center 20 through the NB-IoT module 10, and is configured to control the first on-off valve 32 to open or close when receiving a control signal sent by the management control center 20.
In the present embodiment, the gas metering pressure regulating device 30 can also receive a valve control signal sent from the gas company management control center 20 to remotely control the opening and closing of the switching valve of the gas metering pressure regulating device 30. Specifically, when the staff of the gas company finds that the monitoring data is abnormal, the management control center 20 sends a valve closing control signal to remotely turn off the intelligent valve, so that the working condition of the gas metering and pressure regulating device 30 is monitored in real time, and the safe operation of a gas pipe network is ensured. Thus, the real-time communication and the network intelligent control between the management control center 20 and the gas metering pressure regulating device 30 are realized.
In one embodiment, the first on-off valve 32 is an electric ball valve and the second on-off valve 39 is an electric butterfly valve.
In one embodiment, the number of the gas metering and pressure regulating devices 30 is multiple, and the multiple gas metering and pressure regulating devices 30 are respectively disposed at different positions and are all in communication connection with the management control center 20 through the NB-IoT module 10.
In this embodiment, set up a plurality of measurement and control nodes based on gas measurement pressure regulating equipment 30, every measurement and control node can both gather the pipe network gas traffic flow that gas measurement pressure regulating equipment 30 corresponds geographical position point, pressure, the temperature, leak gaseous concentration and humidity, and can send to gas company's supervisory control center 20 through NB-IoT module 10, can also receive the valve control instruction that comes from gas company supervisory control center 20 and send, remote control gas measurement pressure regulating equipment 30's ooff valve, the realization is to the flow of gas pipe network, the remote real time monitoring of signals such as pressure and temperature, the safe operation of gas pipe network has been ensured, has higher practicality.
In one embodiment, each of the gas metering and pressure regulating devices 30 is provided with a power supply module.
In this embodiment, the power module includes a lithium battery for supplying power to ensure the normal operation of each of the gas metering and pressure regulating devices 30.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (6)
1. A metering equipment measurement and control system based on NB-IoT technology is characterized by comprising an NB-IoT module, a management control center, a gas metering pressure regulating device, a gas flow collecting module, a gas pressure collecting module, a temperature collecting module, a gas leakage collecting module and an environment humidity collecting module, wherein the gas metering pressure regulating device, the gas flow collecting module, the gas pressure collecting module, the temperature collecting module, the gas leakage collecting module and the environment humidity collecting module are respectively in communication connection with the management control center through the NB-IoT module;
the gas flow acquisition module is arranged on a transmission pipeline in the gas metering pressure regulating equipment and is used for acquiring the gas flow at the air inlet of the gas metering pressure regulating equipment; the gas pressure acquisition module is arranged at the gas inlet and the gas outlet of the gas metering pressure regulating device and is used for acquiring gas pressure values at the gas inlet and the gas outlet;
the temperature acquisition module, the environment humidity acquisition module and the gas leakage acquisition module are respectively arranged in the gas metering and pressure regulating equipment and are respectively used for acquiring the temperature, the humidity and the concentration of leaked gas in the gas metering and pressure regulating equipment;
the management control center is further used for sending a control signal to the gas metering pressure regulating equipment through the NB-IoT module so as to control the opening or closing of a switch valve of the gas metering pressure regulating equipment.
2. The NB-IoT technology-based metering device measurement and control system according to claim 1, wherein the gas flow collection module comprises a flow meter, the gas pressure collection module comprises a pressure gauge, the temperature collection module comprises a temperature sensor, the gas leakage collection module comprises a gas detector, and the ambient humidity collection module comprises a humidity sensor.
3. The NB-IoT technology-based measuring and control system as claimed in claim 2, wherein the gas metering pressure regulating device comprises a box body, and a first switch valve, a filter, an inlet pressure gauge, a pressure regulator, an outlet pressure gauge, a controller, a flow meter and a second switch valve which are sequentially arranged on a transmission and distribution pipeline in the box body;
the controller is in communication connection with the management control center through the NB-IoT module and is used for controlling the first switch valve to be opened or closed when receiving a control signal sent by the management control center.
4. The NB-IoT technology-based metering device instrumentation and control system of claim 3, wherein the first on-off valve is an electric ball valve and the second on-off valve is an electric butterfly valve.
5. The NB-IoT technology-based metering device measurement and control system according to claim 1, wherein the number of the gas metering pressure regulating devices is plural, and the plural gas metering pressure regulating devices are respectively disposed at different positions and are all in communication connection with the management control center through the NB-IoT module.
6. The NB-IoT technology-based metering device measurement and control system according to claim 5, wherein each of the gas metering pressure regulating devices is provided with a power supply module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264907.6U CN212691497U (en) | 2020-06-30 | 2020-06-30 | Measurement and control system of metering equipment based on NB-IoT technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021264907.6U CN212691497U (en) | 2020-06-30 | 2020-06-30 | Measurement and control system of metering equipment based on NB-IoT technology |
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| Publication Number | Publication Date |
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| CN212691497U true CN212691497U (en) | 2021-03-12 |
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| CN202021264907.6U Active CN212691497U (en) | 2020-06-30 | 2020-06-30 | Measurement and control system of metering equipment based on NB-IoT technology |
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