Intelligent monitoring system of gas metering device

Abstract

The utility model discloses an intelligent monitoring system for a gas metering device. The intelligent monitoring system comprises an intelligent data acquisition terminal, a high-pressure pressure sensor, a medium-pressure pressure sensor, a data acquisition aviation plug, a communication antenna, a factory flowmeter gate station and a data management center, the intelligent data acquisition terminal comprises an upper shell and a lower shell, and a liquid crystal window is arranged in the middle of the upper shell; a PCB mainboard, a battery compartment, a lithium battery and a power adapter are arranged in the cavity of the lower shell; the high-pressure pressure sensor, the medium-pressure pressure sensor, the data acquisition aviation plug and the communication antenna are arranged on the lower shell; the data management center is connected with the communication module; the factory flowmeter gate station comprises a high-pressure interface, a medium-pressure interface and a flowmeter data acquisition interface; according to the technical method, the problems of factory flowmeter gate station data acquisition, pipeline pressure change and the like can be solved, and flowmeter data can be acquired in real time and gas pipeline pressure data change can be monitored through the Internet of Things platform.

Description

Technical Field

[0001] This utility model patent belongs to the technical field of combustible gas detection of urban natural gas gate stations and flow meters, and specifically relates to an intelligent monitoring system for gas metering devices. Background Art

[0002] With the rapid development of natural gas and the promotion of its application fields, many industrial and commercial users currently use natural gas in production processes. When using natural gas, a metering device "flow meter" must be installed for metering.

[0003] When using natural gas, industrial and commercial users and gas company staff face many inconveniences such as on-site data collection, fee settlement, and pipeline and equipment maintenance.

[0004] Summarizing the above reasons, in order to solve the many problems faced by industrial and commercial users and gas companies, it is necessary to design an intelligent monitoring system for gas metering devices to solve the above technical problems. Summary of the invention

[0005] In order to solve the deficiencies of the prior art, this utility model patent proposes an intelligent monitoring system for gas metering devices; it can completely solve the many inconveniences faced by industrial and commercial users and gas companies when using natural gas, such as door-to-door data collection, fee settlement, and pipeline and equipment maintenance, which are not achieved by existing products and technologies.

[0006] The technical solution of the utility model patent is: to solve the problems existing in the above-mentioned prior art, the utility model patent adopts a gas metering device intelligent monitoring system, which is characterized by: including an intelligent data acquisition terminal, a high-pressure pressure sensor, a medium-pressure pressure sensor, a data acquisition aviation plug, a communication antenna, a factory flow meter gate station, an AC220V external power cord and a data management center; the high-pressure pressure sensor, the medium-pressure pressure sensor, the data acquisition aviation plug, the communication antenna, the factory flow meter gate station, the AC220V external power cord are connected to the intelligent data acquisition terminal; the data management center is connected to the intelligent data acquisition terminal communication module; the factory flow meter gate station is respectively connected to the high-pressure pressure sensor, the medium-pressure pressure sensor, and the data acquisition aviation plug.

[0007] Furthermore, the intelligent data acquisition terminal includes an upper shell, a sealing ring and a lower shell; the sealing ring is installed between the upper shell and the lower shell, and 8 hexagonal screws on the upper shell pass through the sealing ring and the screw holes of the lower shell to tighten and fix; the upper shell, the lower shell and the sealing ring meet the IP68 explosion-proof grade.

[0008] Furthermore, a 50*30mm rectangular window is opened in the middle of the upper shell, with explosion-proof transparent glass embedded in it, and the PCB motherboard LCD module displays information through the window.

[0009] Furthermore, the lower shell cavity includes a PCB mainboard, a battery compartment, a lithium battery and a power adapter. The PCB mainboard is located above the lower shell cavity. There are fixing screw holes at the four corners of the PCB mainboard. Four screws are used to fix the PCB mainboard to the lower shell bracket holes.

[0010] Furthermore, the battery compartment is located at the lower right side of the cavity of the lower shell, below the PCB mainboard;

[0011] Furthermore, the lithium battery is installed in the battery compartment, and there is a fixing bar in the middle of the battery compartment. There are screw holes at both ends of the fixing bar, which is fixed to the bracket hole in the cavity of the lower shell with two screws to fix the lithium battery, and the lithium battery is connected to the power module.

[0012] Furthermore, the power adapter is installed at the lower left side of the cavity of the lower shell, below the PCB mainboard, and the power adapter is connected to the power module.

[0013] Furthermore, the PCB mainboard includes a control unit, a power module, a communication module, a liquid crystal module and a storage module; the PCB mainboard, the power module, the communication module, the liquid crystal module and the storage module are connected to the control unit.

[0014] Furthermore, the power module is connected to the PCB mainboard to supply power to the PCB mainboard; the PCB mainboard power circuit then supplies power to the control unit, communication module, liquid crystal module and storage module as well as the external interface devices of the lower shell, such as the high-pressure sensor, medium-pressure sensor, data acquisition aviation plug and communication antenna.

[0015] Furthermore, the storage module is connected to the control unit, and the control unit collects data and generates alarm or fault information and stores it in the storage module.

[0016] Furthermore, the liquid crystal module is connected to the control unit, and the control unit displays the collected data and alarm or fault information through the liquid crystal module, and the liquid crystal module displays the information content through the liquid crystal window of the upper shell.

[0017] Furthermore, the communication module is connected to the control unit, and the control unit connects the collected data and alarm or fault information to the communication antenna through the communication module, and then the communication antenna is connected to the data management center via 4G wireless communication.

[0018] Furthermore, one end of the high-pressure pressure sensor is connected to the data cable, the other end of the data cable is connected to interface 2 below the lower shell, and interface 2 is connected to the control unit; the other end of the high-pressure pressure sensor has a male screw head, and the other end of the high-pressure pressure sensor with the male screw head is inserted into the high-pressure port in the factory flow meter gate station and tightened.

[0019] Furthermore, one end of the medium-pressure pressure sensor is connected to the data cable, the other end of the data cable is connected to interface three below the lower shell, and interface three is connected to the control unit; the other end of the medium-pressure pressure sensor has a male screw head, and the end of the medium-pressure pressure sensor with the male screw head is inserted into the medium-pressure port in the factory flow meter gate station and tightened.

[0020] Furthermore, the data acquisition aviation plug has one end connected to the data cable, and the other end of the data cable is connected to the flow meter data acquisition port in the factory flow meter gate station. The other end of the data acquisition aviation plug has a male screw head, and the male screw head of the data acquisition aviation plug is inserted into the fourth interface of the lower shell and tightened.

[0021] Furthermore, one end of the AC220V external power line is connected to a power adapter, and the power adapter is connected to a power module; the other end of the AC220V external power line is connected to a factory power box.

[0022] Furthermore, the communication antenna has a male screw thread head at one end and a 20mm female screw thread hole interface on the top of the lower shell; the male screw thread head of the communication antenna is inserted into the female screw thread hole interface and tightened; the communication antenna is connected to the communication module.

[0023] Furthermore, the data management center is connected to the data management center by sending a 4G communication wireless signal through a communication antenna by a communication module.

[0024] Furthermore, the medium pressure interface in the factory flow meter gate station is connected to the medium pressure sensor; the high pressure interface is connected to the high pressure sensor; and the flow meter data acquisition port is connected to the data acquisition aviation plug.

[0025] Furthermore, a gas metering device intelligent monitoring system has the following technical advantages: ① The utility model patent is installed with an RS485 interface for real-time collection of flow meter data, and uploads it to the data management center in real time through the 4G network; ② The pipeline pressure of the gas inlet high-pressure pipeline is collected in real time, and uploaded to the data management center in real time; ③ The pipeline pressure of the gas outlet medium-pressure pipeline is collected in real time, and uploaded to the data management center in real time; ④ Through the above technical solutions, the gas company staff can view the pipeline pressure and real-time gas consumption of each factory flow meter gate station through the SCADA system platform. If an abnormality is found, the relevant maintenance personnel can be immediately arranged to solve the fault on site in time to prevent accidents; ⑦ The utility model patent is mainly suitable for the collection and detection of factory flow meter gate station pipeline pressure and flow meter data. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model patent or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the utility model patent. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative labor.

[0027] Figure 1 The attached figure is a schematic diagram of the structure of an intelligent monitoring system for a gas metering device provided by the utility model patent.

[0028] Figure 2 The attached figure is a schematic diagram of the upper shell structure of the intelligent data acquisition terminal provided by the utility model patent.

[0029] Figure 3 The attached figure is a schematic diagram of the structure of the intelligent data acquisition terminal lower shell, high-pressure pressure sensor, medium-pressure pressure sensor, data acquisition aviation plug, communication antenna, factory flow meter gate station, AC220V external power cord and data management center provided by the utility model patent. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model patent to clearly and completely describe the technical solutions in the embodiments of the utility model patent. Obviously, the described embodiments are only part of the embodiments of the utility model patent, not all of them. Based on the embodiments in the utility model patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model patent.

[0031] like Figure 1 , Figure 2 As shown, it includes an intelligent data acquisition terminal 1, a high-pressure pressure sensor 16, a medium-pressure pressure sensor 17, a data acquisition aviation plug 18, a communication antenna 29, a factory flow meter gate station 31, an AC220V external power cord 25 and a data management center 30; the high-pressure pressure sensor 16, the medium-pressure pressure sensor 17, the data acquisition aviation plug 18, the communication antenna 29, the factory flow meter gate station 31, and the AC220V external power cord 25 are connected to the intelligent data acquisition terminal 1; the data management center 30 is connected to the communication module 73 of the intelligent data acquisition terminal 1; the factory flow meter gate station 31 is respectively connected to the high-pressure pressure sensor 16, the medium-pressure pressure sensor 17, and the data acquisition aviation plug 18.

[0032] like Figure 1 , Figure 2 , Figure 3As shown, the intelligent data acquisition terminal 1 includes an upper shell 2, a sealing ring 6 and a lower shell 5; the sealing ring 6 is installed between the upper shell 1 and the lower shell 5, and the upper shell 2 is fastened and fixed with 8 hexagonal screws 4 penetrating the sealing ring 6 and the screw holes 11 of the lower shell 5; the upper shell 2, the lower shell 5 and the sealing ring 6 meet the IP68 explosion-proof grade.

[0033] like Figure 2 , Figure 3 As shown, a 50*30mm rectangular window is opened in the middle of the upper shell 2, with explosion-proof transparent glass embedded inside, and the PCB motherboard 7 liquid crystal module 75 displays data through the liquid crystal window 3.

[0034] like Figure 3 As shown, the cavity of the lower shell 5 includes a PCB mainboard 7, a battery compartment 9, a lithium battery 93 and a power adapter 10. The PCB mainboard 7 is located above the cavity of the lower shell 5. There are fixing screw holes 8 on the four corners of the PCB mainboard 7. Four screws are used to fix the PCB mainboard 7 to the bracket holes of the lower shell 5.

[0035] like Figure 3 As shown, the battery compartment 9 is located at the lower right side of the cavity of the lower shell 5 and below the PCB main board 7.

[0036] like Figure 3 As shown, the lithium battery 93 is installed in the battery compartment 9. There is a fixing bar 91 in the middle of the battery compartment 9. There are screw holes 92 at both ends of the fixing bar 91. Two screws are used to fix the bracket hole in the cavity of the lower shell 5 to fix the lithium battery 93. The lithium battery 93 is connected to the power module 72.

[0037] like Figure 3 As shown, the power adapter 10 is installed at the lower left side of the cavity of the lower shell 5, below the PCB main board 7, and the power adapter 10 is connected to the power module 72.

[0038] like Figure 3 As shown, the PCB main board 7 includes a control unit 71, a power module 72, a communication module 73, a liquid crystal module 75 and a storage module 74; the PCB main board 7, the power module 72, the communication module 73, the liquid crystal module 75 and the storage module 74 are connected to the control unit 71.

[0039] like Figure 3 As shown, the power module 72 is connected to the PCB main board 7 to supply power to the PCB main board 7; the power line of the PCB main board 7 then supplies power to the control unit 71, the communication module 72, the liquid crystal module 75 and the storage module 74, as well as the external interface devices of the lower shell 5, such as the high-pressure pressure sensor 16, the medium-pressure pressure sensor 17, the data acquisition aviation plug 18, and the communication antenna 29.

[0040] like Figure 3 As shown, the storage module 74 is connected to the control unit 71 , and the control unit 71 collects data and generates alarm or fault information and saves it to the storage module 74 .

[0041] like Figure 2 , Figure 3 As shown, the liquid crystal module 75 is connected to the control unit 71 , and the control unit 71 displays the collected data and alarm or fault information through the liquid crystal module 75 , and the liquid crystal module 75 displays the information content through the liquid crystal window 3 of the upper shell 2 .

[0042] like Figure 3 As shown, the communication module 72 is connected to the control unit 71, and the control unit 71 connects the collected data and alarm or fault information to the communication antenna 29 through the communication module 72, and then the communication antenna 29 is connected to the data management center 30 via 4G wireless communication.

[0043] like Figure 3 As shown, one end of the high-pressure pressure sensor 16 is connected to the data line 19, and the other end of the data line 19 is connected to the interface 2 13 below the lower shell 5, and the interface 2 13 is connected to the control unit 71; the other end of the high-pressure pressure sensor 16 has a male screw thread head, and the other end of the high-pressure pressure sensor 13 with a male screw thread head is inserted into the high-pressure port 28 in the factory flow meter gate station 31 and tightened. The control unit 71 collects pipeline pressure data according to a preset period, and controls the communication module 72 to be connected to the communication antenna 29, and connects to the data management center 30 through the communication antenna 29 in a 4G wireless communication mode, and stores the data in the data management center 30. The relevant departments understand the pipeline pressure data in real time through the SCADA system.

[0044] like Figure 3 As shown, one end of the medium-pressure pressure sensor 17 is connected to the data line 20, and the other end of the data line 20 is connected to the interface three 14 below the lower shell 5, and the interface three 14 is connected to the control unit 71; the other end of the medium-pressure pressure sensor 17 has a male screw thread head, and the end of the medium-pressure pressure sensor 17 with the male screw thread head is inserted into the medium-pressure port 27 in the factory flow meter gate station 31 and tightened. The control unit 71 collects pipeline pressure data according to a preset period, and controls the communication module 72 to be connected to the communication antenna 29, and connects to the data management center 30 through the communication antenna 29 in a 4G wireless communication mode, and stores the data in the data management center 30. The relevant departments understand the pipeline pressure data in real time through the SCADA system.

[0045] like Figure 3As shown, one end of the data acquisition aviation plug 18 is connected to the data line 21, and the other end of the data line 21 is connected to the flow meter data acquisition port 26 in the factory flow meter gate station 31. The other end of the data acquisition aviation plug 18 has a male screw thread head. The male screw thread head of the data acquisition aviation plug 18 is inserted into the lower shell interface 15 and tightened. The control unit 71 collects the flow meter data according to the preset period, and controls the communication module 72 to be connected to the communication antenna 29. The communication antenna 29 is connected to the data management center 30 in a 4G wireless communication mode, and the data is stored in the data management center 30. The relevant departments understand the flow meter data in real time through the SCADA system.

[0046] like Figure 3 As shown, one end of the AC220V external power line 12 is connected to the power adapter 10, and the power adapter 10 is connected to the power module 72; the other end of the AC220V external power line 12 is connected to the factory power box.

[0047] like Figure 3 As shown, the communication antenna 29 has a male screw thread head at one end, and a 20mm female screw thread hole interface is provided on the top of the lower shell 5; the male screw thread head of the communication antenna 29 is inserted into the female screw thread hole interface and tightened; the communication antenna 29 is connected to the communication module 73.

[0048] like Figure 3 As shown, the data management center 30 is connected to the data management center 30 by sending a 4G communication wireless signal through the communication antenna 29 by the communication module 73.

[0049] like Figure 3 As shown, the medium pressure interface 27 in the factory flow meter gate station 31 is connected to the medium pressure sensor 17; the high pressure interface 28 is connected to the high pressure pressure sensor 16; the flow meter data acquisition port 26 is connected to the data acquisition aviation plug 18, and the pressure pipeline and flow meter data are collected according to the preset collection cycle of the control unit 71.

Claims

1. An intelligent monitoring system for a gas metering device, characterized in that: It includes an intelligent data acquisition terminal, a high-pressure pressure sensor, a medium-pressure pressure sensor, a data acquisition aviation plug, a communication antenna, a factory flow meter gate station, an AC220V external power cord and a data management center; the high-pressure pressure sensor, the medium-pressure pressure sensor, the data acquisition aviation plug, the communication antenna, the factory flow meter gate station, the AC220V external power cord are connected to the intelligent data acquisition terminal; the data management center is connected to the communication module of the intelligent data acquisition terminal; the factory flow meter gate station is respectively connected to the high-pressure pressure sensor, the medium-pressure pressure sensor, and the data acquisition aviation plug.

2. The intelligent monitoring system for a gas metering device according to claim 1, characterized in that: The intelligent data acquisition terminal comprises an upper shell, a sealing ring and a lower shell; the sealing ring is installed between the upper shell and the lower shell, and 8 hexagonal screws on the upper shell penetrate the sealing ring and the screw holes of the lower shell and are tightened and fixed; the upper shell, the lower shell and the sealing ring reach the IP68 explosion-proof grade; a 50*30mm rectangular window is opened in the middle of the upper shell, and explosion-proof transparent glass is embedded; the cavity of the lower shell includes a PCB mainboard, a battery compartment, a lithium battery and a power adapter, the PCB mainboard is above the cavity of the upper shell, and there are fixing screw holes on the four corners of the PCB mainboard, and the PCB mainboard is fixed to the bracket hole of the lower shell with four screws.

3. The intelligent monitoring system for a gas metering device according to claim 2 is characterized in that: The battery compartment is located at the lower right corner of the lower shell cavity and below the PCB mainboard; the lithium battery is installed in the battery compartment, and a fixing bar is provided in the middle of the battery compartment, and screw holes are provided at both ends of the fixing bar, which is fixed to the bracket hole in the lower shell cavity with two screws for fixing the lithium battery, and the lithium battery is connected to the power module; the power adapter is installed at the lower left corner of the lower shell cavity and below the PCB mainboard, and the power adapter is connected to the power module; the PCB mainboard includes a control unit, a power module, a communication module, a liquid crystal module and a storage module; the PCB mainboard, the power module, the communication module, the liquid crystal module and the storage module are connected to the control unit.

4. The intelligent monitoring system for a gas metering device according to claim 3 is characterized in that: The power module is connected to the PCB mainboard to supply power to the PCB mainboard; the PCB mainboard power line then supplies power to the control unit, communication module, liquid crystal module and storage module, as well as the high-pressure sensor, medium-pressure sensor, data acquisition aviation plug and communication antenna of the external interface equipment of the lower shell; the storage module is connected to the control unit, and the control unit collects data and generates alarm or fault information and stores it in the storage module; the liquid crystal module is connected to the control unit, and the control unit displays the collected data and alarm or fault information through the liquid crystal module, and the liquid crystal module displays the information content through the liquid crystal window of the upper shell; the communication module is connected to the control unit, and the control unit connects the collected data and alarm or fault information to the communication antenna through the communication module, and then the communication antenna is connected to the data management center by 4G wireless communication.

5. The intelligent monitoring system for a gas metering device according to claim 1 is characterized in that: One end of the high-pressure pressure sensor is connected to the data line, and the other end of the data line is connected to interface two at the bottom of the lower shell, and interface two is connected to the control unit; the other end of the high-pressure pressure sensor has a male screw thread head, and the other end of the high-pressure pressure sensor with the male screw thread head is inserted into the high-pressure port in the factory flow meter gate station and tightened; one end of the medium-pressure pressure sensor is connected to the data line, and the other end of the data line is connected to interface three at the bottom of the lower shell, and interface three is connected to the control unit; the other end of the medium-pressure pressure sensor has a male screw thread head, and the end of the medium-pressure pressure sensor with the male screw thread head is inserted into the medium-pressure port in the factory flow meter gate station and tightened; the data acquisition aviation plug, one end of the data acquisition aviation plug is connected to the data line, and the other end of the data line is connected to the flow meter data acquisition port in the factory flow meter gate station, the other end of the data acquisition aviation plug has a male screw thread head, and the male screw thread head of the data acquisition aviation plug is inserted into interface four of the lower shell and tightened.

6. The intelligent monitoring system for a gas metering device according to claim 1, characterized in that: One end of the AC220V external power line is connected to the power adapter, and the power adapter is connected to the power module; the other end of the AC220V external power line is connected to the factory power box.

7. The intelligent monitoring system for a gas metering device according to claim 1 is characterized in that: The communication antenna has a male screw thread head at one end and a 20mm female screw thread hole interface on the top of the lower shell; the male screw thread head of the communication antenna is inserted into the female screw thread hole interface and tightened; the communication antenna is connected to the communication module.

8. The intelligent monitoring system for a gas metering device according to claim 1, characterized in that: The data management center is connected to the data management center by sending 4G communication wireless signals through the communication antenna by the communication module.

9. The intelligent monitoring system for a gas metering device according to claim 1, characterized in that: The medium pressure interface in the factory flow meter gate station is connected to the medium pressure sensor; the high pressure interface is connected to the high pressure sensor; the flow meter data acquisition port is connected to the data acquisition aviation plug.

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