Intelligent monitoring system for fuel gas pressure regulating device

Abstract

The utility model discloses an intelligent monitoring system for a fuel gas pressure regulating device. The intelligent monitoring system comprises an Internet of Things integrated combustible gas monitoring device, a laser gas sensor, a medium-pressure pressure sensor, a low-pressure pressure sensor, a communication antenna, a pressure regulating cabinet and a data management center, the Internet of Things integrated combustible gas monitoring device comprises an upper shell and a lower shell, the upper shell comprises explosion-proof glass; a PCB mainboard, a battery compartment and a name plate are arranged in a cavity of the lower shell; a laser gas sensor, a communication antenna, a medium-pressure pressure sensor and a low-pressure pressure sensor are mounted outside the lower shell; a medium-voltage interface and a low-voltage interface are arranged in the voltage regulating cabinet; the data management center is connected with the communication module through a 4G communication network; according to the technical method, the gas building pressure regulating cabinet, pipeline pressure data, pipeline gas leakage and the like can be monitored in real time, and unattended remote monitoring is achieved through the Internet of Things platform.

Description

Technical Field

[0001] This utility model patent belongs to the technical field of urban natural gas building pipeline pressure regulating cabinets, pressure regulating valves, pipeline pressure data, and real-time monitoring of pipeline gas leakage, and specifically relates to an intelligent monitoring system for gas pressure regulating devices. Background Art

[0002] With the rapid development of natural gas in my country over the past few decades, natural gas pipelines are directly connected to residential buildings for residents' daily use. The pressure range of natural gas pipelines outside residential buildings is about 300kPa (medium pressure), and the pressure range of natural gas pipelines inside residential buildings is about 25kPa (low pressure). A pressure regulating cabinet is basically installed outside each residential building, and a pressure regulating valve is installed in the pressure regulating cabinet. One end of the pressure regulating valve is connected to the medium-pressure air intake pipe, and the other end is connected to the low-pressure air intake pipe entering the residential building for residents' use. The pressure regulating valve and pressure regulating pipeline are installed in densely populated areas. If the pressure regulating valve fails or a natural gas leakage accident occurs in the pipeline, it will cause significant life safety and economic losses to local residents.

[0003] To summarize the above reasons, there are currently major safety hazards in the pressure regulating cabinets in residential buildings. Therefore, it is necessary to design an intelligent monitoring system for gas pressure regulating devices to solve the above technical problems. Summary of the invention

[0004] In order to solve the deficiencies in the prior art, this utility model patent proposes an intelligent monitoring system for a gas pressure regulating device; it can completely solve the problems of natural gas concentration in underground well chambers of urban gas pipelines, pipeline pressure, water immersion detection in the well chamber, displacement or loss of manhole covers, and accurate positioning that cannot be achieved by existing products and technologies.

[0005] 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 an intelligent monitoring system for a gas pressure regulating device, which is characterized by: including an Internet of Things integrated combustible gas monitoring device, a laser gas sensor, a medium-pressure pressure sensor, a low-pressure pressure sensor, a communication antenna and a data management center; the laser gas sensor, the medium-pressure pressure sensor, the low-pressure pressure sensor, and the communication antenna are connected to the control unit in the Internet of Things integrated combustible gas monitoring device; the medium-pressure interface and the low-pressure interface in the pressure regulating cabinet are connected to the medium-pressure pressure sensor and the low-pressure pressure sensor; the data management center is connected to the communication module of the Internet of Things integrated combustible gas monitoring device.

[0006] Furthermore, the IoT integrated combustible gas monitoring device comprises an upper shell and a lower shell; the upper shell is a cylinder, the inner side of the cylinder is a cavity, the outer edge has male screw threads, and the cavity of the cylinder is filled with explosion-proof transparent glass, and the equipment reaches the IP68 protection level.

[0007] Furthermore, the lower shell is a square cylinder with a cylindrical cavity with a diameter of 90mm and a depth of 90mm inside. The inner edge of the cylindrical cavity has a female screw thread for installing the upper shell; the inner cavity of the lower shell has a battery compartment, a PCB main board and 6 pillars for installing lithium batteries, PCB main boards and nameplates; the right side of the lower shell has a circular female screw thread hole with a diameter of 20mm for installing the laser gas sensor; the upper and lower left sides of the lower shell have two circular female screw thread holes with a diameter of 20mm for installing two aviation plug male screw threads for connecting the medium-pressure pressure sensor and the low-pressure pressure sensor; the lower side of the lower shell has a circular female screw thread hole with a diameter of 20mm for installing the communication antenna.

[0008] Furthermore, the battery compartment is below the PCB mainboard, a group of lithium batteries are installed in the battery compartment, and a fixed bracket is provided above the lithium battery, which is fixed to the two middle pillars in the cavity of the lower shell with two screws; the lithium battery is connected to the power module for powering the power module.

[0009] Furthermore, the PCB mainboard includes a control unit, a power module, a communication module, a liquid crystal module, an alarm device LED indicator and a storage module; the PCB mainboard, the power module, the communication module, the liquid crystal module, the alarm device LED indicator and the storage module are connected to the control unit; the nameplate has a 40mm*30mm window in the middle, the device name is on the surface above, and there are four 3mm diameter round holes below, the nameplate is installed above the PCB mainboard, and there are two screw holes on both sides to fix the nameplate; 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, the communication module, the liquid crystal module, the alarm device LED indicator and the storage module, as well as the laser gas sensor, the medium pressure sensor, the low pressure sensor, and the communication antenna on the external interface of the lower shell; the storage module and The control unit is connected, 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 will collect methane concentration data of the laser gas sensor, pressure data of the medium-pressure pressure sensor, pressure data of the low-pressure pressure sensor, communication antenna signal data and alarm information and display them through the liquid crystal module, and the liquid crystal module displays the information content through the brand-name liquid crystal window and then through the explosion-proof glass of the upper shell; the alarm device LED indicator is connected to the control unit, and the control unit controls the alarm device LED indicator to light up and go out according to the status information through alarm, fault, networking, and normal categories; 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.

[0010] Furthermore, the nameplate is installed on the top of the PCB main board, with a 40mm*30mm window in the middle, which is aligned with the LCD window of the PCB main board for displaying LCD information; there is a device name on the top of the surface, and four 3mm diameter circular holes on the bottom, which are also aligned with the alarm device LED indicator light on the PCB main board for displaying the alarm device LED indicator light; there are two screw holes on both sides of the nameplate, and the nameplate is fixed on the top of the PCB main board with screws.

[0011] 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 laser gas sensor, medium pressure sensor, low pressure sensor and communication antenna at the external interface of the lower shell.

[0012] 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. The storage module can store a maximum of 5,000 records.

[0013] Furthermore, the liquid crystal module is connected to the control unit, and the control unit will collect methane concentration data of the laser gas sensor, pressure data of the medium pressure sensor, pressure data of the low pressure sensor, communication antenna signal data and alarm information and display them through the liquid crystal module. The liquid crystal module displays the information content through the branded liquid crystal window and then through the explosion-proof glass of the upper shell.

[0014] Furthermore, the alarm device LED indicator light is connected to the control unit, which makes a judgment based on the collected data and a preset threshold value. The control unit controls the alarm device LED indicator light to light up and go out according to the status information through alarm, fault, networking, and normal categories.

[0015] Furthermore, the communication module is connected to the control unit, and the control unit calculates the collected data and the preset threshold to determine whether to generate alarm information. The control unit controls the collected data and the alarm and fault information to be connected to the communication antenna through the communication module, and is connected to the data management center through the communication antenna in a 4G wireless communication mode, and the data management center saves the data.

[0016] Furthermore, the laser gas sensor has a circular female threaded hole with a diameter of 20 mm on the right side of the lower shell, and a male threaded head at one end of the laser gas sensor. The male threaded head of the laser gas sensor is inserted into the female threaded hole on the right side of the lower shell and tightened, and the thread is coated with waterproof glue; the laser gas sensor is connected to the control unit; the laser gas sensor sends the collected combustible gas concentration data to the control unit. When the combustible gas concentration value is greater than the preset threshold value calculated by the control unit, the control unit controls the display of alarm information through the LCD module. The control unit controls the alarm device LED indicator alarm light to light up according to the status information through alarm, fault, networking, and normal categories. The control unit sends real-time alarm instructions and combustible gas concentration data to the communication module. The communication module is connected to the communication antenna, and is connected to the data management center through the communication antenna in a 4G wireless communication mode. The alarm information is stored in the data management center, and the relevant departments can understand the real-time alarm information and combustible gas concentration data in real time through the SCADA system.

[0017] Furthermore, one end of the medium-pressure pressure sensor is connected to the data cable, and the other end of the data cable is connected to the aviation plug. The aviation plug has a male threaded head. The male threaded head of the aviation plug is inserted into the circular female threaded hole with a diameter of 20 mm on the upper left side of the lower shell and tightened. The thread is coated with waterproof glue; the other end of the medium-pressure pressure sensor has a male threaded head. The male threaded head of the other end of the medium-pressure pressure sensor is inserted into the medium-pressure pipe interface of the pressure regulating cabinet and tightened; the medium-pressure pressure sensor sends the collected pressure data of the medium-pressure pipe interface of the pressure regulating cabinet to the control unit. When the pressure value is greater than the preset threshold value calculated by the control unit, the control unit controls the display of alarm information through the liquid crystal module. The control unit controls the alarm device LED indicator alarm light to light up according to the status information through alarm, fault, networking, and normal categories. At the same time, the alarm information and pressure data are connected to the communication antenna through the communication module, and connected to the data management center through the communication antenna in 4G wireless communication mode, and the alarm information is stored in the data management center and the storage module. The relevant departments understand the real-time alarm information and combustible gas concentration data in real time through the SCADA system.

[0018] Furthermore, one end of the low-pressure pressure sensor is connected to the data cable, and the other end of the data cable is connected to the aviation plug. The aviation plug has a male threaded head. The male threaded head of the aviation plug is inserted into the circular female threaded hole with a diameter of 20 mm at the lower left side of the lower shell and tightened. The thread is coated with waterproof glue; the other end of the low-pressure pressure sensor has a male threaded head. The male threaded head of the other end of the low-pressure pressure sensor is inserted into the medium-pressure pipe interface of the pressure regulating cabinet and tightened; the low-pressure pressure sensor sends the collected pressure data of the low-pressure pipe interface of the pressure regulating cabinet to the control unit. When the pressure value is greater than the preset threshold value calculated by the control unit, the control unit controls the display of alarm information through the liquid crystal module. The control unit controls the alarm device LED indicator alarm light to light up according to the status information through alarm, fault, networking, and normal categories. At the same time, the alarm information and pressure data are connected to the communication antenna through the communication module, and connected to the data management center through the communication antenna in 4G wireless communication mode, and the alarm information is stored in the data management center and the storage module. The relevant departments understand the real-time alarm information and combustible gas concentration data in real time through the SCADA system.

[0019] Furthermore, the communication antenna has a male threaded head at one end, which is inserted into a circular female threaded hole with a diameter of 20 mm on the lower side of the lower shell and tightened, and the thread is coated with waterproof glue; the communication antenna is connected to the communication module, and the control unit controls the connection between the communication module and the communication antenna as needed.

[0020] 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.

[0021] Furthermore, the pressure regulating cabinet is composed of a pressure regulating valve, a medium-pressure pipe and a low-pressure pipe. The pressure regulating valve is connected to the medium-pressure pipe and the low-pressure pipe. The medium-pressure pipe and the low-pressure pipe each have an interface. The medium-pressure pressure sensor is connected to the medium-pressure pipe interface; the low-pressure pressure sensor is connected to the low-pressure pipe interface.

[0022] Furthermore, a kind of technical advantages of intelligent monitoring system for gas pressure regulating device are as follows: ① The utility model patent is equipped with a laser gas sensor, which can detect the concentration of combustible gas leakage in the pressure regulating cabinet in real time, and upload it to the data management center through the 4G network in real time; ② Real-time monitoring of the pressure of the medium-pressure pipeline and the low-pressure pipeline of the pressure regulating cabinet, and uploading the pipeline pressure data to the data management center in real time through the 4G network; ③ Real-time detection of gas pipeline pressure, if the pressure is lower than or higher than the preset value, the pressure alarm information is uploaded to the data management center in real time through the 4G network; ④ Through the above technical scheme, the gas company staff monitors the management pressure and gas leakage of each pressure regulating cabinet in real time 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 field of unmanned remote monitoring of pressure regulating cabinets near urban residential areas and street shops. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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.

[0024] Figure 1 The attached figure is a schematic diagram of the structure of an intelligent monitoring system, a data management center, and a pressure regulating cabinet for a gas pressure regulating device provided by the utility model patent.

[0025] Figure 2 The attached figure is a schematic diagram of the upper shell and nameplate structure of the IoT integrated combustible gas monitoring device provided by this utility model patent.

[0026] Figure 3 The attached figure is a schematic diagram of the lower shell, battery compartment, and lithium battery structure of the IoT integrated combustible gas monitoring device provided by this utility model patent.

[0027] Figure 4 The attached figure is a schematic diagram of the lower shell, laser gas sensor, medium-pressure pressure sensor, low-pressure pressure sensor, communication antenna structure, PCB main board, data management center and voltage regulating cabinet structure of the IoT integrated combustible gas monitoring device provided by the utility model patent. DETAILED DESCRIPTION

[0028] 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.

[0029] like Figure 1 , Figure 4 As shown, a gas pressure regulating device intelligent monitoring system includes an Internet of Things integrated combustible gas monitoring device 1, a laser gas sensor 23, a medium pressure sensor 25, a low pressure sensor 26, a pressure regulating cabinet 31, a communication antenna 24 and a data management center 30; the laser gas sensor 23, the medium pressure sensor 25, the low pressure sensor 26, and the communication antenna 24 are connected to the control unit 17 in the Internet of Things integrated combustible gas monitoring device 1; the medium pressure interface 33 in the pressure regulating cabinet 31 is connected to the medium pressure sensor 25, and the medium pressure interface 32 in the pressure regulating cabinet 31 is connected to the low pressure sensor 26; the data management center 30 is connected to the communication module 21.

[0030] like Figure 2 , Figure 3 As shown, the IoT integrated combustible gas monitoring device 1 comprises an upper shell 2 and a lower shell 9; the upper shell 2 is a cylinder, the inner side of the cylinder is a cavity, the outer edge has a male screw thread 4, and the cylindrical cavity is equipped with explosion-proof transparent glass 3, and the equipment reaches IP68 protection level.

[0031] like Figure 3 , Figure 4 As shown, the lower shell 9 is a square cylinder with a cylindrical cavity of 90mm in diameter and 90mm in depth inside. The inner edge of the cylindrical cavity is provided with a female screw thread 15 for installing the upper shell 2; the inner cavity of the lower shell 9 is provided with a battery compartment 12, a PCB main board 16, and 6 pillars 11 and 14 for installing a lithium battery 121, a PCB main board 16 and a nameplate 5; a circular female screw thread hole with a diameter of 20mm is provided on the right side of the lower shell 9 for installing a laser gas sensor 23; two circular female screw thread holes with a diameter of 20mm on the upper and lower left sides of the lower shell 9 are provided for installing two aviation plug male screw threads 27 and 28 for connecting a medium pressure sensor 25 and a low pressure sensor 26; a circular female screw thread hole with a diameter of 20mm is provided on the lower 9 side of the lower shell for installing a communication antenna 24.

[0032] like Figure 3 , Figure 4 As shown, the battery compartment 12 is below the PCB mainboard 16, and a group of lithium batteries 121 are installed in the battery compartment 12. A fixing bracket 13 is provided above the lithium battery 121, which is fixed to the two middle pillars 14 in the cavity of the lower shell with two screws; the lithium battery 121 is connected to the power module 18 for supplying power to the power module 18.

[0033] like Figure 3 , Figure 4 As shown, the PCB main board 16 includes a control unit 17, a power module 18, a communication module 21, a liquid crystal module 20, an alarm device LED indicator 22 and a storage module 19; the PCB main board 16, the power module 18, the communication module 21, the liquid crystal module 20, the alarm device LED indicator 22 and the storage module 19 are connected to the control unit 17; the control unit 17 sends instructions to control the power supply of the power module 18, control the display content of the liquid crystal module 20, control the alarm device LED indicator 22 to light up or go out, control the storage module 19 to store data, control the communication module 21 to communicate with the data management center 30, and the control unit 17 collects data of the laser gas sensor 23, the medium pressure sensor 25, and the low pressure sensor 26 according to a preset time period.

[0034] like Figure 2 , Figure 4As shown, the nameplate 5 is installed on the top of the PCB main board 16, with a 40mm*30mm window in the middle, the window is aligned with the liquid crystal module 20 of the PCB main board 16, and is used to display the information of the liquid crystal module 20; there is a device name on the top of the surface, and four 3mm diameter circular holes 7 are arranged below, the circles are also aligned with the alarm device PED indicator light 22 on the PCB main board 16, and are used to display the light of the alarm device PED indicator light 22; there are two screw holes 8 on both sides of the nameplate 5, and the nameplate 5 is fixed on the top of the PCB main board 16 with two screws.

[0035] like Figure 4 As shown, the power module 18 is connected to the PCB main board 16 to supply power to the PCB main board 16; the power line of the PCB main board 16 then supplies power to the control unit 17, the communication module 21, the liquid crystal module 20, the storage module 19 and the alarm device PED indicator light 22, as well as the laser gas sensor 23, the medium pressure sensor 25, the low pressure sensor 26 and the communication antenna 24 at the external interface of the lower shell 9.

[0036] like Figure 4 As shown, the storage module 19 is connected to the control unit 17. The control unit 17 collects data from the laser gas sensor 23, the medium pressure sensor 25, and the low pressure sensor 26 and generates alarm or fault information and stores it in the storage module 19. The storage module 19 can store a maximum of 5,000 records.

[0037] like Figure 2 , 4 As shown, the liquid crystal module 20 is connected to the control unit 17. The control unit 17 collects the methane concentration data of the laser gas sensor 23, the pressure data of the medium pressure sensor 25, the pressure data of the low pressure sensor 26, the signal data of the communication antenna 24 and the alarm information and displays them through the liquid crystal module 20. The liquid crystal module 20 displays the information content through the liquid crystal window 6 of the nameplate 8 and then through the explosion-proof glass 3 of the upper shell 2.

[0038] like Figure 4 As shown, the alarm device LED indicator 22 is connected to the control unit 17, and the control unit 17 makes a judgment based on the methane concentration data of the laser gas sensor 23, the pressure data of the medium pressure sensor 25, the pressure data of the low pressure sensor 26, the signal data collected by the communication antenna 24 and the preset threshold value, and controls the alarm device LED indicator 22 to light up and go out according to the status information through alarm, fault, networking, and normal categories.

[0039] like Figure 4As shown, the communication module 21 is connected to the control unit 17. The control unit 17 collects methane concentration data from the laser gas sensor 23, pressure data from the medium pressure sensor 25, pressure data from the low pressure sensor 26, signal data from the communication antenna 24, and a preset threshold value to calculate and determine whether to generate an alarm message. The control unit 17 controls the collected data and the alarm and fault information to be connected to the communication antenna 24 through the communication module 21, and is connected to the data management center 30 through the communication antenna 24 in a 4G wireless communication mode, and the data management center 30 saves the data.

[0040] like Figure 3 , Figure 4 As shown, the laser gas sensor 23 has a circular female screw thread hole with a diameter of 20 mm on the right side of the lower shell 9, and a male screw thread head is provided at one end of the laser gas sensor 23. The male screw thread head of the laser gas sensor 23 is inserted into the female screw thread hole on the right side of the lower shell 9 and tightened, and a waterproof glue is coated on the screw thread; the laser gas sensor 23 is connected to the control unit 17; the laser gas sensor 23 sends the collected combustible gas concentration data to the control unit 17. When the combustible gas concentration value is greater than the preset threshold value calculated by the control unit 17, the control unit 17 controls the display of alarm information through the liquid crystal module 20, and at the same time, according to the status information, the alarm device LED indicator 22 is controlled to light up respectively through the alarm, fault, networking, and normal categories, and at the same time, the alarm information and combustible gas concentration data are connected to the communication antenna 24 through the communication module 21, and the communication antenna 24 is connected to the data management center 30 by 4G wireless communication, and the alarm information is stored in the data management center 30 and the storage module 19. The relevant departments understand the real-time alarm information and combustible gas concentration data in real time through the SCADA system.

[0041] like Figure 3 , Figure 4As shown, one end of the medium-pressure pressure sensor 25 is connected to the data line 29, and the other end of the data line 29 is connected to the aviation plug 28. The aviation plug 28 has a male screw thread head. The male screw thread head of the aviation plug 28 is inserted into the circular female screw thread hole with a diameter of 20 mm on the upper left side of the lower shell 9 and tightened. The thread is coated with waterproof glue; the other end of the medium-pressure pressure sensor 25 has a male screw thread head. The other end of the medium-pressure pressure sensor 25 has a male screw thread head. The male screw thread head of the other end of the medium-pressure pressure sensor 25 is inserted into the medium-pressure pipe interface 33 of the pressure regulating cabinet 31 and tightened; the medium-pressure pressure sensor 25 sends the collected pressure data of the medium-pressure pipe interface 33 of the pressure regulating cabinet 31 to the control unit 17, and the medium-pressure pressure sensor 25 sends the collected pressure data of the medium-pressure pipe interface 33 of the pressure regulating cabinet 31 to the control unit 17. When the control unit 17 calculates that the pressure value is greater than the preset threshold, the control unit 17 controls the display of alarm information through the LCD module 20, and at the same time controls the alarm device LED indicator 22 to light up according to the status information through alarm, fault, networking, and normal categories. At the same time, the alarm information and pressure value are connected to the communication antenna 24 through the communication module 21, and connected to the data management center 30 through the communication antenna 24 in a 4G wireless communication manner, and the alarm information is stored in the data management center 30 and the storage module 19. Relevant departments can obtain real-time alarm information and combustible gas concentration values ​​through the SCADA system.

[0042] like Figure 3 , Figure 4 As shown, one end of the low-pressure pressure sensor 26 is connected to the data line 30, and the other end of the data line 30 is connected to the aviation plug 27. The aviation plug 27 has a male screw thread head. The male screw thread head of the aviation plug 27 is inserted into the circular female screw thread hole with a diameter of 20mm at the lower left side of the lower shell 9 and tightened. The thread is coated with waterproof glue; the other end of the low-pressure pressure sensor 26 has a male screw thread head. The other end of the low-pressure pressure sensor 26 with a male screw thread head is inserted into the medium-pressure pipe interface 32 of the pressure regulating cabinet 31 and tightened; the low-pressure pressure sensor 26 sends the collected pressure data of the low-pressure pipe interface 32 of the pressure regulating cabinet 31 to the control unit 17, and the low-pressure pressure sensor 26 sends the collected pressure data of the low-pressure pipe interface 32 of the pressure regulating cabinet 31 to the control unit 17 through When the control unit 17 calculates that the pressure value is greater than the preset threshold, the control unit 17 controls the display of alarm information through the LCD module 20, and at the same time controls the alarm device LED indicator 22 to light up according to the status information through alarm, fault, networking, and normal categories. At the same time, the alarm information and pressure value are connected to the communication antenna 24 through the communication module 21, and connected to the data management center 30 through the communication antenna 24 in a 4G wireless communication manner, and the alarm information is stored in the data management center 30 and the storage module 19. Relevant departments can obtain real-time alarm information and combustible gas concentration values ​​through the SCADA system.

[0043] like Figure 3 , Figure 4As shown, the communication antenna 24 has a male screw head at one end, and the male screw head is inserted into a circular female screw hole with a diameter of 20 mm on the lower side of the lower shell 9 and tightened, and waterproof glue is coated on the thread; the communication antenna 24 is connected to the communication module 21, and the control unit 17 controls the communication module 21 to connect with the communication antenna 24 as needed.

[0044] 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 24 by the communication module 21 .

[0045] like Figure 3 As shown, the pressure regulating cabinet 31 is composed of a pressure regulating valve, a medium-pressure pipe and a low-pressure pipe. The pressure regulating valve is connected to the medium-pressure pipe and the low-pressure pipe. The medium-pressure pipe and the low-pressure pipe have an interface 32 and 33 respectively. The medium-pressure pressure sensor 25 is connected to the medium-pressure pipe interface 33; the low-pressure pressure sensor 26 is connected to the low-pressure pipe interface 32 to collect pressure values ​​of the medium-pressure pipeline interface 33 and the low-pressure pipeline interface 32; the medium-pressure pressure sensor 25 and the low-pressure pressure sensor 26 send the collected pressure data to the control unit 17. After calculation by the control unit 17, when the pressure value is greater than the preset threshold, The control unit 17 controls the display of alarm information through the LCD module 20. According to the status information, the alarm device LED indicator 22 is controlled to light up respectively through the alarm, fault, networking, and normal categories. At the same time, the alarm information and pressure value are transmitted through the communication module 21 connected to the communication antenna 24, and connected to the data management center 30 through the communication antenna 24 in a 4G wireless communication mode. The alarm information is stored in the data management center 30 and the storage module 19. The relevant departments can obtain real-time alarm information and combustible gas concentration values ​​through the SCADA system.

Claims

1. An intelligent monitoring system for a gas pressure regulating device, characterized in that: It includes an Internet of Things integrated combustible gas monitoring device, a laser gas sensor, a medium-pressure pressure sensor, a low-pressure pressure sensor, a communication antenna, a pressure regulating cabinet and a data management center; the laser gas sensor, the medium-pressure pressure sensor, the low-pressure pressure sensor and the communication antenna are connected to the control unit in the Internet of Things integrated combustible gas monitoring device; the pressure regulating cabinet is connected to the medium-pressure pressure sensor and the low-pressure pressure sensor; the medium-pressure interface and the low-pressure interface in the pressure regulating cabinet are connected to the medium-pressure pressure sensor and the low-pressure pressure sensor; the data management center is connected to the communication module of the Internet of Things integrated combustible gas monitoring device.

2. The intelligent monitoring system for a gas pressure regulating device according to claim 1, characterized in that: The IoT integrated combustible gas monitoring device comprises an upper shell and a lower shell; the upper shell is a cylinder, the inner side of the cylinder is a cavity, the outer edge has male screw threads, and explosion-proof transparent glass is installed in the cylinder cavity.

3. The intelligent monitoring system for a gas pressure regulating device according to claim 2, characterized in that: The lower shell is a square cylinder with a cylindrical cavity with a diameter of 90mm and a depth of 90mm inside. The inner edge of the cylindrical cavity is provided with a female screw thread for installing the upper shell; the inner cavity of the lower shell is provided with a battery compartment, a PCB main board and 6 pillars for installing lithium batteries, PCB main board and nameplate; there is a circular female screw thread hole with a diameter of 20mm on the right side of the lower shell for installing the laser gas sensor; two circular female screw thread holes with a diameter of 20mm on the upper and lower left sides of the lower shell are provided for installing two aviation plug male screw threads for connecting the medium pressure sensor and the low pressure sensor; there is a circular female screw thread hole with a diameter of 20mm on the lower side of the lower shell for installing the communication antenna; a group of lithium batteries are installed in the battery compartment, and a fixing bracket is provided above the lithium battery, which is fixed to the two middle pillars in the cavity of the lower shell with two screws; the lithium battery is connected to the power module.

4. The intelligent monitoring system for a gas pressure regulating device according to claim 3 is characterized in that: The PCB mainboard includes a control unit, a power module, a communication module, a liquid crystal module, an alarm device LED indicator and a storage module; the PCB mainboard, the power module, the communication module, the liquid crystal module, the alarm device LED indicator and the storage module are connected to the control unit; the nameplate has a 40mm*30mm window in the middle, the device name is on the upper surface, and there are four 3mm diameter round holes on the lower surface. The nameplate is installed on the upper part of the PCB mainboard, and there are two screw holes on both sides to fix the nameplate; 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, the communication module, the liquid crystal module, the alarm device LED indicator and the storage module, as well as the laser gas sensor, the medium pressure sensor, the low pressure sensor and the communication antenna on the external interface of the lower shell; the storage module is connected to the control unit The unit is connected, and the control unit collects data and generates alarm or fault information and stores them in the storage module; the liquid crystal module is connected to the control unit, and the control unit will collect methane concentration data of the laser gas sensor, pressure data of the medium-pressure pressure sensor, pressure data of the low-pressure pressure sensor, communication antenna signal data and alarm information and display them through the liquid crystal module, and the liquid crystal module displays the information content through the brand-name liquid crystal window and then through the explosion-proof glass of the upper shell; the alarm device LED indicator is connected to the control unit, and the control unit controls the alarm device LED indicator to light up and go out according to the status information through alarm, fault, networking and normal categories; 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 pressure regulating device according to claim 1, characterized in that: The laser gas sensor has a circular female threaded hole with a diameter of 20 mm on the right side of the lower shell, and a male threaded head on one end of the laser gas sensor. The male threaded head of the laser gas sensor is inserted into the female threaded hole on the right side of the lower shell and tightened, and waterproof glue is coated on the thread; the laser gas sensor is connected to the control unit.

6. The intelligent monitoring system for a gas pressure regulating device according to claim 1, characterized in that: The medium-pressure pressure sensor has a circular female threaded hole with a diameter of 20 mm on the upper left side of the lower shell. One end of the medium-pressure pressure sensor is connected to the data cable, and the other end of the data cable is connected to the male head of the aviation plug. The male head of the aviation plug has a male threaded head. The male threaded head of the aviation plug is inserted into the circular female threaded hole with a diameter of 20 mm on the upper left side of the lower shell and tightened. The thread is coated with waterproof glue; the medium-pressure pressure sensor is connected to the control unit.

7. The intelligent monitoring system for a gas pressure regulating device according to claim 1, characterized in that: The low-pressure pressure sensor has a circular female threaded hole with a diameter of 20 mm at the bottom left side of the lower shell. One end of the low-pressure pressure sensor is connected to the data cable, and the other end of the data cable is connected to the male head of the aviation plug. The male head of the aviation plug has a male threaded head. The male threaded head of the aviation plug is inserted into the circular female threaded hole with a diameter of 20 mm at the bottom left side of the lower shell and tightened. The thread is coated with waterproof glue; the low-pressure pressure sensor is connected to the control unit.

8. The intelligent monitoring system for a gas pressure regulating device according to claim 1, characterized in that: The communication antenna has a male threaded head at one end, which is inserted into a circular female threaded hole with a diameter of 20 mm on the lower side of the lower shell and tightened, and waterproof glue is coated on the thread; the communication antenna is connected to the communication module, and the communication antenna sends a 4G communication wireless signal to connect to the data management center.

9. The intelligent monitoring system for a gas pressure regulating device according to claim 1, characterized in that: The voltage regulating cabinet comprises a medium pressure interface and a low pressure interface, which are respectively connected to the medium pressure sensor and the low pressure sensor.

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