CN214474498U - Intelligent SF6 online monitoring system based on LoRa technology - Google Patents
Intelligent SF6 online monitoring system based on LoRa technology Download PDFInfo
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- CN214474498U CN214474498U CN202022788982.9U CN202022788982U CN214474498U CN 214474498 U CN214474498 U CN 214474498U CN 202022788982 U CN202022788982 U CN 202022788982U CN 214474498 U CN214474498 U CN 214474498U
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Abstract
Intelligence SF based on loRa technique6The online monitoring system comprises a slave computer, a host computer, a gateway, a cloud platform server, a PC client and/or a mobile phone APP terminal; the slave is SF arranged on the high-voltage switch equipment of the transformer substation6The monitoring instrument is internally embedded with a first LoRa module; the host is a master control module, and a second LoRa module and a second Uart interface are embedded in the master control module; the host and the slave realize data communication through an LoRa module, and realize data communication between the host and the gateway through a second Uart interface; the gateway is communicated with the cloud platform server through a 4G/5G network; cloud platform serverFor realizing high-voltage switch SF of transformer substation6Managing data; the PC client and the mobile phone APP terminal are communicated with the cloud platform server to acquire and query the SF of the transformer substation6Information and SF for substation6And managing the life cycle. The utility model has the advantages of the network deployment is simple, transmission distance is far away, the low power dissipation has realized SF6The remote intelligent acquisition and monitoring of pressure data, and need not the site wiring construction, the engineering cost is low.
Description
Technical Field
The utility model belongs to the technical field of gas pressure monitoring, concretely relates to intelligence SF based on loRa technique6Provided is an online monitoring system.
Background
Sulfur hexafluoride (SF)6) The gas is a stable gas which is colorless, tasteless, nontoxic and noncombustible, has excellent insulating property and arc extinguishing property, and is often used as an arc extinguishing and insulating medium in high-voltage switches and large-capacity transformers. For high-voltage switches of substations, SF6The arc extinguishing capability of the circuit breaker is reduced due to too low air pressure; too high gas pressure shortens the mechanical life of the circuit breaker and may cause SF6The gas liquefies. Thus, for SF6Gas leak detection and pressure monitoring become necessary.
SF in high-voltage switches of substations today6Most of gas leakage detection and pressure monitoring methods adopt digital monitoring means, for example, a field bus type electronic density meter is applied, but the meters are generally installed on the body of high and medium voltage power equipment and connected to a field monitoring system in a wired mode so as to output control and alarm signals. When the number of field switch devices is large, a large amount of wiring construction is needed, and the construction cost is high. In order to improve the current situation, technologies such as low-power Bluetooth (BLE), Zigbee, Wifi and the like are also applied, but these communication methods have a problem of contradiction between distance and power consumption. The LoRa technology has the advantages of low power consumption, long transmission distance and networkingFlexibility and the like, does not need field wiring, and is expected to solve the problems of contradiction between communication distance and power consumption and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an intelligence SF based on loRa technique6Provided is an online monitoring system.
The utility model discloses an intelligence SF based on loRa technique6The online monitoring system comprises a plurality of slave machines, a host machine, a gateway, a cloud platform server, a PC client and/or a mobile phone APP terminal;
the slave is SF arranged on the high-voltage switch equipment of the transformer substation6The monitoring instrument is internally embedded with a first LoRa module and a first Uart interface;
the host is a master control module, and a second LoRa module and a second Uart interface are embedded in the master control module;
the host realizes data communication with the slave machine through a second LoRa module, and realizes data communication between the host and the gateway through a second Uart interface;
the gateway is communicated with a cloud platform server through a 4G/5G network to realize wireless transmission of data;
cloud platform server for realizing transformer substation high-voltage switch SF6Managing data;
the PC client and the mobile phone APP terminal are communicated with the cloud platform server to acquire and query the SF of the transformer substation6Information and SF for substation6And managing the life cycle.
The slave machine comprises a slave machine MCU, and a first UART interface module, a first LoRa module, a pressure temperature sensor and a power module which are electrically connected with the slave machine MCU, wherein the first UART interface module and the first LoRa module are respectively and electrically connected with an input and output interface of the slave machine MCU, an output signal of the pressure flow sensor is connected with an input port of the slave machine MCU, and the power module respectively provides power for the slave machine MCU, the first UART interface module, the first LoRa module and the pressure temperature sensor.
The host comprises a host MCU, and a second LoRa module, a second UART interface module, a JTAG module and a second power module which are electrically connected with the host MCU, wherein the second LoRa module, the second UART interface module and the JTAG module are respectively connected with the input and output module of the host MCU, and the second power module respectively provides power for the host MCU, the second LoRa module, the second UART interface module and the JTAG module.
Rod-shaped antennas are selected for use by the second LoRa module and the first LoRa module.
The second LoRa module and the first LoRa module are respectively an F8L10D module and an F8L10A module.
The slave MCU and the host MCU respectively adopt chips with models of STM8L051F3 and STM32F 103.
The slave MCU utilizes the pressure flow sensor to monitor the SF of the point6Pressure and temperature are collected, wireless data transmission is carried out through a first LoRa module and a second LoRa module in the same network, the same network is a network with the second LoRa module and the first LoRa module, and the network number, the carrier frequency, the air speed and other parameters are consistent.
In a communication system, the strength of the antenna gain will interfere with the ability of the antenna to radiate or receive wireless signals, and under the same condition, the higher the gain, the longer the propagation distance of the wireless signals. Therefore, the first LoRa module and the second LoRa module both adopt rod antennas to improve the gain.
The host MCU communicates with a first LoRa module in the same network at a distance through a second LoRa module to realize SF6And transmitting pressure and temperature data and control command information. The slave machine and the host machine use LoRa wireless communication, the communication distance of the host machine can reach 1 kilometer square, and the field installation and construction are simple and convenient.
The host MCU is communicated with the gateway through a second UART interface, and the gateway uploads data to the cloud platform server through 4G/5G.
The slave machine is arranged on the high-voltage switch equipment of the transformer substation and is responsible for collecting SF in each high-voltage switch equipment6Pressure and temperature data, the gas density in the gas chamber is monitored in real time, and remote monitoring is realized; the slave is in a dormant state at ordinary times, when the host needs data, the slave sends a command to the slave through the second LoRa module, the slave receives an information acquisition signal of the host and then wakes up from the dormant state, and carries out many-to-one communication with the host in the same network through the first LoRa module,the data collected by the first LoRa module is sent to the host, and the slave enters a dormant state after the data is sent; the gateway receives the SF collected by each slave machine aggregated by the host machine through the second UART interface6Pressure and temperature data are uploaded to a cloud platform server through a 4G/5G network; the cloud platform server intelligently analyzes each accessed high-voltage switch SF through data analysis and processing6And converted into valuable information for access by authorized users. And the authorized user inquires corresponding information through the PC client and the mobile phone APP terminal.
To sum up, the utility model has the advantages of the network deployment is simple, transmission distance is far away, the low power dissipation has realized SF6The remote intelligent acquisition and real-time monitoring of pressure data do not need on-site wiring, and the engineering cost is low.
Drawings
Fig. 1 is a schematic diagram of the system architecture of the present invention;
fig. 2 is a block diagram of a circuit module of a slave computer in the present invention;
fig. 3 is a block diagram of a circuit module of the middle host according to the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, the utility model discloses an intelligence SF based on loRa technique6The online monitoring system comprises a slave computer, a host computer, a gateway, a cloud platform server, a PC client and/or a mobile phone APP terminal;
the slave is SF arranged on the high-voltage switch equipment of the transformer substation6The monitoring instrument is internally embedded with a first LoRa module 1 and a first Uart interface 2;
the host is a master control module, and a second LoRa module 4 and a second Uart interface 5 are embedded in the master control module;
the host realizes data communication with the slave machine through a second LoRa module 4, and realizes data communication between the host and the gateway through a second Uart interface 5;
the gateway is communicated with a cloud platform server through a 4G/5G network to realize wireless transmission of data;
cloud platform server for realizing transformer substation high-voltage switch SF6Managing data;
the PC client and the mobile phone APP terminal are communicated with the cloud platform server to acquire and query the SF of the transformer substation6Information and SF for substation6And managing the life cycle.
The slave machine comprises a slave machine MCU3, a first Uart interface 2 module, a first LoRa module 1, a pressure temperature sensor and a power supply module, wherein the first Uart interface 2 module, the first LoRa module 1, the pressure temperature sensor and the power supply module are electrically connected with an input/output interface of the slave machine MCU3, an output signal of the pressure flow sensor is connected with an input port of the slave machine MCU3, and the power supply module provides power for the slave machine MCU3, the first Uart interface 2 module, the first LoRa module 1 and the pressure temperature sensor.
The host computer comprises a host computer MCU6, a second LoRa module 4, a second Uart interface 5 module, a JTAG module and a second power module which are electrically connected with the host computer MCU6, wherein the second LoRa module 4, the second Uart interface 5 module and the JTAG module are respectively connected with an input/output module of the host computer MCU6, and the second power module respectively provides power for the host computer MCU6, the second LoRa module 4, the second Uart interface 5 module and the JTAG module.
Rod-shaped antennas are selected for use by the second LoRa module 4 and the first LoRa module 1.
The second LoRa module 4 and the first LoRa module 1 respectively adopt an F8L10D module and an F8L10A module.
The slave MCU3 and the host MCU6 respectively adopt chips with models of STM8L051F3 and STM32F 103.
SF of slave MCU3 to monitoring point through pressure flow sensor6Pressure and temperature are collected, wireless data transmission is carried out through the first LoRa module 1 and the second LoRa module 4 in the same network, the same network is a network with the second LoRa module 4 and the first LoRa module 1, and parameters such as network numbers, carrier frequencies and air speed are consistent.
In a communication system, the strength of the antenna gain will interfere with the ability of the antenna to radiate or receive wireless signals, and under the same condition, the higher the gain, the longer the propagation distance of the wireless signals. Therefore, the first and second LoRa modules 1 and 4 both use rod antennas to increase the gain.
Host MCU6 communicates with a first LoRa module 1 remotely on the same network via a second LoRa module 4 to implement SF6And transmitting pressure and temperature data and control command information. The slave machine and the host machine use LoRa wireless communication, the communication distance of the host machine can reach 1 kilometer square, and the field installation and construction are simple and convenient. The host MCU6 communicates with the gateway through a second Uart interface 5, and the gateway uploads data to the cloud platform server through 4G/5G.
The slave machine is arranged on the high-voltage switch equipment of the transformer substation and is responsible for collecting SF in each high-voltage switch equipment6Pressure and temperature data, the gas density in the gas chamber is monitored in real time, and remote monitoring is realized; the slave is in a dormant state at ordinary times, when the host needs data, a command is issued to the slave through the second LoRa module 4, the slave is awakened from the dormant state after receiving an information acquisition signal of the host and performs many-to-one communication with the host in the same network through the first LoRa module 1, namely, the data acquired by the slave is sent to the host through the first LoRa module 1, and the slave enters the dormant state after the data transmission is completed; the gateway receives SF collected by each slave machine converged by the host machine through a second Uart interface 56Pressure and temperature data are uploaded to a cloud platform server through a 4G/5G network; the cloud platform server intelligently analyzes each accessed high-voltage switch SF through data analysis and processing6And converted into valuable information for access by authorized users. And the authorized user inquires corresponding information through the PC client and the mobile phone APP terminal.
To sum up, the utility model discloses fuse loRa communication, from network deployment, dormancy and awaken technique such as up, have advantages such as the network deployment is simple, transmission distance is far away, the low power dissipation, realized SF6Remote intelligent acquisition and monitoring of pressure data, and simultaneously solves SF of transformer substation6The technical problems of high on-site wiring cost, difficult construction and the like when the electronic leakage of the equipment is monitored.
This embodiment is not intended to limit the present invention in any form, and all the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification of the above embodiments.
Claims (6)
1. Intelligence SF based on loRa technique6The on-line monitoring system is characterized in that: the system comprises a slave computer, a host computer, a gateway, a cloud platform server, a PC client and/or a mobile phone APP terminal;
the slave is SF arranged on the high-voltage switch equipment of the transformer substation6The monitoring instrument is internally embedded with a first LoRa module and a first Uart interface;
the host is a master control module, and a second LoRa module and a second Uart interface are embedded in the master control module;
the host realizes data communication with the slave machine through a second LoRa module, and realizes data communication between the host and the gateway through a second Uart interface;
the gateway is communicated with a cloud platform server through a 4G/5G network to realize wireless transmission of data;
cloud platform server for realizing transformer substation high-voltage switch SF6Managing data;
the PC client and the mobile phone APP terminal are communicated with the cloud platform server to acquire and query the SF of the transformer substation6Information and SF for substation6And managing the life cycle.
2. The intelligent SF according to claim 1 and based on LoRa technology6The on-line monitoring system is characterized in that: the slave machine comprises a slave machine MCU, and a first UART interface module, a first LoRa module, a pressure temperature sensor and a power module which are electrically connected with the slave machine MCU, wherein the first UART interface module and the first LoRa module are respectively and electrically connected with an input and output interface of the slave machine MCU, an output signal of the pressure flow sensor is connected with an input port of the slave machine MCU, and the power module respectively provides power for the slave machine MCU, the first UART interface module, the first LoRa module and the pressure temperature sensor.
3. The intelligent SF according to claim 1 and based on LoRa technology6The on-line monitoring system is characterized in that: the host comprises a host MCU, a second LoRa module, a second UART interface module, a JTAG module and a second power module which are electrically connected with the host MCU, and a second power moduleThe LoRa module, the second UART interface module and the JTAG module are respectively connected with the input and output module of the host MCU, and the second power supply module respectively provides power for the host MCU, the second LoRa module, the second UART interface module and the JTAG module.
4. The intelligent SF according to claim 1 and based on LoRa technology6The on-line monitoring system is characterized in that: rod-shaped antennas are selected for use by the second LoRa module and the first LoRa module.
5. The intelligent SF according to claim 1 and based on LoRa technology6The on-line monitoring system is characterized in that: the second LoRa module and the first LoRa module are respectively an F8L10D module and an F8L10A module.
6. The intelligent SF according to claim 1 and based on LoRa technology6The on-line monitoring system is characterized in that: the slave MCU and the host MCU respectively adopt chips with models of STM8L051F3 and STM32F 103.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117061274A (en) * | 2023-10-12 | 2023-11-14 | 天津卓朗科技发展有限公司 | LORA remote control method and device for Ethernet communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117061274A (en) * | 2023-10-12 | 2023-11-14 | 天津卓朗科技发展有限公司 | LORA remote control method and device for Ethernet communication |
| CN117061274B (en) * | 2023-10-12 | 2024-01-12 | 天津卓朗科技发展有限公司 | LORA remote control method and device for Ethernet communication |
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