CN202403724U - Overhead transmission line environment meteorological monitoring device - Google Patents

Abstract

An overhead power transmission line environmental meteorological monitoring device is characterized in that: it includes a monitoring terminal and a background host computer; the monitoring terminal includes an STM32 single-chip microcomputer, a GPS module, a sensor module, a power supply module, and a digital transmission station; one of each plurality of terminals is selected as the Concentrator, the concentrator installs one more EUDO module than the terminal. The monitoring terminal transmits the information to the concentrator through the digital transmission station, and the concentrator transmits the information to the background host computer through the digital transmission station or EUDO module. The utility model can adapt to severe weather environment, is highly integrated and highly reliable in transmission, and can realize centralized monitoring and reliable transmission of parameters such as wind speed, wind direction, temperature, humidity, rainfall and light radiation. It has accuracy, reliability and stability, and it can centrally monitor the environmental meteorological parameters of important transmission lines and disaster-prone areas, and provide decision-making information support for production operation management and scheduling.

Description

Environmental Meteorological Monitoring Device for Overhead Transmission Line

technical field

The utility model relates to an electric meteorological monitoring device, in particular to an environmental meteorological monitoring device for overhead power transmission lines.

Background technique

Affected by issues such as global climate change, deterioration of the ecological environment, and rapid consumption of fossil energy, smart grids have become a new trend and new direction for the development of power grids in the world today. The national grid stage emphasizes "vigorously develop low-carbon technology, promote high-efficiency energy-saving technology, actively develop new energy and renewable energy, and strengthen the construction of smart grid". system) development plan”. The "Planning" proposes to develop multi-meteorological parameter online monitoring and transposition that can adapt to harsh weather environments, highly integrated, highly reliable transmission, and follow standard communication protocols, so as to realize the centralized monitoring of parameters such as wind speed, wind direction, temperature, humidity, rainfall, and optical radiation. Monitoring and reliable transmission. However, the present technology is also equipped with an environmental meteorological monitoring device for overhead transmission lines that can achieve accuracy, reliability and stability.

Contents of the invention

The technical problem to be solved by the utility model is to provide an environmental meteorological monitoring device for an overhead power transmission line with reasonable design, adaptable to harsh weather environment, highly integrated, and highly reliable in transmission.

The technical problem to be solved by the utility model is realized through the following technical solutions. The utility model is an environmental meteorological monitoring device for overhead transmission lines, which is characterized in that it includes a background host computer and a monitoring terminal installed on each pole tower of the transmission line in the monitoring area, each plural (generally less than 10) Select one of the terminals as the concentrator; the monitoring terminal transmits the collected information to the concentrator through the digital transmission station or the EUDO module, and the concentrator transmits the collected information to the background host computer through the digital transmission station or the EUDO module;

Described monitoring terminal comprises STM32 single-chip microcomputer, GPS module, sensor module, power supply module and digital transmission radio station; GPS module, digital transmission radio station are connected with the UART pin of STM32 single-chip microcomputer; Power supply module is connected with the power supply pin of STM32 single-chip microcomputer;

Described sensor module comprises environment temperature and humidity sensor, wind speed and wind direction sensor, sunshine radiation sensor and rainfall sensor; Environment temperature and humidity sensor is connected with the SPI pin of STM32 single-chip microcomputer; Wind speed and wind direction sensor, sunshine radiation sensor and rain sensor and the AD of STM32 one-chip computer The pins are connected;

The power supply module includes a photovoltaic power supply, the photovoltaic power supply is connected in series with the control module, then connected in parallel with the storage battery, and finally connected with the load (STM32 single-chip microcomputer power supply pin);

The monitoring terminal as the concentrator is also provided with an EUDO module, and the EUDO module is connected with the JART pin of the STM32 single-chip microcomputer.

When in use, each concentrator receives the meteorological data of the corresponding monitoring terminal, and uploads the environmental meteorological data to the background monitoring host computer through the digital transmission station (or EUDO module); the time synchronization is performed through the GPS module to ensure the synchronization of the uploaded data.

In the technical scheme of the device for realizing environmental meteorological monitoring of overhead transmission lines of the utility model, if there is no special description for each component, module and control system, the components, modules and control system disclosed in the prior art and applicable to the present invention can be used .

Expert analysis software can be installed on the background monitoring host computer described in the utility model; it preferably has the following functions: displaying and storing monitoring data, and providing various meteorological data for dispatchers.

Compared with the prior art, the utility model is an on-line monitoring and transposition of multiple meteorological parameters that can adapt to harsh weather environments, is highly integrated, highly reliable, and follows standard communication protocols, and can realize wind speed, wind direction, temperature, humidity, Centralized monitoring and reliable transmission of parameters such as rainfall and light radiation. It meets the accuracy, reliability and stability requirements proposed by the State Grid Corporation of China. It conducts centralized monitoring of environmental meteorological parameters on important transmission lines and disaster-prone areas, and provides decision-making information support for production operation management and scheduling.

Description of drawings

Fig. 1 is a kind of setting diagram of the utility model;

Fig. 2 is the structural block diagram of the monitoring terminal of the present utility model;

Fig. 3 is the structural block diagram of the monitoring terminal as concentrator in the utility model;

Fig. 4 is a schematic block diagram of the structure of the power supply module of the present invention.

Detailed ways

The specific technical solutions of the utility model will be further described below with reference to the accompanying drawings, so that those skilled in the art can further understand the utility model without constituting a limitation on the rights thereof.

Embodiment 1, referring to Fig. 1-4, an environmental meteorological monitoring device for an overhead power transmission line.

As shown in Figure 1, a monitoring terminal 1 is installed on each tower of the transmission line in the area to be monitored, and one of the multiple terminals is selected as the concentrator 2. The monitoring terminal 1 transmits the collected information to the concentrator 2 through the digital transmission station 14, and the concentrator 2 transmits the collected information to the background host computer 3 through the digital transmission station 24 in a unified manner.

As shown in Figure 2, the monitoring terminal 1 includes an STM32 single-chip microcomputer 10, a GPS module 11, a sensor module 12, a power supply module 13, and a digital transmission station 14; the sensor module 12 includes an environmental temperature and humidity sensor (SHT71), a wind speed and direction sensor (BCQ-FS-BA), solar radiation sensor (GZD system) and rain sensor (WD211); the sensor stores the measured environmental parameters into the STM32 microcontroller 10, and sends these data to the concentrator 2 through the digital transmission station 14. During operation, the power supply module 13 supplies power to the monitoring terminal 1; the GPS module 11 (EM310) performs time synchronization to ensure the synchronization of uploaded data.

As shown in Figure 3, the described monitoring terminal as concentrator 2 comprises STM32 single-chip microcomputer 10, GPS module 11, sensor module 12, power supply module 13, data transmission station 14, EUDO module 15; Described sensor module 12 comprises environment temperature and humidity sensor (SHT71), wind speed and direction sensor (BCQ-FS-BA), sunshine radiation sensor (GZD system) and rain sensor (WD211); the environmental parameters received by the monitoring terminal and the environmental parameters measured by the sensor are stored in In the STM32 single-chip microcomputer 10, these data are sent to the background host computer 3 through the digital transmission station 14 (if the distance between the concentrator and the background exceeds 40 kilometers, then through the EUDO module 15). During operation, the power supply module 13 supplies power to the concentrator 2; the GPS module 11 (EM310) performs time synchronization to ensure the synchronization of uploaded data.

As shown in FIG. 4 , taking the power supply module 13 as an example, it is composed of a solar photovoltaic power supply 131 , a storage battery 132 and a control module 133 . The photovoltaic power supply 131 performs power conditioning through the control module to charge the battery 132, and then the battery supplies power to the rear load.

In this embodiment, a monitoring terminal is installed on each tower of the power transmission line in the area to be monitored, and one of a plurality (less than 10) of terminals is selected as a concentrator. The monitoring terminal transmits the collected information to the concentrator through the digital transmission station, and the concentrator transmits it to the background host computer through the digital transmission station. Time synchronization is performed between each monitoring terminal and the concentrator through the GPS module to ensure the synchronization of uploaded data.

Claims (1)

1. A kind of overhead transmission line environmental meteorological monitoring device, it is characterized in that: it comprises background host computer and a monitoring terminal installed on each pole tower of monitoring area transmission line, selects one in every plural terminals as concentrator; Monitoring The terminal transmits the collected information to the concentrator through the digital transmission station or the EUDO module, and the concentrator transmits it to the background host computer through the digital transmission station or the EUDO module; Described monitoring terminal comprises STM32 single-chip microcomputer, GPS module, sensor module, power supply module and digital transmission radio station; GPS module, digital transmission radio station are connected with the UART pin of STM32 single-chip microcomputer; Power supply module is connected with the power supply pin of STM32 single-chip microcomputer; Described sensor module comprises environment temperature and humidity sensor, wind speed and wind direction sensor, sunshine radiation sensor and rainfall sensor; Environment temperature and humidity sensor is connected with the SPI pin of STM32 single-chip microcomputer; Wind speed and wind direction sensor, sunshine radiation sensor and rain sensor and the AD of STM32 one-chip computer The pins are connected; The power supply module includes a photovoltaic power supply, the photovoltaic power supply is connected in series with the control module, then connected in parallel with the storage battery, and finally connected with the power supply pin of the load STM32 microcontroller; The monitoring terminal as the concentrator is also provided with an EUDO module, and the EUDO module is connected with the JART pin of the STM32 single-chip microcomputer.

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