CN211042330U - Dynamic capacity expansion comprehensive monitoring device based on multi-dimensional sensing data - Google Patents

Abstract

The utility model discloses a dynamic capacity-increasing comprehensive monitoring device based on multidimensional sensing data, which comprises a spherical shell, an insulating sleeve, a data acquisition module, a main control circuit board, a wireless communication module and an energy-taking module; the data acquisition module, the main control circuit board, the wireless communication module and the energy acquisition module are integrated on the spherical shell and the insulating sleeve and can be installed on a lead of the power transmission line through one-time construction; and multiple sensors are integrated into one set of equipment, the structure of the traditional online monitoring equipment is simplified, monitoring values of factors influencing the current-carrying capacity of the wire, such as the temperature of the wire, the sag of the wire, the current of the wire, the ambient temperature, the wind speed and the wind direction, the sunlight intensity and the like, are provided, and a multidimensional dynamic capacity-increasing basis is provided for scheduling personnel.

Description

Dynamic capacity expansion comprehensive monitoring device based on multi-dimensional sensing data

technical field

The utility model relates to the technical field of power technology and dynamic capacity increase of transmission lines, in particular to a comprehensive monitoring device for dynamic capacity increase based on multi-dimensional sensing data.

Background technique

With the continuous and rapid development of my country's economy, the power consumption continues to increase, and the bottleneck problem of power transmission capacity is very prominent. The shortage of power supply has become one of the main reasons for restricting economic development. However, the transmission capacity of the existing lines is more strictly limited, and there is often a contradiction between power transmission and power demand. Therefore, while accelerating the construction of smart grid, how to improve the transmission capacity of existing transmission lines is of great practical significance to improve the safe, economical and reliable operation of the grid.

The traditional dynamic capacity expansion monitoring uses sensors such as wire temperature and wire sag to be installed on the wires respectively.

Utility model content

The purpose of the present utility model is to solve the above technical problems and provide a dynamic capacity-increasing comprehensive monitoring device based on multi-dimensional sensing data with reasonable structure and convenient installation.

In order to solve the above technical problems, the present invention adopts the following technical solutions.

A comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional perception data includes a spherical shell, an insulating sleeve placed inside the spherical shell, a data acquisition module, a main control circuit board, a wireless communication module and an energy acquisition module.

The spherical shell is divided into two upper and lower hemispherical shells, and one end of the upper and lower hemispherical shells is hinged and the other end can be locked by bolts. Two circular holes are formed transversely through the outer wall of the spherical shell. A circular hole is installed on the wire of the transmission line, and the spherical shell is in contact with the wire and forms an equipotential body.

The insulating sleeve is divided into two upper and lower half-cylinders, and the upper and lower half-cylinders are hinged at one end and can be locked by bolts at the other end. The insulating sleeve is sleeved on the wire, and the outer wall of the insulating sleeve is formed with two an annular groove.

The data acquisition module includes a current sensor, a sag sensor, and a temperature sensor. The coil of the current sensor is divided into upper and lower half circles, and the upper and lower half circles are locked in an annular groove on the outer wall of the insulating sleeve by bolts. , sag sensor and temperature sensor are integrated on the main control circuit board.

The main control circuit board is fixed on the inner wall of the spherical shell by bolts, and the main control circuit board is also integrated with a main control circuit, which is respectively electrically connected with the current sensor, the sag sensor, the temperature sensor and the wireless communication module, The main control circuit is used for receiving the data collected by the current sensor, the sag sensor and the temperature sensor and sending the data to the sink node device via the wireless communication module.

The energy extraction module includes an energy extraction coil and an energy extraction circuit board, the energy extraction coil is divided into two upper and lower half circles, and the upper and lower half circles are locked in another annular groove on the outer wall of the insulating sleeve by bolts, The energy-taking circuit board is fixed on the inner wall of the spherical shell through bolts. The energy-taking circuit board is integrated with an energy-taking control circuit and a step-down circuit. The energy-taking coil obtains electricity from the wires of the transmission line through the principle of electromagnetic induction. The control circuit and the step-down circuit output 4V voltage to supply power for the main control circuit, data acquisition module, and wireless communication module.

Further, the wireless communication module is a lora wireless communication module conforming to the ubiquitous power Internet of Things architecture.

Further, a circular groove is formed on the outer wall of the insulating sleeve, and the collecting end of the temperature sensor extends into the circular groove.

Further, the main control circuit communicates with the current sensor through a digital I/O port, and the current sensor is used to collect the current amplitude signal on the wire and transmit it to the main control circuit.

Further, the main control circuit communicates with the temperature sensor through a digital I/O port, and the temperature sensor is used to collect the temperature data of the wire and transmit it to the main control circuit.

Further, the main control circuit and the sag sensor perform RS485 serial communication, and the sag sensor is used to collect the sag data of the wire and transmit it to the main control circuit.

Further, the main control circuit communicates with the wireless communication module through a serial communication interface.

Further, a meteorological monitoring device is installed on the tower of the transmission line, and the meteorological monitoring device is connected to the sink node device by means of wireless communication, and sends the collected meteorological data to the sink node device.

Further, the weather monitoring device includes one or more of an ambient temperature sensor, a humidity sensor, a wind speed and direction sensor, and a sunshine sensor.

The beneficial effects of the utility model are as follows: the utility model discloses a dynamic capacity-increasing comprehensive monitoring device which integrates wire current, wire temperature and wire sag sensors. Install meteorological monitoring devices on transmission line towers, install dynamic capacity-enhancing comprehensive monitoring equipment on wires, integrate multiple sensors into one set of equipment, simplify the structure of traditional online monitoring equipment, and install them in place through one construction, while providing wires The monitoring values of factors that affect the current carrying capacity of the wire, such as temperature, wire sag, wire current and ambient temperature, wind speed and direction, and sunshine intensity, provide multi-dimensional dynamic capacity expansion basis for dispatchers.

Description of drawings

FIG. 1 is a block diagram of the modules of the present invention.

Figure 2 is a schematic diagram of the internal structure of the utility model.

FIG. 3 is a schematic structural diagram of the spherical casing mounted on the wire in the utility model.

4 is a schematic three-dimensional structure diagram of a spherical shell in the present invention.

FIG. 5 is a schematic three-dimensional structure diagram of the insulating sleeve in the present invention.

FIG. 6 is a system structure diagram of the utility model applied to the field.

Among them, 1-Dynamic capacity expansion comprehensive monitoring device, 11-Current sensor, 12-Sag sensor, 13-Temperature sensor, 14-Wireless communication module, 15-Energy acquisition coil, 16-Main control circuit board, 17-Energy acquisition Circuit board, 18-spherical shell, 181-round hole, 19-insulation sleeve, 191-ring groove, 192-circular groove, 2-convergence node device, 3-weather monitoring device, 4-wire.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIGS. 1 to 6 , a comprehensive monitoring device 1 for dynamic capacity expansion that integrates wire current, wire temperature and wire sag sensors of the present invention, combined with the meteorological information of the area where the target line is located, and uses the wire design parameters of the line, Under the premise of not breaking through the current technical regulations, according to the mathematical model of dynamic capacity expansion of the transmission line, the maximum allowable current carrying capacity of the line is calculated to provide the dispatcher with the basis for dynamic capacity expansion.

As shown in FIG. 1 , the comprehensive monitoring device 1 for dynamic capacity expansion of the present invention includes a data acquisition module, a main control circuit, a wireless communication module 14 and an energy acquisition module. The data acquisition module includes a current sensor 11 , a sag sensor 12 and a temperature sensor 13 . The current sensor is used to collect the current amplitude signal on the wire 4 of the transmission line, the sag sensor is used to collect the sag data of the wire 4 of the transmission line, and the temperature sensor is used to collect the temperature data of the wire 4 of the transmission line. The main control circuit communicates with the current sensor 11 and the temperature sensor 13 through the digital I/O port, carries out RS485 serial communication with the sag sensor, and communicates with the wireless communication module 14 through the serial communication interface; the main control circuit is used to receive the current sensor. 11. The data collected by the sag sensor 12 and the temperature sensor 13 are sent to the sink node device via the wireless communication module 14, wherein the wireless communication module 14 is a lora wireless communication module conforming to the ubiquitous power Internet of Things architecture. The energy taking module includes an energy taking coil 15, an energy taking control circuit and a step-down circuit. The energy taking coil 15 obtains electric energy from the wire 4 of the transmission line through the principle of electromagnetic induction, and outputs a 4V voltage after passing through the energy taking control circuit and the step-down circuit. Power supply for the main control circuit, data acquisition module, and wireless communication module 14.

As shown in FIGS. 2 to 5 , the comprehensive monitoring device 1 for dynamic capacity expansion of the present invention is installed on the wire 4 of the power transmission line, and further includes a main control circuit board 16 , an energy acquisition circuit board 17 , a spherical shell 18 and an insulating sleeve Cartridge 19.

The spherical shell 18 is formed by combining the upper hemispherical shell and the lower hemispherical shell with equal diameters. One end of the upper hemispherical shell and the lower hemispherical shell is hinged through a pin shaft, and the other end is connected with an extension plate, respectively. Threaded holes, the upper and lower hemispherical shells can be locked by connecting the two threaded holes with bolts. Two circular holes 181 are formed transversely through the outer wall of the spherical shell 18. After the upper and lower hemispherical shells are locked by bolts, the spherical shell 18 can be held tightly on the wire 4 of the transmission line through the two circular holes 181, and the spherical shell 18 is in contact with the conductor 4 of the transmission line and forms an equipotential body.

The insulating sleeve 19 is formed by assembling the upper half cylinder and the lower half cylinder of equal diameter. One end of the upper half cylinder and the lower half cylinder is hinged by a pin shaft, and the other end is connected with a wing plate, respectively. The upper half cylinder and the lower half cylinder can be locked by connecting the two threaded holes with bolts. The inner diameter of the insulating sleeve 19 matches the outer diameter of the wire 4 of the transmission line, and the upper and lower half cylinders are locked by bolts. Afterwards, the insulating sleeve 19 can be gripped on the wire 4 of the power transmission line. Two annular grooves 191 and a circular groove 192 are also formed on the outer wall of the insulating sleeve 19; the two annular grooves 191 are respectively used to install the coil of the current sensor 11 and the energy-taking coil 15, wherein the coil of the current sensor 11 and the The energy taking coil 15 is divided into two upper and lower half circles, and the coil of the current sensor 11 and the upper and lower half circles of the energy taking coil 15 are locked in the corresponding annular grooves 191 by bolts. After locking, the current sensor 11 The coil and the energy-taking coil 15 can form a closed coil; the circular groove 192 is used in conjunction with the temperature sensor 13, and the collecting end of the temperature sensor 13 extends into the circular groove 192. The design of the circular groove 192 The distance between the collecting end of the temperature sensor 13 and the wire 4 of the transmission line can be shortened, so that the wire temperature data collected by the temperature sensor 13 is more accurate. In addition, the temperature sensor 13 and the upper hemispherical shell of the spherical shell 18 are relatively fixed, The positioning and mounting of the spherical housing 18 and the insulating sleeve 19 can be achieved by positioning and mounting the temperature sensor 13 and the circular groove 192 .

The main control circuit board 16 is integrated with the main control circuit, the sag sensor 12, the temperature sensor 13, and the wireless communication module 14, and the energy acquisition circuit board 17 is integrated with the energy acquisition control circuit and the step-down circuit. A plurality of mounting posts with threaded holes are respectively formed on the inner walls of the shell and the lower hemispherical shell; the main control circuit board 16 is installed in the upper hemispherical shell of the spherical shell 18 by bolts, specifically, the bolts pass through the main control circuit board 16 The mounting holes on the upper hemispherical shell are connected to the mounting posts in the upper hemispherical shell to realize the fixation of the main control circuit board 16 and the upper hemispherical shell; the energy taking circuit board 17 is installed in the lower hemispherical shell through bolts. The mounting holes on the circuit board 17 are connected to the mounting posts in the lower hemispherical shell, so as to realize the fixation of the power taking circuit board 17 and the lower hemispherical shell.

When installing, first hold the insulating sleeve 19 tightly on the wire 4 of the transmission line, then install the coil of the current sensor 11 and the energy-taking coil 15 into the two annular grooves 191 on the insulating sleeve 19, and then install the current sensor 11. The coil of 11 and the energy taking coil 15 are connected to the main control circuit board 16 and the energy taking circuit board 17 fixed in the spherical shell 18, and finally the spherical shell 18 is covered on the insulating sleeve 19 and locked by bolts. on wire 4 of the line.

As shown in Figure 6, a meteorological monitoring device 3 is also installed on the tower of the transmission line. The meteorological monitoring device 3 integrates various meteorological sensors such as an ambient temperature sensor, a humidity sensor, a wind speed and direction sensor, and a sunshine sensor. The meteorological monitoring device adopts A separate lora wireless communication module is connected to the aggregation node device, and sends the collected meteorological data to the aggregation node device 2, where the aggregation node device 2 is installed on the tower of the transmission line and is a standardized networking device for the ubiquitous power Internet of Things .

The on-site system process is to collect the meteorology, wire current, wire sag, and wire temperature data on the target transmission line by the on-site sensing device, connect to the unified convergence node device 2 of the ubiquitous power Internet of things through the lora wireless communication module, and then pass through each The node-like device constitutes a micro-power/low-power wireless sensor network, which realizes the aggregation of sensor data, edge computing and intranet backhaul. After obtaining the wire temperature, ambient temperature, wind speed and other information, the maximum current carrying capacity of the target line can be calculated, and then the calculation result can be compared with the real-time operation data of the target line, which can provide the dispatcher with a dynamic capacity expansion basis.

The utility model integrates wire current, wire temperature and wire sag sensors into a dynamic capacity expansion comprehensive monitoring device, and conforms to the ubiquitous power Internet of Things standard access protocol. Integrate a variety of sensors into a set of equipment, simplify the structure of traditional online monitoring equipment, and provide monitoring values of wire temperature, wire sag, wire current and ambient temperature, wind speed and direction, sunshine intensity and other factors affecting wire current carrying capacity, for dispatching The personnel provide the basis for multi-dimensional dynamic capacity expansion.

To sum up, the content of the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can propose other embodiments within the technical guidance of the present invention, but these embodiments are all included in the present invention. within the scope of the utility model.

Claims (9)

1. a comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional perception data, is characterized in that, comprising spherical shell and insulating sleeve, data acquisition module, main control circuit board, wireless communication module and energy-fetching inside the spherical shell module; The spherical shell is divided into two upper and lower hemispherical shells, and one end of the upper and lower hemispherical shells is hinged and the other end can be locked by bolts. Two circular holes are formed transversely through the outer wall of the spherical shell. A round hole is installed on the wire of the transmission line, and the spherical shell is in contact with the wire and forms an equipotential body; The insulating sleeve is divided into two upper and lower half-cylinders, and the upper and lower half-cylinders are hinged at one end and can be locked by bolts at the other end. The insulating sleeve is sleeved on the wire, and the outer wall of the insulating sleeve is formed with two an annular groove; The data acquisition module includes a current sensor, a sag sensor, and a temperature sensor. The coil of the current sensor is divided into upper and lower half circles, and the upper and lower half circles are locked in an annular groove on the outer wall of the insulating sleeve by bolts. , the sag sensor and temperature sensor are integrated on the main control circuit board; The main control circuit board is fixed on the inner wall of the spherical shell by bolts, and the main control circuit board is also integrated with a main control circuit, which is respectively electrically connected with the current sensor, the sag sensor, the temperature sensor and the wireless communication module, The main control circuit is used to receive the data collected by the current sensor, the sag sensor and the temperature sensor and send the data to the sink node device via the wireless communication module; The energy extraction module includes an energy extraction coil and an energy extraction circuit board, the energy extraction coil is divided into two upper and lower half circles, and the upper and lower half circles are locked in another annular groove on the outer wall of the insulating sleeve by bolts, The energy-taking circuit board is fixed on the inner wall of the spherical shell through bolts. The energy-taking circuit board is integrated with an energy-taking control circuit and a step-down circuit. The energy-taking coil obtains electricity from the wires of the transmission line through the principle of electromagnetic induction. The control circuit and the step-down circuit output 4V voltage to supply power for the main control circuit, data acquisition module, and wireless communication module. 2 . The comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional perception data according to claim 1 , wherein the wireless communication module is a lora wireless communication module conforming to the ubiquitous power Internet of Things architecture. 3 . 3. The comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional sensing data according to claim 1, wherein a circular groove is also formed on the outer wall of the insulating sleeve, and the collecting end of the temperature sensor extends into the circular groove. 4. The comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional sensing data according to claim 1, wherein the main control circuit communicates with a current sensor through a digital I/O port, and the current sensor is used to collect the The current amplitude signal is transmitted to the main control circuit. 5. The comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional sensing data according to claim 1, wherein the main control circuit communicates with a temperature sensor through a digital I/O port, and the temperature sensor is used to collect the temperature of the wire data and transmitted to the main control circuit. 6 . The comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional sensing data according to claim 1 , wherein the main control circuit and the sag sensor carry out RS485 serial communication, and the sag sensor is used to collect the sag of the wire. 7 . data and transmitted to the main control circuit. 7 . The comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional sensing data according to claim 1 , wherein the main control circuit communicates with the wireless communication module through a serial communication interface. 8 . 8. The comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional perception data according to any one of claims 1-7, characterized in that, a weather monitoring device is installed on the tower of the transmission line, and the weather monitoring device adopts a wireless communication system. The method is connected to the sink node device, and the collected meteorological data is sent to the sink node device. 9 . The comprehensive monitoring device for dynamic capacity expansion based on multi-dimensional perception data according to claim 8 , wherein the meteorological monitoring device comprises one or more of an ambient temperature sensor, a humidity sensor, a wind speed and direction sensor, and a sunshine sensor. 10 . kind.

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