Ground wire ice melting full-state sensing device

Abstract

The utility model belongs to the technical field of equipment, particularly relates to a ground wire ice melting full-state sensing device, aims to realize full-state sensing of ground wires in an ice melting process, and comprises a processor, a data transmission module, various sensors, a positioning module, an image acquisition module and a power supply unit, the various sensors, the data transmission module, the positioning module, the image acquisition module and the power supply unit are respectively connected to the processor; the various sensors comprise a current sensor, a temperature sensor, an environment temperature and humidity sensor and a wind pressure sensor. The ice melting device has the advantages of sensing the full state of the ground wire in the ice melting process, being small in size, easy to install and high in reliability.

Description

Technical Field

[0001] The utility model belongs to the technical field of a device for monitoring the de-icing status of a ground wire of a power transmission line, and in particular relates to a device for sensing the full state of de-icing of a ground wire. Background Art

[0002] Ice on the ground wire of overhead transmission lines is extremely harmful to line operation. In severe cases, it may cause line disconnection and tower collapse. Therefore, deicing of ground wires is an essential and important task in winter power grid operation and maintenance. However, at present, there is a lack of real-time perception of the various states of ground wires during the deicing process.

[0003] Therefore, it is necessary to design a monitoring device to realize online real-time perception of the full status of the ground wire during the ice melting process, timely grasp the ice melting status of the ground wire, ensure the safety of the ground wire ice melting process, and timely discover and deal with potential risks. Utility Model Content

[0004] In view of the technical problems existing in the background technology, the utility model provides a ground wire de-icing full-state sensing device, which can realize online real-time sensing of the full state of the ground wire during the de-icing process.

[0005] In order to achieve the above purpose, the technical solution provided by the utility model is:

[0006] A ground wire ice melting full-state sensing device, comprising a processor, a data transmission module, multiple sensors, a positioning module, an image acquisition module and a power supply unit;

[0007] The various sensors, the data transmission module, the positioning module, the image acquisition module and the power supply unit are respectively connected to the processor;

[0008] The various sensors include current sensors, temperature sensors, ambient temperature and humidity sensors, and wind pressure sensors.

[0009] Preferably, the current sensor is a Hall sensor or a magnetoresistive current sensor, and the current sensor is connected to the processor via an AD high-speed sampling interface.

[0010] Preferably, the temperature sensor is a digital temperature sensor or a platinum resistance point temperature sensor, and the temperature sensor is connected to the processor via an AD interface.

[0011] Preferably, the ambient temperature and humidity sensor is connected to the processor via an I2C interface.

[0012] Preferably, the wind pressure sensor is connected to the processor via an I2C interface.

[0013] Preferably, the power supply unit includes a BMS power management module, a battery, a solar panel and an induction self-power module;

[0014] The processor, the battery, the solar panel and the inductive self-energy extraction module are respectively connected to the BMS power management module through IO interfaces.

[0015] Preferably, the data transmission module adopts a CAT1 or LoRa module, and the data transmission module is connected to the processor via a UART interface.

[0016] Preferably, the positioning module adopts a Beidou positioning module, and the positioning module is connected to the processor via a UART interface.

[0017] Preferably, the image acquisition module adopts a visualization lens, and the image acquisition module is connected to the processor via a DCMI interface.

[0018] Preferably, an external memory is also included, and the external memory is connected to the processor via an SPI interface.

[0019] The utility model has the following advantages and beneficial effects:

[0020] In the utility model, a variety of sensors are used to realize the full state perception of the ground wire before and after ice melting and during the ice melting process, so as to timely grasp the ice melting state of the ground wire, ensure the safety of the ground wire ice melting process, and timely discover and deal with potential risks;

[0021] In the utility model, by fusing sensor data and visual image lenses, multi-dimensional perception of the ground wire status is achieved, further improving the comprehensiveness of the full state perception of the ground wire before and after ice melting and during the ice melting process;

[0022] The power supply unit provided in the utility model adopts the inductive self-energy extraction and solar energy hybrid energy extraction mode, and the power supply reliability is higher;

[0023] The utility model has an integrated design, a compact structure, convenient installation, high cost performance, and is easy to promote and implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a result schematic diagram of the ground wire ice melting full-state sensing device provided by the utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example 1

[0028] A ground wire ice melting full state sensing device, see Figure 1 , including a processor, a data transmission module, a variety of sensors, a positioning module, an image acquisition module and a power supply unit;

[0029] The various sensors, the data transmission module, the positioning module, the image acquisition module and the power supply unit are respectively connected to the processor;

[0030] The various sensors include current sensors, temperature sensors, ambient temperature and humidity sensors, and wind pressure sensors.

[0031] The working principle of this embodiment is as follows:

[0032] The various sensors provided in this embodiment are used for all-round data measurement, among which the current sensor is used to measure the current when the ground wire is melting, the temperature sensor can measure the current of the ground wire when the ice is melting, the ambient temperature and humidity sensor is used to measure the temperature and humidity of the micro-ground wire environment near the ground wire, and the wind pressure sensor is used to measure the wind speed and wind direction near the ground wire; on the other hand, the image acquisition module can be used to observe the ice coverage and ice melting status of the ground wire.

[0033] This embodiment is based on the monitoring of the image acquisition module and multiple sensors to achieve full state perception of the melting of the ground wire. Then the processor uploads the collected data to the tower side gateway or directly to the background perception main station through the data transmission module after filtering, analysis, judgment and packaging, for line operation and maintenance personnel to view and analyze. The processor has edge computing function. When the collected data is analyzed for risk hazards, it immediately reports warning information to the background main station to notify the line operation and maintenance management personnel, integrates high-precision Beidou positioning, realizes the position monitoring of the ice melting perception device in the case of ice melting, and realizes ice shedding jump warning.

[0034] Example 2

[0035] This embodiment is based on the technical solution of Embodiment 1, and further explains the selection and connection of various modules of the ground wire ice melting full-state sensing device.

[0036] The processor of this embodiment can be selected based on the STM32 series MCU.

[0037] In this embodiment, the current sensor adopts a Hall sensor or a magnetoresistive current sensor, and the current sensor is connected to the processor via an AD high-speed sampling interface. In particular, the TMR magnetoresistive sensor chip used as the magnetoresistive current sensor realizes the ground wire current monitoring, and its miniaturized design has high precision, low power consumption, and high integration.

[0038] As a preferred solution, the temperature sensor adopts a digital temperature sensor or a platinum resistance point temperature sensor, and the temperature sensor is connected to the processor via an AD interface.

[0039] On the other hand, the ambient temperature and humidity sensor is connected to the processor via an I2C interface.

[0040] In addition, the wind pressure sensor is connected to the processor via an I2C interface.

[0041] Furthermore, the power supply unit includes a BMS power management module, a battery, a solar panel and an inductive self-power extraction module;

[0042] The processor, the battery, the solar panel and the inductive self-power module are connected to the BMS power management module through the IO interface respectively. Here, the BMS power management module in the power supply unit is connected to the battery through the IO interface to manage the charging and discharging of the battery. The solar panel can be charged by solar energy. The inductive self-power module can realize inductive self-power, that is, through the hybrid power mode of solar panels and inductive self-power, and then realize the use of ultra-low power consumption design and BMS intelligent power management unit, and then operate according to the power supply information in a graded and strategic manner to ensure the normal and reliable operation of the function. For areas with unstable signals, the device has the function of offline data storage and breakpoint resumption to ensure that the data can be reliably transmitted back to the background main station.

[0043] In this embodiment, the data transmission module adopts a CAT1 or LoRa module, and the data transmission module is connected to the processor via a UART interface.

[0044] As a preferred solution of this embodiment, the positioning module adopts a Beidou positioning module, and the positioning module is connected to the processor via a UART interface. High-precision Beidou positioning can realize the position monitoring of the ice melting sensing device in the case of ice melting, and realize ice shedding jump warning.

[0045] The image acquisition module of this embodiment may use a visualization lens, and the image acquisition module is connected to the processor via a DCMI interface. The DCMI interface is a digital camera interface, and the visualization lens used here may have a self-heating function to achieve lens de-icing in the case of ice coverage to ensure a clear field of view.

[0046] Finally, as a preferred configuration, an external memory is also included, and the external memory is connected to the processor via an SPI interface and is used to store the collected data and working status data.

[0047] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A ground wire ice melting full state sensing device, characterized in that : Includes processor, data transmission module, various sensors, positioning module, image acquisition module and power supply unit; The various sensors, the data transmission module, the positioning module, the image acquisition module and the power supply unit are respectively connected to the processor; The various sensors include current sensors, temperature sensors, ambient temperature and humidity sensors, and wind pressure sensors.

2. A ground wire ice melting full-state sensing device according to claim 1, characterized in that: The current sensor is a Hall sensor or a magnetoresistive current sensor, and the current sensor is connected to the processor via an AD high-speed sampling interface.

3. A ground wire ice melting full state sensing device according to claim 2, characterized in that: The temperature sensor is a digital temperature sensor or a platinum resistance point temperature sensor, and the temperature sensor is connected to the processor via an AD interface.

4. A ground wire ice melting full-state sensing device according to claim 3, characterized in that: The ambient temperature and humidity sensor is connected to the processor via an I 2C interface.

5. A ground wire ice melting full state sensing device according to claim 4, characterized in that: The wind pressure sensor is connected to the processor via an I 2C interface.

6. The ground wire ice melting full-state sensing device according to claim 1, characterized in that: The power supply unit includes a BMS power management module, a battery, a solar panel and an induction self-power module; The processor, the battery, the solar panel and the inductive self-energy extraction module are respectively connected to the BMS power management module through IO interfaces.

7. The ground wire ice melting full-state sensing device according to claim 1, characterized in that: The data transmission module adopts a CAT1 or LoRa module, and the data transmission module is connected to the processor via a UART interface.

8. The ground wire ice melting full-state sensing device according to claim 1, characterized in that: The positioning module adopts a Beidou positioning module, and the positioning module is connected to the processor via a UART interface.

9. The ground wire ice melting full-state sensing device according to claim 1, characterized in that: The image acquisition module adopts a visualization lens, and the image acquisition module is connected to the processor via a DCMI interface.

10. The ground wire ice melting full-state sensing device according to claim 1, characterized in that: It also includes an external memory, which is connected to the processor via an SPI interface.

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