High-voltage transmission line state monitoring device

Abstract

The utility model provides a high-voltage power transmission line state monitoring device, relates to the technical field of high-voltage power transmission line monitoring, and realizes comprehensive and accurate monitoring of the state of a high-voltage power transmission line by integrating a high-precision grating sensing module, an electrical sensing module, an environment sensing module and a GPS positioning module. By introducing the central processing module and the wireless communication module, the real-time performance and reliability of data transmission are ensured, and remote control and maintenance are supported at the same time. The optimization design of the power management module improves the energy efficiency and environmental adaptability of the system. The visual display and rapid alarm functions of the monitoring platform further improve the operation efficiency and the fault response speed. Generally speaking, the scheme effectively solves the problems of monitoring precision, environmental adaptability, data transmission stability and the like in the prior art, the maintenance cost is remarkably reduced, and the safety and reliability of the power transmission line are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage transmission line monitoring, in particular to a high-voltage transmission line state monitoring device. Background Art

[0002] In the existing high-voltage transmission line monitoring system, there are common problems such as low monitoring accuracy, poor environmental adaptability, and unstable data transmission.

[0003] For example, the continuous X-ray detection device for power transmission line detection published in China Patent Publication No. CN210626373U can use X-rays to detect the inside of the power transmission line crimping tube, but the detection type is too single and cannot fully capture the state changes of the power transmission line. In addition, data loss or false alarms are prone to occur under severe weather conditions. In addition, existing monitoring systems often lack efficient power management and remote control functions, resulting in high maintenance costs and long response times.

[0004] The above information disclosed in this Background section is only for enhancement of understanding of the background of the present disclosure and therefore it may contain information that does not constitute the prior art that is already known to one of ordinary skill in the art. Utility Model Content

[0005] The purpose of the utility model is to provide a high-voltage transmission line status monitoring device to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A high-voltage transmission line status monitoring device, characterized in that it includes several groups of detection systems for collecting transmission line data and a monitoring platform for observation, wherein the detection system includes:

[0008] A grating sensor module, which is in communication with the central processing module and is used to detect temperature change data and stress change data of the power transmission line;

[0009] An electrical sensing module, the electrical sensing module is electrically connected to the central processing module, and includes a current sensing unit and a voltage sensing unit, which are used to detect current data and voltage data of the power transmission line respectively;

[0010] An environmental sensing module, which is electrically connected to the central processing module and includes a temperature sensing unit and a humidity sensing unit, which are used to detect the ambient temperature data and the ambient humidity data of the environment where the power transmission line is located, respectively;

[0011] A GPS positioning module, which is in communication with the central processing module and is used to detect coordinate data of a corresponding detection system;

[0012] A central processing module, the central processing module is electrically connected to the wireless communication module and the power management module, and is used to determine the detection status of the detection system according to whether the data detected by the grating sensor module, the electrical sensor module, and the environmental sensor module exceeds a preset threshold;

[0013] A wireless communication module, the wireless communication module is connected to the monitoring platform for bidirectional data transmission with the monitoring platform;

[0014] A power management module, the power management module includes a power supply unit and a distribution unit, the distribution unit is electrically connected to the power supply unit and the central processing module, and the distribution unit is pre-installed with an MPPT algorithm for adjusting the output power of the power supply unit according to the ambient temperature data and the ambient humidity data detected by the environmental sensor module;

[0015] The monitoring platform includes:

[0016] A display module, the display module is electrically connected to the alarm module and is used to display the detection status and coordinate information of each detection system, as well as the data detected by the corresponding grating sensor module, electrical sensor module, and environmental sensor module;

[0017] The alarm module includes a buzzer and an alarm light, and is used to sound an alarm when the detection state of the detection system is abnormal.

[0018] Preferably, the grating sensor module is a fiber Bragg grating, which is encapsulated in a housing made of glass fiber reinforced plastic, installed at the position of the transmission line insulator string, and is communicatively connected to the central processing module via optical fiber.

[0019] Preferably, the current sensing unit and the voltage sensing unit are respectively a current transformer and a voltage transformer, both of which are connected in parallel with the isolating switch of the transmission line.

[0020] Preferably, the power supply unit includes a solar panel and a battery, which are used to supply power to the entire detection system.

[0021] Preferably, the display module has an external network port connected to a cloud server, and is used to upload the detection status, coordinate information of each detection system, and the data detected by the corresponding grating sensor module, electrical sensor module, and environmental sensor module to the cloud server for storage.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] The utility model realizes comprehensive and accurate monitoring of the status of high-voltage transmission lines by integrating high-precision grating sensor modules, electrical sensor modules, environmental sensor modules and GPS positioning modules. The introduction of central processing modules and wireless communication modules ensures the real-time and reliability of data transmission, while supporting remote control and maintenance. The optimized design of the power management module improves the energy efficiency and environmental adaptability of the system. The intuitive display and rapid alarm functions of the monitoring platform further improve operational efficiency and fault response speed. In general, this solution effectively solves the problems of monitoring accuracy, environmental adaptability and data transmission stability in the prior art, significantly reduces maintenance costs, and improves the safety and reliability of transmission lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the module structure of the utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0026] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] Example:

[0028] See also Figure 1 , the utility model provides a technical solution:

[0029] A high-voltage transmission line state monitoring device comprises several groups of detection systems for collecting transmission line data and a monitoring platform for observation.

[0030] The detection system includes: grating sensor module, electrical sensor module, environmental sensor module, GPS positioning module, central processing module, wireless communication module and power management module.

[0031] The grating sensor module is a fiber Bragg grating, which can perform high-sensitivity, high-precision temperature and stress detection, and has strong weather resistance and is suitable for harsh environments. The specific model can be the OptaSense FBG-100 series, which is encapsulated in a shell made of glass fiber reinforced plastic, installed at the position of the transmission line insulator string, and communicated with the optical fiber interface of the central processing module through a single-mode optical fiber (model: Corning SMF-28) to detect the temperature change data and stress change data of the transmission line, discover potential faults in time, improve the accuracy and reliability of the monitoring system, and reduce false alarms and missed alarms.

[0032] The electrical sensing module is electrically connected to the central processing module, and includes a current sensing unit and a voltage sensing unit. The current sensing unit and the voltage sensing unit are respectively a current transformer and a voltage transformer, both of which are connected in parallel with the isolation switch of the transmission line, and are used to detect the current data and voltage data of the transmission line respectively. The electrical sensing module can adopt an integrated sensing module of model Schneider Electric PM5350, which includes a current sensing unit (model: LEMHTA 2000) and a voltage sensing unit (model: LEM LV 25-P) inside, both of which adopt high-precision transformers, and are electrically connected to the A / D conversion interface of the central processing module through a signal line, and are suitable for high-voltage environments, have good anti-interference capabilities, can enhance the real-time monitoring capabilities of the system, and optimize power dispatching and maintenance plans.

[0033] The environmental sensing module is electrically connected to the central processing module, and may adopt an integrated sensing module of model Bosch BME280, which has the advantages of small size and low power consumption. The environmental sensing module includes a temperature sensing unit and a humidity sensing unit, which are respectively used to detect the ambient temperature data and the ambient humidity data of the environment where the transmission line is located. The environmental sensing module is electrically connected to the I2C interface of the central processing module through the I2C interface, and by measuring accurate environmental data, it can help evaluate the impact of environmental factors on the transmission line and improve the environmental adaptability of the system.

[0034] The GPS positioning module adopts the ub lox NEO-M8N series GPS module, which has an integrated GPS receiver and antenna. It can communicate with the UART interface of the central processing module through the UART interface, and is used to detect the coordinate data of the corresponding detection system, which is convenient for rapid response and maintenance, helps to improve the system's geographic information management capabilities, and optimizes fault location and processing procedures.

[0035] The central processing module adopts an ARM processor of model Advantech MIC-7000, which has multiple interfaces such as optical fiber, A / D conversion, I2C, UART, etc., can receive and send multiple different types of data, and supports complex algorithms and remote control. The central processing module is electrically connected to the wireless communication module and the power management module, and is used to judge the detection status of the group of detection systems based on whether the data detected by the grating sensor module, the electrical sensor module, and the environmental sensor module exceeds the preset threshold, thereby improving the overall performance and scalability of the system and supporting future functional upgrades and integration. When the detected data exceeds the preset threshold, the detection status of the group of detection systems is considered to be abnormal, which means that the section of the transmission line corresponding to the group of detection systems is abnormal. The method of threshold judgment is a prior art and will not be elaborated here.

[0036] The wireless communication module can adopt the Sierra Wi re less Ai rPri ime WP7702 model, which includes a 4G LTE modem, an antenna and a SIM card slot, and is connected to the monitoring platform for two-way data transmission with the monitoring platform, thereby enhancing the system's remote management capabilities and reducing maintenance costs and response times.

[0037] The power management module adopts an integrated management module of the model Victron Energy Phoenix Inverter Smart, including a power supply unit and a distribution unit. The power supply unit includes a solar panel and a battery, and the distribution unit is a solar charge controller. The power supply unit is used to supply power to the entire detection system. The distribution unit is electrically connected to the power supply unit and the central processing module. The distribution unit is pre-installed with an MPPT algorithm, which is used to adjust the output power of the power supply unit according to the ambient temperature data and ambient humidity data detected by the environmental sensor module, to ensure stable power supply of the system under various environmental conditions, extend the life of the equipment, and improve the energy efficiency and sustainability of the system, reducing dependence on traditional power grids. The MPPT algorithm is also called the maximum power point tracking algorithm, which is a prior art and will not be elaborated here.

[0038] The monitoring platform includes: a display module and an alarm module.

[0039] The display module adopts a combination display of the Dell UltraSharp U2718Q series, including a high-resolution display and an external network port. The display module is electrically connected to the alarm module, and is used to display the detection status and coordinate information of each detection system, as well as the data detected by the corresponding grating sensor module, electrical sensor module, and environmental sensor module, and is connected to the cloud server through the external network port for data backup. The alarm module includes a buzzer and an alarm light, which is used to sound an alarm when the detection status of the detection system is abnormal.

[0040] In summary, the utility model realizes comprehensive and accurate monitoring of the status of high-voltage transmission lines by integrating high-precision grating sensor modules, electrical sensor modules, environmental sensor modules and GPS positioning modules. The introduction of the central processing module and the wireless communication module ensures the real-time and reliability of data transmission, while supporting remote control and maintenance. The optimized design of the power management module improves the energy efficiency and environmental adaptability of the system. The intuitive display and rapid alarm functions of the monitoring platform further improve the operating efficiency and fault response speed. In general, this solution effectively solves the problems of monitoring accuracy, environmental adaptability and data transmission stability in the prior art, significantly reduces maintenance costs, and improves the safety and reliability of transmission lines.

[0041] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0042] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A high voltage transmission line status monitoring device, characterized in that: It includes several groups of detection systems for collecting transmission line data and a monitoring platform for observation, wherein the detection system includes: A grating sensor module, which is in communication with the central processing module and is used to detect temperature change data and stress change data of the power transmission line; An electrical sensing module, the electrical sensing module is electrically connected to the central processing module, and includes a current sensing unit and a voltage sensing unit, which are used to detect current data and voltage data of the power transmission line respectively; An environmental sensing module, which is electrically connected to the central processing module and includes a temperature sensing unit and a humidity sensing unit, which are used to detect the ambient temperature data and the ambient humidity data of the environment where the power transmission line is located, respectively; A GPS positioning module, which is in communication with the central processing module and is used to detect coordinate data of a corresponding detection system; A central processing module, the central processing module is electrically connected to the wireless communication module and the power management module, and is used to determine the detection status of the detection system according to whether the data detected by the grating sensor module, the electrical sensor module, and the environmental sensor module exceeds a preset threshold; A wireless communication module, the wireless communication module is connected to the monitoring platform for bidirectional data transmission with the monitoring platform; A power management module, the power management module includes a power supply unit and a distribution unit, the distribution unit is electrically connected to the power supply unit and the central processing module, and the distribution unit is pre-installed with an MPPT algorithm for adjusting the output power of the power supply unit according to the ambient temperature data and the ambient humidity data detected by the environmental sensor module; The monitoring platform includes: A display module, the display module is electrically connected to the alarm module and is used to display the detection status and coordinate information of each detection system, as well as the data detected by the corresponding grating sensor module, electrical sensor module, and environmental sensor module; The alarm module includes a buzzer and an alarm light, and is used to sound an alarm when the detection state of the detection system is abnormal.

2. A high voltage transmission line status monitoring device according to claim 1, characterized in that: The grating sensor module is a fiber Bragg grating, which is encapsulated in a housing made of glass fiber reinforced plastic, installed at the position of the transmission line insulator string, and is connected to the central processing module through optical fiber.

3. A high voltage transmission line status monitoring device according to claim 1, characterized in that: The current sensing unit and the voltage sensing unit are respectively a current transformer and a voltage transformer, both of which are connected in parallel with the isolating switch of the power transmission line.

4. A high voltage transmission line status monitoring device according to claim 1, characterized in that: The power supply unit includes a solar panel and a battery, which is used to supply power to the entire detection system.

5. A high voltage transmission line status monitoring device according to claim 1, characterized in that: The display module has an external network port, which is connected to the cloud server and is used to upload the detection status and coordinate information of each detection system, as well as the data detected by the corresponding grating sensor module, electrical sensor module and environmental sensor module to the cloud server for storage.

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