Lightning arrester monitoring device and system based on wireless communication

Abstract

The utility model belongs to the field of lightning arrester monitoring, and particularly relates to a lightning arrester monitoring device based on wireless communication. The device comprises a monitoring device shell, and a mainboard module, a wireless transmission module, a current sampling module and a power management module which are respectively mounted in the monitoring device shell, the monitoring device housing is provided with a through hole matched with a to-be-monitored lightning arrester, and the monitoring device housing sleeves the to-be-monitored lightning arrester through the through hole. The acquisition end of the current sampling module is in contact with the lightning arrester to be monitored; the output end of the current sampling module is electrically connected with the input end of the mainboard module; the output end of the mainboard module is connected with the input end of the wireless transmission module, and the output end of the wireless transmission module is electrically connected with an external upper module. According to the utility model, real-time monitoring and wireless transmission of parameters of the lightning arrester can be realized, and the monitoring efficiency is improved.

Description

Technical Field

[0001] This utility model relates to a surge arrester monitoring device, specifically a surge arrester monitoring device based on wireless communication. Background Technology

[0002] With the development of smart grid technology, there is a greater demand for more flexible monitoring data. Traditional online monitoring devices for surge arresters mostly rely on wired transmission, which has disadvantages such as complex wiring and poor equipment installation flexibility. Therefore, it is particularly important to develop a surge arrester monitoring device that can monitor and transmit data wirelessly in real time. Utility Model Content

[0003] The purpose of this invention is to solve the technical problems of existing surge arrester monitoring devices that rely heavily on wired transmission, resulting in complex wiring and poor equipment installation flexibility. The invention provides a surge arrester monitoring device and system based on wireless communication.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A surge arrester monitoring device based on wireless communication, characterized by:

[0006] It includes a monitoring device housing, and a mainboard module, a wireless transmission module, a current sampling module, and a power management module, which are respectively installed inside the monitoring device housing;

[0007] The monitoring device housing is provided with a through hole adapted to the surge arrester to be monitored, and the monitoring device housing is fitted onto the surge arrester to be monitored through the through hole;

[0008] The current sampling module's acquisition terminal is connected to the surge arrester under monitoring and is used to acquire the surge arrester's current in real time; the current sampling module's output terminal is electrically connected to the motherboard module's input terminal and is used to provide the motherboard module with the acquired surge arrester's real-time current.

[0009] The mainboard module is used to determine whether the surge arrester has activated based on whether the real-time current of the surge arrester exceeds a preset threshold, and to record the number of activations. The output of the mainboard module is connected to the input of the wireless transmission module, and the output of the wireless transmission module is wirelessly connected to an external host module to output the number of activations and the real-time current of the surge arrester to the external host module.

[0010] The power management module is electrically connected to the power supply terminal of the motherboard module and is used to supply power to the motherboard module.

[0011] Furthermore, a solar panel is installed on the outer wall of the monitoring device housing, and the output end of the solar panel is connected to the power management module.

[0012] Furthermore, the monitoring device housing is a hollow cylindrical housing, the solar panel is installed on the outer peripheral surface of the monitoring device housing, and the through hole is an axial through hole provided on the end face of the monitoring device housing.

[0013] Furthermore, the current sampling module simultaneously supplies power to the mainboard module via the power management module through the collected surge arrester current.

[0014] Furthermore, the wireless transmission module is a Wi-Fi wireless communication module.

[0015] Meanwhile, this utility model also provides a surge arrester monitoring system based on wireless communication, which is special in that:

[0016] It includes at least one of the aforementioned surge arrester monitoring devices based on wireless communication, and a host module;

[0017] The number of surge arrester monitoring devices based on wireless communication is multiple, and multiple surge arrester monitoring devices are respectively installed on multiple surge arresters to be monitored; multiple wireless transmission modules are wirelessly connected to each other and wirelessly connected to the upper-level module respectively, for outputting the number of surge arrester actions and the real-time current of the surge arrester to the external upper-level module, or outputting to the external upper-level module through the wireless transmission module in other surge arrester monitoring devices.

[0018] Alternatively, the number of surge arrester monitoring devices based on wireless communication is one, and the host module is wirelessly connected to the wireless transmission module of the surge arrester monitoring device.

[0019] Furthermore, the upper-level module is a cloud server or a backend system.

[0020] The beneficial effects of this utility model are:

[0021] 1. Real-time monitoring and wireless transmission of surge arrester parameters have been achieved, improving monitoring efficiency.

[0022] 2. It solves the wiring difficulties in traditional monitoring methods, and improves the flexibility and convenience of the equipment.

[0023] 3. Supports interconnection of multiple monitoring devices to increase signal transmission strength.

[0024] 4. It provides a strong guarantee for the safe and reliable operation of the power system, reduces the occurrence of surge arrester accidents, reduces the number and time of maintenance, and improves overall economic efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of an embodiment of the surge arrester monitoring device based on wireless communication of this utility model;

[0026] Figure 2 This is a circuit structure diagram of an embodiment of the surge arrester monitoring device based on wireless communication of this utility model;

[0027] In the diagram: 1-Solar panel, 2-Through hole, 3-Monitoring device housing. Detailed Implementation

[0028] To make the objectives, advantages, and features of this utility model clearer, the following detailed description of a surge arrester monitoring device and system based on wireless communication, in conjunction with the accompanying drawings and specific embodiments, will further clarify these points. The advantages and features of this utility model will become clearer according to the following detailed embodiments.

[0029] This embodiment discloses a surge arrester monitoring system based on wireless communication, which mainly includes a host module and at least one surge arrester monitoring device based on wireless communication.

[0030] If there are multiple surge arresters, the number of surge arrester monitoring devices based on wireless communication can be set to multiple. Multiple surge arrester monitoring devices are installed on multiple surge arresters respectively. Multiple wireless transmission modules are wirelessly connected to each other and wirelessly connected to the upper-level module respectively. The number of surge arrester operations and the real-time current of the surge arrester are output to the external upper-level module, or output to the external upper-level module through the wireless transmission module in other surge arrester monitoring devices.

[0031] Alternatively, when there is only one surge arrester monitoring device based on wireless communication, the host module is wirelessly connected to the wireless transmission module of the surge arrester monitoring device to output the number of surge arrester actions and the real-time current of the surge arrester to the external host module.

[0032] The upper-level module can be a cloud server or a back-end system, which enables remote monitoring and data analysis, providing decision support.

[0033] See Figure 1 and Figure 2 This embodiment of a surge arrester monitoring device based on wireless communication mainly includes a monitoring device housing 3, a main board module, a wireless transmission module, a current sampling module and a power management module respectively installed in the monitoring device housing 3, and a solar panel 1 installed on the outer wall of the monitoring device housing 3.

[0034] For details, see Figure 1 In this embodiment, the monitoring device housing 3 is set as a hollow cylindrical housing. A through hole 2 adapted to the surge arrester to be monitored is provided on the end face of the monitoring device housing 3 along its axial direction. The monitoring device housing 3 is fitted onto the surge arrester to be monitored through the through hole 2, thereby realizing quick installation and cooperation with the surge arrester to be monitored.

[0035] It is understood that in this embodiment, the acquisition terminal of the current sampling module needs to be in contact with the surge arrester under monitoring, so as to acquire the current of the surge arrester under monitoring in real time through the acquisition terminal of the current sampling module. The power supply output terminal of the current sampling module is electrically connected to the power supply terminal of the motherboard module through the power management module, providing power to the motherboard module, and simultaneously providing the motherboard module with the acquired real-time surge arrester current through the signal output terminal. The power management module is a rechargeable power management module, which is electrically connected to the power supply terminal of the motherboard module and is used to supply power to the motherboard module.

[0036] The monitoring device in this embodiment adopts three power supply methods: power management module, solar power supply, and leakage current power supply, which broadens the power supply options of the monitoring device and provides a guarantee for the long-term stable operation of the monitoring device.

[0037] The motherboard module determines whether the surge arrester should trip based on whether the real-time current exceeds a preset threshold, and records the number of trips. The wireless transmission module is a Wi-Fi wireless communication module. The output of the motherboard module is connected to the input of the wireless transmission module, and the output of the wireless transmission module is electrically connected to an external host module, outputting the number of surge arrester trips and the real-time current of the surge arrester to the external host module via Wi-Fi wireless communication technology.

Claims

1. A surge arrester monitoring device based on wireless communication, characterized in that: It includes a monitoring device housing (3), and a motherboard module, a wireless transmission module, a current sampling module and a power management module respectively installed in the monitoring device housing (3); The monitoring device housing (3) is provided with a through hole (2) adapted to the surge arrester to be monitored, and the monitoring device housing (3) is fitted onto the surge arrester to be monitored through the through hole (2); The current sampling module's acquisition terminal is connected to the surge arrester under monitoring and is used to acquire the surge arrester's current in real time; the current sampling module's output terminal is electrically connected to the motherboard module's input terminal and is used to provide the motherboard module with the acquired surge arrester's real-time current. The mainboard module is used to determine whether the surge arrester has activated based on whether the real-time current of the surge arrester exceeds a preset threshold, and to record the number of activations. The output of the mainboard module is connected to the input of the wireless transmission module, and the output of the wireless transmission module is wirelessly connected to an external host module to output the number of activations and the real-time current of the surge arrester to the external host module. The power management module is electrically connected to the power supply terminal of the motherboard module and is used to supply power to the motherboard module.

2. The surge arrester monitoring device based on wireless communication according to claim 1, characterized in that: A solar panel (1) is installed on the outer wall of the housing (3) of the monitoring device, and the output end of the solar panel (1) is connected to the power management module.

3. The surge arrester monitoring device based on wireless communication according to claim 2, characterized in that: The monitoring device housing (3) is a hollow cylindrical housing. The solar panel (1) is installed on the outer circumferential surface of the monitoring device housing (3). The through hole (2) is an axial through hole set on the end face of the monitoring device housing (3).

4. A surge arrester monitoring device based on wireless communication according to any one of claims 1-3, characterized in that: The current sampling module simultaneously supplies power to the mainboard module via the power management module through the collected current of the surge arrester under monitoring.

5. A surge arrester monitoring device based on wireless communication according to claim 4, characterized in that: The wireless transmission module is a Wi-Fi wireless communication module.

6. A surge arrester monitoring system based on wireless communication, characterized in that: It includes at least one surge arrester monitoring device based on wireless communication as described in any one of claims 1-5, and a host module; The number of surge arrester monitoring devices based on wireless communication is multiple, and multiple surge arrester monitoring devices are respectively installed on multiple surge arresters to be monitored; multiple wireless transmission modules are wirelessly connected to each other and wirelessly connected to the upper-level module respectively, for outputting the number of surge arrester actions and the real-time current of the surge arrester to the external upper-level module, or outputting to the external upper-level module through the wireless transmission module in other surge arrester monitoring devices. Alternatively, the number of surge arrester monitoring devices based on wireless communication is one, and the host module is wirelessly connected to the wireless transmission module of the surge arrester monitoring device.

7. A surge arrester monitoring device based on wireless communication according to claim 6, characterized in that: The upper-level module is a cloud server or a backend.

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