Distribution cable branch box state monitoring system and method
A technology of condition monitoring system and cable branch box, applied in signal transmission system, electrical measurement, short-circuit test, etc., can solve the problem of poor signal penetration performance of short-distance wireless communication technology, short single-hop communication distance, unsuitable for condition monitoring, etc. problem, to solve the problem of power access, low power consumption, and full functions.
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[0050] Example 1:
[0051] The state monitoring system for the distribution cable branch box provided by the embodiment of the present invention has a unit structure such as figure 1 Shown, including:
[0052] An intelligent monitoring unit, a distribution network status monitoring system master station connected to the intelligent monitoring unit through a low-power wide area network; the intelligent monitoring unit is arranged in a cable branch box;
[0053] Among them, the intelligent monitoring unit collects and analyzes the operating status and environmental parameter data of the cable branch box in real time, and reports alarm information to the main station of the distribution network status monitoring system through the low-power wide area network when an abnormality is found; the main station of the distribution network status monitoring system The alarm information is analyzed and processed.
[0054] Wherein, the intelligent monitoring unit includes: a low-power wide area ne...
Example Embodiment
[0068] Example 2:
[0069] The embodiment of the present invention provides a remote monitoring method and system for the operation status of a distribution cable branch box based on the Low-Power Wide-Area Network (LPWAN) technology of the 230M frequency band, which mainly includes three parts: Intelligent monitoring unit, LPWAN network, distribution network status monitoring system master station.
[0070] figure 1 It is the composition diagram of the intelligent monitoring unit for the state of the cable branch box. The device unit consists of a variety of sensors, signal processing unit, intelligent controller MCU unit, LPWAN wireless module and battery power supply unit.
[0071] The sensor unit mainly includes two types of environment and cable running state sensing. Environmental sensors such as temperature, humidity, and water level sensors, operating status such as power cable joint temperature sensor, current sensor, ground fault sensor, partial discharge of cable insulat...
Example Embodiment
[0080] Example 3:
[0081] Based on the same inventive concept, the present invention also provides a method for monitoring the status of a distribution cable branch box, the specific implementation process is as follows Figure 4 Shown, including:
[0082] Step S101: The intelligent monitoring unit collects and obtains the operating state and environmental parameter data of the cable branch box in real time;
[0083] Step S102: The intelligent monitoring unit judges whether the operating state of the cable branch box is abnormal according to the data, and if yes, reports alarm information to the main distribution network state monitoring station through the low-power wide area network;
[0084] Step S103: The distribution network status monitoring master station analyzes and processes the alarm information.
[0085] Specifically, in step S101, the intelligent monitoring unit collects and obtains the operating state and environmental parameter data of the cable branch box in real time. ...
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