Monitoring system of distribution cabinet
A monitoring system and power distribution cabinet technology, applied in electrical components, circuit devices, etc., can solve the problems of strong signal interference, many physical wiring harnesses, and large space occupied by the monitoring system.
Active Publication Date: 2015-04-29
HUAWEI DIGITAL POWER TECH CO LTD
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Problems solved by technology
Since each signal acquisition module is directly connected to the backplane, and then the backplane transmits the signal collected by the signal acquisition module to the signal processing unit module, which results in many physical wiring harnesses on the backplane, strong signal interference, and makes the entire monitoring system Take up a lot of space
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[0017] Such as Figure 1A As shown, Figure 1A Shows a schematic structural diagram of a monitoring system of a power distribution cabinet provided by an embodiment of the present invention. The monitoring system of the power distribution cabinet in this embodiment includes: a control module 11, a main detection module 12, and at least one expansion module 13;
[0018] Among them, the control module 11 is connected to the main detection module 12, and is used to send a monitoring instruction to the main detection module 12. The monitoring instruction is used to enable the main detection module 12 to obtain the status of the low-voltage power distribution device in the power distribution cabinet detected by the extension module 13 Parameter instruction;
[0019] The main detection module 12 is connected to the expansion module 13, and is used to obtain the state parameters of the low-voltage power distribution device detected by the expansion module 13 according to the monitoring instr...
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The invention provides a monitoring system of a distribution cabinet, which comprises a control module, a master detection module and at least one expansion module, wherein the control module is connected with the master detection module for transmitting a monitoring instruction to the master detection module; the monitoring instruction is used for allowing the master detection module to obtain state parameters of a low-voltage distributor in the distribution cabinet detected by the expansion module; the master detection module is connected with the expansion module for obtaining the state parameters detected by the expansion module according to the monitoring instruction, and the expansion module is connected with the to-be-detected low-voltage distributor for detecting the state parameters of the low-voltage distributor. The monitoring system in the invention can solve the problems of excessive floor wire harnesses, strong signal interference and large space consumption of the monitoring system of the distribution cabinet in prior art.
Description
Technical field [0001] The embodiment of the present invention relates to power distribution monitoring technology, in particular to a monitoring system of a power distribution cabinet. Background technique [0002] Generally, the power distribution cabinet is located indoors, and the power delivered by the power grid is distributed to various power-consuming devices through the configuration of the power distribution cabinet. The existing power distribution cabinet is mainly composed of low-voltage power distribution devices (such as air switches, contactors, or fuses, etc.) connected by copper bars and cables. [0003] In the prior art, it is necessary to monitor the state parameters of low-voltage power distribution devices in the power distribution cabinet, and thus a monitoring system of the power distribution cabinet is provided, for example. The monitoring system can monitor the current signal, voltage signal, insulation status, fault trip status and other status parameters...
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IPC IPC(8): H02J13/00
Inventor 郑凯范毅钟欢喜
Owner HUAWEI DIGITAL POWER TECH CO LTD