Intelligent terminal modular digital integrated protector
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A comprehensive protector and intelligent terminal technology, applied in electrical components, circuit devices, etc., can solve the problem of intelligent and networked management of low-voltage power grid terminals that do not have three-time automatic reclosing, no adjustable leakage action value, and overcurrent. Action value adjustable intelligent function and other issues
Inactive Publication Date: 2011-12-21
DAJAN HLDG GRP +2
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[0002] At present, the small leakage circuit breaker and the small automatic reclosing leakage protection switch used in the low-voltage electrical equipment field in the known field of low-voltage electrical appliances all have functions such as overload, short circuit, overvoltage, undervoltage, leakage protection and one-time automatic reclosing, but, These small terminal modular protective devices do not have intelligent functions such as adjustable leakage action value, adjustable over-current action value, current and voltage leakage display, etc., nor do they have three times automatic reclosing and telemetry, remote communication, remote control, and remote adjustment. Intelligent and networked management functions of low-voltage power grid terminals
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[0014] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.
[0015] like figure 1 and figure 2 As shown in the figure, an intelligent terminal modularized integrated protector is composed of a modularized small plastic case, a main circuit and an auxiliary power supply circuit, a zero sequence transformer, a voltage sampling circuit, a manganin shunt sampling circuit, data comparison and parameter It is composed of adjustment circuit, single chip microcomputer (U3), LED display circuit, alarm circuit, remote control communication interface, and electric automatic reclosing circuit.
[0016] like figure 1 As shown, in the modularized small plastic shell, incoming terminals (N, L) are installed, and the moving and static contacts (D) are connected with wires from the incoming wire terminals (N, L), and then connected with manganese One end of the copper conductor (L02) and the other end of the manganese-copper ...
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Abstract
A modular and digital integrated protector for intelligent terminals, which not only has protection functions such as overload, short circuit, overvoltage, undervoltage, leakage, and automatic tracking of leakage, but also has adjustable leakage action value, adjustable overcurrent action value, three times Comprehensive functions such as automatic reclosing, as well as data display and transmission of single-phase current, voltage, leakage current, etc. Function. It is composed of a small modular plastic shell, main circuit and auxiliary power supply circuit, zero-sequence transformer, voltage sampling circuit, manganese-copper shunt sampling circuit, data comparison and parameter adjustment circuit, single-chip microcomputer (U3), LED display circuit, alarm circuit , remote control communication interface, and electric automatic reclosing circuit.
Description
1. Technical field [0001] The invention relates to a small terminal intelligent comprehensive protector in the field of low-voltage electrical appliances, in particular to a module that integrates the functions of a high breaking small circuit breaker, a small leakage circuit breaker, current, voltage and leakage data collection and processing, and automatic reclosing. Comprehensive intelligent terminal protector. 2. Background technology [0002] At present, the small leakage circuit breaker and the small automatic reclosing leakage protection switch used in the low-voltage electrical equipment field in the known field of low-voltage electrical appliances all have functions such as overload, short circuit, overvoltage, undervoltage, leakage protection and one-time automatic reclosing, but, These small terminal modular protective devices do not have intelligent functions such as adjustable leakage action value, adjustable over-current action value, current and voltage leakag...
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Application Information
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