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A leakage circuit breaker and circuit breaking unit technology, which is applied to circuit breaker components, switchgear status indication, protective switch terminals/connections, etc., can solve problems such as poor versatility and limited wiring methods of leakage circuit breakers
Active Publication Date: 2022-08-05
浙江益合智能科技有限公司
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Problems solved by technology
Greatly restricts the wiring mode of leakage circuit breakers, resulting in poor versatility of existing leakage circuit breakers
Method used
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[0040] The present invention will be further described in detail below with reference to the accompanying drawings.
[0041] refer to Figure 1 to Figure 12 , an earth leakage circuit breaker, comprising a casing 1, a live wire breaking unit and a neutral wire breaking unit, the casing 1 is formed with a first installation cavity 20 and a second installation cavity 21, the first installation cavity 20 and the second installation cavity 21 The two are arranged opposite to each other, the live line breaking unit is installed in the second installation cavity 21 , and the neutral line breaking unit is installed in the first installation cavity 20 . The live wire breaking unit includes a live wire operating mechanism 2, a live wire tripping mechanism 3, a live wire moving contact 4, a live wire static contact 5, a live wire arc extinguishing cover 6 and a live wire terminal 7, and the neutral wire breaking unit includes a neutral wire operating mechanism 8, zero wire The line tri...
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Abstract
The invention discloses a leakage circuit breaker, comprising a casing, a live wire breaking unit and a neutral wire breaking unit. The live wire breaking unit includes a live wire operating mechanism, a live wire tripping mechanism, a live wire moving contact, a live wire static contact, and a live wire arc extinguishing cover And the live wire terminal, the live wire operating mechanism includes a contact seat, an operating handle and a connecting rod, the live wire moving contact is arranged on the contact seat, and the neutral wire breaking unit includes a neutral wire operating mechanism, a neutral wire tripping mechanism, and a neutral wire moving contact , Zero line static contact, circuit board and zero line terminal, the zero line breaking unit includes the zero line arc extinguishing cover, the contact seat is provided with a conductive switching piece, the conductive switching piece is electrically connected with the live line moving contact, and the housing is provided with There are conductive parts, and the conductive parts are electrically connected with the circuit board. The present invention has the following advantages and effects: the present invention has dual arc extinguishing functions, can realize positive and negative wiring, has an indication reset function, and can also have a leakage test function, thereby better adapting to future development.
Description
technical field [0001] The invention relates to the technical field of circuit breakers, in particular to a leakage circuit breaker. Background technique [0002] Residual current circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions, and can close, carry and break current under abnormal circuit conditions within a specified time. When there is leakage or personal electric shock in the protected circuit, as long as the leakage current reaches the operating current value selected by the design, the leakage release in the leakage circuit breaker will make the circuit breaker operate, thereby cutting off the power supply to protect against leakage and electric shock. The earth leakage circuit breaker usually includes a housing, a live line breaking unit and a neutral line breaking unit. [0003] The live wire breaking unit includes a live wire operating mechanism, a live wire tripping mechanism, a live wire moving ...
Claims
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Application Information
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