Simple instantaneous and fast breaking structure of small circuit breaker
A small circuit breaker and circuit breaker technology, applied in the direction of protection switch operation/release mechanism, etc., can solve the problems of circuit breaker and failure to use normally, and achieve the effect of increasing service life, simple structure and convenient use
Active Publication Date: 2020-02-11
NANJING APAITEK TECH
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Problems solved by technology
[0004] Not only that, after the miniature circuit breaker of the prior art trips, the whole circuit will fall into the state of disconnection and cannot be used normally
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[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0017] see Figure 1-3 , the present invention provides a technical solution: a simple instantaneous and quick breaking structure of a small circuit breaker, including a base 1 arranged inside the circuit breaker housing, a breaking spring 2 is fixedly installed on the base 1, and the breaking spring 2 is fixed on the base 1. The top of the spring 2 is fixedly connected to the clutch plate 3, and the top of the clutch plate 3 is provided with a buffer pad 4, w...
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The invention discloses a simple instantaneous and fast breaking structure of a small circuit breaker. The simple instantaneous and fast breaking structure comprises a base arranged inside a circuit breaker shell. A breaking spring is fixedly mounted on the base. A clutch plate is fixedly connected on the top of the breaking spring. A cushion pad is arranged at the top of the clutch plate. A hydraulic cylinder is arranged on the cushion pad. The power output end of the hydraulic cylinder is movably connected with the cushion pad. A closing port and an opening port are fixedly installed on theinner wall of the circuit breaker shell, and the opening port is also connected in series with an alarm bell, a warning lamp and a high-energy resistor. The simple instantaneous and fast breaking structure has the beneficial effects of simple structure and convenient use. The cushion pad can increase the overall service life of the breaking spring and the circuit breaker, and the opening circuitand the closing circuit are arranged in parallel and the normal use of the circuit can be ensured and the risk of fire can be avoided through the high-energy resistance arranged on the opening circuit.
Description
technical field [0001] The invention relates to the technical field of circuit breakers, in particular to a simple instantaneous and quick breaking structure of a circuit breaker. Background technique [0002] Miniature circuit breakers have the functions of connecting and breaking normal circuits, overload protection and short circuit protection, so they are widely used in low-voltage power distribution systems. [0003] When a short circuit occurs in the power distribution system, the moving iron core moves quickly under the action of the coil and drives the ejector rod to release the lock, thereby realizing the rapid tripping of the circuit breaker. With the rapid development of the power system, miniature circuit breakers are used in a wide range and in a large amount. In order to effectively improve product stability and reduce material costs, thereby enhancing product competitiveness, it is necessary to improve the existing circuit breaker structure in order to meet th...
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IPC IPC(8): H01H71/24
CPCH01H71/24
Inventor 刘凯龚叶芮国强
Owner NANJING APAITEK TECH