Circuit breaker with combined protection structure
A combined protective structure and circuit breaker technology, which is applied to the parts of the protective switch, protective switch terminals/connection, protective switch operation/release mechanism, etc., can solve the problem of poor stability of the limit line connection, and increase the protective effect. The effect of increasing stability
Pending Publication Date: 2022-06-24
深圳凯海科技有限公司
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Problems solved by technology
[0004] The object of the present invention is to provide a circuit breaker with a combined protection structure in order to solve the problems of inconvenient position limitation and poor stability of line connection when the control switch is turned off.
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[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0032] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than ...
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The invention discloses a circuit breaker with a combined protection structure, and relates to the field of circuit breakers. A circuit breaker main body; a control switch; a bolt; a positioning pressing plate; a protection mechanism; and the limiting mechanisms are distributed at the top of the positioning pressing plate and one end of the circuit breaker main body, and are used for improving the stability of connection between an external wire and the circuit breaker main body. By arranging the limiting mechanism, when the circuit breaker main body operates normally, the top of the movable frame is attached to the bottom of the first straight rack, so that the positioning pressing plate is limited, the stability of connection between the wire and the circuit breaker main body is improved, and when a line connected with the circuit breaker main body is in a condition, the positioning pressing plate can be fixed. The control switch can drive the spur gear to rotate through the rotating wheel, the spur gear can drive the second spur rack to move when rotating, so that the positioning pressing plate is not limited, then the positioning pressing plate can be moved by rotating the bolt, and convenience is provided for equipment maintenance.
Description
technical field [0001] The invention relates to the field of circuit breakers, in particular to a circuit breaker with a combined protection structure. Background technique [0002] A circuit breaker refers to a switch 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. Circuit breakers are divided into High-voltage circuit breakers and low-voltage circuit breakers, the distinction between high and low voltage is relatively vague, generally referred to as high-voltage electrical appliances above 3kV, circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, and protect power lines and motors. It can automatically cut off the circuit in the event of serious overload or short circuit and undervoltage. Its function is equivalent to the combination of a fuse switch and an overheating and underheating relay, and gen...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01H71/08H01H71/10H01H9/20
CPCH01H71/08H01H71/1054H01H9/20
Inventor 陈展辉林汉平
Owner 深圳凯海科技有限公司