plug-in circuit breaker
A circuit breaker, plug-in technology, applied in circuits, electrical components, protection switches, etc., can solve the problems of high switching cost and large space occupation, and achieve the effect of short demand path, saving installation cost, and reducing volume
Active Publication Date: 2019-05-10
SHANGHAI LIANGXIN ELECTRICAL
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Problems solved by technology
[0004] The purpose of the present invention is to solve the technical defects that the existing circuit breaker mentioned in the above background technology is installed in a specific narrow space and needs to re-layout the external connecting wires and copper bars, which takes up a lot of space and high switching costs.
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[0021] as attached Figure 1~3 As shown, a circuit breaker includes a housing 1, an incoming line mechanism 2, an outgoing line mechanism 3, an operating mechanism 4, an arc extinguishing mechanism 5, a short circuit protection mechanism 6 and an overload protection mechanism 7, the operating mechanism 4, the arc extinguishing mechanism 5 , Short-circuit protection mechanism 6 and overload protection mechanism 7 are contained in the shell 1 housing.
[0022] Wherein, the top of the operating mechanism 4 is connected with a button mechanism 8, the button mechanism 8 is installed in the installation groove 101 at the top of the casing 1, the outlet mechanism 3 is installed in the outlet mechanism installation groove 102 at the top of the casing 1, and the outlet mechanism 3 is located in the button mechanism. 8 on the left side, the arc extinguishing mechanism 5 is located under the operating mechanism 4, the short circuit protection mechanism 6 is installed under the outlet mec...
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The invention discloses a plug-in circuit breaker, which comprises an outer shell (1), a wire incoming mechanism (2), a wire outgoing mechanism (3), an operating mechanism (4), an arc extinguishing mechanism (5), a short-circuit protection mechanism (6), and an overload protection mechanism (7), and is characterized in that: a button mechanism (8) is connected to the upper part of the operating mechanism (4), the button mechanism (8) is installed in an installation groove (101) at the top end of the outer shell (1), the wire outgoing mechanism (3) is installed in an wire outgoing mechanism installation groove (102) at the top end of the outer shell (1), the wire outgoing mechanism (3) is positioned on the left side of the button mechanism (8), the arc extinguishing mechanism (5) is positioned below the operating mechanism (4), the short-circuit protection mechanism (6) is installed below the wire outgoing mechanism (3) and positioned on the left side of the operating mechanism (4), and the overload protection mechanism (7) and the operating mechanism (4) are positioned on the right side of the arc extinguishing mechanism (5) for carrying out overload protection on the circuit breaker. The plug-in circuit breaker can satisfy the requirements that the space occupied by the circuit breaker in an AC circuit is narrow, especially the direction of force applied by a wiring operation end must be consistent with the wire incoming direction, shortens the size of the circuit breaker, and saves the installation cost of the circuit breaker.
Description
technical field [0001] The invention belongs to the field of low-voltage electrical appliances, and in particular relates to a plug-in circuit breaker for direct current circuits. Background technique [0002] Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. Low-voltage circuit breaker, also known as automatic switch, is an electrical appliance that not only has the function of manual switch, but also can automatically protect against voltage loss, undervoltage, overload, and short circuit. It can be used to distribute electric energy, start asynchronous motors infrequently, protect power lines and motors, etc., and can automatically cut off the circuit when they have severe overload, short circuit and undervoltage faults. Its function is equivalent to a fuse switch and The combination of overheating and underheating relays, etc., and generally does not need to change parts after breaking the f...
Claims
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IPC IPC(8): H01H71/02
CPCH01H71/0207
Inventor 杨娜潘万军张阳张伟于贻鹏
Owner SHANGHAI LIANGXIN ELECTRICAL