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Tank-type circuit breaker

A circuit breaker and tank type technology, which is applied to circuit breaker parts, circuits, and protection switch parts, etc., can solve the problems of poor structural stability, complex structure, inconvenient installation, etc., and achieve stable structure, good insulation effect, The effect of easy installation

Inactive Publication Date: 2016-03-16
CHENGDU GERUISI CULTURAL COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Plug-in wiring: On the mounting plate of the complete device, install a circuit breaker mounting base first, with 6 plugs on the mounting base, 6 sockets on the connecting plate of the circuit breaker, and a connecting plate or mounting base on the surface of the mounting base There are bolts at the back, and the power line and load line are pre-connected to the mounting base. At present, the existing tank circuit breaker has a complex structure, inconvenient installation, and poor structural stability during use.

Method used

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  • Tank-type circuit breaker

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Embodiment Construction

[0015] refer to figure 1 As shown, a pot circuit breaker includes a base 1, a casing 2, a current transformer 3 and a mechanism box 4, the casing 2 is set on the base 1, and the current transformer 3 is set on the casing 2, the mechanism box 4 is set at one end of the base 1, the mechanism box 4 is provided with a crank box 5, the housing 2 is provided with an arc extinguishing chamber 6 and a static contact 7, and the extinguishing The arc chamber 6 is connected to the crank box 5 by transmission, and the outer side of the static contact 7 is provided with a basin-type insulator 8 . The connection terminal 12 is connected to the circuit, and the position of the arc extinguishing chamber 6 is adjusted through the crank box 5 on the mechanism box 4, thereby controlling the on-off of the circuit. The current transformer 3 is provided with a lower equalizing ring 9, an outlet The porcelain sleeve 10 and the upper pressure equalizing ring 11, the lower pressure equalizing ring 9,...

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Abstract

The invention discloses a tank-type circuit breaker, which comprises a base, a shell, current transformers and a mechanism case, wherein the shell is arranged on the base; the current transformers are arranged at two sides of the shell; the mechanism case is arranged at one end of the base; a connecting lever box is arranged on the mechanism case; an arc extinguish chamber and a static contact are arranged in the shell; the arc extinguish chamber and the connecting lever box are in transmission connection; a basin-type insulator is arranged at the outer side of the static contact; a lower grading ring, an outlet porcelain sleeve and an upper grading ring are arranged on each current transformer; each lower grading ring, each outlet porcelain sleeve and each upper grading ring all are fixedly connected with one another in sequence; and a wiring terminal is arranged on each upper grading ring and is electrically connected with the static contact. The tank-type circuit breaker is convenient to operate, high in structure stability, safe and reliable.

Description

technical field [0001] The invention relates to the technical field of electric equipment, in particular to a tank circuit breaker. Background technique [0002] A 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. Circuit breakers are divided into For high-voltage circuit breakers and low-voltage circuit breakers, the division of high and low voltage boundaries is relatively vague. Generally, those above 3kV are called high-voltage electrical appliances. [0003] Circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, protect power lines and motors, and automatically cut off the circuit when they are severely overloaded, short-circuited, or under-voltage. Its function is equivalent to a fuse-type switch. Combination with overheat and underheat relays, etc., and general...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/02H01H73/18
CPCH01H71/0207H01H73/18
Inventor 曾玥
Owner CHENGDU GERUISI CULTURAL COMM
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