Circuit breakers pole column and manufacturing method thereof
A manufacturing method and technology for circuit breakers, which are applied to high-voltage air circuit breakers, circuits, electrical components, etc., can solve the problems of unsatisfactory phase-to-phase isolation in structural design, insulation performance, and affect the reliability of circuit breaker operation, and achieve phase-to-phase isolation, structural Simple, easy maintenance and replacement
Inactive Publication Date: 2008-03-12
北海银河生物产业投资股份有限公司
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Problems solved by technology
However, the circuit breaker poles currently available on the market are not ideal in terms of structural design, insulation performance, and phase isolation, which directly affects the operational reliability of the circuit breaker.
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[0010] Referring to Figure 1 and Figure 2, Figure 1 is a schematic perspective view of the present invention, and Figure 2 is a schematic front view of the present invention. From Fig. 1 and Fig. 2, we can see the outline shell, the connecting end of the operating mechanism, the connecting end of the load switch and the direction of the A-A sectional view of a circuit breaker pole of the present invention.
[0011] Referring to Fig. 3, Fig. 3 is a cross-sectional view of Fig. 2 A-A, from Fig. 3, we can see the internal structure of a circuit breaker pole of the present invention and its connection relationship, the present invention includes an operating mechanism connecting end 1, a pole The column housing 2, the copper terminal 4, the load switch connection end 5, the arc extinguishing chamber 6, the feeder connection end 7, the conductive connection part 9, and a shielding cover 3 is also arranged around the connection end 1 of the operating mechanism. The inner insert is s...
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A post strap of circuit breaker and its manufacturing method is provided, which comprises a shielding case (3) mounted around the coupling end (1) of the operation mechanism and a chain conducting ring (10) on one end of arc chute (6). After connecting with the electric connecting piece (9), chain conducting ring (10) and shielding case (3), the arc chute (6) is linked with copper tip (4) and coupling end of load switch (5). The other end of the arc chute (6) is connected with the coupling end of the feeder line (7). The manufacturing method provided in the invention is to forced fill all components into a whole with epoxide resin, and spray coating a silicon rubber layer (11) on the surface around the shell of the epoxide resin (2). After vulcanization of silicone rubber coating (11), the resistance value on the surface is 5,000 to 20,000 Omegas. The invention has the advantages of simple structure, small size, good insulating property, safe and reliable operation, phase segregation and convenient overhauling and replacing, which is applicable to high pressure solid insulated switchgear.
Description
technical field [0001] The invention belongs to the technical field of manufacture of electric equipment, and particularly relates to the design and manufacture of a circuit breaker pole used in a solid insulation switch cabinet and a manufacturing method thereof. Background technique [0002] There are various types of circuit breakers on the market, with different structures and installation methods. Each phase of these circuit breakers is independently formed as a circuit breaker pole. When in use, install the three-phase poles on the fixed cabinet frame, connect the moving end of the vacuum interrupter to the operating mechanism, and connect the upper and lower terminals of the poles to the incoming and outgoing busbars. When the line is short-circuited or overcurrent , protect the transformer and other components. However, the circuit breaker poles currently available on the market are not ideal in terms of structural design, insulation performance, and phase-to-phase ...
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IPC IPC(8): H01H33/02H01H33/66H01H33/662H01H33/664H01H11/00
Inventor 李水胜胡文波王肇华
Owner 北海银河生物产业投资股份有限公司