Vacuum circuit breaker
A technology of vacuum circuit breakers and vacuum interrupters, which is applied in the direction of high-voltage air circuit breakers, circuits, electrical components, etc., can solve the uneven distribution of dynamic and static voltages between modules, the large number of transmission and connection structural parts, and reduce the probability of successful breaking, etc. problem, to achieve the effect of improving safety and stability, compact structure and high reliability
Inactive Publication Date: 2013-07-17
QIDONG DEJIA ELECTRICAL APPLIANCE FITTINGS
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Problems solved by technology
[0002] With the continuous development of the economy, the grid structure and load characteristics are becoming more and more complicated. Many sensitive electrical loads connected to the power system are extremely vulnerable to the influence from the power system and external disturbances. Traditional high-voltage vacuum circuit breakers are prone to transmission during use. There are many parts used in the connection structure, which is prone to vibration, loud noise, and unstable operation during operation. In daily work, it is prone to uneven dynamic and static voltage distribution between modules, which reduces the success probability of breaking and increases Production costs reduce work efficiency, therefore, in order to solve the above problems, a new technical solution is provided
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[0013] Such as figure 1 As shown, a vacuum circuit breaker of the present invention includes a vacuum interrupter 1, a beam 2 and a crank box 3, the crank box 3 is provided with a main shaft 4, the beam 2 is provided with a transmission shaft 5, and the main shaft 4 is The shaft 5 is connected with the vacuum interrupter 1, and the vacuum interrupter 1 is equipped with a static contact 6, a moving contact 7, a driving mechanism 8, a circuit intelligent controller 9 and a lightning arrester 10, and the moving contact 7 is connected with the driving mechanism 8 , the drive mechanism 8 is connected to the circuit intelligent controller 9, the lightning arrester 10 is electrically connected between the static contact 6 and the moving contact 7, and an insulating ceramic 11 is provided at the contact between the drive mechanism 8 and the circuit intelligent controller 9.
[0014] The invention has the advantages of compact structure, convenient operation, convenient installation an...
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The invention discloses a vacuum circuit breaker which includes a vacuum arc-extinguishing chamber, a transverse beam and a crank arm box. The vacuum circuit breaker is characterized in that the vacuum arc-extinguishing chamber is connected with the crank arm box through the transverse beam, the inside of the vacuum arc-extinguishing chamber is provided with a fixed contact, a moving contact, a driving mechanism, a control module and an arrester, the moving contact is connected with the driving mechanism which is connected with the control module, the arrester is arranged between the fixed contact and the moving contact in an electrical connection mode, and an insulation mechanism is arranged on the contact portion of the driving mechanism and the control module. The vacuum circuit breaker has the advantages of being compact in structure, being convenient and fast in operation during the using process, convenient to install and highly reliable. Besides, the safety and the stability of the vacuum circuit breaker are greatly improved due to the arrangement of the arrester and insulating ceramics, the service life of the vacuum circuit breaker is prolonged, the working efficiency is improved and costs are reduced.
Description
technical field [0001] The invention relates to a circuit breaker, in particular to a vacuum circuit breaker. Background technique [0002] With the continuous development of the economy, the grid structure and load characteristics are becoming more and more complicated. Many sensitive electrical loads connected to the power system are extremely vulnerable to the influence from the power system and external disturbances. Traditional high-voltage vacuum circuit breakers are prone to transmission during use. There are many parts used in the connection structure, which is prone to vibration, loud noise, and unstable operation during operation. In daily work, it is prone to uneven dynamic and static voltage distribution between modules, which reduces the success probability of breaking and increases The production cost reduces the work efficiency, therefore, in order to solve the above problems, a new technical solution is specially provided. Contents of the invention [0003...
Claims
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Inventor 苏东宏
Owner QIDONG DEJIA ELECTRICAL APPLIANCE FITTINGS