Integrated device for large-scale low-voltage breaker high-current tests

Abstract

The invention relates to the technology of low-voltage breaker detecting tests and aims to provide and integrated device for large-scale low-voltage breaker high-current tests. The device comprises a transformer, a detecting power source, a vertical compression connecting mechanism, an auxiliary compression connecting mechanism, a horizontal positioning mechanism, a loop bus bar, a man-machine interface and a central controller, wherein the horizontal positioning mechanism, the auxiliary compression connecting mechanism and the vertical compression connecting mechanism are arranged on a mounting plate; the man-machine interface is respectively connected to electronic switch equipment through the central controller. The integrated device has the advantages that current loop length in high-current tests is reduced, transformer secondary-side high-current loop impedance is reduced, and high-current test equipment power consumption is lowered; the integrated device is small in equipment size, convenient and fast in compression connection, long in equipment service life, easy to popularize in factory automatic production lines and convenient to popularize in departments such as detecting institutions with limited sites; the integrated device can continuously detect the multiple electrodes of a three-phase breaker and is high in automation level.

Description

technical field [0001] The invention relates to a low-voltage circuit breaker delay characteristic test, an instantaneous short-circuit test and other high-current detection test technologies, in particular to an integrated test device applied to low-voltage circuit breaker high-current detection. Background technique [0002] Low-voltage circuit breaker product detection test includes delay overload test, short circuit test, definite time tripping test and temperature rise characteristics and other detection test items. During these test items, a large current needs to be applied to the circuit breaker under test, so these tests are all It belongs to the high current test of circuit breaker. In these tests, the definite time tripping test is a necessary link in the production and inspection of each low-voltage circuit breaker product, and the detection time of each product in this type of test is relatively long, so this type of test requires a relatively high power consump...

AI Technical Summary

Problems solved by technology

In these tests, the definite time tripping test is a necessary part of the production and inspection of each low-voltage circuit breaker, and the detection time of each product in this type of test is relatively long, so this type of test consumes a relatively high amount of electric energy

Large-scale low-voltage circuit breaker definite time tripping test equipment requires bulky and heavy test transformers and power supplies. This problem will cause certain difficulties in the design of high-current busbars in the equipment, and the length of high-current busbars is too long. Will increase the power consumption level of the test

The large volume of large-scale low-voltage circuit breaker high-current test equipment designed according to the traditional scheme is not conducive to the application and promotion of the equipment, and the problem of equipment power consumption is also very prominent, which reduces the production efficiency of the enterprise

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