Relay

Abstract

The invention discloses a relay, which comprises an installation shell, a first isolation plate, a second isolation plate, a first switch, a second switch and a third switch, and is characterized in that an installation cavity is limited in the installation shell, and the installation cavity is divided into a first cavity and a second cavity by the first isolation plate; one end of each safety piece is connected with an external circuit; the two main static contacts are arranged on the first partition plate in a spaced mode, the main static contacts penetrate through the first partition plate, and the other end of the safety piece is connected with the main static contacts; the active contact is movably arranged in the second cavity; the driving shaft can move relative to the mounting shell and is connected with the active contact so as to drive the active contact to be in contact with or separated from the main static contact; and the two first arc-extinguishing magnets are arranged corresponding to the first cavity, and the two safety pieces are located between the two first arc-extinguishing magnets. According to the relay disclosed by the invention, the two first arc extinguishing magnets can play a role in magnetic arc blow-out when the safety piece is fused, so that the extinguishing speed of an electric arc can be accelerated, and potential safety hazards are reduced.

Description

technical field [0001] The invention relates to the technical field of electrical equipment, in particular to a relay. Background technique [0002] The relay is a high-voltage, high-power power supply breaking device. During the use of the relay, there may be a short circuit problem. During the use of the relay, the short circuit may cause problems such as excessive load current or circuit sintering. As a result, the product loses its function and causes malfunctions in use. [0003] Moreover, in the related art, the safety element or other overload protection devices are arranged in the relay, and when the safety element is blown, the extinguishing speed of the safety element is slow, posing a safety hazard. Contents of the invention [0004] The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention proposes a relay. The two first arc-extinguishing magnets can play the role of magnetic arc blo...

AI Technical Summary

Problems solved by technology

[0002] The relay is a high-voltage, high-power power supply breaking device. During the use of the relay, there may be a short circuit problem. During the use of the relay, the short circuit may cause problems such as excessive load current or circuit sintering. So that the product loses its function and causes the failure of use

[0003] And in the related technology, the fuse or other overload protection device is arranged in the relay, when the fuse is blown, the extinguishing speed of the fuse is slow, and there is a potential safety hazard

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