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Relay

A relay and backplane technology, applied in relays, electromagnetic relays, detailed information of electromagnetic relays, etc., can solve problems such as failure to detect whether the contacts are conducting, long arcing time, danger, etc., to facilitate rapid detection and discovery of problems. , The effect of improving the performance and improving the safety of use

Inactive Publication Date: 2017-09-26
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the relay of the related art, when the push rod pulls in, there is no device to detect whether the contact is conductive. Once the contact is not conductive or the contact is bonded, it is difficult to quickly detect and feedback the problem point when the relay is in use.
There is no overload protection device between the contact and the terminal. Once the load current is too large or the circuit is short-circuited, it will easily cause sintering, which will cause the relay to lose its function and cause danger.
In addition, there is no arc extinguishing device in the relay of the related art, and the arcing time is long, which shortens the service life of the relay

Method used

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Embodiment Construction

[0038] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0039] Such as Figure 1 to Figure 7 As shown, the present invention provides a safety relay 100 with auxiliary contacts. The relay 100 not only has the function of overcurrent protection of the circuit, but also can realize the function of a circuit breaker, and has the ability to quickly detect the contact on the circuit where the relay 100 is located. Functionality for failure conditions of no continuity or bonding.

[0040] Combine below Figure 1 to Figure 7 The relay 100 according to the embodiment of the present inventio...

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Abstract

The invention discloses a relay, which comprises: a shell provided with two mutually insulated terminals; a base plate provided with two contacts corresponding to the terminals and mutually insulated; The conduction position where the two terminals are respectively butted and the disconnection position where the two contacts are separated from the two terminals are movably arranged in the shell; the fuse is arranged on the bottom plate and connects the two contacts; the push mechanism , connected to the bottom plate to drive the bottom plate to move between the on position and the off position. The detection component includes an auxiliary dynamic contact bridge and an auxiliary static contact bridge. The auxiliary dynamic contact bridge is connected to the pushing mechanism, and the auxiliary static contact bridge is arranged on the shell. When the bottom plate is at the disconnected position, the auxiliary dynamic contact bridge is disconnected from the auxiliary static contact bridge. According to the relay of the present invention, the fuse is provided so that the relay not only has the function of overcurrent protection but also can realize the function of a circuit breaker. Setting detection components can improve the safety of the relay.

Description

technical field [0001] The invention relates to the technical field of electrical appliances, in particular to a relay. Background technique [0002] In the relay of the related art, when the push rod pulls in, there is no device for detecting whether the contact is conducting. Once the contact is not conducting or the contact is bonded, it is difficult to quickly detect and give feedback on the problem point when the relay is in use. There is no overload protection device between the contact and the terminal. Once the load current is too large or the circuit is short-circuited, it will easily cause sintering, which will cause the relay to lose its function and cause danger. In addition, there is no arc extinguishing device in the relay of the related art, and the arcing time is long, which shortens the service life of the relay. Contents of the invention [0003] The present invention aims to solve one of the technical problems in the related art at least to a certain ex...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H50/00H01H50/02H01H50/08H01H9/34H01H9/44
CPCH01H50/00H01H9/34H01H9/44H01H50/021H01H50/08
Inventor 黄彩丽姚保同汪鲁建刘斯源
Owner BYD CO LTD
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