relay
A relay and electrical conduction technology, applied in relays, electromagnetic relays, electromagnetic relay detailed information, etc., can solve problems such as circuit sintering, product loss of function, failure, etc., to avoid fire and improve safety.
Active Publication Date: 2019-07-26
BYD CO LTD
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Problems solved by technology
[0002] During the use of electrical appliances, there may be short-circuit problems, and during the use of relays, short-circuit may cause problems such as excessive load current or circuit sintering, which will cause the product to lose its function and cause failure in use.
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Embodiment Construction
[0036] 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.
[0037] In the relay of the related art, since there is no overload protection device, when the relay is turned on, once the load current is too large or the circuit is short-circuited, it is easy to cause sintering, which will cause the product to lose its function and cause danger. In addition, there is no arc extinguishing device in the above technology, so the arcing time is long and the service life of the product is short. In order to solve one of the technical problems in the related art at least to a certain extent, the pr...
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The invention discloses a relay, which comprises: a static contact group is arranged on a casing, the static contact group includes two mutually insulated static contacts, and at least one static contact of at least one static contact group includes an upper terminal and the lower contact, the upper terminal and the lower contact are separated from each other and electrically connected through the fuse; the bottom plate, the bottom plate is movably set in the casing between the conduction position and the disconnection position, and the base plate is in the conduction position. The contact of the static contact group makes the electrical conduction between the two static contacts of the static contact group. ; The driving device, the driving device is connected with the bottom plate to drive the bottom plate to move between the conduction position and the disconnection position. According to the relay of the embodiment of the present invention, the fuse implements the functions of overload protection and short circuit protection, so as to improve the safety of the circuit system with the relay and avoid fires caused by overcurrent or short circuit.
Description
technical field [0001] The invention relates to the technical field of electrical equipment, in particular to a relay. Background technique [0002] During the use of electrical appliances, there may be short-circuit problems, and during the use of relays, short-circuit may cause problems such as excessive load current or circuit sintering, which will cause the product to lose its function and cause malfunctions in use. 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 extent. Therefore, an object of the present invention is to provide a relay that reduces or avoids potential safety hazards that may be caused by excessive load current or short circuit. [0004] The relay according to the embodiment of the present invention includes: a casing, on which a static contact group is provided, and the static contact group includes two mutually insulated static contacts, at least one of th...
Claims
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IPC IPC(8): H01H50/02H01H9/10
CPCH01H9/10H01H50/021H01H9/443H01H50/023H01H50/14H01H50/546H01H85/0241H01H2050/025H01H50/02H01H50/54
Inventor 黄彩丽姚保同汪鲁建刘斯源
Owner BYD CO LTD