Power distribution module
A technology for power distribution modules and relay contacts, applied in circuits, electrical switches, electrical components, etc., can solve the problems of single relay and fuse functions, high risk of breaking and arcing, and high power distribution costs, and saves the need for connecting wires. and fasteners, avoiding the high risk of reverse arc breaking under load, and the effect of cost optimization
Active Publication Date: 2022-05-13
BYD CO LTD
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Problems solved by technology
[0003] The functions of the current relays and fuses are relatively single. When two products are used to form a power distribution module, too many connecting wires and fasteners are required. higher cost
[0004] In addition, in the prior art, the arc extinguishing system in the fuse or relay has positive and negative polarities when used, and the risk of breaking the arc with load in the reverse direction is high, and there is a danger of explosion
Method used
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[0057] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0058] Aiming at the technical problems raised in the background technology, the embodiment of the present invention provides a power distribution module, which highly integrates high-voltage relays and high-voltage fuses, and can simultaneously realize two types of high-voltage relays and high-voltage fuses. Features. At the same time, in the embodiment of the present invention, side magnets are arranged on both sides of the housing of the power distribution ...
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The embodiment of the invention discloses a power distribution module, and relates to the technical field of electric appliances, the power distribution module comprises a shell, a first partition plate, a second partition plate and other structures, an accommodating cavity is formed in the shell, the first partition plate divides the accommodating cavity into a fuse sealing cavity and a relay contact cavity, and the second partition plate divides the fuse sealing cavity into a relay contact cavity; according to the embodiment of the invention, the high-voltage relay and the high-voltage fuse are highly integrated into one product, so that a safe power distribution module is formed; on the basis of a power distribution module integrated with a relay and a fuse, at least two sides of a shell are provided with side magnets, the two side magnets are matched in pairs, and the polarities of the magnetic poles of the opposite surfaces of the side magnets are opposite, so that the side magnets are matched in pairs when a first safety element or a second safety element is disconnected, and an electric arc effect is generated on the safety element at the same time; therefore, the electric arc is blown towards the direction parallel to the side magnets, nonpolarity of the fuse is realized, and the problem of high risk of reverse on-load breaking arc connection during arc extinguishing in the prior art is avoided.
Description
technical field [0001] The invention relates to the technical field of electric appliances, in particular to a power distribution module. Background technique [0002] Relay (English name: relay) is an electrical control device, which is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit when the change of the input quantity (excitation quantity) meets the specified requirements. It has an interactive relationship between the control system (also known as the input loop) and the controlled system (also known as the output loop). Usually used in automatic control circuits, it is actually an "automatic switch" that uses a small current to control the operation of a large current. Therefore, it plays the role of automatic adjustment, safety protection, and conversion circuit in the circuit. Fuse (English name: fuse) refers to an electrical appliance that fuses the fuse with the heat generated by ...
Claims
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IPC IPC(8): H01H9/02H01H9/22H01H85/48
CPCH01H9/22H01H9/02H01H85/48H01H2085/386
Inventor 姚保同汪鲁建刘斯源
Owner BYD CO LTD