Constant current output switching power supply with high safety

Abstract

A high-safety constant-current output switching power supply disclosed by the present invention comprises a shell, a ventilation hole and a fixing hole, the top of the shell is provided with a first small bulb, the top of the shell is provided with a second small bulb, the top of the shell is provided with the ventilation hole in a penetrating manner, the outer surface of one side of the shell is provided with an electrical connection hole in an embedded manner, and the outer surface of the other side of the shell is provided with the fixing hole. A fixing plate is installed at the bottom of the shell, four sets of fixing holes are formed in the fixing plate in a penetrating mode, a wire is installed on the outer surface of the other side of the shell in an embedded mode, and a connector is installed at the tail end of the wire. The shell is provided with the fuse, when electric energy transmitted into the fuse through the electric connecting hole is too large, the fuse in the fuse is fused through the electrothermal effect, the whole device is disconnected, then the device is prevented from being overloaded and burnt, and the service life of the device is prolonged.

Description

technical field [0001] The invention relates to the technical field of output switches, in particular to a constant-current output switching power supply with high safety. Background technique [0002] With the continuous development of modern society and the improvement of people's living standards, modern factories have gradually risen from the ground, and because of the continuous development of electrical machinery in modern society, many human jobs in modern factories have been gradually replaced by electrical machinery and equipment. Providing stable current for electrical machinery has become an important part of the operation of modern factories. Switching power supply, as an energy transmission device that outputs electric energy stably, its main function is to connect to an external power grid and convert the power in the power grid according to needs. The electrical machinery is powered for the electrical energy required by the electrical machinery to which it is ...

AI Technical Summary

Problems solved by technology

[0004] 1. Due to the lack of overload protection components in the existing switching power supply, when the power grid is damaged and the switching power supply is overloaded, the switching power supply is disconnected when it fails, causing the switching power supply to break down, which in turn affects the user experience of the device

[0005] 2. The existing switching power supply, because of the lack of voltage adjustment components, often results in that when the switching power supply is connected to an external electrical appliance, the output voltage of the switching power supply cannot be adjusted according to the needs of the electrical appliance, thereby affecting the range of use of the device

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