News
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The advantages of the switching power supply housing
Release time:
2023-06-01
The switching power supply shell comprises a bottom plate and a cover plate. The front and back of the bottom plate are connected with a front side plate and a rear side plate. The left and right sides of the cover plate are connected with a left side plate and a right side plate. The front side panel is provided with a power socket hole, an air outlet is arranged next to the power socket hole, a fan is arranged in the air outlet, and a fence is arranged on the air outlet; An air inlet is arranged on the rear side plate, and an outlet hole is arranged next to the air inlet; It is characterized by a transverse notch on the front side plate; Also includes a pair of guide rails and an air filter screen; The distance between the pair of guide rails is arranged on the inside of the cover plate, which is perpendicular to the notch and corresponding to both ends of the notch.
The switching power supply shell comprises a bottom plate and a cover plate. The front and back of the bottom plate are connected with a front side plate and a rear side plate. The left and right sides of the cover plate are connected with a left side plate and a right side plate. The front side panel is provided with a power socket hole, an air outlet is arranged next to the power socket hole, a fan is arranged in the air outlet, and a fence is arranged on the air outlet; An air inlet is arranged on the rear side plate, and an outlet hole is arranged next to the air inlet; It is characterized by a transverse notch on the front side plate; Also includes a pair of guide rails and an air filter screen; The distance between the pair of guide rails is arranged on the inside of the cover plate, which is perpendicular to the notch and corresponding to both ends of the notch.
The switching power supply housing has high performance; Work; Design soft start circuit, alternating inrush current to limit; Long service life; Wide input voltage range, in line with the scale of use; Good insulation function, anti-electricity; With short circuit, overload, overvoltage protection function; Small size, light weight, appearance and other advantages.
After the switching speed is improved, it will be affected by the distributed inductance and capacitor in the circuit or the stored charge in the second tube, resulting in surge or noise. In this way, it will not only affect nearby electronic devices, but also reduce the power supply itself. Among them, R-C or L-C buffer can be used to prevent the voltage surge that occurs with the switch start-closing, and a magnetic buffer made of amorphous core can be used for the electrical drift surge caused by the second tube stored charge. However, for high frequencies above 1MHz, resonant circuits should be used to make the voltage on the switch or the current through the switch a sine wave, which can reduce the switching loss, but also control the occurrence of surges. This type of switch is called a resonant switch.
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